Nodular cast iron pipe double-insertion-pipe connecting and assembling structure
Through the assembly structure of the ductile iron pipe double-tube connection, the problem of high mold investment in the production of ductile iron pipes is solved, and the effect of simplifying production process and reducing costs is achieved.
Patent Information
- Application Number
- CN202421403616.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-19
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-06-19
AI Technical Summary
In the production of existing ductile iron pipes, a large number of different port pipe molds and reserves are required, resulting in high mold investment and increased production costs.
The dual-tube connection assembly structure of ductile iron pipe is adopted, including the first socket, the second socket and the connecting section. The sealing ring groove is arranged inside, and the sealing is achieved through the sealing rubber ring, which is suitable for the connection of various ductile iron pipes.
The casting pipe production process is simplified, the casting pipe mold and bulb tube product inventory of different interfaces is reduced, and the raw material consumption and production costs are reduced.
Smart Images
Figure CN222577566U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of pipeline construction, in particular to a double-insertion pipe connection and assembly structure for ductile iron pipes. Background Art
[0002] At present, the main products of ductile iron pipes are socket-and-spigot ductile iron pipes. In order to meet different working conditions, factories have to develop different socket pipe molds to meet production needs, resulting in a large number of pipe molds for ductile iron pipe production units, and a large number of product reserves are also required. Utility Model Content
[0003] The technical problem to be solved by the utility model is to provide a ductile iron pipe double-insert pipe connection assembly structure, which is suitable for connecting various ductile iron pipes and can reduce the mold investment of cast pipe products of production units.
[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:
[0005] A double-insert connection assembly structure for a ductile iron pipe comprises a first socket, a second socket and a connecting section; a sealing ring groove is arranged inside the first socket and the second socket; the first socket, the second socket and the connecting section are integrally formed; a first ductile iron pipe is inserted into the first socket, and a sealing rubber ring which is interference fit with the first ductile iron pipe is arranged in the sealing groove; a second ductile iron pipe is inserted into the first socket, and a sealing rubber ring which is interference fit with the second ductile iron pipe is arranged in the sealing groove.
[0006] A further improvement of the technical solution of the utility model is that the first socket and the second socket have the same diameter, and the connecting section is an equal-diameter pipe.
[0007] A further improvement of the technical solution of the utility model is that the first socket and the second socket have different diameters, and the connecting section is a reducing pipe.
[0008] A further improvement of the technical solution of the utility model is that the first socket and the second socket have the same diameter, the connecting section is a clamp, pipe body welding rings are arranged on the first socket and the second socket, a sealing groove is arranged between the first socket and the second socket, and a sealing rubber ring is arranged in the sealing groove.
[0009] Due to the adoption of the above technical solution, the technical progress achieved by the utility model is:
[0010] 1. The double-tube connection assembly structure of the ductile iron pipe in the utility model can replace the existing ductile iron pipes on the market.
[0011] 2. The double-insert pipe connection assembly structure of the ductile iron pipe in the utility model simplifies the casting pipe production process, reduces the casting pipe molds of centrifugal casting, reduces the inventory of ductile iron pipe products with different interfaces, reduces the consumption of raw materials, and reduces the production cost. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 This is a short pipe structure for double-insertion connection and assembly of ductile iron pipes in the utility model;
[0013] Figure 2 This is a ductile iron pipe double-insert pipe connection assembly sleeve structure intention in the utility model;
[0014] Figure 3 This is a ductile iron pipe double-tube connection assembly clamp structure in the utility model;
[0015] Among them, 1. a first ductile iron pipe, 2. a second ductile iron pipe, 3. a first socket, 4. a second socket, 5. a connecting section, 6. a sealing rubber ring, and 7. a pipe body welding ring. DETAILED DESCRIPTION
[0016] The present invention is further described in detail below with reference to the accompanying drawings and embodiments:
[0017] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" ... etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention 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 cannot be understood as a limitation on the present invention.
[0018] In addition, the terms "first", "second", etc. are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first", "second", etc. may explicitly or implicitly include at least one of the features. In the description of the present utility model, the meaning of "several" is at least two, such as two, three, etc., unless otherwise clearly and specifically defined.
