CN219492626U - Fan fixed knot that makes an uproar falls constructs - Google Patents

Abstract

The utility model provides a noise reduction fan fixing structure, which comprises a fan, a fan fixing bracket and a plurality of connecting blind nails which are elastic pieces, wherein a plurality of first connecting holes are formed in the fan; the fan fixing bracket is provided with a plurality of second connecting holes corresponding to the first connecting holes respectively, and an air inlet is arranged corresponding to the air inlet of the fan; the connecting blind nails are provided with strip-shaped grooves, and pass through the first connecting holes and the second connecting holes respectively through shrinkage deformation so as to connect and fix the fan and the fan fixing bracket. Through above-mentioned setting, not only adopt elastic connection blind rivet, can utilize self characteristic to provide buffering absorbing ability, reach the effect of making an uproar falls. Meanwhile, the strip-shaped groove is formed in the connecting rivet, so that the connecting rivet can penetrate through the first connecting hole and the second connecting hole in an interference fit manner through deformation, stable connection among the connecting rivet, the second connecting hole and the first connecting hole is enabled to be connected, vibration is reduced, and the overall structure is stable and firm.

Description

Fan fixed knot that makes an uproar falls constructs

Technical Field

The utility model relates to the technical field of fan fixing structures, in particular to a noise reduction fan fixing structure.

Background

The existing outdoor working equipment is not only suitable for various external working environments, but also can generate high-temperature heating phenomena after long-time working of internal devices in the running working process of the device due to the high-temperature characteristics of the outdoor working environments, so that the working efficiency of the devices is reduced, and even the situation that the devices cannot operate is caused. Therefore, the existing outdoor working equipment is usually provided with a fan to cool down the internal devices thereof, so that the situation that the device stops running is avoided, but based on the situation, the following problems also occur: the outdoor working environment causes noise to be generated by the fan easily due to vibration, so that larger noise pollution is caused to the environment, and normal work and life of staff or surrounding users are affected.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems in the prior art, and provides a noise reduction fan fixing structure which can solve the problems that the existing fan fixing structure is easy to be polluted by dust, and easy to generate huge noise pollution due to vibration in the working process, and the like, and has the advantages of being capable of avoiding dust pollution, stable in mounting structure and reducing vibration.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows:

a noise reduction fan fixing structure, comprising:

the fan is provided with a plurality of first connecting holes;

the fan fixing support is used for being connected with an outdoor working device, a plurality of second connecting holes are respectively formed in the fan fixing support corresponding to the first connecting holes, and an air inlet is formed in the fan fixing support corresponding to the air inlet of the fan;

the connecting blind nails are elastic pieces, each connecting blind nail is provided with a strip-shaped groove for providing an elastic deformation space, and each connecting blind nail penetrates through each first connecting hole and each second connecting hole through shrinkage deformation so as to connect and fix the fan and the fan fixing support.

Further, a plurality of retaining portions are convexly arranged on each connecting blind rivet, and after each connecting blind rivet passes through the first connecting hole and the second connecting hole through shrinkage deformation, the retaining portions are abutted with the fan and the fan fixing support to limit the fan and the fan fixing support to withdraw from the connecting blind rivet along the opposite inserting direction.

Further, the retaining portions are disposed around the circumferential protrusions of the connecting blind rivet, the strip-shaped grooves are formed in the radial direction of the connecting blind rivet from the retaining portions to the central line direction of the connecting blind rivet, and the strip-shaped grooves are used for providing a space for shrinkage deformation for the retaining portions.

Further, the connecting blind rivet further comprises a transition curved surface, and the cross section area of the transition curved surface gradually reduces along the stop part towards the inserting end direction of the connecting blind rivet.

Further, one end portion of each connecting rivet is provided with a blocking portion for preventing the connecting rivet from completely penetrating through the fan and the fan fixing support, and after each connecting rivet penetrates through the first connecting hole and the second connecting hole through shrinkage deformation, the blocking portion and the retaining portion are respectively abutted to two opposite end faces of the fan or two opposite end faces of the fan fixing support.

Further, each blocking portion is cylindrical and is fixed to the end portion of each connecting blind rivet respectively, and the cross-sectional area of each blocking portion is larger than that of each connecting blind rivet.

