CN112178267A - Anti-theft and anti-misoperation manual valve - Google Patents
Anti-theft and anti-misoperation manual valve Download PDFInfo
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- CN112178267A CN112178267A CN202011089304.1A CN202011089304A CN112178267A CN 112178267 A CN112178267 A CN 112178267A CN 202011089304 A CN202011089304 A CN 202011089304A CN 112178267 A CN112178267 A CN 112178267A
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- 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
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/16—Means to prevent accidental or unauthorised actuation with locking member actuated by magnet
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- 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
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- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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- 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
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/02—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action
- F16K35/022—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action the locking mechanism being actuated by a separate actuating element
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Preventing Unauthorised Actuation Of Valves (AREA)
Abstract
The invention relates to the technical field of valves, and particularly discloses a manual valve capable of preventing theft and misoperation; the valve comprises a valve body and a valve core, wherein the upper end of the valve body is connected with an installation through pipe, the upper end of the valve core is connected with a valve rod, a cylindrical shell is connected above the installation through pipe, a cylindrical inner groove is formed in the lower end of the cylindrical shell, the top end of the valve rod, which extends into the cylindrical inner groove, is connected with a rotary table, the upper surface of the rotary table is provided with a first annular tooth surface in an annular array shape, a first magnet is arranged on the rotary table at the center of the first annular tooth surface, a pressure plate is arranged in the cylindrical inner groove above the rotary table, and a second annular tooth surface is arranged; the anti-theft anti-misoperation manual valve disclosed by the invention has the advantages of excellent anti-misoperation effect, novel whole anti-theft structure, simplicity in operation and excellent anti-theft effect.
Description
Technical Field
The invention relates to the technical field of valves, and particularly discloses an anti-theft and anti-misoperation manual valve.
Background
The manual valve is a control part in a pipeline fluid conveying system, is used for changing the section of a passage and the flowing direction of a medium, and has the functions of diversion, stopping, regulation, throttling, non-return, diversion, overflow pressure relief and the like.
The manual valve for controlling the fluid in the current market has certain disadvantages in the use process, and due to the arrangement of the manual valve, related personnel can conduct manual operation on the manual valve to lead out the controlled fluid, the leading-out of the fluid controlled by the valve can be stolen, certain economic loss is caused, and the possibility of misoperation of the related personnel can also exist, so that the misoperation of the production process is caused.
The utility model discloses a patent is CN 209959988U's utility model just discloses a manual valve of maloperation is prevented in theftproof, it includes the valve body, the right-hand member fixedly connected with connector of valve body, the outlet has been seted up to the left end of valve body, the sealed shell of top fixedly connected with of valve body, the inboard intermediate position movable mounting of valve body has the case, the top fixedly connected with valve rod of case, the mounting hole has been seted up at the inboard top of valve body, the inboard fixed mounting of mounting hole has the sealing washer, the top port department fixed mounting of mounting hole has seal bearing, the valve rod runs through the bearing inner circle of sealing washer and seal bearing and extends to the inner circle of. The anti-theft and anti-misoperation manual valve disclosed by the invention has certain technical problems in the actual use process. For example, after the valve core rotates, the positioning rod is separated from the positioning hole, and the valve core is washed by liquid, so that certain angular deviation is easily generated, and the positioning rod is difficult to directly insert into the positioning hole when the positioning rod is pressed down again in the follow-up process, thereby bringing great inconvenience to the use process. In addition, the anti-theft function of the manual valve is simple, and a lawbreaker can still easily open the valve to steal the fluid. Therefore, in view of the above-mentioned shortcomings of the anti-theft and anti-misoperation manual valve, it is a technical problem to be solved to design an anti-theft and anti-misoperation manual valve that can effectively solve the above technical problems.
Disclosure of Invention
The invention aims to solve the technical problem of designing a manual valve which can effectively solve the technical problem and is anti-theft and anti-misoperation in order to overcome the defects of the manual valve in the background technology.
