Quick connecting device convenient to maintain for waterworks pipeline network
The waterworks pipeline connection device, with its pre-fixed structure and multi-seal design, solves the problems of cumbersome installation and poor sealing in traditional connection methods, achieving rapid installation and efficient sealing, reducing maintenance difficulty and cost, and ensuring the stable operation of the pipeline system.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- GUANGXI BEITOU IND CO LTD
- Filing Date
- 2025-05-09
- Publication Date
- 2026-04-10
AI Technical Summary
Traditional waterworks pipeline connection methods are cumbersome to install, have poor sealing performance, and are difficult to maintain, affecting construction and maintenance costs and normal operation.
It adopts a pre-fixed structure and a multi-seal design, including first and second fixing rings, insert rod, rubber inner ring and rubber sealing ring. The insert rod provides initial positioning and the multi-seal structure to achieve quick connection and efficient sealing, while the fixing bolt further enhances stability.
It enables rapid installation, improves construction efficiency, ensures sealing, reduces maintenance difficulty and cost, and guarantees the stable operation of the pipeline system.
Smart Images

Figure CN224107840U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipeline connecting device technical field, concretely is a quick connecting device of waterworks pipeline pipe network convenient to maintain. BACKGROUND
[0002] In the pipeline pipe network system of waterworks, the connection of pipeline is very important. The traditional pipeline connection mode has many inconveniences in the installation and maintenance process, such as complicated connection operation, poor sealing performance and difficult disassembly during maintenance, etc. This not only increases the time cost of construction and maintenance, but also may affect the normal operation of waterworks. Therefore, the technical personnel in the field provide a quick connecting device of waterworks pipeline pipe network convenient to maintain to solve the problems raised in the above background technology. SUMMARY
[0003] The utility model aims at providing a quick connecting device of waterworks pipeline pipe network convenient to maintain to solve the problems raised in the above background technology.
[0004] To achieve the above object, the utility model provides the following technical scheme:
[0005] A quick connecting device of waterworks pipeline pipe network convenient to maintain, including first connecting pipe and second connecting pipe, the one end of first connecting pipe is installed with first fixed ferrule, the one end of second connecting pipe is installed with second fixed ferrule, the top and lower part that first fixed ferrule and second fixed ferrule are together is provided with pre-fixing structure, and the both sides that first fixed ferrule and second fixed ferrule are together are provided with fixed bolt;
[0006] The pre-fixing structure includes first docking seat, plug rod and second docking seat, the first docking seat is installed on first fixed ferrule, the one end of first docking seat is provided with plug rod transversely in the middle, the outer end of plug rod is provided with threaded section, and the upper end of plug rod is provided with elastic limiting protrusion, the second docking seat is installed on second fixed ferrule, and the middle part of second docking seat is provided with insertion hole.
[0007] As a further scheme of the utility model: the inside of first fixed ferrule is provided with embedded groove, the inner side wall of embedded groove is provided with rubber inner layer ring, four insertion grooves are equidistantly set up on rubber inner layer ring.
[0008] As a further scheme of the utility model: the one end of second fixed ferrule is provided with embedded head, the outside of embedded head is provided with embedded protrusion matched with insertion groove, and the side wall of second fixed ferrule is provided with rubber sealing ring.
[0009] As a further scheme of the utility model: the plug rod of the first butt joint seat one end inserts into the jack of the second butt joint seat inside and is fixed with the fastening nut.
[0010] As a further scheme of the utility model: the plug rod is provided with a pressing groove, a spring is arranged in the pressing groove, an elastic limiting protrusion is installed on the upper end of the spring, the width of the elastic limiting protrusion is same with the width of the pressing groove, and the depth of the elastic limiting protrusion is less than the depth of the pressing groove.
[0011] As a further scheme of the utility model: the outer side of the elastic limiting protrusion is arc structure, and the inner side of the elastic limiting protrusion is vertical structure.
[0012] Compared with the prior art, the utility model has the beneficial effects that:
[0013] Through the design of the pre-fixing structure, when installing, the plug rod on the first butt joint seat can be quickly inserted into the jack of the second butt joint seat, and the elastic limiting protrusion is used for limiting, thereby realizing the preliminary positioning of the first fixed sleeve and the second fixed sleeve, compared with the traditional connection mode, the installation time is greatly shortened, and the construction efficiency is improved.
[0014] Efficient sealing function: the cooperation of the rubber inner layer ring, the rubber sealing ring and the embedded protrusion and the insertion slot forms a multiple sealing structure. This design can effectively prevent leakage of tap water at the connection, ensure the sealing performance of the pipeline system of the water plant and the stability of water supply, avoid water resource waste and other problems caused by leakage.
