Three-way internal spiral ball valve

Abstract

The utility model relates to the technical field of spiral ball valves, and discloses a three-way internal spiral ball valve which comprises a valve body, a rotating shaft is arranged at the top of the valve body in a rotating mode, a rotating handle is arranged at the top end of the rotating shaft, filter pipes are arranged at the two ends of the valve body and connected with the valve body through mounting screws, and the filter pipes are connected with the valve body through the mounting screws. A first sealing ring is embedded in the inner wall of the valve body, a filtering disc is arranged at the end, close to the rotating shaft, of the filtering pipe, a second sealing ring is embedded in the surface of the filtering pipe, and an opening and closing mechanism for limiting the rotating shaft is arranged above the valve body. Impurities in circulating water can be filtered through the filtering disc arranged at the end of the filtering pipe, blockage of a pipeline is prevented, the filtering pipe and the valve body are of a detachable structure, the filtering pipe can be conveniently and regularly detached, the impurities can be conveniently cleaned, and meanwhile the rotating shaft can be conveniently rotated through the arranged opening and closing mechanism.

Description

Technical Field

[0001] The utility model relates to the technical field of spiral ball valves, in particular to a three-way internal spiral ball valve. Background Art

[0002] The threaded ball valve is a valve whose closing part is a sphere. The ball rotates around the center line of the valve body to open and close. The ball valve is mainly used to cut off, distribute and change the flow direction of the medium in the pipeline. The two-piece ball valve and the three-piece ball valve are a new type of valve that has been widely used in recent years. This valve is generally installed horizontally. The threaded ball valve is a type of ball valve. The connection form with the pipeline is threaded connection. There are also flanged ball valves, welded ball valves, etc.

[0003] After searching, a three-way internal spiral ball valve disclosed in application number CN202321092787.X includes a ball valve body, a control handle, and a connecting valve. The lower end of the control handle is provided with a limiting mechanism, and the limiting mechanism includes a fixed frame fixedly provided at the lower end of the control handle, a threaded shaft is slidably provided on the inner side of the fixed frame, a magnet connecting block is fixedly provided at the lower end of the threaded shaft, a nut is threadedly provided on the outer side of the threaded shaft near the lower side of the fixed frame, and a limiting rod is fixedly provided at the lower end of the fixed frame. The three-way internal spiral ball valve described in the utility model can achieve the purpose of facilitating the limitation of the position of the connecting valve in the inner side of the ball valve body by pulling the limiting plate downward and making the four groups of limiting frames stuck at the corners of the limiting blocks while limiting the movement of the threaded shaft through the nut to limit the movement of the limiting plate, thereby avoiding the situation where the worker accidentally touches the control handle and changes the position of the connecting valve in the inner side of the ball valve body, and can ensure the fluidity of water flow in the inner side of the ball valve body;

[0004] However, the above method still has the following defects in actual use: the water inside it cannot be filtered when it circulates, and long-term use is likely to cause pipeline blockage. Utility Model Content

[0005] The utility model aims to provide a three-way internal spiral ball valve, which has the effect of facilitating water filtering.

[0006] The above technical objectives of the utility model are achieved through the following technical solutions: a three-way internal spiral ball valve, comprising a valve body, a rotating shaft is rotatably provided at the top of the valve body, a rotating handle is provided at the top of the rotating shaft, filter tubes are provided at both ends of the valve body, and the filter tubes are connected to the valve body by mounting screws, a sealing ring 1 is embedded in the inner wall of the valve body, a filter disk is provided at one end of the filter tube close to the rotating shaft, a sealing ring 2 is embedded on the surface of the filter tube, and an opening and closing mechanism for limiting the rotating shaft is provided above the valve body.

[0007] The utility model is further configured as follows: the opening and closing mechanism includes a mounting ring, a limit screw and a limit plate, the mounting ring is mounted on the surface of the rotating shaft, the side wall of the mounting ring is provided with a mounting arm, the limit screw is arranged at the bottom end of the mounting arm, the limit plate is installed on the top of the valve body through a mounting column, the surface of the limit plate is provided with an arc-shaped limit groove, and the limit groove is cocentric with the rotating shaft, and the limit screw slides inside the limit groove, and the surface thread of the limit screw is provided with two locking nuts.

[0008] The utility model is further configured as follows: a mounting plate is disposed on the outer side of the limit plate, and indicator keys are disposed on the surface of the mounting plate, which are divided into an ON key, a first gear key, a second gear key, a third gear key, and an OFF key.

[0009] The utility model is further configured as follows: a first mounting tube is provided at the other end of the valve body, and a second mounting tube is provided at the end of the filter tube away from the rotating shaft.

[0010] The utility model is further configured as follows: a limiting ring is provided inside the valve body.

[0011] The utility model is further configured as follows: a sealing groove 1 is provided on the inner wall of the valve body, and a sealing ring 1 is arranged inside the sealing groove 1 and bonded by glue, and at the same time, the inner side of the sealing ring 1 is in the same plane as the inner wall of the valve body.

