CN220103470U

CN220103470U - Counterweight structure of liquid reservoir of compressor

Info

Publication number: CN220103470U
Application number: CN202321487471.0U
Authority: CN
Inventors: 樊兆迪
Original assignee: Shanghai Highly Electrical Appliances Co Ltd
Current assignee: Shanghai Highly Electrical Appliances Co Ltd
Priority date: 2023-06-12
Filing date: 2023-06-12
Publication date: 2023-11-28
Anticipated expiration: 2033-06-12

Abstract

The utility model belongs to the technical field of compressors, and discloses a counterweight structure of a liquid storage device of a compressor, which comprises a cylinder, an air inlet pipe and an air outlet pipe, wherein the air inlet pipe and the air outlet pipe are respectively communicated with the cylinder; the filtering structure comprises a filtering support connected with the cylinder and a filter screen arranged between the air inlet pipe and the air outlet pipe, a balancing weight is arranged between the filtering support and the filter screen, the balancing weight is connected with the filtering support, the gravity center of the balancing weight falls on the central axis of the cylinder, and the balancing weight can guide air or liquid passing through the filter screen to the air outlet pipe. The counterweight structure can effectively reduce vibration of the compressor during operation, and has lower processing cost.

Description

Counterweight structure of liquid reservoir of compressor

Technical Field

The utility model relates to the technical field of compressors, in particular to a counterweight structure of a liquid storage device of a compressor.

Background

The liquid storage device is an important part of the compressor, plays roles of storage, gas-liquid separation, filtration, noise reduction and refrigerant buffering, and the rotary compressor is a novel compressor, and a motor does not need to convert the rotary motion of a rotor into the reciprocating motion of a piston, but directly drives the rotary piston to perform rotary motion so as to compress refrigerant vapor. According to theoretical calculation and actual verification, the weight of the liquid storage device has larger influence on the running vibration of the existing rotary compressor, the weight of the liquid storage device is larger, the vibration is smaller, the running vibration of the rotary compressor is reduced by the existing liquid storage device through the integrally thickened cylinder, however, the integrally thickened cylinder can increase the weight to reduce the vibration, but a large amount of cost is increased, and the vibration reduction effect is smaller. There is a need for a compressor accumulator weight configuration that addresses the above-described issues.

Disclosure of Invention

One object of the present utility model is to: the utility model provides a compressor reservoir counter weight structure through set up the balancing weight on filtering the support, increases the whole weight of reservoir to reduce the vibration of compressor operation.

To achieve the purpose, the utility model adopts the following technical scheme:

a compressor reservoir weight structure comprising: the filter structure is arranged in the cylinder and positioned between the air outlet pipe and the air inlet pipe, and comprises a filter bracket connected with the cylinder and a filter screen arranged between the air inlet pipe and the air outlet pipe,

the filter support with be equipped with the balancing weight between the filter screen, the balancing weight with filter support connects just the focus of balancing weight falls on the axis of barrel, the balancing weight can be with the passing through the gas or the liquid direction of filter screen the outlet duct.

Preferably, the balancing weight is of a hemispherical structure or a conical structure, and the bottom of the balancing weight is connected with the filtering bracket.

Preferably, a flow guiding structure is arranged on the peripheral surface of the balancing weight, which faces away from the filtering support, and the flow guiding structure can guide gas or liquid to the air outlet pipe.

Preferably, the flow guiding structure is a spiral groove or a cambered surface groove, and the spiral groove or the cambered surface groove extends along the communication direction of the air inlet pipe and the air outlet pipe.

Preferably, the filter support is connected with the filter screen, the balancing weight and the filter screen are both arranged at one end of the filter support, which is close to the air inlet pipe, and the filter screen cover is arranged at the balancing weight and the filter support.

Preferably, the balancing weight is arranged at intervals with the filter screen; or the top of the balancing weight is abutted with the filter screen.

Preferably, the balancing weight and the filtering bracket are integrally formed; or alternatively

The filter support is provided with a mounting groove, and the balancing weight is fixedly mounted in the mounting groove.

Preferably, the weight is 30-150g.

Preferably, the balancing weight is made of a metal material with the density not less than 7.0g/cm < 3 >.

Preferably, the projection diameter of the balancing weight on the filter support is not smaller than 25mm.

The utility model has the beneficial effects that:

the utility model provides a counterweight structure of a liquid reservoir of a compressor, wherein a counterweight block is additionally arranged on a filtering bracket, the gravity center of the counterweight block is positioned on the central axis of the liquid reservoir, and the whole weight of the liquid reservoir is increased by the counterweight block so as to reduce the running vibration of the compressor; meanwhile, the balancing weight is arranged between the filtering support and the filtering net, and assists gas or liquid to be guided to the air outlet pipe, so that the influence on filtering performance is reduced. On one hand, the weight of the cylinder body of the liquid storage device can be relatively reduced by adding the balancing weight to increase the whole weight of the liquid storage device, namely, the cylinder body can be of lighter and thinner design, so that the production cost is reduced; on the other hand, the balancing weight is arranged on the cylinder body through the filtering bracket, so that the gravity center of the balancing weight coincides with the central axis of the cylinder body, and the vibration reduction effect and stability are improved.

Drawings

The utility model is described in further detail below with reference to the drawings and examples;

FIG. 1 is a partial schematic view of a compressor accumulator counterweight structure.

In the figure:

1. an air inlet pipe; 2. an air outlet pipe; 3. a cylinder; 4. a filtering structure; 41. a filter support; 42. a filter screen; 43. a vent hole; 5. and (5) balancing weights.

Detailed Description

In order to make the technical problems solved by the present utility model, the technical solutions adopted and the technical effects achieved more clear, the technical solutions of the embodiments of the present utility model will be described in further detail below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description herein, it should be understood that the terms "upper," "lower," "left," "right," and the like are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and to simplify the operation, rather than to indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for providing a special meaning.

In the description herein, reference to the term "one embodiment," "an example," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

The utility model provides a counterweight structure of a compressor liquid reservoir, which is applied to a rotary compressor, wherein the counterweight structure is arranged in the liquid reservoir of the compressor, so that the aim of reducing the vibration of the compressor is fulfilled, according to theoretical calculation and actual verification, the weight of the liquid reservoir has a larger influence on the running vibration of the existing rotary compressor, and a single integral thickened cylinder 3 can increase the weight and reduce the vibration, but has huge cost consumption and unsatisfactory effect, so that the cost consumption is low while the running vibration of the compressor can be effectively reduced by adding the counterweight structure in the liquid reservoir.

As shown in fig. 1, the compressor liquid storage device comprises an air inlet pipe 1, an air outlet pipe 2 and a barrel 3, the air inlet pipe 1 and the air outlet pipe 2 are respectively communicated with the barrel 3, a filtering structure 4 is arranged in the barrel 3, the filtering structure 4 is arranged between the air inlet pipe 1 and the air outlet pipe 2, the filtering structure 4 comprises a filtering support 41 and a filtering screen 42, the filtering support 41 is connected with the barrel 3, the filtering screen 42 is arranged between the air inlet pipe 1 and the air outlet pipe 2 and is connected with the filtering support 41, the filtering structure 4 can filter gas or liquid entering the liquid storage device from the air inlet pipe 1, the filtering support 41 is covered at an inlet end connected with the air outlet pipe 2, an air vent 43 is arranged on the filtering support 41, the gas or liquid entering from the air inlet pipe 1 can enter the air outlet pipe 2 through the air vent 43, one end, close to the air inlet, of the filtering screen 42 is of a cambered surface structure, the whole cover of the filtering screen 42 is arranged at one end, close to the air inlet pipe 1, and the gas or liquid entering from the air inlet pipe 1 can be ensured to enter the air outlet pipe 2 after being filtered by the filtering screen 42.

Illustratively, the filter support 41 is an integrally formed structure, the outer periphery of the filter support 41 is provided with a connecting part connected with the cylinder 3, the outer diameter of the connecting part is not larger than the inner diameter of the cylinder 3, the connecting part is fixedly connected with the cylinder 3 through a welding or bolt structure, the vent holes 43 are pressed out from the top of the filter support 41 from the outside to the inside through a stamping forming process, an arc-shaped guide plate is reserved on one side of the vent holes 43, and the arc-shaped guide plate can guide gas or liquid entering the filter support 41 through the filter screen 42 to the gas outlet pipe 2.

The filter screen 42 is fixedly connected with the filter support 41 by a bolt structure, or the filter screen 42 is welded to the filter support 41, for example.

As shown in fig. 1, a balancing weight 5 is disposed between the filtering support 41 and the filtering screen 42, the balancing weight 5 is mounted at the central position of the filtering support 41, and the center of the balancing weight 5 falls on the central axis of the cylinder 3, so that the overall weight of the liquid reservoir is increased, and the centrifugal force generated by the balancing weight 5 in the rotation process is reduced, thereby reducing the vibration of the liquid reservoir in the rotation state. Because balancing weight 5 needs to follow the violent rotation of reservoir, in order to avoid balancing weight 5 to break away from filtering support 41 and lead to the trouble, balancing weight 5 must firmly fix on filtering support 41, exemplarily, filtering support 41 central authorities set up the mounting groove that can supply balancing weight 5 to install with balancing weight 5 bottom shape size assorted through stamping forming technology, balancing weight 5 bottom passes through fastening screw with balancing weight 5 fixed mounting in the mounting groove simultaneously, further avoid balancing weight 5 to break away from filtering support 41 so as to damage the reservoir, balancing weight 5 is detachable with filtering support 41 to be connected, balancing weight 5's height and size are all adjustable, follow-up balancing weight 5 that can change different weights according to different needs, in order to reach best shock attenuation effect. After confirming the best balancing weight 5 of shock attenuation effect, can be through welding or bonding mode with balancing weight 5 fixed mounting in the mounting groove, further guarantee the stability of being connected between balancing weight 5 and the filter stand 41.

In other embodiments, the balancing weight 5 may be fixed on the filtering support 41 in an embedded manner, specifically, the filtering support 41 forms a cavity matched with the shape and the size of the balancing weight 5 through a stamping forming process, the balancing weight 5 is installed in the cavity, the cavity is closed through a bolt structure, the balancing weight 5 is embedded in the filtering support 41, and the falling of the balancing weight 5 is avoided.

In other embodiments, the counterweight 5 is connected to the filter support 41 through an integral molding, so that the assembly operation is further reduced, and the stability of the counterweight structure is improved.

As shown in fig. 1, the balancing weight 5 is in a hemispherical structure or a conical structure, a diversion structure (not shown in the figure) is arranged on the peripheral surface of the balancing weight 5, which is away from the filtering support 41, the diversion structure can divert gas or liquid to the ventilation holes 43, the ventilation holes 43 are arranged around the periphery of the balancing weight 5, the arc-shaped diversion plate is arranged on one side close to the balancing weight 5, and the gas or liquid flowing down from the diversion structure flows to the air outlet pipe 2 through the arc-shaped diversion plate, so that the diversion speed of the liquid or gas is accelerated, and the liquid accumulation is reduced.

Illustratively, the flow guiding structure is a spiral groove or a cambered surface groove, and the notch is communicated with the air vent 43 to further accelerate the flow guiding speed of the liquid or the gas.

Because the space between the filter screen 42 and the filter support 41 is limited, in order to avoid that the counterweight 5 cannot be installed due to interference with other components, the counterweight 5 is cast by adopting high-density metal with the density not less than 7.0g/cm3, when the weight of the counterweight 5 is 30-150g, a good damping effect can be achieved, preferably, the weight of the counterweight 5 is 40-100g, the best damping effect can be achieved, the projection diameter of the counterweight 5 on the filter support 41 is not less than 25mm, and if the projection diameter of the counterweight 5 on the filter support 41 is too small, the weight of the counterweight 5 cannot achieve the ideal damping effect or the height of the counterweight 5 is too high to interfere with the filter screen 42; specifically, the shape, size, density or weight of the balancing weight 5 can be adjusted according to practical situations.

For an exemplary liquid reservoir with an outer diameter of 65mm, the diameter of the filter screen 42 is 50mm, the weight balancing block 5 is made of high manganese steel with a density of 8.0g/cm3, and because the filter support 41 needs to be provided with the vent holes 43 for the gas or liquid flowing in through the filter screen 42 to pass through, the projection diameter of the weight balancing block 5 on the filter support 41 is selected to be 30-35mm, meanwhile, the top height of the weight balancing block 5 can be increased to be abutted against the filter screen 42, the height of the weight balancing block 5 is selected to be 40-45cm, at the moment, the weight balancing block 5 is in an ellipsoidal shape, the total weight is about 100g, the weight of the rotary liquid reservoir can be increased to a level equivalent to three sections, so that the optimal weight reducing effect can be achieved, and interference to other functional components of the liquid reservoir can be avoided.

In other embodiments, the counterweight 5 can also be made of stainless steel materials with the density of 7.7g/cm3, the density of the stainless steel is slightly lower than Gao Menggang, the total weight of the counterweight 5 is slightly lower than 100g, and the counterweight 5 is still located in the preferred interval of 40-100g, so that the effective shock absorption of the liquid reservoir can be helped, meanwhile, the stainless steel has strong corrosion resistance, and the service life of the counterweight 5 is further prolonged.

Furthermore, the foregoing description of the preferred embodiments and the principles of the utility model is provided herein. It will be understood by those skilled in the art that the present utility model is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the utility model. Therefore, while the utility model has been described in connection with the above embodiments, the utility model is not limited to the embodiments, but may be embodied in many other equivalent forms without departing from the spirit or scope of the utility model, which is set forth in the following claims.

Claims

1. The utility model provides a compressor reservoir counter weight structure, includes barrel (3) and communicates respectively intake pipe (1) and outlet duct (2) of barrel (3), be equipped with filtration (4) in barrel (3), filtration (4) are located outlet duct (2) with between intake pipe (1), filtration (4) include with filter bracket (41) that barrel (3) are connected and locate intake pipe (1) with filter screen (42) between outlet duct (2),

the filter comprises a cylinder body (3), and is characterized in that a balancing weight (5) is arranged between a filter support (41) and a filter screen (42), the balancing weight (5) is connected with the filter support (41) and the gravity center of the balancing weight (5) falls on the central axis of the cylinder body (3), and the balancing weight (5) can guide gas or liquid passing through the filter screen (42) to the gas outlet pipe (2).

2. The compressor accumulator counterweight structure according to claim 1, characterized in that the counterweight (5) is of hemispherical or conical structure, the bottom of the counterweight (5) being connected to the filter support (41).

3. A compressor reservoir counterweight structure according to claim 2, characterized in that the periphery of the counterweight (5) facing away from the filter support (41) is provided with a flow guiding structure capable of guiding gas or liquid towards the outlet pipe (2).

4. A compressor reservoir counterweight structure according to claim 3, characterized in that the flow guiding structure is a spiral groove or a cambered surface groove extending in the direction of communication of the inlet pipe (1) and the outlet pipe (2).

5. The compressor reservoir counterweight structure as recited in claim 1, wherein the filter support (41) is connected with the filter screen (42), the counterweight (5) and the filter screen (42) are both disposed at one end of the filter support (41) near the intake pipe (1), and the filter screen (42) is covered by the counterweight (5) and the filter support (41).

6. -compressor reservoir balancing weight structure according to claim 5, characterized in that said balancing weight (5) is arranged spaced from said filter screen (42); or the top of the balancing weight (5) is abutted with the filter screen (42).

7. -compressor reservoir balancing structure according to any one of claims 1 to 6, characterised in that the balancing weight (5) is integrally formed with the filtering support (41); or alternatively

The filter support (41) is provided with a mounting groove, and the balancing weight (5) is fixedly mounted in the mounting groove.

8. A compressor reservoir balancing structure according to any one of claims 1-6, characterized in that the balancing weight (5) weighs 30-150g.

9. A compressor reservoir weight structure according to any one of claims 1-6, characterized in that the weight (5) is made of a metallic material having a density of not less than 7.0g/cm 3.

10. -compressor reservoir balancing structure according to any one of claims 1 to 6, characterized in that the projection diameter of the balancing weight (5) on the filter support (41) is not less than 25mm.