A ring network box

Abstract

The present invention discloses a ring net box, comprising a box body, a connecting mechanism, and a box door, wherein the connecting mechanism comprises a fixed seat and a movable seat, wherein a connecting shaft is fixedly provided on the fixed seat, wherein a first meshing block which can only move vertically relative to the fixed seat is movably connected to the connecting shaft, wherein the first meshing block is meshed with a second meshing block which can only rotate in one direction relative to the first meshing block, wherein a limit block is provided on the side of the second meshing block, wherein a movable sleeve which is sleeved on the outer side of the connecting shaft and elastically connected to the first meshing block is provided on the movable seat, wherein a limit groove for movably inserting the limit block is provided on the outer side of the movable sleeve, wherein the direction in which the limit block can rotate in the limit groove is opposite to the direction in which the box door is rotated to open. The present invention has the beneficial effect that the maximum opening angle of the box door can be adjusted by rotating the limit block, and when the space is limited, the box door can be prevented from hitting other objects due to excessive force of the operator.

Description

Technical Field

[0001] The invention belongs to the technical field of ring network boxes, and in particular relates to a ring network box. Background Art

[0002] A ring main box, also known as a ring main cabinet, is a device used to distribute electrical energy in a power system. It is usually installed outdoors and serves as a connection point between multiple circuits, allowing power to be switched from one circuit to another so that maintenance or troubleshooting does not affect the normal operation of other circuits.

[0003] The existing ring network box generally includes a box body and a door. The box body is equipped with a circuit breaker, a load switch, a grounding switch and other related protection and control equipment. The door is movably installed on one side of the box body through a connecting mechanism. After the door is opened, the equipment installed in the box can be repaired and inspected.

[0004] The opening and closing of the door of the ring network box is limited to a certain angle range. As long as it is within this angle range, the operator can open and close the door at will. However, in actual use, the following problems may arise: (1) Due to environmental space limitations, after the door is opened to a certain angle, if it continues to rotate outward, it may hit other objects. This situation is particularly likely to occur when the operator uses excessive force when opening the door; (2) After the door is opened, it is easily affected by external forces and automatically closes, which is inconvenient for the operator to perform maintenance and inspection work. Summary of the invention

[0005] In the existing ring network box, when the space near the ring network box is limited, the box door is easy to hit other objects due to excessive force applied by the operator when opening, causing damage to the box door or the object. At the same time, after the box door is opened, it is also easy to be automatically closed by external force, affecting the operator's maintenance and inspection of the equipment in the box. In order to solve these problems, the following invention is proposed:

[0006] A ring network box, comprising a box body and a box door, the box door is movably installed on the side of the box door through a connecting mechanism, the connecting mechanism comprises a fixed seat fixedly connected to the box body and a movable seat fixedly connected to the box door, the fixed seat is fixedly provided with a connecting shaft, the connecting shaft is movably connected with a first engaging block which can only move vertically relative to it, the first engaging block is engaged with a second engaging block which can only rotate in one direction relative to it in the vertical direction, a limit block is provided on the side of the second engaging block, the movable seat is provided with a movable sleeve connected to the outside of the connecting shaft, and a first spring is provided between the movable sleeve and the first engaging block to interfere with the two, a limit groove is provided on the outside of the movable sleeve for the limit block to be movably inserted, the limit block can rotate in the limit groove in the same direction as the second engaging block and is opposite to the direction in which the box door is rotated to open.

[0007] During the process of opening the door, after the side wall of the limit groove contacts the limit block, the limit block is blocked by the first engaging block and cannot rotate in the direction of the door to open, thereby stopping the door from rotating. At this time, the door is at the maximum opening angle. By rotating the limit block and approaching the side wall of the limit groove, the maximum opening angle of the door can be further shortened.

[0008] Furthermore, the movable sleeve on the connecting shaft is provided with a third engaging block which can only move vertically relative to the third engaging block, and a second spring is provided between the third engaging block and the movable sleeve to interfere with the two. In the vertical direction, the third engaging block is engaged with a fourth engaging block which can only rotate in one direction relative to the third engaging block, and a locking block which is engaged with the movable sleeve is also provided on the side of the fourth engaging block. The rotatable direction of the fourth engaging block is consistent with the direction in which the door rotates to open. After the door is opened, the locking block prevents the movable sleeve from rotating in the direction of closing the door.

[0009] Furthermore, the movable sleeve is provided with a first vertical groove and a second vertical groove, the first vertical groove is communicated with the limiting groove, and the engaging block is engaged with the bottom of the second vertical groove.

