Dustproof sealing interface box of electrical cabinet

Abstract

The utility model discloses a dustproof sealing interface box of an electrical cabinet, which comprises a cabinet body, a junction box body and an internal wire wiring port, and the internal wire wiring port is arranged on the left side surface of the junction box body; the outer line wiring port is formed in the right side surface of the junction box body, and the outer line wiring port is electrically connected with the inner line wiring port; the fixed frame is fixedly mounted on the right side surface of the junction box body; and the connecting mechanism is arranged on the left side surface of the junction box body and is used for detachably connecting the junction box body with the cabinet body. The dustproof sealing interface box of the electrical cabinet can seal the interface position of an external electric wire, has a dustproof effect, avoids the influence of humid air, ensures stable and effective connection, can fix the external electric wire, prevents the external electric wire from falling off, ensures the stable effect of connection, and ensures the stability of use.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical cabinet interface boxes, in particular to a dustproof and sealed interface box for an electrical cabinet. Background Art

[0002] The electrical cabinet is a cabinet made of steel material used to protect the normal operation of components. The electrical cabinet should be used in conjunction with the interface box when in use. The electrical cabinet interface box is a structure used to connect the wires inside the electrical cabinet with the external wires to ensure effective power supply to the electrical appliances inside the electrical cabinet and ensure the stable and effective use of the electrical cabinet;

[0003] However, the electrical cabinet interface boxes currently in use do not have a dustproof and sealed effect. After the external wires are plugged in, the interfaces are directly exposed to the outside, which is easy to adhere to dust during long-term use and is easily affected by external humid air, thus affecting the use effect. At the same time, it is inconvenient to fix the external wires, which makes it easy to fall off when subjected to external force, which has limitations in use. In view of this, an electrical cabinet dustproof and sealed interface box is proposed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a dustproof and sealed interface box for an electrical cabinet, so as to solve the problem in the above background technology that the existing interface box for the electrical cabinet does not have a dustproof and sealed effect.

[0005] To achieve the above purpose, the utility model provides the following technical solutions: a dustproof sealed interface box for an electrical cabinet, comprising a cabinet body and a junction box body,

[0006] An internal wiring port, the internal wiring port being opened on the left side of the junction box body;

[0007] An external wiring port, which is opened on the right side of the wiring box body and is electrically connected to the internal wiring port;

[0008] A fixing frame, the fixing frame being fixedly mounted on the right side of the junction box body;

[0009] A connecting mechanism, which is arranged on the left side of the junction box body and is used for detachably connecting the junction box body and the cabinet body;

[0010] A fixing mechanism, which is arranged on the fixing frame and is used to fix the externally connected wires;

[0011] A sealing mechanism is connected to the fixing mechanism and is used to seal the wire interface to prevent dust.

[0012] The above technical solution is adopted to facilitate dustproof sealing and ensure the use effect.

[0013] As a preferred technical solution of the utility model, a circular opening is provided on the right side of the fixing frame, and a threading hole is provided through the left side wall of the fixing frame, and the threading hole is located on the right side of the external line connection port.

[0014] The above technical solution makes it easy for external wires to pass through the wire threading hole and connect to the external wire connection port.

[0015] As a preferred technical solution of the utility model, the connecting mechanism includes:

[0016] A connecting threaded tube, the connecting threaded tube is fixedly mounted on the left side of the junction box body;

[0017] The connection holes are evenly and equidistantly arranged and are opened through the right side wall of the cabinet, and the connection holes and the connecting threaded pipes form a threaded connection structure.

[0018] By adopting the above technical solution, the connection box body can be disassembled by connecting the threaded rod and the connection hole, which is convenient for maintenance and improves the flexibility of use.

