CN-224228133-U - Roofing building siphon type rainwater drainage system

Abstract

The utility model relates to the technical field of funnels, in particular to a roof building siphon rainwater drainage system. The device comprises a mounting cylinder, a cover plate, a filter screen, a push rod, a first elastic telescopic assembly and a limiting mechanism, wherein the upper end of the mounting cylinder is provided with a mounting panel, the cover plate and the filter screen are both positioned on the inner side of the mounting cylinder, the cover plate is positioned above the filter screen, the first elastic telescopic assembly comprises a first sleeve, a first movable rod and a second spring, the upper part of the first sleeve is provided with a limiting ring, the first sleeve is sleeved with the first spring, the limiting mechanism comprises a second elastic telescopic assembly and a wedge block, and the push rod is vertically connected to the lower end of the cover plate. This technical scheme can be comparatively quick take out the filter screen from the installation section of thick bamboo is inboard to the convenience is cleared up filter screen surface impurity, in order to guarantee the continuous filter effect of filter screen, and the whole in-process of taking out need not manual participation, has consequently avoided causing the pollution to operating personnel's hand, safety and sanitation more.

Inventors

• Cao Shenqi
• LUO KE
• ZHAO LI
• FU JING
• LU YANFANG
• ZHENG YAFEN
• LUO YANQIONG
• WAN YU
• LIN CHENZHOU
• HU JIN

Assignees

• 武汉市市政建设集团有限公司

Dates

Publication Date

20260512

Application Date

20250603

Claims (6)

1. 1. The siphon rainwater drainage system for the roof building is characterized by comprising a mounting cylinder (1), a cover plate (3), a filter screen (4), a push rod (11), a first elastic telescopic component and a limiting mechanism; The upper end of the installation cylinder (1) is provided with an installation panel (2), the upper end of the installation cylinder (1) is flush with the upper end of the installation cylinder (1), the bottom end of the installation cylinder (1) is communicated with a sewer pipe (101), a cover plate (3) and a filter screen (4) are both positioned on the inner side of the installation cylinder (1), a plurality of leakage holes are formed in the cover plate (3), the cover plate (3) is positioned above the filter screen (4), the first elastic telescopic component comprises a first sleeve (5), a first movable rod (6) and a second spring (15), the top end of the first movable rod (6) is slidably mounted on the inner side of the first sleeve (5) along the length direction of the first sleeve (5), the bottom end of the first movable rod (6) is fixedly connected with the inner wall of the installation cylinder (1), the upper end of the first sleeve (5) movably penetrates through the cover plate (3) and is connected with a limiting head (14), a through hole (301) for the first sleeve (5) to penetrate is formed in the cover plate (3), the filter screen (4) is fixedly mounted on the first sleeve (5), a first sleeve (5) is provided with a limiting ring (13), the first spring (13) is positioned between the cover plate (3) and the limiting ring (12), the limiting mechanism comprises a second elastic telescopic component and a wedge block (10), the second elastic telescopic component is connected with the inner wall of the mounting cylinder (1), the wedge block (10) is connected with the end part of the second elastic telescopic component, the first sleeve (5) is provided with an annular limiting groove (501), the push rod (11) is vertically connected to the lower end of the cover plate (3), and the push rod (11) movably penetrates through the filter screen (4).
2. 2. A roof construction siphonic rainwater drainage system according to claim 1, where the screen (4) is of inverted cone-shaped bucket construction.
3. 3. The roof building siphon rainwater drainage system according to claim 1, wherein the second elastic telescopic assembly comprises a second sleeve (8), a second movable rod (9) and a third spring (16), the second sleeve (8) is connected with the inner wall of the installation cylinder (1), the end part of the second movable rod (9) is slidably arranged on the inner side of the second sleeve (8) along the length direction of the second sleeve (8), the outer end of the second movable rod (9) is connected with the wedge block (10), and the third spring (16) is arranged on the inner side of the second sleeve (8).
4. 4. A roof construction siphonic rainwater drainage system according to claim 1, where the stiffness coefficient of the second spring (15) is greater than the stiffness coefficient of the first spring (13).
5. 5. A roof construction siphonic rainwater drainage system according to claim 1, where the perforations (301) are "T" shaped in cross section.
6. 6. A roof construction siphonic rainwater drainage system according to claim 1, characterised in that the perimeter of the cover plate (3) is fitted with a sealing ring (7).

