CN212985624U - Fan volute with novel structure - Google Patents
Fan volute with novel structure Download PDFInfo
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- CN212985624U CN212985624U CN202021994724.XU CN202021994724U CN212985624U CN 212985624 U CN212985624 U CN 212985624U CN 202021994724 U CN202021994724 U CN 202021994724U CN 212985624 U CN212985624 U CN 212985624U
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Abstract
The utility model discloses a novel fan volute, which comprises a volute wall plate, a volute top cover and a volute bottom cover, wherein the upper end and the lower end of the volute wall plate are respectively detachably connected with the volute top cover and the volute bottom cover; the volute top cover and the volute bottom cover are respectively provided with a clamping groove at the connection part with the upper end and the lower end of the volute enclosing plate; the edges of the volute top cover and the volute bottom cover extend outwards and are respectively provided with a first mounting foot and a second mounting foot; a connecting column is arranged between the first mounting foot and the second mounting foot. The utility model has simple structure and reasonable design, and consists of a volute top cover and a volute bottom cover which are molded and a metal piece volute wall plate which is secondarily processed and has adjustable height; adopt removable and screw and spliced pole spiro union's structural design, highly realizing a plurality of highly different through changing the spiral case bounding wall through one set of mould, the production of the same fan spiral case of diameter, not only the die sinking cost is low, low in production cost, production efficiency is high moreover, and the product is firm reliable.
Description
Technical Field
The utility model relates to a ventilation technology field especially relates to a fan spiral case of novel structure.
Background
The existing centrifugal fan is widely used for cooling and ventilating air conditioning equipment and some household electrical appliances, and because of the special function of the existing centrifugal fan, the existing centrifugal fan mostly adopts a volute profile structure as a shell of a machine body, namely a volute, and the volute consists of a volute top cover, a volute coaming plate and a volute bottom cover;
in the prior art, the first type of the fan volute adopts a structure that a volute top cover or a volute bottom cover is integrally molded with a volute enclosing plate, and the other volute top cover or the other volute floor is connected with the other end of the volute enclosing plate; the second structure adopts a plastic volute surrounding plate, a metal volute bottom cover and a volute top cover which are connected by three independent components;
the fan volutes with the two structures are influenced by the volute coaming plates and the whole structure thereof, and the corresponding molds meeting the requirements are matched for the fan volutes with different heights and the same diameter and with the fan volutes with different heights and the same diameter; the general structural design can not be adopted, and the production of the fan volute of the type with different heights and the same diameter can be realized by changing the height of the volute enclosing plate, so that the die sinking cost is high, and the production cost is increased;
in addition, the volute top cover and the volute bottom cover which are made of metal materials need to be flanged and connected with the volute enclosing plate through screws, the manufacturing process is complex, the connection is not stable, the production efficiency is low, and the labor cost is high.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model aims to provide a fan spiral case with a novel structure, which has the advantages of simple structure, reasonable design, low die sinking cost, low production cost and firm and reliable product.
The utility model discloses the technical scheme who adopts as follows:
a fan volute with a novel structure is characterized by comprising a volute enclosing plate, a volute top cover and a volute bottom cover, wherein the upper end and the lower end of the volute enclosing plate are detachably connected with the volute top cover and the volute bottom cover respectively; the volute top cover and the volute bottom cover are arranged in parallel and are perpendicular to the volute enclosing plate;
the volute top cover and the volute bottom cover are respectively provided with a clamping groove at the connection part with the upper end and the lower end of the volute enclosing plate; the clamping groove is connected with the upper end and the lower end of the volute enclosing plate in a clamping manner;
the edge of the volute top cover extends outwards to form two or more first mounting feet; the edge of the volute bottom cover extends outwards and is provided with two or more second mounting feet; the first mounting foot and the second mounting foot are arranged correspondingly;
a connecting column is arranged between the first mounting foot and the second mounting foot; the connecting column is arranged corresponding to the first mounting foot and the second mounting foot.
Preferably, the volute top cover and the volute bottom cover are injection molded parts, and the volute coaming is a metal part formed by secondary processing; the height of the volute casing enclosing plate is adjustable.
Preferably, the upper surface and the lower surface of each of the first mounting foot and the second mounting foot are provided with mounting grooves with square structures; the cross section of the connecting column is square as the same as the shape of the mounting groove; one end of the connecting column is in clearance fit with the mounting groove of the first mounting foot, and the other end of the connecting column is in clearance fit with the mounting groove of the second mounting foot.
Preferably, the connecting column is fixed with the first mounting foot and the second mounting foot through screws.
Compared with the prior art, the beneficial effects of the utility model reside in that:
the utility model has simple structure and reasonable design, and consists of a volute top cover and a volute bottom cover which are molded and a metal piece volute wall plate which is secondarily processed and has adjustable height; the connecting parts of the volute top cover, the volute bottom cover and the upper end and the lower end of the volute enclosing plate are respectively provided with a clamping groove, so that the volute enclosing plate, the volute top cover and the volute bottom cover adopt a detachable clamping structure design; simultaneously, the edges of the volute top cover and the volute bottom cover extend outwards to be respectively provided with a first mounting foot and a second mounting foot, and the connecting columns are arranged to be respectively connected with the first mounting foot and the second mounting foot through screws, so that the volute top cover, the volute enclosing plate and the volute bottom cover are connected into a whole to form the fan volute.
Drawings
FIG. 1 is an exploded view of the structure of the present invention;
FIG. 2 is a schematic structural diagram of a top cover and a bottom cover of a volute according to the present invention;
FIG. 3 is an enlarged partial schematic view at A in FIG. 2;
FIG. 4 is an enlarged partial schematic view at B of FIG. 2;
Detailed Description
In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "front," "back," "left," "right," "up," "down," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention will be further described with reference to the accompanying drawings and specific embodiments:
as shown in fig. 1-4, a blower volute with a novel structure is characterized by comprising a volute enclosing plate 1, a volute top cover 2 and a volute bottom cover 3, wherein the upper end and the lower end of the volute enclosing plate 1 are detachably connected with the volute top cover 2 and the volute bottom cover 3 respectively; the volute top cover 2 and the volute bottom cover 3 are arranged in parallel and are perpendicular to the volute enclosing plate 1.
The volute top cover 2 and the volute bottom cover 3 are respectively provided with a clamping groove 5 at the connection part with the upper end and the lower end of the volute enclosing plate 1; the clamping groove 5 is connected with the upper end and the lower end of the volute casing enclosing plate 1 in a clamping mode.
Two or more first mounting feet 21 extend outwards from the edge of the volute top cover 2; the edge of the volute bottom cover 3 extends outwards to form two or more second mounting feet 31; the first mounting leg 21 and the second mounting leg 31 are correspondingly disposed.
A connecting column 4 is arranged between the first mounting foot 21 and the second mounting foot 31; the connecting column 4 is arranged corresponding to the first mounting leg 21 and the second mounting leg 31.
Further, the volute top cover 2 and the volute bottom cover 3 are injection molded parts, and the volute enclosing plate 1 is a metal part formed by secondary processing; the height of the volute casing enclosing plate 1 is adjustable; the volute coaming 1 with the corresponding height can be matched according to the height of the fan volute to be produced; the volute casing boarding 1 can be formed by a simple stamping and winding processing method, and the height can be finished by a shearing process by selecting metal plates with different heights; the die opening is not needed, and the production cost is reduced.
Further, as shown in fig. 3 and 4, the upper and lower surfaces of the first mounting leg 21 and the second mounting leg 31 are both provided with mounting grooves 6 with square structures; the cross section of the connecting column 4 is square as the same as the mounting groove 6; one end of the connecting column 4 is in clearance fit with the mounting groove 6 of the first mounting leg 2, and the other end is in clearance fit with the mounting groove 6 of the second mounting leg 31.
Further, as shown in fig. 3 and 4, the connecting column 4 is fixed to the first mounting leg 21 and the second mounting leg 31 by screws.
In this embodiment, the square structures of the mounting groove 6 and the connecting column 4 can prevent the screw from rotating relative to the mounting groove 6 during screwing, so as to improve the matching firmness of the screw and the mounting groove 6.
