CN212959264U

CN212959264U - Bladeless fan

Info

Publication number: CN212959264U
Application number: CN202021062904.4U
Authority: CN
Inventors: 黄纪东
Original assignee: Ningbo Aole Electrical Appliance Co ltd
Current assignee: Ningbo Aole Electrical Appliance Co ltd
Priority date: 2020-06-09
Filing date: 2020-06-09
Publication date: 2021-04-13
Anticipated expiration: 2030-06-09

Abstract

The utility model relates to a bladeless fan belongs to fan technical field. It includes shell and fan, the shell is including the portion of induced drafting that is located the lower part and the air-out portion that is located upper portion, the fan sets up in the portion of induced drafting, be provided with fan head inner shell in the air-out portion, a plurality of air outlets have been seted up on fan head inner shell lateral wall, terminal surface opening is as the air intake under the fan head inner shell, the one end and the fan head inner shell lower extreme of fan air-out are fixed, the gas outlet and the air intake intercommunication of fan, be provided with two air flues with the air intake intercommunication in the fan head inner shell, the air intake is provided with the water conservancy diversion piece, the water conservancy diversion piece is the triangular prism, and a arris of water conservancy diversion piece sets up to the reposition of redundant personnel arris. The utility model has the advantages of better flow guide effect to the air current during the reposition of redundant personnel.

Description

Bladeless fan

Technical Field

The utility model belongs to the technical field of the fan technique and specifically relates to a bladeless fan is related to.

Background

The bladeless fan is also called an air doubling machine, can generate natural and continuous cold wind, and cannot cover dust or hurt fingers inserted by children due to no blades. More wonderful is that the appearance is streamline and fresh. The basic principle is as follows: the air is sucked into the fan base through the electric motor arranged in the base, after the air is accelerated by the cyclone accelerator, the air circulation speed is increased, the air is surrounded by the annular inner lip of the bladeless fan head, and the surrounding force drives the air near the fan head to enter the fan head along with the air and blow out at high speed.

The utility model discloses a chinese utility model patent that the grant bulletin number is CN207420827U discloses a bladeless fan, including the base member with locate the play dryer of base member upper end, the side or the bottom of base member are equipped with the air inlet, be equipped with impeller and the motor that is used for producing the air current in the base member, the upper end of base member is equipped with loudspeaker form gas outlet, it is equipped with a adapter sleeve to go out the dryer lower extreme, be equipped with loudspeaker form inlet port in the adapter sleeve, the main aspects of this loudspeaker form inlet port link to each other with the loudspeaker form outlet port tip of base member, the tip of this loudspeaker form inlet port links to each other with the bottom opening that goes out the dryer, be equipped with first splitter plate in the loudspeaker form inlet port.

The bladeless fan has the following defects: the horn-shaped air inlet is separated by one plate of the first splitter plate, so that the air inlet is uniformly divided into two diversion channels, the diversion effect on the air flow is poor, the air outlet efficiency is reduced, the air flow is disorderly fleed, and great noise can be generated.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a when shunting to the better bladeless fan of water conservancy diversion effect of air current.

The utility model discloses an above-mentioned function can be realized through following technical scheme:

a bladeless fan comprises a shell and a fan, wherein the shell comprises an air suction part positioned at the lower part and an air outlet part positioned at the upper part, the fan is arranged in the air suction part, the air outlet part is internally provided with a fan head inner shell, one side wall of the fan head inner shell is provided with a plurality of air outlets, the lower end surface of the fan head inner shell is provided with an opening as an air inlet, one end of the air outlet of the fan is fixed with the lower end of the fan head inner shell, the air outlet of the fan is communicated with the air inlet, two air passages communicated with the air inlet are arranged in the fan head inner shell, the air inlet is provided with a flow guide block, the flow guide block is a triangular prism, one edge of the diversion block is set as a diversion edge, the side walls at two sides of the diversion edge are set as diversion surfaces, the shunting arris orientation the fan sets up and is located in the fan, the reposition of redundant personnel face is opened and is become streamlined arc surface.

