CN210686433U - Volute air inlet reinforcing structure and air conditioner - Google Patents
Volute air inlet reinforcing structure and air conditioner Download PDFInfo
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- CN210686433U CN210686433U CN201920813797.5U CN201920813797U CN210686433U CN 210686433 U CN210686433 U CN 210686433U CN 201920813797 U CN201920813797 U CN 201920813797U CN 210686433 U CN210686433 U CN 210686433U
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Abstract
The utility model provides a spiral case air intake additional strengthening, including spiral case and enhancement strip, be equipped with the through-flow fan in the spiral case, form the wind channel between spiral case and the through-flow fan, be equipped with air intake and air outlet on the spiral case, the air intake has back spiral tongue and preceding spiral tongue, preceding spiral tongue and back spiral tongue are on a parallel with the axial of through-flow fan, be equipped with at least one on the back spiral tongue strengthen the strip, strengthen the strip and be used for following the axial of through-flow fan is strengthened back spiral tongue, spiral case air intake additional strengthening and air conditioner have simple structure, the installation is swift with the assembly, extensive applicability, and can effectively avoid the advantage that surge and abnormal sound produced.
Description
Technical Field
The utility model relates to an air conditioning technology field, in particular to spiral case air intake additional strengthening and air conditioner.
Background
For vertical cabinet air-conditioning products, a cross-flow fan is usually arranged in an indoor unit of the vertical cabinet air-conditioning product, a volute is arranged outside the cross-flow fan, an air duct is formed between the volute and the cross-flow fan, an air inlet and an air outlet are arranged on the volute, and air enters the cross-flow fan from the air inlet on the volute and then is discharged from the air outlet on the volute through the cross-flow fan under the action of the cross-flow fan.
Because the vertical cabinet air conditioner product is higher in height and heavier, and the volute is made of plastic generally and is lower in hardness and strength, the volute is easy to deform in the long-term use process of the air conditioner. Particularly, the air inlet of the volute is easy to deform due to large hollow area, lack of powerful support, airflow disorder and large pressure difference at the air inlet.
If the air inlet of the volute is deformed, the air inlet duct formed between each part of the air inlet of the volute and the cross-flow fan in the axial direction of the cross-flow fan is different in width, so that the air flow entering the air inlet duct is different in the axial direction of the cross-flow fan, surging and abnormal sound are easily generated in the using process of the air conditioner, the service life of the air conditioner is prolonged, and the use experience of a user is reduced.
The prior art discloses an air conditioner, as shown in fig. 1 and 2, including a casing, a cross-flow fan disposed in the casing, a volute and a volute tongue, wherein the volute and the volute tongue are connected to form an air duct, the air duct includes an air inlet and an air outlet, the cross-flow fan is fixedly disposed in the air duct, a first reinforcement member for reinforcing structural strength is disposed on an outer surface of the volute outside the air duct, a second reinforcement member for reinforcing structural strength is also disposed on an outer surface of the volute tongue outside the air duct, and the first reinforcement member and the second reinforcement member are disposed along an axial direction of the cross-flow fan. This structure has improved the intensity of spiral case to a certain extent through the setting of first reinforcement and second reinforcement, but surge, abnormal sound production occasionally still, and the supporting role of reinforcement is more weak, can't realize the long-term stable air inlet in air conditioner wind channel.
Therefore, it is an urgent technical problem to be solved by those skilled in the art to provide a volute air inlet reinforcing structure and an air conditioner to avoid surge and abnormal sound and realize stable air inlet of an air conditioning duct.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a design out spiral case air intake additional strengthening and air conditioner, strengthen spiral case air intake department to improve the intensity of spiral case air intake department, realize the stable air inlet in air conditioner wind channel, avoid the air conditioner in the use, produce surge, abnormal sound, reduce air conditioner life and user and use experience.
