Stepped circuit breaker base splicing structure

Abstract

The utility model relates to the technical field of leakage protection circuit breakers, in particular to a stepped circuit breaker base splicing structure, which comprises a circuit breaker protector, the bottom end of the circuit breaker protector is fixedly connected with an extension seat, and a quick splicing mechanism is arranged in the circuit breaker protector. The quick splicing mechanism comprises a rotating shaft rotationally connected to the top end of the circuit breaker protector, a first splicing rod is arranged in the rotating shaft, the first splicing rod comprises a first fixing rod and a first limiting rod which are fixedly connected to the inner top wall of the rotating shaft, and the first limiting rod is slidably connected to the outer side wall of the first fixing rod. According to the utility model, through the cooperation of the circuit breaker protector and the rapid splicing mechanism, the rotating shaft is rotated to drive the first limiting rod of the first splicing rod to be in threaded connection, so that the first limiting rod slides downwards along the first fixing rod of the first splicing rod and enters the limiting hole; and the connecting pipe is in threaded connection with the connecting pipe so as to realize the connection between the circuit break protectors.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of leakage protection circuit breaker, specifically relates to a stepped circuit breaker base splicing structure. BACKGROUND

[0002] Miniature circuit breaker is also called micro circuit breaker, which is suitable for overload and short circuit protection of AC 50 / 60Hz rated voltage 230 / 400V and rated current up to 63A line, and can also be used for infrequent operation conversion of line under normal circumstances. Miniature circuit breaker is mainly used in various places such as industry, commerce, high-rise and residential buildings.

[0003] Through the search, the patent file with the announcement number CN218274465U proposes a splicing and combined type leakage protection circuit breaker: the utility model discloses a splicing and combined type leakage protection circuit breaker belongs to the field of leakage protection circuit breaker, including circuit breaker main part, the circuit breaker main part is equipped with switch, and the circuit breaker main part is provided with test button, the circuit breaker main part is equipped with connecting structure, two the circuit breaker main part is connected through the connecting structure, the connecting structure includes receiving groove, connecting plate, connecting groove, screw hole and connecting bolt, the receiving groove is opened in the circuit breaker main part, the connecting plate is arranged in the receiving groove on the circuit breaker main part. Through the connecting structure, the leakage protection circuit breaker can be spliced and combined, the stability of the leakage protection circuit breaker after splicing is guaranteed, the rotating connecting plate is used, when the leakage protection circuit breaker is used alone, it can be stored, and the extra space is not occupied, through the setting positioning part, the positioning hole is used, the accuracy of the leakage protection circuit breaker splicing can be guaranteed.

[0004] The above technical scheme needs special tools and spends a lot of time through the way of repeatedly screwing in the use process, which is not conducive to the rapid assembly and disassembly of the user.

[0005] Therefore, it is necessary to invent a stepped circuit breaker base splicing structure to solve the above problems. Utility model content

[0006] The utility model aims at providing a stepped circuit breaker base splicing structure, which realizes more convenient assembly through the cooperation of the circuit protection device and the quick splicing mechanism, so as to solve the problem that special tools and a lot of time are needed through the way of repeatedly screwing in the prior art, which is not conducive to the rapid assembly and disassembly of the user.

[0007] In order to achieve the above object, the utility model provides the following technical scheme: A stepped circuit breaker base splicing structure, the bottom fixedly connected with the extension seat of circuit protection ware, the inside of circuit protection ware is provided with quick splicing mechanism, quick splicing mechanism includes the rotating shaft rotationally connected in the top of circuit protection ware, the inside of rotating shaft is provided with first splicing pole, first splicing pole includes the first fixed link with first limiting link of fixedly connected in the inner top wall of rotating shaft and the outside wall of first limiting link is connected to first fixed link, the outside of rotating shaft is provided with protection box, the inner top wall of protection box is fixedly connected with circuit protection ware, the inside wall of protection box is rotationally connected with screw drum, the outside wall of screw drum is fixedly connected with driven gear, the top of driven gear is engaged with transmission gear and transmission gear is fixedly connected to the outside wall of rotating shaft, and rotating rotating shaft makes first splicing pole elongation thereby limiting circuit protection ware, and transmission gear and driven gear are rotated by rotating shaft.

[0008] Preferably, the inside wall of the screw drum is provided with a connecting rod, the connecting rod includes a second fixed link and a second limiting link fixedly connected to the inside wall of the screw drum, and the second limiting link is slidably connected to the outside wall of the second fixed link, the second limiting link and the first limiting link are respectively threadedly connected to the bottom wall of the protection box and the side wall of the circuit protection device, and the connecting rod is elongated to limit other parts by rotating the screw drum driven by the driven gear.

[0009] Preferably, one side of the extension seat is fixedly connected with a wrapping part, the circuit protection device and the wrapping part are slidably connected to the outside wall of the mounting seat, and a limiting hole is formed in the surface of the mounting seat and is in interlocking connection with the first splicing rod.

[0010] Preferably, the side of the circuit protection device away from the connecting rod is fixedly connected with a connecting pipe, the inner diameter of the connecting pipe is consistent with that of the connecting rod, and the inside of the connecting pipe is threaded, and the connection between the circuit protection devices is realized by the cooperation of the connecting rod and the connecting pipe.

[0011] Preferably, the top end of the extension seat is fixedly connected with a reinforcing rib, and a plurality of groups of heat dissipation holes are formed in the surface of the reinforcing rib, and the heat dissipation performance of the structure is increased by the cooperation of the reinforcing rib and the heat dissipation holes.

[0012] Preferably, second heat dissipation grooves are formed in both sides of the extension seat, the top of the second heat dissipation groove is communicated with a first heat dissipation groove, the width of the first heat dissipation groove is smaller than that of the second heat dissipation groove, and the first heat dissipation groove is formed in both sides of the extension seat, and space is provided for heat dissipation of the circuit protection device by the cooperation of the first heat dissipation groove and the second heat dissipation groove.

[0013] In the above technical scheme, the utility model provides technical effects and advantages:

[0014] By cooperation of the circuit breaker protector and the quick splicing mechanism, the rotating shaft drives the first limiting rod of the first splicing rod to be screwed, so that the first limiting rod slides downward along the first fixed rod of the first splicing rod into the inside of the limiting hole, so that cooperation of the circuit breaker protector and the wrapping part makes the first limiting rod slide on the surface of the mounting seat, and through rotation of the rotating shaft, the rotating shaft drives the transmission gear and the driven gear to rotate, so that the threaded cylinder is rotated, the second limiting rod of the connecting rod is screwed by the threaded cylinder, so that the second limiting rod slides downward along the second fixed rod of the connecting rod into the inside of the connecting pipe of the other group of circuit breaker protectors, and is screwed with the connecting pipe, so that the circuit breaker protector is connected with the circuit breaker protector. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings described in the following are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0016] Figure 1 It is a whole first perspective structural schematic view of the utility model;

[0017] Figure 2 It is a local structural schematic view of the utility model;

[0018] Figure 3 It is an internal structural schematic view of the utility model;

[0019] Figure 4 It is a connecting rod structural schematic view of the utility model;

[0020] Figure 5 It is a Figure 3 It is an enlarged structural schematic view of A in the middle.

[0021] Explanation of reference signs:

[0022] 1, circuit breaker protector; 101, extension seat; 2, quick splicing mechanism; 201, rotating shaft; 202, first splicing rod; 203, protection box; 204, limiting hole; 205, transmission gear; 206, connecting pipe; 207, driven gear; 208, connecting rod; 209, threaded cylinder; 3, mounting seat; 4, first heat dissipation groove; 5, second heat dissipation groove; 6, wrapping part; 7, reinforcing rib; 8, heat dissipation hole. DETAILED DESCRIPTION

[0023] In order to make those skilled in the art better understand the technical scheme of the utility model, the utility model will be further described in detail in combination with the drawings.

