CN114753724B - Protection box with waterproof function for electrical equipment - Google Patents

Abstract

The invention provides a protection box for electrical equipment with a waterproof function, which relates to the technical field of protection boxes for electrical equipment, including: a door leaf positioning assembly, the top locking rod is plugged into the top of the safety door, and the door leaf locking assembly can realize Lock the safety door inside the rainproof box to avoid damage to the electrical equipment and electrical components inside the rainproof box caused by the accidental opening of the safety door, and the door leaf positioning component can position the angle after the safety door is opened, so that the safety door can be opened after opening Unable to rotate freely, avoiding that the safety door shakes back and forth to affect maintenance personnel's operation of repairing and replacing electrical equipment, and solves the problem that the safety door of the existing electrical equipment protection box does not have any limit structure when it is opened, resulting in that when the safety door needs to be opened for maintenance, the safety door will be in place Shaking back and forth due to external factors affects maintenance personnel's maintenance and replacement of electrical equipment in the protection box.

Description

A protective box for electrical equipment with waterproof function

technical field

The invention relates to the technical field of electrical equipment protection boxes, in particular to a waterproof electrical equipment protection box.

Background technique

Electrical equipment is a device that connects machinery or mechanical parts with electricity. At present, electrical equipment is generally installed inside the protection box for protection to avoid safety accidents. The current electrical equipment protection box has the functions of dustproof, rainproof, moisture-proof and heat dissipation. function, which can ensure the stable operation of electrical equipment inside the protection box. For example, in the patent application number: CN202023098825.1, an electrical equipment protection box is disclosed, including: a box body, a filter screen, and a baffle; the box body There is an air inlet below the rear side, and the box body and the air inlet are integrated; the filter is arranged inside the air inlet, and the filter and the air inlet are connected by bolts; the exhaust fan is arranged at the outlet The inside of the tuyere, and the exhaust fan and the air outlet are connected by bolts; the enclosure is arranged on the upper side of the box, and the enclosure and the box are connected by bolts; the top plate is arranged on the top of the enclosure side, and the top plate and the surrounding plate are connected by welding; the baffle is arranged behind the upper side of the top plate, and the baffle and the top plate are connected by bolts. Through the improvement in structure, it has the advantages of heat dissipation and dust removal, waterproof and shock absorption, and easy disassembly and assembly, thereby effectively solving the problems and deficiencies in the prior art.

However, as far as the current electrical equipment protection box is concerned, the safety door does not have any limit structure when it is opened, that is, the safety door can rotate freely after it is opened, and the protection box is generally set outdoors, so that when the safety door needs to be opened, it will not affect the inside of the protection box. When the electrical equipment is overhauled, the safety door will shake back and forth under external factors, which will affect the repair and replacement operation of the electrical equipment in the protection box by the maintenance personnel, which is very inconvenient and has poor practicability.

Contents of the invention

In view of this, the present invention provides a protective box for electrical equipment with a waterproof function, which has a door leaf locking assembly and a door leaf positioning assembly, wherein the door leaf locking assembly can lock the safety door inside the rainproof box for use, In this way, there will be no damage to electrical components or unexpected situations caused by the accidental opening of the safety door. At the same time, the door leaf positioning component can automatically fix the opening angle of the safety door after the safety door is opened, thereby preventing the safety door from shaking back and forth after opening and affecting maintenance personnel on electrical equipment. At the same time, the opening angle of the safety door can be adjusted and positioned freely, and it can adapt to the maintenance and replacement of electrical equipment in different situations. It is easy to use, flexible, adaptable and practical.

The invention provides a protective box for electrical equipment with waterproof function, which specifically includes: a box assembly, the box assembly includes a rainproof box, a safety door and a moisture-proof base, and the safety door is rotatably connected to the rainproof box The front side of the rainproof box is provided with cooling holes, the moisture-proof base is fixedly installed on the bottom of the rainproof box, and the moisture-proof base is fixedly installed on the installation base; the door lock assembly, the door lock The stop assembly includes a control handle, a locking block, a linkage lever and a function lever. The control handle is rotatably connected to the inside of the safety door, and the locking block is inserted into the inside of the safety door. The middle rod body of the linkage lever is rotatably connected to the safety door. Inside the safety door, and the functional rod is plugged into the inside of the safety door; the door leaf positioning assembly, the door leaf positioning assembly includes a top locking rod and a bottom locking rod, and the top locking rod is plugged into the top of the safety door, And the bottom locking rod is plugged into the bottom of the safety door.

