CN209186369U - Limiting valve of pressure cooker - Google Patents
Limiting valve of pressure cooker Download PDFInfo
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- CN209186369U CN209186369U CN201821848913.9U CN201821848913U CN209186369U CN 209186369 U CN209186369 U CN 209186369U CN 201821848913 U CN201821848913 U CN 201821848913U CN 209186369 U CN209186369 U CN 209186369U
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Abstract
The utility model relates to a kind of limiting valve of pressure cooker, including pedestal, relocation mechanism, exhaust gear, air pressure grade regulating mechanism, air pressure grade regulating mechanism includes adjusting knob, grade instruction disk, the adjusting sliding rail of the hollow out of one of arc is provided on the inside of adjusting knob, along the interior sidewall surface of air pressure grade adjusting knob, to low side, gradually backspin, the both sides of the edge for adjusting sliding rail are provided with the undulatory rack gear for presenting lower bumps from high-end；The sliding part that T-type is provided in sliding rail is adjusted, the lower surface of the horizontal part of sliding part is arranged to the positioning region of protrusion, and the vertical portion of sliding part is connect with the exhaust gear.The utility model increases undulatory rack gear on adjusting sliding rail, and positioning region is added on sliding part, can be accurately positioned in rotary sliding；Grade instruction disk and floating cover be it is relatively independent, floating cover lifting float not will cause grade instruction disk displacement, adjust air pressure grade when can be realized accurate and stable positioning.
Description
Technical field
The utility model belongs to pressure cooker technical field, and in particular to a kind of limiting valve of pressure cooker.
Background technique
For the pressure limiting valve or relief valve of pressure cooker, has the function of decompression exhaust.With constantly mentioning for user demand
It rises, single decompression exhaust function has been unable to meet user demand, and therefore, the function of pressure limiting valve is improved day by day, has tool at present
The standby pressure limiting valve for adjusting pressure functional, such as a kind of pressure limiting valve shown with pressure of published patent document CN104398141B,
The pressure limiting valve is adjusted pressure, indicates with pressure.However, since the relevant shoulder block of pressure regulation and arc limit slot are smoothly to connect
Touching is easy to appear positional shift, or even in pressure cooker use process, pressure limiting bar when pressure is adjusted by rotating knob
The floating generated under pressure will also result in pressure regulation offset, also, the pressure in above-mentioned document shows cap in the band of mandril
Also floatings can be generated under dynamic, a possibility that increased pressure regulation offset.
Summary of the invention
Defect existing for pressure adjusting structure of the utility model mainly for pressure limiting valve has invented a kind of limiting valve of pressure cooker,
Undulatory rack gear is increased on adjusting sliding rail, and adds the positioning region of matched protrusion on sliding part, is being rotated
It can be accurately positioned when sliding, and the feel that operator accurately engages can be passed to；Furthermore grade indicates disk and floating cover
Be it is relatively independent, floating cover lifting float not will cause grade instruction disk displacement, adjust air pressure grade when can be realized
Accurate and stable positioning；The exhaust valve of above-mentioned pressure limiting valve is supported by sliding part, and the elevating control exhaust passage of exhaust valve is opened
It opens and closes, keep gas exhaust inspecting more acurrate more in time.
The above-mentioned technical problem of the utility model is carried out by the following technical programs: a kind of pressure cooker pressure-limiting
Valve is installed on the pot cover of pressure cooker, including pedestal, relocation mechanism that perpendicular straight elevator is provided on pedestal, the row for pressure release
Mechanism of qi structure, the air pressure grade regulating mechanism for adjusting air pressure level, which is characterized in that the pedestal include horizontal seat surface,
It is circumferentially positioned at the base side wall on seat surface periphery, is arranged on seat surface for installing the first mounting hole of relocation mechanism, for installing
Second mounting hole of exhaust gear.
The air pressure grade regulating mechanism includes adjusting knob, grade instruction disk, which is arranged to cylindrical annular,
The lower part of adjusting knob and the top of the base side wall are formed by embossed card seaming element and are rotatably connected relatively, adjusting knob
Inside be provided with one of arc hollow out adjusting sliding rail, one end of the adjusting sliding rail is higher than the other end, and along air pressure
For the interior sidewall surface of grade adjusting knob from high-end to low side gradually backspin, the both sides of the edge for adjusting sliding rail, which are provided with, presents lower bumps
Undulatory rack gear.
The sliding part of T-type is provided in the adjusting sliding rail, the horizontal position of sliding part is on adjusting sliding rail, sliding part
Vertical portion be passed down through adjusting sliding rail, the lower surface of the horizontal part of sliding part contacts with rack gear and is arranged to and rack gear phase
The positioning region for the protrusion matched, the vertical portion of sliding part is connect with the exhaust gear.Rotation of adjustment knob, make sliding part relative to
It adjusts sliding rail fluctuation to slide, positioning region is made accurately to be embedded in the recessed portion of rack gear in positioning；In rotation adjustment process, positioning region
Fluctuation between rack gear can pass to the feel that operator accurately engages.
Grade in the air pressure grade regulating mechanism indicates disk, is arranged to the disk of the circular ring shape of middle part hollow out, disk
Corresponding to adjust sliding rail position be provided with grade number mark, the disk be located at the inside of adjusting knob and with adjusting knob
Upper end flushes, and connects supporting element between disk and seat surface below, meanwhile, the top edge of adjusting knob is provided with an instruction
Part, then rotate adjusting knob, and indicator can be identified with the grade number in disk and is aligned.Grade indicates that disk is opposing stationary, adjusts
Knob relative rotation is saved, indicator is aligned with a certain grade number mark, that is, completes to adjust operation.
The exhaust gear is located at the lower section of the sliding part, and the exhaust valve of exhaust gear is supported by sliding part.
Preferably, the lower end connection one of the vertical portion of the sliding part is hollow to guide sleeve, the lower ending opening of guide sleeve.
Preferably, the exhaust gear includes the exhaust pipe of setting at the second mounting hole, the top setting of exhaust pipe
There is first row stomata, meanwhile, second row stomata is provided on the base side, first row stomata and second row stomata are by being vented
Channel is connected to, and has an exhaust valve above the exhaust pipe, the lower part of exhaust valve can extend into the top of exhaust pipe and closing
First row stomata, the upper end of exhaust valve connect one section of spring, and the guide sleeve, and the upper end of spring are protruded into the top of spring
Connect the upper surface of the guide sleeve.Air pressure in pressure cooker, reache a certain level and the active force of air pressure be greater than spring work
When firmly, driving exhaust valve rises, and opens exhaust passage.When sliding part is moved along adjusting sliding rail, sliding part and row are changed
The distance of air valve to change the active force of spring, and then influences pressure at expulsion.
Preferably, the lower end of the exhaust pipe connects exhaust end cover, there is up and down logical at the center of exhaust end cover
Stomata.Since air slit diameter is relatively excessive, it is limited with the venthole of exhaust end cover, the diameter of venthole and
One gas vent, exhaust passage, second row stomata are to matching.
Preferably, the relocation mechanism includes the floating guiding column of setting at the first mounting hole, floating guiding column
Inside is cylindrical hole up and down, and floating lever is arranged in the floating guiding column, and the upper end of floating lever connects floating cover.Work as pressure
There are when certain air pressure in power pot, driving floating lever rises, and floating cover is driven to rise, to show the presence of air pressure
Preferably, the floating cover includes the nut cap of superposed level, the vertical connection column positioned at lower part,
The nut cap is arranged to circular slab, and nut cap is located at the hollowed out area of grade instruction disk, and nut cap is fixed in the upper end for being coupled column,
The lower end for being coupled column is connected to the upper end of floating lever.Floating cover and grade instruction disk are relative to independence.
Preferably, top to the lower end for being coupled column is arranged to inner sidewall that is hollow, and being coupled the close lower end of column
Face is provided with the connection slot of a circle indent, if being coupled uniform intervals setting arterial highway hollow out on the top to the side wall of lower end of column
Slot, the lower ending opening of slot；Meanwhile the upper end of the floating lever is arranged to and the lower end for being coupled column and is coupled slot and matches
It is coupled clamp, i.e., connection clamp, which can be embedded in, is coupled in slot.
Preferably, the diameter of the lower part for being coupled column is equal with the diameter of cylindrical hole in the floating guiding column,
And the lower part for being coupled column can extend into the cylindrical hole in floating guiding column.Being coupled between column and floating lever is detachably to connect
It connects, using the concave-convex engaging of structure itself without other fastening structure parts, simplifies components and convenient for assembly.
Preferably, the diameter of the top of the floating lever to lower part is greater than the diameter for being coupled clamp, the floating guiding
The diameter of the cylindrical hole of column is greater than the diameter of floating lever, encloses guide ring around connection one in the lower loop of floating lever, guide ring it is outer
Edge is contacted with the inner wall of the cylindrical hole of floating guiding column.Due to the effect of guide ring, the inside of floating lever and floating guiding column
It not fully contacts, retains gap, to guarantee the smooth floating of floating lever, while reducing frictional resistance.
Preferably, the lower end of the floating guiding column connects sealing element, which is soft elastic component, described floating
The lower end of lever and sealing element contradict.The rising of floating lever is driven by air pressure, prevents gas leakage using sealing element.
In conclusion the utility model has the advantages that compared with prior art
The utility model increases undulatory rack gear on adjusting sliding rail, and adds on sliding part matched
The positioning region of protrusion when adjusting air pressure, by rotation of adjustment knob, slides sliding part relative to sliding rail fluctuation is adjusted, fixed
Positioning region is set accurately to be embedded in the recessed portion of rack gear when position；Also, the fluctuation in rotation adjustment process, between positioning region and rack gear
The feel that operator accurately engages can be passed to, positioning accuracy is improved；The grade instruction disk and floating cover of the utility model
Be it is relatively independent, grade indicates that disk is static relative to pedestal, and floating cover is gone up and down relative to pedestal, and the lifting of floating cover is floated
The displacement that not will cause grade instruction disk, avoid pressure cooker using when cause stress grade position inaccurate phenomenon, guarantee positioning
It is accurate and continual and steady；The exhaust valve of the pressure limiting valve of the utility model is supported by sliding part, and the elevating control exhaust of exhaust valve is logical
The opening and closing in road keep gas exhaust inspecting more acurrate more in time.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the cross-sectional view of the utility model；
Fig. 3 is the explosive view of the utility model.
Figure label are as follows: 1, adjusting knob；2, grade indicates disk；3, sliding rail is adjusted；4, rack gear；5, sliding part；6, it indicates
Part；7, guide sleeve；8, exhaust pipe；9, exhaust passage；10, exhaust valve；11, spring；12, exhaust end cover；13, venthole；14, it floats
Action-oriented column；15, floating lever；16, nut cap；17, it is coupled column；18, it is coupled clamp；19, guide ring；20, sealing element；21, pedestal.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
Embodiment 1:
As shown in Figure 1, 2, 3, a kind of limiting valve of pressure cooker is installed on the pot cover of pressure cooker, mainly from pedestal 21, vertically to
The relocation mechanism of lifting, the exhaust gear of exhaust gear for pressure release, the air pressure grade for adjusting air pressure level adjust machine
Structure is constituted.
The pedestal 21 has the seat surface of a circular plate type, encloses base side wall around setting one along the peripheral ring of seat surface；In seat surface
The first mounting hole of upper setting and the second mounting hole, the first mounting hole are located at the center of seat surface, and the second mounting hole is located at side；?
Relocation mechanism is installed in one mounting hole, exhaust gear is installed in the second mounting hole.
