CN217207291U - Vibration noise can eliminate refrigeration compressor bent axle - Google Patents

Abstract

The utility model discloses a vibration noise can eliminate compressor crankshaft, include the crank pin and install the main shaft neck on crank pin one side surface, crank pin opposite side surface mounting has the crank, the response chamber has been seted up to the inside of main shaft neck, the inner wall in response chamber is installed and is vibrated induction mechanism, the internally mounted of the main shaft neck in the response chamber outside has actuating mechanism, is close to the mounting groove has been seted up to the crank pin side surface of main shaft neck one side, lubricated mechanism is installed to the inner wall of mounting groove. The utility model discloses a be provided with a series of structures, when the bent axle when the noise is produced because the vibration in operation process, the vibration response mechanism of response intracavity portion senses the emergence of vibration, drives through the drive shaft and promotes a extrusion storage bag, extrudes the lubricating oil in the storage bag, and lubricating oil carries to the bent axle outside along lubricated passageway, lubricates crank pin and its cooperation part to eliminate the vibration that the friction produced, play the effect of making an uproar.

Description

Vibration noise can eliminate refrigeration compressor bent axle

Technical Field

The utility model relates to a refrigerant compressor technical field specifically is a vibration noise can eliminate refrigerant compressor bent axle.

Background

In a vapor compression refrigeration system, a refrigerant compressor increases the pressure of a refrigerant from a low pressure to a high pressure and circulates the refrigerant continuously, thereby allowing the system to continuously discharge internal heat to an environment higher than the temperature of the system. A refrigeration compressor is the heart of a refrigeration system that inputs electrical energy through the compressor, thereby rejecting heat from a low temperature environment to a high temperature environment. The energy efficiency ratio of the refrigerant compressor determines the energy efficiency ratio of the overall refrigerant system.

The crankshaft of the refrigeration compressor is usually required to be installed inside the crankcase, but along with the continuous movement and friction of the crankshaft, the temperature and noise inside the crankcase can be increased, so that the compressor generates a great deal of noise and generates a phenomenon of temperature increase during operation, and the friction state between parts is changed due to the temperature increase, so that the service life of the compressor is shortened.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a vibration noise can eliminate refrigeration compressor bent axle to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a vibration noise can eliminate refrigeration compressor bent axle, includes the crank pin and installs the main journal on crank pin side surface, crank pin opposite side surface mounting has the crank, the response chamber has been seted up to the inside of main journal, the vibration response mechanism is installed to the inner wall in response chamber, the internally mounted of the main journal in the response chamber outside has actuating mechanism, is close to the mounting groove has been seted up to the crank pin side surface on one side of the main journal, lubricated mechanism is installed to the inner wall of mounting groove.

Preferably, the vibration sensing mechanism comprises a vibration tuning fork and a knocking component, a flexible connecting shaft is installed on the inner wall of the sensing cavity, the vibration tuning fork is installed at the tail end of the flexible connecting shaft, and the knocking component is installed on the inner wall of the sensing cavity outside the vibration tuning fork.

Preferably, strike the subassembly including strike piece and vibrating mass, two vibrating masses are installed to the inner wall in the response chamber in the vibrating tuning fork outside, and the both sides surface of vibrating tuning fork all installs and strikes the piece, strikes one side surface of piece and one side surface movable contact of vibrating mass.

Preferably, the driving mechanism comprises a damping layer and a driving assembly, the damping layer is arranged inside the main journal on the surface of the outer side of the induction cavity, a movable groove is formed in the main journal on the outer side of the damping layer, and the driving assembly is arranged on the inner wall of the movable groove.

Preferably, the drive assembly includes response gasbag and drive shaft, and the response gasbag is installed to the inner wall in activity groove, and the drive shaft is installed to the activity inslot wall of response gasbag one side, and the end of drive shaft is installed and is promoted the piece.

Preferably, lubricated mechanism is including saving bag and lubricated passageway, the storage bag is installed to the inner wall of mounting groove, and the inside packing of saving bag has lubricating oil, and the crank pin on storage bag both sides surface is inside all to have seted up lubricated passageway, and two lubricated passageway's end all extends to the outside surface of crank pin.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the vibration noise can be eliminated, when the crankshaft produces the noise because of the vibration in the operation process, the vibration induction mechanism in the induction cavity senses the vibration and lubricates the outer side of the crankshaft by driving the lubrication mechanism through the driving mechanism, so that the vibration generated by friction is eliminated, and the noise reduction effect is achieved.

