Electrical circuit storage and protection device

Abstract

The utility model relates to an electrical circuit storage protection device, which comprises a cabinet body, a blocking part, a first protection door, a first sealing part, a second protection door and a locking part, and is characterized in that the cabinet body comprises a bottom cover and a side plate, the side plate is connected with the peripheral side of the bottom cover, and the blocking part, the first protection door and the second protection door are sequentially arranged in the direction from the bottom cover to an opening end; the electrical element is arranged in the accommodating groove, the first sealing part is arranged along the peripheral side of the open end of the cabinet body, the second protective door is rotationally connected with one side of the cabinet body to avoid external liquid in the cabinet body, the blocking part is arranged in the cabinet body accommodating groove and is arranged along the peripheral side of the inner surface of the side plate, and the first protective door is arranged in the cabinet body accommodating groove. The first protective door is rotationally connected with one side of the side plate, the blocking part can be attached to the first protective door, the situation that external liquid enters the containing groove through the first protective door, and consequently electrical elements are damaged is avoided, the locking part is connected with the second protective door and the cabinet body, and the second protective door is prevented from being opened at will.

Description

Technical Field

[0001] The utility model relates to the field of electrical cabinets, and in particular to an electrical circuit storage and protection device. Background Art

[0002] The electrical box is divided into power electrical box, lighting electrical box and metering cabinet. It is the final equipment of the power distribution system. The electrical box is a general term for the motor control center. The electrical box is used in situations where the load is relatively dispersed and there are fewer circuits; the motor control center is used in situations where the load is concentrated and there are more circuits. They distribute the electrical energy of a circuit of the upper-level distribution equipment to the nearest load. This level of equipment should provide protection, monitoring and control for the load.

[0003] However, some existing electrical boxes have the problem of simple structure, which causes the hull of some ships to shake easily when using the electrical box, and external rain and seawater can easily enter the interior of the electrical box through the gaps in the electrical box, causing damage to the electrical components inside the electrical box, and then causing the ship equipment to lose control, causing adverse problems for marine workers.

[0004] Based on the above situation, there is an urgent need to provide an electrical circuit storage protection device with better protection effect. Utility Model Content

[0005] The present application provides an electrical circuit storage and protection device with good sealing effect, which prevents external liquids from entering and causing damage to electrical components.

[0006] The present application provides an electrical circuit storage and protection device, comprising: a cabinet body, comprising a bottom cover and a side panel, the side panel being connected to the peripheral side of the bottom cover to form a receiving groove with an opening at one end; a blocking component, arranged in the cabinet receiving groove, and arranged along the peripheral side of the inner surface of the side panel; a first protective door, arranged in the cabinet receiving groove, and rotatably connected to the side of the side panel extending in the height direction; a first sealing component, arranged along the peripheral side of the open end of the cabinet body; a second protective door, rotatably connected to the side of the open end of the cabinet body extending in the height direction; a locking component, connecting the second protective door and the cabinet body; in the direction from the bottom cover to the open end, the blocking component, the first protective door and the second protective door are arranged in sequence.

[0007] In some optional embodiments, a support frame is further included, which is arranged in the cabinet accommodating groove, the peripheral side of the support frame abuts against the peripheral side of the inner surface of the side panel, and one end of the support frame abuts against the inner surface of the bottom cover.

[0008] In some optional embodiments, a drainage component is further included, and the drainage component is arranged on a side of the side plate extending in the length direction, and the drainage component is arranged corresponding to the first protective door.

[0009] In some optional embodiments, the first protective door is provided with a first perspective window, the second protective door is provided with a second perspective window, and the first perspective window and the second perspective window are provided correspondingly.

[0010] In some optional embodiments, multiple fixing components are further included, and the fixing components include a fixing block, an elastic bar and a fastening bolt. The fixing block is arranged on the outer surface of the side panel, and the elastic bar is arranged on the fixing block. One end of the fastening bolt presses the elastic bar, and the other end passes through the fixing block and is connected to the target object.

[0011] In some optional embodiments, the second protective door is connected to the cabinet through a rotating component, the rotating component includes a rotating shaft, a first block and a second block, the second protective door is provided with a notch, the rotating shaft is provided in the notch, the first block connects the rotating shaft and the side panel, and the second block connects the rotating shaft and the second protective door.

