CN209976826U - Heat dissipation fan structure - Google Patents

Abstract

The utility model provides a radiator fan structure relates to heat-radiating equipment technical field. The heat radiation fan structure comprises a fan, a fixing frame and a cover body; the fixed frame is provided with an opening, and the fan can extend into the fixed frame through the opening and is fixedly connected with the fixed frame; the cover body has the installation cavity, and is provided with the guide way in the installation cavity, the mount be provided with guide way sliding fit's guide rail, the mount can slide in and roll-off installation cavity along the guide way through the guide rail to alleviate radiator fan structure flexibility that uses among the prior art low, technical problem such as operation difficulty during maintenance, change.

Description

Heat dissipation fan structure

Technical Field

The utility model relates to a heat dissipation equipment technical field especially relates to a radiator fan structure.

Background

The fan is a tool for cooling by wind in hot days or high-temperature environments, and the electric fan is generally applied to daily life because the fan blades are driven to rotate by electricity to accelerate air circulation so as to cool and relieve summer heat.

In the current market, most manufacturers for producing fans generally design a casing, a wind ring and the like to improve the overall heat dissipation effect of the fan in order to improve the heat dissipation effect of the fan, so that the quality, the structure and the like of the casing of the fan become key factors influencing the quality of the whole fan heat dissipation system. However, the shell of most of the existing fans is basically fixed on the support, so that the shell or the support is not convenient to disassemble when the fan is repaired and replaced in the later period, and meanwhile, certain difficulty is caused when the fan blades of the fan need to be repaired and replaced due to the fixity between the shell and the support.

In view of the above, a heat dissipation fan structure is needed to solve the above problems.

The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information constitutes prior art already known to a person skilled in the art.

SUMMERY OF THE UTILITY MODEL

A first object of the utility model is to provide a radiator fan structure to alleviate radiator fan structure flexibility that uses among the prior art and hang down, technical problem such as the difficult operation when maintenance, change.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a cooling fan structure, which comprises a fan, a fixing frame and a cover body;

the fixed frame is provided with an opening, and the fan can extend into the fixed frame through the opening and is fixedly connected with the fixed frame; the cover body has the installation cavity, just be provided with the guide way in the installation cavity, the mount be provided with guide way sliding fit's guide rail, the mount can pass through the guide rail is followed the guide way slides in and roll-off the installation cavity.

In any of the above technical solutions, further, the fan includes a mounting frame, a driving member, and a plurality of fan blades;

the driving part sets firmly on the mount, the driving part with the mounting bracket transmission is connected, the flabellum sets firmly on the mounting bracket, the mounting bracket can rotate under the effect of driving part, drive the flabellum rotates in step.

In any of the above technical solutions, further, the mounting bracket includes a rotating plate and a fixing ring;

the rotor plate sets firmly be used for with the connecting cover that driving piece transmission is connected, the flabellum is located the rotor plate with between the solid fixed ring and with the two rigid coupling, and is a plurality of the flabellum winds the circumference interval distribution of connecting cover.

In any of the above technical solutions, further, the connection cover and the fixing ring are coaxially disposed.

In any of the above technical solutions, further, the heat dissipation fan structure further includes an air guiding ring;

a connector is arranged on one side, away from the rotating plate, of the fixing ring, and extends along one side, away from the rotating plate, one end of the air guide ring extends into the connector, and the other end of the air guide ring is fixedly connected with the cover body.

In any of the above technical solutions, further, the air guiding ring is in a horn-shaped structure, and a large opening of the air guiding ring faces a side away from the fixing ring.

In any of the above technical solutions, further, the fixing frame includes a first wall and a second wall vertically connected to both sides of the first wall;

the guide rail is arranged at the edge of the second wall perpendicular to the first wall, and the driving piece is fixedly connected with the first wall.

In any one of the above technical solutions, further, the first wall is provided with a groove, and a mounting opening is formed at the bottom of the groove, and the driving member is fixedly connected with the first wall through the mounting opening.

