Ceramic ball valve

Abstract

The utility model discloses a ceramic ball valve which comprises a valve body, two valve seats, a ceramic valve ball, a ceramic pipeline, a driving handle and a valve rod, the two valve seats are located on the two sides of the valve body respectively, the ceramic pipeline is fixed in the valve body and the two valve seats, the ceramic valve ball is rotationally connected in the ceramic pipeline, and the driving handle is arranged on the valve rod. One end of the valve rod is inserted and fixed into the inner side wall of the ceramic valve ball, the valve rod is rotationally connected into the valve body, one end of the driving handle is fixed to the other end of the valve rod, and a first fixing ring is arranged on the peripheral side of the end, close to the valve body, of the valve seat. A first fixing ring is arranged on the periphery of one end of one valve seat, a second fixing ring is arranged on the periphery of the other valve seat close to one end of the valve body, a quick locking piece is arranged between the first fixing ring and the second fixing ring, and the two valve seats can be fixed to the two corresponding sides of the valve body through the quick locking piece. The ceramic ball valve has the effect of improving the stability of the ceramic ball valve.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of ball valves, in particular to a ceramic ball valve. BACKGROUND

[0002] The ceramic ball valve is a new material using structural ceramics corrosion resistance, wear resistance and high hardness characteristics, so that the ceramic ball valve has most of the advantages of metal ball valves, and has the advantages of super corrosion resistance, wear resistance, high temperature resistance and erosion resistance. The ceramic ball valve is applied to a water conveying system. The ceramic ball valve comprises a valve body, a ceramic valve ball, two valve seats, a valve rod and a ceramic pipeline. The two valve seats are installed on the corresponding two sides of the valve body by screws. The ceramic pipeline is located in the valve body and the two valve seats. The ceramic valve ball is rotationally connected in the ceramic pipeline and abuts against the inner side wall of the ceramic pipeline. One end of the valve rod is inserted and fixed in the ceramic valve ball. The other end of the valve rod is located outside the valve body. Since there is a gap between the ceramic valve ball and the ceramic pipeline, when there are small impurities in the water, the impurities will be embedded in the gap. Then, the ceramic valve ball will be affected during rotation, so that the ceramic valve ball will be stuck during rotation. CONTENT OF THE UTILITY MODEL

[0003] The utility model aims at the defects and deficiencies of the prior art, and provides a ceramic ball valve.

[0004] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0005] The utility model discloses a ceramic ball valve which comprises a valve body, two valve seats, a ceramic valve ball, a ceramic pipeline, a driving handle and a valve rod. The two valve seats are located on the two sides of the valve body. The ceramic pipeline is fixed in the valve body and the two valve seats. The ceramic valve ball is rotationally connected in the ceramic pipeline. One end of the valve rod is inserted and fixed in the inner side wall of the ceramic valve ball. The valve rod is rotationally connected in the valve body. One end of the driving handle is fixed to the other end of the valve rod. The valve seat is provided with a first fixing ring on the circumferential side close to one end of the valve body. The other valve seat is provided with a second fixing ring on the circumferential side close to one end of the valve body. A quick locking piece is arranged between the first fixing ring and the second fixing ring. The quick locking piece can fix the two valve seats on the corresponding two sides of the valve body.

[0006] Preferably, the quick locking piece has a plurality of quick locking pieces which are uniformly arranged between the first fixing ring and the second fixing ring.

[0007] Preferably, the quick locking piece comprises a connecting rod and a fixing block, one end of the connecting rod is rotationally connected to the side wall of the first fixing ring, the circumferential side of the second fixing ring is uniformly provided with a fixing groove, the connecting rod is slidably embedded in the fixing groove, and the fixing block is threadedly connected to the circumferential side of the connecting rod and abuts against the side wall of the second fixing ring.

[0008] Preferably, the circumferential side of the connecting rod is sleeved with a stabilizing sheet, and the stabilizing sheet is located between the second fixing ring and the fixing block.

[0009] Preferably, the circumferential side of the stabilizing sheet is curved towards one side.

[0010] Preferably, the inner end of the valve seat is provided with an alignment block, and the two ends of the valve body are respectively provided with alignment grooves for inserting the alignment block.

[0011] Preferably, the ceramic pipeline comprises a first inner lining and two second inner linings, the two second inner linings are respectively located at the two ends of the first inner lining, the first inner lining is sleeved on the outer circumferential side of the ceramic valve ball, and the inner end of the second inner lining is attached to the side wall of the ceramic valve ball.

[0012] To sum up, the present application has at least one of the following beneficial technical effects:

[0013] 1. After the ceramic ball valve is used for a long time, the impurities of water can be embedded between the ceramic pipeline and the ceramic valve ball, then the fixing block can be rotated to move away from the second fixing ring, then the connecting rod is rotated to separate from the fixing groove, then the two valve seats can be disassembled from the two ends of the valve body, then the impurities in the gap between the ceramic pipeline and the ceramic valve ball can be cleaned, then the two valve seats are respectively abutted to the two ends of the valve body, then the connecting rod is rotated to be embedded in the fixing groove, and then the fixing block is rotated to be locked to the side wall of the second fixing ring, so that the ceramic valve ball can be smoothly rotated in the ceramic pipeline and no jamming phenomenon occurs, and the stability of the ceramic ball valve is improved.

[0014] 2. When the two valve seats need to be installed on the two ends of the valve body, the alignment block at one end of the valve seat is inserted into the alignment groove of the valve body, then the two valve seats can be fixed on the two ends of the valve body through the quick locking piece, and the working efficiency of assembling the ball valve is improved.

[0015] 3. When the two valve seats are disassembled from the valve body, the second inner lining is separated from the first inner lining along with the valve seat and the valve body, and then the impurities between the ceramic pipeline and the ceramic valve ball can be conveniently cleaned. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structural schematic view of the ceramic ball valve of the present application;

[0017] Figure 2 is the cross-sectional view of the ceramic ball valve of the utility model;

[0018] Figure 3 is the explosion view of the ceramic ball valve of the utility model.

[0019] In the figure: 1, valve body; 2, valve seat; 3, ceramic pipeline; 4, driving handle; 5, valve rod; 6, first inner lining; 7, second inner lining; 8, sealing ring; 9, first fixed ring; 10, second fixed ring; 11, quick locking piece; 12, connecting rod; 13, fixed block; 14, fixed groove; 15, stabilizing sheet; 16, alignment block; 17, alignment groove; 18, ceramic ball valve. DETAILED DESCRIPTION

[0020] The utility model will be further described below with reference to the drawings.

[0021] The embodiment of the application discloses a ceramic ball valve.

[0022] Referring to Figure 1 and Figure 2 , including valve body 1, two valve seats 2, ceramic valve ball, ceramic pipeline 3, driving handle 4 and valve rod 5, two valve seats 2 are located at both ends of valve body 1, ceramic pipeline 3 is embedded in valve body 1 and two valve seats 2, ceramic valve ball rotates in ceramic pipeline 3, one end of valve rod 5 is inserted into ceramic valve ball, valve rod 5 is rotatably connected in valve body 1, the other end of valve rod 5 is located outside valve body 1, one end of driving handle 4 is fixed to the outer end of valve rod 5.

[0023] Ceramic pipeline 3 includes first inner lining 6 and two second inner linings 7, first inner lining 6 is circular column, the vertical section of second inner lining 7 is two symmetrical "L" shapes, the outer circumferential side of the inner end of two second inner linings 7 is respectively attached to the inner circumferential side of both ends of first inner lining 6, the outer circumferential side of the inner end of second inner lining 7 is sleeved with sealing ring 8, sealing ring 8 can increase the sealing property between first inner lining 6 and second inner lining 7.

[0024] Referring to Figure 2 and Figure 3, the outer periphery of one end of the valve seat 2 is integrally provided with a first fixing ring 9, the outer periphery of the other end of the valve seat 2 is integrally provided with a second fixing ring 10, three quick locking pieces 11 are evenly arranged between the first fixing ring 9 and the second fixing ring 10, the quick locking piece 11 comprises a connecting rod 12 and a fixing block 13, one end of the connecting rod 12 is rotatably connected to the inner wall of the first fixing ring 9, three fixing grooves 14 are evenly formed in the circumferential direction of the second fixing ring 10, the connecting rod 12 is rotatably embedded in the fixing groove 14, the fixing block 13 is threadedly connected to the outer periphery of the connecting rod 12, the fixing block 13 is located outside the second fixing ring 10, and two rotating pieces are integrally arranged on the outer periphery of the fixing block 13. Drive the fixing block 13 to rotate, let the fixing block 13 away from the second fixing ring 10, then rotate the connecting rod 12, and then the connecting rod 12 is separated from the fixing groove 14, then the two valve seats 2 can be detached from the two ends of the valve body 1.

