CN214199027U

CN214199027U - A new-type fan structure for flue ventilation

Info

Publication number: CN214199027U
Application number: CN202120281035.2U
Authority: CN
Inventors: 方胜良; 倪尧根; 章列明
Original assignee: Shaoxing Shangyu Shangli Fan Co ltd
Current assignee: Shaoxing Shangyu Shangli Fan Co ltd
Priority date: 2021-02-01
Filing date: 2021-02-01
Publication date: 2021-09-14
Anticipated expiration: 2031-02-01

Abstract

The utility model discloses a new-type fan structure for flue ventilation, including centrifugal fan, flue mouth, centrifugal fan's avris is provided with the air inlet, and the air inlet passes through the bolt and installs the one end of filter tube to the other end and the flue mouth threaded connection of filter tube, the right side activity joint of slide rail has the main frame, and the central welding of main frame has the quarter butt, and the both sides fixed mounting of quarter butt has the gag lever post, the avris fixedly connected with screw rod of quarter butt is kept away from to the main frame, and the cover is equipped with and assists the frame on the outer wall of screw rod to the inside embedding of assisting the frame is provided with the filter screen. This a new-type fan structure for flue ventilation, the clearance is easily dismantled to the filter screen, can dismantle respectively simultaneously and easily carry out the regulation of filter screen quantity and tear open alone and wash the change, avoids the waste of resource.

Description

A new-type fan structure for flue ventilation

Technical Field

The utility model relates to a flue ventilation technical field specifically is a new-type fan structure for flue ventilation.

Background

The flue is a pipeline for discharging waste gas and smoke, while the residential flue is one of flues, mainly discharges kitchen smoke and waste gas in a toilet, and uses a centrifugal fan to accelerate the discharge of the waste gas under partial conditions.

However, the existing new fan structure for flue ventilation has the following problems:

because the filter screen uses easily to build up the dirt for a long time, reduces filter effect, so need the convenient clearance of filter screen to change, and the current filter screen that is used for new-type fan structure of flue ventilation is difficult for dismantling the clearance, easily leads to the greasy dirt to pile up on the filter screen, influences the result of use of filter screen, simultaneously because there is the difference in the inside oil smoke volume of flue, the demand that leads to the filter screen is different to it is the filter screen jam rate that is more close to the flue during the use is the highest. The existing fan structure is not easy to adjust the quantity of the filter screens, and the replacement of the independent filter screens is not easy to be carried out, so that the resource waste is easily caused. In view of the above problems, we propose a new fan structure for flue ventilation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a new-type fan structure for flue ventilation to solve the above-mentioned background art and propose the not good regulation of quantity of current filter screen, and inconvenient change alone, easily lead to the problem of the waste of resource.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a new-type fan structure for flue ventilation, includes centrifugal fan, flue mouth, centrifugal fan's avris is provided with the air inlet, and the air inlet passes through the one end erection joint of bolt and filter tube to the other end and the flue mouth intercommunication of filter tube, the filter tube is close to the one end inner wall fixedly connected with baffle of flue mouth moreover, and fixed mounting has the slide rail on the inner wall of the filter tube of baffle avris simultaneously, the right side activity joint of slide rail has the main frame the center fixedly connected with screw rod of main frame, and the cover is equipped with on the outer wall of screw rod and assists the frame, the filter screen is all installed with the inside of assisting the frame to the main frame.

Preferably, the baffle sets up for ring shape, all be provided with the spacing groove on main frame and the supplementary frame, and spacing groove and slide rail block sliding connection.

Preferably, one side welding that the screw rod was kept away from in the center of main frame has the quarter butt to the both sides fixed mounting of quarter butt has the gag lever post, and the cover is equipped with the sleeve pipe on the outer wall of gag lever post moreover, and the sleeve pipe is connected through reset spring and gag lever post simultaneously.

Preferably, the limiting rod and the sleeve form an elastic telescopic structure connected with the return spring, the limiting rod is symmetrically distributed relative to the short rod, and the limiting rod, the sleeve and the return spring are distributed in a one-to-one corresponding mode. The filter pipe is symmetrically provided with limiting holes, and the limiting holes are connected with the sleeve in a clamping manner.

Preferably, the number of the auxiliary frames is multiple and the auxiliary frames are distributed on the screw rod in parallel, and the auxiliary frames are connected with the screw rod in a threaded mode.

Preferably, the main frame and the auxiliary frame both comprise a mounting frame and a buckling frame, and the filter screen is located between the mounting frame and the buckling frame.

