CN210073737U

CN210073737U - Small-size hidden circuit breaker based on maintenance of lighting apparatus is used

Info

Publication number: CN210073737U
Application number: CN201920997899.7U
Authority: CN
Inventors: 郑雅匀
Original assignee: Guangzhou Qinyao Lighting Electrical Appliances Co Ltd
Current assignee: Guangzhou Qinyao Lighting Electrical Appliances Co Ltd
Priority date: 2019-06-29
Filing date: 2019-06-29
Publication date: 2020-02-14
Anticipated expiration: 2029-06-29

Abstract

The utility model provides a small-size hidden circuit breaker based on maintenance of lighting appliances, which comprises a main body, a safety cover, a wiring end, a pull rod, a clamping wheel, a spring rod, a spring piece, a baffle, a fixed frame, a handle, a hinge and a reset button; the fixing frame is processed on the front surface of the main body, and the middle of the fixing frame is movably connected with a spring rod; the spring piece is connected to the spring rod through welding, and the baffle is connected to the spring rod through welding; the handle is connected to the left end of the spring rod through welding; the wiring terminal is processed on the main body; the pull rod is processed on the clamping wheel, and the clamping wheel is arranged on the main body; the upper surface of the safety cover is connected with one end of a hinge through a screw, and the other end of the hinge is connected to the left side of the upper surface of the main body through a screw; compared with the existing circuit breaker, the circuit breaker has the advantages that the function of preventing mistaken touch is added, the personal safety of maintenance workers is further guaranteed during circuit maintenance, and the probability of safety accidents caused by mistaken touch of the circuit breaker is reduced.

Description

Small-size hidden circuit breaker based on maintenance of lighting apparatus is used

Technical Field

The utility model belongs to the circuit breaker field, more specifically say, in particular to small-size hidden circuit breaker based on illumination electrical apparatus maintenance is used.

Background

The circuit breaker can be used for distributing electric energy, starting an asynchronous motor infrequently, protecting a power supply circuit, the motor and the like, and automatically cutting off a circuit when faults such as serious overload, short circuit, undervoltage and the like occur, and the function of the circuit breaker is equivalent to the combination of a fuse type switch, an over-under-heat relay and the like. Furthermore, no parts need to be changed after breaking the fault current. At present, the method is widely applied, and power distribution is an extremely important link in the generation, transmission and use of electricity. The distribution system comprises a transformer and various high-low voltage electrical equipment, and the low-voltage circuit breaker is an electrical appliance with a large using amount.

The present chinese utility model patent, for example, with patent number CN201520362976.3, discloses a terminal cover and circuit breaker for circuit breaker, and its basic description is: the device comprises a front terminal cover and a rear terminal cover, the front terminal cover and the rear terminal cover are jointed to form a complete cover body when the terminal cover is installed on the breaker in place, and the lower part of the rear terminal cover comprises at least one guide part protruding downwards and matched with a guide groove arranged at the edge of the shell of the breaker.

Based on the above patent description, it can be seen that, similar to the circuit breaker in this patent, when the circuit breaker is used, the circuit breaker is sometimes touched by mistake after being disconnected during circuit maintenance, which threatens the personnel of the staff who is maintaining the circuit, and the safety is low.

Therefore, in view of the above, research and improvement are made on the existing structure and defects, and a small hidden circuit breaker used for maintaining the lighting appliance is provided, so as to achieve the purpose of higher practical value.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a small-size hidden circuit breaker based on illumination electrical apparatus maintenance is used to solve the circuit breaker in being similar to this patent and use, can miss the touching sometimes after breaking off the circuit breaker when the maintenance circuit, lead to the fact the personal threat, the lower problem of security to the staff who is maintaining the circuit well.

The utility model relates to a purpose and efficiency of small-size hidden circuit breaker based on illumination electrical apparatus maintenance is used is reached by following specific technological means:

a small hidden circuit breaker used for maintaining an illuminating electric appliance comprises a main body, a safety cover, a wiring end, a pull rod, a clamping wheel, a spring rod, a spring piece, a baffle plate, a fixed frame, a handle, a hinge and a reset button; the fixing frame is processed on the front surface of the main body, and the middle of the fixing frame is movably connected with a spring rod; the spring piece is connected to the spring rod through welding, and the baffle is connected to the spring rod through welding; the handle is connected to the left end of the spring rod through welding; the wiring terminal is processed on the main body; the pull rod is processed on the clamping wheel, and the clamping wheel is arranged on the main body; the upper surface of the safety cover is connected with one end of a hinge through a screw, and the other end of the hinge is connected to the left side of the upper surface of the main body through a screw; the reset button is located on the left end surface of the main body, and the reset button is located within the coverage area of the safety cover.

Furthermore, the surface of the clamping wheel is densely processed with tooth-shaped convex blocks, and the shape of the tooth-shaped convex blocks is a triangle which is higher in the clockwise direction and lower in the backward direction when observed from the left side.

Furthermore, the spring pieces are metal sheets with certain elasticity, and the two spring pieces are uniformly distributed on the upper side of the spring rod.

Further, the baffle is the stereoplasm sheet metal, and the baffle is located the downside of spring beam and blocks the middle of the wheel to the baffle contacts the surface of card wheel to one side.

Furthermore, the safety cover is a cover body buckled on the reset button and the handle, and a through hole is formed in the front side of the safety cover.

Compared with the prior art, the utility model discloses following beneficial effect has:

this design has carried out the interpolation in the function on the basis of present exhibition room illumination lamps and lanterns, mainly reflects in: the safety cover is additionally arranged on the circuit breaker with the structure, the tooth-shaped convex block similar to a ratchet wheel shape is additionally arranged on the clamping wheel, the baffle is arranged above the tooth-shaped convex block, the pull rod cannot be pulled upwards easily under the action of the spring piece, the safety cover needs to be lifted when the circuit breaker is closed, the handle is pushed forwards by a hand to move the baffle away, the circuit breaker is closed, the phenomenon that the pull rod is touched by mistake in the using process to cause safety accidents is prevented, in conclusion, the function of preventing the touch by mistake is increased compared with the existing circuit breaker, the personal safety of maintenance workers is further guaranteed when the circuit is maintained, and the probability of causing safety accidents due to the fact that the circuit breaker is touched by mistake is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic view of the safety cover of the present invention.

Fig. 3 is a schematic structural view of the pull rod of the present invention.

Fig. 4 is a schematic structural diagram of the bottom of the present invention.

Fig. 5 is a partially enlarged view of the direction a of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. a main body; 2. a safety cover; 3. a terminal; 4. a pull rod; 5. clamping the wheel; 6. a spring lever; 7. a spring plate; 8. a baffle plate; 9. a fixed mount; 10. a handle; 11. a hinge; 12. a reset button.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," 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 invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 5:

the utility model provides a small-size hidden circuit breaker based on maintenance of lighting apparatus uses, including main part 1, safety cover 2, wiring end 3, pull rod 4, card wheel 5, spring beam 6, spring leaf 7, baffle 8, mount 9, handle 10, hinge 11 and reset button 12; the fixing frame 9 is processed on the front surface of the main body 1, and the middle of the fixing frame 9 is movably connected with the spring rod 6; the spring piece 7 is connected to the spring rod 6 through welding, and the baffle plate 8 is connected to the spring rod 6 through welding; the handle 10 is connected to the left end of the spring rod 6 through welding; the terminal 3 is processed on the main body 1; the pull rod 4 is processed on the clamping wheel 5, and the clamping wheel 5 is arranged on the main body 1; the upper surface of the safety cover 2 is connected with one end of a hinge 11 through a screw, and the other end of the hinge 11 is connected to the left side of the upper surface of the main body 1 through a screw; the reset button 12 is located on the left end surface of the main body 1, and the reset button 12 is located within the coverage area of the safety cover 2.

The surface of the clamping wheel 5 is densely processed with tooth-shaped convex blocks, the tooth-shaped convex blocks are in a triangular shape which is higher clockwise and lower backward when observed from the left side, the clamping wheel 5 with the structure is shown in figure 5, the tooth-shaped convex blocks on the clamping wheel 5 are similar to gears on a ratchet wheel, the reverse rotation of the clamping wheel 5 is prevented, the baffle 8 is utilized to clamp the tooth-shaped convex blocks on the device, the steering of the clamping wheel 5 is limited, the mistaken touch prevention effect is achieved, and the pull rod 4 is not influenced to be pulled downwards when in normal use.

The spring piece 7 is a metal sheet with certain elasticity, the spring piece 7 is two parts which are uniformly distributed on the upper side of the spring rod 6, the spring piece 7 with the structure is shown in figure 3, only the pull rod 4 is pushed under the condition of no external force, and the spring piece 7 has elasticity, so that the spring rod 6 receives clockwise torque observed from the left side direction, the baffle 8 is clamped on the clamping wheel 5, and the clamping wheel 5 is clamped and does not rotate.

