CN213790523U - Remove formaldehyde air purification equipment - Google Patents

Abstract

The utility model discloses a remove formaldehyde air purification equipment, including casing and filter chamber, dust collecting cavity has been seted up to the inside bottom of casing, and the inside filter chamber of having seted up of casing on dust collecting cavity top, the air inlet has evenly been seted up to the housing surface of filter chamber both sides, and the both sides of the inside bottom of filter chamber have all been seted up the dust fall mouth, the inside process chamber of having seted up of casing on fixed cover top, the casing internally mounted of process chamber top intermediate position department has the water tank, miniature pump is installed to the intermediate position department of the inside bottom of water tank, and the top of the inside both sides of casing evenly installs the shower nozzle, the gas vent has evenly been seted up on the top of casing both sides, and the intermediate position department of casing one side upper end installs the PLC controller. The utility model discloses a dust collection box and cam drive the filter screen through the cam, are convenient for shake the dust on its surface to the dust collection box inside, realize automatic clearance, avoid the dust to block up the filter screen, increase the clearance number of times.

Description

Remove formaldehyde air purification equipment

Technical Field

The utility model relates to an air purification equipment technical field specifically is a remove formaldehyde air purification equipment.

Background

Along with the development of society, the improvement of the living standard of residents in China leads the requirement on indoor living environment to be higher and higher, wherein formaldehyde is a common pollutant in the indoor space at present, so a plurality of formaldehyde removing devices are produced in the market, but the existing formaldehyde removing air purifying device has a plurality of problems or defects:

first, traditional formaldehyde air purification equipment that removes does not have automatic clearance structure during the use, and the filter screen is easy to be blockked up by the dust, needs artifical frequent clearance.

Second, the traditional formaldehyde air purification equipment that removes does not have the change structure of being convenient for during the use, decomposes that the treatment plate needs periodic replacement, but traditional change mode is comparatively loaded down with trivial details.

Thirdly, the traditional formaldehyde-removing air purification equipment does not have a structure for improving the treatment effect during use, and the air flow speed in the treatment equipment is high, so that the treatment effect is not high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a remove formaldehyde air purification equipment to solve inconvenient automatic clearance, inconvenient change and the lower problem of effect that provide in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a formaldehyde-removing air purification device comprises a shell, a filter chamber, a pressure regulating structure for ensuring the treatment effect, a replacement structure convenient to disassemble and assemble, and an automatic cleaning structure for avoiding blockage by impurities such as dust and the like;

the bottom end of the interior of the shell is provided with a dust collecting cavity, the interior of the shell at the top end of the dust collecting cavity is provided with a filter cavity, the surfaces of the shell at two sides of the filter cavity are uniformly provided with air inlets, two sides of the bottom end of the interior of the filter cavity are both provided with dust falling ports, two sides of the interior of the filter cavity are both provided with filter screens, and the automatic cleaning structure is arranged in the filter cavity;

a fixed cover is arranged in the shell at the middle position of the top end of the filter cavity, a driving motor is arranged at the middle position of the top end in the fixed cover, a rotating rod is vertically arranged at the output end of the driving motor through a rotating shaft, an impeller blade is arranged at the upper end of the surface of the rotating rod, a treatment cavity is formed in the shell at the top end of the fixed cover, a formaldehyde decomposition net is arranged at the lower end in the treatment cavity, an activated carbon plate is arranged at the upper end in the treatment cavity, and replacement structures are arranged in the treatment cavity at two sides of the formaldehyde decomposition net and the activated carbon plate;

a water tank is arranged in the shell at the middle position of the top end of the treatment cavity, and the pressure regulating structures are uniformly arranged at the top ends of the treatment cavities on the two sides of the water tank;

the utility model discloses a miniature water tank, including casing, water tank, shower nozzle, gas vent, PLC controller, water tank, miniature water pump, shower nozzle top, pipe and miniature water pump, the intermediate position department of the inside bottom of water tank installs miniature water pump, and the top of the inside both sides of casing evenly installs the shower nozzle, the shower nozzle top is all through pipe and miniature water pump's output intercommunication, the gas vent has evenly been seted up on the top of casing both sides, and the intermediate position department of casing one side upper end installs the PLC controller.

