Sliding connection device, door body assembly and mounting method therefor, and household appliance device

Abstract

A sliding connection device (100), which is configured to slidably connect a first door body (210) to a second door body (310) and comprises a first sliding member (10, 10') and a second sliding member (20, 20'), wherein the first sliding member (10, 10') comprises a fixed portion (12) and a first sliding portion (13) which are configured to cooperate with the first door body (210); the second sliding member (20, 20') comprises a second sliding portion (21) cooperating with the first sliding portion (13), and a positioning portion (40) detachably connected to the second sliding portion (21); and the second sliding portion (21) comprises a fixed structure (22) configured to be fixed to the second door body (310), and the positioning portion (40) comprises a first pre-positioning portion (41) configured to be in positioning cooperation with the first door body (210) and a second pre-positioning portion (43) configured to assist with positioning the second sliding portion (21) on the second door body (310). Further provided are a door body assembly with the sliding connection device (100) and a mounting method therefor, and a household appliance device (1000). The convenience of assembly of the sliding connection device (100) can be improved by means of the positioning portion.

Description

Sliding connecting device, door body assembly and installation method thereof, and household appliance device

[0001] The present application claims priority to Chinese Patent Application No. 202410891056.4, filed on July 4, 2024, entitled “Sliding connecting device, door body assembly and installation method thereof, and household appliance device”, and Chinese Patent Application No. 202421568363.0, filed on July 4, 2024, entitled “Sliding connecting device, door body assembly, and household appliance device”, the entire contents of which are incorporated herein by reference. TECHNICAL FIELD

[0002] The present application relates to the field of household appliances, and in particular to a sliding connecting device, a door body assembly and an installation method thereof, and a household appliance device. BACKGROUND

[0003] Embedded household appliances, such as refrigerators, the connection between the door body and the cabinet can be through a folding hinge or a rotating shaft hinge. When the door body is equipped with a rotating shaft hinge, the door body and the cabinet door panel need to be set as a sliding connection. In this way, when the household appliance is installed into the cabinet, the door body and the door panel can be simultaneously rotated relative to each other to open or close the cabinet.

[0004] The conventional sliding connecting device is exposed when the refrigerator door is opened to a certain angle, which leads to the problems of unattractive appearance and poor user experience. In addition, most of the current sliding connecting devices need to use a measuring tool to measure the installation point during installation, which increases the workload of after-sales personnel and the error is large.

[0005] Any prior art mentioned in the specification does not mean that it is confirmed or suggested that the prior art constitutes part of the common general knowledge in any jurisdiction, or can be reasonably expected to be understood, considered relevant and / or combined with other prior art by those skilled in the art. SUMMARY

[0006] The present application provides a sliding connecting device, a door body assembly, an installation method and a household appliance device to solve the technical problem of unattractive appearance and inconvenient assembly of the sliding connecting device in the related art.

[0007] The application provides a sliding connection device, comprising a first sliding member, a second sliding member used for sliding cooperation with the first sliding member; the first sliding member comprises a fixed part used for cooperation with a first door body, and a first sliding part used for cooperation with the second sliding member; the second sliding member comprises a second sliding part used for cooperation with the first sliding part, and a positioning part used for separable connection with the second sliding part; the second sliding part comprises a fixed structure used for fixing to a second door body, and the positioning part comprises a first pre-positioning part used for positioning cooperation with the first door body, and a second pre-positioning part used for assisting the second sliding part in positioning the second door body.

[0008] As an embodiment of the application, the second pre-positioning part comprises a sticking groove, and the sliding connection device comprises a sticking member arranged in the sticking groove, and the sticking member is used for sticking cooperation with an inner surface of the second door body.

[0009] As an embodiment of the application, the second pre-positioning part comprises a slot, and the sliding connection device comprises a hanging member clamp arranged in the slot, and the hanging member clamp is used for clamping cooperation with a top of the second door body.

[0010] As an embodiment of the application, the second pre-positioning part comprises a connecting rib and a positioning column connected with each other, the connecting rib is arranged to be breakable, and the positioning column is used for insertion into an interior of the second door body.

[0011] As an embodiment of the application, the first pre-positioning part and the second pre-positioning part are located on two sides opposite to the positioning part.

[0012] As an embodiment of the application, the second sliding member comprises an integrated box connected with the positioning part, the integrated box is pre-installed with a plurality of second fasteners used for cooperation with the fixed structure, and the second fasteners pass through the fixed structure to install and fix the fixed structure to the second door body.

[0013] As an embodiment of the application, the sliding connection device comprises a limiting member used for limiting the first sliding member, the first sliding member comprises a limiting part used for cooperation with the limiting member, and the limiting part is located at an end of the first sliding part away from the fixed part.

[0014] As an embodiment of the application, the limiting member comprises a pre-buried body and a limiting main body arranged in the pre-buried body, the pre-buried body is used for fixing to an outer surface of the first door body, and the limiting main body is used for cooperation with the limiting part.

[0015] As an embodiment of the application, a sliding cooperation direction between the first sliding member and the second sliding member is a sliding direction, the limiting member comprises a first guide structure, and the limiting part comprises a second guide structure used for cooperation with the first guide structure along the sliding direction.

[0016] As an embodiment of the present application, the limiting member comprises a first clasp structure, the limiting part comprises a second clasp structure matched with the first clasp structure, the first clasp structure and the second clasp structure are matched along a height direction, the sliding direction is a horizontal direction, and the height direction is a vertical direction.

[0017] As an embodiment of the present application, the first sliding part is in a sheet shape, the limiting part is in a sheet shape, the second guide structure comprises narrow surfaces on both sides of the limiting part, and the second clasp structure comprises clasp grooves arranged on the narrow surfaces.

[0018] As an embodiment of the present application, the second sliding part is a sliding groove, the second sliding member comprises a guide protrusion protruding into the sliding groove, and the guide protrusion has an inclined guide surface matched with the limiting part.

[0019] As an embodiment of the present application, the first sliding part is a sliding groove, the limiting part comprises a guide plug located at an end of the sliding groove, the second guide structure comprises a first guide tongue located at an end of the guide plug, and the second clasp structure comprises clasp grooves arranged on narrow surfaces of the guide plug.

[0020] As an embodiment of the present application, the second sliding part is in a sheet shape, and one end of the second sliding part is provided with a second guide tongue used for guiding into the sliding groove.

[0021] An embodiment of the present application provides a door body assembly, comprising a first door body, a second door body covering the first door body, and a sliding connection device according to any one of the technical solutions.

[0022] As an embodiment of the present application, the first sliding part and the second sliding part are hidden between the first door body and the second door body, and the fixing part is exposed outside the first door body.

