CN116608282B - C-shaped ball valve - Google Patents

C-shaped ball valve Download PDF

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Publication number
CN116608282B
CN116608282B CN202310479018.3A CN202310479018A CN116608282B CN 116608282 B CN116608282 B CN 116608282B CN 202310479018 A CN202310479018 A CN 202310479018A CN 116608282 B CN116608282 B CN 116608282B
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CN
China
Prior art keywords
ring seat
valve
rod
adjusting ring
driving
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202310479018.3A
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Chinese (zh)
Other versions
CN116608282A (en
Inventor
刘飞飞
陈长青
陈永源
陈盛亿
李军
崔远明
陈盛金
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ticos Technology Group Lishui Fluid Equipment Co ltd
Original Assignee
Ticos Technology Group Lishui Fluid Equipment Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Ticos Technology Group Lishui Fluid Equipment Co ltd filed Critical Ticos Technology Group Lishui Fluid Equipment Co ltd
Priority to CN202310479018.3A priority Critical patent/CN116608282B/en
Publication of CN116608282A publication Critical patent/CN116608282A/en
Application granted granted Critical
Publication of CN116608282B publication Critical patent/CN116608282B/en
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0605—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor with particular plug arrangements, e.g. particular shape or built-in means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K27/00—Construction of housing; Use of materials therefor
    • F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
    • F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0647—Spindles or actuating means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
    • F16K5/0663—Packings
    • F16K5/0689—Packings between housing and plug
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
    • F16K5/08—Details
    • F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
    • F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
    • F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Electrically Driven Valve-Operating Means (AREA)

Abstract

The application belongs to the technical field of valves, and particularly relates to a C-shaped ball valve, which comprises: valve body, inlet, liquid outlet, case, valve rod, first drive part, adjustable disk seat, second drive part, adjustable disk seat includes: the fixed ring seat and the adjusting ring seat are arranged on the inner wall of the valve body; the first end of the adjusting ring seat can penetrate through the fixed ring seat to form a sealing pair with the valve core, and the adjusting ring seat can axially move relative to the fixed ring seat; the second driving part is used for driving the adjusting ring seat to be close to or far away from the valve core; when the adjusting ring seat is contacted with the valve core, the valve rod cannot be driven, and when the adjusting ring seat is far away from the valve core, the valve rod can be driven.

Description

C-shaped ball valve
Technical Field
The application belongs to the technical field of valves, and particularly relates to a C-shaped ball valve.
Background
The C-shaped ball valve is widely applied to industries such as chemical industry, hospitals, petroleum and the like in daily life; in the valve, the valve seat is used for supporting the valve core at the fully closed position and forming a sealing pair; at present, in a C-shaped ball valve, the position of a valve seat is usually fixed, and in the rotation process of a valve core, the valve core is contacted with the valve seat, so that the contact sealing surface of the valve core and the valve seat is easily worn, the tightness of the C-shaped ball valve can be influenced for a long time, and the valve is leaked.
Disclosure of Invention
The application aims at solving the technical problems, and provides a C-shaped ball valve, wherein the valve seat is designed into an adjustable structure, and the valve seat is separated from the valve core before the valve is opened or closed, so that the sliding abrasion between the valve seat and the valve core is reduced, and the service life of the valve is prolonged.
In view of this, the present application provides a C-shaped ball valve comprising:
the valve body is provided with a liquid inlet and a liquid outlet, a valve core is arranged in the valve body, the valve core is connected with a valve rod, and the valve rod is connected with a first driving part for driving the valve rod to rotate;
further comprising an adjustable valve seat and a second drive member, the adjustable valve seat comprising:
the fixed ring seat is arranged on the inner wall of the valve body;
the first end of the adjusting ring seat can penetrate through the fixed ring seat and the valve core to form a sealing pair, and the adjusting ring seat can axially move relative to the fixed ring seat;
the second driving part is used for driving the adjusting ring seat to be close to or far away from the valve core;
when the adjusting ring seat is contacted with the valve core, the valve rod cannot be driven, and when the adjusting ring seat is far away from the valve core, the valve rod can be driven.
In the technical scheme, under the action of the second driving part, the adjusting ring seat can axially move relative to the fixed ring seat to realize approaching or keeping away from the valve core, when the adjusting ring seat approaches to the valve core, the adjusting ring seat can be matched with the outer wall of the valve core to form a sealing pair, the tightness of the C-shaped ball valve in a closed state is ensured, when the adjusting ring seat is kept away from the valve core, the adjusting ring seat is separated from the valve core, the first driving part is controlled to drive the valve rod to rotate, so that the valve core is rotated to realize opening or closing of the valve, and only after the adjusting ring seat is kept away from the valve core, the first driving part can work, thus ensuring that no abrasion occurs between the valve core and the adjusting ring seat when the valve is opened and closed each time
In the above technical scheme, the first driving part comprises a first motor and a gear box, an output shaft of the first motor is connected with an input end of the gear box, and an output end of the gear box is connected with the valve rod.
In the above-described aspect, the second driving part includes:
the driving block is arranged between the fixed ring seat and the adjusting ring seat, the side wall of one side of the driving block, which is close to the adjusting ring seat, is an inclined surface, and when the driving block is radially close to the adjusting ring seat, the adjusting ring seat is far away from the valve core;
the two ends of the reset spring are respectively connected with the fixed ring seat and the adjusting ring seat, when the adjusting ring seat is contacted with the valve core, the reset spring is in a stretched state, and the reset spring is stretched continuously in the process that the adjusting ring seat moves in the direction away from the valve core;
the lower end of the longitudinal moving rod is connected with the driving block, a longitudinal moving groove communicated with the outside is formed in the inner wall of the valve body, and the upper end of the longitudinal moving rod penetrates through the longitudinal moving groove and then extends to the outside of the valve body;
and the longitudinal movement driving part is arranged outside the valve body and is used for driving the longitudinal movement rod to longitudinally move.
In the above technical scheme, further, a relief groove for the driving block to retract is formed in the inner wall of the valve body, and the relief groove is communicated with the longitudinal movement groove.
In the technical scheme, a first connecting groove is formed in the side wall of the fixed ring seat, which is close to one side of the driving block, a first guide pillar is arranged in the first connecting groove, and the axial direction of the first guide pillar is the same as the moving direction of the driving block;
a second connecting groove is formed in the side wall, close to one side of the driving block, of the adjusting ring seat, a second guide pillar is arranged in the second connecting groove, and the axial direction of the second guide pillar is the same as the moving direction of the driving block;
the driving block is provided with a guide rod, the length direction of the guide rod is the same as the moving direction of the adjusting ring seat, the height of the guide rod is smaller than the lengths of the first guide post and the second guide post, one end of the guide rod, which is close to the first guide post, is provided with a first guide groove, the first guide groove is only used for axially moving the first guide post, one end of the guide rod, which is close to the second guide post, is provided with a second guide groove, and the second guide groove can be used for axially and radially moving the second guide post.
In the above technical solution, the longitudinal movement driving part includes:
the mounting rack is arranged on the outer wall of the valve body;
the swinging rod is rotatably arranged on the mounting frame, and a hook part is arranged at the second end of the swinging rod;
the second motor is used for driving the swinging rod to swing;
the side wall of the longitudinal moving rod, which is positioned outside the valve body, is provided with a longitudinal pushing groove, and the second end of the swinging rod can contact with the top wall of the longitudinal pushing groove in the swinging process, and push the longitudinal moving rod upwards; the first end of the swing lever is capable of contacting the top of the longitudinally movable lever during the swing and pushing the longitudinally movable lever downward.
In the above technical scheme, further, be equipped with travel switch on the mounting bracket, be equipped with the trigger piece on the vertical pole that moves, the trigger piece can trigger travel switch when vertical pole removes lower extreme position.
The application also discloses a using method suitable for the C-shaped ball valve, which comprises the following steps:
x1, unsealing: starting a second motor to drive a swinging rod to swing, wherein the swinging rod pushes a longitudinal moving rod downwards in the swinging process, the longitudinal moving rod pushes a driving block downwards, an adjusting ring seat moves in the direction away from a valve core under the extrusion of the driving block and stretches a reset spring, and when a trigger block triggers a travel switch, the longitudinal moving rod stops moving, the driving block stops moving, and the adjusting ring seat stops moving;
x2, forming a seal: starting a second motor to drive the swinging rod to swing, wherein the swinging rod is matched with the longitudinal pushing groove through a hook part at the second end to push the longitudinal moving rod upwards in the swinging process, the longitudinal moving rod pulls the driving block upwards, a gap is formed between the fixed ring seat and the adjusting ring seat after the driving block moves upwards, and the elastic force accumulated by the reset spring pulls the adjusting ring seat to the fixed ring seat;
after the sealing relieving step is carried out, the first driving part is controlled to rotate the valve rod, the valve rod drives the valve core to rotate to open the valve or close the valve, and after the valve is completely opened or completely closed, the sealing step is carried out; wherein the adjusting ring seat is close to the valve core and finally forms a sealing pair with the valve core when the valve is closed.