[0019] As a preferred technical solution of the utility model, the fixing mechanism includes:

[0020] A bidirectional screw rod, wherein a longitudinal bearing of the bidirectional screw rod is arranged to penetrate the top surface of the fixed frame, and the bottom end of the bidirectional screw rod is connected to the inner bottom surface bearing of the fixed frame;

[0021] Moving rods, two symmetrically arranged moving rods are sleeved on the outer surface of the bidirectional screw rod, and the bidirectional screw rod is threadedly connected to the moving rods;

[0022] A guide rod, the guide rod is longitudinally fixedly mounted on the inner wall surface of the fixed frame, and the guide rod is parallel to the bidirectional screw rod;

[0023] A clamping block, the clamping block is fixedly mounted on the inner end of the moving rod;

[0024] A knob is coaxially fixedly mounted on the top end of the bidirectional screw rod.

[0025] By adopting the above technical solution, it is convenient to make the moving rod drive the clamping block to move through the rotation of the bidirectional screw rod, so that the external wires can be clamped and fixed by the clamping block.

[0026] As a preferred technical solution of the utility model, two clamping blocks are symmetrically arranged about the horizontal axis center line of the threading hole, and the inner side surface of the clamping block is arranged in an arc shape.

[0027] The above technical solution is adopted to facilitate ensuring the clamping and fixing effect of the external electric wires.

[0028] As a preferred technical solution of the utility model, the sealing mechanism includes:

[0029] A slide bar, the slide bar is fixedly mounted on the top surface of the clamp block, and the slide bar slides through the top surface of the fixed frame;

[0030] An air cylinder, wherein the air cylinder is fixedly mounted on the top surface of the fixing frame, and the sliding rod passes through the bottom surface of the air cylinder;

[0031] A piston, the piston is fixedly mounted on the top end of the slide rod, and the diameter of the piston matches the inner diameter of the cylinder;

[0032] An air delivery pipe, the top end of which is fixedly connected to the bottom surface of the air cylinder, and the air delivery pipe is fixedly arranged to penetrate the top surface of the fixing frame;

[0033] The airbag is installed on the left inner wall of the fixed frame, and the top surface of the airbag is fixedly connected to the bottom end of the air pipe, and the airbag is circular, and the horizontal axis center line of the airbag is colinear with the horizontal axis center line of the threading hole.

[0034] By adopting the above technical solution, the piston is driven downward by the sliding rod during the process of the clamping block moving to clamp the wire, so that the gas in the cylinder is formed into an air bag through the air pipe, thereby expanding the air bag to fill the gap between the external wire and the clamping block, thereby achieving sealing.

[0035] Compared with the prior art, the utility model has the following beneficial effects: the dustproof sealed interface box of the electrical cabinet can seal the external wire interface position to achieve dustproof effect, while avoiding the influence of humid air, ensuring stable and effective connection, and at the same time can fix the external wires to avoid falling off, ensuring the stable connection effect and ensuring the stability of use;

[0036] 1. Install the junction box and cabinet by connecting the threaded pipe and the connection hole. The split structural design can improve the flexibility of use and facilitate maintenance. After the junction box is installed, the wires in the cabinet can be plugged into the internal wiring port, and the external wires can be inserted into the external wiring port after passing through the threading hole to achieve the connection between the internal and external circuits;

[0037] 2. Use the knob to rotate the bidirectional screw rod, so that the two moving rods move toward each other under the action of the guide rod, so that the clamping block moves synchronously to fix the external wires and ensure the stability of the connection;

[0038] 3. While the clamp moves to clamp the external wires, the sliding rod that moves with the clamp will drive the piston to move downward, and the gas in the cylinder will enter the air bag through the air pipe, causing the air bag to expand, so that the inner and outer sides of the air bag are fully in contact with the external wires and the inner wall of the fixed frame respectively, achieving a sealing effect and realizing the purpose of dust prevention. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0040] Figure 2 This is a schematic diagram of the three-dimensional connection structure of the junction box body, the connecting threaded pipe and the fixing frame of the utility model;

[0041] Figure 3 This is a schematic diagram of the partial structure of the main section of the utility model;

[0042] Figure 4 This is a schematic diagram of the structure of the fixing frame of the utility model from the right side;

[0043] Figure 5 It is a schematic diagram of the three-dimensional connection structure of the bidirectional screw rod and the moving rod of the utility model.

