CN210738869U

CN210738869U - Ventilation equipment capable of realizing internal circulation

Info

Publication number: CN210738869U
Application number: CN201921174492.0U
Authority: CN
Inventors: 董海峰
Original assignee: Ningbo Chengfeng Energy Saving Equipment Co Ltd
Current assignee: Yishimer fan (Ningbo) Co.,Ltd.
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-06-12
Anticipated expiration: 2029-07-25

Abstract

The utility model discloses a but ventilation equipment of inner loop, which comprises a fixed base, the top fixedly connected with fan motor of fixing base, the left side fixedly connected with casing at top, the output shaft of fan motor pass through shaft coupling fixedly connected with pivot, and the one end of pivot runs through the casing and extends to the inside of casing, rim plate and back rim plate before the surface of pivot from outside to inside fixedly connected with in proper order, and fixedly connected with impeller between rim plate and the back rim plate before the surface of pivot just is located, the utility model relates to a ventilation equipment technical field. This ventilation equipment of inner loop, through the stopper with filter screen section of thick bamboo both sides along spacing hoop gliding east, realize preliminary spacing fixed to filter screen section of thick bamboo, then rotate the sleeve for the fixture block touches the sleeve, and the compression of cooperation elastic block makes fixture block and draw-in groove looks adaptation carry out the chucking, when clearing up filter screen section of thick bamboo after the inner loop, conveniently dismantles the taking and washs filter screen section of thick bamboo convenient operation.

Description

Ventilation equipment capable of realizing internal circulation

Technical Field

The utility model relates to a ventilation equipment technical field specifically is a but ventilation equipment of inner loop.

Background

The ventilator is a machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, and is a driven fluid machine. Modern ventilators are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and draught of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household electrical appliances, drying and sorting of grains, wind tunnel wind sources and inflation and propulsion of air cushion boats, and the like. The working principle of the ventilator is basically the same as that of a turbo compressor, but the gas flow rate is low, the pressure change is not large, and the change of the specific volume of the gas is generally not required to be considered, namely the gas is treated as incompressible fluid. Relationship of ventilator to fan: the blower is a short-term habit for gas compression and gas conveying machinery in China, and the blower generally comprises a ventilator, a blower, a compressor and a Roots blower, but does not comprise a positive displacement blower such as a piston compressor and the like and a compressor.

But current ventilation equipment of inner loop when realizing the inner loop, carries out circulation ventilation with the inside air in space, changes the air quality, and the impurity that adopts in the filtered air mostly changes the air quality, and filter equipment all is inside through the bolt fastening ventilation equipment, and inconvenient taking when needing the clearance to the noise that ventilation equipment produced is great.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a but ventilation equipment of inner loop has solved current ventilation equipment of inner loop, and when realizing the inner loop, filter equipment is fixed, and inconvenient taking when needing to clear up to ventilation equipment produces the great problem of noise.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a ventilation device capable of internal circulation comprises a fixed seat, wherein a fan motor is fixedly connected to the top of the fixed seat, a shell is fixedly connected to the left side of the top, an output shaft of the fan motor is fixedly connected with a rotating shaft through a coupler, one end of the rotating shaft penetrates through the shell and extends into the shell, a front wheel disc and a rear wheel disc are fixedly connected to the surface of the rotating shaft from outside to inside in sequence, an impeller is fixedly connected to the surface of the rotating shaft and is positioned between the front wheel disc and the rear wheel disc, an air inlet is formed in the surface of the shell, an air outlet pipe is communicated with the left side of the top of the shell, a filter pipe is communicated with the top end of the air outlet pipe, a filter screen cylinder is movably connected to the inside of the filter pipe, a limiting ring is fixedly connected to the inner wall of the filter pipe, limiting blocks are fixedly connected to two sides of the, the top of the filter screen cylinder is rotatably connected with a net-shaped rotating sleeve, the outer surface of the net-shaped rotating sleeve is movably connected with a sleeve, clamping grooves are formed in the two sides of the inner wall of the sleeve, clamping blocks are fixedly connected to the two sides of the outer surface of the filter pipe, and the outer surfaces of the clamping blocks are clamped with the inner surfaces of the clamping grooves.

Preferably, the outer surface of the mesh-shaped rotating sleeve is provided with a sliding groove, the inner surface of the sliding groove is connected with steel balls in a rolling manner, and one side of the outer surface of each steel ball is connected with the inner wall of the sleeve in a rolling manner.

Preferably, the number of the steel balls is four, and the steel balls are distributed on the inner surface of the sliding groove in a central symmetry mode.

Preferably, the two sides of the bottom of the mesh-shaped rotating sleeve are fixedly connected with elastic blocks, and the bottoms of the two elastic blocks are movably connected with the tops of the filter pipe and the limiting ring.

Preferably, the bottom of the fixed seat is fixedly connected with seat legs, and the number of the seat legs is four.

