CN111692368A - Electric vacuum ball valve - Google Patents
Electric vacuum ball valve Download PDFInfo
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- CN111692368A CN111692368A CN202010549249.3A CN202010549249A CN111692368A CN 111692368 A CN111692368 A CN 111692368A CN 202010549249 A CN202010549249 A CN 202010549249A CN 111692368 A CN111692368 A CN 111692368A
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- valve
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- mounting hole
- sealing
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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
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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
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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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
- F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
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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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
- F16K41/023—Spindle sealings with stuffing-box ; Sealing rings for spindles which only rotate, i.e. non-rising spindles
- F16K41/026—Spindle sealings with stuffing-box ; Sealing rings for spindles which only rotate, i.e. non-rising spindles for rotating valves
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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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
- F16K41/04—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing
- F16K41/043—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing for spindles which only rotate, i.e. non-rising spindles
- F16K41/046—Spindle sealings with stuffing-box ; Sealing rings with at least one ring of rubber or like material between spindle and housing for spindles which only rotate, i.e. non-rising spindles for rotating valves
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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
- F16K5/06—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
- F16K5/0673—Composite packings
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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
- F16K5/0663—Packings
- F16K5/0694—Spindle sealings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to the field of valves, and particularly discloses an electric vacuum ball valve which comprises a valve body, wherein a valve seat is arranged in a valve cavity, a ball body is arranged in the valve seat, and the ball body is connected with a valve rod through a groove; be provided with the mounting hole of intercommunication valve pocket on the valve body, the cover is equipped with the packing pad on the valve rod, the packing pad arrange in on the ladder of mounting hole, the cover is equipped with the packing layer on the valve rod, the top of valve body is provided with the support, the support is fixed on the valve body, and will seal and press the cover to press and carry out spacingly in the mounting hole, the fixed electrodynamic type valve drive that sets up in top of support, electrodynamic type valve drive's output is connected with the valve rod. The adjustable packing layer has the advantages that the packing layer is of an adjustable structure, the packing layer is arranged between the sealing pressing sleeve and the packing pad, and the sealing strength can be adjusted by adjusting the force of the sealing pressing sleeve pressing the packing layer.
Description
Technical Field
The invention relates to the field of valves, in particular to an electric vacuum ball valve.
Background
The vacuum ball valve is a ball valve which has working pressure lower than standard atmospheric pressure and forms certain vacuum. The valve obtained by the vacuum ball valve is in a straight-through type and sealed by the spherical surface, so the valve can be used in a vacuum state and a low-pressure state, can be installed at any position to switch on or off medium flow in a vacuum system pipeline, and is applied to the fields of vacuum, dairy products, wine industry, bioengineering, food, pharmacy, beverages, cosmetics and chemical industry.
The interior of the existing vacuum ball valve is sealed by a sealing gasket, the hollow ball valve is troublesome to assemble in the production process, and the condition of poor sealing can occur when the hollow ball valve is not assembled in place; due to long-term use, the sealing gasket is worn and the sealing effect is deteriorated.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an electric vacuum ball valve which has good sealing performance and can adjust the sealing strength.
The purpose of the invention is realized by the following technical scheme: an electric vacuum ball valve comprises a valve body, wherein a left body is connected to one side of the valve body, a valve cavity is arranged in the valve body, a valve seat is arranged in the valve cavity, a ball body is arranged in the valve seat, a groove is formed in the top of the ball body, and the ball body is connected with a valve rod through the groove;
the valve body is provided with a mounting hole communicated with the valve cavity, the valve rod penetrates through the mounting hole, the mounting hole is a stepped hole, the valve rod is sleeved with a packing pad, the packing pad is arranged on a step of the mounting hole, the valve rod is sleeved with a packing layer, the packing layer comprises an extrusion layer and a middle deformation layer, the upper side and the lower side of the middle deformation layer are both provided with the extrusion layers, the middle deformation layer is provided with V-shaped grooves in the upper surface and the lower surface, one side of the extrusion layer is provided with a V-shaped bulge, the V-shaped bulge of the extrusion layer is arranged in the V-shaped groove of the middle deformation layer, and the included angle of the V-shaped bulge is larger than that of the V-shaped groove; one side, opposite to the V-shaped bulge, of the extrusion layer positioned below the middle deformation layer is attached to the packing pad;
the valve rod is also sleeved with a sealing pressing sleeve, the bottom of the sealing pressing sleeve is pressed on the extrusion layer positioned above the middle deformation layer, the sealing pressure sleeve is in sliding fit with the mounting hole, a first annular sealing groove is arranged on the side wall of the lower end of the sealing pressure sleeve, a first O-shaped sealing ring is arranged in the first annular sealing groove, the first O-shaped sealing ring is arranged between the sealing pressing sleeve and the mounting hole, a second annular sealing groove is arranged on the outer side wall of the valve rod, a second O-shaped sealing ring is arranged in the second annular sealing groove, the second O-shaped sealing ring is arranged between the valve rod and the sealing pressing sleeve, the top end of the valve body is provided with a support which is fixed on the valve body, and will seal the pressure cover and press and carry on spacingly in the mounting hole to it, the fixed electrodynamic type valve drive arrangement that sets up in top of support, electrodynamic type valve drive arrangement's output and valve rod are connected.
