Cleaning machine

Abstract

The utility model relates to a cleaning machine which comprises a box body and a heating disc, an installation opening is formed in the bottom wall of the box body, the heating disc is arranged at the installation opening, the cleaning machine further comprises a locking piece, and a connecting sleeve arranged around the periphery of the installation opening is arranged at the bottom of the box body. And the locking piece is in threaded connection with the interior of the connecting sleeve, and the top of the locking piece is provided with a pressing part capable of pressing the outer edge of the heating plate against the edge of the mounting opening. The connecting sleeve arranged around the periphery of the mounting opening is arranged at the bottom of the box body, after the heating disc is mounted in the mounting opening, the locking piece is screwed on the connecting sleeve, and the heating disc is positioned by the pressing part at the top of the locking piece, so that the heating disc is convenient to disassemble and assemble, and the heating disc can be positioned by the pressing part due to the uniform acting force of the pressing part on the circumferential direction of the heating disc. The sealing performance of all positions of the heating disc in the circumferential direction is effectively improved, and sealing between the heating disc and the box body is more reliable.

Description

Technical Field

[0001] The utility model relates to the technical field of dishwashers, in particular to a washing machine used for washing tableware, fruits and vegetables. Background Art

[0002] In order to improve the cleaning effect of tableware, at least one water is heated for use in the dishwasher during the cleaning process. At present, most dishwashers heat the washing water by arranging a heating plate at the bottom of the washing chamber.

[0003] For example, Chinese utility model patent ZL 202122467604.5 "A cleaning machine" discloses a structure with a bottom-mounted heating plate. The heating plate of the existing dishwasher is generally connected to the water cup with screws, thereby fixing it on the water cup. With such a structure, the operator is required to align the screws and threaded holes during installation, which makes installation very inconvenient and inconvenient for later disassembly and maintenance. In addition, the locking force near the screws is large, and the locking force away from the screws is relatively reduced, resulting in different compression degrees of the seal in the circumferential direction of the heating plate. After long-term use, as the seal ages, the local sealing effect deteriorates, and water leakage is prone to occur.

[0004] Therefore, for the cleaning machine that the heating plate is currently installed, further improvement needs to be made. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a cleaning machine which is easy to disassemble and assemble and has more reliable sealing in view of the current status of the prior art.

[0006] The technical solution adopted by the utility model to solve the above technical problems is:

[0007] A cleaning machine comprises a box body and a heating plate, wherein a mounting opening is provided on the bottom wall of the box body, the heating plate is arranged at the mounting opening, and further comprises a locking piece, wherein a connecting sleeve arranged around the periphery of the mounting opening is provided at the bottom of the box body, the locking piece is threadedly connected inside the connecting sleeve and a pressing portion is provided on the top thereof for pressing the outer edge of the heating plate against the edge of the mounting opening.

[0008] The utility model provides a connecting sleeve arranged around the periphery of the installation opening at the bottom of the box body. After the heating plate is installed into the installation opening, the locking piece is tightened on the connecting sleeve, and the heating plate is positioned by using the pressing part on the top of the locking piece. Not only is it convenient to disassemble and assemble, but also the force exerted by the pressing part on the circumference of the heating plate is very uniform, which effectively improves the sealing of various parts of the circumference of the heating plate, making the sealing between the heating plate and the box body more reliable.

[0009] Preferably, the locking member comprises an inner sleeve and an outer sleeve which are arranged inside and outside and connected as one body, the top edge of the inner sleeve constitutes the pressing portion, and the outer sleeve is threadedly connected to the connecting sleeve. With the above structure, it is convenient to realize the locking connection of the heating plate through the integrated locking member, and the locking connection of the locking member and the box body.

[0010] Preferably, the inner peripheral wall of the connecting sleeve is provided with an internal thread, and correspondingly, the outer peripheral wall of the outer sleeve is provided with an external thread that can match the internal thread. The above structure is adopted to facilitate the locking connection between the locking member and the bottom of the box body.

