CN219366367U

CN219366367U - Open-type fan with silencing function

Info

Publication number: CN219366367U
Application number: CN202223413353.3U
Authority: CN
Inventors: 秦伯进; 严庆生; 陈兵; 陈靓; 生荔; 陈华
Original assignee: Jiangsu Josun Air Conditioner Co Ltd
Current assignee: Jiangsu Josun Air Conditioner Co Ltd
Priority date: 2022-12-20
Filing date: 2022-12-20
Publication date: 2023-07-18
Anticipated expiration: 2032-12-20

Abstract

The utility model provides an open-type fan with noise reduction, which relates to the technical field of fans and comprises a connecting block, wherein two ends of the connecting block are respectively fixed with a supporting plate, one side wall of each supporting plate penetrates through and is provided with a rotating rod in a bearing rotation mode, a fan shell is arranged between the supporting plates and above the connecting block, the centers of two side walls of the fan shell are fixedly connected with one end of the rotating rod, one end of the fan shell is fixedly provided with a ring plate, and one side wall of the fan shell is fixedly provided with a gear shell; and the silencing assembly is fixedly arranged on the fan shell. According to the utility model, the sound insulation plates are fixed on the inner wall of the fan shell, the sound insulation plates are fixed on one side wall of the sound insulation plates, the first sound insulation screen plate and the second sound insulation screen plate are respectively arranged at the two ends of the fan shell, so that the effect of silencing noise generated by the fan assembly can be achieved, the effect of reducing the noise transmitted to the outside of the fan during the operation of the fan assembly can be achieved, and meanwhile, the mode is low in cost and does not occupy space.

Description

Open-type fan with silencing function

Technical Field

The utility model relates to the technical field of fans, in particular to an open-type fan with silencing function.

Background

Along with the development and progress of society, the requirements of people on working environment, service environment and the like are continuously improved, the requirements on noise are also higher and higher, and the main sources of noise in the use process of the fan are mechanical noise, motor noise, pneumatic noise and the like.

The existing methods for reducing the noise of the fan are numerous, mainly comprise adding a sound eliminating box, adding a silencer and the like, the methods are high in cost and occupy space, and meanwhile, the existing fan is usually directly placed on the ground, so that only one direction can be blown, and the blowing angle of the existing fan is troublesome to adjust.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, a plurality of methods for reducing the noise of a fan exist, such as adding a sound-reducing box, adding a silencer and the like, the methods are high in cost and occupy space, and meanwhile, the existing fan is usually directly placed on the ground, so that only one direction can be blown, and the blowing angle of the fan is required to be adjusted, and the problem that the opening type fan with the sound reduction is troublesome is provided.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides an open-type fan with amortization, includes the connecting block, the both ends of connecting block all are fixed with the backup pad, a lateral wall of backup pad all runs through and the bearing rotates there is the bull stick, be equipped with the fan casing between the backup pad and be located the top of connecting block, the both sides wall center department of fan casing and the one end fixed connection of bull stick, the one end of fan casing is fixed with the annular plate, a lateral wall of fan casing is fixed with the gear shell; the silencing assembly is fixedly arranged on the fan shell; the fan assembly is fixedly arranged in the fan shell; the adjusting component is fixedly arranged inside the gear shell.

Preferably, the bottom of connecting block is fixed with the bottom plate, the bottom four corners of bottom plate all is fixed with universal auto-lock wheel, the top of bottom plate just is close to the bottom fixed connection of both sides and backup pad.

Preferably, the silencing assembly comprises a sound insulation plate, a silencing plate, a first silencing screen plate and a second silencing screen plate, wherein the sound insulation plate is fixedly connected with the silencing plate, and the sound insulation plate is fixedly connected with the inner wall of the fan shell.

Preferably, the first silencing screen plate is fixedly installed inside the annular plate, the second silencing screen plate is fixedly installed at the other end of the fan shell, and a dust screen is fixed inside the annular plate and close to the first silencing screen plate.