In the above technical scheme, further, the outside of valve body still is equipped with the warning light, and the warning light lights after the trigger block triggers travel switch.
The beneficial effects of the application are as follows:
1. through designing into fixed ring seat and adjusting ring seat two parts with traditional disk seat, and but adjusting ring seat relative fixed ring seat axial adjustment forms the sealed pair under the valve closure state between adjusting ring seat and the case, when needs rotate the case like this, can separate adjusting ring seat and case earlier, then rotate the case for the case can not take place sliding friction with adjusting ring seat contact in the rotation in-process, thereby has reduced wearing and tearing between adjusting ring seat and the case, has prolonged the life of valve.
2. The second driving part is designed into a driving block, a reset spring, a longitudinal moving rod and a longitudinal moving driving part to be matched, and in the use process, the longitudinal moving rod is driven to vertically move only through the longitudinal moving driving part, so that the adjusting ring seat can axially move relative to the fixed ring seat, and the device is simple in structure and convenient to overhaul.
3. In the vertical moving process of the vertical moving rod, the separation state between the adjusting ring seat and the valve core is monitored through the cooperation of the travel switch and the trigger block, so that the adjusting ring seat is in a state of being separated from the valve core when the valve core rotates each time, and the protection of the adjusting ring seat is added in place.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of a structure of an adjustable valve seat and a valve core forming a sealing state in the application.
FIG. 2 is a schematic diagram of the structure of the adjustable valve seat and valve core in the application in a unsealed state.
Fig. 3 is a schematic view of a partial enlarged structure at a in fig. 1.
Fig. 4 is a schematic view of a partial enlarged structure at B in fig. 2.
FIG. 5 is a schematic perspective view of the adjustable valve seat and the second driving member of the present application in a first direction.
FIG. 6 is a schematic perspective view of the adjustable valve seat and the second driving member of the present application in a second direction.
FIG. 7 is a schematic diagram of a driving block structure according to the present application.
The label in the figure is:
1-valve body, 101-liquid inlet, 102-liquid outlet, 2-valve core, 3-valve rod, 401-first motor, 402-gear box, 501-fixed ring seat, 502-adjusting ring seat, 6-second driving part, 601-driving block, 602-reset spring, 603-longitudinal moving rod, 604-longitudinal moving groove, 605-withdrawal groove, 701-first connecting groove, 702-first guide post, 703-second connecting groove, 704-second guide post, 8-guide rod, 801-first guide groove, 802-second guide groove, 901-mounting frame, 902-swing rod, 903-second motor, 904-longitudinal pushing groove, 905-travel switch, 906-trigger block.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
In the description of the present application, it is to be understood that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments in accordance with the present application. For ease of description, the dimensions of the various features shown in the drawings are not drawn to actual scale. Techniques, methods, and apparatus known to one of ordinary skill in the relevant art may not be discussed in detail, but should be considered part of the specification where appropriate. In all examples shown and discussed herein, any specific values should be construed as merely illustrative, and not a limitation. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further discussion thereof is necessary in subsequent figures.
It should be noted that the terms "first," "second," and the like in the description and in the claims are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged, as appropriate, such that embodiments of the present application may be implemented in sequences other than those illustrated or described herein, and that the objects identified by "first," "second," etc. are generally of a type, and are not limited to the number of objects, such as the first object may be one or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.
It should be noted that, in the description of the present application, the terms like "front, rear, upper, lower, left, right", "horizontal, vertical, horizontal", and "top, bottom", etc. generally refer to the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are merely for convenience of describing the present application and simplifying the description, and these orientation terms do not indicate and imply that the apparatus or elements referred to must have a specific orientation or be constructed and operated in a specific orientation, and thus should not be construed as limiting the scope of the present application; the orientation word "inner and outer" refers to inner and outer relative to the contour of the respective component itself.
