CN217788213U - Installation base of circuit protection device indicating device - Google Patents

Abstract

The invention relates to the field of circuit protection of electric power, electronics and new energy automobiles, and discloses an installation base of an indicating device of a circuit protection device, wherein the installation base is detachably installed outside a shell of the circuit protection device; the mounting base is provided with a through containing cavity, and the indicating device can be connected in the containing cavity in a buckling mode. The invention can realize modularized rapid installation and disassembly through the buckling fit, thereby improving the replacement efficiency of production assembly and application fields; the installation and the use of circuit protectors of multiple models can be compatible, and the applicability is wider; the modular design is more universal and standardized.

Description

Installation base of circuit protection device indicating device

Technical Field

The invention relates to the field of circuit protection of electric power, electronics and new energy automobiles, in particular to a fuse applied to circuit protection; in particular to an indicator matched with a fuse and a mounting base of a microswitch device.

Background

The circuit protection device is a component which melts the melt or mechanically breaks the melt by the heat generated by the circuit after the current exceeds a specified value for a period of time, so that the circuit is broken to protect equipment, instruments and the like in the circuit. The circuit protection device is widely applied to high-low voltage distribution systems, control systems, electric equipment and new energy automobiles, and is one of the most commonly applied circuit protection devices as a protector for short circuit and overcurrent. Along with market and user's security and the reliability requirement constantly improve to circuit protection, set up fusing indicator and micro-gap switch on the circuit protection device, after fusing, the indicator then can pop out, or micro-gap switch carries out fusing warning to the customer in time maintains and changes the circuit.

In the prior art, only one indicating device can be installed on the same circuit protection device, the requirements of the market and customers on optional selection and replacement of the indicator and the microswitch cannot be met, and the traditional threaded connection is low in efficiency and cannot meet the customer requirements of rapid installation on an application site.

Disclosure of Invention

The technical problem to be solved by the invention is to provide a mounting base of an indicating device of a circuit protection device, which can be used for mounting an indicator and a microswitch for indicating; and when installing indicator or micro-gap switch, only need can realize through the buckle mode. The indicator/microswitch can be adapted and also quickly mounted.

In order to solve the technical problem, the technical scheme provided by the invention is that the installation base of the indicating device of the circuit protection device is detachably arranged outside the shell of the circuit protection device; the mounting base is provided with a through containing cavity, and the indicating device can be connected in the containing cavity in a buckling mode.

Preferably, the shape of the accommodating cavity is matched with the shape of the indicating device in the accommodating cavity.

Preferably, the inner side wall of the accommodating cavity and the corresponding position of the indicating device are respectively provided with a buckling structure which is buckled with each other.

Preferably, a mounting flange is formed on the circuit protection device housing, and the mounting base removably conceals the overload mounting flange.

Preferably, the mounting flanges are integrally formed on the outer covers at the two ends of the circuit protection device shell in a manner of extending towards the diagonal direction of one side face of the circuit protection device respectively, and the mounting flanges are respectively positioned at the two ends of the diagonal line of one side face of the circuit protection device shell.

Preferably, the bottom surface of the mounting base is provided with a sealing line, and the sealing line is attached to the outer surface of the shell of the circuit protection device.

Preferably, the indicating means is an indicator or a microswitch.

Preferably, the microswitch is a single stage or a double stage microswitch.

The mounting base of the invention can be compatible with an indicator and a microswitch. The containing cavity of the mounting base is matched with the appearance structures of the indicator and the part, located in the containing cavity, of the microswitch. During assembly, an indicator or a microswitch can be installed on the installation base according to the requirements of customers. Meanwhile, when the device is installed, only the indicator or the microswitch needs to be placed on the accommodating cavity, and then the device can be connected in a buckling mode by pressing downwards, so that the process of fixing and connecting screws can be omitted. According to the installation base, the part of the indicator and the microswitch, which is contacted with the accommodating cavity, can be standardized and customized in advance.

Drawings

Fig. 1 is a schematic view of a circuit protection device with an indicator mounted thereon.

Fig. 2 is a schematic structural diagram of a circuit protection device with a microswitch installed.

Fig. 3 is a schematic structural diagram of a mounting base, wherein a, b and c are mounting bases with different structures respectively.

Fig. 4 is a schematic structural diagram of an indicating device, wherein a and b are respectively a unipolar and bipolar micro switch, and c is an indicator.

Fig. 5 is a schematic cross-sectional view of the snap-fit connection of the mounting base to the indicating device.

Wherein: the circuit protection device comprises a circuit protection device 10, a mounting flange 11, a screw protection cover 12, a mounting base 20, an accommodating cavity 21, a clamping protrusion 22, a mounting hole 23, an indicating device 30, a microswitch base 31 and a clamping groove 32.

Detailed Description

With respect to the above technical solutions, preferred embodiments are described in detail with reference to the drawings.

Referring to fig. 1 and 2, in the circuit protection device 10 of the present invention, mounting flanges 11 are respectively formed on the end covers of the circuit protection device 10 to extend toward one side of the housing, and the two mounting flanges 11 are symmetrically distributed on the diagonal line of one side of the housing of the circuit protection device. The mounting base 20 is fixedly mounted on the mounting flange 11 by screws, and screw guards 12 are provided on the screws. The indication device 30 is mounted on the mounting base 20. The indicating means 30 is an indicator or a microswitch, fig. 1 an indicator and fig. 2 a microswitch. The micro switch can be a single-stage micro switch or a double-stage micro switch.

