Cooker cover of pressure cooker

Abstract

The utility model provides a cooker cover of a pressure cooker, and belongs to the technical field of kitchen ware. The problem that in the prior art, a pot cover is inconvenient to place after being opened, and consequently a large table top space is occupied is solved. The cooker cover of the pressure cooker comprises a cover body, at least two clamps which are distributed in the circumferential direction and can move in the radial direction are arranged on the cover body, the clamps are connected with a rotary knob through a clamp lock, and the clamp lock can enable the clamps to enter a locking position or an unlocking position under rotation of the rotary knob. The knob is provided with a support handle for providing support when the cover body is laterally erected on a desktop, and a knob positioning structure capable of preventing the knob from rotating when the clamp enters a locking position or an unlocking position is arranged between the knob and the clamp lockset. The utility model has the advantages of space saving, firm structure, compact structure, small volume and the like.

Description

Technical Field

[0001] The utility model belongs to the technical field of kitchenware and relates to a pressure cooker, in particular to a pot cover of the pressure cooker. Background Art

[0002] The lid of the pressure cooker is tightly connected to the pot body through its clamps to create a high-pressure environment in the pot, thereby increasing the boiling point of the water in the pot and achieving the purpose of accelerating the efficiency of stewing food. In the prior art, the lid of the pressure cooker has a complex structure and a large volume, and needs to be placed somewhere, which takes up a lot of space; and the guidance of the clamp usually relies solely on the guide plate, resulting in a complex structure and easy to loosen or damage. To this end, people have conducted long-term exploration and proposed various solutions.

[0003] For example, a Chinese patent document discloses a clamp-type pressure cooker [application number: CN202010312002.X], which includes a pot body and a pot cover assembly. The pot cover assembly is provided with a clamp assembly, a handle assembly and a mask assembly. The pot cover assembly includes a pot cover, a sealing ring and a pressure limiting valve. The pot cover is provided with a radial installation guide groove. The clamp assembly includes a clamp and a connecting piece. The handle assembly includes a handle seat, a cover plate and a rotating seat. The handle seat is rotated to drive the rotating seat to rotate, and the connecting piece drives the clamp to move outward to open or inward to lock, thereby achieving the purpose of opening or closing the lid. When opening and closing the lid, the user can easily open and close the lid by rotating the handle at any position, which is safe and reliable.

[0004] Although the above solution has a good clamp positioning and prevents loosening effect, the pot cover can only be placed flat on the table after opening, thereby still occupying more table space. Summary of the invention

[0005] The utility model aims to provide a pot cover for a pressure cooker in view of the above problems, and solves the problem in the prior art that the pot cover is inconvenient to put aside after being opened, resulting in more desktop space being occupied.

[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme: the lid of the pressure cooker comprises a lid body, the lid body is provided with at least two clamps distributed in the circumferential direction and capable of radial movement, the clamps are connected to the knob through a clamp lock, the clamp lock can make the clamp enter a locked position or an unlocked position when the knob is rotated, and is characterized in that the knob is provided with a support handle for providing support when the lid body is placed on its side on a desktop, and a knob positioning structure is provided between the knob and the clamp lock, which can prevent the knob from rotating when the clamp enters the locked position or the unlocked position.

[0007] The knob is rotated to drive the clamp lock so that the clamp enters the locked position or unlocked position, so as to realize the locking and unlocking separation between the pot cover and the pot body. The knob positioning structure can prevent the knob from rotating when it is in the locked position, thereby providing safe use; when the knob is in the unlocked position, the support handle can be prevented from rotating, so that the support handle can provide reliable support.

[0008] In the above-mentioned pressure cooker lid, the knob positioning structure includes at least one positioning hole group arranged on the knob and distributed along the circumference of the rotation center thereof, the positioning hole group includes an unlocking position locking hole and a locking position locking hole distributed along the circumference of the rotation center of the knob, and the housing of the clamp lock is provided with an elastic locking component that can extend into the unlocking position locking hole or the locking position locking hole for positioning. Through the elastic locking component and the unlocking position locking hole or the locking position locking hole, when the force applied to the knob is not greater than a preset value, the elastic locking component can be prevented from being separated from the unlocking position locking hole or the locking position locking hole, thereby providing reliable locking, and the angle formed between the unlocking position locking hole and the locking position locking hole and the rotation center of the knob is 90 degrees.

