Power control box with protective shell

Abstract

The utility model discloses an electric power control box with a protective shell, which relates to the technical field of electric power control boxes, and comprises a box body, the front surface of the box body is rotatably connected with a box door, the top of a piston barrel is fixedly connected with an exhaust pipe, the end part of the exhaust pipe is flush with the bottom of a clamping groove, and the top of the piston barrel is fixedly provided with an air outlet pipe in a symmetrical structure. The air outlet pipes are located on the two sides of the air suction pipe. When the protective shell body is closed, a second pressing block extrudes a first pressing block, so that the first pressing block and a connecting rod move inwards, gas in a piston barrel is extruded through mutual cooperation of a piston block and the piston barrel, then the gas is exhausted through a gas outlet pipe, gas can be blown to a sealing block, and the sealing effect is improved. And when the angle of the protection shell body is rotated too much, the adsorption effect between the first pressing block and the second pressing block is disconnected, so that the practicability of the whole electric power control box with the protection shell is improved by adopting the structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of electric power control box, concretely is an electric power control box with a protective shell. BACKGROUND

[0002] The electric power control box is a kind of equipment that integrates power control, protection and monitoring, usually consists of power control, output signal and input signal three parts, electric power control box can be customized according to needs, according to different functions and needs design, common types include high-low voltage electric control box, vehicle-mounted control box, numerical control electric control box etc., electric power control box plays a vital role in power system, it not only can realize automatic control, the switching of equipment, stop, positive and negative rotation control, and adopts modern communication technology and intelligent control algorithm, can realize real-time monitoring to on-site equipment, remote control, simultaneously, electric power control box is built-in fault detection system, can discover equipment fault in time and give solution, to guarantee the safe, stable and reliable operation of power system, electric power control box is widely used in various equipment and scenes, such as industrial equipment, agricultural production facilities, commercial buildings etc., help to improve power utilization efficiency, guarantee equipment normal operation.

[0003] And the electric power control box with protective shell is designed to enhance the safety and durability of electric power control box, the protective shell is usually made of solid material, such as metal or special plastic, can resist external physical impact, corrosion and adverse environmental conditions, protective shell not only provides additional protection for electric power control box, can also prevent electromagnetic interference and dust from entering to some extent, to ensure the stable operation of internal electronic components of electric power control box, in addition, some protective shells also have waterproof, dustproof and other special functions to adapt to different working environments and needs.

[0004] But the protective shell structure of the electric power control box with protective shell in prior art is generally simple, when using, the protective shell and the lock catch are directly matched to protect the electric power control box, but the sealing property between the protective shell and the electric power control box is poor, cannot prevent external moisture from entering the box body well, then moisture will accumulate in the electric power control box, which will cause damage to the electric power elements in the electric power control box. UTILITY MODEL CONTENTS

[0005] Based on this, the utility model discloses a purpose is to provide a kind of power control box with protective shell, to solve the protective shell structure in prior art with the protective shell of power control box is generally relatively simple, when using, directly through the mutual cooperation between protective shell and lock catch, the power control box is protected, and the sealing between protective shell and power control box is poor, cannot very good prevent external moisture from entering the box, then there will be moisture accumulation in the power control box, it can cause damage to the power components in the power control box.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of power control box with protective shell, including box, the box front is rotationally connected with box door, the box door is fixedly installed with fixed frame, the fixed frame is rotationally connected with protective shell body on, the protective shell body is provided with sealing block inside, the fixed frame is equipped with the clamping groove of cooperation the sealing block use inside, the fixed frame is fixedly installed with multiple groups of piston barrel with symmetrical structure inside, the piston barrel is movably installed with piston block inside, the piston block is fixedly installed with connecting rod, the first pressing block is fixedly connected in the connecting rod end, the connecting rod can be movably penetrated the fixed frame, the second pressing block that cooperation the first pressing block with the connecting rod use is movably installed in the protective shell body, the piston barrel top is fixedly connected with suction pipe, the suction pipe end and the clamping groove bottom are flush, the fixed frame is installed with control area, the piston barrel top is fixedly installed with air outlet pipe with symmetrical structure, and the air outlet pipe is located the suction pipe both sides.

[0007] By adopting the technical scheme, when the protective shell body is closed, the second pressing block extrudes the first pressing block, so that the first pressing block and the connecting rod move inward, through the cooperation of the piston blocks between the piston barrels, when the piston blocks move backward, negative pressure is generated in the piston barrels, so that air can be drawn through the air suction pipe, when the protective shell body approaches the fixed frame, the air suction pipe inhales the sealing block, until the protective shell body completely fits the fixed frame, the air suction pipe continuously draws air, so that the sealing block is tightly clamped in the clamping groove, so that the protective shell body can keep a certain sealing effect with the fixed frame, so that the water vapor can be prevented from entering the box, so as to solve the technical problem that the protective shell structure of the existing electric power control box with a protective shell is generally simple, when in use, the protective shell and the lock buckle cooperate with each other to protect the electric power control box, but the sealing between the protective shell and the electric power control box is poor, and the external water vapor cannot be prevented from entering the box, so that the water vapor accumulates in the electric power control box, which damages the electric power elements in the electric power control box, at the same time, when the protective shell body needs to be opened, the protective shell body is pulled outward, the second pressing block no longer applies pressure to the first pressing block, and through the magnetic relationship between the second pressing block and the first pressing block, the first pressing block can be driven to move outward at the same time, when the first pressing block moves outward, the connecting rod moves outward together, at this time, the piston block moves outward in the piston barrel, so that the gas in the piston barrel is extruded, and then is discharged through the air outlet pipe, so that the sealing block is blown, and the sealing block is quickly separated from the clamping groove, when the angle of the protective shell body is rotated too large, the adsorption effect between the first pressing block and the second pressing block is disconnected, so that the practicability of the entire electric power control box with a protective shell is improved.

[0008] The utility model further sets up, first pressing block with second pressing block all is provided with magnet, and the magnet of first pressing block with second pressing block between is magnetic and is attracted, the first movable slot of cooperation first pressing block is seted up in the fixed frame, first pressing block with first movable slot between fixed connection has second spring.

[0009] When the first pressing block and the second pressing block are provided with the magnet with magnetic attraction, when the protective shell body is closed, the second pressing block extrudes the first pressing block, when the protective shell body is opened, the second pressing block drives the first pressing block to move outward, so as to drive the connecting rod and the piston block to move outward, through the cooperation between the first pressing block and the first movable slot, the first pressing block is connected and limited at the same time, and the spring can also assist the first pressing block to reset through its own performance.

[0010] The utility model further sets up, the fixed frame inside bottom is equipped with the second installation groove that cooperation piston barrel uses, the fixed frame inside is equipped with the first installation groove that cooperation exhaust pipe with the exhaust pipe uses, the exhaust pipe with the exhaust pipe all sets up check valve in.

[0011] Through adopting above technical scheme, the second installation groove is set to make the piston barrel stable fixed in the fixed frame to work, secondly, through the first installation groove, the exhaust pipe and the exhaust pipe can be well connected with the fixed frame, and the check valve set in the exhaust pipe and the exhaust pipe can prevent the exhaust pipe from backflow and the exhaust pipe from leaking.

[0012] The utility model further sets up, the fixed frame inside bottom is equipped with the second installation groove that cooperation piston barrel uses, the fixed frame inside is equipped with the first installation groove that cooperation exhaust pipe with the exhaust pipe uses, the exhaust pipe with the exhaust pipe all sets up check valve in.

[0013] Through adopting above technical scheme, the second installation groove is set to make the piston barrel stable fixed in the fixed frame to work, secondly, through the first installation groove, the exhaust pipe and the exhaust pipe can be well connected with the fixed frame, and the check valve set in the exhaust pipe and the exhaust pipe can prevent the exhaust pipe from backflow and the exhaust pipe from leaking.

[0014] The utility model further sets up, the fixed frame inside bottom is equipped with the second installation groove that cooperation piston barrel uses, the fixed frame inside is equipped with the first installation groove that cooperation exhaust pipe with the exhaust pipe uses, the exhaust pipe with the exhaust pipe all sets up check valve in.

