CN220037049U

CN220037049U - Fan volute

Info

Publication number: CN220037049U
Application number: CN202321081775.7U
Authority: CN
Inventors: 冯友兵; 黄登殿; 王继祥; 王明
Original assignee: Anhui Xiecheng Industrial Co ltd
Current assignee: Anhui Xiecheng Industrial Co ltd
Priority date: 2023-05-06
Filing date: 2023-05-06
Publication date: 2023-11-17
Anticipated expiration: 2033-05-06

Abstract

The utility model relates to the technical field of volutes, in particular to a fan volute, which comprises a side plate I, a side plate II and a coaming, wherein the side plate I and the side plate II are respectively arranged on two sides of the coaming to form a volute structure with an air outlet; the edge of the coaming is rolled by a rolling die to form a rolling structure, and the edge of the side plate I and the edge of the side plate II form folded edges matched with the rolling structure by the die; according to the fan volute, the coaming is adopted as a benchmark in the scheme, the coaming rolling fixing mode is adopted to replace a welding connection mode, so that labor is saved, the working efficiency is improved, and the welding cost is saved; the rolling structure is clamped with the folded edge, and the die is used for one-step molding, so that the sealing of the whole surface is achieved, a zinc layer is not damaged, the sealing is more compact, and a spraying process is not needed; the structure can be completed by using a stamping process, expensive related equipment is not needed, and tooling investment cost is lower.

Description

Fan volute

Technical Field

The utility model relates to the technical field of volutes, in particular to a fan volute.

Background

The spiral case mainly comprises two curb plates, coaming three part, and when the spiral case was produced, first production curb plate and coaming, then adopt the welded mode to link together three spare part and form wholly.

In the prior art, the side plates are connected with the coaming through spot welding, but the welding has a plurality of defects, such as more manual use, low efficiency, strong dependence of people, difficult guarantee of consistency after welding, inconsistent welding distance and incapability of sealing; welding can damage a galvanized layer, and because the sealing is not tight, powder spraying and putty coating processes are needed; therefore, the fan volute is designed, the whole set of volute products do not need additional fixing pieces, and the whole set of volute products are connected and fixed by the structures of the plates to form the volute, so that the purpose of improving the products is achieved.

Disclosure of Invention

Therefore, the utility model aims to provide a fan volute, which solves the problems that when the volute is produced, a welding mode is adopted to connect a side plate and a coaming, the manual welding efficiency is low, the man-hour is more, the sealing cannot be realized, a galvanized layer is damaged, and a spraying process is required.

Based on the above object, the present utility model provides a fan volute, comprising: the side plate I, the side plate II and the coaming are respectively arranged at two sides of the coaming to form a volute structure with an air outlet; the side plate I and the side plate II are respectively provided with a diversion air inlet, the edge of the coaming is rolled by a rolling die to form a rolling structure, the edge of the side plate I and the edge of the side plate II are formed into a folded edge matched with the rolling structure by the die, and the rolling structure is in press riveting and clamping connection with the folded edge to form an integral structure.

Preferably, the rolling structure comprises a bending part arranged on the coaming, the end part of the bending part is connected with a rolling part, and a gap is arranged between the rolling part and the bending part to form a holding space for clamping the folded edge.

Preferably, the folding edge comprises a collision part connected to the first side plate or the second side plate, the collision part is abutted to the bending part, an insertion part is connected to the end of the collision part, and the insertion part is inserted into the accommodating space.

Preferably, the bending part bends towards the outer side of the coaming, and the inserting part bends towards the outer side of the first side plate or the second side plate, so that the edges of the two sides of the coaming wrap the first side plate and the second side plate respectively.

Preferably, the rounded portion is configured to be incompletely rounded such that a circular channel is formed at the center of the rounded portion, and the end of the rounded portion is not in contact with the bent portion.

Preferably, the first side plate, the end part of the second side plate and the two end parts of the coaming are outwards bent to form mounting plates, the mounting plates are connected with mounting connecting plates, and the four mounting plates are connected together by the mounting connecting plates to form a whole.

