Volute assembly and air conditioner module

Abstract

The utility model provides a volute assembly and an air conditioner module. The volute assembly comprises a first shell and a second shell, wherein the edge of the first shell is provided with a first joint part; and the edge of the second shell is provided with a second joint part, and the second joint part and the first joint part are matched with each other so as to assemble the first shell and the second shell. The first shell comprises a positioning groove, the positioning groove can contain a positioning protrusion of a partition plate which can be selectively arranged, and the partition plate can be installed between the first shell and the second shell. Through the structural design, the volute assembly can be selectively applied to a double-layer heating, ventilation and air conditioning module and a single-layer heating, ventilation and air conditioning module, the structure of the first shell applied to the two air conditioning modules can be kept unchanged, design and preparation of a mold are simplified, and cost is effectively reduced; meanwhile, the structures of the second shells applied to the two air conditioner modules are roughly the same, and different second shells can be prepared only by replacing individual inserts of the mold, so that the design change cost of the mold is effectively reduced.

Description

TECHNICAL FIELD

[0001] The present disclosure relates to a scroll casing assembly and an air conditioner module comprising the scroll casing assembly. BACKGROUND

[0002] For a double-layer heating ventilation air conditioner, the scroll casing assembly comprises an upper casing, a lower casing and a partition wall for separating the air duct into an upper layer and a lower layer, wherein the partition wall is sealingly sandwiched between the upper casing and the lower casing, and the upper casing and the lower casing are respectively provided with mutually cooperating locking members for fixing the upper casing and the lower casing. For a single-layer heating ventilation air conditioner, the scroll casing assembly only comprises an upper casing and a lower casing. If the upper casing and the lower casing of the double-layer heating ventilation air conditioner are directly used, after the two casings are fixed, due to the removal of the partition plate, a gap is left between the upper and lower casings, which cannot be sealed and thus causes air leakage.

[0003] In order to avoid the above-mentioned defects, at present, for a double-layer heating ventilation air conditioner and a single-layer heating ventilation air conditioner, the upper casing mold and the lower casing mold need to be prepared respectively, and the same mold cannot be used commonly, which leads to complex mold design and high cost.

[0004] Therefore, the technical personnel in the field are committed to developing a new scroll casing assembly and an air conditioner module to solve the above-mentioned defects of the prior art. CONTENT OF THE INVENTION

[0005] The purpose of the present disclosure is to provide a scroll casing assembly and an air conditioner module comprising the scroll casing assembly, by providing a first engaging portion at the edge of the first casing and a second engaging portion capable of closely cooperating with the first engaging portion at the edge of the second casing, the first casing and the second casing can be sealingly engaged; and by providing a positioning groove at the edge of the first casing, wherein the positioning groove can accommodate the positioning protrusion of the selectively provided partition plate, so that the scroll casing assembly can be selectively applied to a double-layer heating ventilation air conditioner module and a single-layer heating ventilation air conditioner module. In addition, the structure of the first casing of the scroll casing assembly applied to the above two air conditioner modules can remain unchanged, i.e. the first casings of the two can use the same mold to be prepared, which simplifies the design and preparation of the mold and effectively reduces the cost; at the same time, the structure of the second casing of the scroll casing assembly applied to the above two air conditioner modules is basically the same, only the individual inserts of the mold need to be replaced to prepare the different second casings, which effectively reduces the design change cost of the mold.

[0006] The present disclosure provides a scroll casing assembly, comprising: a first casing having a first engagement portion at an edge thereof; and a second casing having a second engagement portion at an edge thereof, the second engagement portion mating with the first engagement portion to assemble the first casing and the second casing and define an air passage inside thereof, wherein the first casing comprises a positioning groove capable of accommodating a positioning protrusion of a selectively disposable partition plate, the partition plate being mountable between the first casing and the second casing.

[0007] The scroll casing assembly according to the present disclosure can also have one or more of the following features, alone or in combination.

[0008] In one or more embodiments, the first engagement portion is a first groove extending along the edge of the first casing, and the second engagement portion is a first protrusion extending along the edge of the second casing, the first protrusion being sealably mounted into the first groove.

[0009] In one or more embodiments, the positioning groove is closer to an inner wall of the first casing than the first groove.

[0010] In one or more embodiments, the positioning groove is in communication with the first groove and forms a stepped groove, the positioning groove having a groove depth smaller than that of the first groove.

