CN211673800U - Heat dissipation assembly and electric cooker - Google Patents

Abstract

The utility model relates to the technical field of kitchen utensils, in particular to a radiating assembly, which comprises a fixed support and a radiating fan arranged on the fixed support, wherein a square groove frame for the radiating fan to be inserted is arranged on the fixed support, a mounting hole is arranged on the radiating fan, an elastic part is connected on the square groove frame, and a clamping block which can be buckled into the mounting hole to fix the radiating fan in the square groove frame is arranged on the end part of the elastic part; the radiating fan of the radiating assembly is installed in the square groove frame in a sliding insertion mode, meanwhile, the elastic part is matched with the clamping block in a self-elastic mode to realize quick fixation of the radiating fan, and the radiating assembly does not need to be assembled by fasteners such as bolts and the like, and has the characteristic of convenient installation and disassembly; the utility model also discloses an electric rice cooker, this electric rice cooker effectively simplifies electric rice cooker's equipment and the process of disassembling through installing this radiator unit additional to can improve equipment, the maintenance speed of electric rice cooker product.

Description

Heat dissipation assembly and electric cooker

Technical Field

The utility model relates to a kitchen utensil technical field, concretely relates to electric rice cooker.

Background

Electric cookers are also known as electric cookers and electric rice cookers. The electric cooker is a cooker which converts electric energy into heat energy, has various heating operation functions of steaming, boiling, stewing and the like on food, and is convenient to use, safe and reliable.

The common electric cooker is mainly composed of a heat radiation component, a coil heating disc, a temperature limiter, a heat preservation switch, a lever switch, a current limiting resistor, an indicator light, a socket and the like.

At present, the heat dissipation assembly of the electric cooker on the market generally adopts a heat dissipation fan to perform direct-blowing heat dissipation, so that the heat transfer element of the circuit board is rapidly cooled, and the existing heat dissipation fan fixing structure generally adopts a connecting piece to fix the fan on a fixing support, for example, a screw or a bolt penetrates through a through hole on the fan to be connected with the fixing support, so that the fan is installed on the fixing support. This structure needs longer installation time, and the installation effectiveness is lower, uses the connecting piece to connect fixedly, also can lead to electric rice cooker's cost great, and when electric rice cooker need maintain, just can maintain the circuit board after needing the unblock screw to take out radiator fan, and this process is extravagant a large amount of repair time.

Disclosure of Invention

The utility model aims at providing a convenient radiator unit of dismouting and have this radiator unit's electric rice cooker.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a heat dissipation assembly, includes the fixed bolster and installs the radiator fan on the fixed bolster, be equipped with the confession on the fixed bolster the square groove frame of radiator fan cartridge, radiator fan is last to have the mounting hole, be connected with the elasticity portion on the square groove frame, have on the elasticity portion tip and can buckle into the mounting hole and fix the fixture block in the square groove frame with radiator fan.

Furthermore, the square groove frame comprises a baffle connected to the top of the fixed support and two U-shaped grooves which are opposite in notch and horizontally arranged on two sides of the baffle, and two sides of the cooling fan can be slidably inserted into the U-shaped grooves.

Furthermore, the elastic part is an elastic plastic sheet with one end integrally connected with the groove edge at the top of the U-shaped groove, and the clamping block is arranged on the bottom surface of the other end of the elastic part.

Furthermore, the baffle is provided with a notch which is convenient for a human hand to break the elastic part.

Furthermore, the fixture block is one of a cylinder, a cone, a regular prism and a cross, and one side of the bottom end of the fixture block, which is close to the inlet of the U-shaped groove, is provided with a chamfer.

Furthermore, the side of the fixed support is provided with a hanging lug which is convenient for a lead of the cooling fan.

Furthermore, the lower part of the fixed support is provided with a rectangular groove which is positioned below the square groove frame and used for installing and fixing the control circuit board and the radiating fins, and the bottom of the baffle is connected with an inclined baffle used for collecting airflow to the surfaces of the radiating fins.

An electric cooker comprises an electric cooker main body, wherein the heat dissipation assembly is arranged on the electric cooker main body.

Furthermore, the electric cooker main body comprises a shell, a coil panel fixed in the middle of the shell, a control circuit board electrically connected with the coil panel, a radiating fin fixed on the control circuit board and located below the radiating fan, and a bottom cover fixed on the shell, wherein the control circuit board is fixed on a fixed support, the fixed support is fixed in the shell, the radiating fin is located on one side, away from the coil panel, of the control circuit board, and at least part of the radiating fan is located above the coil panel.

