CN114732277B - Pressure release safety structure of pressure cooker - Google Patents
Pressure release safety structure of pressure cooker Download PDFInfo
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- CN114732277B CN114732277B CN202111607103.0A CN202111607103A CN114732277B CN 114732277 B CN114732277 B CN 114732277B CN 202111607103 A CN202111607103 A CN 202111607103A CN 114732277 B CN114732277 B CN 114732277B
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J27/00—Cooking-vessels
- A47J27/08—Pressure-cookers; Lids or locking devices specially adapted therefor
- A47J27/09—Safety devices
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J36/00—Parts, details or accessories of cooking-vessels
- A47J36/38—Parts, details or accessories of cooking-vessels for withdrawing or condensing cooking vapors from cooking utensils
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cookers (AREA)
Abstract
The application discloses a pressure release safety structure of a pressure cooker, and relates to the technical field of pressure cookers. According to the application, normal exhaust operation can be performed through the air outlet pressure relief mechanism, when the air pressure is too high, the four high-pressure pushing mechanisms can be moved, so that the four space adjusting mechanisms can adjust the space, the pressure is reduced due to the increase of the space, the four auxiliary exhaust mechanisms can be used for auxiliary exhaust, the pressure is effectively reduced, meanwhile, when the pressure is changed, the rack and pinion transmission mechanism is driven to transmit, the cleaning mechanism is driven to clean the filtering mechanism, the filtering mechanism is prevented from blocking, the exhaust effect is prevented from being influenced, when the cleaning mechanism is cleaned, impurities cleaned by the cleaning mechanism can be bidirectionally discharged through the two discharging mechanisms, and meanwhile, the cleaning mechanism can be fixed in position when the cleaning mechanism is not discharged through the two rotation preventing mechanisms, so that the cleaning effect is improved.
Description
Technical Field
The application relates to the technical field of pressure cooker, in particular to a pressure release safety structure of a pressure cooker.
Background
The pressure cooker is mainly used for cooking food materials, and applies pressure to water, so that the water can reach higher temperature without boiling, and the efficiency of stewing food is improved.
The existing pressure cooker mostly adopts a pressure relief valve to relieve pressure, a filter screen is generally arranged to prevent the pressure relief valve from being blocked in the using process, but in the using process, impurities are carried out during gas discharge, blocking still occurs, and the pressure is increased once the pressure is blocked, so that explosion is easy to occur.
Disclosure of Invention
The application aims to provide a pressure release safety structure of a pressure cooker, which aims to solve the problems in the background technology.
In order to achieve the above purpose, the present application provides the following technical solutions: the utility model provides a pressure cooker pressure release safety structure, includes the pot cover, the bottom central point of pot cover puts and installs the pressure release mechanism that gives vent to anger, four high-pressure pushing mechanism that evenly set up are installed to the lateral part of pressure release mechanism that gives vent to anger, four high-pressure pushing mechanism keeps away from the lateral part of pressure release mechanism that gives vent to anger all installs space adjustment mechanism and auxiliary exhaust mechanism, filtering mechanism is installed to space adjustment mechanism's bottom, clean mechanism is installed to filtering mechanism's central point, clean mechanism pass through rack and pinion drive mechanism with pressure release mechanism that gives vent to anger is connected, install two rotation prevention mechanism and two discharge mechanism on the clean structure, two discharge mechanism respectively with two rotation prevention mechanism cooperation installation.
By the above structure: can carry out normal exhaust operation through pressure release mechanism gives vent to anger, when atmospheric pressure is too big, can make four high pressure pushing mechanism remove, thereby make four space adjustment mechanism adjust the space, make pressure reduce because the increase in space, make four supplementary exhaust mechanism carry out supplementary exhaust simultaneously, effectually step down, simultaneously when pressure changes, can drive rack and pinion drive mechanism and transmit, thereby drive clean mechanism and clean filter mechanism, prevent filter mechanism from blockking up and influence the exhaust effect, when clean mechanism is clean, can be two-way with clean mechanism clear impurity discharge through two bin outlet mechanisms, simultaneously can be when not discharging through two anti-rotation mechanisms, make clean mechanism fixed position, thereby promote clean effect.
Preferably, the pressure release mechanism of giving vent to anger includes pressure relief post, installation head, four connecting rods, four slide bars and four relief springs, the bottom side central point of pot cover puts and has seted up the relief hole, pressure relief post slidable mounting in the relief hole, the one end of pressure relief post runs through the relief hole and installs the installation head, L shape relief hole has been seted up to the lateral part and the bottom of installation head, the top in L shape relief hole is located in the relief hole, four the connecting rod evenly install in on the lateral part of pressure relief post, four the sliding hole has all been seted up at the top of connecting rod, four sliding mounting respectively in four in the sliding hole, four the relief spring cup joints respectively in four on the slide bar, the both ends of relief spring install respectively in the bottom side inner wall of pot cover, with on the lateral part of connecting rod that the relief spring is close to, four the connecting rod respectively with four high-pressure pushing mechanism cooperation is installed.
Further, the cooker cover is fixed with the pressure cooker, when the pressure rises, the pressure relief column can be made to move upwards, the pressure relief column moves to drive the four connecting rods and the mounting head to move, the four connecting rods move to enable the four pressure relief springs to compress, when the pressure reaches a certain value, the top of the L-shaped pressure relief hole is communicated with the outside, and accordingly exhaust is carried out, and normal use is carried out.
Preferably, the high-pressure pushing mechanism comprises a T-shaped sliding rail, a sliding plate, a rotating column and a rectangular piston, wherein the T-shaped sliding rail is installed on the inner wall of the bottom side of the pot cover, a T-shaped sliding groove is formed in the side part of the sliding plate, the T-shaped sliding rail is slidably installed in the T-shaped sliding groove, an inclined hole and a vertical hole are formed in the side part of the sliding plate, the inclined hole is communicated with the vertical hole, a moving groove is formed in the bottom of the sliding plate, the moving groove is respectively communicated with the inclined hole and the vertical hole, a connecting rod is located in the moving groove, the rotating column is installed in the vertical hole, the connecting rod is rotatably sleeved on the rotating column, and the tops of the four inclined holes are all close to the pressure release column, and the rectangular piston is installed in cooperation with the space adjusting mechanism and the auxiliary exhaust mechanism.
Further, the four connecting rods move to drive the four rotating columns to move in the four vertical holes respectively, when the pressure of the pot cover is overlarge, the four rotating columns enter the four inclined holes respectively, so that the inner walls of the four inclined holes are extruded, the four sliding plates slide on the four T-shaped sliding rails respectively, the four sliding plates move to drive the four rectangular pistons to move respectively, the rectangular pistons can be driven to move when the pressure is overlarge, the normal use effect is ensured, and the auxiliary depressurization can be met only under high pressure.
Preferably, the space adjusting mechanism comprises a cross block arranged at the center of the inner wall of the bottom side of the pot cover, a round hole is formed in the bottom of the cross block, the pressure relief column is arranged in the round hole, piston grooves are formed in the four inner walls of the round hole, four rectangular pistons are respectively and slidably arranged in the four piston grooves, the distance between the inner wall of one side of the piston groove away from the pressure relief column and the side part of the rectangular piston away from the pressure relief column is greater than the horizontal length of the inclined hole along the direction of the connecting rod, and the bottom of the cross block is connected with the filter mechanism.
Further, the four rectangular pistons slide in the four piston grooves, respectively, so that the space of the four rectangular pistons close to the pressure relief column increases, and the pressure decreases due to the increase of the space.
Preferably, the auxiliary exhaust mechanism comprises four groups of exhaust holes arranged on the inner wall of the bottom side of the pot cover, the four groups of exhaust holes correspond to the positions of the four piston grooves respectively, and the tops of the four rectangular pistons correspond to the positions of the four groups of exhaust holes respectively.
Further, four rectangular pistons move to enable four groups of exhaust holes to leak, so that auxiliary exhaust is performed, depressurization is effectively performed, and along with continuous increase of pressure, the number of the exhaust holes leaking is gradually increased, so that the number of the exhaust holes can be automatically adjusted according to different pressures.
Preferably, the filtering mechanism comprises a filter screen and a fixed ring, the fixed ring is installed on the bottom of the cross block, the fixed ring corresponds to the position of the round hole, the filter screen is installed on the bottom of the fixed ring, a rotating hole is formed in the center of the top of the filter screen, the rotating hole corresponds to the position of the pressure relief column, and the cleaning mechanism is rotatably installed in the rotating hole.
Further, through the setting of filter screen, can effectually prevent that impurity from getting into L shape pressure release downthehole to be convenient for exhaust.
Preferably, the cleaning mechanism comprises a rotating shaft, a rotating disc, a mounting rod, a scraping rod, a torsion column, a torsion spring and a rotating ring, wherein the rotating shaft is rotatably mounted in the rotating hole, the rotating disc is connected with the mounting rod, the top of the mounting rod is provided with a torsion hole, the torsion column is rotatably mounted in the torsion hole, one end of the torsion column is connected with the side part of the scraping rod, the side part of the torsion column is connected with the inner wall of the rotating ring through the torsion spring, the side part of the rotating ring is connected with the side part of the mounting rod, the two anti-rotation mechanisms are mounted on the mounting rod, the two discharging mechanisms are mounted on the scraping rod, and the rotating shaft is connected with the rack-and-pinion transmission mechanism.
Further, the gear rotates to drive the rotating shaft and the rotating disc to rotate, and the rotating disc rotates to drive the mounting rod and the scraping rod to rotate, so that cleaning is performed, and the influence of blockage of the filter screen on exhaust pressure reduction is prevented.
Preferably, the rack and pinion transmission mechanism comprises a gear, two guide rods, an L-shaped block, a pulling rod, a rack and a linking block, wherein the gear is installed at one end of the rotating disc, which is far away from the rotating shaft, two guide holes are formed in the side parts of the L-shaped block, the two guide rods are respectively and slidably installed in the two guide holes, the two ends of the guide rods are connected with the side wall of the fixing ring, the rack is installed at the side part of the L-shaped block, the rack is meshed with the gear, the bottom of the L-shaped block is rotationally connected with the linking block through the pulling rod, and the side part of the linking block, which is far away from the pulling rod, is connected with the bottom of the pressure relief column.
