Heating pump and dish washing machine

Abstract

The heating pump comprises a pump shell, a heating disc is arranged at one end of the pump shell, the middle of the heating disc extends towards an inner cavity of the pump shell to form a boss, a heating assembly is arranged on the outer circumference of the boss, the heating assembly makes contact with and is connected with the outer circumference of the boss, and a gap is formed between the heating assembly and the side, close to the heating assembly, of the heating disc. The boss extends towards one side of the heating disc, and the heating assembly is fixed on the outer circumference of the boss and is in contact and connection with the outer circumference of the boss, so that on one hand, the heating assembly can be in direct contact with water, the heating efficiency is improved, and on the other hand, due to the fact that the heating assembly is in contact with the boss, the heating efficiency is improved. The heat of the heating assembly can be transmitted to the heating disc through the part in contact with the boss, so that the heating disc can heat the water flow, the contact area of the heating disc and the water flow is large, and the heating efficiency is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of dishwashers, in particular to a heating pump and a dishwasher. Background Art

[0002] As living standards improve and people's pursuit of a higher quality of life continues, dishwashers, a hands-free appliance, have become an essential household appliance. A core component of dishwashers is the heat pump. Traditional heat pumps use an external heating system. Because these external heating tubes don't come into direct contact with the water, heating the water to the desired temperature consumes more energy, affecting heating efficiency. Therefore, there is an urgent need to develop a new heat pump to improve heating efficiency. Utility Model Content

[0003] Based on the technical problems existing in the background technology, the utility model proposes a heating pump and a dishwasher. The heating pipe in the heating device is in direct contact with the water flow, which increases the heating efficiency. The heating pump is smaller in size and does not affect the rotation of the water flow.

[0004] The heating pump proposed in the utility model includes a pump housing, a heating disk is provided at one end of the pump housing, a boss is extended from the middle of the heating disk toward the inner cavity of the pump housing, a heating component is provided on the outer circumference of the boss, and the heating component is in contact with and connected to the outer circumference of the boss.

[0005] Preferably, the heating plate includes the boss and a flat plate portion surrounding the boss, and a gap is provided between the heating assembly and the flat plate portion of the heating plate on one side wall of the inner cavity of the pump casing.

[0006] Preferably, the heating assembly includes a heating tube and connectors connected to both ends of the heating tube, the connectors pass through the heating plate and are fixedly connected to the heating plate, and the heating tube contacts and is connected to the outer circumference of the boss.

[0007] Preferably, at least one protector is further provided on the heating plate, and the protector is connected to the connector via a wire, and the protector is a fuse and / or a thermostat.

[0008] Preferably, the heating tube is connected to the boss by welding.

[0009] Preferably, the pump housing is connected to the heating disk on one side of the heating assembly, a motor is provided on the side of the pump housing away from the heating disk, a water inlet pipe is also provided in the middle of the heating disk, and the water inlet pipe is connected to the inner cavity of the pump housing.

[0010] Preferably, the water inlet pipe is connected to the inner circumference of the boss through a bushing.

[0011] Preferably, a buckle is provided on a side of the heating plate close to the pump housing, and the heating plate is snap-connected to the pump housing via the buckle; a sealing ring is also provided between the pump housing and the heating plate.

[0012] Preferably, a clamping block is provided on a side of the pump housing close to the motor, and a clamping slot is provided on a side of the motor close to the pump housing, and the pump housing is clamped with the clamping slot of the motor through the clamping block.

[0013] The dishwasher provided by the present invention includes the above-mentioned heating pump.

