CN220852272U

CN220852272U - Left air-out smoke kitchen bellows structure for all-in-one

Info

Publication number: CN220852272U
Application number: CN202322661806.2U
Authority: CN
Inventors: 李春芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-28
Filing date: 2023-09-28
Publication date: 2024-04-26
Anticipated expiration: 2033-09-28

Abstract

The utility model discloses a wind box structure for a left air outlet and smoke stove integrated machine, which comprises a wind box shell, wherein a fan is arranged in the wind box shell, a supporting partition plate is arranged in the wind box shell, the wind box shell is divided into an upper cavity and a lower cavity, a partition plate is arranged in the lower cavity, the lower cavity is divided into a smoke discharging cavity, a smoke guiding cavity and a mounting cavity by the partition plate, the fan is transversely arranged in the smoke discharging cavity, an air outlet is arranged on the side wall of the smoke guiding cavity, and an outlet of the fan is communicated with the air outlet through the smoke guiding cavity. The utility model has ingenious and reasonable structural design, the cavity in the bellows shell is divided into a plurality of areas by the supporting partition plate and the partition plate, so that reasonable arrangement of the internal space is realized, the assembly and maintenance of internal parts are more facilitated, the fan is transversely arranged in the smoke discharging cavity, the space below the cooking range is fully utilized, the volume of the smoke discharging cavity is ensured, the air inlet quantity is increased, the smoking efficiency is improved, and meanwhile, the fan is transversely arranged, so that the subsequent replacement or cleaning of the internal parts of the fan is also facilitated.

Description

Left air-out smoke kitchen bellows structure for all-in-one

Technical Field

The utility model belongs to the technical field of kitchen appliances, and particularly relates to a bellows structure for a left air outlet smoke kitchen range integrated machine.

Background

The integrated kitchen range is kitchen equipment integrating a gas range and a range hood, and the integrated kitchen range is kitchen equipment combining a functional electric appliance on the basis of the integrated kitchen range. The bellows structure is the important component part of integrated kitchen (or smoke kitchen all-in-one), is equipped with the fan in the bellows, and current product is mostly the vertical design of laying of fan, and space utilization is not high, and the fan is vertical to be laid in addition also is inconvenient to the change or the washing of fan internals. The prior patent document discloses an invention patent of an embedded integrated kitchen (bulletin number: CN 102777939A), and can be unambiguously seen by combining the whole specification and the attached drawing of the specification, a fan in a bottom shell (equivalent to a bellows) is of vertical design, an inlet end of the fan is directly attached and fixed with an S-shaped air duct, the smoke discharging volume in the whole bellows only depends on the size of the internal space of the fan, and when a motor in the fan or an impeller is required to be replaced, the time and the labor are wasted, and the technical problems are also existed.

Disclosure of Invention

The utility model aims to provide a technical scheme of an air box structure for a left air outlet smoke kitchen integrated machine aiming at the defects in the prior art, the structural design is ingenious and reasonable, the cavity in the air box shell is divided into a plurality of areas by the supporting partition plate and the partition plate, the reasonable arrangement of the internal space is realized, the assembly and the maintenance of internal parts are more facilitated, the fan is transversely arranged in the smoke discharging cavity, the space below a kitchen range is fully utilized, the volume of the smoke discharging cavity is ensured, the air inlet quantity is increased, the smoking efficiency is improved, and meanwhile, the transverse arrangement of the fan is also convenient for the subsequent replacement or cleaning of the internal parts of the fan.

In order to solve the technical problems, the utility model adopts the following technical scheme:

