Split type floating ball valve

Abstract

The utility model relates to the technical field of ball valves, in particular to a split type floating ball valve which comprises a ball valve piece, the inner wall of the ball valve piece is fixedly connected with the outer wall of a valve element piece, the inner wall of the valve element piece is movably connected with the outer wall of an adjusting piece in an inserted mode, and the outer wall of the waist portion of the adjusting piece is movably connected with the inner wall of a sealing piece in a sleeved mode. The sealing piece comprises a gland, a pressing ring, padding, a gasket, a screw hole and two inserting holes, the inner side wall of the sealing piece is in threaded connection with the outer side wall of the top end of the ball valve piece, the valve rod and the floating valve ball are in transmission connection through an inserting block, so that the ball valve is more convenient to maintain and replace parts, limitation of a limiting block to a limiting ring is eliminated by rotating a stud, and the sealing piece is more stable. The valve rod can be taken down by rotating the gland after being taken out, so that the filler can be conveniently repaired after the valve is used for a long time, the whole valve does not need to be replaced, related parts can be more conveniently disassembled and assembled when parts need to be maintained and replaced, and the maintenance cost and time are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball valve technical field, concretely is split type floating ball valve. BACKGROUND

[0002] The design concept of floating ball valve originates from the demand for efficient and reliable fluid control solutions. With the continuous progress of industrial technology, floating ball valves gradually evolve from traditional monolithic structures to split structures to adapt to more complex and harsh working environments. The emergence of split type floating ball valve not only improves the maintainability and replaceability of the valve, but also further enhances its adaptability and durability.

[0003] Most of the split type floating ball valves on the market are more complex in assembly and connection due to their split structure, which leads to the need for more professional technology and tools during installation, maintenance and replacement of parts, thereby increasing the operation difficulty and cost. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing split type floating ball valve to solve the problem of more complex assembly and connection of most split type floating ball valves due to their split structure in the above background technology. To achieve the above purpose, the utility model provides the following technical scheme: split type floating ball valve, including ball valve piece, the inner wall of ball valve piece and the outer wall of valve core piece are fixedly connected, the inner wall of valve core piece and the outer wall of adjusting piece are movably inserted, the outer wall of adjusting piece waist and the inner wall of sealing piece are movably sleeved, and the sealing piece includes gland, pressure ring, packing, gasket, screw hole and two insertion holes.

[0005] The inner side wall of the sealing piece is threadedly connected with the outer side wall of the top end of the ball valve piece, the inner wall of the sealing piece is threadedly connected with the outer wall of the limiting piece, the inner wall of the limiting piece is fixedly welded with the outer wall of the adjusting piece close to the sealing piece, and the limiting piece is composed of a stud, a limiting block, a limiting ring and a bolt.

[0006] Preferably, the ball valve piece is composed of a valve body, a flange plate, a square groove and a sealing groove, the two sides of the valve body are fixedly welded with one side of the flange plate, the inner wall of the center of the valve body is provided with a square groove, and the top of the square groove is provided with a sealing groove.

[0007] Preferably, the valve core piece includes a floating valve ball, a flow-through cavity, a groove, a sealing ring, a left valve seat and a right valve seat, the front and back surfaces of the floating valve ball are provided with a through flow-through cavity, the top of the floating valve ball is provided with a groove, the outer walls of the two sides of the floating valve ball are movably abutted with the inner walls of the sealing rings, the outer walls of the sealing rings are fixedly connected with the inner walls of the left valve seat and the right valve seat respectively, and the outer walls of the left valve seat and the right valve seat are fixedly connected with the inner wall of the square groove.

[0008] Preferably, the adjusting member is composed of a dial, a valve rod and an insert block, the bottom of the dial is fixedly connected with the top end of the valve rod, the bottom end of the valve rod is fixedly connected with the top of the insert block, and the outer wall of the insert block is movably inserted with the inner wall of the groove.

[0009] Preferably, the inner top wall of the gland is movably abutted with the top of the compression ring, the bottom of the compression ring is fixedly connected with the top of the filler, the bottom of the filler is fixedly connected with the top of the gasket, the top of the gland close to the back surface is provided with a threaded hole, the top of the gland close to the front surface and the left side is provided with an insert hole, the outer side walls of the compression ring, the filler and the gasket are fixedly connected with the inner side walls of the sealing grooves, the inner walls of the compression ring, the filler and the gasket are movably sleeved with the outer wall of the valve rod waist, and the inner side wall of the gland is screw-connected with the outer side wall of the valve body top end.