Preferably, the self-cleaning structure includes the spout, the both ends at the inside top of filter chamber and bottom are all seted up to the spout, and the inside one side of spout all installs buffer spring, the inside equal sliding connection of spout of buffer spring one side has the slider, and the one end of slider all with four corner welding of filter screen, the intermediate position department on bull stick surface transversely installs the cam.

Preferably, the pressure regulating structure includes the pressure regulating tang, transfers briquetting, pressure regulating spring and through-hole, the inner wall on treatment chamber top is evenly seted up to the pressure regulating tang, and the through-hole has evenly been seted up to the both sides on the inside top of pressure regulating tang, the pressure regulating spring is evenly installed on the inside top of pressure regulating tang, and the inside pressure regulating briquetting that all installs of pressure regulating tang of pressure regulating spring bottom.

Preferably, it includes mounting panel, compact heap, mounting groove, change spring and pull rod to change the structure, the mounting groove is all installed on the top and the bottom of the inside both sides of treatment chamber, and the equal vertical pull rod that extends to the inside of mounting groove that is provided with of mounting groove one end, the inside change spring that has all twined of mounting groove on pull rod surface, and the inside compact heap that all installs of mounting groove of pull rod one end, the inside mounting panel that all is provided with of mounting groove of compact heap one end, and mounting panel one side is equallyd divide do not with formaldehyde decomposition net and active carbon board both sides fixed connection.

Preferably, the formaldehyde decomposition net and the activated carbon plate are both wave-shaped, and both sides of the formaldehyde decomposition net and the activated carbon plate form a sliding structure with the inside of the mounting groove through the mounting plate.

Preferably, sliding grooves are formed in the upper ends of the two sides in the dust collection cavity, sliding plates are connected to the inner portions of the sliding grooves in a sliding mode, and a dust collection box is installed inside the dust collection cavity on one side of each sliding plate.

Preferably, the baffle is installed at the inside top of casing of process chamber top both sides, and the inclination of baffle and horizontal direction is 40.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the sliding block, the sliding groove, the dust collection box and the cam are arranged, the rotating rod is driven to rotate through the work of the driving motor, the cam is driven to rotate, the filter screen is periodically impacted, the sliding block slides in the sliding groove to compress the buffer spring, the elastic force of the buffer spring is utilized to restore the filter screen to the original position after the cam rotates and leaves, so that impurities such as dust attached to the surface of the filter screen are vibrated to fall down and fall into the dust collection box through a dust falling port, meanwhile, the sliding plate can slide in the sliding groove to be convenient to draw out the dust collection box and intensively treat the dust, the automatic cleaning of the filter screen is realized, the filter screen is prevented from being blocked by the dust, the unsmooth air inlet of a shell is further caused, and the treatment efficiency is reduced;

(2) through the arrangement of the replacing structure, the formaldehyde decomposition net and the activated carbon plate, after air enters the treatment cavity, the contact area between the air and the formaldehyde decomposition net and the air is increased by utilizing the wave-shaped formaldehyde decomposition net and the activated carbon plate, formaldehyde and other impurities are decomposed and adsorbed conveniently, the formaldehyde removing effect of the device is improved, the air quality is guaranteed, and the pull rod can be pulled regularly, so that the compressing block moves, compresses and replaces the spring, then slides in the mounting groove through the mounting plate, the formaldehyde decomposition net and the activated carbon plate are taken out conveniently, the replacing difficulty of the traditional mode is reduced, the replacing efficiency is improved conveniently, and the labor amount of workers is reduced;

(3) through being provided with the water tank, shower nozzle and pressure regulating structure, utilize the pressure regulating block to plug up the pressure regulating tang, be convenient for make air and formaldehyde decomposition net and active carbon board fully contact, guarantee the time of decomposition reaction, avoid air flow rate too fast, lead to unable fully processed air, and then reduce treatment effect, simultaneously increase along with the inside air of treatment chamber, atmospheric pressure increase can make the pressure regulating block upwards slide compression pressure regulating spring, later air passes through the through-hole and discharges, can start miniature pump this moment, carry the inside clear water of water tank to the shower nozzle inside and the atomizing blowout, simultaneously along with the air after handling is outside the casing of passing through the gas vent together, increase air humidity when realizing the processing, improve user's use and experience, and the air that contains humidity is the tiny particle impurity in the air more easily attached to, be convenient for improve treatment effect.