[0011] In one or more embodiments, the partition plate comprises: a partition plate body for partitioning the air passage; and the positioning protrusion connected to the partition plate body and positioned in the positioning groove.

[0012] In one or more embodiments, the first casing has at least one positioning groove spaced along the edge thereof, and the partition plate has at least one positioning protrusion corresponding to the positioning groove.

[0013] In one or more embodiments, the partition plate further comprises a turned-up flange abutting the inner wall of the first casing and the inner wall of the second casing and extending along a periphery of the partition plate body, the turned-up flange being between the positioning protrusion and the partition plate body.

[0014] In one or more embodiments, the first casing has a mounting aperture on an outer side wall thereof to selectively receive a mounting insert of the partition plate 30.

[0015] In one or more embodiments, the mounting insert comprises a resilient catch.

[0016] In one or more embodiments, the edge of the second casing has a notch allowing the mounting insert to pass to engage with the mounting aperture.

[0017] In one or more embodiments, the second engagement portion of the second housing has a blocking section that blocks the mounting opening in a sealed manner.

[0018] The present disclosure also provides an air conditioning module comprising the foregoing scroll assembly. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 is a perspective view of a scroll assembly according to a first embodiment of the present disclosure;

[0020] Figure 2 is a perspective view of a scroll assembly according to a first embodiment of the present disclosure from another perspective;

[0021] Figure 3 is a cross-sectional view of a scroll assembly according to a first embodiment of the present disclosure, wherein a first engagement portion of a first housing and a second engagement portion of a second housing are shown;

[0022] Figure 4 is a cross-sectional view of Figure 3 is a partial enlarged view of A shown;

[0023] Figure 5 is a cross-sectional view of Figure 2 is a partial enlarged view of B shown, wherein a first snap component and a second snap component are shown;

[0024] Figure 6 is a cross-sectional view of Figure 5 at the first snap component;

[0025] Figure 7 is a cross-sectional view of Figure 5 at the second snap component;

[0026] Figure 8 is a cross-sectional view of a scroll assembly according to a first embodiment of the present disclosure, wherein a first engagement portion of a first housing, a second engagement portion of a second housing, and a positioning protrusion of a partition are shown;

[0027] Figure 9 is a cross-sectional view of Figure 8 is a partial enlarged view of C shown;

[0028] Figure 10 is a bottom view of a first housing according to a first embodiment of the present disclosure;

[0029] Figure 11 is a partial enlarged view of a first engagement portion of a first housing according to a first embodiment of the present disclosure;

[0030] Figure 12 is a perspective view of a partition according to a first embodiment of the present disclosure;

[0031] Figure 13Figure 6 is a partial enlarged view of the spacer according to the first embodiment of the present disclosure, showing the positioning protrusion and the mounting insert;

[0032] Figure 14 Figure 7 is a perspective view of the spacer according to the first embodiment of the present disclosure assembled onto the first housing; Figure 13 Figure 8 is a sectional view at the positioning protrusion of the spacer;

[0033] Figure 15 Figure 9 is a sectional view at the mounting insert of the spacer; Figure 13 Figure 10 is a sectional view at the mounting insert of the spacer;

[0034] Figure 16 Figure 11 is a perspective view of the second housing according to the first embodiment of the present disclosure;

[0035] Figure 17 Figure 12 is a partial enlarged view of the edge of the second housing according to the first embodiment of the present disclosure, showing the second snap member and the notch; Figure 16 Figure 13 is a sectional view at the mounting insert of the spacer;

[0036] Figure 18 Figure 14 is a partial enlarged view of the edge of the second housing according to the first embodiment of the present disclosure, showing the relief for avoiding the positioning protrusion of the spacer; Figure 16 Figure 15 is a sectional view at the positioning protrusion of the spacer;

[0037] Figure 19 Figure 16 is a perspective view of the second housing according to the second embodiment of the present disclosure;

[0038] Figure 20 Figure 17 is a partial enlarged view of the edge of the second housing according to the second embodiment of the present disclosure, showing the second snap member and the blocking section;

[0039] Figure 21 Figure 18 is a partial enlarged view of the edge of the second housing according to the second embodiment of the present disclosure, showing the relief for avoiding the positioning protrusion of the spacer;

[0040] Figure 22 Figure 19 is a perspective view of the volute assembly according to the second embodiment of the present disclosure;

[0041] Figure 23 Figure 20 is a sectional view of the volute assembly according to the second embodiment of the present disclosure at the blocking section of the second housing.

