CN207994619U - Surge protector - Google Patents

Abstract

A kind of Surge Protector, the shell formed including pedestal and case, it is equipped with voltage sensitive element and stored energy mechanism in the housing, voltage sensitive element is equipped with electrode slice, pedestal is equipped with the pillar coordinated with stored energy mechanism, stored energy mechanism is fixed on pillar, one end is connect by electric conductor with electrode slice, the other end is connect with fixing piece, case is equipped with is correspondingly arranged the locking piece limited to stored energy mechanism with pillar, case can drive locking piece that lock face is against to the top side of torsional spring part when being assembled on pedestal, torsional spring part is locked on pillar, independent part need not additionally be arranged to lock stored energy mechanism, the process for not only eliminating one of assembly, and also simplify the structure of Surge Protector, reduce the cost of production.

Description

Surge Protector

Technical field

The utility model is related to Low Voltage Electrical Apparatus, more particularly to a kind of Surge Protector.

Background technology

Surge Protector generally comprises voltage sensitive element, release device, instruction device etc., and release device includes bullet Spring and electric conductor, wherein electric conductor are welded by welding the electrode slice of item and voltage sensitive element, when passing through surge protector When voltage is more than its rated value, electrode slice fever makes welding item melt, the electric conductor of release device under the action of the spring with electricity Pole piece detaches, but existing Surge Protector inner space is limited, needed in assembly by additional locking piece to spring into Row locking, not only installation bothers, but also cost is higher.In the Surge Protector of twin voltage sensing element, generally there are two Spring, the difficulty bigger not only assembled, but also be easy to interfere between two springs.

Invention content

The purpose of the utility model is to overcome the defects of the prior art, provide a kind of wave simple in structure, reliability is high Surge protector.

To achieve the above object, the utility model uses following technical solution：

A kind of Surge Protector, includes the shell of pedestal 110 and the composition of case 120, is equipped with voltage-sensitive member in the housing Part and stored energy mechanism, voltage sensitive element are equipped with electrode slice, it is characterised in that：Pedestal 110 is equipped with to be coordinated with stored energy mechanism Pillar 111, the stored energy mechanism includes the torsional spring part being socketed on pillar 111, and one end of torsional spring part is connect with electric conductor, separately One end is connect with fixing piece 130, and case 120 is equipped with is correspondingly arranged the locking piece 112 limited to stored energy mechanism with pillar 111, Stored energy mechanism is locked on pillar 111 by locking piece 112 when case 120 is assembled with pedestal 110.

Optionally, the locking piece 112 includes the lock hole 113 coordinated with pillar 111, and locking piece 112 is in lock hole 113 Opening surrounding formed and offset the lock face 114 of cooperation with torsional spring part.

Optionally, the stored energy mechanism includes clamping device 220 and torsional spring part, and clamping device 220 includes matching with pillar 111 The hollow shaft 221 of conjunction and the clamping piece for being oppositely arranged on 221 both ends of hollow shaft, torsional spring part are sleeved on the outside of hollow shaft 211, The middle part of hollow shaft 221 is equipped with the through-core hole 222 mating with pillar 111.

Optionally, including at least two torsional spring parts, the isolation board 226 of annular is equipped between two adjacent torsional spring parts, The inner ring of isolation board 226 coordinates with hollow shaft 221.

Optionally, the clamping piece includes the grip block 223 and compact heap 224 for being separately positioned on 221 both ends of hollow shaft, folder It holds block 223 to be fixedly connected with hollow shaft 221, compact heap 224 is threadedly coupled with hollow shaft 221, compact heap 224 and locking piece 112 Cooperation, grip block 223 are equipped with opening corresponding with through-core hole 222.

Optionally, the compact heap 224 circularizes, and internal thread 225b is equipped on the side wall of 224 inside of compact heap, The side wall in the outside of hollow shaft 221 is equipped with the external screw thread 225a coordinated with internal thread 225b on compact heap 224, locking piece 112 at Cylinder coordinates with 224 inner ring ring wall of compact heap, or coordinates at the outer shroud ring wall of tubular and compact heap 224.

