CN103300715A - Pressure cooker with clamp-type open-close cover - Google Patents
Pressure cooker with clamp-type open-close cover Download PDFInfo
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- CN103300715A CN103300715A CN2013102654640A CN201310265464A CN103300715A CN 103300715 A CN103300715 A CN 103300715A CN 2013102654640 A CN2013102654640 A CN 2013102654640A CN 201310265464 A CN201310265464 A CN 201310265464A CN 103300715 A CN103300715 A CN 103300715A
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- clamp
- gangbar
- cam
- pressure cooker
- positioning seat
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Abstract
The invention discloses a pressure cooker with a clamp-type open-close cover and aims to overcome the shortcomings that the open-close cover of a conventional pressure cooker is difficult to operate, and a clamp can not be locked or can not be locked in place. The technical scheme adopted by the invention is that the pressure cooker comprises two symmetrically arranged clamps and two linkage bars, a positioning seat is mounted on a cooker cover, two cams are provided, one end of each cam is toothed, each cam comprises a long edge on the outer side of the teeth and a short edge on the opposite side of the teeth, a rotating shaft penetrates the positioning seat, the cams and a lifting handle, the outer ends of the linkage bars are fixed with the clamps, and the inner ends of the linkage bars are propped against the cams. When the lifting handle is in the horizontal position, the inner ends of the linkage bars are propped against the long edges of the cams, and the clamps are locked. The pressure cooker has the advantages that the open-close cover is simple to operate, the positions of the clamps are correct and stable and self-reset is prevented.
Description
Technical field
The present invention relates to the pressure cooker field, specifically a kind of pressure cooker with clamp-type open and close cover structure.
Background technology
At present, the open and close cover structure of market upward pressure pot has two kinds of revolving type and clamp-types.The pressure cooker of revolving type folding lid needs aligned position when closing lid, and difficult grasp of the position during closing lid, operating difficulties, simultaneously security is also relatively relatively poor.The pressure cooker of clamp-type folding lid is the problem of the easy self-resetting of ubiquity clamp then, causes the user in use because not knowing that solution can't operate; And, when clamp locking pot body and pot cover, need to press down in addition just and can accurately put in place, be not prone to because pressing down and cause locking or to lock situation not in place, there is certain potential safety hazard.
Summary of the invention
Technical problem to be solved by this invention is to overcome the defective that above-mentioned prior art exists, and provide a kind of folding lid simple to operate, and clamp position is correct, stable, the pressure cooker of clamp-type folding lid that can self-resetting.
For this reason, the technical solution used in the present invention is as follows: the pressure cooker of clamp-type folding lid, comprise a pot body, pot cover and clamp folding assembly, be provided with sealing ring between pot body and the pot cover, clamp folding assembly comprises two symmetrically arranged clamp and two gangbar for locking pot body and pot cover, its technical characterictic is, described clamp folding assembly also comprises positioning seat, cam, handle and rotating shaft, described positioning seat is installed on the pot cover, described cam has two, and be an end band tooth, the tooth of two cams is intermeshing, and cam comprises the long limit that is positioned at the tooth outside and the minor face that is positioned at the tooth opposite, and described rotating shaft passes positioning seat, cam and handle, outer end and the clamp of described gangbar are fixed, and inner and cam offsets; When handle was positioned at vertical position, the inner of gangbar and the minor face of cam offseted, and two clamps distance before is greater than the diameter of pot cover, and clamp is opened; When handle was positioned at horizontal level, the long limit of the inner of gangbar and cam offseted, clamp locking.
When handle is raised, handle driven rotary axle and then the drive with it cam of correspondence are inwardly rotated, the gangbar counter motion, further drive the clamp counter motion that links together with gangbar, clamp is opened, and when handle rotated to vertical position, the minor face of cam and the inner of gangbar offseted, clamp is opened fully, and the pot body can separate with pot cover; When handle was pressed, handle driven rotary axle and then band moving cam outwards rotated the gangbar move toward one another, further drive the clamp move toward one another, when handle rotated to horizontal level, the long limit of cam and the inner of gangbar offseted, clamp is locked fully, and is simple to operate.And, form certain angle between the long limit of cam and the minor face, so that cam return voluntarily not, clamp position is correct, stable.
As improvement, all have on described positioning seat, cam and the handle for rotating shaft pass and with the through hole of rotating shaft matched in clearance, form the first limited wall on the rotating shaft, through-hole wall on cam and the handle all forms the second limited wall that is used in conjunction with the first limited wall, and the first limited wall and the second limited wall offset.This setting, so that rotating shaft can penetrate in positioning seat, cam and the handle from the side, easy for installation; During rotation, the cooperation by the first limited wall and the second limited wall makes between rotating shaft and cam and the handle all can not relative motion, simple in structure, easy to process.
As improvement, a side of positioning seat is passed in the inner of described rotating shaft, offsets with the opposite side inwall of positioning seat, is positioned on the rotating shaft outer end sidewall of positioning seat to form a groove, cover has the snap ring of opening on the groove, and the snap ring external diameter is greater than the internal diameter of the through hole on the positioning seat.This setting so that rotating shaft carries out horizontal direction by snap ring to it is spacing, has avoided rotating shaft to skid off from positioning seat, and is simple in structure, firm, easy for installation, easy to process.
As improvement, described handle has two, and described rotating shaft has two, and two handles are connected with two cams by two rotating shafts respectively.This setting so that clamp folding assembly is more stable when using, has avoided single handle to be moved the driven gear rotary drive, drives another gear again and rotates the problem of taking off tooth that causes, and firmly evenly, the tooth of cam is difficult for being worn, long service life.
As improvement, the upper surface of described positioning seat forms the storage tank that cooperates with handle, and the middle part of positioning seat forms the cavity for cam and gangbar activity; The certain position of the recessed formation of the upper surface of described positioning seat groove, the both ends open of this locating slot, and communicate with cavity, the bottom surface of locating slot forms a location division that is used for the support cam.This setting so that can place in the storage tank of positioning seat during the handle horizontal positioned, has reduced the overall volume of pressure cooker; The position stability of cam.
As improvement, it also comprises a clamp latch assembly, this clamp latch assembly comprises at least one extension spring, the two ends of extension spring form hook portion, the inner of two gangbar all forms the ring that the hook portion with extension spring is used in conjunction with, when clamp was positioned at locked position, the distance of two gangbar was more than or equal to the distance of extension spring under nature.This setting provides the in opposite directions power of direction so that be contained in two extension springs on the gangbar for gangbar, has avoided cam arbitrarily to rotate, and plays the effect of lock cam position; The installation of extension spring is simple, quick.
As improvement, described extension spring has two, and is separately positioned on the arranged on left and right sides of the inner vertical part that forms of gangbar.This setting, so that the locking effect of extension spring is better, tension uniform.
As improvement, also be provided with left and right two positioning components on the described pot cover, form and two bar holes that positioning component is used in conjunction with respectively the dual-side matched in clearance of positioning component and bar hole on two gangbar; Described gangbar is flexibly connected by screw and nut and pot cover, and described clamp is fixedly connected with gangbar by screw and nut.This setting, so that positioning component is spacing to gangbar, gangbar can only be in the horizontal direction with the clamp move left and right, avoids rocking before and after it and play up and down, the operating position is more stable; Gangbar is movably connected on the pot cover, makes it can not break away from station when work; Gangbar is fixedly connected with by screw and nut with clamp, so that syndeton is simple, firm.
As improvement, form a cavity on the described pot cover, inner curved the placing in the above-mentioned cavity downwards of gangbar.This setting so that the whole height of pressure cooker reduces, is taken in conveniently; Cavity has also played certain position-limiting action to gangbar.
As improvement, described pot cover is provided with self locking safety valve, and has stop hole on the gangbar of self locking safety valve the same side, the external diameter coupling of the aperture of this stop hole and self locking safety valve core.This setting, so that the pressure in the pressure cooker is during greater than rated pressure, spool moves upward, and large diameter portion cooperates with stop hole, and gangbar can't outwards be moved, and clamp can't be opened, and plays the function of pressure cooker safe self-locking; When the pressure in the pressure cooker during less than rated pressure, spool falls after rise, and gangbar can outwards be moved, and clamp can normally be opened.
Beneficial effect of the present invention is mainly reflected in: pressure cooker open and close cover is simple to operate, and clamp position is correct, stable, and clamp can self-resetting.
Description of drawings
Fig. 1 is explosive view of the present invention.
Fig. 2 is profile of the present invention.
Fig. 3 is the stereogram after the pot cover assembling of the present invention.
Fig. 4 is the side view of cam of the present invention.
Fig. 5 is take away cutaway view behind the cover of the present invention.
Fig. 6 is the enlarged drawing of A section among Fig. 5.
Fig. 7 is the structural representation that clamp latch assembly of the present invention cooperates with gangbar.
Fig. 8 is the partial sectional view of clamp of the present invention when opening.
Fig. 9 is clamp folding assembly of the present invention (removing handle) and the top view of clamp latch assembly when clamp is opened.
Partial sectional view when Figure 10 is clamp locking of the present invention.
Figure 11 is clamp folding assembly of the present invention (removing handle) and the top view of clamp latch assembly when clamp is locked.
Shown in the figure: 1, pot body, 2, pot cover, 21, cavity, 3, sealing ring, 4, clamp, 5, gangbar, 51, ring, 52, bar hole, 53, stop hole, 6, positioning seat, 61, storage tank, 62, locating slot, 63, the location division, 7, cam, 71, long limit, 72, minor face, 8, handle, 9, rotating shaft, the 91, first limited wall, the 92, second limited wall, 93, groove, 94, snap ring, 10, extension spring, 101, hook portion, 11, positioning component, 12, self locking safety valve, 13, set screws, 14, cover.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments.
Pressure cooker as Fig. 1, Fig. 2, clamp-type folding shown in Figure 3 are covered is comprised of pot body 1, pot cover 2, clamp folding assembly and clamp latch assembly, is provided with sealing ring 3 between pot body 1 and the pot cover 2.Clamp folding assembly symmetrically arrangedly forms for locking pot body 1 and the clamp 4 of pot cover 2, two gangbar 5, positioning seat 6, two cams 7, two handles 8 and two rotating shafts 9 by two.Described positioning seat 6 one-shot formings, its upper surface forms the storage tank 61 that cooperates with handle 8, and positioning seat 6 is installed on the pot cover 2 by screw.In conjunction with Fig. 4, described cam 7 is an end band tooth, and the tooth of two cams is intermeshing, and cam 7 comprises the long limit 71 that is positioned at the tooth outside and the minor face 72 that is positioned at the tooth opposite, forms certain angle between long limit 71 and the minor face 72.The outer end of described gangbar 5 is flexibly connected by screw and nut and pot cover 2, nut is fixed on the upper surface of pot cover 2, screw is located in the hole on the gangbar 3, the outer end of gangbar 5 is fixedly connected with clamp 4 by two groups of screw and nuts, two groups of nuts all are welded on the upper surface of clamp 4, screw is located in the hole of gangbar 5, and gangbar 5 is clipped between screw and the nut; The inner of gangbar 5 and cam 7 offset.
The middle part of described positioning seat 6 forms the cavity for cam 7 and gangbar 5 activities.The certain position of the recessed formation of the upper surface of described positioning seat 6 groove 62, the both ends open of this locating slot 62, and communicate with cavity, the bottom surface of locating slot 62 forms " people " font location division 63 that is used for the support cam.Form a cavity 21 on the described pot cover 2, inner curved the placing in the above-mentioned cavity 21 downwards of gangbar 5, also be provided with left and right two positioning components 11 in the cavity 21, form and two bar holes 52 that positioning component 11 is used in conjunction with respectively the dual-side matched in clearance of positioning component 11 and bar hole 52 on two gangbar 5.
Such as Fig. 5, shown in Figure 6, all have on described positioning seat 6, cam 7 and the handle 8 for rotating shaft 9 pass and with the through hole of rotating shaft 9 matched in clearance, described rotating shaft 9 passes positioning seat 6, cam 7 and handle 8.In conjunction with Fig. 6, a side of positioning seat 6 is passed in the inner of described rotating shaft 9, offset with the opposite side inwall of positioning seat 6, be positioned at and form a groove 93 on the rotating shaft 9 outer end sidewalls of positioning seat 6, cover has the snap ring 94 of opening on the groove 93, snap ring 94 external diameters are greater than the internal diameter of the through hole on the positioning seat 6, rotating shaft 9 are carried out horizontal direction spacing, prevent that rotating shaft 9 from skidding off.Form the first limited wall 91 on the rotating shaft 9, through-hole wall on cam 7 and the handle 8 all forms the second limited wall 92 that is used in conjunction with the first limited wall 91, the first limited wall 91 and the second limited wall 92 offset, all can not relative motion between rotating shaft 9 and cam 7 and the handle 8.
As shown in Figure 7, the pincers latch assembly is comprised of two extension springs 10 that are separately positioned on the arranged on left and right sides of the gangbar 5 inner vertical parts that form, the two ends of extension spring 10 form hook portion 101, the inner of two gangbar 5 all forms the ring 51 that the hook portion 101 with extension spring 10 is used in conjunction with, when clamp 4 was positioned at locked position, the distance of two gangbar 5 was more than or equal to the distance of extension spring 10 under nature.
