CN204306642U - A kind of pressure limiting valve with pressure display - Google Patents
A kind of pressure limiting valve with pressure display Download PDFInfo
- Publication number
- CN204306642U CN204306642U CN201420719760.3U CN201420719760U CN204306642U CN 204306642 U CN204306642 U CN 204306642U CN 201420719760 U CN201420719760 U CN 201420719760U CN 204306642 U CN204306642 U CN 204306642U
- Authority
- CN
- China
- Prior art keywords
- pressure
- pressure limiting
- knob
- valve seat
- valve
- 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.)
- Active
Links
Landscapes
- Mechanically-Actuated Valves (AREA)
Abstract
The utility model provides a kind of pressure limiting valve with pressure display, belongs to field of mechanical technique.The pressure it solving existing pressure vessel regulates the problem of display combined mechanism dismounting inconvenience.The pressure limiting valve of this band pressure display is arranged on the handle of pressure cooker, comprise valve seat and be connected to the pressure display cap of valve seat center, valve seat center be connected with can relative to valve seat rotate knob and knob shows between cap at valve seat and pressure, be provided with between knob and valve seat and can carry out pressure controlled pressure limiting bar to pressure cooker, valve seat both sides offer breach, indentation, there is provided with curved clamp, is provided with the controlling organization that clamp can be made to stretch out from indentation, there or retract when knob between valve seat and knob.The pressure limiting valve of this band pressure display has the advantage of easy accessibility.
Description
Technical field
The utility model belongs to field of mechanical technique, relates to a kind of pressure limiting valve, particularly relates to a kind of pressure limiting valve with pressure display.
Background technology
The pressure of the Domestic pressure container of prior art is generally non-adjustable, is set according to national standard by manufacturer.Also occur pressure adjustable in the market and there is the daily life pressure vessel of Presentation Function, but pressure regulates and display structure is numerous and diverse, not in tune with the daily small pressure container such as family life and steam pressure disinfection tank.
For this situation, people have recognized this deficiency, and carry out improvement, as the pressure adjustment display combined mechanism [application number: 200520117141.8 of a kind of pressure vessel that Chinese patent literature data openly proposes, Authorization Notice No.: CN2861667 Y], containing the valve body be fixed on pressure vessel, valve body is provided with the adjusting knob and pressure-display device that are connected with pressure limiting device, in described valve body, valve rod is installed, valve rod is set with the spool that can regulate pressure, pressure limiting spring is housed above described spool, the lifter plate be connected with adjusting knob is housed above pressure limiting spring, described adjusting knob inwall is provided with helical guide groove, the end of lifter plate is placed in helical guide groove, the outer cylinder of described adjusting knob inwall and valve body is corresponding thereto provided with jump-ring slot, jump-ring slot is built-in with jump ring, pressure instruction spring described valve rod is equipped with, described pressure instruction spring is placed between the top of valve rod and adjusting knob cavity of resorption, pressure indicating window is provided with above described adjusting knob, valve rod passes through the top of adjusting knob cavity of resorption.
Above-mentioned combined mechanism is matched by the side opening of spool and valve body and incompatiblely realizes pressure-limiting function, utilizes the lifting of valve rod to realize pressure display effect simultaneously.But when reality uses, this combined mechanism is all be fixed on pot by the securing member such as screw or nut, brings dismounting and inconvenient problem is installed.
Summary of the invention
The purpose of this utility model is the problems referred to above existed for prior art, proposes a kind of pressure limiting valve of band pressure display of easy accessibility.
The purpose of this utility model realizes by following technical proposal: a kind of pressure limiting valve with pressure display, be arranged on the handle of pressure cooker, comprise valve seat and be connected to the pressure display cap of valve seat center, it is characterized in that, described valve seat center be connected with can relative to valve seat rotate knob and knob shows between cap at valve seat and pressure, be provided with between described knob and valve seat and can carry out pressure controlled pressure limiting bar to pressure cooker, described valve seat both sides offer breach, described indentation, there is provided with curved clamp, the controlling organization that clamp can be made to stretch out from indentation, there or retract when knob is provided with between described valve seat and knob.
This pressure limiting valve is contained in the enterprising enforcement of the handle be connected with pot cover, and handle madial wall is provided with the draw-in groove coordinated with clamp.
During normal work, clamp is stuck in draw-in groove and this pressure limiting valve can be stably connected with handle; When pressure limiting valve disassembles by needs, turning knob makes pressure limiting bar be in disassembly status, and now, clamp stretches out draw-in groove completely under the effect of controlling organization, this makes it possible to be taken out from handle by pressure limiting valve easily; When pressure limiting valve installed by needs, reversion knob makes clamp retract in draw-in groove under the effect of controlling organization, pressure limiting valve is stably connected with handle, has advantage easy for installation.
In the pressure limiting valve of above-mentioned band pressure display, described controlling organization comprises the guide groove being arranged at clamp surface and the guide pillar be arranged at bottom knob, described guide groove comprises a straight trough section one, described guide pillar is positioned at the straight trough section one of guide groove, and the clamp described in when guide pillar moves along the straight trough section one of guide groove stretches out or in retraction breach.
During knob rotation circumferential relative to valve seat, the lateral wall of guide pillar can recline mutually with the madial wall of straight trough section one all the time and stablize and drives clamp to stretch out or be retracted in the draw-in groove on handle, make pressure limiting valve comparatively smooth and easy from the process of handle dismounting or installation, thus the convenience that improve pressure limiting valve dismounting and install.
In the pressure limiting valve of above-mentioned band pressure display, there is bottom described clamp the fixture block taken the shape of the letter U, the corresponding indentation, there in edge of described seat bottom portion has two adjacent bayonet sockets and forms holding section between adjacent two bayonet sockets, described holding section is through the inner side of fixture block, and the both sides of described fixture block snap in respectively in two bayonet sockets and also can move axially along bayonet socket.
Snap in respectively in bayonet socket through the holding section inside fixture block and fixture block both sides by arranging, guide effect played to the movement of fixture block thus fixture block is stretched out swimmingly or retracts in breach, further increasing the convenience that pressure limiting valve is lower from handle dismounting or install.
In the pressure limiting valve of above-mentioned band pressure display, have limited block near its edge bottom described holding section, described fixture block and limited block lean, and described limited block has the spigot surface of inclination near the side at edge, holding section.
Adopt the spigot surface of inclination, facilitate the installation of fixture block; After assembling, fixture block and limited block offset and avoid fixture block to come off from limited block, make valve seat and fixture block shape in aggregates, so just can improve the convenience that pressure limiting valve to be dismantled time from handle or installed further.
In the pressure limiting valve of above-mentioned band pressure display, as another kind of technical scheme, near indentation, there, there is locating dowel in described valve seat, described clamp one end is articulated with in locating dowel, described controlling organization comprises the torsion spring be set in locating dowel and the guide pillar be arranged at bottom knob, described torsion spring two ends are connected on clamp and valve seat and clamp has the trend of rotating to inner side around pin joint under the elastic force effect of torsion spring, and described guide pillar and the inside portion of clamp lean.
When pressure limiting valve needs to disassemble from handle, turning knob makes guide pillar away from clamp, and now clamp can make clamp stretch out draw-in groove around pin joint to inner side rotation under the effect of torsion spring, facilitates the dismounting of pressure limiting valve; Otherwise when pressure limiting valve needs to install, turning knob makes to offset inside guide pillar and clamp and makes clamp overcome torsion spring torsion and rotates outside breach thus snap onto in draw-in groove, facilitates the installation of pressure limiting valve.
In the pressure limiting valve of above-mentioned band pressure display, described valve seat has recessed positioning chamber, place of described positioning chamber bottom centre has protruding socket part, knob sleeve is connected on socket part, described knob lower end has the Embedded Division embedded in positioning chamber, the Embedded Division both sides of described knob have buckle, and inside described positioning chamber, correspondence has short slot, and described buckle is connected on the madial wall of the positioning chamber bottom short slot.
Be connected on socket part by knob sleeve and buckle is connected on the madial wall of positioning chamber, knob be stably axially connected with valve seat, thus knob and valve seat are connected as a single entity, facilitate dismounting and the installation of pressure limiting valve; Adopt above-mentioned design, what produce when decreasing knob rocks simultaneously, and pressure limiting bar and guide pillar all can stably be worked, thus further increases the convenience that pressure limiting valve is lower from handle dismounting or install.
In the pressure limiting valve of above-mentioned band pressure display, described knob upper end has cavity, described pressure display cap is positioned at cavity, inside described pressure display cap, there is erection column, described erection column penetrates in socket part, described erection column end is connected with push rod, and the center of described seat bottom portion is connected with sealing shroud one, leans inside described push rod lower end and sealing shroud one.
During normal use, sealing shroud one is plugged in the display valve opening on pot cover, pressure in pot body acts on sealing shroud one makes sealing shroud one, push rod and pressure display cap three move up, and the height that user can rise by observing pressure display cap judge the pressure in pot; By sealing shroud one, push rod, pressure display cap and valve seat three are held together, improve the convenience that pressure limiting valve is lower from handle dismounting or install.
In the pressure limiting valve of above-mentioned band pressure display, there is bottom described cavity protruding assembling block, described assembling block one end is downward-sloping, described assembling block has self-assembly block one end and offer arc-shaped limit groove to the other end, described seat bottom portion has installation portion, described pressure limiting bar is located in installation portion and its upper end through arc-shaped limit groove, described pressure limiting bar upper end has shoulder block, shoulder block is resisted against on arc-shaped limit groove, be connected with sealing shroud two bottom described installation portion, described pressure limiting bar lower end is connected with sealing shroud two.
