CN218118121U - Fan shell and fan module - Google Patents

Abstract

The utility model provides a fan casing and fan module, fan casing includes: a first housing; the second shell is covered and buckled on one side of the first shell and defines an air outlet machine cavity with the first shell; the second shell is provided with a first groove at the position connected with the first shell, and the first shell is correspondingly provided with a first concave-convex matching structure matched with the first groove; the first concave-convex matching structure is embedded into the first groove, so that the sealing performance between the first shell and the second shell is improved. The utility model discloses a scheme makes first unsmooth cooperation structure imbed in the first recess through set up first recess and first unsmooth cooperation structure on adjacent first casing and second casing respectively, has not only improved the leakproofness between first casing and the second casing, avoids leaking out between first casing and the second casing, simple structure moreover, simple to operate.

Description

Fan shell and fan module

Technical Field

The utility model relates to a fan technical field especially relates to a fan casing and fan module.

Background

The edge of the shell of the fan in the prior art is generally provided with a bulge, and the bulges between the two shells are mutually abutted, so that the shell is sealed. However, such a protrusion is easily deformed, resulting in poor sealing between the two housings, and thus, air leakage. In addition, the casing of the fan in the prior art is usually assembled and fixed by screws, so that not only is the installation complicated and time-consuming, but also the risk of cracking of the casing is increased by the screw holes in the casing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a solve fan casing and fan module of any aspect of above-mentioned technical problem at least.

The utility model discloses a further purpose improves the leakproofness between the fan casing.

The utility model discloses another further purpose is to simplify the mounting structure of fan casing, reduces the assembly degree of difficulty, reduces the fracture risk of fan casing.

Particularly, the utility model provides a fan shell, include: a first housing; the second shell is covered and buckled on one side of the first shell and defines an air outlet machine cavity with the first shell; the second shell is provided with a first groove at the position connected with the first shell, and the first shell is correspondingly provided with a first concave-convex matching structure matched with the first groove; the first concave-convex matching structure is embedded into the first groove, so that the sealing performance between the first shell and the second shell is improved.

Furthermore, a plurality of first buckles are formed on one side, adjacent to the first shell, of the second shell at intervals, and the plurality of first buckles extend from the side wall of the second shell to the direction of the first shell; the first shell is provided with a plurality of first bulges at one side adjacent to the second shell at intervals, and the first bulges correspond to the first buckles one to one so as to fix the second shell on the first shell.

Further, the fan casing still includes: the third shell is arranged on the other side of the first shell, and an air inlet cavity is defined by the shell and the first shell; a second groove is formed at the position where the first shell is connected with the third shell, and a second concave-convex matching structure matched with the second groove is correspondingly formed on the third shell; the second concave-convex matching structure is embedded into the second groove, so that the sealing performance between the first shell and the third shell is improved.

Furthermore, a plurality of second protrusions are formed on one side of the third shell adjacent to the first shell at intervals, and the plurality of second protrusions extend outwards from the side wall of the third shell; the first shell is provided with a plurality of second buckles at one side adjacent to the third shell at intervals, the second buckles extend from the side wall of the first shell to the third shell and are matched with the second bulges one by one so as to fix the third shell on the first shell.

Further, the first shell and the second shell are also provided with at least one air outlet, so that the airflow in the fan cavity flows out through the at least one air outlet.

Further, the first housing has an opening formed in a central region thereof to connect the fan chamber and the air inlet chamber.

Further, a grating is arranged at the opening.

Furthermore, the first shell and the third shell are also provided with air inlets, so that external air flows into the air inlet cavity through the air inlets.

The utility model also provides a fan module, include: any one of the fan housings described above; and the fan is arranged in a fan cavity of the fan shell.

Further, the fan is a centrifugal fan.

The utility model discloses a fan casing and fan module owing to set up first recess on the second casing, set up on first casing with the first concave-convex structure of first recess complex, when making first casing and second casing assembly, in the first concave-convex structure embedding first recess to improve the leakproofness between first casing and the second casing, avoided leaking out between first casing and the second casing.

Further, the utility model discloses a fan casing and fan module through set up a plurality of first archs on first casing, set up a plurality of first buckles on the second casing, utilize first arch and first buckle with first casing and second casing erection fixation together, not only reduced the installation degree of difficulty, practiced thrift assembly cost, optimized the structure of first casing and second casing moreover, avoid setting up the screw hole that is used for the installation to fix on first casing and second casing to the fracture risk of first casing and second casing has been reduced.

The above and other objects, advantages and features of the present invention will become more apparent to those skilled in the art from the following detailed description of specific embodiments thereof, taken in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the invention will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers in the drawings identify the same or similar elements or components. Those skilled in the art will appreciate that the drawings are not necessarily drawn to scale. In the drawings:

fig. 1 is a schematic block diagram of a fresh air housing according to an embodiment of the present invention;

FIG. 2 is a schematic enlarged partial view of region A of FIG. 1;

FIG. 3 is a schematic cross-sectional view taken along section line B-B in FIG. 1;

FIG. 4 is a schematic partial enlarged view of region C in FIG. 3;

FIG. 5 is a schematic, fragmentary, enlarged view of region D in FIG. 3;

fig. 6 is a schematic structural diagram of a first housing of a fresh air housing according to an embodiment of the present invention;

fig. 7 is a schematic block diagram of a second housing of the fresh air housing according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a third housing of the fresh air housing according to an embodiment of the present invention;

fig. 9 is a schematic structural diagram of a fresh air module according to an embodiment of the present invention;

fig. 10 is a schematic exploded view of a fresh air module according to an embodiment of the present invention.

Detailed Description

The present invention will be described in detail below with reference to the embodiments shown in fig. 1 to 10. However, these embodiments are not intended to limit the present invention, and structural, methodical, or functional changes that may be made by one of ordinary skill in the art based on these embodiments are all included in the scope of the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated.

Fig. 1 is a schematic structural diagram of a fresh air housing according to an embodiment of the present invention. Fig. 2 is a schematic partial enlarged view of the area a in fig. 1. Fig. 3 is a schematic cross-sectional view taken along a sectional line B-B in fig. 1. Fig. 4 is a schematic partial enlarged view of the region C in fig. 3. Fig. 5 is a schematic partial enlarged view of region D in fig. 3. Fig. 6 is a schematic structural diagram of the first casing 100 of the fresh air casing according to an embodiment of the present invention. Fig. 7 is a schematic structural view of a second casing 200 of the fresh air casing according to an embodiment of the present invention. Fig. 8 is a schematic structural view of a third casing 300 of the fresh air casing according to an embodiment of the present invention. Fig. 9 is a schematic structural diagram of a fresh air module according to an embodiment of the present invention. Fig. 10 is a schematic exploded view of a fresh air module according to an embodiment of the present invention.

The utility model discloses a scheme at first provides a fan casing 10, and this fan casing 10 can generally include: a first housing 100 and a second housing 200.

The second casing 200 is covered on one side of the first casing 100, and defines an air outlet chamber 210 with the first casing 100. The second housing 200 is formed with a first groove 220 at a position where the second housing is connected to the first housing 100, and the first housing 100 is correspondingly formed with a first concave-convex matching structure 110 matching with the first groove 220. The first concave-convex matching structure 110 is embedded in the first groove 220 to improve the sealing property between the first casing 100 and the second casing 200.

As shown in fig. 3, the second housing 200 is disposed at one side of the first housing 100 and is snap-fitted to the first housing 100 to define an air inlet chamber 310.

In the solution of this embodiment, the first groove 220 is disposed at the position where the second housing 200 is connected to the first housing 100, and the first concave-convex structure matched with the first groove 220 is correspondingly disposed on the first housing 100, so that when the first housing 100 and the second housing 200 are buckled together, the first concave-convex structure is embedded into the first groove 220. The first concave-convex structure is simultaneously constrained by the two groove walls of the first groove 220, so that the edges of the first shell 100 and the second shell 200 are tightly matched, and gaps are not easy to deform, thereby improving the sealing property between the first shell 100 and the second shell 200 and solving the problems of air leakage and the like between the first shell 100 and the second shell 200.

