A lever type wiring structure

Abstract

The present invention relates to the technical field of circuit breakers, and more specifically, to a lever-type wiring structure, comprising a cover body, a bottom plate being provided at the bottom of the cover body, two wiring holes being provided at the top of the outer wall at one end of the cover body, two bolt holes being provided at the bottom of the outer wall at one end of the cover body, an external wiring being provided at the outside of the wiring hole, and a bolt being provided at the outside of the bolt hole; two wiring terminals being provided at the top of the interior of the cover body, a wiring frame being provided at the interior of the cover body between the wiring terminals and the external wiring, and an internal wiring being connected at one end of the external wiring close to the wiring terminal. In the design of the present invention, the rocker lever is turned over by turning the bolt, and then the internal wiring is pressed against the wiring terminal, so as to ensure the convenience of opening and closing the switch, the limit of the bolt ensures the fixation of the rocker lever, so that the rocker lever presses and fixes the internal wiring, and the spring sheet can ensure the reset of the rocker lever, so as to facilitate the extraction of the external wiring, and avoid friction damage between the external wiring and the top of the rocker lever when the external wiring is extracted.

Description

Technical Field

[0001] The present invention relates to the technical field of circuit breakers, in particular to a lever type wiring structure. Background Art

[0002] A circuit breaker is a switch device that can close, carry and disconnect current under normal circuit conditions and can close, carry and disconnect current under abnormal circuit conditions within a specified time. The wiring structure of existing circuit breakers generally uses a spring clip to compress and loosen one end of the external wiring to achieve the closing and opening of the switch. This method is not convenient when opening and closing the switch. The wiring needs to be inserted with force, and the elasticity of the spring clip decreases, which can easily cause the wiring terminal to loosen. The fixation of the wiring terminal is not stable enough, affecting the closing of the switch. In addition, long-term plugging and unplugging of the external wiring will cause wear and tear, affecting the service life of the wiring structure. Summary of the invention

[0003] The object of the present invention is to provide a lever type wiring structure to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the present invention provides a lever-type wiring structure, including a cover body, a bottom plate is provided at the bottom of the cover body, two wiring holes are provided on the upper side of the outer wall of one end of the cover body, two bolt holes are provided on the lower side of the outer wall of one end of the cover body, an external wiring is provided on the outer side of the wiring hole, and a bolt is provided on the outer side of the bolt hole; two wiring terminals are provided on the upper side of the interior of the cover body, a wiring frame is provided inside the cover body between the wiring terminals and the external wiring, an internal wiring is connected to one end of the external wiring close to the wiring terminal; the wiring frame is a rectangular structure with a hollow interior and openings on both sides, A positioning block is tightly welded on one side of the wiring frame close to the bolt hole, a threaded hole is opened in the middle of the positioning block, one end of the bolt is threadedly connected to the threaded hole, one end of the internal wire passes through the opening and extends into the interior of the wiring frame, one end of the terminal also passes through the opening and extends into the interior of the wiring frame, the internal wire is located below the terminal, a rocker lever is provided at the bottom of the internal wire, a return spring is provided on the side of the rocker lever away from the bolt, the bolt can be rotatably screwed into the threaded hole and push the rocker lever to rotate, and the top of the rocker lever can push the internal wire upward and fit and press it against the terminal.

[0005] Preferably, the bottom of the positioning bin is tightly fitted to the base plate.

[0006] Preferably, the external wiring and the internal wiring are an integrally formed structure.

[0007] Preferably, the rocker lever includes an upper arm located at the top and a lower arm located at the bottom, a connecting end is arranged between the upper arm and the lower arm, two sides of the connecting end are respectively connected to the upper arm and the lower arm, two ends of the connecting end are provided with axial holes, a fixed shaft is rotatably connected inside the axial hole, the length of the fixed shaft is greater than the length of the axial hole, circular holes are arranged on the inner walls on both sides of the positioning bin near the fixed shaft, and the fixed shaft is plugged into the circular holes.

[0008] Preferably, the connecting end, the upper arm and the lower arm are an integrally formed structure.

[0009] Preferably, the angle between the upper arm and the lower arm is 120-150°.

[0010] Preferably, the return spring includes a vertically arranged fixing plate, a spring plate is vertically arranged on one side of the fixing plate close to the bolt, a connecting plate is arranged between the spring plate and the top of the fixing plate, the connecting plate is an arc-shaped structure, and its two ends are respectively connected to the spring plate and the fixing plate.

[0011] Preferably, the fixing plate, the spring sheet and the connecting plate are an integrally formed structure.

[0012] Preferably, both sides of the bottom of the fixing plate are provided with outwardly protruding positioning plates, and the positioning plates are tightly fitted with the inner wall of the wiring frame.

[0013] Preferably, the top of the connection terminal is tightly fitted with the top inner wall of the cover body.

[0014] Compared with the prior art, the present invention has the following beneficial effects:

[0015] 1. In the lever-type wiring structure, the rocker arm lever is flipped by twisting the bolt, and then the internal wiring is pressed against the wiring terminal to ensure that the switch is easy to open and close.

[0016] 2. In the lever-type wiring structure, the rocker arm lever can be fixed by limiting the position of the rocker arm lever with bolts, thereby pressing and fixing the internal wiring of the rocker arm lever to avoid looseness.

[0017] 3. In the lever-type wiring structure, the spring piece can ensure that the rocker arm lever is reset when the switch is disconnected, so as to facilitate the extraction of the external wire and avoid friction damage between the external wire and the top of the rocker arm lever when the external wire is extracted. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a schematic diagram of the overall structure of the present invention in the ON state;

[0019] Figure 2 This is a schematic diagram of the overall structure of the present invention in the OFF state;

[0020] Figure 3 It is a schematic diagram of the overall explosion structure of the present invention;

[0021] Figure 4 It is a schematic diagram of a partial explosion structure of the present invention;

[0022] Figure 5 This is a schematic diagram of the internal connection of the present invention in the ON state;

[0023] Figure 6 This is a schematic diagram of the internal connection of the present invention in the OFF state;

[0024] Figure 7 It is a schematic diagram of the explosion structure of the rocker lever in the present invention;

[0025] Figure 8 It is a schematic diagram of the explosion structure of the return spring in the present invention.

[0026] In the figure: 1, cover; 11, wiring hole; 12, bolt hole; 2, bottom plate; 3, bolt; 4, external wiring; 41, internal wiring; 5, wiring frame; 51, round hole; 52, opening; 53, positioning block; 531, threaded hole; 6, wiring terminal; 7, rocker lever; 71, upper arm; 72, lower arm; 73, connecting end; 731, shaft hole; 74, fixed shaft; 8, return spring; 81, fixing plate; 811, positioning plate; 82, spring piece; 83, connecting plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0028] In the description of the present invention, 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" 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 invention 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 invention.

[0029] The present invention provides a lever type wiring structure, such as Figure 1-Figure 8As shown, it includes a cover body 1, a bottom plate 2 is provided at the bottom of the cover body 1, two wiring holes 11 are provided on the upper side of the outer wall of one end of the cover body 1 for wiring entry, two bolt holes 12 are provided on the lower side of the outer wall of one end of the cover body 1, an external wiring 4 is provided on the outer side of the wiring hole 11, and a bolt 3 is provided on the outer side of the bolt hole 12; two wiring terminals 6 are provided on the upper side of the inside of the cover body 1, a wiring frame 5 is provided inside the cover body 1 between the wiring terminals 6 and the external wiring 4, and an end of the external wiring 4 close to the wiring terminal 6 is connected to the internal wiring 41; the wiring frame 5 is a rectangular structure with a hollow interior and openings 52 on both sides, a positioning block 53 is tightly welded to one side of the wiring frame 5 close to the bolt hole 12, a threaded hole 531 is provided in the middle of the positioning block 53, and one end of the bolt 3 is threadedly connected to the threaded hole 531, which can The bolt 3 can be limited in position, and at the same time, the bolt 3 can be moved into the wiring frame 5 by screwing it. One end of the internal wire 41 passes through the opening 52 and extends into the interior of the wiring frame 5. One end of the terminal 6 also passes through the opening 52 and extends into the interior of the wiring frame 5. The internal wire 41 is located below the terminal 6. A rocker lever 7 is provided at the bottom of the internal wire 41. A reset spring 8 is provided on the side of the rocker lever 7 away from the bolt 3. The bolt 3 can be rotated and screwed into the threaded hole 531 and push the rocker lever 7 to rotate. The top of the rocker lever 7 can push the internal wire 41 upward and fit and press it against the terminal 6. When the bolt 3 is screwed in the opposite direction, it moves outward and loosens the rocker lever 7. The rocker lever 7 is restored to its original position by the reset spring 8. At this time, the external wire 4 is pulled out to achieve circuit breaking.

[0030] Specifically, the bottom of the wiring frame 5 is tightly fitted to the bottom plate 2 to ensure that the wiring frame 5 is fixed.

[0031] In addition, the external wire 4 and the internal wire 41 are an integrally formed structure, which can facilitate the hand to hold the external wire and thus control the movement of the internal wire 41 in the wire frame 5.

[0032] Furthermore, the rocker lever 7 includes an upper arm 71 located at the top and a lower arm 72 located at the bottom, a connecting end 73 is provided between the upper arm 71 and the lower arm 72, the two sides of the connecting end 73 are respectively connected to the upper arm 71 and the lower arm 72, an axial hole 731 is provided at both ends of the connecting end 73, a fixed shaft 74 is rotatably connected inside the axial hole 731, the length of the fixed shaft 74 is greater than the length of the axial hole 731, and circular holes 51 are provided on the inner walls of both sides of the positioning bin 5 near the fixed shaft 74, and the fixed shaft 74 is plugged into the circular holes 51.

[0033] Furthermore, when the lower arm 72 is pushed by the bolt 3 on one side, the entire rocker lever 7 will rotate around the fixed shaft 74 as the axis, thereby flipping the upper arm 71 upward, so that one end of the upper arm 71 is against the bottom surface of the internal wire 41, thereby pressing the internal wire 41 against the terminal 6, and the ON state is achieved; when the bolt 3 is removed, the other side of the lower arm 72 is acted upon by the return spring 8, so that the entire rocker lever 7 rotates in the opposite direction around the fixed shaft 74 as the axis, thereby flipping the upper arm 71 downward, so that one end of the upper arm 71 leaves the bottom surface of the internal wire 41, and the external wire 4 can be pulled out, achieving the OFF state.

[0034] Furthermore, the connecting end 73, the upper arm 71 and the lower arm 72 are an integrally formed structure, which ensures that the overall structure is stable and not prone to breakage.

[0035] Furthermore, the angle between the upper arm 71 and the lower arm 72 is 120-150°, preferably 150° in the present embodiment, so that when the bolt 3 pushes the rocker lever 7, the upper arm 71 just presses against the bottom surface of the inner wire 41 with moderate pressure, thereby achieving the ON state.

[0036] Furthermore, the reset spring 8 is made of copper and has an overall U-shaped structure with good elasticity. The reset spring 8 includes a vertically arranged fixing plate 81, a spring plate 82 is vertically arranged on one side of the fixing plate 81 close to the bolt 3, a connecting plate 83 is arranged between the spring plate 82 and the top of the fixing plate 81, and the connecting plate 83 is an arc-shaped structure, and the two ends are respectively connected to the spring plate 82 and the fixing plate 81. When one side of the rocker arm lever 7 is pushed by the bolt 3, the lower arm 72 will flip over to compress the spring plate 82. When one side of the rocker arm lever 7 loses the push of the bolt 3, the spring plate 82 will push the lower arm 72 back due to the elastic action, thereby realizing the return of the rocker arm lever 7.

[0037] Furthermore, the fixing plate 81, the spring plate 82 and the connecting plate 83 are an integrally formed structure, which can ensure that the overall structure of the reset spring 8 is stable and not easily damaged.

[0038] Furthermore, outwardly protruding positioning pieces 811 are provided on both sides of the bottom of the fixing piece 81, and the positioning pieces 811 are tightly welded to the inner wall of the positioning chamber 5 to ensure the fixation of the fixing piece 81 and avoid movement caused by external force.

[0039] Furthermore, the top of the wiring terminal 6 is tightly fitted with the top inner wall of the cover body 1, so as to ensure that the wiring terminal 6 is fixed and avoid sliding in the positioning chamber 5 to affect the wiring operation.

[0040] When the lever-type wiring structure of this embodiment is in use, first, the internal wiring 41 at one end of the external wiring 4 is inserted into the wiring hole 11, and then the bolt 3 is rotated by an external screwdriver matching the bolt 4 to move the bolt 3 inward, and one end of the bolt 3 pushes the lower arm 72 of the rocker lever 7 to rotate around the fixed axis 74, at this time the reset spring 8 is compressed, thereby driving the entire rocker lever 7 to rotate, and the upper arm 71 of the rocker lever 7 is against the ground of the internal wiring 41, pressing the internal wiring 41 and the wiring terminal 6, realizing the ON state, and the rocker lever 7 plays a role of limiting and fixing the internal wiring 4; when it is necessary to disconnect, the screwdriver is rotated in the opposite direction to move the bolt 3 outward, and one end of the bolt 3 is separated from the lower arm 72 of the rocker lever 7. At this time, under the action of the reset spring 8, the lower arm 72 of the rocker lever 7 is pushed back to achieve the reset effect, and then the external wiring 4 is pulled out, so that the internal wiring 41 is separated from the wiring terminal 6, that is, the OFF state is realized.

[0041] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the present invention and are not intended to limit the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of protection of the present invention is defined by the attached claims and their equivalents.

Claims

1. A lever-type wiring structure, comprising a cover body (1), characterized in that: The bottom of the cover body (1) is provided with a bottom plate (2); two wiring holes (11) are provided on the upper side of the outer wall at one end of the cover body (1); two bolt holes (12) are provided on the lower side of the outer wall at one end of the cover body (1); an external wire (4) is provided on the outer side of the wiring hole (11); a bolt (3) is provided on the outer side of the bolt hole (12); two wiring terminals (6) are provided on the upper side of the inside of the cover body (1); a positioning chamber wiring frame (5) is provided inside the cover body (1) between the wiring terminals (6) and the external wire (4); an end of the external wire (4) close to the wiring terminal (6) is connected to an internal wire (41); the wiring frame (5) is a rectangular structure with a hollow interior and openings (52) on both sides; a positioning chamber (41) is tightly welded to one side of the wiring frame (5) close to the bolt hole (12). A block (53) is provided in the middle of the positioning block (53), one end of the bolt (3) is threadedly connected to the threaded hole (531), one end of the internal wire (41) passes through the opening (52) and extends into the interior of the wiring frame (5), one end of the wiring terminal (6) also passes through the opening (52) and extends into the interior of the wiring frame (5), the internal wire (41) is located below the wiring terminal (6), a rocker lever (7) is provided at the bottom of the internal wire (41), a return spring (8) is provided on the side of the rocker lever (7) away from the bolt (3), the bolt (3) can be rotatably screwed into the threaded hole (531) and push the rocker lever (7) to rotate, and the top of the rocker lever (7) can push the internal wire (41) upward and fit and press it against the wiring terminal (6).

2. The lever type wiring structure according to claim 1, characterized in that: The bottom of the wiring frame (5) is tightly fitted to the bottom plate (2).

3. The lever type wiring structure according to claim 1, characterized in that: The external wire (4) and the internal wire (41) are an integrally formed structure.

4. The lever type wiring structure according to claim 1, characterized in that: The rocker lever (7) comprises an upper arm (71) located at the top and a lower arm (72) located at the bottom, a connecting end (73) is provided between the upper arm (71) and the lower arm (72), two sides of the connecting end (73) are respectively connected to the upper arm (71) and the lower arm (72), two ends of the connecting end (73) are provided with shaft holes (731), the interior of the shaft hole (731) is rotatably connected with a fixed shaft (74), the length of the fixed shaft (74) is greater than the length of the shaft hole (731), and circular holes (51) are provided on the inner walls of both sides of the wiring frame (5) near the fixed shaft (74), and the fixed shaft (74) is plug-fitted with the circular holes (51).

5. The lever type wiring structure according to claim 4, characterized in that: The connecting end (73), the upper arm (71) and the lower arm (72) are an integrally formed structure.

6. The lever type wiring structure according to claim 4, characterized in that: The angle between the upper arm (71) and the lower arm (72) is 120-150°.

7. The lever type wiring structure according to claim 1, characterized in that: The return spring (8) comprises a vertically arranged fixing plate (81), a spring plate (82) is vertically arranged on one side of the fixing plate (81) close to the bolt (3), a connecting plate (83) is arranged between the spring plate (82) and the top of the fixing plate (81), and the connecting plate (83) is an arc-shaped structure, and the two ends are respectively connected to the spring plate (82) and the fixing plate (81).

8. The lever type wiring structure according to claim 7, characterized in that: The fixing plate (81), the spring plate (82) and the connecting plate (83) are an integrally formed structure.

9. The lever type wiring structure according to claim 7, characterized in that: Both sides of the bottom of the fixing plate (81) are provided with positioning plates (811) protruding outwards, and the positioning plates (811) are tightly fitted with the inner wall of the wiring frame (5).

10. The lever type wiring structure according to claim 1, characterized in that: The top of the connection terminal (6) is tightly fitted to the top inner wall of the cover body (1).

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