Anti-blocking sealing type ball valve

Abstract

The utility model discloses an anti-blocking sealing type ball valve, which belongs to the field of hardware fittings, comprises a valve body in which a movably connected ball head is arranged, and is characterized in that a mounting barrel is arranged on the pipe wall of the valve body, faces the inner opening of the valve body and is mounted in the vertical direction of an inlet and an outlet of the valve body; a first movable rod is movably arranged in the valve body, a pushing disc is arranged at the end, close to the ball head, of the first movable rod, a fixedly-connected positioning disc is arranged on the first movable rod, evenly-distributed elastic rods are arranged on the annular side wall of the positioning disc, arc-shaped scraping plates are arranged at the tops of the elastic rods, and a collecting pipe is arranged on the pipe wall of the valve body. And the central position of the pipe inlet of the collecting pipe is opposite to the central position of the opening of the mounting barrel. The situation that when the ball valve conveys a high-viscosity medium, the medium is condensed in the ball head to cause blockage after the ball valve is closed is effectively avoided, and normal on-off of the ball valve can be achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of hardware fittings, specifically to a kind of anti-blocking sealing type ball valve. BACKGROUND

[0002] Ball valve is a new type of valve, with simple structure, reliable sealing, light operation, strong corrosion resistance, small fluid resistance and other advantages, so it has excellent application performance in various media and working conditions. Ball valve is widely used in various fields.

[0003] Among them, the ball in the ball valve is driven by the valve stem and rotates around the axis of the ball valve, thereby playing the role of cutting off, connecting, distributing or changing the flow direction of the valve.

[0004] In various systems such as petroleum, chemical industry, pharmacy and metallurgy, the ball valve often transports some high-viscosity medium. During the transportation process, the ball valve works normally, but during the 90-degree rotation of the ball valve around the valve stem to close, some high-viscosity materials will remain in the ball valve. At room temperature, these high-viscosity materials will solidify, causing the ball valve to be blocked after forming and affecting the normal on-off of the ball valve. UTILITY MODEL CONTENT

[0005] The utility model aims to provide a kind of anti-blocking sealing type ball valve, effectively solve the problem that high-viscosity medium will be blocked in ball head when closing ball valve when ball valve transports high-viscosity medium in various systems such as petroleum, chemical industry, pharmacy and metallurgy.

[0006] The technical scheme of the utility model is as follows:

[0007] A kind of anti-blocking sealing type ball valve, including valve body, the valve body is equipped with movably connected ball head, characterized by, the valve body pipe wall is equipped with installation barrel, the installation barrel is opened towards the valve body interior and is installed in the perpendicular direction of the valve body inlet and outlet, the valve body interior is movably equipped with movable rod one, the movable rod one is equipped with push plate on the end close to the ball head, the movable rod one is equipped with fixedly connected positioning disc, the annular side wall of the positioning disc is equipped with evenly distributed elastic rod, the top of elastic rod is equipped with arc-shaped scraper, the valve body pipe wall is equipped with collection pipe, the center position of the inlet pipe of the collection pipe and the opening center position of the installation barrel are opposite to each other.

[0008] Further, the vertical section of the collection pipe is inverted L-shaped, the opening size of the collection pipe and the opening size of the installation barrel are the same, the pipe opening bottom of the collection pipe is equipped with matched connection sealing disc.

[0009] Further, the end face of the installation barrel and the collecting pipe extending into the valve body interior matches the outer surface of the ball head, and a sealing element is arranged between the outer wall of the installation barrel and the collecting pipe and the valve body.

[0010] Further, the interior of the installation barrel is provided with a movable rod two, the movable rod one penetrates the movable rod two, the length of the movable rod one is greater than the length of the movable rod two, the end of the movable rod two close to the push disc is provided with a baffle disc, the outer wall of the baffle disc is provided with a sealing ring, and the outer wall diameter of the sealing ring is greater than the diameter of the feed inlet of the ball head.

