CN215988612U - Anti-vibration anti-shake low-voltage soft start circuit breaker - Google Patents

Abstract

The utility model relates to the technical field of circuit breakers and discloses an anti-seismic and anti-shaking low-voltage soft start circuit breaker. The utility model comprises an assembly box, wherein a damping spring and a load seat are respectively arranged in the assembly box, when the load seat compresses the damping spring for damping, the load seat is matched with a limiting head to perform guiding sliding in a curve guide groove, the self-rotation of the load seat is realized, the damping spring with the fixed bottom end is twisted, the damping spring is compressed and simultaneously performs coil diameter expansion, the damping spring is matched with vertical compression double energy absorption through transverse twisting of the damping spring, the damping effect of damping is further improved, the utilization effect of the damping spring is better, the damping spring with the expanded coil diameter expands outwards and is pressed in a limiting recess on the inner wall of the assembly box, the load seat and the circuit breaker on the upper side are connected with the assembly box in a certain sense through the damping spring fixed in an inner expanding manner, the jitter caused by running clearance, assembly tolerance and other reasons in the damping process is avoided, and the anti-shake effect for the circuit breaker is realized.

Description

Anti-vibration anti-shake low-voltage soft start circuit breaker

Technical Field

The utility model relates to the technical field of circuit breakers, in particular to an anti-seismic and anti-shaking low-voltage soft start circuit breaker.

Background

A soft starter, as its name implies, is a device that provides a "soft start" for a motor by gradually increasing the voltage. Soft starters are used to control torque and reduce starting current, and are typically used to eliminate belt screech, prevent water hammer, reduce voltage drop when starting the motor, extend equipment life, or reduce the size of the standby generator. They provide smooth controlled starting and stopping of mechanical devices by reducing the torque of the motor, thereby reducing stress on the motor and extending the life of the system, and such devices typically need to work in conjunction with a circuit breaker when in use.

A conventional patent (publication No. CN 212967524U) discloses a shockproof vacuum circuit breaker, which includes a box body, a switch door fixed on one side of the box body, a heat sink fixed on the other side of the box body, supporting plates movably connected to both ends of the inner wall of the box body, and a vacuum circuit breaker fixedly connected between the two supporting plates. The inventor finds the following problems in the prior art in the process of implementing the utility model: 1. the existing equipment only utilizes the common compression process of the spring for buffering and damping, the utilization effect is not comprehensive enough, and the damping quantity is poor; 2. the internal part shakes because of reasons such as running clearance, assembly tolerance easily among the shock attenuation process, has certain potential safety hazard, and is unfavorable for stability in utilization.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art, such as: the existing equipment only utilizes the common compression process of the spring for buffering and damping, the utilization effect is not comprehensive enough, and the damping quantity is poor; the internal part has certain potential safety hazard easily because of the shake that reasons such as running clearance, assembly tolerance lead to among the shock attenuation process, and is unfavorable for stability in use, and the low pressure soft start circuit breaker of a antidetonation anti-shake that provides.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a low pressure soft start circuit breaker of antidetonation anti-shake, includes the assembly box, the wire mouth rather than inside intercommunication is seted up on the surface of assembly box for the circuit breaker is connected with other equipment, the inside shock attenuation spring of having placed respectively of assembly box and year seat, the both ends of shock attenuation spring weld respectively on the bottom surface of carrying the seat and assembly box inner wall, and the circuit breaker is installed and can be realized the shock attenuation through carrying seat displacement compression shock attenuation spring from top to bottom on the mount pad, the spiral groove has been seted up to the top surface of carrying the seat, and the internal rotation of spiral groove is connected with the mount pad for mount pad and circuit breaker can not be along with carrying the seat rotatory.

The inner wall of the assembly box is provided with two curve guide grooves, the two curve guide grooves are arranged on the inner wall of the assembly box in a staggered mode in an opposite mode, the edge of the surface of the carrier seat is welded with a limiting head matched with the curve guide grooves, when the carrier seat compresses the damping spring for buffering and damping, the carrier seat moves up and down in the assembly box, the limiting head is matched with the curve guide grooves to slide in a guiding mode in the process, the carrier seat rotates automatically, when the carrier seat moves down, the carrier seat rotates clockwise synchronously, the damping spring with the fixed bottom end is twisted, the damping spring is compressed, the ring diameter is expanded simultaneously, the damping spring is transversely twisted and vertically compressed, double energy absorption is achieved, the buffering and damping effect is further improved, the damping spring is better in utilization effect, a limiting recess matched with the damping spring is welded on the lower side of the inner wall of the assembly box, and the damping spring body with the ring diameter expanded outwards until the damping spring body is abutted against the limiting recess on the inner wall of the assembly box, at this moment, the circuit breaker of the load seat and the upper side is connected with the assembly box in a certain sense through the damping spring fixed in the inner expanding manner, so that the shaking caused by reasons such as running clearance, assembly tolerance and the like in the damping process is avoided, and the anti-shaking effect for the circuit breaker is realized.