[0010] Preferably, the top end of the screw column is fixedly welded with the bottom of the limiting block close to the back surface, the bottom of the limiting block close to the front surface is movably abutted with the top of the limiting ring close to the back surface, the inner wall of the limiting ring close to the front surface is movably inserted with the outer wall of the top end of the plug pin, the outer wall of the bottom end of the plug pin is movably inserted with the inner wall of the insert hole, the outer wall of the screw column is screw-connected with the inner wall of the threaded hole, and the inner wall of the limiting ring is fixedly welded with the outer wall of the valve rod close to the gland.

[0011] Compared with the prior art, the ball valve has the advantages that:

[0012] In the utility model, the valve rod and the floating valve ball are connected through the insert block, so that the ball valve is more convenient to maintain and replace parts, the limiting ring is limited by the limiting block through rotating the screw column, the valve rod is taken out, the gland is rotated, and then the valve rod is taken down, so that the filler can be conveniently repaired after the valve is used for a long time, and the whole valve does not need to be replaced, when the parts need to be maintained and replaced, the related parts can be conveniently disassembled and installed, and the maintenance cost and time are reduced.

[0013] In the utility model, when the valve is closed, the floating valve ball is pushed to the right valve seat and the sealing ring under the action of fluid pressure, so that the floating valve ball is pressed and sealed, when the valve needs to be opened, the plug pin is taken out, the valve rod and the insert block are rotated through rotating the dial, the insert block makes the floating valve ball rotate through the groove, the flow passage is aligned with the passage of the valve body after rotating 90 degrees, the ball valve is in an open state, and the fluid flows smoothly, then the plug pin is inserted into the limiting ring and the insert hole to lock the valve rod, the plug pin makes the valve rod be conveniently locked in the open state, prevents the valve rod from being accidentally rotated, and the limiting block also ensures that the valve rod cannot move up and down in the valve body, so that the stability of the valve is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model;

[0015] Figure 2The utility model discloses a sectional view of the utility model;

[0016] Figure 3 The utility model discloses an exploded view of the utility model;

[0017] Figure 4 The utility model discloses a sectional view of the ball valve piece in the utility model.

[0018] In the drawing: 1, ball valve piece, 101, valve body, 102, flange plate, 103, square groove, 104, sealing groove, 2, valve core piece, 201, floating valve ball, 202, flow-through cavity, 203, recess, 204, sealing ring, 205, left valve seat, 206, right valve seat, 3, adjusting piece, 301, dial, 302, valve rod, 303, plug, 4, sealing piece, 401, gland, 402, pressing ring, 403, packing, 404, gasket, 405, screw hole, 406, jack, 5, limiting piece, 501, stud, 502, limiting block, 503, limiting ring, 504, bolt. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative work belong to the scope of the utility model.

[0020] Please refer to Figures 1 to 4 The utility model provides a technical scheme: split type floating ball valve, including ball valve piece 1, the inner wall of ball valve piece 1 is fixedly connected with the outer wall of valve core piece 2, the inner wall of valve core piece 2 is movably inserted with the outer wall of adjusting piece 3, the outer wall of adjusting piece 3 waist is movably sleeved with the inner wall of sealing piece 4, and sealing piece 4 includes gland 401, pressing ring 402, packing 403, gasket 404, screw hole 405 and two jack holes 406.

[0021] The inner side wall of sealing piece 4 is threadedly connected with the outer side wall of the top end of ball valve piece 1, the inner wall of sealing piece 4 is threadedly connected with the outer wall of limiting piece 5, the inner wall of limiting piece 5 is fixedly welded with the outer wall of adjusting piece 3 close to sealing piece 4, and limiting piece 5 is composed of stud 501, limiting block 502, limiting ring 503 and bolt 504.

[0022] In the embodiment, as Figure 1 , Figure 2 , Figure 3 And Figure 4As shown in the drawings, the ball valve 1 is composed of a valve body 101, a flange plate 102, a square groove 103 and a sealing groove 104, the valve body 101 is fixedly welded with one side of the flange plate 102 on both sides, and the inner wall of the center of the valve body 101 is provided with the square groove 103, the top of the square groove 103 is provided with the sealing groove 104, and the flange plate 102 is used for connecting the pipeline.

[0023] In this embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the valve core 2 includes a floating valve ball 201, a flow-through cavity 202, a groove 203, a sealing ring 204, a left valve seat 205 and a right valve seat 206, the front and back of the floating valve ball 201 are provided with the through flow-through cavity 202, the top of the floating valve ball 201 is provided with the groove 203, the outer walls of the two sides of the floating valve ball 201 are movably abutted with the inner walls of the sealing ring 204, the outer walls of the sealing ring 204 are fixedly connected with the inner walls of the left valve seat 205 and the right valve seat 206, the outer walls of the left valve seat 205 and the right valve seat 206 are fixedly connected with the inner walls of the square groove 103, the floating valve ball 201 can rotate in the valve body 101, the flow-through cavity 202 is used to control the on-off of the fluid, and the sealing ring 204 cooperates with the left valve seat 205 and the right valve seat 206 to ensure the sealing property of the valve.

[0024] In this embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the adjusting part 3 is composed of a dial plate 301, a valve rod 302 and an insertion block 303, the bottom of the dial plate 301 is fixedly connected with the top end of the valve rod 302, the bottom end of the valve rod 302 is fixedly connected with the top of the insertion block 303, and the outer wall of the insertion block 303 is movably inserted with the inner wall of the groove 203.

[0025] In this embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the inner top wall of the gland 401 movably abuts with the top of the compression ring 402, the bottom of the compression ring 402 is fixedly connected with the top of the packing 403, the bottom of the packing 403 is fixedly connected with the top of the gasket 404, the top of the gland 401 close to the back is provided with a screw hole 405, the top of the gland 401 close to the front and the left is provided with an insertion hole 406, the outer side walls of the compression ring 402, the packing 403 and the gasket 404 are fixedly connected with the inner side walls of the sealing groove 104, the inner walls of the compression ring 402, the packing 403 and the gasket 404 movably sleeve the outer wall of the waist of the valve rod 302, and the inner side wall of the gland 401 is threadedly connected with the outer side wall of the top end of the valve body 101, the compression ring 402, the packing 403 and the gasket 404 are tightly matched to ensure the sealing property between the valve rod 302 and the valve body 101.

[0026] In this embodiment, as shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 , the top end of the stud 501 is fixedly welded with the bottom of the limiting block 502 close to the back, and the bottom of the limiting block 502 close to the front is movably abutted with the top of the limiting ring 503 close to the back, the inner wall of the limiting ring 503 close to the front is movably inserted with the outer wall of the top end of the bolt 504, and the outer wall of the bottom end of the bolt 504 is movably inserted with the inner wall of the insertion hole 406, the outer wall of the stud 501 is threadedly connected with the inner wall of the screw hole 405, and the inner wall of the limiting ring 503 is fixedly welded with the outer wall of the valve rod 302 close to the gland 401, the limitation of the limiting block 502 on the limiting ring 503 is cancelled by rotating the stud 501, and the valve rod 302 is taken out and then the gland 401 is rotated to be taken off.

[0027] The use method and advantages of the utility model are as follows:

[0028] As shown in Figure 1 、 Figure 2 、 Figure 3 and Figure 4 Figure 1 Figure 2 Figure 3 Figure 4 , when the valve is closed, the floating valve ball 201 is pushed to the right valve seat 206 and the sealing ring 204 under the action of fluid pressure, so that it is pressed and sealed, when the valve needs to be opened, the bolt 504 is taken out, the valve rod 302 and the plug 303 are rotated by rotating the dial 301, the plug 303 rotates the floating valve ball 201 through the groove 203, the flow passage 202 is aligned with the passage of the valve body 101 after rotating 90 degrees, the ball valve is in an open state, and the fluid flows smoothly, the plug 504 is inserted into the limiting ring 503 and the insertion hole 406 to lock the valve rod 302, the plug 504 enables the valve rod 302 to be conveniently locked in the open state, prevents accidental rotation, and at the same time, the limiting block 502 also ensures that the valve rod 302 cannot move up and down in the valve body 101, thereby increasing the stability of the valve, the valve rod 302 and the floating valve ball 201 are drivingly connected through the plug 303, so that the ball valve is more convenient to maintain and replace parts, the limitation of the limiting block 502 on the limiting ring 503 is cancelled by rotating the stud 501, the valve rod 302 is taken out and then the gland 401 is rotated to be taken off, so that the packing 403 can be conveniently repaired after the valve is used for a long time, and the entire valve does not need to be replaced, when the parts need to be maintained and replaced, the related parts can be more conveniently disassembled and installed, thereby reducing the maintenance cost and time.

