CN211230996U - A volute installation structure and air conditioner - Google Patents

Abstract

The utility model provides a volute installation structure and an air conditioner, wherein the volute installation structure comprises a lower volute, an upper volute and a top cover, and the lower volute is provided with a third volute connected with the top cover. a connecting piece, the first connecting piece is provided with a first installation hole, and the lower volute and the top cover plate are detachably connected by fasteners at the first installation hole; in the assembled state , the first connecting piece is located on the side of the lower volute facing the top cover plate, and the axis of the first mounting hole is located in the vertical direction. The volute mounting structure of the utility model realizes the detachable connection between the lower volute and the top cover by screwing the fastener into the first mounting hole whose axis is perpendicular to the top cover plate, and avoids the moment from the lower volute due to gravity. As a result, a shearing force is generated on the fasteners at the connection between the lower volute and the top cover plate, so that the connection between the volute and the air conditioner casing is unstable, and the stability of the assembly of the volute is improved.

Description

A volute installation structure and air conditioner

technical field

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

Background technique

At present, the volute of the ducted air conditioner is mostly installed with a fixing plate vertically arranged in the housing of the air conditioner by screws, and the volute and the fixing plate are connected by screws at the volute tongue of the volute, and the volute is far away from the air conditioner. One side of the cochlea is in a suspended state. This installation structure makes the direction of gravity of the volute perpendicular to the axis of the screw. During the operation of the air conditioner, the volute will vibrate in the direction of gravity, which will generate shearing force on the screw at the connection between the volute and the fixing plate. , so that the connection between the volute and the fixing plate is easy to loosen, which affects the stability of the assembly of the volute.

Utility model content

The problem solved by the utility model is: how to improve the stability of the volute assembly.

In order to solve the above problems, the present invention provides a volute installation structure, which includes a lower volute, an upper volute and a top cover, and the lower volute is provided with a first connecting piece connected to the top cover, The first connecting piece is provided with a first installation hole, and the lower volute and the top cover plate are detachably connected by fasteners at the first installation hole; in the assembled state, the first A connecting piece is located on the side of the lower volute facing the top cover plate, and the axis of the first mounting hole is located in the vertical direction.

Therefore, the connection between the lower volute and the top cover plate is realized through the first installation hole, and the axis of the first installation hole is located in the vertical direction, which avoids the moment effect of gravity on the volute, and strengthens the volute and the air conditioner. Stability of housing connection and volute assembly.

Optionally, the top cover plate is provided with a first fixing hole adapted to the first installation hole, and the first fixing hole and the first installation hole are coaxially arranged.

Therefore, the detachable connection between the top cover plate and the lower volute is realized through the cooperation of the first fixing hole and the first installation hole.

Optionally, the lower volute is provided with two first connecting pieces, and the first connecting pieces are in the form of connecting ears; the two first connecting pieces are respectively located on the lower volute facing the Both ends of one side of the top cover plate.

Therefore, the connection between the lower volute and the top cover plate is further strengthened by arranging the first connecting piece of the connecting ear structure.

Optionally, a side of the top cover plate facing the lower volute is provided with a connecting plate adapted to the first connecting piece, and the first fixing hole is provided on the connecting plate.

Therefore, through the cooperation between the connecting plate and the first connecting piece, a certain gap is left between the upper and lower volutes, so as to reduce vibration and noise.

Optionally, the upper volute is provided with a second connecting piece for connecting with the chassis of the air conditioner; the second connecting piece is provided with a second mounting hole; in the assembled state, the second mounting hole The axis is in the vertical direction.

Therefore, in the rear air return mode, the upper volute and the chassis are detachably connected through the second installation hole to strengthen the connection between the upper and lower volutes and the air conditioner housing, and the axis of the second installation hole is located in the vertical direction, The moment effect of gravity on the volute is further avoided.

Optionally, the second connecting member has a columnar structure, and the second mounting hole is coaxially disposed with the second connecting member.

