CN220581345U - Volute structure and air conditioner - Google Patents

Abstract

The application provides a spiral case structure and air conditioner, spiral case structure includes first spiral case and second spiral case, first spiral case has first open end, the periphery of first open end is equipped with at least one buckle; the second volute is provided with a second open end, and at least one clamping groove corresponding to at least one clamping buckle is arranged on the periphery of the second open end; the buckle comprises a clamping part and an elastic part arranged on the clamping part, wherein the clamping part is clamped with one side of the clamping groove so that the first volute is fixedly connected with the second volute, and the elastic part is abutted with one side of the clamping groove, which is opposite to the clamping part, so that the clamping part is prevented from being in clearance fit with the clamping groove. The elastic part is arranged on the clamping part, and the elastic part is used for limiting the clamping part, so that the clamping part is more stable in cooperation with the clamping groove, and the situation that looseness and even falling off occur between the clamping part and the clamping groove after long-term use or under the condition of external force is prevented.

Description

Volute structure and air conditioner

Technical Field

The application relates to the technical field of air conditioners, in particular to a volute structure and an air conditioner.

Background

At present, most air conditioners in the market are provided with centrifugal fans, and a shell of each centrifugal fan is usually fixedly connected with a middle partition plate of an indoor unit of the air conditioner.

The casing of centrifugal fan among the related art includes spiral case and lower spiral case, goes up spiral case and lower spiral case and adopts ordinary buckle structure to realize fixedly generally, because centrifugal fan can produce the vibration in the operation process, after long-term use, the circumstances that looseness even drops can appear in the buckle structure of going up spiral case and lower spiral case, leads to the sealing performance of spiral case relatively poor, also can influence the security performance of air conditioner simultaneously, has reduced user's use experience.

Disclosure of Invention

The utility model provides a volute structure, which aims to solve the technical problem that in the prior art, a buckle of a volute is easy to loosen after long-term use.

In order to achieve the above object, a volute structure provided by the present application includes a first volute and a second volute, where the first volute has a first open end, and at least one buckle is disposed on an outer periphery of the first open end; the second volute is provided with a second open end, and at least one clamping groove corresponding to at least one clamping buckle is arranged on the periphery of the second open end; the buckle comprises a clamping part and an elastic part arranged on the clamping part, wherein the clamping part is clamped with one side of the clamping groove so that the first volute is fixedly connected with the second volute, and the elastic part is abutted with one side of the clamping groove, which is opposite to the clamping part, so that the clamping part is prevented from being in clearance fit with the clamping groove.

Optionally, in an embodiment, the buckle further includes a connection portion, the connection portion is disposed on the first volute, the clamping portion is fixedly connected with one end of the connection portion away from the first volute, and the elastic portion is disposed on one side of the clamping portion, which is close to the first volute.

Optionally, in an embodiment, the elastic portion is disposed in an arc shape.

Optionally, in an embodiment, a bump is provided at an end of the elastic portion, and the bump extends toward a side facing away from the clamping portion.

Optionally, in an embodiment, the first volute is integrally injection molded with the buckle.

Optionally, in an embodiment, a spigot rib is disposed on the first open end, a spigot groove is disposed at a position of the second open end corresponding to the spigot rib, and the spigot rib and the spigot groove are matched with each other so that the first volute and the second volute are in sealing connection.

The application also provides an air conditioner, which comprises the volute structure.

Optionally, in an embodiment, the air conditioner includes a sealing member and a middle partition, the volute structure is fixedly connected with the middle partition, and the sealing member is disposed at a connection position of the volute structure and the middle partition.

Optionally, in an embodiment, an air duct is formed inside the volute structure, an air inlet and an air outlet which are communicated with the air duct are formed in the volute structure, the sealing element is arranged around the air outlet, an opening is formed in the middle partition plate, and the opening is communicated with the air outlet.

Optionally, in an embodiment, the sealing member is made of rubber material.

The application provides a spiral case structure is through setting up the elastic part on the joint portion, and the joint of one side joint of joint portion and draw-in groove is in order to realize the fixed connection of first spiral case and second spiral case, and simultaneously, the elastic part can carry out spacingly to the joint portion with the draw-in groove one side butt of joint portion dorsad to utilize the elastic part, make the cooperation of joint portion and draw-in groove more stable, prevent to appear not hard up even the condition that drops between joint portion and the draw-in groove after long-term use or receive under the external force condition, and then promoted spiral case structure's sealing performance and security performance.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained from the structures shown in these drawings without inventive effort to a person of ordinary skill in the art.

