Surge protector

Abstract

The utility model discloses a surge protector, which comprises a base and a surge protection module, the base comprises a base and an upper cover, a conductive terminal assembly is arranged in the base, a terminal seat and a bayonet socket are arranged on the wiring side of the base, a limiting rib is arranged at the position, right opposite to the terminal seat, of the upper cover, and a plugging port is formed in the position, right opposite to the bayonet socket, of the upper cover; the conductive terminal assembly comprises a wiring frame, a wiring board and a wire pressing screw, the wiring board is arranged in the wiring frame in a penetrating mode, the wire pressing screw penetrates through the wiring board to be connected with the wiring frame, and a power connection port is formed in the wiring board; the plug seat is provided with a plug groove, one side of the plug groove is provided with a limiting block, the two sides of the wiring board in the horizontal direction abut against the side wall of the upper cover and the limiting block respectively, the two sides of the wiring board in the vertical direction abut against the limiting rib and the terminal seat respectively, and the plug port, the power connection port and the plug groove are coaxially arranged. According to the utility model, the wiring board is limited in the vertical direction and the horizontal direction through the limiting ribs and the inner wall of the upper cover and the terminal seat and the limiting block of the base, so that the power connection port of the wiring board is ensured to always correspond to the plugging port and the plugging groove, the assembly is accurate, and the use experience of a user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of low-voltage electrical appliances, in particular to a surge protector. Background Art

[0002] Surge protector, also known as surge protector, abbreviated as SPD, is an electronic device that provides safety protection for various electronic equipment, instruments and communication lines. When a spike current or voltage suddenly occurs in an electrical circuit or communication line due to external interference, the surge protector can conduct and shunt in a very short time, thereby preventing the surge from damaging other equipment in the circuit.

[0003] A surge protector generally includes a base and a surge module pluggably connected to the base. The base is provided with conductive terminals electrically connected to the surge module and a micro switch assembly for detecting the action of the surge module. The conductive terminals on the wiring side of the existing surge protector have the problem of inaccurate assembly, which makes it impossible to quickly and smoothly plug and unplug the surge module, resulting in a poor user experience. Utility Model Content

[0004] In order to solve the above problems, the technical solution provided by the utility model is:

[0005] A surge protector comprises a base and a surge protection module, wherein the base is provided with an installation cavity, and the surge protection module is connected in the installation cavity; the base comprises a base and an upper cover, a conductive terminal assembly is arranged in the base, a terminal seat and a plug seat are arranged on the wiring side of the base, a limiting rib is arranged at a position of the upper cover facing the terminal seat, and a plug interface is arranged at a position of the upper cover facing the plug seat; the conductive terminal assembly comprises a wiring frame, a wiring board and a crimping screw, the wiring board is inserted in the wiring frame, the crimping screw passes through the wiring board and is connected to the wiring frame, and an electrical connection port is arranged on the wiring board; a plug slot is arranged on the plug seat, a limiting block is arranged on one side of the plug slot, both sides of the wiring board in the horizontal direction are respectively against the side wall of the upper cover and the limiting block, and both sides of the wiring board in the vertical direction are respectively against the limiting rib and the terminal seat, and the plug interface, the electrical connection port and the plug slot are coaxially arranged.

[0006] The utility model is further configured such that the wiring board includes an upper bridge arm, a side connecting arm, a lower bridge arm and a plug-in arm in sequence, the lower bridge arm is inserted into the wiring frame, and the wire pressing screw passes through the upper bridge arm and is connected to the wiring frame.

[0007] The utility model is further configured such that support blocks are respectively provided at both ends of the side connecting arm close to the terminal seat, the terminal seat includes support plates on both sides, a terminal cavity is provided between the support plates, the support blocks are pressed against the end faces of the support plates, and the wiring frame is arranged in the terminal cavity.

[0008] The utility model is further configured that a conductor interface is provided at a position of the upper cover directly opposite to the terminal cavity.

[0009] The utility model is further configured such that the plug arm is against the plug socket, and the power connection port is arranged on the plug arm.

[0010] The utility model is further configured that the top surface of the upper bridge arm and the bottom surface of the lower bridge arm are respectively provided with transverse grooves.

[0011] The utility model is further configured that a wiring hole with internal threads is provided on the end surface of the wiring frame close to the upper bridge arm.

[0012] The utility model is further configured that the outer wall of the base is provided with a positioning card block, the outer wall of the upper cover is provided with a positioning card hole, and the positioning card block is connected in the positioning card hole.

