CN219085916U - Manual or electric operating mechanism mounting structure of molded case circuit breaker - Google Patents
Manual or electric operating mechanism mounting structure of molded case circuit breaker Download PDFInfo
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- CN219085916U CN219085916U CN202320115101.8U CN202320115101U CN219085916U CN 219085916 U CN219085916 U CN 219085916U CN 202320115101 U CN202320115101 U CN 202320115101U CN 219085916 U CN219085916 U CN 219085916U
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Abstract
The utility model relates to a manual or electric operating mechanism mounting structure of a molded case circuit breaker, which comprises a circuit breaker body (1), a zero arcing cover (4), a manual operating mechanism (5) and a plurality of screws (6); the zero arcing cover (4) is detachably connected with the breaker body (1), and a second mounting surface (43) is arranged on the outer side of the zero arcing cover (4); the screw rod (6) penetrates through the breaker body (1), a fourth mounting surface (61) is arranged at the head of the screw rod (6), and the fourth mounting surface (61) of the screw rod (6) is coplanar with a second mounting surface (43) on the zero arcing cover (4); the manual operation mechanism (5) is arranged on a fourth installation surface (61) of the screw (6). The utility model provides a mounting structure which is adaptive to a zero-arcing cover and does not change the mounting height of a manual or electric operating mechanism, so that the operating stroke of the manual or electric operating mechanism to a circuit breaker is ensured to be unchanged, and the reliability of the manual or electric operating mechanism is improved.
Description
Technical Field
The utility model relates to the field of piezoelectric devices, in particular to a manual or electric operating mechanism mounting structure of a molded case circuit breaker.
Background
The circuit breaker is because the energy that produces the electric arc is often very big when the short circuit breaks a word, only relies on the inside explosion chamber of circuit breaker to be unable to extinguish the electric arc, and remaining electric arc can be along the air flue to binding post department blowout, carries a large amount of incandescent metal particles simultaneously, if do not handle, destroys the insulating properties of binding post department easily.
The traditional method is that a terminal cover is added, meanwhile, a metal grid plate is added in the terminal cover, and the metal grid plate is used for cutting the residual arc and cooling the arc again, so that the arc is extinguished.
Patent CN215266131U designs a zero arcing cover, which solves the problem of enlarging the size of the breaker body after the breaker body is connected with the zero arcing cover, but when a user uses an electric operation or a manual operation and selects the zero arcing cover, a flashlight operation is installed on the zero arcing cover; when the user uses electric operation or manual operation and does not select to use the zero arcing cover, the electric operation is installed on the surface of the breaker body, so that the distance between the electric operation and the breaker body is changed, and the electric operation stroke can not ensure that the breaker is reliably operated to carry out the buckling closing. The technical scheme provided by the utility model solves the problems and simultaneously solves the interchangeability of flashlight operation when a user selects or does not select a zero-arcing cover.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a manual or electric operating mechanism mounting structure of a molded case circuit breaker.
The aim of the utility model can be achieved by the following technical scheme:
the manual or electric operating mechanism mounting structure of the molded case circuit breaker comprises a circuit breaker body, a zero arcing cover, a manual operating mechanism and a plurality of screw rods;
the zero arcing cover is detachably connected with the breaker body, and a second mounting surface is arranged on the outer side of the zero arcing cover;
the screw penetrates through the breaker body, a fourth mounting surface is arranged on the head of the screw, and the fourth mounting surface of the screw is coplanar with the second mounting surface on the zero arcing shield;
the manual operation mechanism is arranged on the fourth installation surface of the screw rod and is fixed at the front end of the breaker body.
Further, a plurality of first mounting holes are formed in the circuit breaker body, and the screw rod is inserted into the first mounting holes and mounted on the circuit breaker body through the mounting nuts.
Further, the first mounting holes are formed in four, two pairs of the first mounting holes are symmetrically distributed at two ends of the breaker body.
Further, a plurality of hexagonal holes are formed in the back of the circuit breaker body, and the mounting nuts are mounted inside the circuit breaker body through the hexagonal holes.
