Automatic and manual switching structure of dual-power change-over switch
By designing an automatic manual switching structure in the dual power conversion switch, the safe fixing and defixing of the operating handle is achieved using the slide cover and return spring, which solves the problem of unstable placement of the handle in the manual state, avoids the risk of short circuit, and reduces the complexity and cost of the structure.
Patent Information
- Application Number
- CN202323462308.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-19
- Publication Date
- 2025-03-18
- Estimated Expiration
- 2033-12-19
AI Technical Summary
The existing dual power switches have insufficient placement and firmness of the operating handle in the manual state, which can easily cause the handle to fall off due to vibration, causing the risk of short circuit.
An automatic manual switching structure is designed, including a slide cover, an upper cover, a return spring, an operating handle module and a positioner. Through the horizontal sliding of the slide cover and the function of the return spring, the fixed and unfixed operation handle module in different switching states is achieved, ensuring that the handle cannot be disengaged in the non-manual state.
It realizes the safe and secure placement of the operating handle when the switch is switched, and can only be removed in manual operation state, avoiding the risk of short circuit caused by the handle falling off. It also has a simple structural design, easy processing technology, and low cost.
Smart Images
Figure CN222637084U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of electrical equipment, and in particular relates to an automatic manual switching structure of a dual power conversion switch. Background Art
[0002] Dual power transfer switch is a widely used terminal appliance. It mainly uses the controller on it to drive the electric operating mechanism to control the action of the switch to connect or disconnect the normal and backup power supplies, thereby ensuring the safety of the power system and the continuity of production. Transfer switch generally has three execution states: normal power closing, backup power closing and double disconnection. In the double disconnection state, the transfer switch cuts off both power supplies at the same time to deal with equipment maintenance or other situations where the power supply needs to be disconnected. In this state, the padlock device of the transfer switch needs to be used to lock the transfer switch in the double disconnection state to prevent other personnel from misoperating due to maintenance, thereby avoiding economic and personnel losses and playing a role in protecting electricity safety.
[0003] At the user's site, when the transfer switch is in manual state, it is necessary to use the operating handle to operate it manually. After use, it will be returned to its original position and cannot be easily taken out. Otherwise, the handle will fall off due to vibration during the switch conversion process, and there is a risk of falling onto the wiring copper busbar and causing a short circuit. Therefore, it is extremely important to place the handle firmly and reliably. Summary of the invention
[0004] The utility model solves the technical problem by adopting the following technical solutions:
[0005] The automatic manual switching structure of the dual power conversion switch includes a sliding cover, an upper cover, a reset spring, an operating handle module, and a positioning member;
[0006] The sliding cover is mounted on the upper surface of the upper cover, and the sliding cover can slide left and right relative to the upper cover in a horizontal direction; the operating handle module is mounted on the sliding cover;
[0007] The return spring and the positioning member are installed between the sliding cover and the upper cover. A slideway is provided on the surface of the upper cover. The bottom of the positioning member is located in the slideway. The top of the positioning member is located in a slot provided on the sliding cover. The return spring is sleeved on the positioning member.
[0008] When the sliding cover moves relative to the upper cover to the switch being in a non-manual state, one end of the positioning member passes through the slot of the upper cover and is inserted into the operating handle module, so that the operating handle module cannot be separated from the sliding cover;
[0009] When the sliding cover moves relative to the upper cover to the switch being in a manual state, one end of the positioning member cannot be inserted into the recessed hole provided on the operating handle module under the action of the spring, so that the operating handle module can be separated from the sliding cover.
[0010] Furthermore, a sunken structure is provided in the slideway, and when the bottom of the positioning member is located in the sunken structure, the positioning member is retracted from the recessed hole on the operating handle module under the action of a spring, so that the operating handle module can be separated from the slide cover.
[0011] Furthermore, it also includes a padlock component, which is installed on the upper surface of the upper cover.
[0012] Furthermore, the bottom of the sunken structure is an arc-shaped transition shape.
[0013] Furthermore, the operating handle module includes a body and a handle, and the handle can be inserted into the sliding cover.
[0014] Furthermore, a concave hole is provided on the lower surface of the main body, and the positioning piece is inserted into the concave hole provided on the operating handle module.
[0015] Furthermore, the sunken structure is connected to the slideway on both sides to form an inclined surface structure.
[0016] Furthermore, the bottom of the positioning member forms a triangular structure.
[0017] Furthermore, when the sliding cover slides relative to the upper cover to the switch being in a double-open / padlocked state, the padlock component will be exposed; when the sliding cover slides relative to the upper cover to other positions, the padlock component will be blocked by the sliding cover.
[0018] Furthermore, it also includes a micro switch, which is installed inside the upper cover.
[0019] The advantages and positive effects of the utility model are:
[0020] 1. The structure provided by the utility model can make the transfer switch realize the switching of the three states of main closing, double opening and standby closing in sequence, and the operating handle can be safely and firmly placed on the transfer switch body, and can only be removed in the manual operation state; and the padlock operation can only be performed in the double opening position;
[0021] 2. The positioning member and return spring structure provided by the utility model adopt a compression spring design, which has a simple processing technology, is easy to control, and reduces errors; the overall structure is ingenious and easy to assemble, and the parts and assembly costs are low. BRIEF DESCRIPTION OF THE DRAWINGS
[0022] The technical solution of the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments, but it should be understood that these drawings are designed only for the purpose of explanation and are not intended to limit the scope of the utility model. In addition, unless otherwise specified, these drawings are only intended to conceptually illustrate the structural configurations described herein and are not necessarily drawn to scale.
[0023] Figure 1 It is a schematic diagram of the automatic manual switching structure of the dual power conversion switch of the utility model;
[0024] Figure 2 It is an exploded view of the automatic manual switching structure of the dual power conversion switch of the utility model;
[0025] Figure 3 It is a schematic diagram of the automatic state of the automatic-manual switching structure of the dual power conversion switch of the utility model;
[0026] Figure 4 It is a manual state schematic diagram of the automatic manual switching structure of the dual power conversion switch of the utility model;
[0027] Figure 5 It is a schematic diagram of the dual-opening / padlocking state of the automatic-manual switching structure of the dual power conversion switch of the utility model;
[0028] Figure 6 It is a schematic diagram of the bottom of the operating handle module of the automatic manual switching structure of the dual power conversion switch of the utility model;
[0029] Figure 7 It is a schematic diagram of a positioning member of the automatic manual switching structure of the dual power conversion switch of the utility model;
[0030] Figure 8 A schematic diagram of a padlock member of an automatic-manual switching structure of a dual power conversion switch of the utility model;
[0031] Fig. 9 It is a bottom schematic diagram of the sliding cover of the automatic manual switching structure of the dual power conversion switch of the utility model;
[0032] Fig.10 It is a bottom schematic diagram of the upper cover of the automatic manual switching structure of the dual power conversion switch of the utility model;
[0033] Fig.11 It is a schematic diagram of the shell of the automatic-manual switching structure of the dual power conversion switch of the utility model. DETAILED DESCRIPTION
[0034] First of all, it should be noted that the specific structure, features and advantages of the present invention will be specifically described below by way of example, but all descriptions are only for illustration and should not be understood as limiting the present invention in any way. In addition, any single technical feature described or implied in the embodiments mentioned herein, or any single technical feature displayed or implied in the drawings, can still be combined or deleted between these technical features (or their equivalents) to obtain more other embodiments of the present invention that may not be directly mentioned in this document. In addition, in order to simplify the drawings, the same or similar technical features may be marked in only one place in the same drawing.
[0035] The following is combined Figures 1 to 11 To specifically illustrate the utility model.
[0036] The automatic manual switching structure of the dual power conversion switch provided in this embodiment includes a sliding cover 1, an upper cover 3, a return spring 5, an operating handle module 6, and a positioning member 7;
[0037] The sliding cover 1 is mounted on the upper surface of the upper cover 3, and the sliding cover 1 can slide left and right relative to the upper cover 3 in the horizontal direction; the operating handle module 6 is mounted on the sliding cover 1;
[0038] The return spring 5 and the positioning member 7 are installed between the sliding cover 1 and the upper cover. A slideway is provided on the surface of the upper cover. The bottom of the positioning member is located in the slideway. The top of the positioning member is located in a slot provided on the sliding cover 1. The return spring 5 is sleeved on the positioning member 7.
[0039] When the slide cover 1 moves relative to the upper cover 3 to a non-manual switch state, one end of the positioning member 7 passes through the slot of the upper cover 3 and is inserted into the operating handle module 6, so that the operating handle module 6 cannot be separated from the slide cover;
[0040] When the sliding cover 1 moves relative to the upper cover 3 to the manual switch state, one end of the positioning member 7 cannot be inserted into the recessed hole provided on the operating handle module 6 under the action of the spring, so that the operating handle module 6 can be separated from the sliding cover.
[0041] It can be considered that a sunken structure is provided in the slideway, and when the bottom of the positioning member 7 is located in the sunken structure, the positioning member is retracted from the concave hole on the operating handle module 6 under the action of the spring, so that the operating handle module 6 can be separated from the slide cover; in this embodiment, the sunken structure can be a groove structure, and the two sides of the sunken structure connected to the slideway form an inclined surface structure, and the bottom of the sunken structure is an arc-shaped transition shape, and the bottom of the positioning member 7 forms a triangular structure. Such a structural setting can reduce obstacles when the positioning member slides into and out of the sunken structure, and it is smoother;
[0042] It also includes a padlock 2, which is installed on the upper surface of the upper cover; when the sliding cover 1 slides relative to the upper cover to the switch being in a double-open / padlocked state, the padlock 2 will be exposed; when the sliding cover 1 slides relative to the upper cover to other positions, the padlock 2 will be blocked by the sliding cover.
[0043] In this embodiment, the operating handle module 6 includes a body and a handle, and the handle can be inserted into the sliding cover 1; a recessed hole is provided on the lower surface of the body, and one end of the positioning member 7 can be inserted into the recessed hole C provided on the body of the operating handle module 6.
[0044] It also includes a micro switch 8, which is installed inside the upper cover; it also includes a shell 4, the upper cover 3 and the shell 4 are assembled together along the guide groove to ensure that the snap-fit parts of each other are installed in place and fastened with screws from the inside.
[0045] It should be noted that when assembling the operating handle module 6, positioning member 7, and micro switch 8 in this solution, relevant slot structures need to be set on the sliding cover 1 and upper cover 3 to be assembled therewith. The specific shape and depth of the slot structure can be set according to the technical effect to be achieved and are no longer limited here.
[0046] In this embodiment, a square groove A is provided inside the sliding cover 1. Fig. 9 As shown, the return spring 5 and the positioning member 7 can be installed therein, and the positioning member 7 can be compressed into the inside of the sliding cover 1 under the action of external force, and can also be restored to its original position under the action of the return spring 5; Fig.10 As shown, the upper cover 3 is provided with a plurality of grooves of different shapes inside, which can be used to clamp the padlock 2 and the micro switch 8;
[0047] Installation method of the utility model:
[0048] Assemble the upper cover 3 and the outer shell 4 together along the guide grooves provided inside them, ensure that the buckle parts of each other are installed in place, and tighten them with screws from the inside; install the padlock 2 along the structure provided inside the upper cover 3, and limit its lowest position by the structure inside the upper cover 3, so that the padlock 2 can move freely up and down; in the same direction, install the micro switch 8 into the upper cover 3, ensure that it is stuck by the internal structure of the upper cover 3 and cannot be loosened; insert the reset spring 5 along the guide column of the positioning member 7, and then install the reset spring 5 and the positioning member 7 together along the structure provided inside the sliding cover 1 The structure is installed, and it is ensured that the positioning member 7 can be compressed into the inside of the sliding cover 1 under the action of external force, and can also return to its original position under the action of the return spring 5; the assembled sliding cover 1 is installed along the groove set on the upper surface of the upper cover 3, ensuring that the buckling parts of each other are installed in place, and the sliding cover 1 can slide left and right in the horizontal direction; when the sliding cover 1 moves to the manual operation state, the handle of the operating handle module 6 is installed along the channel B on the sliding cover 1, ensuring that the elastic buckle on the sliding cover 1 clamps the operating handle module 6, and at this time the sliding cover 1 and the operating handle module 6 can move left and right together.
[0049] The working principle of this utility model:
[0050] like Figure 3 As shown, when the sliding cover 1 slides to the leftmost side, that is, the switch is in the automatic state (Auto), the triangular feature at the bottom of the positioning member 7 abuts against the plane of the upper cover 3. At this time, the reset spring 5 is compressed, and the guide column of the positioning member 7 passes through the characteristic through hole on the surface of the upper cover 3 and is inserted into the concave hole set on the operating handle module 6, so that the operating handle module 6 cannot be removed;
[0051] like Figure 4 As shown, when the sliding cover 1 slides to the middle position, that is, the switch is in the manual state (Manual), the triangular feature of the positioning member 7 falls into the triangular feature of the upper cover 3. At this time, the positioning member 7 can be pressed against the bottom of the triangular feature under the action of the reset spring 5, and the guide column on it will drop accordingly, lower than the characteristic through hole on the surface of the upper cover 3, that is, it will not be exposed from the surface of the upper cover 3, and the operating handle module 6 can be removed or installed at will;
[0052] like Figure 5 As shown, when the sliding cover 1 slides to the far right, that is, the switch is in the double-open / padlocked state (Lock), the triangular feature of the positioning member 7 rests on the plane of the upper cover 3. At this time, similar to the automatic state, the reset spring 5 is compressed, and the guide column of the positioning member 7 passes through the characteristic through hole on the surface of the upper cover 3 and is inserted into the recessed hole set on the operating handle module 6. The operating handle module 6 cannot be removed; at the same time, since the sliding cover 1 moves to the right, the padlock member 2 will be exposed, and the padlock member 2 can be pulled out as needed to padlock the switch.
[0053] The above embodiments describe the present invention in detail, but the above contents are only preferred embodiments of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of application of the present invention shall still fall within the scope of the patent coverage of the present invention.
Claims
1. The automatic manual switching structure of the dual power conversion switch is characterized by: It includes a sliding cover, an upper cover, a return spring, an operating handle module, and a positioning piece; The sliding cover is mounted on the upper surface of the upper cover, and the sliding cover can slide left and right relative to the upper cover in a horizontal direction; the operating handle module is mounted on the sliding cover; The return spring and the positioning member are installed between the sliding cover and the upper cover. A slideway is provided on the surface of the upper cover. The bottom of the positioning member is located in the slideway. The top of the positioning member is located in a slot provided on the sliding cover. The return spring is sleeved on the positioning member. When the sliding cover moves relative to the upper cover to the switch being in a non-manual state, one end of the positioning member passes through the slot of the upper cover and is inserted into the operating handle module, so that the operating handle module cannot be separated from the sliding cover; When the sliding cover moves relative to the upper cover to the switch being in a manual state, one end of the positioning member cannot be inserted into the recessed hole provided on the operating handle module under the action of the spring, so that the operating handle module can be separated from the sliding cover.
2. The automatic-manual switching structure of the dual power conversion switch according to claim 1 is characterized in that: A sunken structure is provided in the slideway. When the bottom of the positioning member is located in the sunken structure, the positioning member is retracted from the concave hole on the operating handle module under the action of the spring, so that the operating handle module can be separated from the slide cover.
3. The automatic-manual switching structure of the dual power conversion switch according to claim 1 is characterized in that: It also includes a padlock component, which is installed on the upper surface of the upper cover.
4. The automatic-manual switching structure of the dual power conversion switch according to claim 2 is characterized in that: The bottom of the sunken structure is in an arc-shaped transition shape.
5. The automatic-manual switching structure of the dual power conversion switch according to claim 1 is characterized in that: The operating handle module comprises a body and a handle, and the handle can be inserted into the sliding cover.
6. The automatic-manual switching structure of the dual power conversion switch according to claim 5 is characterized in that: A concave hole is provided on the lower surface of the main body, and the positioning piece is inserted into the concave hole provided on the operating handle module.
7. The automatic-manual switching structure of the dual power conversion switch according to claim 2 is characterized in that: The two sides where the sunken structure is connected to the slideway form an inclined surface structure.
8. The automatic-manual switching structure of the dual power conversion switch according to claim 1 is characterized in that: The bottom of the positioning member forms a triangular structure.
9. The automatic-manual switching structure of the dual power conversion switch according to claim 3 is characterized in that: When the sliding cover slides relative to the upper cover to the switch being in a double-open / padlocked state, the padlock component will be exposed; when the sliding cover slides relative to the upper cover to other positions, the padlock component will be blocked by the sliding cover.
10. The automatic-manual switching structure of the dual power conversion switch according to claim 1, characterized in that: It also includes a micro switch, which is installed inside the upper cover.