[0023] As an embodiment of the present application, the first door body has a thickness direction, the fixing part comprises a mounting hole, the mounting hole has a predetermined positioning opening and a fastening hole in communication, and the predetermined positioning opening is arranged to be open in the thickness direction and away from the first sliding part.

[0024] An embodiment of the present application provides a mounting method of a door body assembly, which is applied to the door body assembly according to any one of the technical solutions, and the mounting method comprises the following steps.

[0025] opening the first door body and the second door body respectively, so that the first door body and the second door body have a certain angle, and pre-positioning the second sliding member with the first door body through the first pre-positioning part;

[0026] operating the first door body to be close to the second door body, so that the first door body and the second door body keep the same angle, pre-positioning the first sliding member with the second door body through the second pre-positioning part, and releasing the pre-positioning of the second sliding member with the first door body;

[0027] operating the first door body to be away from the second door body, fixing the second sliding part of the second sliding member to the second door body, separating the pre-positioning part from the second sliding part, and inserting the first sliding member into the second sliding part;

[0028] operating the first door body to be close to the second door body, so that the first door body and the second door body keep the same angle, and fixing the first sliding member to the first door body.

[0029] In an embodiment of the present application, the angle range of the first door body and the second door body keeping the same angle is 80°-100°.

[0030] An embodiment of the present application provides a household appliance device, which comprises a household appliance, a cabinet for accommodating the household appliance, and a sliding connection device according to any one of the technical solutions.

[0031] The present application provides a sliding connection device, a door body assembly, an installation method, and a household appliance device, wherein the second sliding member is provided with a pre-positioning part for cooperating with the first door body and the second door body, so as to improve the convenience of assembly. BRIEF DESCRIPTION OF DRAWINGS

[0032] FIG. 1 is a perspective view of a household appliance device according to an embodiment of the present application.

[0033] FIG. 2 is a schematic view of a first door body and a second door body according to an embodiment of the present application in a state of being opened respectively.

[0034] FIG. 3 is a schematic view of a first sliding member and a second sliding member according to an embodiment of the present application in a state of being separated from a first door body and a second door body.

[0035] FIG. 4 is a schematic view of the first sliding member and the second sliding member according to an embodiment of the present application.

[0036] FIG. 5 is a schematic view of the first sliding member and the second sliding member according to an embodiment of the present application in another angle.

[0037] Fig. 6 is a schematic view of the first slide and the second slide removing the positioning part.

[0038] Fig. 7 is a schematic view of the first slide and the second slide from another perspective.

[0039] Fig. 8 is a schematic view of the first door body and the second door body separated by the sliding connection device in an embodiment of the present application.

[0040] Fig. 9 is a schematic view of the sliding connection device in Fig. 8.

[0041] Figs. 10-13 are schematic views of the sliding connection device and the door body assembly in the process of installation and cooperation in the first embodiment of the present application.

[0042] Fig. 14 is a perspective view of the household appliance device in the second embodiment of the present application.

[0043] Fig. 15 is a schematic view of the first door body and the second door body in the open state respectively in the second embodiment of the present application.

[0044] Fig. 16 is a schematic view of the first door body and the second door body separated by the first slide and the second slide in the second embodiment of the present application.

[0045] Fig. 17 is a schematic view of the first slide and the second slide in Fig. 16.

[0046] Fig. 18 is a schematic view of the first slide and the second slide from another perspective in Fig. 17.

[0047] Fig. 19 is a schematic view of the first slide and the second slide removing the positioning part in Fig. 17.

[0048] Fig. 20 is a schematic view of the first slide and the second slide from another perspective in Fig. 19.

[0049] Fig. 21 is a schematic view of the sliding connection device in the second embodiment of the present application.

[0050] Figs. 22-25 are schematic views of the sliding connection device and the door body assembly in the process of installation and cooperation in the second embodiment of the present application. DETAILED DESCRIPTION

[0051] The present application will be described in detail below with reference to the specific embodiments shown in the drawings. However, these embodiments do not limit the present application, and the structural, method, or functional changes made by those skilled in the art based on these embodiments are included in the protection scope of the present application.

[0052] Referring to FIG. 1, the present application provides a household appliance device 1000, which comprises an embedded household appliance 200 and a cabinet 300 for accommodating the embedded household appliance 200. In the present embodiment, the embedded household appliance 200 can be a refrigerator. The household appliance 200 comprises a first door body 210 for opening or closing a cabinet, and the cabinet. The cabinet 300 comprises a second door body 310 for covering the first door body 210.

[0053] The household appliance device 1000 comprises a sliding connection device 100 for slidingly connecting the first door body 210 to the second door body 310.

[0054] The present application provides a door body assembly, which comprises the first door body 210, the second door body 310 and the sliding connection device 100.

[0055] The sliding connection device 100 comprises a first sliding member 10, 10' and a second sliding member 20, 20' which are slidingly connected between the first door body 210 and the second door body 310. When the second door body 310 is opened, the sliding connection device 100 can drive the first door body 210 to open, thereby opening the cabinet of the household appliance 200.

[0056] In the first embodiment, as shown in FIGS. 2-9, the sliding connection device 100 comprises a first sliding member 10 and a second sliding member 20 which are slidingly connected. The first sliding member 10 and the second sliding member 20 are slidingly connected to drive the first door body 210 and the second door body 310 to slidingly connect.

[0057] After the first door body 210 and the second door body 310 are slidingly connected, the first door body 210 is relatively parallel to the second door body 310, at this time, the length direction of the first door body 210 is parallel to the length direction of the second door body 310, and is parallel to the relative sliding direction between the first sliding member 10 and the second sliding member 20.

[0058] The first sliding member 10 comprises a fixed part 12 for cooperating with the first door body 210, and a first sliding part 13 for cooperating with the second sliding member 20; the second sliding member 20 comprises a second sliding part 21 for cooperating with the first sliding part 13, and a fixed structure 22 for being fixed to the second door body 310. In some embodiments, the second sliding member 20 further comprises a positioning part 40 which is separably connected to the second sliding part 21. The positioning part 40 comprises a first pre-positioning part 41 for positioning cooperation with the first door body 210, and a second pre-positioning part 43 for assisting the second sliding part 21 to be positioned to the second door body 310.

[0059] The positioning part 40 is used to cooperate with the first door body 210 to position, and can also be used to cooperate with the second door body 310 to position, so as to facilitate positioning and installation. After assembly is completed, the positioning part 40 can be separated from the second sliding part 21, thereby improving the convenience of assembly.

[0060] The positioning part 40 is connected with the second sliding part 21 through a separable structure. In some embodiments, the separable structure is a breakable rib, and in other embodiments, the separable structure can also be a buckle type structure, as long as subsequent separation and disassembly can be achieved.

[0061] The second sliding part 21 and the fixed structure 22 are integrally rectangular structures. The second sliding part 21 includes a sliding groove formed in the middle region, and the fixed structure 22 includes a second fastening groove provided on both sides of the sliding groove in the height direction, and the second fastening groove is provided for the second fastener to pass through and install.

[0062] The second sliding part 20 includes a guide protrusion 23 protruding into the sliding groove. The guide protrusion 23 has an inclined guide surface cooperating with the limiting part 11, so as to facilitate subsequent cooperation of the second sliding part 20 and the limiting part 30.

[0063] The positioning part 40 is connected to the edge of the second sliding part 21 and / or the fixed structure 22 through a breakable rib. In some embodiments, the positioning part 40 is connected to the upper side edge or the lower side edge of the second sliding part 21 and the fixed structure 22.

[0064] The length direction of the positioning part 40 is parallel to the sliding direction, and the positioning part 40 has a thickness direction. The length direction is perpendicular to the thickness direction, and both the length direction and the thickness direction are horizontal directions. The first positioning part 41 and the second positioning part 42 are located on opposite sides of the positioning part 40 along the thickness direction. The first door body 210 and the second door body 310 are respectively located on opposite sides of the positioning part 40 along the thickness direction, in other words, the positioning part 40 is clamped between the first door body 210 and the second door body 310. The first positioning part 41 is positioned and cooperates with the first door body 210 along the thickness direction, and the second positioning part 42 is positioned and cooperates with the second door body along the thickness direction.

[0065] As shown in FIGS. 3, 5, and 10, the first positioning part 41 is a positioning column protruding towards the first door body 210, and the first door body 210 is provided with a positioning groove cooperating with the positioning column.

[0066] In one embodiment, the second positioning part 42 includes a sticking groove, and the sliding connection device 100 includes a sticking part 50 provided in the sticking groove, and the sticking part 50 is used to cooperate with the inner surface of the second door body.

[0067] As shown in FIGS. 4-5 and 11, the adhesive member 50 is double-sided tape, one side of which is adhered to the adhesive groove, and the other side is used to adhere to the inner surface of the second door body, so as to achieve positioning and fixing between the second sliding member 20 and the second door body 310.

[0068] After installation, the positioning portion 40 is separated, and the second positioning portion 42 and the adhesive member 50 can also be separated, without affecting the overall appearance and the sliding between the first door body and the second door body.

[0069] In one embodiment, the second positioning portion 42 includes a slot, and the sliding connection device 100 includes a hanging clamp arranged in the slot, which is used to clamping cooperate with the top of the second door body.

[0070] The hanging clamp can be fixed in the slot and can be adjusted in the height direction relative to the slot to adapt to the height of the second door body 310, and the hanging clamp can clamping fix the top of the second door body 310, so as to achieve positioning and fixing between the second sliding member 20 and the second door body 310.

[0071] After installation, the positioning portion 40 is separated, and the second positioning portion 42 and the hanging clamp can also be separated, without affecting the overall appearance and the sliding between the first door body and the second door body.

[0072] In one embodiment, the second positioning portion 42 includes a connecting rib and a positioning column connected, the connecting rib can be arranged to be broken, and the positioning column is used to be inserted into the inside of the second door body.

[0073] The positioning column can be positioned and cooperated with the positioning groove arranged in the second door body, after installation, the positioning column can be separated from the positioning portion 40 through the connecting rib, the positioning portion 40 is separated, and the positioning column can be individually accommodated in the positioning groove, without affecting the appearance and the subsequent sliding between the first door body 210 and the second door body 310.

[0074] The second sliding member 20 includes an integrated box 43 connected with the positioning portion 40. The integrated box 43 is pre-installed with a plurality of second fasteners cooperating with the fixing structure 22, the second fasteners pass through the fixing structure 22, so as to install and fix the fixing structure 22 to the second door body 310.

[0075] The arrangement of the integrated box 43 greatly improves the convenience and efficiency of operation and assembly. After positioning, when the second fastener needs to be installed and fixed, the operator does not need to waste time to find another second fastener, and the second fastener will not be easily lost. After installation, the positioning portion 40 is separated from the second sliding portion 21, and the integrated box 43 is also separated.

[0076] As shown in FIGS. 2, 8-9, the sliding connecting device comprises a limiting member 30 for limiting the first sliding member 10; the first sliding member 10 comprises a limiting portion 11 for cooperating with the limiting member 30.

[0077] The first door body 210 and the second door body 310 slide relative to each other under the driving of the sliding connecting device 100, and the first door body 210 and the second door body 310 have weights, which can cause the first sliding member 10 to deform or form a height difference at the two ends of the first sliding member 10 along the sliding direction, so as to cause the sliding direction of the first door body 210 and the second door body 310 to deviate, thereby affecting the smooth opening of the first door body 210.

[0078] In the first embodiment, the length direction of the first sliding member 10 is parallel to the sliding direction, and the limiting portion 11 is arranged at the tail end of the first sliding member 10 along the length direction, and the limiting portion 11 cooperates with the limiting member 30 to limit, so as to ensure that the first sliding member 10 can stably slide along the sliding direction without deviation of the sliding direction.

[0079] In the first embodiment, the first sliding member 10 comprises a fixed portion 12 for cooperating with the first door body 210, a first sliding portion 13 for cooperating with the second sliding member 20, and the limiting portion 11 is located at the end of the first sliding portion 13 away from the fixed portion 12.

[0080] The first sliding member 10 is a sheet-shaped body, the fixed portion 12 is perpendicular to the first sliding portion 13, and the fixed portion 12 can cooperate with the top surface of the first door body 210 or the outer side surface of the first door body 210. The first sliding portion 13 is parallel to the outer surface of the first door body 210.

[0081] The limiting portion 11 and the fixed portion 12 are located at the two ends of the first sliding portion 13 along the sliding direction, the fixed portion 12 is perpendicular to the first sliding portion 13 and is fixed to the first door body 210, and the limiting portion 11 extends parallel to the first sliding portion 13 and is limited by the limiting member 30; in this way, the two ends of the first sliding member 10 are limited, and the first sliding portion 13 and the second sliding member 20 will not deviate along the sliding direction.

[0082] In the first embodiment, the limiting member 30 comprises a pre-buried body 31 and a limiting main body 32 arranged in the pre-buried body 31, the pre-buried body 31 is used to be fixed to the outer surface of the first door body 210, and the limiting main body 32 is used to cooperate with the limiting portion 11.