The invention is realized by the following technical scheme:
a manual valve for preventing theft and misoperation comprises a valve body and a valve core, wherein the valve core is arranged in the valve body, the left end and the right end of the valve body are connected with connecting end pipes, the upper end of the valve body is connected with an installation through pipe, the upper end of an inner cavity of the installation through pipe is provided with a sealing bearing, the inner part of the installation through pipe positioned below the sealing bearing is provided with a sealing ring, the upper end of the valve core is connected with a valve rod, the upper part of the installation through pipe is connected with a cylindrical shell, the lower end of the cylindrical shell is internally provided with a cylindrical inner groove, the top end of the valve rod extending into the cylindrical inner groove is connected with a rotary table, the upper surface of the rotary table is provided with a first annular tooth surface in an annular array shape, the rotary table positioned at the center of the first annular tooth surface is provided with, the second annular tooth surface is matched with the first annular tooth surface in the vertical direction, a second permanent magnet is arranged on the lower surface of a pressure plate positioned in the circle center of the second annular tooth surface, the homopolar opposite arrangement of the first permanent magnet and the second permanent magnet is realized, a rotating rod is connected to the upper surface of the pressure plate, a first spring is sleeved on the rotating rod, a rotating wheel is arranged at the top end of the rotating rod, which extends out of a cylindrical shell, a circular groove is formed in the upper end circular position of the cylindrical shell, a plurality of annular wall grooves are formed in the inner wall of the circular groove, a cylindrical rotating body is arranged in the circular groove, annular grooves corresponding to each annular wall groove are formed in the outer circular surface of the cylindrical rotating body, a plurality of balls are arranged between each annular wall groove and the corresponding annular groove, a round hole capable of penetrating through the rotating rod is formed in the central axis of the cylindrical rotating body, and a plurality, and a limiting convex strip capable of sliding up and down along the vertical limiting sliding groove is arranged on the outer circular surface of the upper end of the rotating rod.
As a further arrangement of the above scheme, an outer circular tooth surface is arranged on an outer circular surface of the rotary table, an adjusting connecting cylinder is connected to the cylindrical shell located at the same horizontal position of the rotary table, a threaded hole communicated with the cylindrical inner groove is formed in the adjusting connecting cylinder, an inserting operation groove is formed in the outer circle of the adjusting connecting cylinder, a screw rod is screwed in the threaded hole, the inner end of the screw rod extending into the cylindrical inner groove is connected with a top, the outer end of the screw rod extending into the inserting operation groove is connected with a joint, an arc-shaped braking rack is arranged in the cylindrical inner groove located at the top, and a second spring is connected between the arc-shaped braking rack and the inner part of the cylindrical inner groove.
As a further arrangement of the above solution, the cross-sectional shape of the joint is a regular quadrangle or a regular hexagon.
According to the scheme, the outer end of the connecting end pipe is connected with a pipeline connecting flange, and a plurality of connecting holes are formed in the outer edge of the pipeline connecting flange in an annular array.
In a further arrangement of the above scheme, the valve core is a spherical valve core, a liquid through hole connected with the inner part of the connecting end pipe is formed in the spherical valve core, and a convex shaft rotatably connected with the bottom wall of the inner cavity of the valve body is arranged at the lower end of the spherical valve core.
According to the scheme, the number of the annular wall grooves formed in the inner wall of the circular groove is two, the annular wall grooves are arranged at intervals from top to bottom, and 6-18 balls are arranged between each annular wall groove and the annular groove.
As a further arrangement of the scheme, the rotating wheel comprises an outer circular body, and three connecting rods are uniformly connected between the outer circular body and the rotating rod.
As a further arrangement of the scheme, the number of the vertical limiting sliding grooves formed in the annular wall of the circular hole is three, and the vertical limiting sliding grooves are uniformly formed in the annular wall of the circular hole at equal included angles.
Compared with the prior art, the invention has the following beneficial effects:
1) when the valve is opened or closed, the rotating wheel can be pressed down to the lowest end, at the moment, the first annular tooth surface on the rotating disc is meshed with the second annular tooth surface of the pressure plate, and then the rotating wheel is rotated to realize the rotation of the valve core in the valve body, so that the whole valve is opened or closed; when the valve is not operated, the pressure plate is separated from the rotating disc under the mutual repulsion action of the first magnet and the second magnet, and at the moment, even if an operator rotates the rotating wheel carelessly, the state of a valve core in the valve cannot be changed, and the misoperation prevention effect is excellent; in addition, because this application realizes rotating through the meshing between first annular flank of tooth and the second annular flank of tooth, it compares with current locating lever and locating hole, can prevent that the case from taking place to rotate the skew and leading to a series of problems that the locating lever can't align the arouse after with the locating hole, its novel structure, result of use are excellent, the practicality is strong.
