A siphon rainwater elbow suitable for expansion joints
By designing siphon rainwater bent pipe fittings suitable for deformation joint positions, including bent pipe components and clamping components, the problem of the bent pipe fittings not being able to effectively drain rainwater, the effective discharge of leakage rainwater and the limit of the water stop belt is achieved, and the drainage effect is ensured.
Patent Information
- Application Number
- CN202421536154.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-01
- Publication Date
- 2025-04-08
- Estimated Expiration
- 2034-07-01
AI Technical Summary
The existing bent fittings cannot effectively drain rainwater at the deformed joint, resulting in rainwater leakage.
A siphon rainwater bend fitting is designed which includes a bend assembly and a clamping assembly inserted between the wall and the deformation joint. The flexure assembly includes a water barrier frame, a flexure pipe, a water inlet pipe and a water inlet. The clamping assembly includes a support plate, a limiting plate and a pressing member for limiting the water stop and preventing rainwater leakage.
Effectively discharge rainwater leakage between the deformed joints and the wall, prevent rainwater accumulation, ensure drainage effect, and avoid rainwater leakage caused by offset in the water stop.
Smart Images

Figure CN222730727U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of drainage elbow pipe fittings, and in particular relates to a siphon rainwater elbow pipe fitting suitable for a deformation joint position. Background Art
[0002] The elbow fittings that are conducive to siphon drainage are a conventional pipe connection device with multiple uses. They can change the flow direction of the pipe, reduce the pressure loss of the pipe, adjust the height and angle of the pipe, drain water, etc. The elbow fittings used for drainage transform the straight pipe into a curved pipe, change the direction of fluid drainage, and effectively achieve drainage. The elbow fittings are conducive to the siphon drainage principle and realize the drainage of high-level water to low-level water.
[0003] The bent pipe fittings used for drainage at the expansion joint position are connected to the drainage pipe to complete the drainage process. However, during long-term use, the gap between the expansion joint and the wall building becomes larger, or the position of the water stop belt changes, resulting in rainwater leakage, and the bent pipe fittings connected to the drainage pipe cannot drain the leaked rainwater; when the bent pipe fittings are used to connect the pipes for drainage at the expansion joint position, there is a problem that there is no design on the bent pipe fittings to drain the leaked rainwater. For this reason, the present application proposes a siphon rainwater bent pipe fitting suitable for the expansion joint position. Utility Model Content
[0004] The utility model aims to provide a siphon rainwater curved pipe member suitable for the position of a deformation joint, so as to solve the problem that the curved pipe member proposed in the above background technology has no design for draining the leaked rainwater.
[0005] To achieve the above purpose, the utility model provides the following technical solutions: a siphon rainwater curved pipe suitable for the position of a deformation joint, comprising
[0006] The elbow assembly inserted into the flow channel formed between the wall and the deformation joint includes a water retaining frame, an elbow pipe opening connected to one side of the water retaining frame, and a water inlet pipe and a water inlet distributed on the same side of the water retaining frame, wherein a guide plate is provided inside the water retaining frame;
[0007] The clamping assembly comprises a support plate installed on the water inlet pipe, a limit plate and a clamping member which are close to the support plate. The clamping member comprises a connecting plate, a connecting rod connected to the connecting plate, and an extrusion plate connected to the other end of the connecting rod.
[0008] Preferably, a water stop strip is provided on the deformation joint, the limiting plate is in a wavy line shape, and the water stop strip is in close contact with the limiting plate.
[0009] Preferably, the extruded plate is a mesh hollow structure in a semi-cylindrical shape.
[0010] Preferably, a vertical connecting column is provided on the connecting plate, a limiting cylinder is provided on the limiting plate, and a circular groove for the connecting column to be embedded is provided on the limiting cylinder.
[0011] Preferably, a mounting plate is provided on the bottom surface of the water inlet pipe, the mounting plate is an isosceles trapezoidal structure, an extension plate is provided on the side of the mounting plate away from one end of the water inlet pipe, and the mounting plate is flush with the surface on the same side of the extension plate.
[0012] Preferably, the water inlet pipe and the support plate are provided with communicating water flow holes, and the limiting plate is provided with seepage holes corresponding to the water flow holes.
[0013] Preferably, the elbow port is a elbow structure, the outer surface of the hollow water retaining frame is provided with a water stop tape, the cross-section of the end of the water inlet away from the water retaining frame is a frame structure, and an anti-backflow plate is provided on the inclined bottom end of the inclined guide plate.