Compared with the prior art, the beneficial effects of the utility model are that: according to the novel fan structure for flue ventilation, the filter screen is easy to disassemble and clean, so that the phenomenon that oil stains are accumulated on the filter screen to influence the use effect of the filter screen is avoided, meanwhile, the novel fan structure for flue ventilation is easy to adjust the number of the filter screens, the waste of resources is avoided, and the practicability of the device is improved;

1. the filter pipe is convenient to disassemble through the rotation of bolts at two ends of the filter pipe, and the main frame and the auxiliary frame are convenient to separate from the filter pipe through the pulling of the limiting rod through the movement of the sleeve in the limiting hole, so that the filter screens on the main frame and the auxiliary frame are convenient to clean, and the use effect of the filter screens is prevented from being influenced;

2. through the threaded connection of screw rod and supplementary frame for main frame and supplementary frame and filter tube break away from the back, make things convenient for rotatory supplementary frame and screw rod to break away from, thereby be convenient for change the quantity and the position of the supplementary frame of parallel distribution on the screw rod, and can carry out selective clearance or change alone according to the jam condition, avoid causing the waste of resource.

Drawings

FIG. 1 is a schematic view of a front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the cross-section structure of the filtering pipe of the present invention;

FIG. 3 is a schematic view of the connection structure of the over-limit rod and the sleeve of the present invention;

FIG. 4 is a schematic view of a filter tube of the present invention;

fig. 5 is an exploded view of the mounting frame, the filter screen and the fastening frame of the present invention.

In the figure: 1. a centrifugal fan; 2. an air inlet; 3. a filter tube; 4. a flue opening; 5. a baffle plate; 6. a slide rail; 7. a main frame; 8. a short bar; 9. a limiting rod; 10. a sleeve; 11. a return spring; 12. a limiting hole; 13. a screw; 14. an auxiliary frame; 15. a filter screen; 16. a limiting groove; 17. a mounting frame; 18. a buckling frame.

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 new-type fan structure for flue ventilation comprises a centrifugal fan 1 and a flue opening 4, wherein the left side of the centrifugal fan 1 is provided with an air inlet 2, the upper side of the centrifugal fan is provided with an air outlet for discharging or transmitting filtered flue gas to a next channel, one end of a filter pipe 3 is installed on the air inlet 2 through a bolt, the other end of the filter pipe 3 is in threaded connection with the flue opening 4, the inner wall of one end, close to the flue opening 4, of the filter pipe 3 is fixedly connected with a baffle 5, meanwhile, the inner wall of the filter pipe 3 on the right side of the baffle 5 is fixedly provided with a slide rail 6, the number of the slide rails can be two, the right side of the slide rail 6 is movably clamped with a main frame 7, the center of the main frame 7 is welded with a short rod 8, two sides of the short rod 8 are fixedly provided with limiting rods 9, the outer wall of the limiting rod 9 is sleeved with a sleeve 10, and the sleeve 10 is connected with the limiting rod 9 through a reset spring 11, one side fixedly connected with screw rod 13 that short rod 8 was kept away from in the center of main frame 7, and the cover is equipped with auxiliary frame 14 on the outer wall of screw rod 13, and the inside embedding of main frame 7 and auxiliary frame 14 is provided with filter screen 15 to can filter the oil smoke.

All be provided with spacing groove 16 on main frame 7 and the auxiliary frame 14, and spacing groove 16 and slide rail 6 block sliding connection, be convenient for main frame 7 and auxiliary frame 14 slide along slide rail 6 and dismantle the installation to and increase auxiliary frame 14 and main frame 7's job stabilization nature.

Particularly, the elastic telescopic structure that reset spring 11 is connected is constituteed to gag lever post 9 and sleeve pipe 10, and gag lever post 9 is about 8 symmetric distributions of quarter butt, and gag lever post 9,

sleeve pipe

10 and 11 one-to-ones of reset spring distribute, and the symmetry sets up spacing hole 12 on the filter tube 3, reset spring 11 promotes sleeve pipe 10 and stably inserts spacing hole 12, thereby let the unable rotation of main frame 7 and effect remove, the position of screw rod 13 has been stabilized promptly, thereby fix a position main frame 7 and auxiliary frame 14, in addition baffle 5 sets up and laminates with the auxiliary frame 14 of leftmost end for circle, reduce the space that occupies when improving stability, avoid the during operation to appear rocking, reduce abnormal sound and collision damage.

