CN109386619A - Without sealing valve - Google Patents
Without sealing valve Download PDFInfo
- Publication number
- CN109386619A CN109386619A CN201810777746.1A CN201810777746A CN109386619A CN 109386619 A CN109386619 A CN 109386619A CN 201810777746 A CN201810777746 A CN 201810777746A CN 109386619 A CN109386619 A CN 109386619A
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- China
- Prior art keywords
- valve
- mentioned
- opening
- sealing
- lever handle
- 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.)
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Classifications
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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
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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
- 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
- F16K31/44—Mechanical actuating means
- F16K31/52—Mechanical actuating means with crank, eccentric, or cam
- F16K31/524—Mechanical actuating means with crank, eccentric, or cam with a cam
- F16K31/52408—Mechanical actuating means with crank, eccentric, or cam with a cam comprising a lift valve
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
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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
- F16K41/10—Spindle sealings with diaphragm, e.g. shaped as bellows or tube
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
- Lift Valve (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Abstract
The present invention provides can be using the open and-shut mode of simple structural confirmation valve without sealing valve.The fluid flowing path between entrance opening (11) and exit opening (12) with valve port (16) is formed in valve body (1).Valve port (16) are opened and closed by spool (4).By bellows (7) sealed valve core (4) and fluid flowing path for being set to valve body (1).Bellows (7) quilt cover (2) covering.Being remained spool (4) by valve rod (5) can move on the shaft lever line (X) of valve port (16).Equipped with the valve opening spring (6) to exert a force to spool (4) and valve rod (5) to valve opening position.The lever handle (9) of the camshaft (8a) of eccentric cam (8) is installed on equipped with the eccentric cam (8) for moving valve rod (5) to valve closing direction and in the outside of cover (2).Making lever handle (9) is around camshaft (8a) asymmetrical shape.
Description
Technical field
The present invention relates to no sealing valves, using the valve port between spool opening and closing entrance opening and exit opening, and by
Metal sylphon seal is formed comprising the fluid flowing path of spool and valve port.
Background technique
In the past, as no sealing valve, such as with the valve for being disclosed in No. 3752636 bulletin (patent document 1) of patent.It should
Even if the valve of patent document 1 make no sealing valve rotatable handle a few, be also displayed as from the external opening and closing shape for understanding valve at a glance
State.In addition, No. 3672045 bulletin (patent document 2) of patent discloses a kind of rubber valve, the rubber valve of the patent document 2 exists
When filling the water from the flow path of fluid, cock stem is operated, if hand leaves cock stem, rubber valve auto-returned closed state.Therefore, nothing
It need to confirm the open and-shut mode of valve.
Existing technical literature
Patent document
Patent document 1: No. 3752636 bulletins of Japanese Patent No.
Patent document 2: No. 3672045 bulletins of Japanese Patent No.
Summary of the invention
Problems to be solved by the invention
Patent document 1 needs special structure without sealing valve, that is, display valve is opening for opening state or closed state
Display state is closed, therefore in terms of construction complicates, there is room for improvement for tool.In addition, as the valve of solution open and-shut mode, tool
There is the ball valve of bar open and close type, but ball valve is constructively needed to seal construction using O-ring, liner, seal construction becomes multiple
It is miscellaneous, and there are problems that the External leakage because of caused by timeliness.
The present invention using provide can using simple structural confirmation valve open and-shut mode without sealing valve as project.
Solution for solving the problem
Scheme 1 is formed with the fluid stream between entrance opening and exit opening with valve port in valve body without sealing valve
Road, by spool be opened and closed above-mentioned valve port valve events portion and above-mentioned fluid flowing path by be set to above-mentioned valve body sylphon seal, and
And above-mentioned bellows and above-mentioned valve events portion are covered by the cover for being assembled in above-mentioned valve body, above-mentioned no sealing valve is characterized in that,
Above-mentioned valve events portion is configured to, and has and above-mentioned spool is remained the valve rod that can be moved on the axis of above-mentioned valve port and to upper
The valve opening spring that spool and above-mentioned valve rod exert a force to valve opening position is stated, above-mentioned no sealing valve has: making above-mentioned valve in above-mentioned cover
The bar eccentric cam mobile to valve closing direction；And the camshaft and shape of above-mentioned eccentric cam are installed in the outside of above-mentioned cover
For around the lever handle of the asymmetrical shape of above-mentioned camshaft, by above-mentioned lever handle around above-mentioned cam axle 180 degree with
Interior predetermined operation angle, above-mentioned spool change between valve closing position and valve opening position.In addition, " asymmetrical around camshaft
Shape " is to rotate lever handle around camshaft, is visually easy the shape of difference valve opening state and closed valve state, for example,
Can be made about the rotational symmetry around camshaft is not that the symmetrical shape of n times, i.e. n >=2, n are integers, and are not (360/
N) symmetrical shape is spent.