Optionally, the compact heap 224 is at T-shaped comprising sets threaded screw rod and is arranged in screw rod one end Nut, screw rod are connect with the sidewall thread of 221 inside of hollow shaft, and locking piece 112 is at tubular and the nut surrounding of compact heap 224 Side wall coordinates or locking piece 112 is at projection shape, and on the nut top of compact heap 224, setting coordinates with locking piece 112 Groove.

Optionally, the fixing piece 130 is L-shaped comprising the fixation transverse slat 131 being arranged along the length direction of shell, with And the fixation stringer board 132 of the short transverse setting along shell, one end of fixed transverse slat 131 are connect with one end of fixed stringer board 132, The mounting hole mating with stored energy mechanism is equipped in fixed transverse slat 131, the side wall of shell is equipped with fixed transverse slat 131 separately The mating transverse slat fixing groove 1352 in one end, the bottom wall of shell are equipped with and mating vertical of fixed 132 other end of stringer board Plate fixing groove 1362.

Optionally, it is corresponded on the side wall of shell and is equipped with mounting blocks 1353 in the bottom side of voltage sensitive element, in mounting blocks 1353 bottom end is equipped with the first mounting plate 1354 being arranged along body height direction, the right side in 1354 bottom end of the first mounting plate Equipped with the second mounting plate 1355 being arranged along shell length direction, the top side of 1355 right end of the second mounting plate be equipped with it is upward The opposite mounting jaw 1356 of square mounting blocks 1353, mounting jaw 1356 form evacuation with the interval of mounting blocks 1353 and fix transverse slat 131 Space, the bottom side of mounting blocks 1353, the right side of the first mounting plate 1354, the top side of the second mounting plate 1355 and mounting jaw 1356 Left side forms transverse slat fixing groove 1352.

Optionally, the fixation stringer board 132 is equipped with normal direction towards stored energy mechanism side with fixed transverse slat 131 in junction Notch inclined-plane 133, the opening of mounting hole is arranged on notch inclined-plane 133；It is oppositely arranged there are two being set on the bottom wall of shell Stringer board fixing groove is surrounded on the inside of third mounting plate 1363, the insides of two third mounting plates 1363 and 110 bottom wall of pedestal 1362, case fixing piece corresponding with third mounting plate 1363, third mounting plate are equipped on the inside of 120 bottom wall of case 1363 coordinate with 132 bottom end of fixed stringer board, and case fixing piece coordinates with 132 top of fixed stringer board；The voltage sensitive element is set It sets at the middle part of pedestal 110, pedestal 110 corresponds to is respectively equipped with the first limit at the left and right both ends of the top of voltage sensitive element Part 115 and the second locating part 116, the first locating part 115 and the second locating part 116 respectively with voltage sensitive element top side both ends Apex angle coordinates；Transverse slat fixing piece 1351 includes the first limit coordinated respectively with the bottom side side of voltage sensitive element and left side side Position plate 117 and the second limiting plate 118, the first limiting plate 117 is connected with the second limiting plate 118, and junction and voltage-sensitive Left end apex angle cooperation below element, the bottom side of the first limiting plate 117 are equipped with mounting blocks 1353；Voltage sensitive element includes opposite The first voltage sensing element 211a and second voltage sensing element 211b of setting, second voltage sensing element 211b setting are the The back side of one voltage sensitive element 211a, on the inside of the first voltage sensing element 211a and second voltage sensing element 211b in Portion is respectively equipped with first electrode sheet 212a and second electrode sheet 212b, stored energy mechanism setting in first voltage sensing element 211a and Between the lower section and the bottom wall of shell of second voltage sensing element 211b, torsional spring part includes matching with first voltage sensing element 211a The the first torsional spring 213a closed, and with the second torsional spring 213b, the first torsional spring 213a of second voltage sensing element 211b cooperation and Second torsional spring 213b coaxial arrangements, first is respectively equipped in one end that the first torsional spring 213a and the second torsional spring 213b are located remotely from each other The outer outer stabilizer blade 215b of stabilizer blade 215a and second, the first outer outer stabilizer blade 215b of stabilizer blade 215a and second are connect with fixing piece 130, One end close to each other first torsional spring 213a and the second torsional spring 213b is respectively equipped in first stabilizer blade in stabilizer blade 216a and second 216b, stabilizer blade 216b reaches first voltage sensing element 211a and second voltage sensing element in stabilizer blade 216a and second in first It, She You not the first electric conductor 214a and the second electric conductor on stabilizer blade 216b in stabilizer blade 216a and second in first between 211b 214b, the first electric conductor 214a and the second electric conductor 214b are connect with connecting terminal, and respectively by welding item and the first electricity Pole piece 212a and second electrode sheet 212b welding.

