CN212360598U - Combined vibration damper, compressor and air conditioner - Google Patents
Combined vibration damper, compressor and air conditioner Download PDFInfo
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- CN212360598U CN212360598U CN202021487201.6U CN202021487201U CN212360598U CN 212360598 U CN212360598 U CN 212360598U CN 202021487201 U CN202021487201 U CN 202021487201U CN 212360598 U CN212360598 U CN 212360598U
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- 238000013016 damping Methods 0.000 claims abstract description 163
- 230000009467 reduction Effects 0.000 claims abstract description 46
- 238000009434 installation Methods 0.000 claims abstract description 17
- 230000000670 limiting effect Effects 0.000 claims description 34
- 230000000694 effects Effects 0.000 abstract description 11
- 230000005484 gravity Effects 0.000 abstract description 7
- 239000000463 material Substances 0.000 description 8
- 229920001971 elastomer Polymers 0.000 description 4
- 206010020649 Hyperkeratosis Diseases 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model provides a modular vibration damper, compressor and air conditioner relates to damping technical field, and it includes first damping piece and the second damping piece that concave down or the concave cooperation of epirelief set up that this modular vibration damper, and first damping piece and second damping piece carry out to be formed with the installation clearance that is used for the fixed damping object footing between the convex-concave complex terminal surface: the first vibration reduction block and the second vibration reduction block are provided with through holes which are communicated up and down, a fixing bolt is inserted in the through holes, and nuts are screwed on the upper end parts of the fixing bolt which protrude out of the through holes; the lower end face of the nut is matched with the upper end face of the first vibration reduction block, and when the nut is screwed, the lower end face of the nut is in interference fit with the upper end face of the first vibration reduction block. The height direction of the whole vibration damper is increased, but the gravity center height of the compressor is not increased, and meanwhile, the interference assembly of the nut and the first vibration damping block increases the vibration damping effect of the combined vibration damper and improves the pipeline stress.
Description
Technical Field
The utility model relates to a damping technical field especially relates to a modular vibration damper, compressor and air conditioner.
Background
With the improvement of the living standard of people, air conditioners have become daily household appliances of people, and various air conditioners appear in the life of people. In order to prevent vibration of the compressor from being transmitted to the base plate, a compressor foot pad is generally added between the base plate and the compressor. The existing foot pad has two defects, firstly, a gap exists between the foot pad and a bolt, the impact load is large at the moment of stopping the compressor, the base angle is easy to drive the foot pad to integrally slide, and the foot pad is not fully deformed, so that the energy of the compressor is not fully consumed, and the stress of a pipeline connected with the compressor is large; secondly, the height of the foot pad is too low, the foot pad is limited in deformation, the energy of the compressor cannot be fully consumed, if the height of the foot pad is increased, the gravity center of the compressor is increased, and the compressor shakes greatly in the transportation process.
Therefore, a new technical scheme is provided, and the problem that the gravity center of the compressor is increased after the height of the foot pad is increased is solved.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a modular vibration damper through to modular vibration damper's mechanism design, has solved the high back of increase callus on the sole, and the compressor focus can increase the problem, under the condition that does not increase compressor focus height, improves whole vibration damper's height, reinforcing callus on the sole damping effect.
The utility model discloses a realize foretell target, the technical scheme of adoption is: a modular vibration damping device, comprising: the damping device comprises a first damping block and a second damping block which are arranged in an up-concave-down convex or up-convex-down concave matching mode, wherein a mounting gap used for fixing a foundation of an object to be damped is formed between the end faces of the first damping block and the second damping block in a convex-concave matching mode: the first vibration reduction block and the second vibration reduction block are provided with through holes which are communicated up and down, a fixing bolt is inserted in the through holes, and nuts are screwed on the upper end parts of the fixing bolt, which protrude out of the through holes; the lower end face of the nut is matched with the upper end face of the first vibration reduction block, and when the nut is screwed, the lower end face of the nut is in interference fit with the upper end face of the first vibration reduction block.
Further optionally, a first mounting plane and a first mounting concave surface formed by sinking upwards from the first mounting plane are formed on the lower end surface of the first vibration damping block; a second mounting plane and a second mounting convex surface which is formed by upwards protruding from the second mounting plane are formed on the upper end surface of the second vibration damping block; the second mounting convex surface is embedded into the first mounting concave surface of the first vibration damping block; the second mounting plane and the first mounting plane are matched to form a mounting gap for fixing the footing of the object to be damped.