2. The vibration noise can be eliminated and the refrigerating compressor crankshaft is arranged on the main shaft neck, the vibration is conducted to the inside of the sensing cavity when the crankshaft generates vibration due to friction in the operation process, the vibration tuning fork is driven to vibrate synchronously, the vibration tuning fork drives the knocking block to be in contact with the vibrating block, the vibration effect is amplified, the damping layer converts mechanical vibration generated inside the main shaft neck into heat energy to be dispersed, the sensing air bag expands when being heated, and the sensing air bag expands in the movable groove to extrude the driving shaft.

3. The vibration noise can be eliminated the refrigeration compressor bent axle, and the drive shaft drives and promotes piece extrusion storage bag, extrudes the lubricating oil in the storage bag, and lubricating oil is carried to the bent axle outside along lubricated passageway, lubricates crank pin and its cooperation part to eliminate the vibration that the friction produced, play the effect of making an uproar.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is an enlarged schematic view of a portion of the structure in fig. 2.

In the figure: 1. a crank pin; 2. a main journal; 3. a crank; 4. an induction cavity; 5. mounting grooves; 6. a flexible connecting shaft; 7. vibrating a tuning fork; 8. vibrating the block; 9. knocking the block; 10. a damping layer; 11. a movable groove; 12. a drive shaft; 13. a pushing block; 14. a storage bladder; 15. lubricating oil; 16. a lubrication channel; 17. an induction air bag.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 3, the crankshaft of the refrigeration compressor capable of eliminating vibration noise of the present embodiment includes a crank pin 1 and a main journal 2 installed on one side surface of the crank pin 1, a split structure is provided between the crank pin 1 and the main journal 2, a crank 3 is installed on the other side surface of the crank pin 1, an induction cavity 4 is opened inside the main journal 2, a vibration induction mechanism is installed on the inner wall of the induction cavity 4, a driving mechanism is installed inside the main journal 2 outside the induction cavity 4, a mounting groove 5 is opened on one side surface of the crank pin 1 adjacent to one side of the main journal 2, a lubricating mechanism is installed on the inner wall of the mounting groove 5, when the crankshaft generates noise due to vibration during operation, the vibration sensing mechanism inside the sensing chamber 4 senses the occurrence of vibration, the driving mechanism drives the lubricating mechanism to lubricate the outer side of the crankshaft, so that vibration generated by friction is eliminated, and the noise reduction effect is achieved.

Specifically, vibration response mechanism includes vibration tuning fork 7 and strikes the subassembly, flexible connecting axle 6 is installed to the inner wall in response chamber 4, vibration tuning fork 7 is installed to flexible connecting axle 6's end, the subassembly of striking is installed to the inner wall in the response chamber 4 in the vibration tuning fork 7 outside, strike the subassembly including strikeing piece 9 and vibrating mass 8, two vibrating masses 8 are installed to the inner wall in the response chamber 4 in the vibration tuning fork 7 outside, vibrating tuning fork 7's both sides surface all installs and strikes piece 9, one side surface that strikes piece 9 and one side surface movable contact of vibrating mass 8, when the bent axle when the operation in-process because the friction produces the vibration, vibration conduction is inside to response chamber 4, drive vibration tuning fork 7 synchronous vibration, vibration tuning fork 7 drives and strikes piece 9 and vibrating mass 8 contact, enlarge the vibration effect.

Further, actuating mechanism includes damping layer 10 and drive assembly, the internally mounted of the main journal 2 of the 4 outside surfaces in response chamber has damping layer 10, movable groove 11 has been seted up to the inside of the main journal 2 in the damping layer 10 outside, drive assembly is installed to the inner wall of movable groove 11, drive assembly includes response gasbag 17 and drive shaft 12, response gasbag 17 is installed to the inner wall of movable groove 11, drive shaft 12 is installed to the movable groove 11 inner wall of response gasbag 17 one side, the end of drive shaft 12 is installed and is promoted piece 13, damping layer 10 converts the inside mechanical vibration who produces of main journal 2 into heat energy and disperses, response gasbag 17 is heated the inflation, response gasbag 17 inflation extrusion drive shaft 12 in movable groove 11.