Optionally, the bottom of the control handle is provided with a control gear, and the bottom of the locking block is provided with a control rack, and the control rack is engaged with the teeth of the control gear for transmission.

Optionally, a spring seat is provided on the side of the locking block, and the spring seat is plugged into the inside of the safety door, and a return top spring is provided inside the spring seat, and the two ends of the return top spring are fixedly connected to the spring seat respectively. Inside and inside of the security door.

Optionally, the shape of the rod body of the linkage rod is "H", and the bottom and top of the linkage rod are respectively provided with an active groove and a linkage groove. One end of the side of the rod is provided with a linkage column, and the side of the locking block is provided with an active column, the active column is inserted into the inside of the active groove, and the linkage column is inserted into the inside of the linkage groove.

Optionally, the internal rotation of the safety door is connected with a synchronous gear, an "L" shaped synchronous block a is provided at the bottom of the top locking bar, and an "I" shaped synchronous block b is provided at the top of the bottom locking bar. Synchronous racks are provided on the side faces of the synchronous block a and synchronous block b, and the synchronous racks of the synchronous block a and the synchronous block b are respectively engaged with the teeth on both sides of the synchronous gear for transmission.

Optionally, the interior of the synchronization block a is provided with an inclined lifting groove, and the side of the rod body of the functional rod is provided with a lifting column, and the lifting column is inserted into the inside of the lifting groove.

Optionally, a positioning groove is provided inside the safety door, and a positioning post with a regular polygonal cross-section is provided on the top of the top locking rod and the bottom of the bottom locking rod, and the positioning post is inserted into the positioning slot.

Optionally, the inside of the rainproof box is provided with a limit tooth groove, and the top of the positioning column is provided with a limit gear, and the limit gear is inserted into the inside of the limit tooth groove.

Optionally, a limit slot is provided inside the safety door, and the middle part of the linkage rod is rotatably connected to the inside of the limit slot.

Beneficial effect

When the device is in use, the door leaf locking component can lock the safety door inside the rainproof box, thereby sealing and protecting the inside of the rainproof box, preventing accidental opening of the safety door from causing damage to the electrical equipment inside the rainproof box. The phenomenon of damage to electrical components occurs, and the use is stable, and the door leaf positioning component can position the angle after the safety door is opened, so that the safety door cannot rotate freely after opening, avoiding the impact of the safety door shaking back and forth and delaying the repair and replacement of electrical equipment by maintenance personnel, and at the same time The opening and fixed angle of the safety door can be adjusted through the door leaf positioning assembly, so as to adapt to the use requirements in different situations, and the use status of the door leaf positioning assembly and the door leaf locking assembly are controlled by the control handle, which is easy to operate and use, and improves It shows the flexibility, adaptability and practicality of the device.

In addition, when the locking block is in the reset state, it is in the state of extending out of the safety door, so that when the device is in the reset state, the safety door is blocked by the rainproof box through the locking block and cannot be opened to realize the locking function, which is stable in use and can avoid When the safety door is accidentally opened, when the safety door needs to be opened, you only need to turn the control handle. When the control handle is turned, the control gear can drive the locking block to move through the control rack, so that the locking block can shrink and hide inside the safety door. Block the opening of the safety door, the safety door can be opened and used freely, easy to operate and flexible to use.

In addition, when the control handle is turned, the locking state of the door leaf positioning assembly on the use angle of the safety door can be released synchronously, and when the control handle is turned to make the locking block shrink to the inside of the safety door, the active column of the locking block can pass through the active slot Drive the linkage rod to rotate. When the linkage rod rotates, the linkage slot can drive the function rod to move through the linkage column. When the function rod moves, the lifting column drives the top locking rod to move downward through the lifting groove, so that the limit gear can escape from the limit gear. At the same time, under the cooperation of the synchronous rack and the synchronous gear, the bottom locking lever can move synchronously and in different directions when the top locking lever moves downward, so as to realize the top locking lever and the bottom locking lever. The limit gear of the stop rod can synchronously disengage from the inside of the limit tooth groove when the control handle rotates to release the limit state of the safety door, so that the safety door can be freely rotated to open and close for use, flexible in use and convenient in operation.

