A wear-resistant ball valve

Abstract

The utility model relates to the technical field of ball valves, and discloses a wear-resistant ball valve, including a valve body and a pair of connecting parts, wherein an upper fixed seat is fixedly connected at the middle position of the upper end of the valve body, a lower fixed seat is fixedly arranged at the middle position of the bottom end of the valve body, a valve ball is rotatably arranged at the middle position inside the valve body, and valve seats are symmetrically fixedly arranged at both sides of the valve ball inside the valve body, and a pair of valve seats and valve balls are sealed and slidably matched with each other. In the utility model, the device of this design is simple to install and operate the valve ball in the valve body through the valve ball installation structure in actual use, and is also simple to operate when disassembling, with low production and use costs, and the auxiliary valve control structure is arranged, so that the device adopts a longitudinal rotation method compared to the valve adjustment method of lateral rotation adjustment, and the rotation adjustment method is more labor-saving, which effectively improves the adjustment efficiency of the valve.

Description

Technical Field

[0001] The utility model relates to the technical field of ball valves, in particular to a wear-resistant ball valve. Background Art

[0002] In the existing valve system, ball valves are mainly used in liquid pipeline transportation due to their own characteristics. In order to increase the service life of ball valves, wear-resistant ball valves are specially designed for use.

[0003] However, the existing wear-resistant ball valves have certain usage defects in actual use, which are usually reflected in the fact that when the existing equipment manually adjusts the ball valve, the wheel is mostly rotated upward and horizontally. When the valve is manually rotated to adjust the valve, the adjustment efficiency of the valve is low. Therefore, technical personnel in this field provide a wear-resistant ball valve to solve the problems raised in the above background technology. Utility Model Content

[0004] The utility model aims to solve the shortcomings existing in the prior art and proposes a wear-resistant ball valve. The wear-resistant ball valve designed solves the disadvantage that when the existing equipment is used to manually adjust the ball valve, the wheel is mostly rotated upward and horizontally, and the adjustment efficiency of the valve is low when the valve is manually rotated to adjust the valve.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] A wear-resistant ball valve comprises a valve body and a pair of connecting parts, wherein an upper fixed seat is fixedly connected to the middle position of the upper end of the valve body, a lower fixed seat is fixedly arranged at the middle position of the bottom end of the valve body, a valve ball is rotatably arranged at the middle position inside the valve body, valve seats are symmetrically fixedly arranged at the two side positions of the interior of the valve body close to the valve ball, a pair of valve seats and valve balls are sealed and slidably matched with each other, a second through groove is provided at the middle position of the bottom end of the valve body, the lower fixed seat and the second through groove are sealed and slidably matched with each other, a second matching groove is provided at the middle position of the bottom end of the valve ball, a plurality of second limiting sliding blocks are equidistantly fixedly connected to the sides of the second matching groove, the upper end of the lower fixed seat is rotatably connected to a rotating seat, and second limiting sliding grooves are provided at the positions of the upper end of the rotating seat corresponding to the plurality of second limiting sliding blocks, a plurality of second limiting sliding blocks and a plurality of second limiting sliding grooves;

[0007] Through the above technical solution, when the device of this design is actually used, the valve ball installation structure is set up, so that the equipment can easily install the valve ball in the valve body, and it is also easy to disassemble, and the production and use cost is low.

[0008] Further, a guide column is fixedly provided on the upper end of the upper fixed seat, and a base is fixedly connected to the upper end of the guide column, and a sleeve is fixedly connected to one side edge of the base, and the sleeve and the base are internally connected to each other, a bevel gear is connected to the base for transverse rotation, and a worm is connected to the sleeve for longitudinal rotation, and the worm and the bevel gear are meshed with each other, and a rotating rod is fixedly connected to the middle position of the bottom end of the bevel gear, and a first through groove is provided at the upper side of the valve body, and the rotating rod and the first through groove are sealed and slidably matched with each other, and a first matching groove is provided at the middle position of the upper end of the valve ball, and the bottom end of the rotating rod and the first matching groove are matched with each other, and a wear-resistant coating is fixedly provided on the inner side of a pair of valve seats and the surface of the valve ball, and the wear-resistant coating is made of Ertalyte® PET-P material;

[0009] Through the above technical solution, when the device of this design is actually used, the auxiliary valve control structure is set up, so that the device adopts a longitudinal rotation method compared to the valve adjustment method of lateral rotation adjustment. The rotation adjustment method is more labor-saving and effectively improves the valve adjustment efficiency.

