CN215069842U

CN215069842U - Fool-proof structure of indicating disc for electric operating mechanism

Info

Publication number: CN215069842U
Application number: CN202121329518.1U
Authority: CN
Inventors: 虞芹; 楼峰
Original assignee: Suzhou Future Electrical Appliance Co ltd
Current assignee: Suzhou Future Electrical Appliance Co ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2021-12-07
Anticipated expiration: 2031-06-15

Abstract

The utility model relates to a fool-proof structure of indicating disc for electric operating mechanism, include the pivot and install the epaxial indicating disc of commentaries on classics the indicating disc on be provided with the pilot mark the indicating disc on seted up the fixed orifices, the head of pivot insert in the fixed orifices, the fixed orifices by first arc limit, first straight flange, second arc limit and second straight flange meet in proper order end to end and form, first straight flange parallel with the second straight flange, the length of first straight flange be greater than the length of second straight flange, the appearance of pivot head the same with the shape of fixed orifices. Adopt first straight flange and second straight flange and both length difference, cooperation between them can prevent that pivot and indicator panel can not adorn when the assembly from turning over when can realizing that pivot drive indicator panel moves, can not appear and adorn the phenomenon emergence of reassembling of dismantling after the dress turns over, has saved installation time, can improve installation effectiveness, reduction in production cost.

Description

Fool-proof structure of indicating disc for electric operating mechanism

Technical Field

The utility model belongs to the technical field of the circuit breaker control technique and specifically relates to a fool-proof structure of indicating disc for electric operating mechanism is related to.

Background

The electric operating mechanism is an electric appliance for realizing automatic and remote control of the circuit breaker, and displays the switching-on and switching-off of the circuit breaker through an indicating disc on the surface of the electric operating mechanism. When the electric operating mechanism on the existing market indicates a window, most of indicating discs are indicated in a mode of being covered by stickers, and an assembler indicates the indicating discs by sticking the stickers during assembly, but different people have different proficiency, poor consistency and are easy to deviate, so that the indicating disc of the product indicates that the phenomenon of sticking by mistake, sticking by mistake and the like can occur, reworking and reassembling or sticking the stickers are needed, and the primary qualified rate of the product cannot be ensured; and present electric operating mechanism's indicator panel adopts printing ink rendition or the mode of direct coating to carry out the colour and covers, directly prints the colour to the indicator panel on, if in the assembling process, the indicator panel is with the pivot head dress back that is turned over, need dismantle again and reassemble, will lead to extravagant manpower and time like this, has reduced production efficiency.

Disclosure of Invention

The utility model aims to solve the technical problem that a prevent slow-witted structure of indicator disk for electric operating mechanism that can prevent that assembly personnel from adorning anti-positively is provided.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides a fool-proof structure of indicating disc for electric operating mechanism, includes the pivot and installs at the epaxial indicating disc of commentaries on classics the indicating disc on be provided with the pilot mark the indicating disc on seted up the fixed orifices, the head of pivot insert in the fixed orifices, the fixed orifices by first arc limit, first straight flange, second arc limit and second straight flange head and the tail formation in proper order, first straight flange parallel with the second straight flange, the length of first straight flange be greater than the length of second straight flange, the appearance of pivot head the same with the shape of fixed orifices.

Further specifically, an anti-reflection assembly for convenient observation by naked eyes is arranged between the fixing hole and the rotating shaft head.

Further specifically, the anti-reverse assembly comprises a first protrusion arranged on the first arc edge and a first groove arranged at a corresponding position of the rotating shaft head, and the first protrusion is inserted into the first groove when the rotating shaft is inserted into the fixing hole.

Further specifically, the anti-reverse assembly comprises a second groove arranged on the first arc edge and a second protrusion arranged at a position corresponding to the rotating shaft head, and the second protrusion is inserted into the second groove when the rotating shaft is inserted into the fixing hole.

More specifically, the fixed hole is in a track shape.

Further specifically, the surface shape of the indicating disc is formed by a first arc section, a second arc section and a transition section at the joint of the first arc section and the second arc section, and the diameter of the motion circular track of the first arc section is larger than that of the motion circular track of the second arc section.

More specifically, the circle centers of the first arc section and the second arc section are overlapped, and the diameter of the first arc section is larger than that of the second arc section.

More specifically, the indicating plate comprises a plate body, a first positioning block which is positioned in the middle of the plate body and protrudes upwards, a second positioning block which is positioned in the middle of the plate body and protrudes downwards, a working plate which is positioned on the periphery of the plate body and extends downwards, and a plurality of reinforcing ribs which are positioned between the working plate and the second positioning block; the fixing hole is arranged on the first positioning block and penetrates through the indicating disc.

Further specifically, the first positioning block and the second positioning block are cylindrical and have the same axis, and the circle centers of the first arc section, the second arc section and the fixing hole are located on the axis of the first positioning block and the axis of the second positioning block.

More specifically, the first arc edge and the second arc edge are located on the same circumference.

The utility model has the advantages that: adopt first straight flange and second straight flange and both length difference, cooperation between them can prevent that pivot and indicator panel can not adorn when the assembly from turning over when can realizing that pivot drive indicator panel moves, can not appear and adorn the phenomenon emergence of reassembling of dismantling after the dress turns over, has saved installation time, can improve installation effectiveness, reduction in production cost.

Drawings

Fig. 1 is a schematic view of an assembly structure of the present invention;

FIG. 2 is a schematic top view of the structure of FIG. 1;

fig. 3 is a schematic structural diagram of the indicator panel of the present invention;

fig. 4 is a schematic structural diagram of the rotating shaft of the present invention.

In the figure: 1. a rotating shaft; 2. an indicator panel; 3. an anti-reflection assembly; 11. a third arc edge; 12. a third straight side; 13. a fourth arc edge; 14. a fourth straight side; 21. a fixing hole; 22. a tray body; 23. a first positioning block; 24. a working plate; 211. a first arc edge; 212. a first straight side; 213. a second arc edge; 214. a second straight side; 221. a first arc segment; 222. a second arc segment; 223. a transition section; 31. a first protrusion; 32. a first groove.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 4, the fool-proof structure of the indicating dial for the electric operating mechanism comprises a rotating shaft 1 and an indicating dial 2 installed on the rotating shaft 1, wherein the rotating shaft 1 is driven by a motor, and the rotating shaft 1 drives the indicating dial 2 to rotate; the indicating plate 2 is provided with an indicating mark which is used for indicating the action position of the electric operating mechanism to indicate the closing state and the opening state of the circuit breaker; the indicating plate 2 is provided with a fixing hole 21, the head of the rotating shaft 1 is inserted into the fixing hole 21, the fixing hole 21 is formed by connecting a first arc edge 211, a first straight edge 212, a second arc edge 213 and a second straight edge 214 end to end in sequence, the first straight edge 212 is parallel to the second straight edge 214, the length of the first straight edge 212 is greater than the length of the second straight edge 214, the shape of the head of the rotating shaft 1 is the same as that of the fixing hole 21, the shape of the head of the rotating shaft 1 comprises a third arc edge 11, a third straight edge 12, a fourth arc edge 13 and a fourth straight edge 14, the length of the corresponding third straight edge 12 is greater than that of the fourth straight edge 14, meanwhile, the length of the third straight edge 12 is greater than that of the second straight edge 214, the length of the first straight edge 212 is greater than that of the fourth straight edge 14, and the head of the rotating shaft 1 drives the indicating disc 2 through the third straight edge 12 and the fourth straight edge 14; the first straight edge 212 is matched with the third straight edge 12, and the second straight edge 214 is matched with the fourth straight edge 14, so that the phenomenon of reverse assembly in the assembly process is avoided, and when the assembly process is performed reversely (namely the first straight edge 212 is matched with the fourth straight edge 14, and the second straight edge 214 is matched with the third straight edge 12), the head of the rotating shaft 1 cannot be inserted into the fixing hole 21.

The structure can complete the driving task and can prevent the reverse installation phenomenon, but in the actual assembly process, because the size lengths of the first straight edge 212 and the second straight edge 214, and the size lengths of the third straight edge 12 and the fourth straight edge 14 are difficult to distinguish by naked eyes without careful observation, when the head of the rotating shaft 1 is inserted into the fixed hole 21 reversely, the rotating shaft 1 needs to be rotated to be inserted again, which wastes time and affects the assembly effect.

The reverse insertion action is realized by arranging the anti-reverse component 3 between the fixing hole 21 and the head of the rotating shaft 1, the anti-reverse component 3 is a protrusion and a groove which are arranged between the fixing hole 21 and the head of the rotating shaft 1, when the protrusion can be inserted into the groove, the protrusion cannot be reversely installed, and the protrusion and the groove can be arranged at different positions, so that the cooperation of the protrusion and the groove is realized.

In the scheme, two forms are mainly adopted, the first form is that a first bulge 31 is arranged on the first arc edge 211, a first groove 32 is arranged at a position corresponding to the head of the rotating shaft 1, namely the first groove 32 is arranged on the third arc edge 13, and the first bulge 31 is inserted into the first groove 32 when the rotating shaft 1 is inserted into the fixing hole 21; secondly, a second groove is arranged on the first arc edge 211, a second bulge is arranged at a position corresponding to the head of the rotating shaft 1, namely the second bulge is arranged on the third arc edge 12, and the second bulge is inserted into the first groove when the rotating shaft 1 is inserted into the fixing hole 21; the protrusion and the groove can be arranged between the first straight edge and the third straight edge, and between the second straight edge and the fourth straight edge as required.

In the shape of the fixing hole 21, the first arc edge 211 and the second arc edge 213 may be in other shapes, and in this embodiment, the first arc edge 211 and the second arc edge 213 are both arc-shaped and protrude outward, so that the shape of the fixing hole 21 is racetrack-shaped, and meanwhile, the first arc edge 211 and the second arc edge 213 are taken from partial arc segments of the same circle.

The indicating plate 2 comprises a plate body 22, a first positioning block 23 which is positioned in the middle of the plate body 22 and protrudes upwards, a second positioning block which is positioned in the middle of the plate body 22 and protrudes downwards, a working plate 24 which is positioned on the periphery of the plate body 22 and protrudes downwards, and a plurality of reinforcing ribs which are positioned between the working plate 24 and the second positioning block; the first locating block 23 is used for being matched with a top cover of an electric operating mechanism to locate the position of the top cover, the second locating block, the working plate 24 and the reinforcing ribs are matched to improve the overall strength of the indicating disc 2, the first locating block 23 and the second locating block are cylindrical and have the same diameter, meanwhile, the first locating block 23 and the second locating block have the same axis, the fixing hole 21 is located in the middle of the first locating block 23, the axis of the fixing hole 21 is the same as the axis of the first locating block 23, the fixing hole 21 penetrates through the indicating disc 2, namely, the fixing hole 21 penetrates through the first locating block 23, the disc body 22 and the second locating block, and the indicating disc 2 rotates around the axis of the first locating block 23.

The appearance of the disk surface of the indicating disk 2 is formed by a first arc section 221, a second arc section 222 and a transition section 223 at the joint of the first arc section 221 and the second arc section 222, the first arc section 221, the second arc section 222 and the transition section 223 form a closed shape, the working plate 24 extends downwards along the first arc section 221, the second arc section 222 and the transition section 223 to form a circle, and the working plate 24 at the first arc section 221 and the working plate 24 at the second arc section 222 correspond to different working states of the circuit breaker respectively.

The path of the first arc section 221 moving along with the rotation of the indicating dial 2 is a circular track, the path of the second arc section 222 moving along with the rotation of the indicating dial 2 is a circular track, and the diameter of the circular track of the first arc section 221 is larger than that of the circular track of the second arc section 222. Further, the first arc section 221 is a partial arc section cut from the same circle, the second arc section 222 is a partial arc section cut from the same circle, the center of the first arc section 221 and the center of the second arc section 222 are located on the axis of the first positioning block 23, and the centers of the first arc edge 211 and the second arc edge 213 are also located on the axis of the first positioning block 23.

The indicating plate 2 is characterized in that the plate body 22, the first positioning block 23, the second positioning block, the working plate 24 and the reinforcing ribs are made of plastic and are integrally formed through injection molding.

In summary, the lengths of the first straight edge 212 and the second straight edge 214 are different, and the lengths of the third straight edge 12 and the fourth straight edge 14 are different, so as to ensure that no misoperation occurs during the assembly process, and no disassembly and rework are required; the direction can be visually observed through eyes by arranging the anti-reflection assembly 3 (matching of the convex block and the groove), so that the time for rotating the rotating shaft 1 when the rotating shaft 1 cannot be inserted into the fixing hole 21 can be saved, and the production efficiency of products is further improved.

It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any form, and any simple modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a prevent slow-witted structure of indicator panel for electric operating mechanism, includes pivot (1) and installs indicator panel (2) on pivot (1), indicator panel (2) on be provided with the pilot mark, characterized in that, indicator panel (2) on seted up fixed orifices (21), the head of pivot (1) insert in fixed orifices (21), fixed orifices (21) by first arc limit (211), first straight flange (212), second arc limit (213) and second straight flange (214) in proper order end to end formation, first straight flange (212) be parallel with second straight flange (214), the length of first straight flange (212) be greater than the length of second straight flange (214), the appearance of pivot (1) head be the same with the shape of fixed orifices (21).

2. The fool-proofing structure of the indicating dial for the electric operating mechanism according to claim 1, characterized in that an anti-reversion assembly (3) for visual observation is arranged between the fixing hole (21) and the head of the rotating shaft (1).

3. The fool-proofing structure of the indicating dial for the electric operating mechanism according to claim 2, wherein the anti-reverse assembly (3) comprises a first protrusion (31) arranged on the first arc edge (211) and a first groove (32) arranged at a corresponding position of the head of the rotating shaft (1), and the first protrusion (31) is inserted into the first groove (32) when the rotating shaft (1) is inserted into the fixing hole (21).

4. The fool-proofing structure of the indicating dial for the electric operating mechanism according to claim 2, wherein the anti-reverse assembly (3) comprises a second groove arranged on the first arc edge (211) and a second protrusion arranged at a corresponding position on the head of the rotating shaft (1), and the second protrusion is inserted into the second groove when the rotating shaft (1) is inserted into the fixing hole (21).

5. The fool-proofing structure of the indicating dial for electric operating mechanism according to claim 1, wherein the fixing hole (21) has a racetrack shape.

6. The fool-proof structure of the indicating dial for the electric operating mechanism according to claim 1, wherein the dial surface of the indicating dial (2) is formed by a first arc section (221), a second arc section (222) and a transition section (223) at the joint of the first arc section (221) and the second arc section (222), and the diameter of the moving circular track of the first arc section (221) is larger than that of the moving circular track of the second arc section (222).

7. The fool-proofing structure of the indicating dial for the electric operating mechanism according to claim 6, wherein the centers of the first arc section (221) and the second arc section (222) are coincident, and the diameter of the first arc section (221) is larger than that of the second arc section (222).

8. The foolproof structure of the indicating dial for the electric operating mechanism according to claim 6, wherein the indicating dial (2) comprises a dial body (22), a first positioning block (23) which is positioned at the middle position of the dial body (22) and protrudes upwards, a second positioning block which is positioned at the middle position of the dial body (22) and protrudes downwards, a working plate (24) which is positioned at the peripheral side of the dial body (22) and protrudes downwards, and a plurality of reinforcing ribs which are positioned between the working plate (24) and the second positioning block; the fixing hole (21) is arranged on the first positioning block (23) and penetrates through the indicating disc (2).

9. The fool-proof structure of the indicating dial for the electric operating mechanism according to claim 8, wherein the dial body (22), the first positioning block (23), the second positioning block, the working plate (24) and the reinforcing rib are made of plastic and are integrally formed by injection molding.

10. The fool-proofing structure of the indicating dial for the electric operating mechanism according to claim 8, wherein the first positioning block (23) and the second positioning block are cylindrical and have the same axis, and the centers of the first arc section (221), the second arc section (222) and the fixing hole (21) are located on the axis of the first positioning block (23) and the second positioning block.