CN215058353U

CN215058353U - Ventilation fan with protection mechanism

Info

Publication number: CN215058353U
Application number: CN202121265137.1U
Authority: CN
Inventors: 于水泳
Original assignee: Weihai Hengye Air Conditioning Equipment Co ltd
Current assignee: Weihai Hengye Air Conditioning Equipment Co ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2021-12-07
Anticipated expiration: 2031-06-07

Abstract

The utility model discloses a ventilation fan with protection machanism, including shell and second motor, shell one side top fixed mounting has the head rod, head rod bottom opposite side is fixed with first motor, the power take off end of first motor has the protective housing through shaft coupling fixed mounting. The utility model discloses a scraper blade of first spring mounting, the scraper blade can not drop when rotatory with flabellum both sides activity joint, and the inner wall size value of scraper blade equals flabellum top outer wall size value, the scraper blade can cover the flabellum completely, it is rotatory to drive the flabellum when first motor rotates, centrifugal force is greater than the elasticity of first spring, make the scraper blade at second spring top can move to second stopper department, the scraper blade is promoted by the second spring when first motor stops rotating, scrape clean greasy dirt on the flabellum, thereby reach the few quality of long-term use flabellum surface greasy dirt and can not increase the effect.

Description

Ventilation fan with protection mechanism

Technical Field

The utility model relates to a ventilation fan technical field specifically is a ventilation fan with protection machanism.

Background

The ventilator is a driven fluid machine which is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and draught of boilers and industrial kilns, cooling and ventilation in air conditioning equipment and household electrical equipment, drying and sorting of grains, air supply of wind tunnel and inflation and propulsion of air cushion ships and the like.

However, original ventilation fan part can be used for the more room of greasy dirt such as kitchen, clears away the greasy dirt in the room, and the flabellum surface of long-term back fan of using can be attached to a large amount of greasy dirt, not only can breed a large amount of bacteriums after the time is long and also can increase the rotational speed that bears a burden and influence the flabellum of flabellum to the outside protection net of fan also can be attached to a large amount of greasy dirt, leads to the ventilation effect of mesh stifled ventilation blower to worsen.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a ventilation fan with protection machanism to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a ventilation fan with protection machanism, includes shell and second motor, shell one side top fixed mounting has the head rod, head rod bottom opposite side is fixed with first motor, the power take off end of first motor has the protective housing through shaft coupling fixed mounting, the flabellum is installed to protective housing outer wall circumference equidistance, shell opposite side fixed mounting has the protecting screen, shell left side edge fixed mounting has the connecting block, connecting block opposite side fixed mounting has the protecting shield, shell opposite side edge middle part fixed mounting has the spacing ring, the carriage release lever has been cup jointed in the inside activity of spacing ring, carriage release lever one side fixed mounting has clean pole, carriage release lever opposite side middle part fixed mounting has the poker rod, the power take off end fixed mounting of second motor has differential mechanism.

Preferably, a circular groove is formed in the middle of one side, close to the protection net, of the fan blade, a first limiting block and a second limiting block are respectively fixedly mounted at two ends of the circular groove, a first spring is fixedly mounted in the middle of one side of the second limiting block, and a scraper is fixedly mounted at the other end of the first spring.

Preferably, the scraper blade and the activity joint of flabellum both sides, and the inner wall size value of scraper blade equals flabellum top outer wall size value, and the length value of first spring equals the quarter of flabellum length value, the dynamics of the tensile quadruple length of first spring is less than the rotatory centrifugal force of flabellum.

Preferably, the cleaning rod has a shape and a size equal to those of the protection net, and the cleaning rod touches the protection net.

Preferably, shell bottom one side fixed mounting has the sleeve, the inside fixed mounting of sleeve has the second spring, carriage release lever bottom and second spring top fixed mounting, the length value of second spring when compressing is greater than telescopic inner wall height value.

Preferably, differential mechanism one side fixed mounting has the second connecting rod, the equal fixed mounting in second connecting rod one side both ends has the dwang, the dwang is located same vertical plane with the poker rod, and the level of the center department of second motor is higher than the level of spacing ring.

