CN214197367U

CN214197367U - High-efficiency double-discharge ball valve

Info

Publication number: CN214197367U
Application number: CN202023284037.1U
Authority: CN
Inventors: 宋宣; 宋文俊
Original assignee: Jiangsu Xinghaoyuan Machinery Co ltd
Current assignee: Jiangsu Xinghaoyuan Machinery Co ltd
Priority date: 2020-12-29
Filing date: 2020-12-29
Publication date: 2021-09-14
Anticipated expiration: 2030-12-29

Abstract

The utility model relates to a high-efficiency double-discharge ball valve, which comprises a valve body, wherein two rotating cavities are arranged in the valve body, two ball valve cores are arranged in the rotating cavities, the two ball valve cores can bear the pressure at two ends of the valve body respectively, and the service life of the ball valve cores is prolonged, the utility model is provided with a connecting column at the top end of the ball valve core, the upper end surface of the connecting column is downwards provided with a connecting groove, a limiting groove is arranged in the connecting groove, the connecting column is connected with a valve rod through the matching of the limiting groove and a limiting block, the problem of easy loosening after long threaded connection time is avoided, the side wall of the valve rod is provided with a sliding groove, the limiting block is connected in the sliding groove through a spring, so that the limiting block can extend into the limiting groove to connect the valve rod with the connecting column, the utility model is provided with conical gears which are matched with each other at the top of the valve rod, and is connected with a rotating handle through a power shaft, the power is provided for the rotation of the ball valve core.

Description

High-efficiency double-discharge ball valve

Technical Field

The utility model relates to a double ball valve technical field that discharges specifically is a high efficiency double discharge ball valve.

Background

Ball valves (ball valve) come out in 50 s of the 20 th century, and with the rapid development of science and technology and the continuous improvement of production process and product structure, the ball valves have rapidly developed into a main valve class in short 40 years. In countries with developed western industries, the use of ball valves is continuously increasing year by year, and in China, ball valves are widely applied in industries such as petroleum refining, long-distance pipelines, chemical industry, paper making, pharmacy, water conservancy, electric power, municipal administration, steel and the like, and play a significant role in national economy. It has the action of rotatory 90 degrees, the cock body is the spheroid, there is circular through-hole or passageway through its axis, the ball valve mainly is used for cutting off in the pipeline, the flow direction of distribution and change medium, it only needs to close tightly with the operation of rotatory 90 degrees and very little turning moment, however, current ball valve is mostly single discharge ball valve, case among the single discharge ball valve bears two-way pressure, it is impaired easily, reduce life, in addition among the current ball valve, valve rod and the connection of case are many through threaded connection, threaded connection's mode is simple and convenient, but the time of a specified duration, the effect of the turning moment of torsion between valve rod and the case, it is not hard up to make easily to be connected between valve rod and the case, influence the switching compactness of ball valve.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two ball valves that discharge of high efficiency to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a high-efficiency double-discharge ball valve comprises a valve body, wherein a valve cavity is formed in the valve body, two rotating cavities are symmetrically formed in the inner wall of the valve cavity, two valve seats are symmetrically arranged in each rotating cavity from top to bottom, a ball valve core is arranged between the two valve seats, a flow guide hole is formed between the two end faces of the ball valve core along the axis, a connecting column is arranged at the top end of the ball valve core, the upper end face of the connecting column extends downwards to form a connecting groove, a limiting groove is formed in the side wall of the connecting groove and extends inwards, a valve rod is rotatably arranged on the valve body, a sliding groove is formed in the bottom end of the side wall of the valve rod inwards, a spring is arranged in the sliding groove, a limiting block is arranged at the outer end of the spring and is matched with the limiting groove, two conical gears which are matched with each other are arranged at the top of the sliding rod, and protective shells are arranged outside the two conical gears, the protective shell is rotatably provided with a power shaft, the power shaft is connected with the input end of the bevel gear, and the outer end part of the power shaft is provided with a rotating handle.

As a further aspect of the present invention: the top symmetry of valve body is provided with two fixing bases, two the fixing base cup joints the outside at two valve rods respectively, be provided with sealed bearing between valve rod and the power seat.

As a further aspect of the present invention: and a drain pipe is arranged on the side wall of the valve body between the two rotating cavities, and a drain valve is arranged on the drain pipe.

As a further aspect of the present invention: and mounting flanges are arranged at two ends of the valve body.

As a further aspect of the present invention: the both sides of valve body all are provided with the connector, the both ends of connector all are provided with flange, be provided with fastening bolt between mounting flange and the flange that is close to.

As a further aspect of the present invention: a supporting frame is arranged between the fixed seat and the protective shell.

