CN214254321U - Electric operating mechanism of molded case circuit breaker - Google Patents
Electric operating mechanism of molded case circuit breaker Download PDFInfo
- Publication number
- CN214254321U CN214254321U CN202120571956.2U CN202120571956U CN214254321U CN 214254321 U CN214254321 U CN 214254321U CN 202120571956 U CN202120571956 U CN 202120571956U CN 214254321 U CN214254321 U CN 214254321U
- Authority
- CN
- China
- Prior art keywords
- upper cover
- circuit breaker
- operating mechanism
- electric operating
- installation department
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Breakers (AREA)
Abstract
An electric operating mechanism of a molded case circuit breaker belongs to the technical field of low-voltage electrical apparatus accessories. Including upper cover and casing, the upper cover be provided with the installation department in one side towards the casing, be used for avoiding the strengthening rib of upper cover deformation and be used for the upper cover to carry out spacing portion with casing assembly in the periphery, the installation department set up perpendicularly at the border of upper cover and with the lateral surface parallel and level of spacing portion, the strengthening rib be connected with the installation department, the casing on be equipped with assembly portion in the position that corresponds the installation department, installation department and assembly portion adaptation installation. The advantages are that: the strengthening rib can strengthen the bending resistance of upper cover on the one hand, on the other hand can strengthen the anti deformability of installation department to realize the atmospheric pressure impact resistance ability of upper cover, effectively guarantee the intensity of upper cover.
Description
Technical Field
The utility model belongs to the technical field of the low-voltage apparatus annex, concretely relates to moulded case circuit breaker's electric operating mechanism.
Background
Molded case circuit breakers play an important role in connecting and protecting electrical equipment in low voltage distribution networks. The molded case circuit breaker requires an automatic circuit switching on and off under an allowable operating condition, thereby effectively controlling an operating state of the electric appliance. The electric operating mechanism is an accessory for a remote opening and closing circuit breaker and comprises a shell and an electric driving mechanism arranged in the shell. The electric operating mechanism is driven by a motor, and drives the cam to do rotary motion through variable transmission of the multi-stage transmission gear, so that the sliding block is driven to do reciprocating linear motion in the horizontal direction, and the switching-on or switching-off operation of the operating handle of the circuit breaker is realized.
Generally, the electric operating mechanism is assembled on the front surface of the circuit breaker in a superposition mode, and the circuit breaker operating handle is embedded into a sliding block of the electric operating mechanism. When the circuit breaker trips due to load faults, a large short-circuit current is cut off, and local high-pressure gas generated instantaneously in the process impacts a circuit breaker cover and an electric operating mechanism which is overlapped and assembled on the front surface of the circuit breaker. In this case, if the housing of the electric operating mechanism is weak in strength, the high-pressure gas may damage the housing, which may cause a safety accident.
In view of the above-mentioned prior art, the applicant has made an advantageous design, and the technical solutions described below have been made in this context.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a moulded case circuit breaker's electric operating mechanism improves the anti atmospheric pressure ability of upper cover, guarantees the bulk strength of upper cover.
The utility model aims at reaching like this, a moulded case circuit breaker's electric operating mechanism, including upper cover and casing, the upper cover be provided with the installation department towards one side of casing, be used for avoiding the strengthening rib of upper cover deformation and be used for the upper cover to carry out spacing portion with the casing assembly in the periphery, the installation department set up perpendicularly at the border of upper cover and with the lateral surface parallel and level of spacing portion, the strengthening rib be connected with the installation department, the casing on be equipped with assembly portion in the position that corresponds the installation department, installation department and assembly portion adaptation installation.
The utility model discloses a specific embodiment, the installation department on seted up first recess, the assembly portion be the first wedge boss that sets up on the casing inside wall, first wedge boss and the installation of first recess joint.
In another specific embodiment of the present invention, the limiting portion is a strip-shaped boss disposed at the periphery of the bottom of the upper cover and connected end to end, and the limiting portion is attached to the inner side wall of the housing when the upper cover and the housing are assembled.
In another specific embodiment of the present invention, the number of the mounting portions is 1 or more.
In another specific embodiment of the present invention, the height of the reinforcing rib is 30% -60% of the height of the mounting portion.
In still another specific embodiment of the present invention, the number of the reinforcing ribs is 1 or more.
In yet another specific embodiment of the present invention, the mounting portions are arranged in pairs, and one end of the reinforcing rib is connected to one of the mounting portions and the other end extends toward and is connected to the other mounting portion.
In a more specific embodiment of the present invention, the mounting portions are arranged in pairs, and one end of the reinforcing rib is connected to one of the mounting portions and the other end extends toward the other mounting portion.
In yet another specific embodiment of the present invention, the mounting portion is a second wedge-shaped boss, the assembling portion is a second groove formed on the inner side wall of the housing, and the second wedge-shaped boss is mounted to the second groove.
The utility model discloses owing to add the strengthening rib to electric operating mechanism's upper cover, compare with prior art, the beneficial effect who has is: the strengthening rib increased the bending resistance of upper cover, can avoid the upper cover deformation when the part shaping, increased the bending resistance in the installation department side that sets up face to face simultaneously, avoid the upper cover to take place bending deformation when atmospheric pressure strikes, lead to upper cover and casing joint cooperation unreliable, cause the upper cover to drop from the casing, increased the anti deformability of installation department simultaneously to the atmospheric pressure impact damage installation department that produces when preventing that the circuit breaker from breaking apart.
Drawings
Fig. 1 is a side sectional view of the present invention.
Fig. 2 is a schematic structural diagram of the upper cover of the present invention.
Fig. 3 is a schematic structural diagram of the housing according to the present invention.
In the figure: 1. the structure comprises an upper cover, 11 parts, 111 parts, a first groove, 112 parts, 113 parts, side walls, 12 parts, reinforcing ribs, 13 parts, 14 parts and a mounting surface; 2. casing, 21 assembly part, 22 supporting surface.
Detailed Description
The following detailed description of the embodiments of the present invention is provided in conjunction with the accompanying drawings, but the description of the embodiments is not intended to limit the technical solutions, and any changes made in the form of the present invention rather than the essential changes should be considered as the protection scope of the present invention.
In the following description, any concept related to the directionality (or the directional nature) of up, down, left, right, front, and rear is intended to facilitate understanding by the public, and thus should not be construed as particularly limiting the technical solution provided by the present invention, with respect to the position state in which the drawings are being described.
Referring to fig. 1 to 3, the present invention relates to an electric operating mechanism of a molded case circuit breaker, including an upper cover 1 and a case 2, wherein the upper cover 1 and the case 2 are adapted to be installed for shielding an opening of a case cavity of the case 2. The upper cover 1 is provided with, on a lower surface which is a side facing the housing 2: an installation part 11, a reinforcing rib 12 for avoiding the deformation of the upper cover 1, and a limiting part 13 for limiting the periphery when the upper cover 1 is assembled with the shell 2. Installation department 11 set up perpendicularly at the border of 1 lower surface of upper cover and with spacing portion 13's lateral surface parallel and level, spacing portion 13 for setting up 1 bottom border all around and the rectangular shape boss of end to end each other in upper cover 1. The casing 2 on correspond the position of installation department 11 and be equipped with assembly portion 21, installation department 11 and assembly portion 21 adaptation installation for fix upper cover 1 to casing 2 on. The number of the mounting parts 11 and the assembling parts 21 is the same, and is one or more.
Further, the upper cover 1 has a mounting surface 14 formed around the outer periphery of the stopper 13, and an end surface of the housing cavity opening of the housing 2 is configured as a support surface 22. The end of the mounting portion 11 in the height direction is further formed with a chamfer 112, and both side edges of the mounting portion 11 are bent inward to form a pair of side walls 113 of the mounting portion 11. The pair of side walls 113 are connected to the mounting portion 11 in a U-shape, and the side walls 113 have the same height as the mounting portion 11.
In this embodiment, the mounting portion 11 is formed with a first groove 111, and the mounting portion 21 is a first wedge-shaped boss disposed on an inner side wall of the housing 2. When upper cover 1 and casing 2 assemble, first wedge boss is passed through in installation department 11 through chamfer 112's direction, first recess 111 cooperates with first wedge boss joint, the outside of spacing portion 13 is spacing with the inboard laminating of casing 2, installation face 14 laminates with holding surface 22, upper cover 1 fixes on casing 2 through the cooperation of first recess 111 with the joint of first wedge boss.
Of course, the mounting portion 11 may be a second wedge-shaped boss, and the mounting portion 21 may be a second groove (not shown) disposed on the inner side wall of the housing 2 and engaged with the second wedge-shaped boss.
In the present embodiment, the number of the mounting portions 11 is illustrated as 5, four of which are arranged in pairs facing each other. The number of the reinforcing ribs 12 is 1 or more, and two reinforcing ribs are illustrated in the figure. The reinforcing ribs 12 are connected between the mounting portions 11 arranged to face each other. The upper cover 1 is designed to be a large-area thin wall, and is easily deformed after the part is formed due to the influence of the structure and the process performance. The reinforcing rib 12 increases the bending strength of the upper cover 1, can avoid the deformation of the upper cover 1 during the part forming, simultaneously increases the bending strength in the direction of the mounting part 11 designed face to face, avoids the bending deformation of the upper cover 1 during the air pressure impact, leads to the unreliable clamping and matching of the upper cover 1 and the shell 2, causes the upper cover 1 to fall off from the shell 2, and simultaneously increases the deformation resistance of the mounting part 11, so as to prevent the air pressure impact generated during the breaking of the circuit breaker from damaging the mounting part 11.
Furthermore, the end of the reinforcing rib 12 is connected with the side wall 113 of the mounting part 11 in a splayed shape, and the height of the reinforcing rib 12 is 30% -60% of the height of the mounting part 11. Specifically, the rib 12 may extend from the side wall 113 of one of the two paired mounting portions 11 toward the other mounting portion 11 and be connected to the side wall 113 of the other mounting portion 11, or the rib 12 may extend from the side wall 113 of one of the two paired mounting portions 11 toward the other mounting portion 11 but not be connected to the side wall 113 of the other mounting portion 11.
In addition to the above, it may be: one end of the reinforcing rib 12 is connected to an arbitrary position between the pair of side walls 113 of one mounting part 11 of the two mounting parts 11 arranged in pair, and the other end of the reinforcing rib 12 extends towards the other mounting part 11 and is connected to an arbitrary position between the pair of side walls 113 of the other mounting part 11; alternatively, one end of the rib 12 is connected to an arbitrary position between the pair of side walls 113 of one mounting portion 11 of the two mounting portions 11 provided in a pair, and the other end of the rib 12 extends in the direction of the other mounting portion 11, but is not connected to an arbitrary position between the pair of side walls 113 of the other mounting portion 11.
The utility model discloses an add strengthening rib 12 to electric operating mechanism upper cover 1, can strengthen the bending resistance of upper cover 1 on the one hand, on the other hand can strengthen the anti deformability of installation department 11, realizes the atmospheric pressure resistance impact of upper cover 1 from two aspects, has effectively guaranteed the intensity of upper cover 1.
Claims (9)
1. The utility model provides a moulded case circuit breaker's electric operating mechanism, includes upper cover (1) and casing (2), upper cover (1) be provided with installation department (11), be used for avoiding strengthening rib (12) that upper cover (1) warp and be used for upper cover (1) to carry out spacing portion (13) its characterized in that with casing (2) assembly in the periphery when one side towards casing (2): installation department (11) set up perpendicularly at the border of upper cover (1) and with the lateral surface parallel and level of spacing portion (13), strengthening rib (12) be connected with installation department (11), casing (2) on be equipped with assembly portion (21) in the position that corresponds installation department (11), installation department (11) and assembly portion (21) adaptation installation.
2. The electric operating mechanism of the molded case circuit breaker according to claim 1, wherein the mounting portion (11) is formed with a first groove (111), the assembling portion (21) is a first wedge-shaped boss disposed on an inner side wall of the housing (2), and the first wedge-shaped boss is clamped with the first groove (111).
3. The electric operating mechanism of the molded case circuit breaker according to claim 1, wherein the position-limiting portion (13) is a strip-shaped boss disposed at the peripheral edge of the bottom of the upper cover (1) and connected end to end, and when the upper cover (1) and the housing (2) are assembled, the position-limiting portion (13) is attached to the inner sidewall of the housing (2).
4. The electric operating mechanism of a molded case circuit breaker according to claim 1 or 2, wherein the number of the mounting portions (11) is 1 or more.
5. The electric operating mechanism of a molded case circuit breaker according to claim 1, wherein the height of the reinforcing rib (12) is 30-60% of the height of the mounting portion (11).
6. The electric operating mechanism of a molded case circuit breaker according to claim 1, wherein the number of the reinforcing ribs (12) is 1 or more.
7. An electric operating mechanism for a molded case circuit breaker according to claim 1, wherein the mounting portions (11) are arranged in pairs facing each other, and one end of the reinforcing rib (12) is connected to one of the mounting portions (11) and the other end thereof extends toward the other mounting portion (11) and is connected to the mounting portion (11).
8. The electric operating mechanism of a molded case circuit breaker according to claim 1, wherein the mounting portions (11) are arranged in pairs facing each other, and one end of the reinforcing rib (12) is connected to one of the mounting portions (11) and the other end thereof extends toward the other mounting portion (11).
9. The electric operating mechanism of the molded case circuit breaker according to claim 1, wherein the mounting portion (11) is a second wedge-shaped boss, the assembling portion (21) is a second groove disposed on an inner sidewall of the housing (2), and the second wedge-shaped boss is engaged with the second groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120571956.2U CN214254321U (en) | 2021-03-19 | 2021-03-19 | Electric operating mechanism of molded case circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120571956.2U CN214254321U (en) | 2021-03-19 | 2021-03-19 | Electric operating mechanism of molded case circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214254321U true CN214254321U (en) | 2021-09-21 |
Family
ID=77727877
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120571956.2U Active CN214254321U (en) | 2021-03-19 | 2021-03-19 | Electric operating mechanism of molded case circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214254321U (en) |
-
2021
- 2021-03-19 CN CN202120571956.2U patent/CN214254321U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN214254321U (en) | Electric operating mechanism of molded case circuit breaker | |
| CN105428169A (en) | Miniature circuit breaker | |
| CN201821034U (en) | Circuit breaker cabinet with disconnecting switch | |
| KR101752301B1 (en) | Structure of insulation barrier for circuit breaker | |
| CN215771030U (en) | Outdoor novel circuit breaker easy to assemble | |
| CN215578245U (en) | Micro-gap switch combination formula auxiliary switch | |
| CN210223912U (en) | Hydraulic electromagnetic breaker belt connector | |
| CN210489557U (en) | Circuit breaker | |
| CN105679616A (en) | Electronic controller for circuit breaker and circuit breaker | |
| CN219677086U (en) | Housing assembly | |
| CN221040982U (en) | Switching device | |
| CN208385330U (en) | A kind of novel breaker handle arrangement | |
| CN216624083U (en) | Isolating switch | |
| CN218730710U (en) | Combined moulded case circuit breaker capable of being assembled quickly | |
| CN215527619U (en) | Plastic case circuit breaker | |
| CN219393251U (en) | Indoor high-voltage three-station vacuum circuit breaker | |
| CN220456607U (en) | BDU protection against electric shock visor and BDU case lid | |
| CN214175950U (en) | Circuit breaker system for power dispatching | |
| CN213583666U (en) | Plastic case circuit breaker | |
| CN210489515U (en) | Prepayment high-voltage vacuum circuit breaker | |
| CN216902775U (en) | Labor-saving button locking linkage structure of universal circuit breaker | |
| CN215680431U (en) | Handcart-type circuit breaker and switchgear | |
| CN212967556U (en) | High temperature resistant type circuit breaker shell | |
| CN220914131U (en) | High-voltage molded case circuit breaker | |
| CN218867007U (en) | Quick assembly mechanism of circuit breaker |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |