CN215566796U

CN215566796U - Low-voltage silent fan

Info

Publication number: CN215566796U
Application number: CN202122394968.5U
Authority: CN
Inventors: 黄小雄
Original assignee: Dongguan Zhiling Electric Technology Co ltd
Current assignee: Dongguan Zhiling Electric Technology Co ltd
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-01-18
Anticipated expiration: 2031-09-30

Abstract

The utility model discloses a low-voltage silent fan which comprises a bottom shell, wherein a second clamping ring is fixedly connected to the outer diameter of the rear end of an inserted pin, a coil is fixedly connected to the front end of the second clamping ring, a first clamping ring is arranged at the front end of the coil and fixedly connected to the outer diameter of the front end of the inserted pin, a fixing rod is rotatably connected to the fixing block, sound insulation rings are fixedly connected to the inner walls of the periphery of the shell, and a buffer spring is fixedly connected to the rear end of the fixing block. According to the utility model, noise generated by friction between the shell and the coil during rotation can be absorbed through the sound insulation ring, vibration generated during rotation of the fan blades can be buffered through the buffer spring, noise generated due to vibration is reduced, use experience of users is ensured, the coil is clamped and fixed through the first clamping ring and the second clamping ring through the fixing bolt and the thread groove, the direction of a magnetic field in the coil is ensured to be stable, the fixing rod can stably rotate in the coil, and the novel fan blade fixing device is worthy of wide popularization.

Description

Low-voltage silent fan

Technical Field

The utility model relates to the technical field of fans, in particular to a low-voltage mute fan.

Background

Fan refers to a tool for cooling by generating wind in hot days. The electric fan is a device which is driven by electricity to generate air flow, and the fan arranged in the electric fan rotates after being electrified, so that the electric fan is converted into natural wind to achieve the cooling effect.

Chinese patent document 202020796160.2 discloses a fan, including fan base, fan body, fan chassis, telescopic link fixed slot, first rotation draw-in groove, fan bottom plate, fixed buckle, motor hole, motor disc, fan motor, second rotation draw-in groove, first dwang, telescopic link and second dwang, fan base bottom is provided with fan bottom plate, fan bottom plate top one side is provided with fixed buckle, and fixed buckle is connected with fan base, fan bottom plate bottom has the motor disc through the screw fixation, there is fan motor through the screw fixation in motor disc top one side. The fan of this patent does not possess the amortization function, and the fan can produce a large amount of noises at the during operation, influences user's use and experiences to the fan can produce when high-speed rotation and rock and lead to the unstability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides a low-voltage mute fan.

In order to achieve the purpose, the utility model adopts the following technical scheme: a low-voltage silent fan comprises a bottom shell, wherein mounting seats are fixedly connected to the outer walls of the middle positions of two sides of the front end of the bottom shell, a bolt is fixedly connected to the middle position of the rear end of the bottom shell, a second clamping ring is fixedly connected to the outer diameter of the rear end of the bolt, a coil is fixedly connected to the front end of the second clamping ring and fixedly connected to the outer diameter of the bolt, a fixing ring is fixedly connected to the inner diameter of the middle position of the front end of the coil, four thread grooves are uniformly and fixedly connected to the outer diameter of the front end of the coil, a first clamping ring is arranged at the front end of the coil and fixedly connected to the outer diameter of the front end of the bolt, a fixing block is fixedly connected to the inner diameter of the second clamping ring, a fixing rod is rotatably connected to the fixing block and the front end of the fixing rod is rotatably connected to the coil, a shell is fixedly connected to the rear end of the fixing rod, and sound insulation rings are fixedly connected to the inner walls of the periphery of the shell and made of polyester fibers, the housing is rotatably connected to the rear end of the bottom shell.

As a further description of the above technical solution:

the middle position of the front end of the bottom shell penetrates through and is fixedly connected with a lead, and the lead is electrically connected with the coil.

As a further description of the above technical solution:

the outer wall all around of shell is fixedly connected with evenly distributed's flabellum.

As a further description of the above technical solution:

the rear end of the fixed block is fixedly connected with a buffer spring, and one end of the buffer spring is fixedly connected to the inner wall of the middle position of the shell.

As a further description of the above technical solution:

and the middle positions of the bottom shell and the first clamping ring are both penetrated and provided with through holes.

As a further description of the above technical solution:

four openings are uniformly arranged on the first clamping ring in a penetrating manner, and the positions of the openings correspond to the positions of the thread grooves.

As a further description of the above technical solution:

and the thread grooves are all penetrated and are in threaded connection with fixing bolts, and one ends of the fixing bolts all penetrate through the first clamping rings.

The utility model has the following beneficial effects:

according to the utility model, noise generated by friction between the shell and the coil when the shell rotates can be absorbed through the sound insulation ring made of the polyester fiber, sound generated by rotation of the fan blade can be absorbed, vibration generated by rotation of the fan blade can be buffered through the buffer spring, noise generated by vibration is reduced, noise generated by working of the fan is eliminated in various steps, use experience of a user is ensured, the coil is clamped and fixed through the first clamping ring and the second clamping ring through threaded connection between the fixing bolt and the threaded groove, the direction of a magnetic field in the coil is stable, so that the fixing rod can stably rotate in the coil at high speed, shaking generated when the fan rotates is avoided, and the novel fan is worthy of great popularization.

Drawings

Fig. 1 is a perspective view of a low-voltage silent fan according to the present invention;

fig. 2 is an exploded view of a low-pressure silent fan according to the present invention;

fig. 3 is an exploded view of a coil of a low-voltage silent fan according to the present invention.

Illustration of the drawings:

1. a bottom case; 2. a mounting seat; 3. a wire; 4. a housing; 5. a fan blade; 6. a first clamp ring; 7. a coil; 8. a fixing ring; 9. a second clamping ring; 10. a fixed block; 11. a buffer spring; 12. fixing the rod; 13. a sound-insulating ring; 14. a through hole; 15. a bolt; 16. a thread groove; 17. fixing the bolt; 18. and (6) opening holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being 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 invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, one embodiment of the present invention is provided: a low-voltage silent fan comprises a bottom shell 1, wherein mounting seats 2 are fixedly connected to the outer walls of the middle positions of two sides of the front end of the bottom shell 1, a bolt 15 is fixedly connected to the middle position of the rear end of the bottom shell 1, a second clamping ring 9 is fixedly connected to the outer diameter of the rear end of the bolt 15, a coil 7 is fixedly connected to the front end of the second clamping ring 9, a fixing ring 8 is fixedly connected to the inner diameter of the middle position of the front end of the coil 7, four thread grooves 16 are uniformly and fixedly connected to the outer diameter of the front end of the coil 7, a first clamping ring 6 is arranged at the front end of the coil 7, the first clamping ring 6 is fixedly connected to the outer diameter of the front end of the bolt 15, a fixing block 10 is fixedly connected to the inner diameter of the second clamping ring 9, the first clamping ring 6 and the second clamping ring 9 clamp the coil 7 through threaded connection between a fixing bolt 17 and the thread grooves 16, and the direction of a magnetic field in the coil 7 is ensured to be stable, thereby make the high-speed rotation of dead lever 12 internal stability at coil 7, produce when avoiding the fan to rotate and rock, the 10 internal rotations of fixed block are connected with dead lever 12 and the 12 front ends of dead lever and are connected at coil 7 internal rotations, dead lever 12 rear end fixedly connected with shell 4, shell 4 is fixed connection all around on the inner wall give sound insulation ring 13 and give sound insulation ring 13's material for polyester fiber, give sound insulation ring 13 through the polyester fiber material can absorb shell 4 when rotating the noise that produces with the friction between the coil 7, and also can absorb the sound that produces when flabellum 5 rotates, shell 4 rotates on drain pan 1 rear end to be connected.

The middle position of the front end of the bottom shell 1 penetrates through and is fixedly connected with a lead 3, the lead 3 is electrically connected with a coil 7, the outer wall of the periphery of the shell 4 is fixedly connected with evenly distributed fan blades 5, the coil 7 is powered by the lead 3 to generate a rotating magnetic field and act on a fixed rod 12, so that the fixed rod 12 rotates in a fixed block 10 and the coil 7 to further drive the fan blades 5 on the shell 4 to rotate, the rear end of the fixed block 10 is fixedly connected with a buffer spring 11, one end of the buffer spring 11 is fixedly connected on the inner wall of the middle position of the shell 4, vibration generated when the fan blades 5 rotate can be buffered by the buffer spring 11, noise generated due to vibration is reduced, noise generated when the fan works is eliminated in various steps, the use experience of a user is ensured, the middle positions of the bottom shell 1 and the first clamping ring 6 penetrate through and are provided with through holes 14, the first clamping ring 6 uniformly penetrates through and is provided with four open holes 18, and the positions of the open holes 18 correspond to the positions of a thread groove 16, a fixing bolt 17 penetrates through and is in threaded connection with the thread groove 16, and one end of the fixing bolt 17 penetrates through the first clamping ring 6.

The working principle is as follows: the coil 7 is powered by the lead 3 to generate a rotating magnetic field and act on the fixing rod 12, so that the fixing rod 12 rotates in the fixing block 10 and the coil 7, thereby driving the fan blades 5 on the shell 4 to rotate, absorbing the noise generated by the friction between the shell 4 and the coil 7 when the shell 4 rotates through the sound-proof ring 13 made of polyester fiber, and can also absorb the sound generated when the fan blade 5 rotates, the vibration generated when the fan blade 5 rotates can be buffered through the buffer spring 11, the noise generated by the vibration is reduced, the noise generated when the fan works is eliminated in various steps, and the coil 7 is clamped and fixed by the first clamping ring 6 and the second clamping ring 9 through the threaded connection between the fixing bolt 17 and the threaded groove 16, the direction of the magnetic field in the coil 7 is ensured to be stable, thereby enabling the fixing lever 12 to stably rotate at a high speed in the coil 7 and preventing the fan from shaking when rotating.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims

1. The utility model provides a low pressure silence fan, includes drain pan (1), its characterized in that: the improved coil clamping device is characterized in that mounting seats (2) are fixedly connected to the outer walls of the middle positions of the two sides of the front end of the bottom shell (1), a bolt (15) is fixedly connected to the middle position of the rear end of the bottom shell (1), a second clamping ring (9) is fixedly connected to the outer diameter of the rear end of the bolt (15), a coil (7) is fixedly connected to the front end of the second clamping ring (9) and the coil (7) is fixedly connected to the outer diameter of the bolt (15), a fixing ring (8) is fixedly connected to the inner diameter of the middle position of the front end of the coil (7), four thread grooves (16) are uniformly and fixedly connected to the outer diameter of the front end of the coil (7), a first clamping ring (6) is arranged at the front end of the coil (7), the first clamping ring (6) is fixedly connected to the outer diameter of the front end of the bolt (15), a fixing block (10) is fixedly connected to the inner diameter of the second clamping ring (9), a fixing rod (12) is rotatably connected to the fixing block (10), and the front end of the fixing rod (12) is rotatably connected to the coil (7) The fixing rod (12) is fixedly connected with a shell (4) at the rear end, the shell (4) is fixedly connected with a sound insulation ring (13) on the inner wall all around and made of polyester fibers, and the shell (4) is rotatably connected with the rear end of the bottom shell (1).

2. A low pressure quiet fan as claimed in claim 1, wherein: the middle position of the front end of the bottom shell (1) penetrates through and is fixedly connected with a lead (3), and the lead (3) is electrically connected with the coil (7).

3. A low pressure quiet fan as claimed in claim 1, wherein: the fan blades (5) which are uniformly distributed are fixedly connected to the peripheral outer wall of the shell (4).

4. A low pressure quiet fan as claimed in claim 1, wherein: the rear end of the fixed block (10) is fixedly connected with a buffer spring (11) and one end of the buffer spring (11) is fixedly connected to the inner wall of the middle position of the shell (4).

5. A low pressure quiet fan as claimed in claim 1, wherein: the middle positions of the bottom shell (1) and the first clamping ring (6) penetrate through the bottom shell and are provided with through holes (14).

6. A low pressure quiet fan as claimed in claim 1, wherein: four openings (18) are uniformly arranged on the first clamping ring (6) in a penetrating manner, and the positions of the openings (18) correspond to the positions of the thread grooves (16).

7. A low pressure quiet fan as claimed in claim 1, wherein: the thread groove (16) is internally and all penetrated and connected with a fixing bolt (17) in a threaded manner, and one end of the fixing bolt (17) is all penetrated through the first clamping ring (6).