CN111110025A

CN111110025A - Pressure cooker with locking function

Info

Publication number: CN111110025A
Application number: CN202010093541.9A
Authority: CN
Inventors: 不公告发明人
Original assignee: Dongguan Tushi Daily Necessities Co Ltd
Current assignee: Dongguan Tushi Daily Necessities Co Ltd
Priority date: 2020-02-14
Filing date: 2020-02-14
Publication date: 2020-05-08

Abstract

The invention discloses a pressure cooker with a locking function, which comprises a cooker body with an opening at the upper side, wherein a cover body is arranged at the upper end of the cooker body, a linkage cavity is arranged in the cover body, a cover body cavity which is symmetrical left and right relative to the linkage cavity is arranged in the cover body, and a safety locking component is arranged in the cover body cavity. The pressure cooker ensures that safety accidents caused by accidental opening of the pressure cooker can not occur when steam pressure in the cooker body reaches a critical value.

Description

Pressure cooker with locking function

Technical Field

The invention relates to the technical field of safe kitchenware, in particular to a pressure cooker with a locking function.

Background

The pressure cooker is also called pressure cooker and pressure cooker, and is a cooker in kitchen. The pressure cooker can raise the physical phenomenon that the boiling point of liquid under higher air pressure exerts pressure on water, so that the water can reach higher temperature without boiling, thereby accelerating the efficiency of stewing food. However, the conventional pressure cooker generally has no safe automatic locking function, and when the steam pressure in the cooker body reaches a critical magnitude, the safety of a cooking worker or a child cannot be guaranteed.

Disclosure of Invention

The object of the present invention is to provide a pressure cooker with locking function, which overcomes the above-mentioned drawbacks of the prior art.

The pressure cooker with the locking function comprises a cooker body with an opening at the upper side, a cover body is arranged at the upper end of the cooker body, a linkage cavity is arranged in the cover body, a cover body cavity which is bilaterally symmetrical relative to the linkage cavity is arranged in the cover body, a safety locking assembly is arranged in the cover body cavity, the safety locking assembly comprises a first sliding block which is connected to the inner wall of the lower side of the cover body cavity in a sliding mode and can slide to the outside, fixed blocks which are bilaterally symmetrical and fixedly arranged at the left end and the right end of the cooker body and are close to the upper side, a working shell is arranged at the upper end of the cover body, a working cavity is arranged in the working shell, a pressure judging assembly is arranged in the working cavity, the pressure judging assembly comprises a fixed support which is fixedly arranged on the inner wall of the right side of the working cavity and extends rightwards, a, The left and right ends of the rotating block are symmetrically and fixedly arranged on a fixed slide way, a second slide block is connected to the lower end of the fixed slide way in a sliding mode, a first spring is connected between the second slide block and the rotating block, and a transmission assembly is arranged between the assemblies.

Preferably, an air outlet cap is fixedly arranged at the upper end of the working shell, an air outlet hole connected to the working cavity and the outside is formed in the air outlet cap, an air inlet hole communicated with the interior of the pot body is formed in the inner wall of the lower side of the linkage cavity, an air outlet hole communicated with the working cavity is formed in the inner wall of the upper side of the linkage cavity, the air outlet hole is located right above the air inlet hole, a hollow barrel which is opposite to the air inlet hole in a bilateral symmetry mode and extends downwards to the inner wall of the lower side of the linkage cavity is fixedly arranged on the inner wall of the upper side of the linkage cavity, a through hole is formed in the hollow barrel, and the transmission belt passes through the right.

Wherein, the safety locking component also comprises a second spring connected between the first slide block and one end of the cover body cavity far away from the symmetrical center, the inner wall of the rear side of the cover body cavity is rotationally connected with a second transmission shaft extending forwards, the second transmission shaft is fixedly provided with a first gear which can be meshed and connected with the toothed part at the upper end of the first slide block, the second transmission shaft is fixedly provided with a first bevel gear positioned at the front side of the first gear, the inner wall of the upper side of the cover body cavity is rotationally connected with a third transmission shaft extending downwards, the third transmission shaft is fixedly provided with a second bevel gear meshed and connected with the first bevel gear, the third transmission shaft at the right side is fixedly provided with a main belt wheel positioned at the upper side of the second bevel gear at the right side, the inner wall of the upper side of the linkage cavity is rotationally connected with a fourth transmission shaft extending upwards into the working cavity, and the fourth transmission shaft positioned in the linkage cavity, linkage band pulley with be connected with the connecting belt between the primary pulley, linkage chamber upside inner wall rotates and is connected with and is located the left fifth transmission shaft of fourth transmission shaft, the secondary pulley has set firmly on the fifth transmission shaft, the secondary pulley with be connected with driving belt between the linkage band pulley, set firmly on the fifth transmission shaft and be located the second gear of secondary pulley upside, the left side set firmly on the third gear with the third gear that the second gear meshing is connected.

The pressure judging assembly further comprises a third sliding block which is connected to the inner wall of the lower side of the working cavity in a sliding mode, the third sliding block can cover the air outlet, a horizontal support extending rightwards is fixedly arranged on the inner wall of the left side of the working cavity, the horizontal support is located between the fixed support and the third sliding block, a third spring is connected between the horizontal support and the third sliding block, the inner wall of the left side of the working cavity is rotatably connected with a sixth transmission shaft between the fixed support and the horizontal support, a steam impeller is fixedly arranged on the sixth transmission shaft, a third bevel gear which is located on the left side of the steam impeller is fixedly arranged on the sixth transmission shaft, and a fourth bevel gear which is connected with the third bevel gear in a meshing mode is fixedly arranged on the first transmission shaft on the lower side of the fixed support.

The transmission assembly comprises a fourth sliding block which is connected to the inner wall of the upper side of the working cavity in a sliding mode, a fourth spring is connected between the fourth sliding block and the inner wall of the right side of the working cavity, an isolating plate which extends upwards is fixedly arranged on the inner wall of the lower side of the working cavity, a fixed conducting block which is located on the right side of the isolating plate is fixedly arranged at the lower end of the fourth sliding block, a motor is fixedly arranged on the inner wall of the rear side of the working cavity, the lower end of the motor is in power connection with the fourth transmission shaft, a negative wire is connected between a negative electrode contact of the motor and a lower end contact of the fixed conducting block, an internal power supply is fixedly arranged on the inner wall of the rear side of the working cavity, a positive electrode of the internal power supply is electrically contacted with a positive electrode of.

The invention has the beneficial effects that: according to the invention, the second sliding block is adopted, steam in the pot body sequentially enters the working cavity through the air inlet hole and the air outlet hole, when the pressure of the steam is greater than the gravity of the third sliding block, the steam enables the third sliding block to move upwards and enter the working cavity, and the steam impeller rotates, when the steam pressure is continuously increased, the rotation of the steam impeller is increased, and finally one end of the second sliding block, which is far away from the symmetrical center, slides and drives the second sliding block to slide rightwards, so that the power of the motor is finally transmitted to the first sliding block, the lower ends of the first sliding block and the fixed block are abutted to realize a locking function, and the safety accident caused by accidental opening of the pressure cooker when the steam pressure in the pot body reaches a critical size is ensured to be.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic view showing the overall structure of a pressure cooker with a locking function according to the present invention;

FIG. 2 is a schematic enlarged view of the structure of "A" of FIG. 1;

FIG. 3 is a schematic enlarged view of the structure of "B" of FIG. 1;

FIG. 4 is a schematic enlarged view of the structure of "C" of FIG. 1;

fig. 5 is a schematic view of the structure in the direction "D-D" of fig. 3.

Detailed Description

The invention will now be described in detail with reference to fig. 1-5, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.