Therefore, by arranging the second connecting member of the columnar structure, a certain gap is left between the upper volute and the housing of the air conditioner, so as to reduce vibration and noise.

Optionally, a third connecting piece is provided on the lower volute, and a fourth connecting piece is provided on the upper volute; the third connecting piece is detachably connected with the fourth connecting piece.

Therefore, the connection between the upper and lower volutes and the tightness of the connection between the upper and lower volutes are reinforced through the detachable link of the third connecting piece and the fourth connecting piece.

Optionally, the third connecting piece is provided with a third mounting hole, and the fourth connecting piece is provided with a fourth mounting hole; the third connecting piece and the fourth connecting piece are in the third A detachable connection is formed at the mounting hole and the fourth mounting hole by the fastener.

In this way, the detachable link between the third connecting piece and the fourth connecting piece is achieved through the cooperation of the third mounting hole and the fourth mounting hole.

Optionally, the lower volute is further provided with a volute tongue, and the inner surface of the volute tongue is provided with a plurality of convex points.

Thereby, by providing bumps on the inner surface of the volute tongue, noise reduction can be achieved.

In order to solve the above problems, the present invention also provides an air conditioner, which includes the above-mentioned volute installation structure.

The air conditioner and the above-mentioned volute mounting structure have the same advantages over the prior art, which will not be repeated here.

Description of drawings

Fig. 1 is the structural representation that the volute installation structure is installed in the air duct type air conditioner in the embodiment of the present utility model;

Fig. 2 is the structural representation of the lower volute in the embodiment of the present utility model;

3 is a schematic structural diagram of a top cover plate in an embodiment of the present invention;

Fig. 4 is a partial enlarged view at A in Fig. 3;

5 is a schematic structural diagram of the lower volute from another perspective in the embodiment of the present invention;

6 is a schematic structural diagram of an upper volute in an embodiment of the present invention;

7 is another structural schematic diagram of the volute installation structure installed in the air duct type air conditioner according to the embodiment of the present invention.

Description of reference numbers:

1-lower volute; 11-volute tongue; 111-bump; 12-first connecting piece; 121-first mounting hole; 13-third connecting piece; 131-third mounting hole; 2-upper volute; 21-second connector; 211-second mounting hole; 22-fourth connector; 221-fourth mounting hole; 3-top cover; 31-connecting plate; 311-first fixing hole; 4-chassis; 41-Second fixing hole.

Detailed ways

In order to make the above objects, features and advantages of the present utility model more clearly understood, the specific embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "up", "down", "left", "right", "high", "low", etc. are based on the drawings shown in the drawings. azimuth or position relationship, and the coordinate system XYZ is set in this article, where the positive direction of the X axis represents the right direction, the reverse direction of the X axis represents the left direction, the positive direction of the Y axis represents the front direction, and the reverse direction of the Y axis represents the rear direction The direction, the positive direction of the Z axis represents the upper side, and the reverse direction of the Z axis represents the lower side; it is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device referred to must have a specific orientation and be constructed in a specific orientation. and operation, so it should not be construed as a limitation of the present invention.

The embodiment of the present invention provides a volute installation structure, which includes a lower volute 1, an upper volute 2 and a top cover plate 3. The lower volute 1 is provided with a first connecting piece 12 connected to the top cover plate 3. A connecting piece 12 is provided with a first mounting hole 121, and the lower volute 1 and the top cover plate 3 are detachably connected by fasteners at the first mounting hole 121; in the assembled state, the first connecting piece 12 is located at the bottom The volute 1 faces one side of the top cover plate 3, and the axis of the first mounting hole 121 is located in the vertical direction.

