Distribution box with adjustable internal support

Abstract

The utility model discloses a power distribution box with an adjustable internal support, which comprises a power distribution cabinet body, a pushing mechanism is arranged in the power distribution cabinet body, a U-shaped bearing frame is screwed on the pushing mechanism in a threaded manner, a lifting mechanism is mounted at the upper end of the U-shaped bearing frame, and an expansion structure is connected to the lower end of the lifting mechanism. A plurality of mounting plates are mounted on the expansion structure; the lifting mechanism comprises a threaded sleeve rotationally connected to the upper end of the U-shaped bearing frame in a sleeving mode, the upper end of the threaded sleeve is fixedly sleeved with a first rotating wheel, and a first stud is screwed into the threaded sleeve in a threaded mode. According to the utility model, the problems of space stiffness, maintenance difficulty and limited expansion of a power distribution cabinet are solved, the field response speed is improved, the maintenance threshold is reduced, the operation risk in a narrow space is reduced, the secondary damage or wrong wiring risk is avoided, and the installation requirements of electrical components with different specifications can be fully met. And the overall stability and firmness can be ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to distribution box support technical field especially relates to a distribution box with adjustable internal support. BACKGROUND

[0002] In modern industrial automation, intelligent building and power system, as the core equipment of electric energy distribution and control, distribution cabinet bears a large number of circuit breaker, relay, contactor, PLC module and other key components. However, for a long time, the traditional distribution cabinet inside adopts fixed or single direction adjustment mounting bracket (such as standard guide rail), the following problems exist:

[0003] 1, low space utilization: most electrical components are irregular in shape (such as large frequency converter, non-standard power module), and the traditional guide rail only supports horizontal or vertical linear installation, which is difficult to adapt to special-shaped and large-size components, resulting in serious waste of cabinet space, and even a larger specification cabinet body needs to be replaced to meet the assembly requirements;

[0004] 2, low maintenance efficiency: when a layer or multiple layers of components need to be detected or replaced, the technician must enter the narrow cabinet body to operate, and the line of sight is blocked and the tool is difficult to use; if the whole is removed, all wiring and fixing parts need to be disassembled one by one, which is easy to cause secondary damage or miswiring risk;

[0005] 3, poor expansibility, difficult to adapt to later modification: with the upgrading of intelligence, sensors, communication modules or standby circuits often need to be added, but the original structure lacks flexible expansion capability, and the new components can only be "inserted into the gap", which affects the heat dissipation layout and electromagnetic compatibility performance.

[0006] Therefore, we propose a distribution box with adjustable internal support to solve the above problems. INVENTION CONTENTS

[0007] The utility model aims at solving the shortcomings in the prior art and proposes a distribution box with adjustable internal support.

[0008] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0009] A distribution box with adjustable internal support, comprising a distribution cabinet body, a pushing mechanism is arranged in the distribution cabinet body, a U-shaped bearing frame is screwed on the pushing mechanism, a lifting mechanism is installed at the upper end of the U-shaped bearing frame, an expansion structure is connected to the lower end of the lifting mechanism, and a plurality of mounting plates are installed on the expansion structure.

[0010] The lifting mechanism comprises a threaded sleeve sleeved on the upper end of the U-shaped bearing frame, a first rotating wheel is fixedly sleeved on the upper end of the threaded sleeve, a first stud is screwed in the threaded sleeve, and a moving block is fixed on the lower end of the first stud.

[0011] The expansion structure comprises two rotating rods rotatably connected on the two sides of the lower end of the moving block, a moving plate is rotatably connected on one side of the rotating rod, a plurality of fixing frames are fixed on one side of the moving plate at equal intervals in the vertical direction, and one mounting plate is fixed on one end of one fixing frame on the same side.

[0012] Preferably, the pushing mechanism comprises a fixed plate fixed on one side of the bottom of the power distribution cabinet body, a second stud is rotatably connected on one side of the fixed plate, one end of the second stud penetrates through the side wall of the power distribution cabinet body and extends to one side of the power distribution cabinet body, a second rotating wheel is fixed on one side of the second stud, a sliding block is screwed on the second stud, and the upper end of the sliding block is fixed on the lower end of the U-shaped bearing frame.

[0013] Preferably, a sliding groove is arranged on the bottom of the power distribution cabinet body, and the lower end of the sliding block is clamped in the sliding groove.

[0014] Preferably, two covers are hingedly connected on one side of the power distribution cabinet body, and a control panel is arranged on one side of the power distribution cabinet body.

[0015] Preferably, a plurality of mounting holes are arranged on one side of the mounting plate at equal intervals.

[0016] Preferably, a universal wheel is rotatably connected on the lower end of the moving plate.

[0017] The utility model has the advantages of:

[0018] 1. Two hand wheels are used to complete all adjustments, improve the on-site response speed, and reduce the maintenance threshold.

[0019] 2. The design of the whole pushing reduces the operation risk in a narrow space and avoids the risk of secondary damage or miswiring.

[0020] 3. The double limiting of the sliding groove and the threaded transmission ensures the safety of the operation process, is suitable for a vibrating environment, and enhances the stability and firmness of the whole.

[0021] 4. The expansion and contraction of the mounting plate can fully meet the installation requirements of electrical components of different specifications.

[0022] In summary, the utility model solves the problems of space rigidity, maintenance difficulty and expansion limitation of the power distribution cabinet, improves the on-site response speed, reduces the maintenance threshold, reduces the operation risk in narrow space, avoids the secondary damage or miswiring risk, can fully adapt to the installation requirements of different specifications of electrical components, and can guarantee the overall stability and firmness. BRIEF DESCRIPTION OF DRAWINGS

[0023] Fig. 1 It is an internal structure diagram of the utility model;

[0024] Fig. 2 It is an external structure diagram of the utility model;

[0025] Fig. 3 It is a mobile plate setting structure diagram of the utility model.

[0026] In the drawing: 101 cover, 102 power distribution cabinet body, 103 control panel, 201 first rotating wheel, 202 threaded sleeve, 203 first stud, 204 moving block, 301 rotating rod, 302 moving plate, 401 fixed frame, 402 mounting plate, 403 mounting hole, 501 second stud, 502 second rotating wheel, 503 fixed plate, 504 sliding groove, 601 universal wheel, 602 U-shaped bearing frame. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0028] Referring to Figs. 1-3 A power distribution box with adjustable internal support, comprising a power distribution cabinet body 102, a pushing mechanism is arranged in the power distribution cabinet body 102, a U-shaped bearing frame 602 is threadedly connected to the pushing mechanism, a lifting mechanism is installed at the upper end of the U-shaped bearing frame 602, an expansion structure is connected to the lower end of the lifting mechanism, and a plurality of mounting plates 402 are installed on the expansion structure.

[0029] The lifting mechanism comprises a threaded sleeve 202 rotatably connected to the upper end of the U-shaped bearing frame 602, a first rotating wheel 201 is fixedly sleeved at the upper end of the threaded sleeve 202, a first stud 203 is threadedly connected to the threaded sleeve 202, a moving block 204 is fixedly connected to the lower end of the first stud 203, and the thread pair between the threaded sleeve 202 and the first stud 203 adopts trapezoidal thread; by using the characteristic that the thread rise angle is smaller than the friction angle, the self-locking function is realized, that is, after the first rotating wheel 201 stops rotating, the moving block 204 will not slide down due to gravity, so that the operation process is stable and reliable;

[0030] The extension structure comprises two rotating rods 301 rotatably connected on both sides of the lower end of the moving block 204, one side of the rotating rod 301 is rotatably connected with a moving plate 302, a plurality of fixing frames 401 are fixed on one side of the moving plate 302 at equal intervals in the vertical direction, one mounting plate 402 is fixed at one end of one fixing frame 401 on the same side, and the two rotating rods 301 push the moving plates 302 on both sides to slide outward during the descending process of the moving block 204;

[0031] The pushing mechanism comprises a fixed plate 503 fixed on one side of the bottom of the power distribution cabinet body 102, a second stud 501 rotatably connected with one side of the fixed plate 503, the second stud 501 extending to one side of the power distribution cabinet body 102 through the side wall of the power distribution cabinet body 102, a second rotating wheel 502 fixed on one side of the second stud 501, and a sliding block screwed on the second stud 501, wherein the upper end of the sliding block is fixed on the lower end of the U-shaped bearing frame 602;

[0032] The bottom of the power distribution cabinet body 102 is provided with a sliding groove 504, the lower end of the sliding block is clamped in the sliding groove 504, two covers 101 are hingedly connected on one side of the power distribution cabinet body 102, the control panel 103 is arranged on one side of the power distribution cabinet body 102, and rubber pressing strips are arranged between the two covers 101, so that dust and water are effectively prevented;

[0033] A plurality of mounting holes 403 are arranged on one side of the mounting plate 402 at equal intervals, the mounting holes 403 on the mounting plate 402 are standardized into a modular hole array (similar to a C-shaped guide rail layout) with an M6 or M8 interval of 32 mm, and the mounting plate 402 supports plug-and-play of circuit breakers, contactors and relays of different brands;

[0034] The lower end of the moving plate 302 is rotatably connected with a universal wheel 601, and the universal wheel 601 at the bottom of the moving plate 302 not only reduces friction but also has the function of a supporting leg.

[0035] In the utility model:

[0036] 1, initial state (storage mode):

[0037] All mechanisms are in the retracted position: the two moving plates 302 are close to the center, the U-shaped bearing frame 602 is located in the deep inside of the power distribution cabinet body, various electrical elements have been pre-installed on the mounting plate 402, the cover 101 is closed, and the control panel 103 normally displays the running state, so that the occupied space is smallest, and the utility model is suitable for daily operation and transportation and handling;

[0038] 2, maintenance preparation stage (horizontal pushing out):

[0039] The operator manually rotates the second rotating wheel 502 to drive the second stud 501 to rotate, and since the second stud 501 is threadedly connected with the sliding block and the lower end of the sliding block is embedded in the sliding groove 504 for guiding and limiting, the sliding block moves linearly along the sliding groove, and the sliding block drives the U-shaped bearing frame 602 above to move horizontally outward as a whole, and the whole lifting mechanism + expansion structure + mounting assembly is synchronously moved out to one side of the cabinet body;

[0040] 3. Space expansion stage (adapt to large components):

[0041] When a large device (such as a soft starter or UPS module) needs to be installed, the first rotating wheel 201 is rotated, the first rotating wheel 201 drives the threaded sleeve 202 to rotate, and since the threaded sleeve 202 is threadedly connected with the first stud 203, the first stud is driven to move downward, the moving block 204 is lowered, the rotating rods 301 hinged at both ends of the moving block are swung downward, the moving plates 302 on both sides are pushed to separate in opposite directions, the fixed frame 401 fixed on the moving plates is synchronously expanded outward with the mounting plate 402, the net distance between the two plates is increased, and components with a width ≤200mm can be accommodated originally, and after expansion, the components can reach 400-500mm, and more industrial devices are compatible;

[0042] 4. Fine adjustment and positioning (with the aid of universal wheels):

[0043] The moving plates 302 are provided with universal wheels 601 at the bottom, which can provide rolling support during expansion, reduce friction resistance, and avoid structural jamming;

[0044] 5. Resetting:

[0045] After maintenance or installation is completed, the above steps are operated in reverse: the first rotating wheel is rotated in reverse → the moving plates are folded; the second rotating wheel is rotated in reverse → the pushing mechanism is retracted into the cabinet;

[0046] The cover 101 is closed, and the original state is restored, and the whole process does not require tools, and is purely mechanical operation, which is stable and reliable.

[0047] The above is only a preferred specific embodiment of the present application, but the protection scope of the present application is not limited thereto, and any person skilled in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. An internally rack adjustable distribution box comprising a distribution cabinet body (102) characterized in that, The power distribution cabinet body (102) is provided with a pushing mechanism, a U-shaped bearing frame (602) is screwed on the pushing mechanism, a lifting mechanism is installed at the upper end of the U-shaped bearing frame (602), an expansion structure is connected to the lower end of the lifting mechanism, and a plurality of mounting plates (402) are installed on the expansion structure. The lifting mechanism comprises a threaded sleeve (202) rotatably sleeved on the upper end of the U-shaped bearing frame (602), a first rotating wheel (201) is fixedly sleeved on the upper end of the threaded sleeve (202), a first screw post (203) is screwed in the threaded sleeve (202), and a moving block (204) is fixed to the lower end of the first screw post (203). The expansion structure comprises two rotating rods (301) rotatably connected to the lower end of the moving block (204) on both sides, a moving plate (302) is rotatably connected to one side of the rotating rod (301), a plurality of fixing frames (401) are fixedly arranged on one side of the moving plate (302) at equal intervals in the vertical direction, and one mounting plate (402) is fixed to one end of one fixing frame (401) on the same side.

2. The power box with adjustable internal support of claim 1, wherein: The pushing mechanism comprises a fixed plate (503) fixed to one side of the bottom of the power distribution cabinet body (102), a second screw post (501) is rotatably connected to one side of the fixed plate (503), one end of the second screw post (501) penetrates through the side wall of the power distribution cabinet body (102) and extends to one side of the power distribution cabinet body (102), a second rotating wheel (502) is fixed to one side of the second screw post (501), a sliding block is screwed on the second screw post (501), and the upper end of the sliding block is fixed to the lower end of the U-shaped bearing frame (602).

3. The power box of claim 2, wherein: The bottom of the power distribution cabinet body (102) is provided with a sliding groove (504), and the lower end of the sliding block is clamped in the sliding groove (504).

4. The power box of claim 1, wherein: Two covers (101) are hingedly connected to one side of the power distribution cabinet body (102), and a control panel (103) is arranged on one side of the power distribution cabinet body (102).

5. The power box of claim 1, wherein: A plurality of mounting holes (403) are arranged on one side of the mounting plate (402) at equal intervals.

6. The power box of claim 1, wherein: A universal wheel (601) is rotatably connected to the lower end of the moving plate (302).

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