Furthermore, an air inlet opposite to the air inlet end of the cooling fan is arranged on the bottom cover, and air outlets are arranged on two sides of the bottom cover and one end of the bottom cover far away from the cooling fan.

The utility model discloses following beneficial effect has:

the utility model discloses a radiator fan of radiator unit adopts the mode of slip insert to install in square groove frame, utilizes the self-elastic cooperation fixture block of elastic part to realize radiator fan's quick fixation simultaneously, need not to adopt fasteners such as bolt to assemble, has the convenient characteristics of installation, dismantlement;

the utility model relates to an electricity rice cooker effectively simplifies the equipment of electricity rice cooker and disassembles the process through installing this radiator unit additional to can improve equipment, the maintenance speed of electricity rice cooker product, radiator fan part air supply direct action is in the coil panel top simultaneously, is favorable to the inside circulating gas that forms of electricity rice cooker body to fully take away the heat that accumulates in it, prevents control circuit board high temperature damage.

Drawings

Fig. 1 is an exploded view of a heat dissipation assembly according to the present invention;

FIG. 2 is a schematic perspective view of a fixing bracket;

fig. 3 is a schematic side sectional view of a heat dissipation assembly according to the present invention;

FIG. 4 is a schematic view of the inverted structure of the electric rice cooker of the present invention;

FIG. 5 is a schematic view of the inverted top view of the electric rice cooker of the present invention;

FIG. 6 is a schematic view of a combination structure of the fixing bracket, the heat dissipating fins and the control circuit board;

FIG. 7 is a schematic view of a combination structure of the heat sink assembly, the heat sink fins, and the control circuit board;

FIG. 8 is a schematic structural view of the bottom cover;

in the figure: 1. fixing a bracket; 2. a heat radiation fan; 3. a housing; 4. a coil panel; 5. a control circuit board; 6. a heat dissipating fin; 7. a bottom cover; 11. a square groove frame; 12. an elastic portion; 13. a clamping block; 14. hanging a lug; 15. a rectangular groove; 16. an inclined baffle plate; 17. an elastic fastener; 18. a top block; 21. mounting holes; 71. an air inlet; 72. an air outlet; 73. blocking strips; 111. a baffle plate; 112. a U-shaped groove; 113. a notch; 114. and (6) chamfering.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments so as to more clearly understand the technical idea claimed in the present invention.

As shown in fig. 1-3 the utility model relates to a heat dissipation assembly, include fixed bolster 1 and install radiator fan 2 on fixed bolster 1, be equipped with the confession on the fixed bolster 1 the square groove frame 11 of radiator fan 2 cartridge, radiator fan 2 is last to have mounting hole 21, be connected with elasticity portion 12 on the square groove frame 11, have on the 12 tip of elasticity portion and to buckle into mounting hole 21 and fix radiator fan 2 at the fixture block 13 in square groove frame 11.

The utility model relates to a heat radiation component which is arranged in a cooking appliance to supply air and radiate the internal structure of the cooking appliance, in particular to a heat radiation component used in an electric cooker; the fixing support 1 is fixed inside the electric cooker and used for mounting the control circuit board, and the cooling fan 2 directly supplies air and exchanges heat with the cooling fins on the control circuit board and other parts in the electric cooker.

When the heat dissipation assembly of the utility model is assembled, a user only needs to align the heat dissipation fan 2 with the square groove frame 11 and horizontally insert the heat dissipation fan 2 into the square groove frame until the mounting hole 21 of the heat dissipation fan 2 is just opposite to the fixture block 13, and the fixture block 13 is pressed and buckled into the mounting hole 21 under the elastic action of the elastic part 12, thereby limiting the position of the heat dissipation fan 2 on the square groove frame 11; when the heat dissipation assembly of the utility model is disassembled, a user can horizontally draw out the heat dissipation fan 2 from the square groove frame 11 by breaking the elastic part 12 to separate the fixture block 13 from the mounting hole 21; the utility model relates to a radiator unit has the characteristics that the dismouting is convenient, the structure is firm.

It should be mentioned that the heat dissipation fan 2 in the heat dissipation assembly of the present invention is a heat dissipation fan 2 with a square outer frame, and belongs to a commonly used heat dissipation device, and the four corners of the square outer frame are all provided with mounting holes 21, and the conventional method adopts screws to pass through the mounting holes 21 to fix the heat dissipation fan 2; in the heat dissipation assembly of the present invention, the fitting manner of the square slot frame 11 and the heat dissipation fan 2 is such that the heat dissipation fan 2 can only slide horizontally in the square slot frame 11, and at least two elastic portions 12, preferably two, are correspondingly disposed at the top of the square slot frame 11; utilize two fixture blocks 13 to carry out spacing fixed to two of them mounting hole 21, set up two fixture blocks 13 and regard as the strong point, can prevent that radiator fan 2 from extrudeing square groove frame 11 in square groove frame 11 and causing its horizontal deflection that deformation and can produce.

