CN211144908U

CN211144908U - Internal fan

Info

Publication number: CN211144908U
Application number: CN201920810431.2U
Authority: CN
Inventors: 杨曙青
Original assignee: Jiangxi Hemisphere Housewares Industrial Co ltd
Current assignee: Jiangxi Hemisphere Housewares Industrial Co ltd
Priority date: 2019-05-31
Filing date: 2019-05-31
Publication date: 2020-07-31
Anticipated expiration: 2029-05-31

Abstract

The utility model relates to the technical field of machinery, in particular to an internal fan, which comprises a case, wherein the top surface of the case is fixedly connected with a motor through bolts, the top surface of the motor is tightly welded with an inlet pipe near the right side, the bottom surface of the motor is tightly welded with an outlet pipe near the right side, and the case is of a hollow structure; this interior formula fan is through the quick-witted case that is equipped with, import pipe and outlet pipe, be convenient for install this fan on the pipeline through first flange and second flange, this mounting means makes the impeller of fan can be when the work in the pipeline, the motor can expose externally and carry out effectual heat dissipation, the life of motor has been improved, the mode through flange joint is convenient for clean and maintain this fan simultaneously, the situation that traditional fan is difficult to clearance and maintenance has been avoided, the problem of the fan of current house use maintenance and clearance of not being convenient for has been solved.

Description

Internal fan

Technical Field

The utility model relates to the technical field of machinery, specifically be an interior formula fan.

Background

The fan relies on the mechanical energy of input, improves the machinery of gas pressure and discharge gas, it is a driven fluid machinery, the application of current fan is very extensive, like mill, workshop and family etc, the fan that the family used is mostly axial fan, axial fan generally installs inside the pipeline, however, the fan needs to shut down to repair after using for a long time, install inside the pipeline because of the fan is many simultaneously, and then be not convenient for clear up and maintain it, in view of this, we provide an interior formula fan.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an internal form fan to solve the problem of the not convenient to maintain of fan that the current house that proposes uses among the above-mentioned background art and clear up.

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

an internal fan comprises a case, wherein a motor is fixedly connected to the top surface of the case close to the left side through bolts, an inlet pipe is tightly welded to the top surface of the motor close to the right side, and an outlet pipe is tightly welded to the bottom surface of the motor close to the right side; the machine case is of a hollow structure, two gears which are parallel to each other are arranged in the machine case, an output shaft of the motor penetrates through the outer wall of the machine case and is coaxially and tightly welded with the gear on the left side, a connecting rod is coaxially and tightly welded on the gear on the left side, a transmission rod is coaxially and tightly welded on the gear on the right side, and a chain is arranged between the two gears; a plurality of support plates are closely welded on the circumferential inner wall of the outlet pipe close to the top end at equal intervals in an annular mode, a support block is closely welded at one end of each support plate, the transmission rod penetrates through the support blocks and is rotatably connected with the support blocks through bearings, a shaft seat is coaxially and closely welded at the bottom end of the transmission rod, and a plurality of impellers are closely welded on the circumferential outer wall of the shaft seat at equal intervals in an annular mode; an electric heating tube is further embedded in the circumferential inner wall of the outlet pipe, and one end of the electric heating tube penetrates through the outer wall of the outlet pipe.

Preferably, the inlet pipe and the outlet pipe are both communicated with the inside of the cabinet.

Preferably, the top end of the inlet pipe is coaxially and tightly welded with a first flange, and the bottom end of the outlet pipe is coaxially and tightly welded with a second flange.

Preferably, a blocking net is embedded in the inlet pipe.

Preferably, the electric heating tube has a spiral shape as a whole.

Preferably, the cabinet, the inlet pipe and the outlet pipe are made of stainless steel.

Preferably, one end of the electric heating tube is electrically connected with a power supply through an electric wire.

