Air exhaust device easy to overhaul

Abstract

The utility model discloses an air exhaust device easy to maintain, which belongs to the technical field of air exhaust devices and comprises a shell, and a fixed air exhaust pipe is fixedly mounted at the upper end of the shell. An adjustable air outlet mechanism is mounted on the fixed exhaust pipe; the adjustable air outlet mechanism comprises a movable assembly and a driving assembly. The driving assembly is installed at the upper end of the shell and connected with the movable assembly, and the movable assembly is installed on the fixed exhaust pipe. A plurality of separation blades are mounted on the movable assembly; a moving mechanism is mounted in the shell; the mounting plate is mounted on the moving mechanism; and a fan and an electric control unit are mounted on the mounting plate. By means of the mode, the movement angle of the movable assembly is accurately controlled through the driving assembly, the opening angle of the blocking piece can be achieved, and therefore the air outlet amount of the device is controlled; the position of the mounting plate can be flexibly replaced according to the conditions of the fan and the electric control unit, and equipment mounted on the mounting plate is overhauled through windows formed in the two ends of the shell.

Description

TECHNICAL FIELD

[0001] The utility model relates to an exhaust device technical field, specifically to an exhaust device easy to overhaul. BACKGROUND

[0002] The exhaust device can reduce indoor pollutant concentration, prevent flammable and explosive gas accumulation, and protect the human respiratory system. The ventilation duct provides a suitable working environment for workers

[0003] Chinese patent CN215543590U discloses an exhaust device, which comprises an exhaust duct, a filter screen structure and an exhaust hood. An exhaust passage is formed in the exhaust duct. The filter screen structure is detachably arranged on the exhaust duct, and the filter screen structure completely covers the exhaust passage in the radial direction of the exhaust duct. The exhaust hood is arranged at the air inlet end of the exhaust duct, and the inner wall edge of the air inlet of the exhaust hood is provided with a collection groove. However, the device still has the following problems during use:

[0004] The motor and related control unit are generally located in the exhaust duct. When the motor needs to be overhauled, the motor and related control unit need to be removed from the exhaust duct as a whole, which is inconvenient.

[0005] Therefore, the utility model designs an exhaust device easy to overhaul to solve the above problems. CONTENT OF THE UTILITY MODEL

[0006] In view of the above shortcomings of the prior art, the utility model provides an exhaust device easy to overhaul.

[0007] To achieve the above purpose, the utility model realizes the following technical scheme:

[0008] An exhaust device easy to overhaul comprises a shell, a fixed exhaust duct, a baffle, an adjustable air outlet mechanism, a moving mechanism and a mounting plate. The upper end of the shell is fixedly provided with the fixed exhaust duct. The fixed exhaust duct is provided with the adjustable air outlet mechanism for controlling the rotation angle of the baffles to change the air outlet angle and air outlet volume. The adjustable air outlet mechanism comprises a movable component for driving the rotation of the baffles and a driving component for controlling the rotation of the movable component. The driving component is installed at the upper end of the shell and connected with the movable component. The movable component is installed on the fixed exhaust duct. The movable component is provided with the baffles. The shell is internally provided with the moving mechanism for controlling the movement of the mounting plate to facilitate maintenance. The mounting plate is installed on the moving mechanism. The mounting plate is provided with a fan and an electric control unit.

[0009] Furthermore, the left and right ends of the shell are provided with openable windows.

[0010] Further, the movable assembly comprises driving plates, connecting plates and rotating shafts, a plurality of driving plates are rotatably installed on the outer wall of the shell, and the driving plates are uniformly distributed at equal intervals in a circumferential array on the outer wall of the shell; the inner ends of a plurality of rotating shafts are rotatably installed in the middle part of the fixed exhaust pipe, the outer ends of the rotating shafts are rotatably installed on the inner wall of the fixed exhaust pipe; and the upper side of the driving plate is fixedly connected with the outer end of the rotating shaft; the driving plate on the left side of the fixed exhaust pipe is provided as a driving part; the connecting plates are hingedly connected on the adjacent driving plates; and the baffle is fixedly installed in the middle part of the rotating shaft;

[0011] Further, the number of the driving plates is the same as that of the rotating shafts and they are one-to-one corresponding;

[0012] Further, the connecting plates on the adjacent driving plates are arranged in an up-and-down staggered parallel manner;