Further optionally, the second vibration damping block comprises a boss and a vibration damping main body connected with the boss from top to bottom, the upper end surface of the boss forms the second mounting convex surface, and the upper end surface of the vibration damping main body forms the second mounting plane; a groove is formed in the lower end face of the corresponding first vibration damping block, and the groove forms the first mounting concave face; the boss is embedded into the groove, and the second mounting convex surface is matched with the first mounting concave surface.
Further optionally, the boss includes boss roof and boss lateral wall, the boss roof forms the convex surface of second installation, the boss lateral wall forms the convex surface's of second installation side, the recess includes recess diapire and recess lateral wall, the recess diapire forms the concave surface of first installation, the recess lateral wall forms the concave surface's of first installation side, boss top surface and recess bottom surface cooperate together, the boss side with the recess lateral surface cooperates together and forms inclined plane cooperation guide structure.
Further optionally, the height of the boss ranges from 4mm to 6mm, and the bevel lead angle θ formed by the boss ranges from 25 ° to 45 °.
Further optionally, a limiting structure is formed between the boss side wall and the groove side wall, and the limiting structure is used for limiting the first damping block to move in the longitudinal direction relative to the second damping block.
Further optionally, the limiting structure comprises a first limiting protrusion formed on the side wall of the groove and a second limiting protrusion formed on the side wall of the boss, and when the first vibration damping block and the second vibration damping block are assembled together, the first limiting protrusion is clamped below or laterally below the second limiting protrusion and is in interference fit with the second limiting protrusion.
Further optionally, the first limiting protrusion and the second limiting protrusion are matched by an arc surface.
Further optionally, the footing of the object to be damped is provided with a mounting hole for the bolt to pass through, a unilateral clearance between a boss of the second damping block and the mounting hole is 1mm to 2mm, and a unilateral fit clearance between the boss of the second damping block and a groove of the first damping block is 1.5mm to 3 mm.
Further optionally, the interference magnitude between the nut and the first vibration damping block is 7% -13% of the total height of the first vibration damping block and the second vibration damping block.
Further optionally, the upper portion of the bolt is provided with a limiting boss for limiting the nut.
Further optionally, the top surface of the first vibration damping block and/or the bottom surface of the second vibration damping block are provided with a sculpture along the radial direction of the through hole.
Further optionally, the first damping block and the second damping block are made of a rubber material or a polyurethane damping material.
Further optionally, the height of the first vibration damping block is 10 mm-30 mm, and the diameter of the first vibration damping block is 15 mm-40 mm; the height of the second vibration reduction block is 17 mm-45 mm, and the diameter of the second vibration reduction block is 20 mm-45 mm.
The utility model discloses still provide one kind contain above-mentioned arbitrary one modular vibration damper's compressor.
The utility model discloses still provide one contain above-mentioned arbitrary one modular vibration damper or the air conditioner of compressor.
The utility model provides a pair of modular vibration damper, it comprises first damping piece and second damping piece, and wherein first damping piece assembles on the compressor footing, and the assembly of second damping piece is in the below of compressor footing, and consequently whole damping structure direction of height increases to some extent, but the compressor focus height does not increase, has increased the damping effect of callus on the sole, has improved pipeline stress. On the other hand, the first vibration damping block obtains a downward pre-pressure through the interference fit of the nut and the first vibration damping block, and the top of the first vibration damping block and/or the bottom of the second vibration damping block are/is provided with the carved patterns, so that the friction force between the second vibration damping block and the chassis is increased, the vibration damping block 2 is prevented from sliding at the moment of starting and stopping, and the stress of the pipeline during starting and stopping is reduced.
Drawings
The above and other objects, features and advantages of the present disclosure will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings. The drawings described below are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without inventive efforts.
Fig. 1 is a schematic structural view of a combined vibration damping assembly in an embodiment of the present invention;
FIG. 2 is an enlarged view of the position A in the embodiment of the present invention;
fig. 3 is a schematic structural diagram of a first vibration damping block in an embodiment of the present invention;
fig. 4 is a schematic structural view of a second damping block in an embodiment of the present invention;
fig. 5 is a schematic view of a bolt structure in an embodiment of the present invention.
