Alternating current load box convenient to maintain

Abstract

The utility model relates to the technical field of alternating-current load boxes, and provides an alternating-current load box convenient to maintain, which comprises a load box shell and an inner frame, a movable switch assembly is arranged between the inner frame and the load box shell, a heat dissipation assembly is arranged outside the load box shell, a round rod frame is fixed at the inner bottom of the load box shell, and a movable block is slidably connected outside a round rod. The moving block is fixedly connected with the bottom of the inner frame, the top in the load box shell is rotationally connected with an operation screw, the outer portion of the operation screw is connected with a connecting base through thread fit, and the connecting base is fixedly connected with the top of the inner frame. According to the technical scheme, the problems that in the prior art, due to the fact that the internal space of the alternating current load box is narrow, an operator cannot conduct maintenance conveniently, the maintenance efficiency is affected, the rear cover can be taken down only by disassembling a large number of screws, the maintenance time is greatly prolonged in the assembling and disassembling process, and the efficiency is low are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of AC load boxes, and in particular to an AC load box which is easy to maintain. Background Art

[0002] The AC load box is a commonly used electrical equipment that can provide AC power and is easy to use. In the prior art, a mounting frame is generally provided inside the AC load box to facilitate the installation of more electronic equipment inside the AC load box. When damage occurs inside the AC load box, the internal electronic equipment needs to be repaired. Since the internal space of the AC load box is relatively small, it is inconvenient for operators to perform maintenance, which affects the maintenance efficiency. In addition, a large number of screws need to be removed to remove the back cover. The loading and unloading process greatly prolongs the maintenance time and is inefficient.

[0003] Therefore, improvements are made to address the above problems. Utility Model Content

[0004] The utility model provides an AC load box that is easy to maintain, which solves the problem in the related art that the internal space of the AC load box is relatively small, making it inconvenient for operators to perform maintenance, thereby affecting the maintenance efficiency, and a large number of screws need to be removed to remove the back cover, and the loading and unloading process greatly prolongs the maintenance time and has low efficiency.

[0005] The technical solution of the utility model is as follows:

[0006] A load box housing and an inner frame, wherein the inner frame and the load box housing are provided with a movable switch assembly;

[0007] A heat dissipation component, the heat dissipation component is arranged outside the load box housing;

[0008] The movable switch assembly includes a pair of round rod frames, which are fixed to the bottom of the load box housing. A movable block is slidably connected to the outside of the round rod frames, and the movable block is fixedly connected to the bottom of the inner frame. An operating screw is rotatably connected to the top of the load box housing, and a connecting seat is connected to the outside of the operating screw by threaded fitting, and the connecting seat is fixedly connected to the top of the inner frame.

[0009] As a further technical solution, a screw block is rotatably connected to the top of the load box housing, and a transmission gear is provided at the lower end of the screw block and one end of the operating screw. A pair of extension rods are provided at the upper and lower ends of the inner frame side surface, and a slot is opened at one end of the extension rod.

[0010] As a further technical solution, a connecting frame is inserted into the slot, one end of the connecting frame is fixedly connected to a back cover, a pair of sleeve blocks are arranged on the top of the load box shell, and a pair of insert blocks are arranged on the upper end of the back cover surface, and the insert blocks are inserted into the sleeve blocks.

[0011] As a further technical solution, the heat dissipation assembly includes an inclined convex layer, which is arranged at the bottom of the load box shell. A circular opening connected to the interior of the load box shell is opened in the inclined convex layer, a cooling fan is arranged in the circular opening, and a connecting cover is arranged at the bottom of the load box shell.

[0012] As a further technical solution, a filter cover is laterally inserted and connected in the connection cover, a filter screen is arranged on the top of the load box shell, and the filter screen and the surface of the load box shell are detachable separate structures.

[0013] As a further technical solution, the filter cover has an overall horizontal L-shaped structure, and the circular opening and the cooling fan have a certain inclination angle.

[0014] As a further technical solution, a plurality of transverse openings are provided on the side surface of the inner frame.

[0015] As a further technical solution, the slot is a vertical opening structure, the connecting frame is an L-shaped structure as a whole, and the connecting frame is vertically inserted downward and connected in the slot.

[0016] The working principle and beneficial effects of the utility model are:

[0017] The utility model is provided with a movable switch assembly. Through the interaction of structures such as a round rod frame, a movable block, an operating screw, a connecting seat, a transmission gear, a connecting frame, a rear cover and an insert block, an inner frame is connected to the load box housing in a sliding manner, and can be moved by rotating the operating screw without removing various screws. After the inner frame is moved to the outside, the rear cover can be directly pulled out and removed upwards. The opening method is simple and fast, and all internal structures can be moved to the outside for easy maintenance. The utility model has good use effect and practicality. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is an axonometric sectional view of the utility model;

[0021] Figure 3 This is an axonometric cross-sectional view from another viewing angle of the present invention;

[0022] Figure 4 It is a cross-sectional view of the utility model;

[0023] Figure 5 For the utility model Figure 3 A partial enlarged view of part A;

[0024] Figure 6 For the utility model Figure 4 A partial enlarged view of part B;

[0025] In the figure: 1. Load box housing; 2. Inner frame; 3. Mobile switch assembly; 3-1. Round rod frame; 3-2. Moving block; 3-3. Operating screw; 3-4. Connecting seat; 3-5. Screw block; 3-6. Transmission gear; 3-7. Extension rod; 3-8. Slot; 3-9. Connecting frame; 3-10. Back cover; 3-11. Sleeve block; 3-12. Insert block; 4. Heat dissipation assembly; 4-1. Inclined convex layer; 4-2. Round mouth; 4-3. Cooling fan; 4-4. Connecting cover; 4-5. Filter cover; 4-6. Filter net; 5. Horizontal mouth. DETAILED DESCRIPTION

[0026] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figure 1 to Figure 6 As shown, this embodiment provides an AC load box that is easy to maintain, including

[0028] A load box housing 1 and an inner frame 2, wherein the inner frame 2 and the load box housing 1 are provided with a movable switch assembly 3;

[0029] A heat dissipation component 4, which is arranged outside the load box housing 1;

[0030] The mobile switch assembly 3 includes a pair of round rod frames 3-1, the round rod frames 3-1 are fixed to the bottom of the load box housing 1, the round rod frames 3-1 are externally slidably connected to a moving block 3-2, the moving block 3-2 is fixedly connected to the bottom of the inner frame 2, the top of the load box housing 1 is rotatably connected to an operating screw 3-3, the outside of the operating screw 3-3 is connected to a connecting seat 3-4 through threaded cooperation, the connecting seat 3-4 is fixedly connected to the top of the inner frame 2, the top of the load box housing 1 is rotatably connected to a screw block 3-5, the screw block 3-5 A transmission gear 3-6 is provided at the lower end and one end of the operating screw rod 3-3, a pair of extension rods 3-7 are provided at the upper and lower ends of the side surface of the inner frame 2, a slot 3-8 is opened at one end of the extension rod 3-7, a connecting frame 3-9 is inserted and connected in the slot 3-8, and a rear cover 3-10 is fixedly connected to one end of the connecting frame 3-9, a pair of sleeve blocks 3-11 are provided at the top of the load box housing 1, and a pair of plug blocks 3-12 are provided at the upper end of the surface of the rear cover 3-10, and the plug blocks 3-12 are plug-connected with the sleeve blocks 3-11.

