CN213775812U - Metal crossflow fan convenient to dismantle blade - Google Patents

Abstract

The utility model discloses a metal cross flow fan convenient for detaching blades, which comprises a cross flow fan main body and a blade main body, when the blade assembly is needed to be detached, a buckling column is pulled out outwards by rotating a thread disc, the buckling column is separated from the blade assembly at the moment, a connecting shaft is detached from the motor output end of the cross flow fan main body, the detachment is convenient, the operation is rapid, the structure is flexibly and reasonably arranged, an outer ring of a bearing is fixedly welded with the cross flow fan main body, the buckling column is fixedly welded with an inner ring of the bearing, when the blade assembly is installed or detached, the buckling column can be kept to be not rotated when the thread disc is rotated, the buckling column can be buckled with a fastener, the detachment is convenient, when the blade rotates, the bearing is more smoothly matched, the diameter of a columnar end of the fastener is smaller than the width of a chute, the spherical end of the fastener corresponds to a buckling groove, and after the buckling column is connected with the fastener, the connecting point is more stable, and when rotating, the connection rocks a little, improves the rotatory soft stability of blade.

Description

Metal crossflow fan convenient to dismantle blade

Technical Field

The utility model relates to a crossflow fan technical field specifically is a metal crossflow fan convenient to dismantle blade.

Background

The flow fan is characterized in that fluid flows through the fan impeller twice, the fluid flows in along the radial direction and finally flows out along the radial direction, the air inlet direction and the air exhaust direction are on the same plane, and the air exhaust body is uniformly distributed along the width direction of the fan. The device has the advantages of simple structure, small volume and longer distance due to higher dynamic pressure coefficient, and can be widely used on laser instruments, air conditioners, air curtain equipment, dryers, electric hair dryers, household appliances and grain combine harvesters.

However, the existing metal crossflow fan is fixedly connected with the alignment screw, so that the disassembly is very troublesome, and when the blade rotates, the fluency is poor, the rotation friction coefficient is high, and the metal crossflow fan is easy to damage and the service life is shortened after the blade rotates for a long time.

The problem of metal crossflow fan counterpoint screw fixed connection, it is very troublesome to dismantle, and when the blade was rotatory moreover, the fluency is poor, and coefficient of friction is high in the rotation, and over time, metal crossflow fan damaged easily, life descends. To this end, a metal crossflow blower with easy removal of the blades is proposed.

Disclosure of Invention

An object of the utility model is to provide a metal crossflow blower convenient to dismantle blade, set up the inner chamber lower extreme at the screw thread dish through the bearing, detain the post welding at the upper end middle part of bearing, one side threaded connection of screw thread dish and crossflow blower host computer, the outer loop and the fixed welding of crossflow blower host computer of bearing, detain the inner ring fixed welding of post and bearing, thereby solved prior art metal crossflow blower counterpoint screw fixed connection, it is very troublesome to dismantle, and when the blade is rotatory, the smoothness nature is poor, the coefficient of rotational friction is high, and it is long-lived, metal crossflow blower damages easily, the problem that life descends.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a metal crossflow blower convenient to dismantle blade, includes crossflow blower host computer and blade main part, the blade main part includes connecting axle, blade subassembly and quick detach subassembly, and the one end and the crossflow blower host computer of connecting axle are connected, and the other end and the blade subassembly of connecting axle are connected, quick detach subassembly and crossflow blower host computer threaded connection, and the inboard one end activity of quick detach subassembly runs through the crossflow blower host computer and is connected with the blade subassembly lock.

Preferably, the blade assembly comprises a blade and a fastener, and the upper end of the fastener is fixedly welded with the inner side of one end of the blade.

Preferably, the quick-release assembly comprises a threaded disc, a bearing and a buckling column, the bearing is arranged at the lower end of an inner cavity of the threaded disc, the buckling column is welded in the middle of the upper end of the bearing, and the threaded disc is in threaded connection with one side of the cross flow fan host.