[0014] Beneficial technical effects of the utility model:

[0015] The heating plate of the present invention has a boss extending to one side. By fixing the heating component on the outer circumference of the boss and contacting and connecting with the outer circumference of the boss, on the one hand, the heating component can be directly in contact with water, thereby improving the heating efficiency. On the other hand, since the heating component is in contact with the boss, the heat of the heating component can be transferred to the heating plate through the part in contact with the boss, so that the heating plate can also heat the water flow. The contact area between the heating plate and the water flow is large, thereby further improving the heating efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic structural diagram of the heating device proposed in the present utility model;

[0017] Figure 2 This is a cross-sectional view of the heating device proposed in the present utility model;

[0018] Figure 3 This is a schematic diagram of the structure of the heating component proposed in the present utility model;

[0019] Figure 4 This is a schematic diagram of the structure of the heating pump proposed in the utility model;

[0020] Figure 5 This is a schematic diagram of the explosion of the heating pump proposed in the utility model.

[0021] In the figure: 1-water inlet pipe, 2-heating device, 21-heating plate, 22-protector, 23-heating component, 231-heating tube, 232-connector, 24-boss, 25-clip, 26-wire, 27-flat plate, 3-pump housing, 31-block, 4-motor, 41-clip slot, 5-bushing, 6-sealing ring. DETAILED DESCRIPTION

[0022] The present invention will be further explained below in conjunction with specific embodiments.

[0023] Example 1

[0024] Reference Figure 1 、 Figure 2 、 Figure 4 and Figure 5 The heating pump proposed in the utility model includes a pump casing 3, a heating disk 21 is provided at one end of the pump casing 3, a boss 24 is extended from the middle of the heating disk 21 toward the inner cavity of the pump casing 3, a heating component 23 is provided on the outer circumference of the boss 24, and the heating component 23 is in contact with and connected to the outer circumference of the boss 24.

[0025] In some embodiments of the present invention, the upper end of the pump casing 3 can be an opening, the heating plate 21 covers the opening, the heating plate 21 and the pump casing 3 together form a cavity, and one side surface of the heating plate 21 is exposed to the cavity, thereby contacting the water flow entering the cavity.

[0026] Furthermore, to further enhance heat transfer, the heating plate 21 includes a boss 24 and a flat plate portion 27 surrounding the boss 24. A gap is provided between the heating element 23 and the flat plate portion 27 of the heating plate 21, located on one side of the inner cavity of the pump housing 3. When the heat pump is operating, water can flow through the gap between the heating element 23 and the flat plate portion 27, ensuring more complete contact between the heating element and the water flow, thereby enhancing heat transfer.

[0027] In another example, the heating assembly 23 is fitted with the flat plate portion 27 of the heating plate, saving installation space for the heating assembly 23 .

[0028] The heating plate of the present invention has a boss extending to one side. By fixing the heating component on the outer circumference of the boss and contacting and connecting with the outer circumference of the boss, on the one hand, the heating component can be directly in contact with water, thereby improving the heating efficiency. On the other hand, since the heating component is in contact with the boss, the heat of the heating component can be transferred to the heating plate through the part in contact with the boss, so that the heating plate can also heat the water flow. The contact area between the heating plate and the water flow is large, thereby further improving the heating efficiency.

[0029] Reference Figure 1 and Figure 3 As a preferred solution of this embodiment, the heating assembly 23 includes a heating tube 231 and a connector 232 connected to both ends of the heating tube 231. The connector 232 passes through the heating plate 21 and is fixedly connected to the heating plate 21. The heating tube 231 contacts and is connected to the outer circumference of the boss 24. Regarding the specific connection method between the heating tube 231 and the boss 24, part of the heating tube can be connected to the outer circumference by spot welding; or the entire heating tube can be connected to the outer circumference of the boss by full welding; in addition, the heating tube can also be fixed by a snap-fit structure, and the material of the snap-fit structure at this time needs to have good thermal conductivity.

[0030] In order to avoid the danger of the heating tube burning dry due to lack of water, at least one protector 22 is provided on the heating plate 21. The protector 22 is connected to the connector 232 via a wire 26. The protector can be a fuse or a thermostat or both a fuse and a thermostat.