[0024] The utility model provides a kind of as Figures 1-5The utility model provides a kind of stepped circuit breaker base splicing structure shown, including circuit protection 1, the bottom end of circuit protection 1 is fixedly connected with extension seat 101, the inside of circuit protection 1 is provided with quick splicing mechanism 2, quick splicing mechanism 2 includes rotating shaft 201 rotatingly connected in the top end of circuit protection 1, the inside of rotating shaft 201 is provided with first splicing rod 202, first splicing rod 202 includes and is fixedly connected with the first fixed rod and first limiting rod of rotating shaft 201 inner top wall, and first limiting rod is slidably connected with the outside of first fixed rod, the outside of rotating shaft 201 is provided with protection box 203, subsequent parts are fixed using protection box 203, protection box 203 is fixedly connected with the inner top wall of circuit protection 1, the inner side wall of protection box 203 is rotatably connected with threaded cylinder 209, the outside wall of threaded cylinder 209 is fixedly connected with driven gear 207, the top of driven gear 207 is engaged with transmission gear 205 and transmission gear 205 is fixedly connected with the outside wall of rotating shaft 201, rotating transmission gear 205 drives the rotation of driven gear 207, rotating shaft 201 makes first splicing rod 202 elongate to limit circuit protection 1, and transmission gear 205 and driven gear 207 are rotated using rotating shaft 201 drive, the inside wall of threaded cylinder 209 is provided with connecting rod 208, connecting rod 208 includes and is fixedly connected with the second fixed rod and second limiting rod of threaded cylinder 209 inner side wall, and second limiting rod is slidably connected with the outside of second fixed rod, second limiting rod and first limiting rod are respectively and threadedly connected with the bottom wall of protection box 203 and the side wall of circuit protection 1, driven gear 207 drives threaded cylinder 209 to rotate to make connecting rod 208 elongate to limit other parts using, one side of extension seat 101 is fixedly connected with wrapping portion 6, circuit protection 1 and wrapping portion 6 are slidably connected with the outside wall of mounting seat 3, the surface of mounting seat 3 is provided with limiting hole 204, and limiting hole 204 is mutually clamped with first splicing rod 202, the side, away from connecting rod 208 of circuit protection 1, is fixedly connected with connecting pipe 206, the inner diameter of connecting pipe 206 is consistent with connecting rod 208, and the inside of connecting pipe 206 is marked with thread, the cooperation of connecting rod 208 and connecting pipe 206 is used to realize the connection of circuit protection 1 and circuit protection 1, by the cooperation of circuit protection 1 and quick splicing mechanism 2, rotating rotating shaft 201 drives the first limiting rod of first splicing rod 202 to be threadedly connected, to make it slide down along the first fixed rod of first splicing rod 202 and enter the inside of limiting hole 204, to cooperate with the cooperation of circuit protection 1 and wrapping portion 6 to make it slide on the surface of mounting seat 3, and by the rotation of rotating shaft 201, rotating shaft 201 drives the rotation of transmission gear 205 and driven gear 207, to realize the rotation of threaded cylinder 209, the second limiting rod of connecting rod 208 is threadedly connected using threaded cylinder 209, to make it slide down along the second fixed rod of connecting rod 208 and enter the inside of the connecting pipe 206 of another group of circuit protection 1,And with the connecting pipe 206 threaded connection so as to realize the circuit protector 1 and the circuit protector 1 of the connection.

[0025] With reference to the description attached Figures 1-5 The top end of the extension seat 101 is fixedly connected with a reinforcing rib 7, and a plurality of groups of heat dissipation holes 8 are formed in the surface of the reinforcing rib 7. The reinforcing rib 7 and the heat dissipation holes 8 are used to increase the heat dissipation performance of the structure. Second heat dissipation grooves 5 are formed in the two sides of the extension seat 101. The top of the second heat dissipation grooves 5 is communicated with first heat dissipation grooves 4, and the width of the first heat dissipation grooves 4 is smaller than that of the second heat dissipation grooves 5. The first heat dissipation grooves 4 are formed in the two sides of the extension seat 101. The first heat dissipation grooves 4 and the second heat dissipation grooves 5 are used to provide space for heat dissipation of the circuit protector 1.

