CN212729533U

CN212729533U - Pressure cooker

Info

Publication number: CN212729533U
Application number: CN202020526671.2U
Authority: CN
Inventors: 沈象青
Original assignee: GUANGDONG XINKEDA STAINLESS STEEL INDUSTRIAL CO LTD
Current assignee: GUANGDONG XINKEDA STAINLESS STEEL INDUSTRIAL CO LTD
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-03-19
Anticipated expiration: 2030-04-10

Abstract

A pressure cooker comprising: a pan body (1) having a lower handle (11); the pot cover (2) is connected with the pot body (1) in a screwing mode, and an upper handle (21) is arranged on the pot cover (2); the at least two lugs (5) are arranged on the top surface of the lower handle (11) at intervals from left to right, and a limiting groove (50) is formed between the lugs (5) which are distributed at intervals from left to right; a locking member (6) which is arranged on the upper handle (21) in a manner of moving back and forth; the first elastic piece acts on the locking piece (6) so that the locking piece (6) always has the tendency of moving backwards; the self-locking block (8) is arranged on the upper handle (21) in a left-right rotating mode and is positioned on the left side or the right side of the locking piece (6); and the second elastic piece (9) is used on the self-locking piece (8) so that the self-locking piece (8) always has the tendency of rotating towards the direction of the locking piece (6). This application stable in structure can realize opening and shutting the lid fast and safely.

Description

Pressure cooker

Technical Field

The utility model belongs to the technical field of kitchen cooking utensil, concretely relates to pressure cooker.

Background

The pressure cooker mostly comprises a cooker body and a cooker cover, and certain safety problems can be caused by high pressure inside the cooker body in the process of using the pressure cooker, such as safety accidents caused by improper opening and closing of the cooker cover. Therefore, the opening and closing structure of the pressure cooker is particularly important.

The structure disclosed in the utility model patent "pressure cooker safety open and close structure" with patent number CN02216777.3 (publication number CN2537315Y) includes a stop valve, a safety valve and a self-locking mechanism mounted on the cooker cover, the stop valve is provided with a stop valve rod capable of lifting along with the pressure in the cooker, the self-locking mechanism is composed of a push plate mounted on the upper handle, a safety plate, a safety spring against the safety plate and a guide spring against the sliding foot, the lower end of the sliding foot is arranged in the guide groove of the lower handle, and the end of the guide groove is provided with a positioning table; the safety plate is provided with a safety hole and a self-locking hole, and the self-locking hole and the safety hole are respectively opposite to the opening stop valve rod and the safety valve when the pot cover is completely closed; when the cooker cover is not closed, the safety plate presses the safety valve to form a gap between the safety valve and the cooker cover. When the pot cover needs to be opened, the push plate is pushed forwards, the sliding foot falls on one side of the positioning table, the push plate can be automatically stopped without retreating, at the moment, the safety plate moves forwards to press the safety valve, so that a gap is reserved between the safety valve and the pot cover and the safety valve leaks air, no pressure exists in the pot in the cover opening process, an operator can release the push plate, and the pot cover can be opened easily by holding the handle with two hands, and the pot cover has the advantage of high safety factor. When uncapping, for making the push pedal not the fallback after advancing, this patent adopts the structure that sets up one-way stopping post at the location bench, nevertheless need overcome the resistance rearward movement push pedal of one-way stopping post when closing the lid, and repetitious usage back, one-way stopping post and sliding foot lower extreme can produce wearing and tearing, and then influence structural stability.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that to prior art's current situation, provide a stable in structure, can realize opening and shutting the pressure cooker of lid fast and safely.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: a pressure cooker comprising:

the pot body is provided with a lower handle;

the pot cover is covered on the pot body and is connected with the pot body in a screwing mode, and an upper handle matched with the lower handle is arranged on the pot cover;

it is characterized by also comprising:

the left and right lugs are arranged on the top surface of the lower handle at intervals, and a limit groove is formed between the lugs which are distributed at intervals on the left and right;

the locking part is arranged on the upper handle in a back-and-forth moving manner, a limiting block matched with the limiting groove is arranged at the bottom of the locking part, and the limiting block is separated from the limiting groove after the locking part moves forwards, so that the pot cover can be unscrewed to open the pot cover; at least part of the locking part is exposed out of the upper handle and can move back and forth relative to the upper handle;

the first elastic piece acts on the locking piece so that the locking piece always has a tendency of moving backwards;

the self-locking block is arranged on the upper handle in a left-right rotating mode and is positioned on the left side or the right side of the locking piece, the self-locking block abuts against the convex block in a cover closing state when the pot cover is screwed tightly, the self-locking block rotates under the action of the convex block to be away from the locking piece, and the locking piece can move backwards; the self-locking block is separated from the convex block and rotates towards the direction of the locking piece to abut against the locking piece when the pot cover is unscrewed to open the cover, so that the locking piece is prevented from moving backwards;

and the second elastic piece acts on the self-locking piece so that the self-locking piece always has the tendency of rotating towards the direction of the locking piece.

For make from the locking piece can cooperate better with the retaining member, the top of locking piece is passed through the round pin axle and is rotated to be connected on last handle, the bottom have with lug complex step, the retaining member with be equipped with on the relative side of locking piece and supply to rotate the back notch of card income from the locking piece.

Further, the wall surface of the notch opposite to the self-locking block is obliquely arranged. So that the locking piece can be better attached after rotating, and the locking piece is prevented from moving backwards.

The second elastic part comprises a torsion spring or/and a second spring, the torsion spring is sleeved on the pin shaft, and the second spring is abutted between the self-locking block and the upper handle.

For the habit of following most users' right hand and uncapping, the self-locking piece is located the right side of retaining member, the step on the self-locking piece bottom can the butt on the right side wall of the lug that is located the right side. Therefore, the cover can be opened by driving the locking part to move forwards to be separated from the limiting groove and then rotating the pot cover rightwards, and when the pot cover is rotated rightwards, the self-locking block is far away from the convex block, so that the self-locking block rotates towards the direction of the locking part under the action of the second elastic part of the self-locking block and abuts against the locking part to prevent the locking part from moving backwards; when closing the lid, to the left rotation pot lid, can contact the lug from the step on the locking piece bottom to rotate towards the direction of keeping away from the retaining member under the lug effect, and then make the locking piece break away from the retaining member, the retaining member can move backward under the effect of first elastic component.

In order to prevent the cover from being opened when pressure exists in the cooker and further improve the use safety, the cooker cover further comprises a float safety valve arranged on the cooker cover, and a valve cap of the float safety valve penetrates through the cooker cover and can move up and down relative to the cooker cover; the front part of the locking piece is matched with the valve cap of the float safety valve, so that the valve cap of the float safety valve can block the locking piece from moving forwards after moving upwards.

Further, the front part of the locking piece is provided with an opening, the valve cap of the float safety valve comprises a body and a flange convexly arranged on the lower part of the body, the outer diameter of the body is smaller than the caliber of the opening, the outer diameter of the flange is larger than the caliber of the opening, the flange is positioned on the front side of the opening after the valve cap of the float safety valve moves upwards, and the body is positioned on the front side of the opening after the valve cap of the float safety valve falls down. So, when there is pressure in the pot, the valve cap rebound of float relief valve, the flange blocks at the opening of retaining member preceding for the retaining member can't move forward, and then can't realize uncapping. When no pressure or pressure in the cooker is reduced to a safe range, the valve cap of the float safety valve falls down, the body is positioned in front of the opening of the locking piece, and the locking piece can move forwards, so that the cover can be opened. And the retaining member can only move backward automatically after the cover closing is completed, so that the front part of the retaining member leaves the float safety valve on the pot cover, and at the moment, the float safety valve can work normally, so that the float safety valve can work normally only when the pressure cooker is in the cover closing state, and the use safety of the pressure cooker is further improved.

In the above scheme, the first elastic member includes a first spring, and two ends of the first spring are respectively abutted between the lid and the locking member.

