CN213116855U - High-sealing range hood volute - Google Patents
High-sealing range hood volute Download PDFInfo
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- CN213116855U CN213116855U CN202021860549.5U CN202021860549U CN213116855U CN 213116855 U CN213116855 U CN 213116855U CN 202021860549 U CN202021860549 U CN 202021860549U CN 213116855 U CN213116855 U CN 213116855U
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- cover plate
- sealing
- edge
- range hood
- lower cover
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Abstract
A high-sealing range hood volute belongs to the technical field of range hoods. The device comprises an upper cover plate, a curved surface edge covering, a lower cover plate and a flange edge; the upper cover plate and the lower cover plate are respectively arranged at the upper end and the lower end of the edge cover, the outer sides of the upper cover plate and the lower cover plate are respectively formed with the upper end and the lower end of the edge cover in a rolling mode to form an open cavity structure, the open end of the open cavity structure is fixedly connected with the flange edge, and a surface sealing reserved area and a sealing groove are arranged on the outer side end face of the flange edge. The utility model forms an integral structure between the upper and lower cover plates and the edge cover by adopting a roll forming mode, thereby ensuring the strength of the integral structure and the sealing performance of the structure; through having seted up the seal groove, when keeping original face seal installation region, increased line seal mounting structure, avoid the spiral case under the long-term vibration operational environment of turbine, produce sealed unstable phenomenon, and then reduce the vibration aggravation, the noise increase scheduling problem that arouse from this.
Description
Technical Field
The utility model belongs to the technical field of range hood, concretely relates to high leakproofness range hood spiral case.
Background
Along with the improvement of quality of life, the function of lampblack absorber is also becoming humanized and convenient day by day, and wherein, the convenience of the clean process of lampblack absorber has been promoted greatly to the self-cleaning function of lampblack absorber spiral case, fan. The operation mode of the integrated kitchen range is that high-temperature steam oil-melting synchronous hot water flushing, high-pressure hot water circular flushing and high-speed oil throwing are carried out, so that the requirement on the sealing performance of the volute is high, oil drops can leak from a welding seam if the sealing performance is poor, the oil drops cannot flow into an oil cup along an inner cavity, and pollution is caused to the integrated kitchen range and the kitchen.
The cover plate and the side edge of the volute of the existing range hood are connected by welding, the cover plate and the side edge are easily deformed by internal stress generated in the welding process, the integral strength of the structure is influenced, and the welding tightness cannot be ensured; in addition, adopt the plane sealing strip to carry out face seal processing between present spiral case flange limit mounting surface and the external component connection terminal surface usually, in range hood turbine working process, can produce the vibration, long-term the use can influence the sealing stability between spiral case flange limit mounting surface and the external component mounting surface, and then influences the flow of the air current that flows in the spiral case, causes the air current unstable for vibration aggravation, the noise increase during range hood operation.
SUMMERY OF THE UTILITY MODEL
To the above-mentioned problem that exists among the prior art, the utility model aims to provide a range hood spiral case that structural strength is high, sealing performance is good.
The utility model provides a following technical scheme: a high-sealing range hood volute is characterized by comprising an upper cover plate, a curved surface edge covering, a lower cover plate and a flange edge;
the upper cover plate and the lower cover plate are respectively arranged at the upper end and the lower end of the edge cover, the outer sides of the upper cover plate and the lower cover plate respectively form an open cavity structure with the upper end and the lower end of the edge cover in a rolling forming mode, the open end of the open cavity structure is fixedly connected with one end of the flange edge, and a surface sealing reserved area and a sealing groove are formed in the end face of the other end of the flange edge.
The high-sealing range hood volute is characterized in that the peripheries of the outer sides of the upper cover plate and the lower cover plate are matched with the longitudinal section of the flange edge in shape.
The high-sealing range hood volute is characterized in that the opening end of the opening cavity structure and the flange edge are fixed in a sealing and riveting mode.
The high-sealing range hood volute is characterized in that the sealing groove is of an annular structure.
The high-sealing range hood volute is characterized in that the lower part of the cross section of the sealing groove is of a rectangular structure, the upper part of the cross section of the sealing groove is of an inverted V-shaped inclined structure, and the top end of the upper part of the cross section of the sealing groove is provided with a straight section structure.
The high-sealing range hood volute is characterized in that a sealing strip matched with the cross section of the sealing groove in shape is placed in the sealing groove.
Through adopting above-mentioned technique, compare with prior art, the beneficial effects of the utility model are as follows:
in the utility model, an integral structure is formed between the upper cover plate and the lower cover plate and the edge covering by adopting a roll forming mode, so that the stress deformation between the upper cover plate and the edge covering due to the internal stress generated by a welding connection mode is avoided, and the strength of the integral structure between the upper cover plate and the edge covering and the sealing performance of the structure are ensured; by arranging the sealing groove, the linear sealing mounting structure is added while the original surface sealing mounting area is kept, so that the phenomenon that the volute is unstable in sealing under the long-term vibration working environment of the turbine is avoided, and the problems of vibration aggravation, noise increase and the like caused by the unstable sealing are further reduced; and the upper part of the linear sealing cross section structure is of an inverted V-shaped inclined structure, so that the sealing strip can be prevented from falling off, the sealing strip is convenient to extrude and install, the top end of the upper part of the linear sealing cross section structure is provided with a straight section structure, and the head of the sealing strip is convenient to keep a vertical state during sealing installation.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is the utility model discloses a sealing strip and seal groove mounting structure sketch map.
