CN201071838Y - Combined fan frame structure - Google Patents

Abstract

The utility model is a combined fan frame structure, which is composed of two unit bodies or two unit bodies and a sheet-shaped ring frame; the unit bodies can be made into different shapes as needed, and the unit bodies are provided with snap fasteners; the sheet-shaped ring frame is surrounded by a sheet body, and the sheet-shaped ring frame is provided with mutually matching snap fasteners at the connection with the unit bodies. In this way, the unit bodies and the unit bodies or the unit body and the sheet-shaped ring frame can be snapped together to form a fan frame, thereby reducing the complexity of mold development, and it is easy to demould after injection molding during production. At the same time, fan frames of different heights can be combined by changing the width of the sheet-shaped ring frame, thereby saving mold costs.

Description

Combined fan frame structure

technical field

The utility model relates to a combined fan frame structure.

Background technique

Generally, the application of the known axial flow fan is to install the fan blades in the fan frame. According to the difference of the fan frame, it is divided into two types: single-layer fan frame and double-layer fan frame. Although the structure of the double-layer fan frame is simple, but because it is not beautiful, it is placed in a relatively hidden place in the casing; please refer to Figure 1, and the double-layer fan frame is more beautiful, not only can be placed in the machine Inside the shell, it can also be placed on the table alone, but because the double-layer fan frame seat has fan frames 1 on both sides, and the fan frame body 2 connecting the two fan frames 1 is inwardly condensed, so the development of the forming mold Not only is it complicated and expensive, but it is also not easy to demould because it is made by one-piece injection. In addition, although the diameter of the fan blade is the same, to match the fan blade with different curved diameters, it will There are different requirements for the height of the fan frame body 2, so a new mold must be redeveloped to match the development of new products. In this way, in addition to increasing the cost of mold development, it will also delay the launch time of new products, which is not ideal in use.

In order to improve the various shortcomings of the above-mentioned known fan frame, the inventor finally developed and designed the combined fan frame structure of the utility model after long-term research and experiments.

Contents of the invention

The purpose of this utility model is to provide a combined fan frame structure, which is composed of two unit bodies or two unit bodies and a sheet ring frame, so as to reduce the complexity of mold development. Also easy to demould.

Another object of the present utility model is to provide a combined fan frame structure, which can match fan blades with different winding diameters. Increase the height of the sash.

Another object of the present utility model is to provide a combined fan frame structure. These unit bodies or sheet-shaped ring frames are respectively provided with mutually matching buckles at certain positions. When combined, the unit body and the The unit body or the unit body and the sheet-shaped ring frame are assembled together in sequence, and these unit bodies or the sheet-shaped ring frame are fixed together by the buckle of the buckle to form a fan frame.

The purpose of this utility model is achieved in that a combined fan frame structure, the fan frame structure includes:

Two unit bodies, which are a frame seat, an opening is provided in the unit bodies, and buckle parts are respectively provided in certain positions in the unit bodies;

At least one sheet-shaped ring frame, the sheet-shaped ring frame is surrounded by a piece of body, and has a certain height, and the sides of the ring frame are respectively provided with buckles, and the buckles and the unit body The buckles on the top are opposite to each other and buckled with each other;

The unit bodies are respectively placed on both sides of the sheet-shaped ring frame, and the unit bodies and the sheet-shaped ring frame are assembled together in sequence, and through the mutual buckling of the buckle parts, the unit bodies and the sheet-shaped ring The frames are fixed together to form a fan frame. In this way, the complexity of mold development can be reduced, and it is easy to demould after injection molding during production. At the same time, fans of different heights can be combined by changing the width of the sheet ring frame. Fan frame, which can save mold costs.

A unit body is provided with a rib extending toward the middle of the opening, and a shaft seat is connected through the rib, and a circuit for starting the fan is provided on the shaft seat.

The sheet-shaped ring frame is integrally formed with one of the unit bodies.

The buckle is a buckle or a slot.

A plurality of protrusions are arranged on the ring frame, and at least one side of the protrusions is connected with the sheet-shaped ring frame, and the protrusions make the wind entering the fan frame have a flow-guiding effect.

