CN212959994U - Vacuum ball valve group - Google Patents
Vacuum ball valve group Download PDFInfo
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- CN212959994U CN212959994U CN202021112382.4U CN202021112382U CN212959994U CN 212959994 U CN212959994 U CN 212959994U CN 202021112382 U CN202021112382 U CN 202021112382U CN 212959994 U CN212959994 U CN 212959994U
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- ball valve
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- 238000012856 packing Methods 0.000 claims abstract description 25
- 230000000149 penetrating effect Effects 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 54
- 238000001125 extrusion Methods 0.000 claims description 30
- 230000005520 electrodynamics Effects 0.000 claims description 12
- 238000003825 pressing Methods 0.000 claims description 11
- 230000008878 coupling Effects 0.000 claims description 2
- 238000010168 coupling process Methods 0.000 claims description 2
- 238000005859 coupling reaction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 6
- 239000000463 material Substances 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229920001973 fluoroelastomer Polymers 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- -1 polytetrafluoroethylene Polymers 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002537 cosmetic Substances 0.000 description 1
- 235000013365 dairy product Nutrition 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to the field of valves, in particular to a vacuum ball valve group, which comprises a valve body, wherein a plurality of valve cavities are arranged on the valve body, two rows of valve cavities are uniformly distributed, a through hole penetrating through the valve body is arranged at a position between the two rows of valve cavities on the valve body, and the valve cavities are all communicated with the through hole; the ball valve is characterized in that a valve seat is arranged in the valve cavity, a ball body is arranged in the valve seat, a left body is arranged on one side of each corresponding valve cavity on the valve body, the left body is fixedly connected with the valve body to fix the valve seat in the valve cavity, and the ball body is connected with a ball valve driving assembly. The utility model has the advantages that the packing layer is for the structure that can adjust, and the packing layer setting is between sealed pressure cover and packing pad, can adjust sealed intensity through adjusting the power that sealed pressure cover pressed to the packing layer.
Description
Technical Field
The utility model relates to a valve field, especially a vacuum ball valve valves.
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.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a vacuum ball valve valves.
The purpose of the utility model is realized through the following technical scheme: a vacuum ball valve group comprises a valve body, wherein a plurality of valve cavities are arranged on the valve body, two rows of valve cavities are uniformly distributed, a through hole penetrating through the valve body is formed in the position, between the two rows of valve cavities, on the valve body, and the valve cavities are communicated with the through hole; the ball valve is characterized in that a valve seat is arranged in the valve cavity, a ball body is arranged in the valve seat, a left body is arranged on one side of each corresponding valve cavity on the valve body, the left body is fixedly connected with the valve body to fix the valve seat in the valve cavity, and the ball body is connected with a ball valve driving assembly.
Specifically, the upper end of the valve body is provided with a mounting hole communicated with the valve cavity, the ball valve driving assembly comprises a valve rod, the valve rod is connected with a ball body, the valve rod penetrates through the mounting hole, the mounting hole is a stepped hole, a packing layer is sleeved on the valve rod and is arranged on a step at the bottommost part of the mounting hole, 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 respectively provided with the extrusion layer, the upper surface and the lower surface of the middle deformation layer are respectively provided with a V-shaped groove, 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 of the extrusion layer positioned below the middle deformation layer, which is opposite to the V-shaped bulge, is attached to the step at the bottommost part of the mounting hole;
the valve rod on still the cover be equipped with sealed pressure cover, sealed bottom of pressing the cover press on the extrusion layer that is located middle deformation layer top, and sealed pressure cover and mounting hole sliding fit, 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 to it 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
Specifically, the lower extreme lateral wall of sealed pressure cover on be provided with first annular seal groove, first annular seal groove in be provided with first O type sealing washer, first O type sealing washer set up between sealed pressure cover and mounting hole, the lateral wall of valve rod on be provided with a plurality of second annular seal grooves, be provided with second O type sealing washer in the second annular seal groove, second O type sealing washer sets up between valve rod and sealed pressure cover.