In addition, when the safety door is opened to an appropriate angle, the control handle is released, and the locking block can automatically reset under the action of the reset top spring, so that the door leaf locking component and the door leaf positioning component can be automatically reset synchronously at this time, and the door leaf positioning After the component is reset, the limit gear can be automatically clamped inside the limit tooth groove, so that the positioning column cannot rotate at this time. Since the cross-sectional shape of the positioning column is a regular polygon design, the safety door is under the cooperation of the positioning groove and the positioning column. It cannot be rotated as a whole, thus realizing the function of limiting, adjusting and fixing the opening angle of the safety door, which is convenient for maintenance personnel to repair, maintain and replace the electrical components and electrical equipment inside the rainproof box. It is convenient and flexible to use. Very adaptable.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings of the embodiments will be briefly introduced below.

The drawings in the following description only relate to some embodiments of the present invention, but do not limit the present invention.

In the attached picture:

Fig. 1 shows the schematic diagram of the structure of the present invention;

Fig. 2 shows the internal structure schematic diagram of the present invention;

Fig. 3 shows a schematic diagram of the internal structure of the present invention after turning the control handle in the reset state;

Fig. 4 shows a schematic structural view of the door locking assembly of the present invention after disassembly;

Fig. 5 shows a schematic structural view of the door leaf positioning assembly of the present invention after disassembly;

Fig. 6 shows a schematic diagram of the internal structure of the present invention after turning the control handle and rotating and opening the safety door;

Fig. 7 shows a schematic diagram of the internal structure after the safety door of the present invention is opened and the control handle is released;

Fig. 8 shows the schematic structural diagram of the enlarged part A in Fig. 2 of the present invention;

Fig. 9 shows a schematic structural view of the enlarged part B in Fig. 2 of the present invention;

FIG. 10 shows an enlarged structural schematic diagram of part C in FIG. 3 of the present invention.

List of reference signs

1. Cabinet assembly; 101. Rainproof cabinet; 1011. Limiting tooth groove; 102. Safety door; 1021. Synchronization gear; 1022. Positioning slot; 1023. Limiting slot; 103. Moisture-proof base; Components; 201, control handle; 2011, control gear; 202, locking block; 2021, control rack; 2022, reset top spring; 2023, driving column; 203, linkage lever; 2031, driving slot; 2032, linkage slot ;204, function rod; 2041, linkage column; 2042, lifting column; 3, door leaf positioning assembly; 301, top locking lever; 3011, synchronous block a; 3012, lifting groove; 3111, synchronous rack; ; 31121, limit gear; 302, bottom locking lever; 3021, synchronous block b.

Detailed ways

In order to make the purpose, solution and advantages of the technical solution of the present invention clearer, the technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings of specific embodiments of the present invention. Unless otherwise specified, terms used herein have their ordinary meanings in the art. The same reference numerals in the figures represent the same parts.

Example: Please refer to Figure 1 to Figure 10:

The present invention proposes a protective box for electrical equipment with a waterproof function, comprising: a box assembly 1, the box assembly 1 includes a rainproof box body 101, a safety door 102 and a moisture-proof base 103, and the safety door 102 is rotatably connected to the rainproof box The front side of the body 101 and the side of the rainproof box 101 are provided with heat dissipation holes, the heat dissipation holes can dissipate heat to the inside of the rainproof box 101, the moisture-proof base 103 is fixedly installed on the bottom of the rainproof box 101, and the moisture-proof base 103 is fixedly installed on the installation base; the door leaf locking assembly 2, the door leaf locking assembly 2 includes a control handle 201, a locking block 202, a linkage rod 203 and a function rod 204, and the control handle 201 is rotatably connected to the safety door 102. Inside, and the locking block 202 is inserted inside the safety door 102, the middle rod body of the linkage rod 203 is rotatably connected to the inside of the safety door 102, and the functional rod 204 is inserted inside the safety door 102; the door leaf positioning assembly 3, the door leaf positioning assembly 3 It includes a top locking rod 301 and a bottom locking rod 302 , the top locking rod 301 is plugged into the top of the safety door 102 , and the bottom locking rod 302 is plugged into the bottom of the safety door 102 .

In addition, according to an embodiment of the present invention, as shown in FIG. 4 , the bottom of the control handle 201 is provided with a control gear 2011, and the bottom of the locking block 202 is provided with a control rack 2021, and the control rack 2021 and the control gear 2011 Gear teeth meshing transmission, in use, the locking block 202 is in the state of extending out of the safety door 102 in the reset state, so that when the device is in the reset state, the safety door 102 is blocked by the rainproof box 101 through the locking block 202 and cannot Opening, so as to realize the function of locking, the structure of the present invention is stable in use, and can avoid accidental opening of the safety door 102 . When the safety door 102 needs to be opened, only the control handle 201 needs to be rotated. When the control handle 201 is turned, the control gear 2011 can drive the locking block 202 to move through the control rack 2021, so that the locking block 202 can shrink and hide in the safety door 102. The opening of the safety door 102 will not be hindered inside, and the safety door 102 can be opened and used freely, which is convenient to operate and flexible to use.

In addition, according to the embodiment of the present invention, as shown in Figure 4, the shape of the rod body of the linkage rod 203 is "H" shape, and the bottom and top of the linkage rod 203 are respectively provided with an active groove 2031 and a linkage groove 2032, and the active groove 2031 and the The shape of the groove body of the linkage groove 2032 is "U" shape, one end of the side of the functional rod 204 is provided with a linkage column 2041, and the side of the locking block 202 is provided with an active column 2023, and the active column 2023 is inserted into the inside of the active groove 2031 , and the linkage column 2041 is plugged into the inside of the linkage groove 2032. In use, when the control handle 201 is turned, the locking state of the door leaf positioning assembly 3 on the use angle of the safety door 102 can be released synchronously. When the control handle 201 is turned so that When the locking block 202 shrinks to the inside of the safety door 102, the active column 2023 of the locking block 202 can drive the linkage rod 203 to rotate through the active groove 2031, and the linkage groove 2032 can drive the functional rod 204 through the linkage column 2041 when the linkage rod 203 rotates. Moving, the inside of the synchronous block a3011 is provided with an inclined lifting groove 3012, and the side of the rod body of the functional rod 204 is provided with a lifting column 2042, and the lifting column 2042 is inserted into the inside of the lifting groove 3012. When the functional rod 204 moves, the lifting column 2042 passes through the lifting column. The slot 3012 drives the top locking rod 301 to move downward, the inside of the rainproof box 101 is provided with a limit tooth groove 1011, and the top of the positioning column 3112 is provided with a limit gear 31121, and the limit gear 31121 is plugged into the limit tooth groove 1011 inside, so that the limit gear 31121 can escape from the inside of the limit tooth groove 1011.

In addition, according to the embodiment of the present invention, as shown in FIG. 5 , the inside of the safety door 102 is rotatably connected with a synchronous gear 1021, the bottom of the top locking lever 301 is provided with an "L" shaped synchronizing block a3011, and the bottom locking lever 302 There is an "I"-shaped synchronous block b3021 on the top of the top, and a synchronous rack 3111 is provided on the side of the block facing the synchronous block a3011 and synchronous block b3021, and the synchronous rack 3111 of the synchronous block a3011 and synchronous block b3021 are respectively connected with the synchronous gear The gear teeth on both sides of 1021 engage and drive. In use, under the cooperation of the synchronous rack 3111 and the synchronous gear 1021, the bottom locking bar 302 can be synchronized when the top locking bar 301 moves downward. direction, so that the limit gear 31121 of the top locking lever 301 and the bottom locking lever 302 can synchronously disengage from the inside of the limit tooth groove 1011 when the control handle 201 rotates, and release the limit state of the safety door 102, thereby The safety door 102 can be freely rotated to open and close for use, and is flexible in use and convenient in operation.

In addition, according to the embodiment of the present invention, as shown in FIG. 4 , a spring seat is provided on the side of the locking block 202, and the spring seat is plugged into the inside of the safety door 102, and a reset top spring 2022 is provided inside the spring seat, and resets The two ends of the top spring 2022 are respectively fixedly connected to the inside of the spring seat and the inside of the safety door 102. In use, when the safety door 102 is opened to a suitable angle, the control handle 201 is released, and the locking block 202 It can be automatically reset under the action of the reset top spring 2022, so that the door leaf locking assembly 2 and the door leaf positioning assembly 3 can automatically reset synchronously at this time, and the door leaf positioning assembly 3 can be automatically snapped into the limit tooth groove after the door leaf positioning assembly 3 is reset. 1011, so that the positioning column 3112 cannot rotate at this time, as shown in Figure 2, Figure 5 and Figure 9, the inside of the safety door 102 is provided with a positioning groove 1022, and the top of the top locking rod 301 and the bottom of the locking rod 302 Bottoms are provided with a positioning post 3112 with a regular polygonal cross section, and the positioning post 3112 is inserted into the inside of the positioning groove 1022. Since the cross-sectional shape of the positioning post 3112 is designed as a regular polygon, the safety door 102 can cooperate with the positioning post 3112 in the positioning slot 1022. Under the action, it becomes a whole and cannot rotate, thereby realizing the functions of limiting, adjusting and fixing the opening angle of the safety door 102, which is convenient for maintenance personnel to repair, maintain and replace the internal electrical components and electrical equipment of the rainproof box 101.

In addition, according to the embodiment of the present invention, as shown in FIG. 2 , the inside of the safety door 102 is provided with a limiting groove 1023, and the middle part of the linkage rod 203 is rotatably connected to the inside of the limiting groove 1023. In use, the limiting groove 1023 can The rotation trajectory and the maximum rotation limit of the linkage rod 203 are limited, thereby avoiding the occurrence of stuck failure of the device during use, and the use is stable.

The specific use and function of this embodiment: In the present invention, the box assembly 1 is installed on the installation base through the moisture-proof base 103, then the electrical equipment and electrical components are installed inside the rain-proof box 101, and finally the safety door 102 can be closed, and the locking block 202 is in the state of extending out of the safety door 102 in the reset state, so that when the device is in the reset state, the safety door 102 is blocked by the rainproof box 101 through the locking block 202 and cannot be opened to realize locking The function is stable in use and can avoid accidental opening of the safety door 102. When the safety door 102 needs to be opened and closed, only the control handle 201 needs to be rotated. When the control handle 201 rotates, the control gear 2011 can drive the locking block 202 through the control rack 2021 Move, so that the locking block 202 can be shrunk and hidden inside the safety door 102 without hindering the opening of the safety door 102, the safety door 102 can be opened and closed freely, and at the same time, when the control handle 201 is turned, the door leaf positioning assembly 3 can be synchronously released for use on the safety door 102 In the locked state of the angle, when the control handle 201 is turned to make the locking block 202 shrink to the inside of the safety door 102, the active column 2023 of the locking block 202 can drive the linkage rod 203 to rotate through the active slot 2031, and the linkage rod 203 rotates The linkage groove 2032 can drive the functional rod 204 to move through the linkage column 2041. When the functional rod 204 moves, the lifting column 2042 drives the top locking rod 301 to move downward through the lifting groove 3012, so that the limit gear 31121 can escape from the limit tooth groove 1011 At the same time, under the cooperation of the synchronous rack 3111 and the synchronous gear 1021, the bottom locking lever 302 can move synchronously in different directions when the top locking lever 301 moves downward, thereby realizing the top locking The limit gear 31121 of the lever 301 and the bottom locking lever 302 can synchronously disengage from the inside of the limit tooth groove 1011 when the control handle 201 is rotated to release the limit state of the safety door 102, so that the safety door 102 can be freely rotated to open and close In use, when the safety door 102 is opened and used, the door positioning assembly 3 can limit, adjust and fix the opening angle of the safety door 102. After the safety door 102 is opened to a suitable angle, release the control handle 201, and now the locking block 202 can Automatically reset under the action of the reset top spring 2022, so that the door leaf locking assembly 2 and the door leaf positioning assembly 3 can automatically reset synchronously at this time, and the door leaf positioning assembly 3 can be automatically snapped into the limit tooth groove 1011 after the door leaf positioning assembly 3 is reset. Therefore, the positioning column 3112 cannot rotate at this time. Since the cross-sectional shape of the positioning column 3112 is designed as a regular polygon, the safety door 102 cannot rotate as a whole under the cooperation of the positioning groove 1022 and the positioning column 3112. The function of limiting, adjusting and fixing the opening angle of the safety door 102 is convenient for maintenance personnel to perform maintenance and replacement operations on the electrical components and electrical equipment inside the rainproof box 101.

