Vacuum circuit breaker convenient to install

Abstract

The utility model discloses a vacuum circuit breaker convenient to install, a connecting assembly, a transmission assembly and a fastening assembly, the vacuum circuit breaker comprises a vacuum circuit breaker main body, the bottom of the vacuum circuit breaker main body is fixedly provided with an installation plate, and the installation plate is connected in an installation seat through the connecting assembly. When the vacuum circuit breaker convenient to install is used, through the arranged connecting assembly, the installing plate at the bottom of the vacuum circuit breaker body extends into the installing groove, then the transmission assembly drives the bidirectional lead screw to rotate, then the two clamping blocks are driven to extend into the corresponding clamping grooves, and then through the arranged fastening assembly, the vacuum circuit breaker body is fastened. The connection tightness of the clamping block and the clamping groove is further enhanced, the connection stability of the vacuum circuit breaker main body and the mounting seat is enhanced, and the arranged transmission assembly is more labor-saving in use.

Description

Technical Field

[0001] The utility model relates to the technical field of vacuum circuit breakers, in particular to a vacuum circuit breaker convenient for installation. Background Art

[0002] "Vacuum circuit breaker" gets its name because the arc extinguishing medium and the insulating medium of the contact gap after arc extinguishing are both high vacuum; it has the advantages of small volume, light weight, being suitable for frequent operation, and no need for maintenance of arc extinguishing, and is widely used in the distribution network.

[0003] The patent document with the application number CN216562912U discloses a vacuum circuit breaker convenient for installation, including a circuit breaker body. A connecting seat is fixedly connected to the bottom of the circuit breaker body. An installation plate is connected to the bottom of the connecting seat. Heat dissipation grooves are formed in the connecting seat. Grooves corresponding to the heat dissipation grooves are formed in the bottom of the installation plate. Insertion slots are symmetrically arranged inside the installation groove. An adjusting mechanism is connected to one side of the connecting seat. An insertion mechanism is connected to the adjusting mechanism. The insertion mechanism is arranged inside the cavity of the connecting seat. By providing the insertion mechanism, after the vacuum circuit breaker is installed on the installation plate, the connecting seat can be locked through the insertion mechanism, improving the fixing effect on the circuit breaker body, facilitating installation, being convenient to operate, time-saving and labor-saving. By forming heat dissipation grooves in the connecting seat and grooves in the installation plate, it can not affect the heat dissipation of the circuit breaker body and facilitate the stable operation of the circuit breaker, which is convenient and practical.

[0004] When the above related technology is used, the guiding mechanism can push the connecting block and the support plate through the elastic force of the spring to avoid easily rotating the lead screw. The rotating handle on one side of the lead screw is directly exposed, and it is still easy to rotate the lead screw, resulting in unstable connection. Moreover, when installing, it is necessary to rotate the lead screws on both sides, which is time-consuming in operation and has low work efficiency. In view of the above problems, we have introduced a vacuum circuit breaker convenient for installation. Summary of the Utility Model

[0005] The utility model discloses a vacuum circuit breaker convenient for installation, aiming to solve the technical problems that when the related technology is used, the guiding mechanism can push the connecting block and the support plate through the elastic force of the spring to avoid easily rotating the lead screw, the rotating handle on one side of the lead screw is directly exposed, and it is still easy to rotate the lead screw, resulting in unstable connection, and when installing, it is necessary to rotate the lead screws on both sides, which is time-consuming in operation and has low work efficiency.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A vacuum circuit breaker convenient for installation includes a vacuum circuit breaker body. An installation plate is fixedly installed at the bottom of the vacuum circuit breaker body. The installation plate is connected inside an installation seat through a connection component. The connection component includes an installation groove opened inside the installation seat. On both sides of the installation groove inside the installation seat, clamping grooves are symmetrically opened. A moving groove is opened in the middle of the installation plate. A bidirectional lead screw is connected inside the moving groove through a transmission component. On both sides of the moving groove, clamping blocks are slidably connected through. A threaded groove is opened on one side of the clamping block close to the bidirectional lead screw. Both ends of the bidirectional lead screw extend into the threaded groove and are fixedly installed with third limit blocks. The clamping blocks extend into the clamping grooves and are fixed through a fastening component.