[0015] Convenient maintenance function: when the pipeline needs to be maintained or replaced, only the fastening nut is loosened, the elastic limiting protrusion is pressed, the spring is compressed into the pressing groove, the plug rod can be easily pulled out, and then the first fixed sleeve and the second fixed sleeve are separated, so that the pipeline can be conveniently and quickly repaired or replaced, the maintenance difficulty and cost are reduced, and the water stop time caused by maintenance is reduced.
[0016] Stable fixing function: the fixed bolt and the pre-fixing structure cooperate with each other, the fixed bolt further strengthens the stability of the connection after being pre-fixed, so that the first connecting pipe and the second connecting pipe can bear the water pressure in the pipeline and the influence of the external environment after being connected, ensuring the reliability of the pipeline connection and the long-term stable operation of the pipeline system of the water plant BRIEF DESCRIPTION OF DRAWINGS
[0017] Fig. 1 It is a structure schematic view of a kind of self-closing water plant pipeline network quick connecting device convenient to maintain;
[0018] Fig. 2 It is the separation structure schematic view of the first fixed sleeve and the second fixed sleeve in a kind of self-closing water plant pipeline network quick connecting device convenient to maintain.
[0019] Fig. 3 It is a kind of pre-fixing structure's structure schematic diagram in the quick connecting device of the pipeline network of the waterworks convenient to maintain;
[0020] Fig. 4 It is the installation structure schematic diagram of elastic limiting protrusion in the quick connecting device of the pipeline network of the waterworks convenient to maintain.
[0021] In the figure: 1, first connecting pipe;2, fixed bolt;3, first fixed sleeve ring;4, pre-fixing structure;5, second fixed sleeve ring;6, second connecting pipe;7, first docking seat;8, insertion rod;9, elastic limiting protrusion;10, threaded section;11, insertion slot;12, rubber inner layer ring;13, embedding groove;14, embedding head;15, embedding protrusion;16, rubber sealing ring;17, insertion hole;18, second docking seat;19, fastening nut;20, pressing groove, 21, spring. DETAILED DESCRIPTION
[0022] Please refer to Figs. 1-4 , the utility model discloses a kind of quick connecting device of the pipeline network of the waterworks convenient to maintain in the embodiment, including first connecting pipe 1 and second connecting pipe 6, first connecting pipe 1 one end is equipped with first fixed sleeve ring 3, and second connecting pipe 6 one end is equipped with second fixed sleeve ring 5. The top and lower portion of first fixed sleeve ring 3 and second fixed sleeve ring 5 combined together are provided with pre-fixing structure 4, and both sides are provided with fixed bolt 2. Pre-fixing structure 4 is preliminary positioned to two fixed sleeve rings first, facilitate subsequent fixation, and fixed bolt 2 further strengthens the stability of connection.
[0023] Pre-fixing structure 4 is composed of first docking seat 7, insertion rod 8 and second docking seat 18. First docking seat 7 is installed on first fixed sleeve ring 3, and its one end middle part is provided with insertion rod 8, and the outer end of insertion rod 8 is equipped with threaded section 10, and the upper end is provided with elastic limiting protrusion 9;Second docking seat 18 is installed on second fixed sleeve ring 5, and middle part is provided with insertion hole 17. When installing, insertion rod 8 is inserted into insertion hole 17, and elastic limiting protrusion 9 can prevent insertion rod 8 from falling off before fastening, and then fastening nut 19 is screwed through threaded section 10 to realize firm fixation.
[0024] First fixed sleeve ring 3 is provided with embedding groove 13 inside, and rubber inner layer ring 12 is mounted on inner side wall, and four insertion slots 11 are equidistantly provided on rubber inner layer ring 12;Second fixed sleeve ring 5 is provided with embedding head 14 at one end, and is provided with embedding protrusion 15 matched with insertion slot 11 on the outside, and is further provided with rubber sealing ring 16 on side wall. In the process of connection, embedding head 14 is inserted into embedding groove 13, embedding protrusion 15 cooperates with insertion slot 11, and rubber inner layer ring 12 and rubber sealing ring 16 jointly act, form multiple seals, effectively prevent tap water from leaking.
[0025] The press groove 20 is provided on the plug rod 8, and the spring 21 is arranged inside the press groove 20. The upper end of the spring 21 is provided with the elastic limiting protrusion 9. The width of the elastic limiting protrusion 9 is the same as that of the press groove 20, the depth of the elastic limiting protrusion 9 is smaller than that of the press groove 20, and the outer side is in an arc structure and the inner side is in a vertical structure. When the plug rod 8 is inserted, the arc outer side is convenient to enter the insertion hole 17. After being inserted, the elastic limiting protrusion 9 is clamped in the insertion hole 17 under the action of the spring 21, so that the plug rod 8 is prevented from being pulled out. When being disassembled, the elastic limiting protrusion 9 is pressed to compress the spring 21 into the press groove 20, so that the plug rod 8 can be pulled out, and the operation is simple and convenient.
[0026] The working principle of the utility model is: the first connecting pipe 1 and the second connecting pipe 6 are placed according to the design position, and the first fixed sleeve ring 3 and the second fixed sleeve ring 5 are opposite.
[0027] The embedding head 14 of the second fixed sleeve ring 5 is aligned with the embedding groove 13 of the first fixed sleeve ring 3, and is slowly pushed, so that the embedding protrusion 15 is inserted into the insertion groove 11. At this time, the rubber inner ring 12 and the rubber sealing ring 16 are preliminarily contacted and play a certain sealing role.
[0028] The plug rod 8 on the first butt joint base 7 is aligned with the insertion hole 17 of the second butt joint base 18, and is gently inserted. In the insertion process, the elastic limiting protrusion 9 on the plug rod 8 is extruded by the inner wall of the insertion hole 17, and the spring 21 is compressed into the press groove 20. When the plug rod 8 is completely inserted, the elastic limiting protrusion 9 is popped out under the action of the spring 21, so that the plug rod 8 is prevented from being pulled out.
[0029] The fastening nut 19 is screwed on the threaded section 10 of the plug rod 8 by using a tool, and the nut is tightened, so that the first butt joint base 7 and the second butt joint base 18 are firmly connected, the fixing of the first fixed sleeve ring 3 and the second fixed sleeve ring 5 is completed, and the quick and stable connection of the first connecting pipe 1 and the second connecting pipe 6 is realized.
[0030] When the pipeline needs to be maintained or replaced, the fastening nut 19 is loosened by using a tool, so that the fastening force of the plug rod 8 is not applied. The elastic limiting protrusion 9 is pressed by fingers or a tool, so that the spring 21 is compressed into the press groove 20 by overcoming the elastic force of the spring 21. The plug rod 8 is pulled out from the insertion hole 17 of the second butt joint base 18 by holding the plug rod 8, the first butt joint base 7 and the second butt joint base 18 are separated, the first fixed sleeve ring 3 and the second fixed sleeve ring 5 are separated, and the first connecting pipe 1 and the second connecting pipe 6 can be maintained, repaired or replaced.
[0031] The above is only the preferred specific embodiment of the utility model, but the protection scope of the utility model is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.
Claims
1. A quick connection device for the pipe network of a waterworks that is easy to maintain, comprising a first connecting pipe (1) and a second connecting pipe (6), characterized in that, One end of the first connecting pipe (1) is provided with a first fixed sleeve (3), one end of the second connecting pipe (6) is provided with a second fixed sleeve (5), the top and bottom of the first fixed sleeve (3) and the second fixed sleeve (5) are provided with a pre-fixing structure (4), and the two sides of the first fixed sleeve (3) and the second fixed sleeve (5) are provided with a fixed bolt (2). The pre-fixing structure (4) comprises a first docking seat (7), a plug rod (8) and a second docking seat (18), the first docking seat (7) is installed on the first fixed sleeve (3), the first docking seat (7) is provided with a plug rod (8) in the middle of one end, the outer end of the plug rod (8) is provided with a threaded section (10), and the upper end of the plug rod (8) is provided with an elastic limiting protrusion (9), the second docking seat (18) is installed on the second fixed sleeve (5), and the middle of the second docking seat (18) is provided with a plug hole (17).
2. A quick connect device for water mains and pipelines in a water treatment plant for ease of maintenance, according to claim 1, characterized in that, The inside of the first fixed sleeve (3) is provided with an embedded groove (13), the inner side wall of the embedded groove (13) is provided with a rubber inner layer ring (12), and four insertion grooves (11) are equidistantly arranged on the rubber inner layer ring (12).
3. A quick connect device for a water treatment plant pipe network according to claim 2, wherein, One end of the second fixed sleeve (5) is provided with an embedded head (14), the outer side of the embedded head (14) is provided with an embedded protrusion (15) matched with the insertion groove (11), and the side wall of the second fixed sleeve (5) is provided with a rubber sealing ring (16).
4. A quick connect device for water utility pipe networks of claim 1, wherein, The plug rod (8) at one end of the first docking seat (7) is inserted into the plug hole (17) in the inside of the second docking seat (18) and is fixed by a fastening nut (19).
5. A quick connect device for waterworks pipe networks according to claim 1, characterized in that, The plug rod (8) is provided with a pressing groove (20), the inside of the pressing groove (20) is provided with a spring (21), the upper end of the spring (21) is provided with an elastic limiting protrusion (9), the width of the elastic limiting protrusion (9) is the same as the width of the pressing groove (20), and the depth of the elastic limiting protrusion (9) is less than the depth of the pressing groove (20).
6. A quick connect device for a water treatment plant pipe network according to claim 5, wherein, The outer side of the elastic limiting protrusion (9) is an arc structure, and the inner side of the elastic limiting protrusion (9) is a vertical structure.