CN209068696U - A kind of spiral case fixed structure and air conditioner - Google Patents

Abstract

The utility model provides a volute fixing structure and an air conditioner. The volute fixing structure is used for fixedly connecting the second volute of the air conditioner and the volute fixing plate, and comprises a volute arranged on the side of the second volute. A mounting plate, a snap hole provided on the volute fixing plate, a snap hook is provided on the surface of the mounting plate, the snap hook is snap-fitted with the snap hole; the snap hook is inserted into the snap hole One end is provided with a guide slope, and the guide slope is used to guide the hook to pass through the hole. In the volute fixing structure provided by the utility model, the second volute is fixed on the volute fixing structure through the clamping connection between the hook and the clamping hole, which simplifies the installation process of the second volute and reduces the production cost; The hook is provided with a guiding inclined surface, which can more conveniently clip the hook into the clamping hole, which improves the accuracy of the installation of the second volute, thereby improving the installation efficiency of the volute and the volute fixing plate.

Description

A volute fixing structure and an air conditioner

technical field

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

Background technique

Existing air duct machines using centrifugal fan blades generally use a sheet metal casing, and the casing is equipped with a volute, a return air component, and a water receiving tray and other related components connected to form an air duct. The volute includes an upper volute and a lower volute matched with the upper volute. One side of the upper volute and the lower volute is fixed by a buckle, the other side is pressed and fixed by a partition, and the lower volute and the lower volute are fixed by a buckle. The volute fixing plate is connected. In the prior art, the lower volute and the volute fixing plate are usually connected by screws, which makes it difficult to disassemble the lower volute and the volute fixing plate, causing inconvenient assembly and inaccurate positioning.

Utility model content

In view of this, the present utility model aims to provide a volute fixing structure and an air conditioner. The second volute is connected to the volute fixing structure by means of a hook and a clamping hole, and the hook structure realizes the second volute and the volute. The quick assembly of the shell fixing plate improves the installation efficiency and the installation accuracy.

In order to achieve the above object, the technical scheme of the present utility model is achieved in this way:

A volute fixing structure is used for fixedly connecting a second volute of an air conditioner to a volute fixing plate, two sides of the second volute are respectively provided with mounting plates, including a a side mounting plate, a snap hole provided on the volute fixing plate, a snap hook is provided on the surface of the mounting plate, and the snap hook is snap-fitted with the snap hole; the snap hook is inserted into the One end of the clamping hole is provided with a guiding inclined surface, and the guiding inclined surface is used to guide the clamping hook to pass through the clamping hole.

Further, the hook includes a limit plate and a baffle, the limit plate is perpendicular to the installation plate and extends away from the installation plate, and the baffle is located on the limit plate away from the installation. One end of the plate extends downward, and the mounting plate, the limiting plate and the baffle plate form a "U"-shaped notch with an opening downward.

Further, the number of the guide slopes is two, and the two guide slopes are oppositely arranged on both side ends of the baffle.

Further, a positioning post is also provided on the mounting plate, and a positioning hole matching the positioning post is provided on the volute fixing plate.

Further, the positioning column is a circular convex column, and the positioning column is in interference fit with the positioning hole.

Further, a reinforcing rib is provided at the connection between the upper surface of the limiting plate and the mounting plate.

Further, the number of the reinforcing ribs is multiple, and the multiple reinforcing ribs are distributed on the upper surface of the limiting plate at intervals.

Further, the number of the hooks on each of the mounting plates is at least two, and a plurality of the hooks are distributed on the surface of the mounting plate at intervals.

Further, the positioning column is located in the middle of the two hooks distributed at intervals.

Compared with the prior art, the filter screen installation structure of the present invention has the following advantages:

(1) The utility model realizes the fixing of the second volute and the volute fixing structure through the clamping connection between the hooks arranged on the mounting plate and the clamping holes arranged on the volute fixing plate, and simplifies the fixing of the second volute. The installation process reduces production costs; and because the hook is provided with a guiding slope, it is more convenient to clip the hook into the hole, which improves the accuracy of the installation of the second volute, thereby improving the fixing of the volute to the volute. board installation efficiency.

(2) The utility model plays a positioning role on the mounting plate through the matching connection between the positioning column arranged on the mounting plate and the positioning hole arranged on the volute fixing plate, and restricts the hook from moving up and down in the hole; Under the cooperative action of the hook and the clamping hole, the positioning post and the positioning hole, the fixing structure of the volute is not only firmly fixed, but also positioned accurately, avoiding the problem of loosening of the second volute and the fixing plate of the volute during transportation and operation. , to eliminate potential safety hazards; in addition, the above-mentioned volute fixing structure also has the characteristics of convenient disassembly and assembly, which effectively improves the production and assembly efficiency.

