CN212107008U - Novel ball valve - Google Patents

Abstract

The utility model provides a novel ball valve belongs to valve technical field. It has solved current ball valve simple structure, can't regularly inspect the problem of its inside wearing and tearing condition. The utility model discloses a ball valve, which comprises a valve body, the valve rod, spheroid and handle, the spheroid is located the middle part in the valve body, the middle part of valve body perisporium is different in the position department of valve rod and has seted up a rectangle plane, set up the inside and outside rectangle through-hole that is linked together of messenger's valve body on this rectangle plane, this rectangle through-hole passes through the closing plate and seals, bilateral symmetry has seted up two right angle curved holes on the outer terminal surface of closing plate, two right angle curved holes are by one transversely set up and vertically set up the horizontal trompil that is linked together with the closing plate lateral wall and one and constitute with the vertical trompil that the outer terminal surface of closing plate is. The utility model has the advantages of can regularly observe the detection ball valve internal aspect, thereby in time change the spheroid after wearing and tearing and improve whole ball valve life greatly.

Description

A new type of ball valve

technical field

The utility model belongs to the technical field of valves, and relates to a ball valve, in particular to a novel ball valve.

Background technique

Ball valve, the opening and closing part (ball) is driven by the valve stem and rotates around the axis of the ball valve. Ball valves can be seen everywhere in life. The ball valves on the market are generally designed in one piece, and people cannot observe and detect the inside of the ball valve regularly. When the ball in the ball valve is worn to a certain extent, it will lead to leakage of liquid, thereby reducing the overall sealing performance. When the liquid leaks, you can only choose to replace the entire ball valve, but when the entire ball valve is disassembled, it is easy to damage the pipe fittings connected to it, which affects the secondary installation of the pipe fittings.

SUMMARY OF THE INVENTION

The purpose of the utility model is to solve the above problems existing in the prior art, and provide a new type of ball valve that can observe and detect the internal conditions of the ball valve regularly, and replace the worn ball in time, thereby greatly improving the service life of the entire ball valve.

The purpose of this utility model can be achieved through the following technical solutions: a new type of ball valve, including a valve body, a valve stem, a ball body and a handle, the ball body is located in the middle of the valve body, and the valve stem extends into the ball body and can be removed by the valve body. The handle is controlled to rotate, and it is characterized in that a rectangular plane is defined in the middle part of the peripheral wall of the valve body at a position different from the valve stem. The hole is sealed by a sealing plate, the inner end face of the sealing plate extends toward the valve body with an extension seat for rolling installation of the ball, and the position opposite to the extension seat on the peripheral wall of the valve body correspondingly extends the installation seat for ball rolling installation , the outer end surface of the sealing plate is provided with a sealing seat protruding outward, and the two ends of the sealing seat are respectively extended to the outside with a sealing extension part that fits with the plane of the valve body and plays a sealing role. Two right-angle bending holes are symmetrically opened on the outer end surface of the plate, and the two right-angle bending holes are composed of a transverse opening that is opened horizontally and communicated with the side wall of the sealing plate, and a longitudinal opening that is communicated with the outer end surface of the sealing plate. It consists of longitudinal openings, the transverse openings and the longitudinal openings are connected to each other, and each of the transverse openings is provided with a retractable telescopic block, and the front end of the retractable telescopic block protrudes out of the transverse opening, and the There are control rods that can move left and right to control the expansion and contraction of the telescopic block, and the control rods are clamped with the telescopic block. Spring, the outer end surface of the sealing seat in the sealing plate and the position corresponding to the two longitudinal openings are fixed with a limit plate for the limit installation of the outer end of the control rod, and a limit plate is opened in the limit plate A limit groove for the outer end of the control rod to pass through, the control rod can do lateral translation along the limit groove, when the rectangular through hole on the valve body is sealed by the sealing plate, the sealing plate, the valve body and the The telescopic blocks are fastened by fixing bolts.

In the above-mentioned novel ball valve, the extension seat is provided with an arc-shaped concave surface for rolling installation of the ball.