[0042] Figure 24 DETAILED DESCRIPTION

[0043] Figure 25 The foregoing disclosure and advantages of the present disclosure will be more fully understood by reference to the following examples. Other embodiments of the present disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the present disclosure disclosed herein. Therefore, it is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the present disclosure being indicated by the following claims. DETAILED DESCRIPTION

[0044] The foregoing disclosure and advantages of the present disclosure will be more fully understood by reference to the following examples. Other embodiments of the present disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the present disclosure disclosed herein. Therefore, it is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the present disclosure being indicated by the following claims.

[0045] It is to be understood that the structures, proportions, sizes, etc. shown in the drawings accompanying the present specification are merely intended to facilitate the understanding of the content disclosed in the present specification for the understanding and reading of those skilled in the art, and are not intended to limit the conditions under which the present disclosure can be implemented, and therefore do not have substantial technical significance. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects and purposes that can be achieved by the present disclosure, should still fall within the scope of the technical content disclosed by the present disclosure.

[0046] The present disclosure provides a scroll casing assembly. Specific embodiments of the present disclosure are described below in detail with reference to the accompanying drawings.

[0047] Please refer to Figures 1-2 , Figures 3-4 and Figures 8-9 , the scroll casing assembly 1 can include a first casing 10 and a second casing 20, wherein the first casing 10 has a first joint 11 at the edge thereof (as shown in Figure 4 ), and the second casing 20 correspondingly has a second joint 21 at the edge thereof (as shown in Figure 4 ), which can be matched with the first joint 11 to mount the first casing 10 and the second casing 20 together and define an air duct for airflow inside. Furthermore, the first casing 10 includes a positioning groove 12, as shown in Figure 9 , which can accommodate a positioning protrusion 32 of a selectively arranged partition plate 30, wherein the partition plate 30 can be mounted between the first casing 10 and the second casing 20. Such an arrangement allows the scroll casing assembly 1 to be selectively applied to a double-layer HVAC module and a single-layer HVAC module. When the scroll casing assembly 1 is applied to a double-layer HVAC module, the positioning protrusion 32 of the partition plate 30 can be arranged in the positioning groove 12 of the first casing 10, and then the second casing 20 is mounted to the first casing 10, so that the partition plate 30 is located between the first casing 10 and the second casing 20 to divide the air duct into upper and lower layers. When the scroll casing assembly 1 is applied to a single-layer HVAC module, the partition plate 30 is no longer arranged, and the second casing 20 is directly mounted to the first casing 10. Moreover, the scroll casing assembly 1 applied to the above two types of air conditioning modules can at least keep the structure of the first casing 10 unchanged, i.e., the first casings 10 of the two can be commonly prepared using the same mold, which simplifies the design and preparation of the mold and effectively reduces the cost.

[0048] Specifically, as shown in Figures 3-4 , Figures 10-11 and Figures 19-21As shown, the first shell 10 of the volute assembly 1 can be substantially in the shape of a volute cover, and a first engaging portion 11 can be provided at the edge of the first shell 10. In one embodiment, the first engaging portion 11 can be a first groove extending along the edge of the first shell 10 (as shown in Figure 4 and Figure 11 ). The second shell 20 of the volute assembly 1 can be substantially in the shape of an inverted volute cover (as shown in Figure 19 ) to cooperate with the first shell 10 and define an air passage inside the first shell 10. A second engaging portion 21 can be provided at the edge of the second shell 20 to cooperate with the first engaging portion 11. In one embodiment, the second engaging portion 21 can be a first protrusion extending along the edge of the second shell 20, wherein the first protrusion can be sealingly fitted into the first groove of the first shell 10 (as shown in Figure 4 ) to avoid air leakage at the joint of the first shell 10 and the second shell 20. Of course, the present disclosure is not limited to the above-mentioned structure of the first engaging portion 11 and the second engaging portion 21. For example, the first engaging portion 11 can be in the form of a protrusion, and the second engaging portion 21 can be in the form of a groove, as long as the first engaging portion 11 and the second engaging portion 21 can be sealingly fitted together.

