CN220816000U

CN220816000U - Commercial kitchen utensils and appliances fan casing

Info

Publication number: CN220816000U
Application number: CN202321784279.8U
Authority: CN
Inventors: 刘家兴
Original assignee: Foshan Shunde Nianxun Electric Co ltd
Current assignee: Foshan Shunde Nianxun Electric Co ltd
Priority date: 2023-07-06
Filing date: 2023-07-06
Publication date: 2024-04-19
Anticipated expiration: 2033-07-06

Abstract

According to the commercial kitchen ware fan housing, the design that the bracket component and the fan housing are integrally formed is adopted, the structural strength of the motor bracket and the fan housing is high, the connection part of the bracket component and the fan housing is not easy to damage in the operation process of the fan, the bracket component and the fan housing cannot be separated, the fan is not easy to damage, the normal operation of the fan is ensured, the safety performance of the fan is improved, and the maintenance cost of the fan is reduced.

Description

Commercial kitchen utensils and appliances fan casing

Technical Field

The utility model relates to the technical field of fan accessories, in particular to a commercial kitchen ware fan shell.

Background

Patent CN201520073230.0 discloses a commercial kitchen ventilator, comprising a ventilator housing with an air outlet on the side, an air inlet on the top, and a motor on the bottom, wherein the ventilator housing comprises an upper housing and a lower housing which are covered up and down, the outer edge of the bottom opening of the upper housing extends outwards to form a first flanging, and the outer edge of the top opening of the lower housing extends outwards to form a second flanging; the second flanging is bent upwards or the first flanging is bent downwards to form a buckling part with a U-shaped section, and the buckling part buckles the first flanging or the second flanging in the buckling part, so that the upper shell and the lower shell are fixedly connected.

The motor support is fixedly connected with the lower shell through rivets, so that the existing commercial kitchen ware fan shell is known, the motor support and the fan shell are detachably connected through the connecting mode of the rivet or the screw and the like, the motor support and the fan shell are low in structural strength, the fan is easy to damage in the operation process, the motor support is separated from the fan shell, damage to the fan is caused, and the maintenance cost of the fan is high.

The utility model is researched and proposed for overcoming the defects of the prior art.

Disclosure of utility model

To the above-mentioned commercial kitchen utensils and appliances fan among the prior art have the connected mode realization of connecting piece through rivet or screw etc. and dismantle the connection between motor support and the fan casing, motor support and fan casing's structural strength is lower, and the fan is at the operation in-process, and motor support and fan casing junction's connecting piece is fragile, makes motor support and fan casing separation, causes the technical problem that the condition of fan damage took place.

The technical scheme adopted for solving the technical problems is as follows:

The utility model provides a commercial kitchen utensils and appliances fan casing, includes fan housing and support part, the fan housing is used for assembling impeller subassembly, support part is used for connecting drive assembly, one side of fan housing is located to support part, and support part and fan housing are integrated into one piece structure.

The commercial kitchen ware fan housing comprises a plurality of connecting parts, wherein one end of each connecting part is arranged on the fan housing, and the other end of each connecting part is provided with a connecting assembly capable of being connected with the driving part.

A plurality of connecting parts are circumferentially distributed in an array manner in the commercial kitchen ware fan housing.

The commercial kitchen ware fan housing is characterized in that the connecting part is a supporting column.

The commercial kitchen ware fan housing is characterized in that a plurality of support columns are perpendicular to the fan housing.

The commercial kitchen ventilator shell comprises the connecting components and the second connecting holes, wherein the second connecting holes are formed in one ends of the supporting columns, which are connected with the driving components, and the connecting components penetrate through the driving components and are connected with the second connecting holes.

According to the commercial kitchen ware fan shell, each supporting column is further provided with the positioning assembly, and the driving component can be positioned and assembled on the supporting columns.

The utility model provides a commercial kitchen utensils and appliances fan casing, the locating component includes connection terminal surface and location arch, the connection terminal surface is located on the support column and the one end that drive component is connected, the location arch is located on the connection terminal surface, and upwards protrudes, and both form the screens, drive component offsets with the connection terminal surface, the part lateral wall of drive component offsets towards drive component with the location arch.

The commercial kitchen ware fan housing is characterized in that the positioning protrusions are arc-shaped.

A commercial kitchen ware fan housing as described above, the fan housing comprising an upper housing and a lower housing, the upper housing being removably attachable to the lower housing.

