Box door device and weak current box

Abstract

The utility model relates to a box door device and a weak current box, and relates to the technical field of weak current boxes. The box door device comprises a door plate, a door frame capable of being installed on a box body and a hinge mechanism used for achieving rotating connection of the door plate and the door frame, and the hinge mechanism comprises a first hinge seat, a second hinge seat and a third hinge seat, the second hinge seat is fixedly arranged on the door frame and rotationally connected with the first hinge seat through a hinge shaft, and the hinge shaft is in clearance fit with the first hinge seat and the second hinge seat; and the buckle is operably matched with or separated from the hinge shaft so as to hoop or release the hinge shaft, and when the buckle is hooped with the hinge shaft, the buckle abuts against and is limited on the first hinge seat and / or the second hinge seat so as to limit the axial movement of the hinge shaft. According to the utility model, the buckle tightly hooped on the hinge shaft can prevent the hinge shaft from falling off from the hinge seat, so that the mounting and limiting are reliable; and the buckle is detachably connected with the hinge shaft, so that the mounting and the dismounting are more convenient and quicker.

Description

Technical Field

[0001] The utility model relates to the technical field of weak current boxes, in particular to a box door device and a weak current box. Background Art

[0002] A low-voltage box refers to a centralized box for weaker voltage lines. It can be used to store network cables, telephone lines, computer monitors, USB cables, TV VGA and other equipment or lines to avoid exposing the equipment or lines and making them appear messy and disorderly.

[0003] In the prior art, the door and the box body of the weak current box are often hinged by hinges, and the hinges, the door and the box body need to be installed separately during installation, so it is inconvenient to install and disassemble the door. Utility Model Content

[0004] The utility model provides a box door device and a weak current box, which are used to solve the problem of inconvenient installation and disassembly between the box door and the box body of the weak current box in the prior art.

[0005] On the one hand, the utility model provides a box door device, which includes a door panel, a door frame that can be installed on a box body, and a hinge mechanism for realizing a rotational connection between the door panel and the door frame, wherein the hinge mechanism includes:

[0006] A first hinge seat is fixedly mounted on the door panel;

[0007] A second hinge seat, fixedly mounted on the door frame and rotatably connected to the first hinge seat via a hinge shaft, wherein the hinge shaft is respectively loosely matched with the first hinge seat and the second hinge seat; and

[0008] The buckle can be operably engaged with or disengaged from the hinge shaft to tighten or release the hinge shaft. When the buckle is tightened with the hinge shaft, the buckle is restrained and limited on the first hinge seat and / or the second hinge seat to limit the axial movement of the hinge shaft.

[0009] Optionally, the buckle comprises a slot having an opening, and an inner wall of the slot is suitable for interference fit with the hinge shaft to clamp the hinge shaft;

[0010] The buckle is elastic, and when the buckle is elastically deformed, the diameter of the opening can be increased so that the hinge shaft enters or leaves the slot; or the buckle can reduce the diameter of the opening and reset under the action of its own elastic force.

[0011] Optionally, the buckle includes:

[0012] Two matching clamping parts are arranged in a relatively matching manner;

[0013] The connecting part is connected between the two matching clamping parts, the clamping groove is defined by the inner wall of the connecting part and the inner walls of the two matching clamping parts, and the opening is formed by the spacing of the two matching clamping parts.

[0014] Optionally, a clamping protrusion is formed on the inner side of each of the two matching clamping parts, and the clamping protrusion on one matching clamping part is spaced apart from the clamping protrusion on the other matching clamping part to form the opening;

[0015] A pressing portion that can be pressed is formed on the outer wall of the connecting portion near the middle position; during installation, by pressing the pressing portion on the connecting portion radially inward along the slot, the hinge shaft located outside the slot and resting on the clamping protrusion can drive the two mating clamping parts to open, thereby increasing the diameter of the opening, thereby allowing the hinge shaft to enter the slot.

[0016] Optionally, a guide surface connected to the clamping slot is formed on the mating clamping portion, and the clamping protrusion is located between the guide surface and the clamping slot.

[0017] Optionally, both ends of the connecting portion extend outward to form two end protrusions, and when the end protrusions are acted upon by force, they can drive the two mating clamping portions to open, so as to increase the diameter of the opening, thereby disengaging the hinge shaft from the slot.

