Control box

Abstract

The control box comprises a box body, a lower opening is formed in the top of the box body, and a lower box cavity is formed in the lower opening; a box cover is further arranged at the top of the box body, an upper opening is formed in the face, facing the lower opening, of the box cover, and an upper box cavity is formed in the upper opening; a rectangular window area is arranged on the top surface of the box cover, and the thickness of the top surface of the box cover in the window area is smaller than that of the top surface of the box cover at the periphery of the window area; the top surface of the box cover is provided with an upper easy-to-fold groove which is formed around the inner side of the window area, the bottom surface of the box cover is provided with inclined easy-to-fold grooves which are formed corresponding to the vertex angle positions of the window area, and the inclined easy-to-fold grooves at the vertex angle positions are connected with one another or are connected through halving easy-to-fold grooves which are formed in the bottom surface of the box cover and correspond to the halving positions of the window area. The utility model has the advantages that the reserved panel window can be conveniently opened as required, the overall strength can be ensured, and electrical elements can be conveniently arranged and installed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of electrical fittings, and particularly relates to a control box. BACKGROUND

[0002] The existing speed detector control box is generally formed in the form of injection molding or aluminum alloy or zinc alloy pressure casting, and since the end adaptability and the mold versatility are considered, the control box body is not provided with a reserved opening when the mold is designed, and the panel window is cut according to the actual needs and the adaptability of the electrical equipment during the end assembly, professional equipment needs to be used in the cutting process, and cutting misplacement and skewing are prone to occur. SUMMARY

[0003] In view of the above problems, the utility model provides a control box which can conveniently open a reserved panel window according to needs, ensure the overall strength, and facilitate the arrangement and installation of electrical elements.

[0004] In view of the above problems, the utility model provides a control box which can conveniently open a reserved panel window according to needs, ensure the overall strength, and facilitate the arrangement and installation of electrical elements.

[0005] In the above structure, the window area is used as an opening reserved area, and when the window needs to be processed at the end, the center area of the window area is pressed, at this time, the center area of the window area presents a sinking trend, the upper folding groove bottom of the upper surface of the window area forms stress and presents an opening trend, and the folding groove bottom of the inclined folding groove corresponding to the window area on the bottom surface of the cover and the folding groove bottom of the split folding groove also form stress and present an opening trend, so that the inclined folding groove, the split folding groove and the upper folding groove can be broken and separated under small pressure, the inclined folding groove can effectively separate the window area material at the top corner position, and thus the overall size accuracy of the window area is ensured.

[0006] The utility model is further provided with a reinforcing connecting pile at the connection position of the inclined folding groove and the inclined folding groove or the connection position of the inclined folding groove and the split folding groove.

[0007] In the structure, the reinforced connecting pile is used to improve the crack resistance between the inclined easy-to-break grooves or between the inclined easy-to-break grooves and the split easy-to-break grooves, so as to improve the compression resistance of the window area.

[0008] The utility model further sets up, the reinforced connecting pile end is equipped with the conical pit.

[0009] In the structure, the conical pit can provide positioning for the drill bit, and a small drill bit can be used for drilling and tapping to serve as the mounting hole of the electrical equipment.

[0010] The utility model further sets up, the upper box cavity top surface is equipped with upper connecting pile, the upper connecting pile corresponds to the window area outside position department;The lower box cavity bottom is equipped with a plurality of lower connecting piles.

[0011] In the structure, the upper connecting pile and the lower connecting pile can be drilled and tapped by a drill bit to serve as the mounting hole of the electrical equipment.

[0012] The utility model further sets up, the upper connecting pile end and lower connecting pile end are equipped with conical pit.

[0013] In the structure, the conical pit can provide positioning for the drill bit.

[0014] The utility model further sets up, the lower opening outside of one side of the box body and the upper opening outside of one side of the box cover are hingedly connected with each other, so that the box cover is opened upward or downward.

[0015] In the structure, the relative position accuracy of the two is ensured, and the installation direction error can be avoided.

[0016] The utility model further sets up, the box body top is further equipped with the flange that sets up around the lower opening inner side;The box cover is equipped with the groove that sets up around the upper opening, and the groove is used for accommodating the flange when the box cover is buckled.

[0017] In the structure, the groove width is greater than the flange width, and the groove depth is greater than the flange depth.

[0018] The utility model further sets up, the groove is equipped with sealing ring.

[0019] In the structure, the flange and the sealing ring abut when the box cover is buckled, so that the sealing property is ensured.

[0020] The utility model further sets up, the box body and the box cover are made of zinc alloy or aluminum alloy material.

[0021] The above structure effectively ensures overall strength, durability, and explosion-proof performance.

[0022] The present invention is further configured such that the cross-section of the upper easy-fold groove, the oblique easy-fold groove and the split easy-fold groove is V-shaped; the depth of the upper easy-fold groove, the oblique easy-fold groove and the split easy-fold groove is not less than half the thickness of the window area on the top surface of the box cover.

[0023] In the above structure, the V-shaped cross-section can effectively concentrate stress at the bottom of the groove, causing cracks to form at the bottom of the groove.

[0024] The beneficial effects of this utility model are as follows: When the window area is used as a reserved opening area, pressure is applied to the central area of ​​the window area when the window needs to be opened at the rear. At this time, the central area of ​​the window area tends to sink, which causes stress to form on the bottom of the upper easy-break groove on the upper surface of the window area and causes it to tend to open. The bottom of the oblique easy-break groove and the split easy-break groove located on the bottom surface of the box cover and corresponding to the window area also form stress and tend to open. This allows it to break and separate along the upper easy-break groove, the oblique easy-break groove and the split easy-break groove under a small pressure. The oblique easy-break groove can effectively separate the window area material at the top corner, thereby ensuring the overall dimensional accuracy of the window area. Attached Figure Description

[0025] Figure 1 This is a schematic diagram of the first three-dimensional structure of this utility model.

[0026] Figure 2 This is a three-dimensional structural diagram of the box lid in the open state of this utility model.

[0027] Figure 3 This utility model Figure 1 A schematic diagram of the full sectional three-dimensional structure.

[0028] Figure 4 This utility model Figure 2 A schematic diagram of the full sectional three-dimensional structure.

[0029] Figure 5 This is a schematic diagram of the second three-dimensional structure of this utility model.

[0030] Figure 6 This utility model Figure 3 A magnified structural diagram of part A.

[0031] In the figure, the meaning of the label: 10-box; 11-lower opening; 12-lower box cavity; 13-screw hole; 14-lower connecting pile; 15-flange; 16-fixing lug; 161-fixing groove; 20-box cover; 21-upper opening; 22-upper box cavity; 23-fixing hole; 24-window area; 241-upper easy folding groove; 242-oblique easy folding groove; 243-splitting easy folding groove; 25-enhanced connecting pile; 251-tapered pit; 26-upper connecting pile; 27-groove; 271-sealing ring; 30-screw. DETAILED DESCRIPTION

[0032] The specific embodiments of the utility model are described in further detail below in combination with the drawings and examples. The following examples are used to illustrate the utility model, but not to limit the scope of the utility model.

[0033] Reference Figures 1 to 6 As Figures 1 to 6 shown in a kind of control box, including box 10, the lower opening 11 is equipped at the top of the box 10, the lower box cavity 12 is equipped in the lower opening 11, the box cover 20 is also equipped at the top of the box 10, the upper opening 21 is equipped in the side of the box cover 20 facing the lower opening 11, the upper box cavity 22 is equipped in the upper opening 21, the fixing hole 23 is equipped at the top corner of the box cover 20 from the outside of the upper opening 21, the screw 30 is equipped in the fixing hole 23, the screw hole 13 that is adapted to the screw 30 is equipped at the top corner position of the lower opening 11 of the box 10, the rectangular window area 24 is equipped on the top surface of the box cover 20, the top surface thickness T1 of the box cover 20 in the window area 24 is less than the top surface thickness T2 of the box cover 20 at the peripheral position of the window area 24, the upper easy folding groove 241 is equipped around the inside of the window area 24 on the top surface of the box cover 20, the oblique easy folding groove 242 corresponding to the top corner position of the window area 24 is equipped on the bottom surface of the box cover 20, the oblique easy folding groove 242 at each top corner position is connected or connected by the splitting easy folding groove 243 located at the middle split position of the window area 24 on the bottom surface of the box cover 20.