The Surge Protector of the utility model, case 120 can drive locking piece 112 will when being assembled on pedestal 110 Lock face 114 is against the top side of torsional spring part, and torsional spring part is locked on pillar 111, and independent part pair need not additionally be arranged Stored energy mechanism is locked, the process for not only eliminating one of assembly, but also also simplifies the structure of Surge Protector, is reduced The cost of production.It is fixed in addition, torsional spring part is first assembled into the hollow shaft 221 of clamping device 220, torsional spring part and voltage-sensitive Element and fixing piece 130 assemble after connecting in pedestal 110 as a whole, reduce assembly difficulty, improve efficiency of assembling, and And first torsional spring 213a and the second torsional spring 213b when being packed into pedestal 110 be in energy storage state, pass through the limit of clamping device 220 Position effect can prevent the first torsional spring 213a and the second torsional spring 213b deflects and displacement, avoid and voltage sensitive element and consolidate The connection for determining part 130 generates loosening, improves the reliability of product.In addition, clamping device 220 is between two adjacent torsional spring parts Isolation board 226 equipped with annular can prevent from generating interference between torsional spring part.In addition, by setting independent fixing piece 130, Coordinate with the fixing groove on shell, ensures that the assembling structure of fixing piece is stablized so that torsional spring part and voltage sensitive element and fixation Part 130 assembles after connecting in pedestal 110 as a whole, reduces assembly difficulty, improves efficiency of assembling.

Description of the drawings

Fig. 1 is the structural schematic diagram of the utility model shell；

Fig. 2 is the sectional view in the directions A-A in the utility model Fig. 1；

Fig. 3 is the internal structure schematic diagram of the utility model pedestal；

Fig. 4 is the structural schematic diagram that fixing piece is omitted in the utility model Fig. 3；

Fig. 5 is the internal structure schematic diagram of the utility model cover；

Fig. 6 is the cooperation schematic diagram of the utility model clamping device and torsional spring part；

Fig. 7 is the exploded view of the utility model clamping device；

Fig. 8 is the structural schematic diagram of the utility model fixing piece.

Specific implementation mode

Below in conjunction with the embodiment that attached drawing 1 to 8 provides, the specific reality of the Surge Protector of the utility model is further illustrated Apply mode.The Surge Protector of the utility model is not limited to the following description.

As shown in Figs. 1-3, the Surge Protector of the utility model includes that pedestal 110 and setting are positive in pedestal 110 The shell that case 120 forms, and setting voltage sensitive element in the housing, release device, instruction device (are not shown in figure Go out) and two groups of connecting terminal (not shown)s, voltage sensitive element is equipped with the electrode slice being connect with release device, release dress It sets including stored energy mechanism and electric conductor, stored energy mechanism includes clamping device 220 and the torsional spring that is fixed on clamping device 220 One end of part, torsional spring part is connect with electric conductor, and the other end is connect with fixing piece 130, is equipped with and fixing piece 130 in pedestal 110 The fixed mechanism 140 of cooperation, voltage sensitive element access circuit, electric conductor and another group of connecting terminal by one group of connecting terminal Connection, and being welded by welding item and electrode slice, independent fixing piece 130 fixes torsional spring, stored energy mechanism, Stored energy mechanism can be locked in energy storage state by electric conductor and fixing piece 130 when being fixed on precalculated position, welding item is low melting point Fusible material, generally use scolding tin, in voltage overrate, electrode slice fever makes welding item melt, and releases to energy storage The locking of mechanism makes stored energy mechanism release energy band electrical conductor and electrode slice and separates, and open-circuit line realizes protective effect.

