A ball valve anti-scaling mechanism

By designing the ball valve scale-proof mechanism, using the combination of the oil injection device and the sealing rubber seat, lubricating oil is injected and dirt falls, the problem of pollution accumulation in the ball valve stem affecting rotation is solved, and the use effect and sealing of the ball valve are improved.

CN222702623UActive Publication Date: 2025-04-01SHANGHAI BIAOYI VALVE
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Patent Information

Application Number
CN202420734643.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-10
Publication Date
2025-04-01
Estimated Expiration
2034-04-10

AI Technical Summary

Technical Problem

After the existing ball valve is working for a period of time, dirt may accumulate at the valve stem, affecting the rotation of the valve stem, and thus affecting the working effect of the ball valve.

Method used

A ball valve scale-proof mechanism is designed. By rotating the sealing device, the oil injection device pushes the sealing rubber seat, causing the telescopic seat to squeeze the return spring, and moves the sealing seat to inject lubricating oil. The lubricating oil flows out through the oil injection channel. The lubricating oil flows down from the outer wall of the rotating valve stem, promoting dirt drop and improving the sealing effect.

Benefits of technology

Effectively avoid dirt affecting the rotation of the valve stem, improve the use effect of the ball valve, and improve the sealing effect of the rotating valve stem through the sealing device.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222702623U_ABST
Patent Text Reader

Abstract

The utility model discloses a ball valve anti-scaling mechanism, which relates to the technical field of ball valve structure, and is designed to solve the problem that dirt may accumulate at the valve stem of the existing ball valve after working for a period of time, which will affect the rotation of the valve stem and affect the operation of the ball valve. A sealing seat is arranged inside the rotating valve stem, a sealing groove is arranged at one end of the sealing seat, and an oil filling groove is arranged at the other end of the sealing seat. A sealing device 1 is installed on one side of the rotating valve stem, a threaded fixing seat 1 is arranged at one end of the sealing device 1, a sleeve is arranged at one end of the threaded fixing seat 1, a telescopic seat is arranged at one end of the sleeve, a sealing rubber seat 1 is installed on one side of the telescopic seat, a sealing device 2 is installed on the other side of the rotating valve stem, a threaded fixing seat 2 is arranged at one end of the sealing device 2, a fixed connection seat is arranged at one end of the threaded fixing seat 2, and a sealing rubber seat 2 is installed on one side of the fixed connection seat.
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Description

Technical Field

[0001] The utility model relates to the technical field of ball valve structures, in particular to an anti-scaling mechanism for a ball valve. Background Art

[0002] A ball valve is a valve whose opening and closing member (ball) is driven by a valve stem and rotates around the axis of the ball valve. It can also be used for fluid regulation and control. Ball valves are widely used in oil refining, long-distance pipelines, chemicals, papermaking, pharmaceuticals, water conservancy, electricity, municipal administration, steel and other industries. Ball valves are mainly used to cut off, distribute and change the flow direction of the medium in the pipeline. It only needs to rotate 90° and have a very small torque to close tightly. Ball valves are most suitable for use as switches and cut-off valves. Dirt is easily accumulated on the valve stem during the use of the ball valve, which makes the valve stem of the ball valve easily affected during rotation.

[0003] After searching, the authorization announcement number CN214050593U discloses a smart ball valve with an anti-scaling structure, including a smart ball valve body, screws, a connector and a pentagonal bolt. The water inlet interface is threadedly connected with a filter tank, one end of the drainage interface is connected with a corrugated pipe, one end of the corrugated pipe is connected with a drainage joint, the outer side of the drainage joint is fixedly connected with a fixing ring, the top of the drainage interface is welded with an L-shaped support rod, one end of the L-shaped support rod is connected with a mounting seat, the bottom end of the mounting seat is connected with a telescopic mechanism, the top of the fixing ring is installed with a limited seat, and the bottom end of the telescopic mechanism is connected to the limited seat. The manually operated telescopic mechanism can realize the height adjustment of the drainage joint, and then facilitate the connection of the two ends of the smart ball valve body with pipelines of different heights, realize the transportation and control of the liquid, facilitate people's operation, and make the smart ball valve highly applicable.