[0012] The utility model is further configured as follows: a sealing groove 2 is provided on the surface of the filter tube, the sealing ring 2 is arranged inside the sealing groove 2 and bonded by glue, and the outer surface of the sealing ring 2 is in the same plane as the outer surface of the filter tube.

[0013] The utility model is further configured as follows: a mounting seat is provided on the surface of the valve body, and the mounting seat is connected to the filter tube via mounting screws.

[0014] In summary, the utility model has the following beneficial effects: the utility model can filter impurities in the circulating water through the filter plate arranged at the end of the filter tube to prevent the pipeline from being blocked, and a detachable structure is arranged between the filter tube and the valve body, which is convenient for regular disassembly of the filter tube to clean the impurities, and at the same time, the opening and closing mechanism is arranged to facilitate the rotation of the rotating shaft to control the water flow according to the gear position, and it can prevent workers from accidentally touching the control handle, causing the position of the connecting valve on the inner side of the ball valve body to change. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is one of the three-dimensional structural schematic diagrams of the utility model;

[0016] Figure 2 This is the second schematic diagram of the three-dimensional structure of the utility model;

[0017] Figure 3 It is a schematic diagram of the explosion structure of the utility model;

[0018] Figure 4 It is a partial structural schematic diagram of the utility model;

[0019] Figure 5 For this utility model Figure 2 A is an enlarged structural diagram of FIG.

[0020] In the figure: 1. valve body; 101. mounting tube 1; 102. limiting ring; 103. sealing groove 1; 104. sealing ring 1; 105. rotating shaft; 106. rotating handle; 2. filter tube; 201. filter plate; 202. sealing groove 2; 203. sealing ring 2; 204. mounting tube 2; 3. opening and closing mechanism; 301. mounting ring; 302. mounting arm; 303. limiting screw; 304. locking nut; 305. mounting column; 306. limiting plate; 307. limiting groove; 308. mounting plate; 309. indicator key; 4. mounting seat; 401. mounting screw. DETAILED DESCRIPTION

[0021] The present invention will be further described below with reference to the accompanying drawings in the embodiments of the present invention.

[0022] See also Figures 1 to 5 In the embodiment of the utility model, a three-way internal spiral ball valve includes a valve body 1, a rotating shaft 105 is rotatably provided at the top of the valve body 1, a rotating handle 106 is provided at the top of the rotating shaft 105, filter tubes 2 are provided at both ends of the valve body 1, and the filter tube 2 is connected to the valve body 1 by mounting screws 401, which is convenient for disassembly and assembly of the filter tube 2, a sealing ring 104 is embedded in the inner wall of the valve body 1, and a filter disc 201 is provided at one end of the filter tube 2 close to the rotating shaft 105 to filter impurities in the water to prevent clogging of the pipeline, a sealing ring 203 is embedded on the surface of the filter tube 2 to enhance the sealing of the connection, and an opening and closing mechanism 3 for limiting the rotating shaft 105 is provided above the valve body 1, which is convenient for displaying the opening and closing state of the spiral valve;

[0023] In this embodiment, preferably, the other end of the valve body 1 is provided with a mounting tube 101, and the end of the filter tube 2 away from the rotating shaft 105 is provided with a mounting tube 204, so as to facilitate connection with the pipeline;

[0024] In this embodiment, preferably, a limiting ring 102 is provided inside the valve body 1 to limit the position of the filter tube 2, so as to facilitate the subsequent installation of the filter tube 2;

[0025] In this embodiment, preferably, the inner wall of the valve body 1 is provided with a sealing groove 103, and a sealing ring 104 is arranged inside the sealing groove 103 and bonded by glue, and the inner side of the sealing ring 104 is in the same plane as the inner wall of the valve body 1, thereby enhancing the sealing performance of the connection;

[0026] In this embodiment, preferably, a sealing groove 202 is provided on the surface of the filter tube 2, and a sealing ring 203 is arranged inside the sealing groove 202 and bonded by glue. The outer surface of the sealing ring 203 is in the same plane as the outer surface of the filter tube 2, thereby enhancing the sealing performance of the connection.

[0027] In this embodiment, preferably, a mounting seat 4 is provided on the surface of the valve body 1, and the mounting seat 4 is connected to the filter tube 2 by means of mounting screws 401, so as to facilitate the disassembly and assembly of the filter tube 2;

[0028] In this embodiment, preferably, the opening and closing mechanism 3 includes a mounting ring 301, a limiting screw 303 and a limiting plate 306. The mounting ring 301 is mounted on the surface of the rotating shaft 105. The side wall of the mounting ring 301 is provided with a mounting arm 302. The limiting screw 303 is arranged at the bottom end of the mounting arm 302. The limiting plate 306 is installed on the top of the valve body 1 through the mounting column 305. The surface of the limiting plate 306 is provided with an arc-shaped limiting groove 307, and the limiting groove 307 is cocentric with the rotating shaft 105. At the same time, the limiting screw 303 slides inside the limiting groove 307, and drives the limiting screw 303 to move synchronously inside the limiting groove 307 during the rotation of the rotating shaft 105, and the surface thread of the limiting screw 303 is provided with two locking nuts 304, and the position of the limiting screw 303 is limited by the thread cooperation between the locking nuts 304 and the limiting screw 303, which can prevent the worker from accidentally touching the control handle, causing the position of the connecting valve in the inner side of the ball valve body to change;