Further, the surface of the breaker body is provided with a first installation surface, and the fourth installation surface of the screw rod is higher than the first installation surface.
Further, the height of the fourth mounting surface higher than the first mounting surface is the thickness formed between the zero-arcing shield second mounting surface and the third mounting surface inside the zero-arcing shield.
Further, a plurality of third mounting holes are symmetrically formed in the second mounting surface of the zero-arcing shield, a second mounting hole is correspondingly formed in the circuit breaker body, and mounting screws penetrate through the third mounting holes in the zero-arcing shield and are screwed into the second mounting holes in the circuit breaker body to complete assembly between the zero-arcing shield and the circuit breaker body.
Further, a first mounting surface is arranged on the breaker body, the first mounting surface is lower than the outer surface of the breaker body, and a concave step structure is formed between the first mounting surface and the outer surface.
Further, a first mounting surface on the breaker body is attached to a third mounting surface on the inner side of the zero arcing shield.
Further, a plurality of fourth mounting holes are formed in the zero-flashover cover, and the fourth mounting holes are matched with the outer diameter of the screw.
Compared with the prior art, the utility model has the following advantages:
(1) The installation height of the manual operation mechanism is unchanged, namely the dimension H shown in fig. 7 is unchanged, so that the travel of the manual operation mechanism for operating the circuit breaker is unchanged, and the reliability of the manual operation mechanism is improved.
(2) The user can select whether to install the zero-arcing cover according to the requirement, and because the operating stroke of the manual operating mechanism is unchanged, the interchangeability of the manual operating mechanism is satisfied when the user selects the zero-arcing cover or does not select the zero-arcing cover, and the cost is reduced.
Drawings
FIG. 1 is a schematic view of the structure of the utility model when a zero arcing shield is installed;
FIG. 2 is a schematic view of the structure of the utility model without the zero arcing shield;
FIG. 3 is a schematic view of the screw mounting structure of the present utility model;
FIG. 4 is a schematic view of another construction of the screw installation of the present utility model;
FIG. 5 is a schematic view of the structure of the zero arcing shield of the present utility model;
FIG. 6 is a schematic view of another construction of the zero arcing shield of the present utility model;
FIG. 7 is a side view of the overall structure of the present utility model;
FIG. 8 is a schematic diagram of the overall structure of the present utility model;
fig. 9 is a cross-sectional view of the overall structure of the present utility model.
In the figure: 1. a circuit breaker body; 12. a first mounting hole; 13. a first mounting surface; 14. a second mounting hole; 15. hexagonal holes; 2. manually installing a screw; 3. zero flashover cover mounting screws; 4. zero arcing cover; 41. a third mounting hole; 42. a fourth mounting hole; 43. a second mounting surface; 44. a third mounting surface; 5. a manual operating mechanism; 6. a screw; 61. a fourth mounting surface; 7. and (5) installing a nut.
Detailed Description
The utility model will now be described in detail with reference to the drawings and specific examples.
Example 1
As shown in fig. 1-9, a manual or electric operating mechanism mounting structure of a molded case circuit breaker comprises a circuit breaker body 1, a zero arcing cover 4, a manual operating mechanism 5 and a plurality of screws 6; the zero arcing cover 4 is detachably connected with the breaker body 1, and a second mounting surface 43 is arranged on the outer side of the zero arcing cover 4; the screw rod 6 penetrates through the breaker body 1, a fourth mounting surface 61 is arranged on the head of the screw rod 6, and the fourth mounting surface 61 of the screw rod 6 is coplanar with the second mounting surface 43 on the zero arcing shield 4; the manual operation mechanism 5 is mounted on the fourth mounting surface 61 of the screw 6 and is fixed to the front end of the breaker body 1.
As shown in fig. 3 and 4, the breaker body 1 is provided with a plurality of first mounting holes 12, and the screw 6 is inserted into the first mounting holes 12 and mounted on the breaker body 1 through the mounting nut 7.