Further, the fan fixing support is fixedly connected with the face shell and the dustproof structure, the face shell is provided with a through hole corresponding to the air inlet, and the dustproof structure is arranged on the through hole.

Further, the dustproof structure comprises a dustproof support arranged on the through hole, dustproof cotton and a dustproof cover used for fixing the dustproof cotton on the dustproof support.

Further, the dustproof cover is fixedly connected with the dustproof support and the face shell through the buckle structure.

Further, a waterproof baffle plate for sealing the area of the through hole part is arranged on the face shell, and an opening is formed in the dustproof support corresponding to the waterproof baffle plate.

The beneficial effects of the utility model are as follows:

before the noise reduction fan fixing structure is used, a plurality of connecting blind nails can penetrate through all first connecting holes on a fan and all second connecting holes on a fan fixing bracket to connect the fan fixing structure and the fan fixing bracket, wherein when the connecting blind nails penetrate through the first connecting holes and the second connecting holes, the connecting blind nails are extruded by the inner walls of the holes, and the connecting blind nails are extruded by the space of the strip-shaped grooves to elastically deform so as to penetrate through the first connecting holes and the second connecting holes and be tightly connected with the first connecting holes and the second connecting holes. In operation, outside air can be drawn through the air inlet to the fan and act on the heat-generating components. Through above-mentioned setting, not only adopt elastic connection blind rivet, can utilize self characteristic to provide buffering absorbing ability after the connection is accomplished, reach the effect of making an uproar falls. Meanwhile, the elastic connecting blind rivet is provided with the strip-shaped groove for providing the shrinkage space, so that the connecting blind rivet can pass through the first connecting hole and the second connecting hole in a deformation mode and are in interference fit with the first connecting hole and the second connecting hole, the connecting blind rivet is stably connected with the fan and the fan fixing support, vibration between the connecting blind rivet and the fan fixing support is reduced, and the overall structure is more stable and firm.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is an exploded view of a preferred embodiment of a noise reduction fan mounting structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of a preferred embodiment of a noise reduction fan mounting structure of the present utility model;

FIG. 3 is a partial schematic view of a preferred embodiment of a noise reduction fan mounting structure according to the present utility model;

FIG. 4 is a schematic view of the construction of a preferred embodiment of the connecting blind rivet of the present utility model;

FIG. 5 is a schematic structural view of a preferred embodiment of the face-piece of the present utility model;

FIG. 6 is a schematic view of the construction of a preferred embodiment of the dust cap of the present utility model;

fig. 7 is a schematic view of the structure of a preferred embodiment of the dust-proof bracket of the present utility model.

Wherein, each reference sign in the figure:

10. a fan; 101. a first connection hole; 20. a fan fixing bracket; 201. a second connection hole; 203. an air inlet; 30. connecting a blind rivet; 301. a bar-shaped groove; 302. a stopping portion; 303. a transition curved surface; 304. a blocking portion; 40. a face shell; 401. a through hole; 402. a waterproof baffle; 501. a dust-proof bracket; 5011. opening holes; 502. dust-proof cotton; 503. a dust cover; 601. a snap-fit protrusion; 602. a buckling position; 70. a sheet metal part.

Detailed Description

Reference will now be made in detail to the present embodiments of the present utility model, examples of which are illustrated in the accompanying drawings, wherein the accompanying drawings are used to supplement the description of the written description so that one can intuitively and intuitively understand each technical feature and overall technical scheme of the present utility model, but not to limit the scope of the present utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1 to 7, a preferred embodiment of the present utility model includes: a fan 10, a fan fixing bracket 20 for connecting with an outdoor working device, and a plurality of connecting blind rivets 30 which are elastic members, wherein a plurality of first connecting holes 101 are formed in the fan 10; the fan fixing bracket 20 is provided with a plurality of second connecting holes 201 corresponding to the first connecting holes 101, and an air inlet 203 corresponding to the air inlet of the fan 10; each of the connection pins 30 is provided with a bar-shaped groove 301 for providing an elastic deformation space, and each of the connection pins 30 passes through each of the first connection holes 101 and each of the second connection holes 201 by shrinkage deformation to connect and fix the fan 10 and the fan fixing bracket 20. Before the use of the present solution, a plurality of connecting blind pins 30 can be connected together through each first connecting hole 101 on the fan 10 and each second connecting hole 201 of the fan fixing support 20, wherein when the connecting blind pins 30 pass through the first connecting holes 101 and the second connecting holes 201, the connecting blind pins 30 are extruded by the inner walls of the holes and are extruded by the space of the strip-shaped groove 301 to generate elastic deformation, so that the connecting blind pins 30 pass through the first connecting holes 101 and the second connecting holes 201 and are tightly connected with the first connecting holes and the second connecting holes 201. In final operation, outside air can be drawn through the air inlet 203 to the fan 10 and act on the heat generating components. Through the arrangement, not only the elastic connecting blind rivet 30 is adopted, but also the self characteristics are utilized to provide the buffering and damping capacity after the connection is completed, so that the noise reduction effect is achieved. Meanwhile, the strip-shaped groove 301 for providing the shrinkage space is formed in the elastic connecting blind rivet 30, so that the connecting blind rivet 30 can pass through the first connecting hole 201 through deformation and are in interference fit with the first connecting hole 201, the connecting blind rivet 30 is stably connected with the fan 10 and the fan fixing support 20, vibration among the three is reduced, and the overall structure is more stable and firm.