Example 1
As shown in fig. 1 to 7, the present embodiment provides a C-type ball valve, including: a valve body 1, a valve core 2, a valve rod 3, a first driving part, an adjustable valve seat and a second driving part 6;
referring to fig. 1, a valve body 1 is provided with a liquid inlet 101 and a liquid outlet 102, a valve core 2 is arranged in the valve body 1, a valve rod 3 is connected to the valve core 2, a first driving component for driving the valve rod 3 to rotate is connected to the valve rod 3, the valve rod 3 is driven to rotate by the first driving component, and the valve rod 3 drives the valve core 2 to rotate, so that the opening and closing of the valve are realized, the technology of manually driving the valve and electrically driving the valve is mature, and the first driving component can be a structure commonly used in the art and is not repeated herein;
in order to more clearly express the C-type ball valve of the present application, a structure of a first driving part is provided in this embodiment, referring to fig. 1 or fig. 2, the first driving part includes a first motor 401 and a gear box 402, an output shaft of the first motor 401 is connected to an input end of the gear box 402, and an output end of the gear box 402 is connected to the valve rod 3; the gear box 402 is generally a reduction gear set, and the output power of the first motor 401 drives the valve rod 3 to rotate after being regulated by the gear box 402.
Referring to fig. 3 and 4, the adjustable valve seat includes a fixed ring seat 501, an adjusting ring seat 502,
the fixed ring seat 501 is of an annular structure, the fixed ring seat 501 is arranged on the inner wall of the valve body 1, and the fixed ring seat 501 is fixedly connected with the valve body 1;
the adjusting ring seat 502 is of a T-shaped annular structure, the adjusting ring seat 502 is arranged on one side, far away from the valve core 2, of the fixed ring seat 501, the first end of the adjusting ring seat 502 can penetrate through the fixed ring seat 501 to form a sealing pair with the valve core 2, and the adjusting ring seat 502 can axially move relative to the fixed ring seat 501;
the second driving component 6 is used for driving the adjusting ring seat 502 to approach or depart from the valve core 2;
when the adjusting ring seat 502 is in contact with the valve core 2, the valve rod 3 cannot be driven, and when the adjusting ring seat 502 is far away from the valve core 2, the valve rod 3 can be driven.
Through the technical scheme of this embodiment, opening and closing of C type ball valve is through first drive element drive valve rod 3, and then drive case 2 rotates and realize, before opening and closing C type ball valve, drive adjusting ring seat 502 through second drive element 6 earlier and keep away from case 2, adjusting ring seat 502 separates with case 2 like this, carry out the rotation of case 2 again for case 2 can not lead to the fact sliding friction to adjusting ring seat 502, and adjustable disk seat also can not appear wearing and tearing serious condition after long-time use, thereby prolonged the life of C type ball valve.
Example 2
The present embodiment provides a C-shaped ball valve, and in addition to the technical scheme including the above embodiment, a structure of the second driving part 6 is also disclosed;
referring to fig. 3-6, the second driving unit 6 of the present embodiment includes: a driving block 601, a return spring 602, a longitudinally moving rod 603, a longitudinally moving driving member,
the driving block 601 is arranged between the fixed ring seat 501 and the adjusting ring seat 502, the side wall of the driving block 601, which is close to one side of the adjusting ring seat 502, is an inclined surface, as shown in the drawing, the inclined surface is of a structure which is inclined inwards from top to bottom, when the driving block 601 is close to the adjusting ring seat 502 in the radial direction of the adjusting ring seat 502, the adjusting ring seat 502 is far away from the valve core 2, in general, the side wall of the driving block 601, which is close to the fixed ring seat 501, can be designed into an inclined surface which is inclined inwards from top to bottom, and the number of the inclined surfaces can be one or two;
the side wall of the adjusting ring seat 502, which is in contact with the driving block 601, is also designed to be an inclined plane, and of course, the inclined plane on the adjusting ring seat 502 is not required, and the side wall is of a planar structure, so that the movement of the adjusting ring seat 502 can be realized;
in this embodiment, when the moving path of the driving block 601 is greater than the radial gap length between the fixed ring seat 501 and the adjusting ring seat 502, a recession 605 for the driving block 601 to recede is provided on the inner wall of the valve body 1, the recession 605 is communicated with the longitudinal moving groove 604, and the recession 605 can recede when the driving block 601 moves upward.
The two ends of the reset spring 602 are respectively connected with the fixed ring seat 501 and the adjusting ring seat 502, when the adjusting ring seat 502 is in contact with the valve core 2, the reset spring 602 is in a stretched state, and the reset spring 602 still has a shrinkage reset trend at the moment, so that the close fit between the adjusting ring seat 502 and the outer wall of the valve core 2 can be ensured, the tightness of the C-shaped valve in the closed state is ensured, and the reset spring 602 continues to be stretched in the moving process of the adjusting ring seat 502 in the direction away from the valve core 2;
the lower end of the longitudinal moving rod 603 is connected with a driving block 601, a longitudinal moving groove 604 communicated with the outside is formed in the inner wall of the valve body 1, and the upper end of the longitudinal moving rod 603 passes through the longitudinal moving groove 604 and then extends to the outside of the valve body 1;
a longitudinal movement driving member is provided outside the valve body 1 for driving the longitudinal movement of the longitudinal movement rod 603, which is shown in the up-down direction in the drawing.
