CN212365902U - Drive module and circuit breaker of built-in gear box - Google Patents

Abstract

The utility model discloses a drive module of built-in gear box, include and assemble the casing that forms by first shell and second shell, set up circuit board, motor and the drive gear subassembly in the casing, the motor be connected with the circuit board electricity, the drive gear unit mount at first shell side and with the motor meshing, still include the housing, the housing is located the casing, the housing is at least partial cladding in drive gear subassembly peripheral end, and is connected the formation gear box with first shell cooperation. The utility model also discloses a circuit breaker, including a plurality of circuit breaker unit that sets up side by side and assemble the drive module in circuit breaker unit side, drive module be the drive module of foretell built-in gear box. The utility model discloses can avoid drive gear subassembly to touch electronic components and connecting wire etc. on the circuit board in the motion process, prevent simultaneously that lubricating oil on the gear, the piece that the gear friction produced from dropping to electronic components and produce the adverse effect, promote drive module's security and life.

Description

Drive module and circuit breaker of built-in gear box

Technical Field

The utility model belongs to the technical field of the circuit breaker technique and specifically relates to a drive module of built-in gear box and applied this drive module's circuit breaker.

Background

The tripping devices of the existing Miniature Circuit Breakers (MCB) and (RCBO) and Residual Current Circuit Breakers (RCCB) without overcurrent protection for household and similar purposes are generally provided with a switching-on and switching-off driving module or a reclosing control module and the like on the side surface of the circuit breaker when the switching-on driving is required due to the function expansion. The module is mainly composed of a motor, a plurality of gears, transmission parts, circuit boards and the like, and because the size of the shell is small, when more functions and three-phase (3 and 4 poles) products are required, a plurality of circuit boards are required to be arranged in the shell to arrange electronic components. The gear and the transmission part belong to a connecting line which is easy to touch a circuit board by a moving part, lubricating oil is added on the gear, and scraps generated by friction of the gear fall off to easily generate adverse effects on the circuit board and electronic components. Because the shell of the conventional small motor is a metal shell, the circuit board and electronic components are easily affected.

Disclosure of Invention

An object of the utility model is to provide a drive module and circuit breaker of built-in gear box avoids touching the trouble that the connecting wire on the circuit board caused when gear drive assembly moves, for realizing above-mentioned purpose, the utility model discloses a following technical scheme:

the utility model discloses a drive module of built-in gear box, include and assemble the casing that forms by first shell and second shell, set up circuit board, motor and the drive gear subassembly in the casing, motor and circuit board electricity be connected, the drive gear unit mount at first shell side and with the motor meshing, still include the housing, the housing be located the casing, at least part of the cladding of housing in drive gear subassembly peripheral end, and be connected with the cooperation of first shell and form the gear box.

Furthermore, the housing covers the peripheral ends of the transmission gear assembly and the motor at the same time.

The first shell is provided with a mounting column, the housing is provided with a positioning column with a slotted hole matched with the mounting column, and the slotted hole of the positioning column is inserted into the mounting column.

Furthermore, the multifunctional portable electronic device further comprises a plurality of additional function circuit boards, wherein the additional function circuit boards are arranged between the cover shell and the second shell, and the additional function circuit boards are arranged at intervals.

Preferably, the housing is provided with a positioning boss for mounting an additional functional circuit board.

The utility model also discloses a circuit breaker, including a plurality of circuit breaker unit that sets up side by side and assemble the drive module in circuit breaker unit side, the drive module of the foretell built-in gear box of drive module.

Due to the adoption of the structure, the utility model discloses following beneficial effect has:

1. the utility model discloses a housing cooperation of housing and drive gear subassembly one side is connected and is formed the gear box, separates the circuit of drive gear subassembly and circuit board to avoid the drive gear subassembly to touch electronic components and parts and connecting wire etc. on the circuit board in the motion process, prevent simultaneously that lubricating oil on the gear, the piece that the gear friction produced from dropping to electronic components and parts and producing unfavorable influence, promote drive module's security and life.

2. The utility model discloses a gear box is a modularization unit, can install in the casing of unidimensional or thickness not, and a plurality of parts can be general in the gear box, have advantages such as modularization, easy expansion.

3. The encloser is simultaneously coated at the side end of the motor, so that the motor with the metal shell can be insulated and separated from the circuit board, the adverse effect on electronic components on the circuit board is prevented, the step establishment of the electronic components on the circuit board is facilitated, and the safety is further improved.

4. When more functions are needed, an additional function circuit board needs to be arranged on the driving module, and the housing can play a role in assembling and supporting the additional function circuit board.

Drawings

FIG. 1 is a schematic diagram of the first embodiment.

Fig. 2 is a schematic view of fig. 1 with a second housing and cover shell hidden.

Fig. 3 is a schematic view of the structure of fig. 2 after the housing is mounted.

Fig. 4 is a schematic structural view of fig. 1 with the first housing hidden.

FIG. 5 is a schematic view of the housing and the drive gear assembly and motor assembly installed.

Fig. 6 is a schematic view of the structure of fig. 5 from another angle.

Fig. 7 is a schematic structural view of the housing.

Fig. 8 is a schematic cross-sectional view of the circuit board disposed between the cover and the second housing.

FIG. 9 is a schematic view of a transmission gear assembly covered only by a cover.

Fig. 10 is a schematic structural diagram of the second embodiment of mounting an additional functional circuit board on the basis of fig. 3.

Fig. 11 is a schematic structural diagram of a second circuit breaker according to the embodiment.

Fig. 12 is a schematic view of the structure of fig. 11 with the second housing hidden.

Description of the main symbols:

1: first housing, 11: mounting post, 2: second housing, 3: wiring board, 4: motor, 5: transmission gear assembly, 6: housing, 61: positioning column, 62: slot, 63: location boss, 7: additional function board, 8: circuit breaker unit, 9: and a driving module.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention is further described in detail with reference to the accompanying drawings and specific embodiments.

Example one

As shown in fig. 1 to 9, the present embodiment discloses a drive module with a built-in gear box, which includes a first housing 1, a second housing 2, a circuit board 3, a motor 4, a transmission gear assembly 5, and a housing 6. First shell 1 and second shell 2 are assembled and are formed the casing, and circuit board 3, motor 4, transmission gear assembly 5 all set up in the casing. The motor 4 is electrically connected with the circuit board 3, and the transmission gear assembly 5 is arranged at the side end of the first shell 1 and meshed with the motor 4.

As shown in fig. 3, the wiring board 3 may be disposed on the first housing 1 side. Alternatively, as shown in fig. 8, the wiring board 3 may be provided on the second housing 2 side.

The housing 6 is located in the casing, and the housing 6 at least partially covers the peripheral end of the transmission gear assembly 5 and is matched and connected with the first casing 1 to form a gear box. As shown in fig. 9, the housing 6 only covers the peripheral end of the transmission gear assembly 5, as shown in fig. 3, 5 and 6, the housing 6 can also cover the peripheral ends of the transmission gear assembly 5 and the motor 4 at the same time, and forms a gear box with the first housing 1.

As shown in fig. 2, the first housing 1 is provided with a mounting post 11. As shown in fig. 7, the housing 6 is provided with a positioning post 61 having a slot 62 matching with the mounting post 11, and the slot 62 of the positioning post 61 is inserted into the mounting post 11 to connect the housing 6 and the first housing 1.

Example two

As shown in fig. 10, the present embodiment discloses a drive module with a built-in gearbox, which includes a first housing 1, a second housing 2, a circuit board 3, a motor 4, a transmission gear assembly 5, a housing 6 and an additional function circuit board 7. The first shell 1 and the second shell 2 are assembled to form a shell, and the circuit board 3, the additional function circuit board 7, the motor 4 and the transmission gear assembly 5 are all arranged in the shell. The motor 4 is electrically connected with the circuit board 3 and the additional function circuit board 7, and the transmission gear assembly 5 is arranged at the side end of the first shell 1 and meshed with the motor 4.

As shown in fig. 3, the circuit board 3 is disposed on one side of the first housing 1, and the housing 6 at least partially covers the peripheral end of the transmission gear assembly 5 and is connected to the first housing 1 to form a gear box.

The housing 6 is provided with a positioning boss 63 for mounting the additional function circuit board 7. As shown in fig. 10, the additional function circuit board 7 is mounted on the positioning bosses 63, and the housing 6 is spaced between the circuit board 3 and the additional function circuit board 7, so that the circuit board 3 and the electronic components on the additional function circuit board 7 are kept spaced apart.

According to the needs, the additional function circuit board 7 can also be provided with a plurality of blocks, and the additional function circuit board 7 is installed between the second shell 2 and the housing 6, so that the additional function circuit board 7 can be spaced at a certain distance. This embodiment is applicable to the circuit breaker product that the function that needs is more, three-phase (3, 4 utmost points), need set up polylith circuit board in the casing and arrange electronic components to satisfy the functional requirement.

EXAMPLE III

As shown in fig. 11 and 12, the present embodiment discloses a circuit breaker, which may be a small circuit breaker (MCB), (RCBO), a Residual Current Circuit Breaker (RCCB) without overcurrent protection for home and similar uses, and the like. Comprises a plurality of circuit breaker units 8 arranged in parallel and a driving module spliced on the side surface of the circuit breaker unit. The breaker unit 8 is an N-pole or L-pole breaker unit. The drive module is the drive module of the built-in gearbox disclosed in the first embodiment or the second embodiment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention.

Claims (6)

1. The utility model provides a drive module of built-in gear box, includes the casing of forming by first shell and second shell are assembled, sets up circuit board, motor and the drive gear subassembly in the casing, the motor be connected with the circuit board electricity, the drive gear subassembly install at first shell side and with the motor meshing, its characterized in that:

the gearbox is characterized by further comprising a cover shell, wherein the cover shell is located in the shell, at least part of the cover shell covers the peripheral end of the transmission gear assembly, and the cover shell is connected with the first shell in a matched mode to form the gearbox.

2. The drive module of the built-in gearbox according to claim 1, wherein: the housing is simultaneously coated at the peripheral ends of the transmission gear assembly and the motor.

3. The drive module of the built-in gearbox according to claim 1, wherein: the first shell is provided with a mounting column, the housing is provided with a positioning column with a slotted hole matched with the mounting column, and the slotted hole of the positioning column is inserted into the mounting column.

4. The drive module of an internal gear box according to any one of claims 1 to 3, wherein: the multifunctional circuit board is characterized by further comprising a plurality of additional function circuit boards, wherein the additional function circuit boards are installed between the cover shell and the second shell, and the additional function circuit boards are arranged at intervals.

5. The drive module of the built-in gearbox according to claim 4, wherein: and the housing is provided with a positioning boss for mounting an additional functional circuit board.

6. A circuit breaker, characterized by: the circuit breaker comprises a plurality of circuit breaker units arranged in parallel and a driving module assembled on the side surface of each circuit breaker unit, wherein the driving module is the driving module with the built-in gear box according to any one of claims 1 to 5.

Images