CN111425460A

CN111425460A - Assembled fan casing

Info

Publication number: CN111425460A
Application number: CN202010409363.6A
Authority: CN
Inventors: 刘红; 张凯; 刘勇; 王国军; 胡会成; 陈小华
Original assignee: Jiangxi Zengxin Technology Co ltd
Current assignee: Jiangxi Zengxin Technology Co ltd
Priority date: 2020-05-14
Filing date: 2020-05-14
Publication date: 2020-07-17

Abstract

The invention discloses an assembled fan shell which comprises a shell body, wherein the shell body is cylindrical, the top and the bottom of the shell body are communicated, and the shell body is detachably formed by connecting a plurality of split shells end to end. According to the invention, the shell body is divided into the plurality of split shells, and then the plurality of split shells are assembled to form the complete shell body, the process adopts a split structure, the equipment and the die used in production are smaller, the investment cost is lower, meanwhile, the products can be completely stacked and occupy small space when being stacked, and the occupied cost of both transportation and factory buildings is very economic. In addition, the structural strength of the product is more stable and the deformation is small by optimizing the design structure; the support mounting position is designed and positioned, the field mounting of bulk goods delivery can be realized, and the transportation cost is further reduced.

Description

Assembled fan casing

Technical Field

The invention relates to the technical field of fan shells, in particular to an assembled fan shell.

Background

The existing glass fiber reinforced plastic fan adopts a glass fiber compression molding process, and is molded at one time by heating through a mold by using a large hydraulic press. In the production process, because of the material characteristics, the hardness of the product is unstable before complete cooling, and the product is easy to deform in the blanking process when the size is large. Due to the structure of the fan shell, the time gap of stacking two products is large when stacking the products, and the space utilization rate is low. The use cost of the product factory is high in warehouse, the outgoing products need to be assembled and delivered in the factory, the occupied space is larger, and the transportation cost is very high.

Disclosure of Invention

Technical problem to be solved

The present invention is directed to solving the above-mentioned problems, and provides an assembled blower housing.

(II) technical scheme

The technical scheme of the invention is as follows: the utility model provides an assembled fan shell, includes housing body, housing body is the tube-shape, and its top is link up with the bottom, housing body detachable is formed by a plurality of components of a whole that can function independently shell end to end connection.

Preferably, a first protruding portion which is higher than the arc surface and extends outwards is arranged at a joint of one side of the split shell, a first concave portion which is lower than the arc surface and extends outwards is arranged at a joint of the other side of the split shell, and the first protruding portion and the first concave portion are used for connecting the split shells end to end.

Preferably, the first protruding portion and the first concave portion are an integral piece with the split housing, and the first protruding portion is detachably connected with the first concave portion.

Preferably, a second protruding portion which is higher than the outer circumferential surface and extends outwards is arranged at the joint of one side of the split shell, a second concave portion which is lower than the outer circumferential surface and extends outwards is arranged at the joint of the other side of the split shell, and the second protruding portion and the second concave portion are used for connecting the split shells end to end.

Preferably, the second protruding portion and the second concave portion are an integral piece with the split housing, and the second protruding portion is detachably connected with the second concave portion.

Preferably, a first ear cover is arranged on the outer side of the joint on one side of the split shell, a second ear cover is arranged on the outer side of the joint on the other side of the split shell, the first ear cover and the second ear cover are used for connecting the split shells end to end, and the first ear cover and the second ear cover are detachably connected.

Preferably, the first ear cover and the second ear cover and the split shell are integrated, a groove is formed in the edge inside the first ear cover, and a boss matched with the groove is formed in the second ear cover.

Preferably, a positioning boss is arranged on the split shell, a notch is formed in the positioning boss, and a threaded hole is formed in the positioning boss; and the split shell is provided with a reinforcing rib, and the reinforcing rib extends downwards from the top of the outer circumferential surface of the split shell and is abutted against the arc surface.

Preferably, a first connecting flange is arranged at the joint of one side of the split shell, a second connecting flange is arranged at the joint of the other side of the split shell, the first connecting flange and the second connecting flange are used for connecting a plurality of split shells end to end, and the first connecting flange and the second connecting flange are integrated with the split shells.

Preferably, a placing groove is formed in the bottom of the split shell.

(III) advantageous effects

The invention has the beneficial effects that: according to the invention, the shell body is divided into the plurality of split shells, and then the plurality of split shells are assembled to form the complete shell body, the process adopts a split structure, the equipment and the die used in production are smaller, the investment cost is lower, meanwhile, the products can be completely stacked and occupy small space when being stacked, and the occupied cost of both transportation and factory buildings is very economic. In addition, the structural strength of the product is more stable and the deformation is small by optimizing the design structure; the support mounting position is designed and positioned, the field mounting of bulk goods delivery can be realized, and the transportation cost is further reduced.

Drawings

FIG. 1 is a perspective view of the overall structure of the preferred embodiment of the present invention;

FIG. 2 is a perspective view of a split housing in a preferred embodiment of the invention;

FIG. 3 is a front view of a split housing in accordance with a preferred embodiment of the present invention;

FIG. 4 is a rear view of the split housing of the preferred embodiment of the present invention;

FIG. 5 is a left side view of the split housing of the preferred embodiment of the present invention;

FIG. 6 is an enlarged view of a portion of FIG. 4 at A;

FIG. 7 is an enlarged view of a portion of FIG. 4 at B;

fig. 8 is a schematic view of stacking of split housings in a preferred embodiment of the invention.

Reference numerals: the shell comprises a shell body 1, a split shell 2, a first protruding part 21, a first concave part 22, a second protruding part 23, a second concave part 24, a first ear cover 25, a groove 251, a second ear cover 26, a boss 261, a positioning boss 27, a notch 271, a first connecting flange 28, a second connecting flange 29, a reinforcing rib 210 and a placing groove 211.

Detailed Description

The technical solutions 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 a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 8, an assembled fan casing includes housing body 1, and housing body 1 is the tube-shape, and its top is link up with the bottom, and housing body 1 detachable is formed by the end to end connection of a plurality of components of a whole that can function independently shell 2.

As a preferred embodiment of the present invention, it may also have the following additional technical features:

in this embodiment, a first protruding portion 21 that is higher than the arc surface and extends outward is disposed at a joint of one side of the split housing 2, a first concave portion 22 that is lower than the arc surface and extends outward is disposed at a joint of the other side of the split housing 2, and the first protruding portion 21 and the first concave portion 22 are used for connecting the split housings 2 end to end.

In this embodiment, the first protruding portion 21 and the first concave portion 22 are formed as a single piece with the separate housing 2, and the first protruding portion 21 is detachably connected to the first concave portion 22. After the first protruding part 21 is connected with the first concave part 22 in a matching way, the plurality of split shells 2 are connected to be flat and can play a role of reinforcing ribs, and meanwhile, the outer side of the shell body 1 is sealed. Specifically, the first protruding portion 21 and the first recessed portion 22 are connected by a bolt.

In this embodiment, a second protruding portion 23 that protrudes outward beyond the outer circumferential surface is disposed at a connection point of one side of the split housing 2, a second concave portion 24 that is lower than the outer circumferential surface and protrudes outward is disposed at a connection point of the other side of the split housing 2, and the second protruding portion 23 and the second concave portion 24 are used for connecting the split housings 2 end to end.

In this embodiment, the second protruding portion 23 and the second concave portion 24 are formed as a single piece with the separate housing 2, and the second protruding portion 23 is detachably connected to the second concave portion 24. After the second protruding part 23 and the second concave part 24 are matched and connected, the plurality of split shells 2 are connected and flattened, and the outer sides of the shell bodies 1 are sealed. Specifically, the second protruding portion 23 and the second recessed portion 24 are connected by a bolt.

In this embodiment, a first ear cover 25 is disposed at an outer side of a joint of one side of the split housing 2, a second ear cover 26 is disposed at an outer side of a joint of the other side of the split housing 2, the first ear cover 25 and the second ear cover 26 are used for connecting the split housings 2 end to end, and the first ear cover 25 and the second ear cover 26 are detachably connected. The first ear cover 25 and the second ear cover 26 are connected in a matching manner, so that whether the section is installed in place or not can be quickly confirmed, the section can be more conveniently detached, and meanwhile, the connection between the shells can be enhanced. Specifically, the first ear cap 25 and the second ear cap 26 are connected by bolts.

In this embodiment, the first ear cover 25 and the second ear cover 26 are integrated with the split housing 2, the inner edge of the first ear cover 25 is provided with the groove 251, and the second ear cover 26 is provided with the boss 261 matched with the groove 251, so that the first ear cover 25 and the second ear cover 26 can be quickly matched and connected together, and meanwhile, the split housing 2 can be kept flat after being connected.

