Combined valve ball

Abstract

The utility model relates to the technical field of valve ball bodies, and discloses a combined type valve ball body, the ball body is connected with a valve rod through an installation assembly, the installation assembly comprises an installation column, installation blocks A fixedly arranged on the front side and the rear side of the valve rod and a plurality of sunk screws, and the installation column is inserted into an installation groove A to be in contact connection with the ball body. The countersunk head screw is inserted into the countersunk head hole A and screwed into the screw hole A to be fixedly connected with the installation column and the ball body, the valve rod and the installation block A are inserted into the installation groove B to be in contact connection with the installation column, and the countersunk head screw is inserted into the countersunk head hole B and screwed into the screw hole B to be fixedly connected with the installation block A and the installation column. The ball valve is of a split combined structure and has the beneficial effect that any part is convenient to disassemble and assemble, any part can be replaced when being damaged, and the problems that the normal use of the ball valve is affected due to the fact that cracks and even fractures are possibly generated at the joint of the valve rod and the ball body, and resources are wasted when the ball body and the valve rod are replaced are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of valve balls, in particular to a combined valve ball. Background Art

[0002] A ball valve is a type of valve used in pipelines primarily to cut off, distribute, and redirect the flow of media. It typically consists of a valve body, a ball, and a stem. The ball serves as the valve's opening and closing mechanism, while the stem drives the ball's rotation. The stem rotates the ball around the valve's axis, opening and closing the valve.

[0003] The existing ball and valve stem are usually welded together or directly formed into one piece. After the valve stem is rotated and used frequently for a long time, cracks or even breaks may appear at the connection between the valve stem and the ball, which will cause problems affecting the normal use of the ball valve. When the ball and valve stem are replaced, the ball is often intact and can be used, which will lead to the problem of waste of resources. Utility Model Content

[0004] The purpose of the present utility model is to provide a combined valve ball to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the present invention provides the following technical solutions: a combined valve ball, comprising a ball, a valve stem located above the ball, the ball having a material passing hole extending therethrough on the left and right sides, characterized in that: the ball is connected to the valve stem through a mounting assembly, the mounting assembly comprising a mounting post, a mounting block A fixedly arranged on the front and rear sides of the valve stem, and a plurality of countersunk screws, a mounting groove A is provided on the top wall of the ball, the mounting post is inserted into the mounting groove A and is in contact with the ball, and a mounting groove is provided on the top wall of the mounting post to contact the valve stem. The rod and the mounting block A match the mounting slot B, the mounting slot A is provided with a screw hole A on the bottom wall, the mounting slot B is provided with a countersunk hole A on the bottom wall, the countersunk screw is inserted into the countersunk hole A and screwed into the screw hole A to be fixedly connected to the mounting column and the sphere, the valve stem and the mounting block A are inserted into the mounting slot B and contacted with the mounting column, the mounting slot B is provided with a screw hole B on the bottom wall, the mounting block A is provided with a countersunk hole B on the top wall, the countersunk screw is inserted into the countersunk hole B and screwed into the screw hole B to be fixedly connected to the mounting block A and the mounting column.

[0006] Preferably, the mounting assembly also includes mounting blocks B fixedly arranged on the left and right sides of the valve stem, the mounting block A and the mounting block B are arranged in a cross shape, and a mounting groove C is provided on the top wall of the mounting column, which is connected to the mounting groove B and matches the mounting block B, and the mounting block B is located inside the mounting groove C and is in contact with the mounting column.

[0007] Preferably, the mounting assembly further comprises an upper rod and an insert block fixedly arranged below the upper rod, a slot matching the insert block is provided on the top wall of the valve stem, and the insert block is fixedly connected to the valve stem via a countersunk screw after being inserted into the slot.

[0008] Preferably, a check assembly is provided inside the sphere, and an inner hole connected to the feeding hole is opened inside the sphere, and the diameter of the inner hole is larger than the diameter of the feeding hole. The check assembly includes a fixed frame fixed inside the feeding hole and located on the right side of the inner hole, a sliding shaft slidably set on the fixed frame, a pressure plate fixed on the left side of the sliding shaft, and a spring sleeved on the sliding shaft. The diameter of the pressure plate is larger than the diameter of the feeding hole and smaller than the diameter of the inner hole, and the left and right ends of the spring are fixedly connected to the pressure plate and the fixed frame respectively.

[0009] Preferably, the mounting assembly further comprises a sleeve mounted on the valve stem and a sealing gasket fixedly arranged below the sleeve. A thread is provided on the outside of the valve stem. The sleeve is fixedly connected to the mounting post after being tightened, and the sealing gasket is fixedly arranged between the sleeve and the mounting post.

[0010] Preferably, a positioning column is fixedly provided on the bottom wall of the installation groove A, and a positioning groove is opened on the bottom wall of the installation column. After the positioning column is inserted into the positioning groove, the screw hole A is aligned with the countersunk hole A.

[0011] Preferably, a filter screen is fixedly provided inside the feed hole and is located on the left side of the inner hole.

[0012] The beneficial effects of the present invention are as follows: when the present invention is used, the mounting post is inserted into the mounting slot A, the positioning post is inserted into the positioning slot, the screw hole A is aligned with the countersunk hole A, the countersunk screw is inserted into the countersunk hole A and screwed into the screw hole A, so that the mounting post is fixedly connected to the sphere, the valve stem and the mounting block A are inserted into the mounting slot B, the screw hole B is aligned with the countersunk hole B, the countersunk screw is inserted into the countersunk hole B and screwed into the screw hole B, so that the valve stem and the mounting block A are fixedly connected to the mounting post, thus completing the assembly of the present invention and facilitating the disassembly and assembly of the valve stem; since the countersunk screw is used to fix the parts, it has a high safety and avoids The screws interfere with the parts; place the upper rod above the valve stem, insert the insert into the slot and fix it to the valve stem through the countersunk screw, so that the upper rod is fixed to the valve stem, which plays the role of lengthening the valve stem; in summary, the utility model is a split combination structure, which has the beneficial effect of convenient disassembly and assembly of any parts, and any damaged parts can be replaced, which solves the problem that after the valve stem is rotated and used for a long time and frequently, the connection between the valve stem and the ball may produce cracks or even breakage, which affects the normal use of the ball valve. When the ball and the valve stem are replaced, the ball is often intact and can be used, which leads to the problem of waste of resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Attachment Figure 1 It is a structural diagram of the utility model;

[0014] Attachment Figure 2 This is an explosion diagram of the utility model;

[0015] Attachment Figure 3 This is a schematic diagram of the bottom of the mounting column of the utility model;

[0016] Attachment Figure 4 It is a top view of the utility model;

[0017] Attachment Figure 5 For attachment Figure 4 Cross-sectional view at AA in the middle;

[0018] Attachment Figure 6 For attachment Figure 4 Cross-sectional view at the middle BB.

[0019] In the figure: 1. sphere; 2. valve stem; 3. feed hole; 4. mounting column; 5. mounting block A; 6. countersunk screw; 7. mounting slot A; 8. mounting slot B; 9. screw hole A; 10. countersunk hole A; 11. screw hole B; 12. countersunk hole B; 13. mounting block B; 14. mounting slot C; 15. upper rod; 16. insert block; 17. slot; 18. inner hole; 19. fixing bracket; 20. sliding shaft; 21. pressure plate; 22. spring; 23. screw sleeve; 24. sealing gasket; 25. positioning column; 26. positioning slot; 27. filter screen. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present invention.

[0021] like Figure 1-6As shown, the utility model discloses a combined valve ball, including a ball 1, a valve stem 2 located above the ball 1, and a feed hole 3 is formed on the left and right sides of the ball 1. The ball 1 is connected to the valve stem 2 through a mounting assembly, and the mounting assembly includes a mounting column 4, a mounting block A5 fixedly arranged on the front and rear sides of the valve stem 2, and a plurality of countersunk screws 6. A mounting groove A7 is formed on the top wall of the ball 1, and the mounting column 4 is inserted into the mounting groove A7 to contact and connect with the ball 1. A mounting groove B is formed on the top wall of the mounting column 4 to match the valve stem 2 and the mounting block A5. 8. A screw hole A9 is provided on the bottom wall of the mounting groove A7, and a countersunk hole A10 is provided on the bottom wall of the mounting groove B8. The countersunk screw 6 is inserted into the countersunk hole A10 and screwed into the screw hole A9 to be fixedly connected to the mounting column 4 and the sphere 1. The valve stem 2 and the mounting block A5 are inserted into the mounting groove B8 and contacted with the mounting column 4. A screw hole B11 is provided on the bottom wall of the mounting groove B8, and a countersunk hole B12 is provided on the top wall of the mounting block A5. The countersunk screw 6 is inserted into the countersunk hole B12 and screwed into the screw hole B11 to be fixedly connected to the mounting block A5 and the mounting column 4. When the utility model is used, the mounting column 4 is inserted into the mounting groove A7, the positioning column 25 is inserted into the positioning groove 26, the screw hole A9 is aligned with the countersunk hole A10, the countersunk screw 6 is inserted into the countersunk hole A10 and screwed into the screw hole A9, so that the mounting column 4 is fixedly connected to the ball 1, the valve stem 2 and the mounting block A5 are inserted into the mounting groove B8, the screw hole B11 is aligned with the countersunk hole B12, the countersunk screw 6 is inserted into the countersunk hole B12 and screwed into the screw hole B11, so that the valve stem 2 and the mounting block A5 are fixedly connected to the mounting column 4, and the assembly of the utility model is completed, which plays a role in facilitating the disassembly and assembly of the valve stem 2; since the countersunk screw 6 is used to fix the parts, it plays a role in high safety and avoidance The screws interfere with the parts; place the upper rod 15 above the valve stem 2, insert the plug 16 into the slot 17 and fix it to the valve stem 2 through the countersunk screw 6, so that the upper rod 15 is fixed to the valve stem 2, which plays the role of lengthening the valve stem 2; in summary, the utility model is a split combination structure, which has the beneficial effect of convenient disassembly and assembly of any parts, and any damaged parts can be replaced, which solves the problem that after the valve stem 2 is rotated and used for a long time and frequently, the connection between the valve stem 2 and the ball 1 may produce cracks or even breakage, which affects the normal use of the ball valve. When the ball 1 and the valve stem 2 are replaced, the ball 1 is often intact and can be used, which leads to the problem of waste of resources.

[0022] Preferably, the mounting assembly further includes mounting blocks B13 fixedly mounted on the left and right sides of the valve stem 2. The mounting blocks A5 and B13 are arranged in a cross shape. The top wall of the mounting post 4 is provided with a mounting groove C14 that communicates with the mounting groove B8 and matches the mounting blocks B13. The mounting blocks B13 are located within the mounting groove C14 and are in contact with the mounting post 4. Since the mounting blocks A5 and B13 are arranged in a cross shape and the mounting blocks B13 are located within the mounting groove C14 and in contact with the mounting post 4, the valve stem 2 facilitates the rotation of the mounting post 4 and the ball 1.

[0023] Preferably, the mounting assembly further comprises an upper rod 15 and an insert 16 fixedly disposed below the upper rod 15. A slot 17 matching the insert 16 is defined on the top wall of the valve stem 2. The insert 16 is inserted into the slot 17 and fixedly connected to the valve stem 2 via a countersunk screw 6. Since the slot 17 matching the insert 16 is defined on the top wall of the valve stem 2, the insert 16 is inserted into the slot 17 and fixedly connected to the valve stem 2 via the countersunk screw 6, thereby fixing the upper rod 15 to the valve stem 2 and lengthening the valve stem 2.

[0024] Preferably, a check assembly is provided inside the sphere 1. An inner hole 18 communicating with the feeding hole 3 is provided inside the sphere 1. The diameter of the inner hole 18 is larger than the diameter of the feeding hole 3. The check assembly includes a fixing frame 19 fixedly provided inside the feeding hole 3 and located on the right side of the inner hole 18, a sliding shaft 20 slidably provided on the fixing frame 19, a pressure plate 21 fixedly provided on the left side of the sliding shaft 20, and a spring 22 sleeved on the sliding shaft 20. The diameter of the pressure plate 21 is larger than the diameter of the feeding hole 3 and smaller than the diameter of the inner hole 18. The left and right ends of the spring 22 are respectively fixedly connected to the pressure plate 21 and the fixing frame 19. Since the sliding shaft 20 is slidably provided on the fixing frame 19, the diameter of the pressure plate 21 is larger than the diameter of the feeding hole 3 and smaller than the diameter of the inner hole 18. The left and right ends of the spring 22 are respectively fixedly connected to the pressure plate 21 and the fixing frame 19, thereby playing a check role and preventing water from flowing back.

[0025] Preferably, the mounting assembly further includes a screw sleeve 23 sleeved on the valve stem 2, and a sealing gasket 24 fixedly disposed below the screw sleeve 23. The valve stem 2 is provided with threads on the outside, and the screw sleeve 23 is fixedly connected to the mounting post 4 after being tightened. The sealing gasket 24 is fixedly disposed between the screw sleeve 23 and the mounting post 4. Since the valve stem 2 is provided with threads on the outside, tightening the screw sleeve 23 fixes the screw sleeve 23 to the mounting post 4, and the sealing gasket 24 is fixedly disposed between the screw sleeve 23 and the mounting post 4, thereby providing a sealing effect to prevent external moisture or impurities from entering the mounting groove A7 and the mounting groove B8.

[0026] Preferably, a positioning post 25 is fixedly mounted on the bottom wall of the mounting slot A7, and a positioning slot 26 is formed on the bottom wall of the mounting post 4. After the positioning post 25 is inserted into the positioning slot 26, the screw hole A9 is aligned with the countersunk hole A10. Since the positioning slot 26 is formed on the bottom wall of the mounting post 4, inserting the positioning post 25 into the positioning slot 26 aligns the screw hole A9 with the countersunk hole A10, thereby facilitating installation of the countersunk screw 6.

[0027] Preferably, a filter screen 27 is fixedly provided inside the feed hole 3 and is located on the left side of the inner hole 18. Since the filter screen 27 is fixedly provided inside the feed hole 3 and is located on the left side of the inner hole 18, it plays a role in filtering impurities in the water.

[0028] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A combined valve ball, comprising a ball (1), a valve stem (2) located above the ball (1), wherein the ball (1) is provided with a feed hole (3) extending through the left and right sides thereof, and characterized in that: The sphere (1) is connected to the valve stem (2) through a mounting assembly, which includes a mounting column (4), a mounting block A (5) fixedly arranged on the front and rear sides of the valve stem (2), and a plurality of countersunk screws (6). A mounting groove A (7) is provided on the top wall of the sphere (1). The mounting column (4) is inserted into the mounting groove A (7) and is in contact with the sphere (1). A mounting groove B (8) matching the valve stem (2) and the mounting block A (5) is provided on the top wall of the mounting column (4). A screw hole A (9) is provided on the bottom wall of the mounting groove A (7). The bottom wall of the mounting groove B (8) is provided with a screw hole A (9). A countersunk hole A (10) is provided on the top, and the countersunk screw (6) is inserted into the countersunk hole A (10) and screwed into the screw hole A (9) to be fixedly connected to the mounting column (4) and the sphere (1). The valve stem (2) and the mounting block A (5) are inserted into the mounting groove B (8) and are in contact with the mounting column (4). A screw hole B (11) is provided on the bottom wall of the mounting groove B (8), and a countersunk hole B (12) is provided on the top wall of the mounting block A (5). The countersunk screw (6) is inserted into the countersunk hole B (12) and screwed into the screw hole B (11) to be fixedly connected to the mounting block A (5) and the mounting column (4).

2. A combined valve ball according to claim 1, characterized in that: The mounting assembly further comprises mounting blocks B (13) fixedly mounted on the left and right sides of the valve stem (2), the mounting block A (5) and the mounting block B (13) being arranged in a cross shape, a mounting groove C (14) communicating with the mounting groove B (8) and matching the mounting block B (13) being provided on the top wall of the mounting column (4), and the mounting block B (13) being located inside the mounting groove C (14) and being in contact with the mounting column (4).

3. The combined valve ball according to claim 1, characterized in that: The mounting assembly further comprises an upper rod (15) and an insert block (16) fixedly arranged below the upper rod (15); a slot (17) matching the insert block (16) is provided on the top wall of the valve stem (2); and the insert block (16) is fixedly connected to the valve stem (2) via a countersunk screw (6) after being inserted into the slot (17).

4. The combined valve ball according to claim 1, characterized in that: A check assembly is provided inside the sphere (1), and an inner hole (18) communicating with the feeding hole (3) is provided inside the sphere (1), the inner hole (18) having a diameter larger than that of the feeding hole (3), and the check assembly comprises a fixing frame (19) fixedly arranged inside the feeding hole (3) and located on the right side of the inner hole (18), a sliding shaft (20) slidably arranged on the fixing frame (19), a pressing plate (21) fixedly arranged on the left side of the sliding shaft (20), and a spring (22) sleeved on the sliding shaft (20), the diameter of the pressing plate (21) being larger than the diameter of the feeding hole (3) and smaller than the diameter of the inner hole (18), and the left and right ends of the spring (22) being fixedly connected to the pressing plate (21) and the fixing frame (19) respectively.

5. The combined valve ball according to claim 1, characterized in that: The mounting assembly further comprises a threaded sleeve (23) sleeved on the valve stem (2) and a sealing gasket (24) fixedly arranged below the threaded sleeve (23); a thread is provided on the outside of the valve stem (2); the threaded sleeve (23) is fixedly connected to the mounting post (4) after being tightened; and the sealing gasket (24) is fixedly arranged between the threaded sleeve (23) and the mounting post (4).

6. The combined valve ball according to claim 1, characterized in that: A positioning column (25) is fixedly provided on the bottom wall of the installation groove A (7), and a positioning groove (26) is provided on the bottom wall of the installation column (4). After the positioning column (25) is inserted into the positioning groove (26), the screw hole A (9) is aligned with the countersunk hole A (10).

7. The combined valve ball according to claim 4, characterized in that: A filter screen (27) is fixedly provided inside the feed hole (3) and is located on the left side of the inner hole (18).

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