Manual operation mechanism and circuit breaker

Abstract

The utility model belongs to the technical field of low-voltage electric appliances, and discloses a manual operation mechanism and a circuit breaker. The manual operation mechanism comprises a base, a connecting piece and a rotating rod; the base is made of a plastic material; the connecting piece is connected to the base; the first end of the rotating rod is connected to the connecting piece, the rotating rod is made of metal, and the rotating rod can rotate around the Z axis so as to drive the connecting piece to rotate around the Z axis relative to the base. According to the manual operation mechanism, the stability of the rotating rod in the rotating process can be guaranteed, and the problem of shaking or shaking cannot occur; moreover, the problem of abrasion caused by direct connection of the rotating rod and the base can be avoided, so that the base and the rotating rod can be well protected, and the service life of the whole manual operation mechanism is further prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of low-voltage electrical appliances, in particular to a manual operating mechanism and a circuit breaker. Background Art

[0002] In the manual operating mechanism of a circuit breaker, in order to save costs, the base is usually made of plastic, but the rotating rod is made of metal. Therefore, it is very difficult to directly fix the metal rotating rod on the plastic base. Even if the rotating rod is directly installed on the base, it is very difficult to ensure the connection stability between the rotating rod and the base, resulting in problems such as shaking or wobbling of the rotating rod during rotation, and poor stability of the rotating rod during rotation; moreover, directly connecting the rotating rod to the base is likely to cause wear problems, affecting the service life of the entire manual operating mechanism.

[0003] Therefore, there is an urgent need for a manual operating mechanism and a circuit breaker to solve the above problems. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a manual operating mechanism and a circuit breaker, which can ensure the stability of the rotating rod during rotation and avoid wear problems caused by directly connecting the rotating rod to the base.

[0005] To achieve this purpose, the utility model adopts the following technical solutions:

[0006] A manual operating mechanism, comprising:

[0007] A base, the material of the base is plastic;

[0008] A connecting piece, connected to the base;

[0009] A rotating rod, its first end is connected to the connecting piece, the material of the rotating rod is metal, and the rotating rod can rotate around the Z-axis to drive the connecting piece to rotate around the Z-axis relative to the base.

[0010] As an optional solution, the material of the connecting piece is metal.

[0011] As an optional solution, the manual operating mechanism further comprises:

[0012] A sliding piece, which is rotatably connected to the base around the Z-axis, the connecting piece is connected to the sliding piece, and the material of the sliding piece is plastic;

[0013] An operating handle, connected to the second end of the rotating rod.

[0014] As an optional solution, a flat groove is provided on the sliding piece; the connecting piece comprises:

[0015] A mounting flat plate and a mounting bracket with shape matching, the mounting flat plate is limitedly arranged in the flat groove, and the mounting bracket is used to fix the rotating rod.

[0016] As an alternative, the mounting bracket includes:

[0017] A vertical plate, the vertical plate is connected to the mounting flat plate and is connected to the rotating rod.

[0018] As an alternative, the mounting bracket includes:

[0019] A mounting frame, which forms a square cavity inside, and the rotating rod is wrapped and fixedly connected to the square cavity.

[0020] As an alternative, the coupling member is arranged between the sliding member and the rotating rod, and the coupling member is fixedly connected to the rotating rod by a mounting fastener.

[0021] As an alternative, the coupling member includes:

[0022] A square tube, which is limit-mounted in the sliding member, a square through-hole is formed in the square tube, the first end of the rotating rod is inserted into the square through-hole, and the mounting fastener passes through the sliding member and is threadedly connected to the square tube so that the mounting fastener abuts against the first end of the rotating rod.

[0023] As an alternative, the coupling member includes:

[0024] A U-shaped plate, which is limit-mounted in the sliding member, and the first end of the rotating rod is placed inside the U-shaped plate, and the mounting fastener threadedly passes through the U-shaped plate and abuts against the first end of the rotating rod.

[0025] A circuit breaker, including a circuit breaker main body and the manual operating mechanism as described above, and the rotating rod is used to drive the position handle in the circuit breaker main body to rotate.

[0026] Beneficial effects:

[0027] The manual operating mechanism proposed by the present utility model fixes the rotating rod by connecting a connecting piece to the base and connecting the first end of the rotating rod to the connecting piece, so that when the rotating rod rotates around the Z-axis, it can drive the connecting piece to rotate around the Z-axis relative to the base to ensure the synchronous rotation of the connecting piece and the rotating rod; since the base is made of plastic and the rotating rod is made of metal, a connecting piece is added between the two different materials to fix the metal rotating rod on the plastic base through the connecting piece, ensuring the connection stability between the rotating rod and the base, thereby ensuring the stability of the rotating rod during rotation and preventing problems such as shaking or wobbling; moreover, by fixing the rotating rod with the connecting piece, it can also avoid wear problems caused by directly connecting the rotating rod to the base, thus better protecting the base and the rotating rod and improving the service life of the entire manual operating mechanism.

[0028] The circuit breaker proposed by the present utility model, since it includes the above-mentioned manual operating mechanism, can make the opening and closing of the circuit breaker more stable, thereby better ensuring the working stability and service life of the entire circuit breaker. Description of the Drawings

[0029] Figure 1 is a schematic structural diagram of the manual operating mechanism provided in the present utility model (the connecting piece includes a flat plate and a vertical plate); Figure 1 ;

[0030] Figure 2 is Figure 1 a partial enlarged structural diagram of the position A (the flat plate is not installed in the limit groove) in ;

[0031] Figure 3 is a schematic structural diagram of the first structure of the connecting piece provided in the present utility model (including a flat plate and a vertical plate);

[0032] Figure 4 is a schematic structural diagram of the manual operating mechanism provided in the present utility model (the connecting piece includes a mounting frame and a mounting plate); Figure 2 ;

[0033] Figure 5 is a schematic structural diagram of the present utility model when the mounting plate is not installed in the straight groove and the rotating rod is placed in the square cavity;

[0034] Figure 6 is a schematic structural diagram of the second structure of the connecting piece provided in the present utility model (including a mounting frame and a mounting plate);

[0035] Figure 7 is a schematic structural diagram of the manual operating mechanism provided in the present utility model (the connecting piece includes a square tube); Figure 3 ;

[0036] Figure 8 It is a schematic structural view when the square tube provided in the present utility model is not installed in the limit hole;

[0037] Figure 9 It is a schematic structural view of the third structure (including the square tube) of the connecting piece provided in the present utility model;

[0038] Figure 10 It is a schematic structural view of the manual operation mechanism (the connecting piece includes a U-shaped plate) provided in the present utility model Figure 4 ;

[0039] Figure 11 It is a schematic structural view when the U-shaped plate provided in the present utility model is not installed in the installation groove and the rotating rod is not placed in the U-shaped groove;

[0040] Figure 12 It is a schematic structural view of the fourth structure (including the U-shaped plate) of the connecting piece provided in the present utility model.

[0041] In the figure:

[0042] 1. Base; 2. Rotating rod; 21. First end; 22. Second end; 3. Operating handle;

[0043] 4. Sliding member; 41. Limit groove; 42. Installation groove; 43. Straight groove;

[0044] 51. Flat plate; 511. Limit through hole; 512. First installation threaded hole; 52. Vertical plate; 521. First threaded hole; 53. First fastener; 54. Second fastener;

[0045] 61. Square tube; 611. Square through hole; 612. Fourth threaded hole; 62. Fifth fastener;

[0046] 71. U-shaped plate; 711. Side plate; 712. Bottom plate; 713. U-shaped groove; 714. Fifth threaded hole; 715. Third installation threaded hole; 72. Sixth fastener; 73. Seventh fastener;

[0047] 81. Installation frame; 811. Square cavity; 812. Third threaded hole; 813. Third installation through hole; 82. Installation plate; 821. Second installation threaded hole; 83. Third fastener; 84. Fourth fastener. Detailed implementation manners

[0048] The present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, rather than limiting the present utility model. Additionally, it should be noted that for the sake of description, only parts related to the present utility model are shown in the drawings, rather than all the structures.

[0049] In the description of the present utility model, unless otherwise clearly defined and limited, the terms "connected", "connected to", and "fixed" shall be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements or the interaction relationship between two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0050] In the present utility model, unless otherwise clearly defined and limited, the first feature being "above" or "below" the second feature may include the direct contact between the first and second features, or may include the situation where the first and second features are not in direct contact but in contact through other features therebetween. Moreover, the first feature being "above", "over", and "on top of" the second feature includes that the first feature is directly above and obliquely above the second feature, or merely indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature being "below", "beneath", and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or merely indicates that the horizontal height of the first feature is lower than that of the second feature.

[0051] In the description of this embodiment, the orientation or positional relationships such as "above", "below", "left", and "right" are based on the orientation or positional relationships shown in the drawings, and are only for the convenience of description and simplifying the operation, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as a limitation to the present utility model. In addition, the terms "first" and "second" are only used for distinction in description and have no special meanings.

[0052] In this embodiment, a manual operating mechanism and a circuit breaker including the manual operating mechanism are provided. The circuit breaker further includes a circuit breaker body. The manual operating mechanism is used to drive the position handle in the circuit breaker body to rotate, so as to realize the stable opening and closing of the circuit breaker through the rotation of the position handle; and, the working stability of the manual operating mechanism is relatively good and the service life is relatively high, thereby being able to better ensure the working stability and service life of the entire circuit breaker. In this embodiment, the circuit breaker may specifically be a molded case circuit breaker.

[0053] Specifically, as Figures 1 to 12As shown in the figure, the manual operating mechanism includes a base 1, a connecting piece, and a rotating rod 2. Among them, the base 1 is made of plastic material; the connecting piece is connected to the base 1; the first end 21 of the rotating rod 2 is connected to the connecting piece to fix the rotating rod 2 through the connecting piece. The rotating rod 2 is made of metal material and can rotate around the Z-axis to drive the connecting piece to rotate around the Z-axis relative to the base 1, so as to ensure the synchronous rotation of the connecting piece and the rotating rod 2. Thus, the position handle can be driven to rotate to the opening position or the closing position by the rotation of the rotating rod 2, so as to realize the opening and closing of the circuit breaker.

[0054] Compared with the prior art, the manual operating mechanism in this embodiment adds a connecting piece for fixing the rotating rod 2. By arranging a connecting piece between the base 1 made of plastic material and the rotating rod 2 made of metal material, the connecting piece fixes the rotating rod 2 made of metal material on the base 1 made of plastic material, ensuring the connection stability between the rotating rod 2 and the base 1, so as to ensure the stability of the rotating rod 2 during the rotation process and avoid problems such as shaking or wobbling. And by fixing the rotating rod 2 through the connecting piece, the wear problem caused by directly connecting the rotating rod 2 and the base 1 can also be avoided, so as to better protect the base 1 and the rotating rod 2, and further improve the service life of the entire manual operating mechanism.

[0055] Furthermore, the connecting piece is made of metal material, that is, both the connecting piece and the rotating rod 2 are made of metal material, which can make the fixing effect of the connecting piece on the rotating rod 2 more stable and better ensure the stability of the rotating rod 2 during the rotation process. And it can reduce the wear between the rotating rod 2 and the connecting piece, further improving the service life of the entire manual operating mechanism.

[0056] Specifically, as Figures 1 to 12 shown in the figure, the manual operating mechanism further includes a sliding member 4 and an operating handle 3. Among them, the sliding member 4 is rotatably connected to the inside of the base 1 around the Z-axis, the connecting piece is connected to the sliding member 4, the sliding member 4 is connected to the above-mentioned position handle, and the sliding member 4 is made of plastic material to ensure the connection stability and rotational smoothness of the sliding member 4 inside the base 1. The operating handle 3 is connected to the second end 22 of the rotating rod 2. Among them, the sliding member 4 can specifically be a block structure.

[0057] Specifically, when the operating handle 3 is rotated, the operating handle 3 can drive the rotating rod 2 to rotate around the Z-axis, so that the rotating rod 2 drives the connecting piece and the sliding member 4 to rotate around the Z-axis as a whole inside the base 1, thereby driving the position handle to rotate through the sliding member 4, so that the position handle rotates to the opening position or the closing position.

[0058] It should be noted that on the one hand, the rotating rod 2 can transmit the power of the operating handle 3 to the sliding member 4 to drive the position handle to rotate through the sliding member 4; on the other hand, the rotating rod 2 has an extension function to realize the extension use of the operating handle 3, making the applicable scenarios of the manual operating mechanism more extensive and the applicable flexibility better. Among them, the length of the rotating rod 2 can be 200mm - 300mm.

[0059] As Figures 1 to 6 shown, the first structure and the second structure of the coupling member are described in detail below:

[0060] Furthermore, a flat groove is provided on the sliding member 4; the coupling member includes a mounting flat plate and a mounting bracket with matching shapes. The mounting flat plate is limited in the flat groove, and the mounting bracket is used to fix the rotating rod 2.

[0061] The first structure of the coupling member is described in detail below: As Figures 1 to 3 shown, the mounting bracket includes a vertical plate 52, and the vertical plate 52 is connected to the mounting flat plate and connected to the rotating rod 2.

[0062] Specifically, as Figures 1 to 3 shown, the mounting flat plate is a flat plate 51, the flat groove is a limiting groove 41, and the flat plate 51 is limited in the limiting groove 41 so as to be able to limit the flat plate 51 on the sliding member 4; and a limiting through hole 511 is provided on the flat plate 51, and the first end 21 of the rotating rod 2 is limited to pass through the limiting through hole 511 so as to be able to limit the rotating rod 2 on the flat plate 51. Among them, the flat plate 51 can be a polygonal flat plate.

[0063] Specifically, as Figures 1 to 3 shown, the above-mentioned vertical plate 52 protrudes from the flat plate 51 along the Z-axis. The vertical plate 52 is located on one side of the limiting through hole 511, that is, the vertical plate 52 is located on one side of the rotating rod 2. A first threaded hole 521 is provided on the vertical plate 52; and, the manual operating mechanism further includes a first fastener 53. The first fastener 53 is threaded through the first threaded hole 521 and abuts against the first end 21 of the rotating rod 2 to realize the fixed connection between the rotating rod 2 and the vertical plate 52, so as to be able to fixedly connect the first end 21 of the rotating rod 2 to the flat plate 51, and further be able to ensure the stable connection between the rotating rod 2 and the coupling member. Among them, the first fastener 53 can specifically be a bolt or a screw.

[0064] By threading the first fastener 53 through the first threaded hole 521 and abutting it against the first end 21 of the rotating rod 2, the threaded connection degree of the first fastener 53 in the first threaded hole 521 can be adjusted, thereby adjusting the abutting degree of the first fastener 53 against the first end 21 of the rotating rod 2, and further adjusting the fixed cooperation degree between the rotating rod 2 and the vertical plate 52. In other embodiments, the first fastener 53 can also be threaded through the first threaded hole 521 and threadedly connected to a second threaded hole on the first end 21 of the rotating rod 2 to achieve a fixed connection between the rotating rod 2 and the vertical plate 52.

[0065] Further, as Figure 1 and Figure 2 shown, the flat plate 51 and the sliding member 4 are connected by a second fastener 54 to ensure a fixed connection between the flat plate 51 and the sliding member 4. Among them, the second fastener 54 can specifically be a screw.

[0066] Specifically, as Figures 1 to 3 shown, a first mounting through-hole is provided on the sliding member 4, and a first mounting threaded hole 512 is further provided on the flat plate 51. The second fastener 54 is fixed through the first mounting through-hole on the sliding member 4 and the first mounting threaded hole 512 on the flat plate 51, thereby achieving a fixed connection between the flat plate 51 and the sliding member 4.

[0067] Specifically, as Figures 1 to 3 shown, a plurality of second fasteners 54, first mounting through-holes, and first mounting threaded holes 512 are respectively provided, and a second fastener 54, a first mounting through-hole, and a first mounting threaded hole 512 are correspondingly arranged to better achieve a fixed connection between the flat plate 51 and the sliding member 4. In this embodiment, two second fasteners 54, first mounting through-holes, and first mounting threaded holes 512 are respectively provided, and the specific number of settings of the second fasteners 54, first mounting through-holes, and first mounting threaded holes 512 is not limited.

[0068] The assembly process between the first structure of the above-mentioned coupling member and the sliding member 4, the rotating rod 2, and the operating handle 3 is as follows:

[0069] First, place the flat plate 51 in the limit groove 41 of the sliding member 4; then, pass the second fastener 54 through the first mounting through-hole on the sliding member 4 and the first mounting threaded hole 512 on the flat plate 51 to fixedly connect the flat plate 51 and the sliding member 4; then, pass the first end 21 of the rotating rod 2 through the limit through-hole 511 on the flat plate 51; then, pass the first fastener 53 through the first threaded hole 521 on the vertical plate 52 and abut it against the rotating rod 2 in the limit through-hole 511 to fixedly connect the rotating rod 2 and the vertical plate 52; finally, install the operating handle 3 on the second end 22 of the rotating rod 2.

[0070] The second structure of the coupling member is described in detail as follows: As Figures 4 to 6 shown, the mounting bracket includes a mounting frame 81, and a square cavity 811 is formed inside the mounting frame 81. The rotating rod 2 is tightly connected and wrapped inside the square cavity 811.

[0071] Specifically, as Figures 4 to 6 shown, the mounting plate is a mounting board 82. Mounting boards 82 are respectively bent and connected to opposite ends of the mounting frame 81. The flat plate groove is a straight groove 43, and the mounting board 82 is limited in the straight groove 43 so as to be able to limit the coupling member on the sliding member 4; and the first end 21 of the rotating rod 2 is placed inside the square cavity 811 of the mounting frame 81 so as to be able to limit the rotating rod 2 on the mounting frame 81.

[0072] Specifically, as Figures 4 to 6 shown, a third threaded hole 812 and a third mounting through hole 813 are respectively provided on the mounting frame 81, and the third threaded hole 812 and the third mounting through hole 813 are coaxially arranged; and, the manual operating mechanism further includes a third fastener 83. The third fastener 83 passes through the third mounting through hole 813 and is threadedly connected to the third threaded hole 812 so as to fix the rotating rod 2 in the square cavity 811, thereby being able to fixedly connect the first end 21 of the rotating rod 2 to the mounting frame 81, and further being able to ensure a stable connection between the rotating rod 2 and the coupling member. Among them, the third fastener 83 can specifically be a bolt or a screw.

[0073] By making the third fastener 83 pass through the third mounting through hole 813 and be threadedly connected to the third threaded hole 812, the threaded connection degree of the third fastener 83 in the third threaded hole 812 can be adjusted, thereby adjusting the tightening degree of the third fastener 83 on the mounting frame 81, adjusting the size of the square cavity 811, being able to adjust the tightening degree of the first end 21 of the rotating rod 2 in the square cavity 811, and further adjusting the fixed matching degree between the rotating rod 2 and the mounting frame 81.

[0074] Furthermore, as Figure 4 and Figure 5 shown, the mounting board 82 and the sliding member 4 are connected by a fourth fastener 84 so as to be able to ensure a fixed connection between the mounting board 82 and the sliding member 4. Among them, the fourth fastener 84 can specifically be a screw.

[0075] Specifically, as Figures 4 to 6 shown, a fourth mounting through hole is provided on the sliding member 4, and a second mounting threaded hole 821 is provided on the mounting board 82. The fourth fastener 84 is fixed through the fourth mounting through hole on the sliding member 4 and the second mounting threaded hole 821 on the mounting board 82, thereby realizing a fixed connection between the mounting board 82 and the sliding member 4.

[0076] Specifically, a plurality of fourth fasteners 84, fourth mounting through holes, and second mounting threaded holes 821 may be respectively provided, and one fourth fastener 84, one fourth mounting through hole, and one second mounting threaded hole 821 are correspondingly arranged to better achieve the fixed connection between the mounting plate 82 and the sliding member 4. In this embodiment, as Figures 4 to 6 shown, one fourth fastener 84, one fourth mounting through hole, and one second mounting threaded hole 821 are respectively provided on each mounting plate 82, and the specific number of settings of the fourth fastener 84, the fourth mounting through hole, and the second mounting threaded hole 821 is not limited.

[0077] The assembly process between the second structure of the above-mentioned coupling member and the sliding member 4, the rotating rod 2, and the operating handle 3 is as follows:

[0078] First, place the mounting plate 82 in the straight groove 43 of the sliding member 4; then, pass the fourth fastener 84 through the fourth mounting through hole on the sliding member 4 and the second mounting threaded hole 821 on the mounting plate 82 to fixedly connect the mounting plate 82 and the sliding member 4; then, insert the first end 21 of the rotating rod 2 into the square cavity 811 on the mounting frame 81; then, pass the third fastener 83 through the third mounting through hole 813 on the mounting frame 81 and thread it into the third threaded hole 812 to fixedly press the rotating rod 2 against the square cavity 811; finally, install the operating handle 3 on the second end 22 of the rotating rod 2.

[0079] The following will describe in detail the third structure and the fourth structure of the coupling member:

[0080] Furthermore, as Figures 7 to 12 shown, the coupling member is arranged between the sliding member 4 and the rotating rod 2, and the coupling member is fixedly connected to the rotating rod 2 by a mounting fastener.

[0081] The following will describe in detail the third structure of the coupling member: As Figures 7 to 9 shown, the coupling member includes a square tube 61, the square tube 61 is limitedly installed in the limiting hole of the sliding member 4, a square through hole 611 is formed in the square tube 61, and the first end 21 of the rotating rod 2 is inserted into the square through hole 611 to be able to limit the rotating rod 2 on the square tube 61; and the mounting fastener passes through the sliding member 4 and is threadedly connected to the square tube 61 so that the mounting fastener abuts against the first end 21 of the rotating rod 2.

[0082] Specifically, as Figures 7 to 9As shown in the figure, a limiting hole and a mounting hole that communicate with each other are respectively provided on the sliding member 4; moreover, the square tube 61 is limited and mounted in the limiting hole so as to be able to limit the square tube 61 on the sliding member 4. A fourth threaded hole 612 is provided on the square tube 61; moreover, the mounting fastener is a fifth fastener 62. The fifth fastener 62 passes through the mounting hole on the sliding member 4 and is threadedly connected into the fourth threaded hole 612 so that the fifth fastener 62 abuts against the first end 21 of the rotating rod 2, thereby realizing the fixed connection between the rotating rod 2 and the square tube 61 and between the sliding member 4 and the square tube 61, and thus being able to fixedly connect the first end 21 of the rotating rod 2 to the square tube 61, and further being able to ensure the stable connection between the rotating rod 2 and the coupling member. Among them, the fifth fastener 62 can specifically be a bolt or a screw.

[0083] By threadedly connecting the fifth fastener 62 into the fourth threaded hole 612 and abutting against the first end 21 of the rotating rod 2, the threaded connection degree of the fifth fastener 62 in the fourth threaded hole 612 can be adjusted, thereby adjusting the abutting degree of the fifth fastener 62 against the first end 21 of the rotating rod 2, and further adjusting the fixed matching degree between the rotating rod 2 and the square tube 61. In other embodiments, the fifth fastener 62 can also be threadedly connected to the fourth threaded hole 612 and threadedly connected into the second threaded hole on the first end 21 of the rotating rod 2 to realize the fixed connection between the rotating rod 2 and the square tube 61.

[0084] The assembly process between the third structure of the above-mentioned coupling member and the sliding member 4, the rotating rod 2, and the operating handle 3 is as follows:

[0085] First, place the square tube 61 in the limiting hole of the sliding member 4; then, pass the first end 21 of the rotating rod 2 through the square through-hole 611 on the square tube 61; afterwards, pass the fifth fastener 62 through the mounting hole on the sliding member 4 and threadedly connect it to the fourth threaded hole 612 on the square tube 61, and thread the fifth fastener 62 through the fourth threaded hole 612 and then abut it against the first end 21 of the rotating rod 2 to fixedly connect between the rotating rod 2 and the square tube 61 and between the square tube 61 and the sliding member 4; finally, install the operating handle 3 on the second end 22 of the rotating rod 2.

[0086] The following details the fourth structure of the coupling member: The coupling member includes a U-shaped plate 71. The U-shaped plate 71 is limitedly arranged in the sliding member 4, and the first end 21 of the rotating rod 2 is placed inside the U-shaped plate 71, and the mounting fastener threadedly passes through the U-shaped plate 71 and abuts against the first end 21 of the rotating rod 2.

[0087] Specifically, as Figures 10 to 12As shown, the U-shaped plate 71 is limited and arranged in the installation groove 42 of the sliding member 4 so that the U-shaped plate 71 can be limited on the sliding member 4; and the first end 21 of the rotating rod 2 is placed in the U-shaped groove 713 of the U-shaped plate 71 so that the rotating rod 2 can be limited on the U-shaped plate 71.

[0088] Further, as Figures 10 to 12 shown, a fifth threaded hole 714 is provided on one side plate 711 of the U-shaped plate 71; and the installation fastener is a sixth fastener 72. The sixth fastener 72 is threaded through the fifth threaded hole 714 and abuts against the first end 21 of the rotating rod 2 to achieve the fixed connection between the rotating rod 2 and the U-shaped plate 71, so that the first end 21 of the rotating rod 2 can be fixedly connected to the U-shaped plate 71, and further the stable connection between the rotating rod 2 and the connecting member can be ensured. Among them, the sixth fastener 72 can specifically be a bolt or a screw.

[0089] By threading the sixth fastener 72 through the fifth threaded hole 714 and abutting against the first end 21 of the rotating rod 2, the threaded connection degree of the sixth fastener 72 in the fifth threaded hole 714 can be adjusted, so as to adjust the abutting degree of the sixth fastener 72 against the first end 21 of the rotating rod 2, and further adjust the fixed matching degree between the rotating rod 2 and the U-shaped plate 71. In other embodiments, the sixth fastener 72 can also be threaded through the fifth threaded hole 714 and threadedly connected to the second threaded hole on the first end 21 of the rotating rod 2 to achieve the fixed connection between the rotating rod 2 and the U-shaped plate 71.

[0090] Further, as Figures 10 to 12 shown, the U-shaped plate 71 is connected to the sliding member 4 through a seventh fastener 73 to ensure the fixed connection between the U-shaped plate 71 and the sliding member 4. Among them, the seventh fastener 73 can specifically be a screw.

[0091] Specifically, as Figures 10 to 12 shown, a second installation through hole is further provided on the sliding member 4. The second installation through hole is located in the installation groove 42. A third installation threaded hole 715 is provided on the bottom plate 712 of the U-shaped plate 71. The seventh fastener 73 is fixed through the second installation through hole on the sliding member 4 and the third installation threaded hole 715 on the U-shaped plate 71, so as to achieve the fixed connection between the U-shaped plate 71 and the sliding member 4.

[0092] The assembly processes between the fourth structure of the above-mentioned connecting member and the sliding member 4, the rotating rod 2, and the operating handle 3 are as follows:

[0093] First, place the U-shaped plate 71 into the installation groove 42 of the slider 4; then, pass the seventh fastener 73 through the second installation through-hole on the slider 4 and the third installation threaded hole 715 on the bottom plate 712 of the U-shaped plate 71 to fixedly connect the U-shaped plate 71 and the slider 4; then, pass the first end 21 of the rotating rod 2 through the U-shaped groove 713 on the U-shaped plate 71; after that, pass the sixth fastener 72 through the fifth threaded hole 714 on the side plate 711 of the U-shaped plate 71 and press it against the rotating rod 2 in the U-shaped groove 713 to fixedly connect the rotating rod 2 and the U-shaped plate 71; finally, install the operating handle 3 to the second end 22 of the rotating rod 2.

[0094] In the manual operating mechanism of this embodiment, by adding a connecting piece for fixing the rotating rod 2, while ensuring the stability of the rotating rod 2 during rotation, the wear between the rotating rod 2 and the slider 4 can be reduced; and the connecting piece is made of metal material, which can better ensure the rotational stability of the rotating rod 2 and reduce the wear between the rotating rod 2 and the connecting piece; moreover, through the above four connecting piece structures, the types of the connecting piece structures are relatively many, so that the appropriate connecting piece structure can be selected according to the structures of different sliders 4 or different usage requirements, making the applicability and flexibility of the entire manual operating mechanism better.

[0095] Obviously, the above embodiments of the present invention are only examples for clearly explaining the present invention, rather than limitations on the implementation manners of the present invention. For those of ordinary skill in the art, various obvious changes, re-adjustments and substitutions can be made without departing from the protection scope of the present invention. It is not necessary and impossible to enumerate all the implementation manners here. Any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the claims of the present invention.

Claims

1. Manual operating mechanism, characterized in that: include: A base (1), wherein the base (1) is made of plastic; A connecting member connected to the base (1); A rotating rod (2), whose first end (21) is connected to the connecting piece, is made of metal and is capable of rotating around the Z axis to drive the connecting piece to rotate around the Z axis relative to the base (1).

2. The manual operating mechanism according to claim 1, characterized in that: The connecting piece is made of metal.

3. The manual operating mechanism according to claim 1, characterized in that: The manual operating mechanism also includes: A sliding member (4) is connected to the base (1) so as to rotate around a Z axis, the connecting member is connected to the sliding member (4), and the sliding member (4) is made of plastic; An operating handle (3) is connected to the second end (22) of the rotating rod (2).

4. The manual operating mechanism according to claim 3, characterized in that: The sliding member (4) is provided with a flat groove; the connecting member comprises: A mounting plate and a mounting frame of matching shapes, the mounting plate being limitedly arranged in the plate groove, and the mounting frame being used to fix the rotating rod (2).

5. The manual operating mechanism according to claim 4, characterized in that: The mounting frame comprises: A vertical plate (52), the vertical plate (52) is connected to the mounting plate and connected to the rotating rod (2).

6. The manual operating mechanism according to claim 4, characterized in that: The mounting frame comprises: The mounting frame (81) has a square cavity (811) formed therein, and the rotating rod (2) is wrapped and fastened in the square cavity (811).

7. The manual operating mechanism according to claim 3, characterized in that: The connecting piece is arranged between the sliding piece (4) and the rotating rod (2), and the connecting piece and the rotating rod (2) are fixedly connected by a mounting fastener.

8. The manual operating mechanism according to claim 7, characterized in that: The coupling member comprises: A square tube (61) is installed in a limited position in the sliding member (4), a square through hole (611) is formed in the square tube (61), the first end (21) of the rotating rod (2) is inserted into the square through hole (611), and the installation fastener passes through the sliding member (4) and is threadedly connected to the square tube (61), so that the installation fastener abuts against the first end (21) of the rotating rod (2).

9. The manual operating mechanism according to claim 7, characterized in that: The coupling member comprises: A U-shaped plate (71) is limitedly arranged in the sliding member (4), and the first end (21) of the rotating rod (2) is placed in the U-shaped plate (71), and the mounting fastener is threadedly passed through the U-shaped plate (71) and abuts against the first end (21) of the rotating rod (2).

10. A circuit breaker, characterized in that It comprises a circuit breaker body and a manual operating mechanism as claimed in any one of claims 1 to 9, wherein the rotating rod (2) is used to drive a position handle in the circuit breaker body to rotate.

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