Pole-mounted primary and secondary fusion circuit breaker easy to assemble

Abstract

The utility model discloses a pole-mounted primary and secondary fusion circuit breaker easy to assemble, which comprises a pole-mounted primary and secondary fusion circuit breaker switch body and two voltage transformer bodies, the top of the pole-mounted primary and secondary fusion circuit breaker switch body is fixedly connected with two mounting plates, and the bottom of each voltage transformer body is fixedly connected with a mounting block. A movable groove is formed in the front side of the top of the mounting plate, clamping blocks used in cooperation with the mounting block are slidably connected to the left side and the right side of an inner cavity of the movable groove, the mounting block is narrow in upper portion and wide in lower portion, and the clamping blocks are wide in upper portion and narrow in lower portion. According to the utility model, the mounting block at the bottom of the voltage transformer body is inserted into the inner cavity of the movable groove in the mounting plate, and the mounting block is clamped by the two clamping blocks, so that the voltage transformer body can be quickly and conveniently mounted on the front side of the pole-mounted primary and secondary fusion circuit breaker switch body; and the installation efficiency of the pole-mounted primary and secondary fusion circuit breaker switch body and the voltage transformer body is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of pole-mounted primary and secondary fusion circuit breakers, in particular to a pole-mounted primary and secondary fusion circuit breaker which is easy to assemble. Background Art

[0002] The primary and secondary fusion pole-mounted circuit breaker has short-circuit fault and overvoltage protection functions. Its overcurrent protection function is completed by the magnetic induction coil. Because of its complete maintenance function, maintenance and easy use, it is widely used in power supply systems.

[0003] A pole-mounted primary and secondary fusion circuit breaker generally consists of three major parts: a switch body, a voltage transformer, and an intelligent controller. The voltage transformer needs to be installed on the surface of the switch body to facilitate the connection of wires between the two. When installing the voltage transformer, professional tools are required, and the installation operation is relatively complicated. Therefore, it is necessary to design a pole-mounted primary and secondary fusion circuit breaker that is easy to assemble, which can realize the fast and stable installation and connection of the voltage transformer and the switch body. Utility Model Content

[0004] The purpose of the utility model is to provide a pole-mounted primary-secondary fusion circuit breaker that is easy to assemble, so as to solve the technical problems mentioned in the above background technology.

[0005] The technical solution of the utility model for solving the above-mentioned technical problems is as follows: an easy-to-assemble pole-mounted primary and secondary fusion circuit breaker, which includes a pole-mounted primary and secondary fusion circuit breaker switch body and two voltage transformer bodies: the top of the pole-mounted primary and secondary fusion circuit breaker switch body is fixedly connected to two mounting plates, the bottom of the voltage transformer body is fixedly connected to a mounting block, a movable groove is provided on the front side of the top of the mounting plate, and clamping blocks used in conjunction with the mounting block are slidably connected to the left and right sides of the inner cavity of the movable groove, the shape of the mounting block is set to be narrow at the top and wide at the bottom, and the shape of the clamping block is set to be wide at the top and narrow at the bottom.

[0006] Preferably, a sliding block is fixedly connected to the bottom of the clamping block, and a sliding groove for the sliding block to slide is provided at the bottom of the inner cavity of the movable groove.

[0007] Preferably, the inner cavity of the mounting plate is rotatably connected to a threaded rod, the surface of the threaded rod is threadedly connected to a threaded sleeve, the inner cavity of the mounting plate is fixedly installed with a guide rail, the threaded sleeve slides on the top of the guide rail, the left and right sides of the top of the threaded sleeve are rotatably connected to a rotating rod, guide rods are installed on the left and right sides of the inner cavity of the mounting plate, the sliding block slides on the surface of the guide rod, and the side of the rotating rod away from the threaded sleeve is rotatably connected to the bottom of the sliding block.

[0008] Preferably, rollers are installed on both the left and right sides of the threaded sleeve, and rolling grooves for the rollers to slide are opened on the surface of the guide rail.

