External siphon negative pressure water collecting device
By installing an external siphon negative pressure water collection device on the outside of the old gutter, the negative pressure is generated by the siphon principle and the breather valve, which solves the problem of insufficient drainage capacity of old buildings, achieves efficient siphon drainage effect and reduces renovation costs.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2026-04-07
AI Technical Summary
The old-fashioned gutters in older buildings cannot meet the installation requirements of siphon systems, resulting in limited drainage capacity and high renovation costs.
An external siphon negative pressure water collection device is installed on the outside of the old-style gutter, including a tank and a siphon rainwater bucket. The siphon principle is used to create a negative pressure state through a breather valve to accelerate the discharge of rainwater, and the siphon water pipe is connected for drainage.
It improved the drainage effect of old buildings, simplified the renovation plan, reduced the renovation cost, and facilitated maintenance.
Smart Images
Figure CN224092856U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to roof drainage field, concretely is a kind of external siphon negative pressure water-collecting device. BACKGROUND
[0002] Old-fashioned gutter of old building roof is generally connected to ground drainage by four to six vertical pipes, which utilizes the gravity of rainwater to drain, and has limited drainage capacity and is easy to be blocked. Newer buildings often use siphon rainwater head installation in gutter to improve drainage effect, but old-fashioned gutter cannot meet the requirements of siphon system and installation of siphon rainwater head due to its location and space size. If new external gutter is built outside old building, the cost is too high, and the cost and effort are large. SUMMARY
[0003] The utility model aims at providing a kind of external siphon negative pressure water-collecting device, which improves the drainage effect of old building by using siphon rainwater head on the basis of suitable cost.
[0004] To achieve the above object, the utility model provides the following technical scheme: the external siphon negative pressure water-collecting device is arranged outside the old-fashioned gutter of the building, and includes a tank body and a siphon rainwater head. The siphon rainwater head is arranged at the bottom of the tank body, with its water suction port inside the tank body and water outlet outside the tank body. The water outlet is connected to a siphon water pipe arranged outside the building through a water pipe. A breather valve is arranged at the top of the tank body, and a water pipe is connected to the old-fashioned gutter at the upper end of the side wall.
[0005] Preferably, a plurality of external siphon negative pressure water-collecting devices are arranged outside the old-fashioned gutter.
[0006] Preferably, a plurality of external siphon negative pressure water-collecting devices and a siphon water pipe are arranged on opposite sides of the building.
[0007] Preferably, a plurality of external siphon negative pressure water-collecting devices on the same side of the building share a siphon water pipe, which includes a siphon horizontal pipe and a siphon vertical pipe connected in series. Each siphon rainwater head is connected to the siphon horizontal pipe through a water pipe.
[0008] Preferably, a support frame is arranged outside the old-fashioned gutter, which is used for installing the tank body and hoisting the siphon horizontal pipe.
[0009] Preferably, a T-shaped air pipe is arranged at the top of the tank body, and the breather valve is installed inside the air pipe.
[0010] Preferably, a support frame is arranged outside the old-fashioned gutter, which is used for installing the tank body.
[0011] Compared with the prior art, the utility model has the beneficial effects that: the utility model discloses an external siphon negative pressure water collecting device, so that the old-fashioned gutter that cannot install the siphon rainwater head can also carry out siphon drainage, improve the drainage effect of the building, and the high-cost external gutter is avoided, the reconstruction scheme of the old building is simplified, and the maintenance of the old building is facilitated. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a structural schematic diagram of the utility model embodiment;
[0013] Figure 2 It is Figure 1 It is the actual application schematic diagram of the embodiment;
[0014] Figure 3 It is Figure 2 It is a side schematic diagram of a set of drainage device in the utility model;
[0015] Figure 4 It is Figure 3 It is the enlarged schematic diagram of A part in the utility model DETAILED DESCRIPTION
[0016] The utility model discloses an external siphon negative pressure water collecting device, which is arranged outside the old-fashioned gutter of a building. As shown in the drawings, a set of external siphon negative pressure water collecting devices includes a tank body 1 and a siphon rainwater head. Figure 1 The siphon rainwater head adopts a conventional structure in the industry, and the utility model does not require the structure, and the part of the structure is hidden in the drawing.