[0008] During use, through the provided connection component, the installation plate at the bottom of the vacuum circuit breaker body is extended into the installation groove. Then, the bidirectional lead screw is driven to rotate through the transmission component, and then the two clamping blocks are driven to extend into the corresponding clamping grooves. Then, through the provided fastening component, the fastening property of the connection between the clamping blocks and the clamping grooves is further enhanced, which is beneficial to enhancing the connection stability between the vacuum circuit breaker body and the installation seat. And the provided transmission component is more labor-saving to use, which is beneficial to solving the technical problems in the related technology during use. In the guiding mechanism, the connecting block and the support plate can be pushed by the elastic force of the spring to avoid easily rotating the lead screw. One side of the lead screw is directly exposed outside, and it is still easy to rotate the lead screw, resulting in unstable connection. And during installation, it is necessary to rotate the lead screws on both sides, which is time-consuming to operate and has low work efficiency.

[0009] In a preferred solution, the transmission component includes a worm gear fixedly installed in the middle on the outer side of the bidirectional lead screw. A worm is rotatably connected inside the moving groove and close to the worm gear. An avoidance groove is opened on the surface of the installation plate. One end of the worm extends into the avoidance groove and is fixedly installed with a rotating block.

[0010] By providing the transmission component, rotating the rotating block drives the worm to rotate. Then, through the meshing between the worm and the worm gear, it is beneficial to drive the bidirectional lead screw to rotate, and then drive the two clamping blocks to move towards each other or in the opposite direction, which is more convenient to use.

[0011] In a preferred solution, the fastening component includes vertical grooves opened below the clamping grooves inside the installation seat. Transverse grooves are opened on both sides of the installation seat and close to the vertical grooves. A push block is slidably connected inside the vertical groove. Plugging rods are fixedly installed at the tops of the push blocks. Plugging grooves are opened on one side of the clamping block close to the plugging rods. The top ends of the plugging rods extend into the plugging grooves. A sliding block is slidably connected inside the transverse groove. Threaded rods are symmetrically and threadedly connected on both sides of the installation seat. One ends of the threaded rods extend into the transverse groove and are rotatably connected to the sliding block. The sides of the sliding block and the push block close to each other are both provided with inclined surfaces.

[0012] When in use, after the mounting plate is installed inside the mounting seat through the connecting component, the clamping block extends into the clamping groove, and then through the arranged fastening component, the threaded rod is rotated to drive the sliding block to move towards the pushing block, the pushing block is pushed upwards by the sliding block, and then the inserting rod is pushed to extend into the inserting groove, which is beneficial to strengthening the connection and fixation between the clamping block and the clamping groove, and is also beneficial to preventing the rotating block from being accidentally rotated to drive the bidirectional lead screw to rotate, making the use more stable.

[0013] In a preferred solution, first limiting grooves are symmetrically formed inside the mounting plate and at the top of the moving groove, first limiting blocks are slidably connected inside the first limiting grooves, and one side of the first limiting block close to the clamping block is fixedly connected to the clamping block.

[0014] By arranging the sliding connection between the first limiting groove and the first limiting block, it is beneficial to prevent the bidirectional lead screw from rotating and driving the clamping block to rotate accordingly, making the use more stable.

[0015] In a preferred solution, a spring is sleeved outside the inserting rod, and the top and bottom ends of the spring are respectively fixedly connected to the top wall of the vertical groove and the top of the pushing block.

[0016] By arranging the spring, it is beneficial to quickly move the inserting rod and the pushing block downwards to reset when disassembling the main body of the vacuum circuit breaker by rotating the threaded rod to drive the sliding block to move, making it more labor-saving when the pushing block loses the upward thrust.

[0017] In a preferred solution, second limiting grooves are formed at the bottom of the transverse groove inside the mounting seat, second limiting blocks are slidably connected inside the second limiting grooves, and one side of the second limiting block close to the sliding block is fixedly connected to the sliding block.

[0018] By arranging the sliding connection between the second limiting block fixedly installed at the bottom of the sliding block and the second limiting groove, it is beneficial to prevent the threaded rod from rotating and driving the sliding block to rotate accordingly, making the movement of the sliding block more stable.

[0019] In a preferred solution, a positioning block is fixedly installed in the middle of the bottom of the mounting plate, a positioning groove is formed inside the mounting seat and on one side close to the positioning block, and the positioning block extends into the positioning groove.

[0020] By arranging the positioning block to extend into the positioning groove, it is beneficial to quickly position when installing the mounting plate inside the mounting seat.

[0021] The vacuum circuit breaker provided by the present utility model that is convenient for installation has the following advantages:

[0022] First, during use, through the set connection component, the mounting plate at the bottom of the vacuum circuit breaker body is extended into the mounting groove. Then, the drive component drives the bidirectional lead screw to rotate, and then drives the two clamping blocks to extend into the corresponding card slots. Then, through the set fastening component, the fastening of the connection between the clamping blocks and the card slots is further strengthened, which is beneficial to enhancing the stability of the connection between the vacuum circuit breaker body and the mounting seat. Moreover, the set drive component is more labor-saving to use, which is beneficial to solving the technical problems in the related technology during use. In the guiding mechanism, the elastic force of the spring can push the connecting block and the support plate to prevent the lead screw from rotating easily. The rotating handle on one side of the lead screw is directly exposed outside, and it is still easy to rotate the lead screw, resulting in unstable connection. Moreover, during installation, it is necessary to rotate the lead screws on both sides, which is time-consuming and has low work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 FIG. 6 is a three-dimensional schematic diagram of a vacuum circuit breaker that is easy to install according to the present invention.

[0024] Figure 2 FIG. 7 is a three-dimensional exploded schematic diagram of a vacuum circuit breaker that is easy to install according to the present invention.

[0025] Figure 3 FIG. 8 is a three-dimensional exploded sectional schematic diagram of a vacuum circuit breaker that is easy to install according to the present invention.

[0026] Figure 4 is Figure 3 an enlarged view of part A in FIG.

[0027] Figure 5 is Figure 3 an enlarged view of part B in FIG.

[0028] In the drawings: 1, vacuum circuit breaker body; 2, mounting seat; 3, connection component; 31, mounting groove; 32, card slot; 33, moving groove; 34, drive component; 341, worm gear; 342, worm; 343, first limit groove; 344, first limit block; 345, rotating block; 35, clamping block; 36, bidirectional lead screw; 37, thread groove; 38, third limit block; 39, positioning groove; 310, positioning block; 4, mounting plate; 5, fastening component; 51, vertical groove; 52, horizontal groove; 53, push block; 54, insertion rod; 55, insertion slot; 56, sliding block; 57, threaded rod; 58, second limit groove; 59, second limit block; 510, spring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application. Obviously, the described embodiments are only a part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and marked in the accompanying drawings here can be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the claimed present application, but merely represents the selected embodiments of the present application. All other embodiments obtained by those skilled in the art based on the embodiments of the present application without creative efforts belong to the scope of protection of the present application.

[0030] A vacuum circuit breaker that is easy to install disclosed by the present utility model is mainly applied to the installation scenario of a vacuum circuit breaker.