Drawings

Fig. 1 is a schematic side view of the cross-sectional structure of the present invention;

fig. 2 is a schematic front view of the cross-sectional structure of the present invention;

FIG. 3 is a schematic view of the front view of the present invention;

fig. 4 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

In the figure: 1. a housing; 2. a micro water pump; 3. a water tank; 4. a spray head; 5. a pressure regulating structure; 501. a pressure regulating boss; 502. adjusting the pressure block; 503. a pressure regulating spring; 504. a through hole; 6. replacing the structure; 601. mounting a plate; 602. a compression block; 603. mounting grooves; 604. replacing the spring; 605. a pull rod; 7. a formaldehyde decomposition net; 8. a fixed cover; 9. a slider; 10. filtering with a screen; 11. an air inlet; 12. a chute; 13. a sliding groove; 14. a sliding plate; 15. a dust collection box; 16. a dust collection chamber; 17. a dust falling port; 18. a buffer spring; 19. a filter chamber; 20. a cam; 21. impeller blades; 22. a drive motor; 23. a treatment chamber; 24. an activated carbon plate; 25. an exhaust port; 26. a baffle plate; 27. a rotating rod; 28. a PLC controller.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1: referring to fig. 1-4, a formaldehyde-removing air purifying device comprises a housing 1 and a filter chamber 19, and further comprises a pressure regulating structure 5 for ensuring the treatment effect, a replacing structure 6 convenient for disassembly and assembly, and an automatic cleaning structure for avoiding blockage by impurities such as dust;

the bottom end of the interior of the shell 1 is provided with a dust collecting cavity 16, the interior of the shell 1 at the top end of the dust collecting cavity 16 is provided with a filter cavity 19, the surfaces of the shell 1 at two sides of the filter cavity 19 are uniformly provided with air inlets 11, two sides of the bottom end of the interior of the filter cavity 19 are both provided with dust falling ports 17, two sides of the interior of the filter cavity 19 are both provided with filter screens 10, and an automatic cleaning structure is arranged in the interior of the filter cavity 19;

a fixed cover 8 is arranged in the shell 1 at the middle position of the top end of the filter cavity 19, a driving motor 22 is arranged at the middle position of the top end in the fixed cover 8, the type of the driving motor 22 can be MV300/3, a rotating rod 27 is vertically arranged at the output end of the driving motor 22 through a rotating shaft, an impeller blade 21 is arranged at the upper end of the surface of the rotating rod 27, a processing cavity 23 is formed in the shell 1 at the top end of the fixed cover 8, a formaldehyde decomposition net 7 is arranged at the lower end in the processing cavity 23, an activated carbon plate 24 is arranged at the upper end in the processing cavity 23, and the replacing structures 6 are arranged in the processing cavities 23 at the two sides of the formaldehyde decomposition net 7 and the activated carbon plate 24;

a water tank 3 is arranged in the shell 1 at the middle position of the top end of the treatment cavity 23, and the pressure regulating structures 5 are uniformly arranged at the top ends of the treatment cavities 23 at the two sides of the water tank 3;

the middle position of the bottom end in the water tank 3 is provided with a micro water pump 2, the model of the micro water pump 2 can be JSB370-6A-02, the top ends of two sides in the shell 1 are uniformly provided with spray heads 4, the top ends of the spray heads 4 are communicated with the output end of the micro water pump 2 through guide pipes, the top ends of two sides of the shell 1 are uniformly provided with exhaust ports 25, the middle position of the upper end of one side of the shell 1 is provided with a PLC 28, and the model of the PLC 28 can be FX1N-14 MR-001;

