CN219782303U - Power pack fixing structure and electric pressure cooker - Google Patents

Abstract

The utility model provides a power box fixing structure and an electric pressure cooker, and relates to the technical field of electrical equipment. The power supply box fixing structure is provided with the power supply box as a containing structure of the power supply, so that the installation stability of the power supply is effectively improved, and the power supply is prevented from colliding with other structures in the use and transportation processes of the electric pressure cooker; the installation hole is formed in the bottom cover of the shell of the electric pressure cooker, the power supply box can be installed in the installation hole, the installation and disassembly efficiency of the power supply box is effectively improved, the power supply box can form a whole with the bottom cover through the inner wall of the installation hole, and the installation stability of a power supply is further improved; cover the end apron of setting in the bottom outside on the mounting hole, end apron can be dismantled with the bottom and be connected to with power pack butt, end apron can play the guard action to the power pack, and the detachable connection of accessible end apron and bottom and the detachable connection of power pack and bottom can effectively promote the maintenance and the convenience of changing of power.

Description

Power pack fixing structure and electric pressure cooker

Technical Field

The utility model relates to the technical field of electrical equipment, in particular to a power box fixing structure and an electric pressure cooker.

Background

For an electric pressure cooker using electric power as an energy supply source, a power source for electrically connecting with a working member inside the electric pressure cooker is an indispensable element.

At present, the inside power of electric pressure cooker generally sets up on electric pressure cooker's bottom lid, simultaneously, in order to avoid the power to take place not hard up in use and transportation, the mounting structure of power is comparatively complicated, and is integrated into one piece structure with the bottom, reduces the possibility that the power takes place not hard up through increasing structural strength and reducing the structure.

However, the electric pressure cooker belongs to a frequently used kitchen ware, the power supply is very easy to damage due to long-time use or misoperation, the power supply also has a certain service life, the power supply is inconvenient to detach due to the complex structure and the installation structure integrated with the bottom cover, the whole shell of the electric pressure cooker is generally required to be completely detached for replacement or maintenance, and the convenience of maintenance and replacement of the power supply of the electric pressure cooker is seriously reduced.

Disclosure of Invention

The utility model solves the problem of how to improve the convenience of maintenance and replacement of the power supply while ensuring the installation stability of the power supply of the electric pressure cooker.

In order to solve the above problems, in one aspect, the present utility model provides a power box fixing structure, including:

the power supply box is internally used for installing a power supply;

the power supply box is arranged in the mounting hole and detachably connected with the bottom cover, and the side wall of the power supply box is used for being abutted with the inner wall of the mounting hole;

the bottom cover plate is positioned on the outer side of the bottom cover, is used for covering the mounting hole and is detachably connected with the bottom cover, and is used for being abutted with the power supply box.

Compared with the prior art, the power supply box fixing structure has the beneficial effects that: the power supply box is arranged as a containing structure of the power supply, so that the installation stability of the power supply is effectively improved, the power supply is prevented from colliding with other structures in the using and transporting processes of the electric pressure cooker, meanwhile, the installation hole is formed in the bottom cover of the shell of the electric pressure cooker, the power supply box can be installed in the installation hole and is detachably connected with the bottom cover, the installation and detachment efficiency of the power supply box is effectively improved, the side wall of the power supply box can be abutted with the inner wall of the installation hole, and therefore when the power supply box is installed in the installation hole, the power supply box can be integrally formed with the bottom cover through the inner wall of the installation hole, the installation hole limits the power supply box, and the installation stability of the power supply is further improved; on this basis, cover the end apron that sets up to be located the bottom outside on the mounting hole, end apron can be with the bottom detachable connection, and with the power pack butt, end apron can play the guard action to the power pack, avoid outer structure to cause the damage to the power pack, influence the stability in use of power, and end apron can with the power pack butt, thereby play spacing effect to the power pack in the direction that deviates from the mounting hole, on the basis that the power pack can be dismantled with the bottom and be connected, further reduce the possibility that the power pack takes place to rock, improve the installation stability of power, and can dismantle the connection with the power pack and the bottom through end apron and bottom, can be when the power needs maintenance and change, dismantle the bottom board fast, and separate power pack and bottom, effectively promote the maintenance and the convenience of changing of power.

Optionally, be equipped with spacing portion on the power pack, be equipped with spacing subassembly on the bottom, spacing portion be used for with spacing subassembly detachable connection, spacing portion be used for with the bottom board butt.

