CN108953635B - Valve with good sealing performance - Google Patents
Valve with good sealing performance Download PDFInfo
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- CN108953635B CN108953635B CN201810756155.6A CN201810756155A CN108953635B CN 108953635 B CN108953635 B CN 108953635B CN 201810756155 A CN201810756155 A CN 201810756155A CN 108953635 B CN108953635 B CN 108953635B
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- fixedly connected
- valve
- valve core
- block
- rotating shaft
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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
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
- F16K31/047—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/42—Valve seats
- F16K1/427—Attachment of the seat to the housing by one or more additional fixing elements
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/50—Preventing rotation of valve members
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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
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
Abstract
The invention relates to a valve with good sealing performance. A valve with good sealing performance comprises a water conduit, a lifting mechanism and a conduction mechanism, wherein two ends of the water conduit are symmetrically and fixedly connected with connecting pieces; the middle part of the water conduit below the first sealing ring is provided with a valve core assembly; the valve core assembly is connected with the conduction mechanism through a first sealing ring, and the conduction mechanism is connected with the lifting mechanism; the transmission mechanism is arranged in the support table, and the lifting mechanism is arranged in the support column; the valve core assembly comprises a valve core cavity in the middle of the water conduit, a valve core gambling piece which is communicated with the conduction mechanism and can be lifted, and a base block of which the top surface is an inclined surface; the side part of the valve core gambling piece is sealed on the side wall of the valve core cavity through a guide rail; the bottom of the valve core gambling piece is an inclined part which is in sealing fit with the top surface of the base block; this valve that sealing performance is good through cooperation work such as the electric putter that sets up, reaches the effect of cooperation accurate lift axis of rotation, provides necessary basis for the accurate leading water pipe that seals, and sealed effectual simultaneously.
Description
Technical Field
The invention relates to the technical field of water control valves, in particular to a valve with good sealing performance.
Background
A valve is a device for controlling the direction, pressure, and flow rate of a fluid in a fluid system, and is a device capable of controlling the flow rate by flowing or stopping a medium in a pipe or an apparatus.
The 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, cut-off, throttling, check, flow splitting, overflow pressure relief and the like. Valves used for fluid control range from the simplest shut-off valves to the various valves used in extremely complex autonomous systems, ranging in variety and specification from the very tiny instrument valves up to industrial pipeline valves with nominal diameters of up to 10 m. Can be used for controlling the flow of various types of fluid such as water, steam, oil products, gas, mud, various corrosive media, liquid metal, radioactive fluid and the like.
At present, valve equipment used in the market is only used for controlling the opening or closing of water flow, the flow of water cannot be controlled, the valve equipment is generally observed directly through human eyes, the accuracy is very low, the normal use is influenced, unnecessary problems are caused, the difficulty in large use is increased, and the using effect is reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the valve with good sealing performance, solves the problems that the flow of water cannot be controlled and the flow precision is low, and has good sealing effect.
In order to achieve the purpose, the invention is realized by the following technical scheme:
the utility model provides a valve that sealing performance is good, includes leading water pipe, elevating system and conduction mechanism, its characterized in that: the two ends of the water conduit are symmetrically and fixedly connected with connecting pieces; a first opening is formed in the center of the top of the water conduit, and a first sealing ring is fixedly connected to the first opening; the middle part of the water conduit below the first sealing ring is provided with a valve core assembly; the valve core assembly is connected with the conduction mechanism through a first sealing ring, and the conduction mechanism is connected with the lifting mechanism;
a supporting table is fixedly connected to the center of the top of the water conduit, a supporting column is fixedly connected to the center of the top of the supporting table, a first rotating groove is formed in the center of the top of the supporting table, internal tapping threads are fixedly connected to four sides of the inner wall of the first rotating groove, a limiting column is fixedly connected to the center of the top of the supporting table, and a second rotating groove is formed in the center of the top of the limiting column;
the transmission mechanism is arranged in the support table, and the lifting mechanism is arranged in the support column;
the valve core assembly comprises a valve core cavity in the middle of the water conduit, a valve core blocking piece communicated with the conduction mechanism and capable of lifting, and a base block with an inclined top surface; the side part of the valve core blocking piece is sealed on the side wall of the valve core cavity through a guide rail; the bottom of the valve core blocking piece is an inclined part which is in sealing fit with the top surface of the base block;
the valve core cavity is provided with a flowing water inlet hole and a flowing water outlet on two sides respectively, the valve core blocking piece is positioned between the flowing water inlet hole and the flowing water outlet, the bottom and the side part of the base block with the inclined surface on the top surface are provided with elastic silica gel pads, and the base block with the inclined surface on the top surface is connected to the inner wall of the valve core cavity in a sealing mode through the elastic silica gel pads.
Preferably, the lifting mechanism comprises an electric push rod and a first bearing, a bottom fixedly connected with sealing chamber of the electric push rod is provided with a rotating shaft in the center of the bottom of the sealing chamber, a second opening is formed in the center of the bottom of the sealing chamber, a first limiting block is fixedly connected to the second opening, a motor is fixedly connected to the center of the top of the inner wall of the sealing chamber, straight sliding grooves are symmetrically formed in the tops of two sides of the rotating shaft, outer tapping threads are formed in the bottoms of the four sides of the rotating shaft, gaskets are fixedly connected to the top and the bottom of the first bearing, and clamping blocks are fixedly connected to the two sides of the inner wall of the inner ring of the first bearing symmetrically.
As preferred, conduction mechanism includes the backup pad, the centre of backup pad bottom is provided with the connecting rod, the centre fixedly connected with fixed block at backup pad top, the bilateral symmetry fixedly connected with negative pressure spring at backup pad top, the third opening has been seted up in the centre at fixed block top, and fixedly connected with second stopper in third opening department, the centre fixedly connected with fixed column of fixed block inner wall bottom, the bilateral symmetry of fixed block inner chamber bottom is provided with the slider, annular spout has been seted up to the bottom of four sides of fixed block inner wall, the one end fixedly connected with second bearing of fixed block inner wall is kept away from to the fixed column.
Preferably, the distance between the tip of the bottom of the valve element stopper and the base block constitutes the opening degree of the valve.
Preferably, a limiting block is arranged on the right side wall of the valve core cavity, and the top of the right side of the base block abuts against the lower side of the limiting block.
Preferably, the included angle a between the inclined plane at the bottom of the valve core blocking piece and the horizontal direction is smaller than the included angle b between the top surface of the base block and the horizontal direction; and an included angle C between the bottom inclined plane of the valve core blocking piece and the top surface of the base block is less than or equal to 5 degrees.
Preferably, the top of the first sealing ring penetrates through the bottom of the supporting table and extends to the inside of the supporting table, the first sealing ring is fixedly connected with the supporting table, the first rotating groove penetrates through the top of the supporting table and extends to the inside of the supporting table, and the second rotating groove penetrates through the top of the limiting column and extends to the outside of the bottom of the limiting column.
Preferably, electric putter fixed connection is in the centre at support column inner wall top, first bearing fixed connection rotates the top of four sides of inslot inner wall at the second, the one end that the axis of rotation is close to the seal chamber runs through first stopper and extends to the inside of seal chamber, the one end of axis of rotation and the output shaft fixed connection of motor, the other end of axis of rotation runs through first bearing, second rotation groove and first rotation groove and extends to the inside of brace table, the axis of rotation is laminated with first bearing mutually, the external tapping of axis of rotation is mutually staggered with the internal tapping of first rotation groove, the one end that the axis of rotation was kept away from to the fixture block extends to the inside of straight spout and laminates the inner wall of straight spout.
As preferred, the backup pad sets up in the centre of brace table inner chamber, the one end symmetry fixed connection that the backup pad was kept away from to negative pressure spring is in the both sides at brace table inner wall top, the other end of axis of rotation runs through the second stopper and extends to the inside of fixed block, the one end of fixed column runs through the other end of axis of rotation and extends to the inside of axis of rotation wall body, the one end of fixed column and the wall body fixed connection of axis of rotation are kept away from to the second bearing, the axis of rotation laminates mutually with the second stopper, the one end that the backup pad was kept away from to the connecting rod runs through first sealing washer and extends to the inside of leading water pipe, the connecting rod laminates mutually with first sealing washer, the one end of slider extends to the inside of annular spout and laminates the inner wall of annular spout.
The invention provides a valve with good sealing performance. The method has the following beneficial effects:
(1) the valve with good sealing performance achieves the effect of cooperative accurate lifting of the rotating shaft through the matched work of the arranged electric push rod, the first bearing, the sealing chamber, the rotating shaft, the first limiting block, the motor, the straight sliding groove and the clamping block, and provides a necessary foundation for accurately sealing the water conduit.
