A fast-heating electric water heater

Abstract

An instant electric water heater includes a cover, a display, a rotary encoder, a glass window plate, a fixing seat and a knob. The cover in the groove of the cover is provided with a touch button hole, a display window and a mounting hole, and connection holes are provided on both sides of the mounting hole; the glass window plate is provided with a touch area, a display area and a circular plug hole; the fixing seat includes a cylindrical seat, an axial hole, a flange and a fixing seat plate; the glass window plate is embedded in the groove and fixed, the open end of the cylindrical seat passes through the mounting hole and the circular plug hole and extends out, and the screw passes through the connecting hole and is screwed with the screw hole of the fixing seat plate; the rotating shaft of the rotary encoder rotates with the axial hole and extends out of the fixing seat to connect with the knob; the cylindrical seat extends into the countersunk hole of the knob, and the cylindrical seat and the countersunk hole have a clearance fit; the display corresponds to the display window and the display area, and the touch area corresponds to the touch button hole. The setting of the fixing seat and the flange fit with the inner surface of the cover effectively prevent water from entering through the circular plug hole and the mounting hole, thereby protecting the rotary encoder.

Description

Technical Field

[0001] The utility model relates to an instant electric water heater. Background Art

[0002] At present, the existing technology is Chinese patent 201310062844.4, which is an instant electric water heater. The shell is provided with at least a gear knob, and the shell is provided with at least a water flow pipe, an electric heating element and a fluid electric control valve. The electric heating element is energized to heat the water in the water flow pipe, and the fluid electric control valve is used to control the water flow in the water flow pipe. The gear knob is installed with at least two mechanical contact switches. When the gear knob is rotated to different gears, the gear knob outputs several groups of switch state combinations by different combinations of mechanical contact or not with the above mechanical contact switch, thereby realizing the on-off control of heating and water flow, wherein the mechanical contact switch of the circuit of the fluid electric control valve is connected to a delay control unit to delay the circuit of the fluid electric control valve, so as to realize the delayed shut-off control of the water flow of the water heater. The problem is that there is a hidden danger of water leakage at the matching point between the mechanical contact switch and the knob. Utility Model Content

[0003] The utility model aims to provide an instant electric water heater, which has the characteristic of preventing water leakage at the installation position of the rotary encoder on the surface cover.

[0004] The utility model is realized as follows: an instant electric water heater, which is special in that: a groove is provided at the lower part of the cover, the cover in the groove is provided with a touch button hole at the upper part, a display window at the middle part and a mounting hole at the lower part, and connecting holes are provided on both sides of the mounting hole;

[0005] The glass window panel is painted black and has a touch area, display area and round plug-in hole;

[0006] The fixed seat comprises a cylindrical seat with an open end, an axial hole arranged at the closed end, a flange and a fixed seat plate;

[0007] The glass window plate is embedded in the groove and fixed, the fixing seat is arranged in the face cover, the open end of the cylindrical seat passes through the mounting hole and the circular plug-in hole and extends out, the flange fits the face cover, the screw passes through the connecting hole and is screwed into the screw hole of the fixing seat plate; the rotating shaft of the rotary encoder rotates with the shaft hole and extends out of the fixing seat to be connected with the knob; the cylindrical seat extends into the countersunk hole of the knob, and the cylindrical seat and the countersunk hole are gap-matched; the display corresponds to the display window and the display area, and the touch area corresponds to the touch button hole.

[0008] The instant electric water heater is special in that it also includes a sealing ring;

[0009] The flange of the fixing seat is provided with an annular groove surrounding the cylindrical seat;

[0010] The sealing ring is arranged in the annular groove, and the sealing ring is fitted with the face cover.

[0011] The instant electric water heater is special in that: a columnar seat is arranged on the fixed seat plate, and the screw hole extends into the columnar seat.

[0012] The utility model discloses an instant electric water heater. Due to the structure, the setting of the fixing seat and the fitting of the flange with the inner surface of the cover, water is effectively prevented from entering through the circular plug hole and the installation hole, thereby protecting the rotary encoder. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a cross-sectional view of the utility model.

[0014] Figure 2 yes Figure 1 A partial enlarged view of .

[0015] Figure 3 It is a stereogram of the utility model.

