CN211879316U

CN211879316U - Observable base and circuit breaker

Info

Publication number: CN211879316U
Application number: CN202020494711.XU
Authority: CN
Inventors: 杜和艳; 王砚波; 莫洪春; 宋志文
Original assignee: Delixi Electric Co Ltd
Current assignee: Delixi Electric Co Ltd
Priority date: 2020-04-07
Filing date: 2020-04-07
Publication date: 2020-11-06
Anticipated expiration: 2030-04-07

Abstract

The utility model provides a can observe type base and circuit breaker belongs to the electric field of low pressure, and it includes base body, and base body is including the bottom plate with connect perpendicularly in the curb plate one of bottom plate both sides and constitute with two curb plates, on the internal surface of bottom plate, on the bottom plate, corresponding to the assembly condition that the inside part was used for observing in square observation groove has been seted up to the position of inside part. The utility model discloses a design opening for operating device's assembly is visual, uses the circuit breaker of this base, under the condition that does not influence its overall structure and performance, can effectively improve assembly efficiency.

Description

Observable base and circuit breaker

Technical Field

The utility model relates to a low-voltage apparatus field especially relates to an observable type base and circuit breaker.

Background

The basic structure of the low-voltage electrical appliance mainly comprises a base, internal parts such as an operating mechanism and the like, a terminal and a cover covering the base. Because the inside operating device that influences of dust, steam entering for preventing during the use of low-voltage apparatus, also prevent that the inside electric arc of low-voltage apparatus from spilling, consequently base, housing structure need have the wholeness and need to close closely simultaneously between base and the housing.

The operating mechanism and other internal parts of most of the existing low-voltage apparatuses need to be mounted on the base, and therefore the base is generally provided with corresponding mounting holes. The mounting holes of the inner parts such as the operating mechanism are also arranged on the back side, namely the side opposite to or in contact with the base, and when the operating mechanism is assembled, the mounting holes of the inner parts such as the operating mechanism need to be corresponding to the mounting holes of the base. This is problematic in that, when the mounting holes correspond to each other, the mounting holes in the internal parts such as the operating mechanism cannot be observed, and therefore, it takes a lot of time to adjust the relative positions of the internal parts such as the operating mechanism and the base in alignment of the mounting holes in actual operation.

Disclosure of Invention

The utility model provides a to prior art not enough, the utility model provides a can observe type base and circuit breaker solves among the prior art problem that operating device assembly is difficult, assembly efficiency is low, makes the mounting hole on the operating device can be fast corresponding so that the assembly with the mounting hole on the base.

An object of the utility model is to provide an observable type base, it includes base body, base body includes:

the square observation groove is formed in the position, corresponding to the inner part, of the bottom plate and used for observing the assembling condition of the inner part;

and the two side plates are vertically connected to the two sides of the bottom plate.

The utility model discloses further set up as follows: the square observation groove is arranged at the bottom of the bottom plate, and the bottom refers to the bottom in a normal use state when the base and the parts such as the inner parts of the operating mechanism and the like, the wiring terminal, the housing and the like are assembled together to form a finished product. The reason why the square observation groove needs to be arranged at the bottom of the bottom plate is that main internal parts of most low-voltage electrical appliances, such as an operating mechanism, a mutual inductor and the like, which have complex structures and large volumes, are arranged at the bottom, and the internal parts with complex structures and large volumes are a great difficulty in assembly.

The utility model discloses further set up as follows: the square observation groove is a rectangular groove, the length direction of the square observation groove is parallel to the width direction of the base, and the rectangular observation groove can observe more internal parts from the outer surface (or back) of the base and along the width direction of the base so as to align the internal parts and further improve the assembly efficiency.

The utility model discloses further set up as follows: the short side of square observation groove is equipped with the mounting groove of indent in bottom plate surface with bottom plate junction, the mounting groove has certain width. The mounting groove structure in the structure provides a plane for mounting and abutting for subsequent assembly, and also limits a determined mounting position for subsequent assembly, so that the mounting groove structure is conveniently assembled with a sealing cover piece for sealing and covering the square observation groove and reduces the assembly difficulty. And the contact surface between the mounting groove and the cover piece can form clearance fit for reducing dust and clearance entering the base from the contact surface.

In the above-mentioned structure, the mounting groove has certain width, and the width that indicates is 1/10 no less than 5mm or no less than the long side length of square observation groove.

The utility model discloses further set up as follows: the edge of any long side or all long sides of the square observation groove is provided with a bulge protruding towards the inside.

The utility model discloses further set up as follows: the number of the protrusions is preferably two and is arranged on one long side with unequal distance.

The utility model discloses further set up as follows: the square observation groove is integrally in smooth transition, dead angles generated by the square observation groove can be avoided, and the sealing cover piece used for sealing and covering the square observation groove can comprehensively cover the square observation groove without the dead angles so as to completely recover the sealing property of the base as far as possible.

The utility model discloses further set up as follows: the square observation groove is matched with the sealing cover piece in shape and size, and the sealing cover piece is fixedly covered on the square observation groove. For sealed with the square observation groove on the base, above-mentioned structural design the closing cap spare seal and cover the square observation groove from the surface of bottom plate, avoid external dust, steam from this square observation groove get into within the base, but guarantee each part within the base, mechanism normal use.

The utility model discloses further set up as follows: the cover piece and the base are made of the same material, so that the cover piece can correspond to the base in material after being fixed on the base, the deformation and the like of the joint due to different materials are avoided, the sealing performance of the joint is improved, and the sealing performance of the original base is further restored.

For the assembly, the utility model discloses further set up as follows: the sealing cover piece and the square observation groove are fastened by plastic rivets, and the plastic rivets ensure that the connection between the sealing cover piece and the base is irreversible, so that the sealing performance of the original base can be restored.

Another object of the present invention is to provide a circuit breaker, which comprises any one of the above base, inner member, wiring end, housing and cover member, the inner member and the wiring end are installed between the base and the housing. Preferably, the inner member is an operating mechanism, and the position of the square observation groove corresponds to the middle and lower portions of the operating mechanism mounted on the base. As one of the internal components, the above-described operating mechanism may be replaced with a transformer or an arc extinguishing mechanism.

The utility model has the advantages as follows: the utility model discloses an observing the groove in the shape of square of opening bottom the current base, can make the assembler through its real-time observation inner part concrete position and whether assemble in place, effectively practice thrift because of the time and the energy that the extravagant position school of base is to expending. And when assembling the mutual inductor of the four-stage product, the square observation groove can be used as a transition window of the N-phase conductor so as to arrange N-phase components and ABC-phase thermal elements conveniently, and the assembling difficulty of the existing plastic shell leakage four-stage product is greatly reduced.

In short, the utility model discloses an to the opening design of base, make the operating device in the circuit breaker easily assemble, easily observe, easily adjust to square observation groove end-to-end use closing cap piece seals and covers, has restoreed the original closure of base again. The utility model discloses on keeping original base, circuit breaker structure, unchangeable basis of performance, effectively improved the assembly efficiency of inner part, be favorable to improving production efficiency.

Drawings

Fig. 1 is an overall schematic view of embodiment 1 of the present invention.

Fig. 2 is a schematic structural view of a square observation trough according to embodiment 1 of the present invention.

Fig. 3 is a schematic view of a structure of an application state of the present invention.

Fig. 4 is a schematic view of the back structure of fig. 3.

Reference numerals: 100-base body, 200-closure, 300-operating mechanism;

110-outer surface, 120-square observation groove, 121 a-mounting hole one, 122 a-mounting hole two, 121-mounting groove one, 122-mounting groove two, 123-bulge one, 124-bulge two.