As a further aspect of the present invention: the spacing groove is provided with four, and the even symmetry is located the spread groove respectively, the quantity and the position and the spacing groove phase-match of stopper.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses be provided with two rotation chambeies in the valve body, be provided with two spheroid case at the rotation intracavity, can bear the pressure at valve body both ends respectively, prolong the life of spheroid case, the utility model discloses be provided with the spliced pole on the top of spheroid case, be connected with the valve rod through the cooperation of spacing groove with the stopper on the spliced pole, avoided threaded connection time to have of a specified duration easy not hard up problem the spout has been seted up on the lateral wall of valve rod, there is the stopper through spring coupling in the spout, the stopper of being convenient for stretches into the spacing inslot, is connected valve rod and spliced pole, the utility model discloses be provided with the conical gear of mutually supporting at the top of valve rod to there is the rotation handle through the power shaft connection, provides power for the rotation of spheroid case.

Drawings

Fig. 1 is a cross-sectional view of the overall structure of a high-efficiency double-discharge ball valve according to the present invention;

FIG. 2 is an enlarged view of a portion of A;

fig. 3 is the overall structure front view of the high-efficiency double-discharge ball valve of the present invention.

In the figure: 1. a valve body; 2. a valve cavity; 3. a rotation chamber; 4. a valve seat; 5. a spherical valve core; 6. a flow guide hole; 7. connecting columns; 8. connecting grooves; 9. a limiting groove; 10. a valve stem; 11. a chute; 12. a spring; 13. a limiting block; 14. a bevel gear; 15. a protective shell; 16. a power shaft; 17. rotating the handle; 18. a fixed seat; 19. sealing the bearing; 20. a bleeder tube; 21. a drain valve; 22. installing a flange; 23. a connector; 24. a connecting flange; 25. fastening a bolt; 26. a support frame.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to fig. 3, in the embodiment of the present invention:

a high-efficiency double-discharge ball valve comprises a valve body 1, wherein a valve cavity 2 is formed in the valve body 1, two rotating cavities 3 are symmetrically formed in the inner wall of the valve cavity 2, two valve seats 4 are symmetrically formed in each rotating cavity 3 up and down, a ball valve core 5 is arranged between the two valve seats 4, a flow guide hole 6 is formed between the two end faces of the ball valve core 5 along the axis, a connecting column 7 is arranged at the top end of the ball valve core 5, a connecting groove 8 is formed in the upper end face of the connecting column 7 in a downward extending manner, a limiting groove 9 is formed in the side wall of the connecting groove 8 in an inward extending manner, a valve rod 10 is rotatably arranged on the valve body 1, a sliding groove 11 is formed in the bottom end of the side wall of the valve rod 10 in an inward extending manner, a spring 12 is arranged in the sliding groove 11, a limiting block 13 is arranged at the outer end part of the spring 12, the limiting block 13 is matched with the limiting groove 9, and two conical gears 14 which are matched with each other are arranged at the top part of the valve rod 10, protective shells 15 are arranged on the outer sides of the two conical gears 14, power shafts 16 are arranged on the protective shells 15 in a rotating mode, the power shafts 16 are connected with the input ends of the conical gears 14, and rotating handles 17 are arranged at the outer end portions of the power shafts 16.

In the embodiment of the present invention: the top symmetry of valve body 1 is provided with two fixing bases 18, two fixing base 18 cup joints the outside at two valve rods 10 respectively, be provided with sealed bearing 19 between valve rod 10 and the power seat, can fix and support valve rod 10, make the rotation of valve rod 10 more stable and smooth and easy simultaneously.

In the embodiment of the present invention: the lateral wall of the valve body 1 between the two rotating cavities 3 is provided with a drain pipe 20, the drain pipe 20 is provided with a drain valve 21, so that circulating media stored in the valve cavity 2 can be discharged in time, and the damage to the valve body 1 and the ball valve core 5 due to the extrusion of the circulating media caused by expansion with heat and contraction with cold is avoided.

In the embodiment of the present invention: and mounting flanges 22 are arranged at two ends of the valve body 1, so that the valve body 1 can be conveniently mounted.

In the embodiment of the present invention: the both sides of valve body 1 all are provided with connector 23, the both ends of connector 23 all are provided with flange 24, be provided with fastening bolt 25 between mounting flange 22 and the flange 24 that is close to, be convenient for through connector 23 and flange 24 and external pipe connection.

In the embodiment of the present invention: a supporting frame 26 is arranged between the fixed seat 18 and the protective shell 15, and the supporting frame 26 is used for supporting and fixing the protective shell 15.