In order to solve the problem, the utility model discloses a spiral case air intake additional strengthening, including spiral case and enhancement strip, be equipped with the cross-flow fan in the spiral case, form the wind channel between spiral case and the cross-flow fan, be equipped with air intake and air outlet on the spiral case, the air intake has back spiral tongue and preceding spiral tongue, preceding spiral tongue and back spiral tongue are on a parallel with the axial of cross-flow fan, be equipped with at least one on the back spiral tongue strengthen the strip, strengthen the strip and be used for following the axial of cross-flow fan is strengthened back spiral tongue.
The utility model discloses a set up in one side of keeping away from the air outlet at the air intake and strengthen the strip, can effectively improve the intensity of air intake, avoid the air intake in the use of air conditioner, produce deformation, and then lead to the production of surge, abnormal sound, influence air conditioner life and user and use experience.
Furthermore, the reinforcing strips are arranged in parallel to the axial direction of the cross flow fan, mounting grooves of the reinforcing strips are arranged on the outer surface of the rear volute tongue, which is far away from the air channel, the mounting grooves comprise two groove walls which are arranged in parallel relatively and a groove bottom formed by the outer surface of the rear volute tongue, and the reinforcing strips are mounted in a containing cavity formed by the two groove walls.
Through the arrangement of the mounting groove, a containing cavity for containing the reinforcing strip is formed on the outer surface of the rear volute tongue, so that the reinforcing strip can be quickly and accurately installed and fixed conveniently, and the mounting groove can also play a role in reinforcing the rear volute tongue.
Furthermore, a screw column and a strip-shaped reinforcing rib are arranged in the mounting groove.
Through the setting of screw post, make the enhancement strip is connected more firmly with the mounting groove. The arrangement of the reinforcing ribs can simultaneously play a role in reinforcing the rear volute tongue and the mounting groove.
Furthermore, the reinforcing ribs are arranged in parallel to the axial direction of the cross flow fan, and the screw columns are positioned on the reinforcing ribs.
Through set up the screw post on the strengthening rib, can play the reinforcing action to the screw post through the strengthening rib.
Furthermore, the reinforcing strip comprises a bottom surface, a first side wall and a second side wall, the first side wall and the second side wall are arranged on two sides of the bottom surface, the reinforcing strip is of a groove-shaped structure, the reinforcing strip is buckled on the outer surface, far away from the air duct, of the rear volute tongue, and the first side wall and the second side wall are in contact with the outer surface, far away from the air duct, of the rear volute tongue.
Due to the arrangement of the first side wall and the second side wall, on one hand, the strength of the reinforcing strip can be improved; in another aspect, an outer surface of the volute can be supported by the first and second sidewalls, respectively.
Furthermore, a first folding edge is arranged at one end, far away from the bottom surface, of the first side wall, and the first folding edge extends from the end part of the first side wall to one side, far away from the second side wall; and a second folded edge is arranged at one end, far away from the bottom surface, of the second side wall, and extends from the end part of the second side wall to one side, far away from the first side wall.
The strength of the reinforcing strip is further improved by the arrangement of the second folding edge of the first folding edge.
Furthermore, after the reinforcing strip is buckled on the outer surface of the rear volute tongue, which is far away from the air duct, the first folding edge and the second folding edge are in contact with the groove wall or the bottom of the mounting groove.
And the rear volute tongue of the volute is supported by the first folded edge and the second folded edge respectively, so that the supporting area of the reinforcing strip on the rear volute tongue is increased, and the stress is uniform.
Furthermore, a reinforcing ring is arranged on the reinforcing strip, and the reinforcing ring is an annular bulge or groove arranged on the bottom surface of the reinforcing strip.
The reinforcing ring is arranged, so that the strength of the reinforcing strip can be improved.
Furthermore, the reinforcing strip is provided with a positioning hole, the positioning hole is a through hole arranged on the bottom surface of the reinforcing strip, a positioning column is correspondingly arranged in the mounting groove, and the positioning column is a columnar bulge arranged in the mounting groove.
