CN209340518U - A kind of vacuum machine valve - Google Patents
A kind of vacuum machine valve Download PDFInfo
- Publication number
- CN209340518U CN209340518U CN201822225435.2U CN201822225435U CN209340518U CN 209340518 U CN209340518 U CN 209340518U CN 201822225435 U CN201822225435 U CN 201822225435U CN 209340518 U CN209340518 U CN 209340518U
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- CN
- China
- Prior art keywords
- valve
- movable supporting
- supporting board
- current
- valve body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of vacuum machine valves, are related to valving field.The utility model includes valve body and valve rod, the water outlet inner wall of valve body is equipped with a current-limiting mechanism, current-limiting mechanism includes the current limiting plate, movable supporting board and support frame being arranged on the inner wall of water outlet, and movable supporting board is evenly equipped with several metering holes between current limiting plate and support frame, on current limiting plate；Movable supporting board is equipped with the support rod matched with current limliting hole site close to the one side of current limiting plate, and the top of support rod is equipped with one first stifled ball, and the top of the first stifled ball is equipped with a strut, and the end of strut is equipped with one second stifled ball；Current-limiting mechanism further includes a shaft being fixed on movable supporting board, and the top of shaft is connected by a bearing with valve rod.The utility model by by valve rod, stifled ball, current limiting plate, strut and support bar group at current-limiting mechanism, the opening and closing of valve body and aperture is adjusted in effective realize, conventional seal assemblies and valve body is avoided to be used for a long time to generate and wear and cause to reveal.
Description
Technical field
The utility model belongs to valving field, more particularly to a kind of vacuum machine valve.
Background technique
Vacuum valve refers to that operating pressure is lower than the valve of standard atmospheric pressure.Existing vacuum valve mostly uses valve rod band piston
The folding moved to realize valve in the axial direction.Piston is also easy to produce abrasion with valve interior wall friction for a long time, the piston after abrasion
Gap is generated between valve interior wall, valve body is caused to be difficult to completely close at this time, it may appear that the case where leakage；Valve rod and valve simultaneously
For body using being threadedly coupled, situations such as abrasion is seeped water so as to cause threaded connection place can also be had by being used for a long time；At this time
It generally requires to replace seal assembly in time, otherwise the intracorporal fluid media (medium) of valve is leaked to seal assembly upper end along shaft and rod set
Actuator, easily lead to the damage of actuator, most of vacuum valve is no seal leakage display design at present, works as fluid
Medium flows into seal assembly upper end, and actuator will be damaged by leaking into actuator.
Utility model content
The purpose of this utility model is to provide a kind of vacuum machine valves, by by valve rod, stifled ball, current limiting plate, strut
With support bar group at current-limiting mechanism, the opening and closing of valve body and aperture is adjusted in effective realize, avoids conventional seals group
Part is used for a long time with valve body to be generated abrasion and causes to reveal.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
The utility model is a kind of vacuum machine valve, including valve body and valve rod, is set on the water outlet inner wall of the valve body
There is a current-limiting mechanism, the current-limiting mechanism includes the current limiting plate, movable supporting board and support frame being arranged on the inner wall of water outlet, described
Movable supporting board is evenly equipped with several metering holes between the current limiting plate and support frame on the current limiting plate；
The movable supporting board is equipped with the support rod matched with current limliting hole site, the branch close to the one side of current limiting plate
The top of strut is equipped with a first stifled ball matched with metering hole, and the top of the first stifled ball is equipped with one and extends through current limliting
The end of the strut in hole, the strut is equipped with a second stifled ball matched with metering hole；If being offered on the movable supporting board
Dry through-hole, the side of the movable supporting board are embedded with the steel ball that can be rolled along valve interior wall；The movable supporting board and support frame it
Between be connected with several first springs；
The current-limiting mechanism further includes the shaft that an one end is fixed on movable supporting board, and the top of the shaft passes through an axis
It holds and is connected with valve rod；The movable supporting board is equipped with the rectangular opening that a section matched with shaft is " I " fonts, is located at
The first sealed bolster plate and the second sealed bolster plate are respectively equipped on the shaft of the rectangular opening two sides；The section of the shaft is a square
Shape；
A valve deck is additionally provided on the valve body, one end side of the valve rod is equipped with the piston matched with valve deck.
Further, the water inlet end inner wall of the valve body is equipped with a filter screen.
Further, the both ends of the metering hole are in bell mouth shape outwardly.
Further, the top of the valve rod is equipped with one and manages block.
Further, the side of the valve deck is equipped with a leakage detection room, the leakage detection room and valve deck by being arranged in valve deck side
Filtration hole on wall is connected；A limit substrate and leakproof substrate are equipped in the leakage detection room；The limit substrate and leakproof base
Run through on plate equipped with a dead man, the dead man and limit substrate and leakproof substrate is slidably matched and end extends through leakage detection room
Top；
The bottom of the leakage detection room is equipped with an apopore, and it is stifled that one is equipped at the apopore on the leakage detection chamber outer wall
Plug；The leakproof substrate is equipped with a leak stopping hole being slidably matched with dead man；
The dead man in region is equipped with a mounting ring, the mounting ring and limit between the limit substrate and apopore
A second spring is equipped between substrate；The bottom end of the dead man, which is equipped with, blocks up ball, the dead man with the third of apopore cooperation sealing
Top be additionally provided with one with leak stopping hole cooperation sealing the 4th stifled ball, the top of the dead man is additionally provided with a T-type handle.
Further, the apopore is in the shape of a trumpet close to one end of limit substrate, and the leak stopping hole is far from limit base
One end of plate is in the shape of a trumpet.
The utility model has the following beneficial effects:
The utility model by by valve rod, stifled ball, current limiting plate, strut and support bar group at current-limiting mechanism, it is effective real
Now the opening and closing of valve body and aperture are adjusted, avoids conventional seal assemblies from being used for a long time with valve body and generates abrasion and cause to let out
Dew；The utility model is equipped with two stifled balls by dead man by being equipped with a leakage detection room in the side of valve deck, and realization passes through leakage detection
Room carries out leakage detection, and then is handled in time, and the service life and safety of actuator are effectively improved；Simultaneously by valve
Body water inlet end is equipped with a filter screen, avoids impurity from entering in valve body and blocks rectangular opening, through-hole and metering hole.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the utility model vacuum machine valve mechanism schematic diagram；
Fig. 2 is partial enlarged view at A in Fig. 1；
Fig. 3 is partial enlarged view at B in Fig. 1；
Fig. 4 is partial enlarged view at C in Fig. 1；
Fig. 5 is partial enlarged view at D in Fig. 4.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
In the description of the present invention, it should be understood that term " aperture ", "upper", "lower", " thickness ", "top",
" in ", " length ", "inner", indicating positions or the positional relationship such as " surrounding ", be merely for convenience of description the utility model and simplification
Description, rather than the component or element of indication or suggestion meaning must have a particular orientation, and are constructed and grasped with specific orientation
Make, therefore should not be understood as limiting the present invention.
It please refers to shown in Fig. 1-5, the utility model is a kind of vacuum machine valve, including valve body 1 and valve rod 2, valve body 1
Water outlet inner wall is equipped with a current-limiting mechanism, and current-limiting mechanism includes the current limiting plate 5 being arranged on the inner wall of water outlet, movable supporting board 6
With support frame 3, movable supporting board 6 is evenly equipped with several metering holes 51 between current limiting plate 5 and support frame 3 on current limiting plate 5；
Movable supporting board 6 is equipped with the support rod 63 matched with 51 position of metering hole, support close to the one side of current limiting plate 5
The top of bar 63 is equipped with a first stifled ball 64 matched with metering hole 51, and the top of the first stifled ball 64 is equipped with one and extends through limit
The end of the strut 65 of discharge orifice 51, strut 65 is equipped with a second stifled ball 66 matched with metering hole 51；It is opened up on movable supporting board 6
There are several through-holes 61, the side of movable supporting board 6 is embedded with the steel ball 62 that can be rolled along 1 inner wall of valve body；Movable supporting board 6 and support frame
Several first springs 31 are connected between 3；
Current-limiting mechanism further includes the shaft 4 that an one end is fixed on movable supporting board 6, and the top of shaft 4 passes through a bearing 43
It is connected with valve rod 2；Movable supporting board 6 is equipped with the rectangular opening 52 that a section matched with shaft 4 is " I " fonts, is located at square
The first sealed bolster plate 41 and the second sealed bolster plate 42 are respectively equipped on the shaft 4 of 52 two sides of shape hole；The section of shaft 4 is a square
Shape；
A valve deck 22 is additionally provided on valve body 1, one end side of valve rod 2 is equipped with the piston 21 matched with valve deck 22.
The water inlet end inner wall of valve body 1 is equipped with a filter screen 11.
The both ends of metering hole 51 are in bell mouth shape outwardly.
The top of valve rod 2 is equipped with one and manages block 23.
The side of valve deck 22 is equipped with a leakage detection room 7, and leakage detection room 7 and valve deck 22 pass through the drainage being arranged on 22 side wall of valve deck
Hole is connected；A limit substrate 72 and leakproof substrate 73 are equipped in leakage detection room 7；Run through on limit substrate 72 and leakproof substrate 73 and sets
There is a dead man 8, dead man 8 is slidably matched with limit substrate 72 and leakproof substrate 73 and end extends through 7 top of leakage detection room；
The bottom of leakage detection room 7 is equipped with an apopore 71, is equipped with a blocking at the apopore 71 on 7 outer wall of leakage detection room
75；Leakproof substrate 73 is equipped with a leak stopping hole 74 being slidably matched with dead man 8；
The dead man 8 in region is equipped with a mounting ring 82, mounting ring 82 and limit between limit substrate 72 and apopore 71
A second spring 83 is equipped between the substrate 72 of position；The bottom end of dead man 8, which is equipped with, blocks up ball 81 with the third of the cooperation sealing of apopore 71, pulls out
The top of bar 8 is additionally provided with the 4th stifled ball 84 of one with the cooperation sealing of leak stopping hole 74, and the top of dead man 8 is additionally provided with a T-type handle 85.
Apopore 71 is in the shape of a trumpet close to one end of limit substrate 72, and the one end of leak stopping hole 74 far from limit substrate 72 is in
Bell mouth shape.
When the opening and closing of valve degree is adjusted, shaft 4 is driven to move up and down along rectangular opening 52 by rotation valve rod 2, thus control activity
Supporting plate 6 is moved up and down by steel ball 62 along 1 inner wall of valve body；During movable supporting board 6 initially moves down, due to movable supporting board
6 move down that support rod 63 is driven to move down so that the first stifled ball 64 starts to be detached from metering hole 51, simultaneously first
Sealed bolster plate 41 also starts to be detached from rectangular opening 52, and valve body 1 starts to open at this time, continues downwards until the first stifled ball 64 completely disengages
Out when metering hole 51, valve body 1 is fully opened at this time；When firmly continuing to push, effect of the second stifled ball 66 in strut 65 at this time
Under move closer to metering hole 51, valve body 1 is begun to shut off at this time, and when the second stifled ball 66 is contacted with metering hole 51 completely, second is stifled
Ball 66 blocks that metering hole 51, valve body 1 completely closes at this time；Second sealed bolster plate 42 and the complete gluing, sealing of rectangular opening 52 simultaneously.
There is gap with valve deck 22 when abrasion occurs for piston 21, fluid media (medium) is leaked to 21 upper end of piston；The fluid is situated between
Matter can flow into leakage detection room 7 by the filtration hole on valve deck 22, when leakage detection, by stirring dead man 8 upwards, and shed blocking in advance
75, the 4th stifled ball 84 is detached from leak stopping hole 74 at this time, third blocks up ball 81 and is detached from apopore 71, if there is water to flow from apopore 71 at this time
Out, the wear condition of piston 21 can be learnt；It sheds and stirs power, under the rebound effect of second spring 83, the 4th stifled ball 84 is stifled
Firmly leak stopping hole 74, third block up ball 81 and block apopore 71, while installing blocking 75.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (6)
1. a kind of vacuum machine valve, including valve body (1) and valve rod (2), it is characterised in that: in the water outlet of the valve body (1)
Wall is equipped with a current-limiting mechanism, and the current-limiting mechanism includes the current limiting plate (5) being arranged on the inner wall of water outlet, movable supporting board (6)
With support frame (3), the movable supporting board (6) is between the current limiting plate (5) and support frame (3), on the current limiting plate (5)
It is furnished with several metering holes (51)；
One side of the movable supporting board (6) close to current limiting plate (5) is equipped with the support rod matched with metering hole (51) position
(63), the top of the support rod (63) is equipped with a first stifled ball (64) matched with metering hole (51), the first stifled ball
(64) top is equipped with a strut (65) for extending through metering hole (51), and the end of the strut (65) is equipped with one and metering hole
(51) the stifled ball of second matched (66)；It is offered several through-holes (61) on the movable supporting board (6), the movable supporting board (6)
Side be embedded with can along valve body (1) inner wall roll steel ball (62)；It is connected between the movable supporting board (6) and support frame (3)
There are several first springs (31)；
The current-limiting mechanism further includes the shaft (4) that an one end is fixed on movable supporting board (6), and the top of the shaft (4) is logical
A bearing (43) is crossed to be connected with valve rod (2)；The movable supporting board (6) is equipped with the section that one matches with shaft (4)
The rectangular opening (52) of " I " fonts is located on the shaft (4) of the rectangular opening (52) two sides and is respectively equipped with the first sealed bolster plate
(41) and the second sealed bolster plate (42)；The section of the shaft (4) is a rectangle；
It is additionally provided with a valve deck (22) on the valve body (1), one end side of the valve rod (2) is equipped with to be matched with valve deck (22)
Piston (21).
2. a kind of vacuum machine valve according to claim 1, which is characterized in that the water inlet end inner wall of the valve body (1)
It is equipped with a filter screen (11).
3. a kind of vacuum machine valve according to claim 1, which is characterized in that the both ends of the metering hole (51) are in court
Outer bell mouth shape.
4. a kind of vacuum machine valve according to claim 1, which is characterized in that the top of the valve rod (2) is equipped with one
Manage block (23).
5. a kind of vacuum machine valve according to claim 1, which is characterized in that the side of the valve deck (22) is equipped with one
Leakage detection room (7), the leakage detection room (7) are connected with valve deck (22) by the filtration hole being arranged on valve deck (22) side wall；It is described
Limit substrate (72) and leakproof substrate (73) are equipped in leakage detection room (7)；On the limit substrate (72) and leakproof substrate (73)
Through being equipped with a dead man (8), the dead man (8) with limit substrate (72) and leakproof substrate (73) is slidably matched and end is run through
By at the top of leakage detection room (7)；
The bottom of the leakage detection room (7) is equipped with an apopore (71), is located at the apopore (71) on leakage detection room (7) outer wall
One blocking (75) are installed；The leakproof substrate (73) is equipped with a leak stopping hole (74) being slidably matched with dead man (8)；
The dead man (8) in region is equipped with a mounting ring (82) between limit substrate (72) and apopore (71), described
A second spring (83) are equipped between mounting ring (82) and limit substrate (72)；The bottom end of the dead man (8) is equipped with and apopore
(71) third of cooperation sealing blocks up ball (81), and the of one and leak stopping hole (74) cooperation sealing is additionally provided at the top of the dead man (8)
Four stifled balls (84), the top of the dead man (8) are additionally provided with a T-type handle (85).
6. a kind of vacuum machine valve according to claim 5, which is characterized in that the apopore (71) is close to limit base
One end of plate (72) is in the shape of a trumpet, and the one end of the leak stopping hole (74) far from limit substrate (72) is in the shape of a trumpet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822225435.2U CN209340518U (en) | 2018-12-28 | 2018-12-28 | A kind of vacuum machine valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822225435.2U CN209340518U (en) | 2018-12-28 | 2018-12-28 | A kind of vacuum machine valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209340518U true CN209340518U (en) | 2019-09-03 |
Family
ID=67759644
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822225435.2U Expired - Fee Related CN209340518U (en) | 2018-12-28 | 2018-12-28 | A kind of vacuum machine valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209340518U (en) |
-
2018
- 2018-12-28 CN CN201822225435.2U patent/CN209340518U/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 |
Granted publication date: 20190903 Termination date: 20201228 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |