CN113279982A

CN113279982A - Fan structure

Info

Publication number: CN113279982A
Application number: CN202110601215.9A
Authority: CN
Inventors: 郭红飞; 唐秀文
Original assignee: Foshan City Nanhai Jiuzhou Popula Fan Co Ltd
Current assignee: Foshan City Nanhai Jiuzhou Popula Fan Co Ltd
Priority date: 2021-05-31
Filing date: 2021-05-31
Publication date: 2021-08-20

Abstract

The invention discloses a fan structure, comprising: the upper edge and the lower edge of the worm plate are bent to form a worm shell shape, a first gap is formed between the top edge of the worm plate and the bottom edge of the worm plate, the top edge of the worm plate is turned over to form a first mounting flange, the bottom edge of the worm plate is turned over to form a second mounting flange, and the first mounting flange and the second mounting flange are coplanar; the two side plates are respectively detachably connected to the left side and the right side of the worm plate, an accommodating space is enclosed between the two side plates and the worm plate, at least one side plate is provided with an air inlet, at least one side edge of each side plate is turned over to form a third mounting flange, and each side plate is provided with a third mounting flange coplanar with the first mounting flange; the impeller is positioned in the accommodating space, the driving motor is arranged in the impeller and is connected to the impeller in a driving mode, and the driving motor is relatively fixed on at least one side plate.

Description

Fan structure

Technical Field

The invention relates to a fan, in particular to a fan structure.

Background

Traditional spiral case is by left and right sides board, the bounding wall, the snail tongue, the air outlet flange is constituteed, overall structure is more, the structure is complicated, every structure independent production, processing, then assemble by manual work or machinery again, production efficiency is lower, and the spiral case that forms after the production equipment need install the undercarriage again, need select the actual mounted position of undercarriage according to the use needs this moment, the whole fan that the equipment formed is not general to the angle of difference, when the user demand changes, then will carry out the dismouting to the undercarriage, the commonality is relatively poor, it is not nimble enough to use.

Disclosure of Invention

The present invention is directed to a fan structure, which solves one or more of the problems of the prior art, and provides at least one of the advantages of the present invention.

The solution of the invention for solving the technical problem is as follows:

a fan structure comprising: the upper edge and the lower edge of the worm plate are bent to form a worm shell shape, a first gap is formed between the top edge of the worm plate and the bottom edge of the worm plate, the top edge of the worm plate is turned to form a first mounting flange, the bottom edge of the worm plate is turned to form a second mounting flange, and the first mounting flange and the second mounting flange are coplanar; the two side plates are respectively detachably connected to the left side and the right side of the worm plate, an accommodating space is enclosed between the two side plates and the worm plate, at least one side plate is provided with an air inlet, the air inlet is mutually communicated with the accommodating space, at least one side edge of each side plate is turned over to form a third mounting flange, and each side plate is provided with the third mounting flange coplanar with the first mounting flange; the impeller is located in the accommodating space, a driving motor is arranged in the impeller, the driving motor is connected to the impeller in a driving mode, and the driving motor is fixed on at least one side plate relatively.

The technical scheme at least has the following beneficial effects: the volute plate and the side plates positioned on two sides of the volute plate are enclosed to form a containing space, an air outlet is formed in a first gap between the top edge and the bottom edge of the volute plate, an air inlet communicated with the containing space is formed in the side plates, the impeller and the driving motor are both positioned in the containing space, the driving motor is not externally arranged, the performance of the fan is better kept, the driving motor is relatively fixed on the side plates, the impeller is driven to rotate, when the volute plate is integrally installed, a first installation flanging formed on the top edge of the volute plate and a second installation flanging formed on the bottom edge of the volute plate are arranged, a third installation flanging formed on the side edge of the side plate is coplanar, an installation plane is formed jointly, independent air outlets and volute tongues are not needed, the number of integral structural parts is reduced, the production is saved, the manufacturing cost is lowered, and the assembling efficiency is improved.

As a further improvement of the technical scheme, the side plates are polygonal, and each side edge of each side plate is provided with the third mounting flange. The third installation turn-ups on the curb plate except can conveniently connect the curb plate erection, still can strengthen the anti-bending ability of curb plate, and every side of polygonal curb plate all has the third installation turn-ups, except can improving its structural stability by a wide margin, still can improve the convenience of installation, and third installation turn-ups itself can be used for erection joint as the machine foot, and the installation of adaptable different angles further improves whole commonality.

As a further improvement of the technical scheme, the left side edge and the right side edge of the worm-gear are both connected with the plug pins, the positions of the side plates, which are opposite to the plug pins, are provided with positioning holes, the plug pins are inserted into the positioning holes opposite to the plug pins, the plug pins penetrate through the positioning holes and then are bent to form riveting parts, and the riveting parts are pressed on the side plates. The worm plate and the side plate are connected through the matching of the pin and the positioning hole, so that rapid assembly can be realized, the pin is only required to be correspondingly inserted into the positioning hole right opposite to the pin, the part protruding out of the positioning hole after insertion is bent, and the riveting part is formed to be pressed on the side plate, so that fixation can be realized.

As a further improvement of the above technical solution, the second mounting flange includes an air guide section and a mounting section that are connected to each other, the air guide section is inclined downward in a direction away from the accommodating space, and the mounting section is coplanar with the first mounting flange. The air guide section outwards expands, so that air outlet is smoother, an independent air outlet and a volute tongue are not needed, and the air outlet formed by the first gap can be connected to a peripheral structure directly by means of the installation section and the first installation flanging.

As a further improvement of the above technical scheme, an air inlet flange is arranged on the side plate, the air inlet flange comprises an air guide cylinder and a mounting ring connected to one end of the air guide cylinder, the other end of the air guide cylinder is inserted into the air inlet, and the mounting ring is abutted against the side plate. The air duct can guide air entering the accommodating space, and the mounting ring directly abuts against the side plate, so that the mounting connection is facilitated.

As a further improvement of the technical scheme, a motor supporting frame is arranged on the mounting ring, and the driving motor is connected to the motor supporting frame. In order to fix the driving motor on the side plate relatively, a motor supporting frame is arranged on the mounting ring, and the driving motor is directly connected to the motor supporting frame.

As a further improvement of the above technical solution, the motor support frame includes three support plates uniformly arranged around the mounting ring, the support plates include a first straight section, an arc section, a second straight section, a twisted section and an overlapping section which are connected in sequence, the second straight section is perpendicular to the side plate, the overlapping section is parallel to the side plate, the overlapping section is overlapped on the mounting ring, the arc sections in the three support plates surround a closed mounting space, the first straight section in one support plate is fixedly connected to the second straight section in another adjacent support plate, and the driving motor is connected to the mounting space through a bearing. Overlap joint section and curb plate are parallel to each other, and on easy to assemble was connected to the collar, and the straight section perpendicular to curb plate of second, reducible air inlet blockked, and three backup pad encircles the collar and evenly sets up, and three arc section end to end encloses into confined installation space to including supplying driving motor installation fixed, the straight section of first straight section then fixed connection in the straight section of second of another backup pad in a backup pad, make three backup pad connect and form a whole.

As a further improvement of the above technical scheme, the air inlets are formed in both the two side plates, and the driving motor is an outer rotor motor. Whole fan is two air inlet structures, and the direct built-in accommodation space of external rotor motor drives the impeller and rotates in inside and induced drafts.

Drawings

In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below. It is clear that the described figures are only some embodiments of the invention, not all embodiments, and that a person skilled in the art can also derive other designs and figures from them without inventive effort.

FIG. 1 is an integrally assembled perspective view of the present invention;

FIG. 2 is a schematic diagram of the overall explosion of the present invention;

FIG. 3 is a perspective view of the snail plate of the present invention;

fig. 4 is a schematic structural diagram of the motor support frame of the invention.

In the drawings: 100-worm plate, 110-first mounting flange, 120-second mounting flange, 121-wind guide section, 122-mounting section, 200-side plate, 210-third mounting flange, 220-air inlet, 230-positioning hole, 300-impeller, 310-driving motor, 400-air inlet flange, 500-motor support frame, 510-first straight section, 520-arc section, 530-second straight section, 540-twist section and 550-lap section.

Detailed Description

The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention. In addition, all the connection relations mentioned herein do not mean that the components are directly connected, but mean that a better connection structure can be formed by adding or reducing connection accessories according to the specific implementation situation. All technical characteristics in the invention can be interactively combined on the premise of not conflicting with each other.

Referring to fig. 1 and 2, a blower structure includes: the upper edge and the lower edge of the worm plate 100 are bent to form a volute shape, a first gap is formed between the top edge of the worm plate 100 and the bottom edge of the worm plate 100, the top edge of the worm plate 100 is folded to form a first mounting flange 110, the bottom edge of the worm plate 100 is folded to form a second mounting flange 120, and the first mounting flange 110 and the second mounting flange 120 are coplanar; the two side plates 200 are respectively detachably connected to the left side and the right side of the scroll plate 100, an accommodating space is defined between the two side plates 200 and the scroll plate 100, at least one side plate 200 is provided with an air inlet 220, the air inlet 220 is mutually communicated with the accommodating space, at least one side edge of each side plate 200 is turned over to form a third mounting flange 210, and each side plate 200 is provided with one third mounting flange 210 coplanar with the first mounting flange 110; the impeller 300 is located in the accommodating space, a driving motor 310 is arranged in the impeller 300, the driving motor 310 is connected to the impeller 300 in a driving manner, and the driving motor 310 is relatively fixed on at least one side plate 200.

Therefore, the accommodating space is enclosed by the scroll plate 100 and the side plates 200 positioned at two sides of the scroll plate 100, the air outlet is formed in the first gap between the top edge and the bottom edge of the scroll plate 100, the air inlet 220 communicated with the accommodating space is formed in the side plates 200, the impeller 300 and the driving motor 310 are both positioned in the accommodating space, the driving motor 310 is not externally arranged, the performance of the fan is better maintained, the driving motor 310 is relatively fixed on the side plates 200 and drives the impeller 300 to rotate, when the whole fan is installed, the first installation flanging 110 formed at the top edge of the scroll plate 100, the second installation flanging 120 formed at the bottom edge of the scroll plate 100 and the third installation flanging 210 formed at the side edge of the side plates 200 are coplanar, an installation plane is formed together, independent air outlets and scroll tongues are not needed, the number of whole structural parts is reduced, the production and manufacturing costs are saved, and the assembly efficiency is improved.

In this embodiment, the third mounting flange 210 except the third mounting flange coplanar with the first flange may be directly used as a machine leg to integrally mount and fix the side plate 200, and in order to improve the versatility of the side plate, each side of the side plate 200 is provided with the third mounting flange 210. The third installation flanging 210 on the side plate 200 can facilitate installation and connection of the side plate 200 and can also enhance the bending resistance of the side plate 200, each side edge of the polygonal side plate 200 is provided with the third installation flanging 210, the structural stability of the polygonal side plate can be greatly improved, the installation convenience can be improved, the third installation flanging 210 can be used for installation and connection as a machine foot, and the installation device can adapt to different angles and further improve the overall universality.

As a further embodiment of the detachable structure of the side plate 200 and the scroll plate 100, the left side and the right side of the scroll plate 100 are both connected with pins, the side plate 200 is provided with positioning holes 230 at positions facing the pins, the pins are inserted into the positioning holes 230 facing the pins, the pins pass through the positioning holes 230 and then are bent to form riveting portions, and the riveting portions are pressed on the side plate 200. The worm-shaped plate 100 and the side plate 200 are connected by the matching of the pins and the positioning holes 230, so that the quick assembly can be realized, and the fixing can be realized only by inserting the pins into the positioning holes 230 which are opposite to the pins correspondingly and bending the parts which are inserted into the positioning holes 230 and protrude out of the positioning holes 230 to form riveting parts which are pressed on the side plate 200.

In order to improve the working stability of the fan, ensure smooth air flow during air outlet, and reduce eddy current, as shown in fig. 3, in this embodiment, the second mounting flange 120 includes an air guiding section 121 and a mounting section 122 that are connected to each other, the air guiding section 121 is inclined downward in a direction away from the accommodating space, and the mounting section 122 is coplanar with the first mounting flange 110. The air guide section 121 expands outwards, so that air outlet is smoother, an independent air outlet and a volute tongue are not needed, and the air outlet formed by the first gap can be connected to a peripheral structure directly by means of the mounting section 122 and the first mounting flange 110.

In order to improve the air intake effect, in this embodiment, an air intake flange 400 is disposed on the side plate 200, the air intake flange 400 includes an air duct and a mounting ring connected to one end of the air duct, the other end of the air duct is inserted into the air inlet 220, and the mounting ring abuts against the side plate 200. The air duct can guide air entering the accommodating space, and the mounting ring is directly abutted against the side plate 200, so that the mounting connection is facilitated.

In this embodiment, a motor support frame 500 is disposed on the mounting ring, and the driving motor 310 is connected to the motor support frame 500. In order to facilitate the relative fixation of the driving motor 310 on the side plate 200, a motor support frame 500 is provided on the mounting ring, and the driving motor 310 is directly connected to the motor support frame 500.

As a further embodiment of the structure of the motor supporting frame 500, as shown in fig. 4, the motor supporting frame 500 includes three supporting plates uniformly arranged around the mounting ring, the supporting plates include a first straight section 510, an arc section 520, a second straight section 530, a twisted section 540 and an overlapping section 550 which are sequentially connected, the second straight section 530 is perpendicular to the side plate 200, the overlapping section 550 is parallel to the side plate 200, the overlapping section 550 overlaps the mounting ring, the arc sections 520 in the three supporting plates surround a closed mounting space, the first straight section 510 in one supporting plate is fixedly connected to the second straight section 530 in another supporting plate adjacent to the first straight section, and the driving motor 310 is connected to the mounting space through a bearing. Overlap joint section 550 is parallel to each other with curb plate 200, and on easy to assemble was connected to the collar, and second straight section 530 perpendicular to curb plate 200, reducible air inlet blockked, and three backup pad encircles the collar and evenly sets up, and three segmental arc 520 end to end encloses into confined installation space to including supplying driving motor 310 installation fixed, first straight section 510 in the backup pad is then fixed connection in the second straight section 530 of another backup pad, makes three backup pad connect and forms a whole.

In order to increase the intake air amount, in this embodiment, the air inlets 220 are disposed on both the side plates 200, and the driving motor 310 is an outer rotor motor. Whole fan is two air inlet structures, and the direct built-in accommodation space that draws of outer rotor motor drives impeller 300 and rotates inside.

While the preferred embodiments of the present invention have been illustrated and described, it will be understood by those skilled in the art that the present invention is not limited to the details of the embodiments shown and described, but is capable of numerous equivalents and substitutions without departing from the spirit of the invention as set forth in the claims appended hereto.

Claims

1. A fan structure, its characterized in that: the method comprises the following steps:

the upper edge and the lower edge of the worm plate (100) are bent to form a worm shell shape, a first gap is formed between the top edge of the worm plate (100) and the bottom edge of the worm plate (100), the top edge of the worm plate (100) is turned over to form a first mounting flange (110), the bottom edge of the worm plate (100) is turned over to form a second mounting flange (120), and the first mounting flange (110) and the second mounting flange (120) are coplanar;

the two side plates (200) are respectively detachably connected to the left side and the right side of the worm plate (100), an accommodating space is defined between the two side plates (200) and the worm plate (100), an air inlet (220) is formed in at least one side plate (200), the air inlet (220) is communicated with the accommodating space, at least one side edge of each side plate (200) is turned over to form a third mounting flange (210), and each side plate (200) is provided with the third mounting flange (210) coplanar with the first mounting flange (110);

the impeller (300) is positioned in the accommodating space, a driving motor (310) is arranged in the impeller (300), the driving motor (310) is in driving connection with the impeller (300), and the driving motor (310) is relatively fixed on at least one side plate (200).

2. The fan structure of claim 1, wherein: the side plate (200) is polygonal, and each side edge of the side plate (200) is provided with the third mounting flange (210).

3. The fan structure of claim 1, wherein: the left side and the right side of the worm-wheel plate (100) are both connected with pins, positioning holes (230) are formed in the positions, facing the pins, of the side plate (200), the pins are inserted into the positioning holes (230) facing the pins, the pins penetrate through the positioning holes (230) and then are bent to form riveting portions, and the riveting portions are pressed on the side plate (200).

4. The fan structure of claim 1, wherein: the second mounting flange (120) comprises a wind guide section (121) and a mounting section (122) which are connected with each other, the wind guide section (121) inclines downwards along a direction far away from the accommodating space, and the mounting section (122) is coplanar with the first mounting flange (110).

5. The fan structure of claim 1, wherein: an air inlet flange (400) is arranged on the side plate (200), the air inlet flange (400) comprises an air guide cylinder and a mounting ring connected to one end of the air guide cylinder, the other end of the air guide cylinder is inserted into the air inlet (220), and the mounting ring is abutted against the side plate (200).

6. The fan structure of claim 5, wherein: the mounting ring is provided with a motor support frame (500), and the driving motor (310) is connected to the motor support frame (500).

7. The fan structure of claim 6, wherein: the motor support frame (500) comprises three support plates which are uniformly arranged around the mounting ring, each support plate comprises a first straight section (510), an arc-shaped section (520), a second straight section (530), a twisted section (540) and an overlapping section (550) which are sequentially connected, the second straight section (530) is perpendicular to the side plate (200), the overlapping section (550) is parallel to the side plate (200), the overlapping section (550) is overlapped on the mounting ring, the arc-shaped sections (520) in the three support plates enclose a closed mounting space, the first straight section (510) in one support plate is fixedly connected to the second straight section (530) in the other adjacent support plate, and the driving motor (310) is connected to the mounting space through a bearing.

8. The fan structure of claim 1, wherein: the air inlets (220) are formed in the two side plates (200), and the driving motor (310) is an outer rotor motor.