Access door structure

Abstract

The utility model relates to an access door structure which comprises a cabinet body and an access door installed outside an access opening of the cabinet body, the access door comprises a door frame on the periphery, a plurality of clamping hooks are arranged on the inner side wall of the door frame, the clamping hooks and the door frame form an inverted U shape, and a plurality of clamping grooves are vertically formed in the cabinet body. The clamping hooks are inserted into the clamping grooves matched with the clamping hooks, and the access door is installed on the cabinet body. The access door structure provided by the utility model has the characteristics of high efficiency, durability and easiness in maintenance, and is suitable for equipment scenes needing waterproof, stable and convenient maintenance.

Description

TECHNICAL FIELD

[0001] The utility model relates to a storage cabinet technical field, concretely relates to a kind of access door structure. BACKGROUND

[0002] Cabinet, it is a kind of storage structure extremely common, such as wardrobe, shoe cabinet in daily life, again such as power distribution cabinet, network cabinet etc. in industry.Cabinet body on industry, since most equipment is placed in its interior, and equipment then needs to be overhauled regularly, thus, access door needs to be set on cabinet body.When equipment is normally operated, access door is closed, when overhauling, access door is opened, and personnel overhaul access door.

[0003] Chinese patent CN201530424U discloses an access door structure, which is composed of an access door, a door lock assembly, a hinge and an access door frame.The door lock assembly is installed on the access door, the access door and the access door frame are hingedly connected through the hinge, and the access door frame is assembled and welded by metal frame strips punched.The connection between the access door frame and the valve cabin is detachable fixed connection.This kind of access door is also the structure of most access doors on the market, that is, the access door is connected with the cabinet body through hinge, hinge and the like.However, this kind of structure hinge is obvious, and the appearance structure is prominent, and the access door swings with wind after the door lock is lost, which has great safety hidden danger.

[0004] Therefore, the present field needs a more safe and reliable access door structure. SUMMARY

[0005] The utility model discloses a kind of new access door structures to overcome the defects of the above prior art.

[0006] To achieve the purpose of the utility model, the present application provides the following technical solutions.

[0007] In the first aspect, the present application provides an access door structure, which comprises a cabinet body and an access door installed outside the access opening of the cabinet body.The access door comprises a door frame around the periphery, and the inner side wall of the door frame is provided with a plurality of catches forming an inverted U-shaped structure.The cabinet body is provided with a plurality of vertically arranged card slots, and the catches are inserted into the matching card slots during installation.The access door is installed on the cabinet body.By providing catches and card slots, the access door is installed on the cabinet body, avoiding the use of hinge, hinge and other structures, so that the access door is more safe and reliable.In the present application, the periphery of the access door is a door frame for installing catches, and the center can be made of different materials according to actual needs, such as installing a glass panel to form a window to see the operation of the equipment inside the cabinet body, or installing a solar panel to generate electricity for small equipment inside the cabinet body, or setting the entire access door as an integrated structure.

[0008] In an embodiment of the first aspect, the clamping hook is arranged vertically and is outwardly inclined relative to the inner side wall of the door frame.

[0009] In an embodiment of the first aspect, the clamping groove comprises an upper groove and a lower groove, both of which are arranged vertically, the width of the upper groove is greater than that of the lower groove, and the width of the lower groove is slightly greater than the thickness of the clamping hook. In the present application, the term "slightly greater" means that the difference between the two is within 1mm, so that the clamping hook can be smoothly inserted into the lower groove, and at the same time, the left and right shaking of the clamping hook can be avoided as much as possible, so that the access door is more stable after installation. The width of the upper groove is made larger to facilitate the pushing of the clamping hook and the installation of the access door.

[0010] In an embodiment of the first aspect, the access hole is provided with a waterproof frame, the waterproof frame comprises a side edge portion and a ring edge portion which are integrally formed, the ring edge portion is perpendicular to and fixed to the edge of the access hole, the ring edge portion is parallel to the plane in which the access hole is located, and the inner edge of the ring edge portion is fixed to the side edge portion. The ring edge portion can be integrally provided with the edge of the access hole, or can be connected by welding or other fixing methods such as buckles, but it is necessary to ensure that there is no gap between the ring edge portion and the edge of the access hole to prevent water from leaking into the cabinet body through the gap and causing damage to the internal equipment.