2) In the anti-theft technology, an arc-shaped braking rack is arranged, and the excircle tooth surface is arranged on the excircle surface of the turntable, so that an operator can be matched with a joint at the outer end of a screw rod by using a specific tool at night or under the condition that no person is in the night, then the screw rod is screwed, and a top at the inner end of the screw rod pushes the arc-shaped braking rack to the turntable, so that the arc-shaped braking rack is meshed with the excircle tooth surface, a strong braking force is exerted on the whole turntable, and a thief cannot screw the turntable due to the overlarge braking force when screwing the rotating wheel; the whole anti-theft structure is novel, the operation is simple, and the anti-theft effect is excellent.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of the internal plan structure of the present invention;
FIG. 3 is a perspective semi-sectional view of a valve body, a connecting end tube, etc. in the present invention;
FIG. 4 is a schematic perspective view of a valve core, a valve rod, a turntable and the like according to the present invention;
FIG. 5 is a schematic view of a three-dimensional half-section internal structure of the cylindrical shell according to the present invention;
FIG. 6 is a schematic perspective view of a platen, a rotating rod, a rotating wheel, etc. according to the present invention;
fig. 7 is a schematic perspective view of the cylindrical rotating body and the balls according to the present invention.
Wherein, 1-valve body, 2-valve core, 201-liquid through hole, 202-convex shaft, 3-connecting end pipe, 4-installation through pipe, 5-sealing bearing, 6-valve rod, 7-cylindrical shell, 701-cylindrical inner groove, 702-circular groove, 703-annular wall groove, 8-rotary table, 801-outer circular tooth surface, 802-first annular tooth surface, 803-first magnet, 9-pressure plate, 901-second annular tooth surface, 902-second permanent magnet, 10-rotary rod, 11-first spring, 12-rotary wheel, 121-outer circular body, 122-connecting rod, 13-cylindrical rotary body, 131-annular groove, 101-circular hole, 102-vertical limit sliding groove, 14-ball, 15-limit convex strip, 16-adjusting connecting cylinder, 161-threaded hole, 162-inserting operation groove, 17-screw rod, 171-top head, 172-joint, 18-arc brake rack, 19-second spring, 20-pipeline connecting flange and 21-connecting hole.
Detailed Description
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The anti-theft and anti-misoperation manual valve disclosed by the invention is further explained with reference to the attached figures 1-7.
Example 1
This embodiment 1 discloses a prevent manually-operated valve of maloperation, refer to fig. 1, fig. 2, fig. 3 and fig. 4, and its major structure includes a valve body 1 and a case 2, sets up case 2 in the inside of valve body 1, and both ends are connected with connecting end pipe 3 about valve body 1. Specifically, the outer end part of the connecting end pipe 3 is connected with a pipeline connecting flange 20, the outer edge of the pipeline connecting flange 20 is provided with a plurality of connecting holes 21 in an annular array, and the whole valve can be quickly and hermetically connected to the infusion pipeline through the arrangement of the connecting flange 20 and the connecting holes 21. In addition, the valve core 2 in this embodiment is a spherical valve core, a liquid through hole 201 connected with the inside of the connecting end pipe 3 is formed in the spherical valve core, and a convex shaft 202 rotatably connected with the bottom wall of the inner cavity of the valve body 1 is arranged at the lower end of the spherical valve core.
Referring to fig. 2 and 3, an installation through pipe 4 is connected to the upper end of the valve body 1, a sealing bearing 5 is arranged at the upper end of an inner cavity of the installation through pipe 4, a sealing ring (not marked in the figure) is arranged inside the installation through pipe 4 below the sealing bearing 5, and the sealing bearing 5 and the sealing ring can seal the valve rod 6 and the installation through pipe 4. And a valve rod 6 is connected to the upper end of the valve core 2.
Referring to fig. 2, 5 and 6, a cylindrical shell 7 is connected above the installation through pipe 4, a cylindrical inner groove 701 is formed in the lower end of the cylindrical shell 7, a rotary table 8 is connected to the top end of the valve rod 6 extending into the cylindrical inner groove 701, a first annular tooth surface 802 is arranged on the upper surface of the rotary table 8 in an annular array, a first magnet 803 is arranged on the rotary table 8 located at the center of the first annular tooth surface 802, a pressure plate 9 is arranged in the cylindrical inner groove 701 located above the rotary table 8, a second annular tooth surface 901 is arranged on the lower surface of the pressure plate 9, and the second annular tooth surface 901 is matched with the first annular tooth surface 802 in the vertical direction. The lower surface of the pressure plate 9 at the center of the second annular tooth surface 901 is provided with a second permanent magnet 902, and the first permanent magnet 803 is arranged opposite to the same pole of the second permanent magnet 902, that is, the first annular tooth surface 802 and the second annular tooth surface 901 thereof are separated in a free state due to the repulsion between the first permanent magnet 803 and the second permanent magnet 902. The upper surface of pressure disk 9 is connected with bull stick 10, and the cover is equipped with first spring 11 on the bull stick 10, and the top that stretches out cylindrical shell 7 of bull stick 10 is provided with runner 12. Specifically, the rotating wheel 12 includes an outer circular body 121, and three connecting rods 122 are uniformly connected between the outer circular body 121 and the rotating rod 10.
Referring to fig. 5 and 7, a circular groove 702 is formed in the circular position of the upper end of the cylindrical shell 7, a plurality of annular wall grooves 703 are formed on the inner wall of the circular groove 702, and when the circular groove 702 is specifically arranged, two annular wall grooves 703 are formed on the inner wall of the circular groove 702 and are arranged at intervals up and down. A cylindrical rotating body 13 is provided in the circular groove 702, an outer circumferential surface of the cylindrical rotating body 13 is provided with an annular groove 131 corresponding to each annular wall groove 703, and a plurality of balls 14 are provided between the annular wall grooves 703 and the annular groove 131, specifically, 6 to 18 balls 14 are provided between each annular wall groove 703 and the annular groove 131. The central axis of the cylindrical rotating body 13 is provided with a circular hole 101 capable of passing through the rotating rod 10, the annular wall of the circular hole 101 is provided with a plurality of vertical limiting sliding grooves 102, specifically, the number of the vertical limiting sliding grooves 102 arranged on the annular wall of the circular hole 101 is three, and the vertical limiting sliding grooves are uniformly arranged on the annular wall of the circular hole 101 at equal included angles. Meanwhile, a limit convex strip 15 capable of sliding up and down along the vertical limit sliding groove 102 is arranged on the outer circular surface of the upper end of the rotating rod 10.
Example 2
Referring to fig. 2 and 3, an installation through pipe 4 is connected to the upper end of the valve body 1, a sealing bearing 5 is arranged at the upper end of an inner cavity of the installation through pipe 4, a sealing ring (not marked in the figure) is arranged inside the installation through pipe 4 below the sealing bearing 5, and the sealing bearing 5 and the sealing ring can seal the valve rod 6 and the installation through pipe 4. And a valve rod 6 is connected to the upper end of the valve core 2.
Referring to fig. 2, 5 and 6, a cylindrical shell 7 is connected above the installation through pipe 4, a cylindrical inner groove 701 is formed in the lower end of the cylindrical shell 7, a rotary table 8 is connected to the top end of the valve rod 6 extending into the cylindrical inner groove 701, a first annular tooth surface 802 is arranged on the upper surface of the rotary table 8 in an annular array, a first magnet 803 is arranged on the rotary table 8 located at the center of the first annular tooth surface 802, a pressure plate 9 is arranged in the cylindrical inner groove 701 located above the rotary table 8, a second annular tooth surface 901 is arranged on the lower surface of the pressure plate 9, and the second annular tooth surface 901 is matched with the first annular tooth surface 802 in the vertical direction. The lower surface of the pressure plate 9 at the center of the second annular tooth surface 901 is provided with a second permanent magnet 902, and the first permanent magnet 803 is arranged opposite to the same pole of the second permanent magnet 902, that is, the first annular tooth surface 802 and the second annular tooth surface 901 thereof are separated in a free state due to the repulsion between the first permanent magnet 803 and the second permanent magnet 902. The upper surface of pressure disk 9 is connected with bull stick 10, and the cover is equipped with first spring 11 on the bull stick 10, and the top that stretches out cylindrical shell 7 of bull stick 10 is provided with runner 12. Specifically, the rotating wheel 12 includes an outer circular body 121, and three connecting rods 122 are uniformly connected between the outer circular body 121 and the rotating rod 10.