Through adopting above-mentioned technical scheme, the water conservancy diversion piece that sets up plays the reposition of redundant personnel effect, and the air current striking that the fan blew off is shunted to the reposition of redundant personnel face on the reposition of redundant personnel arris, and the air current is guided on the reposition of redundant personnel face, and the water conservancy diversion effect is better, and the resistance is littleer, and the existence of water conservancy diversion piece simultaneously for the air current is more and more narrow along the air intake when the reposition of redundant personnel face flows after the reposition of redundant personnel, plays certain acceleration effect to the air current, thereby improves the speed of air current after.

The present invention may be further configured in a preferred embodiment as: and the side wall of the flow guide block opposite to the flow dividing edge is provided with a weight reduction groove.

By adopting the technical scheme, the weight reduction groove is arranged, the flow guide effect is not influenced, the quality of the flow guide block is reduced, the strength requirement for installation of the flow guide block is reduced, and the weight of the whole equipment of the bladeless fan is reduced.

The present invention may be further configured in a preferred embodiment as: fan head inner shell is the ring form, two the air flue is in air intake department with fan head shell top all communicates, fan head shell includes half shell of air-out and half shell in back, the air outlet is seted up and is located half shell in the air-out deviates from on the lateral wall of half shell in back, half shell in the air-out with half shell in back clamps and fix with screw through the joint subassembly.

Through adopting above-mentioned technical scheme, two air flues form annular air flue, communicate each other for the better distribution of air current is in two air flues, and the fan head inner shell sets to the installation that two parts make things convenient for the water conservancy diversion piece, also makes things convenient for the processing of fan head inner shell, and half shell of air-out and the half shell in back are installed through the joint subassembly in advance earlier, and rethread fix with screw makes the installation of fan head inner shell more convenient.

The present invention may be further configured in a preferred embodiment as: half shell of back deviates from half shell direction of air-out is close to gradually from the bottom up towards half shell direction of air-out of the lateral wall of half shell of air-out.

Through adopting above-mentioned technical scheme, make half shell in the back also have the water conservancy diversion effect, half shell to the air-out of air current direction in the air flue, make the air current more smooth and easy flow out from the air outlet on half shell in the air-out, reduce the kinetic energy loss of air current, half shell in the back is close to towards half shell in the air-out gradually simultaneously, the air flue is more narrow, accord with the air current and continue the trend that the volume that upwards walks reduces from the air outlet egress opening, make the wind that blows off from a plurality of air.

The present invention may be further configured in a preferred embodiment as: the inner wall of the half shell of air-out is provided with a partition plate, the partition plate is arranged between adjacent air outlets, and one end of the partition plate is in overhanging arrangement with the other end of the half shell of air-out, which is fixed.

By adopting the technical scheme, the partition plate has a flow dividing effect, changes the direction of the airflow in the air passage, enables the flowing direction of the airflow to be changed into a horizontal state and blows out from the air outlet instead of an inclined upward state, and enables the air of the bladeless fan to blow forward.

The present invention may be further configured in a preferred embodiment as: the portion of induced drafting swells along the air-out direction, the portion of induced drafting contracts along the direction with air-out direction vertically, the fan is discoid and axis level and perpendicular with the air-out direction, install the air inlet board on the shell, and the air-out direction is perpendicular with the air inlet board, a plurality of air inlets have been seted up on the air inlet board.

Through adopting above-mentioned technical scheme, satisfy the demand of fan installation, the one direction of portion of induced drafting is flattened simultaneously, reduces the volume of portion of induced drafting, and does not influence the fan, and space utilization is higher, and the mounting means of fan for portion of induced drafting mass distribution is more even, and the fuselage is more stable, is difficult to empty, and the air inlet plate is used for admitting air.

