Plug assembly and combustion equipment assembly

Abstract

The utility model provides a plug assembly and a combustion equipment assembly. The plug assembly (100) is used for the combustion equipment, the plug assembly (100) comprises plugs (1) and a support (2), the multiple plugs (1) are fixed to the support (2) respectively, the plugs (1) are used for being connected to a connector (A) of the combustion equipment, the plugs (1) are provided with connecting structures (11), and the connecting structures (11) can be connected with the connector (A) in an interference mode. According to the plug, connection between the plug and the combustion equipment connector can be conveniently and rapidly achieved, and water leakage can be prevented.

Description

Technical Field

[0001] The present disclosure relates to the field of combustion equipment, and more particularly, to a plug component and a combustion equipment component. Background Art

[0002] This section aims to provide background information related to understanding the various technologies described herein. As implied by the title of this section, this is in no way to be construed as an admission of prior art. Therefore, any statement in this section should be read from this perspective rather than as an admission of prior art.

[0003] In some combustion equipment products, a separate plug is used for the interface of the combustion equipment, where the interface is used to connect the water pipe or gas pipe in the user's home. In such a plug, due to the loose connection, the plug cannot seal the water, resulting in water leakage during transportation. The carton may be damaged due to water leakage, thus losing the protection for the electrical appliance; the plug is time-consuming in production and is easily lost. In addition, the plug cannot adapt to interfaces with different sizes, especially since the pipe diameters of the connecting pipes for the heating water circuit and the domestic water circuit are different in themselves, that is, due to the different sizes of such interfaces (for example, one is a quarter-inch pipe and the other is a six-inch pipe), the various interfaces of all electrical appliances may be different (in addition, there may also be reasons for tolerances). Therefore, several plugs are required to meet different interface sizes. Summary of the Utility Model

[0004] According to different aspects, the purpose of the present disclosure is to conveniently and quickly achieve the connection between the plug and the interface of the combustion equipment and prevent water leakage.

[0005] In addition, the purpose of the present disclosure is to solve or at least alleviate one or more problems existing in the prior art.

[0006] The present disclosure solves the above problems by providing a plug component and a combustion equipment component. Specifically, according to one aspect of the present disclosure, there is provided:

[0007] A plug component for a combustion equipment, wherein the plug component includes a plug and a bracket, and a plurality of the plugs are respectively fixed on the bracket. The plug is used to engage with the interface of the combustion equipment, and the plug has an engaging structure that can engage with the interface in an interference fit.

[0008] According to another aspect of the present disclosure, the present disclosure provides a combustion equipment component, wherein the combustion equipment component includes a combustion equipment and any one of the above plug components, and the engaging structure engages with the interface of the combustion equipment. Brief Description of the Drawings

[0009] With reference to the accompanying drawings, the above and other features of the present disclosure will become apparent, wherein,

[0010] Figure 1 shows a top view of a plug assembly according to the present disclosure;

[0011] Figure 2 shows a side view of a plug assembly according to the present disclosure;

[0012] Figure 3 shows an enlarged view of the plug of a plug assembly according to the present disclosure; and

[0013] Figure 4 shows a partial schematic view of a combustion device assembly according to the present disclosure. Detailed Description of the Invention

[0014] It is easily understood that according to the technical solution of the present disclosure, without changing the essence of the present disclosure, those of ordinary skill in the art can propose various interchangeable structural forms and implementation manners. Therefore, the following detailed description and the accompanying drawings are only exemplary descriptions of the technical solution of the present disclosure, and should not be regarded as the whole of the present disclosure or as a limitation or restriction on the technical solution of the present disclosure.

[0015] The terms of orientation such as up, down, left, right, front, back, front side, back side, top, bottom, etc. mentioned or possibly mentioned in this specification are defined with respect to the structures shown in the respective drawings, and they are relative concepts. Therefore, they may change accordingly according to their different positions and different usage states. Therefore, these or other terms of orientation should not be construed as restrictive terms. In addition, the terms "first", "second", "third", etc. or similar expressions are only used for descriptive and differentiating purposes, and cannot be understood as indicating or implying the relative importance of the corresponding components.

