Forged trouser type Y-shaped tee joint structure
By designing a forged trouser-style Y-tee structure and adopting telescopic connection components and a sealing gasket system, the problems of pipe network damage and sealing during tee replacement in air conditioning piping systems were solved, achieving non-destructive connection and sealing effect.
Patent Information
- Application Number
- CN202520588156.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-02-03
- Estimated Expiration
- 2035-03-31
AI Technical Summary
In air conditioning piping systems, existing technologies can easily damage the existing piping network when replacing T-junctions, and the connections are not sufficiently sealed.
A forged trouser-type Y-tee structure is designed, which adopts a telescopic connection component and a sealing gasket system. The adjustable length connection of the pipeline is achieved by the cooperation of the internal threaded sleeve and the inner nut of the main pipe, and a seal is formed by the fixed gasket and the movable gasket.
This avoids damage to existing pipelines, enables adjustable length connections between pipes, and ensures sealing to prevent leaks.
Smart Images

Figure CN223868785U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tee connectors, specifically a forged trouser-type Y-tee structure. Background Technology
[0002] The tee is a key connector in air conditioning piping systems, mainly used for branching and diverting refrigerant or condensate pipes, and is commonly found in multi-split systems, water-cooled systems, and other similar applications.
[0003] During the construction of air conditioning piping systems, tees are used to connect branch pipes to the main pipe. When replacing a tee, the pipe and the tee must be tightly fitted together to ensure a seal through the gasket. However, this often involves pulling on the pipe, which can damage the existing piping network. Therefore, we propose a forged trouser-type Y-tee structure to solve these problems. Utility Model Content
[0004] The purpose of this invention is to provide a forged trouser-style Y-tee structure to address the aforementioned shortcomings in the technology.
[0005] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a forged trouser-type Y-tee structure, including a main pipeline, two branch pipelines are mirror-arranged at one end of the main pipeline, one end of each branch pipeline is connected to the main pipeline, a telescopic connection component is provided at one end of the main pipeline, and a branch pipe connector is provided at one end of each branch pipeline.
[0006] The telescopic connection assembly includes an internal threaded sleeve and a main pipe inner nut. The internal threaded sleeve is fixed to one end of the main pipe inner nut and is threadedly connected to the main pipe. The internal threaded sleeve has multiple movable grooves circumferentially.
[0007] Before connecting the pipe, the internal threaded sleeve can be rotated to retract the internal threaded sleeve and the inner nut of the main pipe towards the main pipe. During assembly, the internal threaded sleeve is rotated in the opposite direction to make the inner nut of the main pipe drive the main pipe pad and press against the external pipe for connection.
[0008] Furthermore, the internal threaded sleeve is coaxially arranged with the main pipe inner nut, and the main pipe inner nut is located at the end of the internal threaded sleeve away from the branch pipe.
[0009] Furthermore, the telescopic connection assembly also includes a fixing pad, which is fixed to the outside of the main pipeline.
[0010] Furthermore, a movable pad and a main pipe pad are respectively provided on both sides of the fixed pad, and both the movable pad and the main pipe pad are fixed inside the inner nut of the main pipe.
[0011] Furthermore, the movable pad is fitted onto the outside of the main pipeline, and the movable pad corresponds to the fixed pad.
[0012] Furthermore, the branch pipe connector includes an inner nut and a rotating collar. The inner nut is fixedly connected to the rotating collar, and the rotating collar is sleeved on the outside of the branch pipe and rotatably connected to it.
[0013] Furthermore, the end of the branch pipe is provided with a gasket for sealing.
[0014] Furthermore, the combined shape of the main pipeline and the two branch pipelines is Y-shaped, and the outlet directions of the two branch pipelines are parallel.
[0015] Compared with existing technologies, this forged trouser-style Y-tee structure has the following advantages:
[0016] I. This utility model, by setting a telescopic connection component, allows for telescopic control during actual use. Before connecting the pipe, the internal threaded sleeve can be rotated to retract the internal threaded sleeve and the inner nut of the main pipe towards the main pipe. During assembly, the internal threaded sleeve is rotated in the opposite direction, causing the inner nut of the main pipe to drive the main pipe pad and press against the external pipe for connection. Compared with the prior art, the overall length of the tee can be adjusted, avoiding damage to the installed pipeline.
