Exhaust device of sink dishwasher

Abstract

An exhaust device of a sink dishwasher comprises a sink, an exhaust part, an air inlet and outlet part and a fastening air part, the sink comprises a mounting hole, an annular edge plate and an exhaust hole set, the air inlet and outlet part comprises a bottom air inlet cavity, a fixed column base and a top air outlet cavity, and a screw hole is formed in the fixed column base; the fastening air piece comprises an air inlet cavity and an annular seat plate, and an air guide hole and a connecting hole are formed in an end plate of the air inlet cavity; a bottom air inlet cavity is attached to and sealed with a rear wall plate of the water tank, an annular seat plate is attached to the inner surface of the rear wall plate, the air inlet cavity penetrates through a mounting hole and extends into a bottom inlet inner cavity, and a screw penetrates through a connecting hole and is screwed with a screw hole of a fixed column seat; and the upper end of the exhaust part is attached to the annular edge plate in a sealing manner and is communicated with the exhaust hole group. The structure is simple, the installation is convenient, and the shape and the volume of the water tank do not need to be changed; steam generated during drying and disinfection is effectively discharged; the pressure in the water tank is reduced; the water tank is communicated with the outside in a static state and automatically discharges gas in the water tank.

Description

Technical Field

[0001] The utility model relates to a sink dishwasher, in particular to an exhaust device. Background Art

[0002] In the current prior art, Chinese Patent Application for Invention 201710734695.X, in particular to a sink dishwasher with exhaust function. It solves the technical problems such as poor exhaust effect in the prior art. The sink dishwasher with exhaust function includes a box body and a cover plate which are hinged to each other and can be closed to each other. An exhaust assembly is provided on the outer wall of the box body, and the exhaust assembly is communicated with the inside of the box body. The problem is that the structure is complex and the power supply needs to be connected. Summary of the Utility Model

[0003] The purpose of the utility model is to provide an exhaust device for a sink dishwasher, which has the characteristics of automatically exhausting to reduce the pressure in the sink and simple structure.

[0004] The utility model is realized as follows: an exhaust device for a sink dishwasher, which is characterized in that: it includes a sink, an exhaust part, an air inlet and outlet part and a fastening air part.

[0005] The sink includes a mounting hole provided on the rear wall plate, an annular edge plate and an exhaust hole group provided on the annular edge plate.

[0006] The air inlet and outlet part includes a bottom air inlet cavity with a front opening at the lower part, a fixed column seat provided in the bottom air inlet cavity and a top air outlet cavity with a rear opening at the upper part. A screw hole is provided on the fixed column seat.

[0007] The fastening air part includes an air inlet cavity and an annular seat plate. A guide air hole and a connection hole are provided on the end plate of the air inlet cavity.

[0008] The bottom air inlet cavity is hermetically attached to the rear wall plate of the sink, the annular seat plate is hermetically attached to the inner surface of the rear wall plate, the air inlet cavity passes through the mounting hole and extends into the bottom air inlet cavity, and a screw passes through the connection hole and is screwed with the screw hole of the fixed column seat; the exhaust part is communicated with the top air outlet cavity, and the upper end is hermetically attached to the annular edge plate and communicated with the exhaust hole group.

[0009] The exhaust device for a sink dishwasher is characterized in that: an annular groove is provided on the end surface of the bottom air inlet cavity, and an annular sealing ring is further included.

[0010] The annular sealing ring is fitted into the annular groove, and the annular sealing ring is attached to the rear wall plate of the sink.

[0011] The exhaust device for a sink dishwasher is characterized in that: an annular protrusion is provided in the annular groove.

[0012] An annular card slot is provided on one end surface of the annular sealing ring, and a plurality of annular sealing plates are provided on the other end surface.

[0013] The annular card slot is engaged with the annular protrusion, and the annular sealing plate is attached to the rear wall plate.

[0014] For the exhaust device of a sink dishwasher described above, its special feature lies in that: a top annular groove is provided at the upper end of the exhaust member, and a top sealing ring is further included. The top sealing ring is engaged with the top annular groove and attached to the annular edge plate.

[0015] For the exhaust device of a sink dishwasher described above, its special feature lies in that: one side of the intake end of the exhaust member is provided with an inner interface and locking plates at both ends, and locking holes are provided on the locking plates;

[0016] An inner joint pipe and a locking block are provided on the top air outlet cavity,

[0017] An annular sealing gasket is further included,

[0018] The annular sealing gasket is sleeved on the inner interface and inserted into the inner joint pipe, and the locking block is engaged with the locking hole.

