Drainer

Abstract

The drainer comprises a connecting pipe and a sleeve, an annular clamping groove is formed in a water inlet connector of the connecting pipe, a protruding block matched with the annular clamping groove of the connecting pipe is arranged on the inner wall of a connector of the sleeve, and the sleeve is rotationally arranged on the water inlet connector of the connecting pipe; a first half-thread structure is arranged on the inner wall of the connecting pipe, a second half-thread structure is arranged on the inner wall of the sleeve, and the first half-thread structure and the second half-thread structure are matched to form an internal thread part used for being matched with the external thread of the steel head. And meshing tooth matching with the external thread of the steel head can be relieved. During use, the steel head penetrates through the mounting hole of the wash basin, then the drainer is inserted into the steel head, the sleeve is rotated to enable the second half-thread structure of the sleeve and the first half-thread structure of the connecting pipe to be matched to lock the steel head, rapid connection with the steel head is achieved, time and labor are saved, and the use convenience of the drainer is improved.

Description

Technical Field

[0001] The utility model relates to the field of bathrooms, in particular to a drain. Background Art

[0002] At present, the known drains, such as a basin drain disclosed in Chinese utility model patent CN207144074U, include a drain body and a fastening nut. The drain body includes a fixed flange at the top, a mounting portion in the middle, and a drain pipe connection portion at the bottom. The mounting portion is provided with a connecting external thread, and a non-threaded section is left between the connecting external thread machine-cultivating portion and the fixed flange at the top of the drain body. The inner wall of the fastening nut hole is divided into upper and lower sections, the lower section is provided with an internal thread, and the upper section is not provided with a thread. The existing connecting external thread position is moved downward to leave a distance from the overflow port and the fixed flange, and the structure of the fastening nut is appropriately improved to solve the problem that the nut cannot be fastened in place when the matching external thread moves downward. When installing the basin drain, the drain body is passed through the mounting hole of the basin, and then the fastening nut is screwed so that the fastening nut and the fixed flange are respectively located on the upper and lower sides of the mounting hole, and the basin is clamped to achieve installation. When tightening the fastening nut of the drain, the drain needs to be tightened more than ten times to achieve the connection, which is time-consuming and laborious, resulting in poor convenience in use of the device. Summary of the invention

[0003] The utility model provides a drainer, which is easy to install and disassemble, saves time and effort, and the specific technical scheme is as follows:

[0004] A water discharger comprises a connecting pipe and a sleeve, characterized in that an annular groove is provided on the water inlet interface of the connecting pipe, a protrusion matching with the annular groove of the connecting pipe is provided on the inner wall of the interface of the sleeve, and the sleeve is rotatably arranged on the water inlet interface of the connecting pipe; a first half-thread structure is provided on the inner wall of the connecting pipe, and a second half-thread structure is provided on the inner wall of the sleeve, and the first half-thread structure and the second half-thread structure can cooperate to form an internal thread portion to match the external thread of a steel head, and when the second half-thread structure of the sleeve overlaps with the first half-thread structure of the connecting pipe by rotating the sleeve, the meshing cooperation with the external thread of the steel head can be released.

[0005] The inner wall of the sleeve is provided with a semi-arc structure, the thickness of which is smaller than the thickness of the second half-threaded structure. When the water discharger needs to be disassembled, the sleeve is rotated until the second half-threaded structure overlaps with the first half-threaded structure. An escape space can be formed by the semi-arc structure of the sleeve, so that the first half-threaded structure of the connecting pipe and the second half-threaded structure of the sleeve can be detached from the external thread of the steel head, thereby removing the water discharger from the steel head.

[0006] There are two protrusions, which are symmetrically arranged on the inner wall of the interface of the sleeve. The interface of the sleeve is buckled on the water inlet interface of the connecting pipe, so that the protrusion is inserted into the annular groove of the water inlet interface and can rotate along the annular groove.

[0007] A stopper is arranged below one end of the second half thread structure of the sleeve. After the sleeve is rotated into place, the stopper conflicts with the first half thread structure of the connecting pipe to limit the sleeve from further rotating.

[0008] Indicator arrows are arranged on both sides of the outer wall of the sleeve. By rotating the sleeve according to the indicator arrows, the drainer can be installed or removed conveniently and quickly.

