Locking piece structure

Abstract

The utility model provides a locking piece structure which is provided with a panel, a locking plate and a plurality of self-turning screws, the panel comprises a panel opening and a plurality of riveting nuts, and the panel opening is used for being communicated with a component to be locked on the back face of the panel; the locking piece is arranged on the front face of the panel and comprises a first folding face, a second folding face and a third folding face, the first folding face is opposite to an opening of the panel, the first folding face is used as a limiting component of a component to be locked, the first folding face is perpendicularly connected with the second folding face, the second folding face is perpendicularly connected with the third folding face, and the third folding face is perpendicularly connected with the panel. The third folding face comprises a limiting notch, and the limiting notch is formed in the middle of the third folding face. The self-turning screws are used as connecting parts of the third folding face and the panel, all the self-turning screws penetrate through the limiting notches and are embedded into the corresponding riveting nuts, then the internal structure of the locking piece can be simplified, the locking piece can be widely applied to control panels of various kinds of electrical equipment, and the production cost of power system equipment is reduced.

Description

Technical Field

[0001] The utility model relates to the field of power system equipment, in particular to a lock structure. Background Art

[0002] In the design of modern power system equipment, electrical interlocking and mechanical interlocking of preset switches are important measures to ensure safe use of electricity. Mechanical interlocking is to prevent multiple internal electrical devices from being activated at the same time through physical mechanical components (such as levers, locks, etc.), thereby effectively avoiding electrical failures or dangers caused by improper interaction between devices.

[0003] In existing mechanical interlocking, different lock structures are often required to be customized according to different electrical equipment to meet the mechanical interlocking requirements. In addition, the customized lock structure often has a complex internal structure and cannot be reused for other electrical equipment, thereby increasing the production cost of the power system equipment. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a lock structure that can simplify the internal structure of the lock and can be widely used on control panels of various electrical equipment, thereby improving the versatility of the lock structure and reducing the production cost of power system equipment.

[0005] To achieve the above objectives, the present application provides a lock structure, including:

[0006] The panel includes a panel opening and a plurality of rivet nuts, wherein the panel opening is used to communicate with a component to be locked on the back side of the panel;

[0007] A locking piece, which is arranged on the front side of the panel, and includes a first folding surface, a second folding surface and a third folding surface. The first folding surface is opposite to the panel opening, and the first folding surface is used as a limiting component of the component to be locked. The first folding surface is vertically connected to the second folding surface, the second folding surface is vertically connected to the third folding surface, and the third folding surface is vertically connected to the panel. The third folding surface includes a limiting notch, and the limiting notch is arranged in the middle of the third folding surface;

[0008] A plurality of self-tightening screws are used as connecting components between the third folding surface and the panel. Each self-tightening screw passes through the limiting slot and is embedded in the corresponding rivet nut.

[0009] Furthermore, in some embodiments, the folded edge of the locking plate forms an inverted S-shaped structure based on the first folded surface, the second folded surface and the third folded surface.

[0010] Further, in some embodiments, the number of the panel openings is one or more.

[0011] Furthermore, in some embodiments, the number of the limiting notches is one or more.

[0012] Furthermore, in some embodiments, the limiting notch is an elongated notch.

[0013] Furthermore, in some embodiments, a long side of the limiting notch and a side of the panel are parallel to or perpendicular to each other.

[0014] Furthermore, in some embodiments, the panel further includes a plurality of first panel through holes, and the first panel through holes are arranged directly below the panel opening.

[0015] Furthermore, in some embodiments, the locking structure also includes an identification frame, which is arranged on the front side of the panel. The identification frame is used to indicate the relative position of the panel opening. The identification frame includes a plurality of rivets, which are used as fixing parts between the identification frame and the panel. The rivets are located on the back side of the identification frame. The rivets are embedded in the first panel through holes and connected to the panel.

[0016] Furthermore, in some embodiments, the number of identification frames is one or more.

[0017] Furthermore, in some embodiments, the panel further includes a plurality of second panel through holes, which are used as a connection point between the locking structure and the external structure, and the plurality of second panel through holes are respectively arranged on both sides of the panel.

[0018] A lock structure according to an embodiment of the utility model has at least the following beneficial effects: a panel, a locking plate and a plurality of self-tightening screws are provided, wherein the panel includes a panel opening and a plurality of rivet nuts, the panel opening is used to connect the component to be locked on the back of the panel; the locking plate is provided on the front of the panel, the locking plate includes a first folding surface, a second folding surface and a third folding surface, the first folding surface is opposite to the panel opening, the first folding surface is used as a limiting component of the component to be locked, the first folding surface is vertically connected to the second folding surface, the second folding surface is vertically connected to the third folding surface, the third folding surface is vertically connected to the panel, the third folding surface includes a limiting slot, the limiting slot is provided in the middle of the third folding surface; the self-tightening screws are used as a connecting component between the third folding surface and the panel, each self-tightening screw passes through the limiting slot and is embedded in the corresponding rivet nut, thereby simplifying the internal structure of the lock, and can be widely used in control panels of various electrical equipment, thereby improving the versatility of the lock structure and reducing the production cost of power system equipment.

[0019] Other features and advantages of the present invention will be described in the following description and will become apparent in part from the description. The purpose and other advantages of the present invention can be realized and obtained through the structures particularly pointed out in the description and the drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the technical solution of the utility model and constitute a part of the specification. Together with the embodiments of the utility model, they are used to explain the technical solution of the utility model and do not constitute a limitation on the technical solution of the utility model.

[0021] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0022] Figure 1 It is an overall exploded view of the lock structure provided by some embodiments of the utility model;

[0023] Figure 2 It is a connection structure diagram between the locking structure and the components to be locked provided in some embodiments of the utility model;

[0024] Figure 3 It is an overall structural diagram of the lock structure provided by other embodiments of the utility model;

[0025] Figure 4 It is a structural diagram of a power system cabinet provided by some embodiments of the utility model;

[0026] Figure 5 It is a partial exploded view of a power system cabinet provided in some embodiments of the utility model.

[0027] Figure markings: panel 1100, panel opening 1110, rivet nut 1120, first panel through hole 1130, locking plate 1200, first folding surface 1210, second folding surface 1220, third folding surface 1230, limiting slot 1231, self-tightening screw 1300, identification frame 1400, rivet 1410, component to be locked 2000, power system cabinet 3000, cabinet screw 3100, cabinet mounting part 3200, cabinet side beam 3300, cabinet cross beam 3400. DETAILED DESCRIPTION

[0028] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0029] In the description of the utility model, if there is a description of first and second, it is only for the purpose of distinguishing the technical features, and cannot be understood as indicating or implying the relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0030] In the description of the present invention, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in the present invention based on the specific content of the technical solution.

[0031] In the design of modern power system equipment, electrical interlocking and mechanical interlocking of preset switches are important measures to ensure safe use of electricity. Mechanical interlocking is to prevent multiple internal electrical devices from being activated at the same time through physical mechanical components (such as levers, locks, etc.), thereby effectively avoiding electrical failures or dangers caused by improper interaction between devices.

[0032] In existing mechanical interlocking, different lock structures are often required to be customized according to different electrical equipment to meet the mechanical interlocking requirements. In addition, the customized lock structure often has a complex internal structure and cannot be reused for other electrical equipment, thereby increasing the production cost of the power system equipment.

[0033] Based on this, an embodiment of the utility model provides a lock structure, which is provided with a panel, a locking plate and a plurality of self-tightening screws, wherein the panel includes a panel opening and a plurality of rivet nuts, and the panel opening is used to connect the component to be locked on the back of the panel; the locking plate is arranged on the front of the panel, and the locking plate includes a first folding surface, a second folding surface and a third folding surface, the first folding surface is opposite to the panel opening, and the first folding surface is used as a limiting component of the component to be locked, the first folding surface is vertically connected to the second folding surface, the second folding surface is vertically connected to the third folding surface, and the third folding surface is vertically connected to the panel, and the third folding surface includes a limiting slot, and the limiting slot is arranged in the middle of the third folding surface; the self-tightening screws are used as a connecting component between the third folding surface and the panel, and each self-tightening screw passes through the limiting slot and is embedded in the corresponding rivet nut, thereby simplifying the internal structure of the lock, and can be widely used in control panels of various electrical equipment, thereby improving the versatility of the lock structure and reducing the production cost of power system equipment.

[0034] Therefore, the embodiments of the present invention are further described below in conjunction with the accompanying drawings.

[0035] Reference Figure 1 and Figure 2 As shown, Figure 1 is an overall exploded view of the lock structure provided by some embodiments of the utility model, Figure 21 is a diagram of a connection structure between a locking structure and a component to be locked 2000 provided in some embodiments of the present invention, wherein the locking structure comprises a panel 1100, a locking piece 1200 and a plurality of self-tightening screws 1300, wherein the panel 1100 comprises a panel opening 1110 and a plurality of rivet nuts 1120, wherein the panel opening 1110 is used to connect the component to be locked 2000 on the back side of the panel 1100; the locking piece 1200 is disposed on the front side of the panel 1100, wherein the locking piece 1200 comprises a first folding surface 1210, a second folding surface 1220 and a third folding surface 1230, wherein the first folding surface 1210 and the third folding surface 1230 are connected to each other. The panel opening 1110 is opposite to each other, the first folding surface 1210 is vertically connected to the second folding surface 1220, the second folding surface 1220 is vertically connected to the third folding surface 1230, the third folding surface 1230 is vertically connected to the panel 1100, the third folding surface 1230 includes a limiting slot 1231, and the limiting slot 1231 is arranged in the middle of the third folding surface 1230; the self-tightening screw 1300 is used as a connecting component between the third folding surface 1230 and the panel 1100, and each self-tightening screw 1300 passes through the limiting slot 1231 and is embedded in the corresponding rivet nut 1120.

[0036] Among them, the folding edge of the locking plate 1200 forms an inverted S-shaped structure based on the first folding surface 1210, the second folding surface 1220 and the third folding surface 1230. The first folding surface 1210 is used as a limiting component of the component 2000 to be locked, and can thereby lock the switch handle of the component 2000 to be locked (such as: an air switch); the second folding surface 1220 can reserve space for the switch handle of the component 2000 to be locked, and the second folding surface 1220 plays a connecting role for the first folding surface 1210 and the third folding surface 1230 respectively, thereby enhancing the overall strength of the locking plate 1200; and the third folding surface 1230 can realize the movement of the entire locking plate 1200 based on the adjustment between the self-tightening screw 1300 and the limiting slot 1231, thereby driving the first folding surface 1210 to limit or release the limit of the component 2000 to be locked.

[0037] It should also be noted that from Figure 1 It can be seen that the number of panel openings 1110 is multiple, or refer to Figure 3 As shown, Figure 3 It is an overall structural diagram of a lock structure provided by other embodiments of the present invention, and the number of the panel opening 1110 is one.

[0038] At the same time, from Figure 1 It can be seen that the number of the limiting notch 1231 is one, or from Figure 3 It can be seen that the number of the limiting notches 1231 is one or more.

[0039] It should be noted that from Figure 1It can be seen that the limiting slot 1231 is a long strip slot, and the long side of the limiting slot 1231 is parallel to one side of the panel 1100, or Figure 3 It can be seen that the long side of the limiting notch 1231 and one side of the panel 1100 are perpendicular to each other.

[0040] Further, from Figure 1 It can be seen that the panel 1100 further includes a plurality of first panel through holes 1130 , and the first panel through holes 1130 are disposed directly below the panel opening 1110 .

[0041] Further, from Figure 1 It can be seen that the locking structure also includes an identification frame 1400, which is arranged on the front side of the panel 1100. The identification frame 1400 is used to indicate the relative position of the panel opening 1110. The identification frame 1400 includes a plurality of rivets 1410, which are used as fixing parts between the identification frame 1400 and the panel 1100. The rivets 1410 are located on the back side of the identification frame 1400. The rivets 1410 are embedded in the first panel through hole 1130 and connected to the panel 1100.

[0042] It should be noted that the number of identification frames 1400 can be one or more, and this application does not make any specific limitation.

[0043] Further, from Figure 1 It can be seen that the panel 1100 also includes a plurality of second panel through holes, which are used as the connection between the locking structure and the external structure. The plurality of second panel through holes are respectively arranged on both sides of the panel 1100 .

[0044] Further, in some embodiments, referring to Figure 4 and Figure 5 As shown, Figure 4 is a structural diagram of a power system cabinet 3000 provided in some embodiments of the utility model, Figure 5 It is a partial exploded view of an electric power system cabinet 3000 provided by some embodiments of the utility model. The electric power system cabinet 3000 includes the above-mentioned locking structure, cabinet screws 3100, a component to be locked 2000, a cabinet mounting component 3200, a cabinet side beam 3300 and a cabinet cross beam 3400. The above-mentioned locking structure is installed in the electric power system cabinet 3000 through the cabinet screws 3100. The component to be locked 2000 is preset with a switch handle through a panel opening. The component to be locked 2000 is fixed on the cabinet mounting component 3200. The cabinet mounting component 3200 is fixed to the cabinet through the cabinet side beam 3300 and the cabinet cross beam 3400. Then, the locking piece 1200 is moved left and right by adjusting the self-tightening screw 1300 and the limiting slot 1231, thereby mechanically interlocking the component to be locked 2000.

[0045] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

[0046] It should be understood that in the description of the present utility model, "at least one (item)" means one or more, and "plurality" means two or more. "And / or" is used to describe the association relationship of associated objects, indicating that three relationships may exist. For example, "A and / or B" can mean: only A exists, only B exists, and A and B exist at the same time, where A and B can be singular or plural. The character " / " generally indicates that the previous and next associated objects are in an "or" relationship. "At least one of the following items" or similar expressions refers to any combination of these items, including any combination of single items or plural items. For example, at least one of a, b or c can mean: a, b, c, "a and b", "a and c", "b and c", or "a and b and c", where a, b, c can be single or multiple.

Claims

1. A lock structure, characterized in that ,include: A panel, the panel comprising a panel opening and a plurality of rivet nuts, the panel opening being used to communicate with a component to be locked on the back side of the panel; A locking piece, the locking piece is arranged on the front side of the panel, the locking piece comprises a first folding surface, a second folding surface and a third folding surface, the first folding surface is opposite to the panel opening, the first folding surface is used as a limiting component of the component to be locked, the first folding surface is vertically connected to the second folding surface, the second folding surface is vertically connected to the third folding surface, the third folding surface is vertically connected to the panel, the third folding surface comprises a limiting notch, and the limiting notch is arranged in the middle of the third folding surface; A plurality of self-tightening screws are used as connecting components between the third folding surface and the panel, and each of the self-tightening screws passes through the limiting notch and is embedded in the corresponding rivet nut.

2. The lock structure according to claim 1, characterized in that: The folded edge of the locking piece forms an inverted S-shaped structure based on the first folded surface, the second folded surface and the third folded surface.

3. The lock structure according to claim 1, characterized in that: The number of the panel openings is one or more.

4. The lock structure according to claim 1, characterized in that: The number of the limiting notches is one or more.

5. The lock structure according to claim 1, characterized in that: The limiting notch is a long strip-shaped notch.

6. The lock structure according to claim 5, characterized in that: The long side of the limiting notch is parallel to or perpendicular to one side of the panel.

7. The lock structure according to claim 1, characterized in that: The panel further includes a plurality of first panel through holes, and the first panel through holes are arranged directly below the panel opening.

8. The lock structure according to claim 7, characterized in that: The locking structure also includes an identification frame, which is arranged on the front side of the panel. The identification frame is used to indicate the relative position of the panel opening. The identification frame includes a plurality of rivets, which are used as fixing parts between the identification frame and the panel. The rivets are located on the back side of the identification frame. The rivets are embedded in the through holes of the first panel and connected to the panel.

9. The lock structure according to claim 8, wherein the number of the identification frames is one or more.

10. The lock structure according to claim 1, characterized in that: The panel further comprises a plurality of second panel through holes, wherein the second panel through holes are used as a connection point between the locking structure and an external structure, and the plurality of second panel through holes are respectively arranged on both sides of the panel.

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