Preferably, still including installing the sealing washer in the pot cover, the retaining member epirelief is equipped with the guide post, first spring housing is established on this guide post, just set up the through-hole that the tip portion that supplies the guide post passed on the pot cover, this through-hole with the sealing washer is relative, and the aperture of this through-hole is less than the external diameter of first spring. The guide post can position the first spring, so that the first spring is prevented from being dislocated; meanwhile, when the cover is opened, the locking piece is moved forwards, the tail end part of the guide post can move forwards along with the locking piece and penetrates through the through hole in the pot cover, and then the tail end part of the guide post is propped against the sealing ring in the pot cover, so that the sealing ring is not sealed, and the use safety and the cover opening convenience are improved; and the aperture of the through hole is smaller than the outer diameter of the first spring, so that the first spring can be stably abutted between the pot cover and the locking piece.

Further preferably, the guide post is of a tapered structure, and a tip end of the guide post is a small end of the tapered structure. Thereby enabling the distal end portion of the guide post to be smoothly inserted into the through hole.

Compared with the prior art, the utility model has the advantages of: through the arrangement of the convex block, the locking piece and the first elastic piece, the cover opening can be realized only by moving the locking piece forwards, and the use safety of the pressure cooker is further improved; by arranging the self-locking block and the second elastic piece, the locking piece cannot move backwards under the action of the first elastic piece after the cover is opened, but can automatically move backwards after the cover is closed and be clamped between the two convex blocks, so that a user is prevented from moving the locking piece again when the cover is closed, and the use convenience is improved; and in this application through rotating the self-locking piece and connecting on the last handle of pot cover, the pot cover is connected with the pot body spiral box-like, through rotating the pot cover, can control the position of self-locking piece for the locking piece laminating or keeping away from the retaining member, and then the position of control retaining member, convenient to use.

Drawings

FIG. 1 is a schematic structural view of a pressure cooker in an embodiment of the present invention in a closed state;

FIG. 2 is a sectional view of the embodiment of the present invention, wherein the pressure cooker is in a closed state;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic structural view of the pressure cooker in the embodiment of the present invention in a closed state (the upper handle is omitted);

FIG. 5 is an enlarged view of portion B of FIG. 4;

FIG. 6 is a schematic structural view of the pressure cooker in the embodiment of the present invention at another viewing angle (the upper handle is omitted) in the closed state;

FIG. 7 is an enlarged view of portion C of FIG. 6;

fig. 8 is a schematic structural view of the pot lid in fig. 1 (upper handle is omitted);

FIG. 9 is an enlarged view of portion D of FIG. 8;

fig. 10 is a schematic structural view of the pressure cooker in the embodiment of the present invention in the state of opening the cover;

FIG. 11 is a schematic structural view of the pressure cooker in the embodiment of the present invention (the upper handle is omitted);

FIG. 12 is an enlarged view of section E of FIG. 11;

fig. 13 is a schematic structural view (upper handle is omitted) of the pressure cooker in the embodiment of the present invention at another view angle in the state of opening the cover;

FIG. 14 is an enlarged view of portion F of FIG. 13;

fig. 15 is a schematic structural view of the pot lid in fig. 10 (upper handle omitted);

fig. 16 is an enlarged view of a portion G in fig. 15.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 to 16, in order to provide a preferred embodiment of the pressure cooker of the present invention, the pressure cooker includes a cooker body 1, a cooker cover 2, a float safety valve 3, a pressure limiting valve 4 and a safety opening and closing structure.

Wherein, the pot body 1 is provided with a lower handle 11, the pot cover 2 is covered on the pot body 1 and is connected with the pot body 1 in a screwing way, the pot cover 2 is provided with an upper handle 21 matched with the lower handle 11, and a sealing ring 22 is arranged in the pot cover 2. In the embodiment, the screwing type connecting structure between the pot cover 2 and the pot body 1 can refer to the prior art, when the pot cover 2 needs to be opened, the pot cover 2 is rotated anticlockwise, otherwise, the pot cover 2 is rotated clockwise, and the cover closing can be realized.

