Building water supply quick-connection pipe fitting
The design of the limiting rod and fastening mechanism solves the problems of long connection time and difficult disassembly of traditional building water supply quick-connect fittings, realizing quick connection and disassembly while ensuring sealing.
Patent Information
- Application Number
- CN202520389443.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-06
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-06
AI Technical Summary
Traditional quick-connect pipe fittings for building water supply are time-consuming to connect via threaded screws and are prone to rust, making disassembly difficult.
The design employs a limit rod and a fastening mechanism. The limit rod is inserted into the slot and locked by the fastening mechanism, enabling quick connection and disassembly. A rubber ring is used to achieve a seal.
It enables a quick and simple connection and disassembly process, improving connection efficiency and ensuring sealing.
Smart Images

Figure CN223725755U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipe fitting technical field especially relates to a building water supply quick coupling pipe fitting. BACKGROUND
[0002] Pipe fitting is the collective term of the parts in the pipeline system which play the role of connection, control, change direction, diversion, sealing and support, and pipe fitting is widely used in fluid conveying pipeline system in many fields such as building, chemical industry, petroleum and water conservancy. Quick coupling pipe fitting is a type of pipe fitting, which has the characteristics of quick connection and disassembly. Compared with the traditional pipe fitting connection mode, it does not need complex welding, screwing and other operations, and can significantly save installation and disassembly time and improve work efficiency.
[0003] A traditional building water supply quick coupling pipe fitting is connected by screwing, and because the screwing distance is long, the screwing amount is large and the time is long, and secondly, the threaded screwing part will rust for a long time when it contacts liquid, which makes it difficult to disassemble later. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a building water supply quick coupling pipe fitting which is quick and convenient to disassemble, effectively solving the problems in the above background technology.
[0005] To achieve the above object, the utility model provides the following technical scheme.
[0006] A building water supply quick coupling pipe fitting, comprising a connecting sleeve and a pipe body, the connecting sleeve has a spigot part on both sides, a communication hole is arranged in the connecting sleeve and communicates the spigot parts on both sides, one end of the pipe body is fixed with a plug-in part, the plug-in parts on the two pipe bodies are respectively matched and inserted into the corresponding spigot parts, the connecting sleeve is respectively provided with a clamping groove on both sides, a limiting rod is arranged on the plug-in part, the limiting rod is correspondingly clamped in the clamping groove, and the connecting sleeve is respectively provided with a fastening mechanism on both sides.
[0007] Therefore, the plug-in parts of the two pipe bodies are respectively inserted into the spigot parts, and the limiting rod on the plug-in part is matched and clamped into the clamping groove at the same time, then the pipe body is screwed to make the limiting rod reach the in-place state, and then the fastening mechanism is used to clamp and lock the limiting rod after reaching the in-place state, so that the limiting rod is prevented from being pulled out of the clamping groove, that is, the key quick connection is completed. The whole operation process is quick and simple, the time is short, the pipe fitting connection is more efficient, the clamping of the limiting rod is cancelled by operating the fastening mechanism, the limiting rod is pulled out of the clamping groove, and the disassembly is convenient.
[0008] Further, the clamping groove is composed of a guide groove and a guide groove arranged on the fastening mechanism, the guide groove is linear, the guide groove is inclined, and the tail part of the guide groove is connected with the head part of the guide groove.
[0009] The guide groove is inclinedly extended, and when the pipe body is screwed, the limiting rod can be guided to gradually approach the middle of the connecting sleeve, and the spigot part is also simultaneously guided to approach the middle of the connecting sleeve.
[0010] Further, the two side spigot parts and the side ends of the communication holes are respectively formed with step surfaces, and rubber rings are fixed on the two step surfaces and abut against the end surfaces of the spigot parts.
[0011] When the pipe body is installed in place, the end surface of the spigot part abuts against the rubber ring, and effective sealing is realized.
[0012] Further, the fastening mechanism comprises a stand fixed on the outer wall of the connecting sleeve and a bolt slidingly inserted into a sliding hole of the stand, and the limiting rod is provided with a clamping hole, and the bolt can be matched and inserted into the clamping hole to realize clamping.
[0013] Before the pipe body is rotated to the limiting rod in place, the bolt is pulled outward to make room for the limiting rod to pass through, and after the limiting rod is in place, the bolt is clamped into the clamping hole to realize clamping of the limiting rod.
[0014] Further, the end of the bolt is provided with a handle, and the outer diameter of the handle is greater than the hole diameter of the sliding hole.
[0015] Further, the bolt is externally sleeved with a spring, one end of the spring is fixedly connected with the handle, and the other end is fixedly connected with the side surface of the stand.
[0016] The clamping stability is ensured by the restraining effect of the spring, and the handle serves as a force exertion part and provides a mounting position for the end of the spring.
[0017] Compared with the prior art, the utility model has the beneficial effects as follows.
[0018] The spigot parts of the two pipe bodies are respectively inserted into the spigot parts, and the limiting rods on the spigot parts are matched and clamped into the clamping grooves, then the pipe body is screwed to make the limiting rods in place, and the fastening mechanism is used to clamp and lock the limiting rods in place to prevent the limiting rods from being pulled out of the clamping grooves, that is, the key quick connection is completed.
[0019] The clamping stability is ensured by the restraining effect of the spring, and the handle serves as a force exertion part and provides a mounting position for the end of the spring. DRAWINGS
[0020] Figure 1 It is the whole structure perspective view of the utility model;
[0021] Figure 2 It is the connecting sleeve surface structure schematic view in the utility model;
[0022] Figure 3 It is Figure 1 The structure cross section schematic view is shown in the figure;
[0023] Figure 4 It is Figure 3 The structure enlarged schematic view of A in the figure.
[0024] In the figure: 1, connecting sleeve; 11, spigot part; 12, communication hole; 13, step surface; 131, rubber ring; 14, guide groove; 15, guide groove; 2, pipe body; 21, plug-in part; 22, limiting rod; 221, clamping hole; 3, fastening mechanism; 31, stand; 311, sliding hole; 32, bolt; 33, pinch handle; 34, spring. DETAILED DESCRIPTION
[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0026] Please refer to Figures 1-4 The utility model provides a kind of building water supply quick connecting pipe fitting, including connecting sleeve 1 and pipe body 2, connecting sleeve 1 both sides have spigot part 11, connecting sleeve 1 is equipped with the communication hole 12 for communicating both sides spigot part 11, pipe body 2 one end is fixed with plug-in part 21, two plug-in parts 21 on pipe body 2 are respectively matched and inserted in corresponding spigot part 11, connecting sleeve 1 both sides are equipped with clamping groove, plug-in part 21 is equipped with limiting rod 22, limiting rod 22 is correspondingly clamped in clamping groove, connecting sleeve 1 both sides are equipped with fastening mechanism 3, and fastening mechanism 3 is used to clamp limiting rod 22 and is limited in clamping groove.
[0027] The building water supply quick connecting pipe is used, the inserting parts 21 of the two pipe bodies 2 are respectively inserted into the inserting parts 11, meanwhile, the limiting rods 22 on the inserting parts 21 are matched and clamped into the clamping grooves, then the pipe bodies 2 are screwed to make the limiting rods 22 to the in-place state, and then the in-place limiting rods 22 are clamped and locked by the fastening mechanism 3, so as to prevent the limiting rods 22 from being taken out of the clamping grooves, that is, the key quick connection is completed. The whole operation process is quick, simple, time-saving, and the pipe connection is more efficient. By operating the fastening mechanism 3 to cancel the clamping of the limiting rods 22, the limiting rods 22 are taken out of the clamping grooves, and the disassembly is convenient.
[0028] Specifically, the clamping groove is composed of the guide groove 14 and the guide groove 15 provided on the fastening mechanism 3. The guide groove 14 is linear, and the guide groove 15 is inclined. The tail of the guide groove 14 is connected with the head of the guide groove 15. The guide groove 14 is used to leave space for the limiting rod 22 when the inserting part 21 is inserted into the inserting part 11. The guide groove 15 is inclined and extends, and can guide the limiting rod 22 to gradually approach the middle of the connecting sleeve 1 when the pipe body 2 is screwed, and then drive the inserting part 21 to synchronously approach the middle of the connecting sleeve 1.
[0029] The step faces 13 are respectively formed between the two inserting parts 11 and the side ends of the communication holes 12. With the screwing of the pipe body 2, the limiting rod 22 and the inserting part 21 are guided to approach the middle of the connecting sleeve 1 by the shape of the guide groove 15, until the limiting rod 22 reaches the limit position, that is, the pipe body 2 is installed in place, then the limiting rod 22 is clamped and fastened by the fastening mechanism 3.
[0030] As a preferred scheme, the two step faces 13 are respectively fixed with rubber rings 131. The rubber rings 131 are matched with the end faces of the inserting parts 21. By arranging the rubber rings 131 on the step faces 13, the end faces of the inserting parts 21 are tightly matched with the rubber rings 131 when the pipe body 2 is installed in place, so as to realize effective sealing.
[0031] Specifically, the fastening mechanism 3 includes a stand 31 fixed on the outer wall of the connecting sleeve 1 and a latch 32 slidingly inserted into a sliding hole 311 of the stand 31. The limiting rod 22 is provided with a clamping hole 221, and the latch 32 can be matched and inserted into the clamping hole 221 to realize clamping. Before the pipe body 2 is rotated to the in-place limiting rod 22, the space is left by pulling the latch 32 outward, so that the limiting rod 22 can pass through. After the limiting rod 22 is in place, the latch 32 is clamped into the clamping hole 221 to realize the clamping of the limiting rod 22. When disassembling, the latch 32 can be pulled out of the clamping hole 221.
[0032] Specifically, the end of the latch 32 is provided with a handle 33, and the outer diameter of the handle 33 is greater than the hole diameter of the sliding hole 311. By pinching the handle 33, the latch 32 can be conveniently pushed and pulled to adjust.
[0033] Specifically, the plug 32 is externally sleeved with a spring 34, one end of the spring 34 is fixedly connected with the handle 33, and the other end is fixedly connected with the side surface of the stand 31; when the plug 32 is pulled outward, the spring 34 is compressed to store power; after the limiting rod 22 is in place, the plug 32 is aligned with the clamping hole 221, the plug 32 is loosened, the spring 34 is reset by the elastic force, the plug 32 is automatically inserted into the clamping hole 221 for clamping, meanwhile, the spring 34 is used to limit the plug 32 from being pulled out of the clamping hole 221, and the stability during clamping is ensured. In addition, the handle 33 is used as a clamping force providing part and provides a mounting position for the end of the spring 34, and the two functions are achieved at one time.
[0034] The above is a detailed description of the utility model in combination with specific embodiments, and the specific implementation mode of the utility model cannot be limited to these descriptions. For ordinary skilled persons in the technical field to which the utility model belongs, a number of equivalent substitutions or obvious modifications can be made without departing from the concept of the utility model, and the performance or use is the same, and all should be regarded as belonging to the patent protection range determined by the submitted claims of the utility model.
Claims
1. A building water supply quick connecting pipe joint, comprising a connecting sleeve (1) and a pipe body (2), characterized in that: the connecting sleeve (1) has spigot portions (11) on both sides, and a communication hole (12) is arranged in the connecting sleeve (1) to communicate the spigot portions (11) on both sides; one end of the pipe body (2) is fixed with a plug-in portion (21), and the plug-in portions (21) on the two pipe bodies (2) are respectively matched and plugged into the corresponding spigot portions (11); the connecting sleeve (1) is respectively provided with a clamping groove on both sides, the plug-in portion (21) is provided with a limiting rod (22), and the limiting rod (22) is correspondingly clamped in the clamping groove; and the connecting sleeve (1) is respectively provided with a fastening mechanism (3) on both sides, and the fastening mechanism (3) is used for clamping and limiting the limiting rod (22) in the clamping groove.
2. The building water supply quick connecting pipe joint according to claim 1, characterized in that: the clamping groove is composed of a guide groove (14) and a guide groove (15) arranged on the fastening mechanism (3); the guide groove (14) is linear, the guide groove (15) is inclined, and the tail of the guide groove (14) is connected to the head of the guide groove (15).
3. The building water supply quick connecting pipe joint according to claim 1, characterized in that: a stepped surface (13) is respectively formed between the spigot portion (11) and the side end of the communication hole (12) on both sides; and a rubber ring (131) is fixed on the two stepped surfaces (13), and the rubber ring (131) is correspondingly matched with the end surface of the plug-in portion (21).
4. The building water supply quick connecting pipe joint according to claim 1, characterized in that: the fastening mechanism (3) comprises a stand (31) fixed on the outer wall of the connecting sleeve (1) and a bolt (32) slidingly inserted into a sliding hole (311) of the stand (31); and the limiting rod (22) is provided with a clamping hole (221), and the bolt (32) can be matched and inserted into the clamping hole (221) to realize clamping.
5. The building water supply quick connecting pipe joint according to claim 4, characterized in that: an end of the bolt (32) is provided with a handle (33), and the outer diameter of the handle (33) is greater than the hole diameter of the sliding hole (311).
6. The building water supply quick connecting pipe joint according to claim 5, characterized in that: the bolt (32) is externally provided with a spring (34), one end of the spring (34) is fixedly connected with the handle (33), and the other end is fixedly connected with the side surface of the stand (31).