[0029] The basic principle, main features and advantages of the present application are shown and described above. The technical personnel in the industry should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only preferred examples of the present application and are not intended to limit 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. Split floating ball valve comprising a ball valve member (1), characterized in that: The inner wall of the ball valve piece (1) is fixedly connected with the outer wall of the valve core piece (2), the inner wall of the valve core piece (2) is movably inserted with the outer wall of the adjusting piece (3), the outer wall of the waist of the adjusting piece (3) is movably sleeved with the inner wall of the sealing piece (4), and the sealing piece (4) comprises a gland (401), a pressing ring (402), a packing (403), a gasket (404), a threaded hole (405) and two insertion holes (406). The inner side wall of the sealing piece (4) is threadedly connected with the outer side wall of the top end of the ball valve piece (1), the inner wall of the sealing piece (4) is threadedly connected with the outer wall of the limiting piece (5), the inner wall of the limiting piece (5) is fixedly welded with the outer wall of the adjusting piece (3) close to the sealing piece (4), and the limiting piece (5) is composed of a stud (501), a limiting block (502), a limiting ring (503) and a bolt (504).

2. The split floating ball valve of claim 1, wherein: The ball valve piece (1) is composed of a valve body (101), a flange plate (102), a square groove (103) and a sealing groove (104), the two sides of the valve body (101) are fixedly welded with one side of the flange plate (102), the inner wall of the center of the valve body (101) is provided with the square groove (103), and the top of the square groove (103) is provided with the sealing groove (104).

3. The split floating ball valve of claim 2, wherein: The valve core piece (2) comprises a floating valve ball (201), a flow-through cavity (202), a groove (203), a sealing ring (204), a left valve seat (205) and a right valve seat (206), the front face and the back face of the floating valve ball (201) are provided with the penetrating flow-through cavity (202), the top of the floating valve ball (201) is provided with the groove (203), the outer walls of the two sides of the floating valve ball (201) are movably abutted with the inner walls of the sealing rings (204), the outer walls of the sealing rings (204) are fixedly connected with the inner walls of the left valve seat (205) and the right valve seat (206) respectively, and the outer walls of the left valve seat (205) and the right valve seat (206) are fixedly connected with the inner wall of the square groove (103).

4. The split floating ball valve of claim 3, wherein: The adjusting piece (3) is composed of a dial plate (301), a valve rod (302) and an insertion block (303), the bottom of the dial plate (301) is fixedly connected with the top end of the valve rod (302), the bottom end of the valve rod (302) is fixedly connected with the top of the insertion block (303), and the outer wall of the insertion block (303) is movably inserted with the inner wall of the groove (203).

5. The split floating ball valve of claim 4, wherein: The inner top wall of the gland (401) is movably abutted with the top of the pressing ring (402), the bottom of the pressing ring (402) is fixedly connected with the top of the filler (403), the bottom of the filler (403) is fixedly connected with the top of the gasket (404), screw holes (405) are arranged on the top of the gland (401) close to the back, plug holes (406) are arranged on the top of the gland (401) close to the front and the left side, the outer side walls of the pressing ring (402), the filler (403) and the gasket (404) are fixedly connected with the inner side wall of the sealing groove (104), the inner walls of the pressing ring (402), the filler (403) and the gasket (404) are movably sleeved with the outer wall of the waist of the valve rod (302), and the inner side wall of the gland (401) is threadedly connected with the outer side wall of the top end of the valve body (101).

6. The split floating ball valve of claim 5, wherein: The top end of the stud (501) is fixedly welded with the bottom of the limiting block (502) close to the back, the bottom of the limiting block (502) close to the front is movably abutted with the top of the limiting ring (503) close to the back, the inner wall of the limiting ring (503) close to the front is movably inserted with the outer wall of the top end of the bolt (504), the outer wall of the bottom end of the bolt (504) is movably inserted with the inner wall of the plug hole (406), the outer wall of the stud (501) is threadedly connected with the inner wall of the screw hole (405), and the inner wall of the limiting ring (503) is fixedly welded with the outer wall of the valve rod (302) close to the gland (401).

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