Wherein, baffle 8 is the stereoplasm sheet metal, and baffle 8 is located the downside of spring beam 6 and the centre of calorie wheel 5 to baffle 8 leans out the surface of contact card wheel 5, baffle 8 of this structure is as shown in figure 1, baffle 8 receives the moment of torsion of spring beam 6 transmission and produces power inwards, makes baffle 8's bottom card advance in the middle of the profile of tooth lug on the card wheel 5, makes calorie wheel 5 can not anticlockwise rotation, and because the structure reason of profile of tooth lug, card wheel 5 can clockwise rotate, even if the outage of condition critical time pulling pull rod 4 with the circuit breaker.

Wherein, insurance lid 2 is the cover body of lock on reset button 12 and handle 10, and the front side of insurance lid 2 is opened there is the through-hole, and insurance lid 2 of this structure is shown as the figure, and insurance lid 2 can be rotatory around hinge 11 for hide handle 10 and reset button 12 and prevent external reason and the mistake touches and lead to the emergence incident, reduced the potential safety hazard problem.

The specific use mode and function of the embodiment are as follows:

the utility model discloses in, with the inlet wire of family's circuit and the wiring end 3 of being qualified for the next round of competitions access circuit breaker, with circuit breaker fixed mounting on wall or other dry fixtures, pull down 4 pull-down with the pull rod of circuit breaker when carrying out circuit maintenance, open circuit to the circuit, carry out the detection or maintenance work of circuit again, with 2 locks of safety cover in the maintenance process, prevent that special conditions such as mistake touching from causing the threat to the maintenance personal, open safety cover 2 after the maintenance is accomplished, with pull-up 4 pull-up when pushing forward handle 10, the circuit breaker switch-on, the circuit can continue work, to sum up, can see out, increased the function that prevents the mistake and touch than current circuit breaker, guarantee further maintenance workman's personal safety when making circuit maintenance, reduced because the mistake touches the probability that the circuit breaker causes the incident.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides a small-size hidden circuit breaker based on illumination electrical apparatus maintenance is used which characterized in that: the small hidden circuit breaker used based on the maintenance of lighting appliances comprises a main body (1), a safety cover (2), a wiring terminal (3), a pull rod (4), a clamping wheel (5), a spring rod (6), a spring piece (7), a baffle (8), a fixed frame (9), a handle (10), a hinge (11) and a reset button (12); the fixing frame (9) is processed on the front surface of the main body (1), and the middle of the fixing frame (9) is movably connected with a spring rod (6); the spring piece (7) is connected to the spring rod (6) through welding, and the baffle (8) is connected to the spring rod (6) through welding; the handle (10) is connected to the left end of the spring rod (6) through welding; the wiring terminal (3) is processed on the main body (1); the pull rod (4) is processed on the clamping wheel (5), and the clamping wheel (5) is arranged on the main body (1); the upper surface of the safety cover (2) is connected with one end of a hinge (11) through a screw, and the other end of the hinge (11) is connected to the left side of the upper surface of the main body (1) through a screw; the reset button (12) is located on the left end surface of the main body (1), and the reset button (12) is located in the coverage area of the safety cover (2).

2. A miniature concealed circuit breaker used in the maintenance of lighting equipment according to claim 1, wherein: the surface of the clamping wheel (5) is densely provided with tooth-shaped convex blocks, and the shape of the tooth-shaped convex blocks is a triangle which is higher in the clockwise direction and lower in the backward direction when observed from the left side.

3. A miniature concealed circuit breaker used in the maintenance of lighting equipment according to claim 1, wherein: the spring pieces (7) are metal sheets with certain elasticity, and the spring pieces (7) are uniformly distributed at two positions on the upper side of the spring rod (6).

4. A miniature concealed circuit breaker used in the maintenance of lighting equipment according to claim 1, wherein: baffle (8) are the stereoplasm sheet metal, and baffle (8) are located the downside of spring beam (6) and are held in the middle of taking turns (5) to baffle (8) contact the surface of taking turns (5) to the slope outwards.

5. A miniature concealed circuit breaker used in the maintenance of lighting equipment according to claim 1, wherein: the safety cover (2) is a cover body buckled on the reset button (12) and the handle (10), and a through hole is formed in the front side of the safety cover (2).