CN218598862U

CN218598862U - Ball valve

Info

Publication number: CN218598862U
Application number: CN202222980153.XU
Authority: CN
Inventors: 孙忠贵; 孙成盛; 孙晓敏
Original assignee: Jiangsu Oliwei Fluid Technology Co ltd
Current assignee: Jiangsu Oliwei Fluid Technology Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-03-10
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses a ball valve, the inner part of the main shell is rotationally connected with a spherical valve core, the center of the spherical valve core is provided with a through channel, the top of the main shell is provided with an electric driving component, and the electric driving component is fixedly spliced with the top end of the spherical valve core through a rotary rod passing through the main shell; a left shell and a right shell are fixed on two sides of the main shell through bolts penetrating through four corners of the main shell, a liquid inlet connector is integrally formed in the center of the left shell, and a liquid outlet connector is integrally formed in the center of the right shell; the main casing body is provided with a leaning ring leaning against the outer wall of the spherical valve core at the joint of the left casing body and the right casing body. The utility model discloses unscrewing the bolt, can taking off left casing and right casing respectively from the both ends of the main casing body, and then can take out the support that is located main casing body both sides and lean on the circle, open the electricity and drive the subassembly after that, take the swing arm out, realize the dismantlement to whole ball valve, make things convenient for the quick replacement of the inside damage part of ball valve, reduce use cost.

Description

Ball valve

Technical Field

The utility model relates to a ball valve technical field specifically is a ball valve.

Background

The ball valve, the opening and closing piece (ball) is driven by the valve rod and rotates around the axis of the ball valve. The hard seal V-shaped ball valve can also be used for regulating and controlling fluid, wherein a V-shaped ball core of the hard seal V-shaped ball valve and a metal valve seat of the build-up welding hard alloy have strong shearing force, and the hard seal V-shaped ball valve is particularly suitable for media containing fibers, tiny solid particles and the like. The multi-way ball valve can flexibly control the confluence, the diversion and the switching of the flow direction of the medium on the pipeline, and can close any channel to connect the other two channels. The ball valve should be generally installed horizontally in the pipe. The ball valve is divided into: pneumatic ball valves, electric ball valves, manual ball valves.

Most of ball valves in the prior art are of an integrated structure, for example, a ball valve in patent CN215980930U and a ball valve in patent CN213809155U, the ball valves in the above patents cannot be disassembled, and when parts such as an internal sealing member are damaged, the whole ball valve needs to be replaced, and the use cost is high, so that it is necessary to design a ball valve.

SUMMERY OF THE UTILITY MODEL

To the above situation, for overcoming prior art's defect, the utility model provides a ball valve unscrews the bolt, can take off left casing and right casing respectively from the both ends of the main casing body, and then can take out to be located the support of main casing body both sides and enclose, opens the electricity and drives the subassembly after that, takes the swing arm out, realizes the dismantlement to whole ball valve, makes things convenient for the quick replacement of ball valve internal damage part, reduces use cost.

In order to achieve the above object, the utility model provides a following technical scheme: a ball valve comprises a main shell, wherein a spherical valve core is rotatably connected inside the main shell, a through channel is formed in the center of the spherical valve core, an electric driving assembly is mounted at the top of the main shell, and the electric driving assembly is fixedly inserted into the top end of the spherical valve core through a rotary rod penetrating through the main shell;

a left shell and a right shell are fixed on two sides of the main shell through bolts penetrating through four corner positions of the main shell, a liquid inlet connector is integrally formed in the center of the left shell, and a liquid outlet connector is integrally formed in the center of the right shell;

the main casing body is installed with the junction of left casing and right casing respectively and leans on the circle of leaning on of ball-shaped valve core outer wall.

Preferably, a first sealing ring is fixed at the joint of the main shell, the left shell and the abutting ring, and a first sealing ring is fixed at the joint of the main shell, the right shell and the abutting ring.

