CN213298396U

CN213298396U - Effective syllable-dividing subway ventilation blower device

Info

Publication number: CN213298396U
Application number: CN202021701389.XU
Authority: CN
Inventors: 张红录
Original assignee: Anhui Huasheng Protection Technology Co ltd
Current assignee: Anhui Huasheng Protection Technology Co ltd
Priority date: 2020-08-16
Filing date: 2020-08-16
Publication date: 2021-05-28
Anticipated expiration: 2030-08-16

Abstract

The utility model relates to a subway ventilation technical field specifically is an effective syllable-dividing subway ventilation blower device, including the ventilation blower body, the ventilation blower body includes the fan shell, fan shell surface symmetry fixed mounting has the fan support, the fan support upper surface is close to fan shell department fixed mounting and has the attenuator, fixed surface installs the motor case under the fan shell, the inside fixed mounting of fan shell has the dead lever, the inside central swing joint of dead lever has the driven shaft, the utility model discloses a structural design, the effectual resonance that produces that has reduced between amount of wind and the motor has reduced the noise of being built-in to form by the motor, reduces the resonance between equipment and the support.

Description

Effective syllable-dividing subway ventilation blower device

Technical Field

The utility model relates to a subway ventilation technical field specifically is an effective syllable-dividing subway ventilation blower device.

Background

The construction of the subway is a main traffic mode in urban development, urban rail transit is a system engineering which benefits the production and life of thousands of households and has wide and profound social influence, most of subway transportation sections are located below the ground, a motor of the traditional ventilation equipment is installed inside a fan shell, in the running process of a fan, the wind generated by the fan and the resistance between the motor can resonate, certain noise is produced, the traditional rigid spring absorbs the vibration, and the fan and the equipment can resonate while running, so that noise is generated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an effective syllable-dividing subway ventilation unit to solve traditional ventilation equipment motor that proposes in the above-mentioned background art and install in the inside of fan shell, at fan moving in-process, the resistance between the wind that the fan produced and the motor can produce resonance, makes certain noise simultaneously, and traditional rigidity spring shock attenuation can produce resonance with equipment in fan moving, thereby the problem of noise of formation.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an effective syllable-dividing subway ventilation blower device, includes the ventilation blower body, the ventilation blower body includes the fan shell, the symmetrical fixed mounting in fan shell surface has the fan support, the fan support upper surface is close to fan shell department fixed mounting and has the attenuator, fixed mounting has the motor case under the fan shell, the inside fixed mounting of fan shell has the dead lever, the inside center swing joint of dead lever has the driven shaft.

Preferably, protective nets are symmetrically arranged on two sides of the fan shell.

Preferably, the upper end of the damper is provided with a piston, the damper is provided with a damping liquid bin matched with the piston, a connecting bin is arranged at the position, far away from the damping liquid bin, of the damper, and connecting holes are symmetrically formed in the damping liquid bin.

Preferably, a motor is installed inside the motor box, a rotating shaft is installed at one end of the motor close to the fan shell, and a driving gear is connected to one end of the rotating shaft.

Preferably, driven gear with the driving gear meshing is installed to driven shaft one end, the spacing ring is installed to driven shaft one side, driven shaft one end fixed mounting has the flabellum.

Preferably, the fixing rod is provided with a steel ball roller matched with the driven shaft.

Compared with the prior art, the beneficial effects of the utility model are that:

1. in this ventilation blower body, the motor drives the axis of rotation and rotates, and the driving gear is with driven gear meshing to drive the driven shaft at the steel ball roller rotation at dead lever center, the motor setting is in fan shell below, the effectual resonance that produces that has reduced between the amount of wind and the motor, has reduced the noise of being built-in formation by the motor simultaneously.

2. In this ventilation blower body, when equipment set up the operation, between fan shell and the fan support, be connected fixedly through the attenuator, the piston is under the pressure effect that receives the fan shell, downstream, and damping liquid enters into through the connecting hole and connects the storehouse in, and equipment is at the in-process of vibrations, and the inside damping liquid of attenuator 130 flows between connecting storehouse and damping liquid storehouse to effectual vibrations that have reduced between the equipment, thereby reduce the resonance between equipment and the support, noise abatement.

Drawings

Fig. 1 is a schematic view of the overall assembly structure of the present invention;

FIG. 2 is a schematic view of the overall internal structure of the present invention;

FIG. 3 is a schematic structural view of the driven shaft of the present invention;

fig. 4 is a schematic view of the structure of the fixing rod of the present invention;

FIG. 5 is a schematic sectional view of the damper of the present invention;

fig. 6 is a schematic view of the partial cross-sectional structure of the present invention.

In the figure:

100. a ventilator body;

110. a fan housing; 111. a protective net;

120. a fan bracket;

130. a damper; 131. a piston; 132. a damping fluid chamber; 133. connecting holes; 134. a connecting bin;

140. a motor case; 141. a motor; 142. a rotating shaft; 143. a driving gear;

150. a driven shaft; 151. a driven gear; 152. a limiting ring; 153. a fan blade;

200. fixing the rod; 210. a steel ball roller.

