Padlock device and change-over switch
The motor-driven padlock device solves the problem of inconvenient operation of existing changeover switches, realizes efficient and safe remote padlock control, and improves the reliability and intelligence of the changeover switch.
Patent Information
- Application Number
- CN202520323956.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-26
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-02-26
AI Technical Summary
The existing changeover switch padlock device is a manual mechanical type, which is inconvenient to operate, inefficient, and unable to detect the padlock status.
The padlock device, driven by a motor, locks or unlocks the locking and connecting parts through a driving component. Combined with a signal triggering device to provide feedback on the locking status, it enables remote operation and intelligent control.
It improves the reliability and safety of the transfer switch, reduces operating costs, and enables convenient and intelligent remote operation.
Smart Images

Figure CN223956472U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to electrical equipment technical field, specifically, a padlock device and change over switch are provided. BACKGROUND
[0002] The change over switch is very key in the power supply system, which is mainly used to ensure that when the main power supply fails, it can be automatically or manually switched to the standby power supply, thereby avoiding the load power failure caused by the power failure.
[0003] In order to ensure the stable operation of the change over switch, a padlock device is usually arranged in the switch. However, the padlock device of the current switch product is usually a manual mechanical padlock structure, so the operator needs to manually operate the switch product, which is not only inconvenient to operate, but also low in operation efficiency. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a padlock device and change over switch, which is stable in operation, safe and convenient in operation, and more intelligent.
[0005] The embodiment of the utility model is implemented as follows:
[0006] In the first aspect, the utility model provides a padlock device, which comprises:
[0007] A mounting member;
[0008] A connecting member, which is arranged on the mounting member and is used to be connected with a moving contact;
[0009] A locking member, which is movably arranged on the mounting member;
[0010] A driving member, which is arranged on the mounting member and is in transmission connection with the locking member, and is used to drive the locking member to be locked or unlocked with the connecting member.
[0011] In the optional embodiment, the driving member is a motor and is provided with an output shaft, the locking member is provided with a rack part, the output shaft is in transmission cooperation with the rack part, and is used to drive the locking member to move in a straight line.
[0012] In the optional embodiment, the padlock device further comprises a signal triggering device, the locking member is provided with a signal triggering part, the signal triggering device is arranged on the mounting member and is located on the movement path of the signal triggering part, and the signal triggering part is used to trigger the signal triggering device in the state that the locking member is locked or unlocked with the connecting member.
[0013] In the optional embodiment, the padlock device further comprises a transmission wheel, the output shaft is engaged with the transmission wheel, and the transmission wheel is engaged with the rack part.
[0014] In an optional embodiment, the transmission wheel comprises coaxially arranged first and second gear portions, the radius of the first gear portion is greater than that of the second gear portion, the first gear portion is engaged with the output shaft, and the second gear portion is engaged with the rack portion.
[0015] In an optional embodiment, the signal triggering device is provided with a contact piece, the signal triggering portion is protruded from the side wall of the locking member, and the contact piece is obliquely arranged on the movement path of the locking member; the signal triggering portion is used to abut against the contact piece when the locking member is locked or unlocked with the connecting member.
[0016] In an optional embodiment, the connecting member is provided with a first locking portion, and the locking member is provided with a second locking portion; the first and second locking portions are clamped and matched.
[0017] In an optional embodiment, the first locking portion is provided with a first abutting surface, the second locking portion is in the form of a groove, the two side walls of the groove are provided with second abutting surfaces, the first and second abutting surfaces are correspondingly arranged, the first abutting surface is used to abut against the second abutting surface when the first locking portion is inserted into the first locking portion, and the first abutting surface is used to limit the movement of the connecting member.
[0018] In an optional embodiment, the connecting member is rotatably arranged on the mounting member, and the two ends of the connecting member are respectively provided with a first connecting portion and a second connecting portion; the first connecting portion is used to detachably connect with a driving mechanism, and the second connecting portion is used to detachably connect with the movable contact, so as to drive the movable contact to close or open under the driving of the driving mechanism.
[0019] In a second aspect, the utility model provides a change-over switch which comprises the padlock device according to any one of the preceding embodiments.
[0020] The padlock device and the change-over switch have the following beneficial effects: the locking member and the connecting member are locked or unlocked by controlling the driving member to start, thereby realizing the locking or unlocking of the connecting member and the movable contact, and further realizing the padlocking or unlocking of the change-over switch, so that the reliability and safety of the change-over switch are improved; it can be seen that the padlock device provided by the utility model adopts the electric padlocking mode of the driving member, which not only has low operation cost, but also can realize remote padlocking operation, and is more convenient, faster and more intelligent. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments. It should be understood that the following drawings only show some embodiments of the present application, and therefore should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained without creative labor on the premise of the drawings.
[0022] Figure 1 The conversion switch structure schematic diagram provided by the embodiments of the present application;
[0023] Figure 2 The conversion switch structure schematic diagram provided by the embodiments of the present application;
[0024] Figure 3 The padlock device structure schematic diagram provided by the embodiments of the present application;
[0025] Figure 4 The padlock device structure schematic diagram provided by the embodiments of the present application;
[0026] Figure 5 The padlock device structure schematic diagram provided by the embodiments of the present application;
[0027] Figure 6 The connecting piece structure schematic diagram provided by the embodiments of the present application;
[0028] Figure 7 The locking piece structure schematic diagram provided by the embodiments of the present application.
[0029] Icon: 1 - conversion switch; 10 - padlock device; 100 - mounting piece; 200 - connecting piece; 210 - first locking part; 211 - first abutting surface; 220 - first connecting part; 230 - second connecting part; 300 - locking piece; 310 - rack part; 320 - signal triggering part; 330 - second locking part; 331 - second abutting surface; 400 - driving piece; 410 - output shaft; 500 - transmission wheel; 510 - first gear part; 520 - second gear part; 600 - signal triggering device; 610 - contact piece; 11 - movable contact. DETAILED DESCRIPTION
[0030] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the following will combine the drawings in the embodiments of the present application to clearly and completely describe the technical scheme in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings can be arranged and designed in various different configurations.
[0031] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed application, but merely represents the preferred application of the application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0032] It should be noted that: similar signs and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.
[0033] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the present application is used, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", "third" and the like are only used for differentiation and cannot be understood as indicating or implying relative importance.
[0034] In addition, the terms "horizontal", "vertical" and the like do not mean that the components must be absolutely horizontal or hanging, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.
[0035] In the description of the present application, it should also be noted that, unless otherwise explicitly specified and limited, the terms "provided", "mounted", "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0036] The transfer switch plays a very key role in the power supply system, which is mainly used to ensure that when the main power supply fails, it can automatically or manually switch to the standby power supply, so as to avoid power failure caused by power failure.
[0037] In order to ensure the stable operation of the switch, a lock device is usually arranged in the switch. However, the lock device of the current switch product is usually a manual mechanical lock structure, so that the operator needs to manually operate the switch product, which is not only inconvenient to operate, but also low in operation efficiency. In addition, the existing lock device cannot detect the lock state inside.
[0038] Based on the problems in the prior art, please refer to Figure 1 The utility model discloses a switch, which comprises a lock device, is suitable for dual power supply and related electrical equipment, is stable, safe and convenient to operate, and is more intelligent.
[0039] Please continue to refer to Figures 2 to 5 The lock device comprises a mounting piece 100, a connecting piece 200, a locking piece 300 and a driving piece 400.
[0040] The connecting piece 200, the locking piece 300 and the driving piece 400 are arranged in the mounting piece 100, wherein the locking piece 300 is movably arranged in the mounting piece 100; the connecting piece 200 is used for being connected with the movable contact 11; the driving piece 400 is in transmission connection with the locking piece 300; and the driving piece 400 is used for driving the locking piece 300 to be locked or unlocked with the connecting piece 200.
[0041] In the embodiment, the driving piece 400 can be an electric device such as a motor or an air cylinder, so that the locking piece 300 and the connecting piece 200 can be locked or unlocked by starting the driving piece 400 to drive the locking piece 300 and the connecting piece 200, so as to improve the reliability and safety of the switch.
[0042] Further, the driving piece 400 is a motor and is provided with an output shaft 410; the locking piece 300 is provided with a rack portion 310; and the output shaft 410 is in transmission cooperation with the rack portion 310 and is used for driving the locking piece 300 to move in a straight line direction.
[0043] In the embodiment, the output shaft 410 of the driving piece 400 is rotated by starting the driving piece 400, and the rack portion 310 of the locking piece 300 is driven to move by the output shaft 410, so as to drive the locking piece 300 to move in a straight line direction towards or away from the connecting piece 200, so as to realize the locking or unlocking of the locking piece 300 and the connecting piece 200.
[0044] It should be noted that in other embodiments of the present application, the driving member 400 can also be a cylinder or other electric device, as long as it can drive the locking member 300 to move and lock or unlock with the connecting member 200, which is not limited here.
[0045] Further, in order to make the driving member 400 more stably drive the locking member 300 to move, the padlock device 10 further comprises a transmission wheel 500 rotatably arranged on the mounting member 100, the output shaft 410 is engaged with the transmission wheel 500, and the transmission wheel 500 is engaged with the rack portion 310.
[0046] Therefore, when the driving member 400 is started, the output shaft 410 of the driving member 400 drives the transmission wheel 500 to rotate, and the transmission wheel 500 drives the rack portion 310 to move, thereby driving the locking member 300 to move in a straight line direction towards or away from the connecting member 200, so as to realize the locking member 300 and the connecting member 200 lock or unlock.
[0047] Further, the transmission wheel 500 comprises coaxially arranged first gear portion 510 and second gear portion 520, the radius of the first gear portion 510 is greater than the radius of the second gear portion 520, the first gear portion 510 is engaged with the output shaft 410, and the second gear portion 520 is engaged with the rack portion 310.
[0048] In this embodiment, by arranging coaxial first gear portion 510 and second gear portion 520 on the transmission wheel 500, and making the radius of the first gear portion 510 engaged with the output shaft 410 greater than the radius of the second gear portion 520 engaged with the rack portion 310, the movement speed of the locking member 300 is improved, and the locking member 300 quickly completes the padlock action.
[0049] Further, the padlock device 10 further comprises a signal triggering device 600, the locking member 300 is provided with a signal triggering portion 320, the signal triggering device 600 is arranged on the mounting member 100 and located on the movement path of the signal triggering portion 320, and the signal triggering portion 320 is used to trigger the signal triggering device 600 when the locking member 300 is locked or unlocked with the connecting member 200.
[0050] In this embodiment, by arranging the signal triggering device 600 in the mounting member 100, and triggering the signal triggering device 600 by the driving member 400 in the process of driving the locking member 300 to move and lock or unlock with the connecting member 200, the locking state of the padlock device 10 is sent to the outside in the form of electrical signal, so as to accurately feedback the locking state of the locking device to the operator.
[0051] Further, the signal triggering device 600 is provided with a contact piece 610, and the signal triggering portion 320 is protruded from the side wall of the locking piece 300, and the contact piece 610 is obliquely arranged on the movement path of the locking piece 300, and the signal triggering portion 320 is used to abut against the contact piece 610 when the locking piece 300 is locked or unlocked with the connecting piece 200.
[0052] In the embodiment, the signal triggering portion 320 is protruded from the side of the locking piece 300 away from the rack portion 310, that is, the signal triggering portion 320 is arranged on the right side wall of the locking piece 300. Figure 4 and Figure 5 As shown, the rack portion 310 is arranged on the left side wall of the locking piece 300, and the signal triggering portion 320 is arranged on the right side wall of the locking piece 300. The locking piece 300 is driven by the driving piece 400 and the transmission wheel 500 to move along the vertical direction close to or away from the connecting piece 200, so that the signal triggering portion 320 touches the contact piece 610 when the locking piece 300 and the connecting piece 200 are in the locked or unlocked state, thereby triggering the signal triggering device 600.
[0053] Optionally, as shown in Figure 4 and Figure 5 In the embodiment, the signal triggering portion 320 touches the contact piece 610 when the locking piece 300 and the connecting piece 200 are in the unlocked state, thereby triggering the signal triggering device 600. Of course, in other embodiments of the utility model, the signal triggering portion 320 can also touch the contact piece 610 when the locking piece 300 and the connecting piece 200 are in the locked state, which is not limited here.
[0054] Further, please continue to refer to Figure 6 and Figure 7 The connecting piece 200 is provided with a first locking portion 210, and the locking piece 300 is provided with a second locking portion 330, and the first locking portion 210 and the second locking portion 330 are clamped and matched.
[0055] In the embodiment, the first locking portion 210 and the second locking portion 330 are clamped and matched, so that the locking piece 300 moves towards the connecting piece 200 and locks the connecting piece 200 after contacting.
[0056] In detail, the first locking portion 210 is provided with a first abutting surface 211, and the second locking portion 330 is in the form of a groove, and the two side walls of the groove are provided with a second abutting surface 331, and the first abutting surface 211 and the second abutting surface 331 are correspondingly and parallelly arranged, and the first abutting surface 211 is used to abut against the second abutting surface 331 when the first locking portion 210 is inserted into the first locking portion 210, so as to limit the movement of the connecting piece 200.
[0057] In the embodiment, the first locking portion 210 is provided with two parallel first abutting surfaces 211, two second abutting surfaces 331 of the second locking portion 330 are also arranged in parallel, and the interval of the two first abutting surfaces 211 is slightly smaller than the interval of the two second abutting surfaces 331, so that the first locking portion 210 can be embedded into the groove of the second locking portion 330, and the two first abutting surfaces 211 correspond to the two second abutting surfaces 331 respectively, thereby limiting the rotation of the connecting piece 200 by the abutment of the two second abutting surfaces 331 and the two first abutting surfaces 211, so as to realize the locking of the connecting piece 200.
[0058] In detail, the connecting piece 200 is rotatably arranged on the mounting piece 100, and the two axial ends of the connecting piece 200 are respectively provided with a first connecting portion 220 and a second connecting portion 230, the first connecting portion 220 is used for detachable connection with the driving mechanism, and the second connecting portion 230 is used for detachable connection with the movable contact 11, so as to drive the movable contact 11 to close or open under the driving of the driving mechanism, and the splicing or disassembly is facilitated according to the requirement, so as to facilitate the modularization of the transfer switch.
[0059] In summary, the utility model provides a padlock device 10 and transfer switch 1, through control driving piece 400 start to drive locking piece 300 and connecting piece 200 lock and unlock, thus realize connecting piece 200 and movable contact 11 lock or unlock, thereby improve the reliability and security of transfer switch 1, thus can see, the padlock device 10 provided by the utility model adopts the electric padlock mode of driving piece 400, not only low operating cost, but also can realize remote padlock operation, more convenient and fast and more intelligent.
[0060] The above only describes the preferred embodiments of the utility model and is not used to limit the utility model, and for those skilled in the art, the utility model can have various changes and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A padlock device, characterized in that, include: Mounting component (100); A connector (200) is disposed on the mounting member (100) and is used to connect with the moving contact (11); A locking element (300) is movably disposed on the mounting element (100); A driving member (400) is disposed on the mounting member (100) and is connected to the locking member (300) in a transmission manner. The driving member (400) is used to drive the locking member (300) to lock or unlock with the connecting member (200).
2. The padlock device according to claim 1, characterized in that, The driving component (400) is a motor and is provided with an output shaft (410). The locking component (300) is provided with a rack portion (310). The output shaft (410) and the rack portion (310) are in a transmission cooperation to drive the locking component (300) to move in a straight line.
3. The padlock device according to claim 1, characterized in that, The padlock device further includes a signal triggering device (600). The locking member (300) is provided with a signal triggering part (320). The signal triggering device (600) is disposed on the mounting member (100) and located on the movement path of the signal triggering part (320). The signal triggering part (320) is used to trigger the signal triggering device (600) when the locking member (300) is locked or unlocked with the connecting member (200).
4. The padlock device according to claim 2, characterized in that, The padlock device further includes a drive wheel (500), the output shaft (410) meshes with the drive wheel (500), and the drive wheel (500) meshes with the rack portion (310).
5. The padlock device according to claim 4, characterized in that, The transmission wheel (500) includes a first gear section (510) and a second gear section (520) arranged coaxially. The radius of the first gear section (510) is larger than the radius of the second gear section (520). The first gear section (510) meshes with the output shaft (410), and the second gear section (520) meshes with the rack section (310).
6. The padlock device according to claim 3, characterized in that, The signal triggering device (600) is provided with a contact piece (610), and the signal triggering part (320) protrudes from the side wall of the locking member (300). The contact piece (610) is inclinedly arranged in the movement path of the locking member (300). The signal triggering part (320) is used to abut against the contact piece (610) when the locking member (300) is locked or unlocked with the connecting member (200).
7. The padlock device according to claim 1, characterized in that, The connector (200) is provided with a first locking part (210), and the locking part (300) is provided with a second locking part (330). The first locking part (210) and the second locking part (330) are engaged.
8. The padlock device according to claim 7, characterized in that, The first locking part (210) is provided with a first abutting surface (211), and the second locking part (330) is in the shape of a groove. The two side walls of the groove are provided with second abutting surfaces (331). The first abutting surface (211) is provided in correspondence with the second abutting surface (331). When the first locking part (210) is embedded in the first locking part (210), the first abutting surface (211) is used to abut against the second abutting surface (331) to restrict the movement of the connector (200).
9. The padlock device according to claim 1, characterized in that, The connector (200) is rotatably disposed on the mounting component (100). The two ends of the connector (200) are respectively provided with a first connecting part (220) and a second connecting part (230). The first connecting part (220) is used to be detachably connected to the drive mechanism, and the second connecting part (230) is used to be detachably connected to the moving contact (11) so as to drive the moving contact (11) to close or open under the drive of the drive mechanism.
10. A changeover switch (1), characterized in that, Includes the padlock device as described in any one of claims 1-9.