[0034] In the above structure, the window area 24 is as opening reserved area, when needing to open window processing in rear end, the central region of the window area 24 is pressed, at this time, the central region of the window area 24 presents subsidence tendency, the groove bottom of the upper easy folding groove 241 on the upper surface of the window area 24 forms stress and presents opening tendency, and the groove bottom of the oblique easy folding groove 242 corresponding to the window area 24 on the bottom surface of the box cover 20 and the groove bottom of the splitting easy folding groove 243 also form stress and present opening tendency, so that it can be broken and separated along the upper easy folding groove 241, the oblique easy folding groove 242 and the splitting easy folding groove 243 under exerting smaller pressure, the oblique easy folding groove 242 can effectively separate the material of the window area 24 at top corner position, to ensure the overall dimensional accuracy of the window area 24.

[0035] In this embodiment, a reinforcing connecting pile 25 is provided at the connection between the inclined easy-break groove 242 and the inclined easy-break groove 242 or at the connection between the inclined easy-break groove 242 and the split easy-break groove 243.

[0036] In the above structure, the reinforcing connecting pile 25 is used to improve the crack resistance between the inclined folding grooves 242 or between the inclined folding groove 242 and the split folding groove 243, so as to improve the compressive strength of the window area 24. When it is necessary to open a window in the window area 24, the reinforcing connecting pile 25 can be removed by drilling to weaken the strength at the joint of the inclined folding grooves 242 or the joint of the inclined folding grooves 242 and the split folding groove 243, thereby ensuring the strength while meeting the requirements for opening a window.

[0037] In this embodiment, the end of the reinforced connecting pile 25 is provided with a conical recess 251.

[0038] In the above structure, the conical recess 251 can provide positioning for the drill bit, and at the same time, it can also be used to drill and tap holes for electrical equipment.

[0039] In this embodiment, the top surface of the upper box cavity 22 is provided with an upper connecting post 26, which corresponds to the position outside the window area 24; the bottom of the lower box cavity 12 is provided with a plurality of lower connecting posts 14.

[0040] In the above structure, the upper connecting pile 26 and the lower connecting pile 14 can be drilled and tapped to serve as mounting holes for electrical equipment.

[0041] In this embodiment, the ends of the upper connecting pile 26 and the lower connecting pile 14 are provided with conical recesses 251.

[0042] In the above structure, the conical recess 251 can provide positioning for the drill bit.

[0043] In this embodiment, the outer side of the lower opening 11 on one side of the box body 10 is hinged to the outer side of the upper opening 21 on one side of the box cover 20, so that the box cover 20 can be opened by flipping up or closed by flipping down along the hinge axis.

[0044] The above structure ensures the accuracy of the relative positions of the two components and also avoids incorrect orientation during installation.

[0045] In this embodiment, the top of the box body 10 is also provided with a flange 15 surrounding the inner side of the lower opening 11; the box cover 20 is provided with a groove 27 surrounding the upper opening 21 for accommodating the flange 15 when the box cover 20 is closed.

[0046] In the above structure, the width of the groove 27 is greater than the width of the flange 15, and the depth of the groove 27 is greater than the depth of the flange 15.

[0047] In this embodiment, a sealing ring 271 is provided in the groove 27.

[0048] In the structure, the flange 15 abuts against the sealing ring 271 when the box cover 20 is buckled, thereby ensuring the sealing.

[0049] In the embodiment, the box body 10 and the box cover 20 are made of zinc alloy or aluminum alloy.

[0050] In the structure, the overall strength, durability and explosion-proof property can be effectively ensured.

[0051] In the embodiment, the upper easy-to-fold groove 241, the oblique easy-to-fold groove 242 and the bisecting easy-to-fold groove 243 have V-shaped cross sections; and the depths of the upper easy-to-fold groove 241, the oblique easy-to-fold groove 242 and the bisecting easy-to-fold groove 243 are not less than half of the thickness of the position of the window area 24 on the top surface of the box cover 20.

[0052] In the structure, the V-shaped cross sections can effectively concentrate stress on the groove bottoms, so that cracks are formed at the groove bottoms.

[0053] In the embodiment, the box body 10 is provided with the fixing ears 16 on both sides of the bottom thereof, the fixing ears 16 are provided with the fixing grooves 161, and the bottom surfaces of the fixing ears 16 are spaced apart from the bottom surface of the box body 10 to form the overhanging areas.

[0054] In the structure, the bottom surface of the box body 10 can be prevented from being attached to the mounting surface, so that the heat dissipation effect is improved and the moisture is prevented from being accumulated.

[0055] The box cover 20 has the following beneficial effects: the window area 24 is used as a reserved opening area, the center area of the window area 24 is pressed when the window is processed at the rear end, the center area of the window area 24 presents a sinking trend at this time, the stress is formed on the groove bottom of the upper easy-to-fold groove 241 on the upper surface of the window area 24 and presents an opening trend, the stress is also formed on the groove bottoms of the oblique easy-to-fold groove 242 and the bisecting easy-to-fold groove 243 corresponding to the window area 24 on the bottom surface of the box cover 20 and presents an opening trend, the window area 24 material at the top corner position can be effectively separated by the oblique easy-to-fold groove 242, and the overall size precision of the window area 24 is ensured.

[0056] The preferred embodiments of the utility model are described above, and it should be noted that, for ordinary skilled persons in the technical field, some improvements and modifications can be made without departing from the technical principles of the utility model, and the improvements and modifications of the above assumptions should also be regarded as the protection scope of the utility model.

Claims

1. A control box, comprising a box body, wherein the top of the box body has a lower opening, and the lower opening provides a lower cavity; the top of the box body also has a box cover, the side of the box cover facing the lower opening has an upper opening, and the upper opening provides an upper cavity; the top corner of the box cover has a fixing hole passing through the outside of the upper opening, the fixing hole contains a screw, and the lower opening of the box body has a screw hole at its top corner that is adapted to the screw, characterized in that: The top surface of the lid has a rectangular window area, and the thickness of the top surface of the lid within the window area is less than the thickness of the top surface of the lid at the outer perimeter of the window area. The top surface of the lid has an upper easy-fold groove that is opened around the inner side of the window area, and the bottom surface of the lid has an oblique easy-fold groove that is opened at the top corner of the window area. The oblique easy-fold grooves at each top corner are connected to each other or connected by a bisecting easy-fold groove located at the center position of the window area on the bottom surface of the lid.

2. A control box according to claim 1, characterized in that: Reinforcing connecting piles are provided at the connection points between the inclined folding grooves or between the inclined folding grooves and the split folding grooves.

3. A control box according to claim 2, characterized in that: The end of the reinforced connecting pile is provided with a conical recess.

4. A control box according to claim 1, characterized in that: The upper box cavity has an upper connecting post on its top surface, which corresponds to the position outside the window area; the lower box cavity has several lower connecting posts at its bottom.

5. A control box according to claim 4, characterized in that: The ends of the upper and lower connecting piles are provided with conical recesses.

6. A control box according to claim 1, characterized in that: The outer side of the lower opening on one side of the box body is hinged to the outer side of the upper opening on one side of the lid, so that the lid can be opened by flipping up or closed by flipping down along the hinge axis.

7. A control box according to claim 1, characterized in that: The top of the box body is also provided with a flange surrounding the inner side of the lower opening; the box cover is provided with a groove surrounding the upper opening to accommodate the flange when the box cover is closed.

8. A control box according to claim 7, characterized in that: A sealing ring is provided inside the groove.

9. A control box according to claim 1, characterized in that: The box body and lid are made of zinc alloy or aluminum alloy.

10. A control box according to claim 1, characterized in that: The upper folding groove, the oblique folding groove, and the split folding groove have V-shaped cross-sections; the depth of the upper folding groove, the oblique folding groove, and the split folding groove is not less than half the thickness of the window area on the top surface of the lid.

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