WO2022247389A1 - Plug-in surge protector - Google Patents

Abstract

A plug-in surge protector, comprising a housing (1), a surge protection module (2) and a crank member (3), wherein the surge protection module (2) is arranged in the housing (1), and the housing (1) is provided with a snap-fit hole (11); the crank member (3) is rotatably arranged at the housing (1) by means of a rotating shaft (33), and the crank member (3) is provided with a pressing portion (32) and a protruding snap-fit portion (31); the snap-fit portion (31) protrudes from the inside of the snap-fit hole (11), so that the housing (1) is snap-fitted at a preset position; and after being pressed, the pressing portion (32) drives the snap-fit portion (31) to retract into the housing (1) from the snap-fit hole (11), so that the housing (1) is unlocked. The surge protector is provided with the snap-fit hole (11) and the crank member (3), such that after the protector is plugged into an apparatus, the housing (1) is snap-fitted into the apparatus by means of the snap-fit portion (31) so as to prevent the apparatus from loosening and falling off; and when the protector is to be pulled out, the pressing portion (32) is pressed to drive the snap-fit portion (31) to retract into the housing (1) from the snap-fit hole (11), such that the protector is unlocked completely, which is easy and convenient.

Description

A plug-in surge protector

Cross References to Related Applications

This disclosure claims the priority of a Chinese patent application with application number 202121183732.0 and titled "A Plug-in Surge Protector" filed with the China Patent Office on May 28, 2021, the entire contents of which are incorporated by reference in this disclosure .

technical field

The present disclosure relates to the technical field of surge protectors, in particular to a plug-in surge protector.

Background technique

Surge protector, also called lightning protector, when a peak current or voltage suddenly occurs in the electrical circuit or communication line due to external interference, the surge protector can conduct the shunt in a very short time, thereby avoiding the impact of the surge on the Damage to other equipment in the circuit. The plug-in surge protector is generally inserted into the insertion hole of the device, and then connected to the circuit to protect it against surges. The existing surge protector has no locking parts. After being inserted into the device, the surge protector is easy to loosen and then fall off, which will easily cause the protector to fail to protect the device after falling off, causing the device to be damaged by instantaneous large current or high voltage damage, and the surge protector is also vulnerable to damage due to impact after being dropped.

overview

Based on this, it is necessary to provide a plug-in surge protector for the problem that the existing plug-in surge protector is easy to loosen and fall off.

A plug-in surge protector, comprising: a casing, a surge protection module, and a shaft handle; the surge protection module is arranged in the casing, and a buckle hole is opened on the casing; the shaft The handle is rotatably arranged at the housing through a rotating shaft, and the handle is provided with a pressing part and a raised buckle part; the buckle part protrudes from the buckle hole, and then the The housing is clamped at a preset position; after the pressing part is pressed, the buckling part is driven to retract into the housing from the buckling hole, thereby unlocking the housing.

Wherein, further, the housing is provided with a terminal hole; the terminal of the surge protection module is arranged at the terminal hole, and the surge protection module protects the circuit connected to the terminal. surge protection.

Wherein, in order to conveniently pry the shaft part, so that pressing the pressing plate is more labor-saving, the buckle part is arranged at the first end of the shaft part, and the pressing part is arranged at the first end of the shaft part. Two ends, a through hole is provided between the first end and the second end of the handle member, and the rotating shaft passes through the through hole to rotatably set the handle part in the housing.

Wherein, in order to enable the pressing part to automatically rebound, the buckle part can automatically clamp the plug-in surge protector in the device socket, and the plug-in surge protector also includes a reset elastic member, and the reset elastic member is compatible with the plug-in surge protector. The shaft handle is connected; after the pressing part is pressed, the reset elastic member provides the pressing part with reset resilience.

Wherein, the return elastic member has a high fatigue limit to ensure that it has sufficient plasticity and toughness, the return elastic member is a torsion spring, the torsion spring is fixed on the rotating shaft, and one end of the torsion spring abuts on the On the buckle part, the other end of the torsion spring abuts against the pressing part, and after the pressing part is pressed, the torsion spring provides a return elastic force for the pressing part.

Wherein, the return elastic member is a spring, and the spring is connected to the handle member; after the press part is pressed, the spring provides the return elastic force for the press part.

Further, the spring is a tension spring, and the two ends of the tension spring are respectively fixedly connected with the pressing part and the housing; after the pressing part is pressed, the tension spring is stretched to form the pressing part Provide return resilience.