Furthermore, lubricated mechanism is including storage bag 14 and lubricated passageway 16, storage bag 14 is installed to the inner wall of mounting groove 5, the inside packing of storage bag 14 has lubricating oil 15, lubricated passageway 16 has all been seted up to the crank pin 1 inside on storage bag 14 both sides surface, the end of two lubricated passageways 16 all extends to the outside surface of crank pin 1, drive shaft 12 drives and promotes piece 13 extrusion storage bag 14, extrude lubricating oil 15 in the storage bag 14, lubricating oil 15 carries to the bent axle outside along lubricated passageway 16, lubricate crank pin 1 and its cooperation part, thereby eliminate the vibration that the friction produced, play the effect of making an uproar.

The using method of the embodiment comprises the following steps: when the crankshaft generates noise due to vibration in the operation process, the vibration sensing mechanism in the sensing cavity 4 senses the vibration and drives the lubricating mechanism to lubricate the outer side of the crankshaft through the driving mechanism, so that the vibration generated by friction is eliminated, and the noise reduction effect is achieved;

when the crankshaft generates vibration due to friction in the operation process, the vibration is transmitted to the inside of the induction cavity 4 to drive the vibration tuning fork 7 to vibrate synchronously, and the vibration tuning fork 7 drives the knocking block 9 to contact with the vibration block 8, so that the vibration effect is amplified;

the damping layer 10 converts mechanical vibration generated inside the main journal 2 into heat energy for dissipation, the induction air bag 17 expands when heated, and the induction air bag 17 expands in the movable groove 11 to extrude the driving shaft 12;

drive shaft 12 drives and promotes piece 13 extrusion storage bag 14, extrudes the lubricating oil 15 in the storage bag 14, and lubricating oil 15 carries to the bent axle outside along lubricated passageway 16, lubricates crank pin 1 and its cooperation part to eliminate the vibration that the friction produced, play the effect of making an uproar.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described above, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A vibration noise-eliminable refrigerating compressor crankshaft comprising a crank pin (1) and a main journal (2) installed at one side surface of the crank pin (1), characterized in that: crank (3) are installed to crank pin (1) opposite side surface, response chamber (4) have been seted up to the inside of main journal (2), the inner wall in response chamber (4) is installed and is vibrated response mechanism, the internally mounted of main journal (2) in response chamber (4) outside has actuating mechanism, is close to mounting groove (5) have been seted up to crank pin (1) side surface on one side of main journal (2), lubricated mechanism is installed to the inner wall of mounting groove (5).

2. A vibration noise-eliminable refrigerant compressor crankshaft according to claim 1, wherein: vibration response mechanism includes vibration tuning fork (7) and strikes the subassembly, and flexonics axle (6) are installed to the inner wall in response chamber (4), and vibration tuning fork (7) are installed to the end of flexonics axle (6), and the subassembly is strikeed to the inner wall in response chamber (4) in vibration tuning fork (7) outside is installed.

3. A vibration noise-eliminable refrigerant compressor crankshaft according to claim 2, wherein: strike the subassembly including strikeing piece (9) and vibrating mass (8), two vibrating masses (8) are installed to the inner wall in response chamber (4) in vibrating tuning fork (7) outside, and vibrating tuning fork (7)'s both sides surface all installs and strikes piece (9), strikes one side surface of piece (9) and one side surface movable contact of vibrating mass (8).

4. A vibration noise-eliminable refrigerant compressor crankshaft according to claim 1, wherein: the driving mechanism comprises a damping layer (10) and a driving assembly, the damping layer (10) is arranged inside a main journal (2) on the surface of the outer side of the induction cavity (4), a movable groove (11) is formed in the main journal (2) on the outer side of the damping layer (10), and the driving assembly is arranged on the inner wall of the movable groove (11).

5. A vibration noise-eliminable refrigerant compressor crankshaft according to claim 4, wherein: the drive assembly comprises a sensing air bag (17) and a drive shaft (12), the sensing air bag (17) is installed on the inner wall of the movable groove (11), the drive shaft (12) is installed on the inner wall of the movable groove (11) on one side of the sensing air bag (17), and the pushing block (13) is installed at the tail end of the drive shaft (12).

6. A vibration noise-eliminable refrigerant compressor crankshaft according to claim 1, wherein: lubricated mechanism is including saving bag (14) and lubricated passageway (16), save bag (14) are installed to the inner wall of mounting groove (5), and the inside packing of saving bag (14) has lubricating oil (15), and lubricated passageway (16) have all been seted up to crank pin (1) inside on save bag (14) both sides surface, and the end of two lubricated passageways (16) all extends to the outside surface of crank pin (1).

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