Circuit switching module

Abstract

The key points of the technical scheme of the utility model are that the circuit switching module comprises an outer shell, a switching assembly is installed in the outer shell, the switching assembly comprises a rotating disc used for controlling circuit switching, the shell is rotatably connected with a knob, the knob is fixedly connected with a spring fixedly connected with the rotating disc, and the spring is fixedly connected with the rotating disc. The rotary knob is arranged on the rotary disc, a plug connector is fixedly connected to the section, facing the rotary knob, of the rotary disc, and a plug groove used for containing the plug connector is formed in the end, facing the rotary disc, of the rotary knob. And the problems of incorrect circuit connection, shutdown of mechanical equipment and serious loss of production operation caused by the fact that the rotary knob drives the rotating disc to rotate when not necessary are prevented, so that the aim that the rotary knob does not control the switching circuit any more after the connection circuit is switched is fulfilled.

Description

Technical Field

[0001] The utility model relates to a circuit device, more specifically, it relates to a circuit switching module. Background Art

[0002] A circuit switching module is a device used on electrical appliances to open and close circuits. For example, it is used for switching three-phase AC voltage in an electric power system and outputting one phase of the voltage. Usually, the switching module is connected using a rectangular connector, has no exposed terminals, and has two functions: one is to be used as a circuit switch, and the other is to be used to switch the parallel circuit of the power supply connection when there are multiple parallel circuits. The switching device in the prior art usually uses a knob as a medium for controlling the connection. In actual use, it is found that since the knob itself is easy to turn, although it is more labor-saving when twisting, the connection between the circuit and the power supply usually needs to be maintained for a long time. The easy-to-turn knob is prone to collision and rotation on the assembly line equipment due to vibration or accidental touch of the equipment itself, resulting in incorrect circuit connection, mechanical equipment shutdown, and serious losses to production operations. Therefore, a circuit switching module is needed in which the knob can no longer control the switching circuit after switching the connection circuit.

[0003] In view of the above reasons, how to lock the knob after switching the connection circuit is exactly the problem considered by the present application. Utility Model Content

[0004] In view of the shortcomings of the prior art, a circuit switching module is provided, in which a knob can no longer control the switching circuit after the connection circuit is switched.

[0005] To achieve the above-mentioned purpose, the following technical solution is provided: a circuit switching module, comprising an outer shell, a switching component installed in the outer shell, the switching component comprising a rotating disk for controlling circuit switching, a knob rotatably connected to the shell, the knob is fixedly connected to a spring fixedly connected to the rotating disk, a connector is fixedly connected to a section of the rotating disk facing the knob, and a plug-in slot for accommodating the connector is provided at one end of the knob facing the rotating disk.

[0006] In summary, the above technical solution has the following beneficial effects: since the rotating disk in the switching assembly itself has a certain friction, it is not easy to rotate, and the rotating disk and the connector are not parts that the user directly contacts, the rotating disk can be rotated only when it contacts the side of the connector, so the side area of ​​the connector is set to be smaller, reducing the possibility of the side of the connector being hit due to large vibrations of the device itself;

[0007] The knob is a part that the user directly contacts. The plug-in slot is provided to accommodate the plug-in component, so that the knob can play the role of facilitating the rotation of the rotating disk, and when the knob is rotated, the inner wall of the plug-in slot can abut against the side of the plug-in component to drive the rotating disk fixedly connected to the plug-in component to rotate. In addition, the knob is also the reason why the switching component switches the connection circuit after a collision. Therefore, a spring is provided to separate the plug-in component and the knob. In this way, when the knob is rotated due to a collision, since the plug-in slot does not accommodate the plug-in component, it will not drive the rotating disk to rotate, and the circuit will not be switched;

[0008] When you need to switch the circuit, you only need to press the knob to move it toward the rotating disk until you feel resistance, which means that the plug-in slot has accommodated the plug-in. At this time, turning the knob can drive the rotating disk to move. After the switch is completed, release the knob, and the knob can be moved away from the rotating disk again under the action of the spring, and the plug-in slot and the plug-in can also be separated;

[0009] In addition, when the knob moves away from the rotating disk, the spring can also reset the knob after it is no longer under force;

[0010] The utility model realizes that the knob drives the rotating disk to rotate by arranging the plug-in slot and the plug-in piece, and separates the knob from the rotating disk by a spring, so as to prevent the knob from driving the rotating disk to rotate when it is not necessary, resulting in incorrect circuit connection, mechanical equipment shutdown, and serious losses to production operations, thereby achieving the purpose that the knob can no longer control the switching circuit after the switching connection circuit. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a three-dimensional structural schematic diagram of a circuit switching module;

[0012] Figure 2 It is a schematic diagram of the three-dimensional structure of the inner shell in the utility model;

[0013] Figure 3 It is a side cross-sectional view of the utility model;

[0014] Figure 4 is a front cross-sectional view at the third connecting axis;

[0015] Figure 5 is a front cross-sectional view at the second connecting axis;

[0016] Figure 6 It is a front cross-sectional view at the first connecting axis.

[0017] Reference numerals: 1, outer shell; 2, switching assembly; 3, knob; 4, protective shell;

[0018] 11. second rotating wheel; 12. transmission gear; 13. differential gear; 14. rack; 15. positioning plate; 16. first gear tooth; 17. connecting hole; 18. connecting track;

[0019] 21. Rotating disk; 22. Inner housing; 23. First connecting shaft; 24. Second connecting shaft; 25. Arc extinguishing device; 26. Third connecting shaft; 27. Sliding member;

[0020] 211, connector;

[0021] 231, second gear teeth;

[0022] 241, a first connecting member; 242, a first connecting post;

[0023] 261, connecting post; 262, second connecting piece; 263, third connecting piece; 264, second connecting post; 265, third connecting post;

[0024] 31. Spring; 32. Plug slot;

[0025] 41. First rotating wheel; 42. Connecting rod. DETAILED DESCRIPTION

[0026] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments. The same parts are represented by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "bottom surface" and "top surface", "inside" and "outside" refer to directions toward or away from the geometric center of a specific component, respectively.

[0027] Reference Figure 1-6 As shown, a circuit switching module includes an outer shell 1, a switching assembly 2 is installed in the outer shell 1, the switching assembly 2 includes a rotating disk 21 for controlling circuit switching, a knob 3 is rotatably connected to the shell, the knob 3 is fixedly connected to a spring 31 fixedly connected to the rotating disk 21, a plug-in component 211 is fixedly connected to a section of the rotating disk 21 facing the knob 3, and a plug-in slot 32 for accommodating the plug-in component 211 is provided at one end of the knob 3 facing the rotating disk 21;

[0028] Since the rotating disk 21 in the switching assembly 2 has a certain friction, it is not easy to rotate, and the rotating disk 21 and the plug-in connector 211 are not parts that the user directly contacts, and the rotating disk 21 can be rotated only when it contacts the side of the plug-in connector 211, so the side area of ​​the plug-in connector 211 is set to be smaller to reduce the possibility of the side of the plug-in connector 211 being hit due to a large vibration of the device itself;

[0029] The knob 3 is a part that the user directly contacts, and a plug-in slot 32 is provided to accommodate the plug-in connector 211, so that the knob 3 can play a role in facilitating the rotation of the rotating disk 21, and when the knob 3 is rotated, the inner wall of the plug-in slot 32 can abut against the side of the plug-in connector 211 to drive the rotating disk 21 fixedly connected to the plug-in connector 211 to rotate. In addition, the knob 3 is also the reason why the switching component 2 switches the connection circuit after a collision occurs, so a spring 31 is provided to separate the plug-in connector 211 and the knob 3, so that when the knob 3 is hit and rotates, since the plug-in slot 32 does not accommodate the plug-in connector 211, it will not drive the rotating disk 21 to rotate, and the circuit will not be switched;

[0030] When it is necessary to switch the circuit, the knob 3 only needs to be pressed to move it toward the rotating disk 21. When resistance is felt, it means that the plug slot 32 has accommodated the plug-in component 211. At this time, the knob 3 can be turned to drive the rotating disk 21 to move. After the switching is completed, the knob 3 is released. The knob 3 can be moved away from the rotating disk 21 again under the action of the spring 31, and the plug slot 32 and the plug-in component 211 can also be separated.

[0031] In addition, when the knob 3 moves away from the rotating disk 21 and rotates, the spring 31 can also reset the knob 3 after it is no longer subjected to force;

[0032] The utility model realizes that the knob 3 drives the rotating disk 21 to rotate by arranging the plug-in slot 32 and the plug-in component 211, and separates the knob 3 from the rotating disk 21 by the spring 31, so as to prevent the knob 3 from driving the rotating disk 21 to rotate when it is not necessary, resulting in incorrect circuit connection, mechanical equipment shutdown, and serious losses to production operations, thereby achieving the purpose that the knob 3 can no longer control the switching circuit after the switching connection circuit.