Referring to fig. 5 and 7, a circular groove 702 is formed in the circular position of the upper end of the cylindrical shell 7, a plurality of annular wall grooves 703 are formed on the inner wall of the circular groove 702, and when the circular groove 702 is specifically arranged, two annular wall grooves 703 are formed on the inner wall of the circular groove 702 and are arranged at intervals up and down. A cylindrical rotating body 13 is provided in the circular groove 702, an outer circumferential surface of the cylindrical rotating body 13 is provided with an annular groove 131 corresponding to each annular wall groove 703, and a plurality of balls 14 are provided between the annular wall grooves 703 and the annular groove 131, specifically, 6 to 18 balls 14 are provided between each annular wall groove 703 and the annular groove 131. The central axis of the cylindrical rotating body 13 is provided with a circular hole 101 capable of passing through the rotating rod 10, the annular wall of the circular hole 101 is provided with a plurality of vertical limiting sliding grooves 102, specifically, the number of the vertical limiting sliding grooves 102 arranged on the annular wall of the circular hole 101 is three, and the vertical limiting sliding grooves are uniformly arranged on the annular wall of the circular hole 101 at equal included angles. Meanwhile, a limit convex strip 15 capable of sliding up and down along the vertical limit sliding groove 102 is arranged on the outer circular surface of the upper end of the rotating rod 10
Referring to fig. 1 and 5, in this embodiment 2, an outer circular tooth surface 801 is further disposed on an outer circular surface of the turntable 8, an adjusting connecting cylinder 16 is connected to the cylindrical shell 7 located at the same horizontal position of the turntable 8, a threaded hole 161 communicated with the cylindrical inner groove 701 is formed in the adjusting connecting cylinder 16, an insertion operation groove 162 is formed in an outer circle of the adjusting connecting cylinder 16, a screw rod 17 is screwed into the threaded hole 161, an inner end portion of the screw rod 17 extending into the cylindrical inner groove 701 is connected with a top 171, and an outer end portion of the screw rod 17 extending into the insertion operation groove 162 is connected with a joint 172. Specifically, the cross-sectional shape of the joint 172 is a regular quadrangle or a regular hexagon.
An arc-shaped braking rack 18 is arranged in the cylindrical inner groove 701 at the plug 171, and a second spring 19 is connected between the arc-shaped braking rack 18 and the inside of the cylindrical inner groove 701.
At night or in an unmanned state, an operator cooperates with the top 171 at the outer end of the screw 17 through a special tool, then screws the screw 17 inwards, then the top 171 at the inner end of the screw 17 pushes the arc braking rack 18 to move towards the turntable 8, and then braking force is exerted through the meshing action between the arc braking rack 18 and the outer circular tooth surface 801 on the outer circular surface of the turntable 8.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. A manual valve preventing theft and misoperation comprises a valve body (1) and a valve core (2), wherein the valve core (2) is arranged inside the valve body (1), the left end and the right end of the valve body (1) are connected with connecting end pipes (3), the upper end of the valve body (1) is connected with an installation through pipe (4), the upper end of the inner cavity of the installation through pipe (4) is provided with a sealing bearing (5), a sealing ring is arranged inside the installation through pipe (4) positioned below the sealing bearing (5), the upper end of the valve core (2) is connected with a valve rod (6), the manual valve is characterized in that a cylindrical shell (7) is connected above the installation through pipe (4), a cylindrical inner groove (701) is formed inside the lower end of the cylindrical shell (7), the top end of the valve rod (6) extending into the cylindrical inner groove (701) is connected with a turntable (8), the upper surface of the turntable (8) is provided with a first annular, a first magnet (803) is arranged on the rotary table (8) positioned at the circle center of the first annular tooth surface (802), a pressure plate (9) is arranged in a cylindrical inner groove (701) positioned above the rotary table (8), a second annular tooth surface (901) is arranged on the lower surface of the pressure plate (9), the second annular tooth surface (901) is matched with the first annular tooth surface (802) in the vertical direction, a second permanent magnet (902) is arranged on the lower surface of the pressure plate (9) positioned at the circle center of the second annular tooth surface (901), the homopolarity of the first permanent magnet (803) and the homopolarity of the second permanent magnet (902) are oppositely arranged, a rotating rod (10) is connected to the upper surface of the pressure plate (9), a first spring (11) is sleeved on the rotating rod (10), a rotating wheel (12) is arranged at the top end of the rotating rod (10) extending out of the cylindrical shell (7), a circular groove (702) is formed at the circular position of the upper end, the novel rotary drum is characterized in that a plurality of annular wall grooves (703) are formed in the inner wall of each circular groove (702), a cylindrical rotating body (13) is arranged in each circular groove (702), an annular groove (131) corresponding to each annular wall groove (703) is formed in the outer circular surface of each cylindrical rotating body (13), a plurality of balls (14) are arranged between each annular wall groove (703) and each annular groove (131), a round hole (101) capable of penetrating through the rotary drum (10) is formed in the central axis of each cylindrical rotating body (13), a plurality of vertical limiting sliding grooves (102) are formed in the annular wall of each round hole (101), and limiting convex strips (15) capable of sliding up and down along the vertical limiting sliding grooves (102) are arranged on the outer circular surface of the upper end of the rotary drum (10).
