CN111550451A

CN111550451A - Large-scale fan convenient to clearance

Info

Publication number: CN111550451A
Application number: CN202010347126.1A
Authority: CN
Inventors: 张传义; 张传彬
Original assignee: Shandong Zhongwei Air Conditioning Equipment Group Hvac Co ltd
Current assignee: Shandong Zhongwei Air Conditioning Equipment Group Hvac Co ltd
Priority date: 2020-04-21
Filing date: 2020-04-21
Publication date: 2020-08-18
Anticipated expiration: 2040-04-21
Also published as: CN111550451B

Abstract

The invention provides a large fan convenient to clean, which belongs to the technical field of fans and comprises a shell and an impeller assembly arranged in the shell, wherein a first driving shaft and a second driving shaft are also arranged in the shell; the impeller assembly is fixedly mounted at one end of the second drive shaft, which is far away from the first drive shaft. In the embodiment of the invention, when the fan impeller assembly is cleaned, the impeller assembly and the second driving shaft slide along the direction of the extension cylinder, so that the impeller assembly extends out of the shell, the problem that the traditional fan impeller assembly is inconvenient to clean is solved, and the cleaning safety is improved.

Description

Large-scale fan convenient to clearance

Technical Field

The invention belongs to the technical field of fans, and particularly relates to a large fan convenient to clean.

Background

The fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. The blower is a Chinese habit abbreviation for gas compression and gas conveying machinery, and the blower generally comprises a ventilator, a blower and a wind driven generator. Fans are widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, and for ventilation and draught of boilers and industrial furnaces and kilns; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grain, wind tunnel wind source and air cushion boat inflating and propelling.

Market or mill use fan are comparatively large-scale fan mostly, and the large-scale fan that nevertheless has now is after long-term operation, and its impeller subassembly is infected with the air dust easily, and the inconvenient clearance of these air dusts needs the manual work in fan shell inside operation usually in addition, and the clearance is got up very inconveniently, and the field of vision is limited, and the security during clearance can't be guaranteed.

Disclosure of Invention

Aiming at the defects of the prior art, the technical problem to be solved by the embodiment of the invention is to provide a large fan which is convenient to clean.

In order to solve the technical problems, the invention provides the following technical scheme:

a large fan convenient to clean comprises a shell and an impeller assembly arranged in the shell, wherein a first driving shaft and a second driving shaft are further arranged in the shell, one end of the first driving shaft is connected with a driving device, the other end of the first driving shaft is fixedly connected with an extension cylinder, the extension cylinder extends into the second driving shaft and is in sliding fit with the second driving shaft, a limiting plate is arranged outside the extension cylinder, and a clamping groove matched with the limiting plate is formed in the inner wall of the second driving shaft; the impeller assembly is fixedly mounted at one end of the second drive shaft, which is far away from the first drive shaft.

As a further improvement of the invention: four groups of limiting plates are distributed on the outer wall of the extension cylinder in an array mode.

As a further improvement of the invention: extend a section of thick bamboo inside and be provided with the check lock, check lock one end extends to and extends a section of thick bamboo outside, check lock other end fixedly connected with dysmorphism piece, dysmorphism piece side is provided with the inserted bar with the contact of dysmorphism piece, the one end that the dysmorphism piece was kept away from to the inserted bar is passed and is extended a section of thick bamboo and stretch into second drive shaft inner wall.

As a further improvement of the invention: the fixed plate is fixedly connected to the inserted bar, and the fixed plate is connected with the inner wall of the extension cylinder through a plurality of springs.

As a still further improvement of the invention: the special-shaped block is of a conical structure.

As a still further improvement of the invention: the extension barrel is characterized in that a locking block is fixedly arranged inside the extension barrel, a threaded section is arranged on the locking rod, and a threaded hole matched with the threaded section is formed in the middle of the locking block.

As a still further improvement of the invention: the locking rod is located the outside one end fixedly connected with knob of an extension section of thick bamboo.

Compared with the prior art, the invention has the beneficial effects that:

in the embodiment of the invention, when the fan impeller assembly is cleaned, the impeller assembly and the second driving shaft slide along the direction of the extension cylinder, so that the impeller assembly extends out of the shell, the problem that the traditional fan impeller assembly is inconvenient to clean is solved, the cleaning safety is improved, and after the cleaning is finished, the torque from the first driving shaft can be stably transmitted to the second driving shaft through the arrangement of the limiting plate and the clamping groove, so that the stable operation of the impeller assembly is ensured.