[0011] In an embodiment of the first aspect, the top of the frame of the access door is provided with a support block arranged downward, and the bottom of the support block abuts against the ring edge portion after the access door is installed on the cabinet body. The support block is provided to provide an additional support structure for the access door in addition to the clamping hook, because the clamping hook is relatively thin and the access door is relatively heavy, and over time, the clamping hook may be deformed or even fall off. The addition of the support block can effectively prevent the above-mentioned situation from occurring.

[0012] In an embodiment of the first aspect, a telescopic pin is arranged horizontally on the frame of the access door, and a pin hole matched with the telescopic pin is arranged on the cabinet body. When the telescopic pin is inserted into the pin hole, the entire access door cannot move in the vertical direction, which is equivalent to locking the access door. The extension or retraction of the telescopic pin can be achieved by mechanical means, such as sleeving the tail end of the telescopic pin on a lead screw, and manually rotating the lead screw to move the telescopic pin forward or backward along the lead screw to achieve telescopic extension or retraction. In addition, the extension or retraction of the telescopic pin can also be achieved by electric means, such as installing the telescopic pin on a linear motor, and controlling the extension or retraction of the linear motor to drive the forward or backward movement of the telescopic pin to achieve telescopic extension or retraction.

[0013] In an embodiment of the first aspect, the side wall of the cabinet body is provided with an inspection area, the inspection area is inwardly recessed, the inspection opening is located at the center of the inspection area, the profile of the inspection door matches the profile of the inspection area, and the outer side wall of the inspection door is flush with the side wall of the cabinet body except the inspection area. In the present application, the "profile matching" does not mean abutting each other, because the inspection door needs to be displaced in the vertical plane when installed, so it is impossible to abut. The profile matching here means that the distance between the outside of the inspection door and the inner wall of the inspection area remains substantially constant after the inspection door is installed. In addition, the inspection area is provided in the form of inwardly recessed, so as to ensure that the inspection door is flush with the overall outer surface of the cabinet body, and the aesthetic appearance of the cabinet body is increased.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] (1) The inspection door of the present application will not have structures exposed after installation, increasing the aesthetic appearance of the cabinet body, and avoiding safety hazards caused by exposure of parts;

[0016] (2) The inspection door structure of the present application is easy to install, has a long service life, and has good locking effect;

[0017] (3) The inspection door structure of the present application has good waterproof effect. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a partial structure diagram of the cabinet body in the present application;

[0019] Figure 2 is a front structure diagram of the inspection door in the present application;

[0020] Figure 3 is a back structure diagram of the inspection door in the present application.

[0021] In the drawings, 1 is a cabinet body, 11 is an inspection area, 12 is an inspection opening, 13 is a ring edge part, 14 is a side edge part, 15 is a clamping groove, 16 is an upper groove, 17 is a lower groove, 18 is a pin hole, 2 is an inspection door, 21 is a frame, 22 is a clamping hook, 23 is a telescopic pin, 24 is a reverse U-shaped notch, and 25 is a supporting block. DETAILED DESCRIPTION

[0022] Unless otherwise defined, technical or scientific terms used in the present specification and claims should be understood as having the common meaning as understood by a person skilled in the art to which the present utility model belongs. All values between the minimum value and the maximum value listed in the present text refer to all values obtained by increasing the minimum value to the maximum value by one unit when the minimum value and the maximum value differ by two units or more.

[0023] The specific embodiments of the present application will be described below. It should be noted that, in the specific description of these embodiments, the present specification cannot describe all the features of the actual embodiments in detail. The skilled in the art can modify and replace the embodiments of the present application without departing from the spirit and scope of the present application, and the resulting embodiments are also within the protection scope of the present application. Embodiment

[0024] The embodiments of the present application will be described in detail below. The embodiments are implemented on the premise of the technical scheme of the present application, and detailed implementation and specific operation processes are given, but the protection scope of the present application is not limited to the following embodiments. Embodiment

[0025] A maintenance door structure, which comprises a cabinet body 1 and a maintenance door 2, is specifically as follows.

[0026] The structure of the cabinet body 1 is shown in Figure 1 The side wall of the cabinet body 1 is inwardly recessed to form a rectangular maintenance area 11, and a rectangular maintenance opening 12 is formed in the center of the maintenance area 11. Four clamping grooves 15 are arranged in the maintenance area 11, and the four clamping grooves 15 are two pairs, respectively arranged on both sides of the maintenance opening 12. Each clamping groove 15 comprises a vertically arranged upper groove 16 and a vertically arranged lower groove 17, and the width of the upper groove 16 is greater than the width of the lower groove 17. A side edge portion 14 and a ring edge portion 13 are integrally arranged on the outer edge of the maintenance opening 12, wherein the side edge portion 14 is perpendicular to the plane where the maintenance area 11 is located, and the side edge portion 14 is welded with the outer edge of the maintenance opening 12. The ring edge portion 13 is fixed with the side edge portion 14, and the ring edge portion 13 is parallel to the plane where the maintenance area 11 is located. A pin hole 18 is formed in one of the vertical side edge portions 14.

[0027] The structure of the maintenance door 2 is shown in Figure 2 , Figure 3 It comprises an outer rectangular frame 21, two pairs of clamping hooks 22 are arranged on the back of the frame 21, and the positions of the clamping hooks 22 correspond to the positions of the clamping grooves 15 respectively. The clamping hooks 22 are vertically arranged, and a reverse U-shaped gap 24 is formed between the clamping hooks 22 and the frame 21. A downward supporting block 25 is arranged on the upper part of the frame 21, and a telescopic pin 23 is arranged on the side of the frame 21. The telescopic pin 23 is controlled to extend and retract by a motor, and the motor is installed in the frame 21, so it is not shown in the figure. The telescopic pin 23 can be inserted into the pin hole 18.

[0028] In addition to the positions of the telescopic pin 23 and the pin hole 18 shown in this embodiment, the pin hole 18 can be arranged in the maintenance area 11, and then the telescopic pin 23 is arranged perpendicular to the plane where the maintenance area 11 is located.

[0029] When installing, the clamping hook 22 is aligned with the upper groove 16, and then the access door 2 is pushed towards the access area 11. After the clamping hook 22 is inserted into the upper groove 16, the access door 2 is released, and the access door 2 falls down under its own gravity. The inverted U-shaped gap 24 is finally inserted into the lower groove 17 until the upper part of the clamping hook 22 abuts against the bottom of the lower groove 17. At this time, the bottom of the supporting block 25 abuts against the top of the side edge 14. Then the telescopic pin 23 is pushed to be inserted into the pin hole 18, and the installation of the access door 2 is completed. When the access door 2 needs to be opened, the above process is operated in reverse.

[0030] The above description of the embodiments is to facilitate the understanding and application of the present application by those of ordinary skill in the art. Those skilled in the art can easily make various modifications to these embodiments and apply the general principles described herein to other embodiments without having to make creative efforts. Therefore, the present application is not limited to the embodiments herein, and the improvements and modifications made by those skilled in the art based on the disclosure of the present application without departing from the scope and spirit of the present application are within the scope of the present application.

Claims

1. An access door structure, characterized by, The access door structure comprises a cabinet body and an access door installed outside an access opening of the cabinet body, the access door comprises a peripheral door frame, an inner side wall of the door frame is provided with a plurality of catches, the catch and the door frame form an inverted U-shaped structure, the cabinet body is provided with a plurality of vertically arranged clamping grooves, during installation, the catch is inserted into the clamping groove matched therewith, and the access door is installed on the cabinet body.

2. The access door structure of claim 1, wherein The catch is vertically arranged, and an outer side wall of the catch is outwardly inclined.

3. The access door structure of claim 1, wherein The clamping groove comprises an upper groove and a lower groove, the upper groove and the lower groove are vertically arranged, the width of the upper groove is greater than the width of the lower groove, and the width of the lower groove is slightly greater than the thickness of the catch.

4. The access door structure of claim 1, wherein The access opening is provided with a waterproof frame, the waterproof frame comprises an integrally formed side edge portion and a ring edge portion, the ring edge portion is perpendicular to and fixed to the edge of the access opening, the ring edge portion is parallel to the plane where the access opening is located, and the inner edge of the ring edge portion is fixed to the side edge portion.

5. The access door structure of claim 4, wherein, The top of the frame of the access door is provided with a downward supporting block, after the access door is installed on the cabinet body, the bottom of the supporting block abuts against the ring edge portion.

6. The access door structure of claim 1, wherein The frame of the access door is provided with a horizontally arranged telescopic pin, and the cabinet body is provided with a pin hole matched with the telescopic pin.

7. The access door structure of claim 1, wherein The side wall of the cabinet body is provided with an access area, the access area is inwardly recessed, the access opening is located at the center of the access area, the contour of the access door matches the contour of the access area, and the outer side wall of the access door is flush with the other side walls of the cabinet body except the access area.

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