CN215257943U

CN215257943U - Soft sealing anti-blocking fluorine lining ball valve

Info

Publication number: CN215257943U
Application number: CN202121077532.7U
Authority: CN
Inventors: 代振廷; 肖雷; 李满义
Original assignee: Jiangsu Youtuo Precision Technology Co ltd
Current assignee: Jiangsu Youtuo Precision Technology Co ltd
Priority date: 2021-05-19
Filing date: 2021-05-19
Publication date: 2021-12-21
Anticipated expiration: 2031-05-19

Abstract

The utility model discloses a soft sealing prevents blockking up fluorine ball valve of lining, be in including valve body, setting spherical chamber in the valve body, can dismantle the disk seat of being connected with the valve body, all be equipped with the medium passageway of mutual intercommunication in valve body, spherical chamber and the disk seat, be equipped with annular step in the one end that valve body and disk seat are connected, be equipped with filter screen pipe and elastic sealing circle in the step in proper order, be equipped with the filter screen in the filter screen pipe, the one end that disk seat and valve body are connected is equipped with and cooperatees and can support the annular boss of tight sealing circle with the step. The utility model discloses a soft sealing prevents blockking up fluorine lining ball valve can improve the sealed effect of ball valve body and disk seat, avoids the medium to ooze from between disk seat and the valve body, simultaneously, can filter the impurity in the medium to filter equipment dismantles and washs the convenience, improves the efficiency of production.

Description

Soft sealing anti-blocking fluorine lining ball valve

Technical Field

The utility model relates to a ball valve equipment technical field, concretely relates to soft sealing prevents blockking up fluorine lining ball valve.

Background

The ball valve is widely used due to its simple structure, small volume, light weight, tightness, reliability, convenient operation, rapid opening and closing and wide application range, and is an effective and necessary cut-off device in a fluid medium conveying pipeline. The existing ball valve is only provided with a smooth gasket between a valve body and a valve seat, the sealing effect is poor, the condition that a medium seeps out from the joint of the valve body and the valve seat can occur when a medium with stronger permeability is transmitted for a long time, the production loss is caused, and the health of workers can be seriously damaged, meanwhile, most ball valves are not provided with a filtering structure, the impurities in the medium can not be filtered, as some impurities enter the inside of the valve body in the long-term use process of the ball valve, a certain friction force can be generated when the ball body rotates, and the ball body can not be started and stopped in time, the purity of production and processing is reduced, certain potential safety hazards exist, some ball valves are provided with filtering devices fixed through bolts, the bolts are easy to react with the medium for a long time to cause rusting and blocking, the filtering devices need to be cleaned or replaced regularly, and the cleaning and replacement work is inconvenient when the filtering devices are difficult to be disassembled, the working efficiency of cleaning the ball valve is reduced.

Disclosure of Invention

The utility model aims to provide a: overcome prior art's not enough, provide a soft sealing and prevent blockking up lining fluorine ball valve, can improve the sealed effect of ball valve body and disk seat, reduce the medium and ooze, simultaneously, can filter the impurity in the medium to filter equipment dismantles and washs the convenience, improves the efficiency of production.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a soft sealing prevents blockking up lining fluorine ball valve, includes the valve body, sets up spherical chamber in the valve body, can dismantle the disk seat of being connected with the valve body, all be equipped with the medium passageway of mutual intercommunication in valve body, spherical chamber and the disk seat, be equipped with annular step in the one end that valve body and disk seat are connected, be equipped with filter screen pipe and elastic sealing circle in the step in proper order, be equipped with the filter screen in the filter screen pipe, the one end that disk seat and valve body are connected is equipped with and cooperatees and can support the annular boss of tight sealing circle with the step.

The utility model discloses a further improvement scheme is, the filter screen pipe block is in the step and with the step bottom surface supports tightly, filter screen intraductal the inlaying has the filter screen.

The utility model discloses a further improvement scheme is, the filter screen is two-layer at least, the aperture of filter screen reduces along the direction successive layer that intakes.