Preferably, as shown in fig. 1 and 2, the square groove frame 11 includes a baffle plate 111 connected to the top of the fixing bracket 1, and two U-shaped grooves 112 with opposite notches and horizontally arranged on both sides of the baffle plate 111, wherein both sides of the cooling fan 2 are slidably inserted into the U-shaped grooves 112; more specifically, the width of the U-shaped groove 112 is equal to the thickness of the square frame of the heat dissipation fan 2, and the distance between the bottoms of the two U-shaped grooves 112 is equal to the side length of the square frame of the heat dissipation fan 2, so that the heat dissipation fan 2 can slide horizontally in the two U-shaped grooves 112, i.e. the square groove frame 11, when the fixture block 13 is not yet fastened in the mounting hole 21, in addition, the baffle 111 is used for limiting the final insertion position of the heat dissipation fan 2 in the square groove frame 11, and when the heat dissipation fan 2 abuts against the baffle 111, the fixture block 13 can be fastened in the mounting hole 21 just.

Preferably, the elastic part 12 is an elastic plastic sheet with one end integrally connected with the top slot edge of the U-shaped slot 112, and the latch 13 is arranged on the bottom surface of the other end of the elastic part 12; the elastic part 12 is arranged on the top edge of the U-shaped groove 112, so that a user can easily open the elastic part 12 from the upper side outwards, and the operation is convenient.

Preferably, as shown in fig. 2, the top groove edge of the U-shaped groove 112 extends from one end of the U-shaped groove 112 away from the baffle 111 to the middle of the U-shaped groove 112, and the elastic part 12 extends from the middle of the U-shaped groove 112 to the baffle 111; therefore, when the cooling fan 2 is inserted from the end of the U-shaped groove 112 far away from the baffle 111, the cooling fan can be limited by the groove edge of the U-shaped groove 112, and the accurate direction of the cooling fan 2 entering the U-shaped groove 112 is ensured.

It is worth mentioning that the bottom groove edge and the side groove bottom edge of the baffle 111 and the U-shaped groove 112 are integrally connected with the fixing support 1.

Preferably, the baffle 111 has a notch 113 for facilitating the hand to break the elastic part 12; as shown in fig. 1, the two notches 113 are respectively opposite to the free ends of the two elastic parts 12, so that a user can stretch fingers into the notches 113 to upward break the elastic parts 112 to unlock the cooling fan 2, and the notches 113 can be arranged to facilitate the user to disassemble.

Preferably, the latch 13 is one of a cylinder, a cone, a regular prism and a cross, and is preferably a cylinder in this embodiment, and the bottom end of the latch has a chamfer 114 on the side close to the entrance of the U-shaped groove 112 (i.e. the side away from the baffle 111); in the process that the heat dissipation fan 2 is inserted into the square groove frame 11, the top edge of the heat dissipation fan 2 which is inserted first touches the chamfer 114 on the fixture block 13, the user continues to apply force to push the heat dissipation fan 2 into the square groove frame 11, the top edge of the heat dissipation fan 2 jacks the fixture block 13 along the chamfer 114 and goes over the fixture block 13, the fixture block 13 is pressed on the top surface of the heat dissipation fan 2 until the top surface slides to the installation hole 21, the top surface is buckled into the installation hole 21 under the elastic resetting action of the elastic part 12, and as the other side of the fixture block 13 does not have a chamfer, the user can not apply force to pull the heat dissipation fan 2 out of the square groove frame 11 under the condition that the user; the provision of the chamfer 114 simplifies the mounting process of the radiator fan 2 and achieves the purpose of quick mounting by insertion, i.e. fixing.

Preferably, both sides of the fixing bracket 1 are provided with hanging lugs 14, wherein one hanging lug 14 is used for a lead of the cooling fan 2; because control circuit board installs on fixed bolster 1, radiator fan 2 needs the lead wire rather than electric connection, and radiator fan then inserts to square groove frame 11 from the outside of fixed bolster 1, consequently sets up hangers 14 and prescribes a limit to radiator fan 2's lead wire in fixed bolster 11 one side, with the standard the utility model relates to a radiator unit uses the structure in cooking utensil.

Preferably, the hanging lug 14 has an opening opened downward.