[0016] Reference Figures 1 to 3 , wherein, Figure 1 shows a top view of a plug assembly according to the present disclosure; Figure 2 shows a side view of a plug assembly according to the present disclosure; and Figure 3 shows an enlarged view of the plug of a plug assembly according to the present disclosure.

[0017] The plug assembly 100 is used for a combustion device. Wherein, the plug assembly 100 includes a plug 1 and a bracket 2. A plurality of (for example, five) plugs 1 are respectively fixed on the bracket 2. The plug 1 is used to engage with the interface A of the combustion device. The plug 1 has an engaging structure 11, and the engaging structure 11 can engage with the interface A in an interference fit.

[0018] It should be understood that in the actual use of the combustion device, the interface of the combustion device is usually connected to the water pipe or gas pipe of the user's home, and the plugging head assembly is not required. However, before actual use, for example, during the final inspection stage of the combustion device, it is necessary to conduct a final inspection on the performance and safety of the combustion device. During this period, operations such as water injection and gas injection are carried out on the combustion device. After the final inspection, there may be residual water remaining in the combustion device. If the interface of the combustion device remains open, then during subsequent packaging and transportation, the water in the combustion device may leak out from the interface, polluting the environment or the packaging itself. In particular, the packaging (such as cardboard packaging) will become soft when it gets wet, reducing or losing the protective effect of the packaging on the combustion device, posing a potential safety hazard to the combustion device itself.

[0019] Based on the above understanding, it can be seen that appropriate measures are needed to ensure that the residual water inside the combustion device does not leak out during the stage before actual use (such as the transportation stage). The plugging head of the plugging head assembly in this technical solution achieves the above purpose by means of its engagement structure to have an interference fit with the interface of the combustion device. Among them, the combustion device should be understood in a broad sense. It can be regarded as a heating device that can heat water, act as a water heater, and can also provide hot water for radiators or floor heating. In this regard, the interface of the combustion device can have different specifications or types to provide hot water (heating water, domestic water, etc.) for different devices. These interfaces can all be conveniently and quickly waterproofly plugged by the plugging head assembly of this solution because the plugging head assembly has multiple plugging heads, and each plugging head can correspond to one of the interfaces. The shapes, sizes, and relative positions of the plugging heads can be flexibly selected. Therefore, by installing the plugging head assembly on the combustion device, each plugging head can be correspondingly engaged into each interface, achieving the waterproof sealing of each interface in one step. In addition, the interface of the combustion device is sometimes also called an Adaptor.

[0020] In this technical solution, the interference fit between the engagement structure and the interface is also defined. Thus, a better sealing performance can be obtained through the interference fit, and it also has advantages such as good centering, large load-bearing capacity, small strength reduction, and good impact resistance. Exemplarily, the interference fit can be constructed by press-fitting or cold-fitting (that is, first making the plugging head shrink by cooling, engaging it into the interface, and naturally forming an interference fit after returning to normal temperature), or hot-fitting. Among them, the press-fitting method is convenient and simple to operate, with rapid action, while the cold-fitting and hot-fitting methods have a relatively tight interference fit. The interference fit can also be achieved through tolerance design. Those skilled in the art can flexibly select the interference amount and the implementation method of the interference fit according to actual needs, such as the requirement for sealing performance.

[0021] In some embodiments of the present disclosure, the joint structure 11 is configured as a solid of revolution, and the multiple joint structures 11 of each plug 1 are arranged in columns and layers, for example, in two or three layers, and have different diameters from each other.

[0022] The joint structure is configured as a solid of revolution, for example, having a circular outer contour, so as to adapt to the shape of the interface of the combustion device (usually a round hole), or be adjusted according to the shape of the interface. This technical solution is specifically designed such that the joint structures of each plug have different diameters from each other. Therefore, it can adapt to interfaces with different sizes, making production and assembly simpler, saving the man-hours for installing the plugs, saving labor costs, and improving production efficiency. That is to say, in the case where the interfaces of various functions of various combustion devices have different sizes, the same plug assembly can be used to achieve an interference fit with the corresponding interface by means of one of the joint structures with different diameters, without the need to prepare multiple plug assemblies of different specifications. Therefore, this solution enables the plug assembly to have greater compatibility and a wider scope of application. In addition, through the layered design, it is relatively easy to achieve an interference fit by means of extrusion with the interface, thereby achieving waterproof sealing.