The utility model provides a left air-out cigarette kitchen all-in-one is with bellows structure, including the bellows casing, be provided with the fan in the bellows casing, the left side of bellows casing is provided with the air outlet, be provided with the support baffle in the bellows casing, interval into upper cavity and lower cavity with the bellows casing in, be provided with the division board in the lower cavity, the division board separates into smoke discharging cavity, smoke guide cavity and installation cavity with lower cavity, the fan is transversely located smoke discharging cavity, the air outlet is located on the lateral wall of smoke guide cavity, the export of fan is linked together with the air outlet through smoke guide cavity; the air box comprises a box body, a support baffle and a partition plate, wherein the support baffle is used for supporting the air box, the partition plate is used for dividing a cavity in the air box body into a plurality of areas, reasonable arrangement of an inner space is realized, the inner part is more beneficial to assembly and maintenance of the inner part, an upper cavity is used for installation of a furnace end assembly, a lower cavity is further divided into three functional areas by the partition plate, the smoke discharging cavity is matched with a fan to suck smoke from a smoke collecting cover, the smoke guiding cavity is used for connection installation of a smoke discharging pipe, the fan is used for feeding the smoke into the smoke guiding cavity and finally discharging the smoke from the smoke discharging pipe, the installation cavity is used for installation of a controller, the installation space of the controller is spaced apart from the smoke discharging space, the use of the controller is avoided, the front side of the air box body is just opposite to the installation cavity, the installation and the disassembly of the controller are convenient, the fan is transversely arranged in the smoke discharging cavity, the space below the furnace end is fully utilized, the volume of the smoke discharging cavity is ensured, the air inlet quantity is increased, the efficiency is improved, and the fan is transversely arranged to conveniently replace or clean the inner part of the fan.

Further, the supporting partition plate is supported and fixed on the partition plate, the installation seat is fixed below the supporting partition plate and fixedly connected with the bellows shell, the partition plate and the installation seat support and fix the bottom of the supporting partition plate together, so that the installation firmness and reliability of the supporting partition plate are effectively ensured, the whole bearing capacity of the supporting partition plate is better, and the stable installation of the furnace end assembly on the supporting partition plate is more facilitated.

Further, form the opening between the backplate of supporting diaphragm and bellows casing, the opening is linked together with lower cavity, is provided with auxiliary frame in the opening, auxiliary frame's one end and supporting diaphragm fixed connection, auxiliary frame's the other end and bellows casing fixed connection, auxiliary frame further connect supporting diaphragm and bellows casing for supporting diaphragm's installation in the bellows casing is more firm reliable, improves overall structure fastness and structural strength.

Further, the installation is provided with the controller in the installation cavity, be provided with on the division board and run through groove one, run through the groove and realize the intercommunication between installation cavity and the lower cavity, be provided with on the supporting baffle and run through groove two, run through groove two and realize the intercommunication between installation cavity and the last cavity, through run through groove one, run through groove two and realize the wearing of circuit establish the connection, structural design is ingenious reasonable, through seting up run through groove one, run through groove two for leave the intercommunication position between lower cavity, the last cavity and the installation cavity, thereby make things convenient for the connection installation of circuit.

Further, be provided with the air exit on the division board, the export cover of fan is established and is fixed in one side of air exit, realize the export of fan and the intercommunication between the smoke guide cavity through the air exit, be provided with the butt joint pipe in the smoke guide cavity, the opposite side at the air exit is established to the butt joint pipe cover, the butt joint pipe is set up towards the direction slope of air outlet, just in time fixed the both sides of locating the air exit to the exit end of taking over, the fan, make through the air exit to connect between take over, the fan intercommunication, make things convenient for the smooth exhaust of flue gas, the butt joint installation between the convenient and the exhaust pipe of butt joint pipe.

Further, the partition board comprises a first board section, a second board section, a third board section, a fourth board section and a fifth board section which are sequentially connected in a bending way, a smoke guide cavity is formed among the first board section, the board Duan Er and the bellows housing, an installation cavity is formed among the fourth board section, the fifth board section and the bellows housing, the first board section is obliquely arranged at an air outlet, the third board section is attached and fixed on the inner wall of the bellows housing, the end parts of the first board section and the fifth board section are fixedly connected with the inner wall of the bellows housing, the structure design is ingenious and reasonable, the partition board is formed by bending and connecting multiple sections, the lower cavity is divided into three functional areas of a smoke discharge cavity, a smoke guide cavity and an installation cavity, the air outlet is formed in the second board section, the through groove I is formed in the fourth board section, the third whole body of the board section is attached and fixed with the inner wall of the bellows housing, the corresponding end parts of the first board section and the bellows housing are further fixed, and the partition board is effectively ensured to be installed stably and reliably in the lower cavity.

Furthermore, the division board is integrated into one piece structure, and the division board adopts integrated into one piece structural design, can ensure overall structural strength, also is convenient for actual machine-shaping.