Preferably, the inner wall of the abutting ring is provided with a telescopic groove, a sliding block is connected inside the telescopic groove in a sliding mode, the tail end of the sliding block is connected with the bottom of the telescopic groove through a supporting spring, and a sealing rubber ring in contact with the outer wall of the spherical valve core is bonded to the top of the sliding block.

Preferably, the outer wall of the sliding block is provided with a groove, and a second sealing ring in contact with the inner wall of the telescopic groove is clamped inside the groove.

Preferably, the electric driving assembly comprises a driving box, a servo motor, a screw rod, an internal thread sliding sleeve, a rack and a gear;

the top at the main casing body is fixed to the drive box, the top of swing arm is passed the drive box and is fixed with the gear, the gear is connected with the rack toothing of side, the rack is fixed on the outer wall of internal thread sliding sleeve, the internal thread sliding sleeve slides and is connected with the lead screw meshing in the inside of drive box, the lead screw rotates the inside of connecting at the drive box, the servo motor who is connected with the lead screw transmission is installed to the outer wall of drive box.

Preferably, the side of the internal thread sliding sleeve is connected with the movable end of the displacement sensor, the servo motor is provided with a microprocessor, the displacement sensor is electrically connected with the input end of the microprocessor, and the output end of the microprocessor is electrically connected with the servo motor.

Preferably, the displacement sensor adopts an RHM0300MD701S1B1101 linear displacement sensor, and the microprocessor adopts an S7-200PLC controller.

The beneficial effects of the utility model are that:

1. the left shell and the right shell can be taken down from the two ends of the main shell respectively by unscrewing the bolts, so that the abutting rings on the two sides of the main shell can be taken out, then the electric driving assembly is opened, the rotary rod is pulled out, the whole ball valve is disassembled, the damaged parts in the ball valve can be replaced quickly, and the use cost is reduced;

2. under the action of the supporting spring, the jacking sliding block moves towards the outer side of the telescopic groove, so that the sealing rubber ring is in close contact with the outer walls of the two sides of the spherical valve core, the sealing performance of the spherical valve core is improved, and the occurrence probability of leakage phenomenon is reduced;

3. the servo motor works to drive the screw rod to rotate, so that the rack arranged on the internal thread sliding sleeve is driven to move, the gear is driven to rotate, the spherical valve core is driven to rotate through the rotary rod, the spherical valve core is electrically opened and closed, and the control is convenient;

4. the displacement sensor is used for accurately monitoring the moving distance of the internal thread sliding sleeve so as to realize the accurate control of the rotation angle of the gear, facilitate the accurate control of the opening and closing angle of the spherical valve core and realize the accurate regulation of the flow.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

FIG. 1 is a schematic view of the overall three-dimensional structure of the present invention;

FIG. 2 is a schematic sectional plan view of the main body of the present invention;

FIG. 3 is an enlarged plan view of the area A of FIG. 2 according to the present invention;

fig. 4 is a schematic top plan view of the electric drive assembly of the present invention;

reference numbers in the figures: 1. a main housing; 2. a left housing; 3. a liquid inlet connector; 4. a right housing; 5. a liquid outlet connector; 6. a bolt; 7. an electric drive assembly; 8. a spherical valve core; 9. a channel; 10. rotating the rod; 11. an abutment ring; 12. a first seal ring; 13. a telescopic groove; 14. a support spring; 15. a slider; 16. a second seal ring; 17. sealing the rubber ring; 18. a drive cartridge; 19. a servo motor; 20. a screw rod; 21. an internal thread sliding sleeve; 22. a rack; 23. a gear; 24. a displacement sensor; 25. a microprocessor.

Detailed Description

In the following, only certain exemplary embodiments are briefly described. As those skilled in the art will recognize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. Accordingly, the drawings and description are to be regarded as illustrative in nature, and not as restrictive.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The technical solution of the present invention will be clearly and completely described with reference to the accompanying drawings.