[0017] Second, this utility model uses a fixed pad and a movable pad set inside the nut of the main pipe. When the pipeline is connected, the fixed pad and the movable pad come into contact with each other, which can effectively form a seal and prevent leakage of the telescopic connection assembly.
[0018] Other advantages, objectives and features of this invention will be set forth in part in the description which follows, and in part will be apparent to those skilled in the art from the following examination or study, or may be taught from the practice of this invention. Attached Figure Description
[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0020] Figure 2 This is a partial structural schematic diagram of the telescopic connection assembly of this utility model;
[0021] Figure 3 This is a three-dimensional structural diagram of the main pipeline and branch pipeline of this utility model;
[0022] Figure 4 This is a three-dimensional structural diagram of the branch pipe connector of this utility model;
[0023] Figure 5 This is a cross-sectional view of the present invention.
[0024] In the diagram: 1. Main pipe; 2. Branch pipe; 3. Expansion joint assembly; 4. Branch pipe connector; 301. Internal threaded sleeve; 302. Main pipe inner nut; 303. Fixed pad; 304. Movable pad; 305. Main pipe pad; 306. Movable groove; 401. Branch pipe inner nut; 402. Rotating collar. Detailed Implementation
[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0026] Please see Figure 1-5 The present invention provides the following implementation scheme: a forged trouser-type Y-tee structure, including a main pipe 1, two branch pipes 2 mirror-arranged at one end of the main pipe 1, one end of each branch pipe 2 being connected to the main pipe 1, a telescopic connection component 3 being provided at one end of the main pipe 1, and a branch pipe connector 4 being provided at one end of each branch pipe 2.
[0027] The telescopic connection assembly 3 includes an internal threaded sleeve 301 and a main pipe inner nut 302. The internal threaded sleeve 301 is fixed to one end of the main pipe inner nut 302. The internal threaded sleeve 301 is threadedly connected to the main pipe 1. The internal threaded sleeve 301 has multiple movable grooves 306 in a circumferential direction. The movable grooves 305 reduce the contact area between the internal threaded sleeve 301 and the main pipe inner nut 302.
[0028] It should be noted that before connecting the pipe, the internal threaded sleeve 301 can be rotated to retract the internal threaded sleeve 301 and the main pipe inner nut 302 towards the main pipe 1. During assembly, the internal threaded sleeve 301 is rotated in the opposite direction so that the main pipe inner nut 302 drives the main pipe pad 305 to abut against the external pipe for connection.
[0029] The internal threaded sleeve 301 and the main pipe internal nut 302 are coaxially arranged, and the main pipe internal nut 302 is located at the end of the internal threaded sleeve 301 away from the branch pipe 2.
[0030] The internal threaded sleeve 301 and the main pipe inner nut 302 are fixed together. When connecting the main pipe 1 to the external pipe, there is a gap between the main pipe 1 and the external pipe. At this time, the movable pad 304 and the main pipe pad 305 on the inner side of the main pipe inner nut 302 form a sealed space with the fixed pad 303 on the main pipe 1 and the external pipe, respectively.
[0031] The telescopic connection assembly 3 also includes a fixing pad 303, which is fixed to the outside of the main pipeline 1.
[0032] Movable pad 304 and main pipe pad 305 are respectively provided on both sides of the fixed pad 303. Both the movable pad 304 and the main pipe pad 305 are fixed inside the main pipe inner nut 302.
[0033] The movable pad 304 is fitted onto the outside of the main pipeline 1, and the movable pad 304 corresponds to the fixed pad 303.
[0034] In addition, by setting the fixed pad 303 and the movable pad 304 inside the nut 302 in the main pipe, when the pipeline is connected, the fixed pad 303 and the movable pad 304 come into contact with each other, which can effectively form a seal and prevent leakage of the telescopic connection assembly 3.