[0031] Referring to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 5 , a vacuum circuit breaker that is easy to install, includes: a vacuum circuit breaker main body 1, an installation plate 4 is fixedly installed at the bottom of the vacuum circuit breaker main body 1, the installation plate 4 is connected inside an installation seat 2 through a connection component 3, the connection component 3 includes an installation groove 31, the installation groove 31 is opened inside the installation seat 2, card slots 32 are symmetrically opened on both sides of the installation groove 31 inside the installation seat 2, a moving groove 33 is opened in the middle of the installation plate 4, a bidirectional lead screw 36 is connected inside the moving groove 33 through a transmission component 34, both sides inside the moving groove 33 are slidably connected through a through hole, a clamping block 35 is provided on one side of the moving groove 33 close to the bidirectional lead screw 36, a threaded groove 37 is opened on one side of the clamping block 35 close to the bidirectional lead screw 36, both ends of the bidirectional lead screw 36 respectively extend into the threaded groove 37 and are fixedly installed with third limit blocks 38, and the clamping block 35 extends into the card slot 32 and is fixed through a fastening component 5.

[0032] In this embodiment: when in use, through the arranged connection component 3, the installation plate 4 at the bottom of the vacuum circuit breaker main body 1 is extended into the installation groove 31, then the bidirectional lead screw 36 is driven to rotate through the transmission component 34, and then the two clamping blocks 35 are driven to extend into the corresponding card slots 32, and then through the arranged fastening component 5, the fastening property of the connection between the clamping block 35 and the card slot 32 is further enhanced, which is beneficial to enhancing the connection stability between the vacuum circuit breaker main body 1 and the installation seat 2, and the arranged transmission component 34 is more labor-saving to use, which is beneficial to solving the technical problems in the related art during use. The guiding mechanism can push the connecting block and the supporting plate through the elastic force of the spring to avoid easily rotating the lead screw. The rotating handle on one side of the lead screw is directly exposed outside, and it is still easy to rotate the lead screw, resulting in unstable connection. Moreover, during installation, it is necessary to rotate the lead screws on both sides, which is time-consuming and has low work efficiency.

[0033] In the above technical solution, considering the problem of stable rotation of the bidirectional lead screw 36, to solve such problems, the specific operation is as follows:

[0034] Referring to Figure 3 and Figure 5 , in a preferred embodiment, the transmission assembly 34 includes a worm gear 341, the worm gear 341 is fixedly installed in the middle on the outer side of the bidirectional lead screw 36, and a worm 342 is rotatably connected to one side of the inner part of the moving groove 33 close to the worm gear 341. An avoidance groove is formed on the surface of the mounting plate 4, and one end of the worm 342 extends into the avoidance groove and is fixedly installed with a rotating block 345;

[0035] Among them, first limiting grooves 343 are symmetrically formed inside the mounting plate 4 and at the top of the moving groove 33, first limiting blocks 344 are slidably connected inside the first limiting grooves 343, and one side of the first limiting blocks 344 close to the clamping block 35 is fixedly connected to the clamping block 35; By setting the first limiting grooves 343 to be slidably connected to the first limiting blocks 344, it is beneficial to prevent the bidirectional lead screw 36 from driving the clamping block 35 to rotate together, and the use is more stable.

[0036] Among them, a positioning block 310 is fixedly installed in the middle at the bottom of the mounting plate 4, and a positioning groove 39 is formed on one side of the mounting seat 2 close to the positioning block 310, and the positioning block 310 extends into the positioning groove 39; By setting the positioning block 310 to extend into the positioning groove 39, it is beneficial to quickly position the mounting plate 4 when it is installed inside the mounting seat 2.

[0037] In this embodiment: By setting the transmission assembly 34, rotating the rotating block 345 drives the worm 342 to rotate, and then through the meshing between the worm 342 and the worm gear 341, it is beneficial to drive the bidirectional lead screw 36 to rotate, and then drive the two clamping blocks 35 to move towards or away from each other, and the use is more convenient.