The present invention also provides an air conditioner, the air conditioner has the above-mentioned volute fixing structure, and the air conditioner and the volute fixing structure have the same advantages over the prior art. Repeat.

Description of drawings

In order to illustrate the technical solutions in the various embodiments of the present invention more clearly, the following briefly introduces the accompanying drawings that need to be used in the description of the embodiments.

Fig. 1 is the structural representation that the second volute described in the utility model is assembled with the volute fixing plate;

Fig. 2 is an enlarged view at A in Fig. 1;

3 is a side view of the second volute and the volute fixing plate of the utility model assembled;

Fig. 4 is the front view of the second volute described in the utility model;

Fig. 5 is the side view of the second volute described in the utility model;

FIG. 6 is an enlarged view of B in FIG. 5 .

Description of reference numbers:

1-Second volute, 10-Installation plate, 11-Hook, 111-Limiting plate, 112-Baffle plate, 113-Guiding slope, 12-Positioning post, 13-Reinforcing rib, 2-Volute fixing plate, 21-card hole, 22-positioning hole.

Detailed ways

It should be noted that the embodiments of the present invention and the features of the embodiments may be combined with each other under the condition of no conflict.

In addition, a brief description of the orientations involved in this specific embodiment is made: the following refers to the "front", "rear", "upper", "lower", "left", "right", "lower", The directions or positional relationships indicated by "top", "bottom", etc. refer to the orientations or positional relationships shown in the accompanying drawings, and these positional relationships are only for convenience and simplification of description, rather than indicating or implying that the indicated device must be It has a specific orientation, is constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

The above and other technical features and advantages of the present invention will be described in more detail below in conjunction with the accompanying drawings.

Example 1

The volute of the indoor unit of the air conditioner includes a first volute and a second volute 1 located below the first volute. The first volute is fixedly connected to the second volute 1, and the second volute 1 is connected to the volute fixing plate 2. Fixed connection, so as to realize the fixation of the volute inside the indoor unit. 1-3, the present embodiment provides a volute fixing structure for fixing the second volute 1 of the air conditioner to the volute fixing plate 2, including the arrangement on the side of the second volute 1 The mounting plate 10 on the side and the clamping hole 21 provided on the volute fixing plate 2, the mounting plate 10 is provided with a hook 11 on the surface, and the hook 11 is fitted with the clamping hole 21; the hook 11 is inserted into one end of the clamping hole 21 A guide slope 113 is provided, and the guide slope 113 is used to guide the hook 11 to pass through the hole 21 . The present embodiment adopts the above-mentioned volute fixing structure. When the second volute 1 is installed, the hook 11 provided on the second volute 1 is guided by the guide inclined surface 113 and passes through the volute provided on the volute fixing plate 2 . Then the operator applies downward pressure to the hook 11, and the hook 11 slides down and snaps into the hole 21, so that the second volute 1 is fixed on the volute fixing plate 2, and the assembly is completed.

Specifically, as shown in FIGS. 4-6 , the hook 11 includes a limit plate 111 and a baffle plate 112 . The limit plate 111 is perpendicular to the mounting plate 10 and extends horizontally forward (a direction away from the mounting plate 10 ). The limit plate 111 The end away from the mounting plate 10 is bent downward to form a baffle 112. The mounting plate 10, the limit plate 111 and the baffle 112 are enclosed into a "U"-shaped notch with an opening downward. During the installation process, insert the hook 11 into The clamping hole 21 , the “U”-shaped notch can clamp a part of the volute fixing plate 2 at the lower edge of the clamping hole 21 to realize the fixing of the second volute 1 .

Wherein, the two sides of the second volute 1 are respectively provided with mounting plates 10, the mounting plates 10 are in contact with the volute fixing plate 2, and the surface of each mounting plate 10 is provided with a hook 11. Correspondingly, the volute is fixed The board 2 is provided with a plurality of card holes. The number of hooks 11 provided on the mounting plate 10 may be multiple, and the plurality of hooks 11 are distributed at intervals on the side of the mounting plate 10 abutting against the volute fixing plate 2 . A plurality of clamping holes 21 are arranged at relative positions at intervals. Due to the size limitation of the mounting plate 10, the number of the hooks 11 in this embodiment is preferably two, and the upper and lower intervals are distributed on the surface of the mounting plate 10; on the corresponding position of the hook 11 .