Referring to fig. 1 to 5, a pressure cooker with a locking function according to an embodiment of the present invention includes a cooker body 58 having an upper opening, a cover 51 is disposed at an upper end of the cooker body 58, a linkage cavity 59 is disposed in the cover 51, a cover cavity 52 that is bilaterally symmetric with respect to the linkage cavity 59 is disposed in the cover 51, a safety locking assembly 901 is disposed in the cover cavity 52, the safety locking assembly 901 includes a first slider 46 slidably connected to an inner wall of a lower side of the cover cavity 52 and slidable to the outside, and a fixing block 45 that is bilaterally symmetric and fixedly disposed at left and right ends of the cooker body 58 and is close to an upper side, when the first slider 46 slides toward a symmetric center and abuts against a lower end of the fixing block 45, the cover 51 cannot be opened, a working housing 11 is disposed at an upper end of the cover 51, a working cavity 12 is disposed in the working housing, be equipped with pressure in working chamber 12 and judge subassembly 902, pressure judge subassembly 902 including set firmly in working chamber 12 right side inner wall and right side extension's fixed bolster 41, rotation connect in fixed bolster 41 and the first transmission shaft 40 that extends from top to bottom, set firmly in the terminal commentaries on classics piece 60 of first transmission shaft 40 upper end, bilateral symmetry set firmly in the fixed slide 13, the sliding connection of commentaries on classics piece 60 left and right ends in the second slider 42 of fixed slide 13 lower extreme, connect in second slider 42 with change first spring 15 between the piece 60, along with the rotational speed of first transmission shaft 40 accelerates, symmetry center slip can be kept away from down because of the effect of centrifugal force to second slider 42, is equipped with between each subassembly and realizes driven transmission assembly 903.

Beneficially, work casing 11 upper end sets firmly has the cap of giving vent to anger 14, be equipped with in the cap of giving vent to anger 14 connect in working chamber 12 and external exhaust hole 16, linkage chamber 59 downside inner wall be equipped with the internal communicating inlet port 30 of pot 58, linkage chamber 59 upside inner wall be equipped with the communicating venthole 32 of working chamber 12, just venthole 32 is located directly over inlet port 30, linkage chamber 59 upside inner wall sets firmly relatively inlet port 30 bilateral symmetry and downwardly extending to the hollow bucket 34 of linkage chamber 59 downside inner wall, hollow bucket 34 has ensured vapor in the pot 58 can not get into in the linkage chamber 59, be equipped with through-hole 33 in the hollow bucket 34, just drive belt 35 passes through the right side through-hole 33 extends to the left side of through-hole 33.

According to the embodiment, the safety locking assembly 901 will be described in detail below, the safety locking assembly 901 further includes a second spring 47 connected between the first slider 46 and one end of the cover cavity 52 far from the symmetry center, a second transmission shaft 56 extending forward is rotatably connected to an inner wall of a rear side of the cover cavity 52, a first gear 49 capable of meshing with a toothed portion of an upper end of the first slider 46 is fixedly arranged on the second transmission shaft 56, a first bevel gear 48 positioned in front of the first gear 49 is fixedly arranged on the second transmission shaft 56, a third transmission shaft 53 extending downward is rotatably connected to an inner wall of an upper side of the cover cavity 52, a second bevel gear 50 meshing with the first bevel gear 48 is fixedly arranged on the third transmission shaft 53, a main pulley 43 positioned on an upper side of the right second bevel gear 50 is fixedly arranged on the third transmission shaft 53, linkage chamber 59 upside inner wall rotates to be connected with and upwards extends to fourth transmission shaft 24 in the working chamber 12 is located in the linkage chamber 59 the last linkage band pulley 26 that has set firmly of fourth transmission shaft 24, linkage band pulley 26 with be connected with between the leading pulley 43 and connect the belt 25, linkage chamber 59 upside inner wall rotates to be connected with and is located the left fifth transmission shaft 44 of fourth transmission shaft 24, the last band pulley 55 that has set firmly of fifth transmission shaft 44, band pulley 55 with be connected with driving belt 35 between the linkage band pulley 26, set firmly on the fifth transmission shaft 44 and be located the second gear 54 of band pulley 55 upside, the left side set firmly on the third gear 57 with the third gear 57 that the meshing of second gear 54 is connected.

In accordance with an embodiment, the pressure judging assembly 902 is described in detail below, the pressure judging assembly 902 further includes a third slider 36 slidably coupled to the inner wall of the lower side of the working chamber 12, and the third sliding block 36 can cover the air outlet 32, a horizontal bracket 38 extending rightwards is fixedly arranged on the inner wall of the left side of the working cavity 12, and the horizontal bracket 38 is located between the fixed bracket 41 and the third slider 36, a third spring 37 is connected between the horizontal bracket 38 and the third sliding block 36, a sixth transmission shaft 39 positioned between the fixed bracket 41 and the horizontal bracket 38 is rotatably connected to the inner wall of the left side of the working cavity 12, the sixth transmission shaft 39 is fixedly provided with a steam impeller 28, the sixth transmission shaft 39 is fixedly provided with a third bevel gear 31 positioned on the left side of the steam impeller 28, and the first transmission shaft 40 positioned on the lower side of the fixed bracket 41 is fixedly provided with a fourth bevel gear 29 meshed and connected with the third bevel gear 31.

According to the embodiment, the transmission assembly 903 is described in detail below, the transmission assembly 903 includes a fourth slider 18 slidably connected to the inner wall of the upper side of the working chamber 12, a fourth spring 61 is connected between the fourth slider 18 and the inner wall of the right side of the working chamber 12, an upwardly extending partition plate 27 is fixedly arranged on the inner wall of the lower side of the working chamber 12, the partition plate 27 and the fourth slider 18 can prevent water vapor in the working chamber 12 from entering the working chamber 12 on the right side of the partition plate 27, a fixed conductive block 19 is fixedly arranged at the lower end of the fourth slider 18 on the right side of the partition plate 27, a motor 23 is fixedly arranged on the inner wall of the rear side of the working chamber 12, the lower end of the motor 23 is in power connection with the fourth transmission shaft 24, a negative lead 20 is connected between the negative contact of the motor 23 and the lower contact of the fixed conductive block 19, a built-in power supply 21 is fixedly arranged on the inner wall of the, an anode lead 22 is connected between the anode contact of the built-in power supply 21 and the anode contact of the motor 23, the cathode contact of the built-in power supply 21 is abutted to the right end contact of the fixed conductive block 19, water vapor in the pot body 58 sequentially passes through the air inlet hole 30 and the air outlet hole 32 to enter the working cavity 12, when the water vapor pressure is greater than the gravity of the third sliding block 36, the water vapor enables the third sliding block 36 to move upwards and enter the working cavity 12, the steam impeller 28 rotates, when the steam pressure continues to increase, the rotation of the steam impeller 28 increases, and finally one end of the second sliding block 42, which is far away from the symmetry center, slides.

In the initial state, the fourth slider 18 is in the left limit state, the negative contact of the built-in power supply 21 is not abutted with the right contact of the fixed conductive block 19, so that the motor 23 is not electrified, the second slider 42 is in the position close to the symmetry center, the steam impeller 28 is not rotated, the third slider 36 is in the lower limit position, and the first slider 46 is in the position far away from the symmetry center so as not to be abutted with the lower end of the fixed block 45.