[0018] Optionally, the first hinge seat includes two first connection ribs arranged at a relative interval, and each of the first connection ribs is provided with a first hinge hole suitable for gap matching with the hinge shaft;

[0019] The buckle clamped on the hinge shaft can be restrained and positioned between the two first connecting ribs, thereby limiting the axial movement of the hinge shaft.

[0020] Optionally, the second hinge seat includes two second connecting ribs arranged relatively at intervals, and the two second connecting ribs correspond to the two first connecting ribs one by one;

[0021] The second connecting ribs are each provided with a second hinge hole corresponding to the first hinge hole.

[0022] Optionally, the door panel and / or the door frame are made of insulating material.

[0023] Optionally, heat dissipation holes are provided on the door panel.

[0024] Optionally, the door frame is provided with a handle position suitable for opening the door panel.

[0025] Optionally, the door frame is provided with mounting holes for mounting the door frame on the box body.

[0026] On the other hand, the utility model also provides a low-voltage box, including the box door device described in the aforementioned embodiment.

[0027] Compared with the prior art, the advantages of the utility model are:

[0028] 1. In order to facilitate installation and disassembly, the hinge structure in the utility model is arranged in a manner that the same hinge shaft is clearance-matched with the first hinge seat and the second hinge seat respectively. The clearance-matching manner makes it more convenient and labor-saving to install the hinge shaft; when the buckle is clamped on the hinge shaft, the buckle can resist and limit on the first hinge seat and / or the second hinge seat to limit the axial movement of the buckle and the hinge shaft, thereby preventing the hinge shaft from falling off the hinge seat, and the connection limit is reliable; and the buckle is detachably connected to the hinge shaft, ensuring that installation and disassembly are more convenient and quick.

[0029] In addition, compared with the interference fit between the hinge shaft and one of the hinge seats in the prior art, in this embodiment, the first hinge seat on the door panel and the second hinge seat on the door frame are both clearance-fitted with the hinge shaft, so it is more labor-saving to operate the door panel to rotate.

[0030] 2. In the utility model, the buckle includes a slot with an opening, and the inner wall of the slot is suitable for interference fit with the hinge shaft to clamp the hinge shaft; the buckle is elastic, and the buckle can increase the diameter of the opening when elastically deformed, so that the hinge shaft enters or leaves the slot; or the buckle can reduce the diameter of the opening and reset under the action of its own elastic force. In this way, during installation, the diameter of the slot opening can be increased through operation to allow the hinge shaft to enter the slot, and the buckle can be reset under the action of its own elastic force to clamp the hinge shaft; during disassembly, the diameter of the slot opening can be increased through operation to allow the hinge shaft to leave the slot. In this way, the buckle can be conveniently tightened or released by operation.

[0031] 3. In the utility model, a clamping protrusion is formed on the inner side of each of the two matching clamping parts, and the clamping protrusion on one matching clamping part is arranged at an interval with the clamping protrusion on the other matching clamping part to form an opening; a pressing part for pressing is formed on the outer wall of the connecting part near the middle position. With such arrangement, during installation, the pressing part on the connecting part is pressed radially inward along the slot by hand, and the hinge shaft located outside the slot and abutting on the clamping protrusion can drive the two matching clamping parts to open, thereby increasing the diameter of the opening, so that the hinge shaft enters the slot; after the hinge shaft enters the slot, due to the arrangement of the clamping protrusion, the hinge shaft can be restricted from entering the slot, effectively preventing the hinge shaft from escaping from the slot, and the installation and clamping are secure.

[0032] 4. In the utility model, a guide surface connected to the card slot is formed on the matching clamping part, and the card protrusion is located between the guide surface and the card slot. By providing the guide surface, the hinge shaft can enter the card slot more smoothly along the guide surface after passing the card protrusion during installation.

[0033] 5. In the utility model, the two ends of the connection part extend outward to form two end protrusions. When the end protrusions are acted upon by force, they can drive the two matching clamping parts to open to increase the diameter of the opening, thereby conveniently disengaging the hinge shaft from the slot and making disassembly more convenient.

[0034] 6. The installation process in this utility model is as follows:

[0035] Bring the door panel and the door frame's rotating shaft close to each other so that the first hinge hole on the first hinge seat is aligned with the first hinge hole on the second hinge seat; pass one end of the hinge shaft through the first hinge hole and the second connecting hole, and the first hinge hole and the second connecting hole are both loosely matched with the hinge shaft; then clamp the buckle on the hinge shaft, and the buckle and the hinge shaft are interference fit, and the two side walls of the buckle facing the first connecting rib can be stopped and limited on the two first connecting ribs to limit the axial movement of the hinge shaft and prevent the hinge shaft from falling off, thereby completing the installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0036] The present invention will be described in more detail below based on embodiments and with reference to the accompanying drawings.

[0037] Figure 1 This is an exploded view of the door device in the embodiment of the utility model;

[0038] Figure 2 It is a structural schematic diagram of a door panel in an embodiment of the utility model;

[0039] Figure 3 It is a structural schematic diagram of a door frame in an embodiment of the utility model;

[0040] Figure 4 It is a structural schematic diagram of a buckle in an embodiment of the utility model.

[0041] Reference numerals:

[0042] 1. Door panel; 11. Heat dissipation holes;

[0043] 2. Door frame; 21. Handle position; 22. Mounting hole;

[0044] 3. First hinge seat; 31. First hinge hole;

[0045] 4. Second hinge seat; 41. Second hinge hole;

[0046] 5. Articulated shaft;

[0047] 6. Buckle; 61. Slot; 62. Matching clamping portion; 63. Clamping protrusion; 64. Pressing portion; 65. End protrusion; 66. Guide surface. DETAILED DESCRIPTION

[0048] The utility model will be further described below in conjunction with the accompanying drawings.

[0049] The embodiment of the utility model provides a box door device, which comprises a door panel 1, a door frame 2 for being installed on a box body, and a hinge mechanism for realizing a rotational connection between the two.

[0050] The door panel 1 mainly serves as a shield and decoration, and is provided with heat dissipation holes 11 for heat dissipation. There are multiple heat dissipation holes 11, and multiple heat dissipation holes 11 are arranged at intervals to form an array. Optionally, the array can be in a regular shape such as a rectangle, a circle, an ellipse, or a polygon; the regular and concentrated hole array can effectively export the heat of each device in the box. Of course, the array can also be an irregular shape, which is not limited in this embodiment. The heat dissipation holes 11 are distributed near the middle of the door panel 1. The heat dissipation holes 11 are round holes with a diameter of 1mm to 5mm.

[0051] Compared with the traditional low-voltage box door panel 1 formed by bending the sheet metal process, the door panel 1 in this embodiment adopts an injection-molded structural component to avoid affecting signal transmission.

[0052] The door frame 2 is provided with a mounting hole 22, and the door frame 2 can be mounted on the box body by passing a screw or bolt through the mounting hole 22. The door frame 2 adopts an injection molded structural component to avoid affecting signal transmission. The door frame 2 is provided with a handle position 21 suitable for opening the door panel 1, which is used to facilitate the user to operate when opening or closing the door panel 1; optionally, the handle position 21 is an avoidance groove opened on the door frame 2.

[0053] The hinge mechanism comprises a first hinge seat 3 , a second hinge seat 4 , a hinge shaft 5 and a buckle 6 .

[0054] The first hinge seat 3 is fixed at the rotating shaft on one side of the door panel 1, and the second hinge seat 4 is fixed at the rotating shaft on one side of the door frame 2. The second hinge seat 4 and the first hinge seat 3 are respectively clearance-matched with the same hinge shaft 5, and the two hinge seats are rotatably connected through the hinge shaft 5; the buckle 6 can be operably matched with or disengaged from the hinge shaft 5 to tighten or release the hinge shaft 5. When the buckle 6 is tightened with the hinge shaft 5, the buckle 6 resists and limits the first hinge seat 3 and / or the second hinge seat 4 to limit the axial movement of the hinge shaft 5.

[0055] To facilitate installation and disassembly, in the present embodiment, the hinge structure is arranged in a manner that the same hinge shaft 5 is clearance-matched with the first hinge seat 3 and the second hinge seat 4 respectively. The clearance-matching method makes the installation of the hinge shaft 5 more convenient and labor-saving; when the buckle 6 is tightened with the hinge shaft 5, the buckle 6 can resist and limit the position on the first hinge seat 3 and / or the second hinge seat 4 to limit the axial movement of the buckle 6 and the hinge shaft 5, thereby preventing the hinge shaft 5 from falling off the hinge seat, and the connection limit is reliable; and the buckle 6 is detachably connected to the hinge shaft 5, ensuring that the installation and disassembly are more convenient and quick.