[0011] Further, the number of the arc-shaped scrapers is not less than two, and the top surface of the arc-shaped scraper matches the interior surface of the ball head.

[0012] Further, the vertical section of the push disc is conical, and the small end surface of the conical push disc faces the direction of the collecting pipe.

[0013] Further, the rear foam layer is formed between the interior of the valve body and the outer wall of the ball head.

[0014] The utility model discloses the advantages are:

[0015] 1. The utility model discloses a valve body is provided with the installation barrel, and the interior of installation barrel has movable movable rod one, and the telescopic arc-shaped scraper is arranged on movable rod one, when the ball head is closed, through the push movable rod one, and the arc-shaped scraper enters the ball head interior, and the push disc can push the medium that condenses in the ball head interior to the collecting pipe, and the arc-shaped scraper is pasted on the inner wall of the ball head, and the medium that sticks on the wall is scraped together and is removed, thereby avoid the medium of high viscosity condensation in the ball head interior, cause the situation of unable circulation again, make the ball valve can realize the work normally.

[0016] 2. The utility model discloses a movable rod two is arranged in the installation barrel, and the end of movable rod two has the baffle disc, when the arc-shaped scraper moves to the ball head interior, simultaneously pushes movable rod two forward, and the baffle disc is pasted at the ball head feed inlet, when pushing the medium, the medium will not flow into the installation barrel, guarantees being pushed to the collecting pipe, when the arc-shaped scraper moves back, a part of medium will enter the installation barrel, can make the medium also be blocked by the baffle disc, when the installation barrel is disassembled, the medium in the installation barrel is poured out conveniently.

[0017] 3. The utility model discloses a valve body is provided with the collecting pipe, and the medium of high viscosity can be pushed to the collecting pipe, and the collecting pipe is inverted L shape, and the medium can better fall to the bottom of the collecting pipe, and the medium can be taken out from the collecting pipe through the sealing disc, and the pushed medium is collected conveniently.

[0018] 4. The utility model discloses a valve body and the ball head between setting foam layer, make the ball head in the process of rotating closing or opening, fluid is blocked by foam layer, will not enter between valve body and ball head, increased the leakproofness between valve body and ball head. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the whole structure schematic diagram of the utility model;

[0020] Figure 2 It is the arc-shaped scraper not entering the internal structure schematic diagram of ball head of the utility model;

[0021] Figure 3 It is the arc-shaped scraper entering the internal structure schematic diagram of ball head of the utility model;

[0022] Figure 4 It is the structure schematic diagram of the blocking disc and other components of the utility model;

[0023] Figure 5 It is the structure schematic diagram of the valve body and ball head and other components of the utility model.

[0024] Fig. 1, valve body;2, ball head;3, installation bucket;4, movable rod one;5, push disc;6, positioning disc;7, elastic rod;8, arc-shaped scraper;9, collection pipe;10, sealing disc;11, sealing element;12, movable rod two;13, blocking disc;14, sealing ring;15, foam layer. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be apparently and completely described below with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0026] As Figures 1 to 5 Indicated, the utility model provides a kind of anti-blocking sealed ball valve, wherein, including valve body 1, the ball head 2 of movable connection is equipped in the valve body 1, it is characterized in that, installation bucket 3 is equipped on the valve body 1 pipe wall, the installation bucket 3 is towards the valve body 1 inside opening and is installed in the perpendicular direction on the valve body 1 import and export.

[0027] Movable rod one 4 is movably equipped in valve body 1, and the end of movable rod one 4 close to ball head 2 is equipped with push disc 5, push disc 5 is fixedly connected at the end of movable rod one 4, and the vertical section of push disc 5 is conical, and the conical small end surface of push disc 5 is towards the direction of collection pipe 9, push disc 5 can enter into the inside of ball head 2, and the design of conical can better push medium to move in the direction of collection pipe 9, reduce the resistance when push disc 5 pushes medium.

[0028] The movable rod one 4 is provided with a fixedly connected positioning disc 6, the annular side wall of the positioning disc 6 is provided with uniformly distributed elastic rods 7, the elastic rods 7 are provided with telescopic springs, so that the arc-shaped scrapers 8 can realize upward and downward movement, when the inside of the ball head 2 does not need to be cleaned, the elastic rods 7 are in a compressed state, and the arc-shaped scrapers 8 are located inside the installation barrel 3, when cleaning is needed, when the arc-shaped scrapers 8 enter the inside of the ball head 2, the elastic rods 7 reset, so that the arc-shaped scrapers 8 are attached to the inner wall of the ball head 2.

[0029] The top of the elastic rod 7 is provided with the arc-shaped scraper 8, the arc-shaped scraper 8 and the elastic rod 7 are fixedly connected, the number of the arc-shaped scrapers 8 is not less than two, and the top surface of the arc-shaped scraper 8 is attached to the inner surface of the ball head 2, so that when the arc-shaped scraper 8 enters the inside of the ball head 2, the arc-shaped scraper 8 can be attached to the inside of the ball head 2, the medium adhered to the inner wall of the ball head 2 is scraped off, so that the medium cannot be adhered to the inner wall of the ball head 2.

[0030] The valve body 1 is provided with a collecting pipe 9, the collecting pipe 9 is connected to the valve body 1 in a threaded manner, the vertical section of the collecting pipe 9 is an inverted L shape, the center of the pipe opening of the collecting pipe 9 is opposite to the center of the opening of the installation barrel 3, the pushing disc 5 is located at the center of the inside of the installation barrel 3, through the opposite arrangement, the pushing disc 5 can easily push the medium into the collecting pipe 9, so as to avoid the medium from being solidified and blocked in the ball head 2

[0031] The bottom of the pipe opening of the collecting pipe 9 is provided with a cooperatively connected sealing disc 10, the sealing disc 10 and the collecting pipe 9 are movably connected, when the medium is completely pushed into the collecting pipe 9, the medium can fall from the collecting pipe 9 by opening the sealing disc 10, so as to facilitate the collection of the medium.

[0032] The end surface of the installation barrel 3 and the collecting pipe 9 extending into the inside of the valve body 1 is matched with the outer surface of the ball head 2, the outer wall of the installation barrel 3 and the collecting pipe 9 is provided with a sealing element 11 between the valve body 1, and the sealing element 11 can improve the sealing performance between the valve body 1.

[0033] The inside of the installation barrel 3 is provided with a movable rod two 12, the movable rod one 4 penetrates the movable rod two 12 and is slidably connected therebetween, and the movable rod one 4 can rotate in the movable rod two 12, the length of the movable rod one 4 is greater than the length of the movable rod two 12, so that after the blocking disc 13 on the movable rod two 12 is pushed to be attached to the ball head 2, the movable rod one 4 can still be pushed, so that the pushing disc 5 and the arc-shaped scraper 8 enter the inside of the ball head 2.

[0034] The end of the movable rod two 12 close to the pushing disc 5 is provided with a blocking disc 13, and the outer wall of the blocking disc 13 is provided with a sealing ring 14, the outer wall diameter of the sealing ring 14 is greater than the diameter of the feeding port of the ball head 2, so that when the arc-shaped scraper 8 pushes the medium to the collecting pipe 9, the feeding port of the ball head 2 is blocked by the blocking disc 13 and the sealing ring 14, and the medium cannot enter the installation barrel 3.

[0035] The rear foam layer 15 is formed between the inner valve body 1 and the outer wall of the ball head 2, and the foam layer 15 is arranged, so that the foam layer 15 can block the medium from entering the space between the ball head 2 and the valve body 1 during opening and closing.