Detailed Description

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

In the description of the present invention, it should be understood that the terms "center", "center line", "longitudinal", "lateral", "length", "width", "thickness", "depth", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be taken as limiting the invention, in the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

Example 1

A subway ventilator device with effective sound insulation, in order to solve the problem that the conventional ventilator motor is installed inside the fan housing, the resistance between the wind generated by the fan and the motor can generate resonance and generate certain noise during the operation of the fan, the conventional rigid spring absorbs the vibration, and the fan can generate resonance with the device during the operation of the fan, thereby generating noise, as a preferred embodiment, as shown in FIG. 1, FIG. 2, FIG. 3, FIG. 4, FIG. 5 and FIG. 6, the ventilator comprises a ventilator body 100, the ventilator body 100 comprises a fan housing 110, a fan bracket 120 is symmetrically and fixedly installed on the outer surface of the fan housing 110 to fix the function of the fan, a damper 130 is fixedly installed on the upper surface of the fan bracket 120 near the fan housing 110 to reduce the resonance between the fan and the bracket, a motor box 140 is fixedly installed on the lower surface of the fan housing 110, a fixing rod 200 is fixedly installed inside the fan housing 110, the driven shaft 150 is fixed, and the driven shaft 150 is movably connected to the center inside the fixing rod 200.

In this embodiment, protective nets 111 are symmetrically installed on two sides of the fan casing 110 to play a role in protection and prevent flying birds from flying in, a piston 131 is arranged at the upper end of the damper 130, the piston 131 is sealed with the damper 130, the damper 130 is provided with a damping liquid bin 132 matched with the piston, sufficient damping liquid is filled in the damping liquid bin 132, a connecting bin 134 is arranged at a position of the damper 130 away from the damping liquid bin 132, the damping liquid bin 132 is symmetrically provided with connecting holes 133, and the interior of the damper 130 is in a sealed state.

Further, motor 141 is installed to motor case 140 internally mounted, and motor 141 one end is close to fan shell 110 and installs axis of rotation 142, provides the power effect, and axis of rotation 142 one end is connected with driving gear 143, and driven gear 151 of driving gear 143 meshing is installed to driven shaft 150 one end, and spacing ring 152 is installed to driven shaft one side, plays the restriction displacement, prevents that driven shaft 150 from rocking from the front and back, and driven shaft 150 one end fixed mounting has flabellum 153, plays ventilation's effect.

In addition, the fixing rod 200 is provided with a ball roller 210 adapted to the driven shaft 150, and the limiting rings 152 are located at both sides of the ball roller 210.

The utility model discloses when using, carry out fixed mounting with ventilation blower body 100 through fan support 120 and top surface, switch on power supply this moment, and make its motor 141 circular telegram operation, motor 141 drives axis of rotation 142 and rotates, driving gear 143 and driven gear 151 meshing, thereby drive driven shaft 150 at the central steel ball roller bearing 210 internal rotation of dead lever 200, simultaneously under the effect of spacing ring 152, flabellum 153 begins to operate, motor 141 sets up in fan shell 110 below, the effectual resonance that produces that has reduced between the amount of wind and the motor 141, the noise of the built-in formation of motor 141 has been reduced simultaneously.

When the equipment is opened and operated, the fan shell 110 and the fan support 120 are fixedly connected through the damper 130, the piston 131 moves downwards under the action of pressure of the fan shell 110, in the moving process, the internal pressure of damping liquid in the damping liquid bin 132 is increased, the damping liquid enters the connecting bin 134 through the connecting hole 133, the upper portion in the connecting bin 134 is in a hydraulic air state at the moment, and in the vibrating process of the equipment, the damping liquid in the damper 130 flows between the connecting bin 134 and the damping liquid bin 132, so that vibration between the equipment is effectively reduced, resonance between the equipment and the support is reduced, and noise is reduced.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. An effective sound-proof subway ventilator device, includes ventilator body (100), its characterized in that: the ventilator body (100) comprises a fan shell (110), a fan support (120) is symmetrically and fixedly mounted on the outer surface of the fan shell (110), a damper (130) is fixedly mounted on the upper surface of the fan support (120) close to the fan shell (110), a motor box (140) is fixedly mounted on the lower surface of the fan shell (110), a fixing rod (200) is fixedly mounted inside the fan shell (110), and a driven shaft (150) is movably connected to the center inside the fixing rod (200).

2. An effective acoustic insulation subway ventilator assembly as claimed in claim 1, wherein: protective nets (111) are symmetrically arranged on two sides of the fan shell (110).

3. An effective acoustic insulation subway ventilator assembly as claimed in claim 1, wherein: the damping device is characterized in that a piston (131) is arranged at the upper end of the damping device (130), a damping liquid bin (132) matched with the piston (131) is arranged on the damping device (130), a connecting bin (134) is arranged at a position, far away from the damping liquid bin (132), of the damping device (130), and connecting holes (133) are symmetrically formed in the damping liquid bin (132).

4. An effective acoustic insulation subway ventilator assembly as claimed in claim 1, wherein: the motor box (140) internally mounted has motor (141), pivot (142) are installed to motor (141) one end near fan shell (110), pivot (142) one end is connected with driving gear (143).

5. An effective acoustic insulation subway ventilator assembly as claimed in claim 1, wherein: driven gear (151) with driving gear (143) meshing is installed to driven shaft (150) one end, spacing ring (152) are installed to driven shaft (150) one side, driven shaft (150) one end fixed mounting has flabellum (153).

6. An effective acoustic insulation subway ventilator assembly as claimed in claim 1, wherein: the fixing rod (200) is provided with a steel ball roller (210) matched with the driven shaft (150).