CN214797251U

CN214797251U - Electric high-voltage surge protector

Info

Publication number: CN214797251U
Application number: CN202121393570.3U
Authority: CN
Inventors: 孙晓敏
Original assignee: Shanghai Leeyee Electric Co ltd
Current assignee: Shanghai Leeyee Electric Co ltd
Priority date: 2021-06-22
Filing date: 2021-06-22
Publication date: 2021-11-19
Anticipated expiration: 2031-06-22

Abstract

The utility model provides an electricity high pressure surge protector, including base and the surge protection device of being connected with the base plug-in, the surge protection device includes casing, dropout pendulum rod and welding piece, be provided with spacing piece between dropout pendulum rod and the welding piece, spacing piece sets up inside and pass the casing and peg graft with the welding piece in the casing, be provided with the take-off piece on welding piece and/or the spacing piece, the take-off piece is used for making and drops off completely between welding piece and the spacing piece, and this surge protector can overcome among the prior art because the wire drawing adhesion between dropout shell fragment and the surge protector to lead to the defect that can not drop off completely between the two.

Description

Electric high-voltage surge protector

Technical Field

The utility model relates to a surge protector technical field, concretely relates to electric high voltage surge protector.

Background

The power surge protector is a protective electric appliance which is widely used in a power line, can effectively restrain surge and can reduce equipment damage caused by surge in the power line to the maximum extent, when the surge protector generates overlarge continuous current in a power supply line, the heat of a piezoresistor in the surge protector is increased, piezoresistor overheating combustion can occur, at the moment, a thermal tripping device is required to be arranged in the surge protector, the connection between the power line and the piezoresistor is disconnected by the thermal tripping device, thereby achieving the purpose of protecting electronic equipment, a thermal tripping device in the power surge protector generally uses a low-temperature soldering tin surface to weld a tripping inserting sheet and a piezoresistor pole piece together, when tripping occurs, the low-temperature soldering tin can lead wire drawing adhesion between the tripping elastic sheet and the surge protector because of low self-solidification temperature, so that overcurrent can continuously act on the piezoresistor, causing the varistor to fire.

SUMMERY OF THE UTILITY MODEL

Therefore, the to-be-solved technical problem of the utility model lies in overcoming among the prior art because the wire drawing adhesion between dropout shell fragment and the surge protector to lead to the defect that can not thread off completely between the two, thereby provide one kind and can make the electric high voltage surge protector who threads off completely between dropout shell fragment and the surge protector.

For this, the utility model provides an electricity high pressure surge protector, include the base and with the surge protection device that base plug-in is connected, the surge protection device includes casing, dropout pendulum rod and welding piece, be provided with spacing piece between dropout pendulum rod and the welding piece, the welding piece have with the conventional state that spacing piece offsets, and with the dropout state of spacing piece separation, movable mounting has the dropout piece on the casing, the dropout piece has the welding piece is in the initial position of conventional state, and the welding piece is in during the dropout state, move extremely the welding piece with separation position between the spacing piece.

Further: the take off the fastener and set up on the welding lug, the take off fastener includes isolated piece and driving piece, isolated piece sets up on the welding lug and slides with the welding lug and be connected, when the welding lug is threaded off with spacing piece, isolated piece slides downwards under the drive of driving piece with isolated welding lug and spacing piece.

Further: the welding piece is provided with a sliding groove, the isolating piece is provided with a sliding block matched with the sliding groove, the driving piece is a tension spring, the bottom of the limiting piece is abutted against the top of the isolating piece in the conventional state, and the tension spring is in a stretching state; when the welding piece is disengaged from the limiting piece, the tension spring contracts to pull the isolating piece downwards along the length direction of the sliding groove so as to isolate the welding piece from the limiting piece.

Further: the tension spring comprises an elastic part, and a first hook part and a second hook part which are arranged at two ends of the elastic part, wherein the first hook part, the second hook part and the elastic part are fixedly connected.