[0015] Through adopting above technical scheme, the second installation groove is set to make the piston barrel stable fixed in the fixed frame to work, secondly, through the first installation groove, the exhaust pipe and the exhaust pipe can be well connected with the fixed frame, and the check valve set in the exhaust pipe and the exhaust pipe can prevent the exhaust pipe from backflow and the exhaust pipe from leaking.

[0016] The utility model further sets up, the fixed frame inside bottom is equipped with the second installation groove that cooperation piston barrel uses, the fixed frame inside is equipped with the first installation groove that cooperation exhaust pipe with the exhaust pipe uses, the exhaust pipe with the exhaust pipe all sets up check valve in.

[0017] Through adopting above technical scheme, the second installation groove is set to make the piston barrel stable fixed in the fixed frame to work, secondly, through the first installation groove, the exhaust pipe and the exhaust pipe can be well connected with the fixed frame, and the check valve set in the exhaust pipe and the exhaust pipe can prevent the exhaust pipe from backflow and the exhaust pipe from leaking.

[0018] Summarized above, the utility model mainly has following beneficial effect:

[0019] 1. The utility model discloses a first pressing block is extruded to the first pressing block through the closing protective shell body, to make the first pressing block and connecting rod move inwards, through the mutual cooperation of piston block between the piston barrel, when piston block moves back, negative pressure is formed in the piston barrel, thereby can draw the air through the air suction pipe, when the protective shell body is close to the fixed frame, cooperate the air suction pipe and inhale the sealing block, until the protective shell body and fixed frame completely fit, the sealing block is closely clamped in the card slot, so that the protective shell body can keep certain sealing effect with the fixed frame, can avoid the water vapor into the box, and simultaneously, when needing to open the protective shell body, the protective shell body is pulled outwards, the second pressing block no longer exerts the pressure to the first pressing block, and through the magnetic relation between the second pressing block and the first pressing block, can drive the first pressing block and move outwards simultaneously, when the first pressing block moves outwards, will drive the connecting rod and move outwards, at this moment, piston block will move outwards in the piston barrel along, thereby extruding the gas in the piston barrel, then is discharged through the air outlet pipe, can blow the air to the sealing block, and the sealing block is quickly separated from the card slot, when the angle of the protective shell body rotates too much, the adsorption effect between the first pressing block and the second pressing block will be disconnected, so the practicability of the whole electric power control box with protective shell is improved with the structure.

[0020] 2. The utility model discloses a rubber pad of sealing block outer surface, so as to increase the sealing between the card slot, make the sealing block better and block into the card slot, keep the sealing effect in the protective shell body, and through the mutual cooperation between the second movable slot and the first spring, so as to make the sealing block can flexibly move in the protective shell body. ACCURACY

[0021] Figure 1 It is the whole structure schematic diagram of the utility model;

[0022] Figure 2 It is the main structure split effect first visual angle schematic diagram of the utility model;

[0023] Figure 3 It is the main structure split effect second visual angle schematic diagram of the utility model;

[0024] Figure 4 It is the main structure split effect third visual angle schematic diagram of the utility model;

[0025] Figure 5 It is the main structure cross section structure first visual angle schematic diagram of the utility model;

[0026] Figure 6 It is the main structure cross section structure second visual angle schematic diagram of the utility model;

[0027] Figure 7 It is the main structure cross section structure second visual angle schematic diagram of the utility model;Figure 4 A magnified diagram of the effect of A in the middle;

[0028] Figure 8 For the present utility model Figure 5 A magnified diagram of B in the image.

[0029] In the diagram: 1. Box body; 2. Box door; 3. Fixing frame; 4. Protective shell body; 5. Sealing block; 6. Fixing block; 7. Piston barrel; 8. Slot; 9. First movable slot; 10. First mounting slot; 11. Piston block; 12. Second mounting slot; 13. Air outlet pipe; 14. Air extraction pipe; 15. First pressure block; 16. Connecting rod; 17. Second pressure block; 18. First spring; 19. Second movable slot; 20. Second spring; 21. Third spring. Detailed Implementation

[0030] The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present invention, and should not be construed as limiting the present invention.

[0031] The embodiments of this utility model will be described below based on its overall structure.

[0032] An electrical control box with a protective casing, such as Figures 1-8 As shown, the device includes a housing 1, a door 2 rotatably connected to the front of the housing 1, a fixed frame 3 fixedly installed inside the door 2, a protective shell body 4 rotatably connected to the fixed frame 3, a sealing block 5 inside the protective shell body 4, a slot 8 for cooperating with the sealing block 5 inside the fixed frame 3, multiple sets of piston barrels 7 fixedly installed in a symmetrical structure inside the fixed frame 3, a piston block 11 movably installed inside the piston barrel 7, a connecting rod 16 fixedly installed on the piston block 11, a first pressure block 15 fixedly connected to the end of the connecting rod 16, and the connecting rod 16 movably passing through the fixed frame 3, a second pressure block 17 movably installed inside the protective shell body 4 for cooperating with the first pressure block 15 and the connecting rod 16, an air extraction pipe 14 fixedly connected to the top of the piston barrel 7, the end of the air extraction pipe 14 being flush with the bottom of the slot 8, a control area installed inside the fixed frame 3, and an air outlet pipe 13 fixedly installed in a symmetrical structure on the top of the piston barrel 7, with the air outlet pipe 13 located on both sides of the air extraction pipe 14.

[0033] When in use, the second pressing block 17 will extrude the first pressing block 15 when the protective shell body 4 is closed, so that the first pressing block 15 and the connecting rod 16 move inward, and through the cooperation of the piston block 11 between the piston barrels 7, when the piston block 11 moves backward, negative pressure is generated in the piston barrels 7, so that the air can be extracted through the air extraction pipe 14, and when the protective shell body 4 approaches the fixed frame 3, the air extraction pipe 14 cooperates with the sealing block 5 to extract air, until the protective shell body 4 is completely attached to the fixed frame 3, the air extraction pipe 14 continuously extracts air, so that the sealing block 5 is tightly clamped into the clamping groove 8, so that the protective shell body 4 can maintain a certain sealing effect with the fixed frame 3, so as to avoid water vapor entering the box body 1, so as to solve the technical problem that the protective shell structure of the existing power control box with protective shell is generally simple, and when in use, the protective shell and the lock are cooperated with each other to protect the power control box, but the sealing between the protective shell and the power control box is poor, which cannot prevent external water vapor from entering the box body 1, so that water vapor will accumulate in the power control box, which will cause damage to the power elements in the power control box. At the same time, when the protective shell body 4 needs to be opened, the protective shell body 4 is pulled outward, the second pressing block 17 no longer applies pressure to the first pressing block 15, and through the magnetic relationship between the second pressing block 17 and the first pressing block 15, the first pressing block 15 is driven to move outward at the same time, when the first pressing block 15 moves outward, the connecting rod 16 is driven to move outward at the same time, and the piston block 11 moves outward in the piston barrel 7, so as to extrude the gas in the piston barrel 7, and then the gas is discharged through the air outlet pipe 13, so as to blow the sealing block 5 and assist the sealing block 5 to quickly separate from the clamping groove 8. When the angle of the protective shell body 4 is rotated too large, the adsorption effect between the first pressing block 15 and the second pressing block 17 will be disconnected, so that the practicability of the entire power control box with protective shell is improved.

[0034] Further, when the first pressing block 15 and the second pressing block 17 are provided with magnets that are magnetically attracted to each other, the second pressing block 17 will extrude the first pressing block 15 when the protective shell body 4 is closed, and the second pressing block 17 will drive the first pressing block 15 to move outward when the protective shell body 4 is opened, so as to drive the connecting rod 16 and the piston block 11 to move outward, through the cooperation between the first pressing block 15 and the first movable groove 9, so as to connect and limit the first pressing block 15, and through the performance of the third spring 21, the first pressing block 15 is assisted to reset, the second mounting groove 12 is arranged to stably fix the piston barrel 7 in the fixed frame 3 for work, and secondly, through the first mounting groove 10, the air extraction pipe 14 and the air outlet pipe 13 can well assist the connection between the protective shell body 4 and the fixed frame 3, and the one-way valve arranged in the air outlet pipe 13 and the air extraction pipe 14 can prevent the air outlet pipe 13 from backflowing and the air extraction pipe 14 from leaking, and the second spring 20 can connect the second pressing block 17.

[0035] The rubber pad on the outer surface of the sealing block 5 is used to increase the sealing between the sealing block 5 and the clamping groove 8, so that the sealing block 5 can be better blocked into the clamping groove 8, the sealing effect in the protective shell body 4 is maintained, the sealing block 5 can be flexibly moved in the protective shell body 4 through the cooperation between the second movable groove 19 and the first spring 18, the third spring 21 can cooperate with the magnet auxiliary piston block 11 and the connecting rod 16 between the first pressing block 15 and the second pressing block 17 to reset, the fixed block 6 can be used to install and limit a plurality of piston barrels 7, so that the piston barrels 7 can be fixed in the fixed frame 3 to work, and when the sealing block 5 is in a rectangular structure, the sealing block 5 can be better tightly attached to the clamping groove 8, and better sealing effect can be achieved.

[0036] Although the embodiments of the utility model have been shown and described, the specific embodiments are only an explanation of the utility model, and are not a limitation of the utility model, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner, and the person skilled in the art can make modifications, replacements and changes of the embodiments without creative contribution after reading the specification without departing from the principles and purposes of the utility model, but as long as in the claim range of the utility model, it is protected by the patent law.

Claims

1. A power control box with a protective housing, comprising a box body (1), characterized in that: The box (1) is front rotatingly connected with a box door (2), the box door (2) is fixedly installed with a fixed frame (3), the fixed frame (3) is rotatingly connected with a protective shell body (4), the protective shell body (4) is provided with a sealing block (5), the fixed frame (3) is provided with a clamping groove (8) matched with the sealing block (5), the fixed frame (3) is fixedly installed with a plurality of groups of piston barrels (7) in a symmetrical structure, the piston barrel (7) is movably installed with a piston block (11), the piston block (11) is fixedly installed with a connecting rod (16), the connecting rod (16) is fixedly connected with a first pressing block (15), the connecting rod (16) is movably penetrated through the fixed frame (3), the protective shell body (4) is movably installed with a second pressing block (17) matched with the first pressing block (15) and the connecting rod (16), the piston barrel (7) is fixedly connected with an air exhaust pipe (14) at the top, the air exhaust pipe (14) is flush with the bottom of the clamping groove (8), the fixed frame (3) is installed with a control area, the piston barrel (7) is fixedly installed with an air outlet pipe (13) at the top in a symmetrical structure, and the air outlet pipe (13) is located on both sides of the air exhaust pipe (14).

2. The power handling box with protective cover of claim 1, wherein: The first pressing block (15) and the second pressing block (17) are provided with magnets, and the first pressing block (15) and the second pressing block (17) are magnetically attracted to each other, the fixed frame (3) is provided with a first movable groove (9) matched with the first pressing block (15), and the first pressing block (15) and the first movable groove (9) are fixedly connected with a second spring (20).

3. The power handling box with protective cover of claim 1, wherein: The bottom of the fixed frame (3) is provided with a second installation groove (12) matched with the piston barrel (7), the fixed frame (3) is provided with a first installation groove (10) matched with the air exhaust pipe (14) and the air outlet pipe (13), and the air outlet pipe (13) and the air exhaust pipe (14) are provided with one-way valves.

4. The power handling box with protective cover of claim 1, wherein: The outer surface of the sealing block (5) is provided with a rubber pad, the protective shell body (4) is provided with a second movable groove (19) matched with the sealing block (5), and the sealing block (5) and the second movable groove (19) are fixedly connected with a first spring (18).

5. The power handling box with protective cover of claim 1, wherein: The piston block (11) and the piston barrel (7) are fixedly connected with a third spring (21), the piston barrel (7) is fixedly connected with a fixed block (6) at the bottom, and the fixed block (6) is fixed in the fixed frame (3).

6. The power handling box with protective cover of claim 1, wherein: The sealing block (5) is of a rectangular structure, and the sealing block (5) is fitted with the clamping groove (8).

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