As a preferred embodiment of the utility model, it may also have the following additional technical features:

in this embodiment, referring to fig. 4, a plurality of retaining portions 302 are provided on each of the connecting pins 30 in a protruding manner, and after each of the connecting pins 30 passes through the first connecting hole 101 and the second connecting hole 201 through shrinkage deformation, the retaining portions 302 abut against the fan 10 and the fan fixing bracket 20 to limit the fan 10 and the fan fixing bracket 20 from being withdrawn from the connecting pins 30 along the opposite direction of insertion. Through the setting of the retaining portion 302, when the connection pulls the perforation, the retaining portion 302 can shrink and deform so that the connection blind rivet 30 passes through the first connection hole 101 and the second connection hole 201, and after passing through the connection hole, the retaining portion 302 can be restored to the original state due to self elasticity at the moment and simultaneously is abutted with the fan 10 and the fan fixing bracket 20, so that the connection blind rivet 30 is limited to be movably withdrawn from the connection blind rivet. The arrangement further improves the connection stability between the connecting blind rivet 30 and the fan 10 and the fan fixing support 20, and ensures that the three parts cannot be separated easily.

In combination with the above arrangement of the retaining portions 302, in this embodiment, referring to fig. 4, the retaining portions 302 are disposed around the circumferential protrusion of the connecting blind rivet 30, the strip-shaped grooves 301 are opened along the radial direction of the connecting blind rivet 30 from each retaining portion 302 toward the centerline direction of the connecting blind rivet 30, and the strip-shaped grooves 301 are used for providing a space for contraction deformation for each retaining portion 302. Through the specific structural arrangement of the retaining portion 302, the retaining portion 302 arranged circumferentially can better form abutting connection with the fan 10 and the fan fixing support 20, the movement limiting effect on the two is better, and stability after connection is improved. Meanwhile, the strip-shaped groove 301 is provided with a notch on the retaining part 302, so that the retaining part 302 can better shrink towards the middle part of the strip-shaped groove 301, and the difficulty in assembling and connecting the blind rivet 30 with the fan 10 and the fan fixing support 20 is reduced. In other embodiments, the retaining portion 302 may also be a rectangular protrusion protruding from the side wall of the connecting rivet 30, and is not limited to the above arrangement.

In combination with the above arrangement of the retaining portion 302, in this embodiment, referring to fig. 4, the present embodiment further includes a transition curved surface 303, and the cross-sectional area of the transition curved surface 303 gradually decreases along the retaining portion 302 toward the insertion end direction of the connecting blind rivet 30. By the above arrangement of the transition curved surface 303, the cross-sectional area of the connecting blind rivet 30 is gradually increased as the connecting blind rivet 30 is inserted into the first connecting hole 101 and the second connecting hole 201, and finally the retaining portion 302 smoothly passes through the first connecting hole 101 and the second connecting hole 201. This kind of setting can reduce the degree of difficulty that the backstop portion 302 passed the connecting hole, improves assembly efficiency, avoids the application of force too big and leads to backstop portion 302 impaired simultaneously, improves life.