Such as Fig. 8, shown in Figure 9, when handle 8 is raised, handle 8 driven rotary axles 9 and then the drive with it cam 7 of correspondence are inwardly rotated, gangbar 5 counter motions further drive clamp 4 counter motions that link together with gangbar 5, and clamp 4 is opened, when handle 8 rotates to vertical position, the minor face 72 of cam 7 offsets with the inner of gangbar 5, and clamp 4 is opened fully, and pot body 1 can separate with pot cover 2.Meanwhile, extension spring 10 is stretched by the gangbar 5 on both sides, and elastic deformation occurs, and the generation elastic-restoring force, two gangbar 5 are drawn towards the center so that the inner minor face 72 with cam 7 of gangbar 5 against more stepping up, avoid cam 7 arbitrarily to rotate, and then avoided clamp 4 to reset.
Such as Figure 10, shown in Figure 11, when handle 8 is pressed, handle 8 driven rotary axles 9 and then band moving cam 7 outwards rotate, gangbar 5 move toward one another, further drive clamp 4 move toward one another, when handle 8 rotated to horizontal level, the long limit 71 of cam 7 offseted with the inner of gangbar 5, and clamp 4 is locked fully.
The inner of described clamp 4 also is provided with positioning component 11(and is comprised of screw and nut, nut-welding is at the upper surface of pot cover 2, gangbar 5 is clipped between the screw and nut), form the bar hole 52 that is used in conjunction with positioning component 11 on the gangbar 5, the dual-side matched in clearance of positioning component 11 and bar hole 52, make the gangbar 5 can only be in the horizontal direction with clamp 4 move left and right, avoid rocking before and after it and play up and down.
Described pot cover 2 is provided with self locking safety valve 12, and has stop hole 53 on the gangbar 5 of self locking safety valve 12 the same sides, the external diameter coupling of the aperture of this stop hole 53 and self locking safety valve 12 spools.Pressure in the pressure cooker is during greater than rated pressure, and spool moves upward, and large diameter portion cooperates with stop hole 53, and gangbar 5 can't outwards be moved, and clamp 4 can't be opened, and plays the function of pressure cooker safe self-locking; When the pressure in the pressure cooker during less than rated pressure, spool falls after rise, and gangbar 5 can outwards be moved, and clamp 4 can normally be opened.
Described positioning seat 6 tops also are provided with a cover 14.
Below only be described with regard to preferred embodiment of the present invention, but can not be interpreted as it is limitations on claims.The present invention not only is confined to above embodiment, and its concrete structure allows to change.All various variations of doing in the protection domain of independent claims of the present invention are all in protection scope of the present invention.
Claims (10)
1. the pressure cooker of clamp-type folding lid, comprise a pot body (1), pot cover (2) and clamp folding assembly, be provided with sealing ring (3) between pot body (1) and the pot cover (2), clamp folding assembly comprises two symmetrically arranged clamp (4) and two gangbar (5) for locking pot body (1) and pot cover (2), it is characterized in that: described clamp folding assembly also comprises positioning seat (6), cam (7), handle (8) and rotating shaft (9), described positioning seat (6) is installed on the pot cover (2), described cam (7) has two, and be an end band tooth, the tooth of two cams is intermeshing, cam (7) comprises the long limit (71) that is positioned at the tooth outside and the minor face (72) that is positioned at the tooth opposite, described rotating shaft (9) passes positioning seat (6), cam (7) and handle (8), the outer end of described gangbar (5) and clamp (4) are fixing, and inner and cam (7) offsets; Handle (8) is when being positioned at vertical position, and the minor face (72) of the inner of gangbar (5) and cam (7) offsets, and the distance between two clamps is greater than the diameter of pot cover (2), and clamp is opened; Handle (8) is when being positioned at horizontal level, and the long limit (71) of the inner of gangbar (5) and cam (7) offsets, clamp locking.
2. the pressure cooker of clamp-type folding according to claim 1 lid, it is characterized in that: all have on described positioning seat (6), cam (7) and the handle (8) for rotating shaft (9) pass and with the through hole of rotating shaft (9) matched in clearance, upper the first limited wall (91) that forms of rotating shaft (9), through-hole wall on cam (7) and the handle (8) all forms the second limited wall (92) that is used in conjunction with the first limited wall (91), and the first limited wall (91) offsets with the second limited wall (92).
3. the pressure cooker of clamp-type folding according to claim 2 lid, it is characterized in that: a side of positioning seat (6) is passed in the inner of described rotating shaft (9), offset with the opposite side inwall of positioning seat (6), be positioned at and form a groove (93) on rotating shaft (9) the outer end sidewall of positioning seat (6), the upper cover of groove (93) has the snap ring (94) of opening, and snap ring (94) external diameter is greater than the internal diameter of the through hole on the positioning seat (6).
4. the pressure cooker of clamp-type folding according to claim 1 lid, it is characterized in that: described handle (8) has two, and described rotating shaft (9) has two, and two handles (8) are connected with two cams (7) by two rotating shafts (9) respectively.
5. the pressure cooker of clamp-type folding according to claim 4 lid, it is characterized in that: the upper surface of described positioning seat (6) forms the storage tank (61) that cooperates with handle (8), and the middle part of positioning seat (6) forms for cam (7) and the movable cavity of gangbar (5); The certain position of the recessed formation of upper surface of described positioning seat (6) groove (62), the both ends open of this locating slot (62), and communicate with cavity, the bottom surface of locating slot (62) forms a location division (63) that is used for the support cam.
6. the pressure cooker of clamp-type folding according to claim 1 lid, it is characterized in that: it also comprises a clamp latch assembly, this clamp latch assembly comprises at least one extension spring (10), the two ends of extension spring (10) form hook portion (101), the inner of two gangbar (5) all forms the ring (51) that the hook portion (101) with extension spring (10) is used in conjunction with, clamp (4) is when being positioned at locked position, and the distance of two gangbar (5) is more than or equal to the distance of extension spring (10) under nature.
7. the pressure cooker of clamp-type folding according to claim 6 lid, it is characterized in that: described extension spring (10) has two, and is separately positioned on the arranged on left and right sides of the inner vertical part that forms of gangbar (5).
8. the pressure cooker of clamp-type folding according to claim 1 lid, it is characterized in that: also be provided with left and right two positioning components (11) on the described pot cover (2), form respectively the bar hole (52) that is used in conjunction with two positioning components (11), the dual-side matched in clearance of positioning component (11) and bar hole (52) on two gangbar (5); Described gangbar (5) is flexibly connected by screw and nut and pot cover (2), and described clamp (4) is fixedly connected with gangbar (5) by screw and nut.
9. the pressure cooker of clamp-type folding lid according to claim 1 is characterized in that: the upper cavity (21) that forms of described pot cover (2), inner curved the placing in the above-mentioned cavity (21) downwards of gangbar (5).
10. the pressure cooker of clamp-type folding according to claim 1 lid, it is characterized in that: described pot cover (2) is provided with self locking safety valve (12), with have stop hole (53) on the gangbar (5) of self locking safety valve (12) the same side, the external diameter coupling of the aperture of this stop hole (53) and self locking safety valve (12) spool.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310265464.0A CN103300715B (en) | 2013-06-27 | 2013-06-27 | Pressure cooker with clamp-type open-close cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310265464.0A CN103300715B (en) | 2013-06-27 | 2013-06-27 | Pressure cooker with clamp-type open-close cover |
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| Publication Number | Publication Date |
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| CN103300715A true CN103300715A (en) | 2013-09-18 |
| CN103300715B CN103300715B (en) | 2015-04-15 |
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| CN201310265464.0A Active CN103300715B (en) | 2013-06-27 | 2013-06-27 | Pressure cooker with clamp-type open-close cover |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP2937026A1 (en) * | 2014-04-23 | 2015-10-28 | Seb S.A. | Pressure-cooking appliance with raisable manual control member |
| CN105105624A (en) * | 2015-08-11 | 2015-12-02 | 浙江爱仕达电器股份有限公司 | Improved opening-closing structure of clamp pressure cooker |
| CN106213985A (en) * | 2016-08-30 | 2016-12-14 | 浙江尚厨炊具有限公司 | A kind of pressure cooker |
| CN108041976A (en) * | 2017-12-07 | 2018-05-18 | 浙江凯达工贸有限公司 | A kind of pressure cooker |
| CN109310225A (en) * | 2016-05-19 | 2019-02-05 | 拉歌蒂尼股份有限公司 | The opening and closing system of pressure cooker |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| EP4358806A1 (en) * | 2021-06-22 | 2024-05-01 | Zhejiang Shaoxing Supor Domestic Electrical Appliance Co., Ltd. | Lid and cooking utensil with such lid |
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| CN108041976B (en) * | 2017-12-07 | 2020-08-04 | 浙江凯达工贸有限公司 | Pressure cooker |
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