[0004] However, after the existing ball valve has been working for a period of time, dirt may accumulate on the valve stem, which will affect the rotation of the valve stem and the operation of the ball valve. Therefore, a ball valve anti-scaling mechanism is urgently needed in the market to solve these problems. Utility Model Content

[0005] The utility model aims to provide a ball valve anti-scaling mechanism to solve the problem in the background art that dirt may accumulate on the valve stem of the existing ball valve after working for a period of time, which will affect the rotation of the valve stem and affect the operation of the ball valve.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a ball valve anti-scaling mechanism, comprising a ball valve body, a sealing end is arranged inside the ball valve body, a mounting seat is arranged at one end of the ball valve body, a mounting end is arranged at the lower end of the ball valve body, a sealing device is arranged below the mounting end, a fixing seat is arranged at the upper end of the ball valve body, a mounting frame is arranged above the fixing seat, an electric device is arranged above the mounting frame, a ball is arranged on one side of the sealing end, a rotating valve stem is arranged below the electric device, a sealing seat is arranged inside the rotating valve stem, a sealing groove is arranged at one end of the sealing seat, and An oil filling groove is provided at the other end of the sealing seat, an oil filling channel is provided below one end of the sealing seat, a diversion port is provided at the lower end of the oil filling channel, a sealing device 1 is installed on one side of the rotating valve stem, a threaded fixing seat 1 is provided at one end of the sealing device 1, a sleeve is provided at one end of the threaded fixing seat 1, a telescopic seat is provided at one end of the sleeve, a sealing rubber seat 1 is installed on one side of the telescopic seat, a sealing device 2 is installed on the other side of the rotating valve stem, a threaded fixing seat 2 is provided at one end of the sealing device 2, a fixed connecting seat is provided at one end of the threaded fixing seat 2, and a sealing rubber seat 2 is installed on one side of the fixed connecting seat.

[0007] Preferably, the mounting seat and the ball valve body are an integral structure, a mounting screw hole is provided inside the mounting seat, a fixed end is provided at the lower end of the mounting frame, and the fixed end is fixedly connected to the fixed seat by a fixing bolt.

[0008] Preferably, a rotation positioning seat is provided at the upper end of the sealing device, the rotation positioning seat is provided corresponding to the sphere, and the lower end of the rotating valve stem is provided corresponding to the sphere.

[0009] Preferably, a connecting seat is provided at one end of the ball valve body, a connecting valve body is installed on one side of the connecting seat, a connecting end is provided at one end of the connecting valve body, and the connecting end is fixedly connected to the connecting seat by a connecting bolt.

[0010] Preferably, a threaded sealing seat is provided at one end of the sealing groove, the threaded fixing seat 1 is fixed to the threaded sealing seat by a threaded connection, an installation chamber is provided inside the sleeve, a reset spring is installed inside the installation chamber, one end of the reset spring is welded to the sleeve, the other end of the reset spring is welded to the telescopic seat, a fixing chamber is provided inside one end of the telescopic seat, and the sealing rubber seat 1 is fixedly connected to the telescopic seat by a fixing screw.

[0011] Preferably, a threaded mounting seat is provided at one end of the oil filling groove, the second threaded fixing seat and the threaded mounting seat are fixed by threaded connection, and the second sealing rubber seat and the fixed connection seat are fixedly connected by mounting screws.

[0012] Preferably, a second sealing gasket is installed inside the threaded sealing seat, and the second sealing gasket is connected to the threaded sealing seat by gluing. A first sealing gasket is installed inside the threaded mounting seat, and the first sealing gasket is connected to the threaded mounting seat by gluing.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] 1. The anti-scaling mechanism of the ball valve is realized by rotating the sealing device 2 to open the sealing device 2, and then by extending one end of the oil injection device from the oil injection groove and pushing the sealing rubber seat 1 through the one end of the oil injection device, so that the telescopic seat can squeeze the reset spring, so that the telescopic seat can move to one side, and the oil injection channel leaks out at this time, and then the oil is injected through the oil injection device, so that the lubricating oil passes through the oil injection channel and then flows out from the diversion port, so that the lubricating oil flows down from the outer wall of the rotating valve stem, and then the valve stem is rotated, so that the dirt can be easily dropped when the rotating valve stem rotates, so as to prevent the dirt from affecting the rotation of the rotating valve stem, thereby affecting the use effect of the ball valve, and the sealing effect of the rotating valve stem can be improved by the sealing device 1 and the installed sealing rubber seat 1.

[0015] 2. For this kind of ball valve anti-scaling mechanism, after the oil filling is completed, the oil filling device is taken out. Under the action of the reset spring, the telescopic seat pushes the sealing rubber seat 1 to move, so that the sealing seat can be sealed again, and then the sealing device 2 is installed, so that the other end of the sealing seat can be sealed, thereby improving the sealing effect. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0017] Figure 2 It is an overall cross-sectional view of the utility model;

[0018] Figure 3 It is a cross-sectional view of the sealing device of the utility model;

[0019] Figure 4 For the utility model Figure 2 A partial enlarged view of area A.

[0020] In the figure: 1, ball valve body; 101, sealing end; 102, mounting end; 103, fixing seat; 104, connecting seat; 2, mounting seat; 201, mounting screw hole; 3, sealing device; 301, rotating positioning seat; 4, mounting frame; 401, fixing end; 5, fixing bolt; 6, electric device; 7, ball; 8, connecting valve body; 801, connecting end; 9, connecting bolt; 10, rotating valve stem; 1001, sealing seat; 1002, sealing groove; 1003, threaded sealing seat; 1004, injection Oil tank; 1005, threaded mounting seat; 1006, oil injection channel; 1007, diverter port; 11, sealing device 1; 12, threaded fixing seat 1; 13, sleeve; 1301, mounting chamber; 14, return spring; 15, telescopic seat; 1501, fixing chamber; 16, sealing rubber seat 1; 17, fixing screw; 18, sealing device 2; 19, threaded fixing seat 2; 20, fixed connecting seat; 21, sealing rubber seat 2; 22, mounting screw; 23, sealing gasket 1; 24, sealing gasket 2. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1-4The utility model provides an embodiment: a ball valve anti-scaling mechanism, comprising a ball valve body 1, a sealing end 101 is arranged inside the ball valve body 1, a mounting seat 2 is arranged at one end of the ball valve body 1, a mounting end 102 is arranged at the lower end of the ball valve body 1, a sealing device 3 is arranged below the mounting end 102, a fixing seat 103 is arranged at the upper end of the ball valve body 1, a mounting frame 4 is arranged above the fixing seat 103, an electric device 6 is arranged above the mounting frame 4, a ball 7 is arranged on one side of the sealing end 101, a rotating valve stem 10 is arranged below the electric device 6, a sealing seat 1001 is arranged inside the rotating valve stem 10, a sealing groove 1002 is arranged at one end of the sealing seat 1001, an oil filling groove 1004 is arranged at the other end of the sealing seat 1001, and a sealing groove 1006 is arranged below one end of the sealing seat 1001. An oil injection channel 1006, a diversion port 1007 is provided at the lower end of the oil injection channel 1006, a sealing device 11 is installed on one side of the rotating valve stem 10, a threaded fixing seat 12 is provided at one end of the sealing device 11, a sleeve 13 is provided at one end of the threaded fixing seat 12, a telescopic seat 15 is provided at one end of the sleeve 13, a sealing rubber seat 16 is installed on one side of the telescopic seat 15, a sealing device 18 is installed on the other side of the rotating valve stem 10, a threaded fixing seat 19 is provided at one end of the sealing device 18, a fixed connecting seat 20 is provided at one end of the threaded fixing seat 19, a sealing rubber seat 21 is installed on one side of the fixed connecting seat 20, it should be noted that in order to save space and highlight the innovative elements of this patent, such as the specific working principle and working process of the ball valve, will not be repeated in this patent.

[0023] When in use, the sealing device 18 is opened by rotating the sealing device 18, and then one end of the oil filling device is inserted into the oil filling groove 1004, and the sealing rubber seat 16 is pushed by one end of the oil filling device to make the telescopic seat 15 squeeze the reset spring 14, so that the telescopic seat 15 can move to one side, and the oil filling channel 1006 leaks out at this time, and then the oil filling device is used to fill the oil, so that the lubricating oil passes through the oil filling channel 1006 and then flows out from the diversion port 1007, so that the lubricating oil flows down from the outer wall of the rotating valve stem 10, and then the valve stem is rotated, so that the dirt can be easily dropped when the rotating valve stem 10 rotates, and when the oil filling is completed, the oil filling device is taken out, so that under the action of the reset spring 14, the telescopic seat 15 pushes the sealing rubber seat 16 to move, so that the sealing seat 1001 can be sealed again, and then the sealing device 18 is installed.

[0024] See also Figure 1 and Figure 2The mounting seat 2 and the ball valve body 1 are an integrated structure, a mounting screw hole 201 is provided inside the mounting seat 2, a fixed end 401 is provided at the lower end of the mounting frame 4, and the fixed end 401 is fixedly connected to the fixed seat 103 by a fixing bolt 5, so that the structure between the mounting seat 2 and the ball valve body 1 can be made more solid, and the mounting frame 4 and the fixed seat 103 can be conveniently installed and fixed by the fixing bolt 5.

[0025] See also Figure 2 The upper end of the sealing device 3 is provided with a rotating positioning seat 301, and the rotating positioning seat 301 is arranged corresponding to the ball 7. The lower end of the rotating valve stem 10 is arranged corresponding to the ball 7. Through this arrangement, the rotating valve stem 10 can drive the ball 7 to rotate.

[0026] See also Figure 1 and Figure 2 A connecting seat 104 is provided at one end of the ball valve body 1, a connecting valve body 8 is installed on one side of the connecting seat 104, a connecting end 801 is provided at one end of the connecting valve body 8, and the connecting end 801 and the connecting seat 104 are fixedly connected by connecting bolts 9, so that the connecting valve body 8 and the ball valve body 1 can be conveniently installed and fixed.

[0027] See also Figure 2 , Figure 3 and Figure 4 A threaded sealing seat 1003 is provided at one end of the sealing groove 1002, and the threaded fixing seat 12 is fixed to the threaded sealing seat 1003 by threaded connection. An installation chamber 1301 is provided inside the sleeve 13, and a reset spring 14 is installed inside the installation chamber 1301. One end of the reset spring 14 is welded to the sleeve 13, and the other end of the reset spring 14 is welded to the telescopic seat 15. A fixing chamber 1501 is provided inside one end of the telescopic seat 15. A sealing rubber seat 16 is fixedly connected to the telescopic seat 15 by a fixing screw 17, so that the structure between the reset spring 14 and the sleeve 13 and the telescopic seat 15 can be more solid. The reset spring 14 can make the telescopic seat 15 move and reset, and the sealing rubber seat 16 can seal one end of the sealing seat 1001.

[0028] See also Figure 2 and Figure 4 A threaded mounting seat 1005 is provided at one end of the oil filling groove 1004, and the threaded fixing seat 19 and the threaded mounting seat 1005 are fixed by a threaded connection, and the sealing rubber seat 21 and the fixed connecting seat 20 are fixedly connected by mounting screws 22. The sealing rubber seat 21 and the fixed connecting seat 20 can be conveniently installed and fixed, and the other end of the sealing seat 1001 can be sealed through the sealing rubber seat 21.

[0029] See also Figure 2 and Figure 4 A sealing gasket 24 is installed inside the threaded sealing seat 1003, and the sealing gasket 24 and the threaded sealing seat 1003 are connected by adhesive. A sealing gasket 1 23 is installed inside the threaded mounting seat 1005, and the sealing gasket 1 23 and the threaded mounting seat 1005 are connected by adhesive. By installing the sealing gasket 24 and the sealing gasket 1 23, the sealing performance between the sealing device 11 and the sealing device 2 18 and the rotating valve stem 10 can be improved.

[0030] Working principle: During use, after the ball valve body 1 has been used for a period of time, dirt may appear on the rotating valve stem 10, which will affect the rotation of the rotating valve stem 10, thereby affecting the use effect of the ball valve. When dirt appears, the sealing device 18 is opened by rotating the sealing device 18, and then one end of the oil injection device is inserted from the oil injection groove 1004, and the sealing rubber seat 16 is pushed through one end of the oil injection device to make the telescopic seat 15 squeeze the reset spring 14, so that the telescopic seat 15 can move to one side, and the oil injection channel 1006 is leaked at this time, and then oil is injected through the oil injection device, so that the lubricating oil passes through the oil injection channel 1006 and then Then it flows out from the diversion port 1007, so that the lubricating oil flows down from the outer wall of the rotating valve stem 10, and then rotates through the valve stem, so that the dirt can be easily dropped when the rotating valve stem 10 rotates, thereby preventing the dirt from affecting the rotation of the rotating valve stem 10, thereby affecting the use effect of the ball valve. When the oil filling is completed, the oil filling device is taken out, so that under the action of the reset spring 14, the telescopic seat 15 pushes the sealing rubber seat 16 to move, so that the sealing seat 1001 can be sealed again, and then the sealing device 2 18 is installed, so that the other end of the sealing seat 1001 can be sealed, thereby improving the sealing effect.