[0011] Preferably, the bottom edge of the outer sleeve is also provided with a supporting edge which can be supported on the bottom edge of the connecting sleeve when the outer sleeve is locked with the connecting sleeve. With such a structure, it is convenient to confirm the tightening position of the locking member and improve the assembly reliability between the locking member and the connecting sleeve.

[0012] Preferably, the outer sleeve and the inner sleeve are arranged at intervals and connected by a transversely extending connecting rib, which is located at the top edge of the outer sleeve. With the above structure, it is convenient to make the outer sleeve and the inner sleeve into an integrated structure, and the entire locking member structure can be formed by plastic injection molding, which is convenient for production and manufacturing.

[0013] Preferably, the connecting ribs are arranged radially from inside to outside and from top to bottom. A plurality of reinforcing ribs are arranged circumferentially and spaced apart between the inner circumferential wall of the outer sleeve and the outer circumferential wall of the corresponding inner sleeve. The above structure is conducive to improving the supporting effect of the outer sleeve on the inner sleeve.

[0014] Preferably, the bottom of the box is provided with a mounting sleeve extending downward along the edge of the mounting opening, the middle part of the heating plate is a main body part that can pass through the mounting sleeve and expose its upper surface in the box, the bottom edge of the main body part extends radially outward to form a mounting edge covering the bottom edge of the mounting sleeve, and the pressing part is pressed against the lower surface of the mounting edge. The above structure increases the sealing contact area between the heating plate and the bottom of the box, which is conducive to improving the sealing performance, and provides support for the pressing operation of the pressing part at the top of the inner sleeve on the heating plate, which is conducive to further improving the locking reliability of the pressing part on the heating plate.

[0015] Preferably, a sealing sleeve is sandwiched between the outer circumference of the main body and the inner circumference of the assembly sleeve, and the pressing portion is arranged at the outer edge of the assembly sleeve. This structure is conducive to further improving the sealing performance of the assembly between the heating plate and the installation port.

[0016] Preferably, the lower end of the inner sleeve is located below the lower end of the outer sleeve, and the lower end of the inner sleeve is provided with a plurality of radially arranged spacers, each of which constitutes a gripping portion for a user to grip the locking member to conveniently twist the locking member. The above structural components facilitate operators to twist the locking member, and can also further enhance the supporting strength of the locking member and improve the sealing performance.

[0017] Compared with the prior art, the advantages of the utility model are: the utility model is provided with a connecting sleeve arranged around the periphery of the installation port at the bottom of the box body. After the heating plate is installed into the installation port, the locking piece is tightened on the connecting sleeve, and the heating plate is positioned by using the pressing part on the top of the locking piece. It is not only convenient for disassembly and assembly, but also because the force exerted by the pressing part on the circumference of the heating plate is very uniform, the sealing of various parts of the heating plate in the circumference is effectively improved, and the sealing between the heating plate and the box body is more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the structure of an embodiment of the utility model;

[0019] Figure 2 for Figure 1 Schematic diagram from another angle;

[0020] Figure 3 for Figure 2 Exploded diagram of

[0021] Figure 4 for Figure 1 sectional view of . DETAILED DESCRIPTION

[0022] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0023] like Figures 1 to 4 As shown, the cleaning machine of this embodiment includes a housing 1, a heating plate 2, and a locking member 3. A mounting opening 11 is provided on the bottom wall of the housing 1, and the heating plate 2 is arranged at the mounting opening 11. A connecting sleeve 12 arranged around the periphery of the mounting opening 11 is provided at the bottom of the housing 1. The locking member 3 is threadedly connected to the inside of the connecting sleeve 12 and a pressing portion 30 is provided on the top thereof for pressing the outer edge of the heating plate 2 against the edge of the mounting opening 11.

[0024] The locking member 3 comprises an inner sleeve 31 and an outer sleeve 32 which are arranged inside and outside and connected as one body, the top edge of the inner sleeve 31 forms a pressing portion 30, and the outer sleeve 32 is threadedly connected to the connecting sleeve 12. With the above structure, it is convenient to realize the locking connection of the heating plate 2 and the locking connection of the locking member 3 and the box body 1 through the integrated locking member 3.

[0025] The inner peripheral wall of the connecting sleeve 12 is provided with an internal thread 121, and correspondingly, the outer peripheral wall of the outer sleeve 32 is provided with an external thread 321 that can match the internal thread 121. With the above structure, the locking connection between the locking member 3 and the bottom of the box body 1 is conveniently realized.

[0026] The bottom edge of the outer sleeve 32 is also provided with a support edge 322 that can be supported on the bottom edge of the connecting sleeve 12 when the outer sleeve 32 is locked with the connecting sleeve 12. With such a structure, it is convenient to confirm the tightening position of the locking member 3 and improve the assembly reliability between the locking member 3 and the connecting sleeve 12.

[0027] The outer sleeve 32 and the inner sleeve 31 are arranged at intervals and connected by a transversely extending connecting rib 33, which is located at the top edge of the outer sleeve 32. With the above structure, it is convenient to make the outer sleeve 32 and the inner sleeve 31 into an integral structure, and the entire locking member 3 structure can be integrally formed by plastic injection molding, which is convenient for production and manufacturing.

[0028] The connecting ribs 33 are arranged radially from inside to outside and from top to bottom. A plurality of reinforcing ribs 34 are arranged circumferentially at intervals between the inner circumferential wall of the outer sleeve 32 and the outer circumferential wall of the corresponding inner sleeve 31. The above structure is conducive to improving the supporting effect of the outer sleeve 32 on the inner sleeve 31.

[0029] The bottom of the box body 1 is provided with a mounting sleeve 13 extending downward along the edge of the mounting opening 11. The middle part of the heating plate 2 is a main body part 21 that can pass through the mounting sleeve 13 and expose its upper surface in the box body 1. The bottom edge of the main body part 21 extends radially outward to form a mounting edge 22 covering the bottom edge of the mounting sleeve 13. The pressing part 30 presses on the lower surface of the mounting edge 22. The above structure increases the sealing contact area between the heating plate 2 and the bottom of the box body 1, which is conducive to improving the sealing performance, and provides support for the pressing operation of the top pressing part of the inner sleeve 31 on the heating plate 2, which is conducive to further improving the locking reliability of the pressing part 30 on the heating plate 2.

[0030] An elastic sealing sleeve 4 is sandwiched between the outer circumference of the main body 21 and the inner circumference of the mounting sleeve 13, and the pressing portion 20 is arranged at the outer edge of the mounting sleeve 13. This structure is conducive to further improving the sealing performance of the heating plate 2 and the mounting opening 11.

[0031] The height of the assembly sleeve 13 is greater than the height of the connecting sleeve 12, the upper end of the inner sleeve 31 is located above the upper end of the outer sleeve 32, and the lower end of the inner sleeve 31 is located below the lower end of the outer sleeve 32. The lower end of the inner sleeve 31 is provided with a plurality of radially arranged spacers 311, each of which constitutes a gripping portion for the user to grip the locking member 3 to conveniently twist the locking member 3. The above structural components facilitate the operator to twist the locking member 3, and can also further strengthen the supporting strength of the locking member 3 and improve the sealing performance.

[0032] In this embodiment, a connecting sleeve 12 arranged around the outer periphery of the installation opening 11 is provided at the bottom of the box body 1. After the heating plate 2 is installed into the installation opening 11, the locking piece 3 is tightened on the connecting sleeve 12, and the heating plate 2 is positioned by using the pressing portion 30 on the top of the locking piece 3. This is not only convenient for assembly and disassembly, but also because the pressing portion 30 exerts a uniform force on the circumference of the heating plate 2, the sealing of the heating plate 2 at various locations in the circumference is effectively improved, making the sealing between the heating plate 2 and the box body 1 more reliable.