[0019] For the exhaust device of a sink dishwasher described above, its special feature lies in that: the outer surface of the inner interface is in the shape of a quadrangular pyramid frustum; the inner cavity of the inner joint pipe is in the shape of a quadrangular pyramid frustum.

[0020] For the exhaust device of a sink dishwasher described above, its special feature lies in that: two air guide holes are provided and arranged left and right, and the fixed column base is arranged between the two air guide holes; clamping grooves are provided on the upper wall plate and the lower wall plate of the air guide holes;

[0021] An exhaust cover with one end open is further included. An air inlet hole group is provided on the cover plate part of the exhaust cover, and two pairs of elastic clamping plates are provided at the open end,

[0022] The elastic clamping plates are engaged with the clamping grooves, and the exhaust cover is embedded and fastened in the air inlet cavity of the airtight member.

[0023] The exhaust device of a sink dishwasher of the present utility model is arranged on the sink, has a simple structure, is convenient to install, and does not need to change the shape and volume of the sink; effectively discharges the steam generated during drying and disinfection; and reduces the pressure in the sink; is communicated with the outside under static conditions and automatically discharges the gas in the sink. Brief Description of the Drawings

[0024] Figure 1 is the perspective view of the present utility model.

[0025] Figure 2 is the cross-sectional view of the present utility model.

[0026] Figure 3 is Figure 2 the partial enlarged view of

[0027] Figure 4 is the perspective view of the present utility model.

[0028] Figure 5 is one of the three-dimensional exploded views of the present utility model.

[0029] Figure 6 is the second three-dimensional exploded view of the present utility model. Detailed implementation manners

[0030] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals represent the same or similar elements or elements with the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model and should not be construed as a limitation of the present utility model.

[0031] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, and it can be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific situations.

[0032] As Figure 1 , Figure 2 shown, an exhaust device of a sink dishwasher includes a sink 1, an exhaust member 2, an air inlet and outlet member 3, and a fastening air member 4.

[0033] The sink 1 includes a mounting hole 11 provided on the rear wall plate, an annular edge plate 12, and an exhaust hole group 13 provided on the annular edge plate 12.

[0034] The air inlet and outlet member 3 includes a bottom air inlet cavity 31 located at the lower front opening, a fixed column seat 32 provided in the bottom air inlet cavity 31, and a top air outlet cavity 33 located at the upper rear opening. A screw hole is provided on the fixed column seat 32.

[0035] The fastening air member 4 includes an air inlet cavity 41 and an annular seat plate 42. A guide air hole 411 and a connection hole 412 are provided on the end plate of the air inlet cavity 41.

[0036] The bottom air inlet cavity 31 is fitted and sealed with the rear wall plate of the water tank 1, the annular seat plate 42 is fitted with the inner surface of the rear wall plate, the air inlet cavity 41 extends into the bottom air inlet cavity 31 through the mounting hole 11, and the screw passes through the connection hole 412 and is screwed with the screw hole of the fixed column seat 32; the exhaust part 2 is communicated with the top air outlet cavity 33, the upper end is fitted and sealed with the annular edge plate 12 and the exhaust hole group 13 is communicated. It is arranged on the rear wall plate of the water tank and cooperates with the annular edge plate 12, and there is a distance from the end of the rear edge plate of the annular edge plate 12, which does not affect the built-in cabinet of the sink dishwasher through the through hole on the table top; when the drying system of the sink dishwasher works, the steam is effectively discharged, and when draining water, negative pressure is prevented from being generated, resulting in difficulty in opening the cover.

[0037] As a further improvement of the present invention: an annular groove 311 is provided on the end surface of the bottom air inlet cavity 31, and an annular sealing ring 5 is further included;

[0038] The annular sealing ring 5 is fitted into the annular groove 311, and the annular sealing ring 5 is fitted and sealed with the outer surface of the rear wall plate of the water tank 1;

[0039] An annular protrusion 312 is provided in the annular groove 311,

[0040] An annular clamping groove 51 is provided on one end surface of the annular sealing ring 5, and a plurality of annular sealing plates 52 are provided on the other end surface;

[0041] The annular clamping groove 51 is fitted with the annular protrusion 312, and the annular sealing plate 52 is fitted with the rear wall plate of the water tank 1; multiple seals are formed, improving the sealing performance.

[0042] As a further improvement of the present invention: a top annular groove 21 is provided at the upper end of the exhaust part 2, and a top sealing ring 6 is further included. The top sealing ring 6 is fitted into the top annular groove 21 and is fitted with the annular edge plate 12.