[0031] In order to improve the stability of the heating tube, the heating tube 231 can be clamped on the boss 24 by interference fit, and can also be fixed on the boss 24 by welding.

[0032] Reference Figure 4 and Figure 5 As a preferred solution of this embodiment, the pump casing 3 is connected to the heating disk 21 on one side of the heating assembly 23, a motor 4 is provided on the side of the pump casing 3 away from the heating disk 21, and a water inlet pipe 1 is also provided in the middle of the heating disk, and the water inlet pipe 1 is connected to the inner cavity of the pump casing 3.

[0033] In order to install the water inlet pipe 1 , the water inlet pipe 1 is connected to the inner circumference of the boss 24 through a bushing.

[0034] As a preferred solution of this embodiment, a snap buckle 25 is provided on the side of the heating plate 21 close to the pump casing 3, and the heating plate 21 is snapped into the pump casing 3 through the snap buckle 25; a sealing ring 6 is also provided between the pump casing 3 and the heating plate 21. The provision of the sealing ring can improve the sealing of the connection between the pump casing 3 and the heating plate 21, and avoid water leakage problems.

[0035] As a preferred solution of this embodiment, a clamping block 31 is provided on the side of the pump housing 3 close to the motor 4, and a clamping groove 41 is provided on the side of the motor 4 close to the pump housing 3. The pump housing 3 is clamped to the clamping groove 41 of the motor 4 through the clamping block 31.

[0036] Example 2

[0037] The dishwasher provided by the present invention includes the heating pump in embodiment 1.

Claims

1. A heating pump, characterized in that include: A pump housing (3) is provided with a heating disk (21) at one end of the pump housing (3), a boss (24) is extended from the middle of the heating disk (21) toward the inner cavity of the pump housing (3), a heating component (23) is provided on the outer circumference of the boss (24), and the heating component (23) is in contact with and connected to the outer circumference of the boss (24).

2. The heat pump according to claim 1, characterized in that The heating disk (21) includes the boss (24) and a flat plate portion (27) surrounding the boss (24), and a gap exists between the heating component (23) and the flat plate portion (27) of the heating disk (21) located on one side wall of the inner cavity of the pump housing (3).

3. The heat pump according to claim 1, characterized in that The heating assembly (23) comprises a heating tube (231) and connectors (232) connected to both ends of the heating tube (231); the connectors (232) pass through the heating disk (21) and are fixedly connected to the heating disk (21); and the heating tube (231) contacts and is connected to the outer circumference of the boss (24).

4. The heating pump according to claim 3, characterized in that At least one protector (22) is also provided on the heating plate (21), and the protector (22) is connected to the connector (232) via a wire (26), and the protector (22) is a fuse and / or a thermostat.

5. The heating pump according to claim 3, characterized in that The heating tube (231) is connected to the boss (24) by welding.

6. The heat pump according to claim 1, characterized in that A motor (4) is provided on the side of the pump housing (3) away from the heating disk (21), and a water inlet pipe (1) is also provided in the middle of the heating disk. The water inlet pipe (1) is communicated with the inner cavity of the pump housing (3).

7. The heating pump according to claim 6, characterized in that The water inlet pipe (1) is connected to the inner circumference of the boss (24) via a bushing.

8. The heating pump according to claim 6, characterized in that A buckle (25) is provided on one side of the heating disc (21) close to the pump housing (3), and the heating disc (21) is snap-connected to the pump housing (3) via the buckle (25); a sealing ring (6) is also provided between the pump housing (3) and the heating disc (21).

9. The heat pump according to claim 6, characterized in that A clamping block (31) is provided on one side of the pump housing (3) close to the motor (4), and a clamping slot (41) is provided on one side of the motor (4) close to the pump housing (3). The pump housing (3) is clamped to the clamping slot (41) of the motor (4) via the clamping block (31).

10. A dishwasher, characterized in that The heat pump comprises the heat pump according to any one of claims 1 to 9.

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