[0010] Furthermore, an opening is provided at the top of the movable sleeve, and a cover plate that contacts the second spring is fixed at the opening. The cover plate is provided with a first plug plate that cooperates to be inserted into the first vertical groove, and a second plug plate that cooperates to be inserted into the second vertical groove. An outer sealing plate that fits with the movable sleeve is also provided on the outer sides of the first plug plate and the second plug plate.

[0011] Specifically, the fixed seat includes a base plate, a first connecting plate, and a second connecting plate. The base plate fixedly connects the first connecting plate and the second connecting plate to the box body. One end of the connecting shaft is fixedly connected to the first connecting plate. An insertion block is provided on the first connecting plate, and a slot matching the insertion block is provided on the second connecting plate.

[0012] Furthermore, the connecting shaft is also provided with a first prism block and a second prism block, the first engaging block is provided with a first prism sleeve that is matched with the first prism block, and the third engaging block is provided with a second prism sleeve that is matched with the second prism block. After the second prism sleeve moves upward, it is disengaged from the sleeve on the second prism block and can rotate relative to the connecting shaft. At this time, the fourth engaging block is separated from the third engaging block.

[0013] Furthermore, a positioning block is provided on the top of the second prism sleeve, and a movable hole for inserting the top of the second prism sleeve is also provided on the second connecting plate. A positioning groove higher than the positioning block is provided on one side of the movable hole. After the positioning block is moved up and inserted into the positioning groove, the box door can be closed freely.

[0014] Specifically, an annular groove is further provided on the first engaging block, and a strip groove connecting the annular groove with the outside is provided on the movable sleeve. A tool is inserted into the annular groove and the first engaging block is driven to move downward, so that the limit block can be rotated in the reverse direction. A protrusion is provided on the outer side of the limit block, and the limit block can be rotated after the protrusion is gripped.

[0015] Specifically, a plurality of meshing teeth are provided between the first meshing block and the second meshing block, and between the third meshing block and the fourth meshing block. The teeth include an inclined first tooth surface and a vertical second tooth surface. When the first tooth surfaces of different tooth surfaces collide with each other, they will collide with the first tooth surface located below and move downward.

[0016] The present invention proposes a ring network box, which has the following beneficial effects: (1) the maximum opening angle of the box door can be changed by rotating the limit block in the limit groove. According to the space conditions of the surrounding environment of the box body, a suitable maximum opening angle is selected for the box door, which can prevent the operator from hitting other objects due to excessive force when opening the box door; (2) after the box door is opened, it cannot be reversely rotated and closed due to the limit of the locking block, which prevents the box door from automatically closing due to external force when the operator is repairing and inspecting the box body. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the three-dimensional structure of the ring network box in the present invention;

[0018] Figure 2 The three-dimensional structure of the connecting mechanism in the present invention is shown in FIG. Figure 1 ;

[0019] Figure 3 The three-dimensional structure of the connecting mechanism in the present invention is shown in FIG. Figure 2 ;

[0020] Figure 4 It is a schematic diagram of the internal structure of the connecting mechanism in the present invention;

[0021] Figure 5 It is a schematic diagram of the three-dimensional structure of the fixing seat in the present invention;

[0022] Figure 6 It is a schematic diagram of the three-dimensional structure of the movable seat in the present invention;

[0023] Figure 7 is a schematic diagram of the three-dimensional structure of the first engaging block in the present invention;

[0024] Figure 8 is a schematic diagram of the three-dimensional structure of the third engaging block in the present invention;

[0025] Fig. 9 It is a schematic diagram of the three-dimensional structure of the cover plate in the present invention.

[0026] The corresponding relationship between the various figure labels and component names in the figure is as follows:

[0027] 1. Box body; 2. Fixed seat; 3. Movable seat; 4. First meshing block; 5. Second meshing block; 6. Third meshing block; 7. Fourth meshing block; 8. First connecting plate; 9. Second connecting plate; 10. Cover plate; 11. Box door; 12. Connecting mechanism; 21. Bottom plate; 22. Connecting shaft; 23. First prism block; 24. Second prism block; 25. First spring; 26. Second spring; 31. Movable sleeve; 32. Limiting groove; 3 3. Strip groove; 34. First vertical groove; 35. Second vertical groove; 41. First prism sleeve; 42. Annular groove; 43. Tooth; 44. First tooth surface; 45. Second tooth surface; 51. Limit block; 52. Protrusion; 61. Second prism sleeve; 62. Positioning block; 71. Engaging block; 81. Insert block; 91. Movable hole; 92. Positioning groove; 93. Insert slot; 101. First plug plate; 102. Second plug plate; 103. External sealing plate. DETAILED DESCRIPTION

[0028] The technical solution of the present invention will be clearly and completely described below in conjunction with embodiments.