Preferably, the lower part of the fixing bracket 1 is provided with a rectangular groove 15 which is positioned below the square groove frame 11 and is used for installing and fixing the control circuit board and the radiating fins, and the bottom of the baffle 111 is connected with an inclined baffle 16 which is used for collecting airflow to the surfaces of the radiating fins; as shown in fig. 3, radiator fan 2's air-out end is towards rectangular channel 15, the utility model relates to a radiator unit uses when cooking utensil, and radiator fan 2 lasts toward the 15 air supplies of rectangular channel, can supply air the heat dissipation to control circuit board and radiating fin, and wherein the air current can strengthen its wind pressure in radiating fin department under baffle 111 and the 16 mass flows effects of oblique baffle, reinforcing the utility model relates to a radiator unit is to radiating fin's cooling effect.

Preferably, the bottom of the fixing bracket 1 is further provided with an elastic fastener 17 for fixing the control circuit board.

Preferably, 1 top both sides of fixed bolster are located 11 both sides departments of square groove frame promptly and are equipped with kicking block 18, 18 cross-sections of kicking block are the cross, utilize kicking block 18 to injectd the utility model relates to a position of installation of radiator unit in cooking utensil ensures the utility model discloses can introduce the air current from the outside smoothly.

The utility model relates to a radiator unit's radiator fan 2 adopts sliding insertion's mode to install in square groove frame 11, utilizes elasticity portion 12 to realize radiator fan's quick fixation from elasticity cooperation fixture block 13 simultaneously, need not to adopt fasteners such as bolt to assemble, has the installation, dismantles convenient characteristics, can improve equipment, the maintenance speed of electricity rice cooker product to practice thrift the device cost.

As shown in fig. 4-8, the utility model also discloses an electric cooker, which comprises an electric cooker main body, wherein the electric cooker main body is provided with the heat dissipation assembly.

The electric cooker main body is provided with the heat dissipation assembly, so that the assembling and disassembling processes of the electric cooker are effectively simplified, and the assembling and maintaining speeds of electric cooker products can be increased.

Preferably, the electric cooker main body comprises a shell 3, a coil panel 4 fixed in the middle of the shell 3, a control circuit board 5 electrically connected with the coil panel 4, a heat dissipation fin 6 fixed on the control circuit board 5 and located below the heat dissipation fan 2, and a bottom cover 7 fixed on the shell 3, wherein the control circuit board 5 is fixed on a fixed support 1, the fixed support 1 is fixed in the shell 3, the heat dissipation fin 6 is located on one side of the control circuit board 5 far away from the coil panel 4, and at least part of the heat dissipation fan 2 is located above the coil panel 4.

Preferably, as shown in fig. 2, the half of the heat dissipation fan 2 is located above the heat dissipation fins 6, and the other half is located above the side of the coil disk 4; the utility model discloses during electric rice cooker in-service use, radiator fan 2 sees through bottom 7 from outside toward the inside air supply of electric rice cooker body, wherein nearly half air current direct action makes its rapid cooling on connecting radiating fin 6 on control circuit board 5, remaining partial air current then blows to coil panel 4 and forms the high-temperature gas that the circulation took away coil panel 4 production to coil panel 4 along its surface (worth mentioning, coil panel 4 heats the electric rice cooker body through direct contact heat transfer, therefore the gaseous heat transfer of inefficiency does not influence its heating performance), in order to prevent to accumulate high heat in the cooker body and damage control circuit board 5.

It should be noted that the main body of the electric cooker should further include the components of the prior art required by the operation of the electric cooker, such as a temperature detector, an outer cover, a cover switch, a cooker body, an operation switch, and a power connection port, and detailed description is omitted here.

Preferably, 5 tops of control circuit board are passed through the fix with screw on fixed bolster 1, 5 bottoms of elastic fastener 17 straining control circuit board, when 5 installations of control circuit board, utilize elastic fastener 17 can realize the quick location of 5 positions of control circuit board, and rethread screw can fix control circuit board 5, has effectively simplified the utility model relates to an electric rice cooker's assembling process.

Preferably, the other remaining lug 14 is used for the lead wire of the temperature detector on the coil disk 4.

Preferably, the bottom cover 7 is provided with an air inlet 71 facing the air inlet end of the cooling fan 2, and air outlets 72 are respectively arranged at two sides of the bottom cover and at one end far away from the cooling fan 2; the external air is discharged from the air outlet 72 through the air inlet 71 to the heat dissipating fins 6 by the heat dissipating fan 2, and the air flowing around the coil disk 4 is discharged from the air outlet 72.

