Non-metal low-voltage metering box

Abstract

The utility model relates to the technical field of non-metal low-voltage metering boxes, and discloses a non-metal low-voltage metering box, the interior of a metering box body is slidably connected with a stretching plate, the bottom end of the interior of the metering box body is provided with a spring groove 3, the interior of the spring groove 3 is slidably connected with a sliding plate, the front end of the sliding plate is fixedly connected with a push rod, and the front end of the push rod is fixedly connected with a push rod. The bottom end of the sliding plate is fixedly connected with a return spring, the bottom end of the return spring is fixedly connected with the bottom end of the interior of the spring groove 3, the top end of the sliding plate is fixedly connected with an inserting block, and an inserting groove is formed in the bottom end of the stretching plate. According to the non-metal low-voltage metering box, a worker presses a push rod downwards, the push rod drives a sliding plate to press downwards, the sliding plate extrudes a return spring to compress and store force, meanwhile, an insertion block is driven to relieve limiting between the insertion block and an insertion groove, the worker pulls a stretching plate to the outside of the metering box body, and the worker can overhaul and maintain equipment conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field of non-metallic low-pressure metering boxes, in particular to a non-metallic low-pressure metering box. Background Art

[0002] The meter box is a collection of metering instruments and auxiliary equipment necessary for measuring electric energy, including electric energy meters, voltage and current transformers and their secondary circuits, electric energy metering panels, cabinets, boxes, etc. The meter box can be installed in a suspended or floor-standing manner. To ensure the quality of installation, the suspended box must be fixed with built-in expansion bolts, and the bolt size must meet the safety and firmness requirements and outdoor installation conditions.

[0003] A Chinese patent discloses a single-phase single-meter non-metallic low-voltage metering box (authorization announcement number CN205941638U). The patented technology has a simple and reasonable structure. Smaller and lower-height devices are installed in the box corresponding to the curved surface, so that the internal space of the box is fully utilized and space waste is avoided. The box also has a beautiful appearance, saves external space, reduces the use of materials, and has a lower cost.

[0004] With respect to the above-mentioned and existing related technologies, the inventors believe that the following defects often exist: when inspecting and repairing existing meter boxes, workers need to use tools to inspect and maintain the interior. Due to the small internal space of the meter box, it is not convenient for workers to observe the line equipment, making it inconvenient for workers to perform maintenance and repairs. Utility Model Content

[0005] The technical problem to be solved by the utility model is that the prior art has the disadvantage of being inconvenient for maintenance and overhaul by staff, for which we propose a non-metallic low-pressure metering box.

[0006] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme: a non-metallic low-pressure metering box, comprising a metering box body, a stretching plate is slidably connected inside the metering box body, a spring groove 3 is provided at the bottom end inside the metering box body, a slide plate is slidably connected inside the spring groove 3, a push rod is fixedly connected to the front end of the slide plate, a return spring is fixedly connected to the bottom end of the slide plate, the bottom end of the return spring is fixedly connected to the bottom end of the spring groove 3, an insert block is fixedly connected to the top end of the slide plate, and a slot is provided at the bottom end of the stretching plate.

[0007] Preferably, both sides of the spring groove 3 are provided with sliding grooves, both sides of the slide plate are fixedly connected with sliding blocks, and the surface of the sliding block is slidably connected to the inside of the sliding groove.

[0008] Preferably, sliding grooves are provided on both sides of the metering box body, and sliding blocks are fixedly connected to both sides of the stretching plate, and the surface of the sliding block is slidably connected to the inside of the sliding groove.

[0009] Preferably, buffer boxes are fixedly connected to both sides of the top of the metering box body, a sliding plate is slidably connected to the inside of the buffer box, a buffer spring is fixedly connected to the top of the sliding plate, a buffer column is fixedly connected to the top of the buffer spring, and a protective plate is fixedly connected to the top of the buffer column.

[0010] Preferably, the front end and the rear end of the buffer box are both provided with moving grooves, the front end and the rear end of the sliding plate are both fixedly connected with moving blocks, and the surface of the moving block is slidably connected to the inside of the moving groove.

[0011] Preferably, a threaded hole is provided at the left end of the buffer box, and the number of the threaded holes is several and all are provided at the left end of the buffer box, and a threaded rod is rotatably connected inside the threaded hole.

[0012] Preferably, the protective plate is made of nylon rubber.

[0013] Technical effects and advantages of the utility model:

[0014] In the utility model, a worker presses the push rod downward, and the push rod drives the slide plate to press downward. The slide plate squeezes the return spring to compress and store force, and at the same time drives the plug block to release the limit between it and the slot. The worker pulls the stretching plate to the outside of the metering box body, which is convenient for the worker to inspect and maintain the equipment.

[0015] In the utility model, by setting the protective plate, when the meter box body is installed for outdoor operation, the protective plate blocks and protects falling objects, and the protective plate pushes the buffer column downward to squeeze the buffer spring for buffering, and the falling objects hit by the protective plate are buffered under the action of the buffer force of the buffer spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0017] Figure 2 It is a partial cross-sectional structural schematic diagram of the utility model;

[0018] Figure 3 For this utility model Figure 2 A partial enlarged view of the middle A;

[0019] Figure 4 This is a schematic diagram of the internal structure of the spring slot of the utility model;

[0020] Figure 5 This is a schematic diagram of the structure of the buffer box of the utility model;

[0021] Figure 6 For this utility model Figure 5 A partial enlarged view of point B in the middle.

[0022] Legend: 1. Metering box body; 2. Tension plate; 3. Spring slot; 4. Slide plate; 5. Push rod; 6. Return spring; 7. Insert block; 8. Slot; 9. Slide groove; 10. Slider; 11. Sliding groove; 12. Sliding block; 13. Buffer box; 14. Sliding plate; 15. Buffer spring; 16. Buffer column; 17. Protective plate; 18. Moving groove; 19. Moving block; 20. Threaded hole; 21. Threaded rod. DETAILED DESCRIPTION

[0023] The present invention will now be further described in detail in conjunction with the accompanying drawings and preferred embodiments. These drawings are simplified schematic diagrams that only illustrate the basic structure of the present invention in a schematic manner, and therefore only show the components related to the present invention.

[0024] Reference Figure 1 , Figure 2 and Figure 3 As shown, the utility model provides a technical solution: a non-metallic low-pressure metering box, comprising a metering box body 1, a stretching plate 2 is slidably connected inside the metering box body 1, a spring groove 3 is provided at the bottom end inside the metering box body 1, a slide plate 4 is slidably connected inside the spring groove 3, a push rod 5 is fixedly connected to the front end of the slide plate 4, a return spring 6 is fixedly connected to the bottom end of the slide plate 4, the bottom end of the return spring 6 is fixedly connected to the bottom end inside the spring groove 3, an insert block 7 is fixedly connected to the top of the slide plate 4, a slot 8 is provided at the bottom end of the stretching plate 2, the staff presses the push rod 5 downward, the push rod 5 drives the slide plate 4 to press down, the slide plate 4 squeezes the return spring 6 to compress and store force, and at the same time drives the insert block 7 to release the limit between the slot 8, the staff pulls the stretching plate 2 to the outside of the metering box body 1, so that the staff can inspect and maintain the equipment conveniently.

[0025] Reference Figure 4 As shown, in the present embodiment: slide grooves 9 are provided on both sides of the spring groove 3, and sliders 10 are fixedly connected on both sides of the slide plate 4. The surface of the slider 10 is slidably connected to the inside of the slide groove 9. When the staff moves the slide plate 4, the slider 10 is driven to slide inside the slide groove 9. The setting between the slide groove 9 and the slider 10 fixes the moving trajectory of the slide plate 4 to prevent the slide plate 4 from excessively extending upward.

[0026] Reference Figure 4As shown, in the present embodiment: sliding grooves 11 are provided on both sides of the inside of the metering box body 1, sliding blocks 12 are fixedly connected on both sides of the stretching plate 2, and the surface of the sliding block 12 is slidably connected to the inside of the sliding groove 11. When the staff moves the stretching plate 2, the sliding block 12 is driven to slide inside the sliding groove 11. The setting between the sliding groove 11 and the sliding block 12 fixes the moving trajectory of the stretching plate 2, and at the same time prevents the stretching plate 2 from falling off and causing damage when extending outward.

[0027] Reference Figure 5 and Figure 6 As shown, in the present embodiment: buffer boxes 13 are fixedly connected to both sides of the top of the metering box body 1, a sliding plate 14 is slidably connected to the inside of the buffer box 13, a buffer spring 15 is fixedly connected to the top of the sliding plate 14, a buffer column 16 is fixedly connected to the top of the buffer spring 15, a protective plate 17 is fixedly connected to the top of the buffer column 16, and through the setting of the protective plate 17, when the metering box body 1 is installed for outdoor operation, the protective plate 17 blocks and protects falling objects, and the protective plate 17 pushes the buffer column 16 downward to squeeze the buffer spring 15 for buffering, and the falling objects hit by the protective plate 17 are buffered under the action of the buffer force of the buffer spring 15.

[0028] Reference Figure 5 and Figure 6 As shown, in the present embodiment: the front end and the rear end of the buffer box 13 are both provided, the front end and the rear end of the sliding plate 14 are both fixedly connected with a moving block 19, the surface of the moving block 19 is slidably connected with the inside of the moving groove 18, and the staff drives the moving block 19 to slide in the moving groove 18 during the process of moving the sliding plate 14. The moving track of the sliding plate 14 is fixed by changing the setting of the moving block 19 through the moving groove 18 to avoid shaking caused by misalignment.

[0029] Reference Figure 5 and Figure 6 As shown, in the present embodiment: a threaded hole 20 is provided at the left end of the buffer box 13, and the number of the threaded holes 20 is several and all are provided at the left end of the buffer box 13, and a threaded rod 21 is rotatably connected inside the threaded hole 20, and the staff lifts the sliding plate 14 upward, and the sliding plate 14 pushes the buffer spring 15 upward, and the staff uses the threaded rod 21 to insert into the threaded hole 20 to fix the position of the sliding plate 14, so that the staff can adjust the rebound force of the buffer spring 15.

[0030] Reference Figure 1 As shown, in this embodiment: the material of the protective plate 17 is nylon rubber. By setting the protective plate 17 to be nylon rubber, the protective plate 17 is easy to maintain later and has good maintenance capabilities, so the protective plate 17 is easy to clean.

[0031] The utility model works as follows: the staff member presses the push rod 5 downward, and the push rod 5 drives the slide plate 4 to be pressed down. The slide plate 4 squeezes the return spring 6 to compress and store force, and at the same time drives the plug block 7 to release the limit between the slot 8. The staff member pulls the stretching plate 2 to the outside of the metering box body 1, which is convenient for the staff member to inspect and maintain the equipment. In the process of moving the slide plate 4, the staff member drives the slider 10 to slide inside the slide groove 9. The setting between the slide groove 9 and the slider 10 fixes the moving trajectory of the slide plate 4 to prevent the slide plate 4 from extending excessively upward. In the process of moving the stretching plate 2, the staff member drives the sliding block 12 to slide inside the sliding groove 11. The setting between the sliding groove 11 and the sliding block 12 fixes the moving trajectory of the stretching plate 2, and at the same time prevents the stretching plate 2 from falling off and causing damage when it extends outward. Through the setting of the protective plate 17, when the metering box body 1 is installed for outdoor operations, The protective plate 17 blocks and protects falling objects. The protective plate 17 pushes the buffer column 16 downward to squeeze the buffer spring 15 for buffering. Under the action of the buffer force of the buffer spring 15, the falling objects that fall from the protective plate 17 are buffered. In the process of moving the sliding plate 14, the staff drives the moving block 19 to slide inside the moving groove 18. The moving trajectory of the sliding plate 14 is fixed by changing the setting of the moving block 19 through the moving groove 18 to avoid shaking caused by misalignment. The staff lifts the sliding plate 14 upward, and the sliding plate 14 pushes the buffer spring 15 to lift upward. The staff uses the threaded rod 21 to insert into the threaded hole 20 to fix the position of the sliding plate 14, so that the staff can adjust the resilience of the buffer spring 15. The material of the protective plate 17 is nylon rubber, so that the protective plate 17 is easy to maintain later, and has good maintenance capabilities, which is convenient for cleaning the protective plate 17.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A non-metallic low-pressure metering box, comprising a metering box body (1), characterized in that: The metering box body (1) is slidably connected to a stretching plate (2), the bottom end of the metering box body (1) is provided with a spring groove (3), the spring groove (3) is slidably connected to a slide plate (4), the front end of the slide plate (4) is fixedly connected to a push rod (5), the bottom end of the slide plate (4) is fixedly connected to a return spring (6), the bottom end of the return spring (6) is fixedly connected to the bottom end of the spring groove (3), the top end of the slide plate (4) is fixedly connected to an insert block (7), and the bottom end of the stretching plate (2) is provided with a slot (8).

2. A non-metallic low-pressure metering box according to claim 1, characterized in that: Slide grooves (9) are provided on both sides of the spring groove (3), and sliding blocks (10) are fixedly connected to both sides of the slide plate (4), and the surface of the sliding block (10) is slidably connected to the inside of the slide groove (9).

3. A non-metallic low-pressure metering box according to claim 1, characterized in that: Sliding grooves (11) are provided on both sides of the metering box body (1), and sliding blocks (12) are fixedly connected to both sides of the stretching plate (2), and the surface of the sliding block (12) is slidably connected to the inside of the sliding groove (11).

4. A non-metallic low-pressure metering box according to claim 1, characterized in that: Both sides of the top of the metering box body (1) are fixedly connected to a buffer box (13), the interior of the buffer box (13) is slidably connected to a sliding plate (14), the top of the sliding plate (14) is fixedly connected to a buffer spring (15), the top of the buffer spring (15) is fixedly connected to a buffer column (16), and the top of the buffer column (16) is fixedly connected to a protective plate (17).

5. A non-metallic low-pressure metering box according to claim 4, characterized in that: The front end and the rear end of the buffer box (13) are both provided with a moving groove (18), the front end and the rear end of the sliding plate (14) are both fixedly connected with a moving block (19), and the surface of the moving block (19) is slidably connected to the inside of the moving groove (18).

6. A non-metallic low-pressure metering box according to claim 4, characterized in that: A threaded hole (20) is provided at the left end of the buffer box (13). The threaded holes (20) are multiple in number and are all provided at the left end of the buffer box (13). A threaded rod (21) is rotatably connected inside the threaded hole (20).

7. A non-metallic low-pressure metering box according to claim 4, characterized in that: The material of the protective plate (17) is nylon rubber.

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