CN202789453U

CN202789453U - Fan

Info

Publication number: CN202789453U
Application number: CN 201220451786
Authority: CN
Inventors: 任文华
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-09-06
Filing date: 2012-09-06
Publication date: 2013-03-13
Anticipated expiration: 2022-09-06

Abstract

The utility model relates to a fan. The fan comprises a base, a spray nozzle, an impeller cover and an interlocking mechanism, wherein the spray nozzle can slide from a non-inclined position to an inclined position relative to the base, the impeller cover is at least partially positioned in the spray nozzle, the base comprises a first housing positioned at the upper end part of the base, the spray nozzle comprises an internal channel, an exhaust port and a second housing positioned at the lower end part of the spray nozzle, and the interlocking mechanism comprises a first locking component and a second locking component.

Description

Fan

Technical field

The utility model relates to a kind of fan.

Background technique

The rotation blade that does not expose owing to can produce air-flow stably without blade fan, thereby be subject to liking of people.On July 20th, 2011 notice of authorization number for the Chinese patent of CN201902359U (application number: 201020647163.6) disclose a kind of without blade fan, this kind fan comprises: base and the head that is provided with nozzle, sphere is slidingly matched between the end face of this base and the head bottom surface, make head can with respect to base never oblique position tilt to oblique position.When the head of this kind fan was in oblique position, its stability was not good, and its use is subject to larger restriction.

Summary of the invention

The purpose of this utility model is will provide-kind of fan.This kind fan, it is characterized in that, described fan comprises base, nozzle, impeller chimney and be used for nozzle is remained on mutual interlocking gear on the base, described nozzle can with respect to base never oblique position slide into oblique position, described nozzle and described base all have outer surface, when described nozzle is in not oblique position, the bound fraction of the outer surface of described nozzle and the outer surface of described base is substantially flush, described impeller chimney has at least part to be positioned at the inside of nozzle and is connected with nozzle, described base comprises the first housing with first opening that is positioned at the base upper end portion, described nozzle comprises the inner passage, relief opening and the second housing with second opening that is positioned at the nozzle underpart, described mutual interlocking gear comprises the first locking component that is connected to the first housing and the second locking component that is connected to the second housing.

The impeller chimney of this kind fan is connected with nozzle, has reduced the seal request between nozzle and the base; Slip surface present position between nozzle and the base is higher, is conducive to nozzle is carried out tilt operation; Nozzle tilts with respect to the slip of base, and its centre-of gravity shift is little, stability is higher; The overall appearance of fan is also obviously improved in addition.

Preferably, described impeller chimney is connected with described the second housing.

Preferably, described nozzle has inwall, and described impeller chimney is connected with described inwall.

Preferably, described nozzle comprises the 3rd housing that limits inner passage and relief opening, and it is whole that described impeller chimney becomes with described the 3rd housing.

In a preferred embodiment, described the first locking component becomes whole with described the first housing; In another preferred embodiment, it is whole that described the first locking component becomes with described the first housing, and described the second locking component becomes whole with described the second housing; In yet another preferred embodiment, described the first locking component comprises flange, and described the second locking component comprises chute.

Preferably, when nozzle was in not oblique position, described mutual interlocking gear was sealed by the outer surface of nozzle and base.

In a preferred embodiment, described base comprises base portion and the base body that is positioned on the base portion, described nozzle comprises neck and the nozzle body that is positioned on the neck, and wherein, the outer surface of described base body and the outer surface of described neck have roughly the same profile; In another preferred embodiment, described base comprises base portion and the base body that is positioned on the base portion, and described nozzle comprises neck and the nozzle body that is positioned on the neck, and wherein, described base body and described neck all are cylindricality substantially.

Preferably, described nozzle gets around a mouthful extension, is entrainmented by described opening by the air-flow from described relief opening emission from the air outside the nozzle.

Preferably, described base comprises base portion and the base body that is positioned on the base portion, and described base body can swing with respect to described base portion; Described base comprises the base that it highly can stretch.

Preferably, described base comprises air inlet.

Described fan can also comprise the impeller that is positioned at impeller chimney and the motor of drives impeller rotation work.Described motor can be DC Brushless Motor, also can be alternating current motor; Described impeller can be horizontal impeller, can be mixed flow impeller, can also be other impeller.

Description of drawings

Figure l is the schematic representation of fan of the present utility model.

Fig. 2 is the side view of the fan shown in the figure l.

Fig. 3 is the sectional view that A-the A line intercepts along the fan shown in the figure l.

Fig. 4 is the base body of the fan shown in the figure l and the schematic representation of the first locking component.

Fig. 5 is the second housing of the fan shown in the figure l and the schematic representation of the second locking component.

Fig. 6 is that fan shown in Figure 1 is being tilted forward to the side view of a certain position.

Fig. 7 is that fan shown in Figure 1 is receding to the side view of a certain position.