[0009] Preferably, multiple telescopic rods are installed on the left and right sides of the movable groove inner cavity, and the side of the telescopic rod away from the movable groove inner cavity is fixedly installed on the surface of the clamping block. The surface of the telescopic rod is sleeved with a spring, and the two ends of the spring are fixedly connected to the surface of the clamping block and the movable groove inner cavity respectively.

[0010] Preferably, the front side of the threaded rod extends to the outside of the mounting plate and is fixedly connected to a rotating cap, and a triangular block is welded to the front side of the primary and secondary fusion circuit breaker switch body on the column, and the top of the triangular block is welded to the bottom of the mounting plate.

[0011] 1. The beneficial effect of the utility model is as follows: the utility model inserts the mounting block at the bottom of the voltage transformer body into the inner cavity of the movable groove in the mounting plate, and clamps the mounting block by two clamping blocks, thereby realizing a quick and convenient installation of the voltage transformer body on the front side of the primary and secondary fusion circuit breaker switch body on the pole, thereby improving the installation efficiency of the primary and secondary fusion circuit breaker switch body and the voltage transformer body on the pole.

[0012] 2. The utility model provides a roller. When the threaded rod rotates to drive the threaded sleeve to slide on the top of the guide rail, the roller rolls in the inner cavity of the rolling groove, thereby reducing the sliding resistance of the threaded sleeve and making the threaded sleeve slide more smoothly.

[0013] 3. The utility model provides a telescopic rod. When the clamping block slides in the inner cavity of the movable groove to clamp the mounting block, the telescopic rod will be driven to contract, thereby improving the sliding stability of the clamping block and preventing the clamping block from tilting and affecting the clamping force on the mounting block.

[0014] 4. The utility model can improve the stability of the installation of the primary and secondary fusion circuit breaker switch body on the mounting plate and the column through the provision of the triangular block, thereby improving the stability of the mounting plate in supporting the voltage transformer body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The above and / or other advantages of the present invention will become clearer and easier to understand through the detailed description made in conjunction with the following drawings. These drawings are only illustrative and do not limit the present invention, wherein:

[0016] Figure 1 This is a three-dimensional schematic diagram of an embodiment of the utility model during installation;

[0017] Figure 2 This is a disassembled three-dimensional schematic diagram of an embodiment of the utility model;

[0018] Figure 3 This is a partial three-dimensional disassembled schematic diagram of an embodiment of the utility model;

[0019] Figure 4For an embodiment of the present utility model Figure 3 A partial enlarged view of point A.

[0020] In the accompanying drawings, the components represented by the reference numerals are as follows:

[0021] 1. Column-mounted primary and secondary fusion circuit breaker switch body, 2. Voltage transformer body, 3. Mounting plate, 4. Movable slot, 5. Clamp, 6. Mounting block, 7. Sliding block, 8. Slide slot, 9. Threaded rod, 10. Threaded sleeve, 11. Rotating rod, 12. Guide rod, 13. Guide rail, 14. Roller, 15. Rolling slot, 16. Telescopic rod, 17. Spring, 18. Rotating cap, 19. Triangle block. DETAILED DESCRIPTION

[0022] Hereinafter, embodiments of a pole-mounted primary-secondary fusion circuit breaker that is easy to assemble according to the present invention will be described with reference to the accompanying drawings.

[0023] The embodiments described herein are specific embodiments of the present invention and are used to illustrate the concept of the present invention. They are illustrative and exemplary and should not be construed as limiting the embodiments and scope of the present invention. In addition to the embodiments described herein, those skilled in the art can also adopt other obvious technical solutions based on the claims and the disclosure of the specification, including technical solutions that adopt any obvious substitutions and modifications to the embodiments described herein.

[0024] The accompanying drawings in this specification are schematic diagrams that assist in illustrating the concepts of the present invention and schematically illustrate the shapes of the various components and their interrelationships. Please note that to clearly illustrate the structures of the various components of the embodiments of the present invention, the drawings are not drawn to the same scale. The same reference numerals are used to indicate the same parts.