[0012] In some optional embodiments, a pad is further included, and the pad is arranged on the outer surface of the bottom cover.

[0013] In some optional embodiments, a wiring pipe is further included, wherein the wiring pipe is arranged on the side panel and is connected to the cabinet accommodating space.

[0014] In some optional embodiments, the locking component includes a first locking element and a second locking element, the first locking element is arranged on the second protective door, the second locking element is arranged on the side panel, and the first locking element and the second locking element are connected.

[0015] In some optional embodiments, the first locking element is a limit block, and the limit block is provided with a limit hole; the second locking element includes an integrated block, a limit rod, a spring, a first limit ring, a second limit ring, a first latch and a second latch, the limit rod is sequentially inserted into the first limit ring, the spring and the second limit ring, the first latch and the second latch are arranged on the limit ring, the first latch is arranged between the first limit ring and the spring, and the second latch is arranged between the spring and the second limit ring; the first latch and the second latch are arranged on the limit block through the limit hole.

[0016] Compared with the prior art, the present invention has the following technical effects:

[0017] The present application provides an electrical circuit storage and protection device, comprising: a cabinet, a blocking component, a first protective door, a first sealing component, a second protective door and a locking component. The cabinet comprises a bottom cover and a side panel, the side panel is connected to the peripheral side of the bottom cover to form a receiving groove with an opening at one end. In the direction from the bottom cover to the said opening end, the blocking component, the first protective door and the second protective door are arranged in sequence. The electrical component is arranged inside the receiving groove. The first sealing component is arranged along the peripheral side of the cabinet opening end. The second protective door is rotatably connected to a side extending in the height direction of the cabinet opening end to prevent external liquid from entering the area between the first protective door and the second protective door. The blocking component is arranged in the cabinet receiving groove. The blocking component is arranged along the peripheral side of the inner surface of the side panel. The first protective door is arranged in the cabinet receiving groove. The first protective door is rotatably connected to a side extending in the height direction of the side panel. The blocking component can fit with the first protective door and has a good sealing effect, preventing external liquid from entering the receiving groove through the first protective door, thereby causing damage to the electrical component. The locking component connects the second protective door and the cabinet, connecting the second protective door and the cabinet together to prevent the second protective door from being opened at will. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 A schematic diagram of the structure of the electrical circuit storage and protection device provided by an embodiment of the present utility model from a first perspective;

[0020] Figure 2 for Figure 1 A schematic structural diagram of the electrical circuit storage and protection device according to the provided embodiment from a second viewing angle;

[0021] Figure 3 for Figure 1 Schematic diagram of the internal structure of the electrical circuit storage protection device provided in the embodiment Figure 1 ;

[0022] Figure 4 for Figure 1 Schematic diagram of the internal structure of the electrical circuit storage protection device provided in the embodiment Figure 2 ;

[0023] Figure 5 for Figure 1 A schematic diagram of the internal structure of the locking component of the provided embodiment;

[0024] Figure 6 for Figure 4 A partial enlarged schematic diagram of point A of the provided embodiment.

[0025] in, Figures 1 to 6The corresponding relationship between the reference numerals and component names is as follows:

[0026] 1-cabinet; 11-bottom cover; 12-side panel; 13-support frame; 14-drainage component; 15-pad; 16-wiring pipe; 2-blocking component; 3-first protective door; 31-first perspective window; 4-first sealing component; 5-second protective door; 51-second perspective window; 52-first handrail; 6-locking component; 61-first locking element; 62-second locking element; 621-integrated block; 622-limiting rod; 623-spring; 624-first limiting ring; 625-second limiting ring; 626-first latch; 627-second latch; 7-fixing component; 71-fixing block; 72-elastic bar; 73-fastening bolt; 8-rotating component; 81-rotating shaft; 82-first block; 83-second block. DETAILED DESCRIPTION

[0027] In order to more clearly understand the above-mentioned objectives, features and advantages of the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be noted that the embodiments of the present application and the features therein can be combined with each other without conflict.

[0028] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the scope of protection of the present invention is not limited to the specific embodiments disclosed below.

[0029] The electrical box is divided into power electrical box, lighting electrical box and metering cabinet. It is the final equipment of the power distribution system. The electrical box is a general term for the motor control center. The electrical box is used in situations where the load is relatively dispersed and there are fewer circuits; the motor control center is used in situations where the load is concentrated and there are more circuits. They distribute the electrical energy of a circuit of the upper-level distribution equipment to the nearest load. This level of equipment should provide protection, monitoring and control for the load.

[0030] However, some existing electrical boxes have the problem of simple structure, which causes the hull of some ships to shake easily when using the electrical box, and external rain and seawater can easily enter the interior of the electrical box through the gaps in the electrical box, causing damage to the electrical components inside the electrical box, and then causing the ship equipment to lose control, causing adverse problems for marine workers.

[0031] Based on the above situation, there is an urgent need to provide an electrical circuit storage protection device with better protection effect.

[0032] The present application provides an electrical circuit storage and protection device with good sealing effect, which prevents external liquids from entering and causing damage to electrical components.

[0033] The present application provides an electrical circuit storage and protection device, comprising: a cabinet 1, comprising a bottom cover 11 and a side panel 12, the side panel 12 being connected to the peripheral side of the bottom cover 11 to form a receiving groove with an opening at one end; a blocking component 2, arranged in the receiving groove of the cabinet 1, and arranged along the peripheral side of the inner surface of the side panel 12; a first protective door 3, arranged in the receiving groove of the cabinet 1, and rotatably connected to the side of the side panel 12 extending in the height direction; a first sealing component 4, arranged along the peripheral side of the open end of the cabinet 1; a second protective door 5, rotatably connected to the side of the open end of the cabinet 1 extending in the height direction; a locking component 6, connecting the second protective door 5 and the cabinet 1; in the direction from the bottom cover 11 to the open end, the blocking component 2, the first protective door 3 and the second protective door 5 are arranged in sequence.

[0034] Specifically, the electrical circuit storage and protection device includes: a cabinet 1, a blocking component 2, a first protective door 3, a first sealing component 4, a second protective door 5 and a locking component 6. The cabinet 1 includes a bottom cover 11 and a side panel 12. The side panel 12 is connected to the periphery of the bottom cover 11 to form a receiving groove with an opening at one end. In the direction from the bottom cover 11 to the said open end, the blocking component 2, the first protective door 3 and the second protective door 5 are arranged in sequence. The electrical components are arranged inside the receiving groove. The first sealing component 4 is arranged along the periphery of the open end of the cabinet 1. The second protective door 5 is rotatably connected to the side extending in the height direction of the open end of the cabinet 1. When the second protective door 5 is closed, it can fit with the first sealing component 4 to prevent external liquid from entering the area between the first protective door 3 and the second protective door 5. The blocking component 2 is arranged in the receiving groove of the cabinet 1. The blocking component 2 is arranged along the inside of the side panel 12. The surface is arranged on the peripheral side, and the first protective door 3 is arranged in the receiving groove of the cabinet 1. The first protective door 3 is rotatably connected to the side extending in the height direction of the side panel 12. The blocking component 2 can fit with the first protective door 3 and has a good sealing effect, thereby preventing external liquid from entering the receiving groove through the first protective door 3, thereby causing damage to the electrical components. The locking component 6 connects the second protective door 5 and the cabinet 1, connecting the second protective door 5 to the cabinet 1 to prevent the second protective door 5 from being opened at will, solving the problem that some existing electrical boxes have a simple structure, which causes some ships to shake easily during the use of the electrical box, and external rainwater and seawater can easily enter the interior of the electrical box through the gap of the electrical box, causing damage to the electrical components inside the electrical box, and then causing the ship to lose control, causing adverse problems for marine workers.

[0035] Furthermore, both the first protective door 3 and the blocking member 2 are provided with magnetic blocks, which facilitate the first protective door 3 to be attracted to one side of the blocking member 2. By providing the blocking member 2, rainwater from the outside can be prevented from entering the interior of the electrical circuit storage and protection device. The blocking member 2 is a baffle, which is provided along the circumference of the side panel 12.