[0025] The second fixing ring 10 and the fixing block 13 are provided with a stabilizing piece 15, the stabilizing piece 15 is sleeved on the outer periphery of the connecting rod 12, and the outer periphery of the stabilizing piece 15 is curved towards the fixing block 13. The fixing block 13 is threadedly connected to the outer periphery of the connecting rod 12, so that the fixing block 13 abuts against the side wall of the stabilizing piece 15, and then in the process of using the ball valve, the fixing block 13 will not be loose, however, the curved portion of the outer periphery of the stabilizing piece 15 is convenient for being embedded in the fixing groove 14.

[0026] The inner end of the valve seat 2 is integrally provided with two alignment blocks 16 in the circumferential direction, the alignment block 16 is in a cylindrical shape, and the outer periphery of the valve body 1 is provided with two alignment grooves 17 for inserting and fixing the alignment block 16. The alignment block 16 at one end of the valve seat 2 is inserted into the alignment groove 17 of the valve body 1, and then the two valve seats 2 are fixed to the two ends of the valve body 1 through the quick locking piece 11.

[0027] The above is only a preferred embodiment of the present application, so equivalent changes or modifications made according to the structure, features and principles of the present application patent application range are included in the present application patent application range.

Claims

1. A ceramic ball valve, comprising a valve body (1), two valve seats (2), a ceramic valve ball, a ceramic pipeline (3), a driving handle (4) and a valve rod (5), the two valve seats (2) are respectively located on both sides of the valve body (1), the ceramic pipeline (3) is fixed in the valve body (1) and the two valve seats (2), the ceramic valve ball is rotatably connected in the ceramic pipeline (3), one end of the valve rod (5) is inserted and fixed in the inner side wall of the ceramic valve ball, the valve rod (5) is rotatably connected in the valve body (1), one end of the driving handle (4) is fixed to the other end of the valve rod (5), characterized in that: The valve seat (2) is provided with a first fixing ring (9) on the periphery close to one end of the valve body (1), and the other valve seat (2) is provided with a second fixing ring (10) on the periphery close to one end of the valve body (1), and the first fixing ring (9) and the second fixing ring (10) are provided with a quick locking piece (11), which can fix the two valve seats (2) on the corresponding two sides of the valve body (1).

2. A ceramic ball valve according to claim 1, wherein The quick locking piece (11) has a plurality of quick locking pieces (11) uniformly arranged between the first fixing ring (9) and the second fixing ring (10).

3. A ceramic ball valve according to claim 1, wherein The quick locking piece (11) includes a connecting rod (12) and a fixing block (13), one end of the connecting rod (12) is rotatably connected to the inner wall of the first fixing ring (9), the periphery of the second fixing ring (10) is uniformly provided with a fixing groove (14), the connecting rod (12) is slidably embedded in the fixing groove (14), and the fixing block (13) is threadedly connected to the periphery of the connecting rod (12), and the side wall of the fixing block (13) abuts against the side wall of the second fixing ring (10).

4. A ceramic ball valve according to claim 3, wherein The connecting rod (12) is sleeved with a stabilizing sheet (15), and the stabilizing sheet (15) is located between the second fixing ring (10) and the fixing block (13).

5. A ceramic ball valve according to claim 4, wherein The periphery of the stabilizing sheet (15) is curved towards one side.

6. A ceramic ball valve according to claim 1, wherein The inner end of the valve seat (2) is provided with an alignment block (16), and the two ends of the valve body (1) are respectively provided with an alignment groove (17) for inserting the alignment block (16).

7. A ceramic ball valve according to claim 1, wherein The ceramic pipeline (3) includes a first inner lining (6) and two second inner linings (7), the two second inner linings (7) are respectively located at the two ends of the first inner lining (6), the first inner lining (6) is sleeved on the outer periphery of the ceramic valve ball, and the inner end of the second inner lining (7) is attached to the side wall of the ceramic valve ball.

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