Please refer to Figures 1 and 2. The volute installation structure includes a detachable upper volute 2, a lower volute 1 and a top cover 3, and the upper volute 2 and the lower volute 1 form a volute structure; In the actual use of the air conditioner, the top cover plate 3 and the chassis 4 on the air conditioner housing are both parallel to the horizontal plane, wherein the horizontal plane refers to the plane parallel to the XY plane in FIG. 1; the top cover plate 3 is located on the upper volute 2 and the Above the lower volute 1 (in the positive direction of the Z axis in FIG. 1 ), the chassis 4 is located below the upper volute 2 and the lower volute 1 (in the negative direction of the Z axis in FIG. 1 ). The lower volute 1 is provided with a first connecting piece 12 which is connected with the top cover plate 3. In the assembled state, the first connecting piece 12 is located on the side of the lower volute 1 facing the top cover plate 3, which is convenient for the first connecting piece 12 The detachable connection with the top cover plate 3, wherein the assembled state refers to the state when the volute installation structure is installed in the air conditioner, and the volute installation structure is fixedly connected with the air conditioner housing at this time; the corresponding separation state It refers to the state when the volute installation structure is not installed in the air conditioner, and at this time, the volute installation structure is not connected with the air conditioner housing.

Specifically, the first connecting member 12 is provided with a first installation hole 121, and the lower volute 1 and the top cover plate 3 are detachably connected at the first installation hole 121 through fasteners, wherein the fasteners include screws or Bolts, for ease of description, the present embodiment uses fasteners as screws for illustration; the axis of the first mounting hole 121 is located in the vertical direction, that is, the axis of the first mounting hole 121 is located in the Z-axis direction in FIG. 1 . In the assembled state, the first connector 12 and the top cover plate 3 are tightly connected, and since the axis of the first mounting hole 121 is located in the vertical direction, the axis of the screw is also located in the vertical direction, that is, the lower volute case 1. The direction of the pulling force exerted by the screw and the direction of gravity of the lower volute 1 are both in the vertical direction; in this way, the connection between the lower volute 1 and the top cover plate 3 will not be affected by the moment caused by gravity, which means No shearing force will be generated on the fasteners at the connection between the lower volute 1 and the top cover plate 3, which ensures the stability of the connection between the lower volute 1 and the top cover plate 3, that is, the volute structure and the air conditioner are guaranteed. The stability of the connection between the shells.

Optionally, the top cover plate 3 is provided with a first fixing hole 311 that matches with the first installation hole 121 , and the first fixing hole 311 is coaxial with the first installation hole 121 .

Please refer to FIG. 3 , the top cover plate 3 is provided with a first fixing hole 311 , the first fixing hole 311 is matched with the first installation hole 121 , and the first fixing hole 311 is coaxially arranged with the first installation hole 121 , That is, the axis of the first fixing hole 311 is coincident with the axis of the first mounting hole 121; this is convenient to realize the connection and fixation of the first fixing hole 311 and the first mounting hole 121 through the fastener, so as to realize the location of the first fixing hole 311. The detachable connection between the top cover plate 3 and the first connecting piece 12 where the first mounting hole 121 is located.

Optionally, the lower volute 1 is provided with two first connecting pieces 12, and the first connecting pieces 12 are in the form of connecting ears; both ends of the side.

Please refer to FIG. 1 , FIG. 2 , and FIG. 5 , the lower volute 1 is provided with two first connecting pieces 12 , and the first connecting pieces 12 are in the structure of connecting ears, that is, the lower volute 1 is provided with two connecting pieces 12 . The ear structure, the connecting ear structure is fixedly connected with the lower volute 1; the two first connecting pieces 12 are respectively located at the two ends of the side of the lower volute 1 facing the top cover plate 3, that is, the two first connecting pieces 12 are respectively Located at the left and right ends of the lower volute 1 (the two ends of the lower volute 1 in the X-axis direction in FIG. 1 ), it is convenient to effectively connect and fix the lower volute 1 and the top cover plate 3 .

Further, since the upper volute 2 and the lower volute 1 are connected, they are cylindrical as a whole, so the line connecting the centers of the two first connecting pieces 12 is parallel to the axis of the cylinder, and the two The first connecting piece 12 is on the same plane and parallel to the top cover plate 3; this arrangement can make the connection between the lower volute 1 and the top cover plate 3 more stable, and is also convenient for the lower volute 1 to be subjected to horizontal forces. When the inertial force is applied, the phenomenon of dislocation between the lower volute 1 and the top cover plate 3 will not occur.