The utility model discloses further improve the scheme and be, be equipped with two-layer filter screen in the filter screen pipe, be equipped with the filter core between the filter screen.

The utility model discloses a further improvement scheme is, filter screen pipe and filter screen adopt high strength alloy, and its surface is equipped with the tetrafluoro lining.

The utility model discloses further improve the scheme be, the sealing washer inlays to be established in the step and with the laminating of filter screen pipe mouth of pipe, the sealing washer surface is equipped with elastic annular strengthening rib.

The utility model discloses a further improvement scheme is, the strengthening rib is one at least, strengthening rib thickness is 0.2-0.3 mm.

The utility model discloses a further improvement scheme is, be equipped with the inner liner of cladding to both ends terminal surface in valve body, the disk seat, the material of inner liner is polyvinyl fluoride.

The utility model discloses further improve the scheme and be, valve body and disk seat pass through bolted connection fastening.

The beneficial effects of the utility model reside in that:

first, the utility model discloses a soft sealing prevents blockking up fluorine lining ball valve is equipped with annular step through valve body and disk seat junction, be equipped with the elastic sealing circle in the annular step, disk seat and valve body junction be equipped with annular step assorted boss, through annular step and boss block, increased the area of contact of disk seat and valve body, reduce the medium infiltration, prevent to open and stop that pressure variation leads to connecting not hard up, improves the stability between disk seat and the valve body.

Second, the utility model discloses a soft sealing prevents blockking up fluorine lining ball valve, through the filter screen is inlayed in the filter screen pipe, support tightly through filter screen pipe and annular groove inner wall, be equipped with the sealing washer in one side that the filter screen pipe is close to the inlet terminal surface, the sealing washer block is in the annular groove, can further fasten the filter screen when the installation ball valve, avoid the filter screen not hard up, when improving the ball valve installation and the sealed effect between the pipeline.

Third, the utility model discloses a soft sealing prevents blockking up fluorine lining ball valve can filter the debris that contain in the pipeline through the filter screen pipe, when the liquid that contains debris flows through the valve, reduces the circumstances that pipeline blockked up or the valve blockked up and takes place, improves the life and the security performance of ball valve.

Fourth, the utility model discloses a soft sealing prevents blockking up fluorine lining ball valve because the sealing washer has elasticity, can fill the unevenness on sealed face surface, can reach the medium sealing performance of high degree, and the medium sealing performance of this kind of high degree can be repeated to reach moreover, can the sealed effect of effectual improvement ball valve.

Fifth, the utility model discloses a soft sealing prevents blockking up fluorine ball valve of lining is equipped with an elastic annular strengthening rib of at least stage property through the sealing washer surface, can pass through the bolt-up when disk seat and valve body, further improves the sealed effect to the medium between sealing washer and the disk seat, prevents that the medium of strong osmotic force from oozing, reduces the probability of the emergence of medium seepage problem.

Sixth, the utility model discloses a soft sealing prevents blockking up fluorine ball valve of lining is equipped with an elastic annular strengthening rib of at least stage property through the sealing washer surface, can pass through the bolt-up when disk seat and valve body, further reduces the clearance that the medium can pass through between sealing washer and the disk seat, prevents that the strong permeability medium from oozing, reduces the emergence probability of medium seepage problem.

Seventh, the utility model discloses a soft sealing prevents blockking up lining fluorine ball valve is equipped with two-layer filter screen in the filter screen pipe, be equipped with the filter core between the filter screen, filter screen pipe and filter screen adopt high strength alloy, and its surface is equipped with the tetrafluoro lining layer, can improve the intensity and the corrosion resistance of filter screen pipe and filter screen, filters repeatedly the medium in the pipeline, improves the filtration efficiency to the medium.

Eighth, the utility model discloses a soft sealing prevents blockking up fluorine lining ball valve, through the filter screen pipe supports tightly in inlet recess inner wall, the filter screen is inlayed in the filter screen pipe, and the filter screen pipe supports tightly with annular groove inner wall, only need follow the liquid outlet and carry out reverse support to press just can support the filter screen pipe out the disk seat to the filter screen pipe when changing the filter screen for it is more convenient that the filter screen is changed. The ball valve is not fixed by bolts, so that the bolts are prevented from reacting with a medium, the rusting and blocking result in difficulty in replacing the filter screen in the ball valve, and the efficiency of replacing and cleaning the filter screen is improved.

Description of the drawings:

fig. 1 is a main sectional view of the soft sealing anti-clogging fluorine lining ball valve provided by the utility model.

Fig. 2 is the utility model provides a local enlarged schematic diagram of a department of soft seal anti-clogging fluorine lining ball valve.

In the figure, 1-valve body, 2-spherical cavity, 3-valve seat, 4-medium channel, 5-step, 6-filter screen pipe, 7-sealing ring, 8-filter screen, 9-boss, 10-filter element, 11-reinforcing rib, 12-inner liner layer and 13-bolt.

The specific implementation mode is as follows:

the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

As can be seen from fig. 1-2, this embodiment provides a soft-sealing anti-clogging fluorine lining ball valve, which includes a valve body 1, a spherical cavity 2 disposed in the valve body 1, and a valve seat 3 detachably connected to the valve body 1, wherein medium passages 4 communicated with each other are disposed in the valve body 1, the spherical cavity 2, and the valve seat 3, an annular step 5 is disposed in one end of the valve body 1 connected to the valve seat 3, a filter screen pipe 6 and an elastic sealing ring 7 are sequentially disposed in the step 5, a filter screen 8 is disposed in the filter screen pipe 6, and impurities contained in a pipeline can be filtered through the filter screen pipe 6. And an annular boss 9 which is matched with the step 5 and can tightly support the sealing ring 7 is arranged at one end of the valve seat 3 connected with the valve body 1. Through

step

5 and 9 block of boss, increased the area of contact of disk seat 3 and valve body 1, reduce the medium infiltration, prevent to stop the change of valve internal pressure and lead to connecting not hard up, improve the stability between disk seat 3 and the valve body 1.

The filter screen pipe 6 is clamped in the step 5 and tightly abutted against the bottom surface of the step 5, and the filter screen 8 is embedded in the filter screen pipe 6. When the filter screen 8 is replaced, the filter screen pipe 6 can be supported out of the valve seat 3 only by reversely supporting the filter screen pipe 6 from the liquid outlet, so that the filter screen 8 is more convenient to replace. The ball valve is not fixed by bolts, so that the bolts are prevented from reacting with a medium, the rusting and blocking result in difficulty in replacing the filter screen in the ball valve, and the efficiency of replacing and cleaning the filter screen is improved.

The filter screen 8 is at least two layers, and the aperture of the filter screen 8 is gradually reduced along the water inlet direction. Two layers of filter screens 8 are arranged in the filter screen pipe 6, and a filter element 10 is arranged between the filter screens. The filter screen pipe 6 and the filter screen 8 are made of high-strength alloy, and the surfaces of the filter screen pipe and the filter screen are provided with tetrafluoro linings. The strength and the corrosion resistance of the filter screen pipe 6 and the filter screen 8 can be improved, the medium in the pipeline is repeatedly filtered, and the filtering efficiency of the medium is improved.

The sealing ring 7 is embedded in the step 5 and attached to the pipe orifice of the filter screen pipe 6, and the surface of the sealing ring 7 is provided with an elastic annular reinforcing rib 11. Can further fasten filter screen pipe 6 when the installation ball valve, avoid filter screen pipe 6 not hard up, improve the ball valve installation when and the sealed effect between the pipeline. Because the sealing ring 7 has elasticity, unevenness of the surface of a sealing surface can be filled, medium sealing performance of a high degree can be achieved, the medium sealing performance of the high degree can be achieved repeatedly, and the sealing effect of the ball valve can be effectively improved.

The number of the reinforcing ribs 11 is at least one, and the thickness of each reinforcing rib 11 is 0.2-0.3 mm. Can further improve the sealed effect to the medium between sealing washer 7 and the valve seat 3 when valve seat 3 and valve body 1 pass through bolt 13 fastening, prevent that the medium of strong infiltration power from oozing, reduce the probability of the emergence of medium seepage problem.