Specifically, the top of the V-shaped protrusion of the extrusion layer is arc-shaped, and the bottom of the V-shaped groove of the middle deformation layer is arc-shaped.
Specifically, the valve body is connected with the left body through a connecting 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 outer side wall of the sealing pressing sleeve is arranged to be step-shaped and matched with the step of the stepped hole.
Specifically, the periphery of the lower end of the valve rod is provided with a boss, a sliding gasket is arranged between the upper surface of the boss and the lower surface of the step at the bottommost part of the mounting hole, and the sliding gasket is sleeved on the valve rod.
Specifically, the upper end of mounting hole be provided with the internal thread, the outside of sealed pressure cover is provided with the external screw thread, sealed pressure cover and mounting hole threaded connection.
Specifically, the two ends of the through hole are provided with plugs, and the two ends of the through hole are sealed.
The utility model has the advantages of it is following: the packing layer in the utility model is an adjustable structure, the packing layer is arranged between the sealing pressure sleeve and the step at the bottom of the mounting hole, the sealing strength can be adjusted by adjusting the force of the sealing pressure sleeve pressing to the packing layer, the packing layer comprises an extrusion layer and a middle deformation layer, the middle deformation layer is arranged between the two extrusion layers, when in use, the sealing pressure sleeve is adjusted to press downwards, the two extrusion layers can extrude the middle deformation layer to force the middle deformation layer to deform, the middle deformation layer is more tightly attached to the mounting hole and the valve rod, the sealing performance is enhanced in sequence, the upper surface and the lower surface of the middle deformation layer are both provided with V-shaped grooves, when the sealing pressure sleeve presses downwards, the V-shaped bulges on the extrusion layers are pressed into the V-shaped grooves of the middle 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 middle deformation layer, the V-shaped protrusion can extrude two side walls of the V-shaped groove to force the two side walls of the V-shaped groove to deform outwards, so that the two sides of the V-shaped groove are pressed on the outer side wall of the valve rod and the inner side wall of the mounting hole respectively when the V-shaped groove deforms, and the effect of enhancing the sealing performance is achieved.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic top view of the present invention;
FIG. 3 is a schematic sectional view of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 3;
in the figure: 1-valve body, 2-left body, 3-ball body, 4-third O-shaped sealing ring, 5-connecting bolt, 6-valve seat, 7-valve rod, 8-sliding gasket, 9-packing layer, 91-middle deformation layer, 92-extrusion layer, 10-plug, 11-first O-shaped sealing ring, 12-second O-shaped sealing ring, 13-sealing pressing sleeve, 14-support, 15-connecting sleeve, 16-electrodynamic valve driving device, 17-electrodynamic head, 18-through hole and 19-ball valve driving component.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as 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 accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to 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 description.
As shown in fig. 1 to 4, a vacuum ball valve group comprises a valve body 1, wherein a plurality of valve cavities are arranged on the valve body 1, two rows of the valve cavities are uniformly distributed, a through hole 18 penetrating through the valve body 1 is arranged between the two rows of the valve cavities on the valve body 1, and the valve cavities are all communicated with the through hole 18; the ball valve is characterized in that a valve seat 6 is arranged in the valve cavity, a ball body 3 is arranged in the valve seat 6, a left body 2 is arranged on one side of each corresponding valve cavity on the valve body 1, the left body 2 is fixedly connected with the valve body 1 to fix the valve seat 6 in the valve cavity, and the ball body 3 is connected with a ball valve driving assembly 19. The left body 2 is connected with the valve body 1 to form a complete valve cavity, and a gas passage communicated with the valve cavity is arranged on the left body 2; 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.