[0009] The inner wall of the sleeve is also provided with a accommodating cavity, in which a spring and a positioning pin are installed. A positioning hole matching the positioning pin is provided at the top of the water inlet interface of the connecting pipe. The positioning of the sleeve is achieved through the cooperation of the positioning pin and the positioning hole, and the sleeve can be prevented from rotating even under the impact of strong water flow.

[0010] There are several positioning holes, which are evenly distributed along the circumferential direction at the top of the water inlet interface of the connecting pipe. After the sleeve is rotated into place, the positioning pin in the accommodating cavity will be inserted into the positioning hole under the push of the spring, thereby realizing the positioning of the sleeve.

[0011] The spring is sleeved on the positioning pin and is installed in the accommodating cavity together with the positioning pin. One end of the spring abuts against the accommodating cavity, and the other end of the spring abuts against the end of the positioning pin.

[0012] A sealing groove for installing a sealing ring is also provided on the water inlet interface of the connecting pipe, and the sleeve and the water inlet interface of the connecting pipe are sealed and connected via the sealing ring.

[0013] An end of the connecting pipe away from the water inlet interface is provided with a water outlet interface for connecting to a drain pipe.

[0014] The utility model has a simple structure, reasonable design, and is easy to install and disassemble. When in use, the steel head is passed through the installation hole of the wash basin, and then the drainer is inserted on the steel head. The sleeve is rotated so that the second half thread structure of the sleeve and the first half thread structure of the connecting pipe cooperate to lock the steel head, thereby realizing quick connection with the steel head, saving time and effort and improving its convenience of use. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a front view of embodiment 1 of the utility model;

[0016] Figure 2 It is a three-dimensional diagram of embodiment 1 of the utility model;

[0017] Figure 3 It is a top view of embodiment 1 of the utility model;

[0018] Figure 4 is a three-dimensional diagram of the sleeve of Example 1 of the utility model;

[0019] Figure 5 It is an exploded view of the sleeve of Example 1 of the utility model;

[0020] Figure 6 is a three-dimensional diagram of a connecting pipe of Example 1 of the utility model;

[0021] Figure 7 This is a front view of the connecting pipe of Example 1 of the utility model;

[0022] Figure 8 Yes Figure 2 A schematic diagram of the structure after the casing is rotated 180°;

[0023] Fig. 9 It is a structural schematic diagram of the steel head of the utility model;

[0024] Fig.10 It is a structural schematic diagram of the rotating assembly of the utility model;

[0025] Fig.11 It is a stereogram of embodiment 2 of the present utility model. DETAILED DESCRIPTION

[0026] In order to better understand the purpose, function and specific design of the utility model, the drainer of the utility model is further described in detail below in conjunction with the accompanying drawings. Example 1

[0027] like Figure 1-Figure 9 As shown, the drain of the utility model comprises a connecting pipe 1 and a sleeve 2. A water inlet interface 13 is provided at one end of the connecting pipe 1. The water inlet interface 13 is provided with an annular groove 132. The inner wall of the interface 23 of the sleeve 2 is provided with a protrusion 231 that matches the annular groove 132 of the connecting pipe 1. The sleeve 2 is rotatably arranged on the water inlet interface 13 of the connecting pipe 1. Specifically, as Figure 2 , Figure 5 and Figure 7 As shown, there are two protrusions 231 symmetrically arranged on the inner wall of the interface of the sleeve 2. The interface 23 of the sleeve 2 is buckled on the water inlet interface 13 of the connecting pipe 1, so that the protrusion 231 is inserted into the annular groove 132 of the water inlet interface 13 and can rotate along the annular groove 132.

[0028] like Figure 2As shown, the inner wall of the connecting pipe 1 is provided with a first half thread structure 11, and the inner wall of the sleeve 2 is provided with a second half thread structure 21. The first half thread structure 11 and the second half thread structure 21 cooperate to form an internal thread portion to match the external thread of the steel head 3. In other words, when the connecting pipe 1 and the sleeve 2 are assembled on the steel head 3 and cooperate with each other, they can form a nut equivalent to a nut, which is threadedly connected with the external thread on the steel head 3.

