A five-defense diversion valve

Abstract

The present application provides a five-defense diverter valve, comprising a panel with an air inlet, a guide tube and a normally closed check plate arranged on the inner side of the panel, the guide tube having an inclined air outlet connected to the air inlet, the normally closed check plate being hinged on the inner side of the panel and covering the inclined air outlet, a fuse assembly being arranged on the inner side of the panel and located at the upper end of the inclined air outlet, and the five-defense diverter valve also comprising a return guide plate arranged at the bottom of the inclined air outlet, the lower end edge of the return guide plate being higher than the inclined air outlet and forming an opening with the inclined air outlet. The present application solves the problem that the angle between the inlet airflow pushing the check plate and the inclined plane of the inclined air outlet of the guide tube is less than 60°, and the intersection angle between the inlet airflow line and the exhaust airflow line in the exhaust duct is large, and at the same time solves the problem of self-cleaning of small particles of construction garbage dropped at the bottom of the inclined air outlet of the guide tube.

Description

Technical Field

[0001] The present application belongs to the technical field of residential exhaust ducts, and more specifically, to a five-defense diversion valve. Background Art

[0002] At present, when the Class V diversion valve used in residential exhaust duct systems is in normal working condition, the intake air flow is discharged by pushing open the normally closed check plate through the inclined air outlet of the guide pipe. There is an angle between the pushed-open check valve plate and the inclined plane of the inclined air outlet of the guide pipe that is less than 60°, and the intake air flow entering the exhaust duct and the vertical exhaust air flow in the exhaust duct have a large intersection angle, resulting in large resistance, thereby increasing the total resistance of the exhaust duct system and causing poor system emission function. Summary of the invention

[0003] The purpose of the embodiment of the present application is to provide a five-defense guide valve, which solves the problem that the angle between the check plate pushed open by the intake air flow and the inclined plane of the guide tube inclined air outlet is less than 60°, and the intersection angle between the intake air flow line and the exhaust air flow line in the exhaust duct is large, and at the same time, it also solves the problem of self-cleaning of small particles of construction garbage dropped at the bottom of the guide tube inclined air outlet.

[0004] To achieve the above-mentioned purpose, the technical solution adopted in the present application is: a five-defense diverter valve, comprising a panel with an air inlet, a guide tube and a normally closed check plate arranged on the inner side of the panel, the guide tube having an inclined air outlet connected to the air inlet, the normally closed check plate is hinged to the inner side of the panel and covers the inclined air outlet, a fuse assembly is also arranged on the inner side of the panel and at the upper end of the inclined air outlet, the five-defense diverter valve also includes a return guide plate arranged at the bottom of the inclined air outlet, the lower end edge of the return guide plate is higher than the inclined air outlet and forms an opening with the inclined air outlet.

[0005] Furthermore, the return guide plate is a flat plate, a symmetrical curved plate or a special-shaped plate.

[0006] Furthermore, the opening is a rectangular opening, an isosceles opening, a porous opening, or a special-shaped opening.

[0007] Furthermore, the return guide plate is vertically arranged or non-vertically arranged.

[0008] Furthermore, the return guide plate is fixed on the guide tube or the panel.

[0009] Furthermore, the return guide plate is hingedly installed and can swing left and right.

[0010] Furthermore, a normally closed baffle is hinged on the outer side of the opening.

[0011] Furthermore, the panel, guide tube, normally closed check plate and return guide plate are made of metal materials.

[0012] Furthermore, a rubber ring is provided at the inclined air outlet; or a rubber ring is provided on the inner side of the normally closed check plate.

[0013] Furthermore, the top of the return guide plate has a folded edge that is inclined toward the inclined air outlet.