Specifically, the bottom of the V-shaped groove of the middle deformation layer is arc-shaped.
Specifically, the top of the V-shaped protrusion of the extrusion layer is arc-shaped.
Specifically, the outer side wall of the sealing pressing sleeve is provided with a step which is matched with the step of the stepped hole.
Specifically, the valve body is connected with the left body through a bolt, and a third O-shaped sealing ring is arranged between the valve body and the left body.
Specifically, electrodynamic type valve drive arrangement includes the power head, the output shaft coupling adapter sleeve of power head, the adapter sleeve is connected to the upper end of valve rod.
Specifically, the periphery of the lower end of the valve rod is provided with a boss, a sliding gasket is arranged between the boss and the packing pad, and the sliding gasket is sleeved on the valve rod.
The invention has the following advantages: the packing layer is of an adjustable structure, the packing layer is arranged between the sealing pressing sleeve and the packing pad, the sealing strength can be adjusted by adjusting the force of the sealing pressing sleeve pressing the packing layer, the packing layer comprises an extrusion layer and an intermediate deformation layer, the intermediate deformation layer is arranged between the two extrusion layers, when the packing layer is used, the sealing pressing sleeve is adjusted to press downwards, the two extrusion layers can extrude the intermediate deformation layer to force the intermediate deformation layer to deform, the intermediate deformation layer is tightly attached to the mounting hole and the valve rod, the sealing performance is sequentially enhanced, the upper surface and the lower surface of the intermediate deformation layer are both provided with V-shaped grooves, when the sealing pressing sleeve presses downwards, the V-shaped bulges on the extrusion layers are pressed into the V-shaped grooves of the intermediate deformation layer, because the included angle of the V-shaped bulges is larger than that of the V-shaped grooves, when the V-shaped bulges are pressed into the V-shaped grooves of the intermediate deformation layer, the V-shaped bulges can extrude the two side walls of the, force the outside deformation of both sides wall of V type recess, just so make its both sides press respectively on the lateral wall of valve rod and the inside wall of mounting hole when deformation, reach the effect of reinforcing sealing performance.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an enlarged schematic view of the structure at A in FIG. 1;
in the figure: 1-a valve body, 2-a left body, 3-a sphere, 4-a third O-shaped sealing ring, 5-a connecting bolt, 6-a valve seat, 7-a valve rod, 8-a sliding gasket, 9-a packing layer, 91-an intermediate deformation layer, 92-an extrusion layer, 10-a packing pad, 11-a first O-shaped sealing ring, 12-a second O-shaped sealing ring, 13-a sealing pressing sleeve, 14-a support, 15-a connecting sleeve, 16-an electric valve driving device and 17-an electric head.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the invention, are intended for purposes of illustration only and are not intended to limit the scope of the invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following.
As shown in fig. 1-2, an electric vacuum ball valve comprises a valve body 1, wherein a left body 2 is connected to one side of the valve body 1, a valve cavity is arranged in the valve body 1, a valve seat 6 is arranged in the valve cavity, a ball 3 is arranged in the valve seat 6, a groove is formed in the top of the ball 3, and the ball 3 is connected with a valve rod 7 through the groove; the left body 2 is connected with the valve body 1 to fix the valve seat 6 in the valve cavity, the left body 2 is connected with the valve body 1 to form a complete valve cavity, and the valve body 1 and the left body 2 are both provided with gas channels communicated with the valve cavity; the left body 2 is provided with an installation flange, and when the device is used, the device is connected with other components through the installation flange.