In the figure:
1-a first damping mass; 11-a groove; 12-a second limit projection; 2-a second damping mass; 21-a vibration damping body; 22-a boss; 221-a first limit projection; 3-a through hole; theta-lead angle; 5-a nut; 6-bolt; 61-a limit boss; 7-a chassis; 8-footing
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The terminology used in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the embodiments of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise, and "a" and "an" generally include at least two, but do not exclude the inclusion of at least one.
It should be understood that the term "and/or" as used herein is merely one type of association that describes an associated object, meaning that three relationships may exist, e.g., a and/or B may mean: a exists alone, A and B exist simultaneously, and B exists alone. In addition, the character "/" herein generally indicates that the former and latter related objects are in an "or" relationship.
It is also noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or system in which the element is included.
Example 1
As shown in fig. 1 to 5, the present embodiment provides an air conditioner, wherein a compressor of the air conditioner comprises a combined vibration damping device for fixing the compressor to a chassis 77, as shown in fig. 1, the combined vibration damping device comprises a first vibration damping block 1 and a second vibration damping block 2 which are arranged in a concave-convex or convex-concave matching manner, and an installation gap for fixing a base foot 8 to be damped, i.e. a compressor base foot 8, is formed between end surfaces of the first vibration damping block 1 and the second vibration damping block 2 which are in a concave-convex matching manner: the first vibration reduction block 1 and the second vibration reduction block 2 are provided with through holes 3 which are communicated up and down, a fixing bolt 6 is inserted in the through holes 3, and nuts 5 are screwed on the upper end parts of the fixing bolt which protrude out of the through holes 3; the lower end face of the nut 5 is matched with the upper end face of the first vibration damping block 1, and when the nut 5 is screwed, the lower end face of the nut 5 is in interference fit with the upper end face of the first vibration damping block 1.
The combined vibration damper used on the air conditioner provided by the embodiment increases the height direction of the whole vibration damping structure to some extent, and simultaneously, the gravity center height of the compressor is not increased, so that the vibration damping effect of the foot pad is increased, and the pipeline stress is improved. Meanwhile, the second vibration damping block 2 needs to bear the gravity of the compressor besides the pre-tightening force of hands, and in order to keep the rigidity of the combined device vibration damping device consistent in the vertical direction, the outer diameter of the first vibration damping block 1 is smaller than the outer diameter of the vibration damping main body 21 of the second vibration damping block 2 and larger than the outer diameter of the installation part. Through the interference fit of the nut 5 and the first vibration reduction block 1, the first vibration reduction block 1 obtains a downward pre-pressure, the friction force between the first vibration reduction block 1 and the second vibration reduction block 2 is increased, the first vibration reduction block 2 and the second vibration reduction block 2 are prevented from sliding at the moment of startup and shutdown, and the stress of the pipeline startup and shutdown is reduced.
There are various ways to realize the assembly between the first vibration damping block 1 and the second vibration damping block 2, and in this embodiment, preferably, the lower end surface of the first vibration damping block 1 is formed with a first installation plane and a first installation concave surface formed by sinking upwards from the first installation plane; a second mounting plane and a second mounting convex surface formed by upward protruding from the second mounting plane are formed on the upper end surface of the second vibration damping block 2; the second mounting convex surface is embedded into the first mounting concave surface of the first vibration damping block 1; the second mounting plane cooperates with the first mounting plane to form a mounting gap for fixing the footing 8 of the object to be damped. As shown in fig. 3-4, in order to optimize the product structure, it is further preferable that the second damping block 2 includes, from top to bottom, a boss 22 and a damping main body 21 connected to the boss 22, an upper end surface of the boss 22 forms a second mounting convex surface, and an upper end surface of the damping main body 21 forms a second mounting plane; a groove 11 is formed in the lower end face of the corresponding first vibration damping block 1, and the groove 11 forms a first mounting concave face; the boss 22 is fitted into the groove 11, and the second convex mounting surface is fitted with the first concave mounting surface. In order to improve the assembly efficiency between the first vibration damping block 1 and the second vibration damping block 2, preferably, the boss 22 includes a boss 22 top wall and a boss 22 side wall, the boss 22 top wall forms a top surface of the second mounting convex surface, the boss 22 side wall forms a side surface of the second mounting convex surface, the groove 11 includes a groove 11 bottom wall and a groove 11 side wall, the groove 11 bottom wall forms a bottom surface of the first mounting concave surface, the groove 11 side wall forms a side surface of the first mounting concave surface, the boss 22 top surface and the groove 11 bottom surface are matched together, and the boss 22 side surface and the groove 11 side surface are matched together and form an inclined plane matching guide structure. More preferably, the height of the boss 22 ranges from 4mm to 6mm, and the bevel lead angle θ formed by the boss 22 is 25 ° to 45 °. The lead angle theta is an included angle formed by the top surface of the second mounting convex surface and the side surface of the second mounting convex surface, meanwhile, the groove 11 of the first vibration reduction block 1 is also provided with the lead angle theta, and the lead angle theta, the depth of the groove 11 and the depth of the boss 22 and the lead angle on the second vibration reduction block 2 are matched to work.
In practical application, in consideration of influence of machining tolerance of parts, when the first vibration damping block 1 is assembled to the second vibration damping block 2, the first vibration damping block moves upwards relative to the second vibration damping block 2, so that subsequent assembly operation is influenced, and in order to improve assembly efficiency, the limiting structure is preferably formed between the side wall of the boss 22 and the side wall of the groove 11 and used for limiting the first vibration damping block 1 to move longitudinally relative to the second vibration damping block 2. It is further preferable that the stopper structure includes a first stopper protrusion 221 formed on a side wall of the groove 11, and a second stopper protrusion 12 formed on a side wall of the boss 22, and when the first and second vibration damping blocks 1 and 2 are assembled together, the first stopper protrusion 221 is caught under or laterally under the second stopper protrusion 12 and is interference-fitted therewith. In order to facilitate the interference fit between the first limiting protrusion 221 and the second limiting protrusion 12, preferably, the first limiting protrusion 221 and the second limiting protrusion 12 are in arc-surface fit. In order to realize better limiting effect, the second limiting bulge 12 is larger than the first limiting bulge 221, so that better clamping effect is realized.
In order to improve the mounting efficiency between the second vibration damping block 2 and the compressor base 8 and between the first vibration damping block 1 and the second vibration damping block 2, in the present embodiment, it is preferable that the compressor base 8 is provided with a mounting hole for the bolt 6 to pass through, a single-side clearance 1 between the boss 22 of the second vibration damping block 2 and the mounting hole is 1mm to 2mm, and a single-side fit clearance 2 between the boss 22 of the second vibration damping block 2 and the groove 11 of the first vibration damping block 1 is 1.5mm to 3 mm.
During installation, the nut 5 gives the second vibration damping block 2 downward pretightening force, and the external diameter of the first vibration damping block 1 is equal to the external diameter of the nut 5, so that the interference fit strength between the first vibration damping block 1 and the nut 5 is improved, and the first vibration damping block 1 is prevented from being depressed due to local stress. Preferably, the interference between the nut 5 and the first vibration damping block 1 is 7% to 13% of the total height of the first vibration damping block 1 and the second vibration damping block 2. As shown in fig. 5, preferably, the upper portion of the bolt 6 is provided with a limit boss 61, which has a limit effect on the nut 5, so that the compression amount of the foot pad reaches a preset value.
In order to increase the damping effect of the damping device and reduce the displacement thereof, it is preferable that the top surface of the first damping block 1 and/or the bottom surface of the second damping block 2 is provided with a cut along the radial direction of the through hole 3. Considering that the footpad mainly bears torsional load, the cuts are distributed along the radial direction of the through hole 3, and the cuts are perpendicular to the torsional direction, so that the friction force can be increased. Further preferably, the top and bottom surfaces of the first and second damping blocks 1 and 2 are provided with a cut along the radial direction of the through hole 3. The friction between the second vibration damping block 2 and the chassis 7 is increased, and the combination between the first vibration damping block 1 and the nut 5 is increased, so that the vibration damping effect of the vibration damping device is improved.
In order to improve the vibration damping effect of the combined vibration damping device, the shore hardness of the first vibration damping block 1 and the shore hardness of the second vibration damping block 2 are preferably 30HA to 50 HA. In order to achieve a good vibration reduction effect and save production cost, it is preferable that the first vibration reduction block 1 and the second vibration reduction block 2 are made of a rubber material or a polyurethane vibration reduction material. When the amount of the compressor is 7-13%, the torsional rigidity of the first damping block 2 and the second damping block is changed by less than 10%, so that the combined damping device can be fully torsionally deformed and damp vibration when in use and in operation; and meanwhile, when the air conditioner is transported, the rigidity of the vibration damper in the vertical direction is large, and the vertical vibration in the transportation process is avoided. Further preferably, the first damper block 1 and the second damper block 2 are made of the same material. Preferably, the combined vibration damper used for the household air conditioner is made of a rubber material, and the combined vibration damper used for the automobile air conditioner is made of a polyurethane vibration damping material. Further preferably, the combined vibration damper is made of rubber materials better, and the service life of the product is prolonged.
Preferably, the height of the first vibration damping block 1 is 10mm to 30mm, and the diameter thereof is 15mm to 40 mm; the height of the second vibration damping block 2 is 17mm to 45mm, and the diameter thereof is 20mm to 45 mm.
When the combined type vibration damper is used, the air conditioner provided by the embodiment adopts a method of assembling from bottom to top, the bolt is fixedly connected with the chassis, preferably in a welding mode, then the second vibration damping block is assembled, the bolt is inserted into the through hole of the second vibration damping block, similarly, the base foot of the compressor is assembled on the second vibration damping block, and then the first vibration damping block is assembled; and finally, installing a nut, wherein the nut and the first vibration damping block 1 form interference fit. Compared with the vibration damper in the prior art, the height of the vibration damper is increased under the condition that the height of the gravity center of the compressor is kept unchanged, and the deformation capacity of the vibration damper is increased; when the nut is screwed, the first vibration reduction block is provided with downward pre-pressure, the friction force between the combined vibration reduction device and the chassis is increased, and the purpose of improving the pipeline stress is achieved through the change.
To sum up, the utility model provides a modular vibration damper, this modular vibration damper, it includes first damping piece and the second damping piece that concave down or the concave cooperation of epirelief set up, and first damping piece and second damping piece carry out to be formed with the installation clearance that is used for the fixed object footing of waiting to damp between the convex-concave complex terminal surface: the first vibration reduction block and the second vibration reduction block are provided with through holes which are communicated up and down, a fixing bolt is inserted in the through holes, and nuts are screwed on the upper end parts of the fixing bolt which protrude out of the through holes; the lower end face of the nut is matched with the upper end face of the first vibration reduction block, and when the nut is screwed, the lower end face of the nut is in interference fit with the upper end face of the first vibration reduction block. The height direction of the whole vibration damper is increased, but the gravity center height of the compressor is not increased, and meanwhile, the interference assembly of the nut and the first vibration damping block increases the vibration damping effect of the combined vibration damper and improves the pipeline stress.
Exemplary embodiments of the present disclosure are specifically illustrated and described above. It is to be understood that the present disclosure is not limited to the precise arrangements, instrumentalities, or instrumentalities described herein; on the contrary, the disclosure is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims.
Claims (14)
1. A combined vibration damping device is characterized in that: comprises that
Go up concave down convex or concave down convex cooperation first damping piece (1) and second damping piece (2) that set up, just first damping piece (1) with second damping piece (2) carry out between the convex-concave complex terminal surface and be formed with the installation clearance that is used for fixed object footing (8) of waiting to damp:
a through hole (3) which is through up and down is formed in the first vibration reduction block (1) and the second vibration reduction block (2), a fixing bolt (6) is inserted into the through hole (3), and a nut (5) is screwed at the upper end part of the fixing bolt, which protrudes out of the through hole (3);
the lower end face of the nut (5) is matched with the upper end face of the first vibration reduction block (1), and when the nut (5) is screwed, the lower end face of the nut (5) is in interference fit with the upper end face of the first vibration reduction block (1).
2. A combined vibration damping device according to claim 1, wherein:
a first mounting plane and a first mounting concave surface formed by upwards sinking from the first mounting plane are formed on the lower end surface of the first vibration damping block (1);
a second mounting plane and a second mounting convex surface formed by upward protruding from the second mounting plane are formed on the upper end surface of the second vibration damping block (2);
the second mounting convex surface is embedded into the first mounting concave surface of the first vibration damping block (1);
the second mounting plane and the first mounting plane are matched to form a mounting gap for fixing the base (8) of the object to be damped.