Optionally, the spacing portion includes at least one installation boss, the spacing subassembly includes at least one installation draw-in groove, the installation boss is located on the lateral wall of power pack, the installation draw-in groove is located on the bottom, the installation boss is used for arranging in the installation draw-in groove, the installation boss be used for with bottom board butt.

Optionally, the spacing portion still includes at least one spacing boss, spacing subassembly still includes at least one spacing buckle, spacing boss is located on the lateral wall of power pack, spacing buckle is located on the bottom, spacing boss be used for with spacing buckle block connection.

Optionally, a mounting groove is formed in the bottom cover, and the mounting hole is formed in the bottom wall of the mounting groove; when the bottom cover plate covers the mounting hole, the side wall of the bottom cover plate is used for being abutted with the side wall of the mounting groove, and the end face of the bottom cover plate, which faces the mounting hole, is used for being abutted with the bottom wall of the mounting groove.

Optionally, a plurality of connector links are arranged on the bottom wall of the mounting groove along the circumferential interval, the opening of the connector links is arranged along the circumferential direction of the bottom wall of the mounting groove, a connecting port is arranged below the connector links, a plurality of notches are arranged on the edge of the bottom cover plate along the circumferential interval, a stop piece is arranged on the side wall of each notch, the connector links are used for being placed in the notch when the bottom cover plate is placed in the mounting groove, the stop piece enters the connecting port, the bottom cover plate is used for rotating around the circumferential direction, so that the stop piece moves to the lower side of the connector links, and the lower end face of the connector links is in butt joint with the upper end face of the bottom cover plate.

Optionally, a first connecting hole is formed in the bottom cover, a second connecting hole is formed in the bottom cover plate, the first connecting hole is used for corresponding to the second connecting hole, and the threaded connecting piece is used for penetrating through the second connecting hole and is installed in the first connecting hole.

Optionally, the bottom cover plate is used for being provided with the lug on the terminal surface that sets up towards the mounting hole, the lug be used for with the power pack butt.

Optionally, a plurality of heat dissipation holes are formed in the bottom cover plate.

On the other hand, the utility model also provides an electric pressure cooker, which comprises a power supply and the power supply box fixing structure.

Compared with the prior art, the electric pressure cooker has the same beneficial effects as the power box fixing structure, and is not repeated herein.

Drawings

FIG. 1 is a schematic diagram of a power supply box according to an embodiment of the utility model;

FIG. 2 is a schematic view of a bottom cover according to an embodiment of the utility model;

FIG. 3 is a schematic view of a bottom cover plate according to an embodiment of the present utility model;

FIG. 4 is a cross-sectional view of a power supply box according to an embodiment of the present utility model;

FIG. 5 is a schematic view of a power box fixing structure according to an embodiment of the utility model;

fig. 6 is a schematic structural diagram of another view of the fixing structure of the power box according to the embodiment of the utility model.

Reference numerals illustrate:

1-a power supply box; 11-a limiting part; 111-mounting bosses; 112-limit bosses; 2-a bottom cover; 21-mounting holes; 22-a limiting assembly; 221-mounting a clamping groove; 222-limit buckle; 23-mounting slots; 231-connecting buckle; 232-connecting port; 24-first connecting holes; 3-a bottom cover plate; 31-notch; 32-a stopper; 33-a second connection hole; 34-bump; 35-heat dissipation holes.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the coordinate system XYZ provided herein, the forward direction of the X axis represents the right direction, the reverse direction of the X axis represents the left direction, the forward direction of the Y axis represents the rear direction, the reverse direction of the Y axis represents the front direction, the forward direction of the Z axis represents the upper direction, and the reverse direction of the Z axis represents the lower direction. Also, it is noted that the terms "first," "second," and the like in the description and claims of the present utility model and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.

In one aspect, an embodiment of the present utility model provides a power box fixing structure, including: the power supply box 1 is used for installing a power supply in the power supply box 1; the power supply box comprises a bottom cover 2, wherein a mounting hole 21 is formed in the bottom cover 2, the power supply box 1 is arranged in the mounting hole 21 and detachably connected with the bottom cover 2, and the side wall of the power supply box 1 is used for being abutted with the inner wall of the mounting hole 21; the bottom cover plate 3, bottom cover plate 3 is located the outside of bottom 2, and bottom cover plate 3 is used for covering mounting hole 21, and is connected with bottom 2 detachably, and bottom cover plate 3 is used for with power pack 1 butt.