Preferably, grooves are formed in the inner walls of the first side plate and the second side plate.

Preferably, a mounting block is arranged on the first side plate.

Preferably, the flange connection parts on the side plate I, the side plate II and the coaming are all riveted by Toxos to form a structure for self-connection and fixation.

The utility model has the beneficial effects that: when the volute is produced, two sets of dies are utilized for one-step forming, one set of dies is utilized for generating folded edges of the first side plate and the second side plate, the other set of rolling dies is utilized for generating a rolling structure of the coaming, and meanwhile, the rolling structure and the folded edges are in press riveting and clamping connection to form an integral structure of the volute; according to the fan volute, the coaming is used as a reference, the coaming rolling fixing mode is adopted to replace a welding connection mode, so that the working time is small, the working efficiency is improved, and the welding cost is saved; the rolling structure is clamped with the folded edge, and the die is used for one-step molding, so that the whole surface is sealed, a galvanized layer is not damaged, the sealing is more tight, and a spraying process is not needed; the structure can be completely finished by using a stamping process, expensive related equipment is not required to be input, and the tooling investment cost is lower.

Drawings

In order to more clearly illustrate the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only of the utility model and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is an exploded view of the present utility model;

FIG. 3 is an enlarged view of FIG. 2A in accordance with the present utility model;

FIG. 4 is a structural diagram of a second side plate of the present utility model;

FIG. 5 is an enlarged view of the utility model at B in FIG. 4;

FIG. 6 is a partial structural entity diagram of the present utility model;

fig. 7 is an enlarged view of fig. 5C in accordance with the present utility model.

Marked in the figure as: 1. a first side plate; 2. a second side plate; 3. coaming plate; 4. an air outlet; 5. a diversion air inlet; 6. a rolling structure; 601. a bending part; 602. a rolling part; 6021. a circular channel; 603. an accommodating space; 7. folding edges; 701. a collision part; 702. an insertion section; 8. a mounting piece; 9. installing a connecting plate; 10. a mounting block; 11. a groove.

Detailed Description

The present utility model will be further described in detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent.

Embodiment one:

as shown in fig. 1, 2, 3, 4 and 5, a fan volute comprising: the side plate I1, the side plate II 2 and the coaming 3 are respectively arranged at two sides of the coaming 3 to form a volute structure with an air outlet 4; the side plate I and the side plate II are respectively provided with a diversion air inlet 5, the edges of the coaming 3 are rolled by a rolling die to form a rolling structure 6, the edges of the side plate I and the side plate II are formed into a folded edge 7 matched with the rolling structure 6 by the die, and the rolling structure 6 and the folded edge 7 are mutually pressed and riveted to form an integral structure.

Working principle: when the volute is produced, two sets of dies are used for one-step forming, one set of dies is used for generating the folded edges 7 of the side plate I and the side plate II 2, the other set of rolling dies is used for generating the rolling structure 6 of the coaming 3, and meanwhile, the rolling structure 6 and the folded edges 7 are in press riveting and clamping connection to form the integral structure of the volute; according to the fan volute, the coaming 3 is used as a reference, and a coaming 3 rolling fixing mode is adopted to replace a welding connection mode, so that the working time is small, the working efficiency is improved, and the welding cost is saved; the round rolling structure 6 is clamped with the folded edge 7, and the whole surface is sealed by one-step molding through a die, so that a galvanized layer is not damaged, the sealing is more tight, and a spraying process is not needed; the structure can be completely finished by using a stamping process, expensive related equipment is not required to be input, and the tooling investment cost is lower.

Embodiment two:

as shown in fig. 2 and fig. 3, a fan volute casing, a rolling structure 6 includes a bending portion 601 disposed on a coaming 3, a rolling portion 602 is connected to an end portion of the bending portion 601, the bending portion 601 and the rolling portion 602 are an integral structure formed synchronously, and a gap is disposed between the rolling portion 602 and the bending portion 601 to form a holding space 603 for clamping the flanging 7.

As shown in fig. 2, 4 and 5, a fan volute, the flange 7 includes a abutting portion 701 connected to the first side plate 1 or the second side plate 2, the abutting portion 701 abuts against the bending portion 601, an insertion portion 702 is connected to an end of the abutting portion 701, and the insertion portion 702 is inserted into the accommodating space 603.

As shown in fig. 6 and 7, a fan volute casing is provided, a bending portion 601 is bent towards the outer side of a shroud 3, and an insertion portion 702 is bent towards the outer side of a side plate 1 or a side plate 2, so that edges on two sides of the shroud 3 wrap the side plate 1 and the side plate 2 respectively.

As shown in fig. 2, 3, 6 and 7, a fan volute, a rounded portion 602 is provided to be incompletely rounded such that a circular passage 6021 is formed at the center of the rounded portion 602 and the tip of the rounded portion 602 is not in contact with a bent portion 601.

Working principle: according to the scheme, the coaming 3 is used as a reference, and a mode of circle rolling and fixing of the coaming 3 is adopted to replace a welding connection mode; when the spiral case is produced, the rolling structure 6 and the folded edge 7 are required to be clamped, the bent part 601 bends towards the outer side of the coaming 3, the abutting part 701 bends towards the outer side of the side plate I1 or the side plate II 2, the abutting part 701 is forced to abut against the bent part 601, the rolling part 602 is synchronously rolled into a circular channel 6021, the tail end of the rolling part 602 is not contacted with the bent part 601 to form a containing space 603, the inserting part 702 is bent and inserted into the containing space 603, the bent part 601 and the rolling part 602 are clamped with the inserting part 702 to form the rolling part 602 and the bent part 601 to wrap the abutting part 701 and the inserting part 702, edges on two sides of the coaming 3 wrap the side plate I1 and the side plate II 2, and the rolling die and the folded edge 7 form clamping, so that a rolling fixing mode between the coaming 3 and the side plate I1 and the side plate II 2 is realized; in conclusion, the round rolling structure 6 is clamped with the folded edge 7, and the whole surface is sealed by one-step molding through a die, so that a galvanized layer is not damaged, the sealing is more tight, and a spraying process is not needed; the structure can be completely finished by using a stamping process, expensive related equipment is not required to be input, and the tooling investment cost is lower; the coaming 3 is used as a reference, the coaming 3 is adopted to be rolled into a round fixing mode, a welded connection mode is replaced, the working time is small, the working efficiency is improved, and the welding cost is saved.

Embodiment III:

as shown in fig. 1 and 2, in a fan volute, the end parts of a side plate 1 and a side plate 2 and the two end parts of a coaming 3 are outwards bent to form a mounting plate 8, a mounting connection plate 9 is connected to the mounting plate 8, and the four mounting plates 8 are connected together by the mounting connection plate 9 to form a whole.

As shown in fig. 1 and 4, a fan volute is provided, and grooves 11 are formed in the inner walls of a side plate 1 and a side plate 2.

As shown in fig. 1 and 2, a fan volute is provided with a mounting block 10 on a side plate 1.

As shown in fig. 1, 2, 4 and 6, the flange connection parts on the first side plate 1, the second side plate 2 and the coaming 3 of the fan volute are all riveted by tokes to form a structure for self-connection and fixation.

Working principle: the end parts of the side plate I and the side plate II 2 and the two end parts of the coaming 3 are outwards bent to form mounting sheets 8, the number of the mounting sheets 8 is four, the mounting sheets are mutually symmetrically arranged, and the mounting connecting plates 9 are integrally formed through Toxose riveting, so that the coaming 3 is more tightly connected with the side plate I and the side plate II 2, and the tightness and the connectivity of the device are improved; during installation, the installation connecting plate 9 is fixedly connected to corresponding equipment, and meanwhile, the installation connecting plate is installed on the corresponding equipment by using the installation block 10, so that the installation of workers is facilitated; the grooves 11 formed on the first side plate 1 and the second side plate 2 can improve the wind direction in the interior, change the internal space, and form protruding parts corresponding to the grooves 11 from the outside to improve the appearance; to sum up, setting up of mounting plate 8 and installation connecting plate 9 makes the coaming 3 and curb plate 1, curb plate 2 between be connected inseparabler, realizes synchronous installation coaming 3 and curb plate 1, curb plate 2, and the setting of installation piece 10 is convenient for the staff to aim at spiral case and equipment, does benefit to the staff to the installation of spiral case.

According to the scheme, the side plate I1 and the side plate II 2 are connected with the coaming 3 through the rolling structure 6 and the folded edge 7, the flange connection part is riveted through the Toxos, the whole product does not need additional fixing pieces, and the whole product is self-connected and fixed through the structure of the plate, so that the welding cost is saved.

Those of ordinary skill in the art will appreciate that: the discussion of any of the embodiments above is merely exemplary and is not intended to suggest that the scope of the utility model (including the claims) is limited to these examples; the technical features of the above embodiments or in the different embodiments may also be combined within the idea of the utility model, the steps may be implemented in any order and there are many other variations of the different aspects of the utility model as described above, which are not provided in detail for the sake of brevity.

The present utility model is intended to embrace all such alternatives, modifications and variances which fall within the broad scope of the appended claims. Therefore, any omission, modification, equivalent replacement, improvement, etc. of the present utility model should be included in the scope of the present utility model.

Claims

1. A blower volute, comprising: the side plate I (1), the side plate II (2) and the coaming (3), wherein the side plate I (1) and the side plate II (2) are respectively arranged at two sides of the coaming (3) to form a volute structure with an air outlet (4); the novel structure is characterized in that a diversion air inlet (5) is formed in each of the first side plate (1) and the second side plate (2), the edge of the coaming (3) is rolled through a rolling die to form a rolling structure (6), the edges of the first side plate (1) and the second side plate (2) are formed into a folded edge (7) matched with the rolling structure (6) through the die, and the rolling structure (6) is in pressing riveting and clamping connection with the folded edge (7) to form an integral structure.

2. A fan volute according to claim 1, characterized in that the rounding structure (6) comprises a bending part (601) arranged on the coaming (3), the end part of the bending part (601) is connected with a rounding part (602), and a gap is arranged between the rounding part (602) and the bending part (601) to form a containing space (603) for clamping the folded edge (7).

3. A fan volute according to claim 2, wherein the flange (7) comprises a collision part (701) connected to the first side plate (1) or the second side plate (2), the collision part (701) is abutted to the bending part (601), an insertion part (702) is connected to an end of the collision part (701), and the insertion part (702) is inserted into the accommodating space (603).

4. A fan volute according to claim 3, wherein the bending portion (601) is bent towards the outer side of the shroud (3), and the insertion portion (702) is bent towards the outer side of the first side plate (1) or the second side plate (2), so that edges on both sides of the shroud (3) wrap the first side plate (1) and the second side plate (2), respectively.

5. A fan volute according to claim 2, wherein the rounded portion (602) is arranged to be incompletely rounded such that a circular channel (6021) is formed at the center of the rounded portion (602), and the tip of the rounded portion (602) is not in contact with the bent portion (601).

6. The fan volute according to claim 1, wherein the end parts of the first side plate (1) and the second side plate (2) and the two end parts of the surrounding plate (3) are bent outwards to form mounting plates (8), the mounting plates (8) are connected with mounting connection plates (9), and the four mounting plates (8) are connected together by the mounting connection plates (9) to form a whole.

7. The fan volute of claim 1, wherein the inner walls of the first side plate (1) and the second side plate (2) are provided with grooves (11).

8. A fan volute according to claim 1, wherein the first side plate (1) is provided with a mounting block (10).

9. The fan volute of claim 1, wherein the flange joints on the first side plate (1), the second side plate (2) and the surrounding plate (3) are all riveted by tox to form a structure for self-connection and fixation.