In any of the above technical solutions, further, the cover body is in a rectangular parallelepiped structure;

the cover body is provided with a first side wall and a second side wall which are oppositely arranged, the first side wall is provided with a first opening, the second side wall is provided with a second opening, and the guide groove extends from the first side wall to the second side wall;

the fixing frame can drive the fan to slide into the mounting cavity from the first opening, and the first wall is fixedly connected with the first side wall; the air guide ring can extend into the connecting port of the fixing ring from the second opening, and the air guide ring is fixedly connected with the second side wall.

In any one of the above technical solutions, further, an air outlet grid plate is disposed at the bottom of the installation cavity.

The utility model has the advantages that:

the utility model provides a cooling fan structure, which comprises a fan, a fixing frame and a cover body; the mount has uncovered, and the fan can be through uncovered fixed mounting in the mount, and the cover body has the installation cavity that can hold the mount, and then will install the fan on the mount, along with the mount is together installed in the installation cavity of the cover body, improves the stability of fan during operation through the mount, improves the protectiveness to the fan through the cover body, ensures simultaneously that the fan can the steady operation.

When in actual use, the guide groove is arranged in the installation cavity, the guide rail matched with the guide groove is correspondingly arranged on the fixing frame, the guide rail is in sliding connection with the guide groove, and then the relative sliding between the fixing frame and the installation cavity of the cover body is realized through the relative sliding of the guide rail along the guide groove, so that the pull-out fan structure is formed. When needs maintenance or change fan, with the mount from cover internal pull out can, after accomplishing fan maintenance or change, with the mount along the guide way push in the installation intracavity of the cover body can, and then increased the structural flexibility, the operation of being convenient for.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a first schematic view of a cooling fan structure according to an embodiment of the present invention;

fig. 2 is a second schematic view of a heat dissipation fan structure according to an embodiment of the present invention;

fig. 3 is a first exploded view of a heat dissipation fan structure according to an embodiment of the present invention;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is a second exploded view of a heat dissipation fan structure according to an embodiment of the present invention;

fig. 6 is a partially enlarged view of fig. 5 at B.

Icon: 10-a fan; 20-a fixing frame; 30-a cover body; 40-a guide groove; 50-a guide rail; 60-wind guide ring; 101-fan blades; 102-a rotating plate; 103-a fixed ring; 104-a drive member; 201-open mouth; 202-a first wall; 203-a second wall; 301-mounting a cavity; 302-a first sidewall; 303-a second side wall; 304-an air outlet grid plate; 1021-a connection cover; 1031-connection port; 2021-groove; 3021-a first opening; 3031-second opening.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

As shown in fig. 1 to fig. 6, the heat dissipation fan structure provided in this embodiment includes a fan 10, a fixing frame 20, and a cover 30; the fixed frame 20 is provided with an opening 201, and the fan 10 can extend into the fixed frame 20 through the opening 201 and is fixedly connected with the fixed frame 20; the cover body 30 is provided with a mounting cavity 301, a guide groove 40 is arranged in the mounting cavity 301, the fixing frame 20 is provided with a guide rail 50 in sliding fit with the guide groove 40, and the fixing frame 20 can slide in and out of the mounting cavity 301 along the guide groove 40 through the guide rail 50.

Specifically, the cooling fan structure includes a fan 10, a fixing frame 20 and a cover 30, an opening 201 is disposed on the fixing frame 20, the fan 10 can be fixedly disposed in the fixing frame 20 through the opening 201, and the fixing frame 20 is fixedly connected to the fan 10 to increase the working stability of the fan 10. Meanwhile, the cover body 30 is provided with an installation cavity 301 for installing the fixing frame 20, after the fan 10 is installed on the fixing frame 20, the fixing frame 20 is installed in the installation cavity 301, and then the fan 10 is protected by the cover body 30, so that the stability of the fan 10 during operation is further improved.

In actual use, the guide groove 40 is arranged in the mounting cavity 301, the guide rail 50 matched with the guide groove 40 is arranged on the fixed frame 20, and the guide rail 50 can slide relative to the guide groove 40, so that the fixed frame 20 can slide relative to the cover body 30, namely, the guide groove 40 and the guide rail 50 are in sliding fit, and a drawing type fan 10 structure is formed. When the fan 10 needs to be repaired or replaced, the fixing frame 20 is pulled out from the cover 30, and after the fan 10 is repaired or replaced, the fixing frame 20 is pushed into the mounting cavity 301 of the cover 30 along the guide groove 40, so that the structural flexibility is increased, and the operation is facilitated.