[0016] Figure 4 It is one of the three-dimensional exploded views of the utility model.

[0017] Figure 5 This is the second three-dimensional exploded view of the present utility model.

[0018] Figure 6 It is a partial three-dimensional exploded view of the utility model. DETAILED DESCRIPTION

[0019] The embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and cannot be understood as limiting the present invention.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, 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 a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0021] like Figure 1 As shown, an instant electric water heater is characterized by comprising a bottom shell 1, a cover 2, a main control board 3, a display 4, a rotary encoder 5, a glass window plate 6, a fixing seat 7 and a knob 8.

[0022] A groove 21 is provided at the lower part of the cover 2. The cover 2 in the groove 21 is provided with a touch button hole 22 at the upper part, a display window 23 at the middle part and a mounting hole 24 at the lower part. Connection holes 241 are provided at both sides of the mounting hole 24.

[0023] The glass window plate 6 is painted black and is provided with a touch area 61, a display area 62 and a circular plug hole 63;

[0024] The fixing seat 7 comprises a cylindrical seat 71 with an open end, an axial hole 72 provided at a closed end, a flange 73 and a fixing seat plate 74;

[0025] The glass window plate 6 is embedded in the groove 21 and fixed, and the touch area 61, the display area 62 and the circular plug hole 63 indicate that the hole 22, the display window 23 and the mounting hole 24 are opposite respectively; the fixing seat 7 is arranged in the cover 2, the open end of the cylindrical seat 71 passes through the mounting hole 24 and the circular plug hole and extends out, the flange 73 is sealed with the cover 2, and the screw passes through the connecting hole and is screwed with the screw hole of the fixing seat plate 74; the rotating shaft of the rotary encoder 5 is rotatably matched with the shaft hole and extends out of the fixing seat 7 to be connected with the knob 8; the cylindrical seat 71 extends into the countersunk hole 81 of the knob 8, and the cylindrical seat 71 is gap-matched with the countersunk hole; the display 4 corresponds to the display window 23 and the display area 62, the display 4 is embedded with the display window 23 and fits with the display area, and the indicator light is embedded in the indicator light hole 22; the touch area 61 corresponds to the touch button hole 22.

[0026] As a further improvement of the utility model: it also includes a sealing ring 9;

[0027] The flange 73 of the fixing seat 7 is provided with an annular groove 731 surrounding the cylindrical seat 71;

[0028] The sealing ring 9 is arranged in the annular groove 731 , and the sealing ring 9 is in close contact with the surface cover 2 .

[0029] As a further improvement of the present invention, the fixed seat plate 74 is provided with a columnar seat 741, and the screw hole extends into the columnar seat, thereby improving the strength of the fixed seat plate 74.

[0030] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. An instant electric water heater, characterized in that: Includes cover, display, rotary encoder, glass window, mounting base and knob, A groove is provided at the lower part of the cover, and the cover in the groove is provided with a touch button hole at the upper part, a display window at the middle part and a mounting hole at the lower part, and connecting holes are provided on both sides of the mounting hole; The glass window panel is painted black and has a touch area, a display area and a circular plug-in hole; The fixed seat comprises a cylindrical seat with an open end, an axial hole arranged at the closed end, a flange and a fixed seat plate; The glass window plate is embedded in the groove and fixed, the fixing seat is arranged in the face cover, the open end of the cylindrical seat passes through the mounting hole and the circular plug-in hole and extends out, the flange fits the face cover, the screw passes through the connecting hole and is screwed into the screw hole of the fixing seat plate; the rotating shaft of the rotary encoder rotates with the shaft hole and extends out of the fixing seat to be connected with the knob; the cylindrical seat extends into the countersunk hole of the knob, and the cylindrical seat and the countersunk hole are gap-matched; the display corresponds to the display window and the display area, and the touch area corresponds to the touch button hole.

2. The instant electric water heater according to claim 1, characterized in that: Also includes a sealing ring; The flange of the fixing seat is provided with an annular groove surrounding the cylindrical seat; The sealing ring is arranged in the annular groove, and the sealing ring is fitted with the face cover.

3. An instant electric water heater according to claim 1 or 2, characterized in that: The fixed seat plate is provided with a columnar seat, and the screw hole extends into the columnar seat.

Images