WO2019095760A1

WO2019095760A1 - Base plate assembly, water tank and water heater

Info

Publication number: WO2019095760A1
Application number: PCT/CN2018/101312
Authority: WO
Inventors: 胡楚鑫; 宋江涛; 李光跃; 刘波波; 张楠; 芦真真
Original assignee: 格力电器（武汉）有限公司; 珠海格力电器股份有限公司
Priority date: 2017-11-20
Filing date: 2018-08-20
Publication date: 2019-05-23
Also published as: CN107940760B; CN107940760A

Abstract

Disclosed are a base plate assembly (40), a water tank and a water heater. The base plate assembly (40) comprises a support portion (20), the support portion (20) having a guide structure (22) for guiding a liner (30); and a base (10), with at least one support portion (20) being arranged on the base (10). The technical solution solves the problem in the prior art of the low reliability when assembling and positioning a liner.

Description

Floor plate assembly, water tank and water heater

Technical field

The present invention relates to the field of bottom assembly technology, and in particular to a floor assembly, a water tank and a water heater.

Background technique

In the current production of air-energy water heaters, there is a common problem in the industry: the problem of inaccurate positioning of the liner during assembly. Once the inner casing is not positioned to be offset, the parameters such as the nozzle position and the protruding height will deviate from the original predetermined position, causing defects such as foaming material overflow. In the development of the entire air energy water heater industry, the assembly problem of the liner has always been a major concern.

Summary of the invention

The main object of the present invention is to provide a bottom plate assembly, a water tank and a water heater to solve the problem of low reliability in assembly and positioning of the inner casing in the prior art.

In order to achieve the above object, according to an aspect of the invention, a bottom plate assembly includes a support portion having a guide structure for guiding a liner, and a base on which at least one support portion is disposed.

Further, the support portion is a support plate, and the guide structure has a guide surface.

Further, the guiding structure is a guiding rib.

Further, the number of the support portions is plural, and the plurality of support portions are respectively at different points of the same reference circle.

Further, the guiding surface is inclined with respect to the vertical plane, and the upper end of the guiding surface is close to the center of the base with respect to the lower end of the guiding surface.

Further, the guiding surface is a guiding curved surface.

Further, the support portion has a receiving recess, the bottom end of the inner sleeve is supported in the receiving recess, and the guiding surface is a side wall of the receiving recess.

Further, the support portion has a support section, a receiving section and a crimping section, and the receiving section constitutes a receiving recess.

Further, the support section is provided with a positioning groove, and the base is provided with a positioning protrusion protruding toward the support part, and the positioning protrusion can be engaged in the positioning groove.

Further, the support portion is further provided with a first positioning structure, and the base is further provided with a second positioning structure that is positioned and matched with the first positioning structure.

Further, the first positioning structure is a positioning post, and the second positioning structure is a positioning hole, and the positioning post is inserted into the positioning hole.

Further, the base has an annular structure, and the inner ring surface of the base has a convex rib, and the support portion is provided with a retaining recess corresponding to the shape of the convex rib.

In accordance with another aspect of the present invention, a water tank is provided that includes a floor assembly and a liner, the bladder being disposed on the floor assembly, and the floor assembly being the floor assembly described above.

According to another aspect of the present invention, there is provided a water heater comprising a water tank and an outer casing, the outer casing being sleeved on the outside of the water tank, characterized in that the water tank is the water tank described above.

According to the technical solution of the present invention, the bottom plate assembly is composed of a base and a support portion. The support portion is provided with a guiding structure, and the support portion is fixed on the base. When the inner casing is assembled, the end of the inner liner can be guided at the guiding structure. Under the action, the predetermined position on the support portion can be accurately abutted, and a plurality of support portions can be arranged to limit the assembly position of the inner liner from a plurality of positions, so that the assembly position of the inner liner is uniquely determined, thereby ensuring the positioning of the inner tank assembly. Accurate purpose.

DRAWINGS

The accompanying drawings, which are incorporated in the claims of the claims In the drawing:

Figure 1 shows a schematic structural view of a water heater according to the present invention;

Figure 2 is a schematic enlarged view of the structure of P in Figure 1;

Figure 3 is a schematic view showing the structure of the support portion of the water heater of Figure 1;

Figure 4 shows a bottom view of the support portion of Figure 3;

Figure 5 shows a left side view of the support portion of Figure 3;

Figure 6 shows a top view of the base of the water heater of Figure 1;

Figure 7 shows a cross-sectional view of the base of Figure 6 taken along line A-A.