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

1. the utility model discloses a scraper blade of first spring mounting, the scraper blade can not drop when rotatory with flabellum both sides activity joint, and the inner wall size value of scraper blade equals flabellum top outer wall size value, the scraper blade can cover the flabellum completely, it is rotatory to drive the flabellum when first motor rotates, centrifugal force is greater than the elasticity of first spring, make the scraper blade at first spring top can move to second stopper department, the scraper blade is promoted by first spring when first motor stops rotating, scrape clean greasy dirt on the flabellum, thereby reach the few quality of long-term use flabellum surface greasy dirt and can not increase the effect.

2. The utility model discloses a when the second motor carries out clockwise rotation, drive second connecting rod and dwang and rotate, press the poking rod downwards and drive the carriage release lever downstream, clean pole removes on the protection network, cleans the protection network, and when poking rod and dwang separated, the second spring waited for the touching of next time with the carriage release lever jack-up until touching spacing ring to reach the effect that long-term use protection network can not block up.

Drawings

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

FIG. 2 is a schematic view of the back side of the overall structure of the present invention;

FIG. 3 is a schematic view of the structure of the cleaning rod and the second motor of the present invention;

fig. 4 is an enlarged schematic view of the fan blade structure of the present invention.

In the figure: 1. a housing; 2. a first connecting rod; 3. a first motor; 4. a coupling; 5. a protective shell; 6. a fan blade; 61. a first stopper; 62. a second limiting block; 63. a circular groove; 64. a first spring; 65. a squeegee; 7. connecting blocks; 8. a protection plate; 9. a limiting ring; 10. a travel bar; 11. a protection net; 12. a cleaning rod; 13. a second spring; 14. a sleeve; 15. a poke rod; 16. a second motor; 161. a differential mechanism; 17. a second connecting rod; 171. rotating the rod.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by a person of ordinary skill in the art without creative work belong to the protection scope of the present invention based on the embodiments of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a ventilation fan with protection machanism, including shell 1 and

second motor

16, 1 one side top fixed mounting of shell has head rod 2, 2 bottom opposite sides of head rod are fixed with first motor 3, first motor 3's power take off end has protective housing 5 through 4 fixed mounting of shaft coupling, 5 outer wall circumference equidistance of protective housing installs flabellum 6, 1 opposite side fixed mounting of shell has

protection net

11, 1 left side edge fixed mounting of shell has connecting block 7, 7 opposite side fixed mounting of connecting block has

protection shield

8, 1 opposite side edge middle part fixed mounting of shell has spacing ring 9, the inside activity of spacing ring 9 has cup jointed carriage release lever 10, carriage release lever 10 one side fixed mounting has clean pole 12, carriage release lever 10 opposite side middle part fixed mounting has poke bar 15, second motor 16's power take off end fixed mounting has differential mechanism 161, for prior art does not do here repeatedly.

In summary, the following steps:

wherein, a circular groove 63 is provided in the middle of one side of the fan blade 6 close to the protection net 11, a first stopper 61 and a second stopper 62 are respectively provided at the two ends of the circular groove 63, a first spring 64 is fixedly provided in the middle of one side of the second stopper 62, a scraper 65 is fixedly provided at the other end of the first spring 64, the scraper 65 is movably clamped with the two sides of the fan blade 6, the size of the inner wall of the scraper 65 is equal to the size of the outer wall of the top of the fan blade 6, the length of the first spring 64 is equal to one fourth of the length of the fan blade 6, the force of the first spring 64 stretching four times the length is smaller than the centrifugal force of the fan blade 6, when the first motor 3 rotates, the fan blade 6 is driven to rotate, the centrifugal force is larger than the elastic force of the first spring 64, so that the scraper 65 at the top of the first spring 64 can move to the second stopper 62, when the first motor 3 stops rotating, the scraper 65 is pulled by the first spring 64, the fan blades 6 are scraped to clean oil stains.

Wherein, the shape and size of the cleaning rod 12 is equal to the shape and size of the protection net 11, and the cleaning rod 12 touches the protection net 11, a sleeve 14 is fixedly installed on one side of the bottom of the housing 1, a second spring 13 is fixedly installed inside the sleeve 14, the bottom of the movable rod 10 is fixedly installed with the top of the second spring 13, the length value of the second spring 13 when compressed is larger than the height value of the inner wall of the sleeve 14, a second connecting rod 17 is fixedly installed on one side of the differential mechanism 161, rotating rods 171 are fixedly installed at both ends of one side of the second connecting rod 17, the rotating rods 171 and the poking rod 15 are located on the same vertical plane, the horizontal height of the center of the second motor 16 is higher than the horizontal height of the spacing ring 9, when the second motor 16 rotates clockwise, the second connecting rod 17 and the rotating rod 171 are driven to rotate, the poking rod 15 is pressed downwards to drive the movable rod 10 to move downwards, the cleaning rod 12 moves on the protection net 11, the protection net 11 is cleaned, and when the poke rod 15 is separated from the rotating rod 171, the second spring 13 jacks up the moving rod 10 until the limiting ring 9 is touched to wait for the next touch.

The working principle is as follows: when the cleaning device is used, the first motor 3 is started to rotate firstly, the fan blade 6 is driven to rotate, centrifugal force is larger than elastic force of the first spring 64, the scraper blade 65 at the top of the first spring 64 can move to the second limiting block 62, the scraper blade 65 is pulled by the first spring 64 when the first motor 3 stops rotating, oil stain cleaning is conducted on the fan blade 6, then the second motor 16 is started to rotate clockwise, the second connecting rod 17 and the rotating rod 171 are driven to rotate, the poking rod 15 is pressed downwards to drive the moving rod 10 to move downwards, when the poking rod 15 is separated from the rotating rod 171, the second spring 13 jacks up the moving rod 10 until the poking limiting ring 9 touches the next time, the cleaning rod 12 moves on the protection net 11, and the protection net 11 is cleaned.

It should be noted that, in this document, relational terms such as first and second, and the like are 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, and furthermore, the terms "comprise", "include", 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. A ventilation fan with a protection mechanism, comprising a housing (1) and a second electric machine (16), characterized in that: the novel electric fan is characterized in that a first connecting rod (2) is fixedly mounted at the top of one side of the shell (1), a first motor (3) is fixed to the other side of the bottom of the first connecting rod (2), a protective shell (5) is fixedly mounted at the power output end of the first motor (3) through a coupler (4), fan blades (6) are mounted at equal intervals on the circumference of the outer wall of the protective shell (5), a protective net (11) is fixedly mounted at the other side of the shell (1), a connecting block (7) is fixedly mounted at the edge of the left side of the shell (1), a protective plate (8) is fixedly mounted at the other side of the connecting block (7), a limiting ring (9) is fixedly mounted in the middle of the edge of the other side of the shell (1), a moving rod (10) is movably sleeved in the limiting ring (9), a cleaning rod (12) is fixedly mounted at one side of the moving rod (10), a poking rod (15) is fixedly mounted in the middle of the other side of the moving rod (10), and a differential (161) is fixedly arranged at the power output end of the second motor (16).

2. A ventilation fan with a guard mechanism as claimed in claim 1, wherein: circular recess (63) have been seted up near protection network (11) one side middle part in flabellum (6), first stopper (61) and second stopper (62) are installed at the end admittedly respectively at circular recess (63) both ends, second stopper (62) one side middle part fixed mounting has first spring (64), first spring (64) other end fixed mounting has scraper blade (65).

3. A ventilation fan with a guard mechanism as claimed in claim 2, wherein: scraper blade (65) and flabellum (6) both sides activity joint, and the inner wall size value of scraper blade (65) equals flabellum (6) top outer wall size value, and the length value of first spring (64) equals the quarter of flabellum (6) length value, the dynamics of the tensile quadruple length of first spring (64) is less than the rotatory centrifugal force of flabellum (6).

4. A ventilation fan with a guard mechanism as claimed in claim 1, wherein: the shape and the size of the cleaning rod (12) are equal to those of the protection net (11), and the cleaning rod (12) is in contact with the protection net (11).

5. A ventilation fan with a guard mechanism as claimed in claim 1, wherein: casing (1) bottom one side fixed mounting has sleeve (14), sleeve (14) inside fixed mounting has second spring (13), carriage release lever (10) bottom and second spring (13) top fixed mounting, the length value of second spring (13) when compressing is greater than the inner wall height value of sleeve (14).

6. A ventilation fan with a guard mechanism as claimed in claim 1, wherein: differential mechanism (161) one side fixed mounting has second connecting rod (17), the equal fixed mounting in both ends of second connecting rod (17) one side has dwang (171), dwang (171) are located same vertical plane with poker rod (15), and the level that the center department of second motor (16) was located is higher than the level of spacing ring (9).