referring to fig. 1-4, the formaldehyde-removing air purifying equipment further comprises an automatic cleaning structure, the automatic cleaning structure comprises sliding chutes 12, the sliding chutes 12 are respectively arranged at two ends of the top end and the bottom end of the interior of the filter chamber 19, buffer springs 18 are respectively arranged at one side of the interior of the sliding chute 12, sliding blocks 9 are respectively connected in the interior of the sliding chute 12 at one side of the buffer springs 18 in a sliding manner, one ends of the sliding blocks 9 are respectively welded with four corners of the filter screen 10, and cams 20 are transversely arranged at the middle positions of the surfaces of the rotating rods 27;

the upper ends of two sides in the dust collection chamber 16 are respectively provided with a sliding groove 13, the sliding grooves 13 are respectively connected with a sliding plate 14 in a sliding way, and a dust collection box 15 is arranged in the dust collection chamber 16 on one side of the sliding plate 14;

specifically, as shown in fig. 1 and 2, the rotation rod 27 is driven to rotate by the operation of the driving motor 22, and then the cam 20 is driven to rotate, and periodically impacts the filter screen 10, so that the sliding block 9 slides inside the sliding groove 12 to compress the buffer spring 18, and after the cam 20 rotates and leaves, the elastic force of the buffer spring 18 is utilized to restore the filter screen 10 to the original position, so that impurities such as dust attached to the surface of the filter screen 10 are vibrated to fall down by vibration and fall into the dust collection box 15 through the dust falling port 17, and meanwhile, the sliding of the sliding plate 14 inside the sliding groove 13 can be utilized to conveniently extract the dust collection box 15, and the dust is intensively treated.

Example 2: the pressure regulating structure 5 comprises a pressure regulating convex opening 501, a pressure regulating block 502, a pressure regulating spring 503 and through holes 504, the pressure regulating convex opening 501 is uniformly arranged on the inner wall of the top end of the processing cavity 23, the through holes 504 are uniformly arranged on two sides of the top end inside the pressure regulating convex opening 501, the pressure regulating spring 503 is uniformly arranged on the top end inside the pressure regulating convex opening 501, and the pressure regulating block 502 is arranged inside the pressure regulating convex opening 501 at the bottom end of the pressure regulating spring 503;

baffles 26 are arranged at the top ends of the inner parts of the shell 1 at the two sides of the top end of the treatment cavity 23, and the inclination angles of the baffles 26 and the horizontal direction are 40 degrees;

specifically, as shown in fig. 1, 2 and 4, the pressure regulating block 502 is used to block the pressure regulating protrusion 501, so as to facilitate the air to fully contact with the formaldehyde decomposition net 7 and the activated carbon plate 24, ensure the time of decomposition reaction, avoid the air flow rate being too fast to fully treat the air, further reducing the treatment effect, and simultaneously, as the air inside the treatment cavity 23 increases, the pressure increasing will make the pressure regulating block 502 slide upwards to compress the pressure regulating spring 503, and the air is discharged through the through hole 504, at this time, the micro water pump 2 can be started to convey the clear water inside the water tank 3 to the inside of the spray head 4 and atomize and spray the clear water, and simultaneously, the air is discharged out of the shell 1 through the air outlet 25 along with the processed air, the humidity of the air is increased while the processing is realized, and an inclined baffle 26 is arranged, the water can be prevented from flowing back to the interior of the pressure regulating boss 501, and further the internal devices of the shell 1 are affected.

Example 3: the replacing structure 6 comprises a mounting plate 601, a pressing block 602, a mounting groove 603, a replacing spring 604 and a pull rod 605, wherein the mounting groove 603 is mounted at the top end and the bottom end of two sides in the processing cavity 23, one end of the mounting groove 603 is vertically provided with the pull rod 605 extending into the mounting groove 603, the replacing spring 604 is wound in the mounting groove 603 on the surface of the pull rod 605, the pressing block 602 is mounted in the mounting groove 603 at one end of the pull rod 605, the mounting plate 601 is arranged in the mounting groove 603 at one end of the pressing block 602, and one side of the mounting plate 601 is fixedly connected with the formaldehyde decomposition net 7 and two sides of the activated carbon plate 24 respectively;

the formaldehyde decomposition net 7 and the activated carbon plate 24 are both in wave shapes, and both sides of the formaldehyde decomposition net 7 and the activated carbon plate 24 form a sliding structure through the mounting plate 601 and the inside of the mounting groove 603;

specifically, as shown in fig. 1, fig. 2 and fig. 4, after the air enters the inside of the processing cavity 23, the contact area between the air and the formaldehyde decomposition net 7 and the activated carbon plate 24 in the wave shape is increased, so that the formaldehyde and other impurities such as formaldehyde can be decomposed and adsorbed quickly, the formaldehyde removing effect of the device is improved, the air quality is ensured, and the pull rod 605 can be pulled regularly, so that the compressing block 602 moves, compresses and replaces the spring 604, and then slides in the mounting groove 603 through the mounting plate 601, so that the formaldehyde decomposition net 7 and the activated carbon plate 24 can be taken out conveniently, and the replacement efficiency is improved.

The output end of the PLC 28 is electrically connected with the input ends of the micro water pump 2 and the driving motor 22 through wires.

The working principle is as follows: when the device is used, firstly, the shell 1 is placed well, then certain clean water is injected into the water tank 3, then the external power supply is connected, the PLC 28 is used for starting the driving motor 22 to work, and further the impeller blade 21 is driven to rotate, so that negative pressure is generated inside the filter cavity 19, further the outside air is sucked into the filter cavity 19 through the air inlet 11, impurities in dust are filtered through the filter screen 10, the driving motor 22 works to drive the rotating rod 27 to rotate, and then the cam 20 is driven to rotate, the filter screen 10 is periodically impacted, the sliding block 9 slides in the sliding groove 12 to compress the buffer spring 18, after the cam 20 rotates and leaves, the elastic force of the buffer spring 18 is used for restoring the filter screen 10 to the original position, further the vibrating filter screen 10 is used for vibrating and dropping impurities such as dust and the like attached to the surface of the filter screen 10, and the impurities fall into the dust collection box 15 through the dust dropping port 17, and simultaneously the sliding of the sliding plate 14 in the sliding groove 13 can be utilized, the dust collection box 15 is convenient to be drawn out for centralized dust treatment;

then, air enters the inside of the processing cavity 23, the contact area between the air and the air is increased by utilizing the wave-shaped formaldehyde decomposition net 7 and the activated carbon plate 24, so that other impurities such as formaldehyde are quickly decomposed and adsorbed, the formaldehyde removal effect of the device is improved, the pull rod 605 can be pulled regularly, the compression block 602 is moved to compress the replacement spring 604, and then the compression block slides in the mounting groove 603 through the mounting plate 601, so that the formaldehyde decomposition net 7 and the activated carbon plate 24 can be taken out conveniently, and the replacement efficiency is improved;

utilize simultaneously transfer the briquetting 502 to plug up pressure regulating tang 501, be convenient for make air and formaldehyde decomposition net 7 and the abundant contact of active carbon board 24, guarantee the time of decomposition reaction, increase along with the inside air of treatment chamber 23, then make the atmospheric pressure increase, can make transfer briquetting 502 at the inside upwards slip compression pressure regulating spring 503 of pressure regulating tang 501, later air passes through-hole 504 and discharges, can start miniature pump 2 this moment, carry the inside clear water of water tank 3 to inside shower nozzle 4, spout by 4 atomizing of shower nozzle again, and along with the air after handling outside 25 discharge casing 1 of gas vent together, increase air humidity when realizing handling, improve user's use and experience.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. The utility model provides a remove formaldehyde air purification equipment, includes casing (1) and filter chamber (19), its characterized in that: the device also comprises a pressure regulating structure (5) for ensuring the treatment effect, a replacing structure (6) convenient to disassemble and assemble and an automatic cleaning structure for avoiding blockage by impurities such as dust and the like;

a dust collecting cavity (16) is formed in the bottom end of the interior of the shell (1), a filtering cavity (19) is formed in the shell (1) at the top end of the dust collecting cavity (16), air inlets (11) are uniformly formed in the surfaces of the shell (1) on the two sides of the filtering cavity (19), dust falling ports (17) are formed in the two sides of the bottom end of the interior of the filtering cavity (19), filter screens (10) are arranged on the two sides of the interior of the filtering cavity (19), and an automatic cleaning structure is arranged in the filtering cavity (19);

a fixed cover (8) is arranged inside a shell (1) at the middle position of the top end of the filter cavity (19), a driving motor (22) is arranged at the middle position of the top end inside the fixed cover (8), a rotating rod (27) is vertically arranged at the output end of the driving motor (22) through a rotating shaft, an impeller blade (21) is arranged at the upper end of the surface of the rotating rod (27), a treatment cavity (23) is formed inside the shell (1) at the top end of the fixed cover (8), a formaldehyde decomposition net (7) is arranged at the lower end inside the treatment cavity (23), an activated carbon plate (24) is arranged at the upper end inside the treatment cavity (23), and replacement structures (6) are arranged inside the formaldehyde decomposition net (7) and the treatment cavities (23) at two sides of the activated carbon plate (24);

a water tank (3) is arranged in the shell (1) in the middle of the top end of the treatment cavity (23), and the pressure regulating structures (5) are uniformly arranged at the top ends of the treatment cavities (23) on the two sides of the water tank (3);

the utility model discloses a miniature water pump, including casing (1), water tank (3), shower nozzle (4), gas vent (25) have evenly been seted up on the top of casing (1) both sides, and intermediate position department of casing (1) one side upper end installs PLC controller (28), and shower nozzle (4) are evenly installed on the top of the inside both sides of casing (1), the output intercommunication of shower nozzle (4) top through pipe and miniature water pump (2).

2. The formaldehyde-removing air purification device as claimed in claim 1, wherein: automatic cleaning structure includes spout (12), spout (12) are all seted up at the both ends of filter chamber (19) inside top and bottom, and inside one side of spout (12) all installs buffer spring (18), the inside equal sliding connection of spout (12) of buffer spring (18) one side has slider (9), and the one end of slider (9) all welds with four corners of filter screen (10), cam (20) are transversely installed to the intermediate position department on bull stick (27) surface.

3. The formaldehyde-removing air purification device as claimed in claim 1, wherein: pressure regulating structure (5) are including pressure regulating tang (501), pressure regulating piece (502), pressure regulating spring (503) and through-hole (504), the inner wall on treatment chamber (23) top is evenly seted up in pressure regulating tang (501), and through-hole (504) have evenly been seted up to the both sides on the inside top of pressure regulating tang (501), pressure regulating spring (503) are evenly installed on the inside top of pressure regulating tang (501), and pressure regulating piece (502) are all installed to pressure regulating tang (501) inside of pressure regulating spring (503) bottom.

4. The formaldehyde-removing air purification device as claimed in claim 1, wherein: change structure (6) including mounting panel (601), compact heap (602), mounting groove (603), change spring (604) and pull rod (605), the top and the bottom in the inside both sides of treatment chamber (23) are all installed in mounting groove (603), and the equal vertical pull rod (605) that extend to mounting groove (603) that are provided with of mounting groove (603) one end, the inside change spring (604) that has all twined of mounting groove (603) on pull rod (605) surface, and inside compact heap (602) of all installing of mounting groove (603) of pull rod (605) one end, the inside mounting panel (601) that all is provided with of mounting groove (603) of compact heap (602) one end, and mounting panel (601) one side is equallyd divide do not with formaldehyde decomposition net (7) and active carbon board (24) both sides fixed connection.

5. The formaldehyde-removing air purification device as claimed in claim 4, wherein: the formaldehyde decomposition net (7) and the activated carbon plate (24) are both wave-shaped, and both sides of the formaldehyde decomposition net (7) and the activated carbon plate (24) form a sliding structure through the mounting plate (601) and the inside of the mounting groove (603).

6. The formaldehyde-removing air purification device as claimed in claim 1, wherein: the dust collection box is characterized in that sliding grooves (13) are formed in the upper ends of two sides of the interior of the dust collection cavity (16), sliding plates (14) are connected to the interior of the sliding grooves (13) in a sliding mode, and a dust collection box (15) is installed inside the dust collection cavity (16) on one side of each sliding plate (14).

7. The formaldehyde-removing air purification device as claimed in claim 1, wherein: baffle (26) are all installed on the inside top of casing (1) of process chamber (23) top both sides, and baffle (26) are 40 with the inclination of horizontal direction.

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