[0036] In some optional embodiments, the electrical circuit storage and protection device also includes a support frame 13, which is arranged in the accommodating groove of the cabinet 1, the peripheral side of the support frame 13 abuts against the peripheral side of the inner surface of the side panel 12, and one end of the support frame 13 abuts against the inner surface of the bottom cover 11.

[0037] Specifically, in the direction from the bottom cover 11 to the open end, the support frame 13, the blocking component 2, the first protective door 3 and the second protective door 5 are arranged in sequence, and the electrical components are arranged on the support frame 13. The support frame 13 is used to support the electrical components. Optionally, the support frame 13 is provided with multiple layers so that a variety of different types of electrical components can be arranged on the support frame 13.

[0038] In some optional embodiments, the electrical circuit storage and protection device further includes a drainage component 14 . The drainage component 14 is disposed on one side of the side panel 12 extending in the length direction. The drainage component 14 is disposed corresponding to the first protective door 3 .

[0039] Specifically, both the first protective door 3 and the blocking member 2 are provided with magnetic blocks, which facilitate the first protective door 3 to be attracted to one side of the blocking member 2. The blocking member 2 can prevent rainwater from entering the interior of the electrical circuit storage and protection device. The blocked rainwater is then discharged from the electrical circuit storage and protection device through the drainage member 14, thereby reducing the humidity inside the electrical circuit storage and protection device. The drainage member 14 is a drainage trough provided with drainage holes, through which rainwater entering the drainage trough flows out.

[0040] In some optional embodiments, the first protective door 3 is provided with a first perspective window 31 , the second protective door 5 is provided with a second perspective window 51 , and the first perspective window 31 and the second perspective window 51 are provided correspondingly.

[0041] Specifically, the staff can observe the working status of the electrical components inside the electrical circuit storage protection device through the first perspective window 31 and the second perspective window 51. The first protection door 3 and the second protection door 5 are both provided with door handles to facilitate the staff to open and close the first protection door 3 and the second protection door 5.

[0042] In some optional embodiments, the electrical circuit storage and protection device also includes a plurality of fixing components 7, the fixing components 7 include a fixing block 71, an elastic bar 72 and a fastening bolt 73, the fixing block 71 is arranged on the outer surface of the side panel 12, the elastic bar 72 is arranged on the fixing block 71, one end of the fastening bolt 73 presses the elastic bar 72, and the other end passes through the fixing block 71 and is connected to the target object.

[0043] Specifically, multiple fixing components 7 are evenly arranged on the outer surface of the side panels 12, with multiple fixing components 7 positioned near the end of the bottom cover 11. The multiple fixing components 7 are arranged along the circumference of the side panels 12, further enhancing the secure installation of the electrical circuit storage and protection device on the target object. During use, tightening the fastening bolts 73 compresses the spring bars 72, further enhancing the stability of the fastening bolts 73 and preventing them from loosening due to the swaying of the vessel.

[0044] In some optional embodiments, the second protective door 5 is connected to the cabinet 1 through a rotating component 8, the rotating component 8 includes a rotating shaft 81, a first block 82 and a second block 83, the second protective door 5 is provided with a notch, the rotating shaft 81 is provided in the notch, the first block 82 connects the rotating shaft 81 and the side panel 12, and the second block 83 connects the rotating shaft 81 and the second protective door 5.

[0045] In some optional embodiments, the electrical circuit storage and protection device further includes a pad 15 , which is disposed on the outer surface of the bottom cover 11 .

[0046] Specifically, a plurality of pads 15 are provided, and the plurality of pads 15 are evenly arranged on the outer surface of the bottom cover 11 to prevent the bottom cover 11 from directly contacting the target object.

[0047] In some optional embodiments, the electrical circuit storage and protection device further includes a wiring tube 16 , which is disposed on the side panel 12 and communicates with the accommodating space of the cabinet 1 .

[0048] Specifically, the lines of the electrical components inside the electrical circuit storage and protection device are led out from the wiring tube 16 to prevent external rainwater and seawater from flowing back into the interior of the electrical circuit storage and protection device.