When the high-pressure cooker needs to work, along with the rise of the temperature in the cooker body 58, the steam in the cooker body 58 sequentially enters the working cavity 12 through the air inlet hole 30 and the air outlet hole 32, when the pressure of the steam is greater than the gravity of the third slide block 36, the steam enables the third slide block 36 to move upwards and enter the working cavity 12, the third spring 37 accumulates elastic potential energy and enables the steam impeller 28 to rotate, the rotating steam impeller 28 sequentially drives the first transmission shaft 40 to rotate through the sixth transmission shaft 39, the third bevel gear 31 and the air inlet hole 30, the rotating first transmission shaft 40 drives the rotating block 60 and the fixed slideway 13 to rotate, so that the second slide block 42 moves away from the symmetrical center due to the centrifugal force, the first spring 15 accumulates elastic potential energy, when the steam pressure is continuously increased, the rotation of the steam impeller 28 is increased, and the second slide block 42 slides away from one end of the symmetrical center, when the steam pressure reaches a critical state, at the moment, the second slider 42 pushes the fourth slider 18 to move rightwards, the fourth spring 61 accumulates elastic potential energy, the rightwards-moved fourth slider 18 drives the fixed conductive block 19 to move rightwards until a contact point at the right end of the fixed conductive block 19 is abutted to a contact point at the negative electrode of the built-in power supply 21, at the moment, the built-in power supply 21 and the motor 23 are electrified to work, so that the fourth transmission shaft 24 rotates, the rotating fourth transmission shaft 24 drives the linkage belt wheel 26 to rotate, the rotating linkage belt wheel 26 drives the left third transmission shaft 53 to rotate through the transmission belt 35, the auxiliary belt wheel 55, the fifth transmission shaft 44, the second gear 54 and the third gear 57, the rotating left third transmission shaft 53 drives the left first slider 46 to move rightwards through the left second bevel gear 50, the left first bevel gear 48, the left second transmission shaft 56 and the left first gear 49 in sequence, and the left second, therefore, the steam impeller 28 is in butt joint with the lower end of the left fixed block 45, in the moving process of the left first sliding block 46, the rotating linkage belt wheel 26 sequentially passes through the connecting belt 25, the main belt wheel 43 and the right third transmission shaft 53 to drive the right third transmission shaft 53 to rotate, the rotating right third transmission shaft 53 sequentially passes through the right second bevel gear 50, the right first bevel gear 48, the right second transmission shaft 56 and the right first gear 49 to drive the right first sliding block 46 to move rightwards, the right second spring 47 accumulates elastic potential energy to be in butt joint with the lower end of the right fixed block 45, and finally, the locking function is realized, after the cooking of food in the pot body 58 is finished, the steam pressure in the pot body 58 is reduced, so that the rotating speed of the steam impeller 28 is reduced, when the rotating speed of the steam impeller 28 is reduced to be below the critical temperature, the first spring 15 releases the elastic potential energy, the fourth sliding block 18 is driven to slide leftwards and reset, at the moment, the fourth sliding block 18 sliding leftwards drives the contact at the right end of the fixed conductive block 19 and the negative contact of the built-in power supply 21 not to be abutted, so that the motor 23 is powered off, at the moment, the second spring 47 releases elastic potential energy to drive the first sliding block 46 to move away from the symmetric center and reset, at the moment, the first sliding block 46 is not abutted to the lower end of the fixed block 45, so that the cover body 51 is not in a locking state any more and can be opened, along with the continuous reduction of the temperature in the pot body 58, the third spring 37 releases elastic potential energy to drive the third sliding block 36 to move downwards and reset, so that the.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a pressure cooker with locking function, includes the upside open-ended pot body, pot body upper end is equipped with the lid, be equipped with the linkage chamber in the lid, be equipped with in the lid relatively the lid cavity of linkage chamber bilateral symmetry, its characterized in that:

a safety locking assembly is arranged in the cavity of the cover body, the safety locking assembly comprises a first sliding block which is connected to the inner wall of the lower side of the cavity of the cover body in a sliding manner and can slide to the outside, and fixed blocks which are symmetrically fixed at the left end and the right end of the pot body in a bilateral manner and are close to the upper side, a working shell is arranged at the upper end of the cover body, and a working cavity is arranged in the working shell;

the working chamber is internally provided with a pressure judgment assembly, the pressure judgment assembly comprises a fixed support, a rotating support and a fixed slide, wherein the fixed support and the rotating support extend rightwards on the inner wall of the right side of the working chamber, the rotating support is connected with the fixed support and a first transmission shaft extending up and down, the fixed support and the first transmission shaft extend up and down, the rotating block at the upper end of the first transmission shaft is arranged at the tail end of the first transmission shaft, and the rotating block is symmetrically arranged at the left end and the right end of the rotating block.

