CN216077726U - Spiral case assembly of clothes dryer and clothes dryer - Google Patents
Spiral case assembly of clothes dryer and clothes dryer Download PDFInfo
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- CN216077726U CN216077726U CN202122003808.3U CN202122003808U CN216077726U CN 216077726 U CN216077726 U CN 216077726U CN 202122003808 U CN202122003808 U CN 202122003808U CN 216077726 U CN216077726 U CN 216077726U
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Abstract
The utility model discloses a spiral case component of a clothes dryer and the clothes dryer, comprising: the volute is arranged on the rear plate; an air inlet cavity and an air outlet cavity which are communicated with each other are arranged on the volute; the rear plate is provided with an air inlet and an air outlet, the air inlet cavity is communicated with the air inlet, and the air outlet cavity is communicated with the air outlet; a first volute tongue is arranged between the air inlet cavity and the air outlet cavity, a second volute tongue is arranged between the air inlet and the air outlet, and the first volute tongue and the second volute tongue are oppositely arranged; the side wall of the air inlet cavity is of an Archimedes spiral structure, the first end of the Archimedes spiral structure is connected with the first volute tongue, the second end of the Archimedes spiral structure is connected with the air outlet cavity, and due to the arrangement of arcs among the first volute tongue, the volute side wall and the bottom surface, air flows more smoothly, energy loss is reduced, drying efficiency is accelerated, meanwhile, the air outlet cavity can be arranged to be smaller, so that material usage is reduced, heat loss is reduced, and drying efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of clothes dryers, in particular to a spiral case assembly of a clothes dryer and the clothes dryer.
Background
The clothes dryer is a cleaning household appliance which can instantly evaporate and dry moisture in washed clothes in an electric heating mode, and is a household appliance commonly used in daily life of people.
At present, a clothes dryer generally adopts a centrifugal impeller and a volute to circulate air, and air sucked from the impeller flows into a volute cavity along an air inlet of the volute and then flows into a drum from an air outlet of the volute. The air outlet of the volute is often designed into a large round opening, and the diameter of the round opening is slightly smaller than that of the inner cylinder of the clothes dryer. The volute generally has the following disadvantages: backflow snails can be formed in the drying process to cause a large amount of heat loss, and the drying efficiency is influenced.
Therefore, the prior art still needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems that a volute assembly of a clothes dryer and the clothes dryer are provided aiming at overcoming the defects in the prior art, and the technical problems that in the prior art, a backflow volute is formed in a drying process of the volute with a large round opening at an air outlet of the clothes dryer, so that heat loss is large and drying efficiency is low are solved.
In a first aspect, the present application provides a dryer volute assembly, comprising:
the volute is arranged on the rear plate;
an air inlet cavity and an air outlet cavity which are communicated with each other are arranged on the volute; the rear plate is provided with an air inlet and an air outlet, the air inlet cavity is communicated with the air inlet, and the air outlet cavity is communicated with the air outlet;
a first volute tongue is arranged between the air inlet cavity and the air outlet cavity, a second volute tongue is arranged between the air inlet and the air outlet, and the first volute tongue and the second volute tongue are oppositely arranged;
the side wall of the air inlet cavity is of an Archimedes spiral structure, the first end of the Archimedes spiral structure is connected with the first volute tongue, and the second end of the Archimedes spiral structure is connected with the air outlet cavity.
Optionally, the side wall of the air outlet cavity includes:
the first side wall and the second side wall are positioned on one side of the air outlet cavity close to the first volute tongue;
wherein the first side wall is connected with the first volute tongue, and the first side wall and the second side wall are connected through an arc-shaped side wall.
Optionally, the side wall of the air outlet cavity further includes:
the third side wall is positioned on one side, far away from the first volute tongue, of the wind outlet cavity;
a tangent line extends from the second end of the Archimedes spiral structure, and the third side wall is connected with the side wall of the air inlet cavity through the tangent line.
Optionally, the side wall of the air outlet cavity further includes:
a fourth sidewall disposed between the second sidewall and the third sidewall;
one side of the air outlet cavity, which is far away from the air inlet cavity, is provided with an arc-shaped plate, and the bottom surface of the air outlet cavity is connected with the fourth side wall through the arc-shaped plate.
Optionally, the side wall and the bottom surface of the volute; the side wall of the volute and the arc-shaped plate are connected by adopting arcs with variable radiuses;
the air inlet cavity is a small circular arc, the air outlet cavity is a large circular arc, and two ends of the small circular arc gradually change to the large circular arc at the first volute tongue and the third side wall respectively.
Optionally, a bearing seat is further disposed on the rear plate, and the bearing seat is used for supporting a rotating shaft of an inner cylinder of the clothes dryer;
the bearing seat and the volute are arranged in a staggered mode.
Optionally, the volute and the rear plate are fixedly connected through screws or buckles.
Optionally, the volute and the rear plate are bonded by a seal.
Optionally, an impeller is arranged in the air inlet cavity, and the first volute tongue and the second volute tongue are V-shaped.
Optionally, a heat preservation cotton is attached to one surface, away from the rear plate, of the volute.
In a second aspect, the present application provides a clothes dryer comprising a dryer volute assembly as described in any one of the above claims.
Has the advantages that: the utility model provides a spiral case component of a clothes dryer and the clothes dryer, comprising: the volute is arranged on the rear plate; an air inlet cavity and an air outlet cavity which are communicated with each other are arranged on the volute; the rear plate is provided with an air inlet and an air outlet, the air inlet cavity is communicated with the air inlet, and the air outlet cavity is communicated with the air outlet; a first volute tongue is arranged between the air inlet cavity and the air outlet cavity, a second volute tongue is arranged between the air inlet and the air outlet, and the first volute tongue and the second volute tongue are oppositely arranged; in the scheme, the air flows more smoothly due to the arrangement of the arcs among the first volute tongue, the volute side wall and the bottom surface, energy loss is reduced, noise is reduced, and drying efficiency is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments or the background art of the present application, the drawings required to be used in the embodiments or the background art of the present application will be described below.
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present application and, together with the description, serve to explain the principles of the application.
FIG. 1 is a schematic view of a first construction of a dryer volute assembly of the present application;
FIG. 2 is a schematic view of a volute of a dryer volute assembly of the present application;
FIG. 3 is a schematic view of a back plate of a volute assembly of a clothes dryer according to the present application;
FIG. 4 is a second schematic view of a dryer volute assembly of the present application;
FIG. 5 is a schematic diagram of a third construction of a dryer volute assembly of the present application.
Reference numerals: 100. a back plate; 110. an air inlet; 120. an air outlet; 130. a second volute tongue; 140. a bearing seat; 200. a volute; 210. an air inlet cavity; 211. an archimedes spiral structure; 220. an air outlet cavity; 230. a first volute tongue; 201. a first side wall; 202. a second side wall; 203. a third side wall; 204. a fourth side wall; 205. an arcuate sidewall; 206. an arc-shaped plate; 300. a seal member; 400. an impeller; 500. and (5) heat preservation cotton.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application clearer and clearer, the present application is further described in detail below by referring to the accompanying drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
In the description of the application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "horizontal", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application.
Furthermore, the terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.
In the application, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may comprise the first and second features being in direct contact, or may comprise the first and second features being in contact not directly but via another feature in between. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
The existing clothes dryers generally adopt a centrifugal impeller and a volute to circulate air, and air sucked from the impeller flows into a volute cavity along an air inlet of the volute and then flows into a drum from an air outlet of the volute. The air outlet of the volute is often designed into a large round opening, and the diameter of the round opening is slightly smaller than that of the inner cylinder of the clothes dryer. The volute generally has the following disadvantages: backflow snails can be formed in the drying process to cause a large amount of heat loss, and the drying efficiency is influenced. The large area of the volute causes the defects of large heat loss, large material consumption, no environmental protection and the like; meanwhile, as the air outlet is large, when airflow enters the inner barrel from the air outlet, backflow vortex can be generated when the airflow passes through the bearing seat, which is not beneficial to air flow and influences drying efficiency.
Based on this, the present application intends to provide a solution to the above technical problem, the details of which will be explained in the following embodiments.
The spiral casing assembly of the clothes dryer and the clothes dryer provided by the embodiment of the present application are described in detail below with reference to fig. 1 to 5 through specific embodiments and application scenarios thereof.
The present application provides a dryer volute 200 assembly comprising: the volute comprises a rear plate 100 and a volute 200, wherein the volute 200 is arranged on the rear plate 100; an air inlet cavity 210 and an air outlet cavity 220 which are communicated with each other are arranged on the volute 200; an air inlet 110 and an air outlet 120 are arranged on the rear plate 100, the air inlet cavity 210 is communicated with the air inlet 110, and the air outlet cavity 220 is communicated with the air outlet 120; a first volute tongue 230 is arranged between the air inlet cavity 210 and the air outlet cavity 220, a second volute tongue 130 is arranged between the air inlet 110 and the air outlet 120, and the first volute tongue 230 and the second volute tongue 130 are oppositely arranged; the side wall of the air inlet cavity 210 is an archimedes spiral structure 211, a first end of the archimedes spiral structure 211 is connected to the first volute tongue 230, and a second end of the archimedes spiral structure 211 is connected to the air outlet cavity 220.