(2) The valve with good sealing performance achieves the effect of converting the rotating shaft torsional power into the vertical power through the matching work of the supporting plate, the connecting rod, the fixing block, the negative pressure spring, the second limiting block, the fixing column, the sliding block, the annular sliding groove and the second bearing, and provides powerful support for accurately sealing the water conduit.
(3) The valve with good sealing performance achieves the effect of sealing the water conduit at multiple levels through the matching work of the sealing platform, the water flowing hole, the moving groove, the sealing block, the second sealing ring and the sliding strip, and prevents water from leaking out when the flow of the water conduit is regulated and controlled.
(4) The valve with good sealing performance achieves the purpose of supporting the lifting mechanism and the conduction mechanism through the matching work of the supporting table, the supporting column and the limiting column, and provides powerful support for the operation of the lifting mechanism and the conduction mechanism.
(5) The valve with good sealing performance achieves the purpose of assisting the operation of the lifting mechanism and the conduction mechanism through the matching work of the first rotating groove and the second rotating groove, and provides powerful support for the operation of the lifting mechanism and the conduction mechanism.
6. This valve that sealing performance is good through the cooperation work of above-mentioned structure, has strengthened the practicality of this valve that sealing performance is good, and the inclined plane and the top surface through the bottom of valve core closure in the valve core subassembly are the base block on inclined plane, because the bottom and the lateral part that the top surface is the base block on inclined plane are equipped with the elastic silica gel pad, and the base block that the top surface is the inclined plane passes through elastic silica gel pad sealing connection and is in on the inner wall in valve core chamber. The valve core plug is pressed downwards to be matched obliquely, and the elastic silica gel pad is extruded to finally realize self-adaptive sealing.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Figure 2 is a cross-sectional view of a sealed chamber of the present invention.
Fig. 3 is a sectional view of the fixing block of the present invention.
Fig. 4 is an enlarged view of the invention at a in fig. 1.
Fig. 5 is a schematic structural diagram at B in fig. 1.
Fig. 6 is a schematic view of the valve element just closed.
Fig. 7 is a schematic structural view of the valve core in a closed and sealed state.
In the figure: the device comprises a water conduit 1, a lifting mechanism 2, an electric push rod 21, a first bearing 22, a sealing chamber 23, a rotating shaft 24, a first limiting block 25, a motor 26, a straight chute 27, a clamping block 28, a conduction mechanism 3, a supporting plate 31, a connecting rod 32, a fixing block 33, a negative pressure spring 34, a second limiting block 35, a fixed column 36, a sliding block 37, an annular chute 38, a second bearing 39, a valve core assembly 4, a valve core blocking piece 41, a flowing water inlet hole 4a, a flowing water outlet 4b, an elastic silica gel pad 43, a second sealing ring 45, a limiting block 46, a first sealing ring 6, a supporting table 7, a supporting column 8, a first rotating groove 9, a limiting column 10 and a second rotating groove 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-7, the present invention provides a technical solution: a valve with good sealing performance comprises a water conduit 1, a lifting mechanism 2 and a conduction mechanism 3, wherein connecting pieces are symmetrically and fixedly connected with two ends of the water conduit 1, the connecting pieces can be flanges, one end, away from the water conduit 1, of each flange is connected with an external water conduit flange, a first opening is formed in the center of the top of the water conduit 1, a first sealing ring 6 is fixedly connected with the first opening, a supporting table 7 is fixedly connected with the center of the top of the water conduit 1, the top of the first sealing ring 6 penetrates through the bottom of the supporting table 7 and extends into the supporting table 7, the first sealing ring 6 is fixedly connected with the supporting table 7, a supporting column 8 is fixedly connected with the center of the top of the supporting table 7, a first rotating groove 9 is formed in the center of the top of the supporting table 7, the first rotating groove 9 penetrates through the top of the supporting table 7 and extends into the supporting table 7, internal tapping threads are, the middle of the top of the supporting table 7 is fixedly connected with a limiting column 10, the supporting table 7, the supporting column 8 and the limiting column 10 are matched to work, the purpose of supporting the lifting mechanism 2 and the conduction mechanism 3 is achieved, powerful support is provided for the operation of the lifting mechanism 2 and the conduction mechanism 3, a second rotating groove 11 is formed in the middle of the top of the limiting column 10, the second rotating groove 11 penetrates through the top of the limiting column 10 and extends to the outside of the bottom of the limiting column 10, the matching work of the first rotating groove 9 and the second rotating groove 11 is achieved, the purpose of assisting the operation of the lifting mechanism 2 and the conduction mechanism 3 is achieved, and powerful support is provided for the operation of the lifting mechanism 2 and the conduction mechanism 3.