With reference to Fig. 2-3, the voltage sensitive element includes the electricity of the first voltage sensing element 211a being oppositely arranged and second Pressure-sensitive sensing unit 211b, second voltage sensing element 211b are arranged at the back side of first voltage sensing element 211a, in the first electricity Middle part on the inside of pressure-sensitive sensing unit 211a and second voltage sensing element 211b is respectively equipped with the electricity of first electrode sheet 212a and second Pole piece 212b, stored energy mechanism are arranged in the lower section and shell of first voltage sensing element 211a and second voltage sensing element 211b Bottom wall between, stored energy mechanism includes clamping device 220 and the torsional spring part being fixed on clamping device 220, and torsional spring part includes With the first torsional spring 213a of first voltage sensing element 211a cooperation, and the with the 211b cooperations of second voltage sensing element Two torsional spring 213b, the first torsional spring 213a and the second torsional spring 213b coaxial arrangements, in the first torsional spring 213a and the second torsional spring 213b The one end being located remotely from each other is respectively equipped with the first outer outer stabilizer blade 215b of stabilizer blade 215a and second, is propped up outside the first outer stabilizer blade 215a and second Foot 215b is connect with fixing piece 130, and is respectively equipped in the one end close to each other the first torsional spring 213a and the second torsional spring 213b Stabilizer blade 216b in stabilizer blade 216a and second in one, stabilizer blade 216b reaches the sensitive member of first voltage in stabilizer blade 216a and second in first Between part 211a and second voltage sensing element 211b, electric conductor includes the first electric conductor 214a and the second electric conductor 214b, the One electric conductor 214a and the second electric conductor 214b is separately positioned in first in stabilizer blade 216a and second on stabilizer blade 216b, and first Electric conductor 214a and the second electric conductor 214b pass through the welding item of low melting point and first electrode sheet 212a and second electrode sheet respectively 212b welding cooperations.It is of course also possible to which a voltage sensitive element is only arranged, the scope of protection of the utility model is belonged to.

With reference to Fig. 4-5,110 side wall of the pedestal corresponds to be equipped on the right side of fixed mechanism 140 to be coordinated with stored energy mechanism Pillar 111, case 120 are equipped with the locking piece 112 being correspondingly arranged with pillar 111, and locking piece 112 is at hollow tubular structure And with 120 integrated injection molding of case, the lock hole 113 coordinated with pillar 111, locking are equipped at the middle part of locking piece 112 Part 112 forms offseting with torsional spring part for annular in the surrounding of 113 opening of lock hole and coordinates lock face 114.In Surge Protector Assembling process in, case 120 can drive locking piece 112 that lock face 114 is against torsional spring part when being assembled on pedestal 110 Top side, torsional spring part is locked on pillar 111, when equipped with multiple torsional spring parts, lock face 114 can be against the top torsional spring Top side, independent part need not be additionally set, stored energy mechanism is locked, the process for not only eliminating one of assembly, and And the structure of Surge Protector is also simplified, reduce the cost of production.

A kind of embodiment of clamping device 220 is shown with reference to Fig. 7-8, clamping device 220 include hollow shaft 221 and It is oppositely arranged on the clamping piece at 221 both ends of hollow shaft, hollow shaft 221 is equipped with and branch at cylindrical shape in the inside of hollow shaft 221 The through-core hole 222 that column 111 coordinates, hollow shaft 221 are removably plugged on by through-core hole 222 on pillar 111, the first torsional spring 213a and the second torsional spring 213b and hollow shaft 221 be coaxially disposed and be sleeved on the outside of hollow shaft 221, two clamping pieces it Between, the first torsional spring 213a and the second torsional spring 213b are fixed on the middle part of hollow shaft 221 by the clamping piece at 221 both ends of hollow shaft.

In the assembling process of Surge Protector, torsional spring part is first assembled into the hollow shaft 221 of clamping device 220 fixed Good, torsional spring part assembles after being connected with voltage sensitive element and fixing piece 130 in pedestal 110 as a whole, especially sets There are two when torsional spring part, first torsional spring 213a and the second torsional spring 213b positioning can be convenient in shell by clamping device 220 The first torsional spring 213a and the second torsional spring 213b are connected on fixing piece 130 in vitro, and the first torsional spring 213a and the second torsional spring 213b is in energy storage state when being packed into pedestal 110, and the first torsional spring 213a can be prevented by the position-limiting action of clamping device 220 It deflects with the second torsional spring 213b and displacement, avoids generating loosening with the connection of voltage sensitive element and fixing piece 130, both Assembly difficulty can be reduced, improve efficiency of assembling, and the reliability of product can be improved.

It is of course also possible to be not provided with clamping device 220, the first torsional spring 213a and the second torsional spring 213b can also be directly set with On the pillar 111 of pedestal 110, moreover, clamping device 220 can not only fix two torsional spring parts, but also can only fix one or Multiple torsional spring parts can play the role of reducing assembly difficulty, but the assembly difficulty of two torsional spring parts is turned round much larger than one Assembly difficulty when spring part, clamping device 220 can play better effect when fixing two torsional spring parts.

Specifically, the clamping piece includes grip block 223 and compact heap 224, grip block 223 is arranged in hollow shaft 221 One end simultaneously with hollow shaft 221 be integrally formed, on grip block 223 be equipped with opening corresponding with through-core hole 222, compact heap 224 with The other end of hollow shaft 221 is threadedly coupled, and locking piece 112 is engaged with compact heap 224 clamping device 220 being pressed on bottom On the pillar 111 of seat 110.It is of course also possible to the both ends of hollow shaft 221 be respectively provided with compact heap 224 with replace grip block 223, Belong to the scope of protection of the utility model.

As a kind of embodiment of compact heap 224, compact heap 224 can be nut or the part of other annulars, press The ring wall of tight 224 inner ring of block is equipped with internal thread 225b, be equipped on the side wall in 221 outside of hollow shaft on compact heap 224 in The external screw thread 225a of screw thread 225b cooperations, compact heap 224 is not only simple in structure, but also can be changed compact heap 224 and be screwed into sky The stroke of mandrel 221, it can coordinate with 224 inner ring ring wall of compact heap to facilitate pressing force of the adjustment to torsional spring part, locking piece 112 Cylinder, can also be the tubular column coordinated with 224 outer shroud ring wall of compact heap.

As the another embodiment of compact heap 224, compact heap 224 can be screw or other T-shaped rod-shaped zero Part (not shown) comprising set threaded screw rod and the nut in screw rod one end is set, be equipped on the top of nut The groove coordinated with tools such as screwdrivers is equipped with the internal thread coordinated with screw rod, screw energy on the side wall of 221 inside of hollow shaft It is enough screwed into hollow shaft 221 and nut is against fixation of the end realization of hollow shaft 221 to torsional spring part, the compression of present embodiment Block 224 has the characteristics that simple in structure, connection is reliable, equally can be by changing the Traffic control system for being screwed into hollow shaft 221 to turning round The pressing force of spring part, locking piece 112 can be the cross boss with the matching grooves on nut top, can also be and nut four The tubular column of Zhou Peihe.Certainly, grip block 223 can not also be used and is threadedly coupled, and can also use the knot of buckle or clip Structure (not shown), and tapping screw may be used in compact heap 224, does not add in advance on the side wall of 221 inside of hollow shaft Work screw thread, belongs to the scope of protection of the utility model.

Further, the middle part in 221 outside of the hollow shaft corresponds between the first torsional spring 213a and the second torsional spring 213b Equipped with isolation board 226, isolation board 226 circularizes plate, the annular surfaces of both sides respectively with the first torsional spring 213a and the second torsional spring 213b is opposite, prevents the first torsional spring 213a and the second torsional spring 213b from interfering, and inner ring can be sleeved on sky by isolation board 226 The slide over side walls cooperation in 221 outside of mandrel can also be threaded, isolation board 226 in the middle part of the side wall in 221 outside of hollow shaft Inner ring be threadedly coupled with hollow shaft 221 isolation board 226 to be fixed in hollow shaft 221, it is of course also possible to be arranged three Or more torsional spring part, isolation board 226, isolation board 226 and torsional spring part is respectively set between two adjacent torsional spring parts It is coaxially disposed with hollow shaft 221, belongs to the scope of protection of the utility model.