Optionally, the side of the top cover plate 3 facing the lower volute 1 is provided with a connecting plate 31 adapted to the first connecting member 12 , and the first fixing hole 311 is provided on the connecting plate 31 .

Please refer to FIG. 3 and FIG. 4 , the side of the top cover plate 3 facing the lower volute 1 is provided with a connecting plate 31 that is adapted to the first connecting piece 12 for connection with the first connecting piece 12 ; A fixing hole 311 is provided on the connecting plate 31; this design facilitates the connection and positioning of the first mounting hole 121 and the first fixing hole 311, and leaves a certain gap between the lower volute 1 and the top cover plate 3, avoiding the need for The lower volute 1 and the top cover plate 3 are in excessive contact due to changes in the external environment (such as collision) or internal environment (such as thermal expansion and contraction), which damages related parts, and the top cover plate 3 is connected with the first cover through the connecting plate 31. The components 12 are connected and matched, and are in direct contact with the top cover plate 3 relative to the outer side wall of the lower volute 1, which can reduce the vibration transmission between the top cover plate 3 and the lower volute 1, thereby reducing vibration and noise.

Optionally, the upper volute 2 is provided with a second connector 21 for connecting with the chassis 4 of the air conditioner; the second connector 21 is provided with a second mounting hole 211 ; in the assembled state, the second mounting hole 211 The axis is in the vertical direction.

Please refer to Fig. 1, Fig. 6 and Fig. 7. Fig. 1 shows the air conditioner in the lower return air mode (the air conditioner enters the air from below, that is, the air enters from the side where the chassis 4 is located), and Fig. 7 shows the rear return air mode. (The air conditioner enters the air from the horizontal direction) air conditioner; the upper volute 2 is provided with a second connecting piece 21 for connecting with the chassis 4 of the air conditioner; the second connecting piece 21 is provided with a second mounting hole 211, in the In the rear air return mode, the detachable connection between the upper volute 2 and the chassis 4 is achieved by screwing fasteners into the second installation hole 211; in the assembled state, the axis of the second installation hole 211 is in the vertical direction, That is to say, the axis of the second mounting hole 211 is located in the Z-axis direction in FIG. 1 . In the assembled state, the second connector 21 and the chassis 4 are tightly connected, and since the axis of the second mounting hole 211 is located in the vertical direction, the second mounting hole 211 is used to connect the upper volute 2 and the chassis 4 . The axis of the screw is also located in the vertical direction, that is, the direction of the support force exerted by the upper volute 2 and the direction of gravity on the upper volute 2 are in the vertical direction; in this way, the connection between the upper volute 2 and the chassis 4 is in the vertical direction. It will not be affected by the moment caused by gravity, and will not produce shearing force on the fasteners at the connection between the upper volute 2 and the chassis 4, ensuring the stability of the connection between the upper volute 2 and the chassis 4; Moreover, the lower volute 1 and the top cover plate 3 are fixed by screwing the screws into the first mounting holes 121, and the upper volute 2 and the chassis 4 are fixed by screwing the screws into the second mounting holes 211, which further strengthens the volute structure. The ability to cope with the inertial force in the horizontal direction further ensures the stability of the connection between the volute structure and the air conditioner housing.

Optionally, the second connecting member 21 has a columnar structure, and the second mounting hole 211 is coaxially disposed with the second connecting member 21 .

Please refer to FIG. 1 , FIG. 6 , and FIG. 7 , the second connecting member 21 has a columnar structure; the second connecting member 21 of the columnar structure can be a cylinder, a prism, etc. For the convenience of description, the second connecting member 21 is a cylinder The second mounting hole 211 is arranged along the axial direction of the second connecting piece 21, that is, the axis of the second mounting hole 211 coincides with the axis of the second connecting piece 21; The second fixing hole 41 adapted to the mounting hole 211, the axis of the second fixing hole 41 coincides with the axis of the second mounting hole 211; the chassis 4 and the upper volute 2 pass through the second mounting hole 211 and the second fixing hole 41 Fasteners, such as screws, enable detachable connections.