[0033] Further, the switching assembly 2 also includes an inner housing 22 connected to the outer housing 1, the inner housing 22 is rotatably connected to a first connecting shaft 23 fixedly connected to the rotating disk 21 and disposed outside the inner housing 22, the first connecting shaft 23 is fixedly connected to a second connecting shaft 24 rotatably connected to the inner housing 22 and disposed inside the inner housing 22, the second connecting shaft 24 abuts against a first connecting member 241 fixedly connected to the inner housing 22, and the first connecting member 241 is electrically connected to a first terminal post 242 extending out of the inner housing 22 and fixedly connected to the inner housing 22;

[0034] The first connecting member 241 is electrically connected to an arc extinguishing device 25 fixedly connected to the inner housing 22;

[0035] The second connecting shaft 24 is fixedly connected to a third connecting shaft 26 that is fixedly connected to the inner shell 22 and disposed in the inner shell 22. The third connecting shaft 26 is fixedly connected to a connecting post 261. The inner shell 22 is also fixedly connected to a second connecting member 262 and a third connecting member 263 that are both used to abut against the connecting post 261. The second connecting member 262 and the third connecting member 263 are symmetrically arranged on both sides of the second connecting shaft 24. The second connecting member 262 is electrically connected to a second wiring post 264 that extends out of the inner shell 22 and is fixedly connected to the inner shell 22. The third connecting member 263 is electrically connected to a third wiring post 265 that extends out of the inner shell 22 and is fixedly connected to the inner shell 22.

[0036] The outer shell 1, the inner shell 22 and the rotating disk 21 are all made of insulating materials, and the first connecting shaft 23, the second connecting shaft 24, the third connecting shaft 26, the first connecting member 241, the second connecting member 262 and the third connecting member 263 are all made of conductive materials;

[0037] Since the first connecting shaft 23, the second connecting shaft 24 and the third connecting shaft 26 are used as the main components for realizing the switching circuit, they need to be able to conduct electricity, and the first connecting post 242 is used to connect the power supply, and is usually the component through which the current flows first, so multiple first connecting posts 242 are arranged to be connected to one first connecting member 241 to avoid the failure of the entire circuit after a certain first connecting post 242 fails, and the first connecting member 241 can integrate the current passing through multiple first connecting posts 242, and play a role of auxiliary arc extinguishing after being electrically connected to the arc extinguishing device 25;

[0038] The connecting pile 261 connected to the third connecting shaft 26 can connect the circuit after abutting against the second connecting member 262 or the third connecting member 263, and because the first connecting member 241 abuts against the second connecting shaft 24, the connecting pile 261 will not abut against the first connecting member 241 when the rotating disk 21 rotates, thereby preventing internal components from being damaged by excessive rotation.

[0039] Furthermore, the outer shell 1 is also rotatably connected to a protective shell 4, and the protective shell 4 is fixedly connected to a first rotating wheel 41 rotatably connected to the outer shell 1;

[0040] The first rotating wheel 41 is rotatably connected to a connecting rod 42 away from the rotation center, and a second rotating wheel 11 rotatably connected to the connecting rod 42 is rotatably connected in the outer shell 1. The connection position between the second rotating wheel 11 and the connecting rod 42 is the same as the connection position between the first rotating wheel 41 and the connecting rod 42. The second rotating wheel 11 is fixedly connected to a transmission gear 12, and the transmission gear 12 is meshedly connected to a differential gear 13 rotatably connected to the outer shell 1. The differential gear 13 is meshedly connected to a rack 14, and the rack 14 is fixedly connected to a positioning plate 15 slidably connected to the outer shell 1 and arranged toward the first connecting shaft 23. The positioning plate 15 is fixedly connected to a first gear tooth 16 arranged toward the first connecting shaft 23, and the first connecting shaft 23 is fixedly connected to a plurality of second gear teeth 231;

[0041] The protective shell 4 is used to further prevent the knob 3 from being hit. When the protective shell 4 is opened, the protective shell 4 rotates around the rotation center of the first rotating wheel 41, and the first rotating wheel 41 also rotates at this time. Since the connection position between the second rotating wheel 11 and the connecting rod 42 is the same as the connection position between the first rotating wheel 41 and the connecting rod 42, the connecting rod 42 can drive the second rotating wheel 11 to rotate, and the second rotating wheel 11 drives the positioning plate 15 to move upward through the transmission gear 12, the differential gear 13 and the rack 14 in turn. After the protective shell 4 is fully opened, the first gear teeth 16 do not conflict with the second gear teeth 231, and the rotating disk 21 can rotate normally at this time;

[0042] When the protective shell 4 is closed, the first rotating wheel 41 rotates in the opposite direction, so that the dynamic positioning plate 15 moves downward. After the protective shell 4 is completely closed, the first gear teeth 16 conflict with the second gear teeth 231, and the rotating disk 21 cannot rotate normally.

[0043] Furthermore, a plurality of connection holes 17 for the power lines to extend into the interior of the outer shell 1 are provided on the surface of the outer shell 1 .

[0044] Furthermore, a connecting track 18 is fixedly connected to the inner wall of the outer shell 1, and a sliding member 27 slidably connected to the connecting track 18 is fixedly connected to the inner shell 22;

[0045] The cooperation between the sliding member 27 and the connecting track 18 can realize the detachable connection of the inner housing 22 in the outer housing 1, which can facilitate the maintenance of the entire device.

[0046] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A circuit switching module, characterized in that: The invention comprises an outer shell (1), a switching assembly (2) is installed in the outer shell (1), the switching assembly (2) comprises a rotating disk (21) for controlling circuit switching, the shell is rotatably connected to a knob (3), the knob (3) is fixedly connected to a spring (31) fixedly connected to the rotating disk (21), a plug-in component (211) is fixedly connected to a section of the rotating disk (21) facing the knob (3), and a plug-in slot (32) for accommodating the plug-in component (211) is provided at one end of the knob (3) facing the rotating disk (21).

2. A circuit switching module according to claim 1, characterized in that: The switching assembly (2) further comprises an inner housing (22) connected to the outer housing (1); the inner housing (22) is rotatably connected to a first connecting shaft (23) fixedly connected to the rotating disk (21) and arranged outside the inner housing (22); the first connecting shaft (23) is fixedly connected to a second connecting shaft (24) rotatably connected to the inner housing (22) and arranged inside the inner housing (22); the second connecting shaft (24) abuts against a first connecting member (241) fixedly connected to the inner housing (22); the first connecting member (241) is electrically connected to a first terminal post (242) extending out of the inner housing (22) and fixedly connected to the inner housing (22).

3. A circuit switching module according to claim 2, characterized in that: The first connecting member (241) is electrically connected to an arc extinguishing device (25) fixedly connected to the inner housing (22).

4. A circuit switching module according to claim 3, characterized in that: The second connecting shaft (24) is fixedly connected to a third connecting shaft (26) fixedly connected to the inner shell (22) and arranged in the inner shell (22); the third connecting shaft (26) is fixedly connected to a connecting post (261); the inner shell (22) is also fixedly connected to a second connecting member (262) and a third connecting member (263) both used to abut against the connecting post (261); the second connecting member (262) and the third connecting member (263) are symmetrically arranged on both sides of the second connecting shaft (24); the second connecting member (262) is electrically connected to a second connecting post (264) extending out of the inner shell (22) and fixedly connected to the inner shell (22); the third connecting member (263) is electrically connected to a third connecting post (265) extending out of the inner shell (22) and fixedly connected to the inner shell (22).

5. A circuit switching module according to claim 4, characterized in that: The outer shell (1), the inner shell (22) and the rotating disk (21) are all made of insulating materials, and the first connecting shaft (23), the second connecting shaft (24), the third connecting shaft (26), the first connecting member (241), the second connecting member (262) and the third connecting member (263) are all made of conductive materials.

6. A circuit switching module according to claim 2, characterized in that: The outer shell (1) is also rotatably connected to a protective shell (4), and the protective shell (4) is fixedly connected to a first rotating wheel (41) rotatably connected to the outer shell (1).

7. A circuit switching module according to claim 6, characterized in that: The first rotating wheel (41) is rotatably connected to a connecting rod (42) away from the rotation center, and a second rotating wheel (11) rotatably connected to the connecting rod (42) is rotatably connected inside the outer shell (1), and the connection position between the second rotating wheel (11) and the connecting rod (42) is the same as the connection position between the first rotating wheel (41) and the connecting rod (42), and the second rotating wheel (11) is fixedly connected to a transmission gear (12), and the transmission gear (12) is meshedly connected to a differential gear (13) rotatably connected to the outer shell (1), and the differential gear (13) is meshedly connected to a rack (14), and the rack (14) is fixedly connected to a positioning plate (15) slidably connected to the outer shell (1) and arranged toward the first connecting shaft (23), and the positioning plate (15) is fixedly connected to a first gear tooth (16) arranged toward the first connecting shaft (23), and the first connecting shaft (23) is fixedly connected to a plurality of second gear teeth (231).

8. A circuit switching module according to claim 1, characterized in that: The surface of the outer shell (1) is provided with a plurality of connection holes (17) for supplying power lines into the interior of the outer shell (1).

9. A circuit switching module according to claim 2, characterized in that: The inner wall of the outer shell (1) is fixedly connected to a connecting track (18), and the inner shell (22) is fixedly connected to a sliding member (27) that is slidably connected to the connecting track (18).

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