Compared with the prior art, the beneficial effects of the utility model are that: this interior formula fan is through the quick-witted case that is equipped with, import pipe and outlet pipe, be convenient for install this fan on the pipeline through first flange and second flange, this mounting means makes the impeller of fan can be when the work in the pipeline, the motor can expose externally and carry out effectual heat dissipation, the life of motor has been improved, the mode through flange joint is convenient for clean and maintain this fan simultaneously, the situation that traditional fan is difficult to clearance and maintenance has been avoided, the problem of the fan of current house use maintenance and clearance of not being convenient for has been solved.

Drawings

Fig. 1 is one of the overall structural diagrams of the present invention;

fig. 2 is a second schematic view of the overall structure of the present invention;

fig. 3 is a third schematic view of the overall structure of the present invention;

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

fig. 5 is an exploded view of a part of the structure of the present invention.

In the figure: 1. a chassis; 11. a gear; 111. a connecting rod; 112. a transmission rod; 12. a chain; 13. a support block; 14. a support plate; 15. a shaft seat; 16. an impeller; 2. a motor; 3. an inlet pipe; 31. a first flange; 32. blocking the net; 4. an outlet pipe; 41. a second flange; 5. an electric heating tube.

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 is to be understood that the terms "central", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom

The references to "inner", "outer", "clockwise", "counterclockwise", etc., are made to refer to the orientation or positional relationship as shown in the drawings for ease 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 are not to be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Example 1

An internal fan comprises a case 1, wherein a position, close to the left side, of the top surface of the case 1 is fixedly connected with a motor 2 through bolts, an inlet pipe 3 is tightly welded at a position, close to the right side, of the top surface of the motor 2, and an outlet pipe 4 is tightly welded at a position, close to the right side, of the bottom surface of the motor 2; the machine case 1 is of a hollow structure, two gears 11 which are parallel to each other are arranged in the machine case 1, an output shaft of the motor 2 penetrates through the outer wall of the machine case 1 and is coaxially and tightly welded with the gear 11 on the left side, a connecting rod 111 is coaxially and tightly welded on the gear 11 on the left side, a transmission rod 112 is coaxially and tightly welded on the gear 11 on the right side, and a chain 12 is arranged between the two gears 11; a plurality of support plates 14 are closely welded on the circumferential inner wall of the outlet pipe 4 close to the top end at equal intervals in an annular manner, a support block 13 is closely welded at one end of each support plate 14, a transmission rod 112 penetrates through the support block 13 and is rotatably connected with the support block 13 through a bearing, a shaft seat 15 is coaxially and closely welded at the bottom end of the transmission rod 112, and a plurality of impellers 16 are closely welded on the circumferential outer wall of the shaft seat 15 at equal intervals in an annular manner; an electric heating tube 5 is also embedded on the circumferential inner wall of the outlet pipe 4, and one end of the electric heating tube 5 penetrates through the outer wall of the outlet pipe 4.

Specifically, the inlet pipe 3 and the outlet pipe 4 are both communicated with the inside of the cabinet 1, which facilitates air to enter from the inlet pipe 3 and to be discharged from the outlet pipe 4 after passing through the cabinet 1.

Specifically, the top end of the inlet pipe 3 is coaxially and tightly welded with the first flange 31, the bottom end of the outlet pipe 4 is coaxially and tightly welded with the second flange 41, and the first flange 31 and the second flange 41 are convenient for the inlet pipe 3 and the outlet pipe 4 to be respectively connected with a pipeline, so that the installation is convenient.

Specifically, the inlet pipe 3 is embedded with a blocking net 32, and the blocking net 32 is favorable for preventing sundries and the like from entering the case 1, so that the parts in the case 1 are prevented from being damaged.

Specifically, the electric heating tube 5 is spiral in overall shape, when wind force gushes out from the outlet tube 4, hot air around the electric heating tube 5 is brought out, and therefore the electric heating tube is convenient for users to use in winter and other cold weather.

Further, machine case 1, import pipe 3 and outlet pipe 4 adopt stainless steel to make, and the smooth easy cleanness in stainless steel surface and corrosion resistance are good, use this material be convenient for clean this fan on the one hand, on the other hand has improved the life of this fan.