[0044] In the figure: 1. cabinet; 2. junction box body; 3. internal wiring port; 4. external wiring port; 5. connecting threaded tube; 6. connecting hole; 7. fixing frame; 8. threading hole; 9. bidirectional screw rod; 10. moving rod; 11. guide rod; 12. clamping block; 13. knob; 14. sliding rod; 15. air cylinder; 16. piston; 17. air pipe; 18. air bag. DETAILED DESCRIPTION

[0045] The following will be combined with the drawings in 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 in 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.

[0046] See also Figure 1-5 , the technical solution of the utility model: a dustproof sealed interface box of an electrical cabinet, comprising a cabinet body 1 and a junction box body 2, an internal wiring port 3 is opened on the left side of the junction box body 2, an external wiring port 4 is opened on the right side of the junction box body 2, and the external wiring port 4 is electrically connected to the internal wiring port 3, and a fixing frame 7 is fixedly installed on the right side of the junction box body 2;

[0047] A circular opening is provided on the right side of the fixing frame 7 , and a threading hole 8 is provided through the left side wall of the fixing frame 7 , and the threading hole 8 is located on the right side of the external line connection port 4 .

[0048] The connecting threaded tube 5 is fixedly installed on the left side of the junction box body 2, and the connecting holes 6 are evenly arranged at equal intervals and are opened through the right side wall of the cabinet body 1, and the connecting holes 6 and the connecting threaded tube 5 form a threaded connection structure;

[0049] The longitudinal bearing of the bidirectional screw 9 runs through the top surface of the fixed frame 7, and the bottom end of the bidirectional screw 9 is connected to the inner bottom bearing of the fixed frame 7. Two symmetrically arranged moving rods 10 are sleeved on the outer surface of the bidirectional screw 9, and the bidirectional screw 9 is threadedly connected to the moving rod 10. The guide rod 11 is longitudinally fixedly installed on the inner wall surface of the fixed frame 7, and the guide rod 11 is parallel to the bidirectional screw 9. The clamping block 12 is fixedly installed on the inner end of the moving rod 10, and the knob 13 is coaxially fixedly installed on the top end of the bidirectional screw 9. Two clamping blocks 12 are symmetrically arranged with respect to the horizontal axis center line of the threading hole 8, and the inner side surface of the clamping block 12 is arranged in an arc shape;

[0050] The slide bar 14 is fixedly installed on the top surface of the upper clamping block 12, and the slide bar 14 slides through the top surface of the fixed frame 7. The air cylinder 15 is fixedly installed on the top surface of the fixed frame 7, and the slide bar 14 penetrates the bottom surface of the air cylinder 15. The piston 16 is fixedly installed on the top end of the slide bar 14, and the diameter of the piston 16 matches the inner diameter of the air cylinder 15. The top end of the air supply pipe 17 is fixedly connected to the bottom surface of the air cylinder 15, and the air supply pipe 17 is fixedly connected to the top surface of the fixed frame 7. The airbag 18 is installed on the left inner wall surface of the fixed frame 7, and the top surface of the airbag 18 is fixedly connected to the bottom end of the air supply pipe 17, and the airbag 18 is circular, and the horizontal axis centerline of the airbag 18 is collinear with the horizontal axis centerline of the threading hole 8.

[0051] Working principle: When in use, screw the connecting threaded tube 5 into the connecting hole 6, install and connect the junction box body 2 and the cabinet body 1, then plug the internal wire into the internal wire connection port 3, and then plug the external wire into the external wire connection port 4 after passing through the threading hole 8;

[0052] Then, the knob 13 is turned to rotate the bidirectional screw rod 9, so that the two moving rods 10 threadedly connected to the bidirectional screw rod 9 move inwards towards each other under the action of the guide rod 11, so that the clamping block 12 moves synchronously, thereby clamping and fixing the external wires;

[0053] As the clamp 12 moves inward, the piston 16 is driven downward by the slide rod 14, so that the gas in the air cylinder 15 is compressed and sent to the air pipe 17, and the air bag 18 is expanded after entering the air bag 18. The expanded air bag 18 will fully contact the surface of the external wire and the inner wall of the fixed frame 7, thereby activating the sealing effect, realizing dustproofing, and avoiding moisture intrusion. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0054] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A dustproof sealed interface box for an electrical cabinet, comprising a cabinet body (1) and a junction box body (2), characterized in that: Also includes: An internal wiring port (3), the internal wiring port (3) being disposed on the left side of the wiring box body (2); An external wiring port (4), the external wiring port (4) being disposed on the right side of the wiring box body (2), and the external wiring port (4) being electrically connected to the internal wiring port (3); A fixing frame (7), the fixing frame (7) being fixedly mounted on the right side surface of the junction box body (2); A connecting mechanism, the connecting mechanism being arranged on the left side of the junction box body (2) and being used for detachably connecting the junction box body (2) and the cabinet body (1); A fixing mechanism, the fixing mechanism being arranged on the fixing frame (7) and being used for fixing externally connected wires; A sealing mechanism is connected to the fixing mechanism and is used to seal the wire interface to prevent dust.

2. The dustproof sealed interface box for an electrical cabinet according to claim 1, characterized in that: The right side of the fixing frame (7) is provided with a circular opening, and the left side wall of the fixing frame (7) is provided with a threading hole (8), and the threading hole (8) is located on the right side of the external wiring port (4).

3. The dustproof sealed interface box for an electrical cabinet according to claim 1, characterized in that: The connecting mechanism comprises: A connecting threaded tube (5), wherein the connecting threaded tube (5) is fixedly mounted on the left side surface of the junction box body (2); The connection holes (6) are evenly arranged at equal intervals and are opened through the right side wall of the cabinet (1), and the connection holes (6) and the connecting threaded pipe (5) form a threaded connection structure.

4. The dustproof sealed interface box for an electrical cabinet according to claim 2, characterized in that: The fixing mechanism comprises: A bidirectional screw rod (9), wherein a longitudinal bearing of the bidirectional screw rod (9) is arranged to penetrate the top surface of the fixed frame (7), and the bottom end of the bidirectional screw rod (9) is connected to the inner bottom surface bearing of the fixed frame (7); Moving rods (10), two symmetrically arranged moving rods (10) are sleeved on the outer surface of the bidirectional screw rod (9), and the bidirectional screw rod (9) is threadedly connected to the moving rods (10); A guide rod (11), the guide rod (11) is longitudinally fixedly mounted on the inner wall surface of the fixed frame (7), and the guide rod (11) is parallel to the bidirectional screw rod (9); A clamping block (12), the clamping block (12) being fixedly mounted on the inner end of the moving rod (10); A knob (13) is coaxially fixedly mounted on the top end of the bidirectional screw rod (9).

5. The dustproof sealed interface box for an electrical cabinet according to claim 4, characterized in that: Two clamping blocks (12) are symmetrically arranged about the transverse axis center line of the threading hole (8), and the inner side surface of the clamping block (12) is arranged in an arc shape.

6. The dustproof sealed interface box for an electrical cabinet according to claim 4, characterized in that: The sealing mechanism comprises: A slide bar (14), the slide bar (14) is fixedly mounted on the top surface of the clamping block (12) above, and the slide bar (14) is slidably arranged to penetrate the top surface of the fixed frame (7); An air cylinder (15), wherein the air cylinder (15) is fixedly mounted on the top surface of the fixed frame (7), and the sliding rod (14) is arranged to penetrate through the bottom surface of the air cylinder (15); A piston (16), wherein the piston (16) is fixedly mounted on the top end of the slide rod (14), and the diameter of the piston (16) matches the inner diameter of the gas cylinder (15); An air delivery pipe (17), the top end of which is fixedly connected to the bottom surface of the air cylinder (15), and the air delivery pipe (17) is fixedly arranged to penetrate the top surface of the fixed frame (7); The airbag (18) is mounted on the left inner wall of the fixing frame (7), and the top surface of the airbag (18) is fixedly connected to the bottom end of the air delivery pipe (17), and the airbag (18) is annular, and the transverse axis centerline of the airbag (18) is colinear with the transverse axis centerline of the threading hole (8).

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