During work, sealing shroud two is plugged in the pressure valve hole on pot cover, when knob, arc-shaped limit groove follows knob to rotate together, thus make pressure limiting bar rise gradually or decline gradually, be then with movable sealing sleeve two to depart from pressure valve hole or be plugged in pressure valve hole, realize the function of closing gas or exhaust; By sealing shroud two, valve seat, pressure limiting bar are held together, improve the convenience that pressure limiting valve is lower from handle dismounting or install.
In the pressure limiting valve of above-mentioned band pressure display, one end that on described arc-shaped limit groove, self-assembly block is downward-sloping is risen and is disposed with recessed sealing location division, exhaust location division and dismounting location division, described sealing position point is in the downward-sloping one end of assembling block, and the shoulder block of described pressure limiting bar upper end can fall into successively in sealing location division, exhaust location division and dismounting location division in rotation process.
When pressure limiting bar is positioned at sealing location division, sealing shroud two is plugged in pressure valve hole, makes pot cover seal to reach the effect of closing gas; When pressure limiting bar self sealss location division be transferred to exhaust location division process in, pressure limiting bar can rise gradually and is with movable sealing sleeve two to rise and starts to depart from pressure valve hole, when pressure limiting bar is positioned at exhaust location division, sealing shroud two departs from pot cover thus is opened in pressure valve hole, gas in pot body is discharged from pressure valve hole, and now, guide pillar slides in the straight trough section one of guide groove; When pressure limiting bar slides in the process of dismounting location division from exhaust location division, the lateral wall of guide pillar can recline mutually with the madial wall of straight trough section one all the time and stablize and drives clamp to stretch out or be retracted in the draw-in groove on handle, make pressure limiting valve comparatively smooth and easy from the process of handle dismounting or installation, when pressure limiting bar is positioned at dismounting location division, clamp departs from from draw-in groove completely.
In the pressure limiting valve of above-mentioned band pressure display, described guide groove also comprises an arcwall groove communicated with straight trough section one, when knob drives pressure limiting bar to turn to exhaust condition from sealing state, described guide pillar moves along the arcwall groove of guide groove, and when knob drives pressure limiting bar to turn to disassembly status from exhaust condition, described guide pillar to proceed to straight trough section one and moves along it in the arcwall groove of guide groove.
By arranging arcwall groove, make guide pillar can be comparatively smooth and easy and gently slide in straight trough section one, thus the convenience further increasing pressure limiting valve dismounting and install.
In the pressure limiting valve of above-mentioned band pressure display, arc only fluting is offered bottom described cavity, inside described pressure display cap, there is the joint pin protruded in column, described joint pin end is connected with only opening lever, described only opening lever is positioned at arc only fluting, described arc only fluting comprises the larger only section of tearing open of groove width and the less dismounting section of groove width, and described only opening lever lower end external diameter is greater than the groove width of dismounting section, and the groove width of described dismounting section is greater than the external diameter at only opening lever middle part.
When there being pressure in pot body, pressure display cap rises and drives only opening lever rising to make only opening lever lower end be positioned at the only section of tearing open, because only opening lever lower end external diameter is greater than the groove width of dismounting section, when making there is pressure in pot, pressure limiting bar can only switch back and forth between both sealing state and exhaust condition, thus under avoiding showing valve dismounting when there being pressure in pot, guaranteed the safety of user.
Compared with prior art, the pressure limiting valve of this band pressure display has the following advantages:
1, control fixture block by turning knob stretch out or in retraction breach, make this pressure limiting valve under handle dismounting or install all more for convenience.
2, by arranging straight trough section one, make knob in the process of rotating, the lateral wall of guide pillar can recline mutually with the madial wall of straight trough section one all the time and stablize and drives clamp to stretch out or be retracted in the draw-in groove on handle, make pressure limiting valve comparatively smooth and easy from the process of handle dismounting or installation, thus the convenience that improve pressure limiting valve dismounting and install.
3, by arranging only opening lever and arc only fluting and under both cooperations, when making to also have pressure in pot body, pressure limiting bar can only switch back and forth between both sealing state and exhaust condition, thus under avoiding showing valve dismounting when there being pressure in pot, has guaranteed the safety of user.
Accompanying drawing explanation
Fig. 1 is the structural representation that this pressure limiting valve is connected with handle;
Fig. 2 is that the A-A of Fig. 1 cuts open structural representation;
Fig. 3 is the structural representation of this pressure limiting valve;
Fig. 4 is that the B-B of Fig. 3 cuts open structural representation;
Fig. 5 is the detonation configuration schematic diagram of this pressure limiting valve;
Fig. 6 is the structural representation of knob;
The position view of guide pillar when Fig. 7 is confined state;
The structural representation of pressure limiting valve when Fig. 8 is sealing state;
The position view of guide pillar when Fig. 9 is sealing state;
Figure 10 is the structural representation of pressure limiting valve when having air pressure in pot body;
The structural representation of pressure limiting valve when Figure 11 is exhaust condition;
The position view of guide pillar when Figure 12 is exhaust condition;
The position view of guide pillar when Figure 13 is disassembly status;
The position view of only opening lever when Figure 14 is disassembly status.
In figure, 1, valve seat; 1a, positioning chamber; 1b, socket part; 1c, installation portion; 1d, breach; 2, pressure display cap; 2a, erection column; 2b, joint pin; 3, knob; 3a, connecting portion; 3b, Embedded Division; 3c, buckle; 3d, cavity; 3e, assembling block; 3e1, arc-shaped limit groove; 3e2, sealing location division; 3e3, exhaust location division; 3e4, dismounting location division; 3f, locating piece; 3f1, locating hole one; 3f2, straight trough section two; 3g, arc be fluting only; 3g1, the only section of tearing open; 3g2, dismounting section; 3h, guide pillar; 3i, gear indicator collet; 4, pressure limiting bar; 4a, feet; 4b, shoulder block; 5, clamp; 5a, guide groove; 5a1, arcwall groove; 5a2, straight trough section one; 5b, fixture block; 5c, bayonet socket; 5d, holding section; 5e, limited block; 5e1, spigot surface; 6, only opening lever; 7, sealing shroud one; 8, push rod; 8a, annular gear edge; 9, spring one; 10, sealing shroud two; 11, spring two; 12, pot cover; 13, handle.
Detailed description of the invention
Be below specific embodiment of the utility model and by reference to the accompanying drawings, the technical solution of the utility model is further described, but the utility model be not limited to these embodiments.
Embodiment one
As shown in Figures 2 to 7, the pressure limiting valve of this band pressure display is made up of valve seat 1, pressure display cap 2, knob 3, pressure limiting bar 4, clamp 5, only opening lever 6 etc.
Wherein, as shown in Figure 4 and Figure 5, valve seat 1 is in tubular and this valve seat 1 top has recessed positioning chamber 1a downwards, and place of this positioning chamber 1a bottom centre has the socket part 1b of protrusion.Have in the middle part of knob 3 protrusion and connecting portion 3a cylindrically, and connecting portion 3a is set on the 1b of socket part.
As shown in figs. 4 and 7, knob 3 lower end surface has the Embedded Division 3b of protrusion, the both sides of this Embedded Division 3b have buckle 3c and in the present embodiment, two buckle 3c are arranged along Embedded Division 3b Central Symmetry.Inside positioning chamber 1a, correspondence is provided with a short slot, and when Embedded Division 3b is embedded in positioning chamber 1a, two buckle 3c are connected on the madial wall of the positioning chamber 1a bottom short slot respectively, thus makes knob 3 and valve seat 1 realize stably axial location.When knob 3 rotates around socket part 1b center line, two buckle 3c can rotate along the madial wall circumference of positioning chamber 1a.
As shown in Figure 4 and Figure 8, knob 3 upper end has cavity 3d, and above-mentioned pressure display cap 2 is positioned at cavity 3d.Wherein, inside pressure display cap 2, there is erection column 2a in a tubular form and this erection column 2a penetrates in the 1b of socket part.Center bottom valve seat 1 is connected with sealing shroud 1, is provided with push rod 8 and spring 1 between sealing shroud 1 and erection column 2a.Wherein, push rod 8 upper end is plugged in erection column 2a.Push rod 8 upper end outer rim has annular gear along 8a and this annular keep off recline mutually along 8a and erection column 2a end face, push rod 8 lower end surface and sealing shroud 1 lean.Spring 1 is set on erection column 2a and spring 1 two ends and keeps off with annular respectively and offseting along 8a and socket part 1a roof, makes push rod 8 have the trend moved downward.In the present embodiment, pressure display cap 2 outer rim has the displaying block of some different colours and this displaying block highly distributes along pressure display cap 2, thus embody the scope of pressure in the body that takes the dish out of the pot by the displaying block of different colours.Nature, the scope that the display ring that pressure display cap 2 outer rim is provided with some different colours embodies pressure in pot body is also fine.
As shown in Figure 8, bottom valve seat 1, there is installation portion 1c and be connected with sealing shroud 2 10 bottom this installation portion 1c.Above-mentioned pressure limiting bar 4 is positioned at installation portion 1c and this pressure limiting bar 4 lower end and sealing shroud 2 10 madial wall offset.Specifically, pressure limiting bar 4 lower end outer rim also has feet 4a and this feet 4a and sealing shroud 2 10 madial wall offset.Also be provided with spring 2 11 in installation portion 1c, this spring 2 11 is set on pressure limiting bar 4 and these spring 2 11 two ends and offsets with installation portion 1c roof and feet 4a respectively, thus makes pressure limiting bar 4 have the trend moved downward.
As shown in Figure 6, there is bottom cavity 3d the assembling block 3e of protrusion and this assembling block 3e is downward-sloping near one end of pressure limiting bar 4.Assembling block 3e has self-assembly block 3e one end and offer arc-shaped limit groove 3e1 to the other end, one end that on arc-shaped limit groove 3e1, self-assembly block 3e is downward-sloping is risen and is disposed with recessed sealing location division 3e2, exhaust location division 3e3 and dismounting location division 3e4, and sealing location division 3e2 is positioned on the downward-sloping one end of arc-shaped limit groove 3e1.Pressure limiting bar 4 upper end is through arc-shaped limit groove 3e1, and this pressure limiting bar 4 upper end has shoulder block 4b and this shoulder block 4b is resisted against on arc-shaped limit groove 3e1.When knob 3 is in the process of rotating, the shoulder block 4b of pressure limiting bar 4 upper end can fall in sealing location division 3e2, exhaust location division 3e3 and dismounting location division 3e4 successively.
As shown in Figure 3, locating piece 3f is provided with near assembling block 3e place bottom cavity 3d and the height of this locating piece 3f is greater than the minimum constructive height of assembling block 3e.Locating piece 3f has self-align piece of 3f one end and offer locating slot to the other end and this locating slot is connected with arc-shaped limit groove 3e1.The locating hole two that this locating slot comprises straight trough section two 3f2, locating hole one 3f1 axially run through and axially runs through.Locating hole one 3f1 to be connected with locating hole two by straight trough section two 3f2 and locating hole two between locating hole one 3f1 and arc-shaped limit groove 3e1.Wherein, the aperture of locating hole one 3f1 and the aperture of locating hole two are all greater than the external diameter of shoulder block 4b; The groove width of straight trough section two 3f2 is less than the external diameter of shoulder block 4b but is greater than the external diameter of pressure limiting bar 4, and namely shoulder block 4b can slide in sealing location division 3e2 from locating hole one 3f1, but when normally using, shoulder block 4b cannot return back in locating hole one 3f1.
As shown in Figure 6 and Figure 8, also offer an arc bottom cavity 3d and only to slot 3g, and socket part 1a is at arc only between fluting 3g and locating piece 3f.Have the joint pin 2b protruded in column inside pressure display cap 2, arc is only provided with a cylindrical only opening lever 6 in fluting 3g and should be only plugged in joint pin 2b opening lever 6 upper end.Specifically, arc only fluting 3g comprises the larger only section of tearing open the 3g1 of groove width and the less dismounting section 3g2 of groove width, and only opening lever 6 lower end external diameter is greater than the groove width of dismounting section 3g2, and the groove width of dismounting section 3g2 is greater than the external diameter in the middle part of only opening lever 6.
As shown in Figure 4 and Figure 5, valve seat 1 both sides offer breach 1d, and in the present embodiment, two breach 1d are arranged along valve seat 1 Central Symmetry.Each breach 1d place is equipped with a curved clamp 5, is provided with the controlling organization that clamp 5 can be made to stretch out from breach 1d place or retract when knob 3 rotates between valve seat 1 and knob 3.
In the present embodiment, as shown in Figure 4, controlling organization comprises the guide groove 5a being arranged at clamp 5 surface and the guide pillar 3h be arranged at bottom knob 3.Wherein, guide groove 5a comprises the arcwall groove 5a1 and straight trough section one 5a2 that are interconnected, and the radian of arcwall groove 5a1 is identical with the radian of arc-shaped limit groove 3e1.When knob 3 drives pressure limiting bar 4 to turn to exhaust location division 3e3 from sealing location division 3e2, guide pillar 3h moves along the arcwall groove 5a1 of guide groove 5a; When knob 3 drives pressure limiting bar 4 to turn to dismounting location division 3e4 from exhaust location division 3e3, guide pillar 3h to proceed to straight trough section one 5a2 and moves along it thus clamp 5 is retracted from breach 1d place in the arcwall groove 5a1 of guide groove 5a.
Further optimization, as shown in Figure 3 and Figure 5, have the fixture block 5b taken the shape of the letter U bottom clamp 5, corresponding breach 1d place, the edge bottom valve seat 1 has two adjacent bayonet socket 5c and forms holding section 5d between adjacent two bayonet socket 5c, and this holding section 5d is through the inner side of fixture block 5b.As shown in Figure 5, have limited block 5e near its edge bottom the 5d of holding section, fixture block 5b and limited block 5e leans, and limited block 5e has the spigot surface 5e1 of inclination near the side at 5d edge, holding section, is convenient to the installation of fixture block 5b.The both sides of fixture block 5b snap in two bayonet socket 5c respectively and under the effect of knob 3, fixture block 5b can move axially along bayonet socket 5c.
As shown in Fig. 1, Fig. 3 and Fig. 8, knob 3 lateral wall is also connected with gear indicator collet 3i.When reality uses, handle 13 is marked with exhaust gear icon, sealing gear icon and dismounting gear icon, rotates knob 3 and makes that gear indicator collet 3i is relative with the icon on handle 13 just can realize required function.
As depicted in figs. 1 and 2, the pressure limiting valve of this band pressure display is be contained on the handle 13 that is connected with pot cover 12 and sealing shroud 1 to be all connected with pot cover 12 with sealing shroud 2 10 in use.Wherein, be provided with the draw-in groove matched with clamp 5 inside handle 13, clamp 5 is by snapping in or departing from draw-in groove to realize the connection of pressure limiting valve and handle 13.Pot cover 12 is provided with pressure valve hole and display valve opening, and when normally using, sealing shroud 1 is inserted in display valve opening also will show valve opening sealing; Sealing shroud 2 10 to be inserted in pressure valve hole and to be sealed in pressure valve hole.
During the assembling of this pressure limiting valve, as shown in Figure 6 and Figure 7, shoulder block 4b on pressure limiting bar 4 enters in knob 3 inner chamber by locating hole one 3f1, then by pressure limiting bar 4 pull-up and turning knob 3 make pressure limiting bar 4 slip over straight trough section two 3f2 and make shoulder block 4b drop into sealing location division 3e2 in and now, shoulder block 4b and arc-shaped limit groove 3e1 offsets.External diameter due to shoulder block 4b is greater than the groove width of straight trough section two 3f2, makes at normal pot life depression bar 4 without being sent back in locating hole one 3f1.Then being snapped onto in draw-in groove by clamp 5 makes pressure limiting valve be connected with handle 13, is then inserted into by sealing shroud 1 and shows in valve opening and will show valve opening sealing under the effect of spring 1; Sealing shroud 2 10 to be inserted in pressure valve hole and to be sealed in pressure valve hole under the effect of spring 2 11.
When normal use (i.e. sealing state), as shown in Fig. 8, Fig. 9 and Figure 10, producing pressure in pot body acts on sealing shroud 1, the elastic force making push rod 8 overcome spring 1 moves and is with dynamic pressure to show on cap 2 and move, the scope of pressure in pot body is judged by the color of observing displaying block on pressure display cap 2 lateral wall, and now, only opening lever 6 lower end is positioned at the only section of tearing open 3g1.
When pressure in pot body is excessive need exhaust time (entering exhaust condition), as is illustrated by figs. 11 and 12, turning knob 3 makes pressure limiting bar 4 slide from sealing location division 3e2 to exhaust location division 3e3, and now, guide pillar 3h slides in arcwall groove 5a1; Only slide in the only section of tearing open 3g1 in the middle part of opening lever 6.When in the process that pressure limiting bar 4 slides toward exhaust 3e3 direction, location division, shoulder block 4b overcomes spring 2 11 elastic force and rises gradually and be with movable sealing sleeve 2 10 to rise; When shoulder block 4b is positioned at exhaust location division 3e3, sealing shroud 2 10 departs from pressure valve hole thus the gas in pot body is discharged by pressure valve hole, and now, only opening lever 6 lower end offsets with dismounting section 3g2 edge, and guide pillar 3h is positioned at the junction of arcwall groove 5a1 and straight trough section one 5a2.
When there being pressure in pot body, only opening lever 6 lower end is positioned at the only section of tearing open 3g1, and the groove width of dismounting section 3g2 is greater than owing to stopping opening lever 6 lower end external diameter, make only opening lever 6 cannot turn in dismounting section 3g2, thus when having pressure in pot body, shoulder block 4b cannot continue rotate to dismounting 3e4 place, location division thus pressure limiting valve cannot be disassembled, and improves safety in utilization.
When in pot body without during pressure and pressure limiting valve needs to disassemble time (entering disassembly status), as shown in Figure 13 and Figure 14, now pressure display cap 2 resets and drives only opening lever 6 to move down and make to stop in the middle part of opening lever 6 and is positioned at the only section of tearing open 3g1.Turning knob 3 makes shoulder block 4b move to dismounting location division 3e4, and now, guide pillar 3h can be transferred in straight trough section one 5a2, only turns to dismounting section 3g2 in the middle part of opening lever 6.In the process that pressure limiting bar 4 slides toward dismounting 3e4 direction, location division, the lateral wall of guide pillar 3h can recline mutually with the madial wall of straight trough section one 5a2 all the time and stablize under the effect of holding section 5d and fixture block 5b and drive clamp 5 to spin off from the draw-in groove handle 13, when knob 3 cannot rotate, clamp 5 spins off completely in draw-in groove, is now just taken out by pressure limiting valve very easily.
Embodiment two
The present embodiment two with the structure of embodiment one and principle substantially identical, different place is: have locating dowel near breach 1d place in valve seat 1, clamp 5 one end is articulated with in locating dowel, controlling organization comprises the torsion spring be set in locating dowel and the guide pillar 3h be arranged at bottom knob 3, torsion spring two ends are connected on clamp 5 and valve seat 1 and clamp 5 has the trend of rotating inside breach 1d around pin joint under the elastic force effect of torsion spring, and the inside portion of guide pillar 3h and clamp 5 leans.When pressure limiting valve needs to disassemble from handle 13, turning knob 3 makes guide pillar 3h clamp 5 away from clamp 5, and now clamp 5 can rotate around pin joint and make clamp 5 stretch out draw-in groove under the effect of torsion spring inside breach 1d, facilitates the dismounting of pressure limiting valve; Otherwise when pressure limiting valve needs to install, turning knob 3 makes to offset inside guide pillar 3h and clamp 5 and makes clamp 5 overcome torsion spring torsion and rotates outside breach 1d thus snap onto in draw-in groove, facilitates the installation of pressure limiting valve.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendment or supplements or adopt similar mode to substitute to described specific embodiment, but can't depart from spirit of the present utility model or surmount the scope that appended claims defines.
Claims (10)
1. the pressure limiting valve with pressure display, be arranged on the handle (13) of pressure cooker, comprise valve seat (1) and be connected to pressure display cap (2) of valve seat (1) center, it is characterized in that, described valve seat (1) center is connected with the knob (3) that can rotate relative to valve seat (1) and knob (3) is positioned at valve seat (1) and pressure shows between cap (2), be provided with between described knob (3) and valve seat (1) and pressure controlled pressure limiting bar (4) can be carried out to pressure cooker, described valve seat (1) both sides offer breach (1d), described breach (1d) place is provided with curved clamp (5), the controlling organization that clamp (5) can be made to stretch out from breach (1d) place or retract when knob (3) rotates is provided with between described valve seat (1) and knob (3).
2. the pressure limiting valve of band pressure display according to claim 1, it is characterized in that, described controlling organization comprises the guide groove (5a) being arranged at clamp (5) surface and the guide pillar (3h) being arranged at knob (3) bottom, described guide groove (5a) comprises a straight trough section one (5a2), described guide pillar (3h) is positioned at the straight trough section one (5a2) of guide groove (5a), and the clamp (5) described in when guide pillar (3h) moves along the straight trough section one (5a2) of guide groove (5a) stretches out or in retraction breach (1d).
3. the pressure limiting valve of band pressure display according to claim 1 and 2, it is characterized in that, described clamp (5) bottom has the fixture block (5b) taken the shape of the letter U, corresponding breach (1d) place, edge of described valve seat (1) bottom has two adjacent bayonet sockets (5c) and forms holding section (5d) between adjacent two bayonet sockets (5c), described holding section (5d) is through the inner side of fixture block (5b), and the both sides of described fixture block (5b) snap in respectively in two bayonet sockets (5c) and also can move axially along bayonet socket (5c).
4. the pressure limiting valve of band pressure display according to claim 3, it is characterized in that, described bottom, holding section (5d) has limited block (5e) near its edge, described fixture block (5b) and limited block (5e) lean, and described limited block (5e) has the spigot surface (5e1) of inclination near the side at holding section (5d) edge.
5. the pressure limiting valve of band pressure display according to claim 1, it is characterized in that, described valve seat (1) has recessed positioning chamber (1a), place of described positioning chamber (1a) bottom centre has protruding socket part (1b), knob (3) is socketed on socket part (1b), described knob (3) lower end has the Embedded Division (3b) in embedding positioning chamber (1a), Embedded Division (3b) both sides of described knob (3) have buckle (3c), described positioning chamber (1a) inner side correspondence has short slot, described buckle (3c) is connected on the madial wall of the positioning chamber (1a) bottom short slot.
6. the pressure limiting valve of band pressure display according to claim 5, it is characterized in that, described knob (3) upper end has cavity (3d), described pressure display cap (2) is positioned at cavity (3d), described pressure display cap (2) inner side has erection column (2a), described erection column (2a) penetrates in socket part (1b), described erection column (2a) end is connected with push rod (8), the center of described valve seat (1) bottom is connected with sealing shroud one (7), described push rod (8) lower end and sealing shroud one (7) inner side lean.
7. the pressure limiting valve of band pressure display according to claim 6, it is characterized in that, described cavity (3d) bottom has protruding assembling block (3e), described assembling block (3e) one end is downward-sloping, described assembling block (3e) has self-assembly block (3e) one end and offer arc-shaped limit groove (3e1) to the other end, described valve seat (1) bottom has installation portion (1c), described pressure limiting bar (4) is located in installation portion (1c) and its upper end through arc-shaped limit groove (3e1), described pressure limiting bar (4) upper end has shoulder block (4b), shoulder block (4b) is resisted against on arc-shaped limit groove (3e1), described installation portion (1c) bottom is connected with sealing shroud two (10), described pressure limiting bar (4) lower end is connected with sealing shroud two (10).
8. the pressure limiting valve of band pressure display according to claim 7, it is characterized in that, described arc-shaped limit groove (3e1) one end that above self-assembly block (3e) is downward-sloping is risen and is disposed with recessed sealing location division (3e2), exhaust location division (3e3) and dismounting location division (3e4), described sealing location division (3e2) is positioned at the downward-sloping one end of assembling block (3e), the shoulder block (4b) of described pressure limiting bar (4) upper end can fall into sealing location division (3e2) successively in rotation process, be vented in location division (3e3) and dismounting location division (3e4).
9. the pressure limiting valve of band pressure display according to claim 2, it is characterized in that, described guide groove (5a) also comprises an arcwall groove (5a1) communicated with straight trough section one (5a2), when knob (3) drives pressure limiting bar (4) to turn to exhaust condition from sealing state, described guide pillar (3h) moves along the arcwall groove (5a1) of guide groove (5a), and when knob (3) drives pressure limiting bar (4) to turn to disassembly status from exhaust condition, described guide pillar (3h) to proceed to straight trough section one (5a2) and moves along it in the arcwall groove (5a1) of guide groove (5a).
10. the pressure limiting valve of band pressure display according to claim 6, it is characterized in that, described cavity (3d) bottom offers arc only fluting (3g), described pressure display cap (2) inner side has the joint pin (2b) protruded in column, described joint pin (2b) end is connected with only opening lever (6), described only opening lever (6) is positioned at arc only fluting (3g), described arc only fluting (3g) comprises the larger only section of tearing open (3g1) of groove width and the less dismounting section (3g2) of groove width, described only opening lever (6) lower end external diameter is greater than the groove width of dismounting section (3g2), the groove width of described dismounting section (3g2) is greater than the external diameter at only opening lever (6) middle part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420719760.3U CN204306642U (en) | 2014-11-25 | 2014-11-25 | A kind of pressure limiting valve with pressure display |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420719760.3U CN204306642U (en) | 2014-11-25 | 2014-11-25 | A kind of pressure limiting valve with pressure display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204306642U true CN204306642U (en) | 2015-05-06 |
Family
ID=53128983
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420719760.3U Active CN204306642U (en) | 2014-11-25 | 2014-11-25 | A kind of pressure limiting valve with pressure display |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204306642U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104398141A (en) * | 2014-11-25 | 2015-03-11 | 浙江苏泊尔股份有限公司 | Pressure limiting valve with pressure display |
-
2014
- 2014-11-25 CN CN201420719760.3U patent/CN204306642U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104398141A (en) * | 2014-11-25 | 2015-03-11 | 浙江苏泊尔股份有限公司 | Pressure limiting valve with pressure display |
| CN104398141B (en) * | 2014-11-25 | 2016-12-07 | 浙江苏泊尔股份有限公司 | The pressure limiting valve that a kind of band pressure shows |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202173242U (en) | Pressure cooker cover | |
| ITVE20130029A1 (en) | PRESSING DEVICE FOR COFFEE POWDER IN THE FILTER HOLDER.- | |
| CN202091558U (en) | Anti-scald safety valve | |
| RU2014136108A (en) | WASHING PRESSURE DIFFERENCE VALVE | |
| CN204306642U (en) | A kind of pressure limiting valve with pressure display | |
| CN106461109B (en) | Sanitary fixture | |
| CN103075539A (en) | Single-handle dual-control constant-temperature valve core | |
| CN103912693B (en) | Single-handle double-control thermostatic valve with micro adjustment function | |
| CN206001041U (en) | Diaphragm valve | |
| CN104398141A (en) | Pressure limiting valve with pressure display | |
| CN105240559B (en) | A kind of fuel gas plug valve with cam limit mechanism | |
| CN116816567A (en) | Multi-channel flow control valve group | |
| CN206419504U (en) | A kind of tap for washbasin | |
| CN103671999B (en) | Fuel gas plug valve with gapless knob structure | |
| CN203302857U (en) | Pressure cooker and pressure regulating device for pressure cooker | |
| CN209031895U (en) | Exhaust valve, pot cover component, cooking apparatus and exhaust plug | |
| CN208491603U (en) | A kind of cup lid and the cup containing the cup lid | |
| US2210375A (en) | Faucet | |
| CN207532292U (en) | A kind of limiting valve of pressure cooker and pressure cooker | |
| CN206320346U (en) | A kind of kitchen constant-temperature tap | |
| CN207048965U (en) | The means of deflation of water pump | |
| CN203131109U (en) | Single-handle double-control constant temperature valve core | |
| CN209645496U (en) | A kind of fumigation device | |
| CN203987546U (en) | Pressure cooker | |
| CN215806606U (en) | Tap water nozzle structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |