High-sealing type distribution box

Abstract

The utility model discloses a high sealing type power distribution box, which comprises a power distribution box body and a box cover, a square part with a square groove is arranged on the inner ring of an opening on the front side of the power distribution box body, a square frame with a square embedding groove is detachably arranged in the square groove, a square sealing ring is embedded in the square embedding groove of the square frame, and the square sealing ring is arranged on the box cover. The square sealing ring is provided with a square protruding part protruding out of the square groove, the section of the square protruding part is in a hollow semi-arc shape, and the box cover abuts against the square protruding part after being closed. The utility model has the following advantages and effects: the square sealing ring is combined in the square frame, so that when the square sealing ring is disassembled and assembled, the square sealing ring is disassembled through the hard square frame, and the square sealing ring is convenient to disassemble; meanwhile, the square protruding part which protrudes out of the square groove and has the hollow semi-arc-shaped section is arranged on the square sealing ring, the box cover abuts against the square protruding part after being closed, at the moment, the square protruding part has the good elastic deformation capacity, and the sealing performance can be guaranteed for a long time.

Description

Technical Field

[0001] The utility model relates to the technical field of electrics, and particularly relates to a highly sealed distribution box. Background Art

[0002] A distribution box is a device specifically used for distributing electric power, usually consisting of a main distribution box and a sub-distribution box. According to the requirements of electrical wiring, switchgear, measuring instruments, protective electrical appliances and auxiliary equipment are assembled in a closed or semi-closed metal cabinet to form a low-voltage power distribution device. It has the characteristics of small volume, simple installation, special technical performance, fixed position, unique configuration function, not restricted by site, stable and reliable operation, high space utilization rate, less floor area and environmental protection effect.

[0003] During the use of an outdoor distribution box, good sealing performance needs to be ensured to cope with complex outdoor weather. The main sealing part of the distribution box is the connection between the box body and the box cover. Usually, a sealing ring is arranged on the inner ring of the box cover to play a sealing role. However, when the sealing ring is set, it is usually set by bonding or embedding. When set by bonding, since the sealing ring is flexible, it is difficult to ensure flatness during the bonding process. When set by embedding, since the sealing ring needs to be deformed during embedding, there is a problem of inconvenient disassembly. Content of the Utility Model

[0004] The purpose of the utility model is to provide a highly sealed distribution box, which has the function of facilitating the disassembly and assembly of a square sealing ring.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: a highly sealed distribution box, including a distribution box body and a box cover arranged on the distribution box body. A square part with a square groove is arranged on the inner ring of the opening on the front side of the distribution box body. A square frame with a square embedding groove is detachably arranged in the square groove. A square sealing ring is embedded in the square embedding groove of the square frame. A square protruding part with a hollow semi-arc cross-section and protruding from the square groove is arranged on the square sealing ring. After the box cover is closed, it abuts against the square protruding part.

[0006] The further setting of the utility model is: a plurality of connecting columns are arranged in the square groove. The end of the connecting column is provided with a fastening head with an outer diameter larger than the outer diameter of the connecting column. The square frame is provided with a first through hole for the fastening head to pass through. The square sealing ring is provided with a fastening groove for the fastening head to be embedded after deformation.

[0007] The further setting of the utility model is: a plurality of "凵"-shaped metal elastic sheets are arranged in the square groove. The two ends of the metal elastic sheet are provided with arc-shaped parts concave inward in the direction of approaching each other downward. The circumferential side of the square frame is provided with arc-shaped grooves for the arc-shaped parts at both ends of the metal elastic sheet to be embedded.

[0008] A further setting of the utility model is that: a plurality of second through holes are arranged in the square groove, a plurality of guide shafts passing through the second through holes are arranged on the square frame, a compression spring is sleeved on the guide shaft, and an anti - detachment end cover for preventing the compression spring from falling off and realizing pressing the compression spring is arranged on the guide shaft.

[0009] A further setting of the utility model is that: a plurality of arc - shaped protrusions that are in contact with and press tightly against the inner and outer sides of the square groove are arranged on the inner and outer sides of the square sealing ring.

[0010] To sum up, the beneficial effects of the utility model are as follows:

[0011] 1. By combining the square sealing ring in the square frame, when disassembling and assembling the square sealing ring, it can be disassembled through the rigid square frame, which has the function of being convenient for disassembly; at the same time, a square protrusion with a hollow semi - arc cross - section and protruding from the square groove is arranged on the square sealing ring. After the box cover is closed, it presses tightly against the square protrusion. At this time, the square protrusion has good elastic deformation ability and can ensure the sealing performance for a long time.

[0012] 2. A plurality of connecting columns are arranged in the square groove, a fastening head with an outer diameter larger than that of the connecting column is arranged at the end of the connecting column, a first through hole for the fastening head to pass through is arranged on the square frame, and a fastening groove for the fastening head to be embedded during the deformation process is arranged on the square sealing ring, thereby realizing the detachable connection of the square frame.

[0013] 3. A plurality of "U" - shaped metal elastic sheets are arranged in the square groove, arc - shaped portions concave inward in the downward and mutually approaching directions are arranged at both ends of the metal elastic sheet, and arc - shaped grooves for the arc - shaped portions at both ends of the metal elastic sheet to be embedded are arranged on the peripheral side of the square frame, thereby realizing the detachable connection of the square frame.

[0014] 4. A plurality of second through holes are arranged in the square groove, a plurality of guide shafts passing through the second through holes are arranged on the square frame, a compression spring is sleeved on the guide shaft, and an anti - detachment end cover for preventing the compression spring from falling off and realizing pressing the compression spring is arranged on the guide shaft, thereby realizing the detachable connection of the square frame.

[0015] 5. A plurality of arc - shaped protrusions that are in contact with and press tightly against the inner and outer sides of the square groove are arranged on the inner and outer sides of the square sealing ring, thereby realizing the detachable connection of the square frame. Description of the Drawings

[0016] Figure 1 is the structural schematic diagram of Embodiment 1;

[0017] Figure 2 is the partial structural schematic diagram of the square part, square frame, and square sealing ring in Embodiment 1;

[0018] Figure 3 This is a partial structural diagram of the square portion, square frame, and square sealing ring in Embodiment 2;

[0019] Figure 4 This is a partial structural diagram of the square portion, square frame, and square sealing ring in Embodiment 3;

[0020] Figure 5 This is a partial structural diagram of the square portion, square frame, and square sealing ring in Embodiment 4;

[0021] Reference numerals in the attached drawings: 1. Distribution box body; 11. Square part; 111. Square groove; 112. Second through hole; 2. Box cover; 3. Square frame; 31. First through hole; 32. Arc groove; 4. Square sealing ring; 41. Square protrusion; 42. Fastening groove; 43. Arc protrusion; 51. Connecting post; 52. Fastening head; 6. Metal spring; 61. Arc part; 71. Guide shaft; 72. Compression spring; 73. Anti-detachment end cover. Detailed Implementation

[0022] The present invention will be further described in detail below with reference to the accompanying drawings.

[0023] Example 1: A high-sealing type distribution box, such as Figure 1 and Figure 2 As shown, the distribution box includes a main body 1 and a cover 2 disposed on the main body 1. The main body 1 has a square part 11 with a square groove 111 in the inner ring of the opening on the front side. A square frame 3 with a square embedding groove is detachably disposed in the square groove 111. A square sealing ring 4 is embedded in the square embedding groove of the square frame 3. A square protrusion 41 protrudes from the square groove 111 and has a hollow semi-arc cross section on the square sealing ring 4. When the cover 2 is closed, it is pressed against the square protrusion 41.

[0024] like Figure 1 and Figure 2 As shown, a plurality of connecting posts 51 are provided in the square groove 111. The end of the connecting post 51 is provided with a fastening head 52 with an outer diameter larger than the outer diameter of the connecting post 51. The square frame 3 is provided with a first through hole 31 for the fastening head 52 to pass through. The square sealing ring 4 is provided with a fastening groove 42 for the fastening head 52 to be embedded in during the deformation process.

[0025] Implementation effect: By combining the square sealing ring 4 within the square frame 3, when disassembling and assembling the square sealing ring 4, it can be disassembled through the rigid square frame 3, which facilitates disassembly. At the same time, the square sealing ring 4 is provided with a square protrusion 41 having a protruding square groove 111 and a hollow semi-arc cross-section. After the box cover 2 is closed, it abuts against the square protrusion 41. At this time, the square protrusion 41 has good elastic deformation ability and can ensure the sealing performance for a long time. A plurality of connecting columns 51 are arranged in the square groove 111. The end of the connecting column 51 is provided with a fastening head 52 having an outer diameter larger than that of the connecting column 51. The square frame 3 is provided with a first through-hole 31 for the fastening head 52 to pass through, and the square sealing ring 4 is provided with a fastening groove 42 for the fastening head 52 to be embedded during the deformation process, thereby achieving the detachable connection of the square frame 3.

[0026] Embodiment 2: A highly sealed distribution box, as Figure 1 and Figure 3 shown. The difference from Embodiment 1 is that the detachable structure of the square frame 3 is different. A plurality of "U"-shaped metal elastic pieces 6 are arranged in the square groove 111. Both ends of the metal elastic piece 6 are provided with arc-shaped portions 61 concave inward in the downward and mutually approaching directions. The circumferential side of the square frame 3 is provided with arc-shaped grooves 32 for the arc-shaped portions 61 at both ends of the metal elastic piece 6 to be embedded, thereby achieving the detachable connection of the square frame 3.

[0027] Embodiment 3: A highly sealed distribution box, as Figure 1 and Figure 4 shown. The difference from Embodiment 1 is that the detachable structure of the square frame 3 is different. A plurality of second through-holes 112 are arranged in the square groove 111. The square frame 3 is provided with a plurality of guide shafts 71 passing through the second through-holes 112. A compression spring 72 is sleeved on the guide shaft 71. The guide shaft 71 is provided with an anti-detachment end cap 73 for preventing the compression spring 72 from falling off and realizing the pressing of the compression spring 72, thereby achieving the detachable connection of the square frame 3.

[0028] Embodiment 4: A highly sealed distribution box, as Figure 1 and Figure 5 shown. The difference from Embodiment 1 is that the detachable structure of the square frame 3 is different. A plurality of arc-shaped protrusions 43 are provided on the inner and outer sides of the square sealing ring 4, which are in contact and pressed against the inner and outer sides of the square groove 111, thereby achieving the detachable connection of the square frame 3.

[0029] This specific embodiment is only an interpretation of the present invention and is not a limitation to the present invention. Those skilled in the art can make modifications without creative contributions to this embodiment according to needs after reading this specification, but as long as it is within the scope of the claims of the present invention, it is protected by the patent law.

Claims

1. A high-sealing distribution box, comprising a distribution box body (1) and a box cover (2) disposed on the distribution box body (1), characterized in that: An inner ring of an opening on the front side of the distribution box body (1) is provided with a square portion (11) having a square groove (111). A square frame (3) having a square embedding groove is detachably provided in the square groove (111). A square sealing ring (4) is embedded in the square embedding groove of the square frame (3). A square protruding portion (41) which protrudes from the square groove (111) and has a hollow semi-arc cross-section is provided on the square sealing ring (4). After the box cover (2) is closed, it abuts against the square protruding portion (41).

2. The high-sealing distribution box according to claim 1, characterized in that: A plurality of connecting columns (51) are provided in the square groove (111). A fastening head (52) having an outer diameter larger than that of the connecting column (51) is provided at an end of the connecting column (51). A first through hole (31) for the fastening head (52) to pass through is provided on the square frame (3). A fastening groove (42) for the fastening head (52) to be embedded in during deformation is provided on the square sealing ring (4).

3. The high-sealing distribution box according to claim 1, characterized in that: A plurality of "凵”-shaped metal elastic pieces (6) are provided in the square groove (111). Arc-shaped portions (61) which are concave inward in a direction of approaching each other downward are provided at two ends of the metal elastic piece (6). Arc-shaped grooves (32) for the arc-shaped portions (61) at two ends of the metal elastic piece (6) to be embedded in are provided on a peripheral side of the square frame (3).

4. The high-sealing distribution box according to claim 1, characterized in that: A plurality of second through holes (112) are provided in the square groove (111). A plurality of guide shafts (71) passing through the second through holes (112) are provided on the square frame (3). A compression spring (72) is sleeved on the guide shaft (71). An anti-detachment end cap (73) for preventing the compression spring (72) from falling off and realizing pressing of the compression spring (72) is provided on the guide shaft (71).

5. A high-sealing distribution box according to claim 1, characterized in that: A plurality of arc-shaped protrusions (43) which are in abutting contact with the inner and outer sides of the square groove (111) are provided on the inner and outer sides of the square sealing ring (4).

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