In this embodiment, when the longitudinally moving driving member drives the longitudinally moving rod 603 to move downward, the longitudinally moving rod 603 pushes the driving block 601 downward, the driving block 601 is clamped between the fixed ring seat 501 and the adjusting ring seat 502 to increase the volume, the adjusting ring seat 502 is pushed away from the fixed ring seat 501, and the restoring spring 602 is stretched, so that the adjusting ring seat 502 is separated from the valve core 2; when the longitudinal moving driving part drives the longitudinal moving rod 603 to move upwards, the longitudinal moving rod 603 pulls the driving block 601 upwards, the driving block 601 is clamped into the space between the fixed ring seat 501 and the adjusting ring seat 502, a gap is formed between the fixed ring seat 501 and the adjusting ring seat 502, the elastic force of the reset spring 602 pulls the adjusting ring seat 502 to the fixed ring seat 501 to fill the gap, and therefore the fact that the adjusting ring seat 502 is close to the valve core 2 and finally matched with the valve core 2 to form a sealing pair is achieved.
In this embodiment, the driving block 601 directly acts on the fixed ring seat 501 and the adjusting ring seat 502, the driving process is stable, and the process of adjusting the ring seat 502 to approach the valve core 2 is performed by the return spring 602, so that the structure is simple, and the failure rate is low.
Example 3
The present embodiment provides a C-shaped ball valve, which, in addition to the technical scheme including the above embodiment, improves the connection manner among the driving block 601, the fixed ring seat 501 and the adjusting ring seat 502;
referring to fig. 3, a first connecting groove 701 is formed in a side wall of the fixed ring seat 501 adjacent to the driving block 601, a first guide post 702 is disposed in the first connecting groove 701, and an axial direction of the first guide post 702 is the same as a moving direction of the driving block 601;
referring to fig. 3, a second connecting groove 703 is formed on a side wall of the adjusting ring seat 502 near the driving block 601, a second guide post 704 is disposed in the second connecting groove 703, and an axial direction of the second guide post 704 is the same as a moving direction of the driving block 601;
referring to fig. 7, a guide rod 8 is disposed on the driving block 601, the length direction of the guide rod 8 is the same as the moving direction of the adjusting ring seat 502, the height of the guide rod 8 is smaller than the lengths of the first guide post 702 and the second guide post 704, a first guide groove 801 is formed at one end of the guide rod 8 near the first guide post 702, the first guide groove 801 is only used for axially moving the first guide post 702, a second guide groove 802 is formed at one end of the guide rod 8 near the second guide post 704, and the second guide groove 802 can be used for axially and radially moving the second guide post 704.
In this embodiment, in the process of moving the driving block 601 up and down, the driving block 601 can move on the first guide post 702 and the second guide post 704 through the first guide slot 801 and the second guide slot 802, which is equivalent to guiding and limiting the driving block 601, so as to improve the driving stability of the driving block 601.
In addition, referring to fig. 7, the driving block 601 is in an inverted U shape, and the driving block 601 can enclose the return spring 602 during the downward movement, so that the volume of the driving block 601 can be designed to be smaller.
Example 4
The embodiment provides a C-shaped ball valve, and besides the technical scheme of the embodiment, a structure of a longitudinal movement driving component is also disclosed;
referring to fig. 3 to 6, the vertical movement driving part includes: a mounting bracket 901, a swing lever 902, a second motor 903,
the mounting bracket 901 is arranged on the outer wall of the valve body 1, and the mounting bracket 901 is used for bearing the swing rod 902 and the second motor 903;
the swinging rod 902 is rotatably arranged on the mounting frame 901, and a hook part is arranged at the second end of the swinging rod 902;
the second motor 903 is used for driving the swing rod 902 to swing, the second motor 903 can be directly connected with the swing rod 902, or can be indirectly connected with the swing rod 902 through a reduction gear set, and in order to ensure the stability of the swing rod 902 when standing still, a worm gear mechanism can be arranged between the second motor 903 and the swing rod 902 to form connection;
the side wall of the longitudinal moving rod 603, which is positioned outside the valve body 1, is provided with a longitudinal pushing groove 904, and the second end of the swinging rod 902 can contact with the top wall of the longitudinal pushing groove 904 in the swinging process, and pushes the longitudinal moving rod 603 upwards; the first end of the swing lever 902 can contact the top of the vertical moving lever 603 during the swing and push the vertical moving lever 603 downward.