Further, when pressure changes, the pressure becomes larger to enable the pressure relief column to move upwards, when the pressure becomes smaller, the pressure relief column is enabled to move downwards under the acting force of the four pressure relief springs, the pressure relief column moves up and down to drive the connecting block to move, the connecting block moves to drive the pulling rod to rotate, the pulling rod rotates to drive the L-shaped block to move, the L-shaped block moves to drive the rack to move, the rack moves to drive the gear to rotate, and therefore transmission can be carried out when the pressure changes.
Preferably, the anti-rotation mechanism comprises a T-shaped clamping block, a connecting block and a connecting spring, wherein a T-shaped anti-rotation groove is formed in the top of the mounting rod, the T-shaped clamping block is slidably mounted in the T-shaped anti-rotation groove, the connecting block is mounted on the side portion of the T-shaped clamping block, the connecting block is connected with the side portion of the mounting rod through the connecting spring, an extrusion chute is formed in the side portion of the T-shaped clamping block, the extrusion chute is mounted in cooperation with the discharging mechanism, and the extrusion chute is close to the side portion of the scraping rod and contacts with the scraping rod.
Further, when extrusion post and stripper plate separation, make the pole of scraping under the effort of torsional spring and resume the original form to spacing by two T shape fixture blocks, when the pole of scraping rotates, the pole of scraping can not remove, is convenient for clear up.
Preferably, the discharging mechanism comprises two telescopic columns, telescopic springs, an extrusion plate and an extrusion column, extrusion holes are formed in the tops of the scraping rods, the two telescopic columns and one ends of the telescopic springs are all installed on one side inner wall of the extrusion holes, the two telescopic columns and the other ends of the telescopic springs are all connected with the side portions of the extrusion plate, the extrusion plate is in contact with the inner wall of the extrusion chute, the extrusion column is installed on the side portion of the filter screen, the extrusion column corresponds to the position of the extrusion plate, and the torsion column is located between the T-shaped clamping blocks and the telescopic columns.
Further, the extrusion plate moves the inner wall of extrusion chute, and then makes T shape fixture block upwards move and scrape the lateral part of pole and separate, scrapes the pole and can rotate this moment, and extrusion post continues extrusion plate and makes and scrapes the pole and use the torsion post to rotate as the center, and the torsional spring takes place deformation to make scrape the pole and push away the filter screen with scraping impurity together outside.
In summary, the application has the technical effects and advantages that:
1. the application has reasonable structure, can perform normal exhaust operation through the air outlet pressure release mechanism, when the air pressure is overlarge, the four high-pressure pushing mechanisms can be moved, thereby the four space adjusting mechanisms can adjust the space, the pressure is reduced due to the increase of the space, the four auxiliary exhaust mechanisms can be used for assisting in exhausting, the pressure is effectively reduced, meanwhile, when the pressure is changed, the gear rack transmission mechanism is driven to carry out transmission, thereby the cleaning mechanism is driven to clean the filtering mechanism, the filtering mechanism is prevented from blocking, the exhaust effect is prevented from being influenced, when the cleaning mechanism is cleaned, impurities cleaned by the cleaning mechanism can be bidirectionally discharged through the two material discharging mechanisms, and meanwhile, the cleaning mechanism can be fixed in position when the cleaning mechanism is not discharged through the two rotation preventing mechanisms, so that the cleaning effect is improved;
2. according to the application, when the pressure of the pot cover is overlarge, the four rotating columns respectively enter the four inclined holes, so that the inner walls of the four inclined holes are extruded, the four sliding plates respectively slide on the four T-shaped sliding rails, and the four sliding plates respectively drive the four rectangular pistons to move, so that the rectangular pistons can be driven to move due to the overlarge pressure, the normal use effect is ensured, and the auxiliary depressurization under high pressure is met;
3. in the application, when the pressure is overlarge, the four rectangular pistons slide in the four piston grooves respectively, so that the space of the four rectangular pistons close to the pressure release column is increased, the pressure is reduced due to the increase of the space, and meanwhile, the number of the exhaust holes is gradually increased along with the continuous increase of the pressure, so that the number of the exhaust holes can be automatically adjusted according to different pressures;
4. according to the application, when the pressure changes, the pressure becomes large so that the pressure relief column moves upwards, and when the pressure becomes small, the pressure relief column moves downwards under the acting force of the four pressure relief springs, the pressure relief column moves up and down to drive the connecting block to move, the connecting block moves to drive the pulling rod to rotate, the pulling rod rotates to drive the L-shaped block to move, the L-shaped block moves to drive the rack to move, the rack moves to drive the gear to rotate, so that the pressure can be transmitted when the pressure changes, the gear rotates to drive the rotating shaft and the rotating disc to rotate, and the rotating disc rotates to drive the mounting rod and the scraping rod to rotate, so that automatic cleaning is performed, and the influence of filter screen blockage on exhaust depressurization is prevented;
5. according to the application, in the discharging process, the extrusion plate moves to extrude the inner wall of the extrusion chute, so that the T-shaped clamping blocks move upwards to be separated from the side parts of the scraping rods, at the moment, the scraping rods can rotate, the extrusion column continues to extrude the extrusion plate, so that the scraping rods rotate around the torsion column, the torsion springs deform, impurities scraped together by the scraping rods are pushed out of the filter screen, when the extrusion column is separated from the extrusion plate, the scraping rods are restored under the action force of the torsion springs, and therefore, the two T-shaped clamping blocks limit the scraping rods, and when the scraping rods rotate, the scraping rods do not move, so that the scraping rods are convenient to clean.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic perspective view of a pressure release safety structure of an pressure cooker in the present embodiment;
fig. 2 is a schematic view of a first perspective internal perspective of the pressure release safety structure of the pressure cooker in the present embodiment;
FIG. 3 is an enlarged schematic view of the structure of FIG. 2A;
FIG. 4 is a schematic diagram of the connection of the air-out pressure relief mechanism and four high-pressure pushing mechanisms;
FIG. 5 is a schematic view of the internal perspective of the pressure release safety structure of the pressure cooker according to the present embodiment;
FIG. 6 is a schematic view of a portion of the structure of FIG. 5;
FIG. 7 is a schematic diagram of a cleaning mechanism connected to two anti-rotation mechanisms and two discharge mechanisms;
fig. 8 is a schematic top view of the pressure release safety structure of the pressure cooker in this embodiment.
In the figure: 1. a pot cover; 2. a cross block; 3. a filter screen; 4. a pressure relief column; 5. a mounting head; 6. an L-shaped pressure relief hole; 7. a connecting rod; 8. a slide bar; 9. a pressure relief spring; 10. a T-shaped slide rail; 11. a slide plate; 12. inclined holes; 13. a vertical hole; 14. rotating the column; 15. a rectangular piston; 16. a joint block; 17. pulling the rod; 18. a guide rod; 19. an L-shaped block; 20. a rack; 21. a gear; 22. a rotating disc; 23. a mounting rod; 24. a scraping rod; 25. an extrusion column; 26. a T-shaped clamping block; 27. extruding the chute; 28. a connecting block; 29. twisting the column; 30. a torsion spring; 31. an extrusion plate; 32. a telescopic column; 33. a telescopic spring; 34. a connecting spring; 35. and an exhaust hole.
Detailed Description
The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
Examples: referring to a pressure cooker pressure release safety structure shown in figures 1-8, the pressure cooker pressure release safety structure comprises a cooker cover 1, wherein a gas outlet pressure release mechanism is arranged at the center position of the bottom of the cooker cover 1, four high-pressure pushing mechanisms which are uniformly arranged are arranged on the side parts of the gas outlet pressure release mechanism, a space adjusting mechanism and an auxiliary exhaust mechanism are arranged on the side parts of the four high-pressure pushing mechanisms, which are far away from the gas outlet pressure release mechanism, a filter mechanism is arranged at the bottom of the space adjusting mechanism, a cleaning mechanism is arranged at the center position of the filter mechanism, the cleaning mechanism is connected with the gas outlet pressure release mechanism through a rack-and-pinion transmission mechanism, two anti-rotation mechanisms and two discharge mechanisms are arranged on the cleaning mechanism, and the two discharge mechanisms are respectively matched with the two anti-rotation mechanisms.
By the above structure: can carry out normal exhaust operation through pressure release mechanism gives vent to anger, when atmospheric pressure is too big, can make four high pressure pushing mechanism remove, thereby make four space adjustment mechanism adjust the space, make pressure reduce because the increase in space, make four supplementary exhaust mechanism carry out supplementary exhaust simultaneously, effectually step down, simultaneously when pressure changes, can drive rack and pinion drive mechanism and transmit, thereby drive clean mechanism and clean filter mechanism, prevent filter mechanism from blockking up and influence the exhaust effect, when clean mechanism is clean, can be two-way with clean mechanism clear impurity discharge through two bin outlet mechanisms, simultaneously can be when not discharging through two anti-rotation mechanisms, make clean mechanism fixed position, thereby promote clean effect.
The pressure release mechanism of giving vent to anger includes pressure relief post 4, installation head 5, four connecting rods 7, four slide bars 8 and four pressure release springs 9, the pressure release hole has been seted up to the bottom side central point of pot cover 1, pressure relief post 4 slidable mounting is in the pressure release hole, pressure relief hole is run through to the one end of pressure relief post 4 and install installation head 5, L shape pressure release hole 6 has been seted up to the lateral part and the bottom of installation head 5, the top of L shape pressure release hole 6 is located the pressure release downthehole, four connecting rods 7 are evenly installed on the lateral part of pressure relief post 4, the slide hole has all been seted up at the top of four connecting rods 7, four slide bars 8 slidable mounting respectively in four slide holes, four pressure release springs 9 cup joint respectively on four slide bars 8, the both ends of pressure release springs 9 are installed respectively on the bottom side inner wall of pot cover 1, the lateral part of connecting rod 7 that is close to with pressure release springs 9, four connecting rods 7 are installed with four high-pressure pushing mechanism cooperation respectively.
The cooker cover 1 is fixed with the pressure cooker, when the pressure rises, the pressure release column 4 can be made to move upwards, the pressure release column 4 moves to drive the four connecting rods 7 and the mounting head 5 to move, the four connecting rods 7 move to enable the four pressure release springs 9 to compress, when the pressure reaches a certain value, the top of the L-shaped pressure release hole 6 is communicated with the outside, so that the exhaust is carried out, and the normal use is carried out.
The high-pressure pushing mechanism comprises a T-shaped sliding rail 10, a sliding plate 11, a rotating column 14 and a rectangular piston 15, wherein the T-shaped sliding rail 10 is arranged on the inner wall of the bottom side of the pot cover 1, a T-shaped sliding groove is formed in the side part of the sliding plate 11, the T-shaped sliding rail 10 is slidably arranged in the T-shaped sliding groove, an inclined hole 12 and a vertical hole 13 are formed in the side part of the sliding plate 11, the inclined hole 12 is communicated with the vertical hole 13, a moving groove is formed in the bottom of the sliding plate 11 and is respectively communicated with the inclined hole 12 and the vertical hole 13, a connecting rod 7 is positioned in the moving groove, the rotating column 14 is arranged in the vertical hole 13, the connecting rod 7 is rotatably sleeved on the rotating column 14, the tops of the four inclined holes 12 are close to the pressure relief column 4, and the rectangular piston 15 is matched with the space adjusting mechanism and the auxiliary exhaust mechanism.
The four connecting rods 7 move to drive the four rotating columns 14 to move in the four vertical holes 13 respectively, when the pressure of the pot cover 1 is overlarge, the four rotating columns 14 enter the four inclined holes 12 respectively at the moment, so that the inner walls of the four inclined holes 12 are extruded, the four sliding plates 11 slide on the four T-shaped sliding rails 10 respectively, the four sliding plates 11 move to drive the four rectangular pistons 15 to move respectively, the rectangular pistons 15 can be driven to move when the pressure is overlarge, and the auxiliary depressurization can be met only under high pressure while the normal use effect is ensured.
The space adjusting mechanism comprises a cross block 2 arranged at the center of the inner wall of the bottom side of the pot cover 1, a round hole is formed in the bottom of the cross block 2, a pressure relief column 4 is arranged in the round hole, piston grooves are formed in the inner walls of the four sides of the round hole, four rectangular pistons 15 are respectively and slidably arranged in the four piston grooves, the distance between the inner wall of one side of the piston groove, which is far away from the pressure relief column 4, and the side of the rectangular piston 15, which is far away from the pressure relief column 4 is greater than the horizontal length of the inclined hole 12 along the direction of the connecting rod 7, and the bottom of the cross block 2 is connected with the filter mechanism.
The four rectangular pistons 15 slide in the four piston grooves, respectively, so that the space of the four rectangular pistons 15 near the relief post 4 increases, and the pressure decreases due to the increase in space.
The auxiliary exhaust mechanism comprises four groups of exhaust holes 35 which are formed in the inner wall of the bottom side of the pot cover 1, the four groups of exhaust holes 35 respectively correspond to the positions of the four piston grooves, and the tops of the four rectangular pistons 15 respectively correspond to the positions of the four groups of exhaust holes 35.
The four rectangular pistons 15 move to enable the four groups of exhaust holes 35 to leak out, so that auxiliary exhaust is performed, depressurization is effectively performed, and the number of the exhaust holes 35 leaking out gradually increases along with the continuous increase of pressure, so that the number of the exhaust holes 35 can be automatically adjusted according to different pressures.
The filter mechanism comprises a filter screen 3 and a fixed ring, the fixed ring is arranged on the bottom of the cross block 2, the fixed ring corresponds to the position of the round hole, the filter screen 3 is arranged on the bottom of the fixed ring, a rotating hole is formed in the center of the top of the filter screen 3, the rotating hole corresponds to the position of the pressure relief column 4, and the cleaning mechanism is rotatably arranged in the rotating hole.
Through the setting of filter screen 3, can effectually prevent impurity entering L shape pressure release hole 6 in to be convenient for exhaust.
The cleaning mechanism comprises a rotating shaft, a rotating disc 22, a mounting rod 23, a scraping rod 24, a torsion column 29, a torsion spring 30 and a rotating ring, wherein the rotating shaft is rotatably mounted in the rotating hole, the rotating disc 22 is connected with the mounting rod 23, the top of the mounting rod 23 is provided with the torsion hole, the torsion column 29 is rotatably mounted in the torsion hole, one end of the torsion column 29 is connected with the side part of the scraping rod 24, the side part of the torsion column 29 is connected with the inner wall of the rotating ring through the torsion spring 30, the side part of the rotating ring is connected onto the side part of the mounting rod 23, two anti-rotation mechanisms are mounted on the mounting rod 23, two discharge mechanisms are mounted on the scraping rod 24, and the rotating shaft is connected with a gear rack transmission mechanism.
The gear 21 rotates to drive the rotating shaft and the rotating disc 22 to rotate, and the rotating disc 22 rotates to drive the mounting rod 23 and the scraping rod 24 to rotate, so that cleaning is performed, and the filter screen 3 is prevented from being blocked to influence the exhaust and depressurization.
The gear rack transmission mechanism comprises a gear 21, two guide rods 18, an L-shaped block 19, a pulling rod 17, a rack 20 and a connecting block 16, wherein the gear 21 is arranged at one end of a rotating shaft far away from a rotating disc 22, two guide holes are formed in the side part of the L-shaped block 19, the two guide rods 18 are respectively and slidably arranged in the two guide holes, two ends of the two guide rods 18 are connected with the side wall of a fixed ring, the rack 20 is arranged at the side part of the L-shaped block 19, the rack 20 is meshed with the gear 21, the bottom of the L-shaped block 19 is rotationally connected with the connecting block 16 through the pulling rod 17, and the side part of the connecting block 16 far away from the pulling rod 17 is connected with the bottom of a pressure relief column 4.
When the pressure changes, the pressure becomes larger to enable the pressure relief column 4 to move upwards, when the pressure becomes smaller, the pressure relief column 4 moves downwards under the acting force of the four pressure relief springs 9, the pressure relief column 4 moves up and down to drive the connecting block 16 to move, the connecting block 16 moves to drive the pulling rod 17 to rotate, the pulling rod 17 rotates to drive the L-shaped block 19 to move, the L-shaped block 19 moves to drive the rack 20 to move, the rack 20 moves to drive the gear 21 to rotate, and therefore transmission can be carried out when the pressure changes.
The anti-rotation mechanism comprises a T-shaped clamping block 26, a connecting block 28 and a connecting spring 34, wherein a T-shaped anti-rotation groove is formed in the top of the mounting rod 23, the T-shaped clamping block 26 is slidably installed in the T-shaped anti-rotation groove, the connecting block 28 is installed on the side portion of the T-shaped clamping block 26, the connecting block 28 is connected with the side portion of the mounting rod 23 through the connecting spring 34, an extrusion chute 27 is formed in the side portion of the T-shaped clamping block 26, the extrusion chute 27 is installed in a matched mode with the discharging mechanism, and the side portion, close to the scraping rod 24, of the extrusion chute 27 is in contact with the scraping rod 24.
When the extrusion column 25 is separated from the extrusion plate 31, the scraping rod 24 is restored under the action of the torsion spring 30, so that the scraping rod 24 is limited by the two T-shaped clamping blocks 26, and the scraping rod 24 cannot move when the scraping rod 24 rotates, so that cleaning is facilitated.
The discharging mechanism comprises two telescopic columns 32, telescopic springs 33, a squeezing plate 31 and a squeezing column 25, the top of the scraping rod 24 is provided with a squeezing hole, one ends of the two telescopic columns 32 and the telescopic springs 33 are all installed on one side inner wall of the squeezing hole, the other ends of the two telescopic columns 32 and the telescopic springs 33 are all connected with the side part of the squeezing plate 31, the squeezing plate 31 is contacted with the inner wall of the squeezing chute 27, the squeezing column 25 is installed on the side part of the filter screen 3, the squeezing column 25 corresponds to the squeezing plate 31 in position, and the torsion column 29 is located between the T-shaped clamping block 26 and the telescopic columns 32.
The extrusion plate 31 moves to extrude the inner wall of the extrusion chute 27, so that the T-shaped clamping block 26 moves upwards to be separated from the side part of the scraping rod 24, the scraping rod 24 can rotate at the moment, the extrusion column 25 continues to extrude the extrusion plate 31, so that the scraping rod 24 rotates around the torsion column 29, and the torsion spring 30 deforms, so that the scraping rod 24 pushes impurities scraped together out of the filter screen 3.
The working principle of the application is as follows: when the pressure cooker is used, the cooker cover 1 and the pressure cooker are fixed, when the pressure rises, the pressure release column 4 moves upwards, the pressure release column 4 moves to drive the four connecting rods 7 and the mounting head 5 to move, the four connecting rods 7 move to enable the four pressure release springs 9 to compress, the four connecting rods 7 move to drive the four rotating columns 14 to move in the four vertical holes 13 respectively, when the pressure reaches a certain value, the top of the L-shaped pressure release hole 6 is communicated with the outside, so that air is exhausted, when the pressure of the cooker cover 1 is overlarge, the four rotating columns 14 enter the four inclined holes 12 respectively, so that the inner walls of the four inclined holes 12 are extruded, so that the four sliding plates 11 slide on the four T-shaped sliding rails 10 respectively, the four sliding plates 11 move to drive the four rectangular pistons 15 to move, the four rectangular pistons 15 slide in the four piston grooves respectively, so that the space of the four rectangular pistons 15 close to the pressure release column 4 is increased, the pressure is reduced due to the increase of the space, and the four rectangular pistons 15 move to enable the four groups of air exhaust holes 35 to be leaked, so that pressure is effectively reduced.
Through the setting of filter screen 3, can effectually prevent that impurity from getting into L shape pressure release hole 6, and when pressure produces the change, pressure grow makes pressure release post 4 upwards remove, pressure grow, make pressure release post 4 downwardly move under the effort of four pressure release springs 9, pressure release post 4 reciprocates and drives the joint piece 16 and remove, the joint piece 16 removes and drives pulling rod 17 rotation, pulling rod 17 rotation drives L shape piece 19 and removes, L shape piece 19 removes and drives rack 20 and remove, rack 20 removes and drives gear 21 rotation, gear 21 rotates and drives pivot and rolling disc 22 rotation, rolling disc 22 rotates and drives installation pole 23 and scraping rod 24 rotation, thereby clean, prevent that filter screen 3 from blockking up and influencing the exhaust depressurization.