3. A combined vibration damping device according to claim 2, wherein:
the second vibration reduction block (2) comprises a boss (22) and a vibration reduction main body (21) connected with the boss (22) from top to bottom, the upper end face of the boss (22) forms the second mounting convex face, and the upper end face of the vibration reduction main body (21) forms the second mounting plane; a groove (11) is formed in the lower end face of the corresponding first vibration damping block (1), and the groove (11) forms the first mounting concave face; the boss (22) is embedded into the groove (11), and the second mounting convex surface is matched with the first mounting concave surface.
4. A combined vibration damping device according to claim 3, wherein: boss (22) include boss (22) roof and boss (22) lateral wall, boss (22) roof forms the convex top surface of second installation, boss (22) lateral wall forms the convex side of second installation, recess (11) include recess (11) diapire and recess (11) lateral wall, recess (11) diapire forms the concave bottom surface of first installation, recess (11) lateral wall forms the concave side of first installation, boss (22) top surface and recess (11) bottom surface are in the same place, boss (22) side with recess (11) side is in the same place and forms inclined plane cooperation guide structure.
5. A combined vibration damping device according to claim 4 in which: the height range of the boss (22) is 4-6 mm, and the bevel lead angle theta formed by the boss (22) is 25-45 degrees.
6. A combined vibration damping device according to claim 4 or 5 in which: a limiting structure is formed between the side wall of the boss (22) and the side wall of the groove (11), and the limiting structure is used for limiting the first damping block (1) to move longitudinally relative to the second damping block (2).
7. A combined vibration damping device according to claim 6 in which: the limiting structure comprises a first limiting protrusion (221) formed on the side wall of the groove (11) and a second limiting protrusion (12) formed on the side wall of the boss (22), and when the first vibration damping block (1) and the second vibration damping block (2) are assembled together, the first limiting protrusion (221) is clamped below or below the second limiting protrusion (12) and is in interference fit with the second limiting protrusion.
8. A combined vibration damping device according to claim 7 in which: the first limiting bulge (221) and the second limiting bulge (12) are matched by cambered surfaces.
9. A combined vibration damping device according to claim 3, wherein: the base foot (8) of the object to be damped is provided with a mounting hole for the bolt (6) to pass through, the unilateral clearance between the boss (22) of the second damping block (2) and the mounting hole is 1-2 mm, and the unilateral fit clearance between the boss (22) of the second damping block (2) and the groove (11) of the first damping block (1) is 1.5-3 mm.
10. A combined vibration damping device according to claim 1, wherein: the interference magnitude between the nut (5) and the first vibration reduction block (1) is 7% -13% of the total height of the first vibration reduction block (1) and the second vibration reduction block (2).
11. A combined vibration damping device according to claim 1, wherein: the top surface of the first vibration reduction block (1) and/or the bottom surface of the second vibration reduction block (2) are/is provided with carved patterns along the radial direction of the through hole (3).
12. A combined vibration damping device according to any one of claims 1 to 11 in which: the height of the first vibration reduction block (1) is 10-30 mm, and the diameter of the first vibration reduction block is 15-40 mm; the height of the second vibration reduction block (2) is 17-45 mm, and the diameter of the second vibration reduction block is 20-45 mm.
13. A compressor incorporating a combined vibration damping device according to any one of claims 1 to 12.
14. An air conditioner comprising a combined vibration damping device according to any one of claims 1 to 12 or a compressor according to claim 13.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021487201.6U CN212360598U (en) | 2020-07-24 | 2020-07-24 | Combined vibration damper, compressor and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021487201.6U CN212360598U (en) | 2020-07-24 | 2020-07-24 | Combined vibration damper, compressor and air conditioner |
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| CN212360598U true CN212360598U (en) | 2021-01-15 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853124A (en) * | 2020-07-24 | 2020-10-30 | 珠海格力电器股份有限公司 | Combined vibration damper, compressor and air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853124A (en) * | 2020-07-24 | 2020-10-30 | 珠海格力电器股份有限公司 | Combined vibration damper, compressor and air conditioner |
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