Side-mounted C-shaped ball valve

Abstract

The utility model relates to a side-mounted C-shaped ball valve which comprises a valve body, the top of the valve body is fixedly connected with a valve cover, the inner side of the valve cover is movably connected with a valve rod, the lower end of the valve rod is fixedly connected with a ball body, the ball body is movably connected to the middle of an inner cavity of the valve body, and the upper end face of the valve rod is fixedly connected with a hand wheel. Through mutual cooperation of all the components, the twisting handle can be twisted to enable the valve seat to move rightwards, the valve seat drives the sealing ring to move rightwards, the sealing ring is not attached to the ball any more, the ball does not rub the sealing ring and the valve seat when rotating, damage caused by friction of the ball to the sealing ring and the valve seat is reduced, and therefore the service life of the sealing ring and the service life of the valve seat are prolonged. And when the ball valve is closed, the valve seat can drive the sealing block to move leftwards, so that the sealing block is inserted into the second circulation opening to block the second circulation opening, the medium cannot penetrate through the second circulation opening, and the sealing effect after the ball valve is closed is further improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve technical field, in particular to a kind of side-mounted C type ball valve. BACKGROUND

[0002] C type ball valve is a kind of ball valve with special structure, its feature is that part of aperture (C shape) is designed on valve ball, this design makes C type ball valve not only have opening and closing function, also have the ability of regulating flow, C type ball valve controls the flow of medium by rotating valve core.When valve core rotates to parallel with pipeline axis, medium can pass smoothly;And when valve core rotates 90 degrees, makes C type opening and pipeline axis vertical, valve core will cut off medium, realizes the closing of valve.

[0003] At present, ball valve is sealed by ball and valve seat, ball rotates and will generate friction with valve seat sealing surface, is easy to cause the wear of ball surface and valve seat sealing surface, to influence sealing performance. UTILITY MODEL CONTENTS

[0004] The utility model is to provide a kind of side-mounted C type ball valve, to solve the problem mentioned in the above background technique.

[0005] The utility model discloses a kind of side-mounted C type ball valve, including valve body, the top of the valve body is fixedly connected with valve cover, the inner side of the valve cover is movably connected with valve rod, the lower end of the valve rod is fixedly connected with ball, the ball is movably connected in the middle part of valve body inner cavity, the upper end surface of the valve rod is fixedly connected with hand wheel, the right side of the valve body inner cavity is water inlet chamber, the left side of the valve body inner cavity is water outlet chamber, the left side in the water inlet chamber is equipped with valve seat, the top and bottom of the valve seat are equipped with first flow-through opening, the rim of the left side of the valve seat is fixedly connected with sealing ring, the left side of the sealing ring is in line with the right side box of ball, the top surface of the water inlet chamber is equipped with first movable slot, the left and right sides of the first movable slot are coaxially connected with screw rod, the left end of the surface of the screw rod is threadedly connected with first movable block, the bottom of the first movable block is penetrated into the water inlet chamber, the bottom of the left side of the first movable block is fixedly connected with first connecting block, the left side of the first connecting block is fixedly connected with the top of the right side of valve seat.

[0006] In an embodiment, the right side of the valve body top is equipped with movable hole, the movable hole is communicated with first movable slot, bearing connection is carried out in the movable hole with connecting shaft, the lower end of the connecting shaft is penetrated into first movable slot, the lower end surface of the connecting shaft is fixedly connected with driving bevel gear, the left end of the surface of the screw rod is fixedly sleeved with driven bevel gear, the driving bevel gear and driven bevel gear are mutually engaged, the upper end surface of the connecting shaft is fixedly connected with handle.

[0007] In one embodiment, the movable hole is sleeved with a sealing ring, and the middle part of the connecting shaft is movably sleeved in the sealing ring.

[0008] In one embodiment, the top surface of the water inlet cavity is provided with a second movable groove, the left and right sides of the second movable groove are fixedly connected with guide rods, the left end of the surface of the guide rod is movably sleeved with a second movable block, the bottom of the second movable block penetrates into the water inlet cavity, the top of the left side of the second movable block is fixedly connected with a second connecting block, and the left side of the second connecting block is fixedly connected with the bottom of the right side of the valve seat.

[0009] In one embodiment, the water inlet cavity is fixedly connected with a connecting plate, the connecting plate is located on the right side of the valve seat, the middle part of the connecting plate is provided with a second flow-through opening, and the second flow-through opening is inserted with a sealing block.

[0010] In one embodiment, the middle part of the right side of the valve seat is fixedly connected with a connecting rod, the right end of the connecting rod is movably sleeved in the second flow-through opening, and the right side of the connecting rod is fixedly connected with the left side of the sealing block.