[0031] In this embodiment, in order to achieve the effect of moving the structure inside the load box housing 1 to the outside for easy operation, a mobile switch assembly 3 is designed. Two round rod frames 3-1 are arranged at the bottom of the load box housing 1. A moving block 3-2 is fixed to the bottom of the inner frame 2. The moving span is slidably connected to the round rod frame 3-1, and can support the moving block 3-2 to move horizontally on the round rod frame 3-1. The top of the load box housing 1 is rotatably connected to a laterally connected operating screw 3-3. The top of the inner frame 2 is provided with a connecting seat 3-4, and the connecting seat 3-4 is connected to the operating screw 3-3 through a thread. The rotation of the operating screw 3-3 can drive the connecting seat 3-4 to drive the inner frame 2 to move. The top of the load box housing 1 is rotatably connected to a screw block 3-5. The lower end of the screw block 3-5 and one end of the operating screw 3-3 are both provided with a transmission gear 3-6 and meshed. The screw block 3-5 controls the rotation of the operating screw 3-3, and the inner frame 2 as a whole can be moved to the outside of the load box housing 1. An extension rod is provided on the side surface of the inner frame 2, and a slot 3-8 is opened at one end of the extension rod. A connecting frame 3-9 is provided on the side surface of the back cover 3-10, and the back cover 3-10 can be inserted into the slot 3-8 through the connecting frame 3-9, so that the back cover 3-10 is connected to the inner frame 2 and keeps fit with the load box housing 1, and can be opened when the inner frame 2 moves outward, and a sleeve block 3-11 is provided on the top of the load box housing 1, and an insert block 3-12 is provided on the surface of the back cover 3-10. When the back cover 3-10 is in the closed state, the insert block 3-12 will be inserted in the sleeve block 3-11. After the insert block 3-12 is connected to the connecting frame 3-9, the back cover 3-10 cannot be removed in the closed state, can be kept in a closed state, and can be opened during operation.

[0032] Furthermore, the heat dissipation component 4 includes an inclined convex layer 4-1, which is arranged at the bottom of the load box housing 1, and a circular opening 4-2 connected to the inside of the load box housing 1 is opened in the inclined convex layer 4-1, and a cooling fan 4-3 is arranged in the circular opening 4-2. A connecting cover 4-4 is arranged at the bottom of the load box housing 1, and a filter cover 4-5 is laterally inserted and connected in the connecting cover 4-4. A filter screen 4-6 is arranged on the top of the load box housing 1, and the filter screen 4-6 and the surface of the load box housing 1 are detachable separate structures.

[0033] In this embodiment, in order to achieve the effect of maintaining heat dissipation inside the load box housing 1, a heat dissipation component 4 is designed, and a raised inclined convex layer 4-1 is arranged at the bottom of the load box housing 1, a circular opening 4-2 is opened in the inclined convex layer 4-1 and a heat dissipation fan 4-3 is installed, and the heat dissipation fan 4-3 can supply air to the inside of the load box housing 1, and the supplied gas can carry the internal hot air to flow upward, and a filter net 4-6 is arranged on the top of the load box housing 1, which has a good heat dissipation effect, and a connecting cover 4-4 is arranged at the bottom, and a filter cover 4-5 is horizontally inserted and connected in the connecting cover 4-4, which can prevent dust from entering the inside of the load box housing 1.

[0034] Furthermore, the filter cover 4-5 has an overall horizontal L-shaped structure, and the circular opening 4-2 and the cooling fan 4-3 have a certain inclination angle.

[0035] In this embodiment, the L-shaped filter cover 4-5 structure is combined with the inclined cooling fan 4-3 to make the gas enter more smoothly.

[0036] Furthermore, a plurality of transverse openings 5 ​​are formed on the side surface of the inner frame 2 .

[0037] In this embodiment, a plurality of transverse openings 5 ​​are provided on the surface of the inner frame 2 so that the gas can pass through the transverse openings 5 ​​when flowing toward the back of the support, thereby improving the heat dissipation effect on the main heat generating part.

[0038] Furthermore, the slot 3-8 is a vertical opening structure, the connecting frame 3-9 is an L-shaped structure as a whole, and the connecting frame 3-9 is vertically inserted downward and connected in the slot 3-8.

[0039] In this embodiment, the vertical opening structure allows the connection frame 3-9 to be pulled out only upwards, and the plug block 3-12 can provide a firm connection effect, and there will be no looseness when closed.