Preferably, the fan assembly comprises a cross plate, four ends of the cross plate are fixedly connected with four inner walls of the fan shell, a rotating rod penetrates through the center of the cross plate and rotates through a bearing, a first motor is fixed on one side wall of the cross plate, the output end of the first motor is fixedly connected with one end of the rotating rod, and a fan blade is fixed on the other end of the rotating rod.

Preferably, the adjusting component comprises a large gear and a small gear, the large gear and the small gear are positioned inside the gear shell, the small gear is positioned below the large gear, the large gear is connected with the small gear in a meshed mode, one end of one rotating rod of the large gear is fixedly connected with the small gear, the center of the small gear is penetrated through and fixedly connected with a fixing rod, the fixing rod is rotatably connected with a side wall bearing of the supporting plate, the other end of the fixing rod penetrates through one side wall of the gear shell and is rotatably connected with the bearing of the fixing rod, an arc plate is fixed on one side wall of the gear shell, a second motor is fixed inside the arc plate, and the output end of the second motor is fixedly connected with one end of the fixing rod.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, the sound insulation plates are fixed on the inner wall of the fan shell, the sound insulation plates are fixed on one side wall of the sound insulation plates, the first sound insulation screen plate and the second sound insulation screen plate are respectively arranged at the two ends of the fan shell, so that the effect of silencing noise generated by the fan assembly can be achieved, the effect of reducing the noise transmitted to the outside of the fan during the operation of the fan assembly can be achieved, and meanwhile, the cost is low and the space is not occupied.

2. According to the utility model, the second motor drives the fixed rod to rotate, the fixed rod rotates to drive the pinion, the pinion rotates to drive the bull gear to rotate, and the bull gear rotates to drive the rotating rod to rotate, so that the effect of enabling the rotating rod to rotate to drive the fan shell to rotate can be achieved, and the effect of adjusting the angle of wind blown by the fan assembly inside the fan shell can be achieved.

Drawings

FIG. 1 is a perspective view showing the overall structure of an open-type fan with noise reduction function;

FIG. 2 is a perspective view showing the whole structure of an open fan with noise reduction;

FIG. 3 is a perspective view showing a part of the structure of an open-type fan with noise reduction function according to the present utility model;

fig. 4 is an enlarged view of the area a in fig. 2 of the open fan with noise reduction according to the present utility model.

Legend description: 1. a connecting block; 2. a bottom plate; 3. universal self-locking wheel; 4. a support plate; 5. a rotating rod; 6. a fan housing; 7. a ring plate; 8. a sound attenuation assembly; 81. a sound insulation board; 82. a muffler plate; 83. a first sound-deadening net plate; 84. a second sound-deadening screen plate; 9. a dust screen; 10. a fan assembly; 101. a cross plate; 102. a first motor; 103. a rotating lever; 104. a fan blade; 11. a gear housing; 12. an adjustment assembly; 121. a large gear; 122. a pinion gear; 123. a fixed rod; 124. an arc plate; 125. and a second motor.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

1, as shown in fig. 1-4, the utility model provides an open-type fan with noise reduction, which comprises a connecting block 1, wherein two ends of the connecting block 1 are respectively fixed with a supporting plate 4, one side wall of each supporting plate 4 penetrates through and is provided with a rotating rod 5 in a bearing rotation manner, a fan shell 6 is arranged between the supporting plates 4 and above the connecting block 1, the centers of two side walls of the fan shell 6 are fixedly connected with one end of the rotating rod 5, one end of the fan shell 6 is fixedly provided with a ring plate 7, and one side wall of the fan shell 6 is fixedly provided with a gear shell 11; the silencing assembly 8 is fixedly arranged on the fan shell 6; the fan assembly 10, the fan assembly 10 is fixedly installed inside the fan shell 6; the adjusting component 12, the adjusting component 12 is fixedly arranged inside the gear shell 11.