2. The pressure cooker with locking function as claimed in claim 1, wherein: work casing upper end has set firmly the air outlet cap, be equipped with in the air outlet cap connect in working chamber and external exhaust hole, linkage chamber downside inner wall be equipped with the communicating inlet port in the pot body, linkage chamber upside inner wall be equipped with the communicating venthole of working chamber, just the venthole is located directly over the inlet port, linkage chamber upside inner wall has set firmly relatively inlet port bilateral symmetry and downwardly extending to the hollow bucket of linkage chamber downside inner wall, be equipped with the through-hole in the hollow bucket, just driving belt passes through the right side the through-hole extends to the left side of through-hole.

3. The pressure cooker with locking function as claimed in claim 1, wherein: the safety locking assembly further comprises a second spring connected between the first sliding block and one end of the cover body cavity far away from the symmetry center, the inner wall of the rear side of the cover body cavity is rotatably connected with a second transmission shaft extending forwards, a first gear capable of being meshed and connected with a toothed part at the upper end of the first sliding block is fixedly arranged on the second transmission shaft, a first bevel gear positioned at the front side of the first gear is fixedly arranged on the second transmission shaft, a third transmission shaft extending downwards is rotatably connected with the inner wall of the upper side of the cover body cavity, a second bevel gear meshed and connected with the first bevel gear is fixedly arranged on the third transmission shaft at the right side, a main belt wheel positioned at the upper side of the second bevel gear at the right side is fixedly arranged on the third transmission shaft at the right side, a fourth transmission shaft extending upwards into the working cavity is rotatably connected with the inner wall of the upper side of the linkage cavity, and a linkage belt wheel is, linkage band pulley with be connected with the connecting belt between the primary pulley, linkage chamber upside inner wall rotates and is connected with and is located the left fifth transmission shaft of fourth transmission shaft, the secondary pulley has set firmly on the fifth transmission shaft, the secondary pulley with be connected with driving belt between the linkage band pulley, set firmly on the fifth transmission shaft and be located the second gear of secondary pulley upside, the left side set firmly on the third gear with the third gear that the second gear meshing is connected.

4. The pressure cooker with locking function as claimed in claim 1, wherein: the pressure judging component further comprises a third sliding block which is connected to the inner wall of the lower side of the working cavity in a sliding mode, the third sliding block can cover the air outlet, a horizontal support extending rightwards is fixedly arranged on the inner wall of the left side of the working cavity, the horizontal support is located between the fixed support and the third sliding block, a third spring is connected between the horizontal support and the third sliding block, the inner wall of the left side of the working cavity is rotatably connected with a third transmission shaft between the fixed support and the horizontal support, a steam impeller is fixedly arranged on the sixth transmission shaft, a third bevel gear which is located on the left side of the steam impeller is fixedly arranged on the sixth transmission shaft, and a fourth bevel gear which is connected with the third bevel gear in a meshing mode is fixedly arranged on the first transmission shaft of the fixed support.

5. The pressure cooker with locking function as claimed in claim 1, wherein: the transmission assembly comprises a fourth sliding block which is connected to the inner wall of the upper side of the working cavity in a sliding mode, a fourth spring is connected between the fourth sliding block and the inner wall of the right side of the working cavity, an isolating plate which extends upwards is fixedly arranged on the inner wall of the lower side of the working cavity, a fixed conducting block which is located on the right side of the isolating plate is fixedly arranged at the lower end of the fourth sliding block, a motor is fixedly arranged on the inner wall of the rear side of the working cavity, the lower end of the motor is in power connection with the fourth transmission shaft, a negative wire is connected between a negative electrode contact of the motor and a lower end contact of the fixed conducting block, an internal power supply is fixedly arranged on the inner wall of the rear side of the working cavity, a positive electrode of the internal power supply is electrically contacted with a positive.