When the reinforcing strip is assembled and connected with the volute, the positioning column can penetrate into the positioning hole to position and guide the installation of the reinforcing strip, and after the reinforcing strip is assembled with the volute, the positioning column can fix and limit the reinforcing strip.
The invention also discloses an air conditioner which is provided with the volute casing air inlet reinforcing structure.
Spiral case air intake additional strengthening and air conditioner have simple structure, the installation is swift with the assembly, extensive applicability, and can effectively avoid the advantage that surge and abnormal sound produced.
Drawings
FIG. 1 is a schematic view of a prior art volute reinforcing structure;
FIG. 2 is a schematic structural view of a reinforcement member of a prior art volute;
FIG. 3 is a schematic view of an installation structure of the volute and the reinforcing bar according to the embodiment of the present invention;
FIG. 4 is an enlarged view of a portion of area A of FIG. 3;
FIG. 5 is an enlarged partial view of the area B in FIG. 3;
FIG. 6 is an enlarged partial view of the area C in FIG. 3;
fig. 7 is a schematic structural view of a reinforcing strip according to an embodiment of the present invention;
FIG. 8 is an enlarged partial view of region D of FIG. 7;
fig. 9 is a partially enlarged schematic view of a region E in fig. 7.
Description of reference numerals:
1-volute casing, 11-air inlet, 12-front volute tongue, 13-rear volute tongue, 14-mounting groove, 141-screw column, 142-groove wall, 143-reinforcing rib, 144-positioning column, 15-air outlet, 2-reinforcing strip, 21-screw hole, 22-reinforcing ring, 23-bottom surface, 24-first side wall, 25-second side wall, 26-first folding edge, 27-second folding edge and 28-positioning hole.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention more comprehensible, embodiments accompanied with figures are described in detail below.
Embodiment 1, as shown in fig. 3-9, the utility model discloses a spiral case air intake additional strengthening, including spiral case 1 and enhancement strip 2, be equipped with the cross-flow fan in the spiral case 1, form the wind channel between spiral case 1 and the cross-flow fan, be equipped with air intake 11 and air outlet 15 on the spiral case 1, the air can be followed air intake 11 gets into the cross-flow fan, later follow air outlet 15 discharges. The air inlet 11 is provided with a rear volute tongue 13 and a front volute tongue 12, the rear volute tongue 13 and the front volute tongue 12 are arranged in parallel to the axial direction of the cross-flow fan, the front volute tongue 12 is positioned on one side close to the air outlet 15, the rear volute tongue 13 is positioned on one side far away from the air outlet 15, the air inlet 11 and the air outlet 15 are respectively formed on two sides of the front volute tongue 12, the reinforcing strip 2 is positioned on the rear volute tongue 13, and the reinforcing strip 2 is used for reinforcing the rear volute tongue 13 along the axial direction of the cross-flow fan.
Preferably, the reinforcing bars 2 are arranged parallel to the axial direction of the cross flow fan.
The utility model discloses a set up in one side of keeping away from air outlet 15 at air intake 11 and strengthen strip 2, can effectively improve the intensity of air intake 11, avoid air intake 11 in the use of air conditioner, produce deformation, and then lead to the production of surge, abnormal sound, influence air conditioner life and user and use experience.
In the prior art, the reinforcement is provided on the outer surface of the volute and the volute tongue, wherein the reinforcement on the outer surface of the volute may be located near the air inlet, or near the air outlet, and preferably near the air inlet.
However, in the use process of the air conditioner, the root cause of the generation of surge and abnormal sound is that after the air inlet of the volute 1 is deformed, the widths of the air inlet channels formed between each part of the air inlet 11 of the volute and the cross-flow fan are different, so that the air flow entering the air inlet channels in the axial direction of the cross-flow fan is different, and further the surge and the abnormal sound are caused. Therefore, if the reinforcement member is simply provided on the outer surface of the scroll casing, particularly near the air inlet, the generation of surge and abnormal noise cannot be avoided or alleviated.
In addition, in the rear volute tongue 13 and the front volute tongue 12 of the volute 1, because the front volute tongue 12 is close to the air outlet 15, and the structure of the air outlet 15 is complex, and the front volute tongue 12 is generally provided with structures such as volute tongues, wind combing teeth and air deflectors, and the structures are mutually connected and matched and can indirectly provide support for the volute 1 or play a role in enhancing the strength of the volute 1, therefore, the strength of the front volute tongue 12 can generally meet the requirement and is not easy to deform; the rear volute tongue 13 of the volute 1 basically has no support structure, is the weakest area on the air inlet 11, and is also the main reason for causing surge and abnormal sound. Therefore, the reinforcing strip 2 arranged on the rear volute tongue 13 can provide the most effective reinforcing effect for the air inlet 11, and the generation of surging and abnormal sound is avoided.
Further, the reinforcing strip 2 is arranged on the outer surface of the rear volute tongue 13 far away from the air duct.
The reinforcing strip 2 is arranged on the outer surface of the rear volute tongue 13, and compared with other surfaces of the rear volute tongue 13, the influence on the width of an air channel caused by the arrangement of the reinforcing strip 2 can be avoided, and the generation of surge and abnormal sound can be avoided by additionally arranging the reinforcing strip 2 on the existing volute on the basis of the existing volute, so that the application range is wide.
Further, the reinforcing bar 2 comprises a bottom surface 23, a first side wall 24 and a second side wall 25, wherein the first side wall 24 and the second side wall 25 are vertically arranged on two sides of the bottom surface 23 along the axial direction of the cross flow fan, so that the cross section of the reinforcing bar 2 is in a U-shaped groove-shaped structure. The first side wall 24 and the second side wall 25 are different in height in a direction perpendicular to the bottom surface 23. So that when the reinforcing strip 2 is fastened to the scroll casing 1, the bottom surface 23 is located on the side of the reinforcing strip 2 away from the scroll casing 1, and the first side wall 24 and the second side wall 25 can contact and support the outer surface of the rear volute tongue 13.
The first side wall 24 and the second side wall 25 are arranged, so that on one hand, the strength of the reinforcing strip 2 can be improved; on the other hand, the outer surface of the scroll casing 1 can be supported by the first and second side walls 24 and 25, respectively.
Furthermore, the outer surface of the rear volute tongue 13 far away from the air duct is provided with a mounting groove 14 of the reinforcing strip 2. The installation groove 14 is arranged parallel to the axial direction of the cross flow fan, the installation groove 14 comprises two groove walls 142 which are arranged in parallel relatively and a groove bottom part formed by the outer surface of the rear volute tongue 13, and the reinforcing bar 2 is arranged in a containing cavity formed by the two groove walls 142.
Preferably, the groove wall 142 is vertically arranged on the outer surface of the rear volute tongue 13 far away from the air duct.
Through the arrangement of the mounting groove 14, an accommodating cavity for accommodating the reinforcing strip 2 is formed on the outer surface of the rear volute tongue 13, so that the reinforcing strip 2 can be quickly and accurately mounted and fixed conveniently, and the mounting groove 14 can also play a role in reinforcing the rear volute tongue 13.
Further, be equipped with screw post 141 in the mounting groove 14, it is corresponding, be equipped with screw hole 21 on strengthening the strip 2, screw post 141 and screw hole 21 pass through the screw connection.
The arrangement of the screw post 141 and the screw hole 21 makes the connection between the reinforcing bar 2 and the mounting groove 14 more stable.
As some embodiments of the present invention, a plurality of screw posts 141 are disposed in the mounting groove 14, the screw posts 141 are parallel to the axial distribution of the cross flow fan, and the screw holes 21 are located on the bottom surface 23 of the reinforcing bar 2. The screw columns 141 arranged in parallel with the axial direction of the cross flow fan enable the connection points of the reinforcing bars 2 and the mounting grooves 14 to be uniformly distributed.