The auxiliary frames 14 are distributed on the screw 13 in parallel, the central parts of the auxiliary frames 14 are in threaded connection with the screw 13, the auxiliary frames 14 can be conveniently detached and installed on the screw 13, and the auxiliary frames 14 are stable in position after being installed by matching with the structures of the limiting grooves 16 and the sliding rails 6

Particularly, main frame 7 and supplementary frame 14 all include mounting bracket 17 and buckling frame 18, just filter screen 15 is located between mounting bracket 17 and the buckling frame 18, and buckling frame 18 edge size is less than mounting bracket 17, as shown open flutedly on the mounting bracket 17, the position that corresponds on the buckling frame 18 is equipped with the boss, and filter screen 15's edge receives the extrusion to be connected, easy to assemble and dismantlement in the recess, through recess and boss interference fit extrusion.

The working principle is as follows: when the device is used, firstly, as shown in fig. 1, a centrifugal fan 1 is started (powered by external electric power), the discharge of waste gas in a flue port 4 is accelerated, the discharged waste gas is filtered by a filter pipe 3 and then discharged from the upper part of the centrifugal fan 1, when the filter screen 15 needs to be cleaned and maintained, bolts at two ends of the filter pipe 3 are rotated, the filter pipe 3 is disassembled, then a sleeve 10 is pulled to be separated from a limiting hole 12, and a main frame 7 and an auxiliary frame 14 are pulled to be moved out of the filter pipe 3 by a limiting rod 9, so that the filter pipe 3, the main frame 7, the auxiliary frame 14 and the filter screen 15 are conveniently cleaned, and the filter effect of the device is prevented from being influenced;

when the number of the filter screens 15 is adjusted according to the field use environment, the main frame 7 and the auxiliary frame 14 are separated from the filter pipe 3, the auxiliary frame 14 is rotated to facilitate the detachment and installation of the auxiliary frame 14 on the screw 13, after the filter screens 15 with proper number are selected, the limiting grooves 16 on the main frame 7 and the auxiliary frame 14 are aligned with the sliding rails 6 and slide into the filter pipe 3, then the sleeve 10 is loosened, the reset spring 11 resets to push the sleeve 10 to be stably connected with the limiting holes 12, and then the two ends of the filter pipe 3 are connected with the centrifugal fan 1 and the flue port 4 through bolts.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a new-type fan structure for flue ventilation, includes centrifugal fan (1), flue opening (4), its characterized in that: the avris of centrifugal fan (1) is provided with air inlet (2), and air inlet (2) are connected through the one end of bolt with filter tube (3) to the other end and flue mouth (4) intercommunication of filter tube (3), and filter tube (3) are close to one end inner wall fixedly connected with baffle (5) of flue mouth (4) moreover, and fixed mounting has slide rail (6) on the inner wall of filter tube (3) of baffle (5) avris simultaneously, the right side activity joint of slide rail (6) has main frame (7), the center fixedly connected with screw rod (13) of main frame (7), and the cover is equipped with on the outer wall of screw rod (13) and assists frame (14), filter screen (15) are all installed to the inside of main frame (7) and assistance frame (14).

2. A novel fan structure for flue ventilation as claimed in claim 1, wherein: baffle (5) set up for ring shape, all be provided with spacing groove (16) on main frame (7) and auxiliary frame (14), and spacing groove (16) and slide rail (6) block sliding connection.

3. A novel fan structure for flue ventilation as claimed in claim 1, wherein: the welding of one side of screw rod (13) is kept away from at the center of main frame (7) has quarter butt (8) to the both sides fixed mounting of quarter butt (8) has gag lever post (9), and the cover is equipped with sleeve pipe (10) on the outer wall of gag lever post (9) moreover, and sleeve pipe (10) are connected through reset spring (11) and gag lever post (9) simultaneously.

4. A novel fan structure for flue ventilation as claimed in claim 3, wherein: elastic telescopic structure that reset spring (11) are connected is constituteed to gag lever post (9) and sleeve pipe (10), and gag lever post (9) about quarter butt (8) symmetric distribution to gag lever post (9), sleeve pipe (10) and reset spring (11) one-to-one distribute, the symmetry is provided with spacing hole (12) on filter tube (3), and spacing hole (12) and sleeve pipe (10) block are connected.

5. A novel fan structure for flue ventilation as claimed in claim 2, wherein: the auxiliary frames (14) are distributed in parallel on the screw (13), and the central parts of the auxiliary frames (14) are in threaded connection with the screw (13).

6. A novel fan structure for flue ventilation as claimed in claim 1, wherein: the main frame (7) and the auxiliary frame (14) both comprise a mounting frame (17) and a buckling frame (18), and the filter screen (15) is located between the mounting frame (17) and the buckling frame (18).