In this embodiment, the split housing 2 is provided with a positioning boss 27, a notch 271 is arranged inside the positioning boss 27, and a threaded hole is arranged on the positioning boss 27; the split housing 2 is provided with a reinforcing rib 210, and the reinforcing rib 210 extends downwards from the top of the outer circumferential surface of the split housing 2 and abuts against the arc surface. The positioning boss 27 plays a role in wall and surface installation and positioning, and meanwhile, the opening of the shutter can be prevented from being influenced by the installation of bolts; the reinforcing ribs 210 enable the structural strength of the product to be more stable and the deformation to be small.

In this embodiment, a first connecting flange 28 is disposed at a connection position of one side of the split housing 2, a second connecting flange 29 is disposed at a connection position of the other side of the split housing 2, the first connecting flange 28 and the second connecting flange 29 are used for connecting the plurality of split housings 2 end to end, and the first connecting flange 28, the second connecting flange 29 and the split housing 2 are an integral piece. When the split shell 2 is spliced, the positioning is convenient, and meanwhile, the first connecting flange 28 and the second connecting flange 29 have the function of reinforcing ribs.

In this embodiment, components of a whole that can function independently shell bottom is provided with standing groove 211, can flush shutter embedding fan and components of a whole that can function independently shell 2, reduces gaseous production return air and causes the windage, is favorable to improving the fan performance.

It is to be noted that 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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 an assembled fan casing, includes housing body (1), housing body (1) is the tube-shape, and its top link up its characterized in that with the bottom: the detachable shell body (1) is formed by connecting a plurality of split shells (2) end to end.

2. The assembled fan casing of claim 1, wherein: the split type shell structure is characterized in that a first protruding portion (21) which is higher than the arc surface and extends outwards is arranged at the joint of one side of the split type shell (2), a first concave portion (22) which is lower than the arc surface and extends outwards is arranged at the joint of the other side of the split type shell (2), and the first protruding portion (21) and the first concave portion (22) are used for connecting the split type shells (2) end to end.

3. The assembled fan casing of claim 2, wherein: the first protruding part (21) and the first concave part (22) are integrated with the split housing (2), and the first protruding part (21) is detachably connected with the first concave part (22).

4. The assembled fan casing of claim 1, wherein: the split type shell is characterized in that a second protruding portion (23) which is higher than the outer circumferential surface and extends outwards is arranged at the joint of one side of the split type shell (2), a second concave portion (24) which is lower than the outer circumferential surface and extends outwards is arranged at the joint of the other side of the split type shell (2), and the second protruding portion (23) and the second concave portion (24) are used for connecting the split type shells (2) end to end.

5. The assembled fan casing of claim 4, wherein: the second protruding part (23) and the second concave part (24) are integrated with the split housing (2), and the second protruding part (23) is detachably connected with the second concave part (24).

6. The assembled fan casing of claim 1, wherein: the utility model discloses a split type shell, including components of a whole that can function independently shell (2), first ear lid (25) are provided with in the components of a whole that can function independently shell (2) one side junction outside, be provided with in the components of a whole that can function independently shell (2) opposite side junction outside with second ear lid (26), first ear lid (25) and second ear lid (26) are used for being connected a plurality of components of a whole that can function independently shell (2) end to end, first ear lid (25) with second ear lid (26) can be dismantled and be connected.

7. The assembled fan casing of claim 6, wherein: the first ear cover (25) and the second ear cover (26) are integrated with the split housing 2, a groove (251) is arranged at the inner edge of the first ear cover (25), and a boss (261) matched with the groove (251) is arranged on the second ear cover (26).

8. The assembled fan casing of claim 1, wherein: a positioning boss (27) is arranged on the split shell (2), a notch (271) is arranged in the positioning boss (27), and a threaded hole is formed in the positioning boss (27); be provided with strengthening rib (210) on components of a whole that can function independently shell (2), strengthening rib (210) follow the outer periphery top of components of a whole that can function independently shell (2) downwardly extends and extends with the arc surface butt.

9. The assembled fan casing of claim 1, wherein: the split type shell is characterized in that a first connecting flange (28) is arranged at the joint of one side of the split type shell (2), a second connecting flange (29) is arranged at the joint of the other side of the split type shell (2), the first connecting flange (28) and the second connecting flange (29) are used for connecting a plurality of split type shells (2) end to end, and the first connecting flange (28) and the second connecting flange (29) are integrated with the split type shell (2).

10. The assembled fan casing of claim 1, wherein: the bottom of the split shell (2) is provided with a placing groove (211).