阅读说明：本技术 一种储物盒预埋安装结构、储物盒组件、冰箱 (Pre-buried mounting structure of storage box, storage box subassembly, refrigerator ) 是由 陈小平 周翔 李之龙 李利伟 于 2020-05-11 设计创作，主要内容包括：本发明提供一种储物盒预埋安装结构,包括固定座；所述固定座预埋于家电门体的门胆背离家电箱体的一侧,以形成家电门体一侧的密封结构；所述固定座设有用以与储物盒转动连接的连接部；所述连接部与门胆的凹陷部侧壁设有的第二通槽位置相匹配；所述连接部或储物盒穿过第二通槽,所述连接部与所述储物盒可转动连接,以使得储物盒可相对门胆转动。本发明还提供一种储物盒组件及冰箱。本发明提供的一种储物盒预埋安装结构,固定座结构简单,安装稳固,安装的储物盒可自储物盒与固定座的转动连接处进行转动,使储物盒相对门胆进行运动并呈一定角度打开。本发明结构巧妙,设计合理,便于家电领域推广应用。(The invention provides a storage box pre-embedded mounting structure, which comprises a fixed seat; the fixed seat is pre-embedded at one side of the door liner of the household appliance door body, which is far away from the household appliance box body, so as to form a sealing structure at one side of the household appliance door body; the fixed seat is provided with a connecting part which is used for being rotationally connected with the storage box; the connecting part is matched with a second through groove arranged on the side wall of the recess part of the door liner; the connecting part or the storage box penetrates through the second through groove, and the connecting part is rotatably connected with the storage box so that the storage box can rotate relative to the door liner. The invention also provides a storage box assembly and a refrigerator. The storage box pre-buried mounting structure provided by the invention has the advantages that the fixing seat is simple in structure and stable in mounting, and the mounted storage box can rotate from the rotating connection position of the storage box and the fixing seat, so that the storage box moves relative to the door liner and is opened at a certain angle. The invention has the advantages of ingenious structure and reasonable design, and is convenient for popularization and application in the field of household appliances.)

1. A storage box pre-buried mounting structure comprises a fixed seat (100); the household appliance door body sealing structure is characterized in that the fixing seat (100) is pre-embedded at one side, away from the household appliance box body, of the door liner (300) of the household appliance door body so as to form a sealing structure at one side of the household appliance door body;

the fixed seat (100) is provided with a connecting part (1111) which is used for being rotationally connected with the storage box (200); the connecting part (1111) is matched with a second through groove (311) arranged on the side wall of the concave part (310) of the door liner (300); the connecting part (1111) or the storage box (200) penetrates through the second through groove (311), and the connecting part (1111) is rotatably connected with the storage box (200) so that the storage box (200) can rotate relative to the door liner (300).

2. The pre-buried mounting structure of storage box of claim 1, wherein after the fixing base (100) is pre-buried in one side of the door liner (300), the fixing base (100) covers the back of the side wall of the second through groove (311) formed in the recess (310) to cover the second through groove (311), so as to form a sealing structure on one side of the household appliance door body.

3. The storage box pre-buried mounting structure of claim 1, wherein the fixing seat (100) is provided with a groove (111), and the connecting portion (1111) is disposed in the groove (111).

4. The storage box pre-buried mounting structure of claim 3, wherein the groove (111) is formed in the first sidewall (110) of the fixing seat (100); the first side wall (110) abuts against the back face of the side wall of the recess (310) to cover the second through groove (311).

5. The storage box pre-buried mounting structure of claim 3, wherein the number of the grooves (111) is at least two; the two connecting parts (1111) are respectively arranged in the two grooves (111).

6. The storage box pre-buried mounting structure of claim 1, wherein the fixing seat (100) is magnetically attracted to the storage box (200) towards a part of the side wall of the door liner (300), so that the storage box (200) is fixed on the door liner (300).

7. The storage box pre-buried mounting structure of claim 6, wherein the fixing seat (100) is provided with a magnet (130); the magnet (130) corresponds to the iron piece (230) arranged on the storage box (200).

8. The storage box pre-buried mounting structure according to claim 7, wherein the fixing base (100) is of a bent structure and further comprises a second side wall (120); the second side wall (120) is provided with a fixing structure (121) for mounting the magnet (130).