[0049] To more firmly engage the first shell 10 and the second shell 20, the volute assembly 1 can further include at least one first clamping assembly 100 (four are shown in the present disclosure, but the present disclosure is not limited thereto), as shown in Figure 2 , Figures 5-6 and Figure 20 . The first clamping assembly 100 can include a first clamping member 13 and a second clamping member 23 that can be clamped together, wherein the first clamping member 13 can be provided on the outer sidewall of the first shell 10, and the second clamping member 23 can be provided on the outer sidewall of the second shell 20. In one embodiment, the first clamping member 13 can include a mounting opening, and the second clamping member 24 can include a resilient clamping hook that can pass through the mounting opening and be clamped thereon, so that the first shell 10 and the second shell 20 can be firmly assembled together. Of course, the present disclosure is not limited to the above-mentioned structure of the first clamping member 13 and the second clamping member 23. For example, the first clamping member 13 can include a resilient clamping hook, and the second clamping member 23 can include a mounting opening, as long as the first clamping member 13 and the second clamping member 23 can be clamped together.

[0050] Further, as shown in Figure 2As shown, the volute assembly 1 can further include at least one locking assembly 300 for more securely locking / fixing the first housing 10 and the second housing 20. The locking assembly 300 can include a first locking portion having a threaded hole and a second locking portion having an opening, wherein the first locking portion can be provided on the outer sidewall of the first housing 10 and the second locking portion can be provided on the outer sidewall of the second housing 20, the threaded hole of the first locking portion can be aligned with the opening of the second locking portion, and a locking member (e.g. a screw or a bolt) can be used to lock the first housing 10 and the second housing 20 together. Of course, the present disclosure is not limited to the above structure of the locking assembly 300, as long as the first housing 10 and the second housing 20 can be locked together.

[0051] Please refer to Figure 8 , Figure 9 and Figure 18 , the positioning groove 12 of the first housing 10 is used to cooperate with the positioning protrusion 32 of the partition plate 30, so as to install the partition plate 30 on the first housing 10 in the correct position. The positioning groove 12 can be provided at the edge of the first housing 10 and closer to the inner wall of the first housing 10 than the first engaging portion 11 (i.e. the first groove). In an embodiment, the positioning groove 12 can be communicated with the first groove and form a stepped groove, as shown in Figure 9 and 18 , wherein the groove depth of the positioning groove 12 is smaller than that of the first groove. In this way, when the volute assembly 1 is not provided with the partition plate 30, the second engaging portion 21 (i.e. the first protrusion) of the second housing 11 can still ensure the sealing between the first engaging portion 11 and the second engaging portion 21 by abutting / pressing against the two side walls of the first groove. Of course, the present disclosure is not limited thereto, for example, the positioning groove 12 can also not be communicated with the first groove, i.e. there is a partition wall between the two, and in this case, the groove depth of the positioning groove 12 is not limited, as long as the positioning groove 12 can cooperate with the positioning protrusion 32 of the partition plate 30 and the first protrusion can be sealingly installed in the first groove.

[0052] Please refer to Figure 1 , in the present embodiment, the volute assembly 1 further includes a partition plate 30 installed between the first housing 10 and the second housing 20, so as to divide the air duct into upper and lower two layers. As shown in Figures 12-15 , the partition plate 30 can include a partition plate body 31 and the aforementioned positioning protrusion 32, wherein the partition plate body 31 is mainly used to divide the air duct, and the positioning protrusion 32 is located at the periphery of the partition plate 30, connected to the partition plate body 31 and capable of being positioned / accommodated in the positioning groove 12 of the first housing 10. The partition plate 30 can have at least one positioning protrusion 32 (in the present embodiment, four are mainly taken as an example, but the present disclosure is not limited thereto) arranged along the periphery thereof, and correspondingly, the first housing 10 has at least one positioning groove 12 for cooperating with the positioning protrusion 32.