In this embodiment, fig. 3 shows a state in which the swing lever 902 swings clockwise under the drive of the second motor 903, and the hook portion contacts the vertical pushing groove 904 to push the vertical moving lever 603 upward;
fig. 4 shows a state in which the swing lever 902 swings counterclockwise by the drive of the second motor 903, and the second end of the swing lever 902 contacts the top of the vertical movement lever 603 and pushes the vertical movement lever 603 downward.
In this embodiment, the mounting frame 901, the swing rod 902 and the second motor 903 are all disposed outside the valve body 1, so that maintenance is convenient, referring to fig. 1 and 2, and a sealing cover is further disposed outside the mounting frame 901, the swing rod 902 and the second motor 903, and plays a role in protection and dust prevention.
Example 5
The embodiment provides a C-shaped ball valve which comprises the following structures besides the technical scheme of the embodiment;
referring to fig. 5, a travel switch 905 is provided on the mounting frame 901, a trigger block 906 is provided on the vertical moving rod 603, and the trigger block 906 can trigger the travel switch 905 when the vertical moving rod 603 moves to the lower limit position.
The travel switch 905 can be synchronously associated with the first motor 401 and the second motor 903 after being triggered, the travel switch 905 indicates that the longitudinal moving rod 603 has reached the lower limit position after being triggered, at this time, the second motor 903 stops, the swinging rod 902 stops pushing the longitudinal moving rod 603, at this time, the adjusting ring seat 502 has reached a position far away from the valve core 2, rotation of the valve core 2 can be performed, and the first motor 401 starts to drive the valve rod 3 to rotate through the gear box 402, so that the valve core 2 is driven to rotate to realize closing or opening of the valve.
Example 6
The embodiment provides a using method of the C-shaped ball valve, and the using method of the embodiment is applicable to the C-shaped ball valve in the previous embodiment; the application method comprises the following steps:
x1, unsealing: starting the second motor 903 to drive the swinging rod 902 to swing, wherein the swinging rod 902 pushes the longitudinally moving rod 603 downwards in the swinging process, the longitudinally moving rod 603 pushes the driving block 601 downwards, the adjusting ring seat 502 moves away from the valve core 2 under the extrusion of the driving block 601 and simultaneously stretches the reset spring 602, when the trigger block 906 triggers the travel switch 905, the longitudinally moving rod 603 stops moving, the driving block 601 stops moving, and the adjusting ring seat 502 stops moving;
x2, forming a seal: starting a second motor 903 to drive a swinging rod 902 to swing, wherein the swinging rod 902 pushes a longitudinal moving rod 603 upwards through the cooperation of a hook part at a second end and a longitudinal pushing groove 904 in the swinging process, the longitudinal moving rod 603 pulls a driving block 601 upwards, a gap is formed between a fixed ring seat 501 and an adjusting ring seat 502 after the driving block 601 moves upwards, and at the moment, the elastic force accumulated by a reset spring 602 pulls the adjusting ring seat 502 to the fixed ring seat 501;
after the sealing relieving step is carried out, the first driving part is controlled to rotate the valve rod 3, the valve rod 3 drives the valve core 2 to rotate to open the valve or close the valve, and after the valve is completely opened or completely closed, the sealing step is carried out; wherein the adjusting ring seat 502 approaches the valve core 2 and eventually forms a sealing pair with the valve core 2 when the valve is closed.
Through the application method of the C-shaped ball valve, sliding friction can not occur between the valve core 2 and the adjustable valve seat in the opening and closing process of the valve, so that the adjustable valve seat is not easy to wear, the service life is prolonged, and the service life of the C-shaped ball valve is prolonged.
In this embodiment, a warning lamp is further arranged outside the valve body 1, and the warning lamp is turned on after the trigger block 906 triggers the travel switch 905, so that a worker can find a fault in time.
The embodiments of the present application have been described above with reference to the accompanying drawings, in which the embodiments of the present application and features of the embodiments may be combined with each other without conflict, the present application is not limited to the above-described embodiments, which are merely illustrative, not restrictive, of the present application, and many forms may be made by those of ordinary skill in the art without departing from the spirit of the present application and the scope of the claims, which are protected by the present application.

Claims (7)

1. A C-ball valve, comprising:
the valve comprises a valve body (1), wherein a liquid inlet (101) and a liquid outlet (102) are formed in the valve body (1), a valve core (2) is arranged in the valve body (1), a valve rod (3) is connected to the valve core (2), and a first driving part for driving the valve rod (3) to rotate is connected to the valve rod (3);
characterized in that it further comprises an adjustable valve seat and a second driving member (6), said adjustable valve seat comprising:
the fixed ring seat (501), the said fixed ring seat (501) is set up on the inner wall of the said valve block (1);
the adjusting ring seat (502), the adjusting ring seat (502) is arranged on one side, far away from the valve core (2), of the fixed ring seat (501), a first end of the adjusting ring seat (502) can penetrate through the fixed ring seat (501) to form a sealing pair with the valve core (2), and the adjusting ring seat (502) can axially move relative to the fixed ring seat (501);
the second driving component (6) is used for driving the adjusting ring seat (502) to be close to or far away from the valve core (2);
when the adjusting ring seat (502) is in contact with the valve core (2), the valve rod (3) cannot be driven, and when the adjusting ring seat (502) is far away from the valve core (2), the valve rod (3) can be driven;
the second driving part (6) includes:
the driving block (601) is arranged between the fixed ring seat (501) and the adjusting ring seat (502), the side wall of the driving block (601) close to one side of the adjusting ring seat (502) is an inclined surface, and when the driving block (601) is close to the adjusting ring seat (502) in the radial direction of the adjusting ring seat (502), the adjusting ring seat (502) is far away from the valve core (2);
the two ends of the reset spring (602) are respectively connected with the fixed ring seat (501) and the adjusting ring seat (502), when the adjusting ring seat (502) is in contact with the valve core (2), the reset spring (602) is in a stretched state, and the reset spring (602) continues to be stretched in the process that the adjusting ring seat (502) moves in the direction away from the valve core (2);
the lower end of the longitudinal moving rod (603) is connected with the driving block (601), a longitudinal moving groove (604) communicated with the outside is formed in the inner wall of the valve body (1), and the upper end of the longitudinal moving rod (603) penetrates through the longitudinal moving groove (604) and then extends to the outside of the valve body (1);
a longitudinal movement driving part which is arranged outside the valve body (1) and is used for driving the longitudinal movement rod (603) to longitudinally move;
the vertical movement driving part includes:
the mounting frame (901) is arranged on the outer wall of the valve body (1);
the swinging rod (902) is rotatably arranged on the mounting frame (901), and a hook part is arranged at the second end of the swinging rod (902);
a second motor (903), the second motor (903) is used for driving the swing rod (902) to swing;
a longitudinal pushing groove (904) is formed in the side wall of the longitudinal moving rod (603) positioned outside the valve body (1), and the second end of the swinging rod (902) can contact with the top wall of the longitudinal pushing groove (904) in the swinging process and push the longitudinal moving rod (603) upwards; the first end of the swing rod (902) can contact with the top of the longitudinal moving rod (603) during the swing process and push the longitudinal moving rod (603) downwards.
2. A C-ball valve as defined in claim 1, wherein: the first driving part comprises a first motor (401) and a gear box (402), an output shaft of the first motor (401) is connected with an input end of the gear box (402), and an output end of the gear box (402) is connected with the valve rod (3).
3. A C-ball valve as defined in claim 1, wherein: and a relief groove (605) for the driving block (601) to retract is formed in the inner wall of the valve body (1), and the relief groove (605) is communicated with the longitudinal movement groove (604).
4. A C-ball valve as defined in claim 1, wherein: a first connecting groove (701) is formed in the side wall, close to one side of the driving block (601), of the fixed ring seat (501), a first guide pillar (702) is arranged in the first connecting groove (701), and the axial direction of the first guide pillar (702) is the same as the moving direction of the driving block (601);
a second connecting groove (703) is formed in the side wall, close to one side of the driving block (601), of the adjusting ring seat (502), a second guide pillar (704) is arranged in the second connecting groove (703), and the axial direction of the second guide pillar (704) is the same as the moving direction of the driving block (601);
be equipped with guide bar (8) on driving piece (601), the length direction of guide bar (8) with the direction of movement of adjusting ring seat (502) is the same, the height of guide bar (8) is less than first guide pillar (702) with the length of second guide pillar (704), first guide slot (801) have been seted up to the one end that guide bar (8) is close to first guide pillar (702), first guide slot (801) only supplies first guide pillar (702) axial displacement, second guide slot (802) have been seted up to the one end that guide bar (8) is close to second guide pillar (704), second guide slot (802) can supply second guide pillar (704) axial and radial displacement.
