CN201468975U - Seal ring detection device of pressure cooker - Google Patents

Seal ring detection device of pressure cooker Download PDF

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Publication number
CN201468975U
CN201468975U CN2009201936047U CN200920193604U CN201468975U CN 201468975 U CN201468975 U CN 201468975U CN 2009201936047 U CN2009201936047 U CN 2009201936047U CN 200920193604 U CN200920193604 U CN 200920193604U CN 201468975 U CN201468975 U CN 201468975U
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CN
China
Prior art keywords
cover
pot
sealing ring
projection
slide block
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2009201936047U
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Chinese (zh)
Inventor
简伟文
黄冠明
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Elecpro Electric Appliance Holding Co Ltd
Original Assignee
Guangdong Elecpro Electric Appliance Holding Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangdong Elecpro Electric Appliance Holding Co Ltd filed Critical Guangdong Elecpro Electric Appliance Holding Co Ltd
Priority to CN2009201936047U priority Critical patent/CN201468975U/en
Application granted granted Critical
Publication of CN201468975U publication Critical patent/CN201468975U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a seal ring detection device of a pressure cooker, which comprises a raised block, an openable cover slide block, a guide rod and a return spring; wherein the seal ring is arranged on the cover, the guide rod clamped in the slide hole of the openable cover slide block is ejected by the seal ring, and the top end of the guide rod rises to the position above the slide hole; when the cover is screwed, a raised post arranged on the openable cover slide block can slide along the outer edge of the raised block, at this time, the raised block provides radial push power departed from the direction of the external cooker for the raised post, the raised post drives the openable cover slide block to horizontally move to the direction departed from the external cooker, and a rigid inner cover can be screwed and buckled to be covered on the cooker body; if the cover is not provided with the seal ring, under the action of gravity of the guide rod, the top end of the guide rod can be clamped in a strip-shaped slide hole to limit the horizontal movement of the openable cover slide block so as to prevent the cover from being screwed and buckled tightly with the cooker body. The utility model has simple structure, convenient operation and high safety, and is suitable for the pressure cooker provided with the removable seal ring.

Description

The sealing ring checkout gear of pressure cooker
Technical field
Whether correctly the utility model relates to pressure cooker, particularly can detect the sealing ring sealing ring checkout gear of the pressure cooker of installation.
Background technology
Existing pressure cooker comprises electric pressure cooking saucepan and thermal pressure pot etc., generally all comprises pot body and pot cover, and the pot cover inboard is provided with detachable sealing ring, to make things convenient for the user to clean or to regularly replace.When user's neglected loading sealing ring, can cause pressure cooker to leak high-temperature steam in the course of the work easily, not only cause the Stewed Dish time long, operating efficiency reduces, and high temperature also can take place when serious leak the vapour phenomenon of hurting sb.'s feelings.
At this problem, someone has proposed to be provided with the sealing ring checkout gear of cooker lid locking device on pressure cooker, as number of patent application 200620067904.7, name is called the Chinese utility model patent of " cooker lid locking device of electric pressure cooking saucepan ", a kind of cooker lid locking device of pressure cooker is disclosed, comprise inner pot cover, locking ring and outer pot cover, outer pot covers and is provided with rotary handle, the connecting rod that links to each other with handle, connecting rod one end links to each other with leg on the locking ring, locking ring is provided with stop pin, and the stop pin bottom is inserted on locking ring and the inner pot cover successively.When neglected loading sealing ring or interior pot, the boss that is provided with at the stop pin middle part drops on the limited step of locking ring, when turning handle, connecting rod can not drive the excircle rotation of locking ring along inner pot cover so, thus the situation that can point out the neglected loading sealing ring or not put interior pot.But this patented technology adopts a plurality of parts such as locking ring, stop pin, complex structure not only, and operating procedure is many, the cost height, and also this patented technology only is applicable to the sealing ring checkout gear situation of the electric pressure cooking saucepan that is provided with locking ring, the scope of application is narrow.
Summary of the invention
At the deficiencies in the prior art, the utility model specially proposes a kind of simple in structure, the sealing ring checkout gear of easy to operate, the safe and pressure cooker that the scope of application is wider, and its technical scheme is as follows:
The sealing ring checkout gear of pressure cooker, described pressure cooker comprises pot body and pot cover, described pot cover comprises rigid inner cover and is arranged on the detachable sealing ring of described rigid inner cover inboard; It is characterized in that: also comprise the sealing ring checkout gear; Described sealing ring checkout gear comprises: the A. projection; Described projection is arranged on the top of described pot body and radially protrudes; B. slide block is covered in folding; Described folding lid slide block is L-shaped and be positioned at the outside of described rigid inner cover, and its forearm is provided with the strip slide opening, and postbrachium is provided with to projecting inward projection; The size in the rearward end aperture of wherein said strip slide opening is greater than the size in remainder aperture; The top of described projection is passed described rigid inner cover and can be extended to the outer rim of described projection; C. also comprise guide rod, described guide rod is "T"-shaped, and its tail end passes described strip slide opening slidably successively and described rigid inner cover reaches the residing position of described sealing ring; The Outside Dimensions of wherein said guide rod top ends is less than the size in the rearward end aperture of described strip slide opening but greater than the size in remainder aperture; D. back-moving spring; Described back-moving spring one end connects described folding lid slide block, and the other end is connected to the appropriate location of described pot cover.
In the technical program, pressure cooker comprises pot body and pot cover, the pot body is meant the remainder of the pressure cookers except pot cover such as comprising shell, outer pot, interior pot, and it is by being arranged on that tooth on the rigid inner cover is buckled and the tooth of buckleing of outer pot screws mutually and is connected on the outer pot that the fastening of pot cover and pot body screws.Therefore when adopting the technical program to carry out the sealing ring detection, described sealing ring checkout gear rotates with rigid inner cover, increases the function that sealing ring detects thereby reach on the basis of original structure that does not influence pot cover and performance.Also just owing to this structural advantages, the technical program is applicable to the situation that outside rigid inner cover enclosing cover is set or the pressure cooker of enclosing cover is not set.
Described pot cover comprises rigid inner cover and is arranged on the detachable sealing ring of described rigid inner cover inboard, is meant that in the pressure cooker use sealing ring can be set on the circle frame of rigid inner cover inboard, can pull down after using and clean or change.
Described sealing ring checkout gear comprises projection, folding lid slide block, guide rod and back-moving spring, be meant when pot cover is correctly installed sealing ring, be stuck in the strip slide opening of folding lid slide block forearm and be the "T"-shaped sealed circle of guide rod jack-up, the top ends that the guide rod Outside Dimensions is bigger rises to the top position of strip slide opening, i.e. folding lid slide block can move forward and backward in the length range of strip slide opening with respect to guide rod this moment.Screw in the process at pot cover, be arranged on the projection also radially outer rim of the projection of the protrusion slip on the folding lid slide block postbrachium along the top that is arranged on pot body, promptly slide on the apical margin that projection radially protrudes from the lateral margin of projection, projection will give projection a radial thrust that deviates from the outer pot direction this moment, projection is under the effect of this radial load, driving folding lid slide block moves horizontally towards deviating from the outer pot direction, be that folding lid slide block moves horizontally with respect to guide rod and rigid inner cover, rigid inner cover can screw fastening with the pot body.And, when folding lid slide block deviates from the outer pot direction and does horizontal movement, back-moving spring is subjected to external force and produces distortion, folding lid slide block is produced the thrust towards the outer pot direction, can not only prevent folding lid slide block like this because of stressed excessive generation horizontal jitter, and folding lid slide block is automatically reset.
When pot cover neglected loading sealing ring, guide rod is under the self gravitation effect, the rigid inner cover of passing the guide rod tail end drops on the residing position of sealing ring, the top ends that the guide rod Outside Dimensions is bigger still has the position, rearward end aperture that partly highly is stuck in the strip slide opening, i.e. relative position between folding lid slide block and the guide rod is fixed.When screwing pot cover, projection must slip over pot outer rim of the projection at body top and be subjected to from thrust that deviates from the outer pot direction of projection, but because guide rod is through in the rigid inner cover, limited the horizontal displacement of folding lid slide block, so projection can't drive folding lid slide block and move towards deviating from the outer pot direction, promptly under the effect of guide rod, projection can't slip over projection, so just can not realize the fastening that screws of pot cover and pot body.
In this scheme, projection is arranged on the top of pot body and radially protrudes, be meant that projection and projection are suitable, its effect is, screw in the process at pot cover, projection can apply a radial thrust that deviates from the outer pot direction to the projection that is in contact with it, thus its at the particular location at pot body top by the corresponding adjustment of being provided with of projection, the top outer that promptly can be arranged on outer pot also can be arranged on the shell and the trim ring between the outer pot of pressure cooker.
In this scheme, folding lid slide block postbrachium is provided with to projecting inward projection, be meant that folding lid slide block and projection are connected by screw thread or are fabricated to one between the two, and extend towards the outer rim direction of projection on the top of projection, can guarantee projection like this when being subjected to the radial thrust of projection, the direction of its horizontal displacement and the radial direction of outer pot are consistent.
In this scheme, the effect of back-moving spring is that folding lid slide block is played protection and reset function.The mode that this function realizes can have following several: A, back-moving spring one end are connected folding lid slide block, and the other end can be connected to the rigid inner cover of pot cover; B, for the pressure cooker that is provided with enclosing cover, the back-moving spring other end can be connected on the rigid inner cover, also can be connected to outer covering; C, as a kind of equivalent, for the situation that is connected between folding lid slide block and the rigid inner cover, it can be the forearm that back-moving spring one end is fixed on folding lid slide block, the other end is connected the top of rigid inner cover, also can be that an end is fixed on the postbrachium of folding lid slide block or on the projection, the other end then is connected the lower end of rigid inner cover.
Further technical scheme is, described rigid inner cover is fixed with the leader casing that is hollow form, and the tail end of guide rod passes leader casing can reach the residing position of sealing ring; Wherein the internal diameter size of leader casing is less than the size of the top ends of guide rod but greater than the size of guide rod tail end.Leader casing is set on rigid inner cover, can prevent that guide rod from producing axial dipole field in motion process, and when pot cover neglected loading sealing ring, guide rod is under the self gravitation effect, the upper surface at the top of large-size is in the aperture, rear end of strip slide opening, and lower surface is crimped on the leader casing.
Equivalents as this scheme, can counterbore be set in the bottom, rearward end aperture of strip slide opening, the port size of described counterbore is less than the Outside Dimensions of guide rod top ends but greater than the size of guide rod tail end, like this when pot cover neglected loading sealing ring, the rigid inner cover of passing the guide rod tail end drops on the residing position of sealing ring, and the bigger top ends of guide rod Outside Dimensions still has the part height to be stuck in the position, rearward end aperture of strip slide opening.
Another equivalents as this scheme, also can increase the length of guide rod, make when the neglected loading sealing ring, the tail end of guide rod passes rigid inner cover and withstands on the crimping on interior pot top, and the bigger top ends of guide rod Outside Dimensions still has the position, rearward end aperture that partly highly is stuck in the strip slide block.
Further technical scheme is, the position, top of described projection is made by the heatproof plastics, is meant that the position, top of projection can also can be to adopt the heatproof plastic wraps directly by the manufacturing of heatproof plastics both.
Further technical scheme is, at described rigid inner cover top gathering sill is set, and the forearm of described folding lid slide block can be positioned in the described gathering sill horizontally slidingly.
As being equal to replacement scheme, the forearm that a sheet metal is pushed down folding lid slide block also can being set at the rigid inner cover top, or, also sheet metal can being arranged on the inside top of enclosing cover and pushing down the forearm that slide block is covered in folding for the pot cover that is provided with outer cover structure.
Further technical scheme is, described pot cover also comprises the enclosing cover that is arranged on the described rigid inner cover outside, and described outer covering is provided with locating hole; The postbrachium of described folding lid slide block is provided with the lead of outside protrusion, and described lead inserts in the described locating hole slidably.This is meant that folding lid slide block and lead are connected by screw thread or are fabricated to one between the two, and lead court deviates from the direction extension of projection outer rim and is slidably inserted in the locating hole of enclosing cover, like this no matter lead and projection whether on same axis, can guarantee that the direction that folding lid slide block moves horizontally and the radial direction of outer pot are consistent, cover outside simultaneously locating hole is set, also further increased the stability that folding lid slide block moves horizontally.
Further technical scheme is, back-moving spring is enclosed within on the lead, and the two ends of back-moving spring are positioned at folding lid slide block and cover outward.
Further technical scheme can also be, at the guiding rib that is provided with on the described pot cover more than two or two, be meant that the guiding rib plays stable, guide effect to spring, back-moving spring is limited in the fixing space, prevent that spring from producing excessive radial deflection and ejection and falling when stress deformation, guarantee that spring applies the thrust towards the outer pot direction to folding lid slide block when stress deformation; Therefore, the guiding rib both can be arranged on the rigid inner cover outer surface or on the inner surface, also can be arranged on the outer interior surface, the position specifically is set by back-moving spring the corresponding adjustment in position is set.In addition, the guiding rib can be distributed in it outside turn of described back-moving spring, also can be distributed in the turn.
Further technical scheme is that the two ends of described back-moving spring are connected on described projection and the described rigid inner cover.
Further technical scheme is, described pot body comprises outer pot, and described projection can be arranged on the top of described outer pot and radially protrude.
Further technical scheme can also be, described outer pot is provided with outside protrusion and spaced button tooth, and described projection can be a button tooth of outer pot.
Compared with prior art, the beneficial effects of the utility model are:
1, because the sealing ring checkout gear is set on pressure cooker, can in screwing the pot cover process, just can detect the installment state of sealing ring, make the sealing ring checkout gear simply, cost is lower, and is and easy to operate.
2, owing to be provided with the projection that radially protrudes at the top of pot body, and on folding lid slide block postbrachium, be provided with to projecting inward projection, can not only be when projection slips over the projection outer rim and promptly slides on the apical margin that projection radially protrudes from the lateral margin of projection, projection gives projection a radial thrust that deviates from the outer pot direction, folding lid slide block can be moved horizontally, and projection also can substitute by one of outer pot button tooth, makes the sealing ring checkout gear simple.In addition, can slip over the outer rim of projection, close the installation situation that lid can detect sealing ring before, improve the usage safety performance of pressure cooker thereby be implemented in pot cover by projection.
3, because folding lid slide block is provided with the strip slide opening and is stuck in guide rod on the strip slide opening, and whether sealed circle jack-up is to enough height by guide rod, thereby the relative motion of control folding lid slide block and guide rod makes the sealing ring detection more accurate.
4, owing on the folding lid slide block back-moving spring is set, can prevents that not only folding lid slide block from rocking because of stressed excessive generation in the horizontal slip process, and folding lid slide block is automatically reset.
5, rigid inner cover is provided with leader casing and can limits guide rod activity in leader casing, has strengthened the stability of the horizontal movement of the relative guide rod of folding lid slide block.
6, because the top of projection is made by the heatproof plastics or by the heatproof plastic wraps, contact more firm when making projection slip over the projection outer rim between the two, can also alleviate the degree of wear to projection, simultaneously, the projection Xiang Duan that uses the heatproof plastics to make or wrap up, can the proof pressure pot inner in use hot environment, prolonged service life of projection.
7, at the rigid inner cover top gathering sill is set, folding lid slide block is played the guide-localization effect in the horizontal slip process, improved stability.
8, outside pot cover, cover locating hole is set, folding lid slide block postbrachium is provided with the lead of outside protrusion, lead can be slidably inserted in the outer locating hole that covers, and can not only cover slide block to folding and move in the horizontal direction and lead, and strengthen the stability of folding lid slide block.
9, the guiding rib is set on pot cover, has strengthened stable, guide effect, prevent that back-moving spring from producing over-deflection when stress deformation and ejection is fallen spring.
Owing to the utlity model has above-mentioned advantage, the utility model can be applied in be provided with detachable sealing ring and pressure cooker product that have certain working inner pressure in.
Description of drawings
Fig. 1 is the sectional structure schematic diagram of the pot cover of normal mounting sealing ring when uncapping state among the utility model embodiment one;
Fig. 2 is an A part enlarged diagram among Fig. 1;
Fig. 3 is the schematic diagram that the B-B direction is analysed and observe among Fig. 2;
Fig. 4 be among the embodiment one the pot cover of normal mounting sealing ring at the partial enlarged drawing that closes when covering state;
Fig. 5 is the schematic diagram that the C-C direction is analysed and observe among Fig. 4;
Fig. 6 is that back-moving spring is arranged on partial enlarged drawing between folding lid slide block and the rigid inner cover top among the embodiment one;
Fig. 7 is the structural representation of folding lid slide block among the embodiment one;
Fig. 8 is the partial enlarged drawing of pot cover neglected loading sealing ring among the embodiment one;
Fig. 9 is a D part enlarged diagram among Fig. 8;
Figure 10 and Figure 11 are respectively the schematic diagrames of two kinds of equivalents of leader casing;
Figure 12 be among the embodiment two the pot cover of normal mounting sealing ring at the partial enlarged drawing that closes when covering state;
Figure 13 is the schematic diagram that the E-E direction is analysed and observe among Figure 12;
Figure 14 is the partial enlarged drawing of pot cover neglected loading sealing ring among the embodiment two.