The air pressure grade regulating mechanism, mainly by adjusting knob 1, adjust sliding slot 3, slide part 5, grade instruction disk 2, refer to
Show that part 6 is constituted；Specifically, adjusting knob 1 is arranged to cylindrical annular, there is the strip of evagination on the outside of the lower edge of adjusting knob 1, together
When, the inner sidewall in the top edge of base side wall has the card slot of indent, then adjusting knob 1 and base side wall pass through concave-convex fastener
Form opposite be rotatably connected.
The inside of adjusting knob 1 is provided with the adjusting sliding rail 3 of the hollow out of one of arc, one end of the adjusting sliding rail 3 is high
The both sides of the edge of sliding rail 3 are adjusted from high-end to low side gradually backspin in the other end, and along the interior sidewall surface of adjusting knob 1
The concave-convex undulatory rack gear 4 of camber or more is set, the sliding part 5 that T-type is set in sliding rail 3, the level of sliding part 5 are being adjusted
Portion, which is located at, to be adjusted on sliding rail 3, and the vertical portion of sliding part 5, which is passed down through, adjusts sliding rail 3, the lower surface of the horizontal part of sliding part 5
Convex positioning region under having, the positioning region and the concaveconvex shape of rack gear 4 match, and are capable of forming engaging positioning.
In the disk of the circular ring shape of middle part hollow out, disk corresponds to the position for adjusting sliding rail 3 to be had the grade instruction disk 2
Grade number mark, the disk are located at the inside of adjusting knob 1 and flush with the upper end of adjusting knob 1, and there is a circle on the periphery of disk
The frame members extended downwardly, meanwhile, adjusting knob 1 upper inner wall surface and have rectangular-shaped step close to upper edge
Supporting element is connected between portion, and the frame members on disk periphery are placed on stage portion, the frame members and seat surface below, is propped up
Support member is vertical rod piece, and there is a limiting section of horizontal evagination in the lower end of rod piece, and when assembly, the lower end of supporting element passes through seat surface, and
The bottom surface of limiting section and seat surface contradicts；There is an indicator 6 in the top edge of adjusting knob 1, with the rotation of adjusting knob 1,
Indicator 6 can be aligned with the grade number mark in disk respectively.
The exhaust gear is located at the lower section of sliding part 5, connects a hollow cylinder in the lower end of the vertical portion of sliding part 5
Annular to guide sleeve 7, the lower ending opening of guide sleeve 7.
The exhaust gear, is arranged exhaust pipe 8 at the second mounting hole, and the top of exhaust pipe 8 is towards the edge side of seat surface
To there is first row stomata, meanwhile, be that first row stomata is close has a second row stomata on base side, first row stomata and
Second row stomata is connected to by acclivitous exhaust passage 9 together；The lower end of exhaust pipe 8 connects exhaust end cover 12, exhaust end cover
There is a venthole 13 up and down at 12 center；There is a columned exhaust valve 10 in the top of exhaust pipe 8, in exhaust valve 10
There is the locating ring of a ring shape in portion, and the lower part of exhaust valve 10 can extend into the top of exhaust pipe 8 and close first row stomata, row
The lower end of air valve is taper, and the upper end of exhaust valve 10 connects one section of spring 11, and the lower end of spring 11 resists locating ring, spring 11
The guide sleeve 7 of 1 lower end of sliding part is protruded on top, and the upper end of spring 11 is connected to the upper surface of guide sleeve 7.
The relocation mechanism is mainly made of floating guiding column 14, floating lever 15, floating cover；It installs at the first mounting hole
Columned floating guiding column 14, the inside of floating guiding column 14 are cylindrical hole up and down；Floating lever 15, which is located to float, leads
Into column 14；The diameter of cylindrical hole in the floating guiding column 14 is greater than the diameter of floating lever 15, in the lower part of floating lever 15
Around one circle guide ring 19 of connection, the outer edge of guide ring 19 is contacted with the inner wall of the cylindrical hole in floating guiding column 14, floating
The lower end of action-oriented column 14 connects sealing element 20, can by port closed in order to avoid gas leakage, the sealing element 20 are soft elastic component,
The lower end of the floating lever 15 exposes to the lower end of floating guiding set 14, therefore, floating lever 15 in the truncated cone to stand upside down
Lower end and sealing element contradict.
