Efficient sealing ball valve

Abstract

The utility model relates to the technical field of ball valves, in particular to an efficient sealing ball valve which comprises a metal pipe, a mounting hole is formed in the outer wall of the top end of the metal pipe, a valve fixing block is fixedly connected to the outer wall of the top end of the metal pipe, and a ball valve rotating shaft is rotationally arranged on the inner wall of the valve fixing block and the inner wall of the mounting hole. A large gear is fixedly connected to the outer wall of the top of the ball valve rotating shaft, a supporting gasket is fixedly connected to the outer wall of the top end of the valve fixing block, a protective cover is fixedly connected to the outer wall of the top end of the supporting gasket, a mounting groove is formed in the outer wall of one side of the top end of the supporting gasket, and a supporting rod is rotationally arranged on the inner wall of the mounting groove. The large gear is driven by the small gear to rotate, and the length of the force arm is telescopically controlled by the handle, so that the valve can be controlled more quickly and effortlessly, the phenomenon that the handle is directly connected with a rotating shaft of the ball valve and is easy to abrade to generate a gap due to misoperation is avoided, and the use efficiency of the sealing ball valve is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to ball valve technical field, specifically a kind of high-efficiency sealed ball valve. BACKGROUND

[0002] The drive form of metal hard sealing ball valve is in addition to electric drive, manual, worm gear rod transmission, pneumatic, etc., metal hard sealing ball valve is installed in the diameter direction of pipeline, in the cylindrical passage of hard sealing ball valve body, middle pass ball body rotates around axis to realize opening and closing.

[0003] According to the patent with the patent number CN221824523U, a kind of high-efficiency metal hard sealing ball valve is disclosed, handle is controlled metal ball valve rotation by screwing, wherein handle side is fixedly installed with handle anti-skid sleeve to enhance friction to make screwing more labor-saving, metal ball valve bottom end is fixedly installed with ball valve fixed shaft, and metal ball valve is firmly fixed in high-strength metal pipe inside, and the flow guide slope in high-strength metal pipe can reduce the collision of liquid in pipe to metal ball valve, and metal ball valve is fixedly installed with reinforcing protective layer inside to increase service life.

[0004] Based on the above search and combining prior art, it is found that the above-mentioned patent has certain defects. When opening and closing the ball valve, the metal ball valve is rotated by the handle, but the friction of the handle is increased by the anti-skid sleeve. The operation method saves limited effort, and the sealing operation of the ball valve is still laborious. The handle is directly connected with the ball valve rotating shaft, and improper operation can cause wear and tear and generate gaps, reducing the use efficiency of the sealing ball valve. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of high-efficiency sealed ball valve to solve the problems raised in the above background art.

[0006] The technical scheme of the utility model is as follows: a kind of high-efficiency sealed ball valve, including metal pipe, the top end outer wall of the metal pipe is equipped with mounting hole, the top end outer wall of the metal pipe is fixedly connected with valve fixed block, the inner wall of valve fixed block and mounting hole is rotatably provided with ball valve rotating shaft, the top outer wall of the ball valve rotating shaft is fixedly connected with large gear, the top end outer wall of the valve fixed block is fixedly connected with support washer, the top end outer wall of the support washer is fixedly connected with protective cover, the outer wall of one side of the top end of the support washer is equipped with installation slot, the inner wall of the installation slot is rotatably provided with support rod, the outer wall of the support rod is fixedly connected with small gear, the small gear and the large gear are engaged, the top outer wall of the support rod is fixedly connected with sleeve, the inner wall of the sleeve is slidably connected with handle, the outer wall of the handle is equipped with sliding slot, the two sides of the inner wall of the sleeve are fixedly connected with limit slide block.

[0007] Preferably, the limiting sliding block is slidably connected to the inner wall of the sliding groove, one side of the outer wall of the handle is provided with anti-skid lines, the rotating shaft of the ball valve is slidably connected to the inner wall of the protective cover, and the two outer walls of the metal pipe are provided with a plurality of connecting points.

[0008] Preferably, the inner wall of the metal pipe is fixedly connected with a valve seat, the bottom end of the outer wall of the rotating shaft of the ball valve is provided with a ball, and the ball is matched with the valve seat in size.

[0009] Preferably, the top end of the outer wall of the protective cover is fixedly connected with a sealing gasket, the sealing gasket is matched with the rotating shaft of the ball valve and the supporting rod in size, and the large gear and the small gear are slidably connected to the inner wall of the protective cover.

[0010] Preferably, the bottom end of the outer wall of the large gear is provided with a plurality of spherical grooves I, the inner wall of the spherical groove I is movably connected with a ball I, the bottom end of the outer wall of the small gear is provided with a plurality of spherical grooves II, the inner wall of the spherical groove II is movably connected with a ball II, and the ball I and the ball II are arranged in an annular array.

[0011] Compared with the prior art, the ball valve has the following improvements and advantages:

[0012] Firstly, the ball valve is provided with a large gear, a small gear, a rotating shaft of a ball valve, a handle and a sleeve, the sleeve on the supporting rod is rotated, the small gear drives the large gear to rotate, the output torque is large, the labor-saving effect is good, the handle is slidably arranged on the inner wall of the sleeve, when the supporting rod is rotated, the handle can be pulled, the overall length of the handle and the sleeve is increased, the force arm is increased, the structure is rotated more labor-savingly, the operation speed of the ball valve is further improved, the rotation of the large gear is driven by the small gear, the length of the force arm can be telescopic controlled by the handle, the control of the valve is faster and more labor-saving, and the phenomenon that the handle is directly connected with the rotating shaft of the ball valve and is easily abraded to generate a gap is avoided, and the use efficiency of the sealing ball valve is improved.

[0013] Secondly, the ball valve is provided with a sealing gasket, a supporting washer, a ball I, a ball II and a protective cover, the protective cover is arranged outside the large gear and the small gear to protect the structure, the sealing effect of the structure is further improved in cooperation with the sealing gasket and the supporting washer, the ball I and the ball II are arranged to reduce the friction between the gear and the supporting washer 11, and the practicability of the sealing ball valve is improved. BRIEF DESCRIPTION OF DRAWINGS

[0014] The utility model makes further explanation in connection with the drawings and examples:

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2It is the explosion schematic view of the protective cover connecting structure of the utility model;

[0017] Figure 3 It is the schematic view of the large gear connecting structure of the utility model;

[0018] Figure 4 It is the explosion schematic view of the sleeve connecting structure of the utility model.

[0019] Mark explanation:

[0020] 1, metal pipe;2, valve fixed block;3, connecting point;4, ball valve rotating shaft;5, protective cover;6, sleeve;7, handle;8, sealing gasket;9, large gear;10, pinion;11, support washer;12, ball one;13, ball two;14, sliding slot;15, limit sliding block;16, support rod. Specific implementation

[0021] The utility model is described in detail below, and the technical scheme in the embodiment of the utility model is clearly and completely described. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all. Based on the embodiment of the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor belong to the scope of protection of the utility model.

[0022] The utility model discloses a kind of high-efficiency sealing ball valves by improvement, and the technical scheme of the utility model is:

[0023] As Figures 1-4 As shown in a kind of high-efficiency sealing ball valve, including metal pipe 1, the top end outer wall of metal pipe 1 is equipped with mounting hole, the top end outer wall of metal pipe 1 is fixedly connected with valve fixed block 2, valve fixed block 2 and the inner wall of mounting hole are rotatably provided with ball valve rotating shaft 4, the top outer wall of ball valve rotating shaft 4 is fixedly connected with large gear 9, the top end outer wall of valve fixed block 2 is fixedly connected with support washer 11, the top end outer wall of support washer 11 is fixedly connected with protective cover 5, the outer wall of one side of support washer 11 top end is equipped with installation groove, the inner wall of installation groove is rotatably provided with support rod 16, the outer wall of support rod 16 is fixedly connected with pinion 10, pinion 10 and large gear 9 are engaged, the top end outer wall of support rod 16 is fixedly connected with sleeve 6, the inner wall of sleeve 6 is slidably connected with handle 7, the outer wall of both sides of handle 7 is equipped with sliding slot 14, the inner wall of both sides of sleeve 6 is fixedly connected with limit sliding block 15.

[0024] Further, the limiting sliding block 15 is slidingly connected to the inner wall of the sliding groove 14, one side of the outer wall of the handle 7 is provided with anti-skid lines, the ball valve rotating shaft 4 is slidingly connected to the inner wall of the protective cover 5, the outer wall of both sides of the metal pipe 1 is provided with a plurality of connecting points 3, the inner wall of the metal pipe 1 is fixedly connected with a valve seat, the bottom end of the outer wall of the ball valve rotating shaft 4 is provided with a ball, and the size of the ball is matched with the valve seat.