The specific embodiment
Below in conjunction with accompanying drawing, further specify the specific embodiment of the present utility model.
Embodiment one: to shown in Figure 7, pressure cooker comprises pot body and pot cover as Fig. 1, the pot body comprises shell 1, holds the outer pot 2 that is installed in the shell 1, between shell 1 and the outer pot 2 trim ring 11 is set, pot 3 in being provided with in the outer pot 2, the top outer of described outer pot 2 are provided with button tooth 21; Pot cover comprises sealing ring 4 and rigid inner cover 5.When screwing pot cover, pot cover is buckled 51 by the tooth of rigid inner cover 5 and is screwed mutually and be connected on the outer pot 2 with the tooth 21 of buckleing of outer pot 2, in sealing ring 4 is pressed on the pot edge 31 of pot 3, thereby between interior pot 3 and rigid inner cover 5 relative sealed space of formation; On pot cover, also be provided with the sealing ring checkout gear, the sealing ring checkout gear comprises top outer that is arranged on outer pot 2 and the projection 22 that radially protrudes, the folding of inverted "L" shaped lid slide block 8, be "T"-shaped guide rod 9 and be arranged on back-moving spring 10 between folding lid slide block 8 and the rigid inner cover 5, the forearm 8A of folding lid slide block 8 is provided with strip slide opening 81, is provided with to projecting inward projection 82 on the postbrachium 8B.
When pot cover installs sealing ring 4, extremely shown in Figure 5 as Fig. 1, screw in the process at pot cover, be arranged on the outer rim that projection 82 on the postbrachium 8B of folding lid slide block 8 will slip over the projection 22 that is arranged on outer pot 2 top outer and radially protrudes, promptly the lateral margin 221 from projection 22 slides on the apical margin 222 that radially protrudes, projection 22 will give projection 82 towards the L direction thrust of (promptly deviating from the outer pot direction) this moment, projection 82 is under the effect of this thrust, driving folding lid slide block 8 moves horizontally towards the L direction, be that folding lid slide block 8 moves horizontally with respect to guide rod 9 and rigid inner cover 5, pot cover can screw fastening with the pot body.And, do level when moving at folding lid slide block 8 towards the L direction, back-moving spring 10 is subjected to external force and produces distortion, folding lid slide block 8 is produced the thrust towards R direction (promptly towards the outer pot direction), can not only prevent folding lid slide block 8 like this because of stressed excessive generation horizontal jitter, and folding lid slide block 8 is automatically reset.
When pot cover neglected loading sealing ring 4, as shown in Figure 8, guide rod 9 is under the self gravitation effect, the rigid inner cover 5 of passing guide rod tail end 92 drops on the sealing ring 4 residing positions, but because the bigger top ends 91 of guide rod Outside Dimensions still has the position, rearward end 81A aperture that partly highly is stuck in strip slide opening 81, i.e. relative position between guide rod 9 and the folding lid slide block 8 is fixed.When screwing pot cover, because guide rod 9 is through 5 li of rigid inner cover, limited the relative horizontal displacement of folding lid slide block 8, so projection 82 can't drive folding lid slide block 8 and move horizontally towards the L direction, promptly under the effect of guide rod 9, projection 82 can't slip over projection 22 outer rims, so just can not realize the fastening that screws of pot cover and pot body.
Further technical scheme is, as Fig. 8 and shown in Figure 9, is fixed with the leader casing 7 that is hollow in rigid inner cover, and the tail end 92 of guide rod 9 passes rigid inner cover 5 and leader casing 7 and can reach sealing ring 4 residing positions; Wherein the internal diameter size of leader casing 7 is less than the size of the top ends 91 of guide rod 9 but greater than the size of the tail end 92 of guide rod 9.Leader casing 7 is set on rigid inner cover 5, can prevent that guide rod 9 from producing axial dipole field in motion process, and when pot cover neglected loading sealing ring 4, guide rod 9 is under the self gravitation effect, the lower surface of the top ends 91 of large-size can be crimped on the leader casing 7, and upper surface is in aperture, the rear end 81A of strip slide opening 81, thereby limited the relative horizontal displacement of folding lid slide block 8, projection 82 can't drive folding lid slide block 8 and move towards the L direction, so just can not realize the fastening that screws of pot cover and pot body.
Equivalents as this scheme, as shown in figure 10, can counterbore 811 be set in the bottom, rearward end 81A aperture of strip slide opening 81, the size of described counterbore 811 is less than the Outside Dimensions of the top ends 91 of guide rod 9 size greater than the tail end 92 of guide rod 9, like this when pot cover neglected loading sealing ring 4, the rigid inner cover 5 of passing the tail end 92 of guide rod 9 drops on sealing ring 4 residing positions, and the bigger top ends 91 of guide rod Outside Dimensions still is stuck in the 81A position, aperture, rear end of strip slide opening 81.
Equivalents as this scheme, as shown in figure 11, also can increase the length of guide rod 9, make when neglected loading sealing ring 4, the tail end 92 of guide rod 9 passes rigid inner cover 5 and withstands on the crimping 31 on interior pot 3 tops, and the bigger top ends 91 of guide rod Outside Dimensions still is stuck in the 81A position, aperture, rear end of folding lid slide block 8.
Further technical scheme is, as Fig. 3 and shown in Figure 5, two or plural guiding rib 12 is set on rigid inner cover 5 outer surfaces, and guiding rib 12 can be distributed in outside the turn of back-moving spring 10.
As being equal to replacement scheme, guiding rib 12 also can be distributed in the turn of back-moving spring 10.
As being equal to replacement scheme, when back-moving spring 10 was arranged between rigid inner cover 5 and the projection 82, the rib 12 that then leads was established and can be put on the inner surface of rigid inner cover 5, and can be distributed in the outer or turn of the turn of back-moving spring 10.
Further technical scheme is; as shown in Figure 6; back-moving spring 10 is arranged between folding lid slide block 8 and rigid inner cover 5 tops; in screwing the pot cover process; when projection 82 is driving folding lid slide block 8 when the L direction moves horizontally under the thrust of projection 22; back-moving spring 10 is stretched, and it produces the pulling force towards the R direction to folding lid slide block 8, thereby can cover the effect that slide block 8 plays protection and resets to folding.
Embodiment two: on the basis of embodiment one, as Figure 12 and shown in Figure 13, pot cover also comprises the enclosing cover 6 that is arranged on rigid inner cover 5 outsides and is connected with rigid inner cover 5, the postbrachium 8B of folding lid slide block 8 is provided with the lead 83 that protrudes towards L direction (promptly deviating from the outer pot direction), lead 83 inserts in the locating hole 61 of enclosing cover 6 slidably, and the two ends of back-moving spring 10 are positioned at respectively on folding lid slide block 8 and the enclosing cover 6.
Further technical scheme is, as shown in figure 13, at enclosing cover 6 inner surfaces guiding rib 12 more than two or two is set, and guiding rib 12 is positioned at outside the turn of back-moving spring 10.
Equally, as being equal to replacement scheme, guiding rib 12 also can be positioned in the turn of back-moving spring 10.
Further technical scheme is, back-moving spring 10 also can be arranged between folding lid slide block 8 and the rigid inner cover 5.
Figure 14 is the partial enlarged drawing of pot cover neglected loading sealing ring.Show as Figure 14, when pot cover neglected loading sealing ring 4, guide rod 9 is under the self gravitation effect, and guide rod 9 tail ends 92 pass rigid inner cover 5 and drop on sealing ring 4 positions, and the item end 91 that guide rod 9 Outside Dimensions are bigger is stuck in the 81A position, rearward end aperture of strip slide opening 81.When screwing pot cover, projection 82 will slide into from the lateral margin 221 of projection 22 on the apical margin 222 that projection 22 radially protrudes, and be subjected to a radial thrust towards the L direction, because guide rod 9 restriction folding lid slide blocks 8 carry out relative horizontal displacement, so projection 82 can't drive folding lid slide block 8 and move horizontally, promptly under the effect of guide rod 9, projection 82 can't slip over projection 22, so just can not realize the fastening that screws of pot cover and pot body.
Similarly, in embodiment two, the equivalents of the leader casing 7 of the equivalents of leader casing 7 and embodiment one is identical.

Claims (10)

1. the sealing ring checkout gear of pressure cooker, described pressure cooker comprises pot body and pot cover, described pot cover comprises rigid inner cover and is arranged on the detachable sealing ring of described rigid inner cover inboard; It is characterized in that: also comprise the sealing ring checkout gear; Described sealing ring checkout gear comprises:
A. projection; Described projection is arranged on the top of described pot body and radially protrudes;
B. slide block is covered in folding; Described folding lid slide block is L-shaped and be positioned at the outside of described rigid inner cover, and its forearm is provided with the strip slide opening, and postbrachium is provided with to projecting inward projection; The size in the rearward end aperture of wherein said strip slide opening is greater than the size in remainder aperture; The top of described projection is passed described rigid inner cover and can be extended to the outer rim of described projection;
C. also comprise guide rod, described guide rod is "T"-shaped, and its tail end passes described strip slide opening slidably successively and described rigid inner cover reaches the residing position of described sealing ring; The Outside Dimensions of wherein said guide rod top ends is less than the size in the rearward end aperture of described strip slide opening but greater than the size in remainder aperture;
D. back-moving spring; Described back-moving spring one end connects described folding lid slide block, and the other end is connected to the appropriate location of described pot cover.
2. the sealing ring checkout gear of pressure cooker according to claim 1 is characterized in that: be fixed with the leader casing that is hollow form on the described rigid inner cover; The tail end of described guide rod passes described leader casing can reach the residing position of described sealing ring; The internal diameter size of wherein said leader casing is less than the size of the top ends of described guide rod but greater than the size of the tail end of described guide rod.
3. the sealing ring checkout gear of pressure cooker according to claim 1, it is characterized in that: the position, top of described projection is made by the heatproof plastics.
4. the sealing ring checkout gear of pressure cooker according to claim 1, it is characterized in that: the top in described rigid inner cover is provided with gathering sill, and the forearm of described folding lid slide block can be positioned in the described gathering sill horizontally slidingly.
5. the sealing ring checkout gear of pressure cooker according to claim 1 is characterized in that: described pot cover also comprises the enclosing cover that is arranged on the described rigid inner cover outside, and described outer covering is provided with locating hole; The postbrachium of described folding lid slide block is provided with the lead of outside protrusion, and described lead inserts in the described locating hole slidably.
6. the sealing ring checkout gear of pressure cooker according to claim 5, it is characterized in that: described back-moving spring is enclosed within on the lead, and the two ends of described back-moving spring are positioned at described folding lid slide block and described outer covering.
7. the sealing ring checkout gear of pressure cooker according to claim 1 is characterized in that: at the guiding rib that is provided with on the described pot cover more than two or two.
8. the sealing ring checkout gear of pressure cooker according to claim 1, it is characterized in that: the two ends of described back-moving spring are connected on described projection and the described rigid inner cover.
9. according to the sealing ring checkout gear of claim 1,2,3,4,5,6,7 or 8 described pressure cookers, it is characterized in that: described pot body comprises outer pot, and described projection can be arranged on the top outer of described outer pot and radially protrude.
10. the sealing ring checkout gear of pressure cooker according to claim 9 is characterized in that: described outer pot is provided with outside protrusion and spaced button tooth, and described projection can be a button tooth of outer pot.
CN2009201936047U 2009-08-28 2009-08-28 Seal ring detection device of pressure cooker Expired - Fee Related CN201468975U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2009201936047U CN201468975U (en) 2009-08-28 2009-08-28 Seal ring detection device of pressure cooker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2009201936047U CN201468975U (en) 2009-08-28 2009-08-28 Seal ring detection device of pressure cooker

Publications (1)

Publication Number Publication Date
CN201468975U true CN201468975U (en) 2010-05-19

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2009201936047U Expired - Fee Related CN201468975U (en) 2009-08-28 2009-08-28 Seal ring detection device of pressure cooker

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CN (1) CN201468975U (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103908150A (en) * 2014-04-09 2014-07-09 伍尚强 Electric pressure cooking appliance
CN103908151A (en) * 2014-04-09 2014-07-09 伍尚强 Pressure cooking utensil capable of preventing sealing ring from being omitted
CN107997565A (en) * 2017-12-26 2018-05-08 重庆凡匠科技有限公司 A kind of integrated food heating device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103908150A (en) * 2014-04-09 2014-07-09 伍尚强 Electric pressure cooking appliance
CN103908151A (en) * 2014-04-09 2014-07-09 伍尚强 Pressure cooking utensil capable of preventing sealing ring from being omitted
CN103908150B (en) * 2014-04-09 2016-08-24 伍尚强 A kind of electric pressure cooking appliance
CN107997565A (en) * 2017-12-26 2018-05-08 重庆凡匠科技有限公司 A kind of integrated food heating device

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