[0029] like Figure 3-Figure 5 As shown, the inner wall of the sleeve 2 is provided with a semi-circular arc structure 22, the thickness of the semi-circular arc structure 22 is smaller than the thickness of the second semi-threaded structure 21, that is, the distance from the semi-circular arc structure to the outer wall of the sleeve is smaller than the distance from the second semi-threaded structure to the outer wall of the sleeve. Its function is that when the water discharger needs to be disassembled, an avoidance space can be formed by the semi-circular arc structure 22 of the sleeve, so that the first semi-threaded structure 11 of the connecting pipe 1 and the second semi-threaded structure 21 of the sleeve 2 can be detached from the external thread of the steel head 3, thereby removing the water discharger from the steel head 3.

[0030] like Figure 5 As shown, a stopper 25 is provided below one end of the second half thread structure 22 of the sleeve 2. After the sleeve 2 is rotated into place, the stopper 25 conflicts with the first half thread structure 11 of the connecting pipe 1 to limit the sleeve 2 from further rotating.

[0031] like Figure 1 and Figure 2 As shown, indicator arrows are provided on both sides of the outer wall of the sleeve 2. By rotating the sleeve 2 according to the indicator arrows, the drainer can be installed or removed conveniently and quickly.

[0032] like Figure 5 and Figure 6 As shown, the inner wall of the sleeve 2 is also provided with a receiving cavity 24, in which a spring 241 and a positioning pin 242 are installed. A positioning hole 131 matching with the positioning pin 242 is provided at the top of the water inlet interface 13 of the connecting pipe 1. The number of the positioning holes 131 is several and they are evenly distributed at the top of the water inlet interface 13 of the connecting pipe 1 along the circumferential direction. After the sleeve 2 is rotated into place, the positioning pin 242 in the receiving cavity 24 will be inserted into the positioning hole 131 under the push of the spring 241, thereby realizing the positioning of the sleeve 2, and the sleeve 2 can be prevented from rotating even under the impact of a strong water flow.

[0033] During installation, the spring 241 is sleeved on the positioning pin 242 and installed into the accommodating cavity 24 together with the positioning pin 242 , with one end of the spring 241 abutting against the accommodating cavity 24 and the other end of the spring 241 abutting against the end of the positioning pin 242 .

[0034] like Figure 7As shown, a sealing groove 133 for installing a sealing ring is also provided on the water inlet interface 13 of the connecting pipe 1, and the sleeve 2 and the water inlet interface 13 of the connecting pipe 1 are sealed and connected to each other through the sealing ring.

[0035] like Figure 7 As shown, a water outlet interface 14 is provided at one end of the connecting pipe 1 away from the water inlet interface 13, and the water outlet interface 14 can be connected to the drain pipe through the rotating component 4. Specifically, as shown in FIG. Figure 7 and Fig.10 As shown, the water outlet interface 14 of the connecting pipe 1 is provided with an annular groove 141, and the rotating assembly 4 is provided with a block 42 that matches the annular groove 141 of the water outlet interface 14. The block 42 is clamped in the annular groove 141 of the water outlet interface 14, so that the rotating assembly 4 is connected to the water outlet interface 14 of the connecting pipe 1 and can rotate along the water outlet interface 14. The lower end of the rotating assembly 4 is provided with an external thread, and the rotating assembly 4 is connected to the drain pipe through the external thread. A sealing groove 142 for installing a sealing ring is also provided on the water outlet interface 14, and the sealing ring can ensure the sealing between the rotating assembly 4 and the connecting pipe 1.

[0036] When in use, first pass the steel head 3 through the installation hole of the basin, and then insert the drainer on the steel head 3. It should be noted that before inserting the drainer, ensure that the second half thread structure 21 of the sleeve 2 and the first half thread structure 11 of the connecting pipe 1 are in an overlapping state (see Figure 8 As shown in FIG. 1 ), rotate the sleeve 2 so that the second half thread structure 21 of the sleeve 2 cooperates with the first half thread structure 11 of the connecting pipe 1 to lock the steel head 3 (see FIG. 1 ). Figure 2 As shown), the fixed flanges of the drain and the steel head 3 are respectively located at the upper and lower sides of the basin mounting hole, and the basin is clamped. At this time, the stopper 25 below one end of the second half-threaded structure 21 abuts against one end of the first half-threaded structure 11 of the connecting pipe 1.

