Flange type plastic ball valve

Abstract

The utility model relates to the technical field of ball valves, in particular to a flange type plastic ball valve which comprises a plastic ball valve body and a communicating pipeline, telescopic pipes are movably connected to the two ends of the plastic ball valve body, and first flange plates are connected to the outer sides of the ends, away from each other, of the two telescopic pipes in a sleeved mode. The outer side of the communicating pipeline is sleeved with a first flange plate, the outer side of the communicating pipeline is sleeved with a second flange plate, the first flange plate is matched with the second flange plate, the outer side of one end of the communicating pipeline is fixedly connected with four positioning blocks, one end of each positioning block is fixedly connected with a hook plate, and a limiting groove is formed between each hook plate and the corresponding positioning block; and the limiting grooves are used for allowing the limiting blocks to slide in, the number of the limiting blocks is four, and the four limiting blocks are fixedly connected to the outer side of the filter screen plate. The filter screen plate is mounted on the end face of the communicating pipeline, so that impurities in water flow can be intercepted by the filter screen plate when the communicating pipeline is connected with the plastic ball valve, and a valve element of the plastic ball valve is protected.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball valve technical field, concretely relates to a flange type plastic ball valve. BACKGROUND

[0002] Plastic ball valve is a kind of valve widely used in fluid control system, its main features include corrosion resistance, lightweight, low cost and good sealing performance, plastic ball valve controls the flow of fluid by rotating the ball with hole.When the through hole of the ball is parallel with the pipeline axis, fluid can pass freely, and when the ball is rotated 90 degrees, the through hole is perpendicular to the pipeline axis, and the fluid is completely blocked.

[0003] The existing plastic ball valve lacks filtering of water quality in the pipeline when connected with the pipeline, which can cause impurities to be stuck in the ball valve, causing the ball valve to malfunction or even damage, and the filtering equipment is not convenient to install, therefore a flange type plastic ball valve is proposed, which can install filtering equipment in the connection of plastic ball valve and pipeline to filter impurities in water quality, and the filtering equipment is convenient and fast to install. UTILITY MODEL CONTENTS

[0004] In view of the problems in the prior art, the utility model provides a flange type plastic ball valve, which can install filtering equipment in the connection of plastic ball valve and pipeline to filter impurities in water quality, and the filtering equipment is convenient and fast to install.

[0005] The utility model solves the technical problems by adopting the technical scheme of a flange type plastic ball valve, which comprises a plastic ball valve body and a communication pipeline, both ends of the plastic ball valve body are movably connected with telescopic pipes, the outer sides of the distal ends of the two telescopic pipes are sleeved with first flanges, the outer side of the communication pipeline is sleeved with a second flange, the first flange is matched with the second flange.

[0006] The outer side of one end of the communication pipeline is fixedly connected with positioning blocks, the positioning blocks are provided with four, the outer sides of the positioning blocks are fixedly connected with hook plates, the hook plates and the positioning blocks are provided with limiting grooves, the limiting grooves are used for sliding the limiting blocks, the limiting blocks are provided with four, the limiting blocks are fixedly connected to the outer side of the filter screen plate, and the filter screen plate is installed at one end of the communication pipeline.

[0007] By adopting the above technical scheme, the filter screen plate can intercept impurities in water flow when the communication pipeline and the plastic ball valve are connected, so as to protect the valve core of the plastic ball valve, and the installation of the filter screen plate is relatively convenient, only need to rotate the filter screen plate to make the limiting block clamped into the limiting groove to realize the installation of the filter screen plate.

[0008] Specific, the one end of the communication pipeline is provided with a ring groove, the ring groove is used for installing ring insertion, the ring is fixedly connected to one side of the filter screen plate.

[0009] Through the above technical scheme, the ring is inserted into the ring groove, so that the connection between the filter screen plate and the communication pipeline is more stable.

[0010] Specific, the one end of the communication pipeline is provided with a ring groove, the ring groove is used for installing ring insertion, the ring is fixedly connected to one side of the filter screen plate.

[0011] Through the above technical scheme, the ring is inserted into the ring groove, so that the connection between the filter screen plate and the communication pipeline is more stable.

[0012] Specific, the one end of the communication pipeline is provided with a ring groove, the ring groove is used for installing ring insertion, the ring is fixedly connected to one side of the filter screen plate.

[0013] Specific, the one end of the communication pipeline is provided with a ring groove, the ring groove is used for installing ring insertion, the ring is fixedly connected to one side of the filter screen plate.

[0014] Through the above technical scheme, the ring is inserted into the ring groove, so that the connection between the filter screen plate and the communication pipeline is more stable.

[0015] Specific, the one end of the communication pipeline is provided with a ring groove, the ring groove is used for installing ring insertion, the ring is fixedly connected to one side of the filter screen plate.

[0016] Through the above technical scheme, the ring is inserted into the ring groove, so that the connection between the filter screen plate and the communication pipeline is more stable.

[0017] The beneficial effects of the utility model are as follows:

[0018] The utility model discloses a flange type plastic ball valve, installs filter screen plate through the end face of communication pipeline can be in the communication pipeline and plastic ball valve connection, filter screen plate can intercept the impurity in water flow, thereby protecting the valve core of plastic ball valve, and the installation of filter screen plate is convenient, only need to rotate filter screen plate and make limit block card into limit slot can realize the installation of filter screen plate. DRAWINGS

[0019] The utility model is further explained in connection with the drawings and examples.

[0020] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0021] Figure 2 This is a schematic diagram of the connecting pipe structure of this utility model;

[0022] Figure 3 This is a schematic diagram of the limiting groove structure of this utility model;

[0023] Figure 4 This is a schematic diagram of the filter screen structure of this utility model;

[0024] In the diagram: 1. Plastic ball valve body; 2. First flange; 3. Positioning groove; 4. Mounting groove; 5. Sealing groove; 6. Base plate; 7. Threaded nail; 8. Connecting pipe; 9. Second flange; 10. Positioning block; 11. Sealing ring; 12. Hook plate; 13. Filter screen; 14. Limiting groove; 15. Ring groove; 16. Limiting block; 17. Insert ring; 18. Telescopic pipe. Detailed Implementation

[0025] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0026] To facilitate the installation of filtration equipment in plastic ball valves and pipe connections, thereby filtering impurities in the water, and to ensure convenient and quick installation of the filtration equipment, as one embodiment of this utility model, such as... Figures 1-4 As shown, the present invention provides a flanged plastic ball valve, comprising a plastic ball valve body 1 and a connecting pipe 8. Both ends of the plastic ball valve body 1 are movably connected to telescopic pipes 18. A first flange 2 is sleeved on the outer side of the two telescopic pipes 18 that are far apart from each other. A second flange 9 is sleeved on the outer side of the connecting pipe 8. The first flange 2 and the second flange 9 are adapted to each other.

[0027] A positioning block 10 is fixedly connected to the outer side of one end of the connecting pipe 8. There are four positioning blocks 10. A hook plate 12 is fixedly connected to one end of each of the four positioning blocks 10. A limiting groove 14 is provided between the hook plate 12 and the positioning block 10. The limiting groove 14 is used for the limiting block 16 to slide into. There are four limiting blocks 16. The four limiting blocks 16 are fixedly connected to the outer side of the filter screen plate 13. The filter screen plate 13 is installed at one end of the connecting pipe 8.

[0028] In use, the filter screen plate 13 is installed on the end face of the communication pipe 8, and is limited and installed by sliding the limiting block 16 into the limiting groove 14, so that the filter screen plate 13 can be limited on the end face of the communication pipe 8, the communication pipe 8 is inserted into the telescopic pipe 18, the first flange plate 2 and the second flange plate 9 are butt-jointed, and the first flange plate 2 and the second flange plate 9 are fixedly connected by bolts, so that the filter screen plate 13 can filter the water flow flowing into the plastic ball valve body 1 from the communication pipe 8, so as to protect the valve core of the plastic ball valve body 1.

[0029] It should be noted that the inside of the telescopic pipe 18 is in communication with the inside of the plastic ball valve body 1, and the telescopic pipe 18 can be stretched out of a certain length from both ends of the plastic ball valve body 1, but the stretching length is limited due to the limiting structure. The telescopic pipe 18 is arranged to be retracted when the communication pipe 8 is disassembled, so that the communication pipe 8 can be pulled out conveniently. When the filter screen plate 13 is disassembled, the filter screen plate 13 can be pulled out from the end face of the communication pipe 8 by rotating the filter screen plate 13 to make the limiting block 16 slide out of the limiting groove 14.

[0030] The novel use further comprises that one end of the communication pipe 8 is provided with a ring groove 15, the ring groove 15 is used for inserting and mounting the ring 17, and the ring 17 is fixedly connected to one side of the filter screen plate 13.

[0031] In use, the ring 17 inserted into the ring groove 15 can make the connection between the filter screen plate 13 and the communication pipe 8 more stable.

[0032] The novel use further comprises that one end of the communication pipe 8 is provided with a ring groove 15, the ring groove 15 is used for inserting and mounting the ring 17, and the ring 17 is fixedly connected to one side of the filter screen plate 13.

[0033] In use, the sealing ring 11 can enhance the sealing performance of the communication pipe 8 and the telescopic pipe 18.

[0034] The novel use further comprises that one end of the communication pipe 8 is provided with a ring groove 15, the ring groove 15 is used for inserting and mounting the ring 17, and the ring 17 is fixedly connected to one side of the filter screen plate 13.

[0035] The novel use further comprises that one end of the communication pipe 8 is provided with a ring groove 15, the ring groove 15 is used for inserting and mounting the ring 17, and the ring 17 is fixedly connected to one side of the filter screen plate 13.

[0036] In use, one end of the communication pipe 8 provided with the filter screen plate 13 is inserted into the installation slot 4 of the telescopic pipe 18, the positioning blocks 10 need to be aligned with the positioning slots 3, so that the positioning blocks 10 can be inserted into the positioning slots 3, when the positioning blocks 10 are all inserted into the positioning slots 3, the sealing ring 11 can be clamped into the sealing slot 5, and the first flange plate 2 is butted against the second flange plate 9.

[0037] The utility model still includes, the bottom of first flange plate 2 with bottom plate 6's top fixed connection, bottom plate 6 is used for the threaded peg 7 installation passes through, threaded peg 7 is equipped with a plurality of.

[0038] In use, the plastic ball valve body 1 can be fixedly installed by the threaded peg 7 passing through the bottom plate 6 and the ground or fixed installation plate and the like.

[0039] In use, the utility model first installs the filter screen plate 13 on the one end surface of the communication pipe 8, first inserts the ring 17 into the ring groove 15, and the limiting blocks 16 need to be staggered with the positioning blocks 10, otherwise the ring 17 cannot be inserted into the ring groove 15, when the ring 17 is all inserted into the ring groove 15, rotate the filter screen plate 13 so that the limiting blocks 16 can slide into the limiting slots 14, so that the hook plate 12 limits the limiting blocks 16, thereby limiting the installation of the filter screen plate 13, so that the filter screen plate 13 cannot be pulled out from one end of the communication pipe 8, then stretch the telescopic pipe 18 at both ends of the plastic ball valve body 1, insert one end of the communication pipe 8 provided with the filter screen plate 13 into the installation slot 4 of the telescopic pipe 18, the positioning blocks 10 need to be aligned with the positioning slots 3, so that the positioning blocks 10 can be inserted into the positioning slots 3, when the positioning blocks 10 are all inserted into the positioning slots 3, the sealing ring 11 can be clamped into the sealing slot 5, and the first flange plate 2 is butted against the second flange plate 9, the first flange plate 2 and the second flange plate 9 are fixedly connected by bolts, so that the filter screen plate 13 can filter the water flow flowing into the plastic ball valve body 1 from the communication pipe 8, so as to protect the valve core of the plastic ball valve body 1, and the communication pipe 8 can be pulled out from the plastic ball valve body 1 regularly to clean or replace the filter screen plate 13.

[0040] The basic principle, main features and advantages of the utility model are shown and described above. Those skilled in the art should understand that the utility model is not limited to the above-mentioned embodiments, and the above-mentioned embodiments and the description in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A flanged plastic ball valve comprising a plastic ball valve body (1) and a communication conduit (8), characterized in that, Both ends of the plastic ball valve body (1) are movably connected with telescopic pipes (18), the outer sides of the mutually distant ends of the two telescopic pipes (18) are sleeved with first flanges (2), the outer side of the communication pipeline (8) is sleeved with a second flange (9), the first flange (2) is matched with the second flange (9). One end of the communication pipeline (8) is fixedly connected with positioning blocks (10), the positioning blocks (10) are provided with four, one end of the four positioning blocks (10) is fixedly connected with hook plates (12), the hook plates (12) and the positioning blocks (10) are provided with limiting grooves (14), the limiting grooves (14) are used for sliding the limiting blocks (16) in, the limiting blocks (16) are provided with four, the four limiting blocks (16) are fixedly connected to the outer side of the filter screen plate (13), and the filter screen plate (13) is installed at one end of the communication pipeline (8).

2. A flanged plastic ball valve according to claim 1, characterized in that One end of the communication pipeline (8) is provided with a ring groove (15), the ring groove (15) is used for installing and inserting the ring (17), and the ring (17) is fixedly connected to one side of the filter screen plate (13).

3. A flanged plastic ball valve according to claim 1, wherein The ends of the four positioning blocks (10) away from the hook plates (12) are fixedly connected to one side of the sealing ring (11), and the side of the sealing ring (11) away from the positioning blocks (10) is fixedly connected to one side of the second flange (9).

4. A flanged plastic ball valve according to claim 1, wherein The mutually distant ends of the two telescopic pipes (18) are provided with mounting grooves (4), the mounting grooves (4) are used for mounting and inserting one end of the communication pipeline (8), and the mutually distant ends of the two telescopic pipes (18) are provided with positioning grooves (3), the positioning grooves (3) are provided with four, and the four positioning grooves (3) are used for mounting and inserting the four positioning blocks (10).

5. A flanged plastic ball valve according to claim 1, wherein The connecting position of the telescopic pipe (18) and the first flange (2) is provided with a sealing groove (5), and the sealing groove (5) is used for sealingly mounting the sealing ring (11).

6. A flanged plastic ball valve according to claim 1, wherein The bottom end of the first flange (2) is fixedly connected with the top end of the bottom plate (6), the bottom plate (6) is used for mounting the threaded nails (7) to pass through, and the threaded nails (7) are provided with a plurality of.

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