[0026] The utility model discloses a working principle:

[0027] With reference to the description attached Figures 1-5 When the circuit protector 1 needs to be installed, first, the circuit protector 1 and the wrapping part 6 are sleeved on the outside of the mounting seat 3 so that they can be slid to the working position. Then, the rotating shaft 201 drives the first limiting rod of the first splicing rod 202 to move so that it is screwed with the bottom wall of the protection box 203. Thus, it is slid downward along the first fixed rod of the first splicing rod 202 into the inside of the limiting hole 204. Through the rotation of the rotating shaft 201, the rotating shaft 201 drives the rotation of the transmission gear 205 and the driven gear 207, so as to realize the rotation of the threaded cylinder 209. The threaded cylinder 209 drives the second limiting rod of the connecting rod 208 to be screwed, so that it is rotated along the second fixed rod of the connecting rod 208 into the inside of the connecting pipe 206 of another group of circuit protectors 1, and is screwed with the connecting pipe 206, so as to realize the connection of the circuit protector 1 and the circuit protector 1. Thus, the installation efficiency is improved.

[0028] The above only describes certain exemplary embodiments of the utility model in a descriptive manner, without doubt, for ordinary skilled in the art, under the condition that the spirit and scope of the utility model are not deviated, the described embodiments can be modified in various different ways. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the utility model claims.

Claims

1. A stepped circuit breaker base splicing structure, including a circuit breaker protector (1), characterized in that: An extension seat (101) is fixedly connected to the bottom end of the circuit breaker (1). A quick-connect mechanism (2) is provided inside the circuit breaker (1). The quick-connect mechanism (2) includes a rotating shaft (201) rotatably connected to the top end of the circuit breaker (1). A first connecting rod (202) is provided inside the rotating shaft (201). The first connecting rod (202) includes a first fixing rod and a first limiting rod fixedly connected to the inner top wall of the rotating shaft (201), and the first limiting rod is slidably connected to... The outer side wall of the first fixed rod, the outer side of the rotating shaft (201) is provided with a protective box (203), the protective box (203) is fixedly connected to the inner top wall of the circuit breaker (1), the inner side wall of the protective box (203) is rotatably connected with a threaded cylinder (209), the outer side wall of the threaded cylinder (209) is fixedly connected with a driven gear (207), the top of the driven gear (207) is meshed with a transmission gear (205) and the transmission gear (205) is fixedly connected to the outer side wall of the rotating shaft (201).

2. The stepped circuit breaker base splicing structure according to claim 1, characterized in that: The inner wall of the threaded cylinder (209) is provided with a connecting rod (208). The connecting rod (208) includes a second fixed rod and a second limiting rod fixedly connected to the inner wall of the threaded cylinder (209), and the second limiting rod is slidably connected to the outer wall of the second fixed rod. The second limiting rod and the first limiting rod are respectively threadedly connected to the bottom wall of the protective box (203) and the side wall of the circuit breaker (1).

3. The stepped circuit breaker base splicing structure according to claim 1, characterized in that: The extension seat (101) is fixedly connected to one side of the wrapping part (6), the circuit breaker (1) and the wrapping part (6) slide on the outer side wall of the mounting seat (3), and the surface of the mounting seat (3) is provided with a limiting hole (204) and the limiting hole (204) is engaged with the first splicing rod (202).

4. The stepped circuit breaker base splicing structure according to claim 1, characterized in that: The circuit breaker (1) is fixedly connected to a connecting pipe (206) on the side away from the connecting rod (208). The inner diameter of the connecting pipe (206) is the same as that of the connecting rod (208), and the inside of the connecting pipe (206) is threaded.

5. The stepped circuit breaker base splicing structure according to claim 1, characterized in that: The top end of the extension base (101) is fixedly connected to a reinforcing rib (7), and the surface of the reinforcing rib (7) is provided with several sets of heat dissipation holes (8).

6. The stepped circuit breaker base splicing structure according to claim 1, characterized in that: The extension base (101) has a second heat dissipation groove (5) on both sides. The top of the second heat dissipation groove (5) is connected to the first heat dissipation groove (4), and the width of the first heat dissipation groove (4) is smaller than the width of the second heat dissipation groove (5). The first heat dissipation groove (4) is located on both sides of the extension base (101).

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