In an alternative embodiment, as shown in fig. 3-6, the holder 20 includes a first wall 202 and a second wall 203 vertically connected to both sides of the first wall 202; the guide rail 50 is disposed at the edge of the second wall 203 perpendicular to the first wall 202, and the driving member 104 is fixedly connected to the first wall 202.

Specifically, the fixing frame 20 is a housing having a rectangular parallelepiped structure, the side walls vertically disposed on the rectangular parallelepiped form a first wall 202 and a second wall 203, the first wall 202 is a side wall extending along the length of the rectangular parallelepiped, the number of the first walls 202 is one, the second wall 203 is a side wall extending along the width of the rectangular parallelepiped, the number of the second walls 203 is two, that is, the second walls 203 are disposed on both sides of the first wall 202 along the length direction, so as to form the fixing frame 20 having a "U" shape in a top view projection view, and the portions of the rectangular parallelepiped housing except the first wall 202 and the second wall 203 form an opening 201 for mounting the fan 10.

With continued reference to fig. 3-6, preferably, the housing 30 is a rectangular parallelepiped; the cover 30 has a first side wall 302 and a second side wall 303 which are oppositely arranged, the first side wall 302 is provided with a first opening 3021, the second side wall 303 is provided with a second opening 3031, and the guide groove 40 extends from the first side wall 302 to the second side wall 303; the fixing frame 20 can drive the fan 10 to slide into the mounting cavity 301 from the first opening 3021, and the first wall 202 is fixedly connected to the first side wall 302; the wind guiding ring 60 can extend into the connection port 1031 of the fixing ring 103 from the second opening 3031, and the wind guiding ring 60 is fixedly connected with the second side wall 303.

Specifically, cover 30 is also a housing having a rectangular parallelepiped structure, and the rectangular parallelepiped housing encloses rectangular parallelepiped mounting cavity 301. The two side walls of the rectangular parallelepiped extending along the length direction thereof form a first side wall 302 and a second side wall 303, respectively, and the first side wall 302 is provided with a first opening 3021 for facilitating the fixed frame 20 to slide into the mounting cavity 301.

The first sidewall 302 is a rear sidewall of the rectangular parallelepiped, and the second sidewall 303 is a front sidewall of the rectangular parallelepiped.

With reference to fig. 3-6, in practical use, the guiding groove 40 is disposed on the side wall of the mounting cavity 301, and the guiding groove 40 extends horizontally from the first side wall 302 to the second side wall 303, that is, the guiding groove 40 is disposed on the left side wall and the right side wall of the rectangular parallelepiped respectively. The guide rails 50 are disposed on the second wall 203, and the edges of the two sides of the second wall 203 extending along the height direction of the rectangular parallelepiped are respectively provided with the guide rails 50, i.e. four guide rails 50 are disposed on the fixing frame 20, so that four guide grooves 40 are disposed on the cover 30, and one guide rail 50 corresponds to one guide groove 40.

The guide groove 40 is a long strip structure with a U-shaped groove, the guide rail 50 slides relative to the U-shaped groove, and the long strip structure is welded on the sidewall of the cover 30.

Preferably, the length of the first opening 3021 is the same as the length of the first sidewall 302, and the width of the first opening 3021 is smaller than the width of the first sidewall 302, so that two sides of the first sidewall 302 along the width direction respectively have a first connecting position fixedly connected with the fixing frame 20.

Preferably, the upper and lower sides of the first wall 202 extend a distance from the upper and lower sides of the second wall 203, respectively, based on the height direction of the fixing frame 20, to form a second connecting position fixedly connected to the first connecting position on the cover 30.

In addition, the cover body 30 is made of sheet metal materials, so that the weight is light.

In an alternative embodiment, as shown in fig. 3 and 5, the fan 10 includes a mounting frame, a driving member 104, and a plurality of fan blades 101; driving piece 104 sets firmly on mount 20, and driving piece 104 is connected with the mounting bracket transmission, and flabellum 101 sets firmly on the mounting bracket, and the mounting bracket can rotate under driving piece 104's effect, drives flabellum 101 synchronous rotation.

Specifically, the fan blades 101 are uniformly distributed around the circumference of the mounting rack at intervals, and meanwhile, the fan 10 is fixedly connected with the mounting rack 20 through the fixedly connecting of the driving piece 104 and the mounting rack 20, so that the fan 10 is convenient to mount, and the stability of the fan 10 during operation is further ensured. In actual operation, the mounting bracket rotates around its own circumference under the power action of the driving member 104, and then drives the fan blades 101 to rotate synchronously, so as to generate air flow.

The driving member 104 has a mounting portion for fixedly connecting with the fixing frame 20 and a transmission portion for transmission-connecting with the connecting cover 1021.

With reference to fig. 3 and fig. 5, in practical use, the first wall 202 of the fixing frame 20 is provided with a groove 2021, and a circular mounting opening is formed at the bottom of the groove 2021, an end surface of the mounting portion of the driving element 104, which is far away from the transmission portion, abuts against the first wall 202, and the mounting portion is fixedly connected to the first wall 202 by a plurality of fixing screws, and the plurality of fixing screws are uniformly distributed along the circumferential direction of the mounting opening at intervals.

With continued reference to fig. 3 and 5, preferably, the mounting bracket includes a rotating plate 102 and a stationary ring 103; the rotating plate 102 is fixedly provided with a connecting cover 1021 for transmission connection with the driving part 104, the fan blades 101 are positioned between the rotating plate 102 and the fixed ring 103 and fixedly connected with the rotating plate and the fixed ring, and the fan blades 101 are distributed at intervals around the circumference of the connecting cover 1021.

Specifically, the rotating plate 102 is disposed in a circular plate shape, and the connection cover 1021 is fixedly disposed at a central position of the rotating plate 102, that is, the connection cover 1021 is disposed coaxially with the rotating plate 102. Meanwhile, the connecting cover 1021 is in transmission connection with the driving part 104, so that the connecting cover 1021 rotates along the circumferential direction of the connecting cover 1021, the rotating plate 102 is driven by the connecting cover 1021, the rotating plate 102 drives the fan blades 101, and the fan blades 101 drive the fixing rings 103 to rotate synchronously.

Preferably, the connection cap 1021 and the retaining ring 103 are arranged coaxially.

Specifically, the connecting cover 1021, the rotating plate 102 and the fixing ring 103 are coaxially arranged, and the plurality of fan blades 101 are uniformly distributed at intervals around the axis, so that uniform air flow is conveniently formed. Wherein the fan blades 101 extend in a radial direction of the rotating plate 102.

In an alternative solution of this embodiment, as shown in fig. 3 and fig. 5, the heat dissipation fan structure further includes an air guiding ring 60; a connection port 1031 is disposed on one side of the fixing ring 103 away from the rotating plate 102, the connection buckle extends along one side away from the rotating plate 102, one end of the air guiding ring 60 extends into the connection port 1031, and the other end of the air guiding ring 60 is fixedly connected with the cover 30.

Specifically, the air guiding ring 60 is located on a side of the fixing ring 103 away from the rotating plate 102 to guide the airflow introduced into the fan 10, so as to facilitate the rotation of the fan blades 101. The fixing ring 103 is provided with a connecting surface and an extending sleeve, wherein the connecting surface is a vertically arranged annular plane and is fixedly connected with the fan blades 101; the connecting sleeve is arranged at one end of the connecting surface, which is far away from the fan blade 101, and the connecting sleeve and the inner ring of the connecting surface are integrally formed and extend towards one side, which is far away from the fan blade 101, and the port of the connecting sleeve forms a connecting port 1031, which is convenient for the wind guide ring 60 to extend into.

In practical use, the wind guiding ring 60 is an annular sleeve structure, one end of the wind guiding ring extends into the connection port 1031 on the fixing ring 103, the other end of the wind guiding ring extends out of the second opening 3031 on the second side wall 303 of the cover body 30, and a flange is arranged at the edge of the end and fixedly connected with the second side wall 303 through the flange.

With continued reference to fig. 3 and 5, preferably, the wind guiding ring 60 has a trumpet shape, and a large opening of the trumpet shape faces to a side away from the fixing ring 103.

Specifically, the trumpet-shaped small opening extends into the connecting sleeve through the connecting port 1031 and does not contact with the inner wall of the connecting sleeve, and the trumpet-shaped large opening extends out of the second opening 3031 so as to facilitate the arrangement of the flanging, so that the guide effect on the air flow is increased through the trumpet-shaped air guide ring 60, and meanwhile, the diameter of the air flow entering the air guide ring 60 is gradually reduced so as to increase the air flow pressure introduced into the fan 10 through the air guide ring 60.

Referring to fig. 5, in actual use, the bottom of the mounting cavity 301 is provided with an air outlet grid plate 304, that is, the air flow is introduced from the air guiding ring 60, and flows out from the air outlet grid plate 304 after the rotation of the fan blades 101.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the embodiments of the present invention.

Claims (10)

1. A heat radiation fan structure is characterized by comprising a fan (10), a fixed frame (20) and a cover body (30);

the fixing frame (20) is provided with an opening (201), and the fan (10) can extend into the fixing frame (20) through the opening (201) and is fixedly connected with the fixing frame (20); the cover body (30) has installation cavity (301), just be provided with guide way (40) in installation cavity (301), mount (20) be provided with guide way (40) sliding fit's guide rail (50), mount (20) can pass through guide rail (50) are followed guide way (40) slide in and roll off installation cavity (301).

2. The heat dissipation fan structure as claimed in claim 1, wherein the fan (10) includes a mounting frame, a driving member (104), and a plurality of fan blades (101);

the driving part (104) is fixedly arranged on the fixing frame (20), the driving part (104) is in transmission connection with the mounting frame, the fan blades (101) are fixedly arranged on the mounting frame, and the mounting frame can rotate under the action of the driving part (104) to drive the fan blades (101) to rotate synchronously.

3. The heat dissipation fan structure according to claim 2, wherein the mounting bracket includes a rotating plate (102) and a fixing ring (103);

the rotating plate (102) is fixedly provided with a connecting cover (1021) which is used for being in transmission connection with the driving piece (104), the fan blades (101) are located between the rotating plate (102) and the fixing ring (103) and fixedly connected with the rotating plate and the fixing ring, and the fan blades (101) are distributed at intervals around the circumferential direction of the connecting cover (1021).

4. The heat dissipation fan structure as recited in claim 3, wherein the connection cover (1021) and the fixing ring (103) are coaxially disposed.

5. The structure of claim 3, further comprising a wind guide ring (60);

a connecting port (1031) is arranged on one side, away from the rotating plate (102), of the fixing ring (103), the connecting port (1031) extends along one side, away from the rotating plate (102), one end of the air guide ring (60) extends into the connecting port (1031), and the other end of the air guide ring (60) is fixedly connected with the cover body (30).

6. The structure of claim 5, wherein the wind-guiding ring (60) is in a horn shape, and the large opening of the wind-guiding ring (60) faces to the side away from the fixing ring (103).

7. The structure of a heat-dissipating fan as claimed in claim 5, wherein the fixing frame (20) includes a first wall (202) and a second wall (203) vertically connected to both sides of the first wall (202);

the guide rail (50) is arranged at the edge of the second wall (203) perpendicular to the first wall (202), and the driving piece (104) is fixedly connected with the first wall (202).

8. The structure of the heat dissipation fan as claimed in claim 7, wherein the first wall (202) is provided with a groove (2021), and a bottom of the groove (2021) is provided with a mounting opening, through which the driving member (104) is fixedly connected with the first wall (202).

9. The radiator fan structure according to claim 7, wherein the cover (30) has a rectangular parallelepiped structure;

the cover body (30) is provided with a first side wall (302) and a second side wall (303) which are oppositely arranged, the first side wall (302) is provided with a first opening (3021), the second side wall (303) is provided with a second opening (3031), and the guide groove (40) extends from the first side wall (302) to the second side wall (303);

the fixing frame (20) can drive the fan (10) to slide into the mounting cavity (301) from the first opening (3021), and the first wall (202) is fixedly connected with the first side wall (302); the air guide ring (60) extends into the connecting port (1031) of the fixing ring (103) from the second opening (3031), and the air guide ring (60) can be fixedly connected with the second side wall (303).

10. The structure of a heat-dissipating fan according to any one of claims 1 to 9, wherein a bottom of the installation cavity (301) is provided with an air outlet grid plate (304).

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