The present invention may be further configured in a preferred embodiment as: air inlet areas are arranged on two sides of the shell along the air outlet direction, a plurality of air inlet holes are formed in the air inlet areas, and the area of each air inlet hole is 10-20 times that of each air inlet hole.

Through adopting above-mentioned technical scheme, the air inlet district also is used for admitting air, and the area of inlet port is far less than the air inlet, plays the filter action, because the air inlet position of the straight face fan in air inlet district, the inlet port can reduce dust impurity and get into the fan, and the wind that the air inlet board got into at first strikes on the fan, and dust impurity is difficult to directly get into the fan, and the air inlet area of advancing the shrouding is great, is favorable to a large amount of entering of air, the demand of admitting air when satisfying great gear.

The present invention may be further configured in a preferred embodiment as: the shell includes half preceding shell and back half shell, half preceding shell with half shell can dismantle through coupling assembling and connect and pass through the fix with screw, coupling assembling has a plurality ofly, and is a plurality of coupling assembling follows half preceding shell with the border interval of half shell contact in back sets up, coupling assembling includes extension board and stopper, extension board one end with half preceding shell is fixed, the extension board other end court half shell direction overhang in the back sets up, the card hole has been seted up on the extension board, the stopper set up in half back shell and clamp in the card hole, half preceding shell inner wall is provided with the enhancement piece, the enhancement piece overhang set up and part with half preceding shell inner wall fixed part with the extension board is fixed.

Through adopting above-mentioned technical scheme, half shell and latter half shell before pre-installing through coupling assembling, rethread screw is fixed for the shell installation is more convenient, and the enhancement piece of setting is used for strengthening the intensity of extension board, makes the extension board be difficult to the fracture when warping more, and after extension board card was gone into the stopper simultaneously, because the existence of enhancement piece, make the joint strength between extension board and the stopper higher.

The present invention may be further configured in a preferred embodiment as: the metal stabilizer is characterized by further comprising a base, wherein the base comprises an installation seat and a metal stabilizing seat which are fixed with each other from top to bottom.

Through adopting above-mentioned technical scheme, the mount pad is used for installing shell and fan, and the metal is stabilized the seat and is improved the quality of base for bladeless fan is more stable, is difficult to empty.

The present invention may be further configured in a preferred embodiment as: an empty groove is formed in the lower portion of the metal stabilizing seat, a wire box is installed in the empty groove and fixed with the metal stabilizing seat, a first wire hole is formed in the wire box, and a second wire hole is formed in the wall of the empty groove.

Through adopting above-mentioned technical scheme, the line box is arranged in installing bladeless fan's electric wire, and the electric wire can extend from the base through first line hole and second line hole.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the arranged flow guide block plays a role in flow distribution, airflow blown out by the fan is impacted on the flow distribution ridge and is distributed to the flow distribution surface, the airflow is guided on the flow distribution surface, the flow guide effect is better, the resistance is smaller, and meanwhile, due to the existence of the flow guide block, the air inlet is narrower and narrower when the airflow flows along the flow distribution surface after being distributed, a certain acceleration effect is played on the airflow, so that the speed of the airflow after coming out of the air outlet part is improved;

2. the design that the inner wall of the back half shell is gradually close to the air outlet half shell from bottom to top enables the back half shell to have a flow guiding effect, airflow in the air passage is guided to the air outlet half shell, the airflow can flow out from the air outlet on the air outlet half shell more smoothly, kinetic energy loss of the airflow is reduced, the air passage is narrower and narrower, the trend that the amount of the airflow continuously flowing upwards from the air outlet is reduced is met, and air blown out from a plurality of air outlets is more uniform;

3. the mount pad is used for installing shell and fan, and the metal stabilizing base improves the quality of base for bladeless fan is more stable, is difficult to empty.

Drawings

Fig. 1 is a schematic structural diagram 1 of the present invention;

fig. 2 is a schematic structural diagram 2 of the present invention, with the outer shell removed;

fig. 3 is a schematic structural diagram 3 of the present invention;

FIG. 4 is a schematic structural view of the rear half shell;

FIG. 5 is a partially enlarged schematic view of portion A of FIG. 4

FIG. 6 is a schematic structural view of the front half shell;

FIG. 7 is an enlarged partial schematic view of portion B of FIG. 6;

FIG. 8 is a schematic view of the structure of the base 1;

FIG. 9 is a schematic view of the structure of the base 2;

fig. 10 is a schematic structural view 4 of the present invention, with the outer casing and a portion of the fan casing removed;

fig. 11 is a schematic structural view of a flow guide block;

fig. 12 is a schematic structural view of the air outlet half shell and the flow guide block;

fig. 13 is a schematic structural view of the fan head inner casing and the flow guide block;

fig. 14 is a partially enlarged schematic view of a portion C in fig. 13.

Reference numerals: 1. a housing; 11. a front half shell; 12. a rear half shell; 13. an air outlet channel; 14. an air inlet plate; 141. an air inlet; 15. an air inlet area; 151. an air inlet; 2. a fan; 3. a fan head inner shell; 31. an air outlet half shell; 32. a back half shell; 33. an air outlet; 34. an air inlet; 35. an airway; 36. a partition plate; 4. a flow guide block; 41. a shunting edge; 42. a flow dividing surface; 43. a weight reduction groove; 51. a U-shaped snap ring; 52. a clamping block; 61. an extension plate; 611. a clamping hole; 62. a limiting block; 63. a reinforcing sheet; 7. a base; 71. a mounting seat; 72. a metal stabilization seat; 721. an empty groove; 7211. a second wire hole; 73. a wire box; 731. a first wire hole.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, for the utility model discloses a bladeless fan, including base 7, shell 1, fan 2 and fan head inner shell 3, shell 1 is including the portion of induced drafting that is located the lower part and the air-out portion that is located the upper portion, and fan 2 sets up in the portion of induced drafting, and fan head inner shell 3 sets up in air-out portion.

The portion of induced drafting swells along the air-out direction, and the portion of induced drafting contracts along the direction perpendicular with the air-out direction, and fan 2 is discoid and the axis level and perpendicular with the air-out direction, and the air-out end of fan 2 sets up towards the slope of air-out direction for guide air current is towards the slope of air-out direction.

Referring to fig. 1 and 3, the casing 1 includes a front half shell 11 and a rear half shell 12, the front half shell 11 and the rear half shell 12 are detachably connected through a connecting assembly and fixed by screws, the rear half shell 12 is provided with an air inlet plate 14, an air outlet direction is perpendicular to the air inlet plate 14, the air inlet plate 14 is provided with a plurality of air inlets 141, air inlet regions 15 are arranged on two sides of the casing 1 along the air outlet direction, and one half of the air inlet region 15 is located on the front half shell 11; the other half is positioned on the rear half shell 12, the air inlet area 15 is provided with a plurality of air inlet holes 151, and the area of the air inlet 141 is 10-20 times of the area of the air inlet holes 151.

Referring to fig. 4 and 6, the connecting members are provided in a plurality, spaced along the contacting edges of the front half shell 11 and the rear half shell 12, and are provided on the inner wall of the housing 1.

Referring to fig. 5 and 7, the connecting assembly includes an extension plate 61 and a limiting block 62, one end of the extension plate 61 is fixed to the front half shell 11, the other end of the extension plate 61 is cantilevered towards the rear half shell 12, a clamping hole 611 is formed in the extension plate 61, the limiting block 62 is disposed on the rear half shell 12 and clamped in the clamping hole 611, a reinforcing sheet 63 is disposed on the inner wall of the front half shell 11, the reinforcing sheet 63 is cantilevered and partially fixed to the inner wall of the front half shell 11, and the rest of the reinforcing sheet 63 is fixed to the extension plate 61 and extends into the overhanging portion of the extension plate 61.