As some embodiments of the present invention, a strip-shaped reinforcing rib 143 is disposed in the mounting groove 14. Preferably, the reinforcing rib 143 is disposed parallel to an axial direction of the cross flow fan, and more preferably, the screw post 141 is located on the reinforcing rib 143.
The rear volute tongue 13 and the mounting groove 14 can be reinforced simultaneously by the arrangement of the reinforcing rib 143, and further, the screw post 141 can be reinforced by the reinforcing rib 143 by arranging the screw post 141 on the reinforcing rib 143.
Further, a first folding edge 26 is arranged at one end of the first side wall 24 away from the bottom surface 23, and the first folding edge 26 extends from the end of the first side wall 24 to one side away from the second side wall 25; one end of the second side wall 25, which is far away from the bottom surface 23, is provided with a second flange 27, and the second flange 27 extends from the end of the second side wall 25 to the side far away from the first side wall 24, so that the cross section of the reinforcing strip 2 has a structure like a Chinese character ji. After the reinforcing strip 2 is fastened on the outer surface of the rear volute tongue 13 away from the air duct, the first folded edge 26 and the second folded edge 27 can contact with and support the wall 142 of the mounting groove 14 or the outer surface of the volute 1.
By the arrangement of the second fold 27 of the first fold 26, on the one hand, the strength of the reinforcing strip 2 is further increased; on the other hand, the rear volute tongue 13 of the volute casing 1 can be supported by the first folding edge 26 and the second folding edge 27, so that the supporting area of the reinforcing strip 2 on the rear volute tongue 13 is increased, and the stress is uniform.
As some embodiments of the present invention, the reinforcing strip 2 is provided with a reinforcing ring 22, the reinforcing ring 22 is an annular protrusion or a groove on the bottom surface 23 of the reinforcing strip 2, the setting of the reinforcing ring 22 can improve the strength of the reinforcing strip 2.
As some embodiments of the utility model, be equipped with locating hole 28 on strengthening strip 2, locating hole 28 is for setting up through-hole on strengthening strip 2's the bottom surface 23 corresponds, be equipped with reference column 144 in the mounting groove 14, reference column 144 is for setting up column arch in the mounting groove 14 works as strengthen strip 2 with during spiral case 1 be assembled between/be connected, reference column 144 can go deep in the locating hole 28, right strengthen strip 2's installation is fixed a position the direction strengthen strip 2 with after spiral case 1 assembles the completion, reference column 144 can be right strengthen strip 2 is fixed with spacing.
Example 2
The utility model also provides an air conditioner, air conditioner has foretell spiral case 1, spiral case 1 has air intake 11 and air outlet 15, air intake 11 adopts foretell spiral case air intake additional strengthening to strengthen its intensity.
Spiral case air intake additional strengthening and air conditioner have simple structure, the installation is swift with the assembly, extensive applicability, and can effectively avoid the advantage that surge and abnormal sound produced.
Although the present invention is disclosed above, the present invention is not limited thereto. Various changes and modifications may be effected therein by one of ordinary skill in the pertinent art without departing from the scope or spirit of the present invention, and the scope of the present invention is defined by the appended claims.
Claims (10)
1. The volute air inlet reinforcing structure is characterized by comprising a volute (1) and reinforcing strips (2), wherein a cross-flow fan is arranged in the volute (1), an air channel is formed between the volute (1) and the cross-flow fan, an air inlet (11) and an air outlet (15) are formed in the volute (1), the air inlet (11) is provided with a front volute tongue (12) and a rear volute tongue (13), the rear volute tongue (13) and the front volute tongue (12) are parallel to the axial direction of the cross-flow fan, at least one reinforcing strip (2) is arranged on the rear volute tongue (13), and the reinforcing strips (2) are used for reinforcing the rear volute tongue (13) along the axial direction of the cross-flow fan.