In the figure: 101. an upper cover plate; 102. edge covering; 103. a lower cover plate; 104. a flange edge; 2. a sealing groove; A. the face seals the reserved area.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments of the specification. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
On the contrary, the invention is intended to cover alternatives, modifications, equivalents and alternatives which may be included within the spirit and scope of the invention as defined by the appended claims. Furthermore, in order to provide a better understanding of the present invention to the public, certain specific details are set forth in the following detailed description of the invention. It will be apparent to those skilled in the art that the present invention may be practiced without these specific details.
Referring to fig. 1-2, a volute of a high-sealing range hood includes an upper cover plate 101, a curved edge 102, a lower cover plate 103, and a flange 104.
The upper cover plate 101 and the lower cover plate 103 are respectively arranged at the upper end and the lower end of the covered edge 102, the outer side shapes of the upper cover plate 101 and the lower cover plate 103 are matched with the shape of the longitudinal section of the flange edge 104, an open cavity structure is formed in a processing mode of roll forming, the open end of the open cavity structure is fixed on the end face of one side of the flange edge 104 in a sealing and riveting mode, and the upper cover plate 101 is provided with a turbine installation through hole.
A face seal reserved area A and a seal groove 2 are arranged on the end face of the other side of the flange edge 104, and the face seal reserved area A is used for mounting a face seal strip conveniently; the sealing groove 2 is of an annular structure, a sealing strip is placed inside the sealing groove 2 and is installed in the sealing groove 2 in an extrusion mode, and the cross section shape of the sealing strip is matched with that of the sealing groove 2.
The lower part of the cross section of the sealing groove (2) is of a rectangular structure, the upper part of the cross section of the sealing groove is of an inverted V-shaped inclined structure, the sealing strip is convenient to extrude and install, the top end of the upper part of the sealing groove is provided with a straight section structure, and the head of the sealing strip is convenient to keep in a vertical state.
According to the technical scheme, the upper cover plate 101, the curved surface wrapping edge 102 and the lower cover plate 103 are rolled to form a whole, so that the internal stress deformation of the structure caused by welding connection is reduced, the strength of the structure is ensured, and the sealing performance of the whole structure is also ensured.
According to the technical scheme, on the premise that an original surface sealing installation area is reserved, a line sealing structure is additionally arranged, the problem that the installation sealing stability of the volute cannot be guaranteed in the long-term vibration working environment of the turbine, so that the flow of induced airflow in the volute is influenced, the airflow is unstable, the problems of vibration aggravation, noise increase and the like during the operation of the range hood are caused, and the sealing stability of the structure is improved;
and 2 cross section structural upper portions of seal groove are "eight" style of calligraphy slope structure, can prevent that the sealing strip from droing, and the extrusion installation of the sealing strip of being convenient for, and the top on upper portion is equipped with straight section structure, and the head of the sealing strip of being convenient for keeps vertical state when sealed installation.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A high-sealing range hood volute is characterized by comprising an upper cover plate (101), a curved surface edge covering (102), a lower cover plate (103) and a flange edge (104);
the upper cover plate (101) and the lower cover plate (103) are respectively arranged at the upper end and the lower end of the edge covering (102), the outer sides of the upper cover plate (101) and the lower cover plate (103) are respectively formed with the upper end and the lower end of the edge covering (102) in a rolling manner to form an open cavity structure, the open end of the open cavity structure is fixedly connected with one end of the flange edge (104), and a surface sealing reserved area (A) and a sealing groove (2) are arranged on the end face of the other end of the flange edge (104).
2. The spiral casing of the range hood with high sealing performance according to claim 1, wherein the shape of the outer periphery of the upper cover plate (101) and the lower cover plate (103) is matched with the shape of the longitudinal section of the flange edge (104).
3. The spiral casing of the range hood with high sealing performance according to claim 1, wherein the opening end of the open cavity structure is sealed and riveted with the flange edge (104).
4. The volute of the range hood with high sealing performance according to claim 1, wherein the sealing groove (2) has an annular structure.
5. The spiral case of the range hood with high sealing performance according to claim 4, wherein the lower part of the cross section of the sealing groove (2) is of a rectangular structure, the upper part is of an inclined structure in the shape of a Chinese character 'ba', and the top end of the upper part is provided with a straight section structure.
6. The spiral casing of the range hood with high sealing performance according to claim 5, wherein a sealing strip matching with the cross-sectional shape of the sealing groove (2) is disposed in the sealing groove (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021860549.5U CN213116855U (en) | 2020-08-31 | 2020-08-31 | High-sealing range hood volute |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021860549.5U CN213116855U (en) | 2020-08-31 | 2020-08-31 | High-sealing range hood volute |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213116855U true CN213116855U (en) | 2021-05-04 |
Family
ID=75658184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021860549.5U Active CN213116855U (en) | 2020-08-31 | 2020-08-31 | High-sealing range hood volute |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213116855U (en) |
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2020
- 2020-08-31 CN CN202021860549.5U patent/CN213116855U/en active Active
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