Quick disassembly and assembly type baffle plate structure of hydraulic electromagnetic circuit breaker
By arranging the plug-in structure of the guide slider and the hanging platform in the circuit breaker housing, the problem of inconvenient assembly of the circuit breaker under high creepage distance requirements is solved, and the effects of rapid disassembly and assembly and cost reduction are achieved.
Patent Information
- Application Number
- CN202422359000.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-26
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-09-26
AI Technical Summary
When the electrical clearance and creepage distance between poles of existing circuit breakers are large, assembly and disassembly are inconvenient, resulting in high costs and reduced insulation performance.
A quick-detachable baffle structure for a hydraulic electromagnetic circuit breaker is designed. The wiring terminals are arranged inside the circuit breaker housing. The guide slider and the hanging platform are plugged into the guide groove and hanging groove of the housing to achieve quick installation and removal of the baffle.
It enables quick installation and disassembly of circuit breakers, increases electrical clearance and creepage distance, reduces costs, and improves versatility in various working scenarios.
Smart Images

Figure CN223450799U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of circuit breaker, especially to a hydraulic electromagnetic circuit breaker quick dismounting formula baffle structure. BACKGROUND
[0002] The material of the circuit breaker shell body is usually insulating plastic, and the circuit breaker is also a common overload current protection appliance, and the creepage distance requirement of the plastic shell circuit breaker is higher in some special occasions. The creepage distance plays a crucial role in electrical safety, and when the electrical gap and creepage distance between poles are required to be increased in special use occasions, the insulating material on the circuit breaker is easily polarized due to the wiring terminal of the circuit breaker being arranged at the end of the circuit breaker body, which leads to the reduction of the insulation performance of the electrical equipment, which directly relates to the insulation performance and safety of the electrical equipment.
[0003] The prior art with publication number CN226585155U discloses an external structure improved circuit breaker, relating to the technical field of circuit breakers. The external structure improved circuit breaker comprises a circuit breaker body, the left and right sides of the circuit breaker body are provided with wire interfaces; an external protective partition plate is provided on the left and right sides of the front wall of the circuit breaker body, the positions of the hanging grooves correspond to the positions of the wire interfaces, and the external protective partition plate is detachably connected to the hanging grooves; a sliding installation groove is arranged on the outer wall of the circuit breaker body, one side of the sliding installation groove is provided with an installation clamping frame, and a clamping plate assembly is slidably connected in the installation clamping frame.
[0004] In the prior art, many components are used to increase the creepage distance, and the assembly and disassembly of the circuit breaker are more troublesome, which also makes the cost of the circuit breaker higher. UTILITY MODEL CONTENTS
[0005] In order to solve the problem that the ordinary circuit breaker in the prior art cannot be normally used under the condition that the electrical gap and creepage distance between poles are required to be larger, the purpose of the utility model is to provide a hydraulic electromagnetic circuit breaker quick dismounting formula baffle structure, and the dismounting mode of the baffle and the circuit breaker is more rapid and convenient.
[0006] In order to achieve the above-mentioned purpose, the utility model discloses the following technical scheme: a hydraulic electromagnetic circuit breaker quick disassembly formula baffle structure is provided, wiring terminal is arranged in the circuit breaker shell, and the circuit breaker shell is provided with the incoming line port for wiring and the operation port for operating the wiring terminal; the baffle includes the side baffle part arranged in front and back, and the two side baffle parts are fixedly connected through the limiting part; the side baffle part is protruded with the guide sliding block, and the limiting part is protruded with the hanging table; the outer side surface of the circuit breaker shell is provided with the guide sliding groove and the hanging groove, and the guide sliding groove and the hanging groove are arranged on the different side surfaces of the circuit breaker shell; the guide sliding block on the baffle is inserted and slidably connected with the guide sliding groove, and the hanging table is inserted with the hanging groove; the incoming line port and the operation port on the circuit breaker shell are exposed from the two side baffle parts of the baffle.
[0007] As preferred, the length of the hanging table inserted into the hanging groove is not less than 0.3mm.
[0008] As preferred, two hanging grooves are arranged on the circuit breaker shell, and the two hanging tables on the limiting part correspond to the two hanging grooves one by one.
[0009] As preferred, the bottom of the hanging table is inclined.
[0010] As preferred, the limiting part includes the first limiting part and the second limiting part, and the first limiting part and the second limiting part are connected and L-shaped; the first limiting part, the second limiting part and the two side baffle parts enclose the containing space; after the baffle is installed on the circuit breaker shell, the part of the circuit breaker shell with the wiring terminal is clamped in the containing space.
[0011] As preferred, the second limiting part is provided with the operation column, the operation column is provided with the avoiding hole, and the avoiding hole is communicated with the operation port.