The valve body 1 is provided with a mounting hole communicated with the valve cavity, the valve rod 7 is arranged in the mounting hole in a penetrating mode, the mounting hole is a stepped hole, the mounting hole is provided with a plurality of steps, the inner diameter of the mounting hole is reduced from top to bottom, the valve rod 7 is sleeved with a packing pad 10, the packing pad 10 is arranged on one step of the mounting hole, specifically, on the bottommost step, the packing pad 10 is annular, the width of the packing pad is equal to the gap distance between the valve rod 7 and the mounting hole, the packing pad 10 is made of 304 stainless steel materials, the valve rod 7 is sleeved with a packing layer 9, the packing layer 9 comprises an extrusion layer 92 and an intermediate deformation layer 91, the upper side and the lower side of the intermediate deformation layer 91 are both provided with extrusion layers 92, the upper surface and the lower surface of the intermediate deformation layer 91 are provided with V-shaped grooves, one side of the extrusion layer 92 is provided with a V-shaped bulge, and the V-shaped bulge of the extrusion layer 92 is arranged in the V-shaped groove of the, the included angle of the V-shaped protrusion is larger than that of the V-shaped groove; the side, opposite to the V-shaped bulge, of the extrusion layer 92 positioned below the middle deformation layer 81 is attached to the packing pad 10; the packing layer 9 arranged mainly plays a role in sealing, the vacuum valve is mainly used in a vacuum system, which has high requirements on the sealing performance of the vacuum ball valve, the packing layer 9 arranged in the scheme can play a good sealing performance, the packing layer 9 adopts polytetrafluoroethylene materials, the packing layer 9 in the scheme is of an adjustable structure, the packing layer 9 is arranged between a sealing pressure sleeve 13 and a packing pad 10, the sealing strength can be adjusted by adjusting the force of the sealing pressure sleeve 13 pressing to the packing layer 9, the packing layer 9 in the scheme comprises an extrusion layer 92 and a middle deformation layer 91, the middle deformation layer 91 is arranged between the two extrusion layers 92, when the sealing pressure sleeve 13 is adjusted to press downwards, the two extrusion layers 92 can extrude the middle deformation layer 91 to force the middle deformation layer 91 to deform, so that the middle deformation layer 91 is more tightly attached to a mounting hole and a valve rod 7, and the sealing performance is sequentially enhanced, the upper surface and the lower surface of middle deformation layer 91 all are provided with V type recess, the protruding V type recess of middle deformation layer 91 that impresses of V type on the extrusion layer 92 when sealed pressure cover 13 pushes down, because the bellied contained angle of V type is greater than the contained angle of V type recess, when the protruding V type recess of middle deformation layer 91 that impresses of V type, the protruding both sides wall that can extrude V type recess of V type, force the outside deformation of both sides wall of V type recess, just so make its both sides press respectively on the lateral wall of valve rod 7 and the inside wall of mounting hole when deformation, reach reinforcing sealing performance's effect.
The valve rod 7 is further sleeved with a sealing pressure sleeve 13, the bottom of the sealing pressure sleeve 13 is pressed on an extrusion layer 92 positioned above the middle deformation layer 91, the sealing pressure sleeve 13 is in sliding fit with the mounting hole, a first annular sealing groove is formed in the side wall of the lower end of the sealing pressure sleeve 13, a first O-shaped sealing ring 11 is arranged in the first annular sealing groove, the first O-shaped sealing ring 11 is made of a fluororubber material, the first O-shaped sealing ring 11 is arranged between the sealing pressure sleeve 13 and the mounting hole to seal the mounting hole, a second annular sealing groove is formed in the outer side wall of the valve rod 7, a second O-shaped sealing ring 12 is arranged in the second annular sealing groove, the second O-shaped sealing ring 12 is made of a fluororubber material, the second O-shaped sealing ring 12 is arranged between the valve rod 7 and the sealing pressure sleeve 13 to seal the valve rod 7 and the sealing pressure sleeve 13, the top of valve body 7 is provided with support 14, support 14 is fixed on valve body 1, and will seal and press cover 13 to press and carry on spacingly to it in the mounting hole, the fixed electrodynamic type valve drive device 16 that sets up in top of support 14, electrodynamic type valve drive device 16's output and valve rod 7 are connected. The support 14 is used for connecting the valve body 1 and the electrodynamic type valve driving device 16, wherein one end of the valve rod 7 passes through the support 14 to be connected with the output end of the electrodynamic type valve driving device 16, and when the valve is used, a user can drive the valve rod 7 to rotate by controlling the electrodynamic type valve driving device 16, so that the ball body 3 is driven to rotate in the valve cavity, and the on-off of the valve is controlled.
Further, the bottom of the V-shaped groove of the middle deformation layer 91 is arc-shaped.
Further, the top of the V-shaped protrusion of the extrusion layer 92 is arc-shaped.
Further, the outer side wall of the sealing press sleeve 13 is provided with a step, and the outer side wall is matched with the step of the stepped hole.
Further, the valve body 1 is connected with the left body 2 through a connecting bolt 5, a third O-shaped sealing ring 4 is arranged between the valve body 1 and the left body 2, and the third O-shaped sealing ring 4 is made of a fluororubber material.
Further, electrodynamic type valve drive arrangement 16 includes electronic head 17, electronic head 17's output shaft connecting sleeve 15, connecting sleeve 15 is connected to the upper end of valve rod 7.
Further, a boss is arranged on the periphery of the lower end of the valve rod 7, a sliding gasket 8 is arranged between the boss and the packing pad 10, and the sliding gasket 8 is sleeved on the valve rod 7. Sliding gasket 8 adopts the polytetrafluoroethylene material, there is the difference in height at the upper surface of the boss of the setting of the lower extreme of valve rod 7 and the upper surface of the step of shoulder hole bottommost when the assembly, and the boss overlaps in the downthehole of the step of shoulder hole bottommost, packing pad 10 has the difference in height's condition under the upper surface of boss and the upper surface of the step of shoulder hole bottommost like this, packing pad 10's one end can be unsettled, can influence the sealing performance of packing layer 9 like this, so set up sliding gasket 8 between boss and packing pad 10, support the unsettled part of packing pad 10.
Furthermore, the upper end of the mounting hole is provided with an internal thread, the outside of the sealing pressing sleeve 13 is provided with an external thread, the sealing pressing sleeve 13 is in threaded connection with the mounting hole, and the force of the sealing pressing sleeve 13 pressing the packing layer 9 can be adjusted to adjust the sealing strength by rotating the sealing pressing sleeve 13 during adjustment.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art can make numerous possible variations and modifications to the described embodiments, or modify equivalent embodiments, without departing from the scope of the invention. Therefore, any modification, equivalent change and modification made to the above embodiments according to the technology of the present invention are within the protection scope of the present invention, unless the content of the technical solution of the present invention is departed from.
Claims (9)
1. An electric vacuum ball valve, characterized in that: the valve comprises a valve body (1), wherein a left body (2) is connected to one side of the valve body (1), a valve cavity is arranged in the valve body (1), a valve seat (6) is arranged in the valve cavity, a ball body (3) is arranged in the valve seat (6), a groove is formed in the top of the ball body (3), and the ball body (3) is connected with a valve rod (7) through the groove;
the valve body (1) is provided with a mounting hole communicated with the valve cavity, the valve rod (7) is arranged in the mounting hole in a penetrating way, the mounting hole is a stepped hole, a packing pad (10) is sleeved on the valve rod (7), the packing pad (10) is arranged on a step of the mounting hole, the valve rod (7) is sleeved with the packing layer (9), the filler layer (9) comprises an extrusion layer (92) and an intermediate deformation layer (91), the upper side and the lower side of the middle deformation layer (91) are both provided with an extrusion layer (92), the upper surface and the lower surface of the middle deformation layer (91) are provided with V-shaped grooves, one side of the extrusion layer (92) is provided with a V-shaped bulge, the V-shaped bulge of the extrusion layer (92) is arranged in the V-shaped groove of the middle deformation layer (91), and the included angle of the V-shaped bulge is larger than that of the V-shaped groove; one side, opposite to the V-shaped bulge, of the extrusion layer (92) positioned below the middle deformation layer (81) is attached to the packing pad (10);
the valve rod (7) is further sleeved with a sealing pressure sleeve (13), the bottom of the sealing pressure sleeve (13) is pressed on an extrusion layer (92) positioned above the middle deformation layer (91), the sealing pressure sleeve (13) is in sliding fit with the mounting hole, a first annular sealing groove is formed in the side wall of the lower end of the sealing pressure sleeve (13), a first O-shaped sealing ring (11) is arranged in the first annular sealing groove, the first O-shaped sealing ring (11) is arranged between the sealing pressure sleeve (13) and the mounting hole, a second annular sealing groove is formed in the outer side wall of the valve rod (7), a second O-shaped sealing ring (12) is arranged in the second annular sealing groove, the second O-shaped sealing ring (12) is arranged between the valve rod (7) and the sealing pressure sleeve (13), a support (14) is arranged at the top end of the valve body (7), and the support (14) is fixed on the valve body (1), and will seal and press cover (13) pressure and carry on spacingly in the mounting hole to it, the fixed electrodynamic type valve drive arrangement (16) that sets up in top of support (14), the output and the valve rod (7) of electrodynamic type valve drive arrangement (16) are connected.