[0056] In addition, compared with the interference fit between the hinge shaft 5 and one of the hinge seats in the prior art, in this embodiment, the first hinge seat 3 on the door panel 1 and the second hinge seat 4 on the door frame 2 are both clearance fit with the hinge shaft 5, so it is more labor-saving to operate the rotation of the door panel 1.

[0057] Specifically, the buckle 6 includes a slot 61 with an opening, the inner wall of the slot 61 is suitable for interference fit with the hinge shaft 5 to clamp the hinge shaft 5; the buckle 6 is elastic, and the caliber of the opening can be increased when the buckle 6 is elastically deformed, so that the hinge shaft 5 enters or leaves the slot 61; after the operation is completed, the buckle 6 can reduce the caliber of the opening and reset under the action of its own elastic force. The opening caliber of the slot 61 is smaller than the diameter of the hinge shaft 5.

[0058] With such a configuration, during installation, the opening diameter of the slot 61 can be enlarged by operation, so that the hinge shaft 5 enters the slot 61, and the buckle 6 is reset under the action of its own elastic force to clamp the hinge shaft 5; during removal, the opening diameter of the slot 61 can be enlarged by operation, so that the hinge shaft 5 is separated from the slot 61. In this way, the buckle 6 can be conveniently clamped or released by operation.

[0059] Optionally, the buckle 6 includes two mating clamping parts 62 that are arranged in relative cooperation with each other, and a connecting part connected between the two mating clamping parts 62. The slot 61 is defined by the inner wall of the connecting part and the inner walls of the two mating clamping parts 62, and the opening of the slot 61 is formed by the spacing of the two mating clamping parts 62.

[0060] Furthermore, a clamping protrusion 63 is formed on each inner side of the two matching clamping parts 62, and the clamping protrusion 63 on one matching clamping part 62 is arranged at an interval with the clamping protrusion 63 on the other matching clamping part 62 to form an opening; a pressing part 64 is formed on the outer wall of the connecting part near the middle position. With such arrangement, when installing, the pressing part 64 on the connecting part is pressed radially inward along the slot 61 by hand, and the hinge shaft 5 located outside the slot 61 and abutting on the clamping protrusion 63 can drive the two matching clamping parts 62 to open, thereby increasing the caliber of the opening, so that the hinge shaft 5 enters the slot 61; after the hinge shaft 5 enters the slot 61, due to the arrangement of the clamping protrusion 63, the hinge shaft 5 can be restricted from entering the slot 61, effectively preventing the hinge shaft 5 from escaping from the slot 61, and the installation and clamping are secure.

[0061] Preferably, a guide surface 66 communicating with the card slot 61 is formed on the matching clamping portion 62, and the card protrusion 63 is located between the guide surface 66 and the card slot 61. By providing the guide surface 66, the hinge shaft 5 can be more smoothly installed along the guide surface 66 and enter the card slot 61 after passing the card protrusion 63.

[0062] Optionally, both ends of the connection portion extend outward to form two end protrusions 65. When the end protrusions 65 are acted upon by force, they can drive the two mating clamping portions 62 to open to increase the diameter of the opening, thereby conveniently disengaging the hinge shaft 5 from the slot 61, making disassembly more convenient.

[0063] Optionally, the first hinge seat 3 includes two first connecting ribs arranged relatively at intervals, and each of the first connecting ribs is provided with a first hinge hole 31 suitable for clearance fitting with the hinge shaft 5; the buckle 6 clamped on the hinge shaft 5 can be blocked and limited between the two first connecting ribs, thereby limiting the axial movement of the hinge shaft 5.

[0064] With such arrangement, the two side walls of the buckle 6 facing the first connecting ribs can be stopped on the two first connecting ribs to limit the axial movement of the hinge shaft 5, thereby preventing the hinge shaft 5 from falling off.

[0065] Optionally, the second hinge seat 4 includes two second connection ribs that are relatively spaced apart, and the two second connection ribs correspond to the two first connection ribs one by one; and the second connection ribs are each provided with a second hinge hole 41 corresponding to the first hinge hole 31 .

[0066] Optionally, the hinge shaft 5 is columnar, and the material of the hinge shaft 5 is metal, which can be 45 steel. Of course, the hinge shaft 5 can also be made of other materials.