A plurality of through punching holes are arranged on the sheet-shaped ring frame, and the setting of the punching holes can increase the air intake when the fan is running.

The shape of punching hole is individual independent or continuous circle, ellipse or polygon.

A combined fan frame structure, the fan frame structure includes:

Two unit bodies, which are a frame seat, are provided with an opening in the unit bodies, and are respectively provided with buckle parts at a certain position of the unit bodies, and are respectively provided with integral parts on one side of the unit bodies. A formed fixing ring frame, the fixing ring frame is a piece with a certain height;

When assembling, the fixing ring frames on the unit bodies are in contact with each other, and the buckle parts on the unit bodies are locked together, so that the unit bodies are fixed together to form a fan frame. In this way, the mold can be reduced Due to the complexity of development, it is easy to demould after injection molding during production.

One of the unit bodies is provided with a rib extending toward the middle of the opening, and a shaft seat is connected through the rib, and a circuit for starting the fan is provided on the shaft seat.

The fixed ring frame is provided with a plurality of integrally formed protrusions, the protrusions are formed by stamping, and at least one side of the protrusions is connected with the fixed ring frame.

A buckle is provided at a certain position on the fixed ring frame.

A sheet-shaped ring frame is sandwiched between the fixed ring frames on the two units. The sheet-shaped ring frame is surrounded by a rectangular sheet body. The sheet body has a certain height and is placed on both sides of the sheet-shaped ring frame. Buckling parts are respectively provided on the top, and the buckling parts and the buckling parts of the fixing ring frames on the unit bodies are snapped and combined with each other to increase the height of the fan frame.

The sheet-shaped ring frame is provided with a plurality of protrusions, at least one side of the protrusions is connected with the sheet-shaped ring frame, and the protrusions make the wind entering the fan frame have a flow-guiding effect.

The buckle is a hook and a slot that cooperate with each other.

The buckle is a hook and a slot that cooperate with each other.

A combined fan frame structure, the fan frame structure includes:

The first unit body, which is a frame seat, is provided with an opening in the unit body, and is respectively provided with a buckle at a certain position of the unit body;

The second unit body, which is a frame seat, is provided with an opening in the unit body, and buckles are respectively provided at certain positions of the unit bodies, and one side of the unit body is respectively provided with integrally formed A fixed ring frame, the fixed ring frame is a piece with a certain height;

When assembling, the first unit body is in contact with the fixing ring frame on the second unit body, and the snap parts on the unit body and the fixing ring frame are interlocked, so that the unit bodies are fixed together to form a Fan frame.

One of the unit bodies is provided with a rib extending toward the middle of the opening, and a shaft seat is connected through the rib, and a circuit for starting the fan is provided on the shaft seat.

The buckle part is a buckle or a slot.

The fixing ring frame is provided with a plurality of protrusions, at least one side of the protrusions is connected with the fixing ring frame, and the protrusions make the wind entering the fan frame have a flow guiding effect.

The fixed ring frame is provided with a plurality of through punching holes, the setting of the punching holes can increase the air intake when the fan is running.

From the above, the combined fan frame structure of the present invention can be made into various shapes of these unit bodies or ring frames according to different needs or designs, thereby reducing the complexity of mold development and making it easier to inject It is also easy to demould after forming, and fan frames of different heights can be combined by changing the width of the ring frame, which can save mold costs.

Description of drawings

Figure 1: A three-dimensional schematic diagram of a known structure.

Fig. 2: is a three-dimensional schematic diagram of the first embodiment of the utility model.

Fig. 3: is a three-dimensional schematic diagram of the first embodiment of the utility model.

FIG. 3A is an enlarged schematic view of the buckle part of the first embodiment of the present invention.

Fig. 4: It is a cross-sectional schematic diagram of the first embodiment of the present invention.

FIG. 4A is a cross-sectional schematic diagram of the buckle part of the first embodiment of the present invention.

Fig. 5: It is a three-dimensional schematic diagram of the second embodiment of the present invention when assembled.

Fig. 6: It is a three-dimensional exploded schematic diagram of the third embodiment of the utility model.

Fig. 7: It is a three-dimensional schematic diagram of the third embodiment of the utility model when assembled.

Fig. 8 is a three-dimensional exploded schematic view of the fourth embodiment of the present invention.

Fig. 9 is a three-dimensional schematic view of the fourth embodiment of the present invention when assembled.

Fig. 10 is a three-dimensional exploded schematic view of the fifth embodiment of the present utility model.

Figure number:

Frame 10

Unit body 11a, 11d

The first unit body 11b

Second unit cell 11c

opening 111

Shaft seat 113

Rib 114

Sheet ring frame 12

Raised 121, 131

punching 122

Fixed ring frame 13

Buckle 20

Detailed ways

The utility model is a combined fan frame structure, please refer to Fig. 2, Fig. 3, Fig. 3A, Fig. 4, Fig. 4A, it is the first embodiment of the utility model, the structure is provided with a fan frame 10, The fan frame 10 is composed of two unit bodies 11a and a sheet ring frame 12; A circular opening 111 is respectively provided in the body 11a, and a buckle 20 is provided at a certain position of the unit bodies 11a. The buckle 20 can be a hook or a slot, and one of the unit bodies 11a The middle position of the opening 111 on the top is connected with a shaft seat 113 through a rib 114, and the shaft seat 113 is provided with a circuit for starting the fan (not shown in the figure); the sheet-like ring frame 12 is surrounded by a rectangular sheet body , and on both sides of the sheet-shaped ring frame 12 are respectively provided with buckle 20, these buckle 20 and the buckle 20 positions of the unit body 11a are respectively opposite and mutually buckled, and the piece A plurality of protrusions 121 are provided on the ring frame 12, and the protrusions 121 are integrally formed with the sheet ring frame 12, and formed by stamping, and at least one side of the protrusions 121 is connected with the sheet ring frame 12, by the The protrusion 121 makes the wind entering the fan frame 10 have a flow guiding effect.

When assembling, the unit bodies 11a can be respectively placed on both sides of the sheet-shaped ring frame 12, and the buckle parts 20 on the sheet-like ring frame 12 are respectively buckled with the buckle parts 20 of the unit bodies 11a (Shown in Fig. 3, Fig. 3A), and make three combine together, to form a fan frame.

Please refer to Fig. 5 , which is the second embodiment of the present utility model. The structure is provided with a fan frame 10. The fan frame 10 is composed of two unit bodies 11a and a sheet-shaped ring frame 12. This embodiment The biggest difference from the first embodiment is that the sheet-shaped ring frame 12 is punched with a plurality of hollow punching holes 122 (these punching holes can punch out various shapes or characters), and the setting of the punching holes 122 can Increase the air intake when the fan is running.

Please refer to Fig. 6, which is the third embodiment of the present utility model. A fan frame 10 is arranged on the structure, and the fan frame 10 is composed of first and second unit bodies 11b and 11c; The second unit body 11b and 11c is a rectangular frame seat (but those who are familiar with this art can still implement in other shapes), and a circular opening 111 is respectively provided in the first and second unit body 11b, 11c, and the first 1. The second unit body 11b, 11c is provided with a buckle 20 at a certain position. The buckle 20 can be a hook or a slot, and in this embodiment, it is respectively provided on the edge of the opening 111 and on the side of the unit body 11b, 11c. On each end side, the second unit body 11c is integrally formed with a fixing ring frame 13, the fixing ring frame 13 has a certain height, and the fixing ring frame 13 of the second unit body 11c is provided with a buckle 20, The positions of the buckles 20 are opposite to the positions of the buckles 20 of the first unit body 11b, and the fixing ring frame 13 is provided with a plurality of protrusions 131, the protrusions 131 are integrally formed with the fixing ring frame 13, and Formed by stamping, and at least one side of the protrusion 131 is connected to the fixed ring frame 13. In addition, the second unit body 11c is provided with a shaft seat 113 at the end that is not connected to the fixed ring frame 13, and the shaft seat 113 A circuit (not shown) for starting the fan is arranged on the top, and a rib 114 connecting the fixed ring frame 13 is arranged on the periphery of the shaft seat 113 .

When assembling, the first unit body 11b can be contacted with the fixing ring frame 13 on the second unit body 11c, and then the buckle 20 on the first unit body 11b can be connected with the second unit body 11c and the fixing ring frame 13. The buckling parts 20 are locked together so that they are combined to form a frame (as shown in FIG. 7 ).

Please refer to Fig. 8, which is the fourth embodiment of the present utility model, its structure is a fan frame 10, the fan frame 10 is composed of two unit bodies 11d, and these unit bodies 11d are integrally formed with the fixed ring frame 13 The rectangular frame seat, the fixed ring frame 13 has a certain height, and the fixed ring frames 13 are provided with a plurality of protrusions 131, the protrusions 131 are integrally formed with the fixed ring frame 13, and formed by stamping, and the At least one side of the protrusion 131 is connected to the fixed ring frame 13, and the unit body 11d and the fixed ring frame 13 are respectively provided with a buckle 20 that cooperates with each other. The buckle 20 can be a hook or a groove. Furthermore, one of the unit bodies 11d can be connected with a shaft seat 113, and the shaft seat 113 is provided with a circuit (not shown in the figure) for starting the fan, and the periphery of the shaft seat 113 is provided with a connecting ring. Ribs 114 of frame 13 .

When assembling, the buckle 20 on one unit body 11d and the buckle 20 on the other unit body 11d can be buckled together (as shown in Figure 9), so that the two are combined to form a fan frame 10, and the protrusions 131 of the fixing ring frames 13 are interlaced or interposed between the opposing unit bodies 11d.

Please refer to shown in Fig. 10, it is the fifth embodiment of the present utility model, and its structure is a fan frame 10, and this fan frame 10 is made up of two unit bodies 11d and sheet ring frame 12; The fixed ring frame 13 is an integrally formed rectangular frame seat (but those who are familiar with the art can still implement it in other shapes). And this axle seat 113 is provided with the circuit (not shown) of starting fan, again, this axle seat 113 periphery is provided with the rib 114 that connects fixed ring frame 13; and the two sides of the sheet-shaped ring frame 12 are also provided with buckle parts 20, which can be hooks or slots, and these buckle parts 20 are respectively connected to the two sides The buckle parts 20 of the unit body 11d are opposite to each other and fastened with each other; and the fixed ring frame 13 and the sheet ring frame 12 of the unit body 11d are respectively provided with a plurality of protrusions 131, 121, and the protrusions 131, 121 They are integrally formed with the fixed ring frame 13 and the sheet-shaped ring frame 12 respectively, and formed by stamping, and at least one side of the protrusions 131, 121 is connected with the fixed ring frame 13 and the sheet-shaped ring frame 12 respectively. 131, 121 make the wind entering the fan frame 10 have a flow guiding effect.

When assembling, the fasteners 20 on the unit bodies 11d can be interlocked, so that the three are combined together, and the sheet-shaped ring frame 12 is sandwiched in the unit body 11d to form a fan frame 10, and The height of the fan frame 10 can be changed by making the protrusions 131, 121 of the fixed ring frame 13 and the sheet ring frame 12 alternate or face each other, and by increasing the number of the sheet ring frames 12 .

In this way, these unit bodies or ring frames can be made into various shapes according to different needs or designs, thereby reducing the complexity of mold development, and it is easy to demould after injection molding during production. At the same time, by changing the ring frame The width can be combined into fan frames of different heights, which can save mold costs.

Claims (20)

1. A combined fan frame structure is characterized in that the fan frame structure includes: Two unit bodies, which are a frame seat, an opening is provided in the unit bodies, and buckle parts are respectively provided in certain positions in the unit bodies; At least one sheet-shaped ring frame, the sheet-shaped ring frame is surrounded by a piece of body, and has a certain height, and the sides of the ring frame are respectively provided with buckles, and the buckles and the unit body The buckles on the top are opposite to each other and buckled with each other; The unit bodies are respectively placed on both sides of the sheet-shaped ring frame, and the unit bodies and the sheet-shaped ring frame are assembled together in sequence. 2. The combined fan frame structure according to claim 1, characterized in that: a unit body is provided with ribs extending toward the middle of the opening, and a shaft seat is provided through the ribs, and the shaft seat is provided with a starting fan circuit. 3 . The combined fan frame structure according to claim 1 , wherein the sheet-shaped ring frame is integrally formed with a unit body therein. 4 . 4. The combined fan frame structure according to claim 1, wherein the buckle is a buckle or a slot. 5. The combined fan frame structure according to claim 1, wherein a plurality of protrusions are provided on the ring frame, and at least one side of the protrusions is connected to the sheet-shaped ring frame. 6. The combined fan frame structure according to claim 1, wherein a plurality of punching holes are formed on the sheet-shaped ring frame. 7. The combined fan frame structure according to claim 6, wherein the punching holes are individually or continuously circular, elliptical or polygonal in shape. 8. A combined fan frame structure, characterized in that the fan frame structure includes: Two unit bodies, which are a frame seat, are provided with an opening in the unit bodies, and are respectively provided with buckle parts at a certain position of the unit bodies, and are respectively provided with integral parts on one side of the unit bodies. A formed fixing ring frame, the fixing ring frame is a piece with a certain height; When assembling, the fixing ring frames on the unit bodies are in contact with each other, and the buckling parts on the unit bodies are locked together. 9. The combined fan frame structure according to claim 8, characterized in that: one of the unit bodies is provided with a rib extending toward the middle of the opening, and a shaft seat is connected through the rib, and the shaft seat is provided with The circuit that activates the fan. 10. The combined fan frame structure according to claim 8, characterized in that: the fixing ring frame is provided with a plurality of integrally formed protrusions, the protrusions are formed by stamping, and at least one side of the protrusions is in contact with the fixed The ring frame is connected. 11. The combined fan frame structure according to claim 8, wherein a buckle is provided at a certain position on the fixed ring frame. 12. The combined fan frame structure according to claim 11, characterized in that: a sheet-shaped ring frame is sandwiched between the fixed ring frames on the two unit bodies, and the sheet-shaped ring frame is surrounded by a rectangular sheet body The sheet body has a certain height, and buckles are respectively provided on both sides of the sheet-shaped ring frame, and the buckle parts are interlocked with the buckle parts of the fixed ring frame on the unit bodies. combined. 13. The combined fan frame structure as claimed in claim 12, wherein a plurality of protrusions are provided on the sheet-shaped ring frame, and at least one side of the protrusions is connected to the sheet-shaped ring frame. 14 . The combined fan frame structure according to claim 8 , wherein the buckle is a hook and a groove that cooperate with each other. 15 . 15 . The combined fan frame structure according to claim 11 , wherein the buckle is a hook and a groove that cooperate with each other. 16 . 16. A combined fan frame structure, characterized in that the fan frame structure includes: The first unit body, which is a frame seat, is provided with an opening in the unit body, and is respectively provided with a buckle at a certain position of the unit body; The second unit body, which is a frame seat, is provided with an opening in the unit body, and buckles are respectively provided at certain positions of the unit bodies, and one side of the unit body is respectively provided with integrally formed A fixed ring frame, the fixed ring frame is a piece with a certain height; When assembling, the first unit body is in contact with the fixing ring frame on the second unit body, and the buckling parts on the unit bodies and the fixing ring frame are interlocked. 17. The combined fan frame structure according to claim 16, characterized in that: one of the unit bodies is provided with a rib extending toward the middle of the opening, and a shaft seat is connected through the rib, and the shaft seat is provided with The circuit that activates the fan. 18. The combined fan frame structure according to claim 16, wherein the buckle is a buckle or a slot. 19. The combined fan frame structure as claimed in claim 16, wherein the fixing ring frame is provided with a plurality of protrusions, and at least one side of the protrusions is connected with the fixing ring frame. 20. The combined fan frame structure according to claim 16, characterized in that: the fixing ring frame is provided with a plurality of through punching holes.

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