Further: the isolation sheet comprises a connecting plate and an isolation plate, the connecting plate and the isolation plate vertically form an L-shaped structure, and a spring hook block connected with a tension spring is arranged above the connecting plate.

Further: the spring hook block comprises a connecting portion and an extending portion, the connecting portion is fixedly connected with the upper end face of the connecting plate, the extending portion is arranged at one end, far away from the connecting plate, of the connecting portion, the connecting portion and the extending portion are of an L-shaped structure, and the connecting portion and the extending portion are arranged in a surrounding mode to form a space for the first hook portion to hook.

Further: and a hook column for hooking the second hook part is arranged on the upper end surface of the tripping swing rod.

Further: the slider sets up terminal surface under the connecting plate, the one end that the connecting plate was kept away from to the slider still is fixed with the anticreep piece.

The utility model discloses technical scheme has following advantage:

1. the utility model provides a pair of electric high voltage surge protector, through the setting of taking off the fastener, after dropout pendulum rod and welding piece dropout, isolated piece can gliding to the position in the middle of dropout pendulum rod and the welding piece to guarantee to realize tripping completely between the two.

2. The utility model provides a pair of electricity high pressure surge protector, through tension spring's setting, after dropout pendulum rod and welding piece dropout, tension spring can utilize the elasticity of self to contract to with isolated piece along the spout draw down in order to guarantee to realize dropout completely between the two.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a surge protector;

fig. 2 is a schematic side view of the surge protector;

fig. 3 is a schematic side view of another angle of the surge protector;

fig. 4 is an exploded view of the surge protector;

FIG. 5 is a schematic view of a solder tab;

FIG. 6 is a schematic view of a weld tab;

fig. 7 is a schematic perspective view of an isolation sheet.

Description of reference numerals:

1. a base; 2. a surge protection device; 21. a housing; 22. tripping the swing rod; 23. welding the sheet; 3. a limiting sheet; 4. releasing the fastener; 41. an insulating sheet; 42. a drive member; 5. a chute; 51. a slider; 6. a tension spring; 61. an elastic portion; 62. a first hook part; 63. a second hook part; 7. a connecting plate; 71. an insulating panel; 8. a spring hook block; 81. a connecting portion; 82. an extension portion; 9. hooking the column; 91. the anticreep piece.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

Examples

This embodiment provides an electricity high voltage surge protector, including base 1 and the surge protection device 2 of being connected with base 1 plug-in, surge protection device 2 includes casing 21, dropout pendulum rod 22 and welding lug 23, be provided with spacing piece 3 between dropout pendulum rod 22 and the welding lug 23, welding lug 23 have with spacing piece 3 offsets's conventional state, and with the dropout state of spacing piece 3 separation, movable mounting has dropout piece 4 on the casing 21, dropout piece 4 has welding lug 23 is in conventional state's initial position, and welding lug 23 is in during the dropout state, move extremely welding lug 23 with separation position between the spacing piece 3.

The specific improvement is as follows: as shown in fig. 1-4: surge protector includes casing 21, dropout pendulum rod 22 and welding piece 23, dropout pendulum rod 22 top has the display block of green, under normal condition, welding piece 23 and spacing piece 3 welding (or grafting) are in the same place, it is green to show on the surge protector, be in normal operating condition promptly, when welding piece 23 and spacing piece 3 dropout, one takes off fastener 4 can slide to the position in the middle of welding piece 23 and spacing piece 3, make and to drop off completely between welding piece 23 and the spacing piece 3, so just be superior to prior art, can avoid among the prior art because the wire drawing adhesion between dropout shell fragment and the surge protector, thereby lead to the defect that can not drop off completely between the two.

On the basis of the above-described embodiment: the fastening part 4 is arranged on the welding sheet 23, the fastening part 4 comprises an isolation sheet 41 and a driving part 42, the isolation sheet 41 is arranged on the welding sheet 23 and connected with the welding sheet 23 in a sliding manner, and when the welding sheet 23 is disengaged from the limiting sheet 3, the isolation sheet 41 slides downwards under the driving of the driving part 42 to isolate the welding sheet 23 and the limiting sheet 3.