In combination with the above arrangement of the retaining portion 302, in this embodiment, referring to fig. 4, one end portion of each of the connecting pins 30 is provided with a blocking portion 304 for preventing the connecting pins 30 from completely penetrating through the fan 10 and the fan fixing bracket 20, and after each of the connecting pins 30 penetrates through the first connecting hole 101 and the second connecting hole 201 through shrinkage deformation, the blocking portion 304 and the retaining portion 302 are respectively abutted against two opposite end surfaces of the fan 10 or two opposite end surfaces of the fan fixing bracket 20. Through the setting of blocking part 304, after the grafting of connecting blind rivet 30 passes first second connecting hole 201, blocking part 304 can laminate with fan 10 or fan fixed bolster 20 this moment and restrict the further removal of connecting blind rivet 30, appears connecting blind rivet 30 and pass the condition of connecting hole completely even, ensures that the three can be stably connected.

In combination with the above arrangement of the blocking portions 304, in this embodiment, referring to fig. 4, each blocking portion 304 is cylindrical and is fixed to an end of each connecting blind rivet 30, and a cross-sectional area of each blocking portion 304 is larger than a cross-sectional area of the connecting blind rivet 30. By limiting the position and shape of the blocking portion 304, the blocking portion 304 can be ensured to be abutted against the fan 10 or the fan fixing bracket 20 after the connecting blind rivet 30 passes through the two connecting holes, further the continuous insertion of the blocking portion is limited, and the stability of the connection of the three is improved. In other embodiments, the blocking portion 304 may be provided in other convex shapes, and is not limited to the above.

In this embodiment, as shown in fig. 1 to 2, the fan fixing bracket further includes a face housing 40 fixedly connected to the fan fixing bracket 20, and a dust-proof structure, wherein the face housing 40 is provided with a through hole 401 corresponding to the air inlet 203, and the dust-proof structure is disposed on the through hole 401. Through the above arrangement, the face housing 40 can be used as a housing of an external working device, and the external air is filtered through the dustproof structure under the suction force of the fan 10, then passes through the through hole 401, and finally is blown onto the heating device by the fan 10. This kind of setting can reduce the dust that inhales the air and carry, reduces the influence of dust to fan 10 and other devices in inside, ensures that each device normal use, improves the life of each device. And meanwhile, pollution to the environment or harm to the health of staff caused by blown dust is reduced.

In combination with the above arrangement of the dust-proof structure, in this embodiment, referring to fig. 1 to 2 and 5 to 7, the dust-proof structure includes a dust-proof bracket 501 disposed on the through hole 401, dust-proof cotton 502, and a dust-proof cover 503 for fixing the dust-proof cotton 502 on the dust-proof bracket 501. Through above-mentioned setting, the cooperation setting of dustproof support 501 and shield 503 can form one and place the cavity for dustproof cotton 502 is stable to be set up on through-hole 401, and then carries out better filtration to the dust in the inhaled air, improves the stability of internal device operation.

In combination with the specific structural arrangement of the dustproof structure, in this embodiment, as shown in fig. 5-7, the dustproof cover 503 further includes a fastening structure, and the dustproof bracket 501 and the face shell 40 are fixedly connected through the fastening structure. Specifically, the buckle structure includes a plurality of buckle protruding 601 that set up on shield 503 and detain position 602 that sets up respectively on shield 501 and face-piece 40, just can realize fixing shield 503 on shield 501 and face-piece 40 through the adaptation buckle of buckle protruding 601 and detaining position 602, through above-mentioned setting, can realize connection stability between shield 503 and face-piece 40 and shield self and shield, simultaneously through the quick assembly disassembly of shield 503, also can reach the purpose of high-efficient change dustproof cotton 502.

In this embodiment, referring to fig. 5, a waterproof board 402 for sealing a part of the area of the through hole 401 is disposed on the face shell 40, and an opening 5011 is disposed on the dustproof support 501 corresponding to the waterproof board 402. Through the arrangement, the through holes 401 on the face shell 40 and the holes 5011 on the dustproof support 501 are just staggered, namely, the air needs to be turned after passing through the holes 5011 to pass through the through holes 401, so that the arrangement cannot greatly influence the air flow, but an external water source cannot easily enter the device, the normal operation of the fan 10 and other devices is avoided, and the operation stability of the device is improved.

In this embodiment, referring to fig. 1 to 2, the air conditioner further includes a sheet metal part 70, the sheet metal part 70 is disposed between the face shell 40 and the fan fixing support 20, and the sheet metal part 70 is provided with a ventilation opening corresponding to the air inlet 203. Through the setting of sheet metal component 70, can increase the holistic intensity of structure for panel shell 40 or fan fixed bolster 20 can not take place to buckle or damage easily, forms the protection to inside fan 10 and other devices, improves the stability of device operation.

The above additional technical features can be freely combined and superimposed by a person skilled in the art without conflict.

The foregoing is only a preferred embodiment of the present utility model, and all technical solutions for achieving the object of the present utility model by substantially the same means are within the scope of the present utility model.

Claims (10)

1. A noise reduction fan fixing structure, characterized by comprising:

a fan (10), wherein a plurality of first connecting holes (101) are formed in the fan (10);

the fan fixing support (20) is used for being connected with an outdoor working device, a plurality of second connecting holes (201) are respectively formed in the fan fixing support (20) corresponding to the first connecting holes (101), and an air inlet (203) is formed in the fan fixing support corresponding to the air inlet of the fan (10);

the connecting blind nails (30) are elastic pieces, each connecting blind nail (30) is provided with a strip-shaped groove (301) for providing an elastic deformation space, and each connecting blind nail (30) respectively penetrates through each first connecting hole (101) and each second connecting hole (201) through shrinkage deformation so as to connect and fix the fan (10) and the fan fixing support (20).

2. The noise reduction fan fixing structure according to claim 1, wherein a plurality of retaining portions (302) are provided on each of the connecting nails (30) in a protruding manner, and after each of the connecting nails (30) passes through the first connecting hole (101) and the second connecting hole (201) respectively through shrinkage deformation, the retaining portions (302) abut against the fan (10) and the fan fixing bracket (20) to limit the fan (10) and the fan fixing bracket (20) from being withdrawn from the connecting nails (30) along the opposite direction of insertion.

3. The noise reduction fan fixing structure according to claim 2, wherein the retaining portions (302) are disposed around the circumferential protrusions of the connecting blind pins (30), the strip-shaped grooves (301) are formed along the radial direction of the connecting blind pins (30) from each retaining portion (302) toward the center line direction of the connecting blind pins (30), and the strip-shaped grooves (301) are used for providing a space for contraction deformation for each retaining portion (302).

4. A noise reduction fan fixing structure according to claim 2, further comprising a transition curved surface (303), wherein a cross-sectional area of the transition curved surface (303) gradually decreases along the retaining portion (302) toward a plug end direction of the connecting blind rivet (30).

5. A noise reduction fan fixing structure according to claim 2, wherein one end portion of each of the connecting pins (30) is provided with a blocking portion (304) for preventing the connecting pin (30) from passing completely through the fan (10) and the fan fixing bracket (20), and after each of the connecting pins (30) passes through the first connecting hole (101) and the second connecting hole (201) by shrinkage deformation, the blocking portion (304) and the retaining portion (302) abut against opposite end surfaces of the fan (10) or opposite end surfaces of the fan fixing bracket (20), respectively.

6. The noise reduction fan fixing structure according to claim 5, wherein each of the blocking portions (304) is cylindrical and is fixed to an end portion of each of the connecting studs (30), respectively, and a cross-sectional area of each of the blocking portions (304) is larger than a cross-sectional area of the connecting stud (30).

7. The noise reduction fan fixing structure according to claim 1, further comprising a face shell (40) fixedly connected to the fan fixing support (20) and a dust-proof structure, wherein the face shell (40) is provided with a through hole (401) corresponding to the air inlet (203), and the dust-proof structure is arranged on the through hole (401).

8. The noise reduction fan fixing structure according to claim 7, wherein the dust-proof structure includes a dust-proof bracket (501) provided on the through hole (401), dust-proof cotton (502), and a dust-proof cover (503) for fixing the dust-proof cotton (502) on the dust-proof bracket (501).

9. The noise reduction fan fixing structure according to claim 8, further comprising a fastening structure, wherein the dust cover (503) is fixedly connected with the dust support (501) and the face housing (40) through the fastening structure.

10. The noise reduction fan fixing structure according to claim 8, wherein a waterproof baffle plate (402) for sealing a part of the area of the through hole (401) is arranged on the face shell (40), and an opening (5011) is arranged on the dustproof support (501) at a position corresponding to the waterproof baffle plate (402).