Preferably, the inner wall fixedly connected with amortization cotton of casing, and the cotton quantity of amortization is provided with a plurality ofly.

Advantageous effects

The utility model provides a but ventilation equipment of inner loop. Compared with the prior art, the method has the following advantages

Has the advantages that:

(1) the ventilation equipment capable of internal circulation is characterized in that a fan motor is fixedly connected to the top of a fixing seat, a shell is fixedly connected to the left side of the top, an output shaft of the fan motor is fixedly connected with a rotating shaft through a coupler, one end of the rotating shaft penetrates through the shell and extends into the shell, a front wheel disc and a rear wheel disc are fixedly connected to the surface of the rotating shaft from outside to inside in sequence, an impeller is fixedly connected to the surface of the rotating shaft and is positioned between the front wheel disc and the rear wheel disc, an air inlet is formed in the surface of the shell, an air outlet pipe is communicated with the left side of the top of the shell, a filter pipe is communicated with the top end of the air outlet pipe, a filter screen cylinder is movably connected to the inside of the filter pipe, a limiting ring is fixedly connected to the inner wall of the filter pipe, limiting blocks are fixedly connected to two sides of, the surface swing joint that netted commentaries on classics cover has the sleeve, the draw-in groove has all been seted up to the both sides of sleeve inner wall, the equal fixedly connected with fixture block in both sides of filter tube surface, the surface of two fixture blocks all with the internal surface joint of draw-in groove, stopper through with filter screen section of thick bamboo both sides is along spacing hoop gliding east, realize preliminary spacing fixed to filter screen section of thick bamboo, then rotate the sleeve, make fixture block touching sleeve, the compression of cooperation elastic block this moment, make the fixture block carry out the chucking with draw-in groove looks adaptation, when clearing up filter screen section of thick bamboo after the inner loop, the convenience is dismantled to filter screen section of thick bamboo and is taken and.

(2) This ventilation equipment of inner loop, through the surface of changeing the cover at netted, the spout has been seted up, the internal surface roll connection of spout has the steel ball, and one side and telescopic inner wall roll connection of steel ball surface, the quantity of steel ball is provided with four, and the steel ball is central symmetric distribution at the internal surface of spout, the inner wall fixedly connected with amortization cotton of casing, and the cotton quantity of amortization is provided with a plurality ofly, through setting up spout and steel ball, can effectually reduce netted friction between changeing cover and the sleeve, convenient rotation, it is cotton to set up a plurality of amortizations, can effectually alleviate the noise that ventilation equipment produced when carrying out the inner loop.

Drawings

Fig. 1 is a front view of the external structure of the present invention;

fig. 2 is a side view of the external structure of the present invention;

FIG. 3 is a front view of the internal structure of the filtering tube of the present invention;

fig. 4 is a top view of the internal structure of the sleeve of the present invention;

fig. 5 is a front view of the internal structure of the housing of the present invention.

FIG. 6 is a top view of the internal structure of the sleeve of the present invention

In the figure: 1-a fixed seat, 2-a fan motor, 3-a machine shell, 4-a rotating shaft, 5-a front wheel disc, 6-a rear wheel disc, 7-an impeller, 8-an air inlet, 9-an air outlet pipe, 10-a filter pipe, 11-a filter screen cylinder, 12-a limiting ring, 13-a limiting block, 14-a mesh rotating sleeve, 15-a sleeve, 16-a clamping groove, 17-a clamping block, 18-a sliding groove, 19-a steel ball, 20-an elastic block, 21-a seat foot and 22-noise reduction cotton.

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.

Referring to fig. 1-5, the present invention provides a technical solution: a ventilation device capable of internal circulation comprises a fixed seat 1, wherein the bottom of the fixed seat 1 is fixedly connected with four seat feet 21, the number of the seat feet 21 is four, the seat feet 21 play a role in fixing and supporting the fixed seat 1, the top of the fixed seat 1 is fixedly connected with a fan motor 2, the fan motor 2 is electrically connected with an external power supply, the left side of the top is fixedly connected with a casing 3, the inner wall of the casing 3 is fixedly connected with silencing cotton 22, a plurality of silencing cotton 22 are arranged, noise generated when the ventilation device carries out internal circulation can be effectively relieved, the number of the silencing cotton 22 is multiple, an output shaft of the fan motor 2 is fixedly connected with a rotating shaft 4 through a coupler, one end of the rotating shaft 4 penetrates through the casing 3 and extends into the casing 3, the surface of the rotating shaft 4 is fixedly connected with a front wheel disc 5 and a rear wheel disc 6 from outside to inside in sequence, the surface of the rotating shaft 4 is fixedly connected, the surface of the machine shell 3 is provided with an air inlet 8, the left side of the top of the machine shell 3 is communicated with an air outlet pipe 9, the top end of the air outlet pipe 9 is communicated with a filter pipe 10, the inside of the filter pipe 10 is movably connected with a filter screen cylinder 11, the filter screen cylinder 11 can filter air, the inner wall of the filter pipe 10 is fixedly connected with a limiting ring 12, two sides of the filter screen cylinder 11 are fixedly connected with limiting blocks 13, the outer surfaces of the two limiting blocks 13 are slidably connected with the inner surface of the limiting ring 12, the top of the filter screen cylinder 11 is rotatably connected with a net-shaped rotating sleeve 14, two sides of the bottom of the net-shaped rotating sleeve 14 are fixedly connected with elastic blocks 20, the bottoms of the two elastic blocks 20 are movably connected with the tops of the filter pipe 10 and the limiting ring 12, the outer surface of the net-shaped rotating sleeve 14 is provided with a sliding groove 18, the inner surface of the sliding groove 18 is rotatably connected, and one side of the outer surface of the steel ball 19 is in rolling connection with the inner wall of the sleeve 15, the outer surface of the meshed rotating sleeve 14 is movably connected with the sleeve 15, clamping grooves 16 are formed in two sides of the inner wall of the sleeve 15, clamping blocks 17 are fixedly connected to two sides of the outer surface of the filter pipe 10, and the outer surfaces of the two clamping blocks 17 are clamped with the inner surfaces of the clamping grooves 16.