[0009] In the above-mentioned pressure cooker lid, the elastic locking assembly includes a positioning head, which is arranged in the positioning head mounting hole of the housing, and an elastic member is arranged between the positioning head and the positioning head mounting hole. The elastic member includes a spring, and a spring is sleeved on the spring positioning rod at the lower end of the positioning head, and the upper end of the spring abuts against the positioning head, and the lower end abuts against the bottom of the positioning head mounting hole. Since the knob is close to the housing, a rotation gap is formed between the knob and the housing, and the length of the positioning head is greater than the rotation gap, so that the positioning head will not be separated from the positioning head mounting hole.

[0010] In the above-mentioned pressure cooker lid, a plurality of middle position lock holes are arranged between the unlocking position lock hole and the locking position lock hole. With the middle position lock hole, the support handle can realize multi-angle rotation positioning.

[0011] In the above-mentioned pressure cooker lid, the support handle comprises a straight handle, the inner end of the straight handle is connected to the knob, and the outer end of the straight handle is provided with an arc handle inclined outward. The inner end of the straight handle is connected to the knob as a whole, and the inner end of the arc handle is connected to the outer end of the straight handle as a whole. The distance between the arc handle and the surface of the lid body is greater than the distance between the straight handle and the surface of the lid body, so that the lid can be supported when the lid is standing on its side.

[0012] In the above-mentioned pressure cooker lid, a locking secondary positioning structure is provided between the straight handle and the shell, and the locking secondary positioning structure comprises a U-shaped groove provided on the shell, and a positioning column capable of entering or moving out of the U-shaped groove is provided on the straight handle. The secondary positioning structure can prevent the remaining structures from being damaged by excessive force when locking.

[0013] In the above-mentioned pressure cooker lid, the clamp lock comprises a shell, the shell is fixed on the cover, a connecting piece equal to the number of clamps is provided between the shell and the cover, the outer end of the connecting piece is fixed on the clamp, a guide column is provided on the inner end of the connecting piece, the guide column is inserted into the radial strip slot of the shell, and the upper end of the guide column is arranged in the arc-shaped limiting groove of the knob, and a circumferential limiting structure capable of limiting the moving direction of the connecting piece so that it can only move radially along the cover is provided between the connecting piece and the shell. The circumferential limiting structure limits the clamp to move radially, so that the clamp can fasten the cover and the pot body.

[0014] In the above-mentioned pressure cooker lid, the circumferential limiting structure comprises shell inner ribs respectively arranged on both sides of the connecting piece, the shell inner ribs are fixedly connected to the shell, and a radial channel capable of limiting the moving direction of the connecting piece so that it can only move radially along the cover body is formed between the two shell inner ribs, the shell and the cover body. By arranging the shell inner ribs on the shell to form a guide structure, the radial channel can be formed without arranging the guide structure on the cover body.

[0015] In the pressure cooker lid, both sides of the connecting piece are provided with side steps protruding upwards. Due to the side steps, the strength of the connecting piece can be enhanced to prevent the connecting piece from twisting or bending, and the safety connecting piece can provide reliable connectivity.

[0016] In the above-mentioned pressure cooker lid, the knob is arranged in the knob mounting hole in the middle of the shell, a stud is arranged in the knob mounting hole, the stud is inserted into the rotary connection hole of the knob and fixed by a gasket and a nut, and a removable cover is arranged at the outer end of the rotary connection hole; the shell is fixedly connected to the cover body through two connecting seats, the connecting sheet has two pieces and a connecting seat movable strip hole is arranged on the connecting sheet, the connecting seat is inserted in the connecting seat movable strip hole and is arranged one-to-one with it, a stop-open safety valve is arranged on one of the connecting seats, and a stop-open top piece that can extend into the stop-open safety valve is arranged on the connecting sheet on this side. The knob is arranged in the knob mounting hole, which can reduce the overall thickness of the cover body, and can be easily disassembled and installed by bolt fixing; the connecting seat is inserted in the connecting seat strip hole, which avoids mutual conflict between the connecting piece and the connecting seat when the connecting piece moves radially, and the stop-open top piece extends into the stop-open safety valve, ensuring that the cover cannot be opened when there is pressure in the pot, ensuring the safety of the user.

[0017] Compared with the existing technology, the advantages of the pressure cooker cover are: 1. After the cover is separated from the pot body, it can be placed sideways, thereby saving space, making it more convenient to place, and the cover can be cleaner and more sanitary. 2. The structure is firm, which can effectively avoid failure and is safe and reliable. 3. The structure is compact, so that the volume of the cover can be smaller. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the cross-sectional structure provided by the utility model.