In this embodiment, as shown in fig. 1 to 6, the power supply box 1 is provided as a containing structure of a power supply, so that the installation stability of the power supply is effectively improved, the power supply is prevented from colliding with other structures in the process of using and transporting the electric pressure cooker, meanwhile, the installation hole 21 is formed in the bottom cover 2 of the shell of the electric pressure cooker, the power supply box 1 can be installed in the installation hole 21 and is detachably connected with the bottom cover 2, the installation and detachment efficiency of the power supply box 1 is effectively improved, and the side wall of the power supply box 1 can be abutted with the inner wall of the installation hole 21, so that when the power supply box 1 is installed in the installation hole 21, the power supply box 1 can be integrally formed with the bottom cover 2 through the inner wall of the installation hole 21, the installation hole 21 limits the power supply box 1, and the installation stability of the power supply is further improved; on this basis, cover the bottom board 3 that sets up to lie in the bottom 2 outside on mounting hole 21, will lie in the bottom board 3 cover that the bottom 2 deviates from the inside one side of casing of electric pressure cooker and set up on bottom 2, and bottom board 3 can be with the detachable connection of bottom 2, and with power pack 1 butt, bottom board 3 can play the guard action to power pack 1, avoid outer structure to cause the damage to power pack 1, influence the stability in use of power, and bottom board 3 can with power pack 1 butt, thereby play limiting displacement to power pack 1 in the direction that deviates from mounting hole 21, on the basis of detachable connection of power pack 1 and bottom 2, further reduce the possibility that power pack 1 takes place to rock, improve the installation stability of power, and through the detachable connection of bottom board 3 and bottom 2 and the detachable connection of power pack 1 and bottom 2, can be when the power needs maintenance and change, dismantle bottom board 3 fast, and separate power pack 1 and bottom 2, the convenience of maintenance and change of effective promotion.

It should be noted that, in this embodiment, as shown in fig. 1, the power supply box 1 is a plate box structure with an opening, a supporting rib and a connecting hole are arranged in the power supply box 1, the power supply can be placed in the power supply box 1 through the opening end, and the power supply box 1 is connected with the power supply box 1 through the connecting hole, the opening of the power supply box 1 faces the direction deviating from the bottom cover 2, namely, the Z axis is forward, and the bottom cover plate 3 can cover the opening of the power supply box 1, so that the damage to the power supply box 1 or the power supply caused by the external structure is avoided, and when the power supply needs to be replaced, the bottom cover plate 3 can be detached to directly replace the power supply. Correspondingly, in other embodiments of the present utility model, the power supply box 1 may be provided with a hollow sealing structure, and the power supply is pre-installed in the power supply box 1, and of course, the power supply box 1 with one opening may be directly integrally formed with the bottom cover 2, and the power supply may be installed, maintained and replaced by detaching the bottom cover plate 3.

Optionally, a limiting part 11 is arranged on the power supply box 1, a limiting component 22 is arranged on the bottom cover 2, the limiting part 11 is detachably connected with the limiting component 22, and the limiting part 11 is used for being abutted with the bottom cover plate 3.

In this embodiment, as shown in fig. 1 and 2, a limiting part 11 is disposed on a power supply box 1, a limiting component 22 is disposed on a bottom cover 2, and when the power supply box 1 is disposed in a mounting hole 21, the limiting part 11 can be detachably connected with the limiting component 22, so as to realize quick dismounting connection of the power supply box 1 and the bottom cover 2, and effectively improve dismounting and mounting efficiency of the power supply box 1; and when bottom cover board 3 covers mounting hole 21, still can with spacing portion 11 butt to spacing portion 11 is spacing in vertical direction, carries out the centre gripping to spacing portion 11 with spacing subassembly 22 cooperation, thereby effectively promotes spacing portion 11 and spacing subassembly 22's connection stability, and then promotes the installation stability of power.

Optionally, the limiting part 11 includes at least one mounting boss 111, the limiting component 22 includes at least one mounting slot 221, the mounting boss 111 is located on a side wall of the power supply box 1, the mounting slot 221 is located on the bottom cover 2, the mounting boss 111 is disposed in the mounting slot 221, and the mounting boss 111 is abutted with the bottom cover board 3.