Detailed Description

The utility model provides an observable base, it is through the design opening, solves among the prior art problem that operating device 300 assembles difficulty, assembly efficiency is low. Furthermore, the utility model discloses this provides an adopt above-mentioned circuit breaker that can observe base, use behind this base, under the condition that does not influence its overall structure and performance, effectively improved the assembly efficiency of circuit breaker. The detailed structure is described in detail below with reference to the accompanying drawings.

Example 1

As shown in fig. 1 and 2, the embodiment provides an observable base, which includes a base body 100, the base body 100 includes a bottom plate and a first side plate and a second side plate which are vertically connected to two sides of the bottom plate, on the inner surface of the bottom plate, as shown in fig. 3, a plurality of parallel partition boards are distributed between the first side plate and the second side plate to divide the inner surface of the bottom into a plurality of spaces, and on the partition boards and each small space, a plurality of structures such as protrusions, holes and wire grooves are further provided for assembling and fixing inner parts such as an operating mechanism 300. The concrete structure on the base body 100 is prior art, and with the utility model discloses a technical essential is relevant at the end, so do not give unnecessary details again here.

On the bottom when the base assembly uses for the finished product, offer square observation groove 120 for observing the assembly condition of inner part corresponding to the position of inner part. In order to widen the observable range as much as possible, the square observation slot 120 of the present embodiment is a rectangular slot, and the length direction thereof is parallel to the width direction of the base body 100 (i.e. the bottom edge of the base body 100).

Further, the two short sides of the square observation groove 120 are bordered by the first mounting groove 121 and the second mounting groove 122 on the bottom plate, respectively, and the first mounting groove 121 and the second mounting groove 122 have substantially the same structure and are both recessed in the outer surface 110 of the bottom plate. Referring to fig. 2, in the embodiment, the first mounting groove 121 and the second mounting groove 122 both have a wider width, so that the sealing cover 200 can be assembled conveniently, and the first mounting groove 121 and the second mounting groove 122 are matched with two sides of the sealing cover 200, so as to improve the sealing performance of the matching positions of the first mounting groove 121 and the second mounting groove 122 with the sealing cover 200, and improve the sealing effect of the sealing cover. In order to ensure the sealing effect, a further embodiment is to ensure that the widths of the first mounting groove 121 and the second mounting groove 122 are not less than 5mm or not less than 1/10 of the length of the long side of the square observation groove 120, and the widths of the first mounting groove 121 and the second mounting groove 122 shown in fig. 2 are 7.99mm, and are about 0.12 compared with the long side of the square observation groove 120, and the ratio of the widths to the overall length of the structure is also close to 0.1.

As a preferred embodiment, referring to fig. 2, in this embodiment, a first protrusion 123 and a second protrusion 124 are disposed at the edge of any long side or all long sides of the square observation slot 120, the first protrusion 123 and the second protrusion 124 protrude toward one side of the inside of the square observation slot 120, and the distances between the first protrusion 123 and the second protrusion 124 are different from the nearest distances between the first protrusion 123 and the second protrusion 124 and the short sides. The first protrusion 123 and the second protrusion 124 have a plane limiting function, and the first protrusion 123 and the second protrusion 124 can be used for double limiting functions to ensure that the lid 200 cannot move on a plane after being assembled (where the non-movement means a movement range not exceeding a processing error, and even if a certain processing error exists, because at least four clearance fit functions exist between the first protrusion 123 and the second protrusion 124 and the lid 200, a certain movement caused by the processing error can be compensated for), so that the sealing performance between the lid 200 and the base body 100 after being assembled is improved.

Of course, in the main embodiment and various preferred embodiments provided in this embodiment, it is preferable that the entire square observation groove 120 is in a smooth transition, so that a dead angle is generated in the square observation groove 120 and the situation that the sealing performance is reduced due to the dead angle is avoided.

Example 2

The difference between this embodiment and embodiment 1 is that a sealing member 200 is disposed on the square observation groove 120 of the base body 100, and the shape and size of the sealing member 200 are adapted to the square observation groove 120 and are fixed to cover the square observation groove 120. In an optimal mode that the first mounting groove 121 and the second mounting groove 122 are designed to be mounted in embodiment 1, the first mounting groove 121 and the second mounting groove 122 are respectively provided with a first mounting hole 121a and a second mounting hole 122a, the sealing cover 200 and the square observation groove 120 are fastened by using plastic rivets, and the plastic rivets are convenient to achieve rapid assembly, stable, reliable and irreversible to assemble, and beneficial to improving the overall sealing performance of the base.

Preferably, the cover member 200 and the base are made of the same material, so as to prevent the gap opening of the combination of different materials from expanding and enlarging, and prevent external moisture and dust from easily invading into the base.

Example 3

The present embodiment provides a circuit breaker, which includes a base body 100 with a square observation slot 120, an operating mechanism 300, a terminal, a housing and a cover 200, wherein the operating mechanism 300 and the terminal are installed between the base body 100 and the housing. A first mounting groove 121 and a second mounting groove 122 are arranged between the square observation groove 120 and the border of the base body 100, the first mounting groove 121 and the second mounting groove 122 have certain widths and are respectively provided with a first mounting hole 121a and a second mounting hole 122a, the size of the sealing cover piece 200 is matched with that of the square observation groove 120 and covers the square observation groove 120, and the sealing cover piece 200 and the square observation groove 120 are quickly assembled through plastic rivets to be fixed.

Preferably, a first protrusion 123 and a second protrusion 124 are disposed at the edge of any long side or all long sides of the square observation groove 120, and the first protrusion 123 and the second protrusion 124 protrude toward the inner side of the square observation groove 120, so as to prevent the cover member 200 from moving on the square observation groove 120 after being assembled, thereby ensuring the sealing performance of the base.

In the present embodiment, the operating mechanism 300 may include other internal components such as a transformer, an ABCN four-phase and a partition plate, and an arc extinguishing mechanism as one of the internal components, or the operating mechanism 300 may be replaced with the internal components such as the transformer and the arc extinguishing mechanism.

To sum up, the utility model provides an it can observe base and circuit breaker thereof, it can effectively improve operating device 300's assembly efficiency under the too big condition of the original closure influence of base to this type of product of greatly reduced especially to the operating device 300's that has ABCN four-phase and baffle and mutual-inductor the assembly degree of difficulty, the utility model discloses simple structure, convenient to use.

Claims

1. An observable base, its characterized in that: including the base body, the base body includes:

2. The observable mount of claim 1, wherein: the square observation groove is arranged at the bottom of the bottom plate and/or is a rectangular open groove, and the length direction of the square observation groove is parallel to the width direction of the base.

3. The observable mount of claim 2, wherein: the short side of square observation groove is equipped with the mounting groove of indent in bottom plate surface with bottom plate junction, the mounting groove has certain width.

4. The observable mount of claim 1, wherein: the edge of any long side or all long sides of the square observation groove is provided with a bulge protruding towards the inside.

5. The observable mount of claim 4, wherein: the number of the bulges is two and is distributed close to two ends of the same long side.

6. The observable mount of claim 5, wherein: the square observation groove is in smooth transition as a whole.

7. The observable mount of any one of claims 1-6, wherein: the square observation groove is matched with the sealing cover piece in shape and size, and the sealing cover piece is fixedly covered on the square observation groove.

8. The observable mount of claim 7, wherein: the cover component and the square observation groove are fastened by plastic rivets.

9. The observable mount of claim 7, wherein: the cover member and the base are made of the same material.

10. A circuit breaker, characterized by: comprising an observable base as claimed in any of claims 7-9, an inner part, a terminal, a housing, said inner part and said terminal being mounted between said base and said housing.

11. The circuit breaker of claim 10, wherein: the inner part is an operating mechanism.