In the embodiment of the present invention: spacing groove 9 is provided with four, and is located spread groove 8 of even symmetry respectively, stopper 13's quantity and position and spacing groove 9 phase-match for the connection between valve rod 10 and spliced pole 7 is more stable.

The utility model discloses a theory of operation is:

when the valve is used, one end of the connecting flange 24 is connected with an external pipeline, the other end of the connecting flange is connected with the mounting flange 22 through the fastening bolt 25, then the rotating handle 17 is rotated, the rotating handle 17 drives the power shaft 16 to rotate, the power shaft 16 drives the bevel gear 14 obliquely above to rotate, the valve rod 10 is driven to rotate through the matching of the two bevel gears 14, the valve rod 10 rotates to drive the limiting block 13 to rotate, the connecting column 7 is driven to rotate through the matching of the limiting block 13 and the limiting groove 9 as well as the matching of the valve rod 10 and the connecting groove 8, the connecting column 7 rotates to drive the ball valve core 5 to rotate between the valve seats 4, when the axial direction of the flow guide hole 6 is consistent with the axial direction of the valve body 1, the flowing media such as water flow or air flow pass through, when the axial direction of the flow guide hole 6 is perpendicular to the axial direction of the valve body 1, the flowing media are intercepted, the flow discharge pipe 20 is arranged in the utility model, when two spheroid case 5 were all in the closure, opened bleeder valve 21, derived the circulation medium in the valve pocket 2 between two spheroid case 5, avoided because of the influence of the circulation medium inflation that expend with heat and contract with cold and lead to valve body 1, the utility model discloses be provided with fixing base 18, be provided with sealing bearing 19 between fixing base 18 and the valve rod 10, can fix and support valve rod 10, make the rotation of valve rod 10 more stable and smooth and easy simultaneously, be provided with support frame 26 between fixing base 18 and the protecting crust 15, can provide the holding power to protecting crust 15.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a two ball valves that discharge of high efficiency, includes valve body (1), its characterized in that: a valve cavity (2) is formed in the valve body (1), two rotating cavities (3) are symmetrically formed in the inner wall of the valve cavity (2), two valve seats (4) are symmetrically arranged in each rotating cavity (3) up and down, a spherical valve core (5) is arranged between the two valve seats (4), a flow guide hole (6) is formed between the two end faces of the spherical valve core (5) along the axis, a connecting column (7) is arranged at the top end of the spherical valve core (5), a connecting groove (8) is formed in the upper end face of the connecting column (7) in a downward extending mode, a limiting groove (9) is formed in the side wall of the connecting groove (8) in an inward extending mode, a valve rod (10) is rotatably arranged on the valve body (1), a sliding groove (11) is formed in the bottom end of the side wall of the valve rod (10) in an inward extending mode, a spring (12) is arranged in the sliding groove (11), and a limiting block (13) is arranged at the outer end portion of the spring (12), the limiting block (13) is matched with the limiting groove (9), the top of the valve rod (10) is provided with two conical gears (14) which are matched with each other, the outer sides of the two conical gears (14) are provided with protective shells (15), power shafts (16) are arranged on the protective shells (15) in a rotating mode, the power shafts (16) are connected with the input ends of the conical gears (14), and the outer end portions of the power shafts (16) are provided with rotating handles (17).

2. A high efficiency dual discharge ball valve as defined in claim 1 wherein: the top of the valve body (1) is symmetrically provided with two fixed seats (18), the two fixed seats (18) are respectively sleeved on the outer sides of the two valve rods (10), and a sealing bearing (19) is arranged between the valve rods (10) and the power seat.

3. A high efficiency dual discharge ball valve as defined in claim 1 wherein: and a drain pipe (20) is arranged on the side wall of the valve body (1) between the two rotating cavities (3), and a drain valve (21) is arranged on the drain pipe (20).

4. A high efficiency dual discharge ball valve as defined in claim 1 wherein: and mounting flanges (22) are arranged at two ends of the valve body (1).

5. A high efficiency dual discharge ball valve as defined in claim 4 wherein: the two sides of the valve body (1) are provided with connectors (23), the two ends of each connector (23) are provided with connecting flanges (24), and fastening bolts (25) are arranged between the mounting flanges (22) and the connecting flanges (24) close to the mounting flanges.

6. A high efficiency dual discharge ball valve as defined in claim 2 wherein: a supporting frame (26) is arranged between the fixed seat (18) and the protective shell (15).

7. A high efficiency dual discharge ball valve as defined in claim 1 wherein: limiting grooves (9) are four in number, are uniformly and symmetrically located in the connecting grooves (8) respectively, and the number and the positions of the limiting blocks (13) are matched with the limiting grooves (9).