The float safety valve 3 is mounted on the pot cover 2, and the structure thereof comprises a valve body assembly 31 and a valve cap 32, the valve body assembly 31 is mounted on the pot cover 2, the valve cap 32 penetrates through the pot cover 2 and can move up and down relative to the pot cover 2, and the valve cap 32 is overall in a convex shape and comprises a body 321 and a flange 322 convexly arranged on the lower part of the body 321. The structure of the valve body assembly 31 and the connection structure between the valve body assembly 31, the bonnet 32 and the pot cover 2 in this embodiment are the same as those in the prior art, and are not described herein again.

The specific structure of the pressure limiting valve 4 and the connecting structure between the pressure limiting valve 4 and the pot cover 2 can refer to the prior art, and are not described herein.

In this embodiment, the safety opening and closing structure includes two protrusions 5, a locking member 6, a first elastic member, a self-locking member 8, and a second elastic member 9.

Wherein, two lugs 5 are arranged on the top surface of the lower handle 11 at intervals from left to right, and a limit groove 50 is formed between the lugs 5 distributed at intervals from left to right.

The locking part 6 is arranged on the upper handle 21 in a way of moving back and forth, the bottom of the locking part 6 is provided with a limiting block 61 matched with the limiting groove 50, the limiting block 61 is separated from the limiting groove 50 after the locking part 6 moves forward, and then the pot cover 2 can be unscrewed counterclockwise to open the cover; the front part of the locking member 6 is matched with the bonnet 32 of the float safety valve 3, so that the bonnet 32 of the float safety valve 3 can block the locking member 6 from moving forwards after moving upwards, specifically, the front part of the locking member 6 is provided with an opening 62, the outer diameter of a body 321 of the bonnet 32 is smaller than the caliber of the opening 62, the outer diameter of a flange 322 of the bonnet 32 is larger than the caliber of the opening 62, the flange 322 is positioned at the front side of the opening 62 after the bonnet 32 of the float safety valve 3 moves upwards, and the body 321 is positioned at the front side of the opening 62 after the bonnet 32 of the float safety valve 3 falls down. Further, when pressure is applied to the cooker, the valve cap 32 moves upward to block the locking member 6 from moving forward, so that the cooker cover 2 cannot be opened, and only when the pressure in the cooker is reduced, the valve cap 32 falls down to move the locking member 6 forward to open the cooker. In order to facilitate the user to move the locking member 6, at least a part of the locking member 6 is exposed outside the upper handle 21 and can move back and forth relative to the upper handle 21, specifically, the top of the locking member 6 is a push plate 63, the push plate 63 is exposed outside the upper handle 21 and can move back and forth along the upper handle 21, and the user can drive the locking member 6 to move forward by pushing the push plate 63 forward. The push plate 63 and the locking member 6 can be an integral piece or a combined connecting member.

In this embodiment, the locking member 6 is provided with a guiding post 64 protruding in the front-rear direction, the guiding post 64 is a tapered structure, and the end of the guiding post 64 is a small end of the tapered structure. The first elastic member is selected from the first spring 7, the first spring 7 is sleeved on the guide post 64, and two ends of the first spring 7 are respectively abutted between the pot cover 2 and the locking member 6, so that the locking member 6 always has a tendency of moving backwards. In this embodiment, the terminal portion of guide post 64 is towards pot cover 2, and the through-hole 20 that supplies the terminal portion of guide post 64 to pass is seted up to the correspondence on pot cover 2, and this through-hole 20 is relative with sealing washer 22, and the terminal portion of guide post 64 passes through-hole 20 along with retaining member 6 forward movement, and then can withstand the sealing washer in the pot cover when uncapping, makes the sealing washer lose sealedly, improves safety in utilization and the convenience of uncapping. To prevent the first spring 7 from passing through the through hole 20, the diameter of the through hole 20 is smaller than the outer diameter of the first spring 7.

The self-locking block 8 can be arranged on the upper handle 21 in a left-right rotating manner and is positioned at the right side of the locking piece 6, the self-locking block 8 abuts against the convex block 5 under the state that the cover closing is realized by screwing the pot cover 2, and rotates under the action of the convex block 5 to be far away from the locking piece 6, and the locking piece 6 can move backwards; the self-locking block 8 is separated from the convex block 5 and rotates towards the direction of the locking piece 6 to abut against the locking piece 6 when the pot cover 2 is unscrewed to open the cover, so that the locking piece 6 is prevented from moving backwards; the second elastic element 9 acts on the self-locking block 8 so that the self-locking block 8 always has a tendency to rotate in the direction of the locking element 6. Specifically, the method comprises the following steps:

the top of the self-locking block 8 is rotatably connected to the upper handle 21 by a pin 81, and the bottom has a step 82 which is engaged with the projection 5 on the right side, and the step 82 can abut against the right side wall of the projection 5 on the right side. In order to enable the self-locking block 8 to abut against the locking piece 6 and prevent the locking piece 6 from moving backwards, a notch 65 for the self-locking block 8 to be clamped after being rotated is arranged on the side face, opposite to the self-locking block 8, of the locking piece 6, and a wall face, opposite to the self-locking block 8, of the notch 65 is obliquely arranged.

In order to provide a sufficient elastic force to make the self-locking block 8 always have a tendency of rotating towards the locking member 6, the second elastic member 9 in this embodiment includes a torsion spring 91 and a second spring 92, the torsion spring 91 is sleeved on the pin shaft 81, the second spring 92 abuts between the self-locking block 8 and the upper handle 21, and the torsion spring 91 and the second spring 92 cooperate to drive the self-locking block 8 to rotate. Of course, the torsion spring 91 or the second spring 92 can be used alone, as long as it is ensured that sufficient force is applied to drive the self-locking block 8 to rotate.

When no pressure exists in the cooker and the cooker cover 2 needs to be opened, the body 321 of the valve cap 32 is opposite to the opening 62 at the front part of the locking member 6, so that a user can push the locking member 6 forward, and when the locking member 6 moves forward, the limiting block 61 at the bottom of the locking member 6 is separated from the limiting groove 50 between the two convex blocks 5, and the cooker cover 2 can be rotated anticlockwise to open the cooker cover. After the pot cover 2 rotates, the step 82 on the self-locking block 8 is separated from the projection 5, the self-locking block 8 rotates clockwise towards the direction of the locking member 6 under the action of the second elastic member 9 and abuts against the notch 65 of the locking member 6, and then the locking member 6 is prevented from moving backwards.

When pressure is applied to the cooker, the flange 322 of the bonnet 32 is opposed to the opening 62 of the front portion of the locking member 6, so that the locking member 6 cannot be moved forward and the user cannot perform the opening operation.

When the cover needs to be closed, the pot cover 2 is rotated clockwise, so that the upper handle 21 on the pot cover 2 is opposite to the lower handle 11 on the pot body 1. In the process of clockwise rotating the pot cover 2, the step 82 on the self-locking piece 8 can contact the convex block 5 and rotate anticlockwise to leave the notch 65 on the locking piece 6 under the action of the convex block 5 and overcoming the action force of the second elastic piece 9, and meanwhile, the locking piece 6 can move backwards under the action of the first elastic piece to enable the limiting block 61 on the bottom of the locking piece 6 to enter the limiting groove 50 between the two convex blocks 5, so that the cover closing is completed.

If the mistake appears in the process of closing the lid and makes the bottom of retaining member 6 can't move backward to between two blocks of lugs 5, retaining member 6 anterior opening 62 still can be located valve cap 32 and make valve cap 32 unable normal work, and then avoids the condition emergence that the pressure cooker carries out work under the state of not closing the lid completely, improves the safety in utilization.

