Quick connecting device for water supply and drainage pipelines
By designing a quick connection device for water supply and drainage pipes including threaded connections and fixing components, the problems of inconvenience and insufficient stability in the prior art are solved, and a fast, stable and sealed pipe connection is achieved.
Patent Information
- Application Number
- CN202421509818.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-28
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-06-28
AI Technical Summary
In the prior art, multiple fasteners are required to be used when connecting building water supply and drainage pipes, which are inconvenient to operate and insufficient connection stability.
A quick connection device for water supply and drainage pipes is designed to achieve quick connection and stable fixation of the first drainage pipe and the second drainage pipe through a combination of threaded connection and fixing components. The device includes a first connector and a second connector, and the connection sealing is ensured by a sealing rotary shaft and a sealing bearing.
The device simplifies the connection process of the water supply and drainage pipes, improves connection stability, and ensures the sealing of the connection through a sealing structure.
Smart Images
Figure CN222616255U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of drainage pipes, in particular to a quick connection device for water supply and drainage pipes. Background Art
[0002] Water pipes are water supply pipelines. Modern decoration water pipes are all constructed by buried wall. There are three types of water pipes. The first type is metal pipes, such as hot-dip cast iron pipes, copper pipes, stainless steel pipes, etc. with plastic lining. The second type is plastic-clad metal pipes, such as plastic-clad steel pipes, aluminum-plastic composite pipes, etc. The third type is plastic pipes, such as PB and PP-R.
[0003] At present, when connecting building water supply and drainage pipes on the market, multiple fasteners are usually used for connection. Although this connection method is relatively strong, it requires external tools to tighten the fasteners one by one during the connection, which is inconvenient to operate. Utility Model Content
[0004] In order to solve the defects in the prior art, the utility model provides a quick connection device for water supply and drainage pipes.
[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:
[0006] The utility model discloses a quick connection device for water supply and drainage pipes, comprising a first drainage pipe and a second drainage pipe, wherein one end of the first drainage pipe is connected to one end of the second drainage pipe via a connecting piece; the connecting piece comprises a first connecting head threadedly connected to one end of the first drainage pipe and a second connecting head threadedly connected to one end of the second drainage pipe, an end of the first connecting head away from the first drainage pipe is connected to a butt joint pipe via a sealing rotating shaft, an end of the second connecting head away from the second drainage pipe is connected to one end of the butt joint pipe via a sealing bearing, and both the first connecting head and the second connecting head are provided with fixing components fixed to the butt joint pipe.
[0007] As a preferred technical solution of the utility model, the fixing assembly includes a sleeve arranged on the first connecting head, a limit pin extending out of the end of the sleeve is provided inside the sleeve, a positioning block is provided on the butt joint pipe, and a positioning groove matching the end of the limit pin is opened at the end of the positioning block.
[0008] As a preferred technical solution of the utility model, the limit latch is provided with a limit push plate located inside the sleeve and a return spring sleeved on the limit latch and located inside the sleeve.
[0009] As a preferred technical solution of the utility model, a pull-connecting plate is provided at one end of the limit latch, and the outer end of the pull-connecting plate is connected to a pull ring via a rotating shaft.
[0010] As a preferred technical solution of the present invention, the outer walls of the first connector and the second connector are provided with a plurality of convex strips.
[0011] As a preferred technical solution of the utility model, the outer wall of the butt-joint pipe is provided with a plurality of grooves.
[0012] As a preferred technical solution of the utility model, the ends of the first drainage pipe and the second drainage pipe are both provided with external threaded connection parts, the inner walls of the first connecting head and the second connecting head are both provided with internal threaded connection parts threadedly connected to the external threaded connection parts, the inner wall of the butt pipe is provided with a convex ring, and the two side walls of the convex ring are provided with sealing gaskets.
[0013] The beneficial effects of the utility model are:
[0014] 1. This kind of quick connection device for water supply and drainage pipes, when connecting the first drainage pipe and the second drainage pipe, rotate the first connection head, the first connection head and the first drainage pipe are connected by threads, then rotate the second connection head, the second connection head and the second drainage pipe are connected by threads, and then fix the first connection head and the second connection head to the butt pipe by a fixing component, which not only facilitates the connection of the first drainage pipe and the second drainage pipe, but also improves the connection stability of the first drainage pipe and the second drainage pipe, and the provision of the sealing bearing improves the connection sealing of the first connection head and the second connection head and the butt pipe, and the threaded connection ensures the connection sealing of the first drainage pipe and the second drainage pipe with the first connection head and the second connection head respectively.