Further, the chamber bottom of discharging fume is provided with the oil guide groove, the side wall of oil guide groove gathers towards the center slope of guide groove and sets up, the bellows casing outside corresponds oil guide groove department stores up and forms the convex part, be provided with the oil guide hole on the convex part, the below of oil guide hole is provided with the oil collecting box, oil collecting box pull sets up on the mounting bracket, mounting bracket and bellows casing fixed connection, the both sides of mounting bracket are equipped with the support, the mounting bracket passes through the support and bellows casing is fixed, the oil guide groove is outwards protruding by bellows casing bottom and forms, the oil guide groove is located the intracavity of discharging fume, and the side wall of oil guide groove gathers the design towards the center slope of oil guide groove, make the greasy dirt that flows back to bellows casing bottom to the oil guide groove center collection, the oil guide hole just locates the oil guide groove center simultaneously, make the greasy dirt can flow into the oil collecting box of below from the oil guide hole, more do benefit to the concentrated collection of greasy dirt.

Further, be provided with the turn-ups on the division board, the division board passes through turn-ups and bellows casing, supports baffle fixed connection, and the design of turn-ups not only can strengthen the self structural strength of division board, and the turn-ups is also convenient for be connected fixedly between division board and bellows casing, the support baffle moreover.

Further, the middle part of supporting baffle is provided with the manhole, and the manhole covers and shelters from there is the access panel, access panel and supporting baffle fixed connection, and design benefit is reasonable, and the manhole just is to impeller, the motor department of below fan, can conveniently to the periodic maintenance or the washing maintenance of fan internals from the manhole department, and the access panel shelters from the manhole, guarantees that the interval between cavity and the lower cavity is sheltered from in the equipment normal use, guarantees the interval leakproofness between the different functional areas.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

The utility model has the advantages that the structural design is ingenious and reasonable, the cavity in the bellows shell is divided into a plurality of areas by the supporting partition plates and the partition plates, the reasonable arrangement of the internal space is realized, the assembly and maintenance of internal parts are more facilitated, the upper cavity is used for the installation of the burner assembly, the lower cavity is further divided into three functional areas by the partition plates, the smoke discharging cavity is matched with the fan to suck smoke from the smoke collecting hood, the smoke guiding cavity is used for the connection installation of the smoke discharging pipe, the fan sends the smoke into the smoke guiding cavity and finally discharges the smoke from the smoke discharging pipe, the installation cavity is used for the installation of the controller, the installation space of the controller is separated from the smoke discharging space, the use of the controller is avoided, the fan is transversely arranged in the smoke discharging cavity, the space below a kitchen range is fully utilized, the volume of the smoke discharging cavity is ensured, the air inlet quantity is increased, the smoking efficiency is improved, and meanwhile, the fan is transversely arranged to facilitate the subsequent replacement or cleaning of the internal parts of the fan.

Drawings

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of a left air-out smoke kitchen all-in-one machine;

FIG. 2 is a schematic view of the structure of FIG. 1 without the fume collecting hood and the oil collecting box;

FIG. 3 is a schematic view of the structure of FIG. 2 from another perspective;

FIG. 4 is a schematic plan view of the structure of FIG. 2;

FIG. 5 is a schematic cross-sectional view of the structure A-A of FIG. 4;

FIG. 6 is a left side schematic view of FIG. 4;

FIG. 7 is a schematic view of the mounting structure of the intermediate baffle plate in the bellows housing of the present utility model;

FIG. 8 is a schematic view of the mounting structure of the blower in the bellows housing of the present utility model;

FIG. 9 is a schematic view of the structure of FIG. 8 from another perspective;

FIG. 10 is a schematic plan view of the structure of FIG. 8;

FIG. 11 is a schematic view showing the installation structure of the support partition plate in the bellows housing according to the present utility model;

FIG. 12 is a schematic view of the structure of the access panel of the present utility model shielding an access hole;

FIG. 13 is a schematic view of the structure of the intermediate partition plate of the present utility model;

Fig. 14 is a schematic view of the structure of the support partition.

In the figure: 1-a bellows housing; 2-a fan; 3-burner assembly; 4-fume collecting hood; 5-an air outlet; 6-supporting the partition; 7-an upper cavity; 8-a lower cavity; 9-opening; 10-a spacer plate; 11-a smoke discharging cavity; 12-a smoke guiding cavity; 13-a mounting cavity; 14-a mounting base; 15-an auxiliary frame; 16-a controller; 17-a through groove I; 18-penetrating the second groove; 19-an exhaust outlet; 20-connecting the pipes; 21-plate section one; 22-plate section II; 23-plate section III; 24-plate segment IV; 25-plate section five; 26-an oil guide groove; 27-a protrusion; 28-an oil guide hole; 29-an oil collection box; 30-mounting frame; 31-flanging; 32-manhole; 33-access panel.

Detailed Description

As shown in fig. 1 to 14, the utility model discloses a wind box structure for a left air outlet and smoke stove integrated machine, which comprises a wind box shell 1, wherein a fan 2 is arranged in the wind box shell 1, an air outlet 5 is arranged at the left side of the wind box shell 1, a supporting partition plate 6 is arranged in the wind box shell 1, the wind box shell 1 is divided into an upper cavity 7 and a lower cavity 8, a partition plate 10 is arranged in the lower cavity 8, the partition plate 10 partitions the lower cavity 8 into a smoke discharging cavity 11, a smoke guiding cavity 12 and an installation cavity 13, the fan 2 is transversely arranged in the smoke discharging cavity 11, the air outlet 5 is arranged on the side wall of the smoke guiding cavity 12, and an outlet of the fan 2 is communicated with the air outlet 5 through the smoke guiding cavity 12; the air box shell 1 is divided into a plurality of areas through the supporting partition plates 6 and the partition plates 10, reasonable arrangement of the inner space is achieved, the assembly and maintenance of the inner parts are facilitated, the upper cavity 7 is used for mounting the furnace end assembly 3, the lower cavity is further divided into three functional areas by the partition plates 10, the smoke discharging cavity 11 is matched with the fan 2 to suck smoke from the smoke collecting hood 4, the smoke guiding cavity 12 is used for connection mounting of a smoke discharging pipe, the fan 2 sends the smoke into the smoke guiding cavity 12 and finally discharges the smoke from the smoke discharging pipe, the mounting cavity 13 is used for mounting the controller 16, the mounting space of the controller 16 is spaced from the smoke discharging space, the use of the controller 16 is avoided, the front side of the air box shell 1 is just opposite to the mounting cavity 13, the mounting and dismounting of the controller 16 are facilitated, meanwhile, the fan 2 is horizontally arranged in the smoke discharging cavity 11, the space below a kitchen range is fully utilized, the volume of the smoke discharging cavity 11 is guaranteed, the air inlet quantity is increased, the efficiency is improved, and meanwhile the fan 2 is horizontally arranged to conveniently replace or clean the inner parts of the fan 2.

The supporting partition plate 6 is supported and fixed on the partition plate 10, the installation seat 14 is fixed below the supporting partition plate 6, the installation seat 14 is fixedly connected with the bellows shell 1, the partition plate 10 and the installation seat 14 support and fix the bottom of the supporting partition plate 6 together, the installation firmness and reliability of the supporting partition plate 6 are effectively ensured, the whole bearing capacity of the supporting partition plate 6 is better, and the stable installation of the furnace end assembly 3 on the supporting partition plate 6 is more facilitated.

An opening 9 is formed between the back plate of the support baffle 6 and the bellows housing 1, the opening 9 is communicated with the lower cavity 8, an auxiliary frame 15 is arranged in the opening 9, one end of the auxiliary frame 15 is fixedly connected with the support baffle 6, the other end of the auxiliary frame 15 is fixedly connected with the bellows housing 1, the auxiliary frame 15 is further connected with the support baffle 6 and the bellows housing 1, the support baffle 6 is installed in the bellows housing 1 more firmly and reliably, and the firmness and the structural strength of the whole structure are improved.

The installation is provided with the controller 16 in the installation cavity 13, be provided with on the division board 10 and run through groove one 17, run through the intercommunication between groove realization installation cavity 13 and the lower cavity 8, be provided with on the support baffle 6 and run through groove two 18, run through groove two 18 and realize the intercommunication between installation cavity 13 and the upper cavity 7, pass through groove one 17, run through groove two 18 and realize the wearing of circuit and establish the connection, structural design is ingenious reasonable, through seting up run through groove one 17, run through groove two 18 for leave the intercommunication position between lower cavity 8, upper cavity 7 and the installation cavity 13, thereby make things convenient for the connection installation of circuit.

Be provided with air exit 19 on the division board 10, the one side at air exit 19 is established to the play gauze mask of fan 2, realize the intercommunication between the export of fan 2 and the smoke guide chamber 12 through air exit 19, be provided with butt joint pipe 20 in the smoke guide chamber 12, the opposite side at air exit 19 is established to the butt joint pipe 20 cover, butt joint pipe 20 sets up towards the direction slope of air outlet 5, butt joint pipe 20, the both sides of air exit 19 are just fixed to the exit end of fan 2, make the butt joint pipe 20 through air exit 19, communicate between the fan 2, make things convenient for the smooth exhaust of flue gas, butt joint pipe 20 is convenient with the butt joint installation between the smoke exhaust pipe.

The partition board 10 comprises a first plate section 21, a second plate section 22, a third plate section 23, a fourth plate section 24 and a fifth plate section 25 which are sequentially connected in a bending way, a smoke guide cavity 12 is formed between the first plate section 21, the second plate section 22 and the bellows housing 1, an installation cavity 13 is formed between the fourth plate section 24, the fifth plate section 25 and the bellows housing 1, the first plate section 21 is obliquely arranged at the air outlet 5, the third plate section 23 is attached and fixed on the inner wall of the bellows housing 1, the end parts of the first plate section 21 and the fifth plate section 25 are fixedly connected with the inner wall of the bellows housing 1, the structure design is ingenious and reasonable, the partition board 10 is formed by bending and connecting multiple sections, the lower cavity 8 is divided into three functional areas of a smoke discharge cavity 11, a smoke guide cavity 12 and an installation cavity 13, an air outlet 19 is formed in the second plate section 22, a through groove 17 is formed in the fourth plate section 24, the whole plate section three 23 is attached and fixed with the inner wall of the bellows housing 1, the corresponding end parts of the first plate section 21 and the fifth plate section 25 are further fixed with the bellows housing 1, and the installation stability and reliability of the partition board 10 in the lower cavity 8 are effectively ensured.

The partition board 10 is of an integrated structure, and the partition board 10 adopts an integrated structure design, so that the overall structural strength can be ensured, and the actual processing and forming are also facilitated. The flange 31 is arranged on the partition plate 10, the partition plate 10 is fixedly connected with the bellows housing 1 and the support partition plate 6 through the flange 31, the design of the flange 31 not only can enhance the self structural strength of the partition plate 10, but also the flange 31 is convenient for the connection and fixation between the partition plate 10 and the bellows housing 1 and the support partition plate 6.

The bottom of the smoke discharging cavity 11 is provided with the oil guiding groove 26, the side wall of the oil guiding groove 26 is inclined towards the center of the guiding groove to be converged, the outer side of the bellows shell 1 corresponds to the oil guiding groove 26 to be stored to form a convex part 27, an oil guiding hole 28 is formed in the convex part 27, an oil collecting box 29 is arranged below the oil guiding hole 28 and is arranged on a mounting frame 30 in a drawing mode, the mounting frame 30 is fixedly connected with the bellows shell 1, supports are arranged on two sides of the mounting frame 30, the mounting frame 30 is fixed with the bellows shell 1 through the supports, the oil guiding groove 26 is formed by outwards protruding the bottom of the bellows shell 1, the oil guiding groove 26 is arranged in the smoke discharging cavity 11, and the side wall of the oil guiding groove 26 is inclined towards the center of the oil guiding groove 26 to be converged, oil stains flowing back to the bottom of the bellows shell 1 flow towards the center of the oil guiding groove 26, and meanwhile the oil guiding hole 28 is exactly arranged in the center of the oil guiding groove 26, and oil stains can flow into the oil collecting box 29 below from the oil guiding hole 28, and concentrated collection of the oil stains is more beneficial to.

The middle part that supports baffle 6 is provided with manhole 32, and the manhole 32 covers and shelters from has access panel 33, and access panel 33 and support baffle 6 fixed connection, design benefit is reasonable, and manhole 32 just is to impeller, the motor department of fan 2 below, can conveniently to the periodic maintenance or the washing maintenance of fan 2 internals from manhole 32, and access panel 33 shelters from manhole 32, and the interval between upper chamber 7 and the lower chamber 8 is sheltered from in the normal use of assurance equipment, guarantees the interval leakproofness between the different functional areas.