[0038] In the above technical solution, considering the problem of fixing the connection between the clamping block 35 and the clamping groove 32, to solve such problems, the specific operation is as follows:

[0039] Referring to Figure 3 and Figure 4, in a preferred embodiment, the fastening assembly 5 includes vertical grooves 51. Vertical grooves 51 are provided inside the mounting base 2 and below the clamping grooves 32. Transverse grooves 52 are provided on one side of the mounting base 2 close to the vertical grooves 51. A push block 53 is slidably connected inside the vertical groove 51. Insertion rods 54 are fixedly installed at the tops of the push blocks 53. Insertion slots 55 are provided on one side of the clamping blocks 35 close to the insertion rods 54. The top ends of the insertion rods 54 extend into the insertion slots 55. A sliding block 56 is slidably connected inside the transverse groove 52. Threaded rods 57 are symmetrically and threadedly connected to both sides of the mounting base 2. One ends of the threaded rods 57 extend into the transverse groove 52 and are rotatably connected to the sliding block 56. The sides of the sliding block 56 and the push block 53 close to each other are both provided with inclined surfaces.

[0040] Wherein, a spring 510 is sleeved outside the insertion rod 54. The top end and the bottom end of the spring 510 are respectively fixedly connected to the top wall of the vertical groove 51 and the top of the push block 53. By providing the spring 510, it is beneficial to drive the sliding block 56 to move by rotating the threaded rod 57 when disassembling the vacuum circuit breaker body 1, so that after the push block 53 loses the upward thrust, it drives the insertion rod 54 and the push block 53 to quickly move downward and reset, which is more labor-saving.

[0041] Wherein, second limiting grooves 58 are provided inside the mounting base 2 and at the bottom of the transverse grooves 52. Second limiting blocks 59 are slidably connected inside the second limiting grooves 58. The sides of the second limiting blocks 59 close to the sliding block 56 are fixedly connected to the sliding block 56. By providing the second limiting blocks 59 fixedly installed at the bottom of the sliding block 56 and slidably connected to the second limiting grooves 58, it is beneficial to prevent the threaded rod 57 from rotating and driving the sliding block 56 to rotate therewith, making the movement of the sliding block 56 more stable.

[0042] In this embodiment: during use, after the mounting plate 4 is installed inside the mounting base 2 through the connecting assembly 3, wherein the clamping block 35 extends into the clamping groove 32, and then through the provided fastening assembly 5, rotate the threaded rod 57 to drive the sliding block 56 to move towards the push block 53. The push block 53 is pushed to move upward by the sliding block 56, and then the insertion rod 54 is pushed to extend into the insertion slot 55, which is beneficial to strengthening the connection and fixation between the clamping block 35 and the clamping groove 32, and is beneficial to preventing the rotation block 345 from being accidentally rotated to drive the bidirectional lead screw 36 to rotate, making the use more stable.

[0043] Working principle: When in use, through the provided connecting component 3, the mounting plate 4 at the bottom of the vacuum circuit breaker body 1 is extended into the installation groove 31. Then, through the transmission component 34, the rotating block 345 is rotated to drive the worm 342 to rotate. Subsequently, through the meshing between the worm 342 and the worm gear 341, the bidirectional lead screw 36 is driven to rotate, and then the two clamping blocks 35 are driven to extend into the corresponding clamping grooves 32. Through the provided fastening component 5, the threaded rod 57 is rotated to drive the sliding block 56 to move towards the pushing block 53. The pushing block 53 is pushed upward by the sliding block 56, and then the insertion rod 54 is pushed to extend into the insertion slot 55, which is beneficial to strengthening the connection and fixation between the clamping block 35 and the clamping groove 32, and is also beneficial to preventing the accidental rotation of the rotating block 345 from driving the bidirectional lead screw 36 to rotate, making the use more stable.

[0044] As described above, only the preferred specific implementation manner of the present utility model is provided, but the protection scope of the present utility model is not limited thereto. The substitution may be the substitution of part of the structure, device, method step, or the entire technical solution. Any equivalent substitution or change made according to the technical solution of the present utility model and its inventive concept should be covered within the protection scope of the present utility model.

Claims

1. A vacuum circuit breaker convenient for installation, comprising a vacuum circuit breaker body (1), characterized in that, A mounting plate (4) is fixedly installed at the bottom of the vacuum circuit breaker body (1). The mounting plate (4) is connected inside the mounting seat (2) through a connecting component (3). The connecting component (3) includes a mounting groove (31) which is opened inside the mounting seat (2). On both sides of the mounting groove (31) inside the mounting seat (2), clamping grooves (32) are symmetrically opened. A moving groove (33) is opened in the middle of the mounting plate (4). A bidirectional lead screw (36) is connected inside the moving groove (33) through a transmission component (34). On both sides inside the moving groove (33), clamping blocks (35) are slidably connected through. On one side of the clamping block (35) close to the bidirectional lead screw (36), a threaded groove (37) is opened. Both ends of the bidirectional lead screw (36) respectively extend into the threaded groove (37) and a third limiting block (38) is fixedly installed. The clamping block (35) extends into the clamping groove (32) and is fixed through a fastening component (5).

2. The vacuum circuit breaker according to claim 1, which is easy to install, is characterized in that, The transmission component (34) includes a worm gear (341) which is fixedly installed in the middle on the outer side of the bidirectional lead screw (36). A worm (342) is rotatably connected inside the moving groove (33) and on one side close to the worm gear (341). An avoidance groove is opened on the surface of the mounting plate (4). One end of the worm (342) extends into the avoidance groove and a rotating block (345) is fixedly installed.

3. The vacuum circuit breaker according to claim 1, which is easy to install, is characterized in that, The fastening component (5) includes vertical grooves (51). Vertical grooves (51) are opened inside the mounting seat (2) and below the clamping grooves (32). Transverse grooves (52) are opened on one side close to the vertical grooves (51) inside the mounting seat (2). Push blocks (53) are slidably connected inside the vertical grooves (51). Plugging rods (54) are fixedly installed on the tops of the push blocks (53). Plugging grooves (55) are opened on one side of the clamping block (35) close to the plugging rod (54). The top ends of the plugging rods (54) extend into the plugging grooves (55). Sliding blocks (56) are slidably connected inside the transverse grooves (52). Threaded rods (57) are symmetrically and threadedly connected to both sides of the mounting seat (2). One ends of the threaded rods (57) respectively extend into the transverse grooves (52) and are rotatably connected to the sliding blocks (56). The sides of the sliding blocks (56) and the push blocks (53) close to each other are both bevel surfaces.

4. The vacuum circuit breaker according to claim 2, characterized in that, One - limiting grooves (343) are symmetrically opened inside the mounting plate (4) and above the moving groove (33). One - limiting blocks (344) are slidably connected inside the one - limiting grooves (343). The sides of the one - limiting blocks (344) close to the clamping blocks (35) are fixedly connected to the clamping blocks (35).

5. The vacuum circuit breaker according to claim 3, characterized in that, A spring (510) is sleeved outside the plugging rod (54). The top end and the bottom end of the spring (510) are respectively fixedly connected to the top wall of the vertical groove (51) and the top of the push block (53).

6. The vacuum circuit breaker according to claim 3, characterized in that, A second limiting groove (58) is formed inside the mounting base (2) and at the bottom of the transverse groove (52). A second limiting block (59) is slidably connected inside each second limiting groove (58), and one side of each second limiting block (59) close to the sliding block (56) is fixedly connected to the sliding block (56).

7. A vacuum circuit breaker that is easy to install according to claim 1, characterized in that, A positioning block (310) is fixedly installed in the middle of the bottom of the mounting plate (4). A positioning groove (39) is formed inside the mounting base (2) and on one side close to the positioning block (310). The positioning block (310) extends into the positioning groove (39).

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