In this embodiment, the first mounting holes 12 are four and symmetrically distributed at two ends of the breaker body 1.
As shown in fig. 4, the back of the breaker body 1 is provided with a plurality of hexagonal holes 15, and the mounting nut 7 is mounted inside the breaker body 1 through the hexagonal holes 15.
As shown in fig. 3, the surface of the breaker body 1 is provided with a first mounting surface 13, and the fourth mounting surface 61 of the screw 6 is higher than the first mounting surface 13, so that a manual operation mechanism or an electric operation mechanism is conveniently mounted on the screw 6. The height of the fourth mounting surface 61 higher than the first mounting surface 13 is the thickness formed between the second mounting surface 43 of the zero arcing shield 4 and the third mounting surface 44 inside the zero arcing shield 4, namely the thickness of the front plate of the zero arcing shield 4, which makes the fourth mounting surface 61 flush with the surface of the circuit breaker, and realizes that the screw 6 is coplanar with the circuit breaker body 1.
As shown in fig. 5, the second mounting surface 43 of the zero arcing shield 4 is symmetrically provided with a plurality of third mounting holes 41, in this embodiment, two third mounting holes 41 are symmetrically provided at two ends of the second mounting surface 43, as shown in fig. 3, the breaker body 1 is correspondingly provided with second mounting holes 14, and the mounting screw 3 passes through the third mounting hole 41 on the zero arcing shield 4 and is screwed into the second mounting hole 14 on the breaker body 1 to complete the assembly between the zero arcing shield 4 and the breaker body 1.
As shown in fig. 3, the breaker body 1 is provided with a first mounting surface 13, and the first mounting surface 13 is lower than the outer surface of the breaker body 1, and forms a concave step structure with the outer surface. The first mounting surface 13 on the breaker body 1 is attached to the third mounting surface 44 on the inner side of the zero arcing shield 4.
As shown in fig. 5, the zero arcing cover 4 is provided with a plurality of fourth mounting holes 42, and the fourth mounting holes 42 are matched with the outer diameter of the screw rod 6, so that the zero arcing cover 4 is convenient to detach and mount.
In the present embodiment, the installation of the electric operation is the same as the manual operation, taking the installation example of the manual operation.
Working principle: during installation, the screw rod 6 is firstly installed, the zero arcing shield 4 and the circuit breaker are fixed in the circuit breaker body through the installation nut 7, the zero arcing shield 4 and the circuit breaker are fixedly installed through the screw, and finally the manual operation mechanism 5 is installed on the fourth installation surface 61 of the screw rod 6, because the fourth installation surface 61 is higher than the first installation surface 13, namely the second installation surface 43 on the zero arcing shield 4 is coplanar with the fourth installation surface 61 of the screw rod 6, and the fourth installation hole 42 on the zero arcing shield 4 avoids the screw rod 6, the installation height of the manual operation mechanism 5, namely the dimension H shown in fig. 6, is kept unchanged, the travel of the manual operation mechanism for operating the circuit breaker is unchanged, and the reliability of the manual operation mechanism is improved.
Example 2
In this embodiment, the circuit breaker body 1 is not provided with the zero arcing shield 4, but is provided with the manual operation mechanism directly on the screw 6, and the rest of the structure is the same as that in embodiment 1, since the fourth installation surface 61 is higher than the first installation surface 13, the manual operation mechanism 5 is provided on the fourth installation surface 61 of the screw 6, and the structure of the manual operation mechanism 5 is the same as that in embodiment 1, the zero arcing shield 4 is not provided, the height of the dimension H shown in fig. 6 is not affected, and the travel of the manual operation mechanism for operating the circuit breaker is unchanged.