Preferably, the carrier seat, the mounting seat and the limiting head are all made of plastic steel materials, the materials are excellent in air tightness, water tightness, corrosion resistance and the like, the prices are low, and the overall use cost is greatly reduced.

Preferably, the top surface welding of mount pad has the installation splint for be connected the circuit breaker with the mount pad and fix.

Preferably, the assembly opening has been seted up to the upside on assembly box surface, and articulated in the assembly opening have a transparent arc board, and the person of facilitating the use installs the circuit breaker in the assembly box, and transparent arc board when isolated external and assembly box inside is mutual, has made things convenient for user observation equipment.

Preferably, the fixed cover in outer lane of mount pad has connect the axle sleeve, and the axle sleeve inlays locates to revolve the inslot, and the axle sleeve can effectively reduce the coefficient of friction in the mount pad motion process, can be spacing in to guarantee its rotation accuracy.

Preferably, the number of the limiting concave seats is four, the four limiting concave seats are arranged along the inner wall of the assembling box and correspond to the spring body in the compression state of the damping spring, and the four limiting concave seats can be matched with the damping spring in the compression and expansion state in multiple directions.

Compared with the prior art, the utility model has the beneficial effects that:

(1) according to the utility model, through the matching of the curved guide groove and the load seat and other parts, when the load seat compresses the damping spring for damping, the limit head is matched to perform guiding sliding in the curved guide groove, so that the self-rotation of the load seat is realized, the damping spring with the fixed bottom end is twisted, the coil diameter expansion is performed while the damping spring is compressed, and through the matching of the transverse twisted damping spring and the vertical compression double energy absorption, the damping effect is further improved, and the utilization effect of the damping spring is better.

(2) The shock absorption spring body with the expanded coil diameter is expanded outwards to be pressed in the limiting recess on the inner wall of the assembly box through the matching of the load seat and the shock absorption spring and other parts, the load seat and the breaker on the upper side are connected with the assembly box in a certain meaning through the shock absorption spring fixed through internal expansion, the shaking caused by running clearance, assembly tolerance and other reasons in the shock absorption process is avoided, and the anti-shaking effect for the breaker is realized.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a front cross-sectional view of the present invention;

fig. 3 is a top sectional view of the present invention.

In the figure: 1. assembling a box; 2. a damping spring; 3. a carrier base; 4. rotating the groove; 5. a mounting seat; 6. a curved guide groove; 7. a limiting head; 8. a limiting concave seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the 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.

Referring to fig. 1-3, an anti-vibration anti-shake low-voltage soft start circuit breaker comprises an assembly box 1, wherein an assembly opening is formed in the upper side of the surface of the assembly box 1, a transparent arc plate is hinged in the assembly opening, a damping spring 2 and a carrying seat 3 are respectively placed in the assembly box 1, two ends of the damping spring 2 are respectively welded on the bottom surface of the carrying seat 3 and the inner wall of the assembly box 1, the circuit breaker is installed on an installation seat 5, namely, the damping spring 2 can be compressed through the up-and-down displacement of the carrying seat 3 to realize damping, a spiral groove 4 is formed in the top surface of the carrying seat 3, the installation seat 5 is rotatably connected in the spiral groove 4, a shaft sleeve is fixedly sleeved on the outer ring of the installation seat 5, the shaft sleeve is embedded in the spiral groove 4, an installation clamp plate is welded on the top surface of the installation seat 5, curve guide grooves 6 are formed in the inner wall of the assembly box 1, the number of the curve guide grooves 6 is two, and the two curve guide grooves 6 are arranged on the inner wall of the assembly box 1 in a staggered way in opposite directions, the edge of the surface of the load bearing seat 3 is welded with a limiting head 7 matched with the curve guide groove 6, the load bearing seat 3, the mounting seat 5 and the limiting head 7 are made of plastic steel materials, when the load bearing seat 3 compresses the damping spring 2 for buffering and damping, the load bearing seat moves up and down in the assembly box 1, the limiting head 7 is matched to slide in the curve guide groove 6 in a guiding way in the process, the self-rotation of the load bearing seat 3 is realized, when the load bearing seat 3 moves down, the clockwise rotation is synchronously performed, the damping spring 2 with the fixed bottom end is twisted, the coil diameter expansion is performed when the damping spring 2 is compressed, the damping spring 2 is matched with vertical compression double energy absorption through transverse twisting of the damping spring 2, the buffering and damping effect is further improved, the utilization effect of the damping spring 2 is better, the limiting concave seats 8 matched with the damping spring 2 are welded on the lower side of the inner wall of the assembly box 1, the number of the limiting concave seats 8 is four, and the four limiting concave seats 8 are arranged along the inner wall of the assembly box 1 and correspond to the spring body in the compression state of the damping spring 2, the 2 spring bodies of the shock absorption spring with the expanded coil diameter expand outwards until abutting against the limiting concave seat 8 on the inner wall of the assembly box 1, the load seat 3 and the circuit breaker on the upper side are connected with the assembly box 1 in a certain meaning through the shock absorption spring 2 fixed by internal expansion, the shake caused by the reasons of running clearance, assembly tolerance and the like in the shock absorption process is avoided, and the anti-shake effect for the circuit breaker is realized.

In the utility model, when a user uses the device, firstly, the device is fixed at a use point, the breaker is arranged on the mounting seat 5, the breaker is connected with the soft starter through a cable, when vibration occurs, the shock absorption of the breaker can be realized by compressing the shock absorption spring 2 through the vertical displacement of the carrier seat 3, and when the carrier seat 3 compresses the shock absorption spring 2 for buffering and shock absorption, the breaker moves up and down in the assembly box 1, in the process, the limit head 7 is matched to perform guiding sliding in the curve guide groove 6, the self-rotation of the carrier seat 3 is realized, the carrier seat 3 synchronously rotates clockwise when moving down, and the shock absorption spring 2 with the fixed bottom end is twisted, so that the ring diameter expansion is performed while the shock absorption spring 2 is compressed, the double energy absorption is realized through the horizontal distortion of the shock absorption spring 2 and the vertical compression, the buffer shock absorption effect is further improved, the utilization effect of the shock absorption spring 2 is better, and simultaneously, the shock absorption spring 2 with the ring diameter expanded outwards expands until the shock absorption spring body is pressed in the limit concave seat 8 on the inner wall of the assembly box 1, at this moment, the circuit breaker of the load seat 3 and the upper side is connected with the assembly box 1 in a certain sense through the damping spring 2 fixed by internal expansion, so that the shaking caused by reasons such as running clearance, assembly tolerance and the like in the damping process is avoided, and the anti-shaking effect on the circuit breaker is realized.

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 person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims (6)

1. The utility model provides a soft start circuit breaker of low pressure of antidetonation anti-shake, includes assembly box (1), its characterized in that: a damping spring (2) and a carrying seat (3) are respectively placed in the assembling box (1), two ends of the damping spring (2) are respectively welded on the bottom surface of the carrying seat (3) and the inner wall of the assembling box (1), a spiral groove (4) is formed in the top surface of the carrying seat (3), and a mounting seat (5) is rotatably connected in the spiral groove (4);

the inner wall of assembly box (1) has been seted up curve guide slot (6), the quantity of curve guide slot (6) is two, and two curve guide slot (6) opposite direction dislocation set on the inner wall of assembly box (1), the edge welding on year seat (3) surface has spacing head (7) with curve guide slot (6) matched with, the downside welding of assembly box (1) inner wall has spacing recess (8) with damping spring (2) matched with.

2. An anti-shock and anti-shake low-voltage soft-start circuit breaker according to claim 1, characterized in that: the carrying seat (3), the mounting seat (5) and the limiting head (7) are all made of plastic steel materials.

3. An anti-shock and anti-shake low-voltage soft-start circuit breaker according to claim 1, characterized in that: and the top surface of the mounting seat (5) is welded with a mounting clamping plate.

4. An anti-shock and anti-shake low-voltage soft-start circuit breaker according to claim 1, characterized in that: the upper side of the surface of the assembling box (1) is provided with an assembling port, and a transparent arc plate is hinged in the assembling port.

5. An anti-shock and anti-shake low-voltage soft-start circuit breaker according to claim 1, characterized in that: the outer ring of the mounting seat (5) is fixedly sleeved with a shaft sleeve, and the shaft sleeve is embedded in the rotary groove (4).

6. An anti-shock and anti-shake low-voltage soft-start circuit breaker according to claim 1, characterized in that: the number of the limiting concave seats (8) is four, and the four limiting concave seats (8) are arranged along the inner wall of the assembling box (1) and correspond to the spring body of the damping spring (2) in a compression state.

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