When the filter screen cylinder 11 is installed, the limiting blocks 13 at two sides of the filter screen cylinder 11 slide downwards along the inner wall of the limiting ring 12, the sleeve 15 is rotated when the elastic block 20 is contacted with the filter pipe 10, so that the sleeve 15 rotates on the outer surface of the reticular sleeve 14 through the steel balls 19, when one side of the sleeve 15 rotates to touch the clamping block 17, the reticular rotating sleeve 14 is pressed downwards at the moment, the elastic block 20 is further compressed, the reticular rotating sleeve 14 is rotated simultaneously, the clamping block 17 is clamped into the clamping groove 16, the hand pressing the reticular rotating sleeve 14 is loosened at the moment, the clamping is carried out under the elastic force action of the elastic block 20, and when the filter screen cylinder 11 needs to be disassembled for cleaning, and (4) reversing the operation.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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. The utility model provides a but ventilation equipment of inner loop, includes fixing base (1), the top fixedly connected with fan motor (2) of fixing base (1), the left side fixedly connected with casing (3) at top, its characterized in that: the fan motor is characterized in that an output shaft of the fan motor (2) is fixedly connected with a rotating shaft (4) through a coupler, one end of the rotating shaft (4) penetrates through the casing (3) and extends to the inside of the casing (3), a front wheel disc (5) and a rear wheel disc (6) are fixedly connected to the surface of the rotating shaft (4) from outside to inside in sequence, an impeller (7) is fixedly connected to the surface of the rotating shaft (4) and is positioned between the front wheel disc (5) and the rear wheel disc (6), an air inlet (8) is formed in the surface of the casing (3), an air outlet pipe (9) is communicated with the left side of the top of the casing (3), a filter pipe (10) is communicated with the top end of the air outlet pipe (9), a filter screen drum (11) is movably connected to the inside of the filter pipe (10), a limiting ring (12) is fixedly connected to the inner wall of the filter pipe (10), and, two the surface of stopper (13) all with the internal surface sliding connection of spacing ring (12), the top of filter screen section of thick bamboo (11) is rotated and is connected with netted commentaries on classics cover (14), the surface swing joint of netted commentaries on classics cover (14) has sleeve (15), draw-in groove (16) have all been seted up to the both sides of sleeve (15) inner wall, the equal fixedly connected with fixture block (17) in both sides of filter tube (10) surface, two the surface of fixture block (17) all with the internal surface joint of draw-in groove (16).

2. An internally circulatable air ventilating apparatus according to claim 1, wherein: the outer surface of the mesh-shaped rotating sleeve (14) is provided with a sliding groove (18), the inner surface of the sliding groove (18) is connected with steel balls (19) in a rolling manner, and one side of the outer surface of each steel ball (19) is connected with the inner wall of the sleeve (15) in a rolling manner.

3. An internally circulatable air ventilating apparatus according to claim 2, wherein: the number of the steel balls (19) is four, and the steel balls (19) are distributed on the inner surface of the sliding groove (18) in a central symmetry mode.

4. An internally circulatable air ventilating apparatus according to claim 1, wherein: both sides of the bottom of the mesh-shaped rotating sleeve (14) are fixedly connected with elastic blocks (20), and the bottoms of the two elastic blocks (20) are movably connected with the tops of the filter pipe (10) and the limiting ring (12).

5. An internally circulatable air ventilating apparatus according to claim 1, wherein: the bottom of the fixed seat (1) is fixedly connected with seat legs (21), and the number of the seat legs (21) is four.

6. An internally circulatable air ventilating apparatus according to claim 1, wherein: the inner wall fixedly connected with amortization cotton (22) of casing (3), and the quantity of amortization cotton (22) is provided with a plurality ofly.