[0013] The utility model is further configured such that a positioning groove is provided on the upper cover facing the installation cavity, positioning pieces are provided on both sides of the surge protection module, the positioning pieces are matched with the positioning groove, and a plug pin is provided at the bottom of the surge protection module.

[0014] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects:

[0015] The surge protector of this technical solution limits the terminal block in the vertical and horizontal directions through the limiting ribs and inner wall of the upper cover, the terminal seat and the limiting block of the base, to ensure that the power connection port of the terminal block always corresponds to the plug interface and the plug slot, and the assembly is precise. When the surge protection module is connected to the base, the pins of the surge module can be smoothly inserted into the plug interface and the power connection port until they are inserted into the plug slot, thereby improving the user experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a three-dimensional diagram of a surge protector according to an embodiment of the utility model.

[0017] Figure 2 This is an exploded view of a surge protector according to an embodiment of the utility model.

[0018] Figure 3 This is an exploded view of the base of an embodiment of the utility model.

[0019] Figure 4 It is a three-dimensional diagram of the base of an embodiment of the utility model.

[0020] Figure 5 It is a partial cross-sectional view of a surge protector according to an embodiment of the utility model.

[0021] Figure 6It is an exploded view of the conductive terminal assembly according to an embodiment of the present utility model. DETAILED DESCRIPTION

[0022] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings and embodiments.

[0023] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0024] In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense. For example, it can be a fixed connection, an integral connection, or a detachable connection; it can be a mechanical connection or an electrical connection, or it can be the internal connection of two components; it can be a direct connection, or it can be indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms can be understood according to the specific circumstances.

[0025] Combined with Figure 1 To Attachment Figure 6 The technical solution of the utility model is a surge protector, including a base and a surge protection module 300, the base is provided with an installation cavity 210, and the surge protection module 300 is connected in the installation cavity 210; the base includes a base 100 and an upper cover 200, a conductive terminal assembly 400 is arranged in the base, a terminal seat 110 and a plug seat 120 are arranged on the wiring side of the base 100, a limiting rib 220 is arranged at a position of the upper cover 200 facing the terminal seat 110, and a plug interface 230 is arranged at a position of the upper cover 200 facing the plug seat 120; the conductive terminal assembly 400 includes a wiring frame 410, a wiring board 420 and a wire crimping Screw 430, the terminal block 420 is inserted into the terminal frame 410, the crimping screw 430 passes through the terminal block 420 and is connected to the terminal frame 410, and the terminal block 420 is provided with an electrical port 425; the socket 120 is provided with a plug slot 122, and a limit block 121 is provided on one side of the plug slot 122, and the horizontal sides of the terminal block 420 are respectively against the side walls of the upper cover 200 and the limit block 121, and the vertical sides of the terminal block 420 are respectively against the limit rib 220 and the terminal seat 110, and the plug port 230, the electrical port 425 and the plug slot 122 are coaxially arranged.

[0026] In the above embodiment, the plug port 230 , the power port 425 and the plug slot 122 are coaxially arranged, that is, the three openings are arranged opposite to each other, so that the surge protection module 300 can be smoothly plugged into the base.

[0027] In the above embodiments, the surge protector is 1P, 2P, 3P or 4P, that is, at least one surge protection module 300 is installed in the installation cavity 210 .

[0028] In the above embodiment, the limiting ribs 220 are distributed on the inner wall of the upper cover 200 , and the upper cover 200 is provided with a wiring installation hole at a position directly opposite to the wire pressing screw 430 .

[0029] The surge protector of the utility model limits the terminal block 420 in the vertical and horizontal directions through the limiting ribs 220 of the upper cover and its inner wall, the terminal seat 110 of the base 100 and the limiting block 121, so as to ensure that the power port 425 of the terminal block 420 always corresponds to the plug interface 230 and the plug slot 122, and the assembly is precise. When the surge protection module 300 is connected to the base, the pin 320 of the surge module 300 can be smoothly inserted into the plug interface 230 and the power port 425 in turn until it is inserted into the plug slot 122, thereby improving the user experience.

[0030] In this embodiment, the terminal block 420 includes an upper bridge arm 421, a side arm 422, a lower bridge arm 423 and a plug arm 424 in sequence. The lower bridge arm 423 is inserted into the wiring frame 410, and the wire pressing screw 430 passes through the upper bridge arm 421 to be connected to the wiring frame 410.

[0031] In the above embodiment, as shown in the attached Figure 6 As shown, the structure of the conductive terminal assembly 400 allows the conductive terminal assembly 400 to have a sufficiently large contact area with the wire during wiring, thereby ensuring the reliability of the electrical connection.

[0032] In this embodiment, support blocks 4221 are respectively provided at both ends of the side arm 422 close to the terminal seat 110. The terminal seat 110 includes support plates 111 on both sides. A terminal cavity 112 is provided between the support plates 111. The support block 4221 is pressed against the end surface of the support plate 111, and the wiring frame 410 is arranged in the terminal cavity 112.

[0033] In this embodiment, a conductor interface 240 is provided at a position of the upper cover 200 facing the terminal cavity 112 .

[0034] In this embodiment, the plug arm 424 abuts against the socket 120 , and the power port 425 is disposed on the plug arm 424 .

[0035] In this embodiment, a top surface of the upper bridge arm 421 and a bottom surface of the lower bridge arm 423 are respectively provided with a transverse groove 4211 and a transverse groove 4231 .

[0036] In this embodiment, a wiring hole 411 with an internal thread is formed on the end surface of the wiring frame 410 close to the upper bridge arm 421 .

[0037] In this embodiment, a positioning block 130 is disposed on the outer wall of the base 100 , a positioning hole 250 is opened on the outer wall of the upper cover 200 , and the positioning block 130 is connected in the positioning hole 250 .

[0038] In this embodiment, the upper cover 200 is provided with a positioning groove 211 opposite to the installation cavity 210, and positioning plates 310 are respectively provided on both sides of the surge protection module 300. The positioning plates 310 are adapted to the positioning groove 211, and a pin 320 is provided at the bottom of the surge protection module 300.

[0039] The above schematically describes the present invention and its implementation methods, which are not restrictive. The drawings show only one implementation method of the present invention, and the actual structure is not limited thereto. Therefore, if ordinary technicians in this field are inspired by it and design structural methods and embodiments similar to the technical solution without creativity without departing from the purpose of the present invention, they should all fall within the protection scope of the present invention.

Claims

1. A surge protector, characterized in that: The invention comprises a base and a surge protection module, wherein the base is provided with an installation cavity, and the surge protection module is connected in the installation cavity; the base comprises a base and an upper cover, wherein a conductive terminal assembly is arranged in the base, and a terminal seat and a plug seat are arranged on the wiring side of the base, and a limiting rib is arranged at a position of the upper cover facing the terminal seat, and a plug interface is arranged at a position of the upper cover facing the plug seat; the conductive terminal assembly comprises a wiring frame, a wiring board and a crimping screw, the wiring board is inserted in the wiring frame, the crimping screw passes through the wiring board and is connected to the wiring frame, and an electrical connection port is arranged on the wiring board; a plug slot is arranged on the plug seat, and a limiting block is arranged on one side of the plug slot, and both sides of the wiring board in the horizontal direction respectively abut against the side wall of the upper cover and the limiting block, and both sides of the wiring board in the vertical direction respectively abut against the limiting rib and the terminal seat, and the plug interface, the electrical connection port and the plug slot are coaxially arranged.

2. A surge protector according to claim 1, characterized in that: The wiring board comprises an upper bridge arm, a side connecting arm, a lower bridge arm and a plug-in arm in sequence, the lower bridge arm is inserted into the wiring frame, and the pressing screw passes through the upper bridge arm and is connected to the wiring frame.

3. A surge protector according to claim 2, characterized in that: The two ends of the side connecting arm close to the terminal seat are respectively provided with support blocks, the terminal seat includes support plates on both sides, a terminal cavity is provided between the support plates, the support blocks are pressed against the end faces of the support plates, and the wiring frame is arranged in the terminal cavity.

4. A surge protector according to claim 3, characterized in that: A conductor interface is provided at a position of the upper cover facing the terminal cavity.

5. A surge protector according to claim 2, characterized in that: The plug arm is against the plug socket, and the power port is arranged on the plug arm.

6. A surge protector according to claim 2, characterized in that: The top surface of the upper bridge arm and the bottom surface of the lower bridge arm are respectively provided with transverse grooves.

7. A surge protector according to claim 2, characterized in that: The end surface of the wiring frame close to the upper bridge arm is provided with a wiring hole with internal threads.

8. A surge protector according to any one of claims 1 to 7, characterized in that: A positioning block is disposed on the outer wall of the base, a positioning hole is formed on the outer wall of the upper cover, and the positioning block is connected in the positioning hole.

9. A surge protector according to any one of claims 1 to 7, characterized in that: A positioning groove is provided on the upper cover facing the installation cavity, positioning pieces are provided on both sides of the surge protection module, the positioning pieces are matched with the positioning groove, and a plug pin is provided at the bottom of the surge protection module.

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