CN213039503U

CN213039503U - Fan

Info

Publication number: CN213039503U
Application number: CN202021647478.0U
Authority: CN
Inventors: 张宝彪
Original assignee: Zhanglun Environmental Protection Technology Shanghai Co ltd
Current assignee: Shanghai Shujia Environmental Protection Engineering Co ltd
Priority date: 2020-08-10
Filing date: 2020-08-10
Publication date: 2021-04-23
Anticipated expiration: 2030-08-10

Abstract

The utility model discloses a fan, which comprises an underframe, wherein the lower end of the underframe is fixedly connected with a shock pad, the upper end of the underframe is welded with a fixed support, one side of the fixed support is detachably connected with a volute, one side of the volute is detachably connected with a motor through a bolt, a motor output shaft penetrates into the volute, an impeller is arranged in the volute and can be detachably connected with the outer side of the motor output shaft, an air inlet pipe is welded on one side of the volute and is communicated with the volute, an air outlet pipe is welded on the upper end face of the volute and is communicated with the volute, one end of the air inlet pipe is provided with a filter screen, the utility model discloses a shock pad, which enables the fan to have a certain buffering and shock absorption effect when being installed and fixed, and enables the underframe to be fixed on a mounting frame or the ground, thereby effectively, the fan is more stably installed, and the running stability of the fan is improved.

Description

Fan

Technical Field

The utility model relates to a fan specifically is a fan.

Background

The blower is a Chinese habit abbreviation for gas compression and gas transmission machinery, and generally, the blower comprises a ventilator, a blower and a wind driven generator, the gas compression and gas transmission machinery is a machinery for converting rotating mechanical energy into gas pressure energy and kinetic energy and transmitting gas out, and main structural components of the blower are an impeller, a shell, an air inlet, a support, a motor, a belt pulley, a coupling, a silencer, a transmission part and the like. The unpowered ventilator utilizes natural wind power and air heat convection caused by indoor and outdoor temperature difference to push a turbine to rotate so as to discharge indoor stale hot air by utilizing centrifugal force and negative pressure effect, the fan is related to the transmission and distribution energy consumption of a system, and is a very critical part for building energy conservation.

However, when the existing fan is installed and put into use, the fixing frame in the fan is directly fastened with the mounting frame through the bolts, the fan is easy to resonate in the operation process due to the installation design and does not have the effect of buffering and damping, and hard particles are easily sucked into the fan to damage the impeller of the fan due to the fact that the suction force of the fan is very large, so that the service life of the fan is shortened. To this end, we propose a fan.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fan to propose current fan in solving above-mentioned background art when the installation drops into to use, all be with the mount in the fan direct with the mounting bracket through bolt-up, and this kind of installation design makes the fan take place resonance phenomenon easily and do not possess the absorbing effect of buffering in the operation process, and because the suction of fan is very big, cause the damage to the impeller of fan in sucking the fan with hard particulate matter easily, thereby the problem of the life of fan has been reduced.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fan, includes the chassis, chassis lower extreme fixedly connected with shock pad, the welding of chassis upper end has the fixed bolster, fixed bolster one side can be dismantled and be connected with the spiral case, spiral case one side can be dismantled through the bolt and be connected with the motor, motor output shaft runs through to inside the spiral case, the inside impeller that is provided with of spiral case, the impeller can be dismantled and connect in the motor output shaft outside, the welding of spiral case one side has the air-supply line, air-supply line and spiral case intercommunication, the welding of spiral case up end has a tuber pipe, go out tuber pipe and spiral case intercommunication, air-supply line one end is provided with the filter screen, filter screen outside fixedly connected with fixed frame, the second bolt hole has all been seted up to fixed frame surface four corners.

Preferably, the four corners of the surface of the bottom frame are provided with first bolt holes, and the outer side of the bottom frame is coated with an anticorrosive coating.

Preferably, the other side of the volute is detachably connected with a shell cover through a bolt.

Preferably, the lower end of the volute is supported on the upper end surface of the base frame.

Preferably, the filter screen is a steel wire filter screen.

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

the utility model has the advantages that the damping pad is arranged, so that the fan has a certain damping effect when being installed and fixed, and the chassis is effectively prevented from generating resonance phenomenon with the installation frame or the ground when being fixed on the installation frame or the ground, so that the fan is more stably installed, and the running stability of the fan is improved;

the utility model discloses an one end demountable installation at the air-supply line has the steel wire filter screen, and the impeller that prevents that the fan that the steel wire filter screen can be fine in the operation in-process suction particulate matter causes the fan causes damages to make its impeller to play very good guard action in the fan, prolonged the life of fan.