Further, the upper end of the valve body 1 is provided with a mounting hole communicated with the valve cavity, the ball valve driving assembly 19 comprises a valve rod 7, the valve rod 7 is connected with the ball body 3, the valve rod 7 is arranged in the mounting hole in a penetrating manner, the mounting hole is a stepped hole, a packing layer 9 is sleeved on the valve rod 7, the packing layer 9 is arranged on a step at the bottommost part of the mounting hole, the packing layer 9 comprises an extrusion layer 92 and a middle 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; the side, opposite to the V-shaped protrusion, of the extrusion layer 92 positioned below the middle deformation layer 81 is attached to the step at the bottommost part of the mounting hole; the packing layer 9 arranged mainly plays a role of sealing, the vacuum valve is mainly used in a vacuum system, the sealing performance of the vacuum ball valve has high requirements, the packing layer 9 arranged in the scheme can play good sealing performance, the packing layer 9 is made of 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 step at the bottommost part of a mounting hole, 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, the sealing pressure sleeve 13 is adjusted to press downwards when in use, the two extrusion layers 92 can extrude the middle deformation layer 91 to force the middle deformation layer 91 to deform, and the middle deformation layer 91 is attached to the mounting hole and the valve rod 7 more tightly, strengthen sealed performance in proper order, the upper surface and the lower surface of middle deformation layer 91 all are provided with V type recess, the V type recess of middle deformation layer 91 is impressed to the V type arch 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 V type arch impresses the V type recess of middle deformation layer 91, the both sides wall of V type recess can be extruded to the V type arch, 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.
Valve rod 7 on still the cover be equipped with sealed pressure cover 13, the sealed bottom of pressing cover 13 press on the extrusion layer 92 that is located middle deformation layer 91 top, and sealed pressure cover 13 and mounting hole sliding fit, 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, support 14's the fixed electrodynamic type valve drive device 16 that sets up in top, electrodynamic type valve drive device 16's output is connected with valve rod 7. 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 lower extreme lateral wall of sealed pressure cover 13 on be provided with first annular seal groove, first annular seal groove in be provided with first O type sealing washer 11, first O type sealing washer 11 adopts the fluororubber material, first O type sealing washer 11 set up between sealed pressure cover 13 and mounting hole, the lateral wall of valve rod 7 on be provided with a plurality of second annular seal grooves, be provided with second O type sealing washer 12 in the second annular seal groove, second O type sealing washer 12 adopts the fluororubber material, second O type sealing washer 12 sets up between valve rod 7 and sealed pressure cover 13.
Further, the top of the V-shaped protrusion of the extrusion layer 92 is arc-shaped, and the bottom of the V-shaped groove of the middle deformation layer 91 is arc-shaped.
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, the outer side wall of the sealing press sleeve 13 is provided with a step shape, and the outer side wall is matched with the step of the stepped hole.
Further, the periphery of the lower end of the valve rod 7 is provided with a boss, a sliding gasket 8 is arranged between the upper surface of the boss and the lower surface of the step at the bottommost part of the mounting hole, and the sliding gasket 8 is sleeved on the valve rod 7. The sliding gasket 8 is made of polytetrafluoroethylene materials, and a gap exists between a boss arranged on the periphery of the lower end of the valve rod 7 and the lower surface of the step at the bottommost part of the mounting hole during assembly, so that the sealing performance is reduced, the gap is filled after the sliding gasket 8 is arranged, and the sealing performance is enhanced.
Furthermore, 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. During adjustment, the force of the sealing pressing sleeve 13 pressing the packing layer 9 can be adjusted by rotating the sealing pressing sleeve 13 to adjust the sealing strength.
Further, plugs 10 are disposed at both ends of the through hole 18 to seal both ends of the through hole 18.
The vacuum ball valve group can be used in places with special requirements on installation positions of installation spaces.
The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any way. The technical solutions of the present invention can be used by anyone skilled in the art to make many possible variations and modifications to the technical solution of the present invention, or to modify equivalent embodiments with equivalent variations, without departing from the scope of the technical solution of the present invention. Therefore, any modification, equivalent change and modification of the above embodiments according to the present invention are all within the protection scope of the present invention.
Claims (10)
1. The utility model provides a vacuum ball valve valves which characterized in that: the valve comprises a valve body (1), wherein a plurality of valve cavities are arranged on the valve body (1), two rows of valve cavities are uniformly distributed, a through hole (18) penetrating through the valve body (1) is formed in the position, between the two rows of valve cavities, of the valve body (1), and the valve cavities are all communicated with the through hole (18); the ball valve is characterized in that a valve seat (6) is arranged in the valve cavity, a ball body (3) is arranged in the valve seat (6), a left body (2) is arranged on one side of each corresponding valve cavity on the valve body (1), the valve seat (6) is fixed in the valve cavity by the left body (2) and the valve body (1) in a fixed connection mode, and the ball body (3) is connected with a ball valve driving assembly (19).
2. A vacuum ball valve manifold as set forth in claim 1 wherein: the ball valve driving assembly (19) comprises a valve rod (7), the valve rod (7) is connected with a ball body (3), the valve rod (7) is arranged in the mounting hole in a penetrating mode, the mounting hole is a stepped hole, a packing layer (9) is sleeved on the valve rod (7), the packing layer (9) is arranged on a step at the bottommost part of the mounting hole, the packing layer (9) comprises an extrusion layer (92) and a middle deformation layer (91), the upper side and the lower side of the middle deformation layer (91) are respectively provided with an extrusion layer (92), the upper surface and the lower surface of the middle deformation layer (91) are provided with a V-shaped groove, 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), the included angle of the V-shaped protrusion 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 (91) is attached to the step at the bottommost part of the mounting hole;
valve rod (7) on still the cover be equipped with sealed pressure cover (13), the sealed bottom of pressing cover (13) press on extrusion layer (92) of deformation layer (91) top in the middle of being located, and sealed pressure cover (13) and mounting hole sliding fit, the top of valve body (1) is provided with support (14), support (14) are fixed on valve body (1), and will seal and press cover (13) to press and carry out spacingly to it in the mounting hole, the top of support (14) is fixed and is set up electrodynamic type valve drive device (16), the output and the valve rod (7) of electrodynamic type valve drive device (16) are connected.
3. A vacuum ball valve manifold as set forth in claim 2 wherein: the lower extreme lateral wall of sealed pressure cover (13) on be provided with first annular seal groove, first annular seal groove in be provided with first O type sealing washer (11), first O type sealing washer (11) set up between sealed pressure cover (13) and mounting hole, the lateral wall of valve rod (7) on be provided with a plurality of second annular seal grooves, be provided with second O type sealing washer (12) in the second annular seal groove, second O type sealing washer (12) set up between valve rod (7) and sealed pressure cover (13).
4. A vacuum ball valve manifold as set forth in claim 2 wherein: the top of the V-shaped bulge of the extrusion layer (92) is arc-shaped, and the bottom of the V-shaped groove of the middle deformation layer (91) is arc-shaped.
5. A vacuum ball valve manifold as set forth in claim 2 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. A vacuum ball valve manifold as set forth in claim 2 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. A vacuum ball valve manifold as set forth in claim 2 wherein: the outer side wall of the sealing pressing sleeve (13) is arranged to be step-shaped and matched with the step of the stepped hole.
8. A vacuum ball valve manifold as set forth in claim 2 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 upper surface of the boss and the lower surface of the step at the bottommost part of the mounting hole, and the valve rod (7) is sleeved with the sliding gasket (8).
9. A vacuum ball valve manifold as set forth in claim 2 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.
10. A vacuum ball valve manifold as set forth in claim 1 wherein: the two ends of the through hole (18) are provided with plugs (10) for sealing the two ends of the through hole (18).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021112382.4U CN212959994U (en) | 2020-06-16 | 2020-06-16 | Vacuum ball valve group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021112382.4U CN212959994U (en) | 2020-06-16 | 2020-06-16 | Vacuum ball valve group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212959994U true CN212959994U (en) | 2021-04-13 |
Family
ID=75387086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021112382.4U Expired - Fee Related CN212959994U (en) | 2020-06-16 | 2020-06-16 | Vacuum ball valve group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212959994U (en) |
-
2020
- 2020-06-16 CN CN202021112382.4U patent/CN212959994U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210413 |