Nonmetal metering box structure

By introducing a connecting strip, a rubber sealing plate, and a motor-driven threaded rod system into the non-metallic metering box, the problem of poor sealing in the non-metallic metering box was solved, achieving better waterproof performance and convenient maintenance operations.

CN223955668UActive Publication Date: 2026-02-27ZHEJIANG SUNAN ELECTRIC CO LTD
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Patent Information

Application Number
CN202520484290.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-19
Publication Date
2026-02-27
Estimated Expiration
2035-03-19

AI Technical Summary

Technical Problem

When non-metallic metering boxes are used outdoors, the door is prone to leaks due to damaged locks or improper installation, causing rainwater to seep in and damage electrical components.

Method used

A non-metallic metering box structure was designed, which adopts a connecting strip, a rubber sealing plate and a motor-driven threaded rod system to ensure the sealing of the box door, and uses the motor and threaded rod in conjunction with an L-shaped movable block to enable the flexible removal of electrical components for easy maintenance.

Benefits of technology

The improved sealing of the enclosure door prevents rainwater from seeping in, enhances the moisture resistance of electrical components, and provides more space for maintenance and repair, thus improving maintenance efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of metering boxes, in particular to a non-metal metering box structure which comprises a box body, a box door is connected to the position, close to the front end, in the box body through a hinge, a concentric-square-shaped frame is fixedly connected to the position, close to the front end, in the box body, and a plurality of connecting strips are fixedly connected to the outer wall of the side, close to the box body, of the box door. According to the utility model, through the arrangement of the connecting strip, the rubber sealing plates and the like, the sealing performance when the box door is closed can be improved, and the situation that a gap is reserved between the box door and the inner wall of the box body after the box door is closed, so that rainwater enters the box body from the gap is avoided; the moisture in the box body is caused, and the whole or part of the electrical elements in the box body can be conveniently moved out of the box body, so that the operable space is more flexible, and the situation that the maintenance of the electrical elements at the rear part by a worker is influenced due to the too deep internal space of the box body is avoided.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of metering box, concretely is a nonmetallic metering box structure. BACKGROUND

[0002] Nonmetallic metering box refers to a plastic box used by electrical equipment or instrument, which is used to protect electrical components, instruments and electronic equipment due to its insulation performance. Due to the difference in structure and material from metal metering box, the grounding protection requirement is different.

[0003] In the prior art, such as the garden greening tree righting device in patent application number "CN202420760344.1", the nonmetallic low-voltage metering box, the staff presses the push rod downward, the push rod drives the sliding plate to press downward, the sliding plate extrudes the return spring to compress the power storage, and at the same time drives the plug block to release the limiting between the plug slot, the staff pulls the stretching plate to the outside of the metering box body, which is convenient for the staff to overhaul the equipment.

[0004] However, in the above-mentioned patent application, when the nonmetallic metering box is installed outdoors, the door is easy to be damaged by the door lock or the installation position is improper and loose, resulting in a gap between the door and the box body when closing, which is easy to cause rainwater to penetrate into the box body when it rains, causing damage to the electrical components installed in the box body, affecting the normal use of the nonmetallic metering box. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a nonmetallic metering box structure to solve the problems in the above background technology.

[0006] The purpose of the utility model can be realized by the following technical scheme:

[0007] A nonmetallic metering box structure, comprising a box body, a door is connected to the box body by a hinge near the front end of the box body, a back-shaped frame is fixedly connected to the box body near the front end, a plurality of link strips are fixedly connected to the outer wall of the door near the box body, a plurality of rubber sealing plates are movably installed in the back-shaped frame, an L-shaped bearing plate is movably installed in the box body, a plurality of fixed housings are fixedly connected to the outer wall of the L-shaped bearing plate, an activity plate is movably installed between the two fixed housings, a sliding block is slidably connected to the inner wall of each fixed housing, and one end of each sliding block is fixedly connected to the activity plate, an auxiliary mechanism is arranged on the outer wall of each fixed housing, two sliding grooves are formed in the bottom of the box body, a threaded rod is rotatably connected to the inner wall of each sliding groove, an L-shaped movable block is sleeved on the outer wall of each threaded rod, and the upper end of each L-shaped movable block is fixedly connected to the L-shaped bearing plate.

[0008] Preferably, the connecting bars are provided with sealing grooves on the upper and lower surfaces, and the sealing grooves are matched with the rubber sealing plates.

