CN217114259U

CN217114259U - Universal circuit breaker accessory mounting structure

Info

Publication number: CN217114259U
Application number: CN202220594912.6U
Authority: CN
Inventors: 刘丰丰; 侯魁; 杜吟; 王�忠; 吴晓杭
Original assignee: Jiangsu Daquan Kaifan Switch Co ltd
Current assignee: Jiangsu Daquan Kaifan Switch Co ltd
Priority date: 2022-03-18
Filing date: 2022-03-18
Publication date: 2022-08-02
Anticipated expiration: 2032-03-18

Abstract

The utility model discloses an omnipotent circuit breaker annex mounting structure, including annex module, operating device, well curb plate, roof, base, annex module, operating device, well curb plate and roof four install in base the place ahead, annex module installs in well curb plate left side. By mounting the accessory module to the side of the operating mechanism, space is freed up above the operating mechanism. The utility model discloses a can effectively solve operating device upper portion space not enough, be difficult to the problem that increases the explosion chamber capacity, and change the installation direction into the past installation backward, the maintenance of later stage operating personnel has been examined and repaired in the aspect.

Description

Universal circuit breaker accessory mounting structure

Technical Field

The utility model relates to a low voltage apparatus components and parts equipment technical field specifically is an universal circuit breaker annex mounting structure.

Background

The universal circuit breaker is internally provided with more necessary accessories, such as a switching-on/off coil, an undervoltage coil and the like. In the inside design overall arrangement of traditional circuit breaker, its undervoltage release and shunt release are installed in the top of circuit breaker operating device apron usually, and the installation direction is from last installation down for circuit breaker top space is comparatively compact, it is difficult to maintain, the partial space of operating device top has been taken up to the overall arrangement scheme of release coil in the mechanism top, the capacity of explosion chamber has led to the fact the obstacle for future fore-and-aft direction increases, in order to solve this problem, some attempts of changing annex mounting structure have been made to technical staff in the field.

For example, patent publication No. CN204407273U discloses a mounting structure for electrical accessories of circuit breaker. The circuit breaker comprises a circuit breaker operating mechanism, a shunt release and a closed electromagnet, wherein the shunt release and the closed electromagnet are horizontally arranged in a mechanism cover plate side by side, a limiting and clamping hook is arranged in the mechanism cover plate, clamping grooves are arranged on the shunt release and the closed electromagnet at positions corresponding to the clamping hook, the shunt release and the closed electromagnet are fixedly arranged in the mechanism cover plate through the matching of the clamping grooves and the clamping hook, and the mechanism cover plate is horizontally clamped in a side plate clamping groove of a side plate of the circuit breaker operating mechanism. This mounting structure has optimized circuit breaker electrical apparatus annex mounting structure, has improved the convenience and the stability of electrical apparatus annex installation.

At present, the above patents and the prior art still have the following disadvantages in the actual operation process: after the universal circuit breaker is installed inside a power distribution cabinet, although a separation release and the like are moved to the position below a mechanism cover plate, the space above the circuit breaker is still compact, and when maintenance personnel replace accessories, the operable space is still small, so that the replacement is inconvenient. In some cases, when the capacity of the arc-extinguishing chamber needs to be increased in the front-rear direction, the narrow space above the arc-extinguishing chamber still causes a great obstacle.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides an universal circuit breaker annex mounting structure to solve above-mentioned problem.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides a conventional circuit breaker annex mounting structure which characterized in that: the multifunctional accessory module comprises an accessory module, an operating mechanism, a middle side plate, a top plate and a base, wherein the accessory module, the operating mechanism, the middle side plate and the top plate are arranged in front of the base, the accessory module is arranged on the left side of the middle side plate, the operating mechanism comprises a main shaft and a tripping half shaft, and the main shaft and the tripping half shaft both penetrate through the middle side plate.

Preferably, the accessory module comprises a shunt release, an undervoltage release, a cover plate, a mounting shaft, a switching plate and an elastic piece, the shunt release, the undervoltage release and the mounting shaft are mounted in front of the mounting plate, the mounting plate is mounted below the top plate, the cover plate presses the shunt release and the undervoltage release to be mounted on the mounting shaft, and the switching plate is connected with the mounting plate through the elastic piece.

Preferably, the mounting plate is provided with two first round holes, and the armatures of the shunt release and the undervoltage release which are arranged in front of the mounting plate penetrate through the two first round holes.

Preferably, two circular holes II are formed in the bending side plates on the two sides of the mounting plate, two circular holes III are also formed in the bending side plates on the two sides of the switching plate, the switching plate is connected with the circular holes II on the bending side plates on the two sides of the mounting plate through the two circular holes III, a notch is formed in the bottom of the bending side plate on one side of the mounting plate, and the mounting plate is connected with the elastic piece through the notch.

Preferably, the top of the mounting plate is provided with a first protruding part, a first groove and a fourth round hole.

Preferably, the lower part of the switching plate is provided with two protruding parts II, one end of the switching plate is provided with a pushing hand part, and the two protruding parts II cover the two round holes I on the mounting plate behind the mounting plate.

