CN212326137U - Pressure vessel assembly with changeable buckling angle and rice cooker - Google Patents

Abstract

The utility model discloses a pressure vessel assembly with a changeable fastening angle and a rice cooker, which comprises a pressure vessel body and a cover body arranged on the pressure vessel body and capable of opening and closing, wherein, a fastener of the vessel body arranged on the pressure vessel body is matched with a fastener of the cover body arranged on the cover body; the cover body buckle is of a hook-shaped folding edge structure with variable angles; the cover body is provided with a driving mechanism, the driving mechanism can drive the cover body buckle to rotate so as to change the rotating angle and change the buckling angle, and the cover body buckle and the device body buckle are buckled; when the interior of the pressure container body is pressurized, the cover body buckle and the container body buckle are mutually hooked to form an inverse buckle; after the pressure inside the pressure vessel body is relieved, the driving mechanism drives the cover body buckle to rotate for a certain angle, so that the cover body buckle and the vessel body buckle are horizontally clamped without forming an inverse buckle. The structure of this design is used in the rice cooker, can make the rice cooker existing sufficient bearing capacity, can guarantee again that the cover opening force does not exceed standard.

Description

Pressure vessel assembly with changeable buckling angle and rice cooker

Technical Field

The utility model belongs to the technical field of electrical apparatus, especially, relate to a changeable pressure vessel subassembly of lock angle and rice cooker.

Background

When the pressure in the existing rice cooker reaches 40-50KPa, the cooker cover buckle and the cooker body buckle can be disengaged, the cooker cover can be washed away, soup in the cooker can splash out, and the hidden danger of scalding people is caused. The rated pressure of the micro-pressure rice cooker of our company is 30KPa, and the design requirement safety pressure at least reaches above 60KPa (namely, when the pressure is lower than 60KPa, the cooker cover buckle and the cooker body buckle can not be released).

In order to improve the pressure-bearing capacity of the rice cooker, the cover buckle and the cooker body buckle are preferably matched by adopting an inverted buckle type. However, if a snap-back fit is used, the opening force may exceed 50N. In order to ensure good uncovering hand feeling, the uncovering force is not more than 30N according to the standard requirement.

The utility model discloses a purpose is in order to let the existing sufficient bearing capacity of product, can guarantee again that the power of uncapping does not exceed standard, carries out research and development design and improves.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a changeable pressure vessel subassembly of lock angle and rice cooker to solve the problem of background art.

In order to achieve the above object, the utility model discloses a changeable pressure vessel subassembly of lock angle and rice cooker's concrete technical scheme as follows: a pressure vessel assembly with a variable buckling angle comprises a pressure vessel body and a cover body arranged on the pressure vessel body and capable of being opened and closed, wherein a vessel body buckle arranged on the pressure vessel body and a cover body buckle arranged on the cover body are buckled in a matched mode;

the cover body buckle is of a hook-shaped folding edge structure with variable angles; the cover body is provided with a driving mechanism, the driving mechanism can drive the cover body buckle to rotate so as to change the buckling angle, and the cover body buckle and the device body buckle are buckled;

when the interior of the pressure container body is pressurized, the cover body buckle and the container body buckle are mutually hooked to form an inverse buckle;

after the pressure inside the pressure vessel body is relieved, the driving mechanism drives the cover body buckle to rotate for a certain angle, so that the cover body buckle and the vessel body buckle are horizontally clamped without forming an inverse buckle.

Further, the cover body fastener comprises a first folded edge, a second folded edge and a third folded edge; one end of the first folding edge is connected with one end of the second folding edge in a bending mode, one end of the first folding edge and the bent part of the second folding edge are connected to the cover body in a rotating mode through the torsion spring, and the other end of the second folding edge and one end of the third folding edge are connected in a bending mode to form a hook shape, so that the T-shaped device body is buckled with the T-shaped device body in a buckling mode.

Furthermore, the two sides of the first folding edge are respectively connected with second folding edges which are symmetrically arranged in an integrated forming mode, and each second folding edge is connected with a third folding edge in an integrated forming mode.

Further, the included angle between the second folded edge and the third folded edge is 30-85 degrees.

Furthermore, the driving mechanism is a telescopic control mechanism, the top wall of the first folded edge is connected with a gradual-change bulge, and the gradual-change bulge is pulled by the telescopic control mechanism to move, so that the cover body buckle generates circumferential rotating component force, and the cover body buckle is driven to rotate to change the rotating amplitude.