The lifting mechanism 2 comprises an electric push rod 21 and a first bearing 22, the electric push rod 21 is fixedly connected in the center of the top of the inner wall of the supporting column 8, the first bearing 22 is fixedly connected at the top of the four sides of the inner wall of the second rotating groove 11, the bottom of the electric push rod 21 is fixedly connected with a sealing chamber 23, a rotating shaft 24 is arranged in the center of the bottom of the sealing chamber 23, a second opening is formed in the center of the bottom of the sealing chamber 23, a first limiting block 25 is fixedly connected at the second opening, one end, close to the sealing chamber 23, of the rotating shaft 24 penetrates through the first limiting block 25 and extends into the sealing chamber 23, the rotating shaft 24 is attached to the first bearing 22, the other end of the rotating shaft 24 penetrates through the first bearing 22, the second rotating groove 11 and the first rotating groove 9 and extends into the supporting table 7, an external tapping thread of the rotating shaft 24 is staggered with an internal tapping thread of the first rotating groove 9, and, one end of the rotating shaft 24 is fixedly connected with an output shaft of the motor 26, the first limiting block 25 is matched with the motor 26 to support the rotation of the rotating shaft 24, so as to prevent the rotating shaft 24 from deflecting, the straight sliding grooves 27 are symmetrically formed in the tops of two sides of the rotating shaft 24, external tapping threads are arranged at the bottoms of four sides of the rotating shaft 24, gaskets are fixedly connected to the tops and the bottoms of the first bearings 22, the gaskets provide buffer for the first bearings 22, so as to prevent the first bearings 22 from being damaged due to excessive pressure, the clamping blocks 28 are fixedly connected to two sides of the inner ring wall of the first bearings 22 symmetrically, one end, far away from the rotating shaft 24, of each clamping block 28 extends into the straight sliding grooves 27 and is attached to the inner wall of the straight sliding groove 27, the rotating shaft 24 is rotated by the motor 26, the external tapping threads of the rotating shaft 24 are staggered with the internal tapping threads of the second rotating groove, the rotating shaft 24 is assisted to rotate, the fixture block 28 is matched with the straight chute 27 to enable the first bearing 22 to assist the rotating shaft 24 to rotate smoothly, a moving track is provided for the movement of the rotating shaft 24, the rotating shaft 24 is prevented from moving to deviate, the effect of cooperatively and accurately lifting the rotating shaft 24 is achieved through the matched work of the arranged electric push rod 21, the first bearing 22, the sealing chamber 23, the rotating shaft 24, the first limiting block 25, the motor 26, the straight chute 27 and the fixture block 28, and a necessary foundation is provided for accurately sealing the water diversion pipe 1.
The conduction mechanism 3 comprises a support plate 31, the support plate 31 is arranged in the center of an inner cavity of the support table 7, the rotating shaft 24 is fixedly connected in the center of the top of the support plate 31, a connecting rod 32 is arranged in the center of the bottom of the support plate 31, one end, far away from the support plate 31, of the connecting rod 32 penetrates through the first sealing ring 6 and extends into the water conduit 1, the connecting rod 32 is attached to the first sealing ring 6, a fixed block 33 is fixedly connected in the center of the top of the support plate 31, negative pressure springs 34 are symmetrically and fixedly connected to two sides of the top of the inner wall of the support table 7, one end, far away from the support plate 31, of each negative pressure spring 34 is symmetrically and fixedly connected to two sides of the top of the inner wall of the support table 7, the negative pressure springs 34 are matched with the support plate 31 to form multi-point support to prevent the, the second limiting block 35 enables the rotating shaft 24 to rotate smoothly and simultaneously support stably, the other end of the rotating shaft 24 penetrates through the second limiting block 35 and extends into the fixed block 33, a fixed column 36 is fixedly connected to the center of the bottom of the inner wall of the fixed block 33, one end of the fixed column 36 penetrates through the other end of the rotating shaft 24 and extends into the wall body of the rotating shaft 24, sliders 37 are symmetrically arranged on two sides of the bottom of the inner cavity of the fixed block 33, annular sliding grooves 38 are formed in the bottoms of the four sides of the inner wall of the fixed block 33, one end of each slider 37 extends into the annular sliding groove 38 and is attached to the inner wall of the annular sliding groove 38, the other ends of the sliders 37 are symmetrically and fixedly connected to the bottoms of the two sides of the rotating shaft 24, the sliders 37 are matched with the annular sliding grooves 38 to enable the rotating shaft 24, the end of the second bearing 39 far away from the fixed column 36 is fixedly connected with the wall body of the rotating shaft 24, the fixed column 36 is matched with the second bearing 39 to enable the rotating shaft 24 to rotate smoothly and simultaneously support stably, deflection is prevented when the rotating shaft 24 rotates, the supporting plate 31 is prevented from rotating along with the rotating shaft 24, and the supporting plate 31, the connecting rod 32, the fixed block 33, the negative pressure spring 34, the second limiting block 35, the fixed column 36, the sliding block 37, the annular sliding groove 38 and the second bearing 39 are matched to work, so that the effect of converting the torsional power of the rotating shaft 24 into the vertical power is achieved, and powerful support is provided for accurately sealing the water guide pipe 1.