[0067] The installation process of the door device in this embodiment is as follows:

[0068] Bring the door panel 1 and the door frame 2 close to each other in rotation axis so that the first hinge hole 31 on the first hinge seat 3 is aligned with the first hinge hole 31 on the second hinge seat 4; pass one end of the hinge shaft 5 through the first hinge hole 31 and the second connecting hole, and the first hinge hole 31 and the second connecting hole are both loosely matched with the hinge shaft 5; then clamp the buckle 6 on the hinge shaft 5, and the buckle 6 and the hinge shaft 5 are interference fit, and the two side walls of the buckle 6 facing the first connecting rib can be stopped and limited on the two first connecting ribs to limit the axial movement of the hinge shaft 5 and prevent the hinge shaft 5 from falling off, thereby completing the installation.

[0069] The utility model also provides a weak current box, comprising the box door device in the aforementioned embodiment.

[0070] Although the present invention has been described with reference to preferred embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present invention. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there is no structural conflict. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A door device, characterized in that: It comprises a door panel, a door frame which can be mounted on a box body, and a hinge mechanism for realizing a rotational connection between the door panel and the door frame, wherein the hinge mechanism comprises: A first hinge seat is fixedly mounted on the door panel; A second hinge seat, fixedly mounted on the door frame and rotatably connected to the first hinge seat via a hinge shaft, wherein the hinge shaft is respectively loosely matched with the first hinge seat and the second hinge seat; and The buckle can be operably engaged with or disengaged from the hinge shaft to tighten or release the hinge shaft. When the buckle is tightened with the hinge shaft, the buckle is restrained and limited on the first hinge seat and / or the second hinge seat to limit the axial movement of the hinge shaft.

2. The door device according to claim 1, characterized in that: The buckle comprises a slot with an opening, and the inner wall of the slot is suitable for interference fit with the hinge shaft to clamp the hinge shaft; The buckle is elastic, and when the buckle is elastically deformed, the diameter of the opening can be increased so that the hinge shaft enters or leaves the slot; or the buckle can reduce the diameter of the opening and reset under the action of its own elastic force.

3. The door device according to claim 2, characterized in that: The buckle comprises: Two matching clamping parts are arranged in a relatively matching manner; The connecting part is connected between the two matching clamping parts, the clamping groove is defined by the inner wall of the connecting part and the inner walls of the two matching clamping parts, and the opening is formed by the spacing of the two matching clamping parts.

4. The door device according to claim 3, characterized in that: A clamping protrusion is formed on the inner side of each of the two matching clamping parts, and the clamping protrusion on one matching clamping part is arranged at an interval with the clamping protrusion on the other matching clamping part to form the opening; A pressing portion that can be pressed is formed on the outer wall of the connecting portion near the middle position; during installation, by pressing the pressing portion on the connecting portion radially inward along the slot, the hinge shaft located outside the slot and resting on the clamping protrusion can drive the two mating clamping parts to open, thereby increasing the diameter of the opening, thereby allowing the hinge shaft to enter the slot.

5. The door device according to claim 4, characterized in that: A guide surface communicating with the clamping slot is formed on the matching clamping portion, and the clamping protrusion is located between the guide surface and the clamping slot.

6. The door device according to any one of claims 3 to 5, characterized in that: The two ends of the connecting portion extend outward to form two end protrusions. When the end protrusions are acted upon by force, they can drive the two matching clamping portions to open, so as to increase the diameter of the opening, thereby disengaging the hinge shaft from the slot.

7. The door device according to any one of claims 1 to 4, characterized in that: The first hinge seat comprises two first connecting ribs arranged at a relative interval, and each of the first connecting ribs is provided with a first hinge hole suitable for gap matching with the hinge shaft; The buckle clamped on the hinge shaft can be restrained and positioned between the two first connecting ribs, thereby limiting the axial movement of the hinge shaft.

8. The door device according to claim 7, characterized in that: The second hinge seat comprises two second connecting ribs arranged relatively and spaced apart, and the two second connecting ribs correspond one to one with the two first connecting ribs; The second connecting ribs are each provided with a second hinge hole corresponding to the first hinge hole.

9. The door device according to claim 1, characterized in that: The door panel and / or the door frame are made of insulating material.

10. The door device according to claim 1, characterized in that: The door panel is provided with heat dissipation holes.

11. The door device according to claim 1, characterized in that: The door frame is provided with a handle position suitable for opening the door panel; and / or, The door frame is provided with mounting holes for mounting the door frame on the box body.

12. A weak current box, characterized in that: The invention comprises the door device according to any one of claims 1 to 11.

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