2. The volute inlet reinforcing structure according to claim 1, wherein the reinforcing bar (2) is disposed parallel to an axial direction of the cross-flow fan, and a mounting groove (14) of the reinforcing bar (2) is disposed on an outer surface of the rear volute tongue (13) away from the air duct, the mounting groove (14) includes two groove walls (142) disposed in parallel and a groove bottom formed by an outer surface of the rear volute tongue (13), and the reinforcing bar (2) is mounted in a receiving cavity formed by the two groove walls (142).
3. The volute inlet reinforcing structure according to claim 2, wherein a screw post (141) and a bar-shaped reinforcing rib (143) are provided in the mounting groove (14).
4. The volute inlet plenum reinforcement structure of claim 3, wherein the rib (143) is disposed parallel to an axial direction of the cross flow fan, and the stud (141) is disposed on the rib (143).
5. The volute casing air inlet reinforcing structure is characterized in that the reinforcing strip (2) comprises a bottom surface (23), a first side wall (24) and a second side wall (25), the first side wall (24) and the second side wall (25) are arranged on two sides of the bottom surface (23), so that the reinforcing strip (2) is in a groove-shaped structure, the reinforcing strip (2) is buckled on the outer surface, away from the air duct, of the rear volute tongue (13), and the first side wall (24) and the second side wall (25) are in contact with the outer surface, away from the air duct, of the rear volute tongue (13).
6. The volute inlet strengthening structure of claim 5, wherein the end of the first sidewall (24) away from the bottom surface (23) is provided with a first flange (26), and the first flange (26) extends from the end of the first sidewall (24) to the side away from the second sidewall (25); one end, far away from the bottom surface (23), of the second side wall (25) is provided with a second folding edge (27), and the second folding edge (27) extends from the end part of the second side wall (25) to one side far away from the first side wall (24).
7. The volute inlet reinforcing structure according to claim 2 or 6, wherein the reinforcing strip (2) is fastened to the outer surface of the rear volute tongue (13) away from the air duct, and the first flange (26) and the second flange (27) are in contact with the groove wall (142) or the groove bottom of the mounting groove (14).
8. The volute inlet reinforcing structure according to claim 5, wherein the reinforcing strip (2) is provided with a reinforcing ring (22), and the reinforcing ring (22) is an annular protrusion or groove provided on a bottom surface (23) of the reinforcing strip (2).
9. The volute inlet reinforcing structure according to claim 2 or 5, wherein a positioning hole (28) is formed in the reinforcing strip (2), the positioning hole (28) is a through hole formed in the bottom surface (23) of the reinforcing strip (2), and correspondingly, a positioning column (144) is disposed in the mounting groove (14), and the positioning column (144) is a columnar protrusion disposed in the mounting groove (14).
10. An air conditioner, characterized in that the air conditioner is provided with the volute casing air inlet reinforcing structure as set forth in any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920813797.5U CN210686433U (en) | 2019-05-31 | 2019-05-31 | Volute air inlet reinforcing structure and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920813797.5U CN210686433U (en) | 2019-05-31 | 2019-05-31 | Volute air inlet reinforcing structure and air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN210686433U true CN210686433U (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920813797.5U Active CN210686433U (en) | 2019-05-31 | 2019-05-31 | Volute air inlet reinforcing structure and air conditioner |
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| Country | Link |
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| CN (1) | CN210686433U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586471A (en) * | 2021-07-21 | 2021-11-02 | 杭州微光电子股份有限公司 | Novel cross-flow fan of multipurpose |
-
2019
- 2019-05-31 CN CN201920813797.5U patent/CN210686433U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113586471A (en) * | 2021-07-21 | 2021-11-02 | 杭州微光电子股份有限公司 | Novel cross-flow fan of multipurpose |
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