Fig. 8 shows that the structural schematic diagram of fixing piece 130, Fig. 4 show that the structural schematic diagram of fixed mechanism 140, Fig. 3 show The matching relationship of fixing piece 130 and fixed mechanism 140 is gone out, with reference to Fig. 3, the fixing piece 130 is L-shaped to be arranged in voltage-sensitive The lower section of element, the left side of stored energy mechanism comprising fixed transverse slat 131 connected vertically and fixed stringer board 132, fixed transverse slat 131 are arranged along the length direction of shell, and fixed stringer board 132 is arranged along the short transverse of shell, and two are equipped in fixed transverse slat 131 It is a mating with the first torsional spring 213a and second the upper first outer outer stabilizer blade 215b of stabilizer blade 215a and second of torsional spring 213b respectively Mounting hole (not shown), the bottom end of fixed stringer board 132 and the bottom end of shell coordinate, the right end on top and fixed transverse slat 131 It is connected, is equipped with notch inclined-plane 133 of the normal direction towards stored energy mechanism side in junction, the opening of mounting hole is arranged on notch inclined-plane On 133, notch inclined-plane 133 can play the role of guiding, convenient for the first outer outer stabilizer blade 215b of stabilizer blade 215a and second to be inserted into Into mounting hole, the left end of fixed transverse slat 131 is equipped with the fixed jaw 134 that shell bottom end downwards extends；Due to fixing piece 130 It needs to connect with torsional spring part, after varistor and torsional spring part loading shell, torsional spring part is in confined state, leans on fixing piece 130 press torsional spring part with varistor, so fixing piece 130 must a stable state, L-shaped fixing piece 130 and shell Cooperation is more firm, provides reliable support for torsional spring part, while can be detachable with respect to shell, reduces the difficulty of assembly.

Fixed mechanism 140 includes transverse slat fixing piece 1351 and stringer board fixing piece 1361, and pedestal 110 is corresponded in voltage-sensitive member The bottom side of part is equipped with transverse slat fixing piece 1351, is equipped in transverse slat fixing piece 1351 mating with the left end of fixed transverse slat 131 Transverse slat fixing groove 1352, transverse slat fixing piece 1351 can play while coordinating fixing piece 130 limits voltage sensitive element Effect；The bottom end of pedestal 110 is equipped with stringer board fixing piece 1361, is equipped in stringer board fixing piece 1361 and fixed stringer board 132 The fixing piece 130 of the mating stringer board fixing groove 1362 in bottom end, l-shaped structure setting has intensity height, structurally stable spy Point, and transverse slat fixing groove 1352 and stringer board fixing groove 1362 and fixing piece 130 are mating, make fixing piece 130 removably Mounted on stored energy mechanism in shell and fixing piece 130 can be assembled into one outside shell after refill and be fitted in shell, there is knot Structure is simple, convenient for assembling and connect reliable feature.Certainly, fixed mechanism 140 can also pass through the company of buckle with fixing piece 130 It connects, belongs to the scope of protection of the utility model.

Show that a kind of specific implementation mode of fixed mechanism 140, voltage sensitive element are arranged in pedestal 110 with reference to Fig. 4 Middle part, pedestal 110 corresponds to is respectively equipped with the first locating part 115 and second limit at the left and right both ends of the top of voltage sensitive element Position part 116, the first locating part 115 and the second locating part 116 coordinate with the apex angle at voltage sensitive element top side both ends respectively；

The transverse slat fixing piece 1351 of fixed mechanism 140 include respectively with the bottom side side of voltage sensitive element and left side side The first limiting plate 117 and the second limiting plate 118 of cooperation, the first limiting plate 117 is connected with the second limiting plate 118, and connects Place coordinates with the left end apex angle below voltage sensitive element；

It is corresponded on the side wall of pedestal 110 and is equipped with mounting blocks 1353 below the first limiting plate 117, in mounting blocks 1353 Bottom end is equipped with the first mounting plate 1354 being arranged along body height direction, and edge is equipped on the right side of 1354 bottom end of the first mounting plate Second mounting plate 1355 of shell length direction setting is equipped with and mounting blocks upward in the top side of 1355 right end of the second mounting plate 1353 opposite mounting jaws 1356, mounting jaw 1356 form the space that evacuation fixes transverse slat 131, peace with the interval of mounting blocks 1353 Fill the bottom side of block 1353, the right side of the first mounting plate 1354, the second mounting plate 1355 top side and mounting jaw 1356 left group At transverse slat fixing groove 1352, naturally it is also possible to it is not provided with the first limiting plate 117, it is directly quick by the top side and voltage of mounting blocks 1353 Sensing unit coordinates；

The stringer board fixing piece 1361 of fixed mechanism 140 includes that two be arranged on the inside of 110 bottom wall of pedestal set relatively Stringer board fixing groove is surrounded on the inside of the third mounting plate 1363 set, the insides of two third mounting plates 1363 and 110 bottom wall of pedestal 1362, the first locating part 115, the second locating part 116, the first limiting plate 117, the second limiting plate 118 and fixed mechanism 140 with 110 integrated injection molding of pedestal, the thickness of transverse slat fixing piece 1351 are more than the thickness of stringer board fixing piece 1361, transverse slat fixing piece Offset cooperation on the inside of 1351 top side and 120 side wall of case, is equipped with and third mounting plate on the inside of 120 bottom wall of case 1363 corresponding case fixing pieces, third mounting plate 1363 and the back side of fixed 132 low side of stringer board coordinate, case fixing piece with it is solid Determine the front cooperation of 132 bottom end of stringer board.

It, cannot the above content is specific preferred embodiment further detailed description of the utility model is combined Assert that the specific implementation of the utility model is confined to these explanations.For the ordinary skill of the utility model technical field For personnel, without departing from the concept of the premise utility, a number of simple deductions or replacements can also be made, should all regard To belong to the scope of protection of the utility model.

Claims (10)

1. a kind of Surge Protector includes the shell of pedestal (110) and case (120) composition, is equipped with voltage-sensitive in the housing Element and stored energy mechanism, voltage sensitive element are equipped with electrode slice, it is characterised in that：Pedestal (110) is equipped with and stored energy mechanism The pillar (111) of cooperation, the stored energy mechanism include the torsional spring part being socketed on pillar (111), one end and the conduction of torsional spring part Body connects, and the other end is connect with fixing piece (130), and case (120) is equipped with to be correspondingly arranged with pillar (111) and limit stored energy mechanism The locking piece (112) of position, stored energy mechanism is locked in pillar by locking piece (112) when case (120) is assembled with pedestal (110) (111) on.

2. Surge Protector according to claim 1, it is characterised in that：The locking piece (112) includes and pillar (111) The lock hole (113) of cooperation, locking piece (112) form the lock for the cooperation that offsets with torsional spring part in the opening surrounding of lock hole (113) Determine face (114).

3. Surge Protector according to claim 1, it is characterised in that：The stored energy mechanism includes clamping device (220) With torsional spring part, clamping device (220) includes the hollow shaft (221) coordinated with pillar (111) and is oppositely arranged on hollow shaft (221) clamping piece at both ends, torsional spring part are sleeved on the outside of hollow shaft (211), and the middle part of hollow shaft (221) is equipped with and pillar (111) mating through-core hole (222).

4. Surge Protector according to claim 3, it is characterised in that：Including at least two torsional spring parts, adjacent two The isolation board (226) of annular is equipped between a torsional spring part, inner ring and the hollow shaft (221) of isolation board (226) coordinate.

5. Surge Protector according to claim 3, it is characterised in that：The clamping piece includes being separately positioned on hollow shaft (221) grip block (223) and compact heap (224) at both ends, grip block (223) are fixedly connected with hollow shaft (221), compact heap (224) it is threadedly coupled with hollow shaft (221), compact heap (224) coordinates with locking piece (112), and grip block (223) is equipped with and leads to The corresponding opening in heart hole (222).

6. Surge Protector according to claim 5, it is characterised in that：The compact heap (224) circularizes, in compact heap (224) side wall on the inside of is equipped with internal thread (225b), is equipped with and compact heap (224) on the side wall on the outside of hollow shaft (221) The external screw thread (225a) of upper internal thread (225b) cooperation, locking piece (112) are matched at cylinder and compact heap (224) inner ring ring wall It closes, or coordinates at the outer shroud ring wall of tubular and compact heap (224).

7. Surge Protector according to claim 5, it is characterised in that：The compact heap (224) is at T-shaped comprising If threaded screw rod and nut in screw rod one end is arranged, screw rod is connect with the sidewall thread on the inside of hollow shaft (221), is locked Determine side wall cooperation or locking piece (112) of the part (112) at tubular and the nut surrounding of compact heap (224) into projection shape, The groove of the setting of nut top and locking piece (112) cooperation of compact heap (224).

8. according to any Surge Protectors of claim 1-7, it is characterised in that：The fixing piece (130) is L-shaped, Include along shell length direction be arranged fixation transverse slat (131), and along shell short transverse be arranged fixation stringer board (132), one end of fixed transverse slat (131) is connect with one end of fixed stringer board (132), is equipped with and storage in fixed transverse slat (131) The mating mounting hole of energy mechanism, the side wall of shell are equipped with the transverse slat mating with fixed transverse slat (131) other end and consolidate Determine slot (1352), the bottom wall of shell is equipped with the stringer board fixing groove (1362) mating with fixed stringer board (132) other end.

9. Surge Protector according to claim 8, it is characterised in that：It is corresponded in voltage sensitive element on the side wall of shell Bottom side be equipped with mounting blocks (1353), be equipped with the first mounting plate for being arranged along body height direction in the bottom end of mounting blocks (1353) (1354), the second mounting plate (1355) being arranged along shell length direction is equipped on the right side of the first mounting plate (1354) bottom end, It is equipped with the mounting jaw (1356) opposite with mounting blocks upward (1353), mounting jaw in the top side of the second mounting plate (1355) right end (1356) space of the fixed transverse slat (131) of evacuation, the bottom side of mounting blocks (1353), the first peace are formed with mounting blocks (1353) interval The left side on the right side of loading board (1354), the top side of the second mounting plate (1355) and mounting jaw (1356) forms transverse slat fixing groove (1352)。

10. Surge Protector according to claim 9, it is characterised in that：The fixation stringer board (132) and fixed transverse slat (131) it is equipped with notch inclined-plane (133) of the normal direction towards stored energy mechanism side in junction, the opening setting of mounting hole is oblique in notch On face (133)；The third mounting plate (1363) being oppositely arranged there are two being set on the bottom wall of shell, two third mounting plates (1363) Inside and pedestal (110) bottom wall on the inside of surround stringer board fixing groove (1362), be equipped on the inside of case (120) bottom wall with The corresponding case fixing piece of third mounting plate (1363), third mounting plate (1363) coordinate with fixed stringer board (132) bottom end, case Fixing piece coordinates with fixed stringer board (132) top；The voltage sensitive element is arranged in the middle part of pedestal (110), pedestal (110) It is corresponding to be respectively equipped with the first locating part (115) and the second locating part (116) at the left and right both ends of the top of voltage sensitive element, First locating part (115) and the second locating part (116) coordinate with the apex angle at voltage sensitive element top side both ends respectively；Transverse slat is fixed Part (1351) includes the first limiting plate (117) and second of the bottom side side with voltage sensitive element and the cooperation of left side side respectively Limiting plate (118), the first limiting plate (117) are connected with the second limiting plate (118), and junction and voltage sensitive element lower section The cooperation of left end apex angle, the bottom side of the first limiting plate (117) is equipped with mounting blocks (1353)；Voltage sensitive element includes being oppositely arranged First voltage sensing element (211a) and second voltage sensing element (211b), second voltage sensing element (211b) setting exists The back side of first voltage sensing element (211a), in first voltage sensing element (211a) and second voltage sensing element (211b) First electrode sheet (212a) and second electrode sheet (212b) are respectively equipped in the middle part of inside, stored energy mechanism setting is quick in first voltage Between sensing unit (211a) and the lower section and the bottom wall of shell of second voltage sensing element (211b), torsional spring part includes and the first electricity The first torsional spring (213a) of pressure-sensitive sensing unit (211a) cooperation, and turned round with the second of second voltage sensing element (211b) cooperation Spring (213b), the first torsional spring (213a) and the second torsional spring (213b) coaxial arrangement, in the first torsional spring (213a) and the second torsional spring One end that (213b) is located remotely from each other is respectively equipped with the first outer stabilizer blade (215a) and the second outer stabilizer blade (215b), the first outer stabilizer blade (215a) and the second outer stabilizer blade (215b) connect with fixing piece (130), in the first torsional spring (213a) and the second torsional spring (213b) One end close to each other is respectively equipped with stabilizer blade (216b) in stabilizer blade in first (216a) and second, stabilizer blade (216a) and in first Stabilizer blade (216b) reaches between first voltage sensing element (211a) and second voltage sensing element (211b) in two, branch in first In foot (216a) and second on stabilizer blade (216b) not She You the first electric conductor (214a) and the second electric conductor (214b), first is conductive Body (214a) and the second electric conductor (214b) are connect with connecting terminal, and respectively by welding item and first electrode sheet (212a) It is welded with second electrode sheet (212b).