[0013] Further, the driving assembly comprises a vertical plate and a first servo motor, the vertical plate is fixedly installed on the left side of the upper end of the shell, the first servo motor is fixedly installed on the left end of the vertical plate, the output end of the first servo motor is fixedly connected with the outer end of the rotating shaft at the position of the driving part, the driving plate of the driving part rotates around the rotating shaft, the outer wall of the fixed exhaust pipe at the position of the driving part is provided with a guide groove, and the lower end of the driving plate of the driving part is limitingly and slidably connected with the guide groove;

[0014] Further, the moving mechanism comprises guide rails, a sliding plate, a lead screw and a second servo motor, the guide rails are symmetrically fixedly installed on the inner bottom of the shell, the lower end of the sliding plate is limitingly and slidably connected with the guide rails on the front and back sides, a mounting plate is fixedly installed on the upper end of the sliding plate, the left and right ends of the lead screw are rotatably connected with the inner wall of the shell on the left and right sides, the second servo motor is fixedly installed on the left end of the shell and the output end of the second servo motor is fixedly connected with the left end of the lead screw, and the lead screw is threadedly connected with the sliding plate;

[0015] Further, the baffles are uniformly distributed at equal intervals in a circumferential array on the movable assembly.

[0016] Compared with the prior art, the utility model has the advantages that: the driving assembly drives the movable assembly to rotate, so that the baffles installed on the movable assembly simultaneously realize the opening or closing action, the driving assembly accurately controls the movement angle of the movable assembly, the opening angle of the baffle is realized, the air volume of the device is controlled, the practicability of the device is improved, when the fan and the electric control unit fail, the mounting plate is moved by the moving mechanism, the position of the mounting plate can be flexibly changed according to the situation of the fan and the electric control unit, the equipment installed on the mounting plate is maintained through the windows arranged at the two ends of the shell, the practicability of the device is improved, the baffle structure and the mounting mode can be changed, the aged baffle can be quickly replaced, and the normal use of the exhaust function of the device is ensured. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1 This is a perspective view of an easily maintainable ventilation device according to the present invention;

[0019] Figure 2 This is a front view of an easily maintainable ventilation device according to the present invention;

[0020] Figure 3 This is a top view of an easily maintainable ventilation device according to the present invention;

[0021] Figure 4 Along Figure 3 A three-dimensional image with a portion removed along the AA direction;

[0022] Figure 5 This is a schematic diagram of the connection structure between the rotating shaft and the baffle.

[0023] Figure 6 This is an exploded view of an easily maintainable ventilation device according to this utility model.

[0024] The labels in the diagram represent:

[0025] 1. Housing; 2. Fixed exhaust pipe; 3. Baffle; 4. Adjustable air outlet mechanism; 41. Drive assembly; 411. Vertical plate; 412. First servo motor; 413. Guide groove; 42. Movable assembly; 421. Drive plate; 422. Connecting plate; 423. Rotating shaft; 5. Moving mechanism; 51. Guide rail; 52. Sliding plate; 53. Lead screw; 54. Second servo motor; 6. Mounting plate. Detailed Implementation

[0026] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0027] In the following description, "left", "right", "front", "back", "upper", "lower" are oriented in the perspective of the front view.

[0028] Embodiment one: in some embodiments, referring to the description of the drawings Figures 1-6 A kind of easily overhauled exhaust device, including shell 1, still include fixed exhaust pipe 2, baffle 3, adjustable air outlet mechanism 4, moving mechanism 5 and mounting plate 6, the upper end of shell 1 is fixedly installed with fixed exhaust pipe 2;Fixed exhaust pipe 2 is installed with adjustable air outlet mechanism 4 for controlling the rotation angle of multiple baffle 3 to realize the change of air outlet angle and air volume;The adjustable air outlet mechanism 4 includes movable assembly 42 for rotating multiple baffle 3 and drive assembly 41 for controlling the rotation of movable assembly 42;Drive assembly 41 is installed on the upper end of shell 1 and drive assembly 41 is connected with movable assembly 42, movable assembly 42 is installed on fixed exhaust pipe 2;And movable assembly 42 is installed with multiple baffle 3, baffle 3 is evenly distributed on movable assembly 42 in the form of circumferential array at equal intervals;The inside of shell 1 is installed with moving mechanism 5 for controlling mounting plate 6 to move for easy maintenance;The mounting plate 6 is installed on moving mechanism 5;Fan and electric control unit are installed on mounting plate 6;The left and right ends of the shell 1 are provided with openable window, to facilitate maintenance;