[0011] The beneficial effects of the utility model are:

[0012] Through mutual cooperation between various components, the valve seat can be moved to the right by twisting the handle, the sealing ring is moved to the right by the valve seat, the sealing ring is no longer attached to the ball, the ball does not rub the sealing ring and the valve seat when rotating, the damage of the sealing ring and the valve seat caused by the ball is reduced, the service life of the sealing ring and the valve seat is prolonged, and when the ball valve is closed, the sealing block is moved to the left by the valve seat, the sealing block is inserted into the second flow-through opening, the second flow-through opening is blocked, the medium cannot pass through the second flow-through opening, and the sealing effect of the ball valve after being closed is further improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the front view of the utility model;

[0014] Figure 2 It is the main sectional view of the utility model;

[0015] Figure 3 It is Figure 2 It is the structure enlarged view of the middle A;

[0016] Figure 4 It is Figure 2 It is the structure enlarged view of the middle B;

[0017] Figure 5 It is the main sectional view of the connecting plate.

[0018] In the drawings, 1, valve body; 2, valve cover; 3, valve stem; 4, ball; 5, water inlet cavity; 6, water outlet cavity; 7, valve seat; 8, first flow-through opening; 9, sealing ring; 10, first movable groove; 11, screw rod; 12, first movable block; 13, first connecting block; 14, movable hole; 15, connecting shaft; 16, driving bevel gear; 17, driven bevel gear; 18, handle; 19, sealing ring; 20, second movable groove; 21, guide rod; 22, second movable block; 23, second connecting block; 24, connecting plate; 25, second flow-through opening; 26, sealing block; 27, connecting rod. DETAILED DESCRIPTION

[0019] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The technical scheme of the utility model will be further described below in combination with the drawings of the embodiments of the utility model. The utility model is not limited to the following specific embodiments.

[0020] It should be understood that the same or similar reference numerals in the drawings of the embodiments correspond to the same or similar components. In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", "top" and "bottom" is based on the orientation or position relationship shown in the drawings, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, therefore, the terms describing the position relationship in the drawings are only used for exemplary illustration, and cannot be understood as a limitation on the patent. For ordinary skilled persons in the art, the specific meaning of the above terms can be understood according to the specific circumstances.

[0021] In one embodiment, as shown in Figures 1-5 A side-mounted C-type ball valve includes a valve body 1, the top of the valve body 1 is fixedly connected with a valve cover 2, the inner side of the valve cover 2 is movably connected with a valve stem 3, the lower end of the valve stem 3 is fixedly connected with a ball 4, the ball 4 is movably connected in the middle of the inner cavity of the valve body 1, the upper end surface of the valve stem 3 is fixedly connected with a hand wheel, the right side of the inner cavity of the valve body 1 is a water inlet cavity 5, the left side of the inner cavity of the valve body 1 is a water outlet cavity 6, the left side in the water inlet cavity 5 is provided with a valve seat 7, the top and the bottom of the valve seat 7 are both provided with a first flow-through opening 8, the edge of the left side of the valve seat 7 is fixedly connected with a sealing ring 9, the left side of the sealing ring 9 is in close contact with the right side of the box of the ball 4, the top surface of the water inlet cavity 5 is provided with a first movable groove 10, the left and right sides of the first movable groove 10 are jointly connected with a screw rod 11 through bearings, the left end of the surface of the screw rod 11 is threadedly connected with a first movable block 12, the bottom of the first movable block 12 penetrates into the water inlet cavity 5, the bottom of the left side of the first movable block 12 is fixedly connected with a first connecting block 13, the left side of the first connecting block 13 is fixedly connected with the top of the right side of the valve seat 7.

[0022] In order to facilitate the rotation of the screw rod 11 outside the valve body 1, the right side of the top of the valve body 1 is provided with a movable hole 14, which is in communication with the first movable slot 10. The bearing in the movable hole 14 is connected with a connecting shaft 15, the lower end of the connecting shaft 15 penetrates into the first movable slot 10, the lower end surface of the connecting shaft 15 is fixedly connected with a driving bevel gear 16, the left end of the surface of the screw rod 11 is fixedly sleeved with a driven bevel gear 17, the driving bevel gear 16 and the driven bevel gear 17 are meshed with each other, and the upper end surface of the connecting shaft 15 is fixedly connected with a handle 18.

[0023] In order to improve the sealing performance of the connecting shaft 15 connected in the movable hole 14, a sealing ring 19 is fixedly sleeved in the movable hole 14, and the middle part of the connecting shaft 15 is movably sleeved in the sealing ring 19.

[0024] In order to limit the valve seat 7 and prevent it from rotating with the screw rod 11, the top surface of the water inlet cavity 5 is provided with a second movable slot 20, the left and right sides of the second movable slot 20 are fixedly connected with a guide rod 21, the left end of the surface of the guide rod 21 is movably sleeved with a second movable block 22, the bottom of the second movable block 22 penetrates into the water inlet cavity 5, the top of the left side of the second movable block 22 is fixedly connected with a second connecting block 23, and the left side of the second connecting block 23 is fixedly connected with the bottom of the right side of the valve seat 7.

[0025] In order to seal the inside of the valve body 1 when the ball valve is closed, improve the sealing performance after the ball valve is closed, a connecting plate 24 is fixedly connected in the water inlet cavity 5, the connecting plate 24 is located on the right side of the valve seat 7, a second flow-through opening 25 is formed in the middle part of the connecting plate 24, and a sealing block 26 is inserted into the second flow-through opening 25.

[0026] In order to enable the sealing block 26 to move left and right with the valve seat 7, a connecting rod 27 is fixedly connected to the middle part of the right side of the valve seat 7, the right end of the connecting rod 27 is movably sleeved in the second flow-through opening 25, and the right side of the connecting rod 27 is fixedly connected with the left side of the sealing block 26.

[0027] Working principle: the utility model for use, first twist handle 18 makes connecting shaft 15 rotate, connecting shaft 15 drives driving cone gear 16 rotation, driving cone gear 16 drive driven cone gear 17 rotation, driven cone gear 17 drive screw rod 11 rotation, screw rod 11 rotation makes first movable block 12 move right, first movable block 12 drive first connecting block 13 move right, first connecting block 13 drive valve seat 7 move right, valve seat 7 drive sealing ring 9 move right, make sealing ring 9 no longer with ball 4 and paste, at this moment rotation valve stem 3 makes ball 4 rotate, ball 4 when rotating will not rub sealing ring 9 and valve seat 7, reduce sealing ring 9 and the damage of valve seat 7 by ball 4 friction causes, to improve the service life of sealing ring 9 and valve seat 7, when ball valve closes, twist handle 18 makes valve seat 7 move left, valve seat 7 drive sealing ring 9 move left, make sealing ring 9 with ball 4 and paste, increase sealing effect, valve seat 7 move left will drive connecting rod 27 move left, connecting rod 27 drive sealing block 26 move left, make sealing block 26 insert into second flow-through opening 25, block up second flow-through opening 25, make medium unable from second flow-through opening 25 pass through, further improve the sealing effect after ball valve closes.

[0028] The technical features of the above embodiments can be combined arbitrarily, and to make the description concise, not all possible combinations of the technical features in the above embodiments are described, however, as long as the combinations of the technical features do not exist contradictory, it should be considered that the description is within the scope of the present application.

[0029] The above embodiments only express several implementation manners of the utility model, and the description is more specific and detailed, but it should not be understood as the limitation of the scope of the utility model patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the utility model, a number of variations and improvements can be made, which all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A side-mounted C-type ball valve, characterized by, The utility model provides a valve, including valve body, the top fixed connection of valve body has valve cover, the inboard activity of valve cover connects valve rod, the lower end fixed connection of valve rod has sphere, sphere activity connects in the middle part of valve body inner chamber, the upper end surface fixed connection of valve rod has hand wheel, the right side of valve body inner chamber is water inlet chamber, the left side of valve body inner chamber is water outlet chamber, the left side of water inlet chamber is equipped with valve seat, the top and bottom of valve seat all are equipped with first flow through opening, the rim of valve seat left side fixed connection has sealing ring, the left side of sealing ring and the right side box of sphere are pasted together, the top surface of water inlet chamber is equipped with first movable slot, the left and right sides of first movable slot are bearingly connected with screw rod, the left end screw thread of screw rod's surface is connected with first movable block, the bottom of first movable block is passed to water inlet chamber, the bottom fixed connection of first movable block left side has first connecting block, the left side of first connecting block and the top fixed connection of valve seat right side.

2. A side-mounted C-ball valve according to claim 1, characterized in that: The right side of valve body top is equipped with movable hole, movable hole is connected with first movable slot, bearing connection has connecting shaft in movable hole, the lower end of connecting shaft is passed to first movable slot, the lower end surface fixed connection of connecting shaft has driving bevel gear, the left end fixed sleeve of screw rod surface has driven bevel gear, driving bevel gear and driven bevel gear are engaged with each other, the upper end surface fixed connection of connecting shaft has torsion handle.

3. A side-mounted C-ball valve as claimed in claim 2, characterized in that: Movable hole is fixedly sleeved with sealing ring, the middle part of connecting shaft is movably sleeved in sealing ring.

4. A side-mounted C-ball valve as claimed in claim 1, characterized in that: The top surface of water inlet chamber is equipped with second movable slot, the left and right sides of second movable slot are fixedly connected with guide rod, the left end movable sleeve of guide rod's surface has second movable block, the bottom of second movable block is passed to water inlet chamber, the top fixed connection of second movable block left side has second connecting block, the left side of second connecting block and the bottom fixed connection of valve seat right side.

5. A side-mounted C-ball valve as claimed in claim 1, characterized in that: The water inlet chamber is fixedly connected with the connecting plate, the connecting plate is located on the right side of the valve seat, the middle part of the connecting plate is provided with a second flow-through opening, and the second flow-through opening is inserted with a sealing block.

6. A side-mounted C-ball valve as claimed in claim 5, characterized in that: The right side of the valve seat is fixedly connected with the connecting rod, the right end of the connecting rod is movably sleeved in the second flow-through opening, and the right side of the connecting rod is fixedly connected with the left side of the sealing block.

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