9. The storage box pre-embedding mounting structure according to claim 8, wherein the fixing structure (121) comprises at least two buckling structures (1211) forming opposite buckling forces.

10. The storage box pre-buried mounting structure of claim 9, wherein the fixing structure (121) further comprises a first through slot (1212) for receiving the magnet (130); at least two buckling structures (1211) forming opposite buckling force are respectively arranged on two side walls of the first through groove (1212).

11. The storage box pre-embedding mounting structure of claim 10, wherein an inner contour of the first through groove (1212) wraps an outer contour of the magnet (130).

12. The storage box pre-burying mounting structure as claimed in any one of claims 1-11, wherein said connecting portion (1111) is a shaft hole; one side of the connecting part (1111), which faces the second through groove (311), is opened; the opening of the connecting part (1111) is provided with two clamping protrusions (11111) for clamping the connecting shaft (220) of the storage box (200).

13. A magazine assembly, characterized by comprising a magazine (200), a holder (100) according to any one of claims 1 to 12; the storage box (200) is arranged in the concave part (310) of the door liner (300) and is rotatably connected with the fixed seat (100).

14. A refrigerator comprising a storage compartment assembly as claimed in claim 13.

Technical Field

The invention relates to the technical field of household appliances, in particular to a storage box pre-embedded mounting structure, a storage box assembly and a refrigerator.

Background

The storage box is used for storing articles, is applied to various household electrical appliances, and is usually arranged on a household electrical appliance door body for storing small articles. For refrigeration household electrical appliances, in order to keep warm, the household electrical appliance door body can set up the foaming layer usually, and the one side that the household electrical appliance door body is close to the household electrical appliance box body is the door courage, and current storing box is installed in the one side of the door courage of the household electrical appliance door body through fastener or buckle structure usually. These mounting structures fix the storage box for the storage box is whole can not the relative household electrical appliances door body motion.

Disclosure of Invention

In order to overcome the defects of the prior art, the invention provides a storage box pre-buried installation structure which is used for installing a storage box, the fixing seat is simple in structure and stable in installation, the installed storage box can rotate from the rotating connection position of the storage box and the fixing seat, and then the storage box rotates in a door liner and is opened at a certain angle, and foaming is not caused to overflow from a second through groove arranged on the door liner.

In order to achieve the above object, the present invention is achieved by the following technical solutions.

The invention provides a storage box pre-embedded mounting structure, which comprises a fixed seat; the fixed seat is pre-embedded at one side of the door liner of the household appliance door body, which is far away from the household appliance box body, so as to form a sealing structure at one side of the household appliance door body; the fixed seat is provided with a connecting part which is used for being rotationally connected with the storage box; the connecting part is matched with a second through groove arranged on the side wall of the recess part of the door liner; the connecting part or the storage box penetrates through the second through groove, and the connecting part is rotatably connected with the storage box so that the storage box can rotate relative to the door liner.

Preferably, the fixing seat is pre-buried in behind the door courage one side, the fixing seat covers the lateral wall back that the recess was equipped with the second logical groove to cover the second and lead to the groove, form the seal structure of household electrical appliances door body one side.

Preferably, the fixing seat is provided with a groove, and the connecting part is arranged in the groove.

Preferably, the groove is arranged on the first side wall of the fixed seat; the first side wall abuts against the back face of the side wall of the recessed portion to close the second through groove.

Preferably, the number of the grooves is at least two; the two connecting parts are respectively arranged in the two grooves.

Preferably, the fixing seat is magnetically attracted to the storage box towards a local side wall of the door liner, so that the storage box is fixed on the door liner.

Preferably, the fixed seat is provided with a magnet; the magnet corresponds to the iron part arranged on the storage box.

Preferably, the fixing seat is of a bent structure and further comprises a second side wall; the second side wall is provided with a fixing structure for mounting a magnet.

Preferably, the fixing structure comprises at least two snap structures forming opposite snap forces.

Preferably, the fixing structure further comprises a first through groove for accommodating the magnet; at least two buckling structures forming opposite buckling forces are respectively arranged on two side walls of the first through groove.

Preferably, the inner contour of the first through slot wraps the outer contour of the magnet.

Preferably, first notches are arranged on two sides of the buckling structure.