Furthermore, the gradual change type bulge is a triangular wedge-shaped block structure, and an inclined plane of the triangular wedge-shaped block structure is in driving connection with one end of the telescopic control mechanism.

Furthermore, the telescopic control mechanism comprises a buckle pulling button, an electromagnetic valve connected with the buckle pulling button and a pressure ball push rod connected with the electromagnetic valve; the buckle pull button is sleeved on the inclined plane of the gradual change type bulge.

Furthermore, a pressure ball is arranged on the cover body and is arranged in a pressure relief exhaust hole on the cover body, and one end of the pressure ball push rod, which is far away from the buckle pulling button, is connected to the pressure ball in an abutting mode;

the cover body buckle, the buckle pulling button, the electromagnetic valve, the pressure ball push rod and the pressure ball are sequentially connected in a linkage manner, and when the pressure is increased, the electromagnetic valve drives the pressure ball push rod to be away from the pressure ball, so that the buckle of the device body and the buckle of the cover body form an inverse buckle; after pressure relief, the electromagnetic valve drives the pressure ball push rod to be close to the pressure ball, so that the fastener of the device body and the fastener of the cover body form horizontal clamping.

A rice cooker comprises an inner cooker and the pressure container assembly with the changeable buckling angle, wherein the cooker body of the rice cooker comprises a pressure container body, the cooker cover of the rice cooker comprises a cover body, and the inner cooker is arranged in the cooker body of the rice cooker.

Furthermore, a cover opening button for pushing the fastener of the device body to stretch is arranged on the side wall of the pot body, and the fastener of the device body retracts by pressing the cover opening button, so that the fastener of the device body and the fastener of the cover body are loosened and separated.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model relates to a buckle mechanism used on a rice cooker or in other pressure vessels, wherein, the rice cooker adopts the buckle mechanism with changeable buckle angle, when the rice cooker is pressed, the pot cover buckle and the pot body buckle form an inverse buckle, thereby increasing the bearing capacity of the buckle mechanism; after the pressure of the rice cooker is relieved, the cooker cover buckle and the cooker body buckle are not buckled upside down, the cover opening force is not overproof, and a user can open the cover by lightly pressing the cover opening button. The product has enough bearing capacity and can ensure that the uncovering force does not exceed the standard.

Drawings

FIG. 1 is a schematic view of the whole structure of a rice cooker of the present invention;

FIG. 2 is a schematic view of the assembly of the body and cover buckles of the prior art rice cooker;

FIG. 3 is a schematic view of the way of the body fastener and the cover fastener when the pressure is applied to the rice cooker of the present invention;

FIG. 4 is a schematic view of the engaging manner of the body fastener and the cover fastener after the pressure inside the rice cooker is released;

FIG. 5 is an assembly view of the cover body buckle and the expansion control mechanism on the cover body of the rice cooker of the present invention;

fig. 6 is a schematic perspective view of a cover body fastener of the present invention;

fig. 7 is a schematic perspective view of the telescoping control mechanism of the present invention;

fig. 8 is a diagram of the movement pattern between the telescoping control mechanism and the cover body buckle in the present invention;

FIG. 9 is an enlarged detail view of the snap fit of the body and cover of the prior art at A in FIG. 2;

fig. 10 is an enlarged detail view of the snap fit of the middle device body and the cover body at B in fig. 3 according to the present invention;

fig. 11 is an enlarged detail view of the snap fit of the middle device body and the cover body at the position C in fig. 3 according to the present invention.

The reference numbers in the figures illustrate: the pressure vessel body 1, the vessel body buckle 2, the cover body buckle 3, the telescopic control mechanism 4, the cover body 5 and the pressure ball 6; a first folded edge 31, a second folded edge 32, a third folded edge 33, a gradual change type protrusion 34; a snap button 41, a solenoid valve 42 and a pressure ball push rod 43.

Detailed Description

In order to better understand the purpose, structure and function of the present invention, the following description is made with reference to the accompanying drawings.

As shown in fig. 2 and 9, the fastening angle of the fastening mechanism composed of the lid fastener and the body fastener in the rice cooker of the prior art is constant, but the present invention provides a pressure container assembly with a variable fastening angle, as shown in fig. 10-11, which can be used in some pressure containers such as rice cooker and pressure cooker, the fastening mechanism is variable angle, and the structure thereof comprises a pressure container body 1 and a cover body 5 which is arranged on the pressure container body 1 and can be opened and closed, wherein, the body fastener 2 arranged on the pressure container body 1 and the cover body fastener 3 arranged on the cover body 5 are matched and fastened; when the cover body 5 is closed on the pressure container body 1, the cover body buckle 3 and the container body buckle 2 are driven to be buckled.

The cover body buckle 3 is a hook-shaped folding edge structure with variable angles; the cover body 5 is provided with a driving mechanism, and the driving mechanism can drive the cover body buckle 3 to rotate to change the rotation angle, so that the buckling angle of the cover body buckle 3 and the cover body buckle 2 is changed, and the cover body buckle 3 and the cover body buckle 2 are buckled; the pressure vessel body 1 is inside can be in the use of beginning work, produces internal pressure, at the in-process that steps up, the lock between lid buckle 3 and the ware buckle 2 all is the back-off formula always, the head of lid buckle 3 is like a hook or T style of calligraphy structure, and the pot body buckle of ware buckle 2 and ordinary rice cooker is the T style of calligraphy structure equally, the spacing end in T style of calligraphy upper portion is caught to the head of lid buckle 3, the realization is closed the locking to the lid of pressure vessel body 1, owing to adopt and catch on, and prior art is shown as figure 2, only adopt the spacing joint of level, the utility model discloses this kind of project organization adopts and catches on the mode, and at the in-process that steps up, the joint is spacing more stable, firm.

The designed pressure container assembly with the changeable buckling angle can be used in the prior rice cooker, pressure cooker and other similar containers generating air pressure, and the specific embodiment is described by taking the prior rice cooker as an example. Install the uncapping button that promotes ware body buckle 2 and stretch out and draw back on the pot body lateral wall of rice cooker, press uncapping button and make ware body buckle 2 retract to loosen and break away from between ware body buckle 2 and the lid buckle 3, belong to the button that opens and shuts of prior art rice cooker. As shown in fig. 1 and 5, the rice cooker comprises an inner pot and the pressure container assembly with the changeable buckling angle, the pot body of the rice cooker comprises a pressure container body, and the pot cover of the rice cooker comprises a cover body, and the inner pot is arranged in the pot body of the rice cooker. The rice cooker comprises a pressure ball 6, a pressure ball push rod 43, an electromagnetic valve 42, a buckle toggle button 41, a cooker cover buckle and a cooker body buckle, wherein the cooker cover buckle is provided with a gradual-change type bulge 34. The pot cover buckle is a cover body buckle 3, and the pot body buckle is a device body buckle 2.

The utility model discloses the innovative design mainly lies in:

firstly, the buckling angle of the pot cover buckle and the pot body buckle is variable. When pressure exists in the rice cooker, the cooker cover buckle and the cooker body buckle form an inverse buckle as shown in figure 10; when the rice cooker is depressurized, the pot cover buckle and the pot body buckle are not buckled backwards, as shown in fig. 11.

Secondly, one end of the electromagnetic valve 42 is provided with a pressure ball push rod 43, the other end of the electromagnetic valve 42 is provided with a buckle toggle button 41, and the pressure ball push rod 43, the electromagnetic valve 42 and the buckle toggle button 41 are linked as shown in fig. 5.

Thirdly, the cooker cover buckle is provided with a gradual change type bulge 34, which is beneficial for triggering the cooker cover buckle by the buckle toggle button 41.

Fourthly, when the electromagnetic valve 42 pushes the pressure ball push rod 43 to jack the pressure ball 6, the electromagnetic valve 42 can drive the buckle toggle button to trigger the pot cover buckle. Thereby adjusting the buckling angle of the pot cover buckle and the pot body buckle, and enabling the pot cover buckle and the pot body buckle to form an inverse buckle, as shown in figure 8.

As shown in fig. 7, the telescoping control mechanism 4 includes a buckle pulling button 41, an electromagnetic valve 42 connected with the buckle pulling button 41, and a pressure ball push rod 43 connected with the electromagnetic valve 42; the snap button 41 is fitted over the inclined surface of the gradual change protrusion 34. The pressure ball 6 is arranged on the cover body 5, the pressure ball 6 is arranged in the pressure relief vent hole on the cover body 5, and one end of the pressure ball push rod 43 far away from the buckle pulling button 41 is connected to the pressure ball 6 in an abutting mode; the cover body buckle 3, the buckle pulling button 41, the electromagnetic valve 42, the pressure ball push rod 43 and the pressure ball 6 are connected in a linkage mode in sequence.

As shown in fig. 6, the gradual-change protrusion 34 is a triangular wedge structure, and an inclined surface of the triangular wedge structure is in driving connection with one end of the telescopic control mechanism 4. Further, the driving mechanism is a telescopic control mechanism 4, the top wall of the first folding edge 31 is connected with a gradual-change type protrusion 34, and the gradual-change type protrusion 34 is pulled to move by the telescopic control mechanism 4, so that the cover body buckle 3 generates a circumferential rotation component force, and the cover body buckle 3 is driven to rotate to change the rotation amplitude.

As shown in fig. 10 and 11, the cover buckle 3 of the present design specifically includes a first folded edge 31, a second folded edge 32, and a third folded edge 33; one end of the first folded edge 31 is connected with one end of the second folded edge 32 in a bending way, the first folded edge 31 and the second folded edge 32 can be connected vertically, the bent part of the first folded edge 31 and the bent part of the second folded edge 32 are connected to the cover body 5 in a rotating way through a torsion spring, and the other end of the second folded edge 32 and one end of the third folded edge 33 are connected in a bending way to form a hook shape, so that the T-shaped buckle 2 of the device body is buckled with each other. Preferably, the two sides of the first folding edge 31 are integrally connected with the symmetrically arranged second folding edges 32, and each second folding edge 32 is integrally connected with the third folding edge 33. The included angle between the second folded edge 32 and the third folded edge 33 is 30-85 degrees, so that the second folded edge 32 and the third folded edge 33 are in a hook shape, and the upper end of the fastener 2 of the device body can be hooked when the device body is pressed again.

The rice cooker is divided into the following states shown in fig. 3 and 4, wherein the rotation angle ranges of the cover body buckles 3 in the two states are different, and the two states are shown in fig. 3 and 4:

as shown in fig. 3, the lid body buckle is a lid body buckle 3, the body buckle is a body buckle 2, and when the pressure container body 1 is internally pressurized, the lid body buckle 3 and the body buckle 2 are hooked with each other to form an inverted buckle; when the solenoid valve 42 drives the pressure ball push rod 43 to move away from the pressure ball 6, the snap toggle button 41 also moves away from the gradual-change protrusion 34 on the cover snap 3. At the moment, the pressure ball 6 seals the pressure relief vent hole, pressure is generated in the rice cooker, at the moment, the cooker cover buckle and the cooker body buckle are matched in an inverted buckle manner, the second folded edge 32 and the third folded edge 33 at the head part of the cover body buckle 3 form a hook shape, the cooker body buckle 2 is hooked, and the detailed structure of the inverted buckle type is shown in figure 10.

As shown in fig. 4, when the pressure container 1 is depressurized, the driving mechanism drives the lid latch 3 to change its rotation angle, so that the lid latch 3 and the container latch 2 are horizontally latched without forming a reverse latch. When cooking is to be completed, the electromagnetic valve 42 drives the pressure ball push rod 43 to move towards the pressure ball 6, the pressure ball push rod 43 pushes the pressure ball 6 open, and the rice cooker starts to exhaust and release pressure. Since the buckle pulling button 41 is a frame structure with a rectangular frame in the middle, and the rectangular frame in the middle is sleeved on the gradually-changing protrusion 34, when the electromagnetic valve 42 moves toward the pressure ball 6, as shown in fig. 8 and 11, the buckle pulling button 41 also moves toward the gradually-changing protrusion 34 of the pot cover. The buckle toggle button 41 touches the gradual change type bulge 34 of the pot cover buckle, the pot cover buckle can rotate clockwise, at the moment, the pot cover buckle and the pot body buckle are not buckled upside down, and the detail structure of the ordinary clamping mode of the non-upside-down buckle is shown in figure 11. At the moment, the cover opening can be completed by slightly pressing the cover opening button, and the cover opening force is about 20N.

The utility model is used on a rice cooker, as shown in figure 1, wherein the rice cooker adopts the buckle mechanism with changeable buckle angle, when the rice cooker is pressed, the pot cover buckle and the pot body buckle form an inverse buckle, and the bearing capacity of the buckle mechanism is increased; after the pressure of the rice cooker is relieved, the cooker cover buckle and the cooker body buckle are not buckled upside down, the cover opening force is not overproof, and a user can open the cover by lightly pressing the cover opening button.

It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes or equivalents may be substituted for elements thereof by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of the present application are intended to be covered by the present invention.

Claims (10)

1. A pressure vessel assembly with a variable buckling angle comprises a pressure vessel body (1) and a cover body (5) which is arranged on the pressure vessel body (1) and can be opened and closed, wherein a vessel body buckle (2) arranged on the pressure vessel body (1) and a cover body buckle (3) arranged on the cover body (5) are matched and buckled;

the method is characterized in that: the cover body buckle (3) is of a hook-shaped folding structure with variable angles; the cover body (5) is provided with a driving mechanism, the driving mechanism can drive the cover body buckle (3) to rotate so as to change the buckling angle, and the cover body buckle (3) and the device body buckle (2) are buckled;

when the interior of the pressure container body (1) is pressurized, the cover body buckle (3) and the container body buckle (2) are hooked with each other to form an inverse buckle;

after the pressure vessel body (1) is internally decompressed, the driving mechanism drives the cover body buckle (3) to rotate, so that the cover body buckle (3) and the vessel body buckle (2) are horizontally clamped without forming an inverted buckle.

2. A snap-together variable angle pressure vessel assembly according to claim 1, wherein the lid snap (3) comprises a first flap (31), a second flap (32), a third flap (33); one end of the first folding edge (31) is connected with one end of the second folding edge (32) in a bending mode, the bent part of the first folding edge (31) and the bent part of the second folding edge (32) are connected to the cover body (5) in a rotating mode through a torsion spring, the other end of the second folding edge (32) and one end of the third folding edge (33) are connected in a bending mode to form a hook shape, and therefore the T-shaped buckle (2) of the device body is buckled with each other.

3. A fastening angle variable pressure vessel assembly according to claim 2, wherein the first flange (31) is integrally connected to the symmetrically arranged second flanges (32) at both sides thereof, and each second flange (32) is integrally connected to the third flange (33).

4. A snap-together variable angle pressure vessel assembly according to claim 3, wherein the angle between the second and third flaps (32, 33) is 30-85 degrees.

5. A pressure vessel assembly with a variable fastening angle according to claim 2, wherein the driving mechanism is a telescopic control mechanism (4), and the top wall of the first folding edge (31) is connected with a gradual-change protrusion (34), and the gradual-change protrusion (34) is pulled by the telescopic control mechanism (4) to move, so that the cover body fastener (3) generates a circumferential rotation component force, thereby driving the cover body fastener (3) to rotate and change the rotation amplitude.

6. A snap-together variable angle pressure vessel assembly as claimed in claim 5 wherein the tapered protrusion (34) is a triangular wedge structure, the inclined surface of which is drivingly connected to one end of the telescoping control mechanism (4).

7. A pressure vessel assembly with a variable snap angle according to claim 6, characterized in that the telescoping control mechanism (4) comprises a snap button (41), a solenoid valve (42) connected to the snap button (41), a pressure ball plunger (43) connected to the solenoid valve (42); the buckle pulling button (41) is sleeved on the inclined plane of the gradual change type bulge (34).

8. The fastening angle-changeable pressure container assembly according to claim 7, wherein the cover body (5) is provided with a pressure ball (6), the pressure ball (6) is arranged in a pressure relief vent hole on the cover body (5), and one end of the pressure ball push rod (43) far away from the fastening pull button (41) is connected to the pressure ball (6) in an abutting manner;

the cover body buckle (3), the buckle pulling button (41), the electromagnetic valve (42), the pressure ball push rod (43) and the pressure ball (6) are sequentially connected in a linkage manner, and during boosting, the electromagnetic valve (42) drives the pressure ball push rod (43) to be far away from the pressure ball (6), so that the cover body buckle (3) and the cover body buckle (2) form an inverse buckle; after pressure relief, the electromagnetic valve (42) drives the pressure ball push rod (43) to be close to the pressure ball (6), so that the device body buckle (2) and the cover body buckle (3) form horizontal clamping.

9. A rice cooker, characterized in that, comprises an inner cooker and the pressure container assembly with changeable buckling angle of any one of claims 1-8, and the cooker body of the rice cooker comprises a pressure container body (1), the cooker cover of the rice cooker comprises a cover body (5), and the inner cooker is arranged in the cooker body of the rice cooker.

10. The rice cooker as claimed in claim 9, wherein a cover-opening button for pushing the body fastener (2) to extend and retract is mounted on the sidewall of the cooker body, and the body fastener (2) is retracted by pressing the cover-opening button, so that the body fastener (2) and the cover fastener (3) are released and separated.

Images