Wherein, the above figures include the following reference numerals:

10, the base; 11, the groove; 12, the stop surface; 13, the second positioning structure; 14, the rib; 20, the support portion; 21, the connection protrusion; 22, the guiding structure; 221, the guiding surface; a recessed portion; 24, a first positioning structure; 25, a recessed portion; 26, a receiving portion; 27, a crimping portion; 28, a supporting portion; 30, a liner; 40, a bottom plate assembly.

Detailed ways

It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict. The invention will be described in detail below with reference to the drawings in conjunction with the embodiments.

It is to be noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise indicated.

In the present invention, the orientation words such as "up, down, top, and bottom" are generally used in the directions shown in the drawings, or the components themselves are vertical, without being otherwise described. In the vertical or gravity direction; likewise, for convenience of understanding and description, "inside and outside" refer to the inside and outside of the contour of each component, but the above orientation words are not intended to limit the invention.

In order to solve the problem of low reliability of the inner assembly positioning in the prior art, the present invention provides a bottom plate assembly, a water tank and a water heater. The water heater is an air energy water heater, and the water heater includes a water tank and a casing. The water tank includes a bottom plate assembly 40 and a liner 30, and the bottom plate assembly 40 is a bottom plate assembly described below.

A bottom plate assembly as shown in FIGS. 1 to 5 includes a support portion 20 having a guiding structure 22 for guiding the inner casing 30, and a base 10 on which at least one supporting portion 20 is disposed.

Specifically, the bottom plate assembly is composed of two parts, a base 10 and a support portion 20. The support portion 20 is provided with a guiding structure 22, and the support portion 20 is fixed on the base 10. When the inner casing 30 is assembled, the end of the inner casing 30 can be Under the guiding action of the guiding structure 22, the predetermined position on the supporting portion 20 can be accurately abutted, and a plurality of supporting portions 20 can be provided, thereby restricting the assembling position of the inner casing 30 from a plurality of positions, so that the assembling position of the inner casing 30 is made. The only certainty is to achieve the purpose of ensuring accurate positioning of the inner casing 30 assembly.

Optionally, the support portion 20 is a support plate, and the guiding structure 22 has a guiding surface 221 .

Specifically, the support portion 20 is a support plate of a plate-like structure, and the guide structure 22 has a guide surface 221 to make the overall structure simple and convenient for manufacturing. Of course, the guide structure 22 can also be a guide rib.

Alternatively, the number of the support portions 20 is three.

Specifically, the three support portions 20 constitute a triangular structure, which ensures that the three support portions 20 can determine an accurate center, while causing the determined center to coincide with the required center of the circle, so that the central axis of the inner liner 30 can be positive after assembly. For the center of the base 10, the positioning of the inner casing 30 is ensured to be accurate and reliable.

As shown in FIGS. 6 and 7, the base 10 has a circular ring structure.

Specifically, the base 10 itself is provided in a circular ring structure, and the center of the circle is axially coincident with the required center of the circle, so that the installer can easily install the support portion 20, thereby improving assembly efficiency.

Further optionally, all of the support portions 20 are equally spaced on the base 10.

Specifically, the support portions 20 are disposed at equal intervals along the circumference of the base 10 to facilitate the processing of the base 10, reduce the processing difficulty, and reduce the processing cost.

As shown in FIG. 2, the guide surface 221 is disposed obliquely with respect to the vertical plane, and the upper end of the guide surface 221 is close to the center of the base 10 with respect to the lower end of the guide surface 221.

Specifically, the guiding surface 221 is obliquely disposed and the upper end of the guiding surface 221 is closer to the center of the base 10, and the inclined guiding surface 221 facilitates the installation of the inner casing 30. The inclined direction of the guiding surface 221 enables the guiding surface 221 to be opposite to the inner casing 30. The inner casing 30 can be accurately guided to the predetermined position of the support portion 20 along the guide surface 221, thereby improving the installation efficiency of the inner liner 30 and ensuring accurate positioning.

Optionally, the guiding surface 221 is a guiding curved surface. The curved bevel is more advantageous for guiding the installation position of the inner casing 30, and the curved surface makes the inner casing 30 less likely to sway after the installation is completed, thereby ensuring the stability of the overall structure.

As shown in FIG. 2 and FIG. 3, the support portion 20 has a receiving recess 23, and the bottom end of the inner liner 30 is supported in the receiving recess 23, and the guiding surface 221 is a side wall of the receiving recess 23.

Specifically, a part of the support portion 20 itself is bent to form a receiving recess 23, and the receiving recess 23 can accommodate the end of the inner liner 30, so that the end of the inner liner 30 can be stabilized on the support portion 20 to prevent the inner tank 30 from shaking. At the same time, a side wall of the recess 23 is formed to form a guiding surface 221, so that the end of the inner tank 30 smoothly enters the receiving recess 23 under the action of the guiding surface 221, which simplifies the overall structure and reduces the processing difficulty.

Optionally, the support portion 20 has a support section 28, a receiving section 26 and a crimping section 27, and the receiving section 26 constitutes a receiving recess 23.

Specifically, the support portion 20 is bent to form a support section 28, a receiving section 26 and a crimping section 27, and the end of the support section 28 abuts on the lower cover plate to support the inner tank 30 and other components, and the receiving section 26 is the accommodating recess 23, and the crimping section 27 is connected to the base 10 as a connecting portion of the support portion 20 and the base 10 to ensure the reliability of the connection between the support portion 20 and the base 10. Of course, the support portion 20 can also be bent to form other portions.

As shown in FIG. 3 to FIG. 7 , a matching concave and convex structure is disposed between the base 10 and the support portion 20 , and the support portion 20 is provided with a positioning groove. The base 10 is provided with a positioning protrusion, and the positioning protrusion can be engaged with the positioning protrusion. The positioning groove forms a firm snap-fit structure between the base 10 and the support portion 20 to ensure the reliability of the connection, and the support portion 20 is flexibly adjusted, the installation line of sight is completely unobstructed, the positioning is easier, and the assembly efficiency is also improved. higher.

Optionally, the support portion 20 is further provided with a first positioning structure 24, and the base 10 is further provided with a second positioning structure 13 that is positioned and matched with the first positioning structure 24.

Specifically, the support portion 20 is provided with a first positioning structure 24, and the base 10 is provided with a corresponding second positioning structure 13. The first positioning structure 24 and the second positioning structure 13 can cooperate with each other to form a mutual limit, so that the support The portion 20 can be uniquely and accurately mounted on the base 10 to facilitate installation by the installer and improve installation efficiency.

Further, the first positioning structure 24 is a positioning post, and the second positioning structure 13 is a positioning hole, and the positioning post is inserted into the positioning hole.

Specifically, the positioning post protrudes toward the base 10, and the positioning hole can receive the positioning post, so that the positioning post can be inserted into the positioning hole, and a plurality of positioning posts are disposed on one supporting portion 20, further defining the supporting portion 20 The mounting position on the base 10 ensures the accuracy of the installation. Of course, the first positioning structure 24 can also be provided as a hook, which facilitates the connection while achieving the positioning function, and does not need to be connected by an additional screw.

Further, the base 10 has an annular structure, and the inner ring surface of the base 10 has a rib 14 on the surface, and the support portion 20 is provided with a retaining recess 25 corresponding to the shape of the rib 14 .

Specifically, the base 10 has an annular structure such that the base 10 cooperates with the structure of the inner casing to reduce the overall volume of the water heater. The inner surface of the base 10 is provided with a rib 14 , and the rib 14 is a convex arc structure. Correspondingly, an arc-shaped retaining recess 25 is disposed on the support portion 20 , and the two cooperate with each other, so that the installer is installed. When the support portion 20 and the base 10 are supported, the relative positions between the support portion 20 and the base 10 can be initially defined by the structure of the rib 14 and the retaining recess portion 25, which facilitates installation by the installer and improves work efficiency.

In the particular embodiment illustrated in Figures 3 to 5, the orthographic projection of the support portion 20 on the base plate assembly includes a first side adjacent the support section 28 and a second side adjacent the crimp section 27, and first The side and the second side have the same radius of curvature.

Specifically, the support portion 20 has a first side and a second side, and since the inner tank of the water tank is generally circular, the support portion 20 is disposed in a structure having a certain curvature, and the first side and the second side The radius of curvature of the sides is the same, and correspondingly, the base 10 is also provided with a ring having the same radius of curvature, so that the support portion 20 can be mounted and fixed on the base 10.

In addition, in the specific embodiment shown in FIG. 1 and FIG. 2, the bottom plate assembly 40 further includes a bottom foot and a lower cover plate, and the lower cover plate is disposed at the bottom of the base 10 and the support structure of the support portion 20, and the bottom foot is a plurality of legs are disposed between the lower cover and the ground and the height of the lowest portion of the foot is lower than the height of the lower cover, and the bottom of the base 10 and the support portion 20 can be connected through the lower cover while The lower part of the water heater is closed to prevent foreign matter from invading from the lower part of the water heater. The bottom foot serves as a support structure for the water heater as a whole, so that the water heater and the bottom surface are kept at a certain distance to facilitate the handling and maintenance of the water heater.

Optionally, the base 10 is provided with a recess 11 for receiving the outer casing, and the groove wall of the recess 11 serves as a stop surface 12 to prevent the outer casing from slipping off.