[0037] When the drainer needs to be disassembled, the sleeve 2 is rotated in the opposite direction so that the semi-circular structure 22 on the sleeve 2 and the semi-arc surface 12 of the connecting pipe 1 are on the same side, and the second half thread structure 21 of the sleeve 2 and the first half thread structure 11 of the connecting pipe 1 are on the same side (see Figure 8 As shown), an avoidance space is formed by the semi-arc structure 22 of the sleeve 2, so that the first half threaded structure 11 of the connecting pipe 1 and the second half threaded structure 21 of the sleeve 2 are separated from the external thread of the steel head 3, and then the water separator is removed from the steel head 3. At this time, the stopper 25 below one end of the second half threaded structure 21 abuts against the other end of the first half threaded structure 11 of the connecting pipe 1. Example 2

[0038] like Fig.11As shown, the difference between this embodiment and embodiment 1 is that the water outlet interface 14 of the connecting pipe 1 is provided with an external thread, and the drain pipe is threadedly connected to the water outlet interface 14. In order to ensure its sealing, a sealing ring is also provided at the connection.

[0039] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the utility model.

Claims

1. A water discharger, comprising a connecting pipe and a sleeve, characterized in that: An annular groove is provided on the water inlet interface of the connecting pipe, and a protrusion matching with the annular groove of the connecting pipe is provided on the inner wall of the interface of the sleeve, and the sleeve is rotatably arranged on the water inlet interface of the connecting pipe; a first half-thread structure is provided on the inner wall of the connecting pipe, and a second half-thread structure is provided on the inner wall of the sleeve, and the first half-thread structure and the second half-thread structure can cooperate to form an internal thread part to match the external thread of the steel head, and when the second half-thread structure of the sleeve overlaps with the first half-thread structure of the connecting pipe by rotating the sleeve, the meshing cooperation with the external thread of the steel head can be released.

2. The drainer according to claim 1, characterized in that: The inner wall of the sleeve is provided with a semi-arc structure, the thickness of which is smaller than the thickness of the second half-threaded structure. When the water discharger needs to be disassembled, the sleeve is rotated until the second half-threaded structure overlaps with the first half-threaded structure. An escape space can be formed by the semi-arc structure of the sleeve, so that the first half-threaded structure of the connecting pipe and the second half-threaded structure of the sleeve can be detached from the external thread of the steel head, thereby removing the water discharger from the steel head.

3. The drainer according to claim 2, characterized in that: There are two protrusions, which are symmetrically arranged on the inner wall of the interface of the sleeve. The interface of the sleeve is buckled on the water inlet interface of the connecting pipe, so that the protrusion is inserted into the annular groove of the water inlet interface and can rotate along the annular groove.

4. The drainer according to claim 1, characterized in that: A stopper is arranged below one end of the second half thread structure of the sleeve. After the sleeve is rotated into place, the stopper conflicts with the first half thread structure of the connecting pipe to limit the sleeve from further rotating.

5. The drainer according to claim 4, characterized in that: Indicator arrows are arranged on both sides of the outer wall of the sleeve. By rotating the sleeve according to the indicator arrows, the drainer can be installed or removed conveniently and quickly.

6. The drainer according to claim 1, characterized in that: The inner wall of the sleeve is also provided with a accommodating cavity, in which a spring and a positioning pin are installed. A positioning hole matching the positioning pin is provided at the top of the water inlet interface of the connecting pipe. The positioning of the sleeve is achieved through the cooperation of the positioning pin and the positioning hole, and the sleeve can be prevented from rotating even under the impact of strong water flow.

7. The drainer according to claim 6, characterized in that: There are several positioning holes, which are evenly distributed along the circumferential direction at the top of the water inlet interface of the connecting pipe. After the sleeve is rotated into place, the positioning pin in the accommodating cavity will be inserted into the positioning hole under the push of the spring, thereby realizing the positioning of the sleeve.

8. The drain according to claim 7, characterized in that: The spring is sleeved on the positioning pin and is installed in the accommodating cavity together with the positioning pin. One end of the spring abuts against the accommodating cavity, and the other end of the spring abuts against the end of the positioning pin.

9. The drainer according to claim 1, characterized in that: A sealing groove for installing a sealing ring is also provided on the water inlet interface of the connecting pipe, and the sleeve and the water inlet interface of the connecting pipe are sealed and connected via the sealing ring.

10. The drainer according to claim 9, characterized in that: An end of the connecting pipe away from the water inlet interface is provided with a water outlet interface for connecting to a drain pipe.

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