The second connecting piece 21 of the columnar structure is located on the side of the upper volute 2 facing the chassis 4, and has a certain height (ie, the height of the cylinder), which can leave a certain gap between the upper volute 2 and the chassis 4 for coping. The upper volute 2 is excessively contacted with the chassis 4 due to changes in the internal and external environment, so as to reduce vibration and noise.

Optionally, the lower volute 1 is provided with a third connecting piece 13 , and the upper volute 2 is provided with a fourth connecting piece 22 ; the third connecting piece 13 is detachably connected with the fourth connecting piece 22 .

Please refer to FIG. 5 and FIG. 6 in conjunction with FIG. 1 and FIG. 7 , the lower volute 1 is provided with a third connecting piece 13 , and the upper volute 2 is provided with a fourth connecting piece 22 ; The four connecting pieces 22 are detachably connected; the lower volute 1 is provided with a volute tongue 11, in the assembled state, the third connecting piece 13 is located on the side of the lower volute 1 away from the volute tongue 11, and correspondingly, the fourth connecting piece 22 It is located on the side of the upper volute 2 away from the volute tongue 11 , that is to say, the third connecting piece 13 is located at the front end of the lower volute 1 (ie, the positive direction of the Y axis in FIG. 1 ), and the fourth connecting piece 22 is located on the upper volute 2 . The front end (ie the positive direction of the Y axis in Figure 1); the detachable connection between the upper and lower volutes is realized through the detachable connection of the third connecting piece 13 and the fourth connecting piece 22, which is convenient for the disassembly and assembly of the volute mounting structure.

Optionally, the third connecting piece 13 is provided with a third mounting hole 131, and the fourth connecting piece 22 is provided with a fourth mounting hole 221; A detachable connection is formed at the fourth mounting hole 221 by a fastener.

Please refer to FIGS. 5 and 6 in conjunction with FIGS. 1 and 7 , the third connecting member 13 is provided with a third mounting hole 131 , the fourth connecting member 22 is provided with a fourth mounting hole 221 ; the third mounting hole 131 Matching with the fourth mounting hole 221 , the axis of the third mounting hole 131 coincides with the axis of the fourth mounting hole 221 , the third connecting piece 13 and the fourth connecting piece 22 are in the third mounting hole 131 and the fourth mounting hole 221 A detachable connection is formed by fasteners (such as screws) at the upper and lower volutes, so as to realize the detachable connection between the upper and lower volutes, which facilitates the disassembly and assembly of the volute installation structure during installation or maintenance.

Through the connection and cooperation of the third installation hole 131 and the fourth installation hole 221 , the upper and lower volutes are detachably connected, and the upper and lower volutes are connected compactly, ensuring the tightness of the connection between the upper and lower volutes.

Optionally, the inner surface of the volute tongue 11 is provided with a plurality of bumps 111 .

Please refer to FIGS. 2 and 5 , the volute 11 is located on the lower volute 1 and is a columnar structure with two open ends. For the convenience of description, the volute 11 is used as the front and rear ends (the volute 11 is Y in FIG. 1 ). The two ends in the axial direction) are opened to explain the quadrangular prism structure; for the air conditioner, in the assembled state, the inside of the volute structure is provided with a fan blade, and the fan blade is driven by the motor to generate air flow, and the two sides of the volute tongue 11 are provided with air flow. The end opening is used for the outflow of airflow; when the air conditioner is running, since the airflow generated between the upper and lower volutes will generate a certain noise during discharge, the volute tongue 11 of this embodiment is on the inner surface (that is, the airflow flows out of the volute structure). The inner sidewall of the volute tongue 11 that passes through; in this embodiment, there are four inner sidewalls of the volute tongue 11, and the airflow flows out from the channel enclosed by these four inner sidewalls) with a plurality of bumps 111, which increases noise transmission The reflecting surface of the process uses multiple reflections of noise to reduce the energy of noise transmission, so as to achieve the effect of reducing noise.

