TWI722915B - Pressurization structure of blower housing - Google Patents

Abstract

A pressurizing structure for a blower housing, which at least includes a power seat, a first coupling part, Two half shells, one air outlet, two air inlets, a second coupling part, a connecting key and at least one guiding protrusion; the middle part of the power seat is used to house a motor, and the opposite sides of the motor respectively extend outward A rotating shaft is provided to install a wind impeller; the first coupling part is provided on the power seat; each half-shell is respectively provided on the power seat, and each half-shell includes at least an outer side surface, an inner side surface, and a partial circumference from the outer side surface. A first combined section extending in the direction of the power seat and a second combined section extending from the other part of the outer side surface; each first combined section is respectively arranged in the power seat and has a housing room for accommodating the wind impeller; Each second assembly section is arranged corresponding to each other to form an air outlet communicating with each accommodating chamber; the two air inlets are formed by an opening penetrating each half-shell, and each air inlet communicating with each accommodating chamber; the second joint part It is arranged on the outer surface of each first combination section; the connecting key is arranged between the first and second joining parts to connect each half shell to the power base; at least one guiding protrusion is arranged on the inner surface of each first combination section. Corresponds to the wind impeller.

Description

Pressurization structure of blower housing

The invention relates to a blower housing structure, in particular to a blower housing pressurization structure.

Generally, the conventional blower structure mainly includes a casing and a motor. The casing is provided with a suction port on two opposite sides, and the other side of the casing is provided with an air outlet. The motor is assembled in the middle section of the casing. , The two sides of the motor corresponding to the suction outlet are respectively provided with a wind impeller, the motor drives each of the wind impellers to suck the wind and output it to the outlet; in addition, for the convenience of assembly, a shell is designed as two half shells Body, a motor and a two-wind impeller assembly are arranged on a base, two half-shells are further assembled on two sides of the base to accommodate the two-wind impeller, wherein two half-shells are assembled on the base In most cases, a plurality of first openings are penetrated on the outer side of the casing provided with the air suction port, and the base also penetrates a plurality of second openings corresponding to each of the first openings, and then a screw or rivet method is adopted. To connect each of the first and second openings.

Basically, in order to improve the working efficiency of the blower, in addition to the use of a high-horsepower motor, improving the structure of the wind impeller is also a way to improve the working efficiency of the blower. However, the cost of the above two methods is high, and the improvement of the structure of the wind impeller is not easy. Therefore, how to further improve a shell structure to improve the working efficiency of the blower is also the direction of the industry's efforts.

The main purpose of the present invention is to provide a blower housing pressurization structure, which has a better economic scale to improve the working efficiency of the blower.

The secondary objective of the present invention is to provide a blower housing pressurization structure, which has the characteristics of the pressurization structure mounting and assembly structure.

The reason is that, in order to achieve the foregoing objective, the present invention provides a blower housing pressurization structure, which at least includes a power seat, a first coupling part, two half-shells, an air outlet, two air inlets, and a second air inlet. Two connecting parts, a connecting key and at least one guiding convex part; the middle part of the power seat is used for accommodating a motor, and two opposite sides of the motor are respectively extended outwardly with a rotating shaft for setting a wind impeller; the first connecting part Is attached to the power seat; each half-shell system is respectively set on the power seat, and each half-shell includes at least an outer side surface, an inner side surface, a first combination section extending from a part of the outer side surface toward the power seat direction, and a The second combination section extends from the other part of the outer side of the periphery; each first combination section is arranged on the power seat and has a housing room to accommodate the wind impeller; each second combination section is arranged corresponding to each other An air outlet is formed to communicate with each accommodating chamber; two air inlets are formed by an opening that penetrates each half-shell, and each air inlet is connected to each accommodating chamber; the second joint part is set in each first combination section The outer side surface; the connecting key is set between the first joint portion and the second joint portion to connect the half-shells to the power seat; at least one guiding protrusion is set on the inner surface of each first combination Corresponds to the wind impeller.

Hereinafter, a preferred embodiment of the present invention is cited, and further detailed description is given in conjunction with the drawings as follows:

12: Power seat

13: The first joint

14: Half shell

15: Air outlet

16: air inlet

17: The second joint

18: Connection key

19: Guiding convex part

22: side

26: Through hole

261: Motor

262: Rotation Axis

263: Wind Impeller

42: Outer side

44: inside

46: The first combination paragraph

48: The second combination segment

28: storage room

461: inside

19’: recess

Figure 1 is a perspective view of a preferred embodiment of the present invention.

Figure 2 is an exploded perspective view of a preferred embodiment of the present invention.

Fig. 3 is a cross-sectional view of Fig. 1 in the direction 3-3.

Figure 4 is an exploded perspective view of a preferred embodiment of the present invention equipped with a motor and two wind impellers.

1 to 4, the blower housing pressurization structure disclosed in the present invention includes at least a power seat 12, a first coupling portion 13, two half-shells 14, an air outlet 15, and two air inlets 16. , A second connecting portion 17, a connecting key 18 and at least one guiding convex portion 19.

The power base 12 includes at least two opposite side surfaces 22. A through hole 26 is provided between the middle sections of the two side surfaces 22 for accommodating a motor 261. The opposite sides of the motor 261 respectively extend outward in the direction of the two side surfaces 22. A rotating shaft 262 is provided for setting a wind impeller 263.