Preferably, the bottom of the inclined baffle 16 is flush with the bottom of the heat dissipation fin 6, and after the airflow for supplying and dissipating heat to the heat dissipation fin 6 runs through the heat dissipation fin 6, the airflow is sent out from the inclined baffle 16 to the lower two sides, flows towards the coil panel 4 along the inner wall of the shell, and is added into the circulating air to flow.

Preferably, the air inlet 71 is a plurality of elongated openings arranged in a matrix.

Preferably, as shown in fig. 8, the air outlet 72 is a plurality of elongated openings, and a barrier 73 is disposed below the air outlet 72 for preventing the air flow from being vertically sent out from the interior of the rice cooker body; the circular gas enters from the two sides of the baffle strips 73 and then is sent out from the air outlet 72, the air outlet trend of the gas flow inside the electric cooker body is limited by the baffle strips 73, the gas flow is prevented from being directly and vertically sent out, the circular flow formed by the electric cooker body is favorably formed, the gas can fully absorb the heat inside the electric cooker body, and therefore the heat dissipation effect is enhanced.

Preferably, the fixing bracket 1 is fixed to the housing 3 by screws.

The utility model relates to an electricity rice cooker effectively simplifies the equipment of electricity rice cooker and disassembles the process through installing this radiator unit additional to can improve equipment, the maintenance speed of electricity rice cooker product, 2 partial air supply direct action of radiator fan do benefit to the inside circulating gas of forming of electricity rice cooker body and fully take away the heat that accumulates in it above the coil panel 4 simultaneously, prevent 5 high temperature damages of control circuit board.

Various other changes and modifications may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such changes and modifications should fall within the scope of the present invention.

Claims (10)

1. A heat dissipation assembly, comprising: including fixed bolster (1) and installing radiator fan (2) on fixed bolster (1), be equipped with the confession on fixed bolster (1) radiator fan (2) cartridge's square groove frame (11), radiator fan (2) are gone up and have mounting hole (21), be connected with elasticity portion (12) on square groove frame (11), have on elasticity portion (12) tip and can buckle into mounting hole (21) and fix radiator fan (2) fixture block (13) in square groove frame (11).

2. The heat dissipation assembly of claim 1, wherein: the square groove frame (11) comprises a baffle (111) connected to the top of the fixed support (1) and U-shaped grooves (112) which are formed in two sides of the baffle (111) in a horizontal mode and are opposite to each other in two notches, and two sides of the cooling fan (2) can be inserted into the U-shaped grooves (112) in a sliding mode.

3. The heat dissipation assembly of claim 2, wherein: the elastic part (12) is an elastic plastic sheet with one end integrally connected with the top groove edge of the U-shaped groove (112), and the clamping block (13) is arranged on the bottom surface of the other end of the elastic part (12).

4. The heat dissipation assembly of claim 2, wherein: the baffle (111) is provided with a notch (113) which is convenient for a person to manually break the elastic part (12).

5. The heat dissipation assembly of claim 2, wherein: the fixture block (13) is cylindrical, conical, regular prism-shaped or cross-shaped, and a chamfer (114) is arranged on one side of the bottom end of the fixture block, which is close to the inlet of the U-shaped groove (112).

6. The heat dissipation assembly of claim 1, wherein: the side of the fixed support (1) is provided with a hanging lug (14) convenient for a lead of the cooling fan (2).

7. The heat dissipation assembly of claim 2, wherein: the lower portion of the fixing support (1) is provided with a rectangular groove (15) which is located below the square groove frame (11) and used for installing and fixing the control circuit board and the radiating fins, and the bottom of the baffle (111) is connected with an inclined baffle (16) used for collecting airflow to the surfaces of the radiating fins.

8. An electric cooker is characterized in that: comprises a rice cooker main body, wherein the heat dissipation assembly as claimed in any one of claims 1 to 7 is arranged on the rice cooker main body.

9. The electric rice cooker as claimed in claim 8, wherein: the electric cooker main body comprises a shell (3), a coil panel (4) fixed in the middle of the shell (3), a control circuit board (5) electrically connected with the coil panel (4), a radiating fin (6) fixed on the control circuit board (5) and located below the radiating fan (2), and a bottom cover (7) fixed on the shell (3), wherein the control circuit board (5) is fixed on a fixing support (1), the fixing support (1) is fixed in the shell (3), the radiating fin (6) is located on one side, away from the coil panel (4), of the control circuit board (5), and at least part of the radiating fan (2) is located above the coil panel (4).

10. The electric rice cooker as claimed in claim 9, wherein: an air inlet (71) which is right opposite to the air inlet end of the cooling fan (2) is arranged on the bottom cover (7), and air outlets (72) are arranged on two sides of the bottom cover and at one end far away from the cooling fan (2).

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