[0019] Figure 2 It is a schematic diagram of the side-standing posture provided by the utility model.

[0020] Figure 3 It is a schematic diagram of the top structure provided by the utility model.

[0021] Figure 4 It is a schematic diagram of the structure of the clamp assembly provided by the utility model.

[0022] Figure 5 It is a schematic diagram of the side structure of the knob and the support handle provided by the utility model.

[0023] Figure 6 It is a schematic diagram of the bottom surface structure of the knob and the support handle provided by the utility model.

[0024] Figure 7 It is a schematic diagram of the shell structure provided by the utility model.

[0025] Figure 8 yes Figure 1 Schematic diagram of the enlarged structure at point A in the middle.

[0026] In the figure, the cover body 1, the clamp 11, the connecting seat 12, the stop-open safety valve 13, the clamp lock 2, the shell 21, the elastic locking assembly 211, the positioning head 212, the spring positioning rod 2121, the positioning head mounting hole 213, the elastic member 214, the spring 2141, the radial strip slot 215, the connecting piece 22, the guide column 221, the connecting seat movable strip hole 222, the stop-open top plate 223, the side step 224, the circumferential limiting structure 23, the shell inner rib 231, the radial channel 232, the knob mounting hole 24, the stud 241, the knob 3, the knob positioning structure 31, the positioning hole group 32, the unlocking position lock hole 321, the locking position lock hole 322, the rotating connecting hole 33, the removable cover 34, the arc-shaped limiting groove 35, the support handle 4, the straight handle 41, the arc-shaped handle 42, the locking secondary positioning structure 5, the U-shaped groove 51, and the positioning column 52. DETAILED DESCRIPTION

[0027] like Figure 1-7 As shown, the lid of the pressure cooker includes a lid body 1, on which are provided two clamps 11 distributed in a circumferential direction and capable of radial movement, the clamps 11 being connected to a knob 3 via a clamp lock 2, the clamp lock 2 being capable of causing the clamps 11 to enter a locked position or an unlocked position when the knob 3 is rotated, the knob 3 being provided with a support handle 4 for providing support when the lid body is placed sideways on a desktop, and a knob positioning structure 31 being provided between the knob 3 and the clamp lock 2 and capable of preventing the knob 3 from rotating when the clamps 11 enter a locked position or an unlocked position.

[0028] More specifically, the knob positioning structure 31 includes two groups of positioning hole groups 32 arranged on the knob 3 and distributed circumferentially along its rotation center, each group of positioning hole groups 32 is provided with ten hole positions along the rotation trajectory, the positioning hole group 32 includes an unlocking position lock hole 321 and a locking position lock hole 322 distributed along the circumferential direction of the rotation center of the knob 3, and the housing 21 of the clamp lock 2 is provided with an elastic locking component 211 that can extend into the unlocking position lock hole 321 or the locking position lock hole 322 for positioning, the angle formed between the unlocking position lock hole 321 and the locking position lock hole 322 and the rotation center of the knob 3 is 90 degrees, and eight middle position lock holes 323 are also provided between the unlocking position lock hole 321 and the locking position lock hole 322.

[0029] like Figure 1 and Figure 6 As shown, the elastic locking assembly 211 includes a positioning head 212, which is arranged in a positioning head mounting hole 213 of the housing 21, and an elastic member 214 is arranged between the positioning head 212 and the positioning head mounting hole 213, and the elastic member 214 includes a spring 2141, and a spring positioning rod 2142 at the lower end of the positioning head 212 is sleeved with a spring 2141, and the upper end of the spring 2141 abuts against the positioning head 212, and the lower end abuts against the positioning head mounting hole 213.

[0030] like Figure 1 , 2 As shown in Figure 4, the support handle 4 includes a straight handle 41, the inner end of the straight handle 41 is connected to the knob 3, and the outer end of the straight handle 41 is provided with an outwardly inclined arc handle 42, the inner end of the straight handle 41 is connected to the knob 3 as a whole, and the inner end of the arc handle 42 is connected to the outer end of the straight handle 41 as a whole; the distance between the arc handle 42 and the surface of the cover body 1 is greater than the distance between the straight handle 41 and the surface of the cover body 1, so that the pot cover can provide support when it stands on the table.

[0031] In order to facilitate the rotation and positioning of the support handle, a locking secondary positioning structure 5 is provided between the straight handle 41 and the shell 21. The locking secondary positioning structure 5 includes a U-shaped groove 51 arranged on the shell 21, and a positioning column 52 that can enter or move out of the U-shaped groove 51 is provided on the straight handle 41.

[0032] In this embodiment, Figure 1 , 2As shown in Figures 5 and 6, the clamp lock 2 includes a housing 21, the housing 21 is fixed on the cover 1, and a connecting piece 22 equal to the number of the clamps 11 is provided between the housing 21 and the cover 1, the outer end of the connecting piece 22 is fixed on the clamp 11, and a guide column 221 is provided on the inner end of the connecting piece 22, and the guide column 221 is penetrated in the radial strip slot 215 of the housing 21, and the upper end of the guide column 221 is set in the arc-shaped limit groove 35 of the knob 3, and a limit is provided between the connecting piece 22 and the housing 21. A circumferential limiting structure 23 is provided for limiting the moving direction of the connecting piece 22 so that it can only move radially along the cover body 1; the circumferential limiting structure 23 includes shell inner ribs 231 respectively arranged on both sides of the connecting piece 22, the shell inner ribs 231 are fixedly connected to the shell 21, and a radial channel 232 is formed between the two shell inner ribs 231, the shell 21 and the cover body 1, which can limit the moving direction of the connecting piece 22 so that it can only move radially along the cover body 1, and upwardly protruding side steps 221 are provided on both sides of the connecting piece 22.

[0033] like Figure 1 and 6 As shown, the knob 3 is arranged in the knob mounting hole 24 in the middle of the shell 21, and a stud 241 is provided in the knob mounting hole 24. The stud 241 shown is passed through the rotation connection hole 33 of the knob 3 and fixed by a gasket and a nut. The outer end of the rotation connection hole 33 shown is provided with a removable cover 34.

[0034] In order to facilitate disassembly and subsequent maintenance, the shell 21 is fixedly connected to the cover body 1 through two connecting seats 12. The connecting seat 12 is an existing structure and will not be described in detail. The connecting piece 22 has two pieces and a connecting seat movable bar hole 222 is provided on the connecting piece 22. The connecting seat 12 is inserted into the connecting seat movable bar hole 222 and is arranged one by one with it. Figure 1 As shown, a stop-opening safety valve 13 is provided on the left connecting seat 12 , and a stop-opening top plate 223 capable of extending into the stop-opening safety valve 13 is provided on the connecting plate 22 on this side.

[0035] The working principle of this embodiment is that when opening the pot lid, the support handle 4 is rotated to drive the knob 3 to rotate 90 degrees, and the guide column 221 moves from the inner end of the arc-shaped limit groove 35 to the outer end. At this time, the connecting piece 22 moves radially outward to make the clamp 11 loosen the lid body 1 and the pot body, completing the unlocking. The locking of the pot lid is the reverse operation of opening the pot lid;

[0036] At the same time, the positioning head 212 in the elastic locking assembly 211 moves between the unlocking position lock hole 321 and the locking position lock hole 322 along the multiple hole positions of the positioning hole group 32. When moving, the positioning head 212 and the arc shape of the positioning hole group 32 are matched to squeeze the spring to expand and contract. When the spring contracts, the positioning head 212 can move between the hole positions. After reaching another hole position, the spring automatically extends, and the position conversion of the positioning head 212 between multiple hole positions can be realized;

[0037] After removing the lid, Figure 2 As shown, the cover body 1 is placed sideways and supported by the arc-shaped handle 42 of the support handle 4, so that the pot cover stands on the table.

[0038] The specific embodiments described herein are merely examples of the spirit of the present invention. Those skilled in the art may make various modifications or additions to the specific embodiments described or replace them in similar ways, but they will not deviate from the spirit of the present invention or exceed the scope defined by the appended claims.

[0039] Although this article uses more terms such as cover body, clamp, connecting seat, non-opening safety valve, clamp lock, shell, elastic locking assembly, positioning head, spring positioning rod, positioning head mounting hole, elastic member, spring, radial strip slot, connecting plate, guide column, connecting seat movable strip hole, non-opening top plate, side step, circumferential limiting structure, shell inner rib, radial channel, knob mounting hole, stud, knob, knob positioning structure, positioning hole group, unlocking position lock hole, locking position lock hole, rotating connecting hole, removable cover, arc limiting groove, support handle, straight handle, arc handle, locking secondary positioning structure, U-shaped groove, positioning column, etc., it does not exclude the possibility of using other terms. These terms are used only to more conveniently describe and explain the essence of the utility model, and interpreting them as any additional restrictions is contrary to the spirit of the utility model.