Scheme 2 is recorded according to scheme 1 without sealing valve, which is characterized in that above-mentioned valve rod and above-mentioned eccentric cam it
Between have the force application mechanism to exert a force to the valve rod to valve closing direction.
Scheme 3 is recorded according to scheme 1 or 2 without sealing valve, which is characterized in that above-mentioned lever handle is by relative to above-mentioned
The long size portion and the short size portion structure extended to the direction opposite with the long size portion that camshaft is orthogonally extended to a direction
At.
Scheme 4 is according to 3 records without sealing valve, which is characterized in that the shifting in the above-mentioned long size portion of above-mentioned lever handle
Dynamic range is located substantially at above-mentioned valve body side.
Scheme 5 is recorded according to scheme 4 without sealing valve, which is characterized in that above-mentioned predetermined operation angle is 90 degree.
Scheme 6 is recorded according to scheme 5 without sealing valve, which is characterized in that above-mentioned entrance opening and exit opening are coaxial
Ground is formed, and the axis relative to the entrance opening and exit opening, and the above-mentioned long size portion of above-mentioned lever handle becomes parallel
Position be valve opening position, become right angle position be valve closing position.
Invention effect
According to scheme 1 to 6 without sealing valve, the lever handle around the asymmetrical shape of camshaft is pre- within 180 degree
Determine to rotate in the range of work angle, so that spool changes between valve closing position and valve opening position, therefore by merely look at thick stick
The turned position of bar handle just can readily distinguish opening state and closed state.In addition, only by using eccentric cam and
The valve rod movement in valve events portion is opened and closed just in valve opening spring, therefore simple structure.
According to scheme 2 without sealing valve, in the state of becoming valve closing position by eccentric cam, also by force application mechanism to valve
Bar is exerted a force to valve closing direction with scheduled load, therefore in valve land, prevents spool by excessive pressing force, so as to
The timeliness for enough reducing the sealing of spool and valve port changes, and even if timeliness variation etc. has occurred, also can reliably confirm
Closed valve state.
According to scheme 3 without sealing valve, lever handle is by the long size portion orthogonal relative to camshaft and short size portion structure
At, therefore can more easily confirm the turned position of lever handle.
According to scheme 4 without sealing valve, the moving range in the long size portion of lever handle is located substantially at valve body side, therefore
The amount that can be stretched out in the cover lateral inhibition lever handle for being assembled in valve body, can make entire valve compact.
According to scheme 5 without sealing valve, predetermined operation angle is 90 degree, therefore can more easily confirm lever handle
Turned position.
According to being coaxially formed without sealing valve, entrance opening and exit opening for scheme 6, relative to the axis, lever handle
Long size portion become parallel position be valve opening position, the position for becoming right angle is valve closing position, therefore long size portion becomes
Become valve closing position when the direction that the flow direction relative to fluid intersects, is easy sensuously holding valve closing and valve opening.
Detailed description of the invention
Fig. 1 is the longitudinal section view of the valve opening state without sealing valve of first embodiment of the invention.
Fig. 2 is the longitudinal section view of the closed valve state without sealing valve of first embodiment of the invention.
Fig. 3 is the appearance main view of the valve opening state without sealing valve of first embodiment of the invention.
Fig. 4 is the appearance main view of the closed valve state without sealing valve of first embodiment of the invention.
Fig. 5 is the A-A direction view of Fig. 1.
Fig. 6 is the longitudinal section view of the valve opening state without sealing valve of second embodiment of the present invention.
Fig. 7 is the longitudinal section view of the closed valve state without sealing valve of second embodiment of the present invention.
In figure:
1-valve body, 11-entrance openings, 12-exit openings, 15-valve chambers, 16-valve ports, 17-valve seats, L-
Opening shaft, X-valve port axis, 2-covers, 21-bolt blocks, 22-bolt blocks, 3-guide parts (valve events portion), 31-guiding
Hole, 4-spools, 41-lug bosses, 42-sealings, B-bolt, 5-valve rods (valve events portion), 5a-upper surface, 51-bars
Portion, 6-valve opening springs (valve events portion), 7-bellowss, 8-eccentric cams, 8a-camshaft, the 81-the first face, 82-the second
Face, 83-sliding surfaces, 9-lever handles, 91-long size portions, 92-short size portions, 5 '-valve rods, 53-helical springs (are applied
Force mechanisms), 54-spring supports (force application mechanism), 54a-cylindrical portion, 54b-flange part, 54c-upper surface, 55-macropores,
56-slide hole, 8 '-eccentric cams, 82 '-second faces, 83 '-sliding surfaces.