In the above-mentioned novel ball valve, when the rectangular through hole on the valve body is sealed by the sealing plate, the front end of the telescopic block protrudes into the valve body, and the front end of the telescopic block protrudes into the valve body is provided with a screw hole First, the seal extension parts at both ends of the sealing seat are provided with two screw holes corresponding to the first screw holes, the valve body is provided with three screw holes corresponding to the second screw holes, and the first screw holes , The second screw hole and the third screw hole are fastened by the above-mentioned fixing bolts.

In the above-mentioned novel ball valve, the valve body is provided with an extending groove into which the front end of the telescopic block extends.

In the above-mentioned novel ball valve, an abutment groove for one end of the telescopic spring to abut against is extended at the rear end of the transverse opening in the sealing plate.

In the above-mentioned novel ball valve, the inner end of the control rod is protruded with a snap projection, and the expansion block is provided with a snap slot for the snap projection to extend into the fixed snap connection.

In the above-mentioned new type of ball valve, the valve body and the sealing plate are sealed by a sealing ring, and the valve body and the sealing extension part and the position corresponding to the plane are sealed by the sealing ring. sealing ring.

Compared with the prior art, the valve body of the new ball valve is provided with a rectangular through hole, and the rectangular through hole is sealed and connected through a detachable sealing plate, and the user can observe and detect the internal situation of the valve body by regularly disassembling the sealing plate. , such as the wear of the sphere, and then the worn sphere can be replaced in time. When the sealing plate is removed, the sphere can also be removed to facilitate the user's replacement. When the sealing plate is assembled, the sphere will not be offset. . In addition, the sealing plate and the valve body are ingeniously connected, which has the advantages of simple structure, convenient operation and convenient installation.

Description of drawings

Figure 1 is a schematic cross-sectional structure diagram of the new ball valve.

Fig. 2 is an enlarged schematic view of the structure at A of Fig. 1 in the new ball valve.

In the figure, 1. valve body; 2. valve stem; 3. sphere; 4. handle; 5. rectangular plane; 6. rectangular through hole; 7. sealing plate; 8. extension seat; 9. mounting seat; 10. sealing Seat; 11. Sealing extension; 12. Horizontal opening; 13. Longitudinal opening; 14. Telescopic block; 15. Control rod; 16. Telescopic spring; 17. Limit plate; 18. Limit slot; 19. Fix Bolt; 20, arc-shaped concave surface; 21, extending into the groove; 22, abutting the groove; 23, card protrusion; 24, card groove; 25, sealing ring.

Detailed ways

The following are specific embodiments of the present utility model combined with the accompanying drawings to further describe the technical solutions of the present utility model, but the present utility model is not limited to these embodiments.

As shown in Figures 1 and 2, the new ball valve includes a valve body 1, a valve stem 2, a ball body 3 and a handle 4. The ball body 3 is located in the middle of the valve body 1, and the valve stem 2 extends into the ball body 3 and can be accessed by the handle 4. Control the rotation, control the rotation of the valve stem 2 through the handle 4 and then drive the ball 3 to rotate to realize the opening and closing effect of the water flow. A rectangular plane 5 is provided in the middle part of the peripheral wall of the valve body 1 at a position different from the valve stem 2, and the rectangular plane 5 is provided with A rectangular through hole 6 that communicates the inside and outside of the valve body 1. The rectangular through hole 6 is sealed by a sealing plate 7. The inner end surface of the sealing plate 7 extends toward the inside of the valve body 1 with an extension seat 8 for rolling installation of the ball 3. The valve body 1. A mounting seat 9 for rolling installation of the ball 3 is correspondingly extended on the inner peripheral wall at the position opposite to the extension seat 8. The valve stem 2 extends into the valve body 1, the mounting seat 9 and the ball 3 in turn and can be controlled by the handle 4 to rotate, sealing The outer end surface of the plate 7 is provided with a sealing seat 10 protruding outward, and the two ends of the sealing seat 10 are respectively extended to the outside with a sealing extension 11 that fits with the plane of the valve body 1 and plays a sealing role. The sealing plate 7 The outer end face is provided with two right-angle bending holes symmetrically left and right, and the two right-angle bending holes are composed of a transverse opening 12 opened horizontally and communicated with the side wall of the sealing plate 7 and a longitudinal opening and communicated with the outer end surface of the sealing plate 7. The longitudinal openings 13 are formed. The transverse openings 12 and the longitudinal openings 13 are connected to each other. A retractable telescopic block 14 is arranged in the transverse opening 12. The openings 13 are provided with control rods 15 that can move left and right to control the expansion and contraction of the telescopic block 14. The control rods 15 are clamped with the telescopic block 14, and a telescopic spring is installed in the lateral opening 12 at the rear end of the telescopic block 14. 16. In the sealing plate 7, the outer end surface of the sealing seat 10 and the positions corresponding to the two longitudinal openings 13 are fixed with a limit plate 17 for the limit installation of the outer end of the control rod 15. The limit plate 17 is provided with A limit groove 18 for the outer end of the control rod 15 to pass through. The control rod 15 can be laterally translated along the limit groove 18. When the rectangular through hole 6 on the valve body 1 is sealed by the sealing plate 7, the sealing plate 7. The valve body 1 and the telescopic block 14 are fastened by fixing bolts 19. The extension seat 8 is provided with an arc-shaped concave surface 20 for rolling installation of the ball 3, and the mounting seat 9 is also provided with a corresponding arc-shaped concave surface 20 for the ball. 3 Rolling installation.

In further detail, when the rectangular through hole 6 on the valve body 1 is sealed by the sealing plate 7, the front end of the telescopic block 14 extends into the valve body 1, and the front end of the telescopic block 14 extends into the valve body 1 with a screw hole. First, the sealing extension parts 11 at both ends of the sealing seat 10 are provided with a second screw hole corresponding to the first screw hole, and the valve body 1 is provided with a third screw hole corresponding to the second screw hole. The screw holes 3 are fastened by the above-mentioned fixing bolts 19. The valve body 1 is provided with an extension groove 21 for the front end of the telescopic block 14 to extend into, and the sealing plate 7 is located at the rear end of the horizontal opening 12. One end of the spring 16 abuts against the abutment groove 22 , one end of the telescopic spring 16 is welded to the inner end wall of the abutment groove 22 through an elastic sheet, and the other end is for the telescopic block 14 to abut against.

In further detail, the inner end of the control rod 15 is protruded with a clamping protrusion 23, and the telescopic block 14 is provided with a clamping groove 24 for the clamping protrusion 23 to extend into the fixed clamping connection, and the control rod 15 is clamped with the telescopic block 14, thereby controlling The rod 15 can drive the telescopic block 14 to move to realize the expansion and contraction of the telescopic block 14 .

In further detail, in order to improve the sealing performance, the valve body 1 and the sealing plate 7 are sealed by the sealing ring 25, and the position between the valve body 1 and the sealing extension 11 and the position corresponding to the plane is sealed by the sealing ring 25. The sealing ring 25 is sealed.

When assembling, put the two telescopic blocks 14 into the corresponding horizontal openings 12, and put the two control rods 15 into the corresponding longitudinal openings 13. The rear end of the telescopic block 14 abuts against the expansion spring 16, and the front end The outer end of the control rod 15 is pushed out of the horizontal opening 12, and the telescopic block 14 is correspondingly snapped with the control rod 15. Then the outer end of the control rod 15 is moved to move the control rod 15 backward, the telescopic spring 16 is compressed, and the telescopic block 14 also moves backward. , and the entire front end of the telescopic block 14 extends into the transverse opening 12, and then the sealing plate 7 is installed in the rectangular through hole 6 to seal the rectangular through hole 6. After the sealing plate 7 is installed, release the control rod 15. The spring 16 is reset, the telescopic block 14 is inserted into the insertion groove 21 of the valve body 1, and finally the sealing plate 7, the valve body 1 and the telescopic block 14 are locked by the fixing bolts 19 to complete the assembly.

When disassembling, just loosen the fixing bolts 19, and also move the control rod 15 backward to move the telescopic block 14 out of the slot 21 and into the transverse opening 12, and then take out the sealing plate 7 to complete the disassembly.

The specific embodiments described herein are merely illustrative of the spirit of the present invention. Those skilled in the art of the present invention can make various modifications or supplements to the described specific embodiments or replace them in similar ways, but will not deviate from the spirit of the present invention or go beyond the appended claims the defined range.