Example one

Given by fig. 1 and fig. 2, the utility model provides the following technical solutions: a ball valve comprises a main shell 1, wherein a spherical valve core 8 is rotatably connected inside the main shell 1, a through channel 9 is formed in the center of the spherical valve core 8, an electric driving assembly 7 is installed at the top of the main shell 1, and the electric driving assembly 7 is fixedly inserted into the top end of the spherical valve core 8 through a rotary rod 10 penetrating through the main shell 1;

a left shell 2 and a right shell 4 are fixed on two sides of the main shell 1 through bolts 6 penetrating through four corners of the main shell 1, a liquid inlet connecting port 3 is integrally formed in the center of the left shell 2, and a liquid outlet connecting port 5 is integrally formed in the center of the right shell 4;

main casing body 1 installs respectively with the junction of left casing 2 and right casing 4 and leans on leaning on circle 11 by leaning on of 8 outer walls of spherical case, unscrew bolt 6, can take off left casing 2 and right casing 4 respectively from the both ends of main casing body 1, and then can take out the support that is located main casing body 1 both sides and encircle 11, open electricity after that and drive subassembly 7, take swing arm 10 out, realize the dismantlement to whole ball valve, make things convenient for the quick replacement of ball valve internal damage part, and use cost is reduced.

Preferably, a first sealing ring 12 is fixed at the joint of the main housing 1, the left housing 2 and the abutting ring 11, and a first sealing ring 12 is fixed at the joint of the main housing 1, the right housing 4 and the abutting ring 11, so that the sealing performance of the connection is improved.

Example two

Referring to fig. 2 and 3, as another preferred embodiment, the difference from the first embodiment is that a telescopic groove 13 is formed in the inner wall of the abutting ring 11, a slider 15 is slidably connected inside the telescopic groove 13, the tail end of the slider 15 is connected with the bottom of the telescopic groove 13 through a support spring 14, a sealing rubber ring 17 in contact with the outer wall of the ball valve core 8 is bonded to the top of the slider 15, and under the action of the support spring 14, the slider 15 is jacked to move towards the outer side of the telescopic groove 13, so that the sealing rubber ring 17 is in close contact with the outer walls on the two sides of the ball valve core 8, the sealing performance of the ball valve core 8 is improved, and the occurrence probability of a leakage phenomenon is reduced.

Preferably, the outer wall of slider 15 is seted up flutedly, and the inside joint of recess has the second sealing washer 16 with the contact of flexible inslot 13 inner wall, promotes the sealing performance that slider 15 and flexible inslot 13 are connected.

EXAMPLE III

Referring to fig. 1, 2 and 4, as another preferred embodiment, the difference from the first embodiment is that the electric drive assembly 7 comprises a drive box 18, a servo motor 19, a screw rod 20, an internally threaded sliding sleeve 21, a rack 22 and a gear 23;

the top at main casing body 1 is fixed to drive box 18, the top of swing arm 10 is passed drive box 18 and is fixed with gear 23, gear 23 is connected with the rack 22 meshing of side, rack 22 is fixed on the outer wall of internal thread sliding sleeve 21, internal thread sliding sleeve 21 slides and is connected with the meshing of lead screw 20 in the inside of drive box 18, lead screw 20 rotates the inside of connecting at drive box 18, servo motor 19 of being connected with the transmission of lead screw 20 is installed to the outer wall of drive box 18, servo motor 19 works, it is rotatory to drive lead screw 20, thereby the rack 22 of drive installation on internal thread sliding sleeve 21 removes, and then it is rotatory to drive gear 23, then drive ball valve core 8 through swing arm 10 and rotate, realize that ball valve core 8's electronic opening and shutting, it is convenient to control.