Preferably, the outer ring of the bearing is fixedly welded with the main machine of the cross flow fan, and the buckling column is fixedly welded with the inner ring of the bearing.

Preferably, the inner side of the upper end of the buckling column is provided with a buckling groove, and the buckling column positioned on one side of the buckling groove is provided with a sliding groove.

Preferably, the diameter of the columnar end of the fastener is smaller than the width of the sliding groove, and the spherical shape of the fastener corresponds to the direction of the buckling groove.

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

1. the utility model discloses a metal crossflow fan convenient to dismantle blade when needs are dismantled the blade subassembly, through rotatory thread disc for detain the outside pull-out of post, detain post and blade subassembly separation this moment, dismantle the motor output of connecting axle and crossflow fan host computer again, demolish the convenience, the operation is quick, and the structure sets up in a flexible way rationally.

2. The utility model discloses a metal crossflow blower convenient to dismantle blade, the outer loop of bearing and the fixed welding of crossflow blower host computer detain the inner ring fixed welding of post and bearing, when installation or dismantlement blade subassembly, when rotatory thread disc, can keep detaining the post irrotational, can be so that detain post and fastener looks lock, the dismouting of being convenient for, moreover when the blade is rotatory, more smooth of bearing cooperation.

3. The utility model discloses a metal crossflow fan convenient to dismantle blade, the diameter of the column end of fastener is less than the width of spout, the globular and catching groove of fastener to corresponding, is connected the back when detaining post and fastener lock for the tie point is more firm, and when rotatory, the connection is rocked lessly moreover, improves the rotatory soft stability of blade.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the overall partial plan structure of the present invention;

FIG. 3 is a schematic view of a three-dimensional structure of the quick release assembly of the present invention;

FIG. 4 is a schematic view of the connection structure of the bearing and the buckling column of the present invention;

fig. 5 is a schematic view of the blade assembly testing plane structure of the present invention.

In the figure: 1. a cross flow fan main machine; 2. a blade main body; 21. a connecting shaft; 22. a blade assembly; 221. a blade; 222. a fastener; 23. a quick release assembly; 231. a threaded disc; 232. a bearing; 233. buckling a column; 2331. buckling grooves; 2332. a chute.

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. 1-2, a metal crossflow blower convenient for blade detachment includes a crossflow blower host 1 and a blade main body 2, the blade main body 2 includes a connecting shaft 21, a blade assembly 22 and a quick-release assembly 23, one end of the connecting shaft 21 is connected with the crossflow blower host 1, the other end of the connecting shaft 21 is connected with the blade assembly 22, the quick-release assembly 23 is in threaded connection with the crossflow blower host 1, and one end of the inner side of the quick-release assembly 23 movably penetrates through the crossflow blower host 1 to be buckled with the blade assembly 22, the blade assembly 22 includes a blade 221 and a fastener 222, and the upper end of the fastener 222 is fixedly welded with the inner side of one end of the blade 221.

Referring to fig. 3-4, a metal crossflow blower convenient for detaching blades, a quick detaching assembly 23 includes a threaded disc 231, a bearing 232 and a buckling column 233, the bearing 232 is disposed at the lower end of the inner cavity of the threaded disc 231, the buckling column 233 is welded at the middle of the upper end of the bearing 232, the threaded disc 231 is in threaded connection with one side of the crossflow blower main body 1, the outer ring of the bearing 232 is fixedly welded with the crossflow blower main body 1, the buckling column 233 is fixedly welded with the inner ring of the bearing 232, when the blade assembly 22 is mounted or detached, the buckling column 233 can be kept from rotating when the threaded disc 231 is rotated, the buckling column 233 can be buckled with a fastener 222, so as to facilitate the dismounting and mounting, when the blade 221 rotates, the bearing 232 is more smoothly matched, when the blade assembly 22 is to be detached, the buckling column 233 is pulled out by rotating the threaded disc 231, at this time, the buckling column 233 is separated from the blade assembly 22, and then the connecting shaft 21 is detached from the output end of the motor of the crossflow blower main body 1, demolish the convenience, the operation is quick, the structure sets up nimble rationally, buckle 2331 has been seted up to the upper end inboard of buckle 233, the spout 2332 has been seted up to the buckle 233 that is located one side of buckle 2331, the diameter of the column end of fastener 222 is less than the width of spout 2332, the globular and buckle 2331 of fastener 222 are to corresponding, after buckle 233 is connected with the buckle 222 lock, make the tie point more firm, and when rotatory, it is less to connect to rock, the rotatory soft stability of improvement blade 221.