Preferably, a round hole five is formed in the switching plate, and the elastic piece is connected with the switching plate through the round hole five.

Preferably, one end of the tripping half shaft is provided with a boss part, and the boss part is in downward contact with a pushing handle part at one end of the switching plate.

Preferably, the front edge of the left side of the top plate is provided with a third protruding part and a second groove.

Preferably, the elastic part is a spring, the round hole four is a threaded hole, and the shaft between the switching plate and the mounting plate is connected by a rivet.

Compared with the prior art, the utility model, beneficial effect lies in: by mounting the accessory modules including the shunt release and the undervoltage release on the side surface of the operating mechanism, the space on the upper part of the operating mechanism is released, and a possibility is provided for increasing the capacity of the arc extinguish chamber; and the installation direction is changed from top to bottom into front to back, so that the maintenance personnel can conveniently operate and overhaul the switching device.

Drawings

FIG. 1 is a schematic view of the front left view angle installation completion structure of the present invention;

FIG. 2 is a schematic view of the upper left-side view perspective explosion structure of the present invention;

FIG. 3 is a detailed view of the structure of the mounting plate and the switching plate of the present invention;

the device comprises an accessory module 1, an accessory module 101, a shunt release 102, an under-voltage release, an armature 1021, a cover plate 103, a mounting plate 104, a round hole I1041, a round hole II 1042, a round hole II 1043, a notch 1044, a bulge part I1045, a groove I1046, a round hole IV 1046, a mounting shaft 105, a switching plate 106, a round hole III 1061, a bulge part II 1062, a push handle part 1063, a round hole V1064, an elastic piece 107, an operating mechanism 2, a main shaft 201, a tripping half shaft 202, a boss part 2021, a middle side plate 3, a top plate 4, a bulge part III 401, a groove II 402 and a base 5.

Detailed Description

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

The embodiment provides a technical scheme that: as shown in the figures, the universal circuit breaker accessory mounting structure of the utility model comprises an accessory module 1, an operating mechanism 2, a middle side plate 3, a top plate 4 and a base 5; the operating mechanism 2 is installed in front of the base 5 through a hoop, the accessory module 1, the middle side plate 3 and the top plate 4 are directly installed in front of the base 5 through screws, and the installation screws of the accessory module 1 are arranged on the left side of the side plate 4; the accessory module 1 comprises a shunt release 101, an undervoltage release 102, a cover plate 103, a mounting plate 104, a mounting shaft 105, a switching plate 106, an elastic piece 107 and other standard components, wherein the mounting plate 104 is provided with two round holes one 1041 and square holes corresponding to bottom protrusions of the two releases, the shunt release 101 and the undervoltage release 102 are arranged on the mounting plate 104 from the front, the bottom protrusions are embedded into the corresponding square holes, and armatures 1021 of the two releases are respectively aligned to the two round holes one 1041; the mounting plate 104 is also provided with a round hole for fixing the mounting shaft 105, the mounting shaft 105 is also arranged on the mounting plate 104 from the front, and a round bulge at the rear part of the mounting shaft 105 is embedded into the round hole for fixing the mounting shaft 105; the front part of the mounting shaft 105 is provided with a blind screw hole, the cover plate 103 is provided with a screw hole, the cover plate 103 presses the two releases, and a screw passes through the cover plate 103 and is screwed into the blind screw hole at the front part of the mounting shaft 105 to fix the two releases on the mounting plate 104; . Two bent side plates are arranged on two sides of the mounting plate 104, the side plate on the left side is long, the side plate on the right side is short, a hanging lug is formed on the upper portion of the mounting plate 104, a round hole II 1042 is formed in each of the upper portion of the side plate on the left side and the hanging lug on the right side, a round hole III 1061 is formed in each of two sides corresponding to the switching plate 106, a rivet is mounted on the round hole III 1061 on the right side of the switching plate 106 and penetrates through the hanging lug on the right side of the mounting plate 104, a rivet is also mounted on the round hole II 1042 on the upper portion of the side plate on the left side of the mounting plate 104 and penetrates through the round hole III 1061 on the left side of the switching plate 106, and the switching plate 106 can rotate around rivet shafts on two sides; the switching plate 106 is specially-shaped, a round hole five 1064 is formed at the bottom of the left side close to the round hole three 1061, the upper end of an elastic piece (107) made of a spring is hung in the round hole five 1064, a notch 1043 is formed at the bottom of the long side plate at the left side of the mounting plate 104, and the lower end of the spring is hooked in the notch 1043; two second protruding parts 1062 are further formed at the lower part of the switching plate 106, and the two second protruding parts 1062 cover the two first round holes 1041 on the mounting plate 104 from the rear; meanwhile, a pushing handle part 1063 is further formed at the end, provided with the circular hole three 1061, of the right side of the switching plate 106, the whole operating mechanism comprises a main shaft 201 and a tripping half shaft 202, the main shaft 201 and the tripping half shaft 202 both penetrate through the middle side plate 3, a boss part 2021 is arranged at one end of the tripping half shaft 202, and the boss part 2021 extends to the left side of the middle side plate 3 and is in downward contact with the pushing handle part 1063. Fixing the top plate 4 again, the front edge on the left side of the top plate 4 is provided with two protruding parts three 401 and a groove two 402, the top corresponding to the mounting plate 104 is provided with two protruding parts one 1044 and two grooves one 1045, a round hole four 1046 is further formed in the middle of the two protruding parts one 1044, threads are tapped in the round hole four 1046, the two protruding parts three 401 of the top plate 4 are clamped into the two grooves 1045 at the top of the mounting plate 104 towards the right lower side, the top plate 4 is jacked by the two protruding parts 1044 at the top of the mounting plate 104, in order to prevent the top plate from being separated from the right side, the round hole four 1046 is screwed in by a screw, a screw rod of the screw extends out of the rear side of the round hole four 1046 and is clamped into the groove two 402 on the top plate 4, and the top plate 4 is fixed.

When the tripping device is used, in a natural state, the armatures of the two tripping device coils do not extend, and the switching plate 106 covers the two first round holes 1041 of the mounting plate 104 under the pulling force of the spring; in the working state, the armature 1021 of the coil in the trip unit extends out from the two first round holes 1041 of the mounting plate 104 to push open the second protruding portion 1062 of the switching plate 106, the switching plate 106 rotates around the shaft at the upper portion to drive the pushing hand portion 1063 at the right side of the switching plate 106 to press the boss portion 2021 on the tripping half shaft 202 downwards, and then the tripping half shaft 202 is driven to rotate around the shaft, so that the switch is tripped and disconnected. When the non-working natural state is returned, the armature 1021 retracts, the switching plate 106 returns to the state of covering the round hole one 1041 under the pulling of the spring, the pushing handle part is lifted, and the tripping half shaft 202 is also lifted to the original position.

In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a conventional circuit breaker annex mounting structure which characterized in that: including annex module (1), operating device (2), well curb plate (3), roof (4), base (5), install in base (5) the place ahead in annex module (1), operating device (2), well curb plate (3) and roof (4), annex module (1) is installed in well curb plate (3) left side, operating device (2) include main shaft (201), trip semi-axis (202), both pass well curb plate (3) in main shaft (201) and trip semi-axis (202).

2. The conventional circuit breaker accessory-mounting structure as claimed in claim 1, wherein: the accessory module (1) comprises a shunt release (101), an under-voltage release (102), a cover plate (103), a mounting plate (104), a mounting shaft (105), a switching plate (106) and an elastic piece (107), wherein the shunt release (101), the under-voltage release (102) and the mounting shaft (105) are mounted in front of the mounting plate (104), the mounting plate (104) is mounted below the top plate (4), the cover plate (103) presses the shunt release (101) and the under-voltage release (102) and is mounted on the mounting shaft (105), and the elastic piece (107) is connected between the switching plate (106) and the mounting plate (104).

3. The conventional circuit breaker accessory mounting structure as claimed in claim 2, wherein: two first round holes (1041) are formed in the mounting plate (104), and armatures (1021) of a shunt release (101) and an under-voltage release (102) which are mounted in front of the mounting plate are aligned to the first round holes (1041).

4. The conventional circuit breaker accessory mounting structure as claimed in claim 2, wherein: two round holes II (1042) are formed in the bending side plates on the two sides of the mounting plate (104), two round holes III (1061) are also formed in the bending side plates on the two sides of the switching plate (106), the switching plate (106) is connected with the round holes II (1042) in the bending side plates on the two sides of the mounting plate (104) through the two round holes III (1061), a notch (1043) is formed in the bottom of the bending side plate on one side of the mounting plate (104), and the mounting plate (104) is connected with the elastic piece (107) through the notch (1043).

5. The conventional circuit breaker accessory mounting structure as claimed in claim 2, wherein: the top of the mounting plate (104) is provided with a first protruding part (1044), a first groove (1045) and a fourth round hole (1046).

6. The conventional circuit breaker accessory mounting structure as claimed in claim 2, wherein: two second protruding parts (1062) are arranged on the lower portion of the switching plate (106), a pushing part (1063) is arranged at one end of the switching plate (106), and the two second protruding parts (1062) cover two first round holes (1041) in the mounting plate (104) behind the mounting plate (104).

7. The conventional circuit breaker accessory mounting structure as claimed in claim 2, wherein: a round hole five (1064) is formed in the switching plate (106), and the elastic piece (107) is connected with the switching plate (106) through the round hole five (1064).

8. The conventional circuit breaker accessory-mounting structure as claimed in claim 1, wherein: one end of the tripping half shaft (202) is provided with a boss part (2021), and the boss part (2021) is in downward contact with a pushing hand part (1063) at one end of the switching plate (106).

9. The conventional circuit breaker accessory mounting structure of claim 1, wherein: and a third protruding part (401) and a second groove (402) are arranged at the front edge of the left side of the top plate (4).

10. The conventional circuit breaker accessory mounting structure as claimed in claim 5, wherein: the elastic piece (107) is a spring, the round hole four (1046) is a threaded hole, and the shaft between the switching plate (106) and the mounting plate (104) is connected through a rivet.