The valve core assembly 4 comprises a valve core cavity in the middle of the water conduit 1, a valve core blocking piece 41 which is communicated with the conduction mechanism 3 and can lift, and a base block 42 of which the top surface is an inclined surface. The two sides of the valve core cavity are respectively provided with a flowing water inlet hole 4a and a flowing water outlet 4b, and the valve core blocking piece 41 is positioned between the flowing water inlet hole 4a and the flowing water outlet 4 b. The side of the valve plug 41 is sealed on the side wall of the valve core cavity through a guide rail, and the bottom of the valve plug 41 is an inclined part which is in sealing fit with the top surface of the base block 42. The bottom and the side of the base block 42 with the inclined top surface are provided with elastic silica gel pads 43, and the base block 42 with the inclined top surface is hermetically connected to the inner wall of the valve core cavity through the elastic silica gel pads 43. The valve core cavity can be a circular cavity or a square cavity, the water inlet hole 4a is positioned at the upper part of the right side of the valve core cavity, and the water outlet hole 4b is positioned at the lower part of the left side of the valve core cavity. The base block 42 with the inclined top surface is a triangular wedge block, the bottom and the right side part of the base block 42 are provided with elastic silica gel pads 43, and the elastic silica gel pads 43 are uniform in thickness and can be extruded. As shown in fig. 5, an included angle a between the bottom inclined surface of the valve element block 41 and the horizontal direction is smaller than an included angle b between the top surface of the base block and the horizontal direction. And the included angle C between the bottom inclined plane of the valve core blocking piece 41 and the top surface of the base block is less than or equal to 5 degrees. Therefore, the distance between the tip of the bottom of the valve element stopper 41 and the base block constitutes the valve opening degree. The presence of the angle C gives preference to a precise line seal joining on the right when the bottom slope of the plug 41 is pressed down. After further pressing, because the base block is adaptive to the adaptive change of the angle, the base block forces the thickness of the elastic silica gel pad 43 to deform, the sealing pressure formed after deformation is substantially greater on the right side than on the left side, and the water inlet hole 4a is formed on the right side, so that the sealing can be performed in advance by using small force, and the equivalent sealing can be completed by using small force. The limiting block 46 is arranged on the right side wall of the valve core cavity, the limiting block 46 is positioned below the flowing water inlet hole 4a, and the top of the right side of the base block 42 abuts against the lower side of the limiting block 46 under the condition that the base block is not extruded.
One end of the connecting rod 32 is fixedly connected to the valve plug 41, and the rotating shaft 24 drives the supporting plate 31 to move, so that the connecting rod 32 drives the valve plug 41 to move up and down, but the valve plug 41 does not rotate. The connecting rod 32 is attached to the second sealing ring 45, and the second sealing ring 45 provides a moving track for the movement of the connecting rod 32 and enables the valve element plug 41 to have air tightness.
When the valve with good sealing performance is used, the water conduit 1 is fixedly connected with an external water conduit through the flange plates at two ends, water flow is introduced, the motor 26 is controlled to rotate the rotating shaft 24, the external tapping threads of the rotating shaft 24 are staggered with the internal tapping threads of the second rotating groove 11, the rotating shaft 24 rotates and descends, the fixed block 33 converts the torsion force of the rotating shaft 24 into vertical power, the connecting rod 32 pushes the valve core plugging piece 41 to move, the valve core plugging piece 41 is pressed down and the base block 42 is sealed, and the water flowing hole 4a is sealed, so that the purpose of controlling the flow is achieved. It is irrelevant to how the rotation shaft 24 and the rotation shaft 24 are rotated to be pressed down, which pushes the valve element block 41 by a conventional mechanism, only to move the valve element block 41 up and down without rotating.
