CN214411004U - Surge protector mounting structure - Google Patents

Abstract

The utility model relates to a surge protector mounting structure, shell and surge protector including the circuit breaker, the shell of circuit breaker includes casing and lower casing, goes up the casing and fixes with the embedded block of casing each other down, the internal first protector mounting that is equipped with of inferior valve, be equipped with second protector mounting in the upper casing, go up casing and casing block back down, first protector mounting and second protector mounting form the installation space, surge protector is held in installation space department by the centre gripping. Compared with the prior art, the utility model has the advantages of guarantee inner space, save spare part, simplify assembly steps.

Description

Surge protector mounting structure

Technical Field

The utility model belongs to the technical field of the electrical technology and specifically relates to a surge protector mounting structure is related to.

Background

Over the last decade, surge protectors have grown mature and become more widely used. With the development of electrical equipment technology, the trend of integration and miniaturization has been. Therefore, the surge protector with small volume, strong function and high performance will become a hot spot in the market. The surge protector in the existing circuit breaker is usually fixed by adopting a side-mounted rivet structure, a large number of middle plastic blocks and rivets are needed, and installation parts are more, so that the installation process is very complicated and the process is complicated. Meanwhile, the surge protector generally adopts a structure that a connecting plate is welded with a circuit board, so that the surge protector is usually large in adaptation tolerance with a shell of the circuit breaker and low in installation stability; when the wiring terminal on the connecting plate is screwed with the wiring bolt, the large unbalanced acting force is easily generated on the surge protector due to large adaptation tolerance, so that the connection part of the circuit board is damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a surge protector mounting structure for overcoming the defect that above-mentioned prior art exists.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides a surge protector mounting structure, includes the shell and the surge protector of circuit breaker, the shell of circuit breaker includes casing and lower casing, goes up casing and casing embedded block down and fixes each other, the internal first protector mounting that is equipped with of inferior valve, be equipped with the second protector mounting in the upper casing, go up casing and casing block back down, first protector mounting and second protector mounting form the installation space, surge protector is held in installation space department.

Further, surge protector includes circuit board, first wiring end plate, second wiring end plate and third wiring end plate, the third wiring end plate passes through the bolt fastening in the one end of circuit board, first wiring end plate and second wiring end plate pass through the other end of bolt fastening at the circuit board respectively.

Furthermore, all be equipped with rectangular hole on first wiring end plate, the second wiring end plate and the third wiring end plate and be used for passing the bolt.

Furthermore, a limit hole is formed in one end side wall of the upper shell, an L-shaped hanging portion is arranged at the hanging end of the first wiring end plate and the hanging end of the second wiring end plate, a horizontal plate of the hanging portion is inserted into the limit hole, and meanwhile the vertical plate of the hanging portion is attached to the side wall provided with the limit hole.

Further, a gap is formed between the first wiring end plate and the second wiring end plate, and the first protector fixing member includes a partition plate inserted into the gap to partition the first wiring end plate and the second wiring end plate.

Further, the second protector mounting includes the backup pad, and the slot is established to the centre of backup pad, first wiring end plate and second wiring end plate are fixed on the backup pad top, and the division board passes embedding slot behind the clearance.

Further, first protector mounting includes first cardboard, second protector mounting includes the second cardboard, the tip of first cardboard or second cardboard is equipped with the recess, meets the back formation installation space when the tip of first cardboard and second cardboard.

Furthermore, all be equipped with binding post on first terminal plate, the second terminal plate of working a telephone switchboard and the third terminal plate of working a telephone switchboard, binding post includes binding screw and wiring ring.

Furthermore, the upper shell is provided with a mounting hole which is positioned right above the wiring screw.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a direct joint of shell closes the fixed inside surge protector of the assembly method of lid from top to bottom, no rivet and middle plastic pellet, and inner space can be guaranteed to this kind of structure, can save spare part again, simplifies the assembly step.

2. The utility model discloses an among the surge protector, terminal plate and circuit board pass through bolted connection, compare traditional welding mode bolted connection and can make terminal plate have certain length and angle modulation surplus, make its shell of laminating the circuit breaker completely, reduce the adaptation tolerance, improve security and the stability of assembly and use.