5. A C-ball valve as defined in claim 1, wherein: be equipped with travel switch (905) on mounting bracket (901), be equipped with trigger piece (906) on indulging movable rod (603), indulge movable rod (603) remove to lower extreme position trigger piece (906) can trigger travel switch (905).
6. A method of using a C-ball valve, the method of using being adapted for use with the C-ball valve of claim 1, the method of using comprising the steps of:
x1, unsealing: starting a second motor (903) to drive a swinging rod (902) to swing, wherein the swinging rod (902) pushes a longitudinal moving rod (603) downwards in the swinging process, the longitudinal moving rod (603) pushes a driving block (601) downwards, an adjusting ring seat (502) moves in the direction away from a valve core (2) under the extrusion of the driving block (601) and simultaneously stretches a reset spring (602), when a trigger block (906) triggers a travel switch (905), the longitudinal moving rod (603) stops moving, the driving block (601) stops moving, and the adjusting ring seat (502) stops moving;
x2, forming a seal: starting a second motor (903) to drive a swinging rod (902) to swing, wherein the swinging rod (902) pushes a longitudinally moving rod (603) upwards through the cooperation of a hook part at a second end and a longitudinally pushing groove (904) in the swinging process, the longitudinally moving rod (603) pulls a driving block (601) upwards, a gap is formed between a fixed ring seat (501) and an adjusting ring seat (502) after the driving block (601) moves upwards, and at the moment, the elastic force accumulated by a reset spring (602) pulls the adjusting ring seat (502) to the fixed ring seat (501);
after the sealing relieving step is carried out, the first driving part is controlled to rotate the valve rod (3), the valve rod (3) drives the valve core (2) to rotate to open the valve or close the valve, and after the valve is completely opened or completely closed, the sealing step is carried out; wherein the adjusting ring seat (502) is close to the valve core (2) and finally forms a sealing pair with the valve core (2) when the valve is closed.
7. The method for using a C-ball valve according to claim 6, wherein: the outside of the valve body (1) is also provided with a warning lamp, and the warning lamp is turned on after the trigger block (906) triggers the travel switch (905).
CN202310479018.3A 2023-04-26 2023-04-26 C-shaped ball valve Active CN116608282B (en)

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Application Number Priority Date Filing Date Title
CN202310479018.3A CN116608282B (en) 2023-04-26 2023-04-26 C-shaped ball valve

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Application Number Priority Date Filing Date Title
CN202310479018.3A CN116608282B (en) 2023-04-26 2023-04-26 C-shaped ball valve

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CN116608282B true CN116608282B (en) 2023-10-20

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2632397A1 (en) * 1976-07-19 1978-01-26 Provence Const Met Valve with rotary closure member - has spherical surface supported by hydraulically urged bearing rings concentric with flow passage
JPH0849777A (en) * 1995-08-24 1996-02-20 Taimei Kinzoku Kogyo Kk Valve
CN105587888A (en) * 2016-03-15 2016-05-18 天津大学 Valve seat structure of fixed ball valve
CN209925676U (en) * 2019-04-28 2020-01-10 浙江派沃自控仪表有限公司 Pneumatic eccentric rotary regulating valve
CN213541384U (en) * 2020-08-20 2021-06-25 速特自动化(湖南)有限公司 Micro-torque fixed ball valve
CN214617955U (en) * 2021-04-27 2021-11-05 浙江欧菲石油设备有限公司 Ball valve capable of adjusting tightness

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2632397A1 (en) * 1976-07-19 1978-01-26 Provence Const Met Valve with rotary closure member - has spherical surface supported by hydraulically urged bearing rings concentric with flow passage
JPH0849777A (en) * 1995-08-24 1996-02-20 Taimei Kinzoku Kogyo Kk Valve
CN105587888A (en) * 2016-03-15 2016-05-18 天津大学 Valve seat structure of fixed ball valve
CN209925676U (en) * 2019-04-28 2020-01-10 浙江派沃自控仪表有限公司 Pneumatic eccentric rotary regulating valve
CN213541384U (en) * 2020-08-20 2021-06-25 速特自动化(湖南)有限公司 Micro-torque fixed ball valve
CN214617955U (en) * 2021-04-27 2021-11-05 浙江欧菲石油设备有限公司 Ball valve capable of adjusting tightness

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