[0025] Further, the top end of the outer wall of the protective cover 5 is fixedly connected with a sealing gasket 8, the sealing gasket 8 is matched with the ball valve rotating shaft 4 and the supporting rod 16 in size, the large gear 9 and the small gear 10 are slidingly connected to the inner wall of the protective cover 5, a plurality of ball grooves one are formed in the bottom end of the outer wall of the large gear 9, the inner wall of the ball grooves one is movably connected with a plurality of ball bearings one 12, a plurality of ball grooves two are formed in the bottom end of the outer wall of the small gear 10, the inner wall of the ball grooves two is movably connected with a plurality of ball bearings two 13, the ball bearings one 12 and the ball bearings two 13 are arranged in an annular array, the protective cover 5 is arranged outside the large gear 9 and the small gear 10 to protect the structure, the sealing effect of the structure is further improved in cooperation with the sealing gasket 8 and the supporting gasket 11, and the friction between the gear and the supporting gasket 11 is reduced by arranging the ball bearings one 12 and the ball bearings two 13.

[0026] Working principle: when the high-efficiency sealing ball valve is used, the large gear 9 is arranged on the ball valve rotating shaft 4 of the ball valve body, the supporting rod 16 is arranged on one side of the supporting gasket 11 in a rotating mode, the small gear 10 meshing with the large gear 9 is arranged on the supporting rod 16, the large gear 9 can be driven to rotate by rotating the sleeve 6 on the supporting rod 16, the output torque is large, the labor-saving effect is good, the handle 7 is slidingly arranged on the inner wall of the sleeve 6, when the supporting rod 16 is pulled to rotate, the handle 7 can be pulled, so that the overall length of the handle 7 and the sleeve 6 is increased, the force arm is increased, the structure is rotated more labor-saving, the operation speed of the ball valve is further improved, the ball valve rotating shaft 4 is connected with the large gear 9, the stable rotation is not easy to be inclined and worn, the protective cover 5 is arranged outside the large gear 9 and the small gear 10 to protect the structure, the sealing effect of the structure is further improved in cooperation with the sealing gasket 8 and the supporting gasket 11, and the friction between the gear and the supporting gasket 11 is reduced by arranging the ball bearings one 12 and the ball bearings two 13.

[0027] The technical means disclosed in the utility model scheme is not only limited to the technical means disclosed in the above technical means, but also includes the technical scheme composed of the above technical features. The matters not covered in the utility model belong to the common knowledge of those skilled in the art.

Claims

1. A high-efficiency sealed ball valve comprising a metal pipe (1), characterized in that: The outer wall of the top end of the metal pipe (1) is provided with a mounting hole, the outer wall of the top end of the metal pipe (1) is fixedly connected with a valve fixing block (2), the valve fixing block (2) and the inner wall of the mounting hole are rotatably provided with a ball valve rotating shaft (4), the top outer wall of the ball valve rotating shaft (4) is fixedly connected with a large gear (9), the top outer wall of the valve fixing block (2) is fixedly connected with a supporting washer (11), the top outer wall of the supporting washer (11) is fixedly connected with a protective cover (5), the outer wall of one side of the top end of the supporting washer (11) is provided with a mounting groove, the inner wall of the mounting groove is rotatably provided with a supporting rod (16), the outer wall of the supporting rod (16) is fixedly connected with a small gear (10), the small gear (10) and the large gear (9) are engaged, the top outer wall of the supporting rod (16) is fixedly connected with a sleeve (6), the inner wall of the sleeve (6) is slidably connected with a handle (7), the outer walls of both sides of the handle (7) are provided with sliding grooves (14), and the inner walls of both sides of the sleeve (6) are fixedly connected with limiting sliding blocks (15).

2. A high efficiency sealed ball valve according to claim 1, characterized in that: The limiting sliding blocks (15) are slidably connected to the inner walls of the sliding grooves (14), the outer wall of one side of the handle (7) is provided with anti-skid lines, the ball valve rotating shaft (4) is slidably connected to the inner wall of the protective cover (5), and the outer walls of both sides of the metal pipe (1) are provided with a plurality of connecting points (3).

3. A high efficiency sealed ball valve according to claim 1, characterized in that: The inner wall of the metal pipe (1) is fixedly connected with a valve seat, the bottom outer wall of the ball valve rotating shaft (4) is provided with a ball, and the size of the ball is matched with the valve seat.

4. A high efficiency sealed ball valve according to claim 1, characterized in that: The top outer wall of the protective cover (5) is fixedly connected with a sealing gasket (8), the sealing gasket (8) is matched in size with the ball valve rotating shaft (4) and the supporting rod (16), and the large gear (9) and the small gear (10) are slidably connected to the inner wall of the protective cover (5).

5. A high sealing ball valve according to claim 1, characterized in that: The bottom outer wall of the large gear (9) is provided with a plurality of spherical grooves one, the inner walls of the spherical grooves one are movably connected with a plurality of ball bearings one (12), the bottom outer wall of the small gear (10) is provided with a plurality of spherical grooves two, the inner walls of the spherical grooves two are movably connected with a plurality of ball bearings two (13), and the ball bearings one (12) and the ball bearings two (13) are arranged in an annular array.

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