Drawings

FIG. 1 is a schematic structural view of a large fan for easy cleaning;

FIG. 2 is an enlarged view of the section A of a large fan convenient for cleaning;

FIG. 3 is a schematic view of the locking rod and the locking block of a large blower convenient for cleaning;

in the figure: the device comprises a shell 1, a first driving shaft 2, an extension barrel 3, an impeller assembly 4, a limiting plate 5, a clamping groove 6, a second driving shaft 7, an insertion rod 8, a spring 9, a fixing plate 10, a locking rod 11, a locking block 12, a threaded section 13, a knob 14, a special-shaped block 15 and a threaded hole 16.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Reference will now be made in detail to embodiments of the present patent, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present patent and are not to be construed as limiting the present patent.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent may be understood by those of ordinary skill in the art as appropriate.

Example 1

Referring to fig. 1-3, the embodiment provides a large fan convenient to clean, which includes a housing 1 and an impeller assembly 4 disposed inside the housing 1, the housing 1 is further provided with a first driving shaft 2 and a second driving shaft 7, one end of the first driving shaft 2 is connected to a driving device, the other end of the first driving shaft 2 is fixedly connected to an extension cylinder 3, the extension cylinder 3 extends into the second driving shaft 7 and is in sliding fit with the second driving shaft 7, a limiting plate 5 is disposed outside the extension cylinder 3, and a slot 6 matched with the limiting plate 5 is disposed on an inner wall of the second driving shaft 7; the impeller assembly 4 is fixedly mounted on the end of the second drive shaft 7 remote from the first drive shaft 2.

When the fan works, the first driving shaft 2 is driven to rotate through the driving device, the second driving shaft 7 is driven to rotate by the first driving shaft 2 through the matching of the limiting plate 5 and the clamping groove 6, and therefore the impeller assembly 4 is driven to rotate, and a wind source is manufactured; when the impeller assembly 4 needs to be cleaned, the impeller assembly 4 and the second driving shaft 7 can be pulled along the direction of the extension cylinder 3, so that the impeller assembly 4 leaks from the end part of the shell 1, and the cleaning of the impeller assembly 4 is realized.

Four groups of limiting plates 5 are distributed on the outer wall of the extension cylinder 3 in an array manner.

Extend a 3 inside lock lever 11 that is provided with of section of thick bamboo, lock lever 11 one end extends to extending 3 outside and fixed connection knob 14 of a section of thick bamboo, and 11 other end fixedly connected with dysmorphism pieces 15 of lock lever, dysmorphism piece 15 side is provided with the inserted bar 8 with the contact of dysmorphism piece 15, the one end that the inserted bar 8 kept away from dysmorphism piece 15 is passed and is extended a 3 and stretch into second drive shaft 7 inner wall.

Through to extending a 3 inside propulsion check lock lever 11, utilize dysmorphism piece 15 jack-up inserted bar 8 for 8 tip of inserted bar stretch into 7 inner walls of second drive shaft, realize second drive shaft 7 spacing with first drive shaft 2, when guaranteeing that drive arrangement drives first drive shaft 2 and second drive shaft 7 synchronous rotation, second drive shaft 7 can not follow and extend a 3 and carry out the horizontal slip, has improved the stability of operation.

The shaped block 15 is of a conical structure.

The extension barrel 3 is further fixedly provided with a locking block 12, the locking rod 11 is provided with a threaded section 13, and the middle part of the locking block 12 is provided with a threaded hole 16 matched with the threaded section 13.

The locking rod 11 is screwed into the extension cylinder 3 by rotating the knob 14, the inserting rod 8 is jacked up by the special-shaped block 15, the end part of the inserting rod 8 extends into the inner wall of the second driving shaft 7, and the limit of the second driving shaft 7 and the first driving shaft 2 is realized; when the impeller assembly 4 needs to be cleaned, the knob 14 can be rotated reversely, the locking rod 11 retracts, the inserting rod 8 retracts into the extension barrel 3, and at the moment, the impeller assembly 4 and the second driving shaft 7 can be moved along the direction of the extension barrel 3.

The working principle of the embodiment is as follows: when the fan works, the first driving shaft 2 is driven to rotate through the driving device, the second driving shaft 7 is driven to rotate by the first driving shaft 2 through the matching of the limiting plate 5 and the clamping groove 6, and therefore the impeller assembly 4 is driven to rotate, and a wind source is manufactured; when the impeller assembly 4 needs to be cleaned, the impeller assembly 4 and the second driving shaft 7 can be pulled along the direction of the extension cylinder 3, so that the impeller assembly 4 leaks from the end part of the shell 1, and the cleaning of the impeller assembly 4 is realized.

Example 2

Referring to fig. 2, in order to ensure that the insertion rod 8 is disengaged from the outer ring of the second driving shaft 7 and prevent the insertion rod 8 from interfering with the movement of the second driving shaft 7 when the second driving shaft 7 and the impeller assembly 4 need to slide to the outside of the housing 1, in this embodiment, compared with embodiment 1, a fixing plate 10 is fixedly connected to the insertion rod 8, and the fixing plate 10 is connected to the inner wall of the extension cylinder 3 through a plurality of springs 9.

When the shaped block 15 is retracted with the locking rod 11, the plunger 8 is automatically retracted inside the extension cylinder 3 by the spring 9, thereby facilitating the movement of the second drive shaft 7 and thus the impeller assembly 4.

In the embodiment of the invention, when the fan impeller assembly is cleaned, the impeller assembly 4 and the second driving shaft 7 slide along the direction of the extension cylinder 3, so that the impeller assembly 4 extends out of the shell 1, the problem that the traditional fan impeller assembly is inconvenient to clean is solved, the cleaning safety is improved, and after the cleaning is finished, the torque from the first driving shaft 2 can be stably transmitted to the second driving shaft 7 through the arrangement of the limiting plate 5 and the clamping groove 6, so that the stable operation of the impeller assembly 4 is ensured.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. A large fan convenient to clean comprises a shell (1) and an impeller assembly (4) arranged inside the shell (1), and is characterized in that a first driving shaft (2) and a second driving shaft (7) are further arranged inside the shell (1), one end of the first driving shaft (2) is connected with a driving device, the other end of the first driving shaft (2) is fixedly connected with an extension cylinder (3), the extension cylinder (3) extends into the second driving shaft (7) and is in sliding fit with the second driving shaft (7), a limiting plate (5) is arranged outside the extension cylinder (3), and a clamping groove (6) matched with the limiting plate (5) is formed in the inner wall of the second driving shaft (7); the impeller assembly (4) is fixedly arranged at one end, far away from the first driving shaft (2), of the second driving shaft (7).

2. A large-scale fan convenient to clean as claimed in claim 1, wherein the limiting plates (5) are distributed in four groups on the outer wall of the extension cylinder (3).

3. The large fan convenient to clean as claimed in claim 1, wherein a locking rod (11) is arranged inside the extension cylinder (3), one end of the locking rod (11) extends to the outside of the extension cylinder (3), a special-shaped block (15) is fixedly connected to the other end of the locking rod (11), an insertion rod (8) in contact with the special-shaped block (15) is arranged on the side surface of the special-shaped block (15), and one end, far away from the special-shaped block (15), of the insertion rod (8) penetrates through the extension cylinder (3) and extends into the inner wall of the second driving shaft (7).

4. A large fan convenient to clean as claimed in claim 3, wherein the inserted link (8) is fixedly connected with a fixing plate (10), and the fixing plate (10) is connected with the inner wall of the extension cylinder (3) through a plurality of springs (9).

5. A large fan facilitating cleaning according to claim 3, characterised in that the profiled block (15) is of a conical structure.

6. The large fan convenient to clean as claimed in claim 1 or 3, wherein a locking block (12) is further fixedly arranged inside the extension cylinder (3), a threaded section (13) is arranged on the locking rod (11), and a threaded hole (16) matched with the threaded section (13) is formed in the middle of the locking block (12).

7. A large fan convenient for cleaning according to claim 6 is characterized in that a knob (14) is fixedly connected to one end of the locking rod (11) positioned outside the extension cylinder (3).