Refrigerator door wire passing hinge assembly and refrigerator

Abstract

The invention provides a refrigerator door wire passing hinge assembly. The refrigerator door wire passing hinge assembly comprises a main bottom box, a door hinge piece and a box hinge piece hinged to the door hinge piece. The door hinge piece is arranged in the main bottom box and provided with a shaft hole, and the box hinge piece is provided with a hinge shaft located in the main bottom box. Particularly, a wire passing piece is further included and provided with a wire groove penetrating into the main bottom box, the two ends of the wire groove are provided with a penetrating-out hole and a penetrating-in hole which are located inside and outside the main bottom box respectively, and a main penetrating hole is formed in the position, corresponding to the penetrating-out hole, of the main bottom box. The invention also provides a refrigerator, the door body is provided with an electric element and is connected with a power supply access line, a power supply outgoing line is distributed in the box body, particularly, the door body is connected with the box body by adopting the line passing hinge assembly, the main bottom box is arranged on the door body, the box hinge piece and the line passing piece are arranged on the box body, and the power supply outgoing line is distributed into the main bottom box along the line passing piece. The power supply access line is arranged in the main bottom box and is in butt joint with the power supply outgoing line. According to the invention, the convenience and efficiency of assembling the power line in the refrigerator can be effectively improved, and the production efficiency of the refrigerator is further effectively improved.

Description

Technical Field

[0001] The present invention relates to the technical field of refrigerators, in particular to a refrigerator door cross-line hinge assembly and a refrigerator using the refrigerator door cross-line hinge assembly. Background Art

[0002] The power supply for electrical components such as control, display, and lighting on the existing refrigerator door is usually arranged by arranging the power connection line on the refrigerator body through the wire groove on the hinge assembly, and then connecting it to the power connection line of the electrical components of the door body through the terminal. For example, a hinge assembly disclosed in Chinese patent application number 2018218987810 realizes the arrangement of the power connection line by means of a first wire threading hole, a wire groove, and a second wire threading hole provided on the hinge. The shortcoming of the above-mentioned wiring structure is that it arranges the first wire threading hole coaxially with the hinge axis of the hinge, so that the axis diameter of the hinge axis limits the aperture of the first wire threading hole, resulting in the power connection line on the refrigerator body needing to pass through the first wire threading hole before it can be crimped to the terminal, resulting in cumbersome assembly of the power line inside the refrigerator, and ultimately resulting in low refrigerator production efficiency. Therefore, it is necessary to make improvements. Summary of the Invention

[0003] The purpose of the present invention is to provide a refrigerator door cross-line hinge assembly and a refrigerator using the refrigerator door cross-line hinge assembly, so as to solve the technical problems raised in the background technology.

[0004] The purpose of the present invention can be achieved through the following technical solutions:

[0005] A refrigerator door wire hinge assembly, which includes a main bottom box, a door hinge and a box hinge; the main bottom box has a accommodating cavity, the door hinge is installed in the main bottom box and has an axis hole, the box hinge has a hinge shaft located in the main bottom box, the hinge shaft is inserted into the axis hole to enable the door hinge and the box hinge to be rotatably hinged; it is characterized in that: it also includes a wire passing member, the wire passing member is arranged near the box hinge, the wire passing member has a wire groove that penetrates into the main bottom box, one end of the wire groove has an outlet hole located in the main bottom box, and the other end has an entry hole located outside the main bottom box, and the main bottom box has a main through hole corresponding to the through hole near the through hole.

[0006] An optimized solution is provided in which the wire passing member has a third plate portion and a wire passing arm located on the third plate portion, the wire groove is provided on the side of the wire passing arm away from the box hinge, the outlet hole is provided at the end of the wire passing arm and is arranged perpendicular to the wire passing arm, the entry hole is provided at one end of the wire passing arm connected to the third plate portion, and the third plate portion has a third mounting hole for fixed installation of the wire passing member.

[0007] Optimization scheme, the present invention also includes a box bottom box, the box bottom box is arranged near the wire passing piece, the box bottom box has an outlet opening facing the penetration hole of the wire passing piece, and the wall panel of the box bottom box also has a box wire penetration hole.

[0008] Optimization solution, the door hinge has a first hinge plate and a first block located on the first hinge plate, the axis hole is provided on the first block and arranged parallel to the first hinge plate, the first hinge plate has a first mounting hole, the main base box has a first mounting column hole corresponding to the first mounting hole, the door hinge is fastened and installed in the main base box through the first mounting hole, the first mounting column hole and bolts.

[0009] Furthermore, the box hinge has a second hinge plate and an axis arm located on the second hinge plate, the hinge shaft is provided at the end of the axis arm and is arranged perpendicular to the axis arm, and the second hinge plate has a second mounting hole for fixed installation of the box hinge.

[0010] Furthermore, the door hinge also includes a second block part, and the second block part and the first block part are respectively located on both sides of the axis arm of the box hinge, so that the axis arm of the box hinge is limited between the second block part and the first block part. The second block part has a second block part through-hole, and the main bottom box has a second block part column hole corresponding to the second block part through-hole, and the first hinge plate has a second block part connecting hole corresponding to the second block part through-hole. The bolts pass through the second block part through-hole of the second block part, the second block part connecting hole of the first hinge plate, and the second block part column hole of the main bottom box in sequence, so that the second block part, the first hinge plate and the main bottom box are firmly connected.

[0011] Furthermore, the first hinge plate of the door hinge is provided with a limiting groove near the axis hole, the axis arm of the box hinge is an arc-shaped structure bent toward the limiting groove, and the outer wall at the end of the axis arm is provided with a protruding portion inserted into the limiting groove. The limiting groove limits the range of movement of the protruding portion, thereby limiting the rotation angle of the door hinge relative to the box hinge.

[0012] The optimized solution is that the main bottom box has a shell structure with an L-shaped cross-section, which has a first opening and a second opening, and the second opening is covered by a sealing plate. The sealing plate has rotation spaces corresponding to the box hinge and the wire passing member respectively, and the door hinge and the box hinge can be rotated until the first opening of the main bottom box is opposite the box hinge.

[0013] A refrigerator, comprising a box body and a door body, the door body being connected to the box body by a movable hinge using a door hinge, the door body comprising a door shell and a heat-insulating material filled in the door shell, an electrical component being provided on the door body, the electrical component being connected to a power supply input line, the power supply input line being arranged along the interior of the door shell, the box body comprising a box shell and a heat-insulating material filled in the box shell, a power supply output line being arranged in the box shell, characterized in that: the door hinge adopts the above-mentioned refrigerator door wire hinge assembly, the main bottom box being arranged on the left side or the right side of the back side of the door shell The first opening is flush with the side of the door shell, and the second opening is flush with the back of the door shell. The box hinge and the wire passing member are fixed on the left or right side of the front of the box shell, and the box hinge and the wire passing member are arranged at intervals up and down. The power supply line is laid near the wire passing member and passes through the wire trough through the entry hole of the wire trough. The power supply line is passed through the exit hole along the wire trough into the main bottom box. The power supply line is laid near the main bottom box and passes through the main through-hole into the main bottom box. The power supply line is connected to the power supply line inside the main bottom box.

[0014] An optimized solution is provided in which the refrigerator door wire-passing hinge assembly further comprises a cabinet bottom box, which is arranged inside the cabinet shell near the wire-passing piece. The cabinet bottom box has an exit opening facing the entry hole of the wire-passing piece, and the wall panel of the cabinet bottom box also has a cabinet wire through-hole. The power supply lead passes through the cabinet bottom box through the cabinet wire through-hole and enters the entry hole of the wire-passing piece along the exit opening of the cabinet bottom box.

[0015] The present invention has the following outstanding substantive features and significant advancements:

[0016] 1. The refrigerator door wire-passing hinge assembly of the present invention is respectively provided with a box hinge part for hinge connection and a wire-passing part for routing the power connection line. Through the separate arrangement of these two parts, it has both the rotatable function of the door hinge and the routing function of the power connection line, effectively avoiding and solving the problem that the axis diameter of the hinge shaft in the prior art limits the aperture of the wire-passing hole. The end of the power supply line on the box is connected to the terminal and then routed along the wire-passing part, making the assembly of the power line inside the refrigerator simple and quick, and effectively improving the convenience and efficiency of the assembly of the power line inside the refrigerator.