The number of guide slopes 112 provided on the hook 11 is also two, and the two guide slopes 113 are oppositely arranged on both sides of the baffle plate 112 , and the baffle plate 112 passes through the clamping hole 21 and abuts the surface of the volute fixing plate 2 In the shape of an isosceles trapezoid, the width of the connecting end of the baffle 112 and the limiting plate 111 is greater than the width of the free end of the baffle 112 (the end away from the limiting plate 111 ), that is, the width of the baffle gradually decreases from top to bottom. In this way, when the hook 11 and the card hole 21 are matched and connected, the free end of the baffle plate 112 is inserted into the card hole 21 first; then under the guidance of the guiding slope 112 , the baffle plate 112 passes through the card hole 21 and drives the limit plate 111 It is located in the clamping hole 21 and is perpendicular to the lower edge of the clamping hole 21 . At this time, the clamping hook 11 and the clamping hole 21 are engaged with each other for clamping and fixing.

It can be understood that the hook 11 matches the hole 21, that is to say, the width of the hole 21 is equal to the width of the hook 11, so that the hook 11 can be inserted into the hole 21; Guide slopes 113 are provided on both sides, and the width of the free end of the baffle 112 is smaller than the width of the connecting end, that is, the width of the insertion end of the baffle 112 into the card hole 21 is smaller than the width of the card hole 21, so that when the baffle 112 is inserted When the clamping hole 12 is inserted, it can be easily inserted without complete alignment, which facilitates the disassembly of the clamping hook 11 and the clamping hole 12 .

Preferably, the hook 11 and the mounting plate 10 are integrally injection-molded, thereby making production and molding easier and improving the structural stability of the hook 11 .

In the volute fixing structure provided in this embodiment, during the fixed connection process of the second volute 1 and the volute fixing structure 2 , it is not necessary to use a screw fixing method. The second volute 1 is fixed on the volute fixing structure 2 , which simplifies the installation process of the second volute 1 and reduces the production cost; and because the hook 11 is provided with a guide slope 113 , the hook 11 can be more easily clipped into In the clamping hole 21 , the accuracy of the installation of the second volute 1 is improved, thereby improving the installation efficiency of the volute 1 and the volute fixing plate 2 .

Embodiment 2

4-6, the difference between this embodiment and the above-mentioned embodiment is that the mounting plate 10 is also provided with a positioning column 12 on the surface that abuts the volute fixing plate 2, and the volute fixing plate 2 is provided with a positioning column 12. The positioning hole 22 matched with the column 12 fixes the mounting plate 10 on the volute fixing plate 2 through the matching between the positioning hole 22 and the positioning column 12 .

Specifically, each mounting plate 10 is provided with at least one positioning column 12 , and correspondingly, the volute fixing plate 2 is provided with a positioning hole 22 at a position corresponding to the positioning column 12 . During installation, insert the hook 11 into the hole 21, apply pressure to move the hook 11 downward, then align the positioning post 12 with the positioning hole 22, and the operator applies pressure to the mounting plate 10 again to snap the positioning post 12 into place Position the hole 22 to complete the fixed connection between the second volute 1 and the volute fixing plate 2 .

Among them, the positioning column 12 is provided on the mounting plate 10 but is not limited to one. In order to make the second volute 1 more firmly mounted on the volute fixing plate 2, under the premise of meeting the assembly requirements of the mounting plate 10, more than one can be set. A positioning column 12 . The present embodiment is limited to the size of the mounting board 10 , each mounting board is provided with a positioning post 12 , and the positioning post 12 is located in the middle of the two hooks 11 distributed at intervals.

In order to ensure that the positioning column 12 moves smoothly and smoothly in the positioning hole 22 and to ensure the accuracy of positioning, the positioning column 12 in this embodiment is preferably a circular convex column, and correspondingly, the positioning hole 22 is a circular hole.

Preferably, in order to make the connection between the second volute 1 and the volute fixing plate 2 more stable, and the positioning column 12 will not loosen or fall off from the positioning hole 22 during the movement or vibration of the air conditioner, the positioning The post 12 is in an interference fit with the positioning hole 22 .

The volute fixing structure provided in this embodiment plays a positioning role on the mounting plate 10 through the matching connection between the positioning column 12 and the positioning hole 22, and restricts the hook 11 from moving up and down in the locking hole 21; , Under the joint action of the positioning column 12 and the positioning hole 22, the volute fixing structure is not only firmly fixed, but also positioned accurately, thereby avoiding the loosening of the second volute 1 and the volute fixing plate 2 during transportation and operation. In addition, the above-mentioned volute fixing structure also has the characteristics of convenient disassembly and assembly, which effectively improves the production and assembly efficiency.

Embodiment 3

4 and 6 , the difference between this embodiment and the above-mentioned embodiment is that a reinforcing rib 13 is provided at the connection between the upper surface of the limiting plate 111 and the mounting plate 10 , and the reinforcing rib 13 is opposite to the limiting plate The height of the upper surface of the 111 gradually increases toward the direction close to the mounting board 10 .

Specifically, the reinforcing rib 13 is in the shape of a raised elongated strip, which is perpendicular to the upper surface of the limiting plate 111 as a whole, and the thickness of the reinforcing rib 13 is the largest at the connection between the limiting plate 111 and the mounting plate 10 , along the limiting plate 111 . The thickness of the plate 111 gradually decreases toward the outside, that is, the cross-section of the reinforcing rib 13 in the vertical direction is a triangle.

Preferably, the number of the reinforcing ribs 13 may be multiple, and the multiple reinforcing ribs 13 are distributed side by side on the upper surface of the limiting plate 111 at intervals. In this embodiment, the number of the reinforcing ribs is preferably three.

In this embodiment, the reinforcing rib 13 is provided at the connection between the hook 11 and the mounting plate 10, thereby increasing the contact area between the hook 11 and the mounting plate 10, and improving the overall strength of the mounting plate 10; The fixed force-bearing surface after the hook 11 is engaged with the locking hole 21 makes the connection between the second volute 1 and the volute fixing plate 2 more stable.

Embodiment 5

An air conditioner includes the above-mentioned volute fixing structure.

The present embodiment provides an air conditioner, which adopts the above-mentioned volute fixing structure, a hook 11 is provided on the mounting plate 10 , and a corresponding clamping hole 21 is provided on the volute fixing plate 12 . The second volute 1 and the volute fixing structure 2 are fixed by snap connection; and the hook 11 is provided with a guide slope 113 , which can more conveniently snap the hook 11 into the hook hole 21 . The mounting plate 10 is also provided with a positioning column 12 on the surface of the mounting plate 10 that is in contact with the volute fixing plate 2 , and the volute fixing plate 2 is provided with a positioning hole 22 that matches the positioning column 12 . The mounting plate 10 is fixed on the volute fixing plate 2 by cooperation.

Compared with the fixing method in which the second volute and the volute fixing structure are connected by screws in the prior art, the air conditioner provided in this embodiment is in the joint cooperation between the hook 11 and the clamping hole 21 , the positioning post 12 and the positioning hole 22 . Under the action, the second volute 1 is fixed on the volute fixing plate 2, which not only simplifies the installation process of the second volute 1, reduces the production cost, has the characteristics of convenient disassembly and assembly, and effectively improves the production and assembly efficiency; It avoids the problem of loosening of the second volute 1 and the volute fixing plate 2 during transportation and operation, and eliminates potential safety hazards.

The above are only preferred embodiments of the present invention, and are not intended to limit the present invention. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the within the scope of protection of the present invention.

Claims (10)

1. a kind of spiral case fixed structure, special for the second spiral case (1) of air conditioner to be fixedly connected with spiral case fixed plate (2) Sign is, including be arranged the second spiral case (1) side mounting plate (10), be arranged on the spiral case fixed plate (2) Card hole (21), mounting plate (10) surface are equipped with grab (11), and the grab (11) is adapted to the card hole (21) clamping；Institute The one end for stating grab (11) insertion card hole (21) is equipped with guiding surface (113), and the guiding surface (113) is for guiding institute Grab (11) are stated across the card hole (21).

2. spiral case fixed structure according to claim 1, which is characterized in that the grab (11) includes limit plate (111) With baffle (112), the limit plate (111) is prolonged perpendicular to the mounting plate (10) and towards far from the mounting plate (10) direction It stretches, the baffle (112) is located at the one end of the limit plate (111) far from the mounting plate (10) and extends downwardly, the peace Loading board (10), the limit plate (111) and the baffle (112) enclose the notch that Open Side Down.

3. spiral case fixed structure according to claim 2, which is characterized in that the quantity of the guiding surface (113) is two A, two guiding surfaces (113) are oppositely arranged on the baffle (112) two side ends.

4. spiral case fixed structure according to claim 3, which is characterized in that be additionally provided with positioning column on the mounting plate (10) (12), the spiral case fixed plate (2) is equipped with and the positioning column (12) matched location hole (22).

5. spiral case fixed structure according to claim 4, which is characterized in that the positioning column (12) is boss column, described Positioning column (12) and the location hole (22) are interference fitted.

6. spiral case fixed structure according to claim 2, which is characterized in that limit plate (111) upper surface with it is described The junction of mounting plate (10) is equipped with reinforcing rib (13).

7. spiral case fixed structure according to claim 6, which is characterized in that the quantity of the reinforcing rib (13) be it is multiple, And multiple reinforcing ribs (13) are distributed in the limit plate (111) upper surface.

8. spiral case fixed structure according to claim 1, which is characterized in that the grab on the mounting plate (10) (11) quantity at least two, multiple grabs (11) are distributed in the mounting plate (10) surface.

9. spiral case fixed structure according to claim 4, which is characterized in that the positioning column (12), which is located at, to be spaced apart Two grabs (11) are intermediate.

10. a kind of air conditioner, which is characterized in that including spiral case fixed structure of any of claims 1-9.