3. The utility model discloses set up the division board in the shell, with first wiring end plate and second wiring end plate isolated each other for electric clearance and creepage distance that have the large distance between the wiring end effectively improve resistance to pressure.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic diagram of the internal structure of the present invention.

Fig. 3 is a schematic structural diagram of the surge protector.

Fig. 4 is a schematic structural view of the upper case.

Fig. 5 is a schematic cross-sectional view of the upper housing.

Fig. 6 is a schematic structural view of the lower case.

Reference numerals: 1. the shell, 11, the upper housing, 111, spacing hole, 112, the division board, 113, first cardboard, 114, the mounting hole, 12, the lower housing, 121, the backup pad, 122, the slot, 123, the second cardboard, 13, the installation space, 14, the recess, 2, surge protector, 21, first terminal plate, 22, second terminal plate, 23, third terminal plate, 24, the circuit board, 25, the bolt, 26, the portion of leaning on, 27, the clearance, 28, binding post, 281, binding screw, 282, the wiring ring.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.

As shown in fig. 1 and 2, the present embodiment provides a surge protector mounting structure including a case 1 of a circuit breaker and a surge protector 2. The shell 1 of the circuit breaker comprises an upper shell 11 and a lower shell 12, wherein the upper shell 11 and the lower shell 12 are mutually embedded and clamped and fixed. A first protector fixing part is arranged in the lower shell 12, and a second protector fixing part is arranged in the upper shell 11. When the upper case 11 and the lower case 12 are engaged with each other, the first protector holder and the second protector holder form the mounting space 13, and the surge protector 2 is held in the mounting space 13.

As shown in fig. 3, the surge protector 2 includes a circuit board 24, a first terminal plate 21, a second terminal plate 22, and a third terminal plate 23. The third terminal plate 23 is fixed to the left end of the circuit board 24 by bolts 25, and the first terminal plate 21 and the second terminal plate 22 are fixed to the right end of the circuit board 24 in parallel by bolts 25, respectively. The first, second and third terminal plates 21, 22 and 23 are provided with elongated holes for passing bolts 25. Compare traditional welding mode bolted connection and can make terminal plate have certain length and angle modulation redundancy, make its shell 1 of laminating circuit breaker completely, reduce the adaptation tolerance, improve security and stability of assembly and use.

An L-shaped abutment 26 is provided at the free ends of the first and second terminal plates 21, 22, and a gap 27 is provided between the first and second terminal plates 21, 22.

As shown in fig. 4 and 5, two limit holes 111 are provided at the right end of the upper case 11, the L-shaped engaging portions 26 of the first and second terminal plates 21 and 22 are fitted into the limit holes 111, specifically, the horizontal plate of the engaging portion 26 is inserted into the limit holes 111, and the vertical plate of the engaging portion 26 is fitted to the side wall provided with the limit holes 111. The first protector mount includes a divider plate 112 and a first catch plate 113. The partition plate 112 is inserted into the gap 27 between the first terminal plate 21 and the second terminal plate to separate the first terminal plate 21 from the second terminal plate 22, so that the terminals have a large electrical gap 27 and a large creepage distance, and the pressure resistance is effectively improved. The second protector fixing member includes a supporting plate 121 and a second clamping plate 123, and the supporting plate 121 may be overlapped with the second clamping plate 123 in this embodiment. The middle of the supporting plate 121 is provided with a slot 122, the terminal plate is fixed on the top end of the supporting plate 121, and the partition plate 112 is inserted into the slot 122 after passing through the gap 27. The second card board 123 is adapted to the first card board 113, a groove 14 is formed in the second card board 123 or the first card board 113, the first card board 113 or the second card board 123 opposite to the groove is a flat end, and an installation gap 13 is formed after the end portions of the first card board 113 and the second card board 123 are connected. Each terminal plate of the surge protector 2 is embedded in the mounting air-raid to complete fixation.

The wiring terminals 28 are disposed on the first, second and third terminal plates 21, 22 and 23, the wiring terminals 28 include a wiring screw 281 and a wiring ring 282, the wiring ring 282 is nested on the terminal plate, and the wiring screw 281 passes through the top end of the wiring ring 282. The upper housing 11 is provided with a mounting hole 114 directly above the binding screw 281, and a user can use a tool to screw the binding screw 281 through the mounting hole 114, so as to connect the wires.

In this embodiment, when the surge protector 2 is mounted, it is only necessary to insert the engaging portions 26 of the first terminal plate 21 and the second terminal plate 22 into the limiting holes 111 of the upper case 11, and then place the surge protector 2 on the respective first clamping plates 113, at which time the partition plates 112 are inserted into the gaps 27 to perform the positioning function. And finally, the lower shell 12 and the upper shell 11 are folded, and the second clamping plate 123 on the lower shell 12 is abutted against the other surface of each terminal plate part of the surge protector 2, so that the integral assembly is completed. Therefore, the rivet-free plastic block and the middle plastic block are not needed in the embodiment, the internal space can be ensured, parts can be saved, and the assembly steps are simplified.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by a person skilled in the art through logic analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention should be within the scope of protection defined by the claims.

Claims (9)

1. The utility model provides a surge protector mounting structure, its characterized in that, includes shell (1) and surge protector (2) of circuit breaker, shell (1) of circuit breaker includes casing (11) and casing (12) down, goes up casing (11) and casing (12) embedded block of each other fixed down, be equipped with first protector mounting in casing (12) down, upward be equipped with second protector mounting in casing (11), go up casing (11) and casing (12) block back down, first protector mounting and second protector mounting form installation space (13), surge protector (2) are located at installation space (13) by the centre gripping.

2. A surge protector mounting structure according to claim 1, wherein the surge protector device (2) comprises a circuit board (24), a first terminal plate (21), a second terminal plate (22), and a third terminal plate (23), the third terminal plate (23) is fixed to one end of the circuit board (24) by bolts (25), and the first terminal plate (21) and the second terminal plate (22) are fixed to the other end of the circuit board (24) by bolts (25), respectively.

3. A surge protector mounting structure according to claim 2, wherein the first terminal plate (21), the second terminal plate (22) and the third terminal plate (23) are each provided with a long hole for passing a bolt (25).

4. A surge protector mounting structure according to claim 2, wherein a limit hole (111) is provided in a side wall of one end of the upper case (11), the free ends of the first terminal plate (21) and the second terminal plate (22) are provided with L-shaped engaging portions (26), a horizontal plate of the engaging portion (26) is inserted into the limit hole (111), and a vertical plate of the engaging portion (26) abuts against a side wall provided with the limit hole (111).

5. A surge protector mounting structure according to claim 2, wherein a gap (27) is provided between the first terminal plate (21) and the second terminal plate (22), and the first protector holder comprises a partition plate (112), and the partition plate (112) is inserted into the gap (27) to partition the first terminal plate (21) and the second terminal plate (22).

6. A surge protector mounting structure according to claim 5, wherein the second protector fixing member comprises a support plate (121), a slot (122) is provided in the middle of the support plate (121), the first terminal plate (21) and the second terminal plate (22) are fixed to the top end of the support plate (121), and the partition plate (112) is inserted into the slot (122) after passing through the gap (27).

7. A surge protector mounting structure according to claim 1, wherein the first protector holder comprises a first catching plate (113), the second protector holder comprises a second catching plate (123), and ends of the first catching plate (113) or the second catching plate (123) are provided with recesses (14) to form the mounting space (13) when the ends of the first catching plate (113) and the second catching plate (123) are joined.

8. A surge protector mounting structure according to claim 2, wherein the first terminal plate (21), the second terminal plate (22) and the third terminal plate (23) are each provided with a terminal block (28), and the terminal block (28) includes a terminal screw (281) and a terminal ring (282).

9. A surge protector mounting structure according to claim 1, wherein the upper case (11) is provided with a mounting hole (114) directly above the binding screw (281).

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