[0014] Compared with the prior art, the beneficial effects of the utility model are:
[0015] In the utility model, the bent pipe is designed to drain leaked rainwater. Rainwater leaking from the waterstop enters the water inlet pipe and is discharged. Rainwater leaking between the deformation joint and the wall enters along the water inlet and is discharged. The waterstop is tightly attached to the limiting plate, and the extrusion plate presses the waterstop to limit the position of the waterstop, thereby preventing the waterstop from shifting and causing rainwater leakage from the waterstop. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the structure of the utility model;
[0017] Figure 2 It is a schematic diagram of the cross-sectional structure of the wall of the utility model;
[0018] Figure 3 This is a schematic diagram of the main structure of the bending pipe of the utility model;
[0019] Figure 4 For the utility model Figure 3 A schematic diagram of the enlarged structure of the middle part A;
[0020] Figure 5 This is a schematic diagram of the top view of the water retaining frame of the utility model;
[0021] Figure 6 It is a cross-sectional structural schematic diagram of the water retaining frame of the utility model;
[0022] In the figure: 1. wall; 2. expansion joint; 21. water stop; 31. elbow; 32. water retaining frame; 33. water inlet pipe; 34. water inlet; 41. limit plate; 42. connecting plate; 43. connecting rod; 44. extrusion plate; 321. water stop tape; 322. guide plate; 331. mounting plate; 332. support plate; 411. limit cylinder; 421. connecting column; 3221. backflow prevention plate. DETAILED DESCRIPTION
[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0024] Example
[0025] See also Figures 1 to 6 The utility model provides a technical solution: a siphon rainwater curved pipe member suitable for the position of a deformation joint, comprising a curved pipe assembly inserted into a flow channel formed between a wall 1 and a deformation joint 2, comprising a water retaining frame 32, a curved pipe opening 31 connected to one side of the water retaining frame 32, a water inlet pipe 33 and a water inlet 34 distributed on the same side of the water retaining frame 32, the water inlet pipe 33 of the curved pipe assembly is connected to a drainage pipe laid between the wall 1 and the deformation joint 2, and the discharged rainwater is discharged along the direction of the flow channel a, a guide plate 322 is provided inside the water retaining frame 32, and the guide plate 322 plays a role in guiding rainwater to prevent the rainwater discharged from the water inlet pipe 33 from being diverted into the water inlet 34. When the deformation joint 2 When the gap between the waterstop and the wall 1 becomes larger, or the position of the waterstop 21 changes, resulting in rainwater leakage, the water leaking from the waterstop 21 enters the water inlet pipe 33 and then is discharged, and the water leaking between the deformation joint 2 and the wall 1 is discharged along the direction of the flow channel b; the clamping assembly includes a support plate 332 installed on the water inlet pipe 33, a limiting plate 41 tightly attached to the support plate 332, and a clamping member, the clamping member includes a connecting plate 42, a connecting rod 43 connected to the connecting plate 42, and an extrusion plate 44 connected to the other end of the connecting rod 43. The waterstop 21 is tightly attached to the limiting plate 41, and the extrusion plate 44 presses the waterstop 21 to limit the waterstop 21 and prevent the waterstop 21 from deflecting.
[0026] In this embodiment, a waterstop 21 is provided on the deformation joint 2, and the limiting plate 41 is in a wavy line shape. The waterstop 21 is tightly attached to the limiting plate 41, and the extrusion plate 44 presses the waterstop 21 to limit the waterstop 21 and prevent the waterstop 21 from deflecting.
[0027] In this embodiment, the extrusion plate 44 is a semi-cylindrical mesh hollow structure, which facilitates rainwater on the water stop strip 21 to enter the water inlet pipe 33.
[0028] In this embodiment, a vertical connecting column 421 is provided on the connecting plate 42, a limiting cylinder 411 is provided on the limiting plate 41, a circular groove for the connecting column 421 to be embedded in the limiting cylinder 411, and the connecting column 421 is embedded in the limiting cylinder 411, so that the connecting plate 42 is in a stable state, and the extrusion plate 44 is installed stably.
[0029] In this embodiment, a mounting plate 331 is provided on the bottom surface of the water inlet pipe 33. The water inlet pipe 33 and the mounting plate 331 are combined by conventional methods. The mounting plate 331 is an isosceles trapezoidal structure. An extension plate is provided on the side of the mounting plate 331 away from one end of the water inlet pipe 33. The mounting plate 331 is flush with the surface on the same side of the extension plate. Screw holes are provided on the extension plate of the mounting plate 331, and bolts can be passed through the screw holes on the extension plate to facilitate fixing the mounting plate 331.
[0030] In this embodiment, the water inlet pipe 33 and the support plate 332 are provided with connected water flow holes, and the limiting plate 41 is provided with seepage holes corresponding to the water flow holes. The water stop strip 21 prevents rainwater from entering the water inlet pipe 33 and being discharged, thereby avoiding rainwater accumulation.