[0014] The five-defense diversion valve provided in this application has the following beneficial effects:

[0015] In this embodiment, under normal working conditions, the external air flow enters the guide tube from the air inlet of the panel, pushes open the normally closed check plate, and blows out the small particles of construction garbage that fall on the bottom of the inclined air outlet of the guide tube from the opening, thereby achieving the purpose of normal self-cleaning; at the same time, the intake air flow is ejected toward the return guide plate, and the air flow flows back under the reaction of the return guide plate to help push the normally closed check plate, thereby increasing the opening angle between the normally closed check plate and the inclined air outlet, so that the opening angle is not less than 60°, and the intake air flow is guided upward by the return guide plate. Compared with the case where there is no return guide plate, the opening angle between the normally closed check plate and the inclined air outlet is less than 60°. The intake air flow enters the exhaust duct obliquely, reducing the intersection angle between the intake air flow and the upper exhaust air flow in the exhaust duct, thereby reducing the air resistance, so as to facilitate the smooth exhaust of the exhaust system; at the same time, when a fire occurs, the fuse assembly is actuated, the top pressure rod pops out, presses the normally closed check plate, blocks the guide tube channel, and blocks the spread of fire, thereby achieving the purpose of fire prevention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 A schematic top view of the five-defense diversion valve provided in Example 1 of the present application;

[0018] Figure 2 A longitudinal cross-sectional view of the five-defense diversion valve provided in Example 1 of the present application;

[0019] Figure 3 A schematic top view of a five-defense diversion valve provided in Example 2 of the present application;

[0020] Figure 4 A longitudinal cross-sectional view of the five-defense diversion valve provided in Example 2 of the present application;

[0021] Figure 5 A schematic top view of a five-defense diversion valve provided in Example 3 of the present application;

[0022] Figure 6A longitudinal cross-sectional view of the five-defense diversion valve provided in Example 3 of the present application;

[0023] Figure 7 A schematic top view of a five-defense diversion valve provided in Example 4 of the present application;

[0024] Figure 8 A longitudinal cross-sectional view of a five-defense diversion valve provided in Embodiment 4 of the present application;

[0025] Fig. 9 A schematic top view of a five-defense diversion valve provided in Example 5 of the present application;

[0026] Fig.10 A longitudinal cross-sectional view of a five-defense diversion valve provided in Embodiment 5 of the present application;

[0027] Fig.11 A schematic top view of a five-defense diversion valve provided in Example 6 of the present application;

[0028] Fig.12 A longitudinal cross-sectional view of a five-defense diversion valve provided in Example 6 of the present application;

[0029] Fig.13 A schematic top view of a five-defense diversion valve provided in Example 7 of the present application;

[0030] Fig.14 A longitudinal cross-sectional view of a five-defense diversion valve provided in Example 7 of the present application;

[0031] Among them, the reference numerals in the figure are:

[0032] 10-panel; 11-air inlet; 20-guide tube; 21-inclined air outlet; 30-normally closed check plate; 40-fuse assembly device; 50-return guide plate; 51-opening; 52-upper folded edge; 53-normally closed baffle; 54-inner bending foot; 55-folding plate. DETAILED DESCRIPTION

[0033] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0034] It should be noted that when an element is referred to as being "fixed to" or "disposed on" another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element.

[0035] It should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0036] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0037] The five-defense diverter valve provided in the present application includes a panel with an air inlet, a guide tube and a normally closed check plate arranged on the inner side of the panel, the guide tube has an inclined air outlet connected to the air inlet, the normally closed check plate is hinged on the inner side of the panel and covers the inclined air outlet, a fuse assembly is also arranged on the inner side of the panel and at the upper end of the inclined air outlet, the five-defense diverter valve also includes a return guide plate arranged at the bottom of the inclined air outlet, the lower end edge of the return guide plate is higher than the inclined air outlet and forms an opening with the inclined air outlet.

[0038] The embodiments of the present application are described in detail below with reference to the accompanying drawings.

[0039] Embodiment 1

[0040] Reference Figure 1 , Figure 2 , which is a schematic diagram of the five-defense diversion valve provided in Example 1 of the present application.

[0041] In this embodiment, the five-defense diverter valve includes a panel 10 with an air inlet 11, a guide tube 20 and a normally closed check plate 30 arranged on the inner side of the panel 10, the guide tube 20 has an inclined air outlet 21 connected to the air inlet 11, the normally closed check plate 30 is hinged on the inner side of the panel 10 and covers the inclined air outlet 21, a fuse assembly 40 is also arranged on the inner side of the panel 10 and at the upper end of the inclined air outlet 21, the five-defense diverter valve also includes a return guide plate 50 arranged at the bottom of the inclined air outlet 21, the lower end edge of the return guide plate 50 is higher than the inclined air outlet 21 and forms an opening 51 with the inclined air outlet.

[0042] Specifically, the lower edge of the return guide plate 50 is higher than the inclined air outlet 21 to form an opening 51. In this embodiment, under normal working conditions, the external airflow enters the guide tube 20 from the air inlet 11 of the panel 10, pushes open the normally closed check plate 30, and blows out the small particles of construction waste that fall on the bottom of the inclined air outlet 21 of the guide tube 20 from the opening 51, achieving the purpose of normal self-cleaning; at the same time, the inlet airflow is directed to the return guide plate 50, and the airflow flows back under the reaction of the return guide plate 50 to help push the normally closed check plate 30, thereby increasing the opening angle between the normally closed check plate 30 and the inclined air outlet 21, so that the opening angle is not less than 60 °, and, the intake air flow is discharged upward through the return guide plate 50. Compared with when there is no return guide plate 50, the opening angle between the normally closed check plate 30 and the inclined air outlet 21 is less than 60°, and the intake air flow obliquely enters the exhaust duct, reducing the intersection angle between the intake air flow and the upper exhaust air flow in the exhaust duct, thereby reducing the air resistance, which is conducive to the smooth exhaust of the exhaust system; at the same time, when a fire occurs, the fuse assembly 40 is actuated, the push rod pops out, presses the normally closed check plate 30, blocks the passage of the guide pipe 20, and blocks the spread of fire, thereby achieving the purpose of fire prevention.

[0043] In this embodiment, the shape of the opening 51 can be various, and can be a rectangular opening 51 or an isosceles opening or a multi-hole opening or a special-shaped opening.

[0044] The shape of the return guide plate 50 is not limited to the flat plate shown in this embodiment, and may also be a symmetrical curved plate or a special-shaped plate.

[0045] In this embodiment, the return guide plate 50 is vertically arranged. Of course, the return guide plate 50 can also be adjusted in angle and tilted as required.

[0046] The return guide plate 50 can be fixed to the outside of the guide tube 20 or to the inside of the panel 10 by using different fixing structures.

[0047] Specifically, in this embodiment, the return guide plate 50 is a flat plate, and the two ends of the bottom of the flat plate are bent inward to form inner bending legs 55, and the inner bending legs 55 are clamped on the outer side of the guide tube 20 and fixed by electric welding or riveting. Of course, the return guide plate 50 can also be fixed to the panel 10 by the inner bending legs 55.

[0048] In this embodiment, the panel 10, the guide tube 20, the normally closed check plate 30, and the return guide plate 50 are made of metal materials.

[0049] To further improve the sealing performance, a rubber ring (not numbered in the figure) may be provided at the inclined surface air outlet 21 of the guide tube 20; or a rubber ring (not numbered in the figure) may be provided on the inner side of the normally closed check plate 30. In this way, when the normally closed check plate 30 covers the inclined surface air outlet 21, the normally closed check plate 30 and the inclined surface air outlet 21 are sealed by the rubber ring.

[0050] Embodiment 2

[0051] Reference Figure 3 , Figure 4 , which is a schematic diagram of the five-defense diversion valve provided in Example 2 of the present application.

[0052] The difference between this embodiment and the first embodiment is that the return guide plate 50 is a flat plate, and two folding plates 55 are symmetrically arranged on both sides of the flat plate, and the two folding plates 55 and the flat plate 54 form a U shape. The return guide plate 50 is fixed to the outside of the guide tube 20 by the two folding plates 55. Of course, the return guide plate 50 can also be fixed to the inside of the panel 10 by electric welding or riveting.

[0053] Of course, the two folding plates 55 may also be arranged asymmetrically. In this embodiment, the return guide plate 50 has a better return effect than the first embodiment, but the cost is increased and the strength is better.

[0054] Embodiment 3

[0055] Reference Figure 5 , Figure 6 , which is a schematic diagram of the five-defense diversion valve provided in Example 3 of the present application.

[0056] This embodiment is similar to the second embodiment, the return guide plate 50 also has two folding plates 55, but the difference is that the folding plates 55 have different shapes. The cost, return effect and strength of this embodiment are between the first and second embodiments.