[0036] The detailed use method and effect of the above embodiment are as follows:

[0037] When the ball head 2 rotates to close in the inner valve body 1, the inlet and outlet of the ball head 2 are opposite to the installation barrel 3 and the collecting pipe 9, at this time, the movable rod two 12 moves in the installation barrel 3, the blocking disc 13 at the end of the movable rod two 12 is attached to the ball head 2, the movable rod one 4 is pushed, and the pushing disc 5 at the end enters the inner ball head 2 to push the medium in the inner ball head 2, and after the arc-shaped scraper 8 enters the inner ball head 2 from the installation barrel 3, the elastic rod 7 is reset, the arc-shaped scraper 8 is attached to the inner wall of the ball head 2, and the arc-shaped scraper 8 and the pushing disc 5 cooperate to push the medium out of the inner ball head 2 and into the collecting pipe 9.

[0038] The movable rod one 4 and the movable rod two are moved backward, at this time, the arc-shaped scraper 8 is still attached to the inner wall of the ball head 2 and pushes the remaining medium backward, when the arc-shaped scraper 8 enters the installation barrel 3, a small part of the medium is brought into the installation barrel 3, the arc-shaped scraper 8 is rotated to enter the ball head 2 again, and the medium is pushed into the collecting pipe 9, and the medium is sent into the collecting pipe 9 through back-and-forth movement, when the cleaning is completed, the medium can be collected by dismounting the installation barrel 3 and the sealing disc 10 connected with the collecting pipe 9.

[0039] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A non-clogging sealing type ball valve comprising a valve body (1) in which a ball head (2) is movably connected, characterized in that, The valve body (1) pipe wall is equipped with an installation barrel (3), which is open to the inside of the valve body (1) and is installed in the vertical direction of the inlet and outlet of the valve body (1). The inside of the valve body (1) is movably provided with a movable rod one (4), one end of which is provided with a push plate (5) near the ball head (2). The movable rod one (4) is provided with a fixedly connected positioning disc (6). The annular side wall of the positioning disc (6) is equipped with evenly distributed elastic rods (7), the top of which is provided with an arc-shaped scraper (8). The valve body (1) pipe wall is equipped with a collecting pipe (9), the center of the inlet pipe of which is opposite to the opening center of the installation barrel (3).

2. The anti-jamming seal-type ball valve according to claim 1, characterized in that, The vertical section of the collecting pipe (9) is inverted L-shaped, the opening size of the collecting pipe (9) is the same as that of the installation barrel (3), and the bottom of the pipe opening of the collecting pipe (9) is provided with a matched sealing disc (10).

3. The anti-jamming seal-type ball valve according to claim 2, characterized in that, The end face of the installation barrel (3) and the collecting pipe (9) extending into the inside of the valve body (1) is matched with the outer surface of the ball head (2), and a sealing element (11) is arranged between the outer wall of the installation barrel (3) and the collecting pipe (9) and the valve body (1).

4. The anti-jamming seal-type ball valve according to claim 1, characterized in that, The inside of the installation barrel (3) is provided with a movable rod two (12), the movable rod one (4) penetrates the movable rod two (12), and the length of the movable rod one (4) is greater than that of the movable rod two (12). One end of the movable rod two (12) near the push plate (5) is provided with a baffle plate (13), the outer wall of the baffle plate (13) is provided with a sealing ring (14), and the outer wall diameter of the sealing ring (14) is greater than the diameter of the feed inlet of the ball head (2).

5. The anti-jamming seal-type ball valve according to claim 1, characterized in that, The number of the arc-shaped scrapers (8) is not less than two, and the top surface of the arc-shaped scraper (8) is attached to the inner surface of the ball head (2).

6. The anti-jamming seal-type ball valve according to claim 2, characterized in that, The vertical section of the push plate (5) is conical, and the small end surface of the push plate (5) is directed towards the collecting pipe (9).

7. The anti-jamming seal-type ball valve according to claim 1, characterized in that, The inside of the valve body (1) and the outer wall of the ball head (2) form a rear foam layer (15).

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