[0017] 2. The refrigerator of the present invention adopts the refrigerator door wire hinge assembly, which can enable the door body to be opened and closed smoothly and installed reliably. It can also solve the technical problem of fast and efficient docking of the power connection line between the door body and the cabinet, and ultimately achieve the technical purpose of effectively improving the production efficiency of the refrigerator. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic structural diagram of the refrigerator in the present invention with the door open.

[0019] Figure 2 for Figure 1Enlarged view of the installation position of the refrigerator door overline hinge assembly in this state.

[0020] Figure 3 for Figure 1 Schematic diagram of the structure of the refrigerator door overline hinge assembly installed inside the door shell and the box shell in this state.

[0021] Figure 4 for Figure 3 Enlarged view of the installation position of the refrigerator door overline hinge assembly in this state.

[0022] Figures 5 to 8 This is a schematic structural diagram of the refrigerator door cross-line hinge assembly of the present invention being disassembled in sequence.

[0023] Figure 9 This is a diagram showing the assembled state of the door hinge and box hinge of the present invention.

[0024] Figure 10 It is a cross-sectional view of the assembled state of the door hinge and the box hinge of the present invention.

[0025] Figure 11 It is a structural schematic diagram of the wire passing member of the present invention.

[0026] Figure 12 This is a diagram of the assembly status of the cabinet bottom box and the refrigerator door cross-line hinge assembly of the present invention.

[0027] Figure 13 It is a structural schematic diagram of the cabinet bottom box of the present invention. DETAILED DESCRIPTION

[0028] The present invention will be further described below with reference to the accompanying drawings.

[0029] Example

[0030] refer to Figures 1 to 13 A refrigerator includes a housing 8 and a door 9. The door 9 includes a door shell and a heat-insulating material filled therein. An electrical component 91 is provided on the door 9. The electrical component 91 is connected to a power supply line 90, which is routed along the interior of the door shell. The housing 8 includes a housing and a heat-insulating material filled therein. A power supply line 80 is routed within the housing. The door 9 is connected to the housing 8 using a movable door hinge.

[0031] Specific reference Figures 1 to 4 The door hinge adopts a refrigerator door cross-line hinge assembly. The refrigerator door cross-line hinge assembly includes a main bottom box 1, a door hinge 2, a box hinge 3, a cross-line member 4 and a box bottom box 5.

[0032] The main bottom box 1 has a housing cavity therein. The door hinge 2 is mounted within the main bottom box 1 and has an axis hole 21. The box hinge 3 has a hinge shaft 31 located within the main bottom box 1. The hinge shaft 31 is inserted into the axis hole 21 to form a rotatable hinge connection between the door hinge 2 and the box hinge 3. The wire guide 4 is located near the box hinge 3 and has a wire groove 41 that penetrates into the main bottom box 1. One end of the wire groove 41 has an exit hole 42 located within the main bottom box 1, and the other end has an entry hole 43 located outside the main bottom box 1. The main bottom box 1 has a main through hole 11 located near the exit hole 42.

[0033] Specific reference Figure 3 、 Figure 4 、 Figure 12 and Figure 13 The box bottom box 5 is arranged in the box shell near the wire passing piece 4, and the box bottom box 5 has an outlet opening facing the penetration hole 43 of the wire passing piece 4. The wall panel of the box bottom box 5 also has a box wire penetration hole 51. The power supply lead 80 passes through the box wire penetration hole 51 into the box bottom box 5 and enters the penetration hole 43 of the wire passing piece 4 along the outlet opening of the box bottom box 5.

[0034] Specific reference Figures 5 to 8 In this embodiment, the main bottom box 1 is a shell structure with an L-shaped cross-section, having a first opening and a second opening. The second opening is covered by a sealing plate 10. The sealing plate 10 has rotational spaces 101 corresponding to the box hinge 3 and the wire guide 4, respectively. The door hinge 2 and the box hinge 3 can be rotated until the first opening of the main bottom box 1 is aligned with the box hinge 3. In this embodiment, three sealing plates 10 are used and spaced apart to form the rotational spaces 101.