2. The anti-theft and anti-misoperation manual valve according to claim 1, characterized in that: an excircle tooth surface (801) is arranged on the excircle surface of the turntable (8), a cylinder shell (7) positioned at the same horizontal position of the turntable (8) is connected with an adjusting connecting cylinder (16), the adjusting connecting cylinder (16) is provided with a threaded hole (161) communicated with the cylindrical inner groove (701), the excircle of the adjusting connecting cylinder (16) is provided with an inserting operation groove (162), a screw rod (17) is screwed in the threaded hole (161), the inner end part of the screw rod (17) extending into the cylindrical inner groove (701) is connected with a top head (171), the outer end part of the screw rod (17) extending into the insertion operation groove (162) is connected with a joint (172), an arc-shaped braking rack (18) is arranged in a cylindrical inner groove (701) positioned at the top head (171), a second spring (19) is connected between the arc-shaped braking rack (18) and the inner part of the cylindrical inner groove (701).
3. The anti-theft and anti-misoperation manual valve according to claim 2, characterized in that: the cross section of the joint (172) is in the shape of a regular quadrangle or a regular hexagon.
4. The anti-theft and anti-misoperation manual valve according to claim 1, characterized in that: the outer end part of the connecting end pipe (3) is connected with a pipeline connecting flange (20), and a plurality of connecting holes (21) are formed in the outer edge of the pipeline connecting flange (20) in an annular array.
5. The anti-theft and anti-misoperation manual valve according to claim 1, characterized in that: the valve core (2) is a spherical valve core, a liquid through hole (201) which is connected with the inside of the connecting end pipe (3) is formed in the spherical valve core, and a convex shaft (202) which is rotatably connected with the bottom wall of the inner cavity of the valve body (1) is arranged at the lower end of the spherical valve core.
6. The anti-theft and anti-misoperation manual valve according to claim 1, characterized in that: the number of the annular wall grooves (703) formed in the inner wall of the circular groove (702) is two, the annular wall grooves are arranged at intervals from top to bottom, and 6-18 balls (14) are arranged between each annular wall groove (703) and the annular groove (131).
7. The anti-theft and anti-misoperation manual valve according to claim 1, characterized in that: the rotating wheel (12) comprises an outer circular body (121), and three connecting rods (122) are uniformly connected between the outer circular body (121) and the rotating rod (10).
8. The anti-theft and anti-misoperation manual valve according to claim 1, characterized in that: the annular wall of the round hole (101) is provided with three vertical limiting sliding grooves (102), and the included angles are uniformly arranged on the annular wall of the round hole (101).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011089304.1A CN112178267A (en) | 2020-10-13 | 2020-10-13 | Anti-theft and anti-misoperation manual valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011089304.1A CN112178267A (en) | 2020-10-13 | 2020-10-13 | Anti-theft and anti-misoperation manual valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112178267A true CN112178267A (en) | 2021-01-05 |
Family
ID=73949490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011089304.1A Withdrawn CN112178267A (en) | 2020-10-13 | 2020-10-13 | Anti-theft and anti-misoperation manual valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112178267A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685608A (en) * | 2021-09-22 | 2021-11-23 | 国网湖北省电力有限公司直流运检公司 | Converter station fire emergency valve is nimble to be prevented mistake device |
| CN117588585A (en) * | 2024-01-19 | 2024-02-23 | 成都杰森输配设备实业有限公司 | Trip mechanism of cut-off valve |
-
2020
- 2020-10-13 CN CN202011089304.1A patent/CN112178267A/en not_active Withdrawn
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113685608A (en) * | 2021-09-22 | 2021-11-23 | 国网湖北省电力有限公司直流运检公司 | Converter station fire emergency valve is nimble to be prevented mistake device |
| CN113685608B (en) * | 2021-09-22 | 2024-04-16 | 国网湖北省电力有限公司直流运检公司 | Flexible error-preventing device for fire emergency valve of converter station |
| CN117588585A (en) * | 2024-01-19 | 2024-02-23 | 成都杰森输配设备实业有限公司 | Trip mechanism of cut-off valve |
| CN117588585B (en) * | 2024-01-19 | 2024-05-14 | 成都杰森输配设备实业有限公司 | Trip mechanism of cut-off valve |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20210105 |