Specific embodiment
Next, being illustrated referring to attached drawing to the embodiment of no sealing valve of the invention.Fig. 1 is the first embodiment party
The longitudinal section view of the valve opening state without sealing valve of formula, Fig. 2 are the longitudinal section views of the closed valve state without sealing valve, and Fig. 3 is this
The appearance main view of valve opening state without sealing valve, Fig. 4 are the appearance main views of the closed valve state without sealing valve, and Fig. 5 is Fig. 1
A-A direction view.In addition, the concept of " upper and lower " in the following description is corresponding to upper and lower in the attached drawing of Fig. 1 to Fig. 4.
The embodiment has the valve body 1 by formation such as the machinings of metal parts without sealing valve and passes through casting
The cover 2 of formation such as make and be machined.In valve body 1 centered on opening shaft L coaxially formed entrance opening 11 and exit opening
12, and form the two valve accesses 13,14 and valve chamber 15 for being connected to the entrance opening 11 and exit opening 12 and be connected to valve
Access 13 and the valve port 16 being open in valve chamber 15.Valve port 16 is the circular shape centered on axis X, around the valve port 16
As valve seat 17.In addition, being respectively formed in valve body 1 and around entrance opening 11 and around exit opening 12 useful
In flange part 11a, 12a for connecting piping (not shown).
In addition, being formed with the edge 18 of slim cylindrical shape in the upper end of valve body 1, it is equipped in the inside of the edge 18
There is the guide part 3 of pilot hole 31 at center.Be formed with external screw thread 3a in the periphery of guide part 3, by external screw thread 3a be formed in
The internal screw thread 18a of the inner circumferential of edge 18 is screwed, and the guide part 3 is by the inner circumferential on the top and edge 18 that are set to guide part 3
Between the seal member 18b formed by solders such as soft solders so that the mode of 15 sealing state of valve chamber is fixed on valve body 1.
Generally cylindrical shaped spool 4 is equipped in the mode opposed with valve seat 17 in the inside of valve chamber 15.Spool 4 has
There is metal lug boss 41 and is screwed into the sealing 42 of the resins such as the fluororesin of its lower end.Moreover, spool 4 makes sealing 42
It is landed in valve seat 17, to make 16 closed valve state of valve port.
Cover 2 has bolt block 21,22 in position corresponding with entrance opening 11 and exit opening 12, and in the bolt
Valve body 1 is fixed on bolt B in the position of seat 21,22.Be equipped in cover 2 valve rod 5, valve opening spring 6, bellows 7 and partially
Cardiac prominence wheel 8.
Valve rod 5 has the bar portion 51 extended to 3 side of guide part, which is inserted through in the pilot hole 31 of guide part 3, and
And spool 4 is installed in the end of bar portion 51.That is, the lower end of the chimeric bar portion 51 for having valve rod 5 of central upper in spool 4, is used
Spool 4 is fixed on bar portion 51 by the fixing screws 4a set on spool 4.
In addition, valve opening spring 6 be embedded in valve rod 5 bar portion 51 around, and with compressed state be disposed in valve rod 5 with
Between guide part 3.Moreover, bellows 7 is airtightly fixedly installed in the flange 52 and guide part 3 of the upper end periphery of valve rod 5
Between upper surface, prevent the fluid in valve chamber 15 from flowing out from the gap of valve rod 5 and the pilot hole 31 of guide part 3 by the bellows 7
To outside.That is, closing " the valve events portion " that is made of guide part 3, valve rod 5 and valve opening spring 6 by bellows 7.
Eccentric cam 8 is pivotally supported by camshaft 8a, and the flat upper surface 5a with valve rod 5 is arranged opposite.Eccentric cam 8
Include the first flat face 81 for the upper surface 5a that valve rod 5 is connected at valve opening state (Fig. 1)；At closed valve state (Fig. 2)
It is connected to the second flat face 82 of the upper surface 5a of valve rod 5；And the curved sliding in connection the first face 81 and the second face 82
Face 83.The mutual angle in 90 ° in first face 81 and the second face 82, the distance of the second Pivot axle of the face 82 away from camshaft 8a is than the
The distance of 81 Pivot axles away from camshaft 8a on one side.
As shown in figure 5, camshaft 8a is installed on cover 2 in a manner of penetrating through the side of cover 2, in a side of camshaft 8a
Portion is equipped with lever handle 9.In addition, being equipped with O-ring 8a1 between camshaft 8a and cover 2.This prevents moisture entrance
In cover 2.Lever handle 9 is formed by punch process of metal plate etc., and from orthogonally stretching to a direction relative to camshaft 8a
Long long size portion 91 and Xiang Yuchang size portion 91 it is opposite direction elongation short size portion 92 constitute.That is, long 91 He of size portion
Short size portion 92 is located at the direction orthogonal with camshaft 8a, and extends different length across camshaft 8a.Lever hand as a result,
Handle 9 becomes around the asymmetrical shape of camshaft 8a, i.e., around the rotational symmetry of camshaft 8a be not that symmetrical (n >=2, n are whole to n times
Number, (360/n) degree are symmetrical) shape.Here, showing is not the symmetrical example of n times, as long as but visually it is easy difference
The lever handle shape of opening state and closed state, is not limited to the shape of the embodiment.
According to above structure, as shown in Fig. 3 (and Fig. 1), it is in a horizontal position, i.e. in the longitudinal direction of lever handle 9
When in the position parallel with opening shaft L, become eccentric cam 8 the first face 81 be connected to valve rod 5 upper surface 5a state,
The position that valve rod 5 and spool 4 rise as the active force by valve opening spring 6, the sealing 42 of spool 4 divide from valve seat 17
From valve port 16 becomes opening state.Moreover, if from the state of Fig. 1 and Fig. 3 by lever handle 9 around rotating counterclockwise, it is eccentric convex
The curved sliding surface 83 of wheel 8 rotates while pushing the upper surface 5a of valve rod 5, as shown in Fig. 2, the second of eccentric cam 8
Face 82 is connected to the upper surface 5a of valve rod 5.At this point, the active force that valve rod 5 and spool 4 resist valve opening spring 6 moves downwards, valve
The sealing 42 of core 4 is landed in valve seat 17, and valve port 16 becomes closed state.On the contrary, if from the closing shape of Fig. 4 (and Fig. 2)
State rotates lever handle 9 clockwise, then becomes the opening state of Fig. 1 and Fig. 3.
When changing from the opening state to closed state, changing from closed state to opening state, in eccentric cam 8
The face for being connected to the upper surface 5a of valve rod 5 switches from the first face 81 to the second face 82, or cuts from the second face 82 to the first face 81
It changes, but the mutual angle in 90 ° in first face 81 and the second face 82, therefore lever handle 9 can be rotated by 90 °.90 ° of the rotation
Range is the range of predetermined operation angle.In addition, the upper surface 5a in the first face 81, the second face 82 and valve rod 5 is respectively flat
Face, therefore in operating lever handle 9, when becoming above-mentioned closed state, when becoming opening state, operated respectively
Hand can obtain restraining sense from lever handle 9, therefore easy to operate.In addition, being also able to maintain and beating even if unclamping hand from lever handle
Open state, closed state.
In addition, in the on-state, the longitudinal direction of lever handle 9 is the direction parallel with opening shaft L, in off position
Under, the longitudinal direction of lever handle 9 be with the direction at right angle opening shaft L, therefore only observe the lever handle 9, it will be able to hold
Judgement of changing places is opening state or closed state.
In addition, the long size portion 91 of lever handle 9 is in a horizontal position, in Fig. 4 in the state that Fig. 3 (and Fig. 1) is shown
Under closed state shown in (and Fig. 2), the long size portion 91 of lever handle 9 is in 1 side of valve body.That is, the long ruler of lever handle 9
The moving range in very little portion 91 is located substantially at 1 side of valve body.Therefore, only a part in short size portion 92 is prominent from cover 2 to top, should
Compact dimensions without sealing valve.
Fig. 6 is the longitudinal section view of the valve opening state without sealing valve of second embodiment of the present invention, and Fig. 7 is the second implementation
The longitudinal section view of the closed valve state without sealing valve of mode.In this second embodiment, to same as the first embodiment
Element marks symbol identical with Fig. 1 to Fig. 5, omits and first embodiment repeat description.In addition, the second embodiment
Appearance main view it is same as Fig. 3 and Fig. 4.
The second embodiment has spiral shell as " force application mechanism " between valve rod 5 ' and eccentric cam 8 ' without sealing valve
Revolve spring 53 and spring support 54.Valve rod 5 ' has the macropore 55 and sliding eye 56 in 8 ' side opening of eccentric cam, spring support
54 cylindrical portion 54a is inserted through in sliding eye 56, meanwhile, helical spring 53 is embedded in around cylindrical portion 54a, and to be compressed
State be disposed between the bottom of macropore 55 and the flange part 54b of spring support 54.The elastic force of the helical spring 53 is set as,
Than the pressure and the active force of valve opening spring 6 of the fluid applied from 16 side of valve port to spool 4 under closed state shown in Fig. 7
Resultant force is strong.In addition, the eccentric cam 8 ' of the second embodiment and the eccentric cam 8 of first embodiment only difference is that
Second face 82 of second face 82 ' of the second embodiment away from the distance of the Pivot axle of camshaft 8a than first embodiment
At a distance of slightly long and sliding surface 83 ' the length of the distance of the Pivot axle of camshaft 8a.Other constructions, effect are implemented with first
The eccentric cam 8 of mode is identical.
According to above structure, in this second embodiment, it is located in the longitudinal direction of lever handle 9 is same as Fig. 3
In horizontal position, when i.e. parallel with opening shaft L position, as shown in fig. 6, the first face 81 for becoming eccentric cam 8 ' is connected to bullet
The state of the upper surface 54c of spring abutment 54, valve rod 5 ' and spool 4 become the active force by valve opening spring 6 and the position that rises, and upper
It states similarly, valve port 16 becomes opening state.In addition, if from the state of Fig. 3 around lever handle 9 is rotated counterclockwise, such as Fig. 7 institute
Show, the sliding surface 83 ' of eccentric cam 8 ' rotates while pushing away upper surface 54c and helical spring 53 of spring base 54 under, such as Fig. 7
Shown, the second face 82 ' of eccentric cam 8 ' is connected to the upper surface 54c of spring base 54.At this point, valve rod 5 ' and the resistance of spool 4 are opened
The active force of valve spring 6 moves downwards, and in the same manner as described above, valve port 16 becomes closed state.In this closed condition, spiral
Valve rod 5 ' and spool 4 (sealing 42) are always pressed on valve seat 17 with scheduled load by spring 53.Therefore, in valve land
When, the pressing force excessive to spool is prevented, so as to reduce the timeliness variation of sealing 42, and even if sealing 42 generates
Timeliness variation etc., also can reliably keep closed valve state.
In this second embodiment, the longitudinal direction of lever handle 9 is also parallel with opening shaft L in the on-state
Direction, in the off state the longitudinal direction of lever handle 9 be also with the direction at right angle opening shaft L, by merely look at the thick stick
Bar handle 9, it will be able to which easily judgement is opening state or closed state.In addition, in the closed state, lever handle 9
Long size portion 91 is in 1 side of valve body, and only a part in the short size portion 92 of lever handle 9 is prominent from cover 2 to top, this is without close
Seal the compact dimensions of valve.
In above each embodiment, the bolt block 21,22 of cover 2 is formed in and entrance opening 11 and exit opening 12
On corresponding position, i.e. opening shaft L, therefore cover 2 can also be fixed on to the position relative to 180 ° of the rotation of valve body 1.
The different other types of no sealing valve in the position of lever handle 9 can be also made by the same part as a result,.
In addition, in above each embodiment, by the rotation for the lever handle 9 for changing opening state and closed state
Range, that is, predetermined operation angle initialization is 90 °, therefore is visually easy difference opening state and closed state, the predetermined operation
As long as angle within 180 °, can be arbitrary angle.
In addition, the lever handle 9 of each embodiment is shown with the different long size portion 91 of length and short size portion 92
Example, as long as but lever handle is asymmetric around camshaft, can also be made of across camshaft the part of equal length.
In addition, in various embodiments, being configured to exit opening 12 connect entrance opening 11 by flange part 11a, 12a
In piping (not shown), but it can also be other structures with the connecting structure of the piping.For example, it may be by pipe screw thread connection
" pipe screw thread type " or " flared " etc. connected by flaring nut.
In addition, in various embodiments, camshaft 8a is set as the direction with opening shaft L-orthogonal, but can also will be convex
Wheel shaft 8a is set as the direction parallel with opening shaft L, can also be configured according to other positions relationship.
More than, the embodiments of the present invention are described in detail with reference to the drawings, but specific structure is not limited to this
A little embodiments are also contained in the present invention even if depositing design alteration etc. without departing from the scope of spirit of the present invention.
Claims (6)
1. a kind of no sealing valve is formed with the fluid flowing path between entrance opening and exit opening with valve port in valve body,
By spool be opened and closed above-mentioned valve port valve events portion and above-mentioned fluid flowing path by be set to above-mentioned valve body sylphon seal, and on
Bellows and above-mentioned valve events portion is stated to be covered by the cover for being assembled in above-mentioned valve body,
Above-mentioned no sealing valve is characterized in that,
Above-mentioned valve events portion is configured to, have above-mentioned spool is remained the valve rod that can be moved on the axis of above-mentioned valve port and
To the valve opening spring that above-mentioned spool and above-mentioned valve rod exert a force to valve opening position,
Above-mentioned no sealing valve has: making the eccentric cam that above-mentioned valve rod is mobile to valve closing direction in above-mentioned cover；And above-mentioned
The outside of cover is installed on the camshaft of above-mentioned eccentric cam and shape is the lever handle around the asymmetrical shape of above-mentioned camshaft,
By predetermined operation angle of the above-mentioned lever handle within above-mentioned cam axle 180 degree, above-mentioned spool is in valve closing position
It sets and changes between valve opening position.
2. no sealing valve according to claim 1, which is characterized in that
Has the force application mechanism to exert a force to the valve rod to valve closing direction between above-mentioned valve rod and above-mentioned eccentric cam.
3. no sealing valve according to claim 1 or 2, which is characterized in that
Above-mentioned lever handle from relative to above-mentioned camshaft orthogonally to a direction extend long size portion and to the long size
The short size portion of the opposite direction elongation in portion is constituted.
4. no sealing valve according to claim 3, which is characterized in that
The moving range in the above-mentioned long size portion of above-mentioned lever handle is located substantially at above-mentioned valve body side.
5. no sealing valve according to claim 4, which is characterized in that
Above-mentioned predetermined operation angle is 90 degree.
6. no sealing valve according to claim 5, which is characterized in that
Above-mentioned entrance opening and exit opening are coaxially formed, and the axis relative to the entrance opening and exit opening, above-mentioned
It is valve opening position that the above-mentioned long size portion of lever handle, which becomes parallel position, and the position for becoming right angle is valve closing position.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2017153268A JP2019032025A (en) | 2017-08-08 | 2017-08-08 | Packless valve |
| JP2017-153268 | 2017-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109386619A true CN109386619A (en) | 2019-02-26 |
Family
ID=65417486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810777746.1A Withdrawn CN109386619A (en) | 2017-08-08 | 2018-07-16 | Without sealing valve |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP2019032025A (en) |
| CN (1) | CN109386619A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114087372A (en) * | 2021-11-04 | 2022-02-25 | 北京卫星制造厂有限公司 | Stop valve |
| CN116066603B (en) * | 2023-04-06 | 2023-06-02 | 四川蓝梵环保科技有限公司 | Check valve and seal assembly thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032067A (en) * | 1987-09-01 | 1989-03-29 | 曲祥训 | Fixed flow water tap |
| US20030034468A1 (en) * | 2001-08-15 | 2003-02-20 | Yie Gene G. | On-off valves for high pressure fluids |
| KR101107785B1 (en) * | 2009-09-03 | 2012-01-20 | 국민대학교산학협력단 | Bellows valve with handle of lever type |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4321734Y1 (en) * | 1965-03-04 | 1968-09-12 | ||
| FR1603656A (en) * | 1968-12-26 | 1971-05-10 | ||
| JPS56168654U (en) * | 1980-05-16 | 1981-12-12 | ||
| JPS57101184A (en) * | 1980-12-15 | 1982-06-23 | Tohoku Mikuni Kogyo Kk | Gas flow control valve |
-
2017
- 2017-08-08 JP JP2017153268A patent/JP2019032025A/en active Pending
-
2018
- 2018-07-16 CN CN201810777746.1A patent/CN109386619A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1032067A (en) * | 1987-09-01 | 1989-03-29 | 曲祥训 | Fixed flow water tap |
| US20030034468A1 (en) * | 2001-08-15 | 2003-02-20 | Yie Gene G. | On-off valves for high pressure fluids |
| KR101107785B1 (en) * | 2009-09-03 | 2012-01-20 | 국민대학교산학협력단 | Bellows valve with handle of lever type |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2019032025A (en) | 2019-02-28 |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190226 |
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