[0025] Figure 1-4The utility model shows an easy-to-assemble pole-mounted primary and secondary fusion circuit breaker according to an embodiment of the present invention, which includes a pole-mounted primary and secondary fusion circuit breaker switch body 1 and two voltage transformer bodies 2: the top of the pole-mounted primary and secondary fusion circuit breaker switch body 1 is fixedly connected to two mounting plates 3, the bottom of the voltage transformer body 2 is fixedly connected to a mounting block 6, a movable groove 4 is provided on the front side of the top of the mounting plate 3, and the left and right sides of the inner cavity of the movable groove 4 are slidably connected to clamping blocks 5 used in conjunction with the mounting blocks 6, the shape of the mounting block 6 is set to be narrow at the top and wide at the bottom, the shape of the clamping block 5 is set to be wide at the top and narrow at the bottom, and the bottom of the clamping block 5 is fixedly connected to a sliding block 7, and the movable groove The bottom of the inner cavity is provided with a slide groove 8 for the sliding block 7 to slide, the inner cavity of the mounting plate 3 is rotatably connected with a threaded rod 9, the surface of the threaded rod 9 is threadedly connected with a threaded sleeve 10, the inner cavity of the mounting plate 3 is fixedly installed with a guide rail 13, the threaded sleeve 10 slides on the top of the guide rail 13, the left and right sides of the top of the threaded sleeve 10 are rotatably connected with a rotating rod 11, the left and right sides of the inner cavity of the mounting plate 3 are installed with a guide rod 12, the sliding block 7 slides on the surface of the guide rod 12, the side of the rotating rod 11 away from the threaded sleeve 10 is rotatably connected to the bottom of the sliding block 7, the left and right sides of the threaded sleeve 10 are installed with rollers 14, and the surface of the guide rail 13 is provided with rollers for rollers The rolling groove 15 in which the wheel 14 slides is provided. Through the setting of the roller 14, when the threaded rod 9 rotates to drive the threaded sleeve 10 to slide on the top of the guide rail 13, the roller 14 will roll in the inner cavity of the rolling groove 15, thereby reducing the sliding resistance of the threaded sleeve 10 and making the threaded sleeve 10 slide more smoothly. A plurality of telescopic rods 16 are installed on both sides of the inner cavity of the movable groove 4. The telescopic rod 16 is fixedly installed on the surface of the clamping block 5 on the side away from the inner cavity of the movable groove 4. Through the setting of the telescopic rod 16, when the clamping block 5 slides in the inner cavity of the movable groove 4 to clamp the mounting block 6, it will drive the telescopic rod 16 to retract, thereby improving the sliding stability of the clamping block 5. In order to prevent the clamping block 5 from tilting and affecting the clamping force on the mounting block 6, a spring 17 is sleeved on the surface of the telescopic rod 16, and the two ends of the spring 17 are fixedly connected to the surface of the clamping block 5 and the inner cavity of the movable groove 4 respectively. The front side of the threaded rod 9 extends to the outside of the mounting plate 3 and is fixedly connected to a rotating cap 18. A triangular block 19 is welded on the front side of the primary and secondary fusion circuit breaker switch body 1 on the column, and the top of the triangular block 19 is welded to the bottom of the mounting plate 3. Through the arrangement of the triangular block 19, the stability of the installation of the mounting plate 3 and the primary and secondary fusion circuit breaker switch body 1 on the column can be improved, thereby improving the stability of the mounting plate 3 in lifting the voltage transformer body 2.

[0026] Working principle: When using the present invention, the user inserts the mounting block 6 at the bottom of the voltage transformer body 2 into the inner cavity of the movable groove 4 in the mounting plate 3, and then rotates the rotating cap 18 to drive the threaded rod 9 to rotate synchronously, thereby driving the threaded sleeve 10 to slide backward on the top of the guide rail 13. At this time, the roller 14 will roll backward in the inner cavity of the rolling groove 15, and then drive the rotating rod 11 to rotate and pull the sliding block 7 to slide toward each other on the surface of the guide rod 12, and then drive the two clamping blocks 5 to slide toward each other in the inner cavity of the movable groove 4 to clamp the mounting block 6, thereby realizing a quick and convenient installation of the voltage transformer body 2 on the front side of the primary and secondary fused circuit breaker switch body 1 on the pole, thereby improving the installation efficiency of the primary and secondary fused circuit breaker switch body 1 and the voltage transformer body 2 on the pole.

