CN105938779B - A kind of high-voltage switch gear - Google Patents

A kind of high-voltage switch gear Download PDF

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Publication number
CN105938779B
CN105938779B CN201610506821.1A CN201610506821A CN105938779B CN 105938779 B CN105938779 B CN 105938779B CN 201610506821 A CN201610506821 A CN 201610506821A CN 105938779 B CN105938779 B CN 105938779B
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CN
China
Prior art keywords
inserted sheet
shell
statement
installation
federally sponsored
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CN201610506821.1A
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CN105938779A (en
Inventor
陈登科
林凯
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Zhejiang Hongchang Electrical Appliance Technology Co., Ltd.
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JINHUA HONGCHANG ELECTRICAL EQUIPMENT CO Ltd
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Priority to CN201610506821.1A priority Critical patent/CN105938779B/en
Publication of CN105938779A publication Critical patent/CN105938779A/en
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Publication of CN105938779B publication Critical patent/CN105938779B/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00Switches operated by change of a physical condition
    • H01H35/24Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/34Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow actuated by diaphragm

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  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)

Abstract

The invention discloses a kind of high-voltage switch gears, the high-voltage switch gear includes shell, installation cavity is equipped in shell, diaphragm is set in installation cavity, STATEMENT OF FEDERALLY SPONSORED is slidably fitted in shell, pressure spring has been abutted between STATEMENT OF FEDERALLY SPONSORED and shell, diaphragm is linked by STATEMENT OF FEDERALLY SPONSORED and pressure spring, and it is additionally provided in installation cavity by STATEMENT OF FEDERALLY SPONSORED driving and connection or the switch for cutting off circuit, switch includes: the first inserted sheet being separately mounted on shell, second inserted sheet and third inserted sheet, wherein, first inserted sheet has in the intermediate reed between diaphragm and STATEMENT OF FEDERALLY SPONSORED, springs in middle on piece has the linkage hole passed through for STATEMENT OF FEDERALLY SPONSORED;Second inserted sheet has circuit communication portion;Third inserted sheet has circuitry cuts portion;The free end of intermediate reed is between circuit communication portion and circuitry cuts portion and has the circuit switching part for being driven by STATEMENT OF FEDERALLY SPONSORED and being in contact respectively with circuitry cuts portion or circuit communication portion.The differential movement of switch is determined that homogeneity of product is high by the spacing in circuit communication portion and circuitry cuts portion.

Description

A kind of high-voltage switch gear
Technical field
The present invention relates to a kind of switches, and in particular to a kind of high-voltage switch gear.
Background technique
Existing high-voