Manual and automatic switching structure of reclosing circuit breaker

Abstract

The utility model discloses a manual and automatic switching structure of a reclosing circuit breaker. The manual and automatic switching structure comprises a cover body and an upper cover, an exposed hole is formed in the upper cover; the input shaft, the reduction gear box, the sliding plate and the change-over switch are arranged in a space formed by the cover body and the upper cover; the input shaft is rotationally arranged on the reduction gear box, a handle insertion hole is formed in one end of the input shaft, and the handle insertion hole is located under the exposed hole; the sliding plate is slidably arranged relative to the reduction gear box and has a first position and a second position; the change-over switch is located in the motion trail of the sliding plate, and a first relation and a second relation exist between the change-over switch and the sliding plate; when the sliding plate is located at the first position, the sliding plate shields between the handle jack and the exposed hole, and the sliding plate and the change-over switch present a first relationship; when the sliding plate is at the second position, the handle jack is communicated with the exposed hole, and the sliding plate and the change-over switch are in a second relationship; the device has the characteristic of reasonable space utilization.

Description

Technical Field

[0001] The present application relates to the electrical field of low-voltage switches, and is a reclosing circuit breaker, and in particular is a manual-automatic switching structure of a reclosing circuit breaker. Background Art

[0002] The reclosing circuit breaker includes both automatic operation mode (also called electric operation mode) and manual operation mode, and often requires a manual-automatic switching structure to achieve switching between automatic mode and manual mode.

[0003] The existing reclosing circuit breaker and its manual-automatic switching structure such as CN213242448U, this reclosing circuit breaker adopts an AC motor, so the internal gear structure is very simple, and the manual-automatic switching structure is relatively easy to design.

[0004] However, as the requirements for the electric opening and closing speed of circuit breakers are further increased, the speed of AC motors can no longer meet this faster opening and closing speed. Therefore, DC motors are needed to drive them. The speed of DC motors is too fast to directly drive the operating handle of the circuit breaker, so a reduction gearbox must be used to drive the operating handle of the circuit breaker.

[0005] However, the existing reduction gearbox structure occupies a large space. How to reasonably arrange the manual-automatic switching structure and the reduction gearbox structure is also a direction worthy of study. Summary of the invention

[0006] In view of this, the purpose of the present application is to overcome the deficiencies in the prior art and to provide a manual-automatic switching structure for a reclosing circuit breaker.

[0007] The present application provides: a manual-automatic switching structure of a reclosing circuit breaker, which includes a cover body and an upper cover; an exposed hole is provided on the upper cover; wherein, it also includes an input shaft, a reduction gear box, a slide plate and a conversion switch arranged in a space formed by the cover body and the upper cover; the input shaft is rotatably arranged on the reduction gear box, and a handle socket is provided on one end of the input shaft, and the handle socket is located directly below the exposed hole; the slide plate is slidably arranged relative to the reduction gear box, and the slide plate has a first position and a second position; the conversion switch is within the movement trajectory of the slide plate, and a first relationship and a second relationship exist between the conversion switch and the slide plate; when the slide plate is in the first position, it is blocked between the handle socket and the exposed hole, and the slide plate and the conversion switch present a first relationship; when the slide plate is in the second position, the handle socket and the exposed hole are connected, and the slide plate and the conversion switch present a second relationship.

[0008] With this structure, the input shaft is set on the reduction gear box, and the slide plate and the reduction gear box are set in a sliding manner, which is conducive to the compact design of the slide plate and the reduction gear box, and reasonably utilizes the space on the upper part of the reduction gear box. The manual and automatic working modes can be switched by sliding the slide plate. When the slide plate is in the first position, the slide plate is blocked between the handle jack and the exposed hole, and the slide plate and the conversion switch are in the first relationship, and the automatic working mode is in this case; when the slide plate is in the second position, the slide plate is moved away, so that the handle jack and the exposed hole are connected, and the slide plate and the conversion switch are in the second relationship, and the manual working mode is in this case.

[0009] In the embodiment of the present application, the conversion switch is a travel switch or a micro switch, the first relationship is that the slide triggers the conversion switch, and the second relationship is that the slide is separated from the conversion switch.

[0010] With this structure, the transfer switch can use a travel switch or a micro switch. This type of switch with contacts has a stable mechanical structure.

[0011] In the implementation manner of the present application, the conversion switch is a travel switch or a micro switch, the first relationship is separated from the conversion switch, and the second relationship is that the slide plate triggers the conversion switch.

[0012] With this structure, the transfer switch can use a travel switch or a micro switch. This type of switch with contacts has a stable mechanical structure.

[0013] In an embodiment of the present application, it also includes an elastic clamping foot, which is arranged on the skateboard and slides with the skateboard. A first limiting groove and a second limiting groove are provided in the movement trajectory of the elastic clamping foot. The elastic clamping foot switches back and forth between the first limiting groove and the second limiting groove as the skateboard moves; when the elastic clamping foot is in the first limiting groove, the corresponding skateboard is in the first position; when the elastic clamping foot is in the second limiting groove, the corresponding skateboard is in the second position.

[0014] By adopting this structure, a slight retaining structure can be formed by the elastic clamping foot, the first limiting groove and the second limiting groove (maintaining the current position, if the elastic clamping foot is in the first limiting groove, the slide board is in the first position; when it is in the second limiting groove, the slide board is in the second position), because when the elastic clamping foot is in the first limiting groove or the second limiting groove, a certain force is required to push the slide board to move (that is, the elastic clamping foot is out of the current limiting groove).

[0015] In an embodiment of the present application, the elastic clamping foot is arranged in a first direction of the slide board, and the first direction is perpendicular to the sliding direction of the slide board.

[0016] The design of this elastic clamping foot has the characteristics of simple structure and convenient transmission.

[0017] In an embodiment of the present application, there are two elastic clamping feet, which are respectively arranged in the first direction and the second direction of the skateboard. The first direction and the second direction are two opposite directions. The first direction and the second direction are both perpendicular to the sliding direction of the skateboard. Each elastic clamping foot corresponds to a first limiting groove and a second limiting groove.

[0018] The design of two sets of elastic clips makes the force on the skateboard more balanced, which is conducive to the smooth sliding of the skateboard.

[0019] In an embodiment of the present application, two guide walls are formed on the upper cover, and the length direction of the guide walls is parallel to the sliding direction of the slide plate. The slide plate part is located between the two guide walls and is slidably arranged along the guide walls.

[0020] The design of the guide wall is conducive to the sliding of the skateboard.

[0021] In an embodiment of the present application, a rib and / or a groove is provided on the upper cover, and the guide wall is a part of the rib and / or the groove.

[0022] The guide wall is formed on the rib and / or the groove, which facilitates the design of the guide wall.

[0023] In an embodiment of the present application, the skateboard has a driving portion that extends beyond the upper surface of the upper cover; or, the skateboard has a driving portion that extends beyond the upper surface of the upper cover, a second through hole is provided on the driving portion, a first protrusion is provided on the upper cover, a first through hole is provided on the first protrusion, and when the skateboard is in the first position, the first protrusion is in contact with the driving portion, so that the first through hole and the second through hole are arranged closely together.

[0024] The design of the driving part is conducive to the user driving the slide plate to slide through the driving part. The design of the driving part, the first protrusion, the first through hole, the second through hole, etc. is conducive to the external parts (such as padlocks, lead seals, etc.) penetrating into the first through hole and the second through hole when the slide plate is in the first position, so as to prevent the slide plate from being easily removed.

[0025] In an embodiment of the present application, the reduction gear box includes a box cover and a box seat, and two travel through holes are opened on the box cover, and the length direction of the travel through holes is parallel to the sliding direction of the slide plate; the slide plate has a slide rail extending into the corresponding travel through hole, and the slide rail is slidably arranged along the travel through hole.

[0026] With this structure, two travel through holes are opened on the box cover, which will be beneficial for the sliding plate and the reduction gear box to form a sliding arrangement.

[0027] In an embodiment of the present application, a hook portion is provided on the slide rail, and the hook portion is hooked on the surface of the box cover away from the slide plate.

[0028] The design of the hook portion will help the slide rail to hook onto the surface of the box cover away from the slide plate, making the sliding cooperation between the slide plate and the reduction gear box more stable.

[0029] In an embodiment of the present application, the reduction gear box includes a box cover and a box seat, a mounting protrusion is provided on the upper surface of the box cover, and guide rails are provided on both sides of the mounting protrusion; there is a gap between the guide rail and the upper surface of the box cover; the slide plate is covered on the mounting protrusion, and the slide plate has a hook portion extending between the guide rail and the upper surface of the box cover, and the hook portion is slidably arranged along the guide rail.

[0030] By adopting this structure, the slide plate and the reduction gear box can also form a stable sliding fit structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0032] Figure 1 A three-dimensional diagram of a reclosing circuit breaker according to an implementation manner of Example 1 of the present application is shown;

[0033] Figure 2 A three-dimensional diagram of a reclosing circuit breaker after removing the upper cover according to an implementation manner of Example 1 of the present application is shown;

[0034] Figure 3 for Figure 2 A front view of

[0035] Figure 4 A diagram showing the positional relationship of an upper cover, a slide plate, and a conversion switch in an implementation manner of Example 1 of the present application is shown;

[0036] Figure 5 A schematic diagram showing the structure of a slide plate in a second position according to an implementation manner of Example 1 of the present application;

[0037] Figure 6 A schematic diagram showing the structure of a slide plate in a first position according to an implementation manner of Example 1 of the present application;

[0038] Figure 7 A three-dimensional diagram of a reclosing circuit breaker after removing the upper cover according to another implementation manner of Example 1 of the present application is shown;

[0039] Figure 8 A schematic diagram and a partial enlarged diagram of the cooperation between the reduction gear box and the slide plate in another implementation manner of Example 1 of the present application are shown;

[0040] Fig. 9 A diagram showing the positional relationship between the upper cover and the slide plate of an implementation method of Example 1 of the present application is shown;

[0041] Fig.10 A schematic diagram showing the structure of a slide plate in a first position according to an implementation manner of Example 1 of the present application;

[0042] Fig.11 A structural schematic diagram showing a slide plate in a second position according to an implementation manner of Example 1 of the present application is shown. DETAILED DESCRIPTION

[0043] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0044] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0045] In addition, the terms "primary" and "secondary" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "primary" and "secondary" may explicitly or implicitly include one or more of the features. In the description of this application, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0046] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0047] In the present application, unless otherwise clearly specified and limited, when a main feature is “above” or “below” a second feature, it can mean that the main feature and the second feature are in direct contact, or the main feature and the second feature are in indirect contact through an intermediate medium. Moreover, when a main feature is “above”, “above” or “above” a second feature, it can mean that the main feature is directly above or obliquely above the second feature, or simply means that the main feature is higher in level than the second feature. When a main feature is “below”, “below” or “below” a second feature, it can mean that the main feature is directly below or obliquely below the second feature, or simply means that the main feature is lower in level than the second feature. Example

[0048] like Figure 1-Figure 11 As shown, embodiment 1 of the present application provides a reclosing circuit breaker, which has an automatic operation mode (also called an electric operation mode) and a manual operation mode.

[0049] Therefore, this reclosing circuit breaker has a manual-automatic switching structure.

[0050] The manual-automatic switching structure includes a cover body 100 , an upper cover 200 , a slide plate 300 , a reduction gear box 400 and a conversion switch 600 .

[0051] The cover body 100 and the upper cover 200 are part of the housing of the reclosing circuit breaker. The upper cover 200 is fixed to the cover body 100, and the two form a space. The slide plate 300, the reduction gear box 400 and the conversion switch 600 are all arranged in the space.

[0052] The upper cover 200 is provided with an exposed hole 201 , and the setting of the exposed hole 201 is convenient for the insertion of an external handle (an external handle used in a manual operation mode).

[0053] The reduction gear box 400 is fixed in the space, and a reduction gear set is arranged in the reduction gear box 400 .

[0054] The input shaft 500 is arranged through the reduction gear box 400, and the input shaft 500 and the reduction gear box 400 are in a rotational arrangement relationship. The upper end of the input shaft 500 has a handle insertion hole 501, and the handle insertion hole 501 is just below the exposed hole 201. In this way, when the handle insertion hole 501 is connected to the exposed hole 201, an external handle can be inserted into the handle insertion hole 501 to achieve manual operation. When the handle insertion hole 501 and the exposed hole 201 are blocked, the external handle cannot be inserted into the handle insertion hole 501.

[0055] The slide plate 300 is set on the reduction gear box 400 in a sliding manner. The slide plate 300 has two positions, the first position is to block between the handle insertion hole 501 and the exposed hole 201. The second position is a position that makes the handle insertion hole 501 and the exposed hole 201 connected. By pushing the slide plate 300 to slide, the slide plate 300 can be switched between the first position and the second position. Here, the slide plate 300 has a driving part 301 that exceeds the upper surface of the upper cover 200, so that the user can push the driving part 301 to achieve the sliding of the slide plate 300. Of course, the upper cover 200 here is provided with a first protrusion 202 near the exposed hole 201, and the first protrusion 202 is provided with a first through hole 202a, and the driving part 301 has a second through hole 301a. When the slide plate 300 is in the first position, the driving part 301 is attached to the first protrusion 202 and the driving part 301, and the first through hole 202a and the second through hole 301a are adjacent. With such a design of the first through hole 202a and the second through hole 301a, when the slide plate 300 is in the first position, the user can keep the slide plate 300 in the first position by means of a padlock to prevent misoperation.

[0056] There are various ways to set the sliding between the slide plate 300 and the gear box. The following examples introduce two preferred ways to the sliding of the slide plate 300.

[0057] like Figure 3-4 As shown, in this way, the reduction gear box 400 includes a box cover 401 and a box seat. Two travel through holes 404 are provided on the box cover 401, and the length direction of the travel through holes 404 is parallel to (or consistent with) the sliding direction of the slide plate 300. The slide plate 300 is provided with two slide rails 303 facing downward, and the slide rails 303 penetrate into the corresponding travel through holes 404. Here, each slide rail 303 has a hook portion 302. Since the slide rail 303 penetrates into the corresponding travel through hole 404, the hook portion 302 can be hooked on the surface of the box cover 401 away from the slide plate 300, and here the hook portion 302 is hooked on the lower surface of the box cover 401.

[0058] like Figure 7-8 As shown, in this way, the reduction gear box 400 includes a box cover 401 and a box seat, and a mounting protrusion 402 is provided on the upper surface of the box cover 401, and guide rails 403 are provided on both sides of the mounting protrusion 402. Here, there is a gap between the guide rail 403 and the upper surface of the box cover 401, and the slide plate 300 is completely placed on the mounting protrusion 402 and can slide along the length direction of the mounting protrusion 402. Here, the slide plate 300 has a hook portion 302 extending into the gap (the gap between the guide rail 403 and the upper surface of the box cover 401), so that the slide plate 300 and the mounting protrusion 402 form a sliding connection through the design of the hook portion 302.

[0059] Regardless of the above sliding scheme, a guide wall 203 can be provided on the upper cover 200 to guide the sliding of the slide plate 300. The number of the guide walls 203 here is two. Of course, there are many ways to set the guide wall 203. It can be that two ribs 203a are provided on the upper cover 200, and the guide wall 203 is a part of the rib 203a. It can also be that the upper cover 200 is provided with a groove 203b, and the guide wall 203 is a part of the groove 203b. It can also be that the rib 203a and the groove 203b are provided at the same time, and the guide wall 203 is a part of the rib 203a and the groove 203b.

[0060] Regardless of the sliding mode of the slide plate 300, the conversion switch 600 is arranged within the motion track of the slide plate 300. The conversion switch 600 here is mainly connected to the control component inside the circuit breaker, and the conversion between the automatic operation mode (also called the electric operation mode) and the manual operation mode can be realized through the working relationship between the slide plate 300 and the conversion switch 600.

[0061] Here, the relationship between the conversion switch 600 and the slide plate 300 includes a first relationship and a second relationship. Here, the relationship between the conversion switch 600 and the slide plate 300 is formed in various ways.

[0062] like Figure 9-10 As shown, in this embodiment, the first relationship is that the slide plate 300 triggers the conversion switch 600, and the second relationship is that the slide plate 300 is separated from the conversion switch 600. Of course, the first relationship here means that when the slide plate 300 is in the first position, the slide plate 300 triggers the conversion switch 600. The second relationship means that when the slide plate 300 is in the second position, the conversion switch 600 is not triggered.

[0063] like Figure 4-6 As shown, in this embodiment, the first relationship is that the slide plate 300 is separated from the switch 600, and the second relationship is that the slide plate 300 triggers the switch 600. Of course, the first relationship here means that when the slide plate 300 is in the first position, the switch 600 is not triggered. The second relationship means that when the slide plate 300 is in the second position, the slide plate 300 triggers the switch 600.

[0064] Of course, there are many options for the above-mentioned conversion switch 600, such as a micro switch, a travel switch, etc. At the same time, there are many forms of the conversion switch 600, which can be a normally closed type or a normally open type. Taking the normally closed type conversion switch 600 as an example, when the conversion switch 600 is not triggered, it is in a closed state, and when it is triggered, it is converted to an open state. Taking the normally open type conversion switch 600 as an example, when the conversion switch 600 is not triggered, it is in an open state, and when it is triggered, it is converted to a closed state.

[0065] Regardless of the above-mentioned setting method and shape of the conversion switch 600, for the control component, the conversion switch 600 can be used to determine the position of the slide plate 300, thereby realizing the conversion between the automatic operation mode (also called the electric operation mode) and the manual operation mode.

[0066] Of course, in order to ensure the stability of the position of the switch 600 and the slide plate 300 and prevent them from sliding easily, a retaining structure is also provided between the slide plate 300 and the periphery. Of course, the periphery here can be the box cover 401 or the upper cover 200 of the gear box.

[0067] The following uses two examples of retaining structures formed between the slide plate 300 and the upper cover 200 to introduce the retaining structures.

[0068] by Figure 4-6 For example, the retaining structure in this manner is that an elastic foot 304 extends from one side of the slide 300, and the elastic foot 304 is arranged in the first direction S1 of the slide 300. The first direction S1 is a direction perpendicular to the sliding direction of the slide 300. There are two limiting grooves on the rib 203a, namely the first limiting groove 204 and the second limiting groove 205, and the first limiting groove 204 and the second limiting groove 205 are arranged along the sliding direction of the slide 300. When the slide 300 slides, the elastic foot 304 can switch back and forth between the first limiting groove 204 and the second limiting groove 205. That is to say, when the elastic foot 304 is inserted into the first limiting groove 204, when the slide 300 slides toward the direction where the second limiting groove 205 is located, the elastic foot 304 will move out of the first limiting groove 204 until it is inserted into the second limiting groove 205 again. On the contrary, when the elastic foot 304 is inserted into the second limiting groove 205, when the slide plate 300 slides in the direction of the first limiting groove 204, the elastic foot 304 will move out of the second limiting groove 205 until it is inserted into the first limiting groove 204 again. Here, the elastic foot 304 and the limiting groove directly form a retaining structure (a structure that requires a certain amount of force to slide the slide plate 300), so that the slide plate 300 will not slide at a slight touch. Here, when the elastic foot 304 is in the first limiting groove 204, the slide plate 300 is exactly in the first position. When the elastic foot 304 is in the second limiting groove 205, the slide plate 300 is exactly in the second position.

[0069] by Figure 9-11For example, the retaining structure under this method is that both sides of the slide plate 300 have an elastic foot 304, and the elastic foot 304 here is respectively arranged in the first direction S1 and the second direction S2 of the slide plate 300. The first direction S1 and the second direction S2 here are both perpendicular to the sliding direction of the slide plate 300, and the first direction S1 and the second direction S2 are two opposite directions. In this method, the first limit groove 204 and the second limit groove 205 are respectively two groups, corresponding to the two elastic feet 304. As for the switching method of the elastic foot 304 in the limit groove and the corresponding state of the slide plate 300, it is similar to the previous embodiment and will not be repeated here.

[0070] Of course, the first limiting groove 204 and the second limiting groove 205 on the upper cover 200 can also be changed to be set on the box cover 401.

[0071] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine different embodiments or examples and features of different embodiments or examples described in this specification without contradiction.

[0072] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A manual-automatic switching structure of a reclosing circuit breaker, comprising a cover body and an upper cover; a bare hole is provided on the upper cover; and the characteristics are: It also includes an input shaft, a reduction gear box, a slide plate and a conversion switch arranged in a space formed by the cover body and the upper cover; the input shaft is rotatably arranged on the reduction gear box, and a handle socket is provided on one end of the input shaft, and the handle socket is located directly below the exposed hole; the slide plate is slidably arranged relative to the reduction gear box, and the slide plate has a first position and a second position; the conversion switch is within the movement trajectory of the slide plate, and there is a first relationship and a second relationship between the conversion switch and the slide plate, and the first relationship and the second relationship are two completely opposite relationships; when the slide plate is in the first position, it is blocked between the handle socket and the exposed hole, and the slide plate and the conversion switch present a first relationship; when the slide plate is in the second position, the handle socket and the exposed hole are connected, and the slide plate and the conversion switch present a second relationship.

2. The manual-automatic switching structure of a reclosing circuit breaker according to claim 1, characterized in that: The conversion switch is a travel switch or a micro switch, the first relationship is that the slide triggers the conversion switch, and the second relationship is that the slide is separated from the conversion switch; Alternatively, the conversion switch is a travel switch or a micro switch, the first relationship is that the slide plate is separated from the conversion switch, and the second relationship is that the slide plate triggers the conversion switch.

3. A manual-automatic switching structure for a reclosing circuit breaker according to claim 1 or 2, characterized in that: It also includes an elastic clamping foot, which is arranged on the skateboard and slides with the skateboard. A first limiting groove and a second limiting groove are provided in the movement trajectory of the elastic clamping foot. The elastic clamping foot switches back and forth between the first limiting groove and the second limiting groove as the skateboard moves; when the elastic clamping foot is in the first limiting groove, the corresponding skateboard is in the first position; when the elastic clamping foot is in the second limiting groove, the corresponding skateboard is in the second position.

4. The manual-automatic switching structure of a reclosing circuit breaker according to claim 3, characterized in that: The elastic clamping foot is arranged in a first direction of the slide plate, and the first direction is perpendicular to the sliding direction of the slide plate; Alternatively, there are two elastic clamping feet, which are respectively arranged in the first direction and the second direction of the slide board, the first direction and the second direction are opposite directions, the first direction and the second direction are both perpendicular to the sliding direction of the slide board, and each elastic clamping foot corresponds to a first limiting groove and a second limiting groove.

5. The manual-automatic switching structure of a reclosing circuit breaker according to claim 1, characterized in that: Two guide walls are formed on the upper cover, and the length direction of the guide walls is parallel to the sliding direction of the slide plate. The slide plate part is located between the two guide walls and is slidably arranged along the guide walls.

6. The manual-automatic switching structure of a reclosing circuit breaker according to claim 5, characterized in that: The upper cover is provided with ribs and / or grooves, and the guide wall is a part of the ribs and / or grooves.

7. The manual-automatic switching structure of a reclosing circuit breaker according to claim 1, characterized in that: The slide plate has a driving portion extending beyond the upper surface of the upper cover; or, the slide plate has a driving portion extending beyond the upper surface of the upper cover, a second through hole is formed on the driving portion, a first protrusion is formed on the upper cover, a first through hole is formed on the first protrusion, and when the slide plate is in the first position, the first protrusion is in contact with the driving portion, so that the first through hole and the second through hole are arranged closely together.

8. The manual-automatic switching structure of a reclosing circuit breaker according to claim 1, characterized in that: The reduction gearbox includes a box cover and a box seat. The box cover is provided with two travel through holes. The length direction of the travel through holes is parallel to the sliding direction of the slide plate. The slide plate has a slide rail extending into the corresponding travel through hole, and the slide rail is slidably arranged along the travel through hole.

9. The manual-automatic switching structure of a reclosing circuit breaker according to claim 8, characterized in that: The slide rail is provided with a hooking portion, which is hooked on the surface of the box cover away from the slide plate.

10. The manual-automatic switching structure of a reclosing circuit breaker according to claim 1, characterized in that: The reduction gearbox includes a box cover and a box seat, the upper surface of the box cover is provided with a mounting protrusion, and guide rails are provided on both sides of the mounting protrusion; there is a gap between the guide rail and the upper surface of the box cover; the slide plate covers the mounting protrusion, and the slide plate has a hook portion extending between the guide rail and the upper surface of the box cover, and the hook portion is slidably arranged along the guide rail.

Images