The whole embodiment 1 has the advantages that the supporting plates 4 are fixed at the two ends of the connecting block 1, the effect of supporting the fan shell 6 can be achieved, the rotating rods 5 are penetrated through one side wall of the supporting plates 4 and rotate in a bearing manner, the fan shell 6 is arranged between the supporting plates 4 and above the connecting block 1, the centers of the two side walls of the fan shell 6 are fixedly connected with one end of the rotating rods 5, the effect of facilitating the rotation of the fan shell 6 can be achieved, the annular plate 7 is fixed at one end of the fan shell 6, the effect of fixing the first silencing screen 83 and the dust screen 9 can be achieved, and the effect of protecting the large gear 121 and the small gear 122 can be achieved through the fact that the gear shell 11 is fixed at one side wall of the fan shell 6; the silencing assembly 8 is fixedly arranged on the fan shell 6 through the silencing assembly 8, so that the effect of silencing noise generated by the fan assembly 10 can be achieved; the fan assembly 10 is fixedly arranged in the fan shell 6 through the fan assembly 10, so that the effect of blowing air can be achieved; and then through the adjusting component 12, the adjusting component 12 is fixedly arranged inside the gear shell 11, so that the effect of adjusting the blowing angle can be achieved.

In the embodiment 2, as shown in fig. 1-4, a bottom plate 2 is fixed at the bottom of the connecting block 1, universal self-locking wheels 3 are fixed at four corners of the bottom plate 2, and the top of the bottom plate 2 is fixedly connected with the bottom of the supporting plate 4 near two sides; the silencing assembly 8 comprises a sound insulation plate 81, a silencing plate 82, a first silencing screen 83 and a second silencing screen 84, wherein the sound insulation plate 81 is fixedly connected with the silencing plate 82, and the sound insulation plate 81 is fixedly connected with the inner wall of the fan shell 6; the first silencing screen 83 is fixedly arranged inside the annular plate 7, the second silencing screen 84 is fixedly arranged at the other end of the fan shell 6, and a dust screen 9 is fixedly arranged inside the annular plate 7 and close to the first silencing screen 83; the fan assembly 10 comprises a cross plate 101, four ends of the cross plate 101 are fixedly connected with four inner walls of the fan shell 6, a rotating rod 103 penetrates through the center of the cross plate 101 and rotates in a bearing manner, a first motor 102 is fixed on one side wall of the cross plate 101, the output end of the first motor 102 is fixedly connected with one end of the rotating rod 103, and a fan blade 104 is fixed on the other end of the rotating rod 103; the adjusting component 12 comprises a large gear 121 and a small gear 122, the large gear 121 and the small gear 122 are positioned inside the gear shell 11, the small gear 122 is positioned below the large gear 121, the large gear 121 is connected with the small gear 122 in a meshed mode, one end of the large gear 121 and one of the rotating rods 5 is fixedly connected, the center of the small gear 122 is penetrated through and fixedly connected with a fixing rod 123, the fixing rod 123 is rotatably connected with a side wall bearing of the supporting plate 4, the other end of the fixing rod 123 penetrates through one side wall of the gear shell 11 and is rotatably connected with the bearing of the fixing rod, an arc plate 124 is fixed on one side wall of the gear shell 11, a second motor 125 is fixed inside the arc plate 124, and the output end of the second motor 125 is fixedly connected with one end of the fixing rod 123.

The whole embodiment 2 achieves the effects that the bottom plate 2 and the universal self-locking wheel 3 can play a role in supporting the connecting block 1 and the supporting plate 4, and meanwhile, the fan can be conveniently moved; the sound-absorbing assembly 8 comprises a sound-absorbing plate 81, a sound-absorbing plate 82, a first sound-absorbing screen 83 and a second sound-absorbing screen 84, wherein the sound-absorbing plate 81 is fixedly connected with the sound-absorbing plate 82, and the sound-absorbing plate 81 is fixedly connected with the inner wall of the fan shell 6, so that the effect of absorbing noise generated by the fan assembly 10 can be achieved; the first silencing screen 83 is fixedly arranged in the annular plate 7, the second silencing screen 84 is fixedly arranged at the other end of the fan shell 6, the effect of silencing the entering and blowing-out wind can be achieved, and the dustproof screen 9 is fixedly arranged in the annular plate 7 and close to the first silencing screen 83, so that the effect of preventing the entering airflow from bringing in dust can be achieved; the first motor 102 drives the rotating rod 103 to rotate through the components in the fan assembly 10, and the rotating rod 103 rotates to drive the fan blades 104 to rotate; the second motor 125 drives the fixed rod 123 to rotate through the part in the adjusting component 12, the fixed rod 123 rotates to drive the pinion 122, the pinion 122 rotates to drive the bull gear 121 to rotate, the bull gear 121 rotates to drive the rotating rod 5 to rotate, and the effect of enabling the rotating rod 5 to rotate to drive the fan shell 6 to rotate can be achieved.

Working principle: through promoting this fan and remove somewhere, this fan is opened at this moment, the acoustic celotex board 81 and the acoustic celotex board 82 that fan shell 6 inner wall was equipped with during opening, can play the noise that produces the fan and carry out the effect that gives sound insulation and amortization, at this moment, rethread first motor 102 drives dwang 103 and rotates, dwang 103 rotates and drives flabellum 104, flabellum 104 drives outside air and goes out from dust screen 9 and first amortization otter board 83 and get into, blow out from second amortization otter board 84 again, can play the effect of carrying out amortization and dustproof to the wind, at this moment, rethread second motor 125 drives dead lever 123 rotation, dead lever 123 rotation drives pinion 122, pinion 122 rotation drives gear wheel 121 rotation, gear wheel 121 rotation drives bull stick 5 rotation, can play and make bull stick 5 rotation drive fan shell 6 pivoted effect, thereby can adjust the effect of air-out angle.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. The utility model provides an open-type fan of amortization in area, includes the connecting block, its characterized in that: the two ends of the connecting block are respectively fixed with a supporting plate, one side wall of each supporting plate penetrates through and is provided with a rotating rod in a bearing rotating manner, a fan shell is arranged between the supporting plates and above the connecting block, the centers of the two side walls of the fan shell are fixedly connected with one end of the rotating rod, one end of the fan shell is fixedly provided with a ring plate, and one side wall of the fan shell is fixedly provided with a gear shell;

the silencing assembly is fixedly arranged on the fan shell;

the fan assembly is fixedly arranged in the fan shell;

the adjusting component is fixedly arranged inside the gear shell.

2. The open-type fan with noise reduction according to claim 1, wherein: the bottom of connecting block is fixed with the bottom plate, the bottom four corners of bottom plate all is fixed with universal auto-lock wheel, the top of bottom plate just is close to the bottom fixed connection of both sides and backup pad.

3. The open-type fan with noise reduction according to claim 1, wherein: the noise reduction assembly comprises a sound insulation plate, a first noise reduction screen plate and a second noise reduction screen plate, wherein the sound insulation plate is fixedly connected with the sound insulation plate, and the sound insulation plate is fixedly connected with the inner wall of the fan shell.

4. The open-type fan with noise reduction according to claim 3, wherein: the first amortization otter board fixed mounting is inside the annular plate, second amortization otter board fixed mounting is at the other end of fan casing, the inside of annular plate just is close to first amortization otter board and is fixed with the dust screen.

5. The open-type fan with noise reduction according to claim 1, wherein: the fan assembly comprises a cross plate, four ends of the cross plate are fixedly connected with four inner walls of the fan shell, a rotating rod penetrates through the center of the cross plate and rotates through a bearing, a first motor is fixed on one side wall of the cross plate, the output end of the first motor is fixedly connected with one end of the rotating rod, and fan blades are fixed on the other end of the rotating rod.

6. The open-type fan with noise reduction according to claim 1, wherein: the adjusting component comprises a large gear and a small gear, the large gear and the small gear are positioned inside a gear shell, the small gear is positioned below the large gear, the large gear is connected with the small gear in a meshed mode, one end of the large gear is fixedly connected with one rotating rod, the center of the small gear is penetrated through and fixedly connected with a fixing rod, the fixing rod is rotationally connected with a side wall bearing of a supporting plate, the other end of the fixing rod penetrates through one side wall of the gear shell and is rotationally connected with the bearing of the fixing rod, an arc plate is fixed on one side wall of the gear shell, a second motor is fixed inside the arc plate, and the output end of the second motor is fixedly connected with one end of the fixing rod.