[0053] Please continue to refer to Figures 12-15 , the partition 30 can also include a flange 33 for abutting against the inner wall of the first housing 10 and the inner wall of the second housing 20 (or in other words, the flange 33 can abut against the inner wall near the joint of the first housing 10 and the second housing 20, as shown in Figure 9 ). The flange 33 extends along the periphery of the partition body 31 and is located between the positioning protrusion 32 and the partition body 31. In an embodiment, in order to improve the structural strength of the partition 30, the flange 33 can protrude from the opposite sides of the partition body 31, as shown in Figure 9 and Figure 14 , the part located on the upper side of the partition body 31 can be referred to as an upper flange, and the part located on the lower side of the partition body 31 can be referred to as a lower flange. Of course, the present disclosure is not limited thereto, for example, in another embodiment, the flange 33 can also be located on one side (for example, the upper side or the lower side, as shown in Figure 14 ) of the partition body 31, as long as the flange 33 can abut against the inner wall near the joint of the first housing 10 and the second housing 20.

[0054] In order to firmly mount the partition 30 to the first housing 10, the volute assembly 1 can also include at least one second clamping assembly 200 (the present disclosure illustrates four, but is not limited thereto), as shown in Figure 2 , Figure 5 , Figure 7 and Figures 12-17 , the second clamping assembly 200 can include a mounting opening 14 and a mounting plug 34 that can be clamped together, wherein the mounting opening 14 can be provided on the outer side wall of the first housing 10, and the mounting plug 34 is correspondingly provided on the periphery of the partition 30, especially on the side of the flange 33 away from the partition body 31, the mounting opening 14 can selectively receive the mounting plug 34 of the partition 30. In an embodiment, the mounting plug 34 can include a resilient clamping hook that can pass through the mounting opening 14 and be clamped thereon, so that the partition 30 is fixedly mounted to the first housing 10, as shown in Figure 17 . Of course, the present disclosure is not limited to the above structure of the second clamping assembly 200, as long as the partition 30 can be fixedly mounted to the first housing 10.

[0055] It is noted that the mounting aperture 14 of the first housing 10 is selectively configured to receive the mounting insert 34 of the partition 30, i.e. the mounting aperture 14 is configured to receive the mounting insert 34 of the partition 30 when the scroll assembly 1 is provided with the partition 30, and the mounting aperture 14 is configured to receive other components (to be described later) instead of the mounting insert 34 of the partition 30 when the scroll assembly 1 is not provided with the partition 30.

[0056] After the partition 30 is mounted to the first housing 10 (as shown in Figure 16 ), the second housing 20 can be mounted.

[0057] Specifically, referring to Figure 19 and Figure 20 , the second housing 20 is provided with a notch 22 at the edge thereof, or in other words, the second housing 20 is provided with the notch 22 at the second engaging portion 21 thereof, and the notch 22 is mainly configured to be passed through by the mounting insert 34 of the partition 30 (as shown in Figure 7 ) so that the mounting insert 34 can be engaged with the mounting aperture 14 of the first housing 10. In an embodiment, the notch 22 can be provided with a protrusion 220 at the end thereof away from the inner wall of the second housing 20, and the protrusion 220 can increase the contact area between the second housing 20 and the partition 30, especially the mounting insert 34 of the partition 30, so as to improve the air tightness of the scroll assembly 1 at this position. Preferably, the top surface of the protrusion 220 is lower than the top surface of the second engaging portion 21, so as to avoid the problem that the second housing 20 cannot be tightly engaged with the partition 30 and / or the first housing 10 due to the protrusion 220 abutting against the first housing 10 when the second housing 20 is mounted.

[0058] Referring to Figure 21 , the second housing 20 can be provided with a relief portion 24 at the edge thereof, or in other words, the second housing 20 can be provided with the relief portion 24 at the second engaging portion 21 thereof, and the relief portion 24 is mainly configured to avoid the positioning protrusion 32 of the partition 30, so that the positioning protrusion 32 can be accommodated in the positioning groove 12 of the first housing 10 (as shown in Figure 9As shown in FIG. 1, the top surface of the second joint 21 corresponding to the second joint 21 at the side of the relief 24 away from the inner wall of the second shell 20 can be higher than the top surface of the second joint 21 at the two sides of the relief 24, i.e. the second joint 21 at the two sides of the relief 24 along the extension direction of the edge of the second shell 20. In this way, even if the first recess of the first shell 10 is in communication with the positioning recess 12, the second joint 21 with the higher top surface can tightly fit the first recess with the larger groove depth to achieve the sealing of the first shell 10 and the second shell 20 at the first and second joints. Of course, the present disclosure is not limited thereto. For example, when a partition wall is provided between the first recess of the first shell 10 and the positioning recess 12, the height of the top surface of the second joint 21 corresponding to the second joint 21 at the side of the relief 24 away from the inner wall of the second shell 20 is not limited, as long as the second joint 21 can sealingly engage the first joint 11 of the first shell 10.