The beneficial effects of the utility model are as follows:

The utility model will be further described with reference to the drawings and detailed description.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic top view of the present utility model;

FIG. 3 is a schematic side view of the present utility model;

FIG. 4 is an exploded view of the present utility model;

FIG. 5 is a schematic view of the assembled drive member and impeller assembly of the present utility model;

FIG. 6 is an exploded view of the present utility model assembled with the drive member and impeller assembly;

FIG. 7 is a schematic side view of the assembled drive member and impeller assembly of the present utility model;

Fig. 8 is a schematic cross-sectional view of fig. 7 along line A-A.

Detailed Description

Embodiments of the present utility model will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1 to 8, a commercial kitchen ventilator housing in the present embodiment includes a ventilator housing 1 and a bracket component 2, where the ventilator housing 1 is used for assembling an impeller assembly 4, the bracket component 2 is used for connecting a driving assembly, the bracket component 2 is disposed on one side of the ventilator housing 1, and the bracket component 2 and the ventilator housing 1 are in an integrated structure;

According to the commercial kitchen ware fan housing, the design that the bracket part 2 and the fan housing 1 are integrally formed is adopted, the structural strength of the motor bracket and the fan housing is high, the connection part of the bracket part 2 and the fan housing 1 is not easy to damage in the operation process of the fan, the bracket part 2 and the fan housing 1 are not separated, the fan is not easy to damage, the normal operation of the fan is ensured, the safety performance of the fan is improved, and the maintenance cost of the fan is reduced;

and there is not the connecting piece between support part 2 and the fan shell 1, can reduce the spare part quantity of fan, reduce the manufacturing cost of fan, and can avoid the less spare part of volume to lose the condition, further reduce the maintenance cost of fan.

Further, the bracket component 2 and the fan housing 1 are integrally formed, so that vibration in the operation process of the fan can be reduced to a certain extent, the dynamic balance performance of the fan can be improved through the integrally formed structure, stable operation can be kept even when the driving component 3 and the impeller component 4 rotate at a high speed, and abnormal vibration is reduced.

As shown in fig. 1 to 8, the bracket member 2 in the present embodiment includes a plurality of connection portions, one end of each of which is provided on the blower housing 1, and the other end is provided with a connection assembly capable of being connected to the driving member 3.

As shown in fig. 1 to 8, in this embodiment, a plurality of connection portions are distributed in a circumferential array, preferably, an avoidance hole for avoiding an output end of the driving component 3 is formed in the blower housing 1, and the plurality of connection portions are distributed in a circumferential array with a center of the avoidance hole as a center, so that the blower housing has the following advantages:

1. Structural stability: the circumferentially-arrayed connection portions are uniformly distributed in all directions, and better structural stability can be provided.

2. Equalizing the load: the connecting parts distributed in the circumferential array can uniformly share the load, and uneven stress distribution among the connecting parts is reduced.

3. Aesthetic properties: the connecting portions distributed in the circumferential array can present more uniform and symmetrical appearance, and the attractive appearance of the fan shell can be improved.

4. Space efficiency: the connecting parts distributed in the circumferential array can more effectively utilize the assembly space on the fan shell, so that the structure of the fan is more compact, and the volume of the fan is effectively reduced.

As shown in fig. 1 to 8, in this embodiment, the connection portion is a support column 21, and compared with the old connection support using a sheet-shaped connection support with a rectangular cross section, this embodiment uses the support column 21 with a larger volume as the connection support, so that the stability of the support component 2 for supporting the driving component 3 can be further improved, and the structural strength of the fan is further improved.

As shown in fig. 1 to 8, a plurality of the support columns 21 in the present embodiment are disposed perpendicular to the blower housing 1; the stability of the fan shell structure can be improved, external load and force can be effectively resisted, and structural deformation and vibration are reduced;

The fan can effectively resist external load and force, reduce deformation and vibration of the structure and ensure normal operation of the fan;

And the load is uniformly transferred to the fan shell, so that the load is prevented from being concentrated at a specific point, and the stability of the fan structure is improved.

As shown in fig. 1 to 8, each of the connection assemblies in the present embodiment includes a connection member and a second connection hole 22, the second connection hole 22 is provided at one end of the support column 21 connected to the driving part 3, and the connection member passes through the driving part 3 and is connected to the second connection hole 22;

Preferably, the driving member 3 is provided with a first connecting hole corresponding to the second connecting hole 22, and in the assembling process, when the driving member 3 is assembled on the supporting column 21, the first connecting hole 31 on the driving member 3 is aligned with the corresponding second connecting hole 22, then the connecting piece passes through the first connecting hole 31, and the connecting piece is connected with the second connecting hole 22, preferably, the first connecting hole and the second connecting hole are connected in a threaded connection manner, so that the driving member has the advantages of simple structure and convenient operation.

Preferably, in other embodiments, the driving member 3 and the supporting column 21 may be connected by a snap connection, not limited to a threaded connection.

As shown in fig. 1 to 8, a positioning assembly is further disposed on each support column 21 in this embodiment, and the positioning assembly can position and assemble the driving component 3 on a plurality of support columns 21.

Preferably, the positioning assembly in this embodiment includes a connection end surface 23 and a positioning protrusion 24, the connection end surface 23 is disposed on one end of the support column 21 connected with the driving component 3, the positioning protrusion 24 is disposed on the connection end surface 23 and protrudes upwards, the connection end surface 23 and the positioning protrusion form a clamping position, the driving component 3 abuts against the connection end surface 23, and a part of the outer side wall of the driving component 3 abuts against the side wall of the positioning protrusion 24 facing the driving component 3;

Preferably, the outer side wall of the driving component 3 is provided with a positioning portion 32, when the driving component 3 is assembled, the driving component 3 is clamped at the clamping position through the positioning portion 32, at this time, the connecting end face 23 abuts against the bottom of the positioning portion 32, and part of the outer side wall of the positioning portion 32 abuts against the side wall of the positioning protrusion 24, which faces the positioning portion 32, so that the driving component 3 is limited on the support component 2, and then the driving component 3 is connected with the support column 21 through the connecting component, so that the driving component has the advantages of simple structure and convenience in operation.

As shown in fig. 1 to 8, the positioning protrusion 24 in the present embodiment is arc-shaped, and the side wall of the positioning protrusion 24 is an arc-shaped side wall, so that friction between the positioning protrusion 24 and the driving component 3 can be reduced, so as to prolong the service life of the fan housing.

And the arc shape has the characteristics of progressive and streamline, so that the assembly process is relatively easy. The drive member 3 and support post 21 are easily aligned when assembled, unlike other shapes that may require precise positioning and adjustment. Thus, the time and effort for assembly can be reduced, and the assembly efficiency can be improved;

When the driving part 3 is clamped among the supporting columns 21 through clamping, the arc-shaped side walls have better accommodation and tolerance in connection, compared with a straight line shape, the arc-shaped side walls can more fully accommodate dimensional and tolerance changes within a certain range, so that proper matching and interfaces are easier to realize in the assembly process, and the gap or overtightening condition between accessories is reduced;

The arc shape has better stress distribution and bearing capacity relative to the straight shape, can better and evenly disperse the stress in the assembly process, and reduces the deformation caused by the assembly, so that the stability and the overall performance of the fan housing 1 can be maintained, and unnecessary deformation or damage after the assembly is avoided;

And the arc-shaped structure can provide better structural strength and rigidity, so that the support column 21 can endure pressure and deformation more permanently when subjected to external load, which contributes to improvement in durability and reliability of the bracket member 2.

Preferably, the positioning portion 32 is an annular protrusion, the annular protrusion is in a circular ring shape, the radian of the side wall of the positioning portion 32 facing the positioning portion 24 is close to or consistent with the radian of the edge of the outer side wall of the positioning portion 32, and by adopting such a design, the positioning portion 32 can be clamped between the support columns 21 more firmly, and the positioning performance is improved.

Preferably, the width of the connecting end surface 23 is similar to that of the positioning portion 32, so that the driving component 3 is better supported, and the supporting stability of the supporting column 21 to the driving component 3 is improved.

Preferably, the plane of the top of the positioning protrusion 24 is flush with the plane of the top of the positioning portion 32, so that the fan looks more beautiful.

Preferably, the driving part 3 includes a driving motor and a motor housing, the driving motor is disposed in the motor housing, the driving motor passes through the motor housing and the fan housing 1 and is assembled with the impeller assembly 4, the motor housing is assembled on the support part 2, and the positioning part 32 is disposed on an outer sidewall of the motor housing.

As shown in fig. 1 to 8, the blower housing 1 in the present embodiment includes an upper case 11 and a lower case 12, and the upper case 11 is detachably connected to the lower case 12, facilitating the assembly of the blower.

As shown in fig. 1 to 8, the fan housing 1 in the present embodiment is provided on the other side thereof with an air suction opening 13, and the size of the air suction opening 13 is smaller than the inner diameter size of the impeller assembly 4;

Specifically, the impeller assembly 4 includes the back shroud 41 and a plurality of blade 42, the size of inlet scoop 13 is less than the biggest internal diameter size between the blade to make fan housing 1 can shelter from all blades as far as possible, and the fan looks more pleasing to the eye, and fan housing 1 can be under the condition that does not influence closed impeller air suction ability, block impurity as far as possible, avoid impurity to drop into fan housing 1 through inlet scoop 13 in, cause closed impeller's damage, the life of extension fan.

Preferably, the whole fan shell is made of an aluminum material, the aluminum material has the advantage of corrosion resistance, the commercial kitchen ware fan is usually faced with environments which are contacted with high temperature, humidity and chemical substances for a long time, such as steam, smoke, grease and the like, and the fan with strong corrosion resistance can keep stable operation in such severe environments, is not damaged by corrosion, and prolongs the service life;

Moreover, the commercial kitchen is an environment with strict sanitary requirements, bad environmental conditions easily lead to bacterial breeding and grease accumulation, the corrosion-resistant fan is not easy to rust or corrode, the cleaning performance can be kept, the possibility of bacterial breeding is reduced, the sanitary standard of the kitchen is improved, inflammable substances such as grease, gas and the like are often present in the commercial kitchen, if the fan is damaged or corroded, fire can be possibly caused, the fire risk can be reduced by the fan with good corrosion resistance, and the safety of the kitchen is ensured;

The commercial kitchen ware fan with good corrosion resistance is used, so that the frequency and cost of maintaining and replacing parts can be reduced, the fan is not easy to erode due to corrosion, the structure and performance of the fan can be kept intact, and the maintenance and replacement requirements are reduced;

Further, the aluminum material has the advantage of strong sealing performance, and the commercial kitchen ventilator usually generates noise, such as mechanical vibration noise, wind flow noise and vortex and turbulence noise of air flowing through the ventilator when the ventilator operates, so as to reduce the propagation of the noise;

The whole fan shell is made of aluminum materials, the aluminum materials are relatively good in sound insulation effect, noise is effectively reduced, in addition, the aluminum materials are smooth in surface, the air channel of the fan is smooth, the generation of airflow noise can be reduced, and the effect is mute.

The foregoing examples are provided to further illustrate the technical contents of the present utility model for the convenience of the reader, but are not intended to limit the embodiments of the present utility model thereto, and any technical extension or re-creation according to the present utility model is protected by the present utility model. The protection scope of the utility model is subject to the claims.

Claims

1. A commercial kitchen ware fan housing, includes fan housing (1) and support part (2), its characterized in that: the fan housing (1) is used for assembling the impeller assembly (4), the support component (2) is used for connecting the driving assembly, the support component (2) is arranged on one side of the fan housing (1), and the support component (2) and the fan housing (1) are of an integrated structure; the bracket component (2) comprises a plurality of connecting parts, one end of each connecting part is arranged on the fan shell (1), and the other end of each connecting part is provided with a connecting component which can be connected with the driving component (3); the connecting part is a supporting column (21); each support column (21) is further provided with a positioning assembly, and the positioning assembly can enable the driving part (3) to be positioned and assembled on a plurality of support columns (21); the positioning assembly comprises a connecting end face (23) and a positioning protrusion (24), the connecting end face (23) is arranged at one end, connected with the driving part (3), of the supporting column (21), the positioning protrusion (24) is arranged on the connecting end face (23) and protrudes upwards, the connecting end face (23) and the positioning protrusion form a clamping position, the driving part (3) abuts against the connecting end face (23), and part of the outer side wall of the driving part (3) abuts against the side wall, facing the driving part (3), of the positioning protrusion (24).

2. A commercial kitchen ventilator housing according to claim 1, wherein: a plurality of the connecting parts are distributed in a circumferential array.

3. A commercial kitchen ventilator housing according to claim 1, wherein: the support columns (21) are perpendicular to the fan housing (1).

4. A commercial kitchen ventilator housing according to claim 1, wherein: each connecting assembly comprises a connecting piece and a second connecting hole (22), wherein the second connecting hole (22) is arranged at one end of the supporting column (21) connected with the driving part (3), and the connecting piece penetrates through the driving part (3) and is connected with the second connecting hole (22).

5. A commercial kitchen ventilator housing according to claim 1, wherein: the positioning bulge (24) is arc-shaped.

6. A commercial kitchen ventilator housing according to claim 1, wherein: the outer side wall of the driving component (3) is provided with a positioning part (32), and the driving component (3) is clamped at the clamping position through the positioning part (32).

7. The commercial kitchen ventilator housing of claim 6, wherein: the positioning part (32) is an annular bulge.

8. The commercial kitchen ventilator housing of claim 6, wherein: the radian of the side wall of the positioning bulge (24) facing the positioning part (32) is similar to or identical with the radian of the edge of the outer side wall of the positioning part (32).

9. The commercial kitchen ventilator housing of claim 6, wherein: the width of the connecting end surface (23) is similar to the width of the positioning part (32).

10. A commercial kitchen ventilator housing according to claim 1, wherein: the fan housing (1) comprises an upper shell (11) and a lower shell (12), and the upper shell (11) is detachably connected to the lower shell (12).