Further, the spring is a compression spring, and the two ends of the compression spring are in contact with the pressing part and the housing respectively; after the pressing part is pressed, the compression spring is squeezed to form the pressing part Provide return resilience.

Wherein, in order to be able to hold the plug-in surge protector and facilitate its insertion and removal, the front end of the housing is provided with a plug-in handle, and the plug-in handle is provided with a movable hole, and the pressing part is movably arranged on the at the active hole.

Wherein, in order to facilitate the connection of the plug-in surge protector to the positive and negative poles of the circuit, and facilitate the timely exchange of signals of the plug-in surge protector, the terminal hole is arranged at the rear end of the housing; The terminal hole is arranged at the rear end of the shell; the terminal includes an electrode terminal connected with the electrode connecting wire and a signal terminal connected with the signal connecting wire.

Wherein, in order to check the status of the surge protection module when the device is inserted, the front end of the housing is provided with a viewing window made of transparent material, and the surge protection module is provided with a window for displaying the status of the surge protection module. The indicating part, the indicating part can be viewed at the viewing window.

In this disclosure, a buckle hole is added to the shell of the surge protector, and a shaft handle that can rotate around the rotation axis is provided. After the protector is inserted into the device, the buckle part snaps the shell into the device, avoiding The device is loose and falls off, which protects the device and can be protected by the protector at any time, avoiding the accidental fall-off and damage of the protector; when the protector is to be pulled out, the buckle part is retracted from the buckle hole to the inside of the shell by pressing the pressing part to complete The unlocking of the protector is simple and convenient.

The above description is only an overview of the technical solution of the present disclosure. In order to better understand the technical means of the present disclosure, it can be implemented according to the contents of the description, and in order to make the above and other purposes, features and advantages of the present disclosure more obvious and understandable , the specific embodiments of the present disclosure are enumerated below.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or related technologies, the following will briefly introduce the drawings that need to be used in the descriptions of the embodiments or related technologies. Obviously, the drawings in the following description are the For some disclosed embodiments, those skilled in the art can also obtain other drawings based on these drawings without any creative work.

FIG. 1 is an overall schematic diagram of an embodiment of a plug-in surge protector of the present disclosure after being plugged into an interface;

2 is a schematic circuit diagram of an embodiment of the plug-in surge protector of the present disclosure;

3 is an overall schematic diagram of an embodiment of the plug-in surge protector of the present disclosure;

Fig. 4 is a schematic diagram of the internal structure of Fig. 3;

Fig. 5 is a schematic structural view of the shaft handle of Fig. 3;

FIG. 6 is a schematic structural diagram of the medium surge protection module in FIG. 3;

Fig. 7 is a schematic diagram of the internal structure of the first embodiment of the plug-in surge protector of the present disclosure;

Fig. 8 is a schematic diagram of the internal structure of the second embodiment of the plug-in surge protector of the present disclosure; and

Fig. 9 is a schematic diagram of the internal structure of the third embodiment of the plug-in surge protector of the present disclosure.

In the accompanying drawings, the list of parts represented by each label is as follows:

1. Shell; 11. Buckle hole; 12. Viewing window; 13. Plug handle; 14. Terminal hole; 2. Surge protection module; 21. Indication part; 22. Signal terminal; 23. V+ terminal; 24. V-end; 25. PE end; 3. Shaft handle; 31. Buckle part; 32. Press part; 33. Rotation shaft; 4. Torsion spring; 5. Extension spring; 6. Compression spring.

specific embodiment

In order to make the above objects, features and advantages of the present disclosure more comprehensible, the specific implementation manners of the present disclosure will be clearly and completely described below in conjunction with the accompanying drawings. Apparently, the specific details described below are only some embodiments of the present disclosure, and the present disclosure can also be implemented in many other embodiments different from those described here. Based on the embodiments in the present disclosure, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present disclosure.

It should be noted that when an element is referred to as being “fixed” to another element, it can be directly on the other element or there can also be an intervening element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for purposes of illustration only and are not intended to represent the only embodiments.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs. The terms used herein in the description of the present disclosure are for the purpose of describing specific embodiments only, and are not intended to limit the present disclosure.