Claims

1. A pressure cooker comprising:

the pan body (1) is provided with a lower handle (11);

the pot cover (2) is covered on the pot body (1) and is connected with the pot body (1) in a screwing mode, and an upper handle (21) matched with the lower handle (11) is arranged on the pot cover (2);

it is characterized by also comprising:

the at least two lugs (5) are arranged on the top surface of the lower handle (11) at intervals from left to right, and a limiting groove (50) is formed between the lugs (5) which are distributed at intervals from left to right;

the locking part (6) is arranged on the upper handle (21) in a front-and-back moving mode, a limiting block (61) matched with the limiting groove (50) is arranged at the bottom of the locking part (6), and the limiting block (61) is separated from the limiting groove (50) after the locking part (6) moves forwards, so that the pot cover (2) can be unscrewed to open the cover; at least part of the locking piece (6) is exposed out of the upper handle (21) and can move back and forth relative to the upper handle (21);

a first elastic element acting on the retaining element (6) so that the retaining element (6) always has a tendency to move backwards;

the self-locking block (8) is arranged on the upper handle (21) in a left-right rotating mode and is positioned on the left side or the right side of the locking piece (6), the self-locking block (8) abuts against the convex block (5) in a cover closing state by screwing the pot cover (2), the self-locking block rotates under the action of the convex block (5) to be far away from the locking piece (6), and the locking piece (6) can move backwards; the self-locking block (8) is separated from the convex block (5) in the state that the pot cover (2) is unscrewed to open the cover, rotates towards the direction of the locking piece (6) and abuts against the locking piece (6), and prevents the locking piece (6) from moving backwards;

and the second elastic piece (9) is used on the self-locking piece (8) so that the self-locking piece (8) always has the tendency of rotating towards the direction of the locking piece (6).

2. The pressure cooker of claim 1, wherein: the top of self-locking piece (8) is rotated through round pin axle (81) and is connected on last handle (21), and the bottom has step (82) with lug (5) complex, be equipped with on the side of retaining member (6) relative with self-locking piece (8) and supply to rotate back notch (65) of going into from self-locking piece (8).

3. The pressure cooker of claim 2, wherein: the wall surface of the notch (65) opposite to the self-locking block (8) is obliquely arranged.

4. The pressure cooker of claim 2, wherein: second elastic component (9) are including torsional spring (91) or second spring (92), torsional spring (91) cover is established on round pin axle (81), second spring (92) butt is between from locking piece (8) and last handle (21).

5. The pressure cooker of claim 2, wherein: from locking piece (8) are located the right side of retaining member (6), step (82) on locking piece (8) bottom can the butt on the right side wall of lug (5) that are located the right side.

6. The pressure cooker of claim 1, wherein: the safety pot also comprises a float safety valve (3) arranged on the pot cover (2), and a valve cap (32) of the float safety valve (3) penetrates through the pot cover (2) and can move up and down relative to the pot cover (2); the front part of the locking piece (6) is matched with a valve cap (32) of the float safety valve (3) so that the valve cap (32) of the float safety valve (3) can block the locking piece (6) from moving forwards after moving upwards.

7. The pressure cooker of claim 6, wherein: the front part of the locking piece (6) is provided with an opening (62), the bonnet (32) of the float safety valve (3) comprises a body (321) and a flange (322) convexly arranged on the lower part of the body, the outer diameter of the body (321) is smaller than the caliber of the opening (62), the outer diameter of the flange (322) is larger than the caliber of the opening (62), the flange (322) is positioned on the front side of the opening (62) after the bonnet (32) of the float safety valve (3) moves upwards, and the body (321) is positioned on the front side of the opening (62) after the bonnet (32) of the float safety valve (3) falls.

8. The pressure cooker of claim 1, wherein: the first elastic part comprises a first spring (7), and two ends of the first spring (7) are respectively abutted between the pot cover (2) and the locking part (6).

9. The pressure cooker of claim 8, wherein: still including installing sealing washer (22) in pot cover (2), retaining member (6) epirelief is equipped with guide post (64), first spring (7) cover is established on this guide post (64), just set up through-hole (20) that the terminal portion that supplies guide post (64) to pass on pot cover (2), this through-hole (20) with sealing washer (22) are relative, and the aperture of this through-hole (20) is less than the external diameter of first spring (7).

10. The pressure cooker of claim 9, wherein: the guide post (64) is of a conical structure, and the tail end part of the guide post (64) is a small end of the conical structure.