[0010] Further, second flanges are fixedly connected at both ends of the valve body and at one end of a pair of connectors close to the valve body, multiple pairs of the second flanges are sealed and connected to each other, and a first flange is fixedly connected at one end of a pair of connectors away from the valve body;

[0011] Through the above technical scheme, the second flange and the sealing connection and matching relationship between multiple pairs of second flanges facilitate the sealing connection between the connecting part and the valve body, and the first flange facilitates the sealing connection between the valve equipment and the pipeline to be installed.

[0012] Furthermore, the front end of the sleeve is rotatably connected to a hand-cranked wheel, a handle is rotatably connected to one side of the front end of the hand-cranked wheel, and the worm and the hand-cranked wheel are fixedly connected to each other;

[0013] Through the above technical scheme, the hand-cranked wheel and the fixed connection relationship between the hand-cranked wheel and the worm gear make it convenient to rotate the worm gear in the sleeve by rotating the hand-cranked wheel, and the crank handle set on the hand-cranked wheel can be used to conveniently rotate the hand-cranked wheel.

[0014] Furthermore, the positions of the valve body corresponding to the pair of valve seats are fixedly connected with first mounting parts, the positions of the valve seats corresponding to the pair of first mounting parts are fixedly connected with first matching parts, and the pair of first mounting parts are sealed and fixedly connected with the pair of first matching parts.

[0015] Through the above technical solution, the first mounting member arranged in the valve body, the first matching member at the position of the valve seat corresponding to the first mounting member, and the matching relationship between the two facilitate the sealing and fixed installation of the valve seat inside the valve body.

[0016] Furthermore, a second matching piece is fixedly connected to the middle position of the second through groove, and the upper end of the lower fixing seat and the second matching piece are sealed and matched with each other;

[0017] Through the above technical solution, the second matching piece arranged in the second through groove and the sealing matching relationship with the upper end of the lower fixing seat can effectively ensure the sealing performance of the lower fixing seat during installation.

[0018] Furthermore, a pair of the valve seats are provided with water grooves at the middle positions thereof, a through hole is provided at the middle position thereof, and the pair of the water grooves and the through hole cooperate with each other;

[0019] Through the above technical solution, the water groove and the through hole are provided, and the matching relationship between the two can facilitate the flow of fluid through the water groove and the through hole.

[0020] Furthermore, a third flange is fixedly connected to the bottom end of the guide column, the third flange and the upper fixing seat are fixedly connected to each other, and an inspection plate is fixedly connected to the upper end of the base;

[0021] Through the above technical scheme, the third flange set at the bottom end of the guide column and the connection relationship with the upper fixed seat facilitate the sealing connection between the guide column and the third flange, and the inspection plate set at the upper end of the base facilitates the inspection, maintenance and replacement of the bevel gear in the base.

[0022] Further, a plurality of first limiting sliding grooves are equidistantly provided at the side edge of the bottom end of the rotating rod, and a first limiting sliding block is fixedly connected at the inner side edge of the first matching groove corresponding to the positions of the plurality of first limiting sliding grooves, and the plurality of first limiting sliding blocks and the plurality of first limiting sliding grooves are mutually limitedly matched;

[0023] Through the above technical solution, the first limiting sliding groove opened at the bottom end of the rotating rod and the first limiting sliding block arranged in the first matching groove, as well as the matching relationship between the two, can drive the valve ball in the valve body to rotate and adjust when the rotating rod rotates.

[0024] The utility model has the following beneficial effects:

[0025] The cam is then pressed against the bottom of the valve body and the cam is pressed against the second limit slide block, and the cam is pressed against the bottom of the valve body to release the cam.

[0026] In the utility model, an auxiliary valve control structure of the device is formed by the hand-cranked wheel, crank handle, worm, bevel gear, rotating rod, third flange, upper fixed seat, first through groove, first limit slide groove, first limit slider and first matching groove. In this structure, when controlling the valve, the hand-cranked wheel can be grasped and the handle can be shaken so that the hand-cranked wheel can drive the worm in the sleeve to rotate, and then the bevel gear meshing with the worm can be driven to rotate. The rotating bevel gear can drive the rotating rod. The first limit slide groove on the rotating rod and the first limit slider in the first matching groove engage with each other, so that the rotating rotating rod can drive the valve ball to rotate in the valve body, thereby completing the rotation adjustment of the valve ball. The overall structural design enables the device to adopt a longitudinal rotation method compared to the valve adjustment method of lateral rotation adjustment. The rotation adjustment method is more labor-saving and effectively improves the valve adjustment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a front axonometric view of a wear-resistant ball valve proposed by the utility model;

[0028] Figure 2 This is a bottom-up axonometric view of a wear-resistant ball valve proposed by the utility model;

[0029] Figure 3 This is a front view of a wear-resistant ball valve proposed by the utility model;

[0030] Figure 4 This is a top view of a wear-resistant ball valve proposed by the utility model;

[0031] Figure 5 This is a front cross-sectional view of a wear-resistant ball valve proposed by the utility model;

[0032] Figure 6 for Figure 5 The enlarged schematic diagram of point A in the middle;

[0033] Figure 7 for Figure 5 The enlarged schematic diagram of point B in the middle;

[0034] Figure 8 for Figure 5 Enlarged schematic diagram of point C in the middle.

[0035] Legend:

[0036] 1. Valve body; 2. Hand wheel; 3. Handle; 4. First flange; 5. Connector; 6. Second flange; 7. Upper fixed seat; 8. Third flange; 9. Guide column; 10. Sleeve; 11. Inspection plate; 12. Base; 13. Lower fixed seat; 14. Worm; 15. Bevel gear; 16. Turn rod; 17. First mounting part; 18. First matching part; 19. First through groove; 20. Water groove; 21. Valve seat; 22. Through hole; 23. Valve ball; 24. Wear-resistant coating; 25. First limit slide groove; 26. First limit slider; 27. First matching groove; 28. Second matching groove; 29. ​​Second limit slide groove; 30. Second limit slider; 31. Second matching part; 32. Second through groove; 33. Turning seat. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0038] Reference Figure 1-8 The utility model provides an embodiment: a wear-resistant ball valve, comprising a valve body 1 and a pair of connecting members 5, an upper fixed seat 7 is fixedly connected at the middle position of the upper end of the valve body 1, a lower fixed seat 13 is fixedly arranged at the middle position of the bottom end of the valve body 1, a valve ball 23 is rotatably arranged at the middle position of the interior of the valve body 1, valve seats 21 are symmetrically fixedly arranged at the two sides of the interior of the valve body 1 near the valve ball 23, a pair of valve seats 21 and valve ball 23 are sealed and slidably matched with each other, a second through groove 32 is opened at the middle position of the bottom end of the valve body 1, the lower fixed seat 13 and the second through groove 32 are sealed and slidably matched with each other, a second matching groove 28 is opened at the middle position of the bottom end of the valve ball 23, a plurality of second limiting sliders 30 are fixedly connected to the sides of the second matching groove 28 at equal intervals, a rotating seat 33 is rotatably connected to the upper end of the lower fixed seat 13, and second limiting sliding grooves 29 are opened at the upper end of the rotating seat 33 corresponding to the positions of the plurality of second limiting sliders 30, and the plurality of second limiting sliders 30 and the plurality of second limiting sliding grooves 29.

[0039] A guide column 9 is fixedly provided on the upper end of the upper fixed seat 7, and a base 12 is fixedly connected to the upper end of the guide column 9. A sleeve 10 is fixedly connected to one side of the base 12. The sleeve 10 and the base 12 are connected to each other. A bevel gear 15 is connected to the base 12 for transverse rotation. A worm 14 is connected to the sleeve 10 for longitudinal rotation. The worm 14 and the bevel gear 15 are meshed with each other. A rotating rod 16 is fixedly connected to the middle position of the bottom end of the bevel gear 15. A first through groove 19 is provided at the upper side of the valve body 1. The rotating rod 16 and the first through groove 19 are sealed and slidably matched with each other. A first matching groove 27 is provided at the middle position of the upper end of the valve ball 23. The bottom end of the rotating rod 16 and the first matching groove 27 match each other. A wear-resistant coating 24 is fixedly provided on the inner side of a pair of valve seats 21 and the surface of the valve ball 23. The wear-resistant coating 24 is made of Ertalyte® PET-P material.

[0040] The second flanges 6 are fixedly connected at both ends of the valve body 1 and at one end of a pair of connecting members 5 close to the valve body 1, and multiple pairs of second flanges 6 are sealed and matched with each other. The first flanges 4 are fixedly connected at one end of a pair of connecting members 5 away from the valve body 1. The front end of the sleeve 10 is rotatably connected to the hand wheel 2, and the handle 3 is rotatably connected to the front side of the hand wheel 2. The worm 14 and the hand wheel 2 are fixedly connected to each other. The first mounting members 17 are fixedly connected at the positions of the pair of valve seats 21 inside the valve body 1, and the first matching members 18 are fixedly connected at the positions of the pair of valve seats 21 corresponding to the pair of first mounting members 17. The pair of first mounting members 17 are sealed and fixedly connected to the pair of first matching members 18. The second through groove 32 is fixed at the middle position inside A second matching piece 31 is connected, the upper end of the lower fixed seat 13 and the second matching piece 31 are sealed and matched with each other, a pair of valve seats 21 are provided with a water groove 20 at the middle position, a through hole 22 is provided at the middle position of the valve ball 23, a pair of water grooves 20 and the through hole 22 match each other, the bottom end of the guide column 9 is fixedly connected with a third flange 8, the third flange 8 and the upper fixed seat 7 are fixedly connected to each other, the upper end of the base 12 is fixedly connected with an inspection plate 11, a plurality of first limiting grooves 25 are equidistantly provided at the side position of the bottom end of the rotating rod 16, the inner side of the first matching groove 27 corresponds to the position of the plurality of first limiting grooves 25 and is fixedly connected with a first limiting slider 26, and the plurality of first limiting sliders 26 and the plurality of first limiting grooves 25 match each other.

[0041] Working principle: This design is a wear-resistant ball valve. In actual use, when installing the valve ball 23 in the valve body 1, the valve ball 23 can be slowly pushed to the middle position in the valve body 1, and then the second limiting groove 29 above the rotating seat 33 is aligned with the second limiting slider 30, and the upper end of the rotating seat 33 is inserted into the second matching groove 28 to complete the position limit fixation of the bottom end of the valve ball 23, and then the first limiting groove 25 at the bottom end of the rotating rod 16 is aligned with the first limiting slider 26 in the first matching groove 27, and the bottom end of the rotating rod 16 is inserted into the first matching groove 27 at the upper end of the valve ball 23 to complete the internal limit fixation of the valve ball 23. The overall design makes the equipment simple to install the valve ball 23 in the valve body 1, and it is also easy to operate during disassembly. The operation is simple and the production and use costs are low. When controlling the valve, the hand crank 2 can be shaken by grasping the handle 3, so that the hand crank 2 can drive the worm 14 in the sleeve 10 to rotate, and then drive the bevel gear 15 meshing with the worm 14 to rotate. The rotating bevel gear 15 can drive the rotating rod 16. The first limiting slide groove 25 on the rotating rod 16 and the first limiting slide block 26 in the first matching groove 27 engage with each other, so that the rotating rotating rod 16 can drive the valve ball 23 to rotate in the valve body 1, and the rotation adjustment of the valve ball 23 is completed. The overall structural design makes the device adopt a longitudinal rotation method compared to the valve adjustment method of lateral rotation adjustment. The rotation adjustment method is more labor-saving and effectively improves the adjustment efficiency of the valve.

