Leak-proof ball valve

Abstract

The utility model belongs to the technical field of ball valves, and particularly relates to a leakproof ball valve which comprises a valve body. A switch handle is fixedly mounted at the top of the valve body, a water inlet connector is fixedly mounted on one side of the valve body, a water outlet connector is fixedly mounted on the other side of the valve body, a ball is rotatably mounted on the inner wall of the valve body, and a supporting mechanism is arranged on the inner wall of the water inlet connector. The sealing rubber ring can reduce friction between the ball body and the inner wall of the valve body when the ball body rotates, it is guaranteed that the ball body can be used for a long time, the sealing performance of the ball body can be lasting, meanwhile, the sealing rubber ring can enhance the sealing performance of the ball body, and the sealing ring can provide efficient sealing for the water inlet connector when the water inlet connector is connected with an external water pipe.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of ball valve, specifically is a kind of anti-leakage ball valve. BACKGROUND

[0002] Ball valve, opening and closing element (ball) is driven by valve stem, and rotates around the axis of ball valve. It can also be used for flow regulation and control, wherein hard sealing V-type ball valve has strong shear force between V-type ball core and hardfacing hard metal valve seat, and it is particularly suitable for media containing fibers, micro solid particles and the like. And multi-pass ball valve can not only flexibly control the flow of medium, flow distribution and flow direction switching on pipeline, but also can close any channel and connect the other two channels. The valve in the pipeline should generally be installed horizontally. Ball valve is divided into: pneumatic ball valve, electric ball valve and hand-operated ball valve according to driving mode.

[0003] In the prior art, a Chinese patent with publication number CN218883060U is proposed to solve the above technical problems. The technical solution disclosed in the patent document is as follows: a kind of anti-leakage ball valve, including valve body, the inside movable connection of valve body is connected with valve core, the top of valve core is fixedly connected with valve stem, the inside fixed connection of valve body is connected with packing, the inside fixed connection of valve body is connected with sealing ring, the side fixed connection of valve body is connected with butt joint pipe, the outer wall of butt joint pipe is fixedly connected with fixed block, the side of fixed block is provided with ring groove, the inside fixed connection of fixed block is connected with sealing pad, the inside movable connection of ring groove is connected with ring block. The anti-leakage ball valve can improve the installation efficiency of the ball valve, improve the installation efficiency of the pipeline and the ball valve, hide the installation, avoid the oxidation of installation parts, increase the difficulty of subsequent disassembly, effectively improve the sealing performance of the pipeline and the ball valve, indirectly improve the anti-leakage performance of the ball valve, so that the practicality of the ball valve is improved.

[0004] Although the above-mentioned patent can indirectly improve the anti-leakage performance of the ball valve, so that the practicality of the ball valve is improved, but it cannot reduce the wear of valve core during use, and further cause the problem of water leakage due to wear of valve core and switch surface in water impurities. UTILITY MODEL CONTENTS

[0005] In order to make up for the shortcomings of the prior art and solve at least one problem in the background art, a kind of anti-leakage ball valve is proposed.

[0006] The utility model discloses a technical scheme that solves its technical problem is adopted: A kind of ball valve of anti-leakage of the utility model, including valve body;The top of the valve body is fixedly installed with switch handle, one side of the valve body is fixedly installed with water inlet, the other side of the valve body is fixedly installed with water outlet, the inner wall of the valve body is rotatably installed with ball, the inner wall of the water inlet is provided with support mechanism, the support mechanism can be quickly disassembled and installed, the inner wall of the water inlet is provided with depth filtration assembly, the depth filtration assembly can carry out depth filtration to the water that enters the inside of water inlet, the inner wall of the water inlet is provided with preliminary filtration assembly, the preliminary filtration assembly can carry out preliminary filtration to the water in the inside of water inlet, the inner wall of the valve body is fixedly installed with sealing rubber ring near the two sides of water inlet and water outlet, the sealing rubber ring is movably installed with ball, sealing rubber ring can reduce the friction between ball and the inner wall of valve body when rotating, guarantee that ball can be used for a long time, the sealing property of ball can be obtained for a long time, sealing rubber ring can also strengthen the sealing property of ball simultaneously.

[0007] Preferably, the water inlet is fixedly installed with a sealing ring away from one side of the valve body, and the sealing ring can provide efficient sealing for the water inlet when the water inlet is connected with the external water pipe, prevent water leakage through the gap of the first fixed ring, and ensure the safety of the ball valve during use.

[0008] Preferably, the support mechanism comprises a first fixed ring, a connecting rod and a second fixed ring, the first fixed ring is slidably installed on the inner wall of the water inlet, one side of the first fixed ring is fixedly installed with the connecting rod, one end of the connecting rod away from the first fixed ring is fixedly installed with the second fixed ring, and the cooperation of the first fixed ring, the connecting rod and the second fixed ring can quickly install and disassemble the first sliding ring and the second sliding ring, and ensure the practicability of the ball valve.