[0043] As a further improvement of the present invention: one side of the intake end of the exhaust part 2 is provided with an inner interface 22 and locking plates 23 at both ends, and locking holes are provided on the locking plates 23;

[0044] An inner joint pipe 331 and a locking block 332 are provided on the top air outlet cavity 33,

[0045] An annular gasket 7 is further included,

[0046] The annular gasket 7 is sleeved on the inner interface 22 and inserted into the inner joint pipe 331, and the locking block 232 is fitted with the locking hole;

[0047] The outer surface of the inner interface 22 is in the shape of a quadrangular pyramid frustum; the inner cavity of the inner joint pipe 331 is in the shape of a quadrangular pyramid frustum. With such a structure, the assembly is convenient, the sealing ring is prevented from loosening, and the sealing performance is improved.

[0048] As a further improvement of the present utility model: there are two air guide holes 411 which are arranged left and right, and the fixed column base 32 is arranged between the two air guide holes 411; clamping grooves 4111 are arranged on the upper wall plate and the lower wall plate of the air guide hole 411;

[0049] It further includes an exhaust cover 8 with one end open. An air inlet hole group 81 is arranged on the cover plate part of the exhaust cover 8, and two pairs of elastic clamping plates 82 are arranged at the open end.

[0050] The elastic clamping plates 82 are engaged with the clamping grooves 4111, and the exhaust cover 8 is embedded and fastened in the air inlet cavity 41 of the airtight member 4. The area of the exhaust cover 8 is smaller than the area of the air inlet cavity 41, and there is a gap between the open end of the exhaust cover 8 and the bottom plate of the air inlet cavity 41.

[0051] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the claims and their equivalents.

Claims

1. An exhaust device for a sink dishwasher, characterized in that: It includes a water tank, an exhaust component, an air inlet and outlet component, and a fastening air component. The water tank includes a mounting hole provided on the rear wall plate, an annular edge plate, and an exhaust hole group provided on the annular edge plate. The air inlet and outlet component includes a bottom air inlet cavity located at the lower front opening, a fixed column base provided in the bottom air inlet cavity, and a top air outlet cavity located at the upper rear opening. A screw hole is provided on the fixed column base. The fastening air component includes an air inlet cavity and an annular seat plate. Air guide holes and connection holes are provided on the end plate of the air inlet cavity. The bottom air inlet cavity is closely attached and sealed to the rear wall plate of the water tank. The annular seat plate is closely attached to the inner surface of the rear wall plate. The air inlet cavity extends into the bottom air inlet cavity through the mounting hole. A screw passes through the connection hole and is screwed with the screw hole of the fixed column base. The exhaust component is communicated with the top air outlet cavity, and the upper end is closely attached and sealed to the annular edge plate and communicated with the exhaust hole group.

2. The exhaust device of a sink dishwasher according to claim 1, characterized in that: An annular groove is provided on the end surface of the bottom air inlet cavity, and an annular sealing ring is further included. The annular sealing ring is fitted into the annular groove and is closely attached to the rear wall plate of the water tank.

3. The exhaust device of a sink dishwasher according to claim 2, characterized in that: An annular protrusion is provided in the annular groove. An annular card slot is provided on one end surface of the annular sealing ring, and a plurality of annular sealing plates are provided on the other end surface. The annular card slot is fitted with the annular protrusion, and the annular sealing plates are closely attached to the rear wall plate.

4. The exhaust device of a sink dishwasher according to claim 1, characterized in that: A top annular groove is provided at the upper end of the exhaust component, and a top sealing ring is further included. The top sealing ring is fitted into the top annular groove and is closely attached to the annular edge plate.

5. The exhaust device of a sink dishwasher according to claim 1, characterized in that: One side of the intake end of the exhaust component is provided with an inner interface and locking plates at both ends. Locking holes are provided on the locking plates. An inner joint pipe and a locking block are provided on the top air outlet cavity. An annular gasket is further included. The annular gasket is sleeved on the inner interface and inserted into the inner joint pipe, and the locking block is fitted into the locking hole.

6. The exhaust device of a sink dishwasher according to claim 5, characterized in that: The outer surface of the inner interface is in the shape of a quadrangular pyramid frustum; the inner cavity of the inner joint pipe is in the shape of a quadrangular pyramid frustum.

7. An exhaust device for a sink dishwasher according to claim 1, 2, 3, 4, 5 or 6, characterized in that: There are two air guide holes which are arranged left and right, and the fixed column base is arranged between the two air guide holes; clamping grooves are provided on the upper and lower wall plates of the air guide holes. An exhaust cover with one end open is further included. An air inlet hole group is provided on the cover part of the exhaust cover, and two pairs of elastic clamping plates are provided at the open end. The elastic clamping plates are fitted into the clamping grooves, and the exhaust cover is embedded in the air inlet cavity of the fastening air component.

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