[0083] During the installation process, the outer surface of the first door body 210 can be reserved with a groove, and the embedded body 31 is placed in the reserved groove before the first door body 210 is foamed. After the foaming of the first door body 210 is completed, the embedded body 31 is also fixed to the outer surface of the first door body 210 by foaming. The limiting body 32 is then fixed in the embedded body 31.

[0084] In some embodiments, the embedded body 31 includes a receiving space 311 for receiving the limiting body, a first limiting structure 312 arranged in the receiving space 311, and the limiting body 32 is provided with a second limiting structure which cooperates with the limiting structure 312, so that the limiting body 32 is fixed in the embedded body 31.

[0085] In one embodiment, the first limiting structure 312 can be a first limiting wall, and the first limiting wall and the bottom surface of the receiving space form a limiting space, and the second limiting structure is a second limiting wall which is limited in the limiting space.

[0086] In one embodiment, the first limiting structure 312 can be a limiting column, and the second limiting structure is a limiting groove.

[0087] In one embodiment, the first limiting structure 312 can be a hook, and the second limiting structure is a clamping groove.

[0088] In one embodiment, the first limiting structure 312 can be a screw type fastener, and the second limiting structure is a fastening groove matched with the screw type fastener.

[0089] The number of the first limiting structure 312 and the second limiting structure is not limited, and can be a plurality of combinations of any of the above first limiting structure 312 and second limiting structure.

[0090] The above-mentioned installation and fixation mode of the embedded body 31 and the limiting body 32 is convenient for subsequent disassembly operation of the staff, and in other embodiments, the embedded body 31 and the limiting body 32 can also be integrally formed and fixed to the outer surface of the first door body 210 by foaming of the first door body 210, thereby strengthening the fixation strength.

[0091] The sliding direction between the first sliding member 10 and the second sliding member 20 is the sliding direction, the limiting member 30 includes a receiving groove 321 for sliding the limiting part 11 into, and a first guide structure 322 located on both sides of the receiving groove 321, and the limiting part 11 includes a second guide structure 111 which cooperates with the first guide structure 322 along the sliding direction.

[0092] The accommodation groove 321 and the first guide structure 322 are arranged on the limiting body 32, and the accommodation groove 321 is open at an end along the sliding direction and outward, so as to allow the limiting part 11 to enter. The second guide structure 111 enters the accommodation groove 321 and gradually cooperates with the first guide structure 322. The first guide structure 322 cooperates with the second guide structure 111 along the sliding direction, so that the limiting part 11 of the first sliding part 10 cooperates with the limiting part 30 along the sliding direction more accurately.

[0093] The limiting part 30 includes a first buckle structure 323 arranged on both sides of the accommodation groove 321. The limiting part 11 includes a second buckle structure 112 cooperating with the first buckle structure 323. The first buckle structure 323 cooperates with the second buckle structure 112 along the height direction. The sliding direction is the horizontal direction, and the height direction is the vertical direction.

[0094] The first buckle structure 323 cooperates with the second buckle structure 112 along the height direction, so that the limiting part 11 and the limiting part 30 are fixed along the sliding direction and cannot be displaced relative to each other.

[0095] In the first embodiment, the first sliding part 13 is in a sheet shape, the limiting part 11 is in a sheet shape, and the first sliding part 13 and the limiting part 11 are an integral sheet-shaped body. The second guide structure 111 includes narrow surfaces arranged on both sides of the limiting part 11. The second buckle structure 112 includes buckle grooves arranged on the narrow surfaces.

[0096] When the sliding connection device 100 is installed, the narrow surfaces are horizontal surfaces, and the first guide structure 322 is a horizontal wall. The horizontal surfaces are installed along the horizontal wall along the sliding direction.

[0097] When the sliding connection device 100 is installed, the first buckle structure 323 includes hooks arranged along the height direction and inwardly into the accommodation groove 321. The second buckle structure 112 is a buckle groove arranged on the narrow surface of the limiting part 11. The hooks are clamped in the buckle groove.

[0098] The first door body 210 has a thickness direction. The fixing part 12 includes a mounting hole 121 having a communication pre-positioning opening and a fastening hole. The pre-positioning opening is open along the thickness direction and away from the first sliding part 13. The pre-positioning opening allows the first fastener to enter for pre-positioning. The fastening hole is for the first fastener to be fixed.

[0099] Thus, the fixing part 12 of the first sliding part 10 is fixed to the first door body 210, the limiting part 11 is limited to the limiting part 30, the fixing structure 22 of the second sliding part 20 is fixed to the second door body 310, and the first sliding part 13 and the second sliding part 21 are in sliding cooperation, thereby driving the first door body 210 and the second door body 310 to stably slide in the sliding direction.

[0100] The first sliding part 13 and the second sliding part 21 are hiddenly arranged between the first door body 210 and the second door body 310, and only the fixing part 12 is exposed outside the first door body 210, so that the user has better aesthetic appearance when using.

[0101] In combination with FIGS. 10-13, the following describes the installation method of the door body assembly in the first embodiment, including the following steps:

[0102] Step S1: Open the first door body 210 and the second door body 310 respectively, so that the first door body 210 and the second door body 310 have a certain angle, and the second sliding part 20 is pre-positioned and cooperated with the first door body 210 through the first pre-positioning part 41.

[0103] In an embodiment, the second door body 310 is preferentially opened to about 90°, and the first door body is preferentially opened to about 45°. Here, no limitation is made as long as the space between the first door body 210 and the second door body 310 can be used for operation and installation.

[0104] In subsequent steps, the second door body 310 can be kept stationary, and the first door body 210 is only required to be operated to relatively approach or move away from the second door body 310. Therefore, during the installation process, the second door body 310 is preferably kept open at 90 degrees, and the opening angle of the second door body 310 is not limited during actual operation.

[0105] The positioning column of the first pre-positioning part 41 is pre-positioned in the positioning groove of the first door body 210, and the second sliding part 20 is preliminarily positioned in the height direction, the length direction and the thickness direction relative to the first door body.

[0106] Step S2: Operate the first door body 210 to approach the second door body 310, so that the first door body 210 and the second door body 310 keep the same angle, the second sliding part 20 is pre-positioned and cooperated with the second door body 310 through the second pre-positioning part 42, and the pre-positioning cooperation between the second sliding part 20 and the first door body 210 is released.

[0107] The step 1 before or between the step 1, 2 also includes fixing the sticking member 50 or the hanging fixture to the second predetermined position 42, and the specific sequence is not limited. As shown in FIG. 10, the sticking member 50 has been stuck in the second predetermined position 42, and after the first door body 210 and the second door body 310 are close to each other, the side of the sticking member 50 facing the second door body 310 is simultaneously stuck to the inner surface of the second door body 310. As shown in FIG. 11, after the first door body 210 and the second door body 310 are separated again, the second sliding member 20 has been fixedly stuck to the inner surface of the second door body 310.