[0033] In the specification and claims of the present invention, terms indicating directions, such as "front", "rear", "up", "down", "left", "right", "side", "top", "bottom", etc., are used to describe various exemplary structural parts and elements of the present invention, but these terms are used here only for the purpose of convenience of description and are determined based on the exemplary orientations shown in the accompanying drawings. Since the embodiments disclosed in the present invention can be arranged in different directions, these terms indicating directions are only used as explanations and should not be regarded as limitations. For example, "up" and "down" are not necessarily limited to directions opposite to or consistent with the direction of gravity.

Claims

1. A cleaning machine, comprising a housing (1) and a heating plate (2), wherein a mounting opening (11) is provided on a bottom wall of the housing (1), and the heating plate (2) is arranged at the mounting opening (11), characterized in that: It also includes a locking piece (3), the bottom of the box body (1) is provided with a connecting sleeve (12) arranged around the periphery of the installation opening (11), the locking piece (3) is threadedly connected inside the connecting sleeve (12) and the top of the locking piece is provided with a pressing portion (30) capable of pressing the outer edge of the heating plate (2) against the edge of the installation opening (11).

2. The cleaning machine according to claim 1, characterized in that: The locking member (3) comprises an inner sleeve (31) and an outer sleeve (32) which are arranged inside and outside and connected as a whole, the top edge of the inner sleeve (31) constitutes the pressing portion (30), and the outer sleeve (32) is threadedly connected to the connecting sleeve (12).

3. The cleaning machine according to claim 2, characterized in that: The inner peripheral wall of the connecting sleeve (12) is provided with an internal thread (121), and correspondingly, the outer peripheral wall of the outer sleeve (32) is provided with an external thread (321) that can match the internal thread (121).

4. The cleaning machine according to claim 3, characterized in that: The bottom edge of the outer sleeve (32) is also provided with a supporting edge (322) which can be supported on the bottom edge of the connecting sleeve (12) when the outer sleeve (32) and the connecting sleeve (12) are locked.

5. The cleaning machine according to claim 2, characterized in that: The outer sleeve (32) and the inner sleeve (31) are arranged at an interval and are connected via a transversely extending connecting rib (33), wherein the connecting rib (33) is located at the top edge of the outer sleeve (32).

6. The cleaning machine according to claim 5, characterized in that: The connecting ribs (33) are arranged radially and inclined from inside to outside and from top to bottom.

7. The cleaning machine according to claim 5, characterized in that: A plurality of reinforcing ribs (34) arranged at intervals along the circumferential direction are provided between the inner circumferential wall of the outer sleeve (32) and the outer circumferential wall of the corresponding inner sleeve (31).

8. The cleaning machine according to any one of claims 2 to 7, characterized in that: The bottom of the box body (1) is provided with a mounting sleeve (13) extending downward along the edge of the mounting opening (11); the middle part of the heating plate (2) is a main body part (21) that can pass through the mounting sleeve (13) so that its upper surface is exposed in the box body (1); the bottom edge of the main body part (21) extends radially outward to form a mounting edge (22) covering the bottom edge of the mounting sleeve (13); the clamping portion (30) is pressed against the lower surface of the mounting edge (22).

9. The cleaning machine according to claim 8, characterized in that: A sealing sleeve (4) is clamped between the outer circumference of the main body portion and the inner circumference of the assembly sleeve (13), and the pressing portion (30) is arranged at the outer edge of the assembly sleeve (13).

10. The cleaning machine according to any one of claims 2 to 7, characterized in that: The lower end of the inner sleeve (31) is located below the lower end of the outer sleeve (32), and the lower end of the inner sleeve (31) is provided with a plurality of radially arranged spacer ribs (311), each of which constitutes a gripping portion for a user to grip the locking member (3) to facilitate twisting of the locking member (3).

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