[0009] Preferably, the depth filtration assembly comprises a first sliding ring and a first filter screen, the first sliding ring is slidably installed on the inner wall of the connecting rod, the inner wall of the first sliding ring is fixedly installed with the first filter screen, and the cooperation of the first sliding ring and the first filter screen can secondarily filter the water filtered by the first filter screen, to prevent impurities in the water from abrading the ball.

[0010] Preferably, the preliminary filtration assembly comprises a second sliding ring and a second filter screen, the second sliding ring is slidably installed on the inner wall of the connecting rod, the inner wall of the second sliding ring is fixedly installed with the second filter screen, and the second sliding ring is located away from one side of the valve body from the first sliding ring, the cooperation of the second sliding ring and the second filter screen can preliminarily filter the water in the inside of the water inlet, filter out larger impurities in the water, and ensure the purity of the water.

[0011] Preferably, the surface of the ball is coated with ceramic coating, the ceramic coating coated on the surface of the ball can effectively prevent the ball from being seriously worn, the sealing property of the ball can be kept for a long time, and the use efficiency of the ball valve is improved.

[0012] The ball valve has the advantages that:

[0013] 1. The ball valve with the leakage prevention function, by the sealing rubber ring and the sealing ring, the sealing rubber ring can reduce the friction between the ball and the inner wall of the valve body during rotation, the ball can be used for a long time, the sealing property of the ball can be kept for a long time, the sealing rubber ring can also strengthen the sealing property of the ball, the sealing ring can provide efficient sealing when the water inlet is connected with the external water pipe, water leakage through the gap of the first fixed ring is prevented, and the safety of the ball valve during use is ensured.

[0014] 2. The ball valve with the leakage prevention function, by the first fixed ring, the connecting rod, the second fixed ring, the first sliding ring and the first filter screen, the first fixed ring, the connecting rod and the second fixed ring are used in cooperation to quickly install and dismount the first sliding ring and the second sliding ring, the practicality of the ball valve is ensured, the first sliding ring and the first filter screen are used in cooperation to perform secondary filtration on the water filtered by the first filter screen, and the abrasion of the ball caused by impurities in the water is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further described in connection with the drawings.

[0016] Figure 1 It is the front view of the utility model;

[0017] Figure 2 It is the half cut structure drawing of the utility model;

[0018] Figure 3 It is the local explosion structure drawing of the utility model;

[0019] Figure 4 It is the utility model Figure 2 The enlarged structure schematic drawing of A place in the utility model;

[0020] Figure 5 It is the utility model Figure 3 The enlarged structure schematic drawing of B place in the utility model;

[0021] Figure 6 It is the utility model Figure 3 The enlarged structure schematic drawing of C place in the utility model

[0022] Figure 7 It is Figure 3 The local enlarged view of D place in the utility model;

[0023] Legend:

[0024] 1, valve body; 2, switch handle; 3, water inlet; 4, water outlet; 5, ball; 60, sealing rubber ring; 70, sealing ring; 8, support mechanism; 81, first fixed ring; 82, connecting rod; 83, second fixed ring; 9, depth filter assembly; 91, first sliding ring; 92, first filter screen; 10, preliminary filter assembly; 101, second sliding ring; 102, second filter screen. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0026] Specific embodiments are given below.

[0027] As Figures 1 to 7The utility model discloses a kind of ball valves of leakage prevention, including valve body 1;The top of valve body 1 is fixedly installed with switch handle 2, one side of valve body 1 is fixedly installed with water inlet 3, the other side of valve body 1 is fixedly installed with water outlet 4, the inner wall of valve body 1 is rotatably installed with ball 5, the inner wall of water inlet 3 is provided with support mechanism 8, support mechanism 8 can realize quick disassembly and installation, the inner wall of water inlet 3 is provided with depth filtration assembly 9, depth filtration assembly 9 can carry out depth filtration to the water that enters the inside of water inlet 3, the inner wall of water inlet 3 is provided with preliminary filtration assembly 10, preliminary filtration assembly 10 can carry out preliminary filtration to the water in the inside of water inlet 3, the two sides of the inner wall of valve body 1 close to water inlet 3 and water outlet 4 are fixedly installed with sealing rubber ring 60, sealing rubber ring 60 is movably installed with ball 5, sealing rubber ring can make ball, water inlet 3 is fixedly installed with sealing ring 70 on the side away from valve body 1, support mechanism 8 includes first fixed ring 81, connecting rod 82 and second fixed ring 83, first fixed ring 81 slidingly installs on the inner wall of water inlet 3, one side of first fixed ring 81 is fixedly installed with connecting rod 82, the end away from first fixed ring 81 of connecting rod 82 is fixedly installed with second fixed ring 83, depth filtration assembly 9 includes first sliding ring 91 and first filter screen 92;First sliding ring 91 slidingly installs on the inner wall of connecting rod 82, the inner wall of first sliding ring 91 is fixedly installed with first filter screen 92, preliminary filtration assembly 10 includes second sliding ring 101 and second filter screen 102;Second sliding ring 101 slidingly installs on the inner wall of connecting rod 82, the inner wall of second sliding ring 101 is fixedly installed with second filter screen 102, second sliding ring 101 is located on the side away from valve body 1 of first sliding ring 91, the surface of ball 5 is coated with ceramic coating.