[0019] A double-insert connection assembly structure of a ductile iron pipe comprises a first socket 3, a second socket 4 and a connecting section 5; a sealing ring groove is arranged inside the first socket 3 and the second socket 4; the first socket 3, the second socket 4 and the connecting section 5 are integrally formed; a first ductile iron pipe 1 is inserted into the first socket 3, and a sealing rubber ring 6 which is interference fit with the first ductile iron pipe 1 is arranged in the sealing groove; a second ductile iron pipe 2 is inserted into the first socket 3, and a sealing rubber ring 6 which is interference fit with the second ductile iron pipe 2 is arranged in the sealing groove; the calibers of the first socket 3 and the second socket 4 are the same or different.
[0020] Example 1
[0021] like Figure 1 As shown, in a short pipe structure for double-insertion connection of ductile iron pipes, the first socket 3 and the second socket 4 have the same diameter, and the connecting section 5 is an equal-diameter pipe.
[0022] Example 2
[0023] like Figure 2 As shown, in a short pipe structure for double-insertion connection of ductile iron pipes, the first socket 3 and the second socket 4 have different diameters, and the connecting section 5 is a reducing pipe.
[0024] Example 3
[0025] like Figure 3 As shown, in a short pipe structure for double-insert connection assembly of a ductile iron pipe, the first socket 3 and the second socket 4 have the same diameter, the connecting section 5 is a clamp, a pipe body welding ring 7 is arranged on the first socket 3 and the second socket 4, a sealing groove is arranged between the first socket 3 and the second socket 4, and a sealing rubber ring 6 is arranged in the sealing groove.
[0026] Directions:
[0027] The ductile iron pipe double-tube connection assembly is connected with the ductile iron double-tube and the connection socket, and the connection is sealed with a sealing rubber ring 6, wherein the ductile iron double-tube is formed by centrifugal casting. The connection socket and the connection pipe body are an integral whole, and are formed by casting processes such as lost foam casting and resin sand casting. The wall thickness of the ductile iron double-tube can be changed according to different working conditions. For example, the drainage pipe can use C10-C20 wall thickness, and the water supply pipe can use C25-C50 wall thickness, which can save the mold investment cost of the production unit. The connection socket can be changed according to the working conditions, such as T-type, K-type, A-type, O-type, SIA-type, XT3, Xanchor, W-type, W1-type, B-type and clamp-type interfaces.
[0028] In summary, the utility model abandons the traditional ductile iron pipe socket installation process. The double-spigot connection assembly scheme of the ductile iron pipe can be applied to various working conditions, especially to pipes used for preliminary tests in projects, low-pressure or no-pressure pipes, and single-piece and small-batch pipes, which can reduce the mold investment of cast pipe products of production units.
Claims
1. A ductile iron pipe double-tube connection assembly structure, characterized in that: The invention comprises a first socket (3), a second socket (4) and a connecting section (5); the first socket (3) and the second socket (4) are both provided with sealing ring grooves; the first socket (3), the second socket (4) and the connecting section (5) are integrally formed; a first ductile iron pipe (1) is inserted into the first socket (3), and a sealing rubber ring (6) which is interference-fitted with the first ductile iron pipe (1) is provided in the sealing groove; a second ductile iron pipe (2) is inserted into the first socket (3), and a sealing rubber ring (6) which is interference-fitted with the second ductile iron pipe (2) is provided in the sealing groove.
2. The ductile iron pipe double-insertion pipe connection assembly structure according to claim 1 is characterized in that: The first socket (3) and the second socket (4) have the same diameter, and the connecting section (5) is a pipe of equal diameter.
3. The double-tube connection assembly structure of ductile iron pipe according to claim 1 is characterized in that: The first socket (3) and the second socket (4) have different calibers, and the connecting section (5) is a reducing pipe.
4. The ductile iron pipe double-insertion pipe connection assembly structure according to claim 1, characterized in that: The first socket (3) and the second socket (4) have the same diameter, the connecting section (5) is a clamp, a pipe body welding ring (7) is provided on the first socket (3) and the second socket (4), a sealing groove is provided between the first socket (3) and the second socket (4), and a sealing rubber ring (6) is provided in the sealing groove.