The mounting base 20, referring to fig. 3, includes a through receiving cavity 21, and two opposite inner sidewalls of the receiving cavity 21 are respectively provided with a locking protrusion 22. The side of the snap projection 22 away from the circuit protection device is a slope, and the side close to the circuit protection device is a plane. The mounting hole 23 is formed in the position, corresponding to the mounting flange 11, of the mounting base 20, the mounting hole 23 is located on the outer side of the accommodating cavity 21, and the mounting hole 23 is a waist-shaped hole and can be aligned with the mounting flange better due to the waist-shaped hole. When the mounting base is mounted on the periphery of the shell of the electric protection device, a space is formed between the bottom of the mounting hole at the mounting flange and the outer surface of the shell of the circuit protection device, and the mounting flange is used for accommodating. A seal line (not shown) is provided on the bottom surface of the mounting base 20, and when the mounting base 20 is mounted on the outer surface of the circuit protection device case, the mounting base 20 is attached to the outer surface of the circuit protection device case, thereby ensuring mounting stability.

The indication device 30, see fig. 4, and when being a microswitch, see fig. 4 a, b, comprises an indication device base 31 matching the shape of the accommodation cavity 21 of the mounting base 20. At the two sides of the indicating device base 31 opposite to the locking protrusions 22, locking grooves 32 are respectively formed. The indicating device selects the indicator to be a single-stage microswitch or a two-stage microswitch according to the requirement of a customer. When the indicator is an indicator, referring to a diagram c in fig. 4, the shape of the indicator is matched with the shape of the accommodating cavity of the mounting base, and the two side positions corresponding to the clamping protrusions 22 are respectively provided with clamping grooves 32. The indicating device is customized in advance, whether the indicator or the microswitch, the shape of the part of the indicating device, which is contained in the containing cavity of the installation base, is matched with the shape of the containing cavity of the installation base, and the containing cavity of the installation base and the base of the indicating device form a modular design, so that the indicating device is in a standard shape, convenient to install and manage parts, and production cost is reduced.

When the indication device 30 is mounted on the mounting base 20, referring to fig. 5, taking the indication device as an example for illustration, only pressing is needed to enable the indication device 30 to be accommodated in the accommodating cavity 21, and the slot 32 is downward along the inclined surface of the protruding portion 22, so that the protruding portion 22 enters the slot 32 and is in snap connection with the protruding portion 22, and the indication device 30 can be mounted.

In this embodiment, the locking projection is arranged on the mounting base, and the locking groove is arranged on the indicating device; the clamping protrusion can also be arranged on the indicating device, and the clamping groove is arranged on the mounting base; or, all set up the card protruding on installation base and indicating device, the one side of the circuit protection device that only sets up the protruding keeping away from of card on indicating device is the plane, and the one side of the protruding inclined plane extrusion of card on with the installation base is the inclined plane, through the extrusion, the mutual card of card protruding establishes the connection.

In order to mount and fix the mounting base and the mounting flange better, a limiting groove is formed in the position, corresponding to the mounting flange, of the mounting base, and the mounting hole 23 is located in the limiting groove. When the mounting base is mounted on the circuit protection device shell, the mounting flange is accommodated in the limiting groove in the mounting base, and then the mounting base is fixedly connected to the mounting flange through the mounting hole by a screw. Through spacing recess, can avoid the time of being of a specified duration, when the screw pine, the installation base rocks for circuit protection device.

Compared with the prior art, the invention has the beneficial effects that:

the same mounting base can be used for optionally mounting the indicator module or the microswitch module, thereby providing more choices for customers; the traditional screw mounting mode is avoided, and the modularized rapid mounting and dismounting can be realized through the buckle matching, so that the production assembly and the replacement efficiency of an application field are improved; the installation of circuit protectors of a plurality of models can be compatible, and the applicability is wider; modular design, more commonality and standardization.

Claims (8)

1. A mounting base of an indicating device of a circuit protection device is characterized in that the mounting base is detachably mounted outside a shell of the circuit protection device; the mounting base is provided with a through containing cavity, and the indicating device can be connected in the containing cavity in a buckling mode.

2. The mounting base of claim 1, wherein the receiving cavity has a shape that matches a shape of the indicating device within the receiving cavity.

3. The mounting base of claim 1, wherein the inner side wall of the receiving cavity and the indicating device are provided with a snap structure at corresponding positions, respectively, for mutual snap.

4. The mounting base of claim 3, wherein a mounting flange is provided on the circuit protection device housing, the mounting base being removably mounted to the mounting flange.

5. The mounting base of claim 4, wherein said mounting flanges are integrally formed on the outer covers at the two ends of the casing of the circuit protection device so as to extend in a diagonal direction of a side surface of the circuit protection device, and said two mounting flanges are respectively located at the two ends of the diagonal line of the side surface of the casing of the circuit protection device.

6. The mounting base of claim 4, wherein the bottom surface of the mounting base is provided with a seal line and is attached to the outer surface of the circuit protection device housing.

7. The mounting base of claim 1, wherein the indicating device is an indicator or a microswitch.

8. The mounting base of claim 7, wherein the micro-switch is a single-pole or double-pole micro-switch.

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