In this embodiment, as shown in fig. 1, 2 and 5, the limiting part 11 includes at least one mounting boss 111, and the limiting component 22 includes at least one mounting slot 221, the mounting boss 111 is disposed on a side wall of the power box 1, and the mounting slot 221 is disposed on the bottom cover 2, when the power box 1 is disposed in the mounting hole 21, and when the side wall of the power box 1 abuts against an inner wall of the mounting hole 21, the mounting boss 111 can be correspondingly disposed in the mounting slot 221, when the power box 1 is connected with the bottom cover 2, and when the bottom cover plate 3 covers the mounting hole 21, the mounting boss 111 can also abut against the bottom cover plate 3, so as to further improve the mounting stability of the power box 1.

In the present embodiment, the mounting boss 111 is integrally formed with the power supply box 1.

Optionally, the limiting portion 11 further includes at least one limiting boss 112, the limiting assembly 22 further includes at least one limiting buckle 222, the limiting boss 112 is located on a side wall of the power box 1, the limiting buckle 222 is located on the bottom cover 2, and the limiting boss 112 is used for being connected with the limiting buckle 222 in a clamping manner.

In this embodiment, as shown in fig. 1, 2 and 4, in order to further improve the installation stability of the power supply box 1, the limiting part 11 is further provided with at least one limiting boss 112, the limiting component 22 is further provided with at least one limiting buckle 222, the limiting boss 112 is also provided on the side wall of the power supply box 1, and the limiting buckle 222 is also provided on the bottom cover 2, and when the bottom cover plate 3 covers the installation hole 21, the limiting boss 112 can be connected with the limiting buckle 222 in a clamping manner, so that the installation stability of the power supply box 1 is improved while the convenience in dismounting of the power supply box 1 is ensured.

It should be noted that, in this embodiment, a groove is formed at the edge of the mounting hole 21 of the bottom cover 2, the limit buckle 222 is disposed in the groove, and when the limit boss 112 is detachably connected with the limit buckle 222, the limit boss 112 can be disposed in the groove, so as to ensure the flatness of the plane of the bottom cover 2 when the bottom cover plate 3 is mounted.

It should be noted that, in the present embodiment, the limiting boss 112 and the limiting buckle 222 are elastic connectors.

It should be noted that, in the present embodiment, the limiting boss 112 and the power box 1 are integrally formed, and the limiting buckle 222 and the bottom cover 2 are integrally formed.

It should be noted that, in this embodiment, as shown in fig. 2, the number of the mounting slots 221 is one, the number of the limiting buckles 222 is two, the two limiting buckles 222 are symmetrically disposed at the edge of the mounting hole 21, the mounting slot 221 is disposed at the edge of the mounting hole 21 and between the limiting buckles 222, when the power box 1 is disposed in the mounting hole 21, the two limiting buckles 222 can keep the stable connection between the power box 1 and the bottom cover 2, the mounting boss 111 in the mounting slot 221 can be abutted against the bottom cover plate 3 when the bottom cover plate 3 is mounted, so as to avoid shaking of the power box 1 in the vertical direction, and a certain gap exists between the mounting boss 111 and the inner wall of the mounting slot 221, so that after the bottom cover plate 3 is dismounted, the mounting boss 111 can be moved upwards through the gap, thereby facilitating the dismounting of the power box 1.

Optionally, the bottom cover 2 is provided with a mounting groove 23, and the mounting hole 21 is positioned on the bottom wall of the mounting groove 23; when the bottom cover plate 3 covers the mounting hole 21, the side wall of the bottom cover plate 3 is used for abutting with the side wall of the mounting groove 23, and the end surface of the bottom cover plate 3 facing the mounting hole 21 is used for abutting with the bottom wall of the mounting groove 23.

In this embodiment, as shown in fig. 2 and 3, the mounting groove 23 is formed on the bottom cover 2, the mounting hole 21 is formed on the bottom wall of the mounting groove 23, when the bottom cover plate 3 covers the mounting hole 21, the side wall of the bottom cover plate 3 is correspondingly abutted with the side wall of the mounting groove 23, and the lower end surface of the bottom cover plate 3 is correspondingly abutted with the bottom wall of the mounting groove 23, so that the flatness of the bottom cover plate 3 during mounting is ensured, the contact area between the bottom cover plate 3 and the bottom cover 2 is increased, and the mounting stability of the bottom cover plate 3 is effectively improved.

