CN212538304U

CN212538304U - Instant heating type electric water heater shell structure and electric water heater

Info

Publication number: CN212538304U
Application number: CN202020866861.9U
Authority: CN
Inventors: 潘森林; 洪宇光; 林辉庆
Original assignee: Ningbo Youerduo Electric Co ltd
Current assignee: Ningbo Youerduo Electric Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-02-12
Anticipated expiration: 2030-05-21

Abstract

The utility model provides an instant heating type electric water heater shell structure belongs to electric water heater technical field, include: the bottom shell comprises a bottom plate, an inner annular wall and a wire clamping column integrally extend upwards along the outer edge of the bottom plate, and the wire threading column is arranged on the front side of the bottom plate and is provided with wire clamping holes in a penetrating manner in the front and at the back; the upper cover, it includes the roof, has outer annular wall along the outside extension of roof downward an organic whole, and interior annular wall laminates and can dismantle the connection with outer annular wall inside and outside, and outer annular wall front side is opened and is equipped with through wires hole, joint hole, and the through wires hole sets up with the card line hole is concentric. The utility model has the advantages of easy assembly and disassembly and low cost.

Description

Instant heating type electric water heater shell structure and electric water heater

Technical Field

The utility model belongs to the technical field of electric water heater, a instant heating type electric water heater shell structure and electric water heater is related to.

Background

The instant electric water heater can quickly heat running water through electronic heating components, and can control water temperature, flow rate, power and the like through a circuit to enable the water temperature to reach the temperature suitable for bathing of a human body, and the instant electric water heater can be started to heat without waiting and usually within seconds.

For example, a chinese patent with application number 201920195234.4 discloses an instant electric water heater shell structure, which includes a mounting plate, wherein a water inlet joint, a water outlet joint, a power panel, a display module, and a liner assembly are fixedly mounted on the mounting plate, the water outlet joint and the water inlet joint are disposed on the left and right sides of the front end of the mounting plate, the power panel is disposed between the water inlet joint and the water outlet joint, the display module is stacked above the power panel, the liner assembly is disposed behind the power panel, and the left and right ends of the liner assembly are respectively communicated with the water outlet joint and the water inlet joint.

However, the casing of the instant electric water heater needs to be sealed by a part of the mounting plate, the structure is relatively complex, the precision requirement and the production cost are high, and the structure is inconvenient to disassemble and assemble.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, proposed: an instant electric water heater shell structure convenient to disassemble and assemble and low in cost and an electric water heater.

The purpose of the utility model can be realized by the following technical proposal: an instant electric water heater housing structure, comprising:

the bottom shell comprises a bottom plate, an inner annular wall and a wire clamping column integrally extend upwards along the outer edge of the bottom plate, and the wire threading column is arranged on the front side of the bottom plate and is provided with wire clamping holes in a penetrating manner in the front and at the back;

the upper cover, it includes the roof, has outer annular wall along the outside extension of roof downward an organic whole, and interior annular wall laminates and can dismantle the connection with outer annular wall inside and outside, and outer annular wall front side is opened and is equipped with through wires hole, joint hole, and the through wires hole sets up with the card line hole is concentric.

As a further improvement, the horizontal evagination of bottom plate is formed with annular spacing boss, and spacing boss is located the interior annular wall outside and upwards supports outer annular wall.

As a further improvement, the annular diversion trench is formed along the horizontal inner concave outside of the inner annular wall, and the diversion hole is upwards formed along the bottom plate bottom surface and is communicated with the diversion trench.

As the utility model discloses a further improvement, card line post embedding through wires hole forward, and card line post evagination is formed with the fender wall that fuses with interior annular wall, keeps off wall and outer annular wall laminating, keeps off the inboard indent of wall front side and is formed with the water conservancy diversion chamber, water conservancy diversion chamber intercommunication guiding gutter.

As a further improvement of the utility model, the outer annular wall is connected with the upper and lower buckles of the inner annular wall.

As a further improvement, the front side of the inner annular wall is openly equipped with a plurality of guide way, and the front side back of the outer annular wall is equipped with a plurality of direction arch, direction arch and guide way one-to-one gomphosis.

As a further improvement of the present invention, the rear side of the inner annular wall is provided with a locking post, and the screw passes through the outer annular wall and the locking post bolt.

The utility model also provides an electric water heater, including foretell instant heating type electric water heater shell structure, still including installing heating member, play water subassembly, the subassembly of intaking on the bottom plate, go out water subassembly, the subassembly of intaking communicates both ends about the heating member respectively, goes out water subassembly, the subassembly of intaking and stretches out a joint hole of upper cover forward respectively.

As a further improvement of the utility model, the subassembly of intaking includes that base, cartridge are equipped with the inhalant canal of intercommunication heating member in the sealed lid of base top in the base, the vertical rotatable pivot that is provided with between base and the sealed lid, pivot overcoat has impeller and magnetic core, the impeller is located inhalant canal and impeller, pivot, the magnetic core can be synchronous revolution under rivers drive, the flow detection circuit board that corresponds with the magnetic core is installed to sealed lid top, the flow detection circuit board can respond to the magnetic core rotational speed and export flow signal, sealed overcoat has the sealing washer and is connected with the base spinner.

As a further improvement, the mounting groove that supplies the embedding of flow detection circuit board is dug to sealed lid top, and the pouring of flow detection circuit board top has the waterproof layer.

Based on the technical scheme, the embodiment of the utility model provides a can produce following technological effect at least:

1. the shell is divided into the bottom shell and the upper cover up and down, and the bottom shell and the upper cover can be detachably connected in a buckling or screwing mode and the like, so that the shell is convenient to disassemble and assemble, and the production cost is low; the bottom shell and the upper cover are respectively provided with the inner annular wall and the outer annular wall, so that the structure strength is high, the elastic deformation is not easy to occur, and parts such as a heating body and the like can be firmly installed on the bottom shell; in addition, the inner annular wall and the outer annular wall are jointed internally and externally, so that the waterproof effect is more ideal.

2. Through setting up guiding gutter and water conservancy diversion hole for the rivers that infiltrate installation clearance between drain pan and the upper cover can follow the outside outflow of water conservancy diversion hole, and then improve water-proof effects.

3. Through keeping off the wall and keeping off the water conservancy diversion chamber on the wall for the rivers that permeate the installation clearance between card line post and the outer annular wall can outwards flow along the water conservancy diversion hole, further improve water-proof effects.

Drawings

Fig. 1 is an exploded view of a preferred embodiment of the present invention.

Fig. 2 is a schematic structural view of the bottom case.

Fig. 3 is a partially enlarged view of a portion a in fig. 2.

Fig. 4 is a schematic structural view of the upper cover.

Fig. 5 is a cross-sectional view of a preferred embodiment of the present invention.

Fig. 6 is a partially enlarged view at B in fig. 5.

Fig. 7 is a partial enlarged view at C in fig. 5.

Fig. 8 is a schematic structural view of a water intake assembly.

In the figure, 100, the bottom shell; 110. a base plate; 111. a limiting boss; 120. an inner annular wall; 121. a diversion trench; 122. a lower buckle; 123. a guide groove; 124. a locking post; 130. A wire clamping column; 131. a wire clamping hole; 140. a flow guide hole; 150. a retaining wall; 151. a flow guide cavity; 160. a long round hole;

200. an upper cover; 210. a top plate; 220. an outer annular wall; 221. a joint bore; 222. threading holes; 223. an upper buckle; 224. a guide projection;

300. a heating body;

400. a water intake assembly; 410. a base; 411. a water inlet channel; 420. a sealing cover; 421. Mounting grooves; 430. a rotating shaft; 440. an impeller; 450. a magnetic core; 460. a flow detection circuit board; 470. a seal ring;

500. and a water outlet assembly.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 7, the instant electric water heater casing structure includes:

the bottom shell 100 comprises a bottom plate 110, an inner annular wall 120 and a thread clamping column 130 integrally extend upwards along the outer edge of the bottom plate 110, and the thread clamping column is arranged on the front side of the bottom plate 110 and provided with a thread clamping hole 131 in a front-back penetrating manner;

the upper cover 200 comprises a top plate 210, an outer annular wall 220 is integrally extended downwards along the outer edge of the top plate 210, the inner annular wall 120 and the outer annular wall 220 are attached inside and outside and are detachably connected, a threading hole 222 and a joint hole 221 are formed in the front side of the outer annular wall 220, and the threading hole 222 and the wire clamping hole 131 are concentrically arranged.

The shell is divided into the bottom shell 100 and the upper cover 200, and the bottom shell 100 and the upper cover 200 can be detachably connected in a buckling or screwing mode and the like, so that the shell is convenient to disassemble and assemble, and the production cost is low; in addition, since the bottom case 100 and the upper cover 200 are respectively provided with the inner annular wall 120 and the outer annular wall 220, the bottom case 100 and the upper cover have high structural strength, are not prone to elastic deformation, and can be firmly provided with components such as the heating body 300; in addition, the inner annular wall 120 and the outer annular wall 220 are bonded to each other to form a waterproof structure.

In order to improve the overall strength, the bottom case 100 and the upper cover 200 may be provided with reinforcing ribs, respectively.

The bottom plate 110 horizontally protrudes to form an annular limiting boss 111, and the limiting boss 111 is located outside the inner annular wall 120 and abuts against the outer annular wall 220. The mounting position between the bottom case 100 and the upper cover 200 can be accurately positioned through the limiting boss 111, the mounting gap is reduced, and the waterproof effect is further improved.

Furthermore, an annular diversion trench 121 is horizontally formed along the outer side of the inner annular wall 120 in a concave manner, a diversion hole 140 is formed upwards along the bottom surface of the bottom plate 110, and the diversion hole 140 is communicated with the diversion trench 121. Through setting up guiding gutter 121 and water conservancy diversion hole 140 for the rivers that permeate the installation clearance between drain pan 100 and the upper cover 200 can outwards flow along water conservancy diversion hole 140, and then improve water-proof effects.

Furthermore, the string-fastening column 130 is inserted into the string-threading hole 222, the string-fastening column 130 protrudes outward to form a blocking wall 150 integrally connected with the inner annular wall 120, the blocking wall 150 is attached to the outer annular wall 220, a flow-guiding cavity 151 is formed in the front side of the blocking wall 150, and the flow-guiding cavity 151 is communicated with the flow-guiding groove 121. Through the baffle wall 150 and the flow guide cavity 151 on the baffle wall 150, the water flow penetrating into the installation gap between the wire clamping column 130 and the outer annular wall 220 can flow outwards along the flow guide hole 140, and the waterproof effect is further improved.

To facilitate the assembly and disassembly of bottom housing 100 and top cover 200, outer annular wall 220 is preferably connected to inner annular wall 120 by upper and lower snap fasteners 122. Specifically, the inner annular wall 120 is circumferentially provided with a plurality of lower clips 122, and the outer annular wall 220 is circumferentially provided with a plurality of upper clips 223 which are correspondingly clipped to the lower clips 122.

Before the upper cover 200 is clamped with the bottom case 100, a water inlet connector, a water outlet connector, a cable and the like are pre-installed on the bottom case 100, so that when the upper cover 200 is installed on the bottom case 100, the upper cover 200 needs to be partially sleeved into the bottom case 100 from front to back, so that the cable passes through the upper cover 200, the water inlet connector and the water outlet connector pass through the connector holes 221, and then the upper cover 200 is clamped with the bottom case 100 in an inclined state.

In order to accurately position the inclined posture of the upper cover 200 before being clamped with the bottom case 100, the front side of the inner annular wall 120 is provided with a plurality of guide grooves 123, the back side of the front side of the outer annular wall 220 is provided with a plurality of guide protrusions 224, and the guide protrusions 224 are correspondingly embedded with the guide grooves 123 one by one. The snap-fit mounting of the upper cover 200 and the bottom case 100 is more labor-saving.

Further, a locking post 124 is provided on the rear side of the inner annular wall 120, and a screw is threadedly engaged with the locking post 124 through the outer annular wall 220. After the upper cover 200 is installed to the bottom case 100 by means of the snap-fit, the upper cover 200 and the bottom case 100 can be further fixed by the locking posts 124, and the installation gap between the upper cover 200 and the bottom case 100 is smaller, so that the waterproof performance is better, and the connection is reliable.

As shown in fig. 1 and 8, the present invention further provides an electric water heater, which includes the above-mentioned instant electric water heater shell structure, and further includes a heating body 300, a water outlet assembly 500 and a water inlet assembly 400 installed on the bottom plate 110, wherein the water outlet assembly 500 and the water inlet assembly 400 are respectively communicated with the left and right ends of the heating body 300, and the water outlet assembly 500 and the water inlet assembly 400 respectively extend forward from a joint hole 221 of the upper cover 200.

Wherein, the bottom plate 110 is provided with a long round hole 160 in a penetrating way, and when the heating body 300 is installed on the bottom plate 110, a screw passes through the long round hole 160 to be connected with the heating body 300. The heating body 300 is more conveniently installed and the installation position can be adjusted along the long circular hole 160.