Finally, it should be noted that when the present invention describes the position of each component and the cooperation relationship between them, it usually takes one/a pair of components as an example, but those skilled in the art should understand that such a position , coordination relationship, etc., are also applicable to other components/other paired components.

The above descriptions are only exemplary implementations of the present invention, and are not intended to limit the protection scope of the present invention, which is determined by the appended claims.

Claims (2)

1. A protection box for electrical equipment with a waterproof function is characterized in that,

comprising the following steps:

the rain-proof box comprises a box body assembly (1), wherein the box body assembly (1) comprises a rain-proof box body (101), a safety door (102) and a moisture-proof base (103), the safety door (102) is rotationally connected to the front side of the rain-proof box body (101), a radiating hole is formed in the side face of the rain-proof box body (101), the moisture-proof base (103) is fixedly arranged at the bottom of the rain-proof box body (101), and the moisture-proof base (103) is fixedly arranged on an installation base; the door leaf locking assembly (2), the door leaf locking assembly (2) comprises a control handle (201), a locking block (202), a linkage rod (203) and a functional rod (204), wherein the control handle (201) is rotationally connected to the inside of the safety door (102), the locking block (202) is inserted into the inside of the safety door (102), a middle rod body of the linkage rod (203) is rotationally connected to the inside of the safety door (102), and the functional rod (204) is inserted into the inside of the safety door (102); the door leaf positioning component (3), the door leaf positioning component (3) comprises a top locking rod (301) and a bottom locking rod (302), the top locking rod (301) is inserted into the top of the safety door (102), the bottom locking rod (302) is inserted into the bottom of the safety door (102),

a control gear (2011) is arranged at the bottom of the control grip (201), a control rack (2021) is arranged at the bottom of the locking block (202), the control rack (2021) is meshed with the gear teeth of the control gear (2011),

the side surface of the locking block (202) is provided with a spring seat which is inserted into the safety door (102), the inside of the spring seat is provided with a reset top spring (2022), two ends of the reset top spring (2022) are respectively and fixedly connected in the spring seat and the safety door (102),

the rod body of the linkage rod (203) is H-shaped, the bottom and the top of the linkage rod (203) are respectively provided with a driving groove (2031) and a linkage groove (2032), the shapes of the groove bodies of the driving groove (2031) and the linkage groove (2032) are U-shaped, one end of the side face of the functional rod (204) is provided with a linkage column (2041), the side face of the locking block (202) is provided with a driving column (2023), the driving column (2023) is spliced in the driving groove (2031), the linkage column (2041) is spliced in the linkage groove (2032),

the inner part of the safety door (102) is rotationally connected with a synchronous gear (1021), the bottom of the top locking rod (301) is provided with an L-shaped synchronous block a (3011), the top of the bottom locking rod (302) is provided with an I-shaped synchronous block b (3021), the side surfaces of the block opposite to the synchronous block a (3011) and the synchronous block b (3021) are provided with synchronous racks (3111), the synchronous racks (3111) of the synchronous block a (3011) and the synchronous block b (3021) are respectively engaged with the gear teeth on two sides of the synchronous gear (1021) for transmission,

an inclined lifting groove (3012) is arranged in the synchronous block a (3011), a lifting column (2042) is arranged on the side face of the rod body of the functional rod (204), the lifting column (2042) is inserted into the lifting groove (3012),

a positioning groove (1022) is arranged in the safety door (102), positioning columns (3112) with regular polygon cross sections are arranged at the top of the top locking rod (301) and the bottom of the bottom locking rod (302), the positioning columns (3112) are inserted into the positioning groove (1022),

the rainproof box is characterized in that a limiting tooth groove (1011) is formed in the rainproof box body (101), a limiting gear (31121) is arranged at the top of the positioning column (3112), and the limiting gear (31121) is inserted into the limiting tooth groove (1011).

2. A protective case for electrical equipment having a waterproof function as claimed in claim 1, wherein:

the safety door (102) is internally provided with a limiting groove (1023), and the middle part of the linkage rod (203) is rotationally connected in the limiting groove (1023).

Images