Drawings

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

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

FIG. 3 is a schematic view of the filter screen of the present invention;

fig. 4 is the schematic view of the sectional structure of the volute and the motor.

In the figure: 1. a chassis; 2. a first bolt hole; 3. fixing a bracket; 4. a filter screen; 5. an air inlet pipe; 6. an air outlet pipe; 7. a volute; 8. a shock pad; 9. a second bolt hole; 10. a fixed frame; 11. a motor; 12. a shell cover; 13. an impeller.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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 meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-4, the present invention provides a technical solution: a fan comprises an underframe 1, wherein four corners of the surface of the underframe 1 are provided with first bolt holes 2, an anticorrosive coating is sprayed on the outer side of the underframe 1, bolts penetrate into the first bolt holes 2 to fix the underframe 1, the anticorrosive coating improves the anticorrosive effect of the underframe 1 and prolongs the service life of the underframe, the lower end of the underframe 1 is fixedly connected with a shock pad 8, the upper end of the underframe 1 is welded with a fixed support 3, one side of the fixed support 3 is detachably connected with a volute 7, the lower end of the volute 7 is supported on the upper end surface of the underframe 1, so that the volute 7 is more stably installed, one side of the volute 7 is detachably connected with a motor 11 through bolts, and an output shaft of the motor 11 penetrates into;

inside impeller 13 that is provided with of

spiral case

7, 7 opposite sides of spiral case can be dismantled through the bolt and be connected with cap 12, open cap 12 and be convenient for install impeller 13 on motor 11 output shaft, impeller 13 can be dismantled and connect in the motor 11 output shaft outside, 7 one side welding of spiral case has air-supply line 5, air-

supply line

5 and 7 intercommunications of spiral case, 7 up end welding of spiral case has a tuber pipe 6, go out

tuber pipe

6 and 7 intercommunications of spiral case, 5 one end of air-supply line is provided with filter screen 4, filter screen 4 is the steel wire filter screen, the hardness of filter screen 4 has been improved, avoid hard particulate matter to cause filter screen 4 to damage, 4 outside fixedly connected with fixed frame 10 of filter screen, fixed frame 10 surperficial four corners position has all.

Specifically, when the fan is used, the shock absorption pad 8 enables the fan to have a certain buffering and shock absorption effect when the fan is installed and fixed, and when the underframe 1 is fixed on the installation frame or the ground, the underframe 1 and the installation frame or the ground are effectively prevented from resonating, so that the fan is installed more stably, and the running stability of the fan is improved; the steel wire filter screen 4 can well prevent the fan from sucking particles in the operation process to cause damage to the impeller 13 in the fan, so that the impeller 13 in the fan is well protected, and the service life of the fan is prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A fan, includes chassis (1), its characterized in that: the shock absorption device is characterized in that a shock absorption pad (8) is fixedly connected to the lower end of the chassis (1), a fixed support (3) is welded to the upper end of the chassis (1), a volute (7) is detachably connected to one side of the fixed support (3), a motor (11) is detachably connected to one side of the volute (7) through a bolt, an output shaft of the motor (11) penetrates into the volute (7), an impeller (13) is arranged inside the volute (7), the impeller (13) is detachably connected to the outer side of the output shaft of the motor (11), an air inlet pipe (5) is welded to one side of the volute (7), the air inlet pipe (5) is communicated with the volute (7), an air outlet pipe (6) is welded to the upper end face of the volute (7), the air outlet pipe (6) is communicated with the volute (7), a filter screen (4) is arranged at one end of the air, second bolt holes (9) are formed in four corners of the surface of the fixed frame (10), and the fixed frame (10) is detachably connected with the air inlet pipe (5) through bolts.

2. The fan of claim 1, wherein: the anti-corrosion coating is sprayed on the outer sides of the base frame (1) and the first bolt holes (2) are formed in the four corners of the surface of the base frame (1).

3. The fan of claim 1, wherein: the other side of the volute (7) is detachably connected with a shell cover (12) through a bolt.

4. The fan of claim 1, wherein: the lower end of the volute (7) is supported on the upper end surface of the bottom frame (1).

5. The fan of claim 1, wherein: the filter screen (4) is a steel wire filter screen.