[0040] When it is needed, all the load box related accessories are installed in the inner frame 2. During operation, keep the cooling fan 4-3 running, blow the external air into the load box shell 1 through the circular opening 4-2 at the bottom, and block the dust outside through the filter cover 4-5. The blown air will concentrate the internal heat upward to the filter screen 4-6 for discharge. When maintenance is needed, screw the screw block 3-5 at the top, drive the operating screw 3-3 to rotate through the transmission gear 3-6, drive the connecting seat 3-4 to make the inner frame 2 move on the round rod frame 3-1 through the moving block 3-2 at the bottom, and stop after moving to the maximum stroke. When the inner frame 2 moves outward, the plug block 3-12 will fall out of the sleeve block 3-11, and the back cover 3-10 can be pulled out upward in the slot 3-8 through the connecting frame 3-9 for maintenance.

[0041] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An AC load box that is easy to maintain, characterized in that: include A load box housing (1) and an inner frame (2), wherein the inner frame (2) and the load box housing (1) are provided with a movable switch assembly (3); A heat dissipation component (4), the heat dissipation component (4) being arranged outside the load box housing (1); The movable switch assembly (3) comprises a pair of round rod frames (3-1), the round rod frames (3-1) being fixed to the inner bottom of the load box housing (1), the outer portion of the round rod frames (3-1) being slidably connected to a movable block (3-2), the movable block (3-2) being fixedly connected to the bottom of the inner frame (2), the inner top of the load box housing (1) being rotatably connected to an operating screw rod (3-3), the outer portion of the operating screw rod (3-3) being connected to a connecting seat (3-4) by threaded engagement, the connecting seat (3-4) being fixedly connected to the top of the inner frame (2).

2. The AC load box that is easy to maintain according to claim 1 is characterized in that: The top of the load box housing (1) is rotatably connected to a screw block (3-5), the lower end of the screw block (3-5) and one end of the operating screw rod (3-3) are provided with a transmission gear (3-6), the upper end and the lower end of the side surface of the inner frame (2) are both provided with a pair of extension rods (3-7), and one end of the extension rod (3-7) is provided with a slot (3-8).

3. The AC load box that is easy to maintain according to claim 2, characterized in that: A connecting frame (3-9) is plugged and connected in the slot (3-8), one end of the connecting frame (3-9) is fixedly connected to a rear cover (3-10), a pair of sleeve blocks (3-11) are arranged at the top of the load box housing (1), a pair of insert blocks (3-12) are arranged at the upper end of the surface of the rear cover (3-10), and the insert blocks (3-12) are plugged and connected to the sleeve blocks (3-11).

4. The AC load box that is easy to maintain according to claim 1, characterized in that: The heat dissipation component (4) comprises an inclined convex layer (4-1), the inclined convex layer (4-1) is arranged at the bottom of the load box housing (1), a circular opening (4-2) connected to the inside of the load box housing (1) is opened in the inclined convex layer (4-1), a heat dissipation fan (4-3) is arranged in the circular opening (4-2), and a connection cover (4-4) is arranged at the bottom of the load box housing (1).

5. The AC load box that is easy to maintain according to claim 4, characterized in that: A filter cover (4-5) is laterally inserted and connected in the connection cover (4-4), a filter screen (4-6) is arranged on the top of the load box housing (1), and the filter screen (4-6) and the surface of the load box housing (1) are detachable separate structures.

6. The AC load box that is easy to maintain according to claim 5, characterized in that: The filter cover (4-5) has an overall horizontal L-shaped structure, and the circular opening (4-2) and the cooling fan (4-3) have a certain inclination angle.

7. The AC load box that is easy to maintain according to claim 1, characterized in that: The side surface of the inner frame (2) is provided with a plurality of transverse openings (5).

8. The AC load box that is easy to maintain according to claim 3, characterized in that: The slot (3-8) is a vertical opening structure, the connecting frame (3-9) is an L-shaped structure as a whole, and the connecting frame (3-9) is vertically inserted downward and connected in the slot (3-8).

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