[0023] It can also be known that the sizes of the joint structures between each plug can also be designed differently (or at least partially differently) because in many combustion devices, the interfaces of different sizes with different functions have a certain arrangement order. For example, the interfaces for heating water (such as for radiators, underfloor heating) of the combustion device have a certain size range, while the interfaces for domestic water (such as for bathing, sink water, laundry water) have another size range. Therefore, the joint structures with different size ranges can be more specifically designed for the plugs at the corresponding positions. Anyway, designing different sizes for the joint structures of each plug improves the scope of application for each interface.

[0024] In addition, the joint structures are arranged in columns and layers, such that after the joint structure with a suitable size is joined with the corresponding interface, the other joint structures in the same column will not affect this joint, nor is it necessary to take any additional treatment means for these joint structures. In this regard, looking along the installation direction from the plug to the interface of the combustion device, the sizes of the joint structures can be arranged from large to small, so that joint structures of various sizes can better play their functions when needed.

[0025] From Figure 2 and Figure 3 it can also be clearly seen that the joint structure 11 is configured with an inclined portion 111, and the inclined portion 111 is disposed to incline outward in a direction opposite to the installation direction from the plug 1 to the interface 2.

[0026] For example, taking Figure 3From the perspective of Figure 3 it is shown as being outward from top to bottom. This design can facilitate the installation process of the engaging structure into the interface and improve the efficiency of the interference fit. The inclined portion can be specifically constructed by chamfering the engaging structure or flanging the engaging structure, etc. The sizes of the inclined portions do not have to be the same. Exemplarily, in one embodiment, the engaging structure with a larger size has a larger inclined portion, and vice versa. In addition, the specific chamfer angle or inclination angle can also be selected according to the assembly process to make the assembly process smoother, reduce resistance, and prevent the surfaces of the engaging structure and the inner wall of the interface from being scratched. Thus, from the perspective of technical purposes and effects, those skilled in the art should also understand that the inclined portion forms a size transition from a small diameter to a large diameter for the engaging structure, and during the installation process of the plug into the interface, it enters the interface from the small-diameter portion of the engaging structure and then the large-diameter portion. Thus, the meaning of the outward inclination can also be understood.

[0027] Returning to Figure 1 and Figure 2 the bracket 2 has a mounting portion 21 and a bending portion 22. The plug 1 is fixed on the mounting portion 21. The bending portion 22 is disposed between the mounting portions 21, and the bracket 2 is elastic so that the bending portion 22 can perform an opening and closing movement.

[0028] The mounting portion is exemplarily configured to be circular to adapt to plugs and interfaces of common shapes. It should be noted that the bending portion indicates that the component is bendable and does not necessarily represent that it is always in a bent state. For example, it can also have a straight state during use. In addition, this technical solution does not mandatorily require a bending portion to be constructed between every two adjacent mounting portions, but only between two adjacent mounting portions. Of course, to improve the stretchability of the entire plug assembly and its position adaptability to the interface, it can be considered to construct a bending portion between every two adjacent mounting portions.

[0029] In this example, the bending part is realized by a waveform structure or an arc structure. Thus, the inward bending or outward expansion of the bending part, that is, the so-called opening and closing movement, is realized in a simple manner. Through the opening and closing movement of the bending part, the positional relationship between the plugs at both ends of the bending part can be adjusted, so that when the positions or distances between the interfaces of the combustion equipment are inconsistent (the reasons include design errors, manufacturing errors, assembly errors, etc.), the plugs can be aligned with the corresponding interfaces in this way, further improving the compatibility and application range of the plug assembly. In addition, the elastic design of the bracket can further support the relative position change between the plugs by bending, and this bending and the position adjustment method brought by the opening and closing movement of the bending part can be different, bringing more changes.

[0030] When necessary, a locking and unlocking structure can also be considered. Among them, in the unlocked state, the bending part can perform the opening and closing movement to align the plug with the interface; in the locked state, the bending part cannot perform the opening and closing movement to maintain the relative position stability of the plug and the interface. In some other embodiments, the elastic coefficient of the bracket can also be determined by material selection and other means, so that it has appropriate elasticity, can perform the opening and closing movement under a certain external force, and maintain the current shape stability when not affected by external force.

[0031] For example, the plug 1 and / or the bracket 2 are made of polyethylene, and the density of the polyethylene is between 0.91 g / cm 3 and 0.93 g / cm 3 It should be understood that polyethylene with this density range can also be called low-density polyethylene (LDPE: Low Density Polyethylene). As a plastic material, low-density polyethylene has many benefits and advantages, including softness and extensibility, durability, transparency, chemical stability, easy processability, electrical insulation, etc. In addition to polyethylene, various elastomers (such as thermoplastic elastomers, ethylene-vinyl acetate elastomers, polyester elastomers, polyolefin elastomers), various rubbers (such as synthetic rubbers, natural rubbers, silicone rubbers), etc. can also be considered and selected specifically according to the application environment and conditions of the plug assembly.

[0032] Combined with Figure 1 and Figure 2It is also possible to see an exemplary bending manner of the bending portion. Among them, the bending portion 22 bends in the width direction of the plugging component 100 and / or in the height direction of the plugging component 100. This technical solution enables the plugging component to better adapt to interfaces of different shapes or sizes, thereby improving its versatility and adaptability. It can also make the plugging component easier to insert or install into the target interface position, reducing the installation difficulty and time, and improving the installation convenience. In addition, in some cases, the plugging component may be subjected to stresses from different directions. By designing the bending portion in the width or height direction, the stress can be dispersed over a larger area, thereby reducing stress concentration and improving the durability and service life of the plugging component. Of course, this technical solution can cover the case where one or some bending portions bend in the width direction, and another or some bending portions bend in the height direction, or can also cover the manner in which the same bending portion bends in both the width direction and the height direction. The bending amplitude can also be comprehensively considered in view of factors such as the applicable range and the occupied space.

[0033] It is also feasible that in the initial state of the plugging component 100, the plugs 1 are arranged in a row with each other, and the bending portion 22 presents a bent state.

[0034] It should be noted that the initial state refers to the state where the plugging component has not been installed on the combustion device and the bending portion has not undergone the opening and closing movement adjustment. In the initial state, this technical solution defines that the bending portion presents a bent state, so that the bending portion can adaptively perform the expansion or closing movement according to the actual position of the interface, and can either expand outward or retract inward, ensuring that the adjustment of the positional relationship between the plugs has greater flexibility and comprehensiveness. In addition, the plugs are arranged in a row because in many combustion devices, for example, due to design specifications and other reasons, their interfaces are arranged in a row. Therefore, this design form has strong pertinence, saves the occupied space, and reduces the cost. In this regard, the bending portion can also be considered to be bent in the height direction to adjust the relative positional relationship between the plugs in the length direction. Of course, it should be understood that according to the interface to be matched or the design specifications of the combustion device itself, the initial positional relationship between the plugs and the bending form of the bending portion can be adjusted accordingly.

[0035] Regarding the specific structure of the plug, in combination with Figure 3 , in some embodiments of the present disclosure, the plug 1 includes a base 12 fixed to the bracket 2 and a pillar 13 mounted on the base 12, and the engaging structure 11 is mounted on the pillar 13, wherein the outermost engaging structure 11 is mounted to and covers the end face of the pillar 13.

[0036] According to this technical solution, the base is fixed on the bracket, providing a stable foundation for the entire plug. The pillar is installed on the base, further enhancing the structural stability and making the plug less likely to shake or shift during use. The outermost joint structure is installed onto and covers the end face of the pillar. Such a design can ensure that when the plug is connected to the interface, a tighter seal is formed. This helps reduce the possibility of leakage, optimize the sealing performance, and improve the sealing effect. In this regard, the other joint structure can be understood as a hollow structure, such as an annular structure. It is also feasible that the entire plug or the plug assembly can be constructed as an integral unit, having high structural stability, simplifying the assembly steps, improving the sealing performance, and facilitating later maintenance.