2. An electrically powered vacuum ball valve as defined in claim 1, wherein: the bottom of the V-shaped groove of the middle deformation layer (91) is arc-shaped.
3. An electrically powered vacuum ball valve as defined in claim 1, wherein: the top of the V-shaped bulge of the extrusion layer (92) is arc-shaped.
4. An electrically powered vacuum ball valve as defined in claim 1, wherein: the outer side wall of the sealing pressing sleeve (13) is provided with a step which is matched with the step of the stepped hole.
5. An electrically powered vacuum ball valve as defined in claim 1, wherein: the valve body (1) is connected with the left body (2) through a connecting bolt (5), and a third O-shaped sealing ring (4) is arranged between the valve body (1) and the left body (2).
6. An electrically powered vacuum ball valve as defined in claim 1, wherein: electrodynamic type valve drive arrangement (16) include electric head (17), output shaft coupling adapter sleeve (15) of electric head (17), adapter sleeve (15) are connected to the upper end of valve rod (7).
7. An electrically powered vacuum ball valve as defined in claim 1, wherein: the periphery of the lower end of the valve rod (7) is provided with a boss, a sliding gasket (8) is arranged between the boss and the packing pad (10), and the sliding gasket (8) is sleeved on the valve rod (7).
8. An electrically powered vacuum ball valve as defined in claim 1, wherein: the upper end of the mounting hole is provided with an internal thread, the outside of the sealing pressure sleeve (13) is provided with an external thread, and the sealing pressure sleeve (13) is in threaded connection with the mounting hole.
9. An electrically powered vacuum ball valve as defined in claim 1, wherein: the material of the packing layer (9) is PTFE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010549249.3A CN111692368A (en) | 2020-06-16 | 2020-06-16 | Electric vacuum ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010549249.3A CN111692368A (en) | 2020-06-16 | 2020-06-16 | Electric vacuum ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111692368A true CN111692368A (en) | 2020-09-22 |
Family
ID=72481486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010549249.3A Pending CN111692368A (en) | 2020-06-16 | 2020-06-16 | Electric vacuum ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111692368A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114440000A (en) * | 2021-12-24 | 2022-05-06 | 合肥通用机械研究院有限公司 | Composite packing sealing system for ultrahigh-pressure hydrogen energy valve |
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| CN102364176A (en) * | 2011-10-26 | 2012-02-29 | 宣达实业集团有限公司 | Ball valve |
| CN205101594U (en) * | 2015-10-16 | 2016-03-23 | 重庆川仪调节阀有限公司 | Low temperature ball valve |
| CN206361248U (en) * | 2016-12-09 | 2017-07-28 | 天津百利展发集团有限公司 | A kind of ball-valve valve rod filling pressure self sealing structure |
| CN208605663U (en) * | 2018-05-07 | 2019-03-15 | 特宏阀门有限公司 | A kind of high platform seal ball-valve |
| CN210372100U (en) * | 2019-06-12 | 2020-04-21 | 江苏联新阀门有限公司 | Novel elastic sealing structure |
-
2020
- 2020-06-16 CN CN202010549249.3A patent/CN111692368A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0067403A1 (en) * | 1981-06-13 | 1982-12-22 | Klinger AG | Ball valve |
| CN102364176A (en) * | 2011-10-26 | 2012-02-29 | 宣达实业集团有限公司 | Ball valve |
| CN205101594U (en) * | 2015-10-16 | 2016-03-23 | 重庆川仪调节阀有限公司 | Low temperature ball valve |
| CN206361248U (en) * | 2016-12-09 | 2017-07-28 | 天津百利展发集团有限公司 | A kind of ball-valve valve rod filling pressure self sealing structure |
| CN208605663U (en) * | 2018-05-07 | 2019-03-15 | 特宏阀门有限公司 | A kind of high platform seal ball-valve |
| CN210372100U (en) * | 2019-06-12 | 2020-04-21 | 江苏联新阀门有限公司 | Novel elastic sealing structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114440000A (en) * | 2021-12-24 | 2022-05-06 | 合肥通用机械研究院有限公司 | Composite packing sealing system for ultrahigh-pressure hydrogen energy valve |
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Application publication date: 20200922 |