[0017] The side wall upper end of the tank body 1 is connected with an access water pipe 2, and the other end of the access water pipe 2 is connected to the old-fashioned gutter, so as to access rainwater and transmit to the inside of the tank body 1. The outer edge of the siphon rainwater head is welded to the bottom of the tank body 1, the water suction port is located in the inside of the tank body 1, the water outlet is located outside the tank body 1, and the water outlet is connected with a discharge water pipe 3. The top of the tank body 1 is fixed with a T-shaped ventilation pipe 4, the ventilation pipe 4 is internally provided with a breather valve, and the breather valve has a one-way ventilation effect.
[0018] When water enters the tank body 1, the air in the tank body 1 is discharged from the ventilation pipe 4, and when the accumulated water reaches a certain degree, a negative pressure state is formed in the tank body 1, so that the siphon rainwater head works, thereby accelerating the rainwater discharge.
[0019] Figures 2 to 4 It shows that the external siphon negative pressure water collecting device is actually applied to a building 8, and the east and west sides of the building 8 are provided with support frame bodies 7, each set of support frame body 7 is correspondingly provided with a set of drainage device, and the set of drainage device includes four sets of external siphon negative pressure water collecting devices and a set of siphon water pipes.
[0020] For the building 8, a plurality of sets of external siphon negative pressure water collecting devices are arranged on opposite sides of the building, which can symmetrically improve the drainage effect on both sides of the building, and the plurality of sets of external siphon negative pressure water collecting devices on the same side of the building only need one siphon water pipe.
[0021] The siphon water pipe is arranged on the outside of the building and below the external siphon negative pressure water collecting device, and one siphon water pipe includes one siphon horizontal pipe 5 and one siphon vertical pipe 6 connected in communication. The external siphon negative pressure water collecting device is fixed in the frame of the support frame body 7 at equal intervals, and the support frame body 7 can also hoist the siphon horizontal pipe 5, which eliminates the operation of fixing the siphon horizontal pipe 5 on the outer wall of the building 8.
[0022] Referring to Figure 4 The siphon rainwater head in each set of external siphon negative pressure water collecting devices can be connected to the siphon horizontal pipe 5 through a shorter outlet water pipe 3, so that the rainwater is guided to the siphon vertical pipe 6 through the siphon horizontal pipe 5 and then discharged to the ground. Through one siphon water pipe, the drainage efficiency can be greatly improved, and the problem of using multiple vertical pipes arranged at equal intervals to achieve drainage is improved.
[0023] In summary, the external siphon negative pressure water collecting device is designed, so that the old-fashioned gutter that cannot install a siphon rainwater head can also perform siphon drainage, and the drainage effect of the building is improved. At the same time, the high-cost external gutter is eliminated, the renovation scheme of the old building is simplified, and the maintenance of the old building is facilitated.
[0024] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not intended to limit the present application. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some technical features, as long as they are within the spirit and principles of the present application. Any modification, equivalent replacement, improvement, etc. made within the scope of the present application shall be included in the protection scope of the present application.
Claims
1. An external siphon negative pressure water collection device, characterized in that: Located on the outside of the building's existing old-style gutter, the system includes a tank and a siphon rainwater hopper. The siphon rainwater hopper is located at the bottom of the tank, with its intake located inside the tank and its outlet located outside the tank. The outlet is connected to the siphon water pipe located on the outside of the building via a water pipe. A breather valve is installed on the top of the tank, and the upper end of the side wall is connected to the old-style gutter via a water pipe.
2. The external siphon negative pressure water collection device according to claim 1, characterized in that: Multiple sets of external siphon negative pressure water collection devices are installed on the outside of the old-style gutter.
3. The external siphon negative pressure water collection device according to claim 1, characterized in that: Multiple sets of external siphon negative pressure water collection devices and a set of siphon water pipes are installed on both sides of the building.
4. The external siphon negative pressure water collection device according to claim 2 or 3, characterized in that: Multiple sets of external siphon negative pressure water collection devices located on the same side of the building share a set of siphon water pipes. The siphon water pipes include interconnected siphon horizontal pipes and siphon vertical pipes. Each siphon rainwater bucket is connected to the siphon horizontal pipe through a water pipe.
5. The external siphon negative pressure water collection device according to claim 4, characterized in that: The outer side of the old-style gutter is equipped with a support frame, which is used to install the tank and hoist the siphon horizontal pipe.
6. The external siphon negative pressure water collection device according to claim 1, characterized in that: The top of the tank is equipped with a T-shaped vent pipe, and the breathing valve is installed inside the vent pipe.
7. The external siphon negative pressure water collection device according to claim 1, characterized in that: The outer side of the old-style gutter is provided with a support frame, which is used to install the tank.