[0059] As can be seen, the scroll casing assembly 1 of the present embodiment has the first shell 10, the second shell 20 and the partition 30, which can be used in a double-layer heating and ventilation air conditioning module and can maintain air tightness at the joints of the components to avoid air leakage.

[0060] Hereinafter, different embodiments of the present disclosure will be described. For simplicity of description, the following mainly describes the differences between the embodiments, and the same parts are not repeated. In addition, the same elements in the embodiments of the present disclosure are denoted by the same reference numerals for the purpose of mutual comparison between the embodiments.

[0061] Figures 22-25 The scroll casing assembly 1 of the second embodiment of the present disclosure and its related structure are shown. The scroll casing assembly 1 of the second embodiment is mainly different from the scroll casing assembly 1 of the first embodiment in that the partition 30 is not provided between the first shell 10 and the second shell 20, so that the scroll casing assembly 1 can be applied to a single-layer heating and ventilation air conditioning module.

[0062] As Figure 22 shown, the scroll casing assembly 1 includes the first shell 10 and the second shell 20, and the partition 30 is not provided between the first shell 10 and the second shell 20, wherein the structure of the first shell 10 is exactly the same as that of the first shell 10 in the first embodiment, and thus is not repeated here. Since the scroll casing assembly 1 of the first embodiment is mainly applied to a double-layer heating and ventilation air conditioning module, and the scroll casing assembly 1 of the second embodiment is mainly applied to a single-layer heating and ventilation air conditioning module, and the structure of the first shell 10 in the above two embodiments is exactly the same, the first shell 10 of the above two scroll casing assemblies 1 can be prepared by using the same mold, which effectively simplifies the design and preparation of the mold and reduces the cost, and can avoid the problem that the double-layer heating and ventilation air conditioning module and the single-layer heating and ventilation air conditioning module need to prepare their own first shell molds respectively in the prior art, resulting in excessive cost.

[0063] Please refer to Figure 23 and Figure 24 , the structure of the second casing 20 is substantially the same as that of the second casing 20 in the first embodiment, and the only difference is that the second engaging portion 21 of the second casing 20 in the present embodiment no longer has the notch 22 (as shown in Figure 20 ), and it can also be said that the second engaging portion 21 has a blocking section 25, which can seal the mounting opening 14 of the first casing 10 in a sealed manner, as shown in Figure 25 It can be seen that when the volute assembly 1 is not provided with the partition plate 30, the blocking section 25 of the second engaging portion 21 in the second casing 20 can block the mounting opening 14 of the first casing 10, thereby ensuring the sealing between the first casing 10 and the second casing 20.

[0064] Since the only difference between the second casing 20 of the present embodiment and the second casing 20 of the first embodiment is whether the second engaging portion 21 has the notch 22, only the individual inserts of the mold (i.e., the mold of the second casing 20) used in the first embodiment need to be replaced to obtain the mold of the second casing 20 described in the present embodiment, so that the second engaging portion 21 of the second casing 20 prepared thereby has the blocking section 25 (i.e., does not have the notch 22), which effectively reduces the design change cost of the mold.

[0065] In addition, it should be noted that since the volute assembly 1 of the present embodiment is not provided with the partition plate 30, the positioning protrusion 32 of the partition plate 30 is no longer arranged in the positioning groove 12 of the first casing 10, but this does not affect the sealing between the first casing 10 and the second casing 20, because the second engaging portion 21 of the second casing 20 can be sealingly combined with the two side walls of the first groove (i.e., the first engaging portion 11) of the first casing 10, as shown in Figure 9 .

[0066] It can be seen that the volute assembly 1 of the present embodiment has the first casing 10 and the second casing 20, and the volute assembly 1 can be used for a single-layer heating, ventilation and air conditioning module, and the air tightness can be maintained at the joint of the first casing 10 and the second casing 20, thereby avoiding the phenomenon of air leakage.

[0067] Although the second embodiment of the present disclosure is described by taking the second engaging portion 21 of the second casing 20 having the blocking section 25 as an example, however, the present disclosure is not limited thereto, for example, the structure of the second casing 20 can also be completely the same as that of the second casing 20 in the first embodiment, at this time, the volute assembly 1 only needs to be provided with a blocking member (such as a sealing plug, etc.) to block the mounting opening 14 of the first casing 10, thereby maintaining the sealing between the first casing 10 and the second casing 20. Such arrangement can make the second casings 20 of the two embodiments be prepared by using the same mold, which further reduces the preparation cost.