In addition, one end of the electric heating tube 5 is electrically connected with a power supply through an electric wire, and the electric heating tube 5 is convenient for heating the air in the outlet pipe 4, so that the air is taken away under the action of wind power and is used indoors in winter.

It should be noted that, in this embodiment, the motor 2 may adopt a single-phase asynchronous speed reduction motor with a model of 5IK120RGU-CF/5GU30K, which is manufactured by eastern guan major motors limited company, and its supporting circuit and power module may also be provided by the manufacturer.

Before the internal fan of the embodiment is used, a user firstly installs the inlet pipe 3 on the pipeline through the first flange 31, and simultaneously installs the outlet pipe 4 on the pipeline through the second flange 41;

when the internal fan is used, a user connects the power supplies of the motor 2 and the electric heating tube 5, the output shaft of the motor 2 rotates to drive the gear 11 on the left side to rotate, the gear 11 on the right side synchronously rotates under the action of the chain 12, meanwhile, the transmission rod 112 on the gear 11 rotates and drives the shaft seat 15 to rotate, the impeller 16 synchronously rotates along with the rotation, when the impeller 16 rotates, air enters from the inlet pipe 3, the baffle net 32 intercepts large impurities in the air, meanwhile, the impeller 16 rotates to generate wind power and enters the outlet pipe 4, when the electric heating tube 5 generates heat, the air in the outlet pipe 4 is heated, and at the moment, under the action of the wind power, the hot air is taken away into the pipeline.

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. The utility model provides an internal fan, includes quick-witted case (1), its characterized in that: a motor (2) is fixedly connected to the top surface of the case (1) close to the left side through bolts, an inlet pipe (3) is tightly welded to the top surface of the motor (2) close to the right side, and an outlet pipe (4) is tightly welded to the bottom surface of the motor (2) close to the right side; the machine box (1) is of a hollow structure, two gears (11) which are parallel to each other are arranged in the machine box (1), an output shaft of the motor (2) penetrates through the outer wall of the machine box (1) and is coaxially and tightly welded with the gear (11) on the left side, a connecting rod (111) is coaxially and tightly welded on the gear (11) on the left side, a transmission rod (112) is coaxially and tightly welded on the gear (11) on the right side, and a chain (12) is arranged between the two gears (11); a plurality of support plates (14) are closely welded on the circumferential inner wall of the outlet pipe (4) close to the top end at equal intervals in an annular mode, a support block (13) is closely welded at one end of each support plate (14), the transmission rod (112) penetrates through the support block (13) and is rotatably connected with the support block (13) through a bearing, a shaft seat (15) is coaxially and closely welded at the bottom end of the transmission rod (112), and a plurality of impellers (16) are closely welded on the circumferential outer wall of the shaft seat (15) at equal intervals in an annular mode; an electric heating tube (5) is further embedded in the circumferential inner wall of the outlet tube (4), and one end of the electric heating tube (5) penetrates through the outer wall of the outlet tube (4).

2. The internal fan as claimed in claim 1, wherein: the inlet pipe (3) and the outlet pipe (4) are communicated with the interior of the case (1).

3. The internal fan as claimed in claim 1, wherein: the top end of the inlet pipe (3) is coaxially and tightly welded with a first flange (31), and the bottom end of the outlet pipe (4) is coaxially and tightly welded with a second flange (41).

4. The internal fan as claimed in claim 1, wherein: a blocking net (32) is embedded in the inlet pipe (3).

5. The internal fan as claimed in claim 1, wherein: the electric heating pipe (5) is spiral in overall shape.

6. The internal fan as claimed in claim 1, wherein: the case (1), the inlet pipe (3) and the outlet pipe (4) are made of stainless steel.

7. The internal fan as claimed in claim 1, wherein: one end of the electric heating tube (5) is electrically connected with a power supply through an electric wire.