阅读说明：本技术 一种压缩机底盘组件及空调室外机 (Compressor chassis assembly and air conditioner outdoor unit ) 是由 杨俊涛 高智强 夏增强 程诗 吴梦芸 李帅 于 2021-06-22 设计创作，主要内容包括：本发明公开了一种压缩机底盘组件及空调室外机,以解决压缩机启动时,减震垫圈与定位螺栓发生碰撞使产生的噪音较大的问题。本发明一种压缩机底盘组件包括：底盘；用于固定压缩机的定位螺栓,定位螺栓固定设置在底盘上,并分布在压缩机的周围,所述定位螺栓的外侧面形成有切口；减震垫圈,所述减震垫圈套设在所述定位螺栓上,其内通孔面与所述定位螺栓的切口之间形成有避免减振垫圈与定位螺栓碰撞的运动间隙。本发明在不改变原有的定位螺栓和减震垫圈配合间隙的前提下,通过在定位螺栓上增设切口,避免压缩机启动时定位螺栓与减震垫圈碰撞而使噪音较大的问题。(The invention discloses a compressor chassis assembly and an air conditioner outdoor unit, and aims to solve the problem that when a compressor is started, a damping washer collides with a positioning bolt to generate high noise. The invention relates to a compressor chassis component, comprising: a chassis; the positioning bolts are fixedly arranged on the base plate and distributed around the compressor, and notches are formed on the outer side surfaces of the positioning bolts; and the damping washer is sleeved on the positioning bolt, and a movement gap for avoiding collision between the damping washer and the positioning bolt is formed between the inner through hole surface of the damping washer and the notch of the positioning bolt. According to the invention, on the premise of not changing the original fit clearance between the positioning bolt and the damping washer, the problem of higher noise caused by collision between the positioning bolt and the damping washer when the compressor is started is avoided by additionally arranging the notch on the positioning bolt.)

1. A compressor pan assembly, comprising:

a chassis;

the positioning bolts are fixedly arranged on the base plate and distributed around the compressor, and notches are formed on the outer side surfaces of the positioning bolts;

and the damping washer is sleeved on the positioning bolt, and a movement gap for avoiding collision between the damping washer and the positioning bolt is formed between the inner through hole surface of the damping washer and the notch of the positioning bolt.

2. The compressor pan assembly of claim 1, wherein the plane of the positioning bolt cut-out is perpendicular to the tangential force of rotation of the compressor at that location.

3. A compressor pan assembly as set forth in claim 1, wherein: the plane where the positioning bolt notch is located is parallel to the axis of the positioning bolt.

4. A compressor pan assembly as set forth in claim 1, wherein: the positioning bolt comprises a head, a main rod part and a threaded connection part along the axial direction of the positioning bolt, the diameters of the head, the main rod part and the threaded connection part are sequentially increased, the notch is formed in the main rod part, and the outer circular surface of the main rod part is in clearance fit with the inner hole of the damping washer.

5. The compressor chassis assembly as claimed in claim 4, wherein the fit clearance between the outer circumferential surface of the main rod part of the positioning bolt and the inner hole of the damping washer is 0.8mm-1.5 mm.

6. A compressor pan assembly as set forth in claim 1, wherein: the head of the positioning bolt is provided with a positioning bulge, the positioning bulge is provided with an opening, the chassis is provided with a positioning hole, the positioning hole is provided with a transverse rib, the positioning bulge is matched with the positioning hole through insertion, and the transverse rib is positioned in the opening.

7. A compressor pan assembly according to any one of claims 1 to 6, wherein: the positioning bolts and the damping washers are arranged on the base plate in multiple groups, and when the damping washers are connected with the compressor, the positioning bolts and the damping washers are distributed around the compressor.

8. A compressor chassis assembly according to any of claims 1 to 6, wherein the length of the cut-out is greater than or equal to the length of the mating surface of the cushion washer with the locating bolt.

9. A compressor chassis assembly according to any of claims 1 to 6, wherein the number of said cut-outs is two, symmetrically arranged with respect to the axis of said positioning bolt.

10. A compressor chassis assembly according to any of claims 1 to 6, wherein a nut for fastening a cushion washer is threadedly connected to the positioning bolt.

11. An outdoor unit of an air conditioner, comprising the compressor base plate assembly of any one of claims 1 to 10.

12. The outdoor unit of claim 11, further comprising a compressor detachably mounted to the damping gasket.

Technical Field

The invention relates to the technical field of air conditioners, in particular to a compressor chassis assembly and an air conditioner outdoor unit.