The first coupling portion 13 is provided on each of the side surfaces 22, and the first coupling portion 13 can be configured as at least two spaced apart openings. In this embodiment, the first coupling portion 13 can be configured as three spaced apart openings. Open holes.

The two half-shells 14 are respectively arranged on the two side surfaces 22 of the power seat 12. Each half-shell 14 includes at least an outer side 42, an inner side 44, and a part of the outer side 42 facing the power. A first assembly section 46 extending in the direction of the seat 12 and a second assembly section 48 extending from another part of the peripheral side of the outer side surface 42.

Each of the first combined sections 46 is grouped and arranged on the power seat 12 respectively, so that each of the first combined sections 46 and the two side surfaces 22 of the power seat 12 respectively form an accommodation chamber 28 for accommodating the wind impeller 263 .

Each of the second combination sections 48 is arranged in groups corresponding to each other, so that the air outlet 15 is formed between each of the second combination sections 48 to communicate with each of the accommodation chambers 28.

The two air inlets 16 are formed by an opening that penetrates the outer side 42 and the inner side 44 of each half-shell 14, and each of the air inlets 16 is connected to each of the accommodating chambers 28 respectively.

The second coupling portion 17 is corresponding to the first coupling portion 13 and is provided on the outer side surface of each of the first assembly sections 46. In this embodiment, the second coupling portion 17 can be set as an opening.

The connecting key 18 is arranged between the first connecting portion 13 and the second connecting portion 17 to connect each of the half shells 14 to the power base 12, and the connecting key 18 can be a screw or a rivet .

At least one guiding protrusion 19 is provided on the inner side 461 of each first assembly section 46 and corresponds to the wind impeller 263.

In the present invention, by the design of the guiding protrusion 19, when the motor 261 drives the wind impeller 263, a fluid such as gas enters the containing chamber 28 from the two air inlets 16 and is transported to the air outlet 15, then When the fluid passes through the position of the guiding protrusion 19, a drainage effect will be generated to pressurize the fluid, making the present invention more efficient.

In the pressurization structure of the blower housing disclosed in this embodiment, the position of the guiding protrusion 19 corresponds to the position of the second coupling portion 17 for each of the first assembly sections 46 corresponding to the position of the guiding protrusion 19 A pair of concave portions 19' which should guide the convex portion 19 are formed on the outer side surface; further, one end of the concave portion 19' is adjacent to the second coupling portion 17, and the present invention uses the connecting key 18 as a screw or a rivet to connect the first When the connecting portion 13 is an open hole and the second connecting portion 17 is an open hole, the concave portion 19 ′ provides a better assembly work space to connect the half-shells 14 to the power base 12.

In the blower housing pressurization structure disclosed in this embodiment, the guiding protrusion 19 can be set as a long protrusion in the axial direction of the rotating shaft 262, and the recess 19' can be set as a groove .

12: Power seat

13: The first joint

14: Half shell

16: air inlet

17: The second joint

18: Connection key

19: Guiding convex part

22: side

26: Through hole

42: Outer side

44: inside

46: The first combination paragraph

48: The second combination segment

28: storage room

461: inside

19’: recess

Claims (6)

A booster structure for a blower housing, which at least includes: a power seat, which includes at least two opposite side surfaces, a through hole is provided between the middle sections of the two side surfaces for accommodating a motor, and the opposite sides of the motor respectively face the A rotating shaft extends outward in the direction of the two side surfaces for installing a wind impeller; a first joint part is arranged on each side; two half-shells, each half-shell system is respectively arranged on the second of the power seat Side surface, each half-shell at least includes an outer side surface, an inner side surface, a first combination section extending from a part of the outer side surface toward the power seat, and a part of the outer side surface extending from the other side of the circumference The second combination section; each of the first combination sections are respectively grouped and arranged on the power seat, so that each of the first combination sections and the two sides of the power seat form an accommodation chamber to accommodate the wind impeller; each The second combined sections are arranged correspondingly to each other, so that an air outlet is formed between each of the second combined sections to communicate with each accommodating chamber; the two air inlets are formed by a penetrating through the outer side of each half shell and the inner The side openings are formed, each of the air inlets is connected to each of the accommodating chambers; a second joint part, which is corresponding to the first joint part and is provided on the outer side of each of the first combination sections; a connecting key , Which is arranged between the first joint part and the second joint part, and is used to connect each of the half shells to the power base; at least one guiding protrusion is arranged on each of the first combination sections The inner side corresponds to the wind impeller. According to the pressurization structure of the blower housing according to the scope of the patent application, wherein: the first coupling portion is set as at least two spaced-apart openings, and the second coupling portion is set as an opening for the connection key system Choose from the group of screws and rivets; the position of the guide protrusion corresponds to the position of the second joint, and is used to form a pair of guides on the outer surface of each first assembly section corresponding to the position of the guide protrusion The concave part of the convex part. According to the pressurization structure of the blower housing according to item 2 of the scope of patent application, one end of the concave portion is adjacent to the second coupling portion. According to the pressurization structure of the blower housing according to the first item of the scope of patent application, the guiding protrusion is set as a long protrusion in the axial direction of the rotating shaft. According to the pressurization structure of the blower housing according to the second item of the scope of patent application, the guiding convex portion is configured as a long protrusion in the axial direction of the rotating shaft, and the concave portion is configured as a groove. According to the blower housing pressurization structure described in item 3 of the scope of patent application, the guiding convex portion is configured as a long protrusion in the axial direction of the rotating shaft, and the concave portion is configured as a groove.

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