Claims

1. A pressure cooker lid, comprising a lid (1), the lid (1) being provided with at least two clamps (11) distributed in a circumferential direction and capable of radial movement, the clamps (11) being connected to a knob (3) via a clamp lock (2), the clamp lock (2) being capable of causing the clamps (11) to enter a locked position or an unlocked position when the knob (3) is turned, characterized in that: The knob (3) is provided with a support handle (4) for providing support when the cover body is placed on its side on a tabletop, and a knob positioning structure (31) is provided between the knob (3) and the clamp lock (2) for preventing the knob (3) from rotating when the clamp (11) enters a locked position or an unlocked position.

2. The pot cover of the pressure cooker according to claim 1, characterized in that: The knob positioning structure (31) comprises at least one positioning hole group (32) arranged on the knob (3) and distributed along the circumference of the rotation center thereof, the positioning hole group (32) comprising an unlocking position lock hole (321) and a locking position lock hole (322) distributed along the circumference of the rotation center of the knob (3), and the housing (21) of the clamp lock (2) is provided with an elastic locking component (211) capable of extending into the unlocking position lock hole (321) or the locking position lock hole (322) for positioning.

3. The pot cover of the pressure cooker according to claim 2, characterized in that: The elastic locking assembly (211) comprises a positioning head (212), the positioning head (212) being arranged in a positioning head mounting hole (213) of the housing (21), and an elastic member (214) being arranged between the positioning head (212) and the positioning head mounting hole (213).

4. The pot cover of the pressure cooker according to claim 2, characterized in that: A plurality of middle position lock holes (323) are further provided between the unlocking position lock hole (321) and the locking position lock hole (322).

5. The pot cover of the pressure cooker according to claim 1, 2, 3 or 4, characterized in that: The support handle (4) comprises a straight handle (41), the inner end of the straight handle (41) is connected to the knob (3), and the outer end of the straight handle (41) is provided with an outwardly inclined arc-shaped handle (42).

6. The pot cover of the pressure cooker according to claim 5, characterized in that: A locking secondary positioning structure (5) is provided between the straight handle (41) and the housing (21), the locking secondary positioning structure (5) comprising a U-shaped groove (51) provided on the housing (21), and a positioning column (52) capable of entering or moving out of the U-shaped groove (51) is provided on the straight handle (41).

7. The pot cover of the pressure cooker according to claim 1, 2, 3 or 4, characterized in that: The clamp lock (2) comprises a shell (21), the shell (21) being fixed on the cover body (1), and connecting plates (22) equal in number to the number of the clamps (11) being provided between the shell (21) and the cover body (1), the outer ends of the connecting plates (22) being fixed on the clamps (11), and guide pillars (221) being provided on the inner ends of the connecting plates (22), the guide pillars (221) being inserted into radial strip slots (215) of the shell (21), and the upper ends of the guide pillars (221) being arranged in arc-shaped limiting slots (35) of the knob (3), and a circumferential limiting structure (23) capable of limiting the moving direction of the connecting plates (22) so that the connecting plates (22) can only move radially along the cover body (1) is provided between the connecting plates (22) and the shell (21).

8. The pot cover of the pressure cooker according to claim 7, characterized in that: The circumferential limiting structure (23) comprises shell inner ribs (231) respectively arranged on both sides of the connecting piece (22); the shell inner ribs (231) are fixedly connected to the shell (21); and a radial channel (232) capable of limiting the travel direction of the connecting piece (22) so that it can only move radially along the cover body (1) is formed between the two shell inner ribs (231), the shell (21) and the cover body (1).

9. The pot cover of the pressure cooker according to claim 8, characterized in that: The connecting piece (22) is provided with side steps (224) protruding upward on both sides.

10. The pot cover of the pressure cooker according to claim 7, characterized in that: The knob (3) is arranged in a knob mounting hole (24) in the middle of the housing (21), a stud (241) is arranged in the knob mounting hole (24), the stud (241) is inserted into the rotation connection hole (33) of the knob (3) and fixed by a gasket and a nut, and a removable cover (34) is arranged at the outer end of the rotation connection hole (33); the housing (21) is fixedly connected to the cover body (1) via two connection seats (12), the connection sheet (22) has two pieces and a connection seat movable strip hole (222) is arranged on the connection sheet (22), the connection seat (12) is inserted into the connection seat movable strip hole (222) and is arranged one-to-one with the connection seat, a stop-opening safety valve (13) is arranged on one of the connection seats (12), and a stop-opening top sheet (223) capable of extending into the stop-opening safety valve (13) is arranged on the connection sheet (22) on this side.

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