[0009] Preferably, a plurality of springs are arranged between the outer wall of the rubber sealing plate and the inner wall of the L-shaped frame, and sealing blocks are fixedly connected to the inner portion of the L-shaped frame and close to the four corners.

[0010] Preferably, the auxiliary mechanism comprises a winding shaft and two fixed plates, the winding shaft is rotatably connected to the upper surface of the fixed shell through a shaft rod, the two fixed plates are fixedly connected to the outer side wall of the fixed shell, a limiting shaft is rotatably connected between the outer side walls of the two fixed plates, and disc plates are fixedly connected to the outer wall of the winding shaft close to the upper and lower ends.

[0011] Preferably, a pull rope is fixedly connected to the outer wall of the winding shaft close to the middle portion, and the free end of the pull rope is fixedly connected with a sliding block.

[0012] Preferably, a fixed nail is arranged on the upper end surface of one of the disc plates, a fixed hole is arranged on the upper end surface of the fixed shell below the fixed nail, and the fixed hole is matched with the fixed nail.

[0013] Preferably, two motors are arranged on the back surface of the box close to the bottom, and the output ends of the two motors are connected with two threaded rods, respectively.

[0014] The utility model discloses the beneficial effect:

[0015] 1. In the utility model, when the box door is closed, each connecting bar is clamped into the L-shaped frame, and the connecting bar moves between the two rubber sealing plates, so that the two rubber sealing plates gradually move away, and the connecting bar is clamped into the L-shaped frame after completely passing through the two rubber sealing plates, and under the action of the spring elastic force, the two rubber sealing plates can be clamped into the sealing grooves arranged on the two connecting bars, respectively, the sealing groove is filled, and the other rubber sealing plates are clamped into the corresponding sealing grooves, respectively, and the four sealing blocks are filled at the four corners, so that the box door and the L-shaped frame are well connected and sealed, the sealing property when the box door is closed is improved, and the gap between the box door and the inner wall of the box after the box door is closed is avoided, so that rainwater enters the box through the gap in rainy weather, and the moisture in the box is caused.

[0016] 2. In the utility model, through the cooperation of the motor, the threaded rod and the L-shaped movable block, the front part of the L-shaped bearing plate can be moved out of the box body, the front part of all electrical elements in the box body is driven to move out of the box body, and through the rotation of the winding shaft and the cooperation of the pull rope, the sliding block can be driven to move along the fixed shell, the electrical elements on the movable plate can be moved by the cooperation of the movable plate moving forward, part of the electrical elements is moved out of the box body, which is convenient for the maintenance of the electrical elements by the staff, through the above operation, part of the electrical elements in the box body or the whole electrical elements can be moved out, the operation space is more flexible, the space in the box body is not too deep, and the maintenance of the electrical elements located at the rear part by the staff is not affected. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows, and obviously, other drawings can be obtained by the drawings for the ordinary skilled in the art without any creative effort.

[0018] Figure 1 It is the whole structure schematic view of the utility model;

[0019] Figure 2 It is the local structure schematic view of the utility model;

[0020] Figure 3 It is the structure schematic view of the box door and the link strip in the utility model;

[0021] Figure 4 It is the local structure schematic view of the L-shaped frame and the rubber sealing strip in the utility model;

[0022] Figure 5 It is the structure schematic view of the L-shaped bearing plate and the movable plate in the utility model;

[0023] Figure 6 It is the structure schematic view of the L-shaped bearing plate and the movable plate in the utility model Figure 5 It is the enlarged view of A in the utility model;

[0024] Figure 7 It is the structure schematic view of the winding shaft and the fixed shell in the utility model.

[0025] The reference signs in the drawings are as follows:

[0026] 1, box body; 2, box door; 3, L-shaped bearing plate; 4, movable plate; 5, threaded rod; 6, L-shaped movable block; 7, link strip; 8, rubber sealing plate; 9, sealing block; 10, winding shaft; 11, disc; 12, fixed nail; 13, pull rope; 14, limiting shaft; 15, sliding block; 16, fixed shell; 17, sealing groove; 18, L-shaped frame; 19, fixed plate; 20, sliding groove. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0028] A non-metallic metering box structure, such as Figures 1-7 As shown, the device includes a housing 1. Inside the housing 1, near the front end, is a door 2 connected by a hinge. Inside the housing 1, near the front end, is a U-shaped frame 18 fixedly connected. On the outer wall of the door 2 near the housing 1, several connecting strips 7 are fixedly connected. Inside the U-shaped frame 18, several rubber sealing plates 8 are movably installed. Inside the housing 1, an L-shaped support plate 3 is movably installed. On the outer wall of the L-shaped support plate 3, several fixed outer shells 16 are fixedly connected. A movable plate 4 is movably installed between two fixed outer shells 16. Inside each of the two fixed outer shells 16, sliders 15 are slidably connected, and one end of each slider 15 is fixedly connected to the movable plate 4. Auxiliary mechanisms are provided on the outer walls of both fixed outer shells 16. Two sliding grooves 20 are opened at the bottom inside the housing 1. Threaded rods 5 are rotatably connected inside each of the two sliding grooves 20. L-shaped movable blocks 6 are sleeved on the outside of each of the two threaded rods 5, and the upper ends of each L-shaped movable block 6 are fixedly connected to the L-shaped support plate 3.

[0029] Two motors are installed on the back of the housing 1 near the bottom, and the output ends of the two motors are respectively connected to two threaded rods 5. The inner wall of the L-shaped movable block 6 and the threaded rod 5 is provided with threads that fit the threaded rod 5. When the threaded rod 5 rotates, under the cooperation of the threads and the limiting of the slide groove 20, the L-shaped movable block 6 can be driven to slide stably, thereby driving the L-shaped bearing plate 3 to move.

[0030] Sealing grooves 17 are provided on both the upper and lower surfaces of the connecting strip 7, and the sealing grooves 17 fit with the rubber sealing plate 8. Several springs are installed between the outer wall of one side of the rubber sealing plate 8 and the inner wall of the U-shaped frame 18. Sealing blocks 9 are fixedly connected inside the U-shaped frame 18 and near the four corners. The sealing blocks 9, together with the rubber sealing plate 8, can effectively connect and seal the door 2 and the U-shaped frame 18, improving the sealing performance when the door 2 is closed. Each connecting strip 7 is distributed on the outer wall of the door 2 near the four sides. Each connecting strip 7 is engaged with two rubber sealing plates 8 to seal the four sides between the door 2 and the U-shaped frame 18, thereby improving the sealing performance when the door 2 is closed.

[0031] When in use, when the box door 2 is closed, each connecting strip 7 moves with the box door 2 and is clamped into the back-shaped frame 18, in the process of clamping the connecting strip 7 into the back-shaped frame 18, the connecting strip 7 moves along the position between the two rubber sealing plates 8 and along the outer wall of the two inclined surfaces of the rubber sealing plate 8, the two rubber sealing plates 8 can be squeezed and gradually separated, each spring is squeezed and contracted, and under the action of the spring elastic force, the two rubber sealing plates 8 can be clamped into the sealing grooves 17 provided on the connecting strip 7, the inside of the sealing groove 17 is filled, and the other rubber sealing plates 8 are clamped into the corresponding sealing grooves 17, and the four sealing blocks 9 fill the four corners, so that the box door 2 and the back-shaped frame 18 are well connected and sealed, the sealing performance of the box door 2 when closed is improved, and gaps between the box door 2 and the inner wall of the box body 1 after the box door 2 is closed are avoided, so that rainwater cannot enter the box body 1 from the gaps in rainy weather, and the moisture in the box body 1 is avoided.

[0032] As shown in Figure 7 The auxiliary mechanism includes a winding shaft 10 and two fixed plates 19, the winding shaft 10 is rotationally connected to the upper end surface of the fixed shell 16 through a shaft rod, the two fixed plates 19 are fixedly connected to the outer side walls of the fixed shell 16, the outer side walls of the two fixed plates 19 are rotationally connected with the limiting shaft 14, and the outer walls of the winding shaft 10 close to the upper and lower ends are fixedly connected with the discs 11.

[0033] The outer wall of the winding shaft 10 close to the middle part is fixedly connected with the pull rope 13, the free end of the pull rope 13 is fixedly connected with the sliding block 15, the upper end surface of one of the discs 11 is inserted with the fixed nail 12, the upper end surface of the fixed shell 16 and located below the fixed nail 12 is provided with the fixed hole, and the fixed hole is matched with the fixed nail 12, the position of the disc 11 is fixed by inserting the fixed nail 12 through the disc 11 into the fixed hole, and the winding shaft 10 is fixed.

[0034] Specifically, the two movable plates 4 can bear the electrical elements to be installed in the box body 1, and when the electrical elements in the box body 1 need to be repaired, the motor drives the threaded rod 5 to rotate, drives the L-shaped movable block 6 to slide along the outside of the threaded rod 5 in the sliding groove 20, drives the front part of the L-shaped bearing plate 3 to move out of the box body 1, and drives all the electrical elements in the box body 1 to move out of the box body 1 by a distance, so that the front part is located outside the box body 1, and the space in the box body 1 is not too deep, which affects the repair of the electrical elements located at the rear part by the workers.

[0035] And by pulling the fixing nails 12 from the disc 11, the fixing of the disc 11 is released, thereby the fixing of the winding shaft 10 is released, at this time, rotating the winding shaft 10, the pull rope 13 is wound, the slider 15 is driven to move along the inside of the fixed shell 16, the movable plate 4 is driven to move forward, thereby the electrical elements on the movable plate 4 can be moved, part of the electrical elements is moved out of the box 1, the same is convenient for the staff to overhaul the electrical elements;

[0036] Through the above operation, the electrical elements in the box 1 are moved out of a part, the operation space is more flexible, the space in the box 1 is not too deep, the staff overhauls the electrical elements located at the rear.

[0037] The basic principle, main features and advantages of the utility model are shown and described above. The skilled in the art should understand that the utility model is not limited by the above examples, the above examples and the description in the specification are only to illustrate the principle of the utility model, various changes and improvements of the utility model can be made without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model claimed.

Claims

1. A non-metallic metering box structure, comprising a box body (1), characterized in that, The box body (1) has a door (2) hinged to the front end. A U-shaped frame (18) is fixedly connected to the front end of the box body (1). Several connecting strips (7) are fixedly connected to the outer wall of the door (2) near the box body (1). Several rubber sealing plates (8) are movably installed inside the U-shaped frame (18). An L-shaped support plate (3) is movably installed inside the box body (1). Several fixed outer shells (16) are fixedly connected to the outer wall of the L-shaped support plate (3). Two fixed outer shells (16) are movably installed between each other. There is a movable plate (4), and two fixed shells (16) are slidably connected to sliders (15) inside, and one end of each slider (15) is fixedly connected to the movable plate (4). The outer walls of the two fixed shells (16) are provided with auxiliary mechanisms. The bottom of the box (1) has two sliding grooves (20), and threaded rods (5) are rotatably connected inside the two sliding grooves (20). L-shaped movable blocks (6) are sleeved on the outside of the two threaded rods (5), and the upper ends of the two L-shaped movable blocks (6) are fixedly connected to the L-shaped bearing plate (3).

2. The non-metallic metering box structure according to claim 1, characterized in that, The connecting strip (7) has sealing grooves (17) on both the upper and lower surfaces, and the sealing grooves (17) fit into the rubber sealing plate (8).

3. The non-metallic metering box structure according to claim 1, characterized in that, Several springs are installed between the outer wall of one side of the rubber sealing plate (8) and the inner wall of the loop frame (18). Sealing blocks (9) are fixedly connected inside the loop frame (18) and near the four corners.

4. The non-metallic metering box structure according to claim 1, characterized in that, The auxiliary mechanism includes a winding shaft (10) and two fixing plates (19). The winding shaft (10) is rotatably connected to the upper surface of the fixed housing (16) via a shaft. The two fixing plates (19) are fixedly connected to the outer side wall of the fixed housing (16). A limit shaft (14) is rotatably connected between the outer side walls of the two fixing plates (19). A disc (11) is fixedly connected to the outer wall of the winding shaft (10) near both the upper and lower ends.

5. The non-metallic metering box structure according to claim 4, characterized in that, A pull rope (13) is fixedly connected to the outer wall of the winding shaft (10) near the middle position, and the free end of the pull rope (13) is fixedly connected to the slider (15).

6. The non-metallic metering box structure according to claim 4, characterized in that, A fixing nail (12) is inserted into the upper surface of one of the discs (11), and a fixing hole is opened on the upper surface of the fixing shell (16) and located directly below the fixing nail (12), and the fixing hole fits with the fixing nail (12).

7. The non-metallic metering box structure according to claim 1, characterized in that, Two motors are installed on the back of the housing (1) near the bottom, and the output ends of the two motors are respectively connected to two threaded rods (5).

Citation Information

Patent Citations

  • Non-metal low-voltage metering box

    CN222232543U