In this embodiment, as shown in fig. 2, the bottom wall of the mounting groove 23 is circular, and in other embodiments of the present utility model, a positioning block may be further disposed on the bottom wall of the mounting groove 23 to form a plurality of sub-mounting grooves distributed at intervals, and the end surface of the bottom cover plate 3 corresponds to the concave-convex of the sub-mounting grooves, so as to play a role in positioning when the bottom cover plate 3 is mounted.

Optionally, a plurality of connection buckles 231 are arranged on the bottom wall of the mounting groove 23 along the circumferential interval, openings of the connection buckles 231 are arranged along the circumferential direction of the bottom wall of the mounting groove 23, connection ports 232 are arranged below the connection buckles 231, a plurality of notches 31 are arranged on the edge of the bottom cover plate 3 along the circumferential interval, stop pieces 32 are arranged on the side walls of the notches 31, when the bottom cover plate 3 is arranged in the mounting groove 23, the connection buckles 231 are used for being arranged in the notches 31, the stop pieces 32 enter the connection ports 232, the bottom cover plate 3 is used for rotating around the circumferential direction, so that the stop pieces 32 move to the lower side of the connection buckles 231, and the lower end faces of the connection buckles 231 are in butt joint with the upper end faces of the bottom cover plate 3.

In this embodiment, as shown in fig. 2, 3 and 6, a plurality of connecting buckles 231 are circumferentially arranged on the bottom wall of the mounting groove 23 at intervals, the openings of the connecting buckles 231 are circumferentially arranged along the bottom wall of the mounting groove 23, and a plurality of notches 31 are circumferentially arranged on the edge of the bottom cover plate 3, so that when the bottom cover plate 3 covers the mounting hole 21, the connecting buckles 231 can be correspondingly arranged in the notches 31, and at this time, the bottom cover plate 3 rotates around the circumferential direction, so that one side wall of the notch 31 can enter the openings of the connecting buckles 231, and the bottom cover plate 3 is mounted.

On this basis, connector 232 is arranged below connector 231, and stopper 32 is arranged on the side wall of notch 31, when connector 231 is placed in notch 31, stopper 32 correspondingly enters into connector 232, at this time, bottom plate 3 rotates around the circumference, and only rotates along one direction, so that stopper 32 moves to the below of connector 231 along connector 232, thereby the lower end face of connector 231 is abutted with the upper end face of bottom plate 3, the installation of bottom cover plate 3 is completed, and under the blocking effect of stopper 32, the side wall of connector 232 is abutted with stopper 32 when bottom plate 3 rotates around the opposite direction, and installation dislocation is avoided.

Optionally, the bottom cover 2 is provided with a first connecting hole 24, the bottom cover board 3 is provided with a second connecting hole 33, the first connecting hole 24 is used for corresponding to the second connecting hole 33, and the threaded connecting piece is used for penetrating through the second connecting hole 33 and being installed in the first connecting hole 24.

In this embodiment, as shown in fig. 3, in order to further secure the mounting stability of the bottom cover plate 3, the first connecting hole 24 is provided on the bottom cover 2, the second connecting hole 33 is provided on the bottom cover plate 3, and when the bottom cover plate 3 covers the mounting hole 21, the first connecting hole 24 may correspond to the second connecting hole 33, and the second connecting hole 33 may be installed in the first connecting hole 24 through a threaded connection, so as to realize stable connection between the bottom cover plate 3 and the bottom cover 2.

In this embodiment, the threaded connection member is a screw, and the first connection hole 24 and the second connection hole 33 are threaded holes.

Optionally, the bottom cover plate 3 is provided with a projection 34 on an end surface disposed toward the mounting hole 21, and the projection 34 is for abutting against the power supply box 1.

In this embodiment, as shown in fig. 3, the bump 34 is provided on the end surface of the bottom cover plate 3 facing the mounting hole 21 during mounting, and when the bottom cover plate 3 covers the mounting hole 21, the bump 34 can abut against the power supply box 1 and cooperate with the bottom cover 2 to fix the power supply box 1, so as to ensure the stability of the power supply box 1 during use of the electric pressure cooker.

Optionally, a plurality of heat dissipation holes 35 are provided on the bottom cover plate 3.

In this embodiment, as shown in fig. 3, in order to ensure heat dissipation stability of the housing of the electric pressure cooker in use, a plurality of heat dissipation holes 35 are provided on the bottom cover plate 3.

In another aspect, an embodiment of the present utility model provides an electric pressure cooker, including a power supply and the above-mentioned power supply box fixing structure.

As shown in fig. 1 to 6, the technical effects of the electric pressure cooker in the present embodiment are similar to those of the above-mentioned power box fixing structure, and will not be repeated here.

Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.

Claims (10)

1. A power supply box fixing structure, characterized by comprising:

the power supply box (1) is used for installing a power supply in the power supply box (1);

the power supply box comprises a bottom cover (2), wherein a mounting hole (21) is formed in the bottom cover (2), the power supply box (1) is arranged in the mounting hole (21) and is detachably connected with the bottom cover (2), and the side wall of the power supply box (1) is used for being abutted with the inner wall of the mounting hole (21);

the bottom cover plate (3), bottom cover plate (3) are located the outside of bottom (2), bottom cover plate (3) are used for covering mounting hole (21), and with bottom (2) detachable connection, bottom cover plate (3) be used for with power pack (1) butt.

2. The power supply box fixing structure according to claim 1, wherein a limiting part (11) is arranged on the power supply box (1), a limiting component (22) is arranged on the bottom cover (2), the limiting part (11) is used for being detachably connected with the limiting component (22), and the limiting part (11) is used for being abutted with the bottom cover plate (3).

3. The power box fixing structure according to claim 2, wherein the limiting part (11) comprises at least one mounting boss (111), the limiting component (22) comprises at least one mounting clamping groove (221), the mounting boss (111) is located on the side wall of the power box (1), the mounting clamping groove (221) is located on the bottom cover (2), the mounting boss (111) is used for being placed in the mounting clamping groove (221), and the mounting boss (111) is used for being abutted with the bottom cover plate (3).

4. A power box fixing structure according to claim 3, wherein the limit part (11) further comprises at least one limit boss (112), the limit component (22) further comprises at least one limit buckle (222), the limit boss (112) is located on the side wall of the power box (1), the limit buckle (222) is located on the bottom cover (2), and the limit boss (112) is used for being in clamping connection with the limit buckle (222).

5. The power box fixing structure according to claim 1, wherein a mounting groove (23) is provided on the bottom cover (2), and the mounting hole (21) is located on a bottom wall of the mounting groove (23); when the bottom cover plate (3) covers the mounting hole (21), the side wall of the bottom cover plate (3) is used for being abutted with the side wall of the mounting groove (23), and the end face, facing the mounting hole (21), of the bottom cover plate (3) is used for being abutted with the bottom wall of the mounting groove (23).

6. The power supply box fixing structure according to claim 5, wherein a plurality of connecting buckles (231) are arranged on the bottom wall of the mounting groove (23) at intervals in the circumferential direction, openings of the connecting buckles (231) are arranged along the circumferential direction of the bottom wall of the mounting groove (23), connecting ports (232) are arranged below the connecting buckles (231), a plurality of notches (31) are arranged on the edge of the bottom cover plate (3) at intervals in the circumferential direction, a stop piece (32) is arranged on the side wall of the notch (31), when the bottom cover plate (3) is placed in the mounting groove (23), the connecting buckles (231) are used for being placed in the notch (31), the stop piece (32) enters the connecting ports (232), the bottom cover plate (3) is used for rotating around the circumferential direction, so that the stop piece (32) moves to the lower side of the connecting buckles (231), and the lower end face of the connecting buckles (231) abuts against the upper end face of the bottom cover plate (3).

7. The power box fixing structure according to any one of claims 1 to 6, wherein a first connecting hole (24) is provided on the bottom cover (2), a second connecting hole (33) is provided on the bottom cover plate (3), the first connecting hole (24) is used for corresponding to the second connecting hole (33), and a threaded connector is used for being installed in the first connecting hole (24) through the second connecting hole (33).

8. The power supply box fixing structure according to any one of claims 1 to 6, characterized in that the bottom cover plate (3) is provided with a projection (34) on an end surface provided toward the mounting hole (21), the projection (34) being for abutting with the power supply box (1).

9. The power box fixing structure according to any one of claims 1 to 6, wherein the bottom cover plate (3) is provided with a plurality of heat dissipation holes (35).

10. An electric pressure cooker, characterized by comprising a power source and a power source cartridge fixing structure as claimed in any one of claims 1 to 9.