Further, according to the solution of the present embodiment, the edge of the second housing 200 is provided with the U-shaped first groove 220, and the edge of the second housing 200 is provided with the first concave-convex matching structure 110, so that the structural stability of the joint of the first housing 100 and the second housing 200 is improved, and the risk of deformation of the structure of the joint of the first housing 100 and the second housing 200 is reduced.

In some embodiments, the first groove 220 may also be disposed on the edge of the first casing 100 adjacent to the second casing 200, and the first concave-convex matching structure 110 is correspondingly disposed on the second casing 200.

The second housing 200 is formed with a plurality of first latches 230 at intervals on a side adjacent to the first housing 100, and the plurality of first latches 230 are formed by extending from a sidewall of the second housing 200 toward the first housing 100. The first housing 100 is formed with a plurality of first protrusions 120 at intervals on a side adjacent to the second housing 200, and the plurality of first protrusions 120 correspond to the plurality of first latches 230 one to one, so as to fix the second housing 200 to the first housing 100.

According to the scheme of the embodiment, the plurality of first protrusions 120 and the plurality of first buckles 230 are respectively arranged on the first shell 100 and the second shell 200, and the first shell 100 and the second shell 200 are assembled together by using the plurality of first protrusions 120 and the plurality of first buckles 230, so that the installation stability of the first shell 100 and the second shell 200 is improved, the assembly is convenient, the assembly efficiency is improved, and the production and installation cost is reduced.

Further, according to the scheme of the embodiment, installation is performed only in a clamping connection mode, and screw assembly is avoided, so that the assembly cost and the installation time of the fan shell 10 are reduced. Meanwhile, the screw holes are prevented from being arranged on the first shell 100 and the second shell 200, so that the cracking risk of the first shell 100 and the second shell 200 is reduced, and the deformation risk of the first shell 100 and the second shell 200 during injection molding is reduced.

In some preferred embodiments, the number of the first catches 230 and the first protrusions 120 may be preferably set to five. In other embodiments, more first protrusions 120 and first latches 230 may be further disposed on the first and second housings 100 and 200, so as to improve the installation stability of the first and second housings 100 and 200. The greater the number of the first snaps 230 and the first protrusions 120, the greater the mounting stability of the first and second housings 100 and 200, but the production and mounting costs are increased accordingly. Therefore, the number of the first snap 230 and the first protrusion 120 can be set according to actual requirements, considering the installation stability and the production installation cost.

In some embodiments, the positions of the first latch 230 and the first protrusion 120 may be flexibly changed, the first latch 230 may be disposed on the first housing 100, and the first protrusion 120 is correspondingly disposed on the second housing 200.

The fan housing 10 may also generally include: and a third housing 300.

The third casing 300 covers the other side of the first casing 100 to define an air inlet chamber 310 with the first casing 100. The first casing 100 is formed with a second groove 130 at a position where the first casing is connected to the third casing 300, and the third casing 300 is correspondingly formed with a second concave-convex matching structure 320 matched with the second groove 130. The second concave-convex matching structure 320 is embedded in the second groove 130 to improve the sealing property between the first casing 100 and the third casing 300.

As shown in fig. 3, the third housing 300 is fastened to the other side of the first housing 100 (i.e., the side opposite to the side where the second housing 200 is located), and the third housing 300 and the first housing 100 together define an air inlet chamber 310.

According to the scheme of this embodiment, the second groove 130 is formed in the first casing 100, and the second concave-convex matching structure 320 matched with the second groove 130 is formed in the third casing 300, so that when the third casing 300 is covered and fastened on the first casing 100, the second concave-convex matching structure 320 is embedded into the second groove 130, thereby improving the sealing property between the first casing 100 and the third casing 300, and preventing the air flow in the air inlet cavity 310 from leaking from the joint of the first casing 100 and the third casing 300.

Further, according to the embodiment, the edge of the first casing 100 adjacent to the third casing 300 is provided as the U-shaped first groove 220, and the second concave-convex matching structure 320 is correspondingly provided at the edge of the third casing 300, so that the structural stability of the joint of the first casing 100 and the second casing 200 is improved, and the risk of deformation of the structure of the joint of the first casing 100 and the second casing 200 is reduced.

In some embodiments, the second groove 130 may also be disposed on the edge of the third housing 300 adjacent to the first housing 100, and the second concave-convex matching structure 320 is correspondingly disposed on the first housing 100.

The third housing 300 is formed with a plurality of second protrusions 330 at intervals on a side adjacent to the first housing 100, and the plurality of second protrusions 330 are formed by extending outward from a sidewall of the third housing 300. The first casing 100 is formed with a plurality of second latches 140 at intervals on a side adjacent to the third casing 300, and the plurality of second latches 140 extend from the sidewall of the first casing 100 to the third casing 300 and cooperate with the plurality of second protrusions 330 one by one to fix the third casing 300 to the first casing 100.

In the solution of this embodiment, the plurality of second fasteners 140 are disposed at intervals on a side of the first casing 100 facing the third casing 300, and the plurality of second fasteners 140 are fastened to the plurality of second protrusions 330 correspondingly disposed on the third casing 300 one by one, so that the third casing 300 is fixed to the first casing 100. The first shell 100 and the third shell 300 are fixed together by the plurality of second buckles 140 and the plurality of second protrusions 330, so that the structure is simple, the installation is convenient, and the production cost is reduced; and installation tools such as screws are avoided, and screw holes for installing screws are avoided being arranged on the first shell 100 and the third shell 300, so that the cracking risk of the first shell 100 and the third shell 300 is reduced, the deformation risk of the first shell 100 and the second shell 200 during injection molding is reduced, and the structural stability of the first shell 100 and the third shell 300 is further improved.

In some embodiments, the positions of the second latch 140 and the second protrusion 330 can be flexibly changed, the second latch 140 can be disposed on the third housing 300, and the second protrusion 330 is correspondingly disposed on the first housing 100.

The first casing 100 and the second casing 200 are further formed with at least one air outlet 240, so that the air flow in the blower cavity 210 flows out through the at least one air outlet 240.

As shown in fig. 1, in the solution of the present embodiment, at least one air outlet 240 is formed between the first casing 100 and the second casing 200, so that the air flow in the fan cavity 210 flows out to the outside through the air outlet 240.

In some preferred embodiments, two air outlets 240 may be disposed between the first casing 100 and the second casing 200, and the two air outlets 240 are disposed opposite to each other and located at two ends of the fan cavity 210, so as to guide the airflow in the fan cavity 210 to two opposite directions, respectively, and achieve simultaneous air supply in different directions.

In other embodiments, a plurality of air outlets 240 may be disposed between the first casing 100 and the second casing 200, and the plurality of air outlets 240 are spaced apart from each other, so as to guide the airflow in the fan cavity 210 to a plurality of different directions, thereby providing the airflow in different directions at the same time. The number of the air outlets 240 and the position relationship between the air outlets can be set according to actual requirements.

The first housing 100 is formed at a central region thereof with an opening 150 to communicate the blower chamber 210 and the air inlet chamber 310.

As shown in fig. 3, the first casing 100 is fastened to the second casing 200 and the third casing 300 at both sides thereof to form a blower chamber 210 and an air inlet chamber 310. By providing the opening 150 in the central region of the first housing 100, communication between the blower chamber 210 and the air inlet chamber 310 is achieved, so that the air flow in the air inlet chamber 310 can flow through the opening 150 to the blower chamber 210.

A grill 160 is provided at the opening 150.

In the solution of this embodiment, the grille 160 is disposed at the opening 150 of the first casing 100, so that the airflow flowing through the opening 150 is filtered while the airflow flowing through the air inlet chamber 310 and the fan chamber 210 is ensured, thereby preventing impurities and the like from flowing between the air inlet chamber 310 and the fan chamber 210, and improving the air quality of the airflow.

The first casing 100 and the third casing 300 are further formed with an air inlet 340 so that the external air flows into the air inlet chamber 310 through the air inlet 340.

As shown in fig. 1, the first and third housings 100 and 300 are formed with an intake vent 340, and the intake vent 340 communicates with the intake chamber 310, so as to ensure that the external air flows into the intake chamber 310 through the intake vent 340.

The solution of the embodiment further provides a fan module 20, and the fan module 20 may generally include: the fan case 10 of any of the above; and a blower 400 disposed in the blower cavity 210 of the blower housing 10.