[0029] Based on the embodiments in this application, all other embodiments obtained by ordinary technicians in this field without making any creative work should fall within the scope of protection of this application.

[0030] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the numbers used in this way can be interchanged where appropriate, so as to describe the embodiments of the present application described herein.

[0031] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present invention and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0032] In addition to being used to indicate a position or location relationship, some of the above terms may also be used to indicate other meanings. For example, the term "on" may also be used to indicate a certain dependency or connection relationship in some cases. For those skilled in the art, the specific meanings of these terms in the present invention can be understood according to specific circumstances.

[0033] like Figure 1-Figure 6 As shown, it is a preferred embodiment of the present invention, a ring network box, including a box body 1 and a box door 11, the box door 11 is movably installed on the side of the box door 11 through a connecting mechanism 12, so that the box door 11 can be freely opened and closed relative to the box body 1, the connecting mechanism 12 includes a fixed seat 2 and a movable seat 3, the fixed seat 2 is fixedly connected to the box body 1, the movable seat 3 is fixedly connected to the box door 11, a connecting shaft 22 is fixedly provided on the fixed seat 2, and a first meshing The engaging block 4 and the second engaging block 5, the movable sleeve 31 of the first engaging block 4 is arranged on the connecting shaft 22 and can only move vertically relative to the connecting shaft 22, the outer side of the second engaging block 5 is provided with a horizontally extending limit block 51, the movable seat 3 is provided with a movable sleeve 31 arranged on the outer sides of the two engaging blocks, the movable sleeve 31 is provided with a limit groove 32 in the shape of a fan ring and for the limit block 51 to be movably inserted, and a first spring 25 is provided between the movable sleeve 31 and the first engaging block 4 to interfere with the two.

[0034] Specifically, Figure 4 and Figure 7 As shown, the first meshing block 4 and the second meshing block 5 are both provided with a plurality of teeth 43 arranged in a ring shape. In the present embodiment, the teeth 43 of the first meshing block 4 mesh with the teeth 43 of the second meshing block 5 from below. Furthermore, each tooth 43 includes an inclined first tooth surface 44 and a vertical second tooth surface 45. The first tooth surface 44 on the first meshing block is inclined in a counterclockwise direction, and the second tooth surface 45 connects the highest point and the lowest point of the two first tooth surfaces 44.

[0035] When the second meshing block 5 rotates counterclockwise relative to the second meshing block 5, the first tooth surface 44 of the second meshing block 5 contacts the tooth surface of the first meshing block 4, allowing the first meshing block 4 to move downward, and then the tooth portion 43 of the second meshing block 5 can move to the next tooth portion 43 of the first meshing block 4, thereby realizing the counterclockwise rotation of the second meshing block 5; when the second meshing block 5 rotates clockwise, after its second tooth surface 45 contacts the second tooth surface 45 of the first meshing block 4, it can only apply a horizontal force to the first meshing block 4, and cannot drive the first meshing block 4 to move downward, thereby preventing the second meshing block 5 from rotating clockwise. It should be noted that the specific structural setting of the internal components of the connecting mechanism 12 is related to the opening direction of the connected box door 11. Unless otherwise specified, the relevant components of the connecting mechanism 12 mentioned below are the same as those of the connecting mechanism 12 mentioned above. In addition, the above-mentioned inability of the second meshing block 5 to rotate clockwise relative to the first meshing block 4 means that after the teeth 43 of the two are fully engaged, when the teeth 43 are not fully engaged, the second meshing block 5 can still rotate clockwise by a certain angle.

[0036] After the box door 11 is opened clockwise, the movable seat 3 will also drive the movable sleeve 31 to rotate counterclockwise relative to the connecting shaft 22. When the side wall of the limiting groove 32 contacts the limiting block 51, the limiting block 51 cannot rotate clockwise relative to the first engaging block 4, and the first engaging block 4 cannot rotate relative to the connecting shaft 22, thereby limiting the continued opening of the box door 11. At this time, the box door 11 reaches the maximum opening angle. Furthermore, a protrusion 52 is provided on the outer side of the limit block 51. The operator can hold the protrusion 52 to allow the limit block 51 to rotate counterclockwise in the limit groove 32. After the limit block 51 rotates, the distance between it and the side wall of the limit groove 32 will be shortened, thereby further reducing the maximum opening angle of the door 11. An annular groove 42 is also provided on the first engaging block 4, and a strip groove 33 is provided on the movable sleeve 31 to connect the annular groove 42 with the outside world. The operator can use a tool to pass through the strip groove 33 and insert it into the annular groove 42, and then press down to move the first engaging block 4 downward and separate it from the second engaging block 5. At this time, the operator can rotate the engaging block counterclockwise in the limit groove 32.