[0035] The main bottom box 1 is arranged on the right side of the back side of the door shell body, the first opening is flush with the side surface of the door shell body, and the second opening is flush with the back side of the door shell body, the box hinge 3 and the wire passing member 4 are fixedly arranged on the right side of the front side of the box shell body, and the box hinge 3 and the wire passing member 4 are arranged at intervals up and down, the power supply line 80 is arranged near the wire passing member 4, and passes through the wire groove 41 through the penetration hole 43 of the wire groove 41, the power supply line 80 passes through the main bottom box 1 along the wire groove 41 through the penetration hole 42, the power supply line 90 is arranged near the main bottom box 1, and passes through the main penetration hole 11 into the main bottom box 1, the power supply line 80 and the power supply line 90 are connected in the main bottom box 1, as shown Figure 12 .

[0036] In the above structure, before the foaming process of the door body 9, a power supply input line 90 is preset in the door shell and a main bottom box 1 is pre-installed on the door shell. At the same time, the power supply input line 90 is introduced into the main bottom box 1 through the main perforation 11 of the main bottom box 1. In addition, before the foaming process of the box body 8, a power supply output line 80 is preset in the box shell and a box bottom box 5 is pre-installed on the box shell. The power supply output line 80 is introduced into the box bottom box 5 through the box wire perforation 51 of the box bottom box 5. It should be noted that the box bottom box 5 is not a necessary structure. An opening can also be reserved on the right side of the front of the box shell, and the power supply output line 80 can be directly led out of the box body 8 through the reserved opening. The foaming process is then performed on the door body 9 and the box body 8 respectively. Afterwards, the door hinge 2 is fixedly mounted on the main base box 1, the box hinge 3 is fixedly mounted on the box body 8, and the power supply line 80 is routed along the wire guide 4, after which the wire guide 4 is fixedly mounted on the box body 8. Finally, the hinge shaft 31 of the box hinge 3 is assembled with the axis hole 21 of the door hinge 2, thereby rotatably connecting the door hinge 2 and the box hinge 3. At this point, the power supply line 80 and the power supply line 90 are both located in the main base box 1 and close to each other. By connecting the power supply line 80 and the power supply line 90 at the terminal ends, the power supply line 91 can be easily connected and assembled.

[0037] In this embodiment, the box hinge 3 is located above the wire-passing piece 4, and the hinge shaft 31 is vertically arranged away from the wire-passing piece 4. This makes it easier for the axis hole 21 of the door hinge 2 to be fitted onto the hinge shaft 31 from top to bottom, ensuring the quick assembly of the door hinge 2 and the box hinge 3.

[0038] In the above structure, the door body 9 is movably hinged to the box body 8 via the door hinge 2 and the box hinge 3. At the same time, the power outgoing cable 80 is routed via the wire guide 4, and the power incoming cable 90 is routed via the main base box 1. This allows the power outgoing cable 80 and the power incoming cable 90 to be positioned and arranged separately. After the door body 9 and the box body 8 are assembled and connected, they are brought together in the same cavity, facilitating quick, convenient, and reliable docking.

[0039] Specific reference Figure 11 In this embodiment, the wire-passing member 4 specifically adopts the following structure: the wire-passing member 4 has a third plate portion 44 and a wire-passing arm 45 located on the third plate portion 44; the wire groove 41 is provided on the side of the wire-passing arm 45 away from the box hinge 3; the through-hole 42 is provided at the end of the wire-passing arm 45 and is arranged perpendicular to the wire-passing arm 45; the through-hole 43 is provided at one end of the wire-passing arm 45 connected to the third plate portion 44; the third plate portion 44 has a third mounting hole 46 for fixing the wire-passing member 4. The wire-passing member 4 of the above structure is simple in structure and is similar to the structure of the box hinge 3 with the second hinge plate 32 and the shaft arm 33 described below, which is convenient for manufacturing, and the overall structure is compact and convenient for assembly operation.

[0040] Specific reference Figures 5 to 8 In this embodiment, the door hinge 2 specifically adopts the following structure: the door hinge 2 has a first hinge plate 22 and a first block 23 located on the first hinge plate 22, the axis hole 21 is provided on the first block 23 and is arranged parallel to the first hinge plate 22, the first hinge plate 22 has a first mounting hole 231, and the main base box 1 has a first mounting column hole 13 corresponding to the first mounting hole 231. The door hinge 2 is fastened and installed in the main base box 1 through the first mounting hole 231, the first mounting column hole 13 and bolts.

[0041] Specific reference Figures 5 to 8 In this embodiment, the box hinge 3 specifically adopts the following structure: the box hinge 3 has a second hinge plate 32 and an axis arm 33 located on the second hinge plate 32, the hinge shaft 31 is arranged at the end of the axis arm 33 and is arranged perpendicular to the axis arm 33, and the second hinge plate 32 has a second mounting hole 34 for fixing the box hinge 3.

[0042] Further, specific reference Figures 5 to 8 In the refrigerator door overline hinge assembly of this embodiment, the door hinge 2 also includes a second block 24, and the second block 24 and the first block 23 are respectively located on both sides of the axis arm 33 of the box hinge 3, so that the axis arm 33 of the box hinge 3 is limited between the second block 24 and the first block 23. The second block 24 has a second block through-hole 25, and the main bottom box 1 has a second block column hole 15 corresponding to the second block through-hole 25. The first hinge plate 22 has a second block connecting hole 26 corresponding to the second block through-hole 25. The bolts pass through the second block through-hole 25 of the second block 24, the second block connecting hole 26 of the first hinge plate 22, and the second block column hole 15 of the main bottom box 1 in sequence, so that the second block 24 and the first hinge plate 22 are fastened to the main bottom box 1. The above structure strengthens the limiting and supporting effect of the box hinge 3 from both sides through the second block 24, thereby improving the stability of the hinge assembly rotation and preventing the door body 9 from settling due to long-term use.

[0043] Further, specific reference Figure 9 and Figure 10 In the refrigerator door overline hinge assembly of this embodiment, the first hinge plate 22 of the door hinge 2 further has a limiting groove 20 near the shaft hole 21. The shaft arm 33 of the box hinge 3 is an arc-shaped structure bent toward the limiting groove 20. The outer wall of the end of the shaft arm 33 has a protruding portion 30 inserted into the limiting groove 20. The limiting groove 20 limits the range of movement of the protruding portion 30, thereby limiting the rotation angle of the door hinge 2 relative to the box hinge 3. Figure 10 The state shown is a schematic diagram of the position of the door hinge 2 when the door body 9 is fully opened to a certain angle. Figure 10The protruding strip 30 blocks the limiting groove 20, thereby preventing the door body 9 from being excessively opened.

Claims

1. A refrigerator door cross-line hinge assembly, comprising a main bottom box (1), a door hinge (2) and a box hinge (3); the main bottom box (1) has a receiving cavity, the door hinge (2) is installed in the main bottom box (1) and has an axis hole (21), the box hinge (3) has a hinge shaft (31) located in the main bottom box (1), the hinge shaft (31) is inserted into the axis hole (21) so that the door hinge (2) and the box hinge (3) are rotatably connected; the characteristics are: The box further comprises a wire-passing member (4), the wire-passing member (4) being arranged near the box hinge member (3), the wire-passing member (4) having a wire groove (41) penetrating into the main bottom box (1), one end of the wire groove (41) having an outlet hole (42) located inside the main bottom box (1), and the other end having an inlet hole (43) located outside the main bottom box (1), and the main bottom box (1) having a main through hole (11) near the outlet hole (42).

2. The refrigerator door cross-line hinge assembly according to claim 1, characterized in that: The wire-passing member (4) comprises a third plate portion (44) and a wire-passing arm (45) located on the third plate portion (44); the wire groove (41) is provided on a side of the wire-passing arm (45) away from the box hinge (3); the through-hole (42) is provided at the end of the wire-passing arm (45) and is arranged perpendicular to the wire-passing arm (45); the through-hole (43) is provided at one end of the wire-passing arm (45) connected to the third plate portion (44); and the third plate portion (44) comprises a third mounting hole (46) for fixing and mounting the wire-passing member (4).

3. The refrigerator door cross-line hinge assembly according to claim 1, characterized in that: The box body bottom box (5) is also included. The box body bottom box (5) is arranged near the wire passing member (4). The box body bottom box (5) has an outlet opening facing the penetration hole (43) of the wire passing member (4). The wall plate of the box body bottom box (5) also has a box wire penetration hole (51).

4. The refrigerator door cross-line hinge assembly according to claim 1, characterized in that: The door hinge (2) has a first hinge plate (22) and a first block (23) located on the first hinge plate (22); the axis hole (21) is provided on the first block (23) and is arranged in parallel with the first hinge plate (22); the first hinge plate (22) has a first mounting hole (231); the main base box (1) has a first mounting column hole (13) corresponding to the first mounting hole (231); the door hinge (2) is fastened and installed in the main base box (1) through the first mounting hole (231), the first mounting column hole (13) and bolts.