In summary, the following steps: the utility model discloses a metal crossflow blower convenient to dismantle blade, including crossflow blower host computer 1 and blade main part 2, when needs dismantle the blade subassembly 22, through rotatory thread disc 231, make detain post 233 pull out outwards, detain post 233 and blade subassembly 22 separation this moment, dismantle connecting axle 21 and the motor output of crossflow blower host computer 1 again, it is convenient to demolish, the operation is quick, the structure sets up nimble reasonable, the outer loop of bearing 232 and crossflow blower host computer 1 fixed weld, detain post 233 and the inner ring fixed weld of bearing 232, when installing or dismantling blade subassembly 22, when rotatory thread disc 231, can keep detain post 233 irrotational, can make detain post 233 and fastener 222 lock mutually, be convenient for the dismouting, and when blade 221 rotates, bearing 232 cooperates more smoothly, the diameter of the column end of fastener 222 is less than the width of spout 2332, the spherical and the catching groove 2331 of fastener 222 correspond to, after the buckling post 233 is buckled with the buckling piece 222, the connection point is more stable, and the connection shake is smaller during rotation, so that the soft stability of the rotation of the blade 221 is improved.

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 (6)

1. The utility model provides a metal crossflow blower convenient to dismantle blade, includes crossflow blower host computer (1) and blade main part (2), its characterized in that: the blade main body (2) comprises a connecting shaft (21), a blade assembly (22) and a quick-release assembly (23), one end of the connecting shaft (21) is connected with the cross flow fan host (1), the other end of the connecting shaft (21) is connected with the blade assembly (22), the quick-release assembly (23) is in threaded connection with the cross flow fan host (1), and one end of the inner side of the quick-release assembly (23) movably penetrates through the cross flow fan host (1) and is connected with the blade assembly (22) in a buckled mode.

2. A metal crossflow blower with easy-to-dismount blades as claimed in claim 1, characterized in that: the blade assembly (22) comprises a blade (221) and a fastener (222), wherein the upper end of the fastener (222) is fixedly welded with the inner side of one end of the blade (221).

3. A metal crossflow blower with easy-to-dismount blades as claimed in claim 1, characterized in that: quick detach subassembly (23) are including thread disc (231), bearing (232) and detain post (233), bearing (232) set up the inner chamber lower extreme at thread disc (231), detain post (233) welding in the upper end middle part of bearing (232), thread disc (231) and one side threaded connection of crossflow fan host computer (1).

4. A metal crossflow blower with easy-to-dismount blades as claimed in claim 3, characterized in that: the outer ring of the bearing (232) is fixedly welded with the cross flow fan main machine (1), and the buckling column (233) is fixedly welded with the inner ring of the bearing (232).

5. A metal crossflow blower with easy-to-dismount blades as claimed in claim 3, characterized in that: the inner side of the upper end of the buckling column (233) is provided with a buckling groove (2331), and the buckling column (233) positioned on one side of the buckling groove (2331) is provided with a sliding groove (2332).

6. A metal crossflow blower with easy-to-dismount blades as claimed in claim 2, characterized in that: the diameter of the columnar end of the fastener (222) is smaller than the width of the sliding groove (2332), and the spherical shape of the fastener (222) corresponds to the direction of the sliding groove (2331).

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