[0037] In this embodiment, a fourth meshing block 7 is further provided above the second meshing block 5, and the fourth meshing block 7 is meshed with the third meshing block 6. The movable sleeve 31 of the third meshing block 6 is provided on the connecting shaft 22 and can only move vertically relative to the connecting shaft 22. A cover plate 10 is also fixed at the top opening of the movable sleeve 31, and a second spring 26 is provided between the cover plate 10 and the third meshing block 6. The tooth portions 43 of the third meshing block 6 and the second meshing block 5 are arranged in the same manner, as shown in FIG. Figure 4 and Figure 8 As shown, the tooth portions 43 of the first meshing block 4 and the fourth meshing block 7 are configured identically, that is, the fourth meshing block 7 can only rotate clockwise relative to the third meshing block 6 .

[0038] like Figure 6 As shown, the movable sleeve 31 is also provided with a first vertical slot 34 and a second vertical slot 35, the first vertical slot 34 is communicated with the limiting slot 32, the limiting block 51 is inserted from the first vertical slot 34 and enters the limiting slot 32, and a snap block 71 is provided on the outer side of the fourth engaging block 7 for snapping into the bottom of the second vertical slot 35. When the box door 11 is rotated clockwise to open, the movable sleeve 31 will drive the snap block 71 to rotate clockwise together. When the box door 11 is closed counterclockwise, the snap block 71 cannot rotate counterclockwise relative to the third engaging block 6, and the third engaging block 6 cannot rotate relative to the connecting shaft 22, thereby preventing the box door 11 from closing. By adjusting the limiting block 51, the box door 11 can be basically fixed after opening, thereby reducing interference with maintenance and inspection by operators.

[0039] Furthermore, if Fig. 9As shown, the cover plate 10 is provided with a first plug plate 101 which is inserted into the first vertical groove 34, and a second plug plate 102 which is inserted into the second vertical groove 35. An outer sealing plate 103 which fits with the movable sleeve 31 is also provided on the outer side of the first plug plate 101 and the second plug plate 102 to prevent the limit block 51 or the locking block 71 from moving upward along the vertical groove.

[0040] In this embodiment, if Figure 5 As shown, the fixing seat 2 also includes a bottom plate 21, a first connecting plate 8, and a second connecting plate 9. One side of the bottom plate 21 is fixedly connected to the first connecting plate 8 and the second connecting plate 9, and the other side is fixedly connected to the box body 1. An insert block 81 is provided on the first connecting plate 8, and a slot 93 matching the insert block 81 is provided on the second connecting plate 9. One end of the connecting shaft 22 is fixedly connected to the first connecting plate 8.

[0041] Furthermore, if Figure 4 and Figure 5 As shown, the connecting shaft 22 is also provided with a first prism block 23 and a second prism block 24, the first engaging block 4 is provided with a first prism sleeve 41 movably fitted on the first prism block 23, so that the first engaging block 4 can only move vertically relative to the connecting shaft 22, and the third engaging block 6 is provided with a second prism sleeve 61, the bottom of the second prism sleeve 61 is movably fitted on the second prism block 24, and the top is sleeved on the other end of the connecting shaft 22, so that the third engaging block 6 can only move vertically relative to the connecting shaft 22, and the second prism sleeve 61 is only partially fitted with the prism blocks. After moving upward, it will be separated from the sleeve on the second prism block 24 and can rotate relative to the connecting shaft 22. At this time, the fourth engaging block 7 is separated from the third engaging block 6.

[0042] Furthermore, if Figure 2 and Figure 3 As shown, a positioning block 62 is provided on the top of the second prism sleeve 61, and a movable hole 91 for inserting the top of the second prism sleeve 61 is also provided on the second connecting plate 9, and a positioning groove 92 is provided on one side of the movable hole 91. The height of the positioning groove 92 is higher than the positioning hole. After the positioning block 62 is moved up and rotated to fit into the positioning groove 92, the box door 11 is no longer restricted when closing.