[0068] In summary, the present disclosure provides a scroll casing assembly, by setting a first joint at the edge of the first casing and a second joint capable of closely matching the first joint at the edge of the second casing, the first casing and the second casing are sealably jointed; and by setting a positioning groove at the edge of the first casing, wherein the positioning groove can accommodate the positioning protrusion of the selectively set partition, thus the scroll casing assembly can be selectively applied to the double-layer and single-layer heating, ventilation and air conditioning modules. In addition, the structure of the first casing of the scroll casing assembly applied to the above two air conditioning modules can remain unchanged, i.e. the first casings of both can be commonly prepared by using the same mold, which simplifies the design and preparation of the mold and effectively reduces the cost; at the same time, the structures of the second casings of the scroll casing assemblies applied to the above two air conditioning modules are substantially the same, only the individual inserts of the mold need to be replaced to prepare the above different second casings, effectively reducing the design change cost of the mold.

[0069] The present disclosure also provides an air conditioning module comprising the aforementioned scroll casing assembly.

[0070] The exemplary embodiments of the scroll casing assembly and the air conditioning module provided by the present disclosure are described above with reference to the preferred embodiments, however, those skilled in the art can understand that various modifications and changes can be made to the above specific embodiments without departing from the concept of the present disclosure, and various technical features and structures proposed by the present disclosure can be combined without exceeding the protection scope of the present disclosure, the protection scope of the present disclosure is determined by the appended claims.

Claims

1. A volute assembly (1) characterized by, The volute assembly (1) comprises: a first shell (10) having a first engagement (11) at its edge; and a second shell (20) having a second engagement (21) at its edge, the second engagement (21) cooperating with the first engagement (11) to assemble the first shell (10) and the second shell (20) and to define an air duct inside thereof, wherein the first shell (10) comprises a positioning groove (12) capable of accommodating a positioning protrusion (32) of a selectively disposable partition (30) mountable between the first shell (10) and the second shell (20).

2. The volute assembly (1) of claim 1, characterized in that The first engagement (11) is a first groove extending along the edge of the first shell (10), and the second engagement (21) is a first protrusion extending along the edge of the second shell (20), the first protrusion being sealably mountable into the first groove.

3. The volute assembly (1) of claim 2, characterized in that The positioning groove (12) is closer to the inner wall of the first shell (10) than the first groove.

4. The volute assembly (1) of claim 3, characterized in that The positioning groove (12) communicates with the first groove and forms a stepped groove, the depth of the positioning groove (12) being less than the depth of the first groove.

5. The volute assembly (1) of claim 4, characterized in that The partition (30) comprises: a partition body (31) for partitioning the air duct; and the positioning protrusion (32) connected to the partition body (31) and positioned in the positioning groove (12).

6. The volute assembly (1) of claim 5, characterized in that The first shell (10) has at least one positioning groove (12) spaced along its edge, and the partition (30) has at least one positioning protrusion (32) corresponding to the positioning groove (12).

7. The volute assembly (1) according to claim 5 or 6, characterized in that The partition (30) further comprises a turned-up flange (33) extending along the periphery of the partition body (31) and abutting against the inner wall of the first shell (10) and the inner wall of the second shell (20), the turned-up flange (33) being located between the positioning protrusion (32) and the partition body (31).

8. The volute assembly (1) according to any one of claims 1-6, characterized in that, The first shell (10) has a mounting aperture (14) in its outer wall to selectively receive a mounting insert (34) of the partition (30).

9. The volute assembly (1) of claim 8, characterized in that The mounting insert (34) comprises a resilient catch.

10. The volute assembly (1) of claim 9, characterized in that The edge of the second shell (20) has a notch (22) allowing the mounting insert (34) to pass through to engage with the mounting aperture (14).

11. The volute assembly (1) of claim 8, wherein, The second engagement (21) of the second shell (20) has a blocking section (25) to sealingly block the mounting aperture (14).

12. An air conditioning module characterized by, The air conditioning module comprises the volute assembly (1) as claimed in any one of claims 1-11.

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