[0031] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A ball valve anti-scaling mechanism, comprising a ball valve body (1), characterized in that: The ball valve body (1) is provided with a sealing end (101) inside, one end of the ball valve body (1) is provided with a mounting seat (2), the lower end of the ball valve body (1) is provided with a mounting end (102), a sealing device (3) is installed below the mounting end (102), the upper end of the ball valve body (1) is provided with a fixing seat (103), a mounting frame (4) is installed above the fixing seat (103), an electric device (6) is installed above the mounting frame (4), a ball (7) is installed on one side of the sealing end (101), a rotating valve stem (10) is installed below the electric device (6), a sealing seat (1001) is provided inside the rotating valve stem (10), one end of the sealing seat (1001) is provided with a sealing groove (1002), the other end of the sealing seat (1001) is provided with an oil filling groove (1004), the sealing An oil injection channel (1006) is provided below one end of the sealing seat (1001), and a diversion port (1007) is provided at the lower end of the oil injection channel (1006). A sealing device (11) is installed on one side of the rotating valve stem (10), and a threaded fixing seat (12) is provided at one end of the sealing device (11), and a sleeve (13) is provided at one end of the threaded fixing seat (12), and a telescopic seat (15) is provided at one end of the sleeve (13), and a sealing rubber seat (16) is installed on one side of the telescopic seat (15). A sealing device (18) is installed on the other side of the rotating valve stem (10), and a threaded fixing seat (19) is provided at one end of the sealing device (18), and a fixed connection seat (20) is provided at one end of the threaded fixing seat (19), and a sealing rubber seat (21) is installed on one side of the fixed connection seat (20).

2. The anti-scaling mechanism for a ball valve according to claim 1, characterized in that: The mounting seat (2) and the ball valve body (1) are an integral structure, a mounting screw hole (201) is provided inside the mounting seat (2), a fixing end (401) is provided at the lower end of the mounting frame (4), and the fixing end (401) is fixedly connected to the fixing seat (103) via a fixing bolt (5).

3. The anti-scaling mechanism for a ball valve according to claim 1, characterized in that: The upper end of the sealing device (3) is provided with a rotation positioning seat (301), the rotation positioning seat (301) is arranged corresponding to the ball (7), and the lower end of the rotating valve stem (10) is arranged corresponding to the ball (7).

4. The anti-scaling mechanism for a ball valve according to claim 1, characterized in that: A connecting seat (104) is provided at one end of the ball valve body (1), a connecting valve body (8) is mounted on one side of the connecting seat (104), a connecting end (801) is provided at one end of the connecting valve body (8), and the connecting end (801) is fixedly connected to the connecting seat (104) via a connecting bolt (9).

5. The anti-scaling mechanism for a ball valve according to claim 1, characterized in that: A threaded sealing seat (1003) is provided at one end of the sealing groove (1002); the threaded fixing seat (12) and the threaded sealing seat (1003) are fixed via a threaded connection; an installation chamber (1301) is provided inside the sleeve (13); a return spring (14) is installed inside the installation chamber (1301); one end of the return spring (14) is welded to the sleeve (13); the other end of the return spring (14) is welded to the telescopic seat (15); a fixing chamber (1501) is provided inside one end of the telescopic seat (15); and the sealing rubber seat (16) and the telescopic seat (15) are fixedly connected via a fixing screw (17).

6. The anti-scaling mechanism for a ball valve according to claim 1, characterized in that: A threaded mounting seat (1005) is provided at one end of the oil filling groove (1004); the second threaded fixing seat (19) and the threaded mounting seat (1005) are fixedly connected via threads; and the second sealing rubber seat (21) and the fixed connection seat (20) are fixedly connected via mounting screws (22).

7. The anti-scaling mechanism for a ball valve according to claim 5, characterized in that: A second sealing gasket (24) is installed inside the threaded sealing seat (1003), and the second sealing gasket (24) is connected to the threaded sealing seat (1003) by gluing. A first sealing gasket (23) is installed inside the threaded mounting seat (1005), and the first sealing gasket (23) is connected to the threaded mounting seat (1005) by gluing.