[0037] Reference Figure 4 , which shows a partial schematic view of a combustion device assembly according to the present disclosure.

[0038] According to another aspect of the present disclosure, the present disclosure also relates to a combustion device assembly, wherein the combustion device assembly includes a combustion device and any one of the above plug assemblies 100, and the joint structure 11 is joined to the interface A of the combustion device.

[0039] Thus, the combustion device assembly of the present disclosure inherits various embodiments of the plug assembly and the corresponding technical effects. Regarding the combustion device itself, it has also been described above and will not be elaborated herein.

[0040] However, it should be understood that the combustion device is a wall-mounted boiler, and the interface A is the inlet or outlet of the water valve of the combustion device. Among them, the wall-mounted boiler is sometimes also called a gas wall-mounted heating furnace, which can meet the heating needs of users and also take into account the hot water bathing function. The wall-mounted boiler usually includes four interfaces of two different specifications, including two interfaces for the inlet and outlet of heating water and two interfaces for the inlet and outlet of domestic water. Each interface is connected to the water pipe of the user's home at one end and to the water valve of the combustion device at the other end. And these four interfaces are usually arranged in a row. Thus, due to the function of the wall-mounted boiler, there may be a risk of residual water leakage after final inspection. Therefore, various plug assemblies of the present disclosure can achieve water sealing with high cost performance. Of course, the plug assembly can also be used in other gas boilers or heating devices.

[0041] It should be understood that all the above preferred embodiments are exemplary rather than restrictive, and all modifications or deformations made by those skilled in the art to the specific embodiments described above under the concept of the present disclosure should be within the legal protection scope of the present disclosure.

Claims

1. A plug component (100) for a combustion device, characterized in that, The plug component (100) includes a plug (1) and a bracket (2). A plurality of the plugs (1) are respectively fixed on the bracket (2). The plug (1) is used to be joined to the interface (A) of the combustion device. The plug (1) has a joining structure (11), and the joining structure (11) can be joined to the interface (A) in an interference fit manner.

2. The plugging component (100) according to claim 1, wherein The joining structure (11) is configured as a solid of revolution. The plurality of joining structures (11) of each plug (1) are arranged in layers in a column, and have different diameters from each other.

3. The plugging component (100) according to claim 1, characterized in that, The joining structure (11) is configured with an inclined portion (111). The inclined portion (111) is arranged to incline outward in a direction opposite to the installation direction of the plug (1) to the interface (2).

4. The plugging component (100) according to claim 1, characterized in that, The bracket (2) has a mounting portion (21) and a bending portion (22). The plug (1) is fixed on the mounting portion (21). The bending portion (22) is arranged between the mounting portions (21), and the bracket (2) has elasticity such that the bending portion (22) can perform an opening and closing movement.

5. The plugging component (100) according to claim 1, characterized in that, The plug (1) and / or the bracket (2) are made of polyethylene, and the density of the polyethylene is between 0.91 g / cm 3 and 0.93 g / cm 3 3 6. The plugging head assembly (100) according to claim 4, characterized in that, The bending portion (22) bends in the width direction of the plug component (100) and / or in the height direction of the plug component (100).

7. The plugging component (100) according to claim 4, characterized in that, In the initial state of the plug component (100), the plugs (1) are arranged in rows with each other, and the bending portion (22) presents a bent state.

8. The plugging component (100) according to claim 2, wherein, The plug (1) includes a base (12) fixed on the bracket (2) and a pillar (13) mounted on the base (12). The joining structure (11) is mounted on the pillar (13). Among them, the outermost joining structure (11) is mounted to and covers the end face of the pillar (13).

9. A combustion equipment component, characterized in that, The combustion device component includes a combustion device and the plug component (100) according to any one of claims 1 to 8. The joining structure (11) is joined to the interface (A) of the combustion device.

10. The combustion equipment assembly according to claim 9, characterized in that, The combustion device is a wall-mounted boiler, and the interface (A) is the water inlet or outlet of the water valve of the combustion device.

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