Specifically, a groove 11 is provided on the base 10, and part or all of the hook of the outer casing can be accommodated in the groove 11 to achieve preliminary positioning of the outer casing, while one side groove wall of the groove 11 serves as a stop outer casing. The stop surface 12 enables surface contact between the outer casing and the base 10 to form a face seal, enhancing the seal between the two, so that the water heater can better perform the subsequent foaming process. Of course, an additional seal can be added between the outer casing and the base 10 for sealing.

Further optionally, the stop face 12 is disposed obliquely with respect to the bottom surface of the recess 11 for guiding when the housing is mounted.

Specifically, the stop surface 12 is disposed obliquely with respect to the bottom of the groove 11, so that the stop surface 12 can guide the installation of the outer casing, facilitating the installation of the installer, and improving the installation efficiency.

Optionally, the supporting portion 20 is provided with a connecting protrusion 21 protruding toward the base 10, the connecting protrusion 21 is engaged with the outer casing hook, and the connecting protrusion 21 forms a crimping space with the groove wall of the groove 11.

Specifically, the supporting portion 20 is provided with a connecting protrusion 21 that cooperates with the groove 11 of the base 10. The space between the groove 11 and the connecting protrusion 21 is a crimping space, and the connecting protrusion 21 can extend into the outer casing. The hooks of the hooks enable the support portion 20 and the hooks to be snapped together, further ensuring the reliability of the connection of the outer casing to the support portion 20 and the base 10, while there is only one degree of freedom between the outer casing and the base 10 and the support portion 20. So that the positioning between the three is only accurate.

From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:

1. The problem of inaccurate assembly positioning of the liner 30 in the prior art is effectively solved;

2, assembly positioning is more convenient, improve positioning accuracy and production and installation efficiency;

3. Simple structure and low manufacturing cost.

It is apparent that the embodiments described above are only a part of the embodiments of the invention, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts shall fall within the scope of the present invention.

It is to be noted that the terminology used herein is for the purpose of describing particular embodiments, and is not intended to limit the exemplary embodiments. As used herein, the singular " " " " " " There are features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or order. It is to be understood that the data so used may be interchanged where appropriate, so that the embodiments of the present application described herein can be implemented in a sequence other than those illustrated or described herein.

The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.

Claims

A base plate assembly, comprising:

a support portion (20) having a guiding structure (22) for guiding the inner liner (30);

The base (10) is provided with at least one of the support portions (20) on the base (10).
The base plate assembly according to claim 1, wherein the support portion (20) is a support plate, and the guide structure (22) has a guide surface (221).
The base plate assembly of claim 1 wherein said guide structure (22) is a guide rib.
The bottom plate assembly according to claim 1, wherein the number of the support portions (20) is plural, and the plurality of the support portions (20) are respectively at different points of the same reference circle.
The base plate assembly according to claim 2, wherein the guide surface (221) is inclined with respect to a vertical plane, and an upper end of the guide surface (221) is opposite to a lower end of the guide surface (221) Near the center of the base (10).
The base plate assembly according to claim 2, wherein the guide surface (221) is a guide curved surface.
The bottom plate assembly according to claim 2, wherein the support portion (20) has a receiving recess (23), and a bottom end of the inner casing (30) is supported in the receiving recess (23) And the guiding surface (221) is a side wall of the receiving recess (23).
The floor assembly according to claim 7, wherein the support portion (20) has a support portion (28), a receiving portion (26) and a crimping portion (27), and the receiving portion (26) The accommodating recess (23) is formed.
The bottom plate assembly according to claim 8, wherein the supporting portion (28) is provided with a positioning groove, and the base (10) is provided with a positioning convex protruding toward the supporting portion (20). a post, the positioning stud can be snapped into the positioning groove.
The bottom plate assembly according to any one of claims 1 to 9, wherein the support portion (20) is further provided with a first positioning structure (24), and the base (10) is further provided with The first positioning structure (24) positions the mated second positioning structure (13).
The bottom plate assembly according to claim 10, wherein the first positioning structure (24) is a positioning post, the second positioning structure (13) is a positioning hole, and the positioning post is inserted in the positioning. Inside the hole.
The bottom plate assembly according to any one of claims 1 to 9, wherein the base (10) has an annular structure, and the inner ring surface of the base (10) has a rib (14). The support portion (20) is provided with a retaining recess (25) adapted to the shape of the rib (14).
A water tank comprising a bottom plate assembly (40) and a liner (30), the inner liner (30) being disposed on the bottom plate assembly (40), wherein the bottom plate assembly (40) is claim 1 The floor assembly of any of 12 .
A water heater comprising a water tank and an outer casing, the outer casing being sleeved on the outside of the water tank, wherein the water tank is the water tank according to claim 13.