[0042] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A wear-resistant ball valve, comprising a valve body (1) and a pair of connecting parts (5), characterized in that: An upper fixed seat (7) is fixedly connected to the middle position of the upper end of the valve body (1), and a lower fixed seat (13) is fixedly arranged at the middle position of the bottom end of the valve body (1); a valve ball (23) is rotatably arranged at the middle position inside the valve body (1), and valve seats (21) are symmetrically fixedly arranged at positions on both sides of the valve body (1) near the valve ball (23), and a pair of the valve seats (21) and the valve ball (23) are sealed and slidably matched with each other. A second through groove (32) is opened at the middle position of the bottom end of the valve body (1), and the lower fixed seat ( The valve ball (23) and the second through groove (32) are sealed and slidably matched with each other, a second matching groove (28) is provided at the middle position of the bottom end of the valve ball (23), and a plurality of second limiting sliding blocks (30) are fixedly connected to the side of the second matching groove (28) at equal intervals, and the upper end of the lower fixed seat (13) is rotatably connected to a rotating seat (33), and the upper end of the rotating seat (33) is provided with second limiting sliding grooves (29) at positions corresponding to the plurality of second limiting sliding blocks (30), a plurality of second limiting sliding blocks (30) and a plurality of second limiting sliding grooves (29).

2. A wear-resistant ball valve according to claim 1, characterized in that: A guide column (9) is fixedly provided at the upper end of the upper fixed seat (7), and a base (12) is fixedly connected to the upper end of the guide column (9), and a sleeve (10) is fixedly connected to a side edge of the base (12), and the sleeve (10) and the base (12) are connected to each other, and a bevel gear (15) is connected to the base (12) for transverse rotation, and a worm (14) is connected to the sleeve (10) for longitudinal rotation, and the worm (14) and the bevel gear (15) are meshed with each other, and the bevel gear (15) is fixed at the middle position of the bottom end. A rotating rod (16) is connected, a first through groove (19) is provided at the upper side of the interior of the valve body (1), the rotating rod (16) and the first through groove (19) are sealingly and slidably matched with each other, a first matching groove (27) is provided at the middle position of the upper end of the valve ball (23), the bottom end of the rotating rod (16) and the first matching groove (27) are matched with each other, and a wear-resistant coating (24) is fixedly provided on the inner side of a pair of valve seats (21) and the surface of the valve ball (23), and the wear-resistant coating (24) is made of Ertalyte® PET-P material.

3. The wear-resistant ball valve according to claim 1, characterized in that: Second flanges (6) are fixedly connected at both ends of the valve body (1) and at one end of a pair of connecting members (5) close to the valve body (1), and a plurality of pairs of the second flanges (6) are sealed and connected to each other. A first flange (4) is fixedly connected at one end of a pair of connecting members (5) away from the valve body (1).

4. A wear-resistant ball valve according to claim 2, characterized in that: The front end of the sleeve (10) is rotatably connected to a hand wheel (2), a side position of the front end of the hand wheel (2) is rotatably connected to a handle (3), and the worm (14) and the hand wheel (2) are fixedly connected to each other.

5. The wear-resistant ball valve according to claim 1, characterized in that: A first mounting member (17) is fixedly connected to positions of a pair of valve seats (21) inside the valve body (1), a first matching member (18) is fixedly connected to positions of a pair of valve seats (21) corresponding to the pair of first mounting members (17), and the pair of first mounting members (17) and the pair of first matching members (18) are sealed and fixedly connected to each other.

6. The wear-resistant ball valve according to claim 1, characterized in that: A second matching piece (31) is fixedly connected to the middle position inside the second through groove (32), and the upper end of the lower fixing seat (13) and the second matching piece (31) are sealed with each other.

7. The wear-resistant ball valve according to claim 1, characterized in that: A water groove (20) is provided through the middle of the pair of valve seats (21), a through hole (22) is provided through the middle of the valve ball (23), and the pair of water grooves (20) and the through hole (22) cooperate with each other.

8. The wear-resistant ball valve according to claim 2, characterized in that: The bottom end of the guide column (9) is fixedly connected to a third flange (8), the third flange (8) and the upper fixing seat (7) are fixedly connected to each other, and the upper end of the base (12) is fixedly connected to an inspection plate (11).

9. The wear-resistant ball valve according to claim 2, characterized in that: A plurality of first limiting sliding grooves (25) are equidistantly provided at the side edge of the bottom end of the rotating rod (16); a first limiting sliding block (26) is fixedly connected to the inner side edge of the first matching groove (27) at positions corresponding to the plurality of first limiting sliding grooves (25); the plurality of first limiting sliding blocks (26) and the plurality of first limiting sliding grooves (25) are mutually limitedly matched.

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