[0031] In this embodiment, the curved pipe mouth 31 is a curved pipe structure, and the outer surface of the hollow water retaining frame 32 is provided with a water stop tape 321. The water retaining frame 32 is consistent with the inner wall of the flow channel formed between the inserted wall 1 and the deformation joint 2. The water retaining frame 32 plays a sealing role. The cross-section of the end of the water inlet 34 away from the water retaining frame 32 is a frame structure, and an anti-backflow plate 3221 is provided on the inclined bottom end of the inclined guide plate 322 to prevent rainwater in the water retaining frame 32 from flowing back into the water inlet 34.
[0032] The working principle and use process of this utility model:
[0033] During use of the siphon elbow of the present application, the water retaining frame 32 is matched with the inner wall of the flow channel formed between the inserted wall 1 and the deformation joint 2, and the water inlet pipe 33 of the elbow assembly is connected to the drainage pipe laid between the wall 1 and the deformation joint 2, and the discharged rainwater is discharged along the direction of the flow channel a;
[0034] When the gap between the deformation joint 2 and the wall 1 becomes larger, or the position of the water stop 21 changes, resulting in rainwater leakage, the water leaking from the water stop 21 enters the water inlet pipe 33 along the seepage holes and the water flow holes and is then discharged, and the water leaking between the deformation joint 2 and the wall 1 is discharged along the direction of the flow channel b;
[0035] The water stop belt 21 is tightly attached to the limiting plate 41, and the squeezing plate 44 presses the water stop belt 21 to limit the position of the water stop belt 21, thereby preventing the water stop belt 21 from deflecting and causing rainwater leakage from the water stop belt 21;
[0036] To sum up: the bent pipe is designed to drain the leaked rainwater. The rainwater leaking from the water stop strip 21 enters the water inlet pipe 33 and is discharged. The rainwater leaking between the deformation joint 2 and the wall 1 enters along the water inlet 34 and is discharged along the direction of the flow channel b.
[0037] Although the embodiments of the present invention have been shown and described (see the above detailed description for details), it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A siphon rainwater elbow suitable for a deformation joint, characterized in that: include A curved pipe assembly inserted into a flow channel formed between a wall (1) and a deformation joint (2), comprising a water retaining frame (32), a curved pipe opening (31) connected to one side of the water retaining frame (32), and a water inlet pipe (33) and a water inlet (34) distributed on the same side of the water retaining frame (32); a guide plate (322) is provided inside the water retaining frame (32); The clamping assembly comprises a support plate (332) installed on a water inlet pipe (33), a limit plate (41) closely attached to the support plate (332), and a clamping member, wherein the clamping member comprises a connecting plate (42), a connecting rod (43) connected to the connecting plate (42), and an extrusion plate (44) connected to the other end of the connecting rod (43).
2. A siphon rainwater elbow pipe member suitable for a deformation joint according to claim 1, characterized in that: A water stop strip (21) is provided on the deformation joint (2), the limiting plate (41) is in a wave shape, and the water stop strip (21) is tightly attached to the limiting plate (41).
3. The siphon rainwater curved pipe member suitable for the position of the expansion joint according to claim 1, characterized in that: The extrusion plate (44) is a semi-cylindrical mesh hollow structure.
4. The siphon rainwater curved pipe member suitable for use at a deformation joint according to claim 1, characterized in that: The connecting plate (42) is provided with a vertical connecting column (421), the limiting plate (41) is provided with a limiting cylinder (411), and the limiting cylinder (411) is provided with a circular groove for the connecting column (421) to be embedded.
5. The siphon rainwater curved pipe member suitable for the position of the expansion joint according to claim 1, characterized in that: A mounting plate (331) is provided on the bottom surface of the water inlet pipe (33), the mounting plate (331) is an isosceles trapezoidal structure, an extension plate is provided on the side of the mounting plate (331) away from one end of the water inlet pipe (33), and the mounting plate (331) is flush with the surface on the same side as the extension plate.
6. The siphon rainwater curved pipe member suitable for the position of the expansion joint according to claim 1, characterized in that: The water inlet pipe (33) and the support plate (332) are provided with communicating water flow holes, and the limiting plate (41) is provided with water seepage holes corresponding to the water flow holes.
7. The siphon rainwater curved pipe member suitable for use at a deformation joint according to claim 1, characterized in that: The curved pipe opening (31) is a curved pipe structure, the outer surface of the hollow water retaining frame (32) is provided with a water-stopping tape (321), the cross section of one end of the water inlet (34) away from the water retaining frame (32) is a frame structure, and an anti-backflow plate (3221) is provided on the inclined bottom end of the inclined guide plate (322).