The specific improvement is as follows: as shown in fig. 4: the separating and fastening piece 4 comprises an isolation sheet 41 and a driving piece 42, when the welding sheet 23 is separated from the limiting sheet 3, the driving piece 42 can provide tension to the isolation sheet 41, so that the isolation sheet 41 can move to the position between the welding sheet 23 and the limiting sheet 3, and the welding sheet 23 and the limiting sheet 3 are completely separated from each other.

On the basis of the above-described embodiment: the welding sheet 23 is provided with a sliding groove 5, the isolating sheet 41 is provided with a sliding block 51 adapted to the sliding groove 5, and the driving member 42 is a tension spring 6, wherein in the conventional state, the bottom of the limiting sheet 3 abuts against the top of the isolating sheet 41, and the tension spring 6 is in a stretching state; when the welding piece 23 is disengaged from the limiting piece 3, the tension spring 6 contracts to pull the isolation piece 41 downwards along the length direction of the sliding chute 5 to isolate the welding piece 23 and the limiting piece 3.

The specific improvement is as follows: as shown in fig. 5 and 6: set up spout 5 on the welding piece 23, be provided with the slider 51 that is used for with 5 looks adaptations of spout on isolated piece 41, under normal condition, welding piece 23 and spacing piece 3 both welds, tension spring 6 is in by tensile state this moment, both desolders when welding piece 23 and spacing piece 3, isolated piece 41 has not slided downwards and has had the resistance, tension spring 6 shrink release elastic potential energy, the process of tension spring 6 shrink can have a pulling force to isolated piece 41, make isolated piece 41 can be along seting up direction downstream of spout 5, when isolated piece 41 removed to the most below position of spout 5, isolated piece 41 can be with welding piece 23 and spacing piece 3, make the mechanism dropout completely.

On the basis of the above-described embodiment: the tension spring 6 includes an elastic portion 61, and a first hook portion 62 and a second hook portion 63 disposed at two ends of the elastic portion 61, and the first hook portion 62, the second hook portion 63, and the elastic portion 61 are fixedly connected to each other.

The specific improvement is as follows: as shown in fig. 4: the tension spring 6 comprises an elastic part 61, and a first hook part 62 and a second hook part 63 which are arranged at two ends of the elastic part 61, wherein the first hook part 62 and the second hook part 63 are hooked on other parts, so that the tension spring 6 is in a stretching state in normal use.

On the basis of the above-described embodiment: the isolation sheet 41 comprises a connecting plate 7 and an isolation plate 71, the connecting plate 7 and the isolation plate 71 vertically form an L-shaped structure, and a spring hook block 8 connected with the tension spring 6 is arranged above the connecting plate 7.

The specific improvement is as follows: as shown in fig. 7: isolation sheet 41 includes connecting plate 7 and isolation board 71, and when isolation board 71 removed down, isolation board 71 can follow the connection of directly cutting between welding piece 23 and the spacing piece 3, avoids having the condition of adhesion between welding piece 23 and the spacing piece 3, and connecting plate 7 top sets up spring hook block 8, and spring hook block 8 supplies tension spring 6 to catch on, makes tension spring 6 and isolation sheet 41 produce the linkage relation, promptly: when the tension spring 6 contracts, the isolation sheet 41 can be pulled to move downwards.

On the basis of the above-described embodiment: the spring hook block 8 comprises a connecting portion 81 and an extending portion 82, the connecting portion 81 is fixedly connected with the upper end face of the connecting plate 7, the extending portion 82 is arranged at one end, away from the connecting plate 7, of the connecting portion 81, the connecting portion 81 and the extending portion 82 are arranged in an L-shaped structure, and the connecting portion 81 and the extending portion 82 enclose a space for the first hook portion 62 to hook.

The specific improvement is as follows: as shown in fig. 7: the spring hook block 8 includes a connecting portion 81 and an extending portion 82, a space for the first hook portion 62 to hook is formed by the extending portion 82 of the connecting portion 81, and the connecting portion 81 and the extending portion 82 are of an inverted L-shaped structure, so that the first hook portion 62 can be effectively prevented from being disengaged.

On the basis of the above-described embodiment: the upper end surface of the tripping swing rod 22 is provided with a hook column 9 for the second hook part 63 to hook.

The specific improvement is as follows: as shown in fig. 3 and 4: through the setting of colluding post 9, can effectually make second portion 63 collude and establish on colluding post 9.

On the basis of the above-described embodiment: the slider 51 is arranged on the lower end face of the connecting plate 7, and an anti-falling block 91 is further fixed at one end of the slider 51, which is far away from the connecting plate 7.

The specific improvement is as follows: through the setting of slider 51, can effectually avoid insulating piece 41 to drop at the in-process that removes.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. An electric high-voltage surge protector comprises a base (1) and a surge protection device (2) which is connected with the base (1) in a plug-in manner, characterized in that the surge protection device (2) comprises a shell (21), a tripping swing rod (22) and a welding sheet (23), a limiting sheet (3) is arranged between the tripping swing rod (22) and the welding sheet (23), the welding sheet (23) has a normal state abutting against the limiting sheet (3), and a tripping state separated from the limiting sheet (3), a tripping piece (4) is movably arranged on the shell (21), the release member (4) has an initial position in which the welding tab (23) is in the normal state, and when the welding sheet (23) is in the tripping state, the welding sheet moves to a blocking position between the welding sheet (23) and the limiting sheet (3).

2. An electrical high voltage surge protector according to claim 1, wherein: the take off fastener (4) set up on welding piece (23), take off fastener (4) including isolated piece (41) and driving piece (42), isolated piece (41) set up on welding piece (23) and slide with welding piece (23) and be connected, when welding piece (23) and spacing piece (3) dropout, isolated piece (41) slides downwards under the drive of driving piece (42) with isolated welding piece (23) and spacing piece (3).

3. An electrical high voltage surge protector according to claim 2, wherein: the welding sheet (23) is provided with a sliding groove (5), the isolating sheet (41) is provided with a sliding block (51) matched with the sliding groove (5), the driving piece (42) is a tension spring (6), the bottom of the limiting sheet (3) is abutted against the top of the isolating sheet (41) in the conventional state, and the tension spring (6) is in a stretching state; when the welding sheet (23) and the limiting sheet (3) are disengaged, the tension spring (6) contracts to pull the isolation sheet (41) downwards along the length direction of the sliding groove (5) so as to isolate the welding sheet (23) and the limiting sheet (3).

4. An electrical high voltage surge protector according to claim 3, wherein: the tension spring (6) comprises an elastic part (61), a first hook part (62) and a second hook part (63) which are arranged at two ends of the elastic part (61), and the first hook part (62), the second hook part (63) and the elastic part (61) are fixedly connected.

5. An electrical high voltage surge protector according to any of claims 2-4, wherein: isolation piece (41) are including connecting plate (7) and isolation board (71), connecting plate (7) and isolation board (71) constitute "L" type structure mutually perpendicularly, connecting plate (7) top is provided with spring collude piece (8) that are used for being connected with tension spring (6).

6. An electrical high voltage surge protector according to claim 5, wherein: the spring hook block (8) comprises a connecting portion (81) and an extending portion (82), the connecting portion (81) is fixedly connected with the upper end face of the connecting plate (7), the extending portion (82) is arranged at one end, away from the connecting plate (7), of the connecting portion (81), the connecting portion (81) and the extending portion (82) are arranged in an L-shaped structure, and the connecting portion (81) and the extending portion (82) enclose a space for forming a hook for the first hook portion (62).

7. An electrical high voltage surge protector according to claim 6, wherein: and a hook column (9) for hooking the second hook part (63) is arranged on the upper end surface of the tripping swing rod (22).

8. An electrical high voltage surge protector according to claim 3, wherein: the slider (51) is arranged on the lower end face of the connecting plate (7), and an anti-falling block (91) is further fixed at one end, far away from the connecting plate (7), of the slider (51).