Protective cover of emergency opening device

Abstract

The invention discloses a protective cover of an emergency opening device, and relates to the field of opening device protection equipment, the protective cover comprises an electric control cabinet, the side wall of the electric control cabinet is provided with two hinge pieces, the two hinge pieces are provided with a cabinet door, the cabinet door is provided with a handle, the cabinet door is provided with a door lock, and the cabinet door is provided with a matching gear. Through the arrangement of the protection cover base and the protection cover upper cover, the protection effect on the rotary knob is achieved, accidents caused by accidental collision of the rotary knob are prevented, the safety of workers is improved, and through cooperative use of the pulling rotating mechanism and the pressing mechanism, the safety of the workers is improved. The operation step of rotating and pressing the knob is reduced to the operation step of pulling the pull rod to realize the emergency opening operation of the electric control cabinet, so that not only is the operation difficulty of a worker greatly improved, but also two-step operation which consumes long time is simplified into one-step simple operation, the emergency opening time is greatly shortened, and the probability of accidents is effectively reduced.

Description

Technical Field

[0001] The invention relates to the field of protection equipment for a trip device, in particular to a protective cover for an emergency trip device. Background Art

[0002] When the circuit breaker is in the working position, in order to manually perform emergency tripping of the circuit breaker without opening the circuit breaker chamber door, an emergency tripping device is usually installed on the circuit breaker chamber door.

[0003] In the prior art, the connecting rod inside the electric control cabinet is rotated 90 degrees to prevent the emergency tripping device knob from rotating, and then the button is pressed to drive the connecting rod to perform emergency tripping of the electric control cabinet without opening the cabinet door. This is suitable for emergency tripping in the event of a power outage. However, if the knob and the button cabinet door surface are accidentally hit and the circuit breaker is opened or closed, it is easy to cause an accident and endanger the lives of workers. The protective cover in the prior art is fully sealed to prevent the knob from being accidentally hit, but the emergency tripping also requires the protective cover to be opened, which wastes more time and increases the probability of accidents sharply. Summary of the invention

[0004] The technical solution of the present invention aims at the technical problem that the existing technical solutions are too single, and provides a solution that is significantly different from the existing technologies. Specifically, the purpose of the present invention is to provide a protective cover for an emergency tripping device to solve the problem mentioned in the above background technology that the knob is accidentally hit and the circuit breaker is opened and closed, thereby causing an accident.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a protective cover for an emergency tripping device, comprising an electric control cabinet, wherein two hinges are arranged on the side walls of the electric control cabinet, cabinet doors are arranged on the two hinges, handles are arranged on the cabinet doors, door locks are arranged on the cabinet doors, matching gears are arranged on the cabinet doors, a knob is fixedly arranged on the matching gear, a button is arranged in the middle of the knob, a protective mechanism is arranged on the cabinet door, a rotating mechanism is arranged at the bottom inside the protective mechanism, a pressing mechanism is arranged above the rotating mechanism, and a pointer is arranged on the side wall of the matching gear.

[0006] Preferably, the cabinet door surface is provided with two mutually perpendicular indicating grooves.

[0007] Preferably, the protection mechanism includes a protection cover base, a protection cover upper cover, two folding plates, two sliding grooves, eight pin holes, four mounting holes and two padlock holes. The protection cover base is fixedly set on the cabinet door surface, the protection cover upper cover is fixedly set on the protection cover base, the two folding plates are respectively set on the side walls of the protection cover base and the protection cover upper cover, the two sliding grooves are respectively set on the two side walls inside the protection cover upper cover, the eight pin holes are respectively correspondingly set on the two side walls of the protection cover upper cover and the protection cover base, the four mounting holes are set at the bottom of the protection cover base, and the two padlock holes are respectively correspondingly set on the two folding plates.

[0008] Preferably, the rotating mechanism includes a pull rod, a spring column, an extrusion spring, a contact plate, a double-sided rack, a plurality of second mating teeth and a plurality of first mating teeth, the double-sided rack is slidably arranged on the inner bottom of the protective cover base, a plurality of the first mating teeth are arranged on one side of the double-sided rack, a plurality of the second mating teeth are arranged on the other side of the double-sided rack, a plurality of the first mating teeth are meshed with the mating gear, the contact plate is fixedly arranged on the end of the double-sided rack, one end of the spring column is fixedly arranged on the side of the contact plate away from the double-sided rack, the extrusion spring is sleeved on the outer wall of the spring column, and the pull rod is fixedly arranged on the other end of the spring column.

[0009] Preferably, the pressing mechanism includes a first gear, a first connecting column, a mounting plate, a second bevel gear, a second connecting column, a second gear, a first bevel gear, an L-shaped rack, a pressing column and a sliding plate, the two ends of the sliding plate are respectively slidably set in two sliding grooves, the pressing column is fixedly set in the middle of the sliding plate, the end of the L-shaped rack is fixedly set on the side wall of the pressing column, the mounting plate is fixedly set on the inner bottom of the protective cover base, the second connecting column is rotatably set on the mounting plate, the second bevel gear is fixedly set at one end of the second connecting column, the second gear is set at the other end of the second connecting column, the first gear transmission is set at the inner bottom of the protective cover base, one end of the first connecting column is fixedly set on the top of the first gear, and the first bevel gear is fixedly set at the other end of the first connecting column.

[0010] Preferably, the first bevel gear and the second bevel gear are meshed with each other, and the second gear and the L-shaped rack are meshed with each other.

[0011] Preferably, a fixed shaft is movably inserted into the side wall of the pressing rod, and a round handle is provided at the end of the fixed shaft.

[0012] Preferably, the second mating tooth meshes with the first gear.

[0013] Compared with the prior art, the present invention has the following beneficial effects:

[0014] (1) The present invention realizes the protection of the knob by setting the protective cover base and the protective cover upper cover, prevents the knob from accidentally hitting and causing accidents, and improves the safety of the staff. In addition, by using the pull-rotating mechanism and the pressing mechanism in coordination, the operation steps of rotating and pressing the knob are reduced to pulling the pull rod to realize the emergency opening operation of the electric control cabinet, which not only greatly improves the operation difficulty of the staff, but also simplifies the time-consuming two-step operation into a simple one-step operation, greatly shortening the time of emergency opening and effectively reducing the probability of accidents.

[0015] (2) The present invention realizes the rotation of the knob by pulling the pull rod through the arrangement of the pull rod, the spring column, the double-sided rack and the first matching teeth, without paying attention to the degree of rotation, thus reducing the difficulty of operation for the staff. At the same time, through the arrangement of the second matching teeth, the button can be pressed without additional operation, thus simplifying the operation steps and making it convenient and quick.

[0016] (3) The present invention provides a circular handle and a fixing rod, so that the pressing column can be fixed when not in use, thereby preventing the device from being affected by misoperation. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0018] Figure 2 It is a schematic diagram of the internal structure of the protection mechanism of the present invention;

[0019] Figure 3 for Figure 2 Enlarged view of point A in the middle;

[0020] Figure 4 It is a structural schematic diagram of the protection mechanism of the present invention;

[0021] Figure 5 It is a schematic diagram of the coordination structure of the rotating mechanism and the pressing mechanism of the present invention;

[0022] Figure 6 It is a schematic diagram of the structure of the rotating mechanism of the present invention.

[0023] In the figure: 1, electric control cabinet; 2, cabinet door; 3, handle; 4, protection mechanism; 41, protection cover base; 42, protection cover upper cover; 43, hinge plate; 44, sliding groove; 45, pin hole; 46, mounting hole; 47, padlock hole; 5, rotating mechanism; 51, pull rod; 52, spring column; 53, extrusion spring; 54, contact plate; 55, double-sided rack; 56, second matching tooth; 57, first matching tooth; 6, press Pressing mechanism; 61, first gear; 62, first connecting column; 63, mounting plate; 64, second bevel gear; 65, second connecting column; 66, second gear; 67, first bevel gear; 68, L-shaped rack; 69, pressing column; 610, sliding plate; 7, hinge; 8, door lock; 9, indicator groove; 10, round handle; 11, fixed shaft; 12, knob; 13, matching gear; 14, pointer; 15, button. DETAILED DESCRIPTION

[0024] 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.

[0025] See also Figure 1-6 An embodiment of the present invention is as follows: a protective cover of an emergency tripping device, comprising an electric control cabinet 1, wherein two hinges 7 are arranged on the side wall of the electric control cabinet 1, cabinet doors 2 are arranged on the two hinges 7, handles 3 are arranged on the cabinet doors 2, door locks 8 are arranged on the cabinet doors 2, a matching gear 13 is arranged on the cabinet door 2, a knob 12 is fixedly arranged on the matching gear 13, a button 15 is arranged in the middle of the knob 12, a protection mechanism 4 is arranged on the cabinet door 2, a rotating mechanism 5 is arranged at the bottom inside the protection mechanism 4, a pressing mechanism 6 is arranged above the rotating mechanism 5, and a pointer 14 is arranged on the side wall of the matching gear 13. First, the protection mechanism 4 is installed at the corresponding position of the knob 12 of the cabinet door 2, and then the rotating mechanism 5 is pulled to drive the matching gear 13 and the knob 12 to rotate. At the same time, when the matching gear 13 rotates, the pressing mechanism 6 is synchronously driven to press the button 15, so that the connecting rod of the emergency opening device inside the electric control cabinet 1 presses the opening button 15 inside the electric control cabinet 1, thereby realizing emergency opening without opening the cabinet door 2.

[0026] Specifically, two mutually perpendicular indicating grooves 9 are arranged on the surface of the cabinet door 2 .

[0027] Specifically, the protection mechanism 4 includes a protection cover base 41, a protection cover upper cover 42, two folding plates 43, two sliding grooves 44, eight pin holes 45, four mounting holes 46 and two padlock holes 47. The protection cover base 41 is fixedly set on the surface of the cabinet door 2, and the protection cover upper cover 42 is fixedly set on the protection cover base 41. The two folding plates 43 are respectively set on the side walls of the protection cover base 41 and the protection cover upper cover 42. The two sliding grooves 44 are respectively set on the two side walls inside the protection cover upper cover 42. The eight pin holes 45 are respectively and correspondingly set on the two side walls of the protection cover upper cover 42 and the protection cover base 41. The four mounting holes 46 are set at the bottom of the protection cover base 41, and the two padlock holes 47 are respectively and correspondingly set on the two folding plates 43. The protective cover base 41 is mounted on the cabinet door 2 through the mounting hole 46 , and then the protective cover upper cover 42 is mounted on the protective cover base 41 through the pin hole 45 , and then the protective cover base 41 and the protective cover upper cover 42 are locked through the padlock hole 47 .

[0028] Specifically, the rotating mechanism 5 includes a pull rod 51, a spring column 52, an extrusion spring 53, a contact plate 54, a double-sided rack 55, a plurality of second mating teeth 56 and a plurality of first mating teeth 57. The double-sided rack 55 is slidably arranged on the inner bottom of the protective cover base 41, a plurality of the first mating teeth 57 are arranged on one side of the double-sided rack 55, a plurality of the second mating teeth 56 are arranged on the other side of the double-sided rack 55, a plurality of the first mating teeth 57 are meshed with the mating gear 13, the contact plate 54 is fixedly arranged at the end of the double-sided rack 55, one end of the spring column 52 is fixedly arranged on the side of the contact plate 54 away from the double-sided rack 55, the extrusion spring 53 is sleeved on the outer wall of the spring column 52, and the pull rod 51 is fixedly arranged at the other end of the spring column 52. By pulling the pull rod 51, the spring column 52, the contact plate 54 and the double-sided rack 55 are driven to move synchronously. The movement of the double-sided rack 55 synchronously drives the first matching tooth 57 and the second matching tooth 56 to move synchronously. The movement of the first matching tooth 57 drives the matching gear 13 to rotate. The rotation of the matching gear 13 drives the knob 12 to rotate, thereby opening the connecting rod of the emergency opening device inside the electric control cabinet 1.

[0029] Specifically, the pressing mechanism 6 includes a first gear 61, a first connecting column 62, a mounting plate 63, a second bevel gear 64, a second connecting column 65, a second gear 66, a first bevel gear 67, an L-shaped rack 68, a pressing column 69 and a sliding plate 610, wherein both ends of the sliding plate 610 are respectively slidably arranged in two sliding grooves 44, the pressing column 69 is fixedly arranged in the middle of the sliding plate 610, and the end of the L-shaped rack 68 is fixedly arranged on the side wall of the pressing column 69, the mounting plate 63 is fixedly arranged on the inner bottom of the protective cover base 41, the second connecting column 65 is rotatably arranged on the mounting plate 63, the second bevel gear 64 is fixedly arranged at one end of the second connecting column 65, the second gear 66 is arranged at the other end of the second connecting column 65, the first gear 61 is rotatably arranged at the inner bottom of the protective cover base 41, one end of the first connecting column 62 is fixedly arranged on the top of the first gear 61, and the first bevel gear 67 is fixedly arranged at the other end of the first connecting column 62. The movement of the double-sided rack 55 drives the second matching tooth 56 to move, the movement of the second matching tooth 56 drives the first gear 61 to rotate, the rotation of the first gear 61 drives the first connecting column 62 and the first bevel gear 67 to rotate, the rotation of the first bevel gear 67 drives the second bevel gear 64, the second connecting column 65 and the second gear 66 to rotate, the rotation of the second gear 66 drives the L-shaped rack 68 to move downward, the downward movement of the L-shaped rack 68 drives the pressing column 69 to move synchronously, and the pressing column 69 moves to press the button 15.

[0030] Specifically, the first bevel gear 67 and the second bevel gear 64 are meshed with each other, and the second gear 66 and the L-shaped rack 68 are meshed with each other.

[0031] Specifically, a fixed shaft 11 is movably inserted into the side wall of the pressing rod, and a round handle 10 is provided at the end of the fixed shaft 11. The fixed shaft 11 is pulled out by pulling the round handle 10, and then the emergency opening device can be started.

[0032] Specifically, the second matching teeth 56 and the first gear 61 are meshed with each other.

[0033] Working principle: first, install the protective cover base 41 on the cabinet door 2 through the installation hole 46, then install the protective cover upper cover 42 on the protective cover base 41 through the pin shaft hole 45, and then lock the protective cover base 41 and the protective cover upper cover 42 through the padlock hole 47, and then pull the pull rod 51 to drive the spring column 52, the contact plate 54 and the double-sided rack 55 to move synchronously, and the movement of the double-sided rack 55 synchronously drives the first matching tooth 57 and the second matching tooth 56 to move synchronously. The movement of the first matching tooth 57 drives the matching gear 13 to rotate, and the rotation of the matching gear 13 drives the knob 12 to rotate, thereby opening the connecting rod of the emergency opening device inside the electric control cabinet 1, and at the same time The movement of the double-sided rack 55 drives the second matching tooth 56 to move, and the movement of the second matching tooth 56 drives the first gear 61 to rotate. The rotation of the first gear 61 drives the first connecting column 62 and the first bevel gear 67 to rotate. The rotation of the first bevel gear 67 drives the second bevel gear 64, the second connecting column 65 and the second gear 66 to rotate. The rotation of the second gear 66 drives the L-shaped rack 68 to move downward. The downward movement of the L-shaped rack 68 drives the pressing column 69 to move synchronously. The pressing column 69 moves to press the button 15, so that the connecting rod of the emergency opening device inside the electric control cabinet 1 presses the opening button 15 inside the electric control cabinet 1, so as to realize emergency opening without opening the cabinet door 2.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, it is still possible for those skilled in the art to modify the technical solutions described in the aforementioned embodiments, or to make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A protective cover for an emergency tripping device, comprising an electric control cabinet (1), wherein the side wall of the electric control cabinet (1) is provided with two hinges (7), cabinet doors (2) are provided on the two hinges (7), the cabinet doors (2) are provided with a handle (3), the cabinet doors (2) are provided with a door lock (8), the cabinet door (2) is provided with a matching gear (13), a knob (12) is fixedly provided on the matching gear (13), and a button (15) is provided in the middle of the knob (12), characterized in that: The cabinet door (2) is provided with a protection mechanism (4), the bottom of the protection mechanism (4) is provided with a rotation mechanism (5), the top of the rotation mechanism (5) is provided with a pressing mechanism (6), and the side wall of the matching gear (13) is provided with a pointer (14).

2. The protective cover of the emergency tripping device according to claim 1, characterized in that: The surface of the cabinet door (2) is provided with two mutually perpendicular indicating grooves (9).

3. The protective cover of the emergency tripping device according to claim 1, characterized in that: The protection mechanism (4) comprises a protection cover base (41), a protection cover upper cover (42), two folding plates (43), two sliding grooves (44), eight pin holes (45), four mounting holes (46) and two padlock holes (47); the protection cover base (41) is fixedly arranged on the surface of the cabinet door (2); the protection cover upper cover (42) is fixedly arranged on the protection cover base (41); the two folding plates (43) are respectively arranged on the side walls of the protection cover base (41) and the protection cover upper cover (42); the two sliding grooves (44) are respectively arranged on the side walls inside the protection cover upper cover (42); the eight pin holes (45) are respectively arranged on the side walls of the protection cover upper cover (42) and the protection cover base (41); the four mounting holes (46) are arranged at the bottom of the protection cover base (41); and the two padlock holes (47) are respectively arranged on the two folding plates (43).

4. The protective cover of the emergency tripping device according to claim 3, characterized in that: The rotating mechanism (5) comprises a pull rod (51), a spring column (52), a compression spring (53), a contact plate (54), a double-sided rack (55), a plurality of second matching teeth (56) and a plurality of first matching teeth (57); the double-sided rack (55) is slidably arranged on the inner bottom of the protective cover base (41); a plurality of the first matching teeth (57) are arranged on one side of the double-sided rack (55); a plurality of the second matching teeth (56) are arranged on the other side of the double-sided rack (55); a plurality of the first matching teeth (57) are meshed with the matching gear (13); the contact plate (54) is fixedly arranged at the end of the double-sided rack (55); one end of the spring column (52) is fixedly arranged on the side of the contact plate (54) away from the double-sided rack (55); the compression spring (53) is sleeved on the outer wall of the spring column (52); and the pull rod (51) is fixedly arranged at the other end of the spring column (52).

5. The protective cover of the emergency tripping device according to claim 4, characterized in that: The pressing mechanism (6) comprises a first gear (61), a first connecting column (62), a mounting plate (63), a second bevel gear (64), a second connecting column (65), a second gear (66), a first bevel gear (67), an L-shaped rack (68), a pressing column (69) and a sliding plate (610), wherein the two ends of the sliding plate (610) are respectively slidably arranged in two sliding grooves (44), the pressing column (69) is fixedly arranged in the middle of the sliding plate (610), the end of the L-shaped rack (68) is fixedly arranged on the side wall of the pressing column (69), and the mounting plate ( 63) is fixedly set on the inner bottom of the protective cover base (41), the second connecting column (65) is rotatably set on the mounting plate (63), the second bevel gear (64) is fixedly set on one end of the second connecting column (65), the second gear (66) is set on the other end of the second connecting column (65), the first gear (61) is rotatably set on the inner bottom of the protective cover base (41), one end of the first connecting column (62) is fixedly set on the top of the first gear (61), and the first bevel gear (67) is fixedly set on the other end of the first connecting column (62).

6. The protective cover of the emergency tripping device according to claim 5, characterized in that: The first bevel gear (67) and the second bevel gear (64) are meshed with each other, and the second gear (66) and the L-shaped rack (68) are meshed with each other.

7. The protective cover of the emergency tripping device according to claim 6, characterized in that: A fixed shaft (11) is movably inserted into the side wall of the pressing rod, and a round handle (10) is provided at the end of the fixed shaft (11).

8. The protective cover of the emergency tripping device according to claim 5, characterized in that: The second matching tooth (56) meshes with the first gear (61).

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