Background

The outdoor unit mostly adopts a rotor type compressor, namely, the compressor works in a rotating way. For transportation reliability, the assembly clearance between the damping washer and the positioning bolt is generally designed to be relatively small, about 1mm, so that the damping washer must move towards the positioning bolt under the action of circumferential force when the compressor starts to rotate, and the assembly clearance is reduced until collision occurs. When the compressor torsional force is great, especially when the compressor starts, the damping packing ring bumps with positioning bolt very easily, produces unusual noise, influences user experience. For this reason, there is a need to optimize existing compressor vibration damping devices.

Disclosure of Invention

In view of the above, the invention discloses a compressor chassis assembly and an air conditioner outdoor unit, which are used for solving the problem of high noise caused by collision between a damping washer and a positioning bolt when a compressor is started.

In order to achieve the above object, the invention adopts the following technical scheme:

in a first aspect, the present invention discloses a compressor base plate assembly, comprising: a chassis; the positioning bolts are fixedly arranged on the base plate and distributed around the compressor, and notches are formed on the outer side surfaces of the positioning bolts; and the damping washer is sleeved on the positioning bolt, and a movement gap for avoiding collision between the damping washer and the positioning bolt is formed between the inner through hole surface of the damping washer and the notch of the positioning bolt.

Further, the plane of the notch of the positioning bolt is perpendicular to the rotating tangential force of the compressor at the position.

Further, the plane of the positioning bolt notch is parallel to the axis of the positioning bolt.

Further, positioning bolt includes head, main pole portion, threaded connection portion along its axial, and head, main pole portion and threaded connection portion diameter increase in proper order, the incision forms main pole portion, the outer disc of main pole portion with the cushion ring hole clearance fit.

Furthermore, the fit clearance between the outer circular surface of the main rod part on the positioning bolt and the inner hole of the damping washer is 0.8mm-1.5 mm.

Furthermore, the head of the positioning bolt is provided with a positioning protrusion, the positioning protrusion is provided with an opening, the chassis is provided with a positioning hole, the positioning hole is provided with a transverse rib, the positioning protrusion is matched with the positioning hole through insertion, and the transverse rib is positioned in the opening.

Furthermore, the positioning bolts and the damping washers are multiple groups and are arranged on the base plate, and when the damping washers are connected with the compressor, the multiple groups of the positioning bolts and the damping washers are distributed around the compressor.

Further, the length of the notch is larger than or equal to the length of the matching surface of the shock absorption washer and the positioning bolt.

Furthermore, the number of the notches is two, and the notches are symmetrically arranged relative to the axis of the positioning bolt.

Furthermore, a nut used for fastening the damping washer is connected to the positioning bolt in a threaded manner.

The invention discloses an air conditioner outdoor unit in a second aspect, which comprises the compressor chassis assembly in the first aspect.

Further, the outdoor air conditioner further comprises a compressor, and the compressor is detachably mounted on the damping washer.

Has the advantages that: according to the invention, the notch is arranged on the positioning bolt, and the notch and the circumferential force of the compressor on the positioning bolt are oppositely arranged, when the compressor is started, the circumferential force is generated to act on the damping washer, so that the gap between the inner hole of the damping washer and the outer surface of the positioning bolt is reduced, the notch is arranged on the side surface of the positioning bolt, the gap between the inner hole of the damping washer and the outer surface of the positioning bolt is increased, the noise generated by collision is avoided, meanwhile, the pretightening force of the nut acting on the damping washer also meets the requirement of transportation, and the looseness cannot occur.

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 merely exemplary embodiments of the present disclosure, and other drawings may be derived by those skilled in the art without inventive effort.

FIG. 1 shows a schematic diagram of an embodiment;

FIG. 2 shows a schematic view of one of the set bolts of FIG. 1;

FIG. 3 shows a schematic view of another positioning bolt of FIG. 1;

FIG. 4 shows a top view of FIG. 1 with the arrows indicating the circumferential force direction at compressor start-up;

FIG. 5 shows a cross-sectional view A-A of FIG. 4;

FIG. 6 shows a cross-sectional view B-B of FIG. 4;

FIG. 7 shows a real map of the vibration response of a conventional set bolt (without a notch) under compressor startup circumferential force;

fig. 8 shows a real view of the vibration response of the set bolt (with cut-out) of fig. 1-3 under the initial circumferential force of the compressor.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within 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 examples of the present invention and the appended claims, the singular forms "a", "an", and "the" are intended to include the plural forms as well, and "a" and "an" generally include at least two, but do not exclude at least one, unless the context clearly dictates otherwise.

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 other like elements in a commodity or system that includes the element.

To further illustrate the technical solution of the present invention, the following specific examples are provided with reference to fig. 1 to 8.

Example 1

The present embodiment provides a compressor chassis assembly, including: a chassis 2; the positioning bolt 1 is used for fixing the compressor 4, the positioning bolt 1 is fixedly arranged on the chassis 2 and distributed around the compressor 4, and a notch is formed on the outer side surface of the positioning bolt 1; the damping washer 3 is sleeved on the positioning bolt 1, and a movement gap for avoiding collision between the damping washer 3 and the positioning bolt 1 is formed between the inner through hole surface of the damping washer 3 and the notch of the positioning bolt 1.

Preferably, the plane of the notch is a plane 11 parallel to the axis of the positioning bolt, so that when the compressor 4 is started or operated, an acting force is applied to the damping washer 3, and the gap between the inner wall of the damping washer 3 and the notch is reduced.

Preferably, the plane 11 of the notch of the positioning bolt 1 is perpendicular to the rotation tangential force of the compressor 4.

Preferably, the plane 11 of the notch of the positioning bolt 1 is parallel to the axis of the positioning bolt 1.

Specifically, referring to fig. 2 and 3, the positioning bolt 1 includes a head portion a, a main rod portion b, and a threaded connection portion c along an axial direction thereof, diameters of the head portion a, the main rod portion b, and the threaded connection portion c are sequentially increased, the notch is formed in the main rod portion a, and an outer circumferential surface of the main rod portion a is in clearance fit with an inner hole of the cushion ring 3.

Preferably, the head of the positioning bolt 1 is provided with a positioning protrusion 13, the positioning protrusion 13 is provided with an opening, the chassis 2 is provided with a positioning hole, the positioning hole is provided with a transverse rib, the positioning protrusion 13 is matched with the positioning hole through insertion, and the transverse rib is located in the opening.

Optionally, the positioning protrusions 13 may be semicircular protrusions, the number of the positioning protrusions is 2, the positioning protrusions are symmetrically arranged on two sides of the positioning bolt 1, the outer arc surfaces of the positioning protrusions 13 are matched with a plurality of positioning holes, a gap is formed between the two positioning protrusions 13, and the transverse rib is arranged in the gap between the two positioning protrusions 13.

Optionally, the positioning bolt 1 is welded on the chassis 2.

The positioning bolts 1 and the damping washers 3 are arranged on the base plate 2 in multiple groups, and when the damping washers 3 are connected with the compressor 4, the positioning bolts 1 and the damping washers 3 are distributed around the compressor 4 in multiple groups.

Optionally, the positioning bolt 1 and the cushion ring 3 are 3 groups.

The length of the notch is greater than or equal to the length of the matching surface of the shock absorption washer 3 and the positioning bolt 1.

The length of the notch in this embodiment refers to the length of the plane of the notch along the axial direction of the positioning bolt 1.

Preferably, the fit clearance between the outer circular surface of the main rod part on the positioning bolt and the inner hole of the damping washer is 0.8-1.5 mm, so that the pretightening force when the positioning bolt is connected with the damping washer 3 is guaranteed.

Preferably, the length of the plane 11 where the notch is located is greater than or equal to the length of the matching surface between the cushion ring 3 and the positioning bolt 1, so that when the cushion ring 3 moves relative to the positioning bolt 1, the cylindrical surface of the positioning bolt 1 on the non-notch side is prevented from colliding with the inner wall of the cushion ring 3 to generate noise.

Optionally, the number of the notches is two, and the notches are symmetrically arranged relative to the axis of the positioning bolt 1.

As shown in fig. 2 and fig. 3, the two notches of the positioning bolt 1 are illustrated schematically, wherein the plane 11 of the notch of the positioning bolt 1 may or may not extend to the upper surface of the head a.

In this embodiment, the positioning bolt 1 is screwed with a nut 5 for fastening the damping washer 3.

It can be known from the comparison between fig. 7 and fig. 8 that, in this embodiment, under the condition that the fit clearance between the original positioning bolt 1 and the damping washer 3 is not increased, the notch is formed in the side surface of the positioning bolt 1, so that the noise generated when the compressor 4 is started can be significantly reduced, and meanwhile, the nut 5 acts on the pretightening force of the damping washer 3 to ensure that the pretightening force is not loosened during the transportation process, so that the transportation is more reliable.

Example 2

The embodiment discloses an air conditioner outdoor unit, which comprises a compressor chassis assembly in embodiment 1;

this embodiment still includes specifically compressor 4, be equipped with a plurality of mount pads along the circumferencial direction on the compressor 4, every mount pad with damping washer 3 can dismantle the connection.

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.