[0015] 2. This kind of water supply and drainage pipe quick connection device, after the first connecting head is connected to the first drainage pipe, and the second connecting head is connected to the second drainage pipe, the limit push plate is pushed to move under the action of the elastic potential energy of the reset spring, and the limit push plate pushes the limit pin to move, so that the limit pin matches and is plugged into the positioning groove on the positioning block, thereby preventing the first connecting head and the second connecting head from rotating. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:
[0017] Figure 1 It is a structural schematic diagram of a quick connection device for water supply and drainage pipes of the utility model;
[0018] Figure 2 This is a schematic diagram of the structure of a connector of a quick-connect device for water supply and drainage pipes of the utility model;
[0019] Figure 3The utility model is a cross-sectional view of a connector structure of a quick-connect device for water supply and drainage pipes.
[0020] In the figure: 1. first drainage pipe; 2. second drainage pipe; 3. connector; 4. first connector; 5. second connector; 6. butt joint; 7. fixing assembly; 8. sleeve; 9. limit pin; 10. positioning block; 11. positioning groove; 12. limit push plate; 13. reset spring; 14. pull plate; 15. pull ring; 16. convex strip; 17. groove; 18. external thread connection; 19. internal thread connection; 20. convex ring. DETAILED DESCRIPTION
[0021] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.
[0022] Example: Figure 1 , Figure 2 and Figure 3 As shown, the utility model is a quick connection device for water supply and drainage pipes, comprising a first drainage pipe 1 and a second drainage pipe 2, wherein one end of the first drainage pipe 1 is connected to one end of the second drainage pipe 2 via a connector 3; the connector 3 comprises a first connector 4 threadedly connected to one end of the first drainage pipe 1 and a second connector 5 threadedly connected to one end of the second drainage pipe 2, an end of the first connector 4 away from the first drainage pipe 1 is connected to a docking pipe 6 via a sealed rotating shaft, an end of the second connector 5 away from the second drainage pipe 2 is connected to one end of the docking pipe 6 via a sealed bearing, and the first connector 4 and the second connector 5 are both provided with a fixing component 7 fixed to the docking pipe 6.
[0023] The fixing assembly 7 includes a sleeve 8 arranged on the first connector 4, a limit pin 9 extending out of the end of the sleeve 8 is arranged inside the sleeve 8, a positioning block 10 is arranged on the butt pipe 6, and a positioning groove 11 matching the end of the limit pin 9 is opened at the end of the positioning block 10, the limit pin 9 is provided with a limit push plate 12 located inside the sleeve 8 and a return spring 13 sleeved on the limit pin 9 and located inside the sleeve 8, one end of the limit pin 9 is provided with a pull plate 14, the outer end of the pull plate 14 is connected to a pull ring 15 via a rotating shaft, and is connected to the first drain pipe at the first connector 4, and the second connector 5 is connected to the first drain pipe at the second connector 5. After being connected with the second drainage pipe 2, the limit push plate 12 is pushed to move under the action of the elastic potential energy of the reset spring 13, and the limit push plate 12 pushes the limit pin 9 to move, so that the limit pin 9 is matched and plugged with the positioning groove 11 on the positioning block 10, so as to avoid the first connector 4 and the second connector 5 from rotating. During disassembly, pull the pull ring 15, and the pull ring 15 drives the limit push plate 12 to move, and the limit push plate 12 drives the limit pin 9 to move, so that the end of the limit pin 9 is separated from the positioning groove 11, and then rotate the first connector 4 and the second connector 5 respectively to complete the disassembly.
[0024] The outer walls of the first connector 4 and the second connector 5 are provided with a plurality of ridges 16, and the outer wall of the butt joint 6 is provided with a plurality of grooves 17. The grooves 17 are provided to facilitate the gripping of the butt joint 6, and the ridges 16 are provided to facilitate the rotation of the first connector 4 and the second connector 5.
[0025] Among them, the ends of the first drainage pipe 1 and the second drainage pipe 2 are both provided with an external threaded connection part 18, the inner walls of the first connecting head 4 and the second connecting head 5 are both provided with an internal threaded connection part 19 threadedly connected to the external threaded connection part 18, the inner wall of the butt pipe 6 is provided with a convex ring 20, and the two side walls of the convex ring 20 are both provided with sealing gaskets, which are convenient for connecting the first drainage pipe 1 and the second drainage pipe 2. The threaded connection method can play a sealing role, and the setting of the sealing gasket makes the connection between the first drainage pipe 1 and the first connecting head 4 and the second drainage pipe 2 and the second connecting head 5 more sealed.
[0026] When working, this kind of quick connection device for water supply and drainage pipes, when connecting the first drainage pipe 1 and the second drainage pipe 2, rotates the first connection head 4, the first connection head 4 is connected to the first drainage pipe 1 through a thread, and then rotates the second connection head 5, the second connection head 5 is connected to the second drainage pipe 2 through a thread, and then fixes the first connection head 4 and the second connection head 5 to the butt joint 6 through the fixing component 7, which not only facilitates the connection of the first drainage pipe 1 and the second drainage pipe 2, but also improves the connection stability of the first drainage pipe 1 and the second drainage pipe 2, and the setting of the sealing bearing improves the connection sealing of the first connection head 4 and the second connection head 5 and the butt joint 6, and the threaded connection ensures the connection sealing of the first drainage pipe 1 and the second drainage pipe 2 with the first connection head 4 and the second connection head 5 respectively.
[0027] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.
Claims
1. A quick connection device for water supply and drainage pipes, comprising a first drainage pipe (1) and a second drainage pipe (2), characterized in that: One end of the first drainage pipe (1) is connected to one end of the second drainage pipe (2) via a connecting piece (3); The connecting member (3) comprises a first connecting head (4) threadedly connected to one end of the first drainage pipe (1) and a second connecting head (5) threadedly connected to one end of the second drainage pipe (2); an end of the first connecting head (4) away from the first drainage pipe (1) is connected to a butt joint (6) via a sealed rotating shaft; an end of the second connecting head (5) away from the second drainage pipe (2) is connected to one end of the butt joint (6) via a sealed bearing; and both the first connecting head (4) and the second connecting head (5) are provided with a fixing assembly (7) fixed to the butt joint (6).
2. A quick connection device for water supply and drainage pipes according to claim 1, characterized in that: The fixing assembly (7) comprises a sleeve (8) arranged on the first connector (4), a limit pin (9) extending from the end of the sleeve (8) is arranged inside the sleeve (8), a positioning block (10) is arranged on the butt joint pipe (6), and a positioning groove (11) matching the end of the limit pin (9) is arranged at the end of the positioning block (10).
3. A quick connection device for water supply and drainage pipes according to claim 2, characterized in that: The limit latch (9) is provided with a limit push plate (12) located inside the sleeve (8) and a return spring (13) sleeved on the limit latch (9) and located inside the sleeve (8).
4. A quick connection device for water supply and drainage pipes according to claim 3, characterized in that: One end of the limit latch (9) is provided with a pull-connecting plate (14), and the outer end of the pull-connecting plate (14) is connected to a pull ring (15) via a rotating shaft.
5. A quick connection device for water supply and drainage pipes according to claim 1, characterized in that: The outer walls of the first connecting head (4) and the second connecting head (5) are provided with a plurality of convex strips (16).
6. A quick connection device for water supply and drainage pipes according to claim 1, characterized in that: The outer wall of the butt joint pipe (6) is provided with a plurality of grooves (17).
7. A quick connection device for water supply and drainage pipes according to claim 1, characterized in that: The ends of the first drainage pipe (1) and the second drainage pipe (2) are both provided with external threaded connection parts (18), the inner walls of the first connector (4) and the second connector (5) are both provided with internal threaded connection parts (19) threadedly connected to the external threaded connection parts (18), the inner wall of the butt joint (6) is provided with a convex ring (20), and the two side walls of the convex ring (20) are both provided with sealing gaskets.