The processing and installing steps of the fan volute with the structure are as follows:
the method comprises the following steps: cooling the diameter of the volute of the fan to manufacture a volute top cover 2 and a volute bottom cover 3 and manufacturing a volute enclosing plate 1 according to the height of the volute of the fan and the height of the volute enclosing plate 1;
step two: the upper end and the lower end of the manufactured volute enclosing plate 1 are clamped with the mounting grooves 6 in the volute top cover 2 and the volute bottom cover 3; meanwhile, a connecting column 4 is arranged between each first mounting foot 21 and each second mounting foot 31 until the two ends of the connecting column 4 are connected with the mounting grooves 6 of the first mounting foot 21 and the second mounting foot 31;
step three: the volute top cover 2 and the volute bottom cover 3 are fixed with the connecting column 4 through screws, and then the manufacturing of the fan volute is completed.
In the embodiment, the volute casing structure is simple in structure and reasonable in design, and consists of a volute casing top cover 2 and a volute casing bottom cover 3 which are molded and a metal piece volute casing enclosing plate 1 which is formed by secondary machining and is adjustable in height; the connecting parts of the volute top cover 2 and the volute bottom cover 3 and the upper end and the lower end of the volute enclosing plate 1 are respectively provided with a clamping groove 5, so that the volute enclosing plate 1, the volute top cover 2 and the volute bottom cover 3 adopt a detachable clamping structure design; simultaneously outwards extend out at the edge of spiral case top cap 2 and spiral case bottom 3 and set up respectively by first installation foot 21 and second installation foot 31, set up spliced pole 4 and be connected 31 with first installation foot 21 and second installation foot respectively through the screw, make spiral case top cap 2, spiral case bounding wall 1 and spiral case bottom 3 connect as an organic whole and form the fan spiral case, the fan spiral case of this structure can realize a plurality of highly different through the height that changes spiral case bounding wall 1 through one set of mould, the production of the same fan spiral case of diameter, not only the die sinking cost is low, low in production cost, and production efficiency is high, the product is firm reliable.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the present invention.
Claims (4)
1. A fan volute with a novel structure is characterized by comprising a volute enclosing plate, a volute top cover and a volute bottom cover, wherein the upper end and the lower end of the volute enclosing plate are detachably connected with the volute top cover and the volute bottom cover respectively; the volute top cover and the volute bottom cover are arranged in parallel and are perpendicular to the volute enclosing plate;
the volute top cover and the volute bottom cover are respectively provided with a clamping groove at the connection part with the upper end and the lower end of the volute enclosing plate; the clamping groove is connected with the upper end and the lower end of the volute enclosing plate in a clamping manner;
the edge of the volute top cover extends outwards and is provided with two or more first mounting feet; the edge of the volute bottom cover extends outwards and is provided with two or more second mounting feet; the first mounting foot and the second mounting foot are arranged correspondingly;
a connecting column is arranged between the first mounting foot and the second mounting foot; the connecting column is arranged corresponding to the first mounting foot and the second mounting foot.
2. The blower volute with the novel structure as claimed in claim 1, wherein the volute top cover and the volute bottom cover are injection molded parts, and the volute enclosing plate is a metal part which is formed by secondary machining; the height of the volute casing enclosing plate is adjustable.
3. The blower volute casing with the novel structure as claimed in claim 1, wherein mounting grooves with square structures are formed in the upper and lower surfaces of the first mounting leg and the second mounting leg; the cross section of the connecting column is square as the same as the shape of the mounting groove; one end of the connecting column is in clearance fit with the mounting groove of the first mounting foot, and the other end of the connecting column is in clearance fit with the mounting groove of the second mounting foot.
4. The blower volute casing with a novel structure according to claim 1, wherein the connecting column is fixed with the first mounting leg and the second mounting leg through screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021994724.XU CN212985624U (en) | 2020-09-15 | 2020-09-15 | Fan volute with novel structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021994724.XU CN212985624U (en) | 2020-09-15 | 2020-09-15 | Fan volute with novel structure |
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| Publication Number | Publication Date |
|---|---|
| CN212985624U true CN212985624U (en) | 2021-04-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021994724.XU Active CN212985624U (en) | 2020-09-15 | 2020-09-15 | Fan volute with novel structure |
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| CN (1) | CN212985624U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952044A (en) * | 2022-05-13 | 2022-08-30 | 重庆银河试验仪器有限公司 | Self-align clamping shaping structure |
-
2020
- 2020-09-15 CN CN202021994724.XU patent/CN212985624U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114952044A (en) * | 2022-05-13 | 2022-08-30 | 重庆银河试验仪器有限公司 | Self-align clamping shaping structure |
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