Example four

Referring to fig. 1 and 4, as another preferred embodiment, the difference from the third embodiment is that the side of the internal thread sliding sleeve 21 is connected to the movable end of the displacement sensor 24, the servo motor 19 is provided with the microprocessor 25, the displacement sensor 24 is electrically connected to the input end of the microprocessor 25, the output end of the microprocessor 25 is electrically connected to the servo motor 19, and the displacement sensor 24 is arranged to accurately monitor the moving distance of the internal thread sliding sleeve 21, so as to accurately control the rotation angle of the gear 23, facilitate the accurate control of the opening and closing angle of the spherical valve core 8, and realize the accurate adjustment of the flow rate.

Preferably, the displacement sensor 24 is an RHM0300MD701S1B1101 linear displacement sensor, and the microprocessor 25 is an S7-200PLC controller.

The working principle is as follows:

unscrew bolt 6, can take off left casing 2 and right casing 4 respectively from the both ends of main casing body 1, and then can take out the support that is located main casing body 1 both sides and enclose 11, open the subassembly 7 of driving electrically after that, take out swing arm 10, realize the dismantlement to whole ball valve, make things convenient for the quick replacement of ball valve internal damage part, reduce use cost.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a ball valve, includes main casing body (1), the inside rotation of main casing body (1) is connected with spherical case (8), the center department of spherical case (8) has seted up passageway (9) that link up, its characterized in that: the top of the main shell (1) is provided with an electric driving assembly (7), and the electric driving assembly (7) is fixedly inserted into the top end of the spherical valve core (8) through a rotary rod (10) penetrating through the main shell (1);

a left shell (2) and a right shell (4) are fixed on two sides of the main shell (1) through bolts (6) penetrating through four corner positions of the main shell (1), a liquid inlet connecting port (3) is integrally formed in the center of the left shell (2), and a liquid outlet connecting port (5) is integrally formed in the center of the right shell (4);

the main casing body (1) is respectively provided with a propping ring (11) which props against the outer wall of the spherical valve core (8) at the joint of the left casing body (2) and the right casing body (4).

2. A ball valve according to claim 1, wherein: the main casing body (1), left casing (2) and the junction that leans on circle (11) are fixed with first sealing washer (12), main casing body (1), right casing (4) and the junction that leans on circle (11) are fixed with first sealing washer (12).

3. A ball valve according to claim 1, wherein: the inner wall of the abutting ring (11) is provided with a telescopic groove (13), a sliding block (15) is connected to the inner portion of the telescopic groove (13) in a sliding mode, the tail end of the sliding block (15) is connected with the bottom of the telescopic groove (13) through a supporting spring (14), and a sealing rubber ring (17) in contact with the outer wall of the spherical valve core (8) is bonded to the top of the sliding block (15).

4. A ball valve according to claim 3, wherein: the outer wall of the sliding block (15) is provided with a groove, and a second sealing ring (16) which is in contact with the inner wall of the telescopic groove (13) is clamped in the groove.

5. A ball valve according to claim 1, wherein: the electric driving assembly (7) comprises a driving box (18), a servo motor (19), a screw rod (20), an internal thread sliding sleeve (21), a rack (22) and a gear (23);

the top at main casing body (1) is fixed in drive box (18), the top of swing arm (10) is passed drive box (18) and is fixed with gear (23), gear (23) are connected with rack (22) meshing of side, rack (22) are fixed on the outer wall of internal thread sliding sleeve (21), internal thread sliding sleeve (21) slide and are connected with lead screw (20) meshing in the inside of drive box (18), lead screw (20) rotate to be connected in the inside of drive box (18), servo motor (19) of being connected with lead screw (20) transmission are installed to the outer wall of drive box (18).

6. A ball valve according to claim 5, wherein: the side of internal thread sliding sleeve (21) is connected with the expansion end of displacement sensor (24), install microprocessor (25) on servo motor (19), displacement sensor (24) electric connection microprocessor (25)'s input, microprocessor (25)'s output electric connection servo motor (19).

7. A ball valve according to claim 6, wherein: the displacement sensor (24) adopts an RHM0300MD701S1B1101 linear displacement sensor, and the microprocessor (25) adopts an S7-200PLC controller.