Fig. 1 is a schematic structural diagram of a volute structure provided in the present application;

FIG. 2 is a schematic view of a volute structure provided in the present application at another angle;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

fig. 4 is a schematic structural diagram of a first volute provided in the present application;

FIG. 5 is a partial enlarged view at B in FIG. 4;

fig. 6 is a schematic view of a part of the structure of an air conditioner provided in the present application;

fig. 7 is a partially exploded schematic view of an air conditioner provided in the present application.

Reference numerals illustrate:

reference numerals	Name of the name	Reference numerals	Name of the name	Reference numerals	Name of the name
						10	First volute casing	124	Bump block	30	Sealing element
11	A first open end	13	Air inlet	31	First fixing part
						12	Buckle	14	Air outlet	40	Middle partition board
121	Clamping part	20	Second volute	41	An opening
						122	Elastic part	21	A second open end	42	Second fixing part
123	Connecting part	22	Clamping groove

The realization, functional characteristics and advantages of the present application will be further described with reference to the embodiments, referring to the attached drawings.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the described embodiments are only some, but not all, of the embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

The embodiment of the application provides a spiral case structure to solve among the prior art spiral case and its buckle is not hard up technical problem easily after long-term use. The following description will be made with reference to the accompanying drawings.

In the embodiment of the present application, as shown in fig. 1-3 and fig. 7, the volute structure includes a first volute 10 and a second volute 20, where the first volute 10 has a first open end 11, and at least one buckle 12 is disposed on the periphery of the first open end 11; the second volute 20 is provided with a second open end 21, and at least one clamping groove 22 corresponding to at least one clamping buckle 12 is arranged on the periphery of the second open end 21; the buckle 12 includes a clamping portion 121 and an elastic portion 122 disposed on the clamping portion 121, the clamping portion 121 is clamped with one side of the clamping groove 22 to fixedly connect the first volute 10 and the second volute 20, and the elastic portion 122 abuts against one side of the clamping groove 22 opposite to the clamping portion 121 to prevent the clamping portion 121 from being disengaged from the clamping groove 22.

It should be noted that, at present, the first spiral case and the second spiral case of spiral case structure on the market adopt ordinary buckle structure to realize fixedly generally, because centrifugal fan can produce the vibration in the operation process, after long-term use, the condition that looseness even drops can appear in the buckle structure of first spiral case and second spiral case, leads to the sealing performance of spiral case structure relatively poor, also can influence the security performance of air conditioner simultaneously, has reduced user's use experience. In order to solve the above-mentioned problems, the first scroll casing and the second scroll casing are fixed by means of a combination of a buckle and a screw in the related art, but this reduces the production assembly efficiency of the scroll casing structure and increases the production cost.

Therefore, the application proposes a spiral case structure, through set up elasticity portion 122 on joint portion 121, joint portion 121 and one side joint of draw-in groove 22 are in order to realize the fixed connection of first spiral case 10 and second spiral case 20, meanwhile, elasticity portion 122 can with draw-in groove 22 one side butt of joint portion 121 dorsad, thereby utilize elasticity portion 122 to carry out spacingly to joint portion 121, make the cooperation of joint portion 121 and draw-in groove 22 more stable, prevent to appear not hard up even the condition that drops between joint portion 121 and the draw-in groove 22 after long-term use or receive under the external force condition, and then promoted spiral case structure's sealing performance and security performance, can also improve spiral case structure's installation effectiveness simultaneously, reduce spiral case structure's manufacturing cost.

Specifically, referring to fig. 1 and 2, the scroll structure is substantially cylindrical, and the first scroll 10 and the second scroll 20 are respectively semi-cylindrical, so that a rectangular first open end 11 is formed on the first scroll 10, and a rectangular second open end 21 is formed on the second scroll 20. In this embodiment, the number of the buckles 12 and the clamping grooves 22 is four, the buckles 12 are installed at four corners of the first open end 11, the clamping grooves 22 are installed at four corners of the second open end 21, and the four clamping grooves 22 and the four buckles 12 are used to respectively realize the matching, so that the connection strength of the first volute 10 and the second volute 20 can be improved.

Optionally, in an embodiment, referring to fig. 4 and 5, the buckle 12 further includes a connection portion 123, the connection portion 123 is disposed on the first volute 10, the clamping portion 121 is fixedly connected to an end of the connection portion 123 away from the first volute 10, and the elastic portion 122 is disposed on a side of the clamping portion 121 near the first volute 10.