5. The refrigerator door cross-line hinge assembly according to claim 4, characterized in that: The box hinge (3) comprises a second hinge plate (32) and an axis arm (33) located on the second hinge plate (32); the hinge shaft (31) is arranged at the end of the axis arm (33) and is arranged perpendicular to the axis arm (33); the second hinge plate (32) comprises a second mounting hole (34) for fixing the box hinge (3).

6. The refrigerator door cross-line hinge assembly according to claim 5, characterized in that: The door hinge (2) further comprises a second block (24), wherein the second block (24) and the first block (23) are respectively located on both sides of the shaft arm (33) of the box hinge (3), so that the shaft arm (33) of the box hinge (3) is limited between the second block (24) and the first block (23), the second block (24) has a second block through-hole (25), the main bottom box (1) has a second block column hole (15) corresponding to the second block through-hole (25), the first hinge plate (22) has a second block connecting hole (26) corresponding to the second block through-hole (25), and the bolt passes through the second block through-hole (25) of the second block (24), the second block connecting hole (26) of the first hinge plate (22), and the second block column hole (15) of the main bottom box (1) in sequence, so that the second block (24), the first hinge plate (22) and the main bottom box (1) are fastened and connected.

7. The refrigerator door cross-line hinge assembly according to claim 5, characterized in that: The first hinge plate (22) of the door hinge (2) is provided with a limiting groove (20) near the axial hole (21); the shaft arm (33) of the box hinge (3) is in an arc-shaped structure bent toward the limiting groove (20); the outer wall at the end of the shaft arm (33) is provided with a convex portion (30) inserted into the limiting groove (20); the limiting groove (20) limits the range of movement of the convex portion (30), thereby limiting the rotation angle of the door hinge (2) relative to the box hinge (3).

8. The refrigerator door cross-line hinge assembly according to any one of claims 1 to 7, characterized in that: The main bottom box (1) is a shell structure with an L-shaped cross section, having a first opening and a second opening, the second opening being covered by a sealing plate (10), the sealing plate (10) having rotation spaces (101) corresponding to the box hinge (3) and the wire-passing member (4), respectively, and the door hinge (2) and the box hinge (3) can be rotated until the first opening of the main bottom box (1) faces the box hinge (3).

9. A refrigerator, comprising a box body (8) and a door body (9), wherein the door body (9) is connected to the box body (8) by a movable hinge, the door body (9) comprises a door shell and a heat-insulating material filled in the door shell, an electric component (91) is provided on the door body (9), the electric component (91) is connected to a power supply line (90), the power supply line (90) is arranged along the interior of the door shell, the box body (8) comprises a box shell and a heat-insulating material filled in the box shell, a power supply line (80) is arranged in the box shell, and the refrigerator is characterized in that: The door hinge adopts the refrigerator door wire hinge assembly according to claim 8, the main bottom box (1) is arranged on the left side or the right side of the back of the door shell, the first opening is flush with the side of the door shell, and the second opening is flush with the back of the door shell, the box hinge (3) and the wire passing member (4) are fixedly arranged on the left side or the right side of the front of the box shell, and the box hinge (3) and the wire passing member (4) are arranged at intervals up and down, the power supply line (80) is arranged near the wire passing member (4) and penetrates into the wire groove (41) through the penetration hole (43) of the wire groove (41), the power supply line (80) penetrates into the main bottom box (1) through the penetration hole (42) along the wire groove (41), the power supply line (90) is arranged near the main bottom box (1) and penetrates into the main bottom box (1) through the main penetration hole (11), and the power supply line (80) and the power supply line (90) are connected in the main bottom box (1).

10. The refrigerator according to claim 9, characterized in that: The refrigerator door wire hinge assembly further comprises a box bottom box (5), the box bottom box (5) being arranged in the box shell near the wire passing member (4), the box bottom box (5) having an outlet opening facing the penetration hole (43) of the wire passing member (4), and a box wire penetration hole (51) being provided on the wall panel of the box bottom box (5), the power supply outlet line (80) passing through the box wire penetration hole (51) into the box bottom box (5), and entering the penetration hole (43) of the wire passing member (4) along the outlet opening of the box bottom box (5).

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