A combination joint

Abstract

The utility model provides a combined joint belongs to mechanical technical field. It has solved the problem that the practicability of existing joint is poor. This combined joint includes the joint body with the water passage, the water passage is formed by the water inlet hole of horizontal arrangement and the thread hole of the left end of water inlet hole, the thread hole is inclined arrangement, the water inlet hole right end inserts the water inlet pipe, the water inlet pipe right end stretches out the water inlet hole, and the water inlet pipe right end outer wall has a section of external thread, the joint body forms the seal between the outer wall of water inlet pipe through the sealing washer no.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical technology and relates to a connector, particularly a combined connector. Background Technology

[0002] The water inlet connector is a key component for connecting water pipes to equipment, and it is widely used in household appliances and industrial equipment such as washing machines, water heaters, and water purifiers.

[0003] An existing connector structure, such as the wall-mounted water supply pipe connector disclosed in the Chinese Patent Database (application number: 201921048024.9), includes: a pre-embedded concealed pipe, an exposed pipe, and an inclined corner pipe; the pre-embedded concealed pipe and the exposed pipe are respectively provided with external thread structures; the upper and lower ends of the corner pipe are respectively an input end and an output end; the input end is connected to the pre-embedded concealed pipe; the output end is connected to the exposed pipe; the exposed pipe is provided with a polygonal wrench hole; the wrench hole is located inside the exposed pipe and is set close to the output end, and the wrench hole is connected to the output end; the ratio of the distance between the upper and lower ends of the wrench hole to the distance between the upper and lower ends of the exposed pipe is (4~6):18.

[0004] In the aforementioned joint, the pre-embedded concealed pipe is connected to the water supply pipeline via a thread, and the position of the exposed pipe can be adjusted by rotation. However, considering the thread length and positioning strength of the pre-embedded concealed pipe, the position of the exposed pipe can only be adjusted slightly, making it unsuitable for some special locations and lacking practicality. Utility Model Content

[0005] The purpose of this invention is to address the aforementioned problems in existing technologies by proposing a combination connector with a wide range of adaptability.

[0006] The purpose of this utility model can be achieved through the following technical solution: A combined connector includes a connector body with a water passage, the water passage being composed of a horizontally arranged water inlet hole and a threaded hole connecting the left end of the water inlet hole, and the threaded hole being inclined. The connector body is characterized by having a water inlet pipe inserted into the right end of the water inlet hole, the right end of the water inlet pipe extending out of the water inlet hole, and an external thread on the outer wall of the right end of the water inlet pipe; the connector body can rotate around the axis of the water inlet pipe, and a seal is formed between the connector body and the outer wall of the water inlet pipe through a sealing ring; a limiting structure for restricting the rightward movement of the connector body is also provided between the water inlet pipe and the connector body, and an annular limiting seat is also provided on the outer wall of the right end of the water inlet pipe, the limiting seat being located between the external thread and the connector body; a pressure cap is connected to the external thread on the right end of the connector body, the inner wall of the pressure cap having an annular retaining edge, and the annular retaining edge pressing against the right end face of the limiting seat.

[0007] The installation process is as follows: Screw the water supply pipe fitting into the right end of the water inlet pipe using the external thread, then put the connector body into the left end of the water inlet pipe and tighten the pressure cap to firmly lock the connector body and the water inlet pipe; finally, screw the water receiving pipe fitting into the threaded hole to introduce the water in the water supply pipe fitting into the water receiving pipe fitting.

[0008] The connector body is designed to rotate circumferentially around the axis of the water inlet pipe, which allows for a wide range of adjustments to the position of the threaded hole to accommodate various working conditions, making it highly practical.

[0009] In the aforementioned combined connector, the inner wall of the right end of the water inlet has an annular limiting surface, and the limiting surface and the water inlet pipe are coaxially arranged; the limiting structure includes the left end face of the water inlet pipe and the limiting surface, and the left end face of the water inlet pipe is pressed against the limiting surface. This design offers advantages such as simple structure and convenient assembly.