Description

Roofing building siphon type rainwater drainage system Technical Field The utility model relates to the technical field of funnels, in particular to a roof building siphon rainwater drainage system. Background In recent years, the siphon drainage technology is gradually applied to roof engineering due to the high-efficiency drainage characteristic, the drainage flow speed is accelerated by forming negative pressure, the drainage efficiency can be obviously improved theoretically, the siphon rain water bucket is composed of a stainless steel chassis, a stainless steel clamping ring and a guide cover, and the siphon rain water bucket is mainly used for roof drainage. In the prior art, in order to prevent the blockage of the drainage pipeline, a filter screen is usually arranged in a drainage funnel, the filter screen is blocked after a long time, an operator is required to bend down to take out the filter screen, time and labor are wasted, and hands of the operator are polluted. Disclosure of utility model The utility model aims to solve the problems in the background technology and provides a roof building siphon rainwater drainage system. The technical scheme of the utility model relates to a roof building siphon rainwater drainage system, which comprises a mounting cylinder, a cover plate, a filter screen, a push rod, a first elastic telescopic component and a limiting mechanism; The upper end of the installation cylinder is provided with an installation panel, the upper end of the installation cylinder is flush with the upper end of the installation cylinder, the bottom end of the installation cylinder is communicated with a sewer pipe, the cover plate and the filter screen are both positioned on the inner side of the installation cylinder, a plurality of leakage holes are formed in the cover plate, the cover plate is positioned above the filter screen, the first elastic telescopic assembly comprises a first sleeve, a first movable rod and a second spring, the top end of the first movable rod is slidably mounted on the inner side of the first sleeve along the length direction of the first sleeve, the bottom end of the first movable rod is fixedly connected with the inner wall of the installation cylinder, the second spring is mounted on the inner side of the first sleeve, the upper end of the first sleeve movably penetrates through the cover plate and is connected with a limiting head, a penetrating hole for the first sleeve to penetrate through is formed in the cover plate, the filter screen is fixedly mounted on the first sleeve, a limiting ring is arranged on the upper portion of the first sleeve, the first sleeve is sleeved with the first spring, the first spring is positioned between the cover plate and the limiting ring, the limiting mechanism comprises a second elastic telescopic assembly and a wedge block, the second elastic telescopic assembly is connected with the inner wall of the installation cylinder, the wedge block is connected with the end of the second elastic telescopic assembly, and the limiting block is vertically connected with the lower end of the push rod and penetrates through the filter screen. Preferably, the filter screen is an inverted cone-shaped bucket structure. Preferably, the second elastic telescopic component comprises a second sleeve, a second movable rod and a third spring, the second sleeve is connected with the inner wall of the mounting cylinder, the end part of the second movable rod is slidably mounted on the inner side of the second sleeve along the length direction of the second sleeve, the outer end of the second movable rod is connected with the wedge-shaped block, and the third spring is arranged on the inner side of the second sleeve. Preferably, the stiffness coefficient of the second spring is greater than the stiffness coefficient of the first spring. Preferably, the perforations are "T" shaped in cross section. Preferably, a sealing ring is mounted on the peripheral side of the cover plate. Compared with the prior art, the utility model has the beneficial technical effects that the filter screen can be taken out of the inner side of the installation cylinder more quickly, so that impurities on the surface of the filter screen can be cleaned conveniently, the continuous filtering effect of the filter screen is ensured, and the whole taking-out process does not need manual participation, thereby avoiding pollution to hands of operators and being safer and more sanitary. Drawings Fig. 1 is a schematic structural view of the present utility model. Fig. 2 is a sectional view of the mounting cylinder according to the present utility model. Fig. 3 is a schematic structural view of a cover plate in the present utility model. Fig. 4 is a cross-sectional view of the first elastic expansion assembly of the present utility model. Fig. 5 is a cross-sectional view of the second elastic expansion assembly of the present utility model. The device comprises the following