The above is only a specific embodiment of the present utility model, but the technical features of the present utility model are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present utility model to achieve substantially the same technical effects are included in the scope of the present utility model.

Claims

1. The air box structure for the left air outlet and smoke stove integrated machine comprises an air box shell, wherein a fan is arranged in the air box shell, and an air outlet is formed in the left side of the air box shell;

The method is characterized in that:

A supporting partition plate is arranged in the bellows shell to divide the bellows shell into an upper cavity and a lower cavity;

the lower cavity is internally provided with a partition plate, the partition plate partitions the lower cavity into a smoke discharging cavity, a smoke guiding cavity and an installation cavity, the fan is transversely arranged in the smoke discharging cavity, the air outlet is arranged on the side wall of the smoke guiding cavity, and the outlet of the fan is communicated with the air outlet through the smoke guiding cavity.

2. The bellows structure for a left air-out smoke kitchen all-in-one machine according to claim 1, wherein: the support partition plate is supported and fixed on the partition plate, and an installation seat is fixed below the support partition plate and fixedly connected with the bellows shell.

3. The bellows structure for a left air-out smoke kitchen all-in-one machine according to claim 1, wherein: an opening is formed between the supporting partition plate and the back plate of the bellows shell, the opening is communicated with the lower cavity, an auxiliary frame is arranged in the opening, one end of the auxiliary frame is fixedly connected with the supporting partition plate, and the other end of the auxiliary frame is fixedly connected with the bellows shell.

4. The bellows structure for a left air-out smoke kitchen all-in-one machine according to claim 1, wherein: the installation is provided with the controller in the installation cavity, be provided with on the division board and run through groove one, run through the groove realization the installation cavity with the intercommunication between the cavity down, be provided with on the support baffle and run through groove two, it realizes to run through groove two the installation cavity with the intercommunication between the cavity, through run through groove one run through groove two realize the connection of wearing of line.

5. The bellows structure for a left air-out smoke kitchen all-in-one machine according to claim 1, wherein: the air outlet is arranged on the partition plate, the outlet cover of the fan is fixed on one side of the air outlet, the air outlet is used for realizing the communication between the outlet of the fan and the smoke guide cavity, the smoke guide cavity is internally provided with a butt joint pipe, the butt joint pipe cover is fixed on the other side of the air outlet, and the butt joint pipe is obliquely arranged towards the direction of the air outlet.

6. The bellows structure for a left air-out smoke kitchen all-in-one machine according to claim 1, wherein: the partition plate comprises a first plate section, a second plate section, a third plate section, a fourth plate section and a fifth plate section which are sequentially connected in a bending mode, the first plate section, the plate Duan Er and the air box shell form a smoke guide cavity, the fourth plate section, the fifth plate section and the air box shell form a mounting cavity, the first plate section is obliquely arranged at the air outlet, the third plate section is fixedly attached to the inner wall of the air box shell, and the end parts of the first plate section and the fifth plate section are fixedly connected with the inner wall of the air box shell.

7. The bellows structure for a left air-out smoke kitchen all-in-one machine according to claim 1, wherein: the partition plate is of an integrated structure.

8. The bellows structure for a left air-out smoke kitchen all-in-one machine according to claim 1, wherein: the air box is characterized in that a flange is arranged on the partition plate, and the partition plate is fixedly connected with the air box shell and the supporting partition plate through the flange.

9. The bellows structure for a left air-out smoke kitchen all-in-one machine according to claim 1, wherein: the smoke exhaust cavity bottom is provided with the oil guide groove, the lateral wall orientation of oil guide groove's central slope gathers the setting, the bellows casing outside corresponds oil guide groove department stores up and forms the convex part, be provided with the oil guide hole on the convex part, the below of oil guide hole is provided with the oil collecting box, oil collecting box pull sets up on the mounting bracket, the mounting bracket with bellows casing fixed connection.

10. The bellows structure for a left air-out smoke kitchen all-in-one machine according to claim 1, wherein: the middle part of supporting the baffle is provided with the manhole, the manhole covers and shelters from there is the access panel, the access panel with supporting the baffle fixed connection.