It should be noted that, in the description of the present utility model, the terms "upper," "lower," "inner," "outer," "front," "rear," "both ends," "one end," "the other end," and the like indicate an azimuth or a positional relationship based on that shown in the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and may be fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Claims (10)
1. The manual or electric operating mechanism mounting structure of the molded case circuit breaker comprises a circuit breaker body (1) and is characterized by further comprising a zero arcing cover (4), a manual operating mechanism (5) and a plurality of screws (6);
the zero arcing cover (4) is detachably connected with the breaker body (1), and a second mounting surface (43) is arranged on the outer side of the zero arcing cover (4);
the screw rod (6) penetrates through the breaker body (1), a fourth mounting surface (61) is arranged at the head of the screw rod (6), and the fourth mounting surface (61) of the screw rod (6) is coplanar with a second mounting surface (43) on the zero arcing cover (4);
the manual operation mechanism (5) is arranged on a fourth installation surface (61) of the screw (6) and is fixed at the front end of the breaker body (1).
2. The manual or electric operating mechanism mounting structure of the molded case circuit breaker according to claim 1, wherein a plurality of first mounting holes (12) are formed in the circuit breaker body (1), and the screw (6) is inserted into the first mounting holes (12) and mounted on the circuit breaker body (1) through a mounting nut (7).
3. The manual or electric operating mechanism mounting structure of the molded case circuit breaker according to claim 2, wherein the first mounting holes (12) are four and are symmetrically distributed at two ends of the circuit breaker body (1).
4. The manual or electric operating mechanism mounting structure of the molded case circuit breaker according to claim 2, wherein a plurality of hexagonal holes (15) are formed in the back of the circuit breaker body (1), and the mounting nut (7) is mounted inside the circuit breaker body (1) through the hexagonal holes (15).
5. The manual or electric operating mechanism mounting structure of the molded case circuit breaker according to claim 1, wherein the surface of the circuit breaker body (1) is provided with a first mounting surface (13), and the fourth mounting surface (61) of the screw (6) is higher than the first mounting surface (13).
6. The manual or electric operating mechanism mounting structure of a molded case circuit breaker according to claim 5, wherein the fourth mounting surface (61) is higher than the first mounting surface (13) by a thickness formed between the zero arcing shield (4) second mounting surface (43) and the third mounting surface (44) inside the zero arcing shield (4).
7. The manual or electric operating mechanism mounting structure of the molded case circuit breaker according to claim 1, wherein a plurality of third mounting holes (41) are symmetrically arranged on the second mounting surface (43) of the zero arcing shield (4), the circuit breaker body (1) is correspondingly provided with the second mounting holes (14), and the mounting screw (3) penetrates through the third mounting holes (41) on the zero arcing shield (4) to be screwed into the second mounting holes (14) on the circuit breaker body (1) to complete the assembly between the zero arcing shield (4) and the circuit breaker body (1).
8. The manual or electric operating mechanism mounting structure of the molded case circuit breaker according to claim 1, wherein the circuit breaker body (1) is provided with a first mounting surface (13), the first mounting surface (13) is lower than the outer surface of the circuit breaker body (1), and a concave step structure is formed between the first mounting surface (13) and the outer surface.
9. The manual or electric operating mechanism mounting structure of a molded case circuit breaker according to claim 8, wherein the first mounting surface (13) on the circuit breaker body (1) is attached to the third mounting surface (44) inside the zero arcing shield (4).
10. The manual or electric operating mechanism mounting structure of the molded case circuit breaker according to claim 1, wherein a plurality of fourth mounting holes (42) are formed in the zero arcing cover (4), and the fourth mounting holes (42) are matched with the outer diameter of the screw (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320115101.8U CN219085916U (en) | 2023-01-18 | 2023-01-18 | Manual or electric operating mechanism mounting structure of molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320115101.8U CN219085916U (en) | 2023-01-18 | 2023-01-18 | Manual or electric operating mechanism mounting structure of molded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219085916U true CN219085916U (en) | 2023-05-26 |
Family
ID=86422570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320115101.8U Active CN219085916U (en) | 2023-01-18 | 2023-01-18 | Manual or electric operating mechanism mounting structure of molded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219085916U (en) |
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2023
- 2023-01-18 CN CN202320115101.8U patent/CN219085916U/en active Active
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