Specifically, the connection portion 123 is vertically disposed at one side of the first volute 10, and the clamping portion 121 and one end of the connection portion 123 away from the first volute 10 are vertically disposed, so that an accommodating space is formed between the clamping portion 121 and the first volute 10, and the elastic portion 122 is disposed in the accommodating space.

Referring to fig. 3, the second volute casing 20 is provided with a ring rib, and a square clamping groove 22 is formed on the inner side of the ring rib, and the clamping portion 121 can move to a clamping position matched with the clamping groove 22 along the assembly direction. When the buckle 12 is assembled with the clamping groove 22, the clamping part 121 elastically deforms towards one side of the elastic part 122, the free end of the elastic part 122 elastically deforms towards one side of the clamping part 121 and simultaneously stretches into the clamping groove 22 together with the clamping part 121, then the clamping part 121 is clamped with one side, away from the second volute 20, of the clamping groove 22, and the elastic part 122 is abutted with one side, facing away from the clamping part 121, of the clamping groove 22, so that the matching between the clamping groove 22 and the buckle 12 is realized.

Alternatively, in an embodiment, referring to fig. 4 and 5, the elastic portion 122 is disposed in an arc shape. The arc length of the elastic part 122 does not exceed 1/4 of the circumference length, the intrados of the elastic part 122 is arranged towards one side of the clamping part 121, and the free end of the elastic part 122 is elastically deformed towards one side of the clamping part 121 by arranging the elastic part 122 into an arc shape, so that the assembly of the buckle 12 and the clamping groove 22 is more time-saving and labor-saving.

Further, referring to fig. 5, a protrusion 124 is disposed at an end of the elastic portion 122, and the protrusion 124 extends toward a side facing away from the engaging portion 121. When the elastic portion 122 is in an arc shape, the protruding block 124 can be better matched with the elastic portion 122, so that the protruding block 124 is abutted against one side of the clamping groove 22, which is opposite to the clamping portion 121, so that the matching strength of the buckle 12 and the clamping groove 22 is further improved.

Alternatively, in an embodiment, the first volute 10 is injection molded integrally with the catch 12. That is, in this embodiment, the buckle 12 is integrally formed, and the buckle 12 and the first volute 10 are integrally formed, so that the stability of the structure and performance of the buckle 12 can be ensured, the structure is convenient to form and simple to manufacture, redundant assembly parts and connection procedures are omitted, and the installation efficiency is effectively improved.

Optionally, in an embodiment, a spigot rib is disposed on the first open end 11, a spigot groove is disposed at a position of the second open end 21 corresponding to the spigot rib, and the spigot rib and the spigot groove cooperate with each other to make the first volute 10 and the second volute 20 connected in a sealing manner.

Specifically, referring to fig. 1 and 7, a fan assembly is disposed in the volute structure, and the fan assembly includes a centrifugal fan and a driving member, where the driving member is used to drive the centrifugal fan to rotate in the volute structure, so as to realize air suction and air exhaust of the centrifugal fan. In order to prevent air flow loss, the air quantity sent out by the volute structure is improved, in this embodiment, a spigot rib is arranged at the first open end 11, a spigot groove is arranged at the second open end 21, and the spigot rib is used for extending into the spigot groove, so that a gap between the first volute 10 and the second volute 20 on the circumferential wall surface is sealed.

The embodiment of the application also provides an air conditioner, which comprises a volute structure, and the specific structure of the volute structure refers to the embodiment, and because the air conditioner adopts all the technical schemes of all the embodiments, the air conditioner at least has all the beneficial effects brought by the technical schemes of the embodiments, and the description is omitted herein.

Alternatively, in an embodiment, referring to fig. 6 and 7, the air conditioner includes a sealing member 30 and a middle partition 40, the volute structure is fixedly connected to the middle partition 40, and the sealing member 30 is disposed at a connection portion between the volute structure and the middle partition 40.

It should be noted that, in the related art, the volute structure is directly fixed on the middle partition plate 40 by a fastener or a screw, but in this way, a gap exists at the connection position between the volute and the middle partition plate 40, so that part of air flow is blown out from the gap, and the air output of the air conditioner is reduced. Therefore, in this embodiment, the sealing member 30 is disposed at the connection position between the volute and the middle partition plate 40, that is, the sealing member 30 is connected with the volute and the middle partition plate 40 respectively, so as to seal the gap between the volute and the middle partition plate 40, prevent part of the airflow from being blown out from the gap, and further improve the air output of the air conditioner.

Optionally, in an embodiment, referring to fig. 6 and 7, an air duct is formed inside the volute structure, an air inlet 13 and an air outlet 14 that are communicated with the air duct are formed on the volute structure, the sealing member 30 is disposed around the air outlet 14, an opening 41 is formed on the middle partition plate 40, and the opening 41 is communicated with the air outlet 14.

Specifically, the number of the air inlets 13 is two, the two air inlets 13 are respectively arranged at two sides of the volute structure, namely, the two air inlets 13 are respectively arranged corresponding to the air inlet side of the centrifugal wind wheel, and the air outlet 14 is arranged on the circumferential wall surface of the volute structure.

In this embodiment, the air outlet 14 is square, the periphery of the air outlet 14 is provided with a ring rib, a plurality of first fixing parts 31 are arranged on the ring rib at intervals, and the sealing element 30 is fixed on the ring rib through the plurality of first fixing parts 31; the outer periphery of the opening 41 of the middle partition plate 40 is provided with a plurality of second fixing portions 42, and the volute structure can be fixed on the middle partition plate 40 by the plurality of second fixing portions 42. The first fixing portion 31 and the second fixing portion 42 may be a snap structure or a screw structure.

Optionally, in an embodiment, the sealing member 30 is made of rubber. The sealing piece 30 made of rubber has good vibration damping performance, can reduce vibration generated in the running process of the fan assembly while guaranteeing good sealing performance between the volute structure and the middle partition plate 40, so that noise inside the air conditioner is reduced, and user experience is improved.

In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments. In the description of the present application, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more features.

The above description has been made in detail of the volute structure provided in the embodiments of the present application, and specific examples are applied herein to illustrate the principles and embodiments of the present application, and the above description of the embodiments is only for helping to understand the method and core ideas of the present application; meanwhile, as those skilled in the art will vary in the specific embodiments and application scope according to the ideas of the present application, the contents of the present specification should not be construed as limiting the present application in summary.

Claims (10)

1. A volute structure, comprising:

the first volute (10) is provided with a first open end (11), and at least one buckle (12) is arranged on the periphery of the first open end (11);

the second volute (20) is provided with a second open end (21), and at least one clamping groove (22) corresponding to at least one clamping buckle (12) is formed in the periphery of the second open end (21);

the buckle (12) comprises a clamping portion (121) and an elastic portion (122) arranged on the clamping portion (121), the clamping portion (121) is clamped with one side of the clamping groove (22) so that the first volute (10) is fixedly connected with the second volute (20), and the elastic portion (122) is abutted with one side of the clamping groove (22) opposite to the clamping portion (121) so as to prevent the clamping portion (121) from being in clearance fit with the clamping groove (22).

2. The volute structure according to claim 1, wherein the buckle (12) further comprises a connecting portion (123), the connecting portion (123) is disposed on the first volute (10), the clamping portion (121) is fixedly connected with one end of the connecting portion (123) away from the first volute (10), and the elastic portion (122) is disposed on one side of the clamping portion (121) close to the first volute (10).

3. The volute structure of claim 1, wherein the elastic portion (122) is provided in an arc shape.

4. A volute structure according to claim 3, characterized in that the end of the elastic part (122) is provided with a projection (124), which projection (124) extends towards the side facing away from the clamping part (121).

5. The volute structure of claim 1, wherein the first volute (10) is injection molded integrally with the catch (12).

6. The volute structure according to claim 1, wherein the first open end (11) is provided with a spigot rib, the second open end (21) is provided with a spigot groove corresponding to the spigot rib, and the spigot rib and the spigot groove are matched with each other so that the first volute and the second volute are in sealing connection.

7. An air conditioner comprising a volute structure according to any one of claims 1-6.

8. The air conditioner according to claim 7, wherein the air conditioner comprises a sealing member (30) and a middle partition (40), the volute structure is fixedly connected with the middle partition (40), and the sealing member (30) is arranged at the connection part of the volute structure and the middle partition (40).

9. The air conditioner according to claim 8, wherein an air duct is formed in the volute structure, an air inlet (13) and an air outlet (14) which are communicated with the air duct are formed in the volute structure, the sealing element (30) is arranged around the air outlet (14), an opening (41) is formed in the middle partition plate (40), and the opening (41) is communicated with the air outlet (14).

10. An air conditioner according to claim 8, wherein the sealing member (30) is made of rubber material.