A stable installation RCD device

Abstract

The utility model discloses a kind of RCD devices of stable installation, the utility model is provided with mounting mechanism to replace existing buckle structure, by adjustable rubber block abutting guide rail surface along vertical direction, and further realize the purpose that RCD main body can still be adjusted after installation, further, through the screw thread connection of worm gear and screw rod drives rubber block to move, utilize the characteristic of screw thread self-locking, ensure that rubber block can keep stable after moving, and further improve the stability after RCD main body installation, further, by adjusting shaft, operating slot and worm sleeve rotation, drive worm gear rotation, its operating direction is located RCD main body front end, more convenient to operate, and longer main cavity and larger area side cavity can avoid the wiring slot of lower wiring part, also facilitate the installation of adjusting shaft and worm gear.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrical equipment technical field especially relates to a kind of RCD device of stable installation. BACKGROUND

[0002] RCD device (residual current operated protective device, residual current device) is a kind of electric leakage protection device, mainly used to prevent single-phase electric shock accident, fire and equipment damage caused by electric leakage, RCD device detects residual current in circuit, when current reaches set threshold, power will be automatically cut off, to protect personal safety and equipment safety, the existing RCD device except RCD main body, including upper wiring part and lower wiring part, two wiring parts are each equipped with wiring slot, and the top of the back of RCD main body is equipped with hook, and the bottom of the back is equipped with buckle structure, by buckle moves up and clamps, RCD main body is installed on the guide rail in cabinet;

[0003] The existing RCD device is fixed by relying on buckle structure, and the clamping degree cannot be adjusted, that is, the extrusion force between the clamping plate in buckle structure and guide rail cannot be adjusted, so that the RCD device is not convenient to adjust after installation, and cannot be adjusted if unstable installation occurs. SUMMARY

[0004] In view of the above defects or deficiencies in the prior art, it is desirable to provide a stable RCD device.

[0005] The utility model provides a kind of stable RCD device of installation, including RCD main body, and the upper wiring part of being equipped at the top of the RCD main body, and the lower wiring part of being equipped at the bottom of the RCD main body, the upper wiring part back end is equipped with along first direction several hooks, the lower wiring part bottom end is equipped with mounting mechanism, the RCD main body is detachably installed on guide rail by the hook and the mounting mechanism, and the mounting mechanism includes:

[0006] Fixed part, including the first box body and second box body of being equipped at the bottom surface along the first direction both ends of lower wiring part;

[0007] Rubber block, is equipped at the back of the lower wiring part, can be moved along third direction and abuts the outer surface of the guide rail, and the third direction and the first direction are perpendicular to each other;

[0008] Two drive parts are respectively equipped on the first box body and the second box body, for driving the rubber block to move along third direction.

[0009] According to the technical scheme provided in the embodiment of the present application, the driving part comprises a worm gear arranged inside the first box body or the second box body, a screw rod is threadedly connected inside the worm gear, a limiting groove is arranged on the side surface, the worm gear, the screw rod and the limiting groove all extend in a third direction, the rubber block is arranged at the top end of the screw rod, a limiting groove is arranged in the middle part of the screw rod, a limiting rod is arranged inside the limiting groove, one end of the limiting rod extends out of the limiting groove and is connected with the first box body or the second box body.

[0010] The first box body and the second box body are both provided with an adjusting shaft which is rotatably connected and penetrates through, the axis of the adjusting shaft extends in a second direction, a worm sleeve is arranged at the position of the worm gear corresponding to the adjusting shaft, the worm sleeve is in meshing transmission connection with the worm gear, the third direction, the second direction and the first direction are perpendicular to each other.

[0011] According to the technical scheme provided in the embodiment of the present application, the first box body and the second box body are both provided with a main cavity at the end close to each other, the first box body and the second box body are both provided with a side cavity which is in communication with the main cavity at the end away from each other, the adjusting shaft penetrates through the front end and the rear end of the main cavity, the worm gear is arranged inside the side cavity, and the top surface and the bottom surface of the worm gear are both attached to the inner wall of the side cavity.

[0012] According to the technical scheme provided in the embodiment of the present application, the hook is in inverted L shape, the rubber block is in cylindrical shape, and the bottom of the hook close to the side wall of the RCD main body is tangent to the arc-shaped outer surface of the rubber block.

[0013] According to the technical scheme provided in the embodiment of the present application, the front end of the adjusting shaft is provided with an operation groove which is fitted with the operation end of a screwdriver.

[0014] According to the technical scheme provided in the embodiment of the present application, the top end of the upper wiring part is provided with a stabilizing mechanism which is used for clamping and connecting the wire of the RCD main body.

[0015] According to the technical scheme provided in the embodiment of the present application, the top end of the upper wiring part is provided with a plurality of wiring grooves in the first direction, and the stabilizing mechanism comprises:

[0016] a fixed plate which is arranged at the top end of the upper wiring part,

[0017] a movable plate which is arranged at one side of the fixed plate, and the fixed plate and the movable plate are both recessed in opposite directions to form wire clamping grooves at positions corresponding to the wiring grooves;

[0018] a limiting part which is arranged on the fixed plate and the movable plate and is used for limiting the movement of the fixed plate and the movable plate towards the side away from each other.

[0019] According to the technical scheme provided in the embodiment of the application, the limiting part comprises a plurality of plug-in groups arranged on the fixed plate and located on one side of the wire clamping groove, each plug-in group comprises a plurality of plug-in columns arranged in a third direction, the axis of each plug-in column extends in a second direction, the movable plate is provided with a through hole at a position corresponding to each plug-in column, and the outer surface of each plug-in column is provided with a plurality of inclined plates, each inclined plate and the plug-in column have a first included angle, and the first included angle opens towards the side away from the fixed plate.

[0020] Compared with the prior art, the utility model has the beneficial effects that:

[0021] The mounting mechanism replaces the existing buckle structure, the rubber block abuts against the guide rail surface in the vertical direction, and the RCD main body can be adjusted after installation, further, the rubber block is driven to move through the threaded connection of the worm gear and the screw rod, the self-locking characteristic of the thread is utilized, the stability of the rubber block after movement is ensured, and the stability of the RCD main body after installation is improved, and further, the adjusting shaft, the operation groove and the worm sleeve are rotated to drive the worm gear to rotate, the operation direction is located at the front end of the RCD main body, the operation is more convenient, and the long main cavity and the large-area side cavity can avoid the wiring slot of the lower wiring part, and the installation of the adjusting shaft and the worm gear is also convenient;

[0022] In addition, the stable mechanism is also arranged, the movable plate is close to the fixed plate, the wire clamping grooves of the two plates can clamp the wire, deviation between the wire and the wiring slot is avoided, and the plug-in column, the inclined plate and the through hole are arranged, so that the position deviation of the movable plate after installation is avoided, the stability of the movable plate after installation is improved, the operation is convenient, the practicality is high, and the efficiency is high.

[0023] It should be understood that the content described in the utility model content part is not intended to limit the key or important features of the embodiments of the utility model, nor is it intended to limit the scope of the utility model. Other features of the utility model will become apparent through the following description. BRIEF DESCRIPTION OF DRAWINGS

[0024] Other features, objects and advantages of the utility model will become more apparent through reading the detailed description of the non-limiting embodiments made by referring to the following drawings:

[0025] Figure 1 A structure schematic diagram of the RCD device with stable installation provided in the embodiment of the application is provided.

[0026] Figure 2 A back structure schematic diagram of the RCD device with stable installation provided in the embodiment of the application is provided.

[0027] Figure 3A right view of the RCD device with stable installation provided by the embodiment of the application;

[0028] Figure 4 An internal structure diagram of the first box body in the RCD device with stable installation provided by the embodiment of the application;

[0029] Figure 5 A structure diagram of the stabilizing mechanism in the RCD device with stable installation provided by the embodiment of the application.

[0030] In the figure, 1 is an RCD main body; 11 is an upper wiring part; 12 is a lower wiring part; 13 is a wiring slot; 2 is an installation mechanism; 21 is a first box body; 22 is a second box body; 23 is a main cavity; 24 is a side cavity; 25 is an adjusting shaft; 26 is a worm sleeve; 27 is a worm wheel; 28 is a screw rod; 29 is a limiting slot; 210 is a rubber block; 211 is a limiting rod; 213 is an operation slot; 3 is a stabilizing mechanism; 31 is a fixed plate; 32 is a movable plate; 33 is a wire clamping slot; 34 is a through hole; 35 is a plug-in column; 36 is an inclined plate; 4 is a guide rail; and 5 is a hook. DETAILED DESCRIPTION

[0031] The utility model will be explained in further detail below by combining with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the related utility model, and are not limited to the utility model. In addition, it needs to be explained that only the parts related to the utility model are shown in the drawings for the convenience of description.

[0032] It needs to be explained that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict. The utility model will be explained in detail below by combining with the embodiments and referring to the drawings.

[0033] Please refer to Figures 1-5 The embodiment of the utility model provides a kind of RCD device with stable installation, including RCD main body 1, and the upper wiring part 11 of being located at the top end of RCD main body 1, and the lower wiring part 12 of being located at the bottom end of RCD main body 1, upper wiring part 11 back end is equipped with along first direction several hooks 5, lower wiring part 12 bottom end is equipped with installation mechanism 2, RCD main body 1 is detachably installed on guide rail 4 by hook 5 and installation mechanism 2, installation mechanism 2 includes:

[0034] fixed part, including the first box body 21 and second box body 22 of being located at the bottom surface along the first direction both ends of lower wiring part 12;

[0035] rubber block 210, is located at the back side of lower wiring part 12, can be moved along third direction and abuts to the outer surface of guide rail 4, third direction and first direction are perpendicular to each other, wherein first direction is Figure 1 left and right direction in Figure 1the up-down direction in the figure;

[0036] Two driving portions are respectively arranged on the first box body 21 and the second box body 22, and are used for driving the rubber block 210 to move along the third direction;

[0037] As shown in Figure 1 , Figure 2 and Figure 3 , the mounting mechanism 2 is used to replace the existing buckle structure, the rubber block 210 abuts against the surface of the guide rail 4 in the vertical direction, and the purpose of adjusting after the RCD main body 1 is mounted is achieved, and the problem that the existing buckle structure cannot be adjusted after being mounted is solved.

[0038] In some embodiments, the driving portion comprises a worm gear 27 arranged inside the first box body 21 or the second box body 22, a screw rod 28 is threadedly connected inside the worm gear 27, a limiting groove 29 is arranged on the side surface, the extending directions of the worm gear 27, the screw rod 28 and the limiting groove 29 are all the third direction, the rubber block 210 is arranged at the top end of the screw rod 28, the limiting groove 29 is arranged in the middle of the screw rod 28, a limiting rod 211 is arranged inside the limiting groove 29, and one end of the limiting rod 211 extends out of the limiting groove 29 and is connected with the first box body 21 or the second box body 22;

[0039] The first box body 21 and the second box body 22 are both rotatably connected with an adjusting shaft 25, the extending direction of the axis of the adjusting shaft 25 is the second direction, the adjusting shaft 25 is provided with a worm sleeve 26 at the position corresponding to the worm gear 27, the worm sleeve 26 is in meshing transmission connection with the worm gear 27, the third direction, the second direction and the first direction are perpendicular to each other, wherein the second direction is Figure 1 the front-rear direction in the figure;

[0040] As shown in Figure 4 , wherein the top end and the bottom end of the first box body 21 and the second box body 22 are both provided with a hole through which the screw rod 28 extends out, the adjusting shaft 25 is rotated to drive the worm sleeve 26 to rotate, the worm sleeve 26 drives the worm gear 27 to rotate through meshing transmission connection, the worm gear 27 is arranged in the first box body 21 or the second box body 22, and will not deviate in the up-down direction, in addition, because a part of the limiting rod 211 is clamped in the limiting groove 29, the screw rod 28 will not rotate synchronously with the worm gear 27, but will move upward or downward under the action of the thread, thereby driving the rubber block 210 to move in the vertical direction, and the purpose of moving the rubber block 210 upward and downward and abutting against the outer surface of the guide rail 4 is achieved.

[0041] In some embodiments, the first box 21 and the second box 22 are provided with a main cavity 23 at the end close to each other, and are provided with a side cavity 24 at the end away from each other, the side cavity 24 is in communication with the main cavity 23, the adjusting shaft 25 penetrates through the front end and the rear end of the main cavity 23, the worm gear 27 is arranged inside the side cavity 24, and the top surface and the bottom surface of the worm gear 27 are attached to the inner wall of the side cavity 24, so as to limit the movement of the worm gear 27 in the vertical direction, and ensure the stable meshing transmission relationship between the worm gear 27 and the worm sleeve 26.

[0042] As shown in Figure 1 , Figure 2 and Figure 4 , the main cavity 23 is arranged to avoid the wiring groove 13 of the lower wiring part 12, so as to avoid the interference of the first box 21 or the second box 22 to the wire connection of the lower part of the RCD main body 1, and further, the first box 21 and the second box 22 arranged symmetrically have higher stability after installation.

[0043] In some embodiments, the hook 5 is in the shape of inverted L, and the rubber block 210 is in the shape of cylinder, the bottom of the hook 5 is tangent to the arc outer surface of the rubber block 210 close to the side wall of the RCD main body 1; as shown in Figure 3 , because the top end of the guide rail 4 has an upward extending edge, and the bottom end has a downward extending edge, under the above tangential relationship, the hook 5 and the rubber block 210 can respectively abut against the side surface of the corresponding edge, and further improve the stability after installation.

[0044] In some embodiments, the front end of the adjusting shaft 25 is provided with an operation groove 213, and the operation groove 213 is matched with the operation end of the screwdriver; as shown in Figure 1 , optionally, the screwdriver can be a cross screwdriver, a straight screwdriver or an internal hexagonal screwdriver, and correspondingly, the operation groove 213 is a cross groove, a straight groove or a hexagonal groove, so that the user can rotate the adjusting shaft 25 through the tool, and the adjustment is more flexible and convenient.

[0045] In some embodiments, the top end of the upper wiring part 11 is provided with the stabilizing mechanism 3, and the stabilizing mechanism 3 is used for clamping the wire connected to the RCD main body 1; as shown in Figure 1 and Figure 5 , the stability of the wire is improved, and the situation that the wire is bent and damaged or loose is avoided.

[0046] In some embodiments, the top end of the upper wiring part 11 is provided with a plurality of wiring grooves 13 in the first direction, and the stabilizing mechanism 3 comprises:

[0047] a fixed plate 31 arranged at the top end of the upper wiring part 11,

[0048] a movable plate 32 arranged at one side of the fixed plate 31, and the fixed plate 31 and the movable plate 32 are recessed in opposite directions to form wire clamping grooves 33 at positions corresponding to the wiring grooves 13;

[0049] The limiting part is arranged on the fixed plate 31 and the movable plate 32, and is used for limiting the fixed plate 31 and the movable plate 32 from moving away from each other;

[0050] As shown in Figure 1 and Figure 5 , after the movable plate 32 is pushed to the fixed plate 31, the corresponding wire clamping groove 33 clamps the electric wire, and the stability of the movable plate 32 is ensured under the action of the limiting part, so as to avoid the shaking of the electric wire and reduce the damage or loose contact of the electric wire caused by shaking or pulling.

[0051] In some embodiments, the limiting part includes a plurality of plug-in groups arranged on the fixed plate 31 and located on one side of the wire clamping groove 33, each plug-in group includes a plurality of plug-in columns 35 arranged in the third direction, the axis of each plug-in column 35 extends in the second direction, the movable plate 32 is provided with a through hole 34 at the position corresponding to each plug-in column 35, and the outer surface of the plug-in column 35 is provided with a plurality of inclined plates 36, each inclined plate 36 has a first included angle with the plug-in column 35, and the first included angle opens towards the side away from the fixed plate 31;

[0052] As shown in Figure 5 , the arrangement of the inclined plate 36 makes the movable plate 32 more easily close to the fixed plate 31, and the first included angle towards the fixed plate 31 limits the movable plate 32 from moving away from the fixed plate 31, thereby ensuring the stability of the movable plate 32 after installation and achieving the purpose of stably clamping the electric wire.

[0053] In the description of the present specification, the terms "connection", "installation", "fixation" and the like should be understood in a broad sense, for example, "connection" can be fixed connection, can also be detachable connection, or integrally connected; can be directly connected, or indirectly connected through an intermediate medium. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0054] In the description of the present specification, the terms "one embodiment", "some embodiments" and the like mean 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 refer to 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.

[0055] The above is only the preferred embodiment of the present application, and is not used to limit the present application. For those skilled in the art, the present application can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A stable installation RCD device, comprising an RCD main body (1), and an upper wiring part (11) arranged at the top end of the RCD main body (1), and a lower wiring part (12) arranged at the bottom end of the RCD main body (1), characterized in that, The upper wiring part (11) is provided with a plurality of hooks (5) along the first direction at the back end, the lower wiring part (12) is provided with a mounting mechanism (2) at the bottom end, the RCD main body (1) is detachably mounted on the guide rail (4) through the hooks (5) and the mounting mechanism (2), the mounting mechanism (2) comprises: The fixed part comprises a first box body (21) and a second box body (22) provided on the bottom surface of the lower wiring part (12) along the two ends of the first direction; The rubber block (210) is provided on the back side of the lower wiring part (12) and can move along the third direction and abut against the outer surface of the guide rail (4), the third direction and the first direction are perpendicular to each other; Two driving parts are respectively provided on the first box body (21) and the second box body (22) for driving the rubber block (210) to move along the third direction.

2. The installation-stable RCD arrangement of claim 1, wherein The driving part comprises a worm gear (27) provided inside the first box body (21) or the second box body (22), a screw rod (28) is threadedly connected inside the worm gear (27), a limiting groove (29) is formed in the side surface, the extension directions of the worm gear (27), the screw rod (28) and the limiting groove (29) are all the third direction, the rubber block (210) is provided at the top end of the screw rod (28), the limiting groove (29) is provided at the middle part of the screw rod (28), a limiting rod (211) is provided inside the limiting groove (29), one end of the limiting rod (211) extends out of the limiting groove (29) and is connected with the first box body (21) or the second box body (22); The first box body (21) and the second box body (22) are both provided with a regulating shaft (25) penetratingly and rotatably connected, the axis of the regulating shaft (25) extends in the second direction, the regulating shaft (25) is provided with a worm sleeve (26) at the position corresponding to the worm gear (27), the worm sleeve (26) is in meshing transmission connection with the worm gear (27), the third direction, the second direction and the first direction are perpendicular to each other.

3. The installation-stable RCD arrangement of claim 2, wherein, The first box body (21) and the second box body (22) are both provided with a main cavity (23) at the end close to each other, the first box body (21) and the second box body (22) are both provided with a side cavity (24) in communication with the main cavity (23) at the end away from each other, the regulating shaft (25) penetrates the front end and the rear end of the main cavity (23), the worm gear (27) is provided inside the side cavity (24), and the top surface and the bottom surface of the worm gear (27) are both attached to the inner wall of the side cavity (24).

4. The installation-stable RCD arrangement of claim 2, wherein, The hook (5) is inverted L-shaped, the rubber block (210) is a cylinder, and the bottom of the hook (5) is tangent to the arc-shaped outer surface of the rubber block (210) close to the side wall of the RCD main body (1).

5. The installation-stable RCD arrangement of claim 2, wherein, The front end of the regulating shaft (25) is provided with an operation groove (213), and the operation groove (213) is engaged with the operation end of a screwdriver.

6. The installation-stable RCD arrangement of claim 2, wherein, The top end of the upper wiring part (11) is provided with a stabilizing mechanism (3), and the stabilizing mechanism (3) is used for clamping the wire of the RCD main body (1).

7. The installation-stable RCD arrangement of claim 6, wherein The upper terminal portion (11) top end is provided with a plurality of terminal grooves (13) along a first direction, and the stabilizing mechanism (3) comprises: a fixed plate (31) provided at the upper terminal portion (11) top end, a movable plate (32) provided at one side of the fixed plate (31), and the fixed plate (31) and the movable plate (32) are recessed in opposite directions to form a wire clamping groove (33) at positions corresponding to the terminal grooves (13); a limiting portion provided on the fixed plate (31) and the movable plate (32) for limiting the movement of the fixed plate (31) and the movable plate (32) away from each other.

8. The installation-stable RCD arrangement of claim 7, wherein, The limiting portion comprises a plurality of plug-in groups provided on the fixed plate (31) and located on one side of the wire clamping groove (33), each plug-in group comprises a plurality of plug-in columns (35) arranged along a third direction, the axis of each plug-in column (35) extends in a second direction, the movable plate (32) is provided with a through hole (34) at a position corresponding to each plug-in column (35), and the outer surface of the plug-in column (35) is provided with a plurality of inclined plates (36), each inclined plate (36) has a first included angle with the plug-in column (35), and the first included angle opens towards the side away from the fixed plate (31).

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