The water inlet assembly 400 comprises a base 410, a sealing cover 420 inserted on the base 410, a water inlet passage 411 communicated with the heating body 300 is arranged in the base 410, a rotatable rotating shaft 430 is vertically arranged between the base 410 and the sealing cover 420, an impeller 440 and a magnetic core 450 are sleeved outside the rotating shaft 430, the impeller 440 is positioned in the water inlet passage 411, the impeller 440, the rotating shaft 430 and the magnetic core 450 can synchronously rotate under the driving of water flow, a flow detection circuit board 460 corresponding to the magnetic core 450 is arranged above the sealing cover 420, the flow detection circuit board 460 can sense the rotating speed of the magnetic core 450 and output flow signals, and a sealing ring 470 is sleeved outside the sealing cover 420 and is in screwed connection with the base.

That is to say, the water inlet assembly 400 has a flow detection function, and the sealing cover 420 and the base 410 are fixed through a screwing structure, so that the installation is simpler and more convenient and the cost is lower compared with the original screw structure. Specifically, the sealing cover 420 and the base 410 are respectively provided with fan-shaped protrusions, when the two fan-shaped protrusions are dislocated, the sealing cover 420 can move up and down relative to the base 410, and conversely, the fan-shaped protrusions on the base 410 can limit the upward movement of the fan-shaped protrusions of the sealing cover 420, so that the sealing cover 420 is fixed on the base 410.

Wherein, the sealed top of cover 420 is dug and is equipped with the mounting groove 421 that supplies flow detection circuit board 460 embedding, and flow detection circuit board 460 top pouring has the waterproof layer, and the waterproof layer of pouring can also the fixed circuit board except can playing waterproof effect, and then simplifies production technology. The water-repellent layer may be an epoxy layer.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Claims

1. An instant electric water heater shell structure, characterized by, includes:

2. The instant electric water heater housing structure according to claim 1, further comprising: the bottom plate is horizontally and outwards protruded to form an annular limiting boss, and the limiting boss is located on the outer side of the inner annular wall and upwards abuts against the outer annular wall.

3. The instant electric water heater housing structure according to claim 2, further comprising: an annular diversion trench is horizontally formed inwards along the outer side of the inner annular wall, diversion holes are upwards formed along the bottom surface of the bottom plate, and the diversion holes are communicated with the diversion trench.

4. The instant heating type electric water heater outer shell structure of claim 3, characterized in that: the thread blocking column is embedded into the thread hole forwards, a blocking wall which is connected with the inner annular wall into a whole is formed in the outward protruding mode of the thread blocking column, the blocking wall is attached to the outer annular wall, a flow guide cavity is formed in the front side of the blocking wall in the inward concave mode, and the flow guide cavity is communicated with the flow guide groove.

5. The instant electric water heater housing structure according to claim 1, further comprising: the outer annular wall and the inner annular wall are connected in a vertically buckled mode.

6. The instant heating type electric water heater outer shell structure of claim 5, characterized in that: the front side of the inner annular wall is provided with a plurality of guide grooves, the back side of the front side of the outer annular wall is provided with a plurality of guide bulges, and the guide bulges are embedded with the guide grooves in a one-to-one correspondence manner.

7. The instant electric water heater housing structure according to claim 6, further comprising: and a locking column is arranged on the rear side of the inner annular wall, and a screw penetrates through the outer annular wall to be in threaded connection with the locking column.

8. An electric water heater, characterized in that, including the instant heating type electric water heater shell structure of any one of claims 1 to 7, further including a heating body, a water outlet component, a water inlet component mounted on the bottom plate, the water outlet component and the water inlet component are respectively communicated with the left and right ends of the heating body, the water outlet component and the water inlet component respectively extend forward out of a joint hole of the upper cover.

9. The electric water heater according to claim 8, wherein the water inlet assembly comprises a base and a sealing cover inserted on the base, a water inlet channel connected to the heating member is provided in the base, a rotatable shaft is vertically provided between the base and the sealing cover, an impeller and a magnetic core are sleeved on the shaft, the impeller is located in the water inlet channel, the impeller, the shaft and the magnetic core can be driven by water flow to rotate synchronously, a flow detection circuit board corresponding to the magnetic core is installed above the sealing cover, the flow detection circuit board can sense the rotation speed of the magnetic core and output a flow signal, and a sealing ring is sleeved on the sealing cover and is in threaded connection with the base.

10. The electric water heater according to claim 9, wherein an installation groove for inserting the flow detection circuit board is dug above the sealing cover, and a waterproof layer is poured above the flow detection circuit board.