[0029] In the utility model, drive assembly 41 work drives movable assembly 42 to rotate, so that baffle 3 installed on movable assembly 42 realizes the action of opening or closing simultaneously, the opening angle of baffle 3 can be realized by drive assembly 41 accurate control movable assembly 42 movement angle, to control the air volume of device, improve the practicability of device;When fan and electric control unit appear fault, moving mechanism 5 drives mounting plate 6 to move, maintenance personnel can change the position of mounting plate 6 according to the situation of fan and electric control unit, and the equipment installed on mounting plate 6 is overhauled through the window provided at the both ends of shell 1, improve the practicability of device;And also can change baffle 3 structure and installation mode, quickly replace aging baffle 3, guarantee the normal use of device exhaust function.

[0030] The active component 42 comprises driving plates 421, connecting plates 422 and rotating shafts 423, a plurality of driving plates 421 are rotatably installed on the outer wall of the shell 1, and the driving plates 421 are uniformly distributed at equal intervals in a circumferential array on the outer wall of the shell 1; the inner ends of a plurality of rotating shafts 423 are rotatably installed in the middle part of the fixed air exhaust pipe 2, and the outer ends of the rotating shafts 423 are rotatably installed on the inner wall of the fixed air exhaust pipe 2; the driving plates 421 are the same in number as the rotating shafts 423 and one-to-one correspond; and the upper side of the driving plate 421 is fixedly connected with the outer end of the rotating shaft 423; the driving plate 421 on the left side of the fixed air exhaust pipe 2 is arranged as a driving part; the connecting plates 422 are hingedly arranged on the adjacent driving plates 421; the baffle 3 is fixedly installed in the middle part of the rotating shaft 423; and the connecting plates 422 on the adjacent driving plates 421 are arranged in an upper and lower staggered parallel mode.

[0031] The driving component 41 comprises a vertical plate 411 and a first servo motor 412, the vertical plate 411 is fixedly installed on the upper end of the left side of the shell 1, the first servo motor 412 is fixedly installed on the left end of the vertical plate 411, and the output end of the first servo motor 412 is fixedly connected with the outer end of the rotating shaft 423 at the position of the driving part, and the driving plate 421 of the driving part is rotatable around the rotating shaft 423; the outer wall of the fixed air exhaust pipe 2 at the position of the driving part is provided with a guide groove 413, and the lower end of the driving plate 421 of the driving part is in limit sliding connection with the guide groove 413.

[0032] In the utility model, the first servo motor 412 works to drive the driving plate 421 of the driving part to rotate along the guide groove 413, the driving plate 421 of the driving part rotates to drive the adjacent driving plate 421 to rotate at the same time through the connecting plate 422, so that all the driving plates 421 rotate together, the driving plate 421 rotates to drive the rotating shaft 423 to rotate, so that all the baffles 3 rotate together to realize the opening action; the rotation angle of the driving plate 421 is controlled through the first servo motor 412, so that the opening size of the baffle 3 is accurately controlled, and then the air volume is controlled.

[0033] The moving mechanism 5 comprises guide rails 51, a sliding plate 52, a lead screw 53 and a second servo motor 54, the guide rails 51 are fixedly installed on the inner bottom of the shell 1 on the left and right sides, the lower end of the sliding plate 52 is in limit sliding connection with the two guide rails 51 on the left and right sides; the mounting plate 6 is fixedly installed on the upper end of the sliding plate 52; the left and right ends of the lead screw 53 are rotatably connected on the left and right sides of the inner wall of the shell 1; the second servo motor 54 is fixedly installed on the left end of the shell 1, and the output end of the second servo motor 54 is fixedly connected with the left end of the lead screw 53; the lead screw 53 is in threaded connection with the sliding plate 52;

[0034] In this utility model, when it is necessary to inspect and repair the fan and electrical control unit installed on the mounting plate 6, the window set on the housing 1 is opened, the second servo motor 54 drives the lead screw 53 to rotate, so that the sliding plate 52 moves along the guide rail 51, and the mounting plate 6 moves to the window position set on the housing 1.

[0035] Example 2: In some embodiments, such as Figure 5 As shown in the preferred embodiment of this utility model, the baffle 3 is divided into two detachable layers, which are connected by bolts. The baffle 3 is also detachably connected to the rotating shaft 423. Since the fan is located inside the fixed exhaust pipe 2, a lot of heat will be generated when the fan runs for a long time. When the temperature of the blown air is high, the lower baffle 3 will age, which will affect the normal operation of the adjustable air outlet mechanism 4. At this time, the bolts on the baffle 3 can be removed and the lower part can be replaced.

[0036] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this utility model.

Claims

1. An easily accessible exhaust device comprising a housing (1), characterized in that: Also include fixed exhaust pipe (2), baffle (3), adjustable air outlet mechanism (4), moving mechanism (5) and mounting plate (6), the upper end of the shell (1) is fixedly installed with fixed exhaust pipe (2); Fixed exhaust pipe (2) is installed with adjustable air outlet mechanism (4) for controlling the rotation angle of multiple baffle (3) to realize the change of air outlet angle and air volume; The adjustable air outlet mechanism (4) comprises a movable assembly (42) for driving the rotation of the plurality of baffle (3) and a driving assembly (41) for controlling the rotation of the movable assembly (42); The driving assembly (41) is installed on the upper end of the shell (1), and the driving assembly (41) is connected with the movable assembly (42), and the movable assembly (42) is installed on the fixed exhaust pipe (2); And a plurality of baffle (3) is installed on the movable assembly (42); The inside of the shell (1) is provided with a moving mechanism (5) for controlling the movement of the mounting plate (6) for easy maintenance; The mounting plate (6) is installed on the moving mechanism (5); The fan and the electric control unit are installed on the mounting plate (6).

2. The easily accessible exhaust apparatus of claim 1, wherein, The left and right ends of the shell (1) are provided with openable windows.

3. The easily accessible exhaust apparatus of claim 2, wherein, The movable assembly (42) comprises a driving plate (421), a connecting plate (422) and a rotating shaft (423), a plurality of driving plates (421) are rotatably installed on the outer wall of the shell (1), and the driving plates (421) are uniformly distributed at equal intervals in a circumferential array on the outer wall of the shell (1); The inner end of the plurality of rotating shafts (423) is rotatably installed in the middle of the fixed exhaust pipe (2), and the outer end of the rotating shaft (423) is rotatably installed on the inner wall of the fixed exhaust pipe (2); And the upper side of the driving plate (421) is fixedly connected with the outer end of the rotating shaft (423); The driving plate (421) on the left side of the fixed exhaust pipe (2) is provided as a driving part; The adjacent driving plates (421) are both hinged with connecting plates (422); The baffle (3) is fixedly installed in the middle of the rotating shaft (423).

4. The easily accessible exhaust apparatus of claim 3, wherein, The number of driving plates (421) and rotating shafts (423) is the same and one-to-one correspondence.

5. The easily accessible exhaust apparatus of claim 4, wherein, The connecting plates (422) on the adjacent driving plates (421) are arranged in an upper and lower staggered parallel manner.

6. The easily accessible exhaust apparatus of claim 5, wherein, The driving assembly (41) comprises a vertical plate (411) and a first servo motor (412), the vertical plate (411) is fixedly installed on the left side of the upper end of the shell (1), the first servo motor (412) is fixedly installed on the left end of the vertical plate (411), and the output end of the first servo motor (412) is fixedly connected with the outer end of the rotating shaft (423) at the driving part position; The driving plate (421) of the driving part rotates around the rotating shaft (423), and the outer wall of the fixed exhaust pipe (2) at the driving part position is provided with a guide groove (413), and the lower end of the driving plate (421) of the driving part is limitingly and slidingly connected with the guide groove (413).

7. The easily accessible exhaust apparatus of claim 6, wherein, The moving mechanism (5) comprises guide rails (51), a sliding plate (52), a screw rod (53) and a second servo motor (54), the guide rails (51) are symmetrically fixedly installed on the inner bottom of the shell (1) on the front and back sides, the lower end of the sliding plate (52) is slidably connected with the two guide rails (51) on the front and back sides, the mounting plate (6) is fixedly installed on the upper end of the sliding plate (52), the left and right ends of the screw rod (53) are rotatably connected with the left and right sides of the inner wall of the shell (1), the second servo motor (54) is fixedly installed on the left end of the shell (1), and the output end of the second servo motor (54) is fixedly connected with the left end of the screw rod (53); the screw rod (53) is threadedly connected with the sliding plate (52).

8. The easily accessible exhaust apparatus of claim 1, wherein, The baffle (3) is uniformly distributed in a circumferential array on the movable assembly (42).

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