Preferably, the connecting part is a shaft hole; one side of the connecting part facing the second through groove is provided with an opening; the connecting part opening part is provided with a clamping bulge which is used for clamping the storage box connecting shaft.

The second purpose of the invention is to provide a storage box assembly, which comprises a storage box and the fixing seat; the storage box is arranged in the concave part of the door liner and is rotatably connected with the fixed seat.

A third object of the present invention is to provide a refrigerator including the storage box assembly as described above.

Compared with the prior art, the invention has the beneficial effects that:

the storage box pre-embedded mounting structure comprises a fixing seat, wherein the fixing seat is mounted on one side, away from a household appliance box body, of a door liner, the fixing seat is mounted before the household appliance door body is assembled, and the fixing seat is pre-embedded in the household appliance door body, so that the surface tidiness of the door liner cannot be influenced. In addition, because the fixing base is pre-buried in the seal structure of forming household electrical appliances door body one side behind door courage one side, the fixing base seals the second through-groove that is used for supplementary installation storing box on the door courage promptly, can not lead to the flash from second through-groove because of the foaming. Simultaneously, fixing base simple structure, the installation is firm, and the storing box of installation can rotate from the rotation junction of storing box and fixing base, and then the one end of storing box can move the door courage of the household electrical appliances door body relatively, is certain angle and opens. Avoid direct rotation to connect on the door courage to the intensity of door courage is not enough to make the frequent opening or closing of storing box of rotation connection structure support of door courage, in addition, avoids offering on the door courage and need the die sinking again for the structure of being connected with the fixing base rotation, causes manufacturing cost's increase. The invention has the advantages of ingenious structure and reasonable design, and is convenient for popularization and application in the field of household appliances.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood and to be implemented according to the content of the description, the following detailed description is given with reference to the preferred embodiments of the present invention and the accompanying drawings. The detailed description of the present invention is given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without limiting the invention. In the drawings:

FIG. 1 is a schematic perspective view of a mounting base according to the present invention;

FIG. 2 is a first view illustrating a partial structure of the mounting base of the present invention;

FIG. 3 is an exploded view of a local structure of a door body of a home appliance according to the present invention;

fig. 4 is a sectional view of a partial structure of a door body for home appliances according to the present invention;

fig. 5 is a partial schematic structural diagram of the mounting base of the present invention.

In the figure:

10. a household appliance door body;

100. a fixed seat; 110. a first side wall; 111. a groove; 1111. a connecting portion; 11111. clamping the bulges; 120. a second side wall; 121. a fixed structure; 1211. a buckle structure; 12111. a buckling part; 12112. a receiving part; 1212. a first through groove; 1213. a first notch; 130. a magnet;

200. a storage box; 220. a connecting shaft; 230. an iron member;

300. a door liner; 310. a recessed portion; 311. a second through slot.

Detailed Description

The foregoing and other objects, features, aspects and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, which will enable those skilled in the art to practice the present invention with reference to the accompanying specification. In the drawings, the shape and size may be exaggerated for clarity, and the same reference numerals will be used throughout the drawings to designate the same or similar components. In the following description, terms such as center, thickness, height, length, front, back, rear, left, right, top, bottom, upper, lower, and the like are used based on the orientation or positional relationship shown in the drawings. In particular, "height" corresponds to the dimension from top to bottom, "width" corresponds to the dimension from left to right, and "depth" corresponds to the dimension from front to back. These relative terms are for convenience of description and are not generally intended to require a particular orientation. Terms concerning attachments, coupling and the like (e.g., "connected" and "attached") refer to a relationship wherein structures are secured or attached, either directly or indirectly, to one another through intervening structures, as well as both movable or rigid attachments or relationships, unless expressly described otherwise.

The present invention will be further described with reference to the accompanying drawings and the detailed description, and it should be noted that any combination of the embodiments or technical features described below can be used to form a new embodiment without conflict.

Example 1

As shown in fig. 1, 3 and 4, the present invention provides a storage box pre-embedded mounting structure, which includes a fixing base 100; the fixing seat 100 is pre-embedded at one side of the door liner 300 of the household appliance door body 10, which is far away from the household appliance box body, so as to form a sealing structure at one side of the household appliance door body; the fixing base 100 is provided with a connecting part 1111 for rotationally connecting with the storage box 200; the connecting part 1111 is matched with the second through groove 311 arranged on the side wall of the concave part 310 of the door liner 300; wherein the content of the first and second substances,

the connecting portion or the storage box passes through the second through groove 311, the connecting portion 1111 is rotatably connected with the outer wall of the storage box 200, that is, the connecting portion 1111 is rotatably connected with the storage box 200 through the second through groove 311, so as to install the storage box 200, so that the storage box 200 can rotate relative to the door liner 300 in the door liner 300, and the storage box 200 can rotate relative to the door liner 300.

In an embodiment, after the fixing base 100 is pre-embedded in the side of the door liner 300 of the household appliance door body 10 away from the household appliance cabinet body, the fixing base 100 covers the back surface of the side wall of the second through groove 311 disposed in the recessed portion 310 to cover the second through groove 311, so as to form a sealing structure on one side of the household appliance door body, so as to prevent the foaming material from overflowing from the second through groove 311 of the door liner 300 during subsequent foaming.

In one embodiment, the two connection portions 1111 are respectively disposed on two sides of the back surface of the recess portion 310 of the door core 300, and two side walls of the recess portion 310 are respectively provided with a second through groove 311 corresponding to the two connection portions 1111, so as to allow the connection portions 1111 to be rotatably connected to the connection shaft 220 of the storage box 200.

In one embodiment, the two connecting portions 1111 are located on one side of the back surface of the recess 310 of the door bladder 300; the connecting shaft 220 of the storage box 200 is disposed at the bottom end of the box body 210 of the storage box 200 and deviates from the opening end of the storage box 200. At this time, the opening end of the storage box 200 is farthest from the rotational connection point of the storage box 200 and the fixing base 100, and the distance from the opening end of the storage box 200 to the door liner 300 can be maximized. A second through slot 311 is formed on a side wall of the recess 310, and the two connection portions 1111 are rotatably connected to the two connection shafts 220 of the storage box 200. Or, two second through grooves 311 are disposed on a side wall corresponding to the recessed portion 310, and correspond to the two connecting portions 1111 respectively. When the connecting shaft 220 is located at the bottom end of the box body 210 of the storage box 200, the storage box 200 is opened, that is, the open end of the box body 210 rotates relative to the connecting shaft formed by the two connecting shafts 220 at the bottom end, the open end of the box body 210 is gradually far away from the door liner 300, further, the open end of the box body 210 can only rotate a certain angle relative to the corresponding connecting shaft due to the limit of the inner wall of the concave part 310 of the door liner 300, and finally the storage box 200 is opened at a certain angle. According to the requirement, the distance from the end of the connecting shaft 220 of the storage box 200 to the bottom end of the box body 210 and the specific position of the storage box 200 in the recess 310 of the door liner 300 can be adjusted to adjust the opening angle of the storage box 200. In an embodiment, as shown in fig. 1 and fig. 3, a groove 111 is disposed on a side of the fixing base 100 facing the second through-slot 311, and the connection portion 1111 is disposed in the groove 111. The connecting shaft 220 of the storage box 200 extends into the groove 111 through the second through-slot 311 of the door liner 300, and is rotatably connected with the connecting portion 1111.

Further, the groove 111 is disposed on the first sidewall 110 of the fixing base 100; the first sidewall 110 abuts against the back surface of the sidewall of the recess 310 to close the second through-groove 311. That is, the two connecting portions 1111 are located on the same side of the back surface of the recess 310 of the door bladder 300. The first side wall 110 of the fixing seat 100 with the groove 111 can abut against the back of the side wall of the recess 310 of the door liner 300 with the second through groove 311, and the groove 111 corresponds to the second through groove 311, so that the storage box 200 is connected with the fixing seat 100 in a rotating manner, and the first side wall 110 of the fixing seat 100 separates the second through groove 311 of the door liner 300 from the foaming layer to seal the second through groove 311.

In one embodiment, the number of the grooves 111 is at least two. Furthermore, the number of the grooves 111 is two, and the two connecting portions 1111 are respectively disposed in the two grooves 111. Further, the first sidewall 110 having the groove 111 is provided with a second notch 112 to separate the two grooves 111, so that the sidewalls respectively provided with the grooves 111 abut against the back surfaces of the sidewalls of the recess 310 having the second through-groove 311, thereby reducing the requirement for the machining accuracy of the first sidewall 110 during the production of the fixing base 100.