[0057] Embodiment 4

[0058] Reference Figure 7 , Figure 8 , which is a schematic diagram of the five-defense diversion valve provided in Example 4 of the present application.

[0059] This embodiment is similar to the second embodiment and the third embodiment, except that the return guide plate 50 is provided with a symmetrical folding plate 55 , but the symmetrical folding plate 55 is smaller.

[0060] Embodiment 5

[0061] Reference Fig. 9 , Fig.10 , which is a schematic diagram of the five-defense diversion valve provided in Example 5 of the present application.

[0062] The structure of the return guide plate 50 in this embodiment is slightly different from that in the first embodiment. In this embodiment, the top of the return guide plate 50 has an upper folded edge 52 inclined toward the inclined air outlet 21. This has a better return effect, and is more conducive to the airflow to flow back under the reaction of the return guide plate 50 to help the normally closed check plate 30, thereby increasing the opening angle between the normally closed check plate 30 and the inclined air outlet 21.

[0063] Embodiment 6

[0064] Reference Fig.11 , Fig.12, which is a schematic diagram of the five-defense diversion valve provided in Example 6 of the present application.

[0065] In this embodiment, the return guide plate 50 is hinged on the folding plate 55 and can swing left and right. The folding plate 55 is fixedly mounted on the guide tube 20. In this way, when the external airflow pushes the normally closed check plate 30, the external airflow blows the return guide plate 50 to swing outward, and at this time the opening 51 becomes larger, making it easier to blow out the small particles of construction waste that fall on the bottom of the inclined air outlet 21 of the guide tube 20 from the opening 51, and the normal self-cleaning effect is better.

[0066] Embodiment 7

[0067] Reference Fig.13 , Fig.14 , which is a schematic diagram of the five-defense diversion valve provided in Example 7 of the present application.

[0068] As an improved method of the fourth embodiment, in the seventh embodiment, the normally closed baffle 53 is hinged on the outer side of the opening 51. Similarly, when the external airflow pushes the normally closed check plate 30, the external airflow blows the normally closed baffle 53 to blow the small particles of construction waste that fall on the bottom of the inclined air outlet 21 of the guide tube 20 out from the opening 51; when the external airflow exhausts upward, the normally closed baffle 53 is closed, and when the inlet airflow (external airflow) stops, the internal airflow (airflow in the exhaust duct) cannot enter from the opening 51 to hinder the normally closed check plate 30 from falling back quickly, which is more conducive to preventing backflow. Of course, the sixth embodiment of the present application and the seventh embodiment of the present application can be applied simultaneously, and the advantages of the two embodiments can be produced at the same time.

[0069] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A five-defense diversion valve, comprising a panel with an air inlet, a guide tube and a normally closed check plate arranged on the inner side of the panel, wherein the guide tube has an inclined air outlet communicated with the air inlet, the normally closed check plate is hinged to the inner side of the panel and covers the inclined air outlet, and a fuse assembly is also arranged on the inner side of the panel and at the upper end of the inclined air outlet, It is characterized in that The five-defense diversion valve also includes a return guide plate arranged at the bottom of the inclined air outlet, the lower end edge of the return guide plate is higher than the inclined air outlet and forms an opening with the inclined air outlet; The return guide plate is hingedly installed and can swing left and right; A normally closed baffle is hingedly connected to the outer side of the opening; The top of the return guide plate has an upper folded edge inclined toward the inclined air outlet.

2. The five-defense diversion valve according to claim 1, Features: The return guide plate is a flat plate, a symmetrical curved plate or a special-shaped plate.

3. The five-defense diversion valve according to claim 1, Features: The opening is a rectangular opening, an isosceles opening, a porous opening, or a special-shaped opening.

4. The five-defense diversion valve according to claim 1, Features: The return guide plate is arranged vertically or non-vertically.

5. The five-defense diversion valve according to claim 1, Features: The return guide plate is fixed on the guide tube or the panel.

6. The five-defense diversion valve according to claim 1, Features: The panel, guide tube, normally closed check plate and return guide plate are made of metal materials.

7. The five-defense diversion valve according to claim 1, Features: A rubber ring is provided at the inclined air outlet; or a rubber ring is provided on the inner side of the normally closed check plate.

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