[0108] It can be understood that after the first door body 210 and the second door body 310 are close to each other and the sticking member 50 is stuck to the second door body 310, when the first door body and the second door body need to be separated again, the first predetermined position 41 and the first door body 210 are matched as the positioning column and the positioning groove, so that the pre-positioning is conveniently released.

[0109] Step S3: After the first predetermined position 41 and the first door body 210 are released from the pre-positioning, the first door body 210 is operated to move away from the second door body 310, the second sliding part 21 of the second sliding member 20 is fixed to the second door body 310, the positioning part 40 and the second sliding part 21 are separated, and the first sliding member 10 is inserted into the second sliding part 21.

[0110] As shown in FIGS. 11-12, after the second sliding member 20 is pre-positioned to the second door body 310 through the second predetermined position 42, the fixing structure 22 is fixed to the second door body by using the second fastener in the integrated box 43, which is equivalent to that the second sliding part 21 is fixed to the second door body 310.

[0111] The separable structure is broken, and only the second sliding part 21 and the fixing structure 22 are left. In this way, the structure is small and can be hidden between the first door body 210 and the second door body 310, and has better appearance.

[0112] The first sliding member 10 can be pre-inserted into the second sliding part 21 at the end of the step S3, so as to prepare for the fixing of the first sliding member 10 and the first door body 210 in step 4.

[0113] Step S4: The first door body 210 is operated to move close to the second door body 310, so that the first door body 210 and the second door body 310 maintain the same angle, and the first sliding member 10 is fixed to the first door body 210.

[0114] As shown in FIG. 13, the first door body 210 and the second door body 310 both maintain about 90 degrees, the limiting part 11 of the first sliding member 10 passes through the second sliding part 22 and the limiting member 30 in sequence, and the limiting part 11 is finally buckled and fixed to the limiting member 30, and the first sliding part 13 enters the second sliding part 22 to generate a sliding fit.

[0115] Due to the guiding protrusion 23 of the second sliding member 20, during the installation of the first sliding member 10, the guiding protrusion 23 can guide the limiting part 11, so that the limiting part 11 can accurately enter the receiving space 311 of the limiting member 30.

[0116] During the installation of the first sliding member 10, the second guiding structure 111 of the limiting part 11 cooperates with the first guiding structure 322 of the limiting member 30, and after the installation is completed, the second buckle structure 112 of the limiting part 11 cooperates with the second buckle structure 323 of the limiting member 30.

[0117] Finally, the fixing part 12 of the first sliding member 10 is fixed to the first door body 210 by the first fastener, and the assembly of the door body assembly is completed, the first sliding part 13, the second sliding part 21 and the limiting member 30 are hidden between the first door body 210 and the second door body 310, and have better appearance.

[0118] In the second embodiment, as shown in FIGS. 14-15, the sliding connection device 100 includes a first sliding member 10' and a second sliding member 20' for sliding cooperation with the first sliding member 10'. The first sliding member 10' and the second sliding member 20' are in sliding cooperation to drive the first door body 210 and the second door body 310 to slide and cooperate.

[0119] After the sliding cooperation of the first door body 210 and the second door body 310, the first door body 210 and the second door body 310 are relatively parallel. At this time, the length direction of the first door body 210 is parallel to the length direction of the second door body 310, and is parallel to the relative sliding direction between the first sliding member 10' and the second sliding member 20'.

[0120] The first sliding member 10' includes a fixing part 12' for cooperating with the first door body 210 and a first sliding part 13' for cooperating with the second sliding member 20. The second sliding member 20 includes a second sliding part 21' for cooperating with the first sliding part 13' and a fixing structure 22' for fixing to the second door body 310. In some embodiments, the second sliding member 20 further includes a positioning part 40' separably connected with the second sliding part 21'. The positioning part 40 includes a first pre-positioning part 41' for positioning cooperation with the first door body 210 and a second pre-positioning part 43' for assisting the second sliding part 21' to be positioned on the second door body 310.

[0121] The positioning part 40' is used for positioning cooperation with the first door body 210, and can also be used for positioning cooperation with the second door body 310. In this way, positioning installation is facilitated, and after the assembly is completed, the positioning part 40' can be separated from the second sliding part 21', improving the convenience of assembly.

[0122] As shown in FIGS. 16-18, the positioning portion 40' is connected to the second sliding portion 21' by a separable structure, which in one embodiment is a frangible rib, and in other embodiments can be a snap-type structure, as long as it can be separated and removed later.

[0123] The second sliding portion 21' is formed in one piece with the fixed structure 22', and the second sliding portion 21' includes sliding pieces on both sides in the height direction, and the fixed structure 22' includes a second fastening groove arranged in the middle region in the height direction, through which a second fastener is installed.

[0124] The second sliding portion 21' is in the shape of a sheet. One end of the second sliding portion 21' is provided with a second guide tongue 23' for guiding into the first sliding portion 13'.

[0125] The positioning portion 40' is connected to the edges of the second sliding portion 21' and / or the fixed structure 22' by a frangible rib, and in one embodiment, the positioning portion 40' is connected to the side edge of the fixed structure 22'.

[0126] The length direction of the positioning portion 40' is parallel to the sliding direction, and the positioning portion 40' has a thickness direction, the length direction is perpendicular to the thickness direction, both the length direction and the thickness direction are horizontal directions, and the first positioning portion 41' and the second positioning portion 42' are located on opposite sides of the positioning portion 40' along the thickness direction. The first door body 210 and the second door body 310 are located on opposite sides of the positioning portion 40' along the thickness direction, in other words, the positioning portion 40' is clamped between the first door body 210 and the second door body 310, the first positioning portion 41' is positioned and matched with the first door body 210 along the thickness direction, and the second positioning portion 42' is positioned and matched with the second door body along the thickness direction.

[0127] In one embodiment, the first positioning portion 41' is a positioning column protruding towards the first door body 210, and the first door body 210 is provided with a positioning groove matched with the positioning column.

[0128] In one embodiment, the second positioning portion 42' includes a sticking groove, and the sliding connection device 100 includes a sticking member 50' arranged in the sticking groove, which is used to be matched and stuck to the inner surface of the second door body.

[0129] The sticking member 50' is double-sided tape, one side of which is stuck in the sticking groove, and the other side is used to be stuck to the inner surface of the second door body, so as to realize the positioning and fixing between the second sliding member 20' and the second door body 310.

[0130] After installation, the positioning part 40' can be separated, and the second positioning part 42' and the hanging clamp can also be separated, without affecting the overall appearance and the sliding between the first door body and the second door body.

[0131] In one embodiment, the second positioning part 42' includes a slot, and the sliding connection device 100 includes a hanging clamp arranged in the slot, which is used to clamp the top of the second door body.

[0132] The hanging clamp can be fixed in the slot and can be adjusted in the height direction to adapt to the height of the second door body 310. The hanging clamp can clamp the top of the second door body 310 to realize the positioning and fixing between the second sliding part 20 and the second door body 310.

[0133] After installation, the positioning part 40' can be separated, and the second positioning part 42' and the hanging clamp can also be separated, without affecting the overall appearance and the sliding between the first door body and the second door body.

[0134] In one embodiment, the second positioning part 42' includes a connecting rib and a positioning column connected to each other, and the connecting rib can be arranged to be broken. The positioning column is used to be inserted into the inside of the second door body.

[0135] The positioning column can be positioned and matched with a positioning groove arranged in the second door body. After installation, the positioning column can be separated from the positioning part 40' through the connecting rib. The positioning part 40' can be separated, and the positioning column can be individually accommodated in the positioning groove, without affecting the appearance and the subsequent sliding between the first door body 210 and the second door body 310.

[0136] The second sliding part 20' includes an integrated box 43' connected to the positioning part 40'. The integrated box 43' is pre-installed with a plurality of second fasteners matched with the fixing structure 22'. The second fasteners pass through the fixing structure 22' to install and fix the fixing structure 22' to the second door body 310.

[0137] The arrangement of the integrated box 43' greatly improves the convenience and efficiency of operation and assembly. After positioning, when the second fastener needs to be installed and fixed, the operator does not need to waste time to find another second fastener, and the second fastener will not be easily lost. After installation, the positioning part 40' separates the second sliding part 21', and the integrated box 43' is also separated.

[0138] As shown in FIG. 21, the sliding connection device includes a limiting part 30' used to limit the first sliding part 10'. The first sliding part 10' includes a limiting part 11' matched with the limiting part 30'.

[0139] When the first door body 210 and the second door body 310 are combined by sliding, the first door body 210 is parallel to the second door body 310, and the length direction of the first door body 210 is parallel to the length direction of the second door body 310 and the relative sliding direction between the first sliding member 10' and the second sliding member 20'.

[0140] When the first door body 210 and the second door body 310 are combined by sliding, the first door body 210 is parallel to the second door body 310, and the length direction of the first door body 210 is parallel to the length direction of the second door body 310 and the relative sliding direction between the first sliding member 10' and the second sliding member 20'.

[0141] In the second embodiment, the length direction of the first sliding member 10' is parallel to the sliding direction, and the tail end of the first sliding member 10' in the length direction is provided with a limiting part 11', which is limited by the limiting part 30', so that the first sliding member 10' can stably slide in the sliding direction without deviation.

[0142] In the second embodiment, the first sliding member 10' includes a fixed part 12' for cooperating with the first door body 210, a first sliding part 13' for cooperating with the second sliding member 20', and the limiting part 11' is located at the end of the first sliding part 13' away from the fixed part 12'.

[0143] The fixed part 12' is perpendicular to the first sliding part 13', and can cooperate with the top surface of the first door body 210 or the outer surface of the first door body 210. The first sliding part 13' is parallel to the outer surface of the first door body 210.

[0144] The limiting part 11' and the fixed part 12' are located at both ends of the first sliding part 13' in the sliding direction, the fixed part 12' is perpendicular to the first sliding part 13' and fixed to the first door body 210, and the limiting part 11' extends parallel to the first sliding part 13' and is limited by the limiting part 30'; in this way, both ends of the first sliding member 10' are limited, and the first sliding part 13' and the second sliding member 20' will not deviate in the sliding direction.

[0145] In the second embodiment, the limiting part 30' includes a pre-buried body 31' and a limiting main body 32' arranged in the pre-buried body 31', the pre-buried body 31' is used to be fixed to the outer surface of the first door body 210, and the limiting main body 32' is used to cooperate with the limiting part 11'.

[0146] In the installation process, the outer surface of the first door body 210 can be reserved a groove, and the embedded body 31' is placed in the reserved groove before the first door body 210 is foamed. After the first door body 210 is foamed, the embedded body 31' is also fixed to the outer surface of the first door body 210 by foaming. The limiting body 32' is further fixed in the embedded body 31'.

[0147] The embedded body 31' includes a receiving space 311' for receiving the limiting body, a first limiting structure 312' arranged in the receiving space 311', and the limiting body 32' is provided with a second limiting structure. The second limiting structure cooperates with the limiting structure 312' to fix the limiting body 32' in the embedded body 31'.

[0148] In one embodiment, the first limiting structure 312' can be a first limiting wall, and the first limiting wall and the bottom surface of the receiving space form a limiting space. The second limiting structure is a second limiting wall, and the second limiting wall is limited in the limiting space.

[0149] The number of the first limiting structure 312' and the second limiting structure is not limited, and other limiting structures can also be used.

[0150] The above-mentioned installation and fixing mode of the embedded body 31' and the limiting body 32' is convenient for subsequent disassembly operation of the staff. In other embodiments, the embedded body 31' and the limiting body 32' can be integrally formed and fixed to the outer surface of the first door body 210 by foaming of the first door body 210, so as to strengthen the fixing strength.

[0151] The sliding direction between the first sliding member 10' and the second sliding member 20' is the sliding direction, the limiting member 30' includes a receiving groove 321' for the limiting part 11' to slide into, and a first guide structure located in the receiving groove 321'. The limiting part 11' includes a second guide structure 111' cooperating with the first guide structure along the sliding direction.

[0152] The receiving groove 321' and the first guide structure are arranged in the limiting body 32', and the two ends of the receiving groove 321' along the sliding direction are open to allow the limiting part 11' to enter. The second guide structure 111' gradually cooperates with the first guide structure along the sliding direction, so that the limiting part 11 of the first sliding member 10' cooperates with the limiting member 30' along the sliding direction more accurately.

[0153] The limiting part 30' includes a first clasp structure 323' protruding into the accommodating groove 321', the limiting part 11' includes a second clasp structure 112' matched with the first clasp structure 323', the first clasp structure 323' and the second clasp structure 112' are matched along the height direction, the sliding direction is the horizontal direction, and the height direction is the vertical direction.

[0154] The first clasp structure 323' and the second clasp structure 112' are clasp combined along the height direction, so that the limiting part 11' and the limiting part 30' are fixed along the sliding direction and cannot be relatively displaced.

[0155] In the second embodiment, the first sliding part 13' is in the form of a sliding groove, the limiting part 11' includes a guide plug arranged at the end of the sliding groove, the second guide structure 111' includes a first guide tongue at the end of the guide plug, and the second clasp structure 112' includes a groove arranged on the narrow surface of the guide plug.

[0156] Compared with the first embodiment, in the second embodiment, the matching mode of the first sliding part 13' and the second sliding part 21' is changed, and the limiting part 11' and the limiting part 30' are adjusted.

[0157] In the second embodiment, the limiting part 11' is a guide plug, the accommodating area 324' in the middle of the limiting part 30' is used for accommodating the second sliding part 20', the accommodating grooves 320' are located on both sides of the accommodating area 324' along the height direction, the second guide structure 111' is a first guide tongue, and the first guide structure is the inner wall surface of the accommodating groove 320'.

[0158] The first clasp structure 323' still includes a clasp hook arranged along the height direction and towards the accommodating groove 320, the second clasp structure 112' is a clasp groove arranged on the horizontal narrow surface of the limiting part 11', and the clasp hook is clamped in the clasp groove.

[0159] During installation, the second guide tongue 23' is used to guide the second sliding part 21' into the first sliding part 13', and the first guide tongue is used to guide the limiting part 11' into the limiting part 30', wherein the guide directions of the first guide tongue and the second guide tongue 23' are opposite.

[0160] In the second embodiment, the first fixing part 12' includes a first fastening groove 121' for mounting and fixing the first fastener. The second sliding part 20' includes a fixing structure 22' for mounting on the second door body 310, and the fixing structure 22' includes a second fastening groove for mounting the second fastener.

[0161] The fixed part 12' of the first sliding part 10' is fixed to the first door body 210, the limiting part 11' is limited to the limiting part 30', the fixed part 22' of the second sliding part 20' is fixed to the second door body 310, and the first sliding part 13' and the second sliding part 21' are in sliding cooperation, thereby driving the first door body 210 and the second door body 310 to stably slide along the sliding direction.

[0162] The first sliding part 13' and the second sliding part 21' are hiddenly arranged between the first door body 210 and the second door body 310, and only the fixed part 12' is exposed outside the first door body 210, so that the user has better aesthetic appearance when using.

[0163] In combination with FIGS. 22-25, the installation method of the door body assembly in the second embodiment is described in detail below, including the following steps:

[0164] Step 1: Open the first door body 210 and the second door body 310 respectively, so that the first door body 210 and the second door body 310 have a certain angle, and the second sliding part 20' is pre-positioned and cooperated with the first door body 210 through the first pre-positioning part 41'.

[0165] In an embodiment, the second door body 310 is preferentially opened to about 90°, and the first door body is preferentially opened to about 45°. Here, no limitation is made as long as the space between the first door body 210 and the second door body 310 can be operated and installed.

[0166] In the subsequent steps, the second door body 310 can be kept stationary, and the first door body 210 is operated to relatively approach or move away from the second door body 310, so that, in the installation process, the second door body 310 is preferably kept open at 90 degrees, and the opening angle of the second door body 310 is not limited in actual operation.

[0167] The positioning column of the first pre-positioning part 41' is pre-positioned in the positioning groove of the first door body 210, and the second sliding part 20' is preliminarily positioned along the height direction, the length direction and the thickness direction relative to the first door body.

[0168] Step 2: Operate the first door body 210 to approach the second door body 310, so that the first door body 210 and the second door body 310 keep the same angle, the second sliding part 20' is pre-positioned and cooperated with the second door body 310 through the second pre-positioning part 42', and the pre-positioning cooperation between the second sliding part 20' and the first door body 210 is released.

[0169] Before step S1 or between step S1 and S2, the fixing of the sticking member 50' or the hanging fixture to the second predetermined position 42' is also included, and the specific sequence is not limited. As shown in FIG. 22, the sticking member 50' has been stuck to the second predetermined position 42, and after the first door body 210 and the second door body 310 are close to each other, the side of the sticking member 50' facing the second door body 310 is simultaneously stuck to the inner surface of the second door body 310. As shown in FIG. 23, after the first door body 210 and the second door body 310 are separated again, the second sliding member 20 has been fixedly stuck to the inner surface of the second door body 310.

[0170] It can be understood that after the first door body 210 and the second door body 310 are close to each other and the sticking member 50 is stuck to the second door body 310, when the first door body and the second door body need to be separated again, the first predetermined position 41' and the first door body 210 are matched as the positioning column and the positioning groove, which facilitates the release of the predetermined position.

[0171] Step S3: After the first predetermined position 41' and the first door body 210 are released from the predetermined position, the first door body 210 is operated to move away from the second door body 310, the second sliding part 21' of the second sliding member 20' is fixed to the second door body 310, the positioning part 40' and the second sliding part 21' are separated, and the first sliding member 10' is inserted into the second sliding part 21'.

[0172] As shown in FIGS. 23-24, after the second sliding member 20' is predetermined to the second door body 310 through the second predetermined position 42', the second fastener in the integrated box 43' is used to fix the fixing structure 22' to the second door body, which is equivalent to that the second sliding part 21' is fixed to the second door body 310.

[0173] The breakable separable structure is broken, and only the second sliding part 21' and the fixing structure 22' are left. In this way, the structure is small and can be hidden between the first door body 210 and the second door body 310, which has better aesthetics.

[0174] The last step S3 can be that the first sliding member 10' is pre-inserted into the second sliding part 21', which prepares for the fixation of the first sliding member 10' and the first door body 210 in step 4.

[0175] Step S4: The first door body 210 is operated to move close to the second door body 310, so that the first door body 210 and the second door body 310 maintain the same angle, and the first sliding member 10 is fixed to the first door body 210.

[0176] As shown in FIG. 25, the first door body 210 and the second door body 310 are kept at about 90 degrees, at this time, the middle area 324' of the limiting piece 30' corresponds to containing the second sliding part 21', and the limiting part 11' of the first sliding piece 10' is located on both sides of the second sliding part 21' and enters the containing groove 321' on both sides of the middle area 324', and the limiting part 11' is finally buckled and fixed to the limiting piece 30', and the second sliding part 22' enters the first sliding part 13' to generate sliding cooperation.

[0177] During installation of the first sliding piece 10', the second guide structure 111' of the limiting part 11' cooperates with the first guide structure 322' of the limiting piece 30', in other words, the first guide tongue cooperates with the inner wall surface of the containing groove for guidance; the second sliding piece 20' is provided with the second guide tongue 23', which can guide it to enter the first sliding part 13' of the first sliding piece 10'; the first guide tongue and the second guide tongue have opposite guide directions in the sliding direction.

[0178] After installation is completed, the second buckle structure 112' of the limiting part 11' cooperates with the second buckle structure 323' of the limiting piece 30', in other words, the hook of the limiting piece 30' is clamped in the groove of the limiting part 11'.

[0179] Finally, the fixed part 12' of the first sliding piece 10' is fixed to the first door body 210 by the first fastener, and the assembly of the door body is completed, the first sliding part 13 and the second sliding part 21' and the limiting piece 30' are hidden between the first door body 210 and the second door body 310, and have better appearance.

[0180] The beneficial effects of the present application are that the positioning part 40, 40' of the second sliding piece 20, 20' is used to cooperate with the first door body 210 and the second door body 310 for positioning, improving the convenience of assembly; the positioning part 40, 40' can be separated after positioning is completed, without affecting the appearance and without affecting the sliding between the first door body 210 and the second door body 310. The limiting part 11, 11' away from the fixed part 12, 12' of the first sliding piece 10, 10' cooperates with the limiting piece 30, 30', so that the sliding cooperation of the first sliding piece 10, 10' and the second sliding piece 20, 20' is more stable; the first sliding part 13, 13' and the second sliding part 21, 21' are hidden between the first door body 210 and the second door body 310, and have better appearance.

[0181] It should be understood that although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.

[0182] The above detailed description set forth above in connection with the disclosure merely describes exemplary embodiments of the application and is not intended to limit the scope of the application. It is intended that equivalents of the embodiments described and illustrated herein are encompassed within the scope of the application and that the present application is not limited to a few particularly constructed examples.

Claims

1. A sliding connection device for slidingly connecting a first door body to a second door body, characterized in that, The sliding connection device comprises a first sliding member and a second sliding member for sliding cooperation with the first sliding member; the first sliding member comprises a fixed part for cooperation with a first door body and a first sliding part for cooperation with the second sliding member; the second sliding member comprises a second sliding part for cooperation with the first sliding part, a positioning part for detachable connection with the second sliding part, a fixed structure for fixation on a second door body, and the positioning part comprises a first predetermined positioning part for positioning cooperation with the first door body and a second predetermined positioning part for assisting the second sliding part in positioning on the second door body.

2. The sliding connection device according to claim 1, wherein The second predetermined positioning part comprises a sticking groove, and the sliding connection device comprises a sticking member arranged in the sticking groove, which is used for sticking cooperation with an inner surface of the second door body.

3. The slip joint device of claim 1, wherein, The second predetermined positioning part comprises a inserting groove, and the sliding connection device comprises a hanging member clamp arranged in the inserting groove, which is used for clamping cooperation with a top of the second door body.

4. The slip joint device of claim 1, wherein, The second predetermined positioning part comprises a connecting rib and a positioning column connected with each other, and the connecting rib is arranged in a breakable manner, and the positioning column is used for insertion into an interior of the second door body.

5. The slip joint device of claim 1, wherein, The first predetermined positioning part and the second predetermined positioning part are located on opposite sides of the positioning part.

6. The slip joint device of claim 1, wherein, The second sliding member comprises an integrated box connected with the positioning part, and the integrated box is preloaded with a plurality of second fasteners for cooperation with the fixed structure, and the second fasteners pass through the fixed structure to mount and fix the fixed structure on the second door body.

7. The slip joint device of claim 1, wherein, The sliding connection device comprises a limiting member for limiting the first sliding member, and the first sliding member comprises a limiting part for cooperation with the limiting member, and the limiting part is located at a terminal end of the first sliding part away from the fixed part.

8. The slip joint device of claim 7, wherein, The limiting member comprises a pre-embedded body and a limiting main body arranged in the pre-embedded body, the pre-embedded body is used for fixation on an outer surface of the first door body, and the limiting main body is used for cooperation with the limiting part.

9. The slip joint device of claim 7, wherein, A sliding direction between the first sliding member and the second sliding member is a sliding direction, the limiting member comprises a first guide structure, and the limiting part comprises a second guide structure for cooperation with the first guide structure along the sliding direction.

10. The sliding connection device according to claim 9, wherein The limiting member comprises a first buckle structure, the limiting part comprises a second buckle structure for cooperation with the first buckle structure, the first buckle structure and the second buckle structure cooperate along a height direction, the sliding direction is a horizontal direction, and the height direction is a vertical direction.

11. The slip joint device of claim 10, wherein, The first sliding part is in a sheet shape, and the limiting part is in a sheet shape; the second guide structure comprises narrow surfaces located on both sides of the limiting part, and the second buckle structure comprises buckle grooves arranged on the narrow surfaces.

12. The slip joint device of claim 11, wherein, The second sliding part is a sliding groove, the second sliding member comprises a guide protrusion protruding into the sliding groove, and the guide protrusion has an inclined guide surface for cooperation with the limiting part.

13. The slip joint device of claim 10, wherein, The first sliding part is a sliding groove, the limiting part comprises a guide inserting strip located at a terminal end of the sliding groove, the second guide structure comprises a first guide tongue located at a terminal end of the guide inserting strip, and the second buckle structure comprises buckle grooves arranged on narrow surfaces of the guide inserting strip.

14. The sliding connection device of claim 13, wherein The second sliding part is in a sheet shape, and one end of the second sliding part is provided with a second guide tongue for guiding into a sliding groove.

15. A door assembly, characterized by: The first sliding part and the second sliding part are arranged between the first door body and the second door body.

16. The door assembly of claim 11, wherein, The first sliding part and the second sliding part are arranged between the first door body and the second door body in a hidden manner, and the fixing part is exposed outside the first door body.

17. The door assembly of claim 11, wherein, The first door body has a thickness direction, the fixing part includes a mounting hole, the mounting hole has a communicating positioning opening and a fastening hole, and the positioning opening is arranged to be open in the thickness direction and away from the first sliding part.

18. A mounting method of a door body assembly, applied to the door body assembly of claim 11, the mounting method comprising the steps of: opening the first door body and the second door body respectively, so that the first door body and the second door body have a certain angle, and positioning the second sliding part with the first door body through the first positioning part; operating the first door body to be close to the second door body, so that the first door body and the second door body keep the same angle, positioning the second sliding part with the second door body through the second positioning part, and releasing the positioning of the second sliding part with the first door body; operating the first door body to be away from the second door body, fixing the second sliding part of the second sliding part to the second door body, separating the positioning part from the second sliding part, and inserting the first sliding part into the second sliding part; operating the first door body to be close to the second door body, so that the first door body and the second door body keep the same angle, and fixing the first sliding part to the first door body.

19. The method of installing a door assembly of claim 14, wherein, In the "the first door body and the second door body keep the same angle", the angle ranges from 80° to 100°.

20. A domestic appliance device, characterized by: The first sliding part and the second sliding part are arranged between the first door body and the second door body in a hidden manner, and the fixing part is exposed outside the first door body.

Images