Referring to fig. 8 and 9, the base 7 includes a mounting seat 71 and a metal stabilizing seat 72 from top to bottom, the mounting seat 71 is used for mounting the casing 1 and the fan 2, an empty slot 721 is formed under the metal stabilizing seat 72, a wire box 73 is installed in the empty slot 721, the wire box 73 is fixed to the metal stabilizing seat 72, the wire box 73 is provided with a first wire hole 731, a second wire hole 7211 is formed in a wall of the empty slot 721, and the first wire hole 731 is coaxial with the second wire hole 7211.

Referring to fig. 10 and 11, an opening of a lower end surface of the fan head inner shell 3 serves as an air inlet 34, one end of the air outlet of the fan 2 is fixed to the lower end of the fan head inner shell 3, an air outlet of the fan 2 is communicated with the air inlet 34, the air inlet 34 is provided with a flow guide block 4, the flow guide block 4 is a triangular prism, one edge of the flow guide block 4 is a flow dividing edge 41, side walls on two sides of the flow dividing edge 41 are flow dividing surfaces 42, the flow dividing edge 41 is arranged towards the fan 2 and located in the fan 2, the flow dividing surface 42 is provided with a streamline-shaped arc surface, and a weight reducing groove 43 is formed in a side wall.

Referring to fig. 10 and 12, fan head inner shell 3 is the ring form, be provided with two air flues 35 with the 34 intercommunication of air intake in the fan head inner shell 3, two air flues 35 all communicate with 1 top of fan head outer shell in 34 department of air intake, fan head outer shell 1 includes half 31 and half 32 in the back of air-out, a plurality of air outlets 33 have been seted up on the lateral wall that half 31 in the back deviates from half 32 in the air-out, half 32 in the back deviates from the lateral wall from the bottom up of half 31 in the air-out and is close to gradually towards half 31 direction in the air-out, two terminal surface from the bottom up towards the slope of air-out inner shell direction of water conservancy diversion block 4 set up (contrast 11), the inner wall of half 31 in the air-out is provided with baffle 36, baffle 36 sets.

Meanwhile, an air outlet duct 13 communicated with the air outlet 33 is formed in the area, located at the air outlet portion, of the front half shell 11 and used for air outlet, the front half shell 11 is fixed with the air outlet inner shell, and the rear half shell 12 is fixed with the back half shell 32 (compare fig. 1 and fig. 2).

Referring to fig. 13 and 14, half 31 and the half shell 32 in back of air-out clamp through the joint subassembly and fix with screw, the joint subassembly has a plurality ofly, a plurality of joint subassemblies set up along the outer lane interval of fan head inner shell 3, the joint subassembly includes U-shaped snap ring 51 and fixture block 52, fixture block 52 sets up in half 31 in the air-out, U-shaped snap ring 51 sets up in half shell 32 in the back, and the half shell 32 in U-shaped snap ring 51 open-ended one end and back is fixed, the one end that U-shaped snap ring 51 buckled clamps in fixture block 52.

The implementation principle of the embodiment is as follows: air is sucked into the outer shell 1 through the fan 2 arranged in the air suction part, and is blown into the fan head inner shell 3 through the fan 2, and the air is divided by the flow guide block 4 to flow into the two air passages 35 and is finally blown out through the air outlet 33 of the fan head inner shell 3.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A bladeless fan, comprising: including shell (1) and fan (2), shell (1) is including the portion of induced drafting that is located the lower part and the air-out portion that is located the upper portion, fan (2) set up in the portion of induced drafting, be provided with fan head inner shell (3) in the air-out portion, a plurality of air outlets (33) have been seted up on fan head inner shell (3) a lateral wall, terminal surface opening is as air intake (34) under fan head inner shell (3), the one end and the fan head inner shell (3) lower extreme of fan (2) air-out are fixed, the gas outlet of fan (2) with air intake (34) intercommunication, be provided with two in fan head inner shell (3) with air flue (35) that air intake (34) communicate, air intake (34) are provided with water conservancy diversion piece (4), water conservancy diversion piece (4) are the triangular prism, just a arris of water conservancy diversion piece (4) sets up, the lateral wall of reposition of redundant personnel arris (41) both sides sets up to reposition of redundant personnel face (42), reposition of redundant personnel arris (41) orientation fan (2) set up and be located in fan (2), the circular arc face of streamline type is seted up to reposition of redundant personnel face (42).

2. A bladeless fan according to claim 1, wherein: and a weight reduction groove (43) is formed in the side wall of the flow guide block (4) opposite to the flow dividing edge (41).

3. A bladeless fan according to claim 2, wherein: fan head inner shell (3) are the ring form, two air flue (35) are in air intake (34) department with fan head shell (1) top all communicates, fan head shell (1) includes half shell (31) of air-out and half shell (32) in back, air outlet (33) are seted up in half shell (31) of air-out deviates from on the lateral wall of half shell (32) in back, half shell (31) of air-out with half shell (32) in back clamps and fix with screw through the joint subassembly.

4. A bladeless fan according to claim 3, wherein: the back half shell (32) deviates from the lateral wall from the bottom up of the air outlet half shell (31) and is gradually close to the air outlet half shell (31) direction.

5. The bladeless fan of claim 4, wherein: the inner wall of half shell (31) of air-out is provided with baffle (36), baffle (36) set up between adjacent air outlet (33), just baffle (36) one end with half shell (31) of air-out is fixed the other end and is stretched the setting.

6. The bladeless fan of claim 5, wherein: the portion of induced drafting swells along the air-out direction, the portion of induced drafting contracts along the direction with air-out direction vertically, fan (2) are discoid and axis level and perpendicular with the air-out direction, install air inlet plate (14) on shell (1), and the air-out direction is perpendicular with air inlet plate (14), a plurality of air inlets (141) have been seted up on air inlet plate (14).

7. The bladeless fan of claim 6, wherein: air inlet areas (15) are arranged on two sides of the shell (1) along the air outlet direction, a plurality of air inlet holes (151) are formed in the air inlet areas (15), and the area of the air inlet (141) is 10-20 times that of the air inlet holes (151).

8. The bladeless fan of claim 7, wherein: the shell (1) comprises a front half shell (11) and a rear half shell (12), the front half shell (11) and the rear half shell (12) are detachably connected through a connecting component and are fixed through screws, the connecting component is provided with a plurality of connecting components which are arranged at intervals along the edge of the contact of the front half shell (11) and the rear half shell (12), the connecting component comprises an extension plate (61) and a limiting block (62), one end of the extension plate (61) is fixed with the front half shell (11), the other end of the extension plate (61) is arranged in a suspending way towards the rear half shell (12), the extending plate (61) is provided with a clamping hole (611), the limiting block (62) is arranged on the rear half shell (12) and clamped in the clamping hole (611), preceding half shell (11) inner wall is provided with strengthens piece (63), strengthen piece (63) overhang setting and part with preceding half shell (11) inner wall fixed part with extension board (61) are fixed.

9. A bladeless fan according to claim 8, wherein: the device also comprises a base (7), wherein the base (7) comprises an installation seat (71) and a metal stabilizing seat (72) which are fixed with each other from top to bottom.

10. A bladeless fan according to claim 9, wherein: an empty groove (721) is formed in the lower portion of the metal stabilizing seat (72), a wire box (73) is installed in the empty groove (721), the wire box (73) is fixed to the metal stabilizing seat (72), a first wire hole (731) is formed in the wire box (73), and a second wire hole (7211) is formed in the wall of the empty groove (721).