[0012] As preferred, the circuit breaker shell is provided with the stop groove, and the side baffle part of the baffle is protruded with the stop part; after the stop part is inserted into the stop groove, the baffle is fixed on the circuit breaker shell.
[0013] The technical scheme of the utility model has the advantages that the baffle is connected with the different side surfaces of the circuit breaker shell through the guide sliding block and the hanging table respectively, so that the baffle cannot be easily pulled off, the baffle can be quickly installed on the circuit breaker shell, and the quick installation of the baffle is completed; when the baffle is pulled upward, the hanging table of the baffle is subjected to the upward force until it is pulled out of the circuit breaker hanging groove, and then the baffle is pulled upward, the baffle is pulled out of the circuit breaker shell along the guide sliding groove, and the quick disassembly of the baffle is completed. Such a structure not only can increase the electrical gap and the creepage distance of the circuit breaker, but also can quickly complete the installation and disassembly between the circuit breaker and the baffle, and the structure is simpler, the cost is lower, and the universality in various working conditions is better. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a structural schematic view of the circuit breaker.
[0015] Figure 2 Structure diagram of the connection between the baffle and the circuit breaker Figure 1 ;
[0016] Figure 3 Structure diagram of the connection between the baffle and the circuit breaker Figure 2 ;
[0017] Figure 4 Structure diagram of the baffle Figure 1 ;
[0018] Figure 5 Structure diagram of the baffle Figure 2 .
[0019] Fig. 1 is a circuit breaker housing; 11 is an incoming line port; 12 is an operation port; 13 is a second recessed area; 14 is a guide sliding groove; 15 is a stop groove; 16 is a hanging groove; 17 is a limiting column; 18 is a positioning part; 19 is a stop part;
[0020] 2 is a baffle; 21 is a side blocking part; 22 is a first recessed area; 23 is a guide sliding block; 24 is a stop part; 25 is a limiting part; 251 is a first limiting part; 252 is a second limiting part; 26 is a hanging table; 27 is an operation column; 28 is an avoiding hole; 29 is a thickened part. DETAILED DESCRIPTION
[0021] The embodiments of the present application are described in detail below, examples of which are shown in the drawings, wherein the same or similar notations represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the drawings are exemplary, and are intended to explain the present application, and cannot be understood as a limitation of the present application.
[0022] In the description of the present application, it is understood that the orientations or positional relationships indicated by the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "clockwise", "counterclockwise" are based on the orientations or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as a limitation of the present application.
[0023] In addition, the terms "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" are only used for descriptive purpose and cannot be understood as indicating or implying relative importance or implying the number of the technical features indicated. Therefore, the features defined with "first", "second", "third", "fourth", "fifth", "sixth", "seventh" and "eighth" can explicitly or implicitly include one or more of the features. In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two, unless otherwise explicitly limited.
[0024] In the utility model, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0025] In the utility model, unless otherwise explicitly specified and limited, the "upper" or "lower" of the first feature of the second feature can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the "upper", "upper" and "upper" of the first feature of the second feature include that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The "below", "below" and "below" of the first feature of the second feature include that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature. Embodiment
[0026] As Figures 1 to 5 The hydraulic electromagnetic circuit breaker quick disassembly type baffle structure shown in the utility model, the wiring terminal is arranged in the circuit breaker shell 1, the circuit breaker shell 1 is provided with the incoming line port 11 for wiring and the operation port 12 for operating the wiring terminal;
[0027] The baffle 2 includes the side blocking part 21 arranged in front and back, and the two side blocking parts 21 are fixedly connected through the limiting part 25. The side blocking part 21 is provided with the guide sliding block 23, and the limiting part 25 is provided with the hanging table 26. The outer side of the circuit breaker shell 1 is provided with the guide sliding groove 14 and the hanging groove 16, and the guide sliding groove 14 and the hanging groove 16 are arranged on different sides of the circuit breaker shell 1. The guide sliding block 23 on the baffle 2 is inserted and slidingly matched with the guide sliding groove 14, and the hanging table 26 is inserted with the hanging groove 16. The incoming line port 11 and the operation port 12 on the circuit breaker shell 1 are exposed from the two side blocking parts 21 of the baffle 2.
[0028] In this way, the baffle 2 is connected with different sides of the circuit breaker shell 1 through the guide sliding block 23 and the hanging table 26, so that the baffle 2 cannot be easily separated from the circuit breaker shell 1, and the baffle 2 can be quickly installed on the circuit breaker shell 1 to complete the quick installation of the baffle 2; when the baffle 2 is pulled upward, the hanging table 26 of the baffle 2 is subjected to an upward force until it is separated from the circuit breaker hanging groove 16, and then the baffle 2 is continuously pulled upward, and the baffle 2 is withdrawn from the circuit breaker shell 1 along the guide sliding groove 14 to complete the quick disassembly of the baffle 2.
[0029] In this embodiment, the length of the hanging table 26 inserted into the hanging groove 16 is not less than 0.3 mm. In this way, the safe hanging distance of not less than 0.3 mm can effectively prevent the baffle 2 from being separated from the circuit breaker shell 1.
[0030] In this embodiment, the guide sliding groove 14 is arranged to extend upward through the circuit breaker shell 1. In this way, the baffle and the circuit breaker shell are separated.
[0031] In this embodiment, as shown in Figure 4 and Figure 5 , the limiting portion 25 includes a first limiting portion 251 and a second limiting portion 252, the first limiting portion 251 and the second limiting portion 252 are connected and in the shape of L; the first limiting portion 251, the second limiting portion 252 and the two side blocking portions 21 enclose a containing space; as shown in Figure 2 and Figure 3 , after the baffle 2 is installed on the circuit breaker shell 1, the part of the circuit breaker shell 1 on which the wiring terminal is installed is clamped in the containing space, the second limiting portion 25 is pressed on the circuit breaker shell 1, the hanging table 26 is inserted into the hanging groove 16 of the circuit breaker shell 1, and the guide sliding block 23 is inserted into the guide sliding groove 14 of the circuit breaker shell 1. In this way, the structure of the baffle 2 is more stable, and the circuit breaker shell 1 and the baffle 2 are more stably connected. Further, the second limiting portion 252 is provided with an operating column 27, and the operating column 27 is provided with an avoiding hole 28, which is in communication with the operating port 12.
[0032] In this embodiment, as shown in Figure 1 , two hanging grooves 16 are arranged on the circuit breaker shell 1, and the two hanging tables 26 on the limiting portion 25 correspond to the two hanging grooves 16 one by one.
[0033] In this embodiment, as shown in Figure 3 and Figure 5 , the bottom of the hanging table 26 is in the shape of an inclination. In this way, the baffle 2 is connected with the circuit breaker shell 1.
[0034] In this embodiment, as shown in Figures 1 to 5 , the circuit breaker shell 1 is provided with a stop groove 15, and the side blocking portion 21 of the baffle 2 is provided with a stop portion 24, and the stop groove 15 and the stop portion 24 are inserted; after the stop portion 24 is inserted into the stop groove 15, the baffle 2 stops moving, and the hanging table 26 is inserted into the hanging groove 16.
[0035] In this embodiment, as shown in Figures 1 to 3 , the bottom of the circuit breaker housing 1 is provided with a positioning portion 18, and after the baffle 2 is installed on the circuit breaker housing 1, the side blocking portion 21 is in clearance fit with the positioning portion 18. Further preferably, the top surface of the positioning portion 18 is provided with a stop portion 19, and the stop portion 19 is located between the two side blocking portions 21, and after the baffle 2 is installed on the circuit breaker housing 1, the stop portion 19 is in clearance fit with the side blocking portion 21. In this way, the structure after connection is more stable.
[0036] In this embodiment, as shown in Figures 1 to 3 , the side of the circuit breaker housing 1 provided with the guide sliding groove 14 is provided with a limiting column 17, and the guide sliding groove 14 is located between the hanging groove 16 and the limiting column 17; after the baffle 2 is installed on the circuit breaker housing 1, the guide sliding groove 14, the guide sliding block 23 and the limiting column 17 are in cooperation to limit the movement of the baffle 2. In this way, the connection of the baffle 2 and the circuit breaker housing 1 is more close, and the positioning requirement of the baffle 2 and the circuit breaker housing 1 is lower. In other embodiments, the limiting column 17 is in clearance fit with the baffle.
[0037] In this embodiment, as shown in Figure 4 and Figure 5 , the side blocking portion 21 is provided with a first recessed area 22, and the first recessed areas 22 of the two side blocking portions 21 are oppositely arranged, and the guide sliding block 23 and the stop portion 24 are arranged in the first recessed area 22, and the circuit breaker housing 1 is inserted into the first recessed area 22. In this way, through the recessed area, the thickness of the connection part of the baffle 2 and the circuit breaker housing 1 is thinned, and then the toughness of the baffle 2 is also good while ensuring the creepage distance of the circuit breaker, and the installation of the baffle 2 is more convenient. Further, as shown in Figures 1 to 3 , the front side and the rear side of the circuit breaker housing 1 are provided with a second recessed area 13, and the guide sliding groove 14, the stop groove 15 and the limiting column 17 are arranged in the second recessed area 13.
[0038] In this embodiment, the side blocking portion is provided with a thickening portion 29, and the thickening portion 29 is located outside the accommodation space, which can further increase the electrical clearance and the creepage distance of the circuit breaker.
[0039] In this embodiment, the baffle 2 is made of an elastic insulating material; for example, plastic, acrylic, rubber and the like.
[0040] The assembling process of the baffle 2 and the circuit breaker is as follows: the guide sliding block 23 of the baffle 2 is aligned with the guide sliding groove 14 of the circuit breaker shell 1 and is inserted downward, the end plate of the circuit breaker shell 1 is inserted between the two side blocking portions 21, the baffle 2 continues to move downward and abuts against the limiting column 17, the limiting column 17 adjusts the position of the guide sliding block 23 in the guide sliding groove 14 and adjusts the safety distance between the hanging table 26 and the hanging groove 16; the baffle 2 continues to move downward until the positioning portion 18 of the side blocking portion 21 is above, the stop portion 24 of the baffle 2 is inserted into the stop groove 15 of the circuit breaker shell 1, the hanging table 26 is inserted into the hanging groove 16, the wiring port on the circuit breaker shell 1 is located between the first limiting portion 251 of the baffle 2 and the positioning portion 18 of the circuit breaker shell 1, and the operation port 12 on the circuit breaker shell 1 is exposed from the avoiding hole 28 of the second limiting portion 252 of the baffle 2.
[0041] When the baffle 2 is removed from the circuit breaker shell 1, the hanging table 26 of the baffle 2 is subjected to an upward force until it is separated from the circuit breaker hanging groove 16 when the baffle 2 is pulled upwardly with force, and then the baffle 2 is continuously pulled upwardly, the baffle 2 is along the guide sliding groove 14 and exits the circuit breaker shell 1, and the quick disassembly of the baffle 2 is completed.
[0042] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily mean the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0043] Although the embodiments of the present application have been shown and described above, it should be understood that the above embodiments are exemplary and should not be construed as limiting the present application, and those skilled in the art can make changes, modifications, replacements and variations to the above embodiments within the scope of the present application without departing from the principles and spirits of the present application.
Claims
1. A hydraulic electromagnetic circuit breaker quick disassembly and assembly baffle structure, wherein the wiring terminals are arranged inside the circuit breaker housing (1), and the circuit breaker housing (1) is provided with a wire inlet (11) for wiring and an operating port (12) for operating the wiring terminals; characterized in that: The baffle (2) includes side baffles (21) arranged at the front and rear, and the two side baffles (21) are fixedly connected via a limiting portion (25); a guide slide block (23) is protruded from the side baffle (21), and a hanging platform (26) is protruded from the limiting portion (25); a guide slide groove (14) and a hanging groove (16) are provided on the outer surface of the circuit breaker housing (1), and the guide slide groove (14) and the hanging groove (16) are arranged on different sides of the circuit breaker housing (1); the guide slide block (23) on the baffle (2) is plugged into and slidably matched with the guide slide groove (14), and the hanging platform (26) is plugged into the hanging groove (16); the line inlet (11) and the operation port (12) on the circuit breaker housing (1) are exposed from the two side baffles (21) of the baffle (2).
2. The quick-detachable baffle structure for a hydraulic electromagnetic circuit breaker according to claim 1, characterized in that: The length of the hanging platform (26) inserted into the hanging groove (16) is not less than 0.3 mm.
3. The quick-detachable baffle structure for a hydraulic electromagnetic circuit breaker according to claim 1, characterized in that: Two hanging slots (16) are provided on the circuit breaker housing (1), and the two hanging platforms (26) on the limiting portion (25) correspond one-to-one to the two hanging slots (16).
4. The quick-detachable baffle structure for a hydraulic electromagnetic circuit breaker according to claim 1, characterized in that: The bottom of the hanging platform (26) is tilted.
5. The quick-detachable baffle structure for a hydraulic electromagnetic circuit breaker according to claim 1, characterized in that: The limiting portion (25) comprises a first limiting portion (251) and a second limiting portion (252), the first limiting portion (251) and the second limiting portion (252) being connected and L-shaped; the first limiting portion (251), the second limiting portion (252) and the two side blocking portions (21) enclose an accommodating space; after the baffle (2) is mounted on the circuit breaker housing (1), the portion of the circuit breaker housing (1) on which the terminal block is mounted is embedded in the accommodating space.
6. The hydraulic electromagnetic circuit breaker quick disassembly and assembly baffle structure according to claim 5, characterized in that: An operating column (27) is provided on the second limiting portion (252), and an avoidance hole (28) is provided on the operating column (27), and the avoidance hole (28) is communicated with the operating port (12).
7. The quick-detachable baffle structure for a hydraulic electromagnetic circuit breaker according to claim 1, characterized in that: A stop groove (15) is provided on the circuit breaker housing (1), and a stop portion (24) is protruded from the side stop portion (21) of the baffle (2); after the stop portion (24) is plugged into the stop groove (15), the baffle (2) is fixed to the circuit breaker housing (1).