[0010] In the above-mentioned combined connector, a first annular step is provided on the inner wall of the right end of the water inlet. The side of the first annular step is engaged with the outer side of the left end of the water inlet pipe through a circumferential surface. The bottom surface of the first annular step is the aforementioned limiting surface.

[0011] In the above-mentioned combined connector, a second annular step is also provided on the inner wall of the right end of the water inlet hole. The second annular step is located to the right of the first annular step, and the first annular step and the second annular step are continuously distributed along the axial direction of the water inlet pipe. The above-mentioned sealing ring is placed outside the water inlet pipe, and the two sides of the sealing ring are respectively pressed against the bottom surface of the second annular step and the left end surface of the limiting seat.

[0012] In the above-mentioned combination connector, the sealing ring is fixed on the limiting seat, which can prevent the sealing ring from shifting when the connector body is put on, ensuring a stable seal between the water inlet pipe and the connector body, and facilitating assembly.

[0013] In the above-mentioned combined joint, the sealing ring is bonded and fixed to the limiting seat.

[0014] In the above-mentioned combined connector, the right end of the water inlet pipe is fitted with a sealing ring 2, and the sealing ring 2 is pressed and fixed on the right end face of the limiting seat for sealing when the water inlet pipe is screwed into the water supply pipe fitting.

[0015] In the aforementioned combined connector, the inlet hole consists of a series of ball cavities and straight holes distributed from left to right. The inlet pipe is inserted into the straight hole, and one end of the threaded hole is located on the wall of the ball cavity. The ball cavity acts as a buffer, allowing the horizontal flow from the straight hole to the threaded hole to flow slowly.

[0016] Compared with existing technologies, this combined connector has the following advantages: 1. The connector body is designed to rotate circumferentially around the axis of the water inlet pipe, which allows for a wide range of adjustments to the position of the threaded hole to accommodate more diverse working conditions, making it highly practical.

[0017] 2. The ball cavity acts as a buffer, allowing the horizontal flow from the straight hole to slowly enter the threaded hole. Attached Figure Description

[0018] Figure 1 This is a three-dimensional schematic diagram of this modular connector.

[0019] Figure 2 This is a cross-sectional schematic diagram of this modular connector.

[0020] Figure 3 This is a cross-sectional schematic diagram of the connector body.

[0021] In the figure, 1. Connector body; 1a. Water inlet hole; 1a1. Ball cavity; 1a2. Straight hole; 1b. Threaded hole; 1c. Limiting surface; 1d. First annular step; 1e. Second annular step; 2. Water inlet pipe; 2a. External thread; 2b. Limiting seat; 3. Sealing ring one; 4. Pressure cap; 4a. Annular retaining edge; 5. Sealing ring two. Detailed Implementation

[0022] The following are specific embodiments of the present invention, which are described in conjunction with the accompanying drawings. However, the present invention is not limited to these embodiments.

[0023] Example 1: As Figure 1 and Figure 2 As shown, this modular connector includes a connector body 1 with a water flow channel. The water flow channel consists of a horizontally arranged inlet hole 1a and a threaded hole 1b connecting to the left end of the inlet hole 1a, and the threaded hole 1b is inclined relative to the inlet hole 1a. In the actual product, the connector body 1 is a one-piece structure, and preferably, the connector body 1 is made of stainless steel.

[0024] Specifically A water inlet pipe 2 is inserted into the right end of the water inlet hole 1a. The right end of the water inlet pipe 2 extends out of the water inlet hole 1a, and the outer wall of the right end of the water inlet pipe 2 has an external thread 2a. The connector body 1 can rotate around the axis of the water inlet pipe 2, and the connector body 1 forms a seal with the outer wall of the water inlet pipe 2 through the sealing ring 3. A limiting structure for restricting the rightward movement of the connector body 1 is also provided between the water inlet pipe 2 and the connector body 1. The outer wall of the right end of the water inlet pipe 2 also has an annular limiting seat 2b, which is coaxially arranged with the water inlet pipe 2 and is located between the external thread 2a and the connector body 1. A pressure cap 4 is connected to the right end of the connector body 1 by an external thread. The inner wall of the pressure cap 4 has an annular retaining edge 4a, which is coaxially arranged with the pressure cap 4. The annular retaining edge 4a and the pressure cap 4 are an integral structure, and the annular retaining edge 4a is pressed against the right end face of the limiting seat 2b.

[0025] The installation process is as follows: Screw the right end of the inlet pipe 2 into the water supply fitting using the external thread 2a. Then, fit the connector body 1 onto the left end of the inlet pipe 2 and tighten the pressure cap 4 to firmly lock the connector body 1 and the inlet pipe 2. Finally, screw the water receiving fitting into the threaded hole 1b to introduce water from the water supply fitting into the water receiving fitting.

[0026] The connector body 1 is designed to rotate circumferentially around the axis of the water inlet pipe 2, which allows for a significant adjustment of the position of the threaded hole 1b to accommodate a wider range of working conditions, making it highly practical.

[0027] In this embodiment, like Figure 2 and Figure 3 As shown, the limiting structure is as follows: the inner wall of the right end of the water inlet 1a has an annular limiting surface 1c, and the limiting surface 1c and the water inlet pipe 2 are coaxially arranged; the limiting structure includes the left end face of the water inlet pipe 2 and the limiting surface 1c, and the left end face of the water inlet pipe 2 is pressed against the limiting surface 1c. The above design has advantages such as simple structure and convenient assembly. Further, a first annular step 1d is provided on the inner wall of the right end of the water inlet 1a, and the first annular step 1d and the water inlet pipe 2 are coaxially arranged. The first annular step 1d is composed of a vertically arranged side surface and a bottom surface. The side surface of the first annular step 1d and the outer side surface of the left end of the water inlet pipe 2 are circumferentially matched, that is, at this time, the side surface of the first annular step 1d and the outer side surface of the left end of the water inlet pipe 2 are mutually matching circumferential surfaces; the bottom surface of the first annular step 1d is the aforementioned limiting surface 1c.

[0028] The sealing ring 3 is installed as follows: A second annular step 1e is provided on the inner wall of the right end of the water inlet hole 1a, and the first annular step 1d and the second annular step 1e are coaxially arranged. The second annular step 1e is located to the right of the first annular step 1d, and the first annular step 1d and the second annular step 1e are continuously distributed along the axial direction of the water inlet pipe 2. The sealing ring 3 is fitted over the water inlet pipe 2, and both sides of the sealing ring 3 are pressed against the bottom surface of the second annular step 1e and the left end surface of the limiting seat 2b, respectively. Preferably, the inner surface of the sealing ring 3 contacts and engages with the outer surface of the water inlet pipe 2 to further enhance the sealing performance between the water inlet pipe 2 and the connector body 1.

[0029] In the actual product, the sealing ring 3 is fixed to the limiting seat 2b. This prevents the sealing ring 3 from shifting when the connector body 1 is fitted, ensuring a stable seal between the water inlet pipe 2 and the connector body 1, and facilitating assembly. Preferably, the sealing ring 3 is fixed to the limiting seat 2b by adhesive bonding.

[0030] like Figure 2 As shown, a sealing ring 5 is fitted onto the right end of the water inlet pipe 2, and the sealing ring 5 is pressed and fixed against the right end face of the limiting seat 2b for sealing when the water inlet pipe 2 is screwed into the water supply fitting. Preferably, the sealing ring 5 is fixed to the limiting seat 2b by adhesive bonding.

[0031] In the actual product, the water inlet 1a consists of a ball cavity 1a1 and a straight hole 1a2 continuously distributed from left to right. The water inlet pipe 2 is inserted into the straight hole 1a2, and one of the ports of the aforementioned threaded hole 1b is located on the wall of the ball cavity 1a1. The ball cavity 1a1 acts as a buffer, allowing the horizontal flow from the straight hole 1a2 into the threaded hole 1b to flow slowly.