Claims (7)

1. A new type of ball valve, comprising a valve body (1), a valve stem (2), a sphere (3) and a handle (4), the sphere (3) is located in the middle of the valve body (1), and the The valve stem (2) extends into the ball body (3) and can be controlled to rotate by the handle (4). It is characterized in that a rectangular plane ( 5), the rectangular plane (5) is provided with a rectangular through hole (6) for connecting the inside and outside of the valve body (1), the rectangular through hole (6) is sealed by the sealing plate (7), the The inner end surface of the sealing plate (7) extends toward the inside of the valve body (1) with an extension seat (8) for rolling installation of the ball (3). The inner peripheral wall of the valve body (1) is opposite to the extension seat (8). A mounting seat (9) for rolling installation of the ball (3) extends correspondingly at the position, and a sealing seat (10) protrudes outwardly on the outer end surface of the sealing plate (7), and two sides of the sealing seat (10) are provided with a sealing seat (10). The ends are respectively extended to the outside with a sealing extension portion (11) that fits with the plane of the valve body (1) and plays a sealing role. The outer end surface of the sealing plate (7) is symmetrically provided with two right-angle bending holes. Both of the two right-angle bending holes consist of a transverse opening (12) opened horizontally and communicated with the side wall of the sealing plate (7), and a longitudinal opening (13) opened longitudinally and communicated with the outer end surface of the sealing plate (7). ), the transverse openings (12) and the longitudinal openings (13) communicate with each other, and the transverse openings (12) are provided with retractable telescopic blocks (14), and the retractable telescopic blocks ( 14) The front end extends out of the lateral opening (12), and the longitudinal opening (13) is provided with a control rod (15) that can move left and right for controlling the expansion and contraction of the telescopic block (14). The rod (15) is clamped with the telescopic block (14), and a telescopic spring (16) is installed at the rear end of the telescopic block (14) in the transverse opening (12). A limit plate (17) for the limit installation of the outer end of the control rod (15) is fixed on the outer end surface of the sealing seat (10) and at the positions corresponding to the two longitudinal openings (13). The plate (17) is provided with a limit groove (18) for the outer end of the control rod (15) to pass through. The control rod (15) can be laterally translated along the limit groove (18). When the rectangular through hole (6) on the body (1) is sealed by the sealing plate (7), the sealing plate (7), the valve body (1) and the telescopic block (14) are fastened by fixing bolts (19). 2 . A new type of ball valve according to claim 1 , wherein the extension seat ( 8 ) is provided with an arc-shaped concave surface ( 20 ) for rolling installation of the ball ( 3 ). 3 . 3. A new type of ball valve according to claim 1, characterized in that, when the rectangular through hole (6) on the valve body (1) is sealed by the sealing plate (7), the telescopic block (14) The front end portion of the telescopic block (14) extends into the valve body (1), the front end portion of the telescopic block (14) extending into the valve body (1) is provided with a screw hole 1, and the sealing extension portions (11) at both ends of the sealing seat (10) ) are provided with two screw holes corresponding to screw hole one, the valve body (1) is provided with screw holes three corresponding to screw hole two, the screw hole one, screw hole two and screw hole The third is fastened by the above-mentioned fixing bolts (19). 4 . A new type of ball valve according to claim 3 , characterized in that, the valve body ( 1 ) is provided with an extending groove ( 21 ) into which the front end of the telescopic block ( 14 ) extends. 5 . 5. A new type of ball valve according to claim 1, characterized in that a rear end of the sealing plate (7) located at the rear end of the transverse opening (12) is extended with a retractable spring (16) against which one end abuts. against the groove (22). 6. A new type of ball valve according to claim 1, characterized in that, a clamping protrusion (23) is protruded from the inner end of the control rod (15), and a clamping protrusion (23) is provided on the telescopic block (14). The protrusion (23) extends into the card slot (24) of the fixed card connection. 7. A new type of ball valve according to claim 1, characterized in that, the valve body (1) and the sealing plate (7) are sealed by a sealing ring (25) that acts as a seal, and the valve body The position between (1) and the sealing extension (11) and corresponding to the plane is sealed by a sealing ring (25) which plays a sealing role.

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