In summary, the valve with good sealing performance achieves the effect of cooperatively and accurately lifting the rotating shaft 24 through the matching work of the electric push rod 21, the first bearing 22, the sealing chamber 23, the rotating shaft 24, the first limit block 25, the motor 26, the straight sliding groove 27 and the clamping block 28, provides a necessary foundation for accurately sealing the water conduit 1, achieves the effect of converting the torsional power of the rotating shaft 24 into the vertical power through the matching work of the supporting plate 31, the connecting rod 32, the fixing block 33, the negative pressure spring 34, the second limit block 35, the fixing column 36, the sliding block 37, the annular sliding groove 38 and the second bearing 39, and provides powerful support for accurately sealing the water conduit 1.
Meanwhile, the valve with good sealing performance is characterized in that the purpose of supporting the lifting mechanism 2 and the conduction mechanism 3 is achieved through the matched work of the supporting table 7, the supporting column 8 and the limiting column 10, the powerful support is provided for the operation of the lifting mechanism 2 and the conduction mechanism 3, the purpose of assisting the operation of the lifting mechanism 2 and the conduction mechanism 3 is achieved through the matched work of the first rotating groove 9 and the second rotating groove 11, the powerful support is provided for the operation of the lifting mechanism 2 and the conduction mechanism 3, the practicability of the valve with good sealing performance is enhanced through the matched work of the structure, the effect of accurately regulating and controlling the flow of the water diversion pipe 1 is achieved through accurately moving the distance between the valve core blocking piece 41 and the base block 42, and the problems that the flow of water cannot be controlled and the flow accuracy is low are solved.
The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. The utility model provides a valve that sealing performance is good, includes leading water pipe (1), elevating system (2) and conduction mechanism (3), its characterized in that: the two ends of the water conduit (1) are symmetrically and fixedly connected with connecting pieces; a first opening is formed in the center of the top of the water conduit (1), and a first sealing ring (6) is fixedly connected to the first opening; the middle part of the water conduit (1) below the first sealing ring (6) is provided with a valve core assembly (4); the valve core assembly (4) is connected with the conduction mechanism (3) through a first sealing ring (6), and the conduction mechanism (3) is connected with the lifting mechanism (2); a supporting table (7) is fixedly connected to the center of the top of the water conduit (1), a supporting column (8) is fixedly connected to the center of the top of the supporting table (7), a first rotating groove is formed in the center of the top of the supporting table (7), internal tapping threads are fixedly connected to four sides of the inner wall of the first rotating groove, a limiting column (10) is fixedly connected to the center of the top of the supporting table (7), and a second rotating groove (11) is formed in the center of the top of the limiting column (10); the conduction mechanism (7) is arranged in the support table (7), and the lifting mechanism (2) is arranged in the support column (8); the valve core assembly (4) comprises a valve core cavity in the middle of the water conduit (1), a valve core blocking piece (41) which is communicated with the conduction mechanism (3) and can be lifted, and a base block (42) of which the top surface is an inclined plane; the side part of the valve core blocking piece (41) is sealed on the side wall of the valve core cavity through a guide rail; the bottom of the valve core blocking piece (41) is an inclined part which is in sealing fit with the top surface of the base block (42); the two sides of the valve core cavity are respectively provided with a running water inlet hole (4 a) and a running water outlet (4 b), the valve core blocking piece (41) is positioned between the running water inlet hole (4 a) and the running water outlet (4 b), the bottom and the side part of the base block (42) with the top surface being an inclined plane are provided with elastic silica gel pads (43), and the base block (42) with the top surface being an inclined plane is hermetically connected on the inner wall of the valve core cavity through the elastic silica gel pads (43); a limiting block (46) is arranged on the right side wall of the valve core cavity, and the top of the right side of the base block (42) abuts against the lower part of the limiting block (46); the included angle a between the bottom inclined plane of the valve core blocking piece (41) and the horizontal direction is smaller than the included angle b between the top surface of the base block and the horizontal direction; the included angle between the bottom inclined plane of the valve core blocking piece (41) and the top surface of the base block is less than or equal to 5 degrees.
2. The valve with good sealing performance according to claim 1, wherein: elevating system (2) are including electric putter (21) and first bearing (22), the sealed room of bottom fixedly connected with (23) of electric putter (21), the centre of sealed room (23) bottom is provided with axis of rotation (24), the second opening has been seted up in the centre of sealed room (23) bottom, the first stopper of second opening part fixedly connected with (25), the centre fixedly connected with motor (26) at sealed room (23) inner wall top, straight spout (27) have been seted up to the top symmetry of axis of rotation (24) both sides, the bottom of the four sides of axis of rotation (24) is provided with outer tapping, the equal fixedly connected with packing ring in top and the bottom of first bearing (22), the bilateral symmetry fixedly connected with fixture block (28) of first bearing (22) inner circle inner wall.
3. A valve according to claim 2, wherein the valve has a good sealing property, and the valve further comprises: the conduction mechanism (3) comprises a supporting plate (31), a connecting rod (32) is arranged in the middle of the bottom of the supporting plate (31), a fixing block (33) is fixedly connected to the middle of the top of the supporting plate (31), negative pressure springs (34) are fixedly connected to two sides of the top of the supporting plate (31), a third opening is formed in the middle of the top of the fixing block (33), a second limiting block (35) is fixedly connected to the third opening, a fixing column (36) is fixedly connected to the middle of the bottom of the inner wall of the fixing block (33), sliding blocks (37) are symmetrically arranged on two sides of the bottom of the inner cavity of the fixing block (33), annular sliding grooves (38) are formed in the bottoms of the four sides of the inner wall of the fixing block (33), and a second bearing (39) is fixedly connected.
4. The valve with good sealing performance according to claim 1, wherein: the distance between the front end of the bottom of the valve core blocking piece (41) and the base block forms the opening degree of the valve.
5. The valve with good sealing performance according to claim 1, wherein: the top of first sealing washer (6) runs through the bottom of brace table (7) and extends to the inside of brace table (7), first sealing washer (6) and brace table (7) fixed connection, first rotation groove (9) run through the top of brace table (7) and extend to the inside of brace table (7), second rotation groove (11) run through the top of spacing post (10) and extend to the outside of spacing post (10) bottom.
6. A valve according to claim 2, wherein the valve has a good sealing property, and the valve further comprises: the electric push rod (21) is fixedly connected in the middle of the top of the inner wall of the support column (8), the first bearing (22) is fixedly connected with the top of the four sides of the inner wall of the second rotating groove (11), one end of the rotating shaft (24) close to the sealing chamber (23) penetrates through the first limiting block (25) and extends to the inside of the sealing chamber (23), one end of the rotating shaft (24) is fixedly connected with an output shaft of the motor (26), the other end of the rotating shaft (24) penetrates through the first bearing (22), the second rotating groove (11) and the first rotating groove (9) and extends to the inside of the supporting platform (7), the rotating shaft (24) is attached to the first bearing (22), the external tapping of the rotating shaft (24) is staggered with the internal tapping of the first rotating groove (9), one end of the clamping block (28), which is far away from the rotating shaft (24), extends into the straight sliding groove (27) and is attached to the inner wall of the straight sliding groove (27).
7. A valve according to claim 3, wherein the valve has a good sealing property, and the valve further comprises: the supporting plate (31) is arranged in the center of an inner cavity of the supporting table (7), one end of the negative pressure spring (34) far away from the supporting plate (31) is symmetrically and fixedly connected to two sides of the top of the inner wall of the supporting table (7), the other end of the rotating shaft (24) penetrates through the second limiting block (35) and extends to the inside of the fixed block (33), one end of the fixed column (36) penetrates through the other end of the rotating shaft (24) and extends to the inside of the wall body of the rotating shaft (24), one end of the second bearing (39) far away from the fixed column (36) is fixedly connected with the wall body of the rotating shaft (24), the rotating shaft (24) is attached to the second limiting block (35), one end of the connecting rod (32) far away from the supporting plate (31) penetrates through the first sealing ring (6) and extends to the inside of the water diversion pipe (1), and the connecting rod (32, one end of the sliding block (37) extends to the inside of the annular sliding groove (38) and is attached to the inner wall of the annular sliding groove (38), and the other end of the sliding block (37) is symmetrically and fixedly connected to the bottoms of two sides of the rotating shaft (24).