The fan 400 is disposed in the fan cavity 210, and under the action of the fan 400, the airflow flows into the air inlet cavity 310 through the air inlet 340, then flows into the fan cavity 210 through the opening 150 of the first housing 100, and finally flows out of the air outlet 240.

The fan 400 is a centrifugal fan 400.

In the solution of this embodiment, the fan 400 in the fan cavity 210 is set as the centrifugal fan 400, so that the airflow flowing into the fan cavity 210 in the axial direction can flow to the air outlet 240 arranged in the radial direction under the action of the centrifugal fan 400.

In addition, the centrifugal fan 400 has the advantages of stable operation, low noise, large air volume and convenient maintenance.

According to the scheme of the embodiment, the first groove 220, the first concave-convex matching structure 110, the second groove 130 and the second concave-convex matching structure 320 which are structurally matched are respectively arranged at the joint of the first shell 100, the second shell 200 and the third shell 300, and the sealing performance and the structural stability of the joint of the first shell 100, the second shell 200 and the third shell 300 are improved by utilizing an embedded structure.

Further, according to the scheme of the embodiment, the first buckle 230, the second buckle 140, the first protrusion 120 and the second protrusion 330 are arranged, so that the first shell 100, the second shell 200 and the third shell 300 are assembled together without screws, the installation is convenient, the installation cost is reduced, the arrangement of screw holes on the fan shell 10 is avoided, and the risk of cracking and deformation of the fan shell 10 is reduced.

Thus, it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the invention have been shown and described in detail herein, many other variations and modifications can be made to the invention consistent with the principles of the invention, which may be directly determined or derived from the disclosure of the present invention, without departing from the spirit and scope of the invention. Accordingly, the scope of the present invention should be understood and interpreted to cover all such other variations or modifications.

Claims (10)

1. A fan casing, comprising:

a first housing;

the second shell is covered and buckled on one side of the first shell and defines an air outlet machine cavity with the first shell; wherein

A first groove is formed at the position where the second shell is connected with the first shell, and a first concave-convex matching structure matched with the first groove is correspondingly formed on the first shell;

the first concave-convex matching structure is embedded into the first groove, so that the sealing performance between the first shell and the second shell is improved.

2. A fan housing according to claim 1,

the second shell is provided with a plurality of first buckles at one side adjacent to the first shell at intervals, and the plurality of first buckles extend from the side wall of the second shell to the direction of the first shell;

the first shell is provided with a plurality of first bulges at one side adjacent to the second shell at intervals, and the first bulges are in one-to-one correspondence with the first buckles so as to fix the second shell on the first shell.

3. The fan housing of claim 1, further comprising:

the third shell is covered with the shell on the other side of the first shell, and an air inlet cavity is defined by the third shell and the first shell; wherein

A second groove is formed in the position, connected with the third shell, of the first shell, and a second concave-convex matching structure matched with the second groove is correspondingly formed on the third shell;

the second concave-convex matching structure is embedded into the second groove, so that the sealing performance between the first shell and the third shell is improved.

4. A fan housing according to claim 3,

the third shell is provided with a plurality of second bulges at intervals at one side adjacent to the first shell, and the second bulges are formed by extending outwards from the side wall of the third shell;

the first shell is provided with a plurality of second buckles at one side adjacent to the third shell at intervals, the second buckles extend from the side wall of the first shell to the third shell and are matched with the second bulges one by one so as to fix the third shell on the first shell.

5. A fan housing according to claim 1,

the first shell and the second shell are also provided with at least one air outlet, so that the airflow in the fan cavity flows out through the at least one air outlet.

6. A fan housing according to claim 3,

an opening is formed in the central area of the first shell to communicate the fan cavity with the air inlet cavity.

7. A fan housing according to claim 6,

the opening is provided with a grid.

8. A fan housing according to claim 3,

the first shell and the third shell are further provided with air inlets, so that outside air flows into the air inlet cavity through the air inlets.

9. A fan module, comprising:

a fan casing according to any one of claims 1 to 8; and

and the fan is arranged in the fan cavity of the fan shell.

10. The fan module of claim 9,

the fan is a centrifugal fan.

Images