Double-protection boundary switch

Abstract

The utility model belongs to the field of boundary switches, and particularly relates to a double-protection boundary switch which comprises an air switch box, the left end and the right end of the air switch box are fixedly connected with three evenly-distributed connecting bases, the front face of the air switch box is hinged to two symmetrically-distributed protective covers, and the lower end of the air switch box is slidably connected with an installation frame. An adjusting mechanism is arranged on the air switch box, protective frames are fixedly connected to the upper portions of the left end and the right end of the air switch box, a handle is arranged on the front face of the air switch box, a fixing frame is fixedly connected to the upper end of the air switch box, and a limiting frame is slidably connected to the outer side of the fixing frame. According to the utility model, the positive and negative screw rod, the guide frame, the porous ring and other structures are additionally arranged on the vacuum box, so that the mounting frame can be driven to move through the screw-thread fit between the positive and negative screw rod and the mounting frame in the process that the vacuum box needs to be mounted, the mounting position can be adjusted, and the vacuum box is more convenient to mount.

Description

Technical Field

[0001] The utility model relates to the technical field of boundary switches, in particular to a double-protection boundary switch. Background Art

[0002] The outdoor AC high-voltage demarcation vacuum circuit breaker is a user demarcation switch. It primarily consists of the vacuum circuit breaker, a fault detection controller, and an external voltage transformer. It effectively protects both the circuit and the switch itself. However, existing demarcation switches are typically installed outdoors, where complex installation conditions can easily lead to misalignment of the mounting holes, hindering device installation. Furthermore, the control handle is exposed and easily triggered, impacting proper operation. Therefore, improvements to the existing technology are needed. Utility Model Content

[0003] The purpose of the utility model is to provide a double protection dividing switch, which solves the problems of inconvenient installation and easy accidental touch of the control handle.

[0004] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a double-protection boundary switch, comprising an empty opening box, wherein the left and right ends of the empty opening box are fixedly connected with three evenly distributed connecting seats, the front of the empty opening box is hinged with two symmetrically distributed protective covers, the lower end of the empty opening box is slidably connected with a mounting frame, an adjustment mechanism is provided on the empty opening box, the upper parts of the left and right ends of the empty opening box are fixedly connected with protective frames, a handle is provided on the front of the empty opening box, the upper end of the empty opening box is fixedly connected with a fixing frame, the outer side of the fixing frame is slidably connected with a limiting frame, and a spring is provided on the outer side of the rod of the fixing frame.

[0005] Preferably, the two protective covers are in contact with each other, and the protective frame is located directly above the connecting seat, and the protective frame can protect the connecting seat.

[0006] Preferably, the limit frame is in contact with the empty box, the limit frame is slidably connected to the protective cover, one end of the spring one is fixedly connected to the fixing frame, and the other end of the spring one is fixedly connected to the limit frame, and the spring one can drive the limit frame to automatically reset through elastic force.

[0007] Preferably, the adjustment mechanism includes a guide frame, and the lower end of the empty box is fixedly connected to two guide frames symmetrically distributed front and back, the lower end of the empty box is installed with forward and reverse screws through bearings, the right end of the forward and reverse screws is fixedly connected to the outer side of the vertical surface, the lower right end of the empty box is fixedly connected to a porous ring, the inner sliding connection of the rocker arm is connected to a positioning frame, a spring 2 is provided on the outer side of the rod of the positioning frame, a pull ring is installed on the outer side of the rod of the positioning frame through a bearing, and the forward and reverse screws can adjust the position of the mounting frame by threaded cooperation with the mounting frame.

[0008] Preferably, the guide frame is slidably connected to the mounting frame, the forward and reverse screws are threadedly connected to the mounting frame, the rocker arm is slidably connected to the porous ring, and the positioning frame can limit the rocker arm through the porous ring.

[0009] Preferably, the pull ring contacts the rocker arm, the positioning frame is slidably connected to the holes of the porous ring, one end of the spring 2 is fixedly connected to the positioning frame, and the other end of the spring 2 is fixedly connected to the rocker arm, and the spring 2 can drive the positioning frame to automatically reset through elastic force.

[0010] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0011] 1. The utility model adds structures such as forward and reverse screws, a guide frame and a porous ring to the vacuum box. When the vacuum box needs to be installed, the threaded cooperation between the forward and reverse screws and the mounting frame can drive the mounting frame to move, thereby adjusting the installation position, making the vacuum box easier to install.

[0012] 2. The utility model adds a protective cover, a limit frame and a fixed frame to the vacuum box, so that the handle on the front of the vacuum box can be protected by the protective cover. When it is needed, the limit frame can be separated from the protective cover, and the protective cover can be opened for normal operation, thereby avoiding accidentally touching the handle. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The overall structure of the utility model is three-dimensional Figure 1 ;

[0014] Figure 2 The overall structure of the utility model is three-dimensional Figure 2 ;

[0015] Figure 3 For the utility model Figure 1 Expanded view of the protective cover;

[0016] Figure 4 For the utility model Figure 1 An enlarged bottom-view cross-sectional view of the porous ring;

[0017] Figure 5 For the utility model Figure 1 A magnified view of the structure of part A.

[0018] In the figure: 1. Empty box; 2. Connecting seat; 3. Protective cover; 4. Mounting frame; 5. Adjustment mechanism; 6. Protective frame; 7. Handle; 8. Fixing frame; 9. Limiting frame; 10. Spring 1; 51. Guide frame; 52. Forward and reverse screws; 53. Multi-hole ring; 54. Rocker arm; 55. Positioning frame; 56. Spring 2; 57. Pull ring. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0020] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 A double protection boundary switch comprises an empty box 1, three evenly distributed connecting seats 2 are fixedly connected to the left and right ends of the empty box 1, two symmetrically distributed protective covers 3 are hinged on the front of the empty box 1, the lower end of the empty box 1 is slidably connected to the mounting frame 4, an adjustment mechanism 5 is provided on the empty box 1, and protective frames 6 are fixedly connected to the upper parts of the left and right ends of the empty box 1. A handle 7 is provided on the front of the empty box 1, and a fixing frame 8 is fixedly connected to the upper end of the empty box 1. The outer side of the fixing frame 8 is slidably connected to a limiting frame 9, and a spring 10 is provided on the outer side of the rod of the fixing frame 8.

[0021] See also Figure 1 、 Figure 2 、 Figure 3 、 Figure 5 The two protective covers 3 are in contact with each other, the protective frame 6 is located directly above the connecting seat 2, the protective frame 6 can protect the connecting seat 2, the limit frame 9 is in contact with the empty box 1, the limit frame 9 is slidingly connected to the protective cover 3, one end of the spring 10 is fixedly connected to the fixing frame 8, and the other end of the spring 10 is fixedly connected to the limit frame 9. The spring 10 can drive the limit frame 9 to automatically reset through elastic force.

[0022] See also Figure 1 、 Figure 2 、 Figure 4The adjusting mechanism 5 includes a guide frame 51. The lower end of the empty box 1 is fixedly connected to two guide frames 51 symmetrically distributed in the front and back. The lower end of the empty box 1 is installed with a forward and reverse screw 52 through a bearing. The right end of the forward and reverse screw 52 is fixedly connected to the outer side of the vertical surface of the right end. A rocker arm 54 is fixedly connected to the lower right end of the empty box 1. A porous ring 53 is fixedly connected to the inner sliding connection of the rocker arm 54. A spring 2 56 is provided on the outer side of the rod of the positioning frame 55. A pull ring 57 is installed on the outer side of the rod of the positioning frame 55 through a bearing. The forward and reverse screw 52 can pass through the mounting frame 4. The threaded cooperation is used to adjust the position of the mounting frame 4, the guide frame 51 is slidably connected to the mounting frame 4, the forward and reverse screws 52 are threadedly connected to the mounting frame 4, the rocker arm 54 is slidably connected to the porous ring 53, the positioning frame 55 can limit the rocker arm 54 through the porous ring 53, the pull ring 57 contacts the rocker arm 54, the positioning frame 55 is slidably connected to the hole of the porous ring 53, one end of the spring 2 56 is fixedly connected to the positioning frame 55, and the other end of the spring 2 56 is fixedly connected to the rocker arm 54, and the spring 2 56 can drive the positioning frame 55 to automatically reset through elastic force.

[0023] The specific implementation process of the present invention is as follows: when in use, the pull ring 57 is pulled, and the pull ring 57 drives the positioning frame 55 to move and compresses the spring 2 56. When the positioning frame 55 is separated from the porous ring 53, the limit of the rocker arm 54 can be released, and then the rocker arm 54 can drive the forward and reverse screws 52 to rotate. During the rotation process, the forward and reverse screws 52 can drive the mounting frame 4 to move through the threaded engagement with the mounting frame 4, and the position of the mounting frame 4 can be adjusted, thereby making the installation position more diverse and effectively ensuring the alignment of the mounting holes;

[0024] When it is necessary to operate the handle 7, the limit frame 9 is pushed upward, and the limit frame 9 compresses the spring 10. When the limit frame 9 is separated from the protective cover 3, the protective cover 3 can be opened, and then the handle 7 can be operated. After the operation is completed, the protective cover 3 is covered on the outside of the handle 7, and the limit frame 9 is released. The spring 10 is reset, and the spring 10 can drive the limit frame 9 to slide into the inside of the protective cover 3 through the elastic force to limit the protective cover 3, so that the handle 7 can be protected by the protective cover 3.

[0025] Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A double protection demarcation switch, comprising an empty switch box (1), characterized in that: The left and right ends of the empty box (1) are fixedly connected with three evenly distributed connecting seats (2), the front of the empty box (1) is hinged with two symmetrically distributed protective covers (3), the lower end of the empty box (1) is slidably connected with a mounting frame (4), the empty box (1) is provided with an adjustment mechanism (5), the upper parts of the left and right ends of the empty box (1) are fixedly connected with protective frames (6), the front of the empty box (1) is provided with a handle (7), the upper end of the empty box (1) is fixedly connected with a fixing frame (8), the outer side of the fixing frame (8) is slidably connected with a limiting frame (9), and the outer side of the rod of the fixing frame (8) is provided with a spring (10).

2. A dual protection demarcation switch according to claim 1, characterized in that: The two protective covers (3) are in contact with each other, and the protective frame (6) is located directly above the connecting seat (2).

3. The dual protection demarcation switch according to claim 1, characterized in that: The limiting frame (9) contacts the empty box (1), the limiting frame (9) is slidably connected to the protective cover (3), one end of the spring (10) is fixedly connected to the fixing frame (8), and the other end of the spring (10) is fixedly connected to the limiting frame (9).

4. The dual protection demarcation switch according to claim 1, characterized in that: The regulating mechanism (5) comprises a guide frame (51), the lower end of the empty box (1) is fixedly connected to two guide frames (51) symmetrically distributed front and back, the lower end of the empty box (1) is installed with a forward and reverse screw (52) through a bearing, the outer side of the right end vertical surface of the forward and reverse screw (52) is fixedly connected with a rocker arm (54), the lower right end of the empty box (1) is fixedly connected with a porous ring (53), the interior of the rocker arm (54) is slidably connected with a positioning frame (55), the outer side of the rod of the positioning frame (55) is provided with a spring 2 (56), and the outer side of the rod of the positioning frame (55) is installed with a pull ring (57) through a bearing.

5. The dual protection demarcation switch according to claim 4, characterized in that: The guide frame (51) is slidably connected to the mounting frame (4), the forward and reverse screws (52) are threadedly connected to the mounting frame (4), and the rocker arm (54) is slidably connected to the porous ring (53).

6. The dual protection demarcation switch according to claim 4, characterized in that: The pull ring (57) contacts the rocker arm (54), the positioning frame (55) is slidably connected to the hole of the porous ring (53), one end of the second spring (56) is fixedly connected to the positioning frame (55), and the other end of the second spring (56) is fixedly connected to the rocker arm (54).

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