The scraper 24 scrapes the impurity on the filter screen 3 together, the scraper 24 rotates and drives the extrusion plate 31 to rotate, when extrusion plate 31 and extrusion post 25 contact, extrusion plate 31 is extruded by extrusion post 25, two telescopic posts 32 and telescopic spring 33 shrink, telescopic spring 33 takes place deformation, extrusion plate 31 removes the inner wall of extrusion chute 27, and then make T-shaped fixture block 26 upwards move and the lateral part of scraper 24 separate, the scraper 24 can rotate this moment, extrusion post 25 continues to extrude extrusion plate 31 and makes scraper 24 rotate with torsion post 29 as the center, torsional spring 30 takes place deformation, thereby make scraper 24 push out the impurity of scraping together outside the filter screen 3, when extrusion post 25 and extrusion plate 31 separate, make scraper 24 to resume the original form under the effort of torsional spring 30, thereby be spacing by two T-shaped fixture blocks 26, when scraper 24 rotates, scraper 24 can not remove, the clearance of being convenient for.
Finally, it should be noted that: the foregoing description of the preferred embodiments of the present application is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present application can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present application should be included in the scope of the present application.
Claims (9)
1. The utility model provides a pressure cooker pressure release safety structure, includes pot cover (1), its characterized in that:
the novel cooker cover is characterized in that an air outlet pressure relief mechanism is arranged at the center of the bottom of the cooker cover (1), four high-pressure pushing mechanisms which are uniformly arranged are arranged on the side parts of the air outlet pressure relief mechanism, a space adjusting mechanism and an auxiliary exhaust mechanism are arranged on the side parts, far away from the air outlet pressure relief mechanism, of the four high-pressure pushing mechanisms, a filtering mechanism is arranged at the bottom of the space adjusting mechanism, a cleaning mechanism is arranged at the center of the filtering mechanism, the cleaning mechanism is connected with the air outlet pressure relief mechanism through a rack-and-pinion transmission mechanism, and two anti-rotation mechanisms and two material discharging mechanisms are arranged on the cleaning mechanism and are respectively matched with the two anti-rotation mechanisms;
the utility model provides a pressure release mechanism of giving vent to anger, including pressure release post (4), installation head (5), four connecting rods (7), four slide bars (8) and four relief springs (9), the pressure release hole has been seted up at the bottom side central point of pot cover (1), pressure release post (4) slidable mounting in the pressure release hole, the one end of pressure release post (4) is run through pressure release hole and install installation head (5), L shape pressure release hole (6) have been seted up to the lateral part and the bottom of installation head (5), the top of L shape pressure release hole (6) is located in the pressure release hole, four connecting rods (7) evenly install in on the lateral part of pressure release post (4), four the sliding hole has all been seted up at the top of connecting rods (7), four slide bars (8) slidable mounting respectively in four in the sliding hole, four pressure release springs (9) cup joint respectively on four slide bars (8), install respectively in the both ends of pressure release spring (9) in the lateral part of pot cover (1) with the bottom side is close to four connecting rods (7) push the high-pressure release mechanism (7) is close to on four connecting rods (7) respectively.
2. The pressure release safety structure of a pressure cooker according to claim 1, wherein:
the high-pressure pushing mechanism comprises a T-shaped sliding rail (10), a sliding plate (11), a rotating column (14) and a rectangular piston (15), wherein the T-shaped sliding rail (10) is arranged on the inner wall of the bottom side of the pot cover (1), the T-shaped sliding groove is arranged on the side part of the sliding plate (11), the T-shaped sliding rail (10) is slidably arranged in the T-shaped sliding groove, the side part of the sliding plate (11) is provided with an inclined hole (12) and a vertical hole (13), the inclined hole (12) is communicated with the vertical hole (13), the bottom of the sliding plate (11) is provided with a moving groove, the moving groove is respectively communicated with the inclined hole (12) and the vertical hole (13), the connecting rod (7) is arranged in the moving groove, the rotating column (14) is arranged in the vertical hole (13), the connecting rod (7) is rotatably sleeved on the rotating column (14), the tops of the four inclined holes (12) are respectively close to the pressure releasing column (4), and the rectangular piston (15) is matched with the auxiliary space adjusting mechanism.
3. The pressure release safety structure of a pressure cooker according to claim 2, wherein:
the space adjusting mechanism comprises a cross block (2) arranged at the center of the inner wall of the bottom side of the pot cover (1), a round hole is formed in the bottom of the cross block (2), the pressure release column (4) is arranged in the round hole, piston grooves are formed in the four inner walls of the round hole, four rectangular pistons (15) are respectively and slidably arranged in the four piston grooves, the distance between one side inner wall of the piston grooves, which is far away from the pressure release column (4), and the distance between one side inner wall of the rectangular pistons (15), which is far away from the pressure release column (4), is greater than the horizontal length of the inclined hole (12) along the direction of the connecting rod (7), and the bottom of the cross block (2) is connected with the filter mechanism.
4. The pressure release safety structure of a pressure cooker according to claim 2, wherein:
the auxiliary exhaust mechanism comprises four groups of exhaust holes (35) formed in the inner wall of the bottom side of the pot cover (1), the four groups of exhaust holes (35) correspond to the positions of the four piston grooves respectively, and the tops of the four rectangular pistons (15) correspond to the positions of the four groups of exhaust holes (35) respectively.
5. A pressure cooker pressure relief safety structure as claimed in claim 3, wherein:
the filter mechanism comprises a filter screen (3) and a fixed ring, wherein the fixed ring is arranged on the bottom of the cross block (2), the fixed ring corresponds to the round hole in position, the filter screen (3) is arranged on the bottom of the fixed ring, a rotating hole is formed in the center of the top of the filter screen (3), the rotating hole corresponds to the pressure relief column (4), and the cleaning mechanism is rotatably arranged in the rotating hole.
6. The pressure cooker pressure relief safety structure as claimed in claim 5, wherein:
the cleaning mechanism comprises a rotating shaft, a rotating disc (22), a mounting rod (23), a scraping rod (24), a torsion column (29), a torsion spring (30) and a rotating ring, wherein the rotating shaft is rotatably mounted in the rotating hole, the rotating disc (22) is connected with the mounting rod (23), the top of the mounting rod (23) is provided with the torsion hole, the torsion column (29) is rotatably mounted in the torsion hole, one end of the torsion column (29) is connected with the side part of the scraping rod (24), the side part of the torsion column (29) is connected with the inner wall of the rotating ring through the torsion spring (30), the side part of the rotating ring is connected with the side part of the mounting rod (23), two anti-rotation mechanisms are mounted on the mounting rod (23), and two discharging mechanisms are mounted on the scraping rod (24), and the rotating shaft is connected with the gear rack transmission mechanism.
7. The pressure cooker pressure relief safety structure as claimed in claim 6, wherein:
the gear rack transmission mechanism comprises a gear (21), two guide rods (18), an L-shaped block (19), a pulling rod (17), a rack (20) and a connecting block (16), wherein the gear (21) is installed at one end of the rotating disc (22) away from the rotating shaft, two guide holes are formed in the side parts of the L-shaped block (19), the two guide rods (18) are respectively and slidably installed in the two guide holes, the two ends of the two guide rods (18) are connected with the side wall of the fixed ring, the rack (20) is installed at the side part of the L-shaped block (19), the rack (20) is meshed with the gear (21), the bottom of the L-shaped block (19) is rotationally connected with the connecting block (16) through the pulling rod (17), and the side parts of the pulling rod (17) are far away from the connecting block (16) are connected with the bottom of the pressure release column (4).
8. The pressure cooker pressure relief safety structure as claimed in claim 6, wherein:
the anti-rotation mechanism comprises a T-shaped clamping block (26), a connecting block (28) and a connecting spring (34), wherein a T-shaped anti-rotation groove is formed in the top of the mounting rod (23), the T-shaped clamping block (26) is slidably mounted in the T-shaped anti-rotation groove, the connecting block (28) is mounted on the side portion of the T-shaped clamping block (26), the connecting block (28) is connected with the side portion of the mounting rod (23) through the connecting spring (34), an extrusion chute (27) is formed in the side portion of the T-shaped clamping block (26), the extrusion chute (27) is mounted in cooperation with the discharging mechanism, and the extrusion chute (27) is close to the side portion of the scraping rod (24) and contacts with the scraping rod (24).
9. The pressure cooker pressure relief safety structure as claimed in claim 8, wherein:
the material discharging mechanism comprises two telescopic columns (32), telescopic springs (33), a squeezing plate (31) and a squeezing column (25), squeezing holes are formed in the tops of the scraping rods (24), the two telescopic columns (32) and one ends of the telescopic springs (33) are mounted on one side inner wall of the squeezing holes, the two telescopic columns (32) and the other ends of the telescopic springs (33) are connected with the side portions of the squeezing plate (31), the squeezing plate (31) is in contact with the inner wall of the squeezing chute (27), the squeezing column (25) is mounted on the side portion of the filter screen (3), the squeezing column (25) corresponds to the squeezing plate (31), and the torsion column (29) is located between the T-shaped clamping blocks (26) and the telescopic columns (32).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111607103.0A CN114732277B (en) | 2021-12-27 | 2021-12-27 | Pressure release safety structure of pressure cooker |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111607103.0A CN114732277B (en) | 2021-12-27 | 2021-12-27 | Pressure release safety structure of pressure cooker |
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| CN114732277A CN114732277A (en) | 2022-07-12 |
| CN114732277B true CN114732277B (en) | 2023-09-19 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130012764A (en) * | 2011-07-26 | 2013-02-05 | 김규철 | Rice cooker using pressure |
| CN210114336U (en) * | 2019-04-02 | 2020-02-28 | 中山市乐邦生活电器有限公司 | Pressure release valve of electric pressure cooker |
| CN110973994A (en) * | 2019-12-24 | 2020-04-10 | 珠海格力电器股份有限公司 | Cooling plate of pressure cooker and pressure cooker |
| CN210748730U (en) * | 2019-07-09 | 2020-06-16 | 浙江意可味厨具制造有限公司 | Safety pressure relief cooker |
-
2021
- 2021-12-27 CN CN202111607103.0A patent/CN114732277B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20130012764A (en) * | 2011-07-26 | 2013-02-05 | 김규철 | Rice cooker using pressure |
| CN210114336U (en) * | 2019-04-02 | 2020-02-28 | 中山市乐邦生活电器有限公司 | Pressure release valve of electric pressure cooker |
| CN210748730U (en) * | 2019-07-09 | 2020-06-16 | 浙江意可味厨具制造有限公司 | Safety pressure relief cooker |
| CN110973994A (en) * | 2019-12-24 | 2020-04-10 | 珠海格力电器股份有限公司 | Cooling plate of pressure cooker and pressure cooker |
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|---|---|
| CN114732277A (en) | 2022-07-12 |
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