Embodiment

Figure l is that Fig. 2 is the side view of the fan shown in the figure l from the schematic representation of the fan of the present utility model of device forward observation, and Fig. 3 is the sectional view that A-the A line intercepts along the fan shown in the figure l.Can find out that from Fig. 1 to Fig. 3 this fan comprises base 1, nozzle 2, impeller chimney 9 and is used for nozzle 2 is remained on mutual interlocking gear on the base; The major part of impeller chimney 9 is positioned at the inside of nozzle 2 and is connected with nozzle; And with reference to figure 4 and Fig. 5, base 1 comprises base portion 1b, be positioned at base body 1a on the base portion, be positioned at the air inlet 5 on the base body 1a and be positioned at first housing 3 with first opening 3a of base body 1a upper end portion; Nozzle 2 has inner passage 7, relief opening 8, be positioned at second housing 4 with second opening 4a of nozzle underpart and be used for arranging the position, hole 12 of screw, nozzle 2 comprises neck 2b and the nozzle body 2a that is positioned on the neck, nozzle body 2a gets around mouthfuls 6 and extends, and has axis X at the central part of opening 6; Mutual interlocking gear comprise with whole two the first locking component 3b of 3 one-tenth of the first housings with two the second locking component 4b of 4 one-tenths integral body of the second housing.

In the present embodiment, the first locking component 3b is flange, and the second locking component 4b is chute; The major part of impeller chimney 9 is positioned at the inside of nozzle, and the fraction of impeller chimney 9 is positioned at the inside of base 1; Fan also comprises the motor 11 of the impeller with guard shield 14 10 that is positioned at impeller chimney 9, drives impeller rotation work and is positioned at the diffuser 13 in impeller 10 downstreams; Base body 1a can swing with respect to base portion 1b.

Can also be clear that from Fig. 1 when nozzle 2 was in not oblique position, the bound fraction of the outer surface of the outer surface of base body 1a and neck 2b was substantially flush.

Fig. 6 is that fan shown in Figure 1 is being tilted forward to the side view of a certain position, and Fig. 7 is that fan shown in Figure 1 is receding to the side view of a certain position.Find out easily that from Fig. 6 and Fig. 7 nozzle 2 can make the air-out orientation of nozzle 2 change at vertical plane after sliding with respect to base 1.

During the utility model work, air enters in the base from the air inlet 5 on the base 1, comprise impeller chimney 9, the air flow-producing device of impeller 10 and motor 11 is converted to the higher air stream of air pressure with the air that enters, this air stream that has boosted is sent in the inner passage 7 of nozzle 2, and the air stream that inner passage 7 receives is by relief opening 8 emissions, air from the nozzle outside is entrainmented by opening 6 by the air stream of launching from relief opening, consist of forward total air stream of output from the air stream of relief opening emission with the air stream that is entrainmented, nozzle 2 is with respect to the slip of base 1, can change the orientation of the air-flow that nozzle 2 exports, to satisfy user's different requirements.

Although showed and described and thought at present preferred embodiment of the present utility model, apparent, those skilled in the art can carry out various changes and improvements, and does not deviate from the scope of the present utility model that is limited by appended claims.

Claims

1. fan, it is characterized in that, described fan comprises base (1), nozzle (2), impeller chimney (9) and be used for nozzle is remained on mutual interlocking gear on the base, described nozzle can with respect to base never oblique position slide into oblique position, described nozzle and described base all have outer surface, when described nozzle is in not oblique position, the bound fraction of the outer surface of described nozzle and the outer surface of described base is substantially flush, described impeller chimney has at least part to be positioned at the inside of nozzle and is connected with nozzle, described base comprises the first housing (3) with first opening (3a) that is positioned at the base upper end portion, described nozzle comprises inner passage (7), relief opening (8) and be positioned at second housing (4) with second opening (4a) of nozzle underpart, described mutual interlocking gear comprises the first locking component (3b) that is connected to the first housing and the second locking component (4b) that is connected to the second housing.

2. such as the described fan of claim l, it is characterized in that described impeller chimney is connected with described the second housing.

3. such as the described fan of claim l, it is characterized in that described nozzle has inwall, described impeller chimney is connected with described inwall.

4. such as the described fan of claim l, it is characterized in that described nozzle comprises the 3rd housing that limits inner passage and relief opening, it is whole that described impeller chimney becomes with the 3rd housing.

5. such as the described fan of claim l, it is characterized in that when nozzle was in not oblique position, described mutual interlocking gear was sealed by the outer surface of nozzle and base.

6. such as the described fan of one of claim l to 5, it is characterized in that described the first locking component comprises flange, described the second locking component comprises chute.

7. such as the described fan of one of claim l to 5, it is characterized in that, described base comprises base portion (1b) and is positioned at base body (1a) on the base portion, described nozzle comprises neck (2b) and is positioned at nozzle body (2a) on the neck, wherein, the outer surface of the outer surface of described base body and described neck has roughly the same profile.

8. such as the described fan of one of claim l to 5, it is characterized in that described base comprises base portion and the base body that is positioned on the base portion, described nozzle comprises neck and the nozzle body that is positioned on the neck, wherein, described base body and described neck all are cylindricality substantially.

9. such as the described fan of one of claim l to 5, it is characterized in that described nozzle gets around mouthful (6) and extends, entrainmented by described opening by the air-flow from described relief opening emission from the air outside the nozzle.

10. such as the described fan of one of claim l to 5, it is characterized in that described base comprises air inlet (5).