The valve body 1 and the valve seat 3 are connected and fastened through a bolt 13. And inner liners 12 coated on end faces of two ends are arranged in the valve body 1 and the valve seat 3, and the inner liners 12 are made of polyvinyl fluoride. Can effectively reduce the corrosive medium and to the corrosion damage of ball valve, extension ball valve life.

When the valve works, the valve rod is rotated, so that the spherical cavity 2 is rotated to enable the liquid inlet of the spherical cavity 2 to be communicated with the medium channel 4, gas or liquid is communicated and flows, the end, connected with the valve seat 3, of the valve body 1 is internally provided with the annular step 5, the step 5 is internally provided with the filter screen pipe 6 and the elastic sealing ring 7 in sequence, the filter screen pipe 6 is internally provided with the filter screen 8, impurities contained in the pipeline can be filtered through the filter screen pipe 6, when liquid containing impurities flows through the ball valve, the occurrence of pipeline blockage or ball valve blockage is reduced, the service life and the safety performance of the ball valve are improved, the filtered medium flows into the spherical cavity 2, the strong permeability medium can be further prevented from seeping through the reinforcing ribs arranged on the sealing ring 7, when the ball valve is further sealed and closed, the handle is screwed to drive the spherical cavity to rotate, the liquid through hole of the spherical cavity is staggered with the medium channel, and the opening and closing state switching of the medium channel is realized.

Claims

1. The utility model provides a soft sealing prevents blockking up lining fluorine ball valve, is in including valve body (1), setting spherical chamber (2) in valve body (1), can dismantle disk seat (3) of being connected with valve body (1), all be equipped with medium passageway (4) of mutual intercommunication in valve body (1), spherical chamber (2) and disk seat (3), its characterized in that: be equipped with annular step (5) in the one end that valve body (1) and disk seat (3) are connected, be equipped with filter screen pipe (6) and elastic sealing circle (7) in proper order in step (5), be equipped with filter screen (8) in filter screen pipe (6), the one end that disk seat (3) and valve body (1) are connected is equipped with and cooperatees and can support annular boss (9) of tight sealing circle (7) with step (5).

2. The soft seal anti-clogging fluorine-lined ball valve according to claim 1, wherein: the filter screen pipe (6) is clamped in the step (5) and tightly abutted to the bottom surface of the step (5), and the filter screen (8) is embedded in the filter screen pipe (6).

3. A soft seal anti-clogging fluorine-lined ball valve according to claim 1 or 2, wherein: the filter screen (8) is at least two layers, and the aperture of the filter screen (8) is reduced layer by layer along the water inlet direction.

4. The soft-seal anti-clogging fluorine-lined ball valve according to claim 3, wherein: two layers of filter screens (8) are arranged in the filter screen pipe (6), and a filter element (10) is arranged between the filter screens.

5. The soft seal anti-clogging fluorine-lined ball valve according to claim 1, wherein: the filter screen pipe (6) and the filter screen (8) are made of high-strength alloy, and the surfaces of the filter screen pipe and the filter screen are provided with tetrafluoro linings.

6. The soft seal anti-clogging fluorine-lined ball valve according to claim 1, wherein: the sealing ring (7) is embedded in the step (5) and attached to the pipe orifice of the filter screen pipe (6), and the surface of the sealing ring (7) is provided with an elastic annular reinforcing rib (11).

7. The soft-seal anti-clogging fluorine-lined ball valve according to claim 6, wherein: the number of the reinforcing ribs (11) is at least one, and the thickness of each reinforcing rib (11) is 0.2-0.3 mm.

8. The soft seal anti-clogging fluorine-lined ball valve according to claim 1, wherein: the inner liner (12) coated on the end faces of the two ends is arranged in the valve body (1) and the valve seat (3), and the inner liner (12) is made of polyvinyl fluoride.

9. The soft seal anti-clogging fluorine-lined ball valve according to claim 1, wherein: the valve body (1) and the valve seat (3) are connected and fastened through a bolt (13).