[0049] In some optional embodiments, the locking component 6 includes a first locking element 61 and a second locking element 62, the first locking element 61 is arranged on the second protective door 5, the second locking element 62 is arranged on the side panel 12, and the first locking element 61 and the second locking element 62 are connected.

[0050] Specifically, the first locking element 61 is arranged on the second protective door 5, and the second locking element 62 is arranged on the side panel 12. The first locking element 61 and the second locking element 62 are connected to connect the second protective door 5 to the cabinet 1 to prevent the second protective door 5 from being opened at will, so that the second protective door 5 can be close to the first sealing component 4.

[0051] In some optional embodiments, the first locking element 61 is a limit block, and the limit block is provided with a limit hole; the second locking element 62 includes an integrated block 621, a limit rod 622, a spring 623, a first limit ring 624, a second limit ring 625, a first latch 626 and a second latch 627, the limit rod 622 is sequentially inserted into the first limit ring 624, the spring 623 and the second limit ring 625, the first latch 626 and the second latch 627 are arranged on the limit rod 622, the first latch 626 is arranged between the first limit ring 624 and the spring 623, and the second latch 627 is arranged between the spring 623 and the second limit ring 625; the first latch 626 and the second latch 627 are arranged on the limit block through the limit hole.

[0052] Specifically, when the second protective door 5 needs to be opened, the first latch 626 and the second latch 627 are pressed, so that the first latch 626 and the second latch 627 squeeze the spring 623, thereby separating the first latch 626 and the second latch 627 from the limit block, thereby opening the second protective door 5. The first locking element 61 is provided on the second protective door 5, and the second locking element 62 is provided on the side panel 12. The first locking element 61 and the second locking element 62 are connected to connect the second protective door 5 to the cabinet 1, preventing the second protective door 5 from being opened at will, and allowing the second protective door 5 to be closely attached to the first sealing component 4.

[0053] The working principle of the electrical circuit storage and protection device is as follows: first, tighten the fastening bolt 73 so that the fastening bolt 73 compresses the spring bar 72. The spring bar 72 is provided to further improve the stability of the fastening bolt 73 and prevent the fastening bolt 73 from loosening due to the shaking of the ship. The electrical components are installed on the surface of the support frame 13. Then, the circuit of the electrical components is led out from the wiring tube 16. The wiring tube 16 is provided to prevent rainwater and seawater from flowing back into the interior of the electrical circuit storage and protection device. By providing a first sealing component 4 on one side of the electrical circuit storage and protection device, when the first protective door 3 is closed, one side of the second protective door 5 can fit with the first sealing component 4, thereby maintaining the sealing of the interior of the electrical circuit storage and protection device. The first protective door 3 is provided inside the electrical circuit storage and protection device, further improving the sealing of the interior of the electrical circuit storage and protection device. The staff can observe the working status of the electrical components inside the electrical circuit storage and protection device through the first perspective window 31 and the second perspective window 51. By providing a pad 15 on one side of the electrical circuit storage and protection device, the electrical circuit storage and protection device is prevented from directly contacting the target object. When the second protective door 5 needs to be opened, the first and second latches 626 and 627 are pressed, causing them to squeeze the spring 623, thereby separating the first and second latches 626 and 627 from the stop block, thereby opening the second protective door 5. Magnetic blocks are provided within the first protective door 3 and the blocking member 2 to facilitate the attachment of the first protective door 3 to one side of the blocking member 2. The blocking member 2 prevents rainwater from entering the interior of the electrical circuit storage and protection device. The blocked rainwater is then discharged from the cabinet 1 through the drainage member 14, thereby reducing the humidity within the electrical circuit storage and protection device.

[0054] In this utility model, the term "plurality" refers to at least two or more than two, unless otherwise specified. Terms such as "installed," "connected," "connected," and "fixed" should be interpreted broadly. For example, "connected" can mean fixed, removable, or integral; "connected" can mean directly or indirectly through an intermediary. Those skilled in the art will understand the specific meanings of these terms in this utility model based on specific circumstances.

[0055] Throughout this specification, terms such as "one embodiment," "some embodiments," and "specific embodiments" mean that the specific features, structures, materials, or characteristics described in conjunction with that embodiment or example are included in at least one embodiment or example of the present invention. In this specification, schematic representations of these terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

[0056] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention. Those skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. An electrical circuit storage and protection device, characterized in that: include: The cabinet body (1) comprises a bottom cover (11) and a side panel (12), wherein the side panel (12) is connected to the circumference of the bottom cover (11) to form a receiving groove with an opening at one end; A blocking component (2) is arranged in the receiving groove of the cabinet (1) and is arranged along the circumference of the inner surface of the side panel (12); A first protective door (3) is arranged in the receiving groove of the cabinet (1) and is rotatably connected to a side of the side panel (12) extending in the height direction; A first sealing component (4) is provided along the peripheral side of the opening end of the cabinet (1); A second protective door (5) is rotatably connected to a side of the opening end of the cabinet (1) extending in the height direction; A locking component (6) connecting the second protective door (5) and the cabinet (1); In the direction from the bottom cover (11) to the opening end, the blocking component (2), the first protective door (3) and the second protective door (5) are arranged in sequence.

2. The electrical circuit storage and protection device according to claim 1, characterized in that: It also includes a support frame (13), which is arranged in the cabinet (1) receiving groove, the peripheral side of the support frame (13) abuts against the peripheral side of the inner surface of the side plate (12), and one end of the support frame (13) abuts against the inner surface of the bottom cover (11).

3. The electrical circuit storage and protection device according to claim 1, characterized in that: It also includes a drainage component (14), which is arranged on a side of the side plate (12) extending in the length direction, and the drainage component (14) is arranged corresponding to the first protective door (3).

4. The electrical circuit storage and protection device according to claim 1, characterized in that: The first protective door (3) is provided with a first perspective window (31), and the second protective door (5) is provided with a second perspective window (51), and the first perspective window (31) and the second perspective window (51) are provided correspondingly.

5. The electrical circuit storage and protection device according to claim 1, characterized in that: The invention also includes a plurality of fixing components (7), wherein the fixing components (7) include a fixing block (71), an elastic bar (72) and a fastening bolt (73), wherein the fixing block (71) is arranged on the outer surface of the side plate (12), the elastic bar (72) is arranged on the fixing block (71), and one end of the fastening bolt (73) presses the elastic bar (72), and the other end passes through the fixing block (71) and is connected to the target object.

6. The electrical circuit storage and protection device according to claim 1, characterized in that: The second protective door (5) is connected to the cabinet (1) via a rotating component (8), the rotating component (8) comprising a rotating shaft (81), a first block (82) and a second block (83), the second protective door (5) being provided with a notch, the rotating shaft (81) being provided in the notch, the first block (82) connecting the rotating shaft (81) and the side panel (12), and the second block (83) connecting the rotating shaft (81) and the second protective door (5).

7. The electrical circuit storage and protection device according to claim 1, characterized in that: It also includes a pad (15), and the pad (15) is arranged on the outer surface of the bottom cover (11).

8. The electrical circuit storage and protection device according to claim 1, characterized in that: It also includes a wiring pipe (16), which is arranged on the side panel (12) and is connected to the accommodating space of the cabinet (1).

9. The electrical circuit storage and protection device according to claim 1, characterized in that: The locking component (6) comprises a first locking element (61) and a second locking element (62), wherein the first locking element (61) is arranged on the second protective door (5), and the second locking element (62) is arranged on the side plate (12), and the first locking element (61) and the second locking element (62) are connected.

10. The electrical circuit storage and protection device according to claim 9, characterized in that: The first locking element (61) is a limiting block, and the limiting block is provided with a limiting hole; The second locking element (62) comprises an integrated block (621), a limiting rod (622), a spring (623), a first limiting ring (624), a second limiting ring (625), a first latching tooth (626) and a second latching tooth (627); the limiting rod (622) is sequentially plugged into the first limiting ring (624), the spring (623) and the second limiting ring (625); the first latching tooth (626) and the second latching tooth (627) are arranged on the limiting rod (622); the first latching tooth (626) is arranged between the first limiting ring (624) and the spring (623); and the second latching tooth (627) is arranged between the spring (623) and the second limiting ring (625); The first latching tooth (626) and the second latching tooth (627) are arranged on the limiting block through the limiting hole.

Images