Further, a plurality of bumps 111 are distributed in an array on the inner sidewall of the volute tongue 11, that is, the bumps 111 are equally spaced and evenly distributed on the inner sidewall of the volute tongue 11; Point 111 to reduce noise to the greatest extent and improve user experience.

Another embodiment of the present invention provides an air conditioner to solve the problem of how to improve the stability of volute assembly; the air conditioner includes the above volute installation structure.

The air conditioner in this embodiment realizes the detachable connection between the lower volute 1 and the top cover 3 by screwing fasteners (such as screws) into the first mounting holes 121 whose axes are perpendicular to the top cover 3, thereby strengthening the The connection between the lower volute 1 and the housing of the air conditioner is fixed, and at the same time, the moment action on the lower volute 1 due to gravity is avoided, resulting in shearing force on the fasteners at the connection between the lower volute 1 and the top cover plate 3, so that the The connection between the volute structure and the air conditioner casing is unstable; the stability and reliability of the connection between the volute structure and the air conditioner casing are improved as a whole, and the stability of the volute assembly is improved.

Although the present invention is disclosed above, the present invention is not limited thereto. Any person skilled in the art can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, the protection scope of the present invention should be based on the scope defined by the claims.

Claims (10)

1. A volute installation structure comprises a lower volute (1), an upper volute (2) and a top cover plate (3), and is characterized in that a first connecting piece (12) connected with the top cover plate (3) is arranged on the lower volute (1), a first installation hole (121) is formed in the first connecting piece (12), and the lower volute (1) and the top cover plate (3) are detachably connected through a fastener at the first installation hole (121); in an assembly state, the first connecting piece (12) is located on one side, facing the top cover plate (3), of the lower volute (1), and the axis of the first mounting hole (121) is located in the vertical direction.

2. The volute mounting structure according to claim 1, wherein the top cover plate (3) is provided with a first fixing hole (311) adapted to the first mounting hole (121), and the first fixing hole (311) is coaxially disposed with the first mounting hole (121).

3. The volute mounting structure according to claim 1, wherein two first connectors (12) are provided on the lower volute (1), and the first connectors (12) are in a lug structure; the two first connecting pieces (12) are respectively positioned at two ends of one side of the lower volute (1) facing the top cover plate (3).

4. The volute mounting structure according to claim 2, wherein the top cover plate (3) is provided with a connection plate (31) adapted to the first connection member (12) at a side facing the lower volute (1), and the first fixing hole (311) is provided in the connection plate (31).

5. The scroll casing mounting structure according to any one of claims 1 to 4, wherein the upper scroll casing (2) is provided with a second connecting member (21) for connection with a base plate (4) of an air conditioner; a second mounting hole (211) is formed in the second connecting piece (21); in the assembled state, the axis of the second mounting hole (211) is located in the vertical direction.

6. The volute mounting structure according to claim 5, wherein the second connecting member (21) has a cylindrical structure, and the second mounting hole (211) is coaxially disposed with the second connecting member (21).

7. The volute mounting structure according to any of claims 1-4, wherein a third connection member (13) is provided on the lower volute (1), and a fourth connection member (22) is provided on the upper volute (2); the third connecting piece (13) is detachably connected with the fourth connecting piece (22).

8. The volute mounting structure according to claim 7, wherein the third connecting member (13) has a third mounting hole (131) and the fourth connecting member (22) has a fourth mounting hole (221); the third connecting piece (13) and the fourth connecting piece (22) form detachable connection through the fastener at the third mounting hole (131) and the fourth mounting hole (221).

9. The scroll casing mounting structure according to any of claims 1 to 4 wherein the lower scroll casing (1) is further provided with a scroll tongue (11), and an inner surface of the scroll tongue (11) is provided with a plurality of convex points (111).

10. An air conditioner characterized by comprising the scroll casing mounting structure according to any one of claims 1 to 9.

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