[0032] Example 2: The structure and principle of Example 2 are basically the same as those of Example 1. The difference is that the limiting structure includes the right end face of the connector body 1 and the left end face of the limiting seat 2b, and the left end face of the limiting seat 2b presses against the connector body 1.

[0033] The specific embodiments described herein are merely illustrative examples illustrating the spirit of this utility model. Those skilled in the art to which this utility model pertains may make various modifications or additions to the described specific embodiments or use similar methods to substitute them, without departing from the spirit of this utility model or exceeding the scope defined by the appended claims.

Claims

1. A combined connector, comprising a connector body (1) having a water flow channel, the water flow channel being composed of a horizontally arranged inlet hole (1a) and a threaded hole (1b) connecting to the left end of the inlet hole (1a), wherein the threaded hole (1b) is inclined, characterized in that, A water inlet pipe (2) is inserted into the right end of the water inlet hole (1a). The right end of the water inlet pipe (2) extends out of the water inlet hole (1a), and the outer wall of the right end of the water inlet pipe (2) has a section of external thread (2a). The connector body (1) can rotate around the axis of the water inlet pipe (2), and the connector body (1) forms a seal with the outer wall of the water inlet pipe (2) through the sealing ring (3). A limiting structure for limiting the right movement of the connector body (1) is also provided between the water inlet pipe (2) and the connector body (1). The outer wall of the right end of the water inlet pipe (2) also has a ring-shaped limiting seat (2b), and the limiting seat (2b) is located between the external thread (2a) and the connector body (1). The right end of the connector body (1) is connected to a pressure cap (4) by the external thread. The inner wall of the pressure cap (4) has an annular retaining edge (4a), and the annular retaining edge (4a) is pressed against the right end face of the limiting seat (2b).

2. The combined connector according to claim 1, characterized in that, The right end inner wall of the above-mentioned water inlet (1a) has an annular limiting surface (1c), and the limiting surface (1c) and the water inlet pipe (2) are coaxially arranged; the above-mentioned limiting structure includes the left end face of the water inlet pipe (2) and the limiting surface (1c), and the left end face of the water inlet pipe (2) is pressed against the limiting surface (1c).

3. The combined connector according to claim 2, characterized in that, A first annular step (1d) is provided on the inner wall of the right end of the water inlet (1a). The side of the first annular step (1d) is engaged with the outer side of the left end of the water inlet pipe (2) through a circumferential surface. The bottom surface of the first annular step (1d) is the aforementioned limiting surface (1c).

4. The combined connector according to claim 3, characterized in that, A second annular step (1e) is also provided on the inner wall of the right end of the water inlet (1a). The second annular step (1e) is located to the right of the first annular step (1d), and the first annular step (1d) and the second annular step (1e) are continuously distributed along the axial direction of the water inlet pipe (2). The aforementioned sealing ring (3) is sleeved on the outside of the water inlet pipe (2), and the two sides of the sealing ring (3) are respectively pressed against the bottom surface of the second annular step (1e) and the left end surface of the limiting seat (2b).

5. The combined connector according to claim 4, characterized in that, The sealing ring (3) is fixed on the limiting seat (2b).

6. The combined connector according to claim 5, characterized in that, The sealing ring (3) is bonded and fixed to the limiting seat (2b).

7. The combined connector according to claim 1, characterized in that, The right end of the water inlet pipe (2) is fitted with a sealing ring 2 (5), and the sealing ring 2 (5) is pressed and fixed on the right end face of the limiting seat (2b).

8. The combined connector according to claim 1, characterized in that, The water inlet (1a) consists of a ball cavity (1a1) and a straight hole (1a2) continuously distributed from left to right. The water inlet pipe (2) is inserted into the straight hole (1a2). One of the ports of the threaded hole (1b) is located on the wall of the ball cavity (1a1).

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