There is a diameter with respect to reduced connection clamp 18 in the upper end of floating lever 15, and is coupled clamp 18 and floating lever 14
There is recessed portion in upper end junction；Floating cover is connected in 15 upper end of floating lever；Specifically, water of the floating cover by top
The vertical connection column 17 of flat nut cap 16 and lower part is constituted, and nut cap 16 is arranged to circular slab, and nut cap 16 is located at the grade
Indicate the hollowed out area of disk 2,16 center of nut cap is fixed in the upper end for being coupled column 17, and the top for being coupled column 17 is arranged to lower end
Sky, and the interior sidewall surface for being coupled the close lower end of column 17 is provided with the connection slot of a circle indent, is coupled top to the lower end of column 17
Side wall on uniform intervals be arranged 3 hollow outs slot, the lower ending opening of slot；Then by the connection clamp 18 of 15 upper end of floating lever from connection
Knot 17 lower end of column is embedded in upwards to be coupled in slot, and formation is connected together；Meanwhile then will be coupled column 17 lower part, together be coupled block
First 18 protrude into from the upper end of floating guiding column 14 together, i.e. the diameter and the cylinder in floating guiding column 14 of the lower part of connection column 17
The diameter in hole is equal.
Specific embodiment described in text is only to give an example to the spirit of the present invention.Belonging to the utility model
Those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitutes, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (10)
1. a kind of limiting valve of pressure cooker is installed on the pot cover of pressure cooker, including pedestal (21), is provided with perpendicular straight elevator on pedestal
Relocation mechanism, the exhaust gear for pressure release, the air pressure grade regulating mechanism for adjusting air pressure level, which is characterized in that
The pedestal includes horizontal seat surface, the base side wall for being circumferentially positioned at seat surface periphery, and setting is floating for installing on seat surface
First mounting hole of motivation structure, the second mounting hole for installing exhaust gear；
The air pressure grade regulating mechanism includes adjusting knob (1), grade instruction disk (2), which is arranged to cylinder ring
The top of shape, the lower part of adjusting knob and the base side wall is formed by embossed card seaming element to be rotatably connected relatively, is adjusted
The adjusting sliding rail (3) of the hollow out of one of arc is provided on the inside of knob, one end of the adjusting sliding rail is higher than the other end, and edge
Air pressure grade adjusting knob interior sidewall surface from high-end to low side gradually backspin, the both sides of the edge for adjusting sliding rail, which are provided with, presents
The undulatory rack gear (4) of lower bumps；
The sliding part (5) of T-type is provided in the adjusting sliding rail, the horizontal position of sliding part is on adjusting sliding rail, sliding part
Vertical portion be passed down through adjusting sliding rail, the lower surface of the horizontal part of sliding part contacts with rack gear and is arranged to and rack gear phase
The positioning region for the protrusion matched, the vertical portion of sliding part is connect with the exhaust gear；
Grade in the air pressure grade regulating mechanism indicates disk, is arranged to the disk of the circular ring shape of middle part hollow out, and disk is corresponding
The position for adjusting sliding rail is provided with grade number mark, which is located at the inside of adjusting knob and the upper end with adjusting knob
It flushes, connects supporting element between disk and seat surface below, meanwhile, the top edge of adjusting knob is provided with an indicator
(6), then adjusting knob is rotated, indicator can be identified with the grade number in disk and is aligned；
The exhaust gear is located at the lower section of the sliding part, and the exhaust valve of exhaust gear is supported by sliding part.
2. limiting valve of pressure cooker according to claim 1, which is characterized in that the lower end of the vertical portion of the sliding part connects
One is hollow to guide sleeve (7), the lower ending opening of guide sleeve.
3. limiting valve of pressure cooker according to claim 2, which is characterized in that the exhaust gear includes setting in the second peace
The exhaust pipe (8) at hole is filled, the top of exhaust pipe is provided with first row stomata, meanwhile, second is provided on the base side
Gas vent, first row stomata and second row stomata are connected to by exhaust passage (9), there is an exhaust valve above the exhaust pipe
(10), the lower part of exhaust valve can extend into the top of exhaust pipe and close first row stomata, and the upper end of exhaust valve connects one section
Spring (11), the guide sleeve is protruded on the top of spring, and the upper end of spring connects the upper surface of the guide sleeve.
4. limiting valve of pressure cooker according to claim 3, which is characterized in that the lower end of the exhaust pipe connects exhaust end cover
(12), there is a venthole (13) up and down at the center of exhaust end cover.
5. limiting valve of pressure cooker according to claim 1 or 2 or 3 or 4, which is characterized in that the relocation mechanism includes setting
Floating guiding column (14) at the first mounting hole is set, the inside of floating guiding column is cylindrical hole up and down, the floating
Floating lever (15) are set in guide post, the upper end of floating lever connects floating cover.
6. limiting valve of pressure cooker according to claim 5, which is characterized in that the floating cover includes superposed level
Nut cap (16), the vertical connection column (17) positioned at lower part, the nut cap is arranged to circular slab, and nut cap is located at the grade
Indicate that nut cap is fixed in the hollowed out area of disk, the upper end for being coupled column, the lower end for being coupled column is connected to the upper end of floating lever.
7. limiting valve of pressure cooker according to claim 6, which is characterized in that top to the lower end for being coupled column is arranged to
It is hollow, and the interior sidewall surface for being coupled the close lower end of column is provided with the connection slot of a circle indent, is coupled top to the lower end of column
If the slot of uniform intervals setting arterial highway hollow out, the lower ending opening of slot on side wall；Meanwhile the upper end of the floating lever is arranged to and institute
It states the lower end for being coupled column and is coupled the connection clamp (18) that slot matches, i.e., connection clamp, which can be embedded in, is coupled in slot.
8. limiting valve of pressure cooker according to claim 7, which is characterized in that it is described be coupled column lower part diameter with it is described
The diameter of cylindrical hole in floating guiding column is equal, and the lower part for being coupled column can extend into the cylindrical hole in floating guiding column
In.
9. limiting valve of pressure cooker according to claim 8, which is characterized in that the diameter on the top of the floating lever to lower part
Greater than the diameter for being coupled clamp, the diameter of the cylindrical hole of the floating guiding column is greater than the diameter of floating lever, under floating lever
Portion is contacted around one circle guide ring (19) of connection, the outer edge of guide ring with the inner wall of the cylindrical hole of floating guiding column.
10. limiting valve of pressure cooker according to claim 5, which is characterized in that the lower end connection of the floating guiding column is close
Sealing (20), the sealing element are soft elastic component, and the lower end of the floating lever and sealing element contradict.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821848913.9U CN209186369U (en) | 2018-11-09 | 2018-11-09 | Limiting valve of pressure cooker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821848913.9U CN209186369U (en) | 2018-11-09 | 2018-11-09 | Limiting valve of pressure cooker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209186369U true CN209186369U (en) | 2019-08-02 |
Family
ID=67411143
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821848913.9U Active CN209186369U (en) | 2018-11-09 | 2018-11-09 | Limiting valve of pressure cooker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209186369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109463978A (en) * | 2017-09-07 | 2019-03-15 | 福库电子株式会社 | Electric cooking appliance |
-
2018
- 2018-11-09 CN CN201821848913.9U patent/CN209186369U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109463978A (en) * | 2017-09-07 | 2019-03-15 | 福库电子株式会社 | Electric cooking appliance |
| US10863850B2 (en) | 2017-09-07 | 2020-12-15 | Cuckoo Electronics Co., Ltd. | Electric cooker |
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