A switch assembly with protective disconnection function

Abstract

The present invention discloses a switch assembly with a protective disconnection function. The key points of its technical solution are that it includes a shell, a charging assembly, a power supply assembly and a linkage assembly; a partition plate is provided in the shell to separate the space in the shell into a charging chamber and an operating chamber, the charging assembly is provided in the charging chamber, and the power supply assembly is provided in the operating chamber; a charging port is provided at one end of the shell, and the charging port is respectively connected to the charging chamber and the operating chamber, and the linkage assembly is provided at the charging port and is linked with the power supply assembly. The switch assembly can disconnect the power supply port of the device during charging to avoid damage caused by multiple power supplies.

Description

Technical Field

[0001] The present invention relates to a switch assembly, and more particularly to a switch assembly with a protection disconnection function. Background Art

[0002] The switch assembly is used as an intermediate hub to connect the charging cable and the device electrical appliance. The switch assembly has multiple connection interfaces, one of which is connected to the charging terminal, and the other connection interface is connected to the device electrical appliance for powering and charging the device electrical appliance.

[0003] However, existing switch components have the following disadvantages: while charging a device with a storage function, it still provides power to the device. However, this operation not only increases the loss of the battery, but also easily causes the temperature of the connection to rise during the charging and discharging process, increasing the risk of short circuit.

[0004] Although existing large equipment has a built-in charging disconnect function, when it comes to small electrical appliances, the design of the disconnect function is reduced due to the internal space and equipment cost of the equipment, making small electrical appliances one of the current frequent fire problems. Summary of the Invention

[0005] In view of the shortcomings of the prior art, the purpose of the present invention is to provide a switch component with a protective disconnection function, which can disconnect the power supply port of the device during charging to avoid damage caused by multiple power supply points.

[0006] To achieve the above-mentioned object, the present invention provides the following technical solutions: a switch assembly with a protective disconnection function, comprising a housing, a charging assembly, a power supply assembly, and a linkage assembly;

[0007] A partition plate is provided in the shell for dividing the space in the shell into a charging chamber and an operating chamber, the charging assembly is provided in the charging chamber, and the power supply assembly is provided in the operating chamber;

[0008] A charging port is provided at one end of the shell, and the charging port is respectively connected to the charging cavity and the operating cavity. The linkage component is provided at the charging port and is linked with the power supply component.

[0009] In summary, the present invention has the following beneficial effects: the opening and closing state of the power supply component is controlled by the linkage component. When the charging male end is inserted into the shell, the linkage component is pushed by the charging male end, so that the power supply component is changed from a closed state to an open and closed state, thereby achieving the effect of cutting off the power to the external electrical appliance.

[0010] After the charging male terminal is unplugged, the linkage component and the charging component's own structure change from an open state to a closed state, enabling the external circuit to be energized, thereby achieving charging protection for the electrical appliance during charging and avoiding circuit accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 This is a schematic diagram of the three-dimensional structure of the switch component when it is not charged;

[0012] Figure 2 A schematic diagram of the three-dimensional structure of the switch assembly when charging;

[0013] Figure 3 It is a schematic diagram of the three-dimensional structure of the first embodiment of the linkage assembly.

[0014] Figure markings: 1. Shell; 11. Partition plate; 12. Charging chamber; 13. Operating chamber; 14. Guide groove; 15. Travel space; 16. Limiting slope; 17. Limiting space; 2. Charging assembly; 21. First charging piece; 22. Second charging piece; 23. Charging female end; 3. Power supply assembly; 31. First power supply piece; 311. Rotating groove; 32. Second power supply piece; 33. Moving contact; 34. Static contact; 35. Movable rod; 351. First plate; 352. Second plate; 4. Linkage assembly; 41. Rotating rod; 42. Pushing block; 44. Travel block; 5. Charging port; 6. Pulling member; 7. Drag member; 71. Rotating part; 72. Pushing part; 73. Linkage part; 8. Guide groove; 81. Pulling gap; 9. Sliding platform; 91. Guide slope; 10. Charging male end. DETAILED DESCRIPTION

[0015] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments. Identical components are denoted by the same reference numerals. It should be noted that the terms "front," "rear," "left," "right," "upper," and "lower" used in the following description refer to directions in the accompanying drawings, and the terms "bottom," "top," "inner," and "outer" refer to directions toward or away from the geometric center of a particular component, respectively.

[0016] Reference Figures 1 to 3 As shown, in order to achieve the above purpose, the present invention provides the following technical solutions: a switch assembly with a protective disconnection function, comprising a housing 1, a charging assembly 2, a power supply assembly 3 and a linkage assembly 4;

[0017] A partition plate 11 is provided in the housing 1 for dividing the space in the housing 1 into a charging chamber 12 and an operating chamber 13. The charging assembly 2 is provided in the charging chamber 12, and the power supply assembly 3 is provided in the operating chamber 13.

[0018] A charging port 5 is provided at one end of the shell 1 , and the charging port 5 is respectively connected to the charging cavity 12 and the operating cavity 13 . The linkage component 4 is provided at the charging port 5 and is linked with the power supply component 3 .

[0019] The design of the present invention controls the opening and closing state of the power supply component 3 through the linkage component 4. When the charging male terminal 10 is inserted into the shell 1, the charging male terminal 10 pushes the linkage component 4, so that the power supply component 3 is changed from the closed state to the open state, thereby achieving the effect of cutting off the power to the external electrical appliance.

[0020] After the charging male terminal 10 is pulled out, the linkage component 4 and the charging component 2 are connected to the closed state, and the external circuit is energized, thereby achieving charging protection for the electrical appliance during charging and avoiding circuit accidents.

[0021] The charging assembly 2 includes a first charging piece 21, a second charging piece 22 and a charging female end 23. The first charging piece 21 and the second charging piece 22 are respectively connected to the charging female end 23. A charging interface is provided on the side of the charging female end 23 facing the charging port 5.

[0022] The charging female end 23 includes a female end shell and a female end spring. There are multiple female end springs, which are arranged around the inside of the female end shell, so as to ensure that when the charging male end 10 is inserted, it can be connected with the female end shell through the female end spring, and then connected with the first charging piece 21 and the second charging piece 22 through the female end shell.

[0023] The power supply assembly 3 includes a first power supply sheet 31, a second power supply sheet 32, a moving contact 33, a static contact 34 and a movable rod 35. The static contact 34 is provided on the second power supply sheet 32, and the moving contact 33 is provided on the movable rod 35.

[0024] The movable rod 35 is connected to the first power supply sheet 31 .

[0025] The first power supply plate 31 is provided with a rotation groove 311, and the movable rod 35 is rotatably connected to the rotation groove 311;

[0026] One end of the movable rod 35 away from the movable contact 33 is linked to the linkage assembly 4 .

[0027] like Figure 1 and Figure 2 As shown, the middle portion of the movable rod 35 is rotatably disposed in the rotation groove 311. When the linkage assembly 4 applies a downward force to the movable rod 35, the movable contact 33 moves upward, thereby achieving separation of the movable contact 33 from the static contact 34.

[0028] When the linkage assembly 4 is reset, the force acting on the movable rod 35 is released. At this time, since the gravity at one end of the movable contact 33 is greater than the gravity at the other end, the movable contact 33 moves downward, achieving the fit between the movable contact 33 and the static contact 34.

[0029] The first power supply sheet 31 can be used as a fulcrum to ensure that the movable rod 35 maintains contact with the first power supply sheet 31 and ensure the connectivity of the circuit.

[0030] The partition plate 11 includes a limiting inclined surface 16 , and a limiting space 17 is formed between the limiting inclined surface 16 and the first power supply plate 31 ;

[0031] The movable rod 35 includes a first plate 351 and a second plate 352. One end of the first plate 351 is connected to the linkage assembly 4, and the other end is connected to the second plate 352. The end of the second plate 352 away from the first plate 351 is for mounting the movable contact 33.

[0032] The rotation groove 311 allows the second plate 352 to pass through and rotate. The width of the first plate 351 is greater than the width of the rotation groove 311 .

[0033] The design of the first plate 351 and the second plate 352 is that the width of the first plate 351 is greater than the width of the second plate 352. The second plate 352 can pass through the rotation groove 311, while the first plate 351 cannot pass through the rotation groove 311, thereby limiting the movable rod 35 along the rotation groove 311. Figure 1 Move right.

[0034] In addition, the design of the limiting slope 16 limits the movable rod 35 from moving along the Figure 1 The movable rod 35 moves to the left, thereby stably limiting the left and right movement stroke of the movable rod 35, and can still maintain the abutment between the movable contact 33 and the static contact 34 within the feasible movement range of the movable rod 35, thereby ensuring the connectivity of the circuit.

[0035] Furthermore, even if the movable rod 35 moves left and right, it will not affect the control of the upward and downward movement of the movable contact 33.

[0036] Furthermore, the first plate 351 is arranged in an "L" shape and includes an inclined plate, and a plane coordinate system is constructed with the rotation groove 311 as a plane point, whereby the inclined plate forms an angle α with the plane of the rotation groove 311, and the limiting inclined surface 16 forms an angle β with the plane of the rotation groove 311. The angle α is smaller than the angle β, so that the movable rod 35 can be rotated through the linkage component 4 at any position within the movable range, and the rotation is not hindered.

[0037] The linkage assembly 4 includes a rotating rod 41 and a pushing block 42 . One end of the rotating rod 41 is connected to the movable rod 35 , and the other end is connected to the pushing block 42 .

[0038] As an alternative, both ends of the rotating rod 41 are provided with a slot, and one end of the movable rod 35 is provided with a block, which is embedded in the slot. The block is made of an elastic material. The design of the slot and block allows the block to be locked into the slot, thereby strengthening the connection between the movable rod 35 and the rotating rod 41.

[0039] As a second option, Figure 3 As shown, one end of the movable rod 35 only abuts against the bottom of one end of the rotating rod 41. When the rotating rod 41 rotates clockwise, the rotating rod 41 pushes the movable rod 35 downward, causing the end of the movable contact 33 to move upward, thereby disconnecting the circuit.

[0040] When the rotating rod 41 rotates counterclockwise, since the overall weight of the second plate 352 is greater than the overall weight of the first plate 351 , the end of the moving contact 33 moves downward, thereby connecting the circuit.

[0041] The housing 1 is provided with a guide groove 14, which extends along the height direction of the housing 1;

[0042] The push block 42 is slidably connected to the guide groove 14. A travel space 15 is formed between the partition plate 11 and the upper end surface of the housing 1. The rotating rod 41 is disposed in the travel space 15. The push block 42 is extended toward the travel space 15 to form a travel block 44.

[0043] When the push block 42 moves downward along the guide groove 14, the travel block 44 abuts against the partition plate 11 to limit the position;

[0044] When the pushing block 42 moves downward along the guide slot 14 , the moving contact 33 and the static contact 34 abut against each other to limit their positions.

[0045] like Figure 1 As shown, when the push block 42 moves downward along the guide groove 14 under the action of gravity (a torsion spring can also be designed at the position of the push block 42 or the rotating rod 41, and a torsion spring can also be designed at the position of the movable rod 35, so that it can automatically reset when there is no force), the push block 42 drives the rotating rod 41 to rotate counterclockwise. When the charging male terminal 10 is inserted, the push block 42 is pushed upward, thereby driving the rotating rod 41 to rotate clockwise.

[0046] In addition, the design of the travel space 15, the partition plate 11 and the travel block 44 can reasonably utilize the internal space. The partition plate 11 is used to limit the travel block 44 during the up and down movement, thereby improving space utilization.

[0047] A slot is formed between the upper and lower stroke blocks 44 for inserting and installing one end of the rotating rod 41 .

[0048] Furthermore, Figure 3As shown, the lower end surface of the push block 42 is designed to be inclined, so that the push block 42 can be pushed upward when the charging male terminal 10 is inserted.

[0049] The above are merely preferred embodiments of the present invention. The scope of protection of the present invention is not limited to the above embodiments. All technical solutions based on the principles of the present invention are within the scope of protection of the present invention. It should be noted that improvements and modifications that do not depart from the principles of the present invention are within the scope of protection of the present invention.

Claims

1. A switch assembly with a protective disconnect function, characterized by: It comprises a housing (1), a charging component (2), a power supply component (3) and a linkage component (4); A partition plate (11) is provided in the housing (1) for dividing the space in the housing (1) into a charging chamber (12) and an operating chamber (13); the charging component (2) is provided in the charging chamber (12), and the power supply component (3) is provided in the operating chamber (13); A charging port (5) is provided at one end of the housing (1), the charging port (5) being connected to the charging chamber (12) and the operating chamber (13) respectively; the linkage assembly (4) is provided at the charging port (5) and is linked to the power supply assembly (3); The power supply assembly (3) includes a first power supply sheet (31), a second power supply sheet (32), a movable contact (33), a static contact (34) and a movable rod (35); the static contact (34) is arranged on the second power supply sheet (32), and the movable contact (33) is arranged on the movable rod (35); The movable rod (35) is connected to the first power supply sheet (31); The first power supply sheet (31) is provided with a rotation groove (311), and the movable rod (35) is rotatably connected to the rotation groove (311); One end of the movable rod (35) away from the movable contact (33) is linked to the linkage assembly (4); The linkage assembly (4) includes a rotating rod (41) and a pushing block (42), one end of the rotating rod (41) is connected to the movable rod (35), and the other end is connected to the pushing block (42); The housing (1) is provided with a guide groove (14), and the guide groove (14) is extended along the height direction of the housing (1); The pushing block (42) is slidably connected in the guide groove (14), and the pushing block (42) moves upward along the guide groove (14) as the charging male terminal (10) is inserted into the housing (1), and moves downward along the guide groove (14) as the charging male terminal (10) is pulled out. A travel space (15) is formed between the partition plate (11) and the upper end surface of the housing (1). The rotating rod (41) is arranged in the travel space (15), and the pushing block (42) is extended in the direction of the travel space (15) and provided with a travel block (44); When the push block (42) moves downward along the guide groove (14), the travel block (44) contacts the partition plate (11) to limit the position; When the pushing block (42) moves downward along the guide groove (14), the moving contact (33) and the static contact (34) abut against each other to limit the position.

2. A switch assembly with a protective disconnection function according to claim 1, characterized in that: The charging assembly (2) comprises a first charging piece (21), a second charging piece (22) and a charging female end (23); the first charging piece (21) and the second charging piece (22) are respectively connected to the charging female end (23); and a charging interface is provided on a side of the charging female end (23) facing the charging port (5).

3. The switch assembly with a protective disconnection function according to claim 1, characterized in that: Both ends of the rotating rod (41) are provided with embedding grooves, and one end of the movable rod (35) is provided with a clamping block, which is embedded in the embedding groove and is made of elastic material.

4. The switch assembly with a protective disconnection function according to claim 1, characterized in that: The partition plate (11) includes a limiting inclined surface (16), and a limiting space (17) is formed between the limiting inclined surface (16) and the first power supply plate (31); The movable rod (35) includes a first plate (351) and a second plate (352), one end of the first plate (351) is connected to the linkage assembly (4), and the other end is connected to the second plate (352), and the end of the second plate (352) away from the first plate (351) is provided for mounting the movable contact (33); The rotating groove (311) allows the second plate (352) to pass through and rotate, and the width of the first plate (351) is greater than the width of the rotating groove (311).

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