[0027] To sum up: the easy-to-assemble pole-mounted primary and secondary fusion circuit breaker, by inserting the mounting block 6 at the bottom of the voltage transformer body 2 into the inner cavity of the movable groove 4 in the mounting plate 3, and clamping the mounting block 6 by two clamping blocks 5, can quickly and conveniently install the voltage transformer body 2 on the front side of the pole-mounted primary and secondary fusion circuit breaker switch body 1, thereby improving the installation efficiency of the pole-mounted primary and secondary fusion circuit breaker switch body 1 and the voltage transformer body 2.

[0028] The technical features disclosed above are not limited to the disclosed combinations with other features. Those skilled in the art can also make other combinations between the technical features according to the purpose of the utility model to achieve the purpose of the utility model.

Claims

1. Easy to assemble pole mounted primary and secondary fusion circuit breaker, characterized by: The invention comprises a column-mounted primary and secondary fusion circuit breaker switch body (1) and two voltage transformer bodies (2): the top of the column-mounted primary and secondary fusion circuit breaker switch body (1) is fixedly connected to two mounting plates (3), the bottom of the voltage transformer body (2) is fixedly connected to a mounting block (6), a movable groove (4) is provided on the front side of the top of the mounting plate (3), and clamping blocks (5) used in conjunction with the mounting blocks (6) are slidably connected to the left and right sides of the inner cavity of the movable groove (4), the shape of the mounting block (6) is set to be narrow at the top and wide at the bottom, and the shape of the clamping block (5) is set to be wide at the top and narrow at the bottom.

2. The easy-to-assemble pole-mounted primary and secondary fusion circuit breaker according to claim 1, characterized in that: The bottom of the clamping block (5) is fixedly connected to a sliding block (7), and the bottom of the inner cavity of the movable groove (4) is provided with a sliding groove (8) for the sliding block (7) to slide.

3. The easy-to-assemble pole-mounted primary and secondary fusion circuit breaker according to claim 2, characterized in that: The inner cavity of the mounting plate (3) is rotatably connected to a threaded rod (9), the surface of the threaded rod (9) is threadedly connected to a threaded sleeve (10), the inner cavity of the mounting plate (3) is fixedly installed with a guide rail (13), the threaded sleeve (10) slides on the top of the guide rail (13), the left and right sides of the top of the threaded sleeve (10) are rotatably connected to a rotating rod (11), the left and right sides of the inner cavity of the mounting plate (3) are installed with a guide rod (12), the sliding block (7) slides on the surface of the guide rod (12), and the side of the rotating rod (11) away from the threaded sleeve (10) is rotatably connected to the bottom of the sliding block (7).

4. The easy-to-assemble pole-mounted primary and secondary fusion circuit breaker according to claim 3, characterized in that: Rollers (14) are installed on both the left and right sides of the threaded sleeve (10), and rolling grooves (15) for the rollers (14) to slide are opened on the surface of the guide rail (13).

5. The easily assembled primary and secondary fused circuit breaker on a pole according to claim 4, characterized in that: A plurality of telescopic rods (16) are installed on both the left and right sides of the inner cavity of the movable groove (4); the side of the telescopic rod (16) away from the inner cavity of the movable groove (4) is fixedly installed on the surface of the clamping block (5); a spring (17) is sleeved on the surface of the telescopic rod (16); and the two ends of the spring (17) are fixedly connected to the surfaces of the clamping block (5) and the inner cavity of the movable groove (4), respectively.

6. The easily assembled primary and secondary fused circuit breaker on a pole according to claim 5, characterized in that: The front side of the threaded rod (9) extends to the outside of the mounting plate (3) and is fixedly connected to a rotating cap (18); a triangular block (19) is welded to the front side of the primary and secondary fusion circuit breaker switch body (1) on the column; and the top of the triangular block (19) is welded to the bottom of the mounting plate (3).

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