[0035] The branch pipe connector 4 includes an inner nut 401 and a rotating collar 402. The inner nut 401 is fixedly connected to the rotating collar 402, and the rotating collar 402 is sleeved on the outside of the branch pipe 2 and rotatably connected to it.
[0036] A gasket for sealing is provided at the end of branch pipe 2.
[0037] This design of the branch pipe connector 4 allows it to rotate without axial movement, thus protecting the sealing gasket inside the branch pipe nut 401.
[0038] The main pipeline 1 and the two branch pipelines 2 are combined in a Y-shape, with the outlet directions of the two branch pipelines 2 being parallel.
[0039] At this point, the outlet directions of the two branch pipes 2 can be the same as the inlet direction of the main pipe 1. By shortening the length of the main pipe 1 in the direction of the branch pipes 2, the branch pipes 2 can be installed with the main pipe without causing pulling damage to the main pipe.
[0040] Working principle: When the tee needs to be replaced, the old tee needs to be removed first. Then, rotate the internal threaded sleeve 301 to retract the internal threaded sleeve 301 towards the main pipe 1. At this time, the overall structure of the tee becomes shorter and can be inserted between the pipes.
[0041] Then, by rotating the nut 401 inside the branch pipe, the branch pipe 2 is connected to the main pipe, and the sealing gasket at the end of the branch pipe 2 is used for sealing. After the two branch pipes 2 are connected, the telescopic connection assembly 3 is rotated to connect the telescopic connection assembly 3 to the main pipe.
[0042] At this time, the movable pad 304 moves closer to the fixed pad 303 and then presses against the fixed pad 303 to seal. At the same time, the inner nut 302 of the main pipe is connected to the threaded interface of the main pipe, and finally the main pipe is sealed with the main pipe through the main pad 305.
[0043] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention.
Claims
1. A forged trouser-style Y-tee structure, characterized in that: Includes a main pipeline (1), one end of which is mirrored with two branch pipelines (2), one end of which is connected to the main pipeline (1), one end of which is provided with a telescopic connection component (3), and one end of which is provided with a branch pipe connector (4). The telescopic connection assembly (3) includes an internal threaded sleeve (301) and a main pipe inner nut (302). The internal threaded sleeve (301) is fixed at one end of the main pipe inner nut (302). The internal threaded sleeve (301) is threadedly connected to the main pipe (1). The internal threaded sleeve (301) has multiple movable grooves (306) circumferentially opened.
2. The forged trouser-style Y-tee structure according to claim 1, characterized in that: The internal threaded sleeve (301) and the main pipe internal nut (302) are coaxially arranged, and the main pipe internal nut (302) is located at the end of the internal threaded sleeve (301) away from the branch pipe (2).
3. The forged trouser-style Y-tee structure according to claim 1, characterized in that: The telescopic connection assembly (3) also includes a fixing pad (303) which is fixed to the outside of the main pipeline (1).
4. The forged trouser-style Y-tee structure according to claim 3, characterized in that: The fixed pad (303) is provided with a movable pad (304) and a main pipe pad (305) on both sides, and the movable pad (304) and the main pipe pad (305) are both fixed inside the main pipe inner nut (302).
5. The forged trouser-style Y-tee structure according to claim 4, characterized in that: The movable pad (304) is fitted onto the outside of the main pipeline (1), and the movable pad (304) corresponds to the fixed pad (303).
6. The forged trouser-style Y-tee structure according to claim 1, characterized in that: The branch pipe connector (4) includes a branch pipe inner nut (401) and a rotating collar (402). The branch pipe inner nut (401) is fixedly connected to the rotating collar (402). The rotating collar (402) is sleeved on the outside of the branch pipe (2) and rotatedly connected to the rotating collar (402).
7. The forged trouser-style Y-tee structure according to claim 1, characterized in that: The end of the branch pipe (2) is provided with a gasket for sealing.
8. The forged trouser-style Y-tee structure according to claim 1, characterized in that: The combined shape of the main pipeline (1) and the two branch pipelines (2) is Y-shaped, and the outlet directions of the two branch pipelines (2) are parallel.