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010392389.4A CN111536290A (en) | 2018-07-11 | 2018-07-11 | Valve with good sealing performance |
| CN201810756155.6A CN108953635B (en) | 2018-07-11 | 2018-07-11 | Valve with good sealing performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810756155.6A CN108953635B (en) | 2018-07-11 | 2018-07-11 | Valve with good sealing performance |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010392389.4A Division CN111536290A (en) | 2018-07-11 | 2018-07-11 | Valve with good sealing performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108953635A CN108953635A (en) | 2018-12-07 |
| CN108953635B true CN108953635B (en) | 2020-08-04 |
Family
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Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810756155.6A Active CN108953635B (en) | 2018-07-11 | 2018-07-11 | Valve with good sealing performance |
| CN202010392389.4A Withdrawn CN111536290A (en) | 2018-07-11 | 2018-07-11 | Valve with good sealing performance |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010392389.4A Withdrawn CN111536290A (en) | 2018-07-11 | 2018-07-11 | Valve with good sealing performance |
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| Country | Link |
|---|---|
| CN (2) | CN108953635B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111682497B (en) * | 2020-05-26 | 2021-06-11 | 广东电网有限责任公司 | Cable connection device of mobile substation |
| CN112484778B (en) * | 2020-11-20 | 2022-03-04 | 西安石油大学 | Explosion-proof inspection device for petroleum safety management |
| CN113324046B (en) * | 2021-05-28 | 2022-09-27 | 中国工程物理研究院总体工程研究所 | Axial driving type all-metal diaphragm valve |
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| US4969628A (en) * | 1989-11-20 | 1990-11-13 | Robertshaw Controls Company | Valve construction and method of making the same |
| CN105200211A (en) * | 2015-08-31 | 2015-12-30 | 无锡华虹信息科技有限公司 | Partial rotation valve electric executor and application method thereof |
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| CN2495862Y (en) * | 2001-08-03 | 2002-06-19 | 浙江求精泵阀制造有限公司 | Leakage-proof and multi-functional shutoff valve |
| CN203176404U (en) * | 2013-04-27 | 2013-09-04 | 厦门维克机械设备有限公司 | Valve |
| CN203421249U (en) * | 2013-07-30 | 2014-02-05 | 吴东超 | Inductive flashing valve |
| JP6082095B1 (en) * | 2015-12-24 | 2017-02-15 | アスカ工業株式会社 | Valve device |
| CN206280510U (en) * | 2016-10-16 | 2017-06-27 | 吴兆田 | A kind of flap can leave the stop valve of runner |
| CN206206627U (en) * | 2016-11-20 | 2017-05-31 | 江苏庆海石油机械有限公司 | One kind rotates spin press-down type stop valve |
| CN206682326U (en) * | 2017-04-20 | 2017-11-28 | 浙江万国流体设备科技有限公司 | A kind of pipeline valve device |
| CN108194643A (en) * | 2017-12-27 | 2018-06-22 | 吴阿凌 | Water supply stake |
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2018
- 2018-07-11 CN CN201810756155.6A patent/CN108953635B/en active Active
- 2018-07-11 CN CN202010392389.4A patent/CN111536290A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4969628A (en) * | 1989-11-20 | 1990-11-13 | Robertshaw Controls Company | Valve construction and method of making the same |
| CN105200211A (en) * | 2015-08-31 | 2015-12-30 | 无锡华虹信息科技有限公司 | Partial rotation valve electric executor and application method thereof |
| CN107420558A (en) * | 2016-12-29 | 2017-12-01 | 大唐环境产业集团股份有限公司 | A kind of individual layer valve plate positive pressure gas seals bypass valve |
| CN206802412U (en) * | 2017-06-12 | 2017-12-26 | 李永玮 | Gas gathering and transportation safety anti-explosive control device |
| CN207486141U (en) * | 2017-11-03 | 2018-06-12 | 高特控股集团有限公司 | A kind of fluid conveying check-valves |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111536290A (en) | 2020-08-14 |
| CN108953635A (en) | 2018-12-07 |
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Effective date of registration: 20200709 Address after: 325000 room 1606, building 26, jinxiyuan, No.1, Qicai Road, Qidu street, Lucheng District, Wenzhou City, Zhejiang Province (for office use only) Applicant after: Wenzhou Lucheng Yuanlong Electrical Technology Co.,Ltd. Address before: Wencheng County of Wenzhou City, Zhejiang province 325300 rocky mountain village 29 No. 11 overseas Chinese town Applicant before: Wang Xin |
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Effective date of registration: 20220112 Address after: 201400 No. 365, Fengjin Road, Fengxian District, Shanghai Patentee after: SHANGHAI HIGH & MEDIUM PRESSURE VALVE Co.,Ltd. Address before: 325000 room 1606, building 26, jinxiyuan, No.1, Qicai Road, Qidu street, Lucheng District, Wenzhou City, Zhejiang Province (for office use only) Patentee before: Wenzhou Lucheng Yuanlong Electrical Technology Co.,Ltd. |
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