Further, the outer contour of the second through-slot 311 of the door liner 300 covers the outer contour of the groove 111, and the groove 111 is completely exposed outside through the second through-slot 311, so that the subsequent installation of the storage box 200 is facilitated.

In one embodiment, as shown in fig. 3, a portion of the fixing base 100 facing the sidewall of the door core 300 is magnetically attracted to the storage box 200, so that the storage box 200 is fixed on the door core 300. Specifically, the fixing base 100 is provided with a magnet 130; the magnet 130 corresponds to the iron member 230 provided in the storage box 200. Further, the iron member 230 is disposed on an outer wall of the storage box 200 facing away from the household appliance box. When the storage box 200 is opened, the connecting part of the box body 210 of the storage box 200 relative to the storage box 200 and the fixed seat 100 rotates, after the outer surface of the door liner 300 is far away, and after articles are taken and placed, external force causes the storage box 200 to be close to the door liner 300, and meanwhile, the magnetic force attraction acting force of the magnet 130 and the iron piece 230 promotes the storage box 200 to be close to the door liner 300, so that the effect of assisting the storage box 200 to reset is achieved. In addition, the magnet 130 and the iron member 230 attract each other to make the storage box 200 firmly abut against the inner wall of the recess 310 of the door liner 300, so that the storage box 200 can be installed in the recess 310 only by rotating the storage box 200 and the fixing base 100.

In an embodiment, as shown in fig. 1 and 3, the fixing base 100 is a bent structure, and further includes a second sidewall 120; the second side wall 120 is provided with a fixing structure 121 for mounting the magnet 130.

The first sidewall 110 is connected to the second sidewall 120, and abuts against two outer walls of the back of the recess 310 of the door bladder 300. The connection between the first sidewall 110 and the second sidewall 120 forms a bending portion of the fixing base 100, which can improve the sealing effect of the fixing base 100 on the second through-slot 311 of the door liner 300 to a certain extent.

In one embodiment, as shown in fig. 1 and 2, the fixing structure 121 includes at least two fastening structures 1211 for forming opposite fastening forces to fasten the magnet 130 for mounting and dismounting the magnet 130, and the magnet 130 is easy to mount and dismount. Further, the number of the fastening structures 1211 is two, and the fastening structures are opposite to each other and respectively fasten two sides of the magnet 130.

Further, the fixing structure 121 further includes a first through slot 1212 for accommodating the magnet 130; at least two fastening structures 1211 forming a fastening force are respectively disposed on two sidewalls of the first through groove 1212. The two fastening structures 1211 with opposite fastening forces are used for fastening the magnet 130 accommodated in the first through groove 1212 to the back of the recess 310 of the door liner 300, and the magnet 130 is directly attached to the side of the door liner 300 away from the storage box 200, so that the obstacles between the magnet 130 and the iron member 230 fixed on the storage box 200 are reduced, and the attraction between the magnet 130 and the iron member 230 is improved.

In an embodiment, the inner contour of the first through groove 1212 wraps the outer contour of the magnet 130, and the inner contour of the first through groove 1212 matches the outer contour of the magnet 130 in shape and size to limit the movement of the magnet 130 in the circumferential direction, so as to improve the mounting firmness of the magnet 130.

In one embodiment, the first notches 1213 are disposed on two sides of the fastening structure 1211. Furthermore, the fastening structures 1211 include fastening portions 12111 and receiving portions 12112, the fastening portions 12111 of the two fastening structures 1211 respectively fasten the outer wall of the magnet 130 away from the door bladder 300, and the receiving portions 12112 of the two fastening structures 1211 respectively abut against the outer walls of the two sides of the magnet 130 opposite to each other, so as to fasten the magnet 130. The two first notches 1213 are disposed on two sides of the receiving portion 12112, so that the deformation difficulty of the snap structure 1211 is reduced when the snap structure 1211 is used to assemble and disassemble the magnet 130. The first notches 1213 on both sides of the two fastening structures 1211 can be the same or different. In an embodiment, the length of the first notch 1213 on both sides of one of the locking structures 1211 is smaller than the length of the first notch 1213 on both sides of the other locking structure 1211, so that the two locking structures 1211 deform differently when the magnet 130 is assembled and disassembled, thereby facilitating the assembly and disassembly of the magnet 130 and ensuring the locking force of the two locking structures 1211 on the magnet 130.

In one embodiment, as shown in FIG. 5, the connection portion 1111 is a shaft hole. One side of the connection portion 1111 facing the second through slot 311 is open; the opening of the connecting portion 1111 is provided with a locking protrusion 11111 for locking the connecting shaft 220 of the storage box 200. The connecting shaft 220 of the storage box 200 is clamped into the connecting part 1111 from the opening of the connecting part 1111, and the clamping protrusion 11111 in the connecting part 1111 clamps the connecting shaft 220, so that the connecting shaft 220 of the storage box 200 cannot be separated from the connecting part 1111 under the condition of no external force; the storage box 200 is detachably connected with the fixing seat 100, so that the storage box 200 can be conveniently repaired or replaced.

In one embodiment, the fixing base 100 abuts against each outer surface of one end of the back surface of the recess 310. Generally, the outer contour of the door liner 300 of the household appliance door body 10 is rectangular, one end of the back surface of the recessed portion 310 of the door liner 300 includes four outer walls, and the fixing seat 100 includes four side walls to respectively abut against the four outer walls of the back surface of the recessed portion 310, so that the fixing seat 100 forms an abutting force with a certain force, the back surface of the recessed portion 310 is clamped into the fixing seat 100, and the installation firmness of the fixing seat 100 and the door liner 300 is improved.

Example 2

The invention provides a storage box assembly, which comprises a storage box 200 and the fixing seat 100; the storage box 200 is disposed in the recess 310 of the door liner 300 and rotatably connected to the fixing base 100. A gap is formed between the bottom of the storage box 200 and the recess 310 of the door liner 300, so that the storage box 200 can rotate relative to the rotational connection between the storage box 200 and the fixing base 100.

In one embodiment, the storage box 200 is snap-fit into the recess 310 of the door bladder 300, such that the storage box 200 is removably coupled into the recess 310. When the article needs to be taken and placed, the storage box 200 is opened by external force, and the storage box 200 is separated from the buckle connection, so that the storage box 200 is far away from the concave part 310 of the door liner 300. After the articles are taken and placed, the storage box 200 is close to the door liner 300 by external force until the storage box 200 is connected with the concave part 310 in a buckling mode.

In one embodiment, the storage box 200 is provided with a ferrous member 230, the fixing base 100 is provided with a magnet 130 matched with the ferrous member 230, and the storage box 200 is attracted and abutted against the recess 310 by the magnetic attraction force of the ferrous member 230 and the magnet 130. When the article needs to be taken and placed, the external force opens the storage box 200, so that the storage box 200 is far away from the recess 310 of the door liner 300. After the articles are taken and placed, the external force drives the storage box 200 to be close to the door liner 300, the magnetic attraction acting force of the magnet 130 and the iron piece 230 drives the storage box 200 to be close to the door liner 300, and the effect of assisting the storage box 200 to reset is achieved.

Example 3

The invention provides a refrigerator which comprises the storage box assembly. The storage box assembly is arranged in the refrigerator door body. As shown in fig. 3 and 4, the fixing seat 100 of the storage box assembly is installed on one side of the door liner 300 of the refrigerator door body, which is away from the household appliance cabinet body, the storage box 200 of the storage box assembly is installed on one side of the door liner 300, which is away from the foaming layer, and the fixing seat 100 and the storage box 200 are rotatably connected.

Compared with the prior art, the storage box pre-buried installation structure provided by the invention has the advantages that the fixing seat is simple in structure and stable in installation, the installed storage box can rotate from the rotating connection position of the storage box and the fixing seat, one end of the storage box can move relative to the door liner of the household appliance door body and is opened at a certain angle, and foaming is not caused to overflow from the second through groove arranged on the door liner.

The foregoing is merely a preferred embodiment of the invention and is not intended to limit the invention in any manner; those skilled in the art can readily practice the invention as shown and described in the drawings and detailed description herein; however, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the scope of the invention as defined by the appended claims; meanwhile, any changes, modifications, and evolutions of the equivalent changes of the above embodiments according to the actual techniques of the present invention are still within the protection scope of the technical solution of the present invention.