[0043] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A ring net box with adjustable opening and closing angles, comprising a box body (1) and a box door (11), wherein the box door (11) is movably mounted on a side of the box door (11) via a connecting mechanism (12), characterized in that: The connecting mechanism (12) comprises a fixed seat (2) fixedly connected to the box body (1) and a movable seat (3) fixedly connected to the box door (11); a connecting shaft (22) is fixedly provided on the fixed seat (2); a first meshing block (4) which can only move vertically relative to the connecting shaft (22) is movably connected to the connecting shaft (22); the first meshing block (4) is meshed with a second meshing block (5) which can only rotate in one direction relative to the first meshing block (4); a limit block (51) is provided on the side of the second meshing block (5); and a movable seat (3) is provided with a connecting shaft (22). A first spring (25) is sleeved on the outside of the connecting shaft (22) and is provided between the movable sleeve (31) and the first engaging block (4) to abut against the two. A limiting groove (32) is provided on the outside of the movable sleeve (31) for the limiting block (51) to be movably inserted. The limiting block (51) can rotate in the limiting groove (32) in a direction opposite to the direction in which the door (11) rotates to open. When the door (11) is opened, the limiting groove (32) contacts the limiting block (51) to stop the door (11) from rotating. The movable sleeve (31) on the connecting shaft (22) is also provided with a third meshing block (6) which can only move vertically relative to the movable sleeve (31). A second spring (26) is provided between the third meshing block (6) and the movable sleeve (31) to abut against the third meshing block (6). In the vertical direction, the third meshing block (6) is meshed with a fourth meshing block (7) which can only rotate in one direction relative to the movable sleeve (31). A locking block (71) is also provided on the side of the fourth meshing block (7) to engage with the movable sleeve (31). The rotation direction of the fourth meshing block (7) is consistent with the direction in which the door (11) rotates to open. After the door (11) is opened, the locking block (71) prevents the movable sleeve (31) from rotating in the direction in which the door (11) closes.

2. The ring network box according to claim 1, characterized in that: The movable sleeve (31) is further provided with a first vertical slot (34) and a second vertical slot (35), the first vertical slot (34) is connected to the limiting slot (32), and the engaging block (71) is engaged with the bottom of the second vertical slot (35).

3. The ring network box according to claim 2, characterized in that: The movable sleeve (31) is provided with an opening at the top, and a cover plate (10) is fixedly provided at the opening to contact the second spring (26). The cover plate (10) is provided with a first plug plate (101) that fits into the first vertical groove (34), and a second plug plate (102) that fits into the second vertical groove (35). An outer sealing plate (103) that fits the movable sleeve (31) is also provided on the outer sides of the first plug plate (101) and the second plug plate (102).

4. The ring network box according to claim 1, characterized in that: The fixing seat (2) comprises a bottom plate (21), a first connecting plate (8), and a second connecting plate (9); the bottom plate (21) fixedly connects the first connecting plate (8) and the second connecting plate (9) to the box body (1); one end of the connecting shaft (22) is fixedly connected to the first connecting plate (8); an insert block (81) is provided on the first connecting plate (8); and a slot (93) matching the insert block (81) is provided on the second connecting plate (9).

5. The ring network box according to claim 4, characterized in that: The connecting shaft (22) is also provided with a first prism block (23) and a second prism block (24); the first meshing block (4) is provided with a first prism sleeve (41) movably sleeved on the first prism block (23); the third meshing block (6) is provided with a second prism sleeve (61) movably sleeved on the second prism block (24); after the second prism sleeve (61) moves upward, it is separated from the sleeve of the second prism block (24) and can rotate relative to the connecting shaft (22); at this time, the fourth meshing block (7) is separated from the third meshing block (6).

6. The ring network box according to claim 5, characterized in that: A positioning block (62) is provided at the top of the second prism sleeve (61), and a movable hole (91) is provided on the second connecting plate (9) for inserting the top of the second prism sleeve (61). A positioning groove (92) higher than the positioning block (62) and matching with the positioning block is provided on one side of the movable hole (91).

7. The ring network box according to claim 1, characterized in that: The first engaging block (4) is also provided with an annular groove (42), the movable sleeve (31) is provided with a strip groove (33) connecting the annular groove (42) with the outside, and a protrusion (52) is provided on the outer side of the limiting block (51).

8. The ring network box according to claim 1, characterized in that: A plurality of meshing teeth (43) are provided between the first meshing block (4) and the second meshing block (5), and between the third meshing block (6) and the fourth meshing block (7), wherein the teeth (43) comprise an inclined first tooth surface (44) and a vertical second tooth surface (45).

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