In one embodiment, please refer to Fig. 1 , Fig. 2 , Fig. 3 , Fig. 4 and Fig. 5 , a plug-in surge protector includes: a housing 1, a surge protection module 2, and a shaft handle 3 The surge protection module 2 is set in the shell 1, and the shell 1 has a buckle hole 11; the shaft handle 3 is rotated and arranged at the shell 1 through a rotating shaft 33, and the shaft handle 3 is provided with a pressing part 32 and The raised buckle part 31; the buckle part 31 protrudes from the buckle hole 11, and then snaps the shell 1 to the preset position; after the pressing part 32 is pressed, the buckle part 31 is driven to shrink from the buckle hole 11 Back into the casing 1, and then unlock the casing 1.

In this disclosure, a buckle hole 11 is added to the shell 1 of the surge protector, and a shaft handle 3 that can rotate around the rotating shaft 33 is provided. After the protector is inserted into the device, the buckle part 31 snaps the shell 1 into place. In the device, it prevents the device from loosening and falling off, protects the device from being protected by the protector at any time, and avoids the accidental fall-off and damage of the protector; when the protector is to be pulled out, the buckle part 31 is driven from the buckle by pressing the pressing part 32 The hole 11 is retracted to the inside of the housing 1 to complete the unlocking of the protector, which is simple and convenient.

In an embodiment of the present disclosure, a terminal hole 14 is opened on the housing 1; the terminal of the surge protection module 2 is arranged at the terminal hole 14, and the surge protection module 2 protects the circuit connected to the terminal. surge protection.

It should be noted that, in this embodiment, the surge protection module 2 is realized by an onboard surge protector device as described in the patent document with the publication number CN212277919U. Of course, it can also be realized by other structures and types of surge protection modules, which are not limited by the description in this embodiment.

On the basis of this embodiment, in order to conveniently pry the shaft part 3 to make pressing the pressing plate more labor-saving, the buckle part 31 is arranged at the first end of the shaft part 3, and the pressing part 32 is arranged at the second end of the shaft part 3 Two ends, a through hole is provided between the first end and the second end of the handle member 3 , and the rotating shaft 33 passes through the through hole to rotatably set the handle part in the housing 1 . The shaft handle 3 can also be rotatably connected to the housing 1 in other ways, such as being clamped by two fulcrums, the form of which is not limited by the description in this embodiment.

Further, in order to enable the pressing part 32 to rebound automatically, the buckle part 31 can automatically clamp the plug-in surge protector in the device socket. The shank part 3 is connected; after the pressing part 32 is pressed, the reset elastic part provides the pressing part 32 with a reset elastic force.

Referring to Fig. 7, in the first embodiment, in order to make the return elastic member have a high fatigue limit and ensure that it has sufficient plasticity and toughness, the return elastic member is a torsion spring 4, and the torsion spring 4 is fixed on the rotating shaft 33, One end of the torsion spring 4 abuts against the buckle portion 31 , and the other end of the torsion spring 4 abuts against the pressing portion 32 , and the torsion spring 4 provides the pressing portion 32 with a restoring force after the pressing portion 32 is pressed.

Referring to Fig. 8, in the second embodiment, the spring is a tension spring 5, and the two ends of the tension spring 5 are respectively fixedly connected with the pressing part 32 and the housing 1; after the pressing part 32 is pressed, the tension spring 5 is stretched as The pressing portion 32 provides a reset resilience.

Referring to Fig. 9, in the third embodiment, the spring is a compression spring 6, and the two ends of the compression spring 6 abut against the pressing part 32 and the housing 1 respectively; after the pressing part 32 is pressed, the compression spring 6 is squeezed to form The pressing portion 32 provides a reset resilience.

On the basis of this embodiment, further, in order to be able to hold the plug-in surge protector by hand and facilitate its insertion and extraction, the front end of the housing 1 is provided with a plug-in handle 13, and a movable hole is provided on the plug-in handle 13, which can be pressed The part 32 is movably arranged at the movable hole. Of course, the plug-in surge protector may not be provided with the plug-in handle 13, and the leaky front end may be used as a handle; or the position of the plug-in handle 13 may also be other positions, and its form is not limited by this embodiment. , as long as it can be used as a handle.

It can be understood that, in this embodiment, the front end and the rear end of the housing are two opposite ends, the plug handle 13 is disposed at the front end of the housing, and the terminal hole 14 is disposed at the rear end of the housing.

Referring to Figure 1, Figure 2 and Figure 3, in order to facilitate the connection of the plug-in surge protector to the positive and negative poles of the circuit, and to facilitate the timely exchange of signals between the plug-in surge protector, the terminal hole 14 is provided in the shell 1; the terminal hole 14 is set at the rear end of the shell 1; the terminal includes electrode terminals connected to the electrode connecting wires and signal terminals 22 connected to the signal connecting wires. In this embodiment, the receiving end includes a signal terminal 22, a V+ terminal 23, a V- terminal 24, and a PE terminal 25. Of course, the terminals can be changed according to the needs of the equipment, and are not limited by the description in this embodiment.

Referring to FIG. 6 , in order to check the status of the surge protection module 2 when the device is plugged in, and grasp the real-time situation in time. The front end of the housing 1 is provided with a viewing window 12 made of transparent material, and the surge protection module 2 is provided with an indicator 21 for displaying the status of the surge protection module 2 , and the indicator 21 can be viewed at the viewing window 12 .

The present disclosure can effectively prevent the protector from falling off, protect the device, and protect the protector; at the same time, multiple ports are set to clamp the corresponding interface connection of the device, and a viewing window 12 is added to the device to grasp the device dynamics in real time.

The technical features of the above embodiments can be combined arbitrarily. To make the description concise, all possible combinations of the technical features in the above embodiments are not described. However, as long as there is no contradiction in the combination of these technical features, they should be It is considered to be within the range described in this specification.

The above examples only express several implementations of the present disclosure, and the descriptions thereof are more specific and detailed, but should not be construed as limiting the scope of the utility model patent. It should be noted that those skilled in the art can make several modifications, substitutions and improvements without departing from the concept of the present disclosure, and these should fall within the protection scope of the present disclosure. Therefore, the scope of protection of the disclosed patent should be determined by the claims.

Claims (10)

A plug-in surge protector, characterized in that it includes: a casing, a surge protection module, and a shaft handle; the surge protection module is arranged in the casing, and a buckle hole is opened on the casing ; The shaft handle is rotated and installed at the housing through a rotating shaft, and the shaft handle is provided with a pressing part and a raised buckle part; the buckle part protrudes from the buckle hole , and then clamp the housing at a preset position; after the pressing part is pressed, the buckling part is driven to retract into the housing from the buckling hole, thereby unlocking the housing. The plug-in surge protector according to claim 1, wherein a terminal hole is opened on the housing; the terminal of the surge protection module is arranged at the terminal hole, and the surge protector is connected to the terminal hole. The surge protection module provides anti-surge protection for the circuit connected to the terminal. The plug-in surge protector according to claim 1 or 2, wherein the buckle part is arranged at the first end of the handle part, and the pressing part is arranged at the second end of the handle part Two ends, a through hole is provided between the first end and the second end of the handle member, and the rotating shaft passes through the through hole to rotatably set the handle part in the housing. The plug-in surge protector according to claim 3, further comprising a return elastic member connected to the shaft handle; after the pressing part is pressed, the return elastic member Provide reset resilience force for the pressing part. The plug-in surge protector according to claim 4, wherein the reset elastic member is a torsion spring, the torsion spring is fixed on the rotating shaft, and one end of the torsion spring abuts against the On the buckle part, the other end of the torsion spring abuts against the pressing part, and after the pressing part is pressed, the torsion spring provides a return elastic force for the pressing part. The plug-in surge protector according to claim 4, wherein the return elastic member is a spring, and the spring is connected to the handle member; after the pressing part is pressed, the spring is the The pressing part provides reset resilience. The plug-in surge protector according to claim 6, wherein the spring is a tension spring, and the two ends of the tension spring are respectively fixedly connected to the pressing part and the housing; the pressing part is pressed Finally, the tension spring is stretched to provide a reset resilience force for the pressing part. The plug-in surge protector according to claim 6, wherein the spring is a compression spring, and the two ends of the compression spring respectively abut against the pressing part and the housing; the pressing part is pressed Finally, the compression spring provides a reset resilience force for the pressing part after being squeezed. The plug-in surge protector according to claim 1 or 2, wherein the front end of the housing is provided with a plug-in handle, the plug-in handle is provided with a movable hole, and the pressing part is movably arranged at the movable hole; the terminal hole is arranged at the rear end of the housing; the terminal includes an electrode terminal connected to an electrode connection line and a signal terminal connected to a signal connection line. The plug-in surge protector according to claim 1, wherein the front end of the housing is provided with a viewing window made of transparent material, and the surge protection module is provided with a display window for displaying the surge protection module. The indication part of the state, the indication part can be viewed at the viewing window.

Images