As shown in fig. 1, the scroll case 200 assembly includes a back plate 100 and a scroll case 200, the back plate 100 and the scroll case 200 are separately molded, and the scroll case 200 is mounted on the back plate 100 when being mounted, thereby assembling the scroll case 200 assembly. Specifically, the volute 200 and the rear plate 100 may be detachably assembled together by screws or snaps.
The first volute tongue 230 and the second volute tongue 130 are respectively located on the volute 200 and the rear plate 100, the first volute tongue 230 and the second volute tongue 130 are oppositely arranged, and the assembled volute 200 and the rear plate 100 should ensure that the first volute tongue 230 and the second volute tongue 130 are tightly attached to each other, in a preferred embodiment, the first volute tongue 230 and the volute 200 are integrally formed, and the second volute tongue 130 and the rear plate 100 are integrally formed.
The first volute tongue 230 is arranged between the air outlet cavity 220 and the air inlet cavity 210, the cross section of the first volute tongue 230 is V-shaped, and the whole V-shaped volute tongue is in an arc streamline design, so that the resistance is small when air flows, the air flows more smoothly in the volute 200, the loss is reduced, and the noise is reduced.
The section of the peripheral side wall of the air inlet cavity 210 is formed by an Archimedes spiral structure 211, an impeller 400 is installed inside the air inlet cavity 210, the impeller 400 is driven by a motor to rotate, hot air is sucked from a heat pump assembly, and then flows into the air outlet cavity 220 from the air inlet cavity 210 and enters the inner cylinder of the clothes dryer through the air outlet 120 of the back plate 100 to dry clothes.
It should be noted that, in the present embodiment, since the air outlet chamber 220 is communicated with the air inlet chamber 210, the distance that the air flows in the scroll 200 can be reduced, and the heat loss can be reduced.
On the basis of the above embodiment, in order to further avoid the formation of the backflow volute inside the volute 200, the side wall of the outlet chamber 220 includes: a first side wall 201 and a second side wall 202, wherein the first side wall 201 and the second side wall 202 are positioned on one side of the air outlet cavity 220 close to the first volute tongue 230; wherein the first sidewall 201 is connected to the first volute tongue 230, and the first sidewall 201 and the second sidewall 202 are connected by an arc-shaped sidewall 205.
As shown in fig. 2, the first sidewall 201 and the second sidewall 202 are disposed near the first volute tongue 230, a certain included angle is formed between the first sidewall 201 and the second sidewall 202, and the first sidewall 201 and the second sidewall 202 are connected by the arc-shaped sidewall 205, so as to reduce the volume of the air outlet cavity 220, and also effectively prevent the airflow from generating a backflow volute in the air outlet cavity 220.
Preferably, the first sidewall 201, the second sidewall 202, and the arc-shaped sidewall 205 are integrally formed.
It is worth noting that, in the present embodiment, the air outlet cavity 220 may be set to be smaller (about 1/4 compared with the conventional circular air outlet cavity 220), so that the material usage amount may be reduced, and meanwhile, the heat loss is small, and since the air outlet cavity 220 is smaller, the hot air coming out of the air outlet 120 may generate a larger air speed to blow to the clothes, so that the clothes are dried more easily, and energy is saved more. And because after having set up first lateral wall 201, second lateral wall 202 and arc lateral wall 205, the flow of air in air-out chamber 220 can not be influenced yet to the less of setting up air-out chamber 220, can avoid forming backward flow spiral shell after the less of setting up air-out chamber 220.
On the basis of the above embodiment, the side wall of the air outlet cavity 220 further includes: a third sidewall 203, the third sidewall 203 being located on a side of the air outlet cavity 220 away from the first volute tongue 230; a tangent line extends from a second end of the archimedes spiral structure 211, and the third side wall 203 is connected with the side wall of the air inlet cavity 210 through the tangent line.
As shown in fig. 2, the third sidewall 203 is located on a side of the wind outlet cavity 220 away from the first volute tongue 230, that is, the third sidewall 203 is located on an opposite side of the first sidewall 201 or the second sidewall 202, and the third sidewall 203 may be linearly disposed.
On the basis of the above embodiment, the side wall of the air outlet cavity 220 further includes: a fourth sidewall 204, wherein the fourth sidewall 204 is disposed between the second sidewall 202 and the third sidewall 203; an arc-shaped plate 206 is arranged on one side of the air outlet cavity 220, which is far away from the air inlet cavity 210, and the bottom surface of the air outlet cavity 220 is connected with the fourth side wall 204 through the arc-shaped plate 206.
As shown in fig. 2, the fourth sidewall 204 connects the second sidewall 202 and the third sidewall 203, and the opening of the air outlet cavity 220 is gradually increased along one side of the fourth sidewall 204, preferably, an arc-shaped chamfer is provided at the connection between the second sidewall 202 and the fourth sidewall 204, and an arc-shaped chamfer is provided at the connection between the third sidewall 203 and the fourth sidewall 204, so that the resistance is small when the air flows, the air flows more smoothly in the scroll casing 200, and the energy loss is reduced.
The air outlet chamber 220 is connected with the fourth side wall 204 through an arc-shaped plate 206, and the closer the arc-shaped plate 206 is to the fourth side wall 204, the smaller the vertical distance between the arc-shaped plate 206 and the side wall of the air outlet chamber 220 is. The large arc-shaped plate 206 further facilitates the air flow in the air outlet cavity 220, and the backflow volute is not easy to generate.
On the basis of the above embodiment, the side wall and the bottom surface of the scroll casing 200; and the side wall of the volute 200 and the arc-shaped plate 206 are connected by arcs with variable radiuses, the air inlet chamber 210 is a small arc, the air outlet chamber 220 is a large arc, and two ends of the small arc gradually change to the large arc at the positions of the first volute tongue 230 and the third side wall 203 respectively, so that the resistance of air flowing is reduced, the air flowing is smoother, and the generation of vortex is avoided.
On the basis of the above embodiment, the back plate 100 is further provided with a bearing seat 140, and the bearing seat 140 is used for supporting the rotating shaft of the inner drum of the clothes dryer; the bearing housing 140 is offset from the volute 200.
As shown in fig. 3 and 4, since the air outlet cavity 220 can be arranged very small in this embodiment, the air outlet cavity 220 and the bearing seat 140 can be arranged in a staggered manner, that is, the air outlet cavity 220 is arranged below the bearing seat 140, and the bearing seat 140 is arranged on the rear plate 100 corresponding to the rotation center of the inner cylinder and used for supporting the rotation shaft of the inner cylinder. The air outlet 120 is formed in the position, corresponding to the air outlet cavity 220, of the rear plate 100, the sectional area of the air outlet 120 is relatively small, and high air speed is generated to blow the clothes, so that the clothes are dried more easily, and energy is saved. And the wind from the wind outlet cavity 220 directly blows to the inner cylinder without passing through the bearing seat 140 and the support rib locking the bearing seat 140, no backflow vortex is generated, and the drying efficiency is improved. And because the bearing housing 140 is not in contact with the hot humid gas, the bearing life within the bearing housing 140 may be longer.
On the basis of the above embodiment, the volute 200 and the rear plate 100 are bonded by the seal 300.
As shown in fig. 5, a sealing member 300 is disposed at a contact surface between the scroll casing 200 and the rear plate 100, and specifically, the sealing member 300 may be made of a heat-resistant material to prevent the sealing between the scroll casing 200 and the rear plate 100 and prevent the tight connection between the scroll casing 200 and the rear plate 100 from causing energy loss.
On the basis of the above embodiment, the thermal insulation cotton 500 is attached to the surface of the volute 200 facing away from the rear plate 100.
As shown in fig. 1 and 5, the insulation cotton 500 is adhered to the back surface of the scroll casing 200, and the insulation cotton 500 has an insulation effect, so that heat loss during the drying process of the laundry is prevented, and noise generated from the impeller 400 can be reduced.
The application also provides a clothes dryer, which comprises the spiral case 200 component of the clothes dryer in any technical scheme, and the spiral case 200 component of the clothes dryer in the technical scheme is included, so that all the beneficial effects of the technical scheme are achieved. The specific advantages have been described in detail above, and are not repeated herein.
In summary, the present invention provides a spiral casing assembly of a clothes dryer and the clothes dryer, comprising: the volute is arranged on the rear plate; an air inlet cavity and an air outlet cavity which are communicated with each other are arranged on the volute; the rear plate is provided with an air inlet and an air outlet, the air inlet cavity is communicated with the air inlet, and the air outlet cavity is communicated with the air outlet; a first volute tongue is arranged between the air inlet cavity and the air outlet cavity, a second volute tongue is arranged between the air inlet and the air outlet, and the first volute tongue and the second volute tongue are oppositely arranged; in the scheme, the first volute tongue is arranged to enable air to flow more smoothly, energy loss is reduced, noise is reduced, and drying efficiency is improved; the area of the air outlet cavity of the volute is small, the usage amount of small volute materials is small, and the volute is more environment-friendly; the heat loss is less, and more energy is saved. And because the arc-shaped side wall and the arc-shaped plate are arranged, the optimized volute structure does not generate backflow vortex inside, thereby avoiding heat loss caused by the backflow vortex and improving the drying efficiency. The bearing in the bearing seat is prevented from being eroded by damp-heat gas, and the service life of the bearing is prolonged. The air outlet is large in air speed, clothes are dried more easily, and energy is saved more.
The technical principle of the present invention is described above in connection with specific embodiments. The description is made for the purpose of illustrating the principles of the utility model and should not be construed in any way as limiting the scope of the utility model. Based on the explanations herein, those skilled in the art will be able to conceive of other embodiments of the present invention without inventive effort, which would fall within the scope of the present invention.
Claims (10)
1. A clothes dryer volute assembly, comprising:
the volute is arranged on the rear plate;
an air inlet cavity and an air outlet cavity which are communicated with each other are arranged on the volute; the rear plate is provided with an air inlet and an air outlet, the air inlet cavity is communicated with the air inlet, and the air outlet cavity is communicated with the air outlet;
a first volute tongue is arranged between the air inlet cavity and the air outlet cavity, a second volute tongue is arranged between the air inlet and the air outlet, and the first volute tongue and the second volute tongue are oppositely arranged;
the side wall of the air inlet cavity is of an Archimedes spiral structure, the first end of the Archimedes spiral structure is connected with the first volute tongue, and the second end of the Archimedes spiral structure is connected with the air outlet cavity.
2. The dryer volute assembly of claim 1, wherein the sidewall of the outlet chamber comprises:
the first side wall and the second side wall are positioned on one side of the air outlet cavity close to the first volute tongue;
wherein the first side wall is connected with the first volute tongue, and the first side wall and the second side wall are connected through an arc-shaped side wall.
3. The dryer volute assembly of claim 2, wherein the sidewall of the outlet chamber further comprises:
the third side wall is positioned on one side, far away from the first volute tongue, of the wind outlet cavity;
a second end of the archimedean spiral structure is tangent to the third sidewall.
4. The dryer volute assembly of claim 3, wherein the sidewall of the outlet chamber further comprises:
a fourth sidewall disposed between the second sidewall and the third sidewall;
one side of the air outlet cavity, which is far away from the air inlet cavity, is provided with an arc-shaped plate, and the bottom surface of the air outlet cavity is connected with the fourth side wall through the arc-shaped plate.
5. The dryer volute assembly of claim 4,
the side wall and the bottom surface of the volute; the side wall of the volute and the arc-shaped plate are connected by adopting arcs with variable radiuses;
the air inlet cavity is a small circular arc, the air outlet cavity is a large circular arc, and two ends of the small circular arc gradually change to the large circular arc at the first volute tongue and the third side wall respectively.
6. The dryer volute assembly of claim 1, wherein the back plate further comprises a bearing seat for supporting a rotation shaft of an inner drum of the dryer;
the bearing seat and the volute are arranged in a staggered mode.
7. The clothes dryer volute assembly of claim 1, wherein the volute is fixedly connected to the back plate by screws or snaps, and the volute and the back plate are bonded by a seal.
8. The clothes dryer volute assembly of claim 1, wherein an impeller is disposed within the air inlet chamber, and the first and second volute tongues are each "V" shaped.
9. The spiral casing assembly of the clothes dryer according to any one of claims 1 to 8, wherein a face of the spiral casing facing away from the rear plate is adhered with insulation cotton.
10. Clothes dryer characterized in that it comprises a clothes dryer volute assembly according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122003808.3U CN216077726U (en) | 2021-08-24 | 2021-08-24 | Spiral case assembly of clothes dryer and clothes dryer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122003808.3U CN216077726U (en) | 2021-08-24 | 2021-08-24 | Spiral case assembly of clothes dryer and clothes dryer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216077726U true CN216077726U (en) | 2022-03-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122003808.3U Active CN216077726U (en) | 2021-08-24 | 2021-08-24 | Spiral case assembly of clothes dryer and clothes dryer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216077726U (en) |
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2021
- 2021-08-24 CN CN202122003808.3U patent/CN216077726U/en active Active
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