[0028] As Figures 1 to 7As shown, the sealing rubber ring 60 can reduce the friction between the ball 5 and the inner wall of the valve body 1 during rotation, ensure that the ball 5 can be used for a long time, and make the sealing property of the ball 5 durable, and the sealing rubber ring 60 can also strengthen the sealing property of the ball 5, the sealing ring 70 can provide efficient sealing for the water inlet 3 when connected with the external water pipe, prevent water leakage through the gap of the first fixed ring 81, and ensure the safety of the ball valve during use, and the cooperation of the first fixed ring 81, the connecting rod 82 and the second fixed ring 83 can quickly install and dismount the first sliding ring 91 and the second sliding ring 101, ensure the practicability of the ball valve, the cooperation of the first sliding ring 91 and the first filter screen 92 can perform secondary filtration on the water filtered by the first filter screen 92, prevent impurities in the water from abrading the ball 5, the cooperation of the second sliding ring 101 and the second filter screen 102 can preliminarily filter the water in the water inlet 3, filter out the larger impurities in the water, and ensure the purity of the water, and the ceramic coating on the surface of the ball 5 can effectively prevent the ball 5 from being seriously abraded, make the sealing property of the ball 5 durable, and improve the use efficiency of the ball valve

[0029] Working principle: in work, first, the water outlet 4 and the water inlet 3 are connected with the pipeline, then the switch handle 2 is rotated to make the ball 5 present the open state, when the water flows through the water inlet 3, the impurities in the water are filtered by the second filter screen 102 and the first filter screen 92, prevent the impurities in the water from abrading the ball 5, and the sealing rubber ring 60 can reduce the abrasion of the ball 5 during rotation when the ball valve is opened, improve the sealing property and sealing duration of the sealing rubber ring 60, when the second filter screen 102 and the first filter screen 92 need to be replaced, first, disconnect the water pipe from the water inlet 3, then pull out the first fixed ring 81 outward, then pull out the second sliding ring 101 and the first sliding ring 91 in sequence for replacement, when installing, first, the first sliding ring 91 is slidably installed into the inner wall of the connecting rod 82, then the second sliding ring 101 is installed, and finally, the first fixed ring 81 is slidably installed into the inner wall of the water inlet 3.

[0030] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A leak-tight ball valve comprising a valve body (1); characterized in that: The top of the valve body (1) is fixedly installed with an opening and closing handle (2), one side of the valve body (1) is fixedly installed with a water inlet interface (3), the other side of the valve body (1) is fixedly installed with a water outlet interface (4), the inner wall of the valve body (1) is rotatably installed with a ball (5), the inner wall of the water inlet interface (3) is provided with a supporting mechanism (8), the supporting mechanism (8) can be quickly disassembled and installed, the inner wall of the water inlet interface (3) is provided with a depth filtration assembly (9), the depth filtration assembly (9) can perform depth filtration on the water entering the inside of the water inlet interface (3), and the inner wall of the water inlet interface (3) is provided with a preliminary filtration assembly (10).

2. A leak-tight ball valve according to claim 1, characterized in that: The inner wall of the valve body (1) is fixedly installed with a sealing rubber ring (60) near the two sides of the water inlet interface (3) and the water outlet interface (4), and the sealing rubber ring (60) is movably installed with the ball (5).

3. A leak-tight ball valve according to claim 2, characterized in that: The side, away from the valve body (1), of the water inlet interface (3) is fixedly installed with a sealing ring (70).

4. A leak-tight ball valve according to claim 1, characterized in that: The supporting mechanism (8) comprises a first fixed ring (81), a connecting rod (82) and a second fixed ring (83), the first fixed ring (81) is slidably installed on the inner wall of the water inlet interface (3), one side of the first fixed ring (81) is fixedly installed with the connecting rod (82), and one end, away from the first fixed ring (81), of the connecting rod (82) is fixedly installed with the second fixed ring (83).

5. A leak-proof ball valve according to claim 1, characterized in that: The depth filtration assembly (9) comprises a first sliding ring (91) and a first filter screen (92), the first sliding ring (91) is slidably installed on the inner wall of the connecting rod (82), and the inner wall of the first sliding ring (91) is fixedly installed with the first filter screen (92).

6. A leak-tight ball valve according to claim 1, characterized in that: The preliminary filtration assembly (10) comprises a second sliding ring (101) and a second filter screen (102), the second sliding ring (101) is slidably installed on the inner wall of the connecting rod (82), the inner wall of the second sliding ring (101) is fixedly installed with the second filter screen (102), and the second sliding ring (101) is located on the side, away from the valve body (1), of the first sliding ring (91).

7. A leak-tight ball valve according to claim 2, characterized in that: The surface of the ball (5) is coated with ceramic paint.

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