[0029] In this embodiment, preferably, a mounting plate 308 is provided on the outer side of the limit plate 306, and indicator keys 309 are provided on the surface of the mounting plate 308, which are divided into an ON key, a first gear key, a second gear key, a third gear key, and an OFF key, so that the staff can control the water flow and display the opening and closing status of the spiral valve.

[0030] When in use, first install the filter tube 2 inside the valve body 1, use the limit ring 102 to limit the position of the filter tube 2, and then use the screw 401 to fix the valve body 1 and the filter tube 2, and strengthen the sealing of the connection between the filter tube 2 and the valve body 1 by the cooperation between the sealing ring 104 and the sealing ring 203.

[0031] Then connect the pipeline to the installation pipe 101 and the installation pipe 204, and screw the two locking nuts 304 to release the limit on the limit screw 303, rotate the rotating shaft 105 by rotating the handle 106, so that the limit screw 303 moves inside the limit groove 307, and the rotating shaft 105 rotates to the corresponding gear position to control the water flow. After adjustment, tighten the locking nut 304 to limit the position of the limit screw 303, so as to prevent the worker from accidentally touching the control handle and causing the position of the connecting valve on the inner side of the ball valve body to change. The impurities in the water are filtered through the filter disc 201 at the end of the filter tube 2 to prevent clogging of the pipeline. The filter tube 2 is regularly disassembled to clean the filtered impurities.

[0032] The above description is only a preferred embodiment of the present utility model, so all equivalent changes or modifications made according to the structure, features and principles described in the scope of the present utility model patent application are included in the scope of the present utility model patent application.

Claims

1. A three-way internal spiral ball valve, comprising a valve body (1), a rotating shaft (105) is rotatably provided at the top of the valve body (1), and a rotating handle (106) is provided at the top of the rotating shaft (105), characterized in that: The valve body (1) is provided with filter tubes (2) at both ends thereof, and the filter tubes (2) are connected to the valve body (1) by means of mounting screws (401); a sealing ring (104) is embedded in the inner wall of the valve body (1); a filter disc (201) is provided at one end of the filter tube (2) close to the rotating shaft (105); a sealing ring (203) is embedded on the surface of the filter tube (2); and an opening and closing mechanism (3) for limiting the rotating shaft (105) is provided above the valve body (1).

2. The three-way internal spiral ball valve according to claim 1, characterized in that: The opening and closing mechanism (3) comprises a mounting ring (301), a limiting screw (303) and a limiting plate (306); the mounting ring (301) is mounted on the surface of the rotating shaft (105); a mounting arm (302) is provided on the side wall of the mounting ring (301); the limiting screw (303) is arranged at the bottom end of the mounting arm (302); the limiting plate (306) is mounted on the top of the valve body (1) through a mounting column (305); an arc-shaped limiting groove (307) is provided on the surface of the limiting plate (306); and the limiting groove (307) is coaxial with the rotating shaft (105); the limiting screw (303) slides inside the limiting groove (307); and two locking nuts (304) are threadedly provided on the surface of the limiting screw (303).

3. The three-way internal spiral ball valve according to claim 2, characterized in that: A mounting plate (308) is provided on the outer side of the limit plate (306), and an indication key (309) is provided on the surface of the mounting plate (308), which is divided into an ON key, a first gear key, a second gear key, a third gear key, and an OFF key.

4. The three-way internal spiral ball valve according to claim 1, characterized in that: The other end of the valve body (1) is provided with a mounting tube 1 (101), and the end of the filter tube (2) away from the rotating shaft (105) is provided with a mounting tube 2 (204).

5. The three-way internal spiral ball valve according to claim 1, characterized in that: A limiting ring (102) is provided inside the valve body (1).

6. The three-way internal spiral ball valve according to claim 1, characterized in that: The inner wall of the valve body (1) is provided with a sealing groove (103), and the sealing ring (104) is arranged inside the sealing groove (103) and bonded by glue, and the inner side of the sealing ring (104) is in the same plane as the inner wall of the valve body (1).

7. The three-way internal spiral ball valve according to claim 1, characterized in that: The surface of the filter tube (2) is provided with a second sealing groove (202), the second sealing ring (203) is arranged inside the second sealing groove (202) and is bonded by glue, and the outer surface of the second sealing ring (203) is in the same plane as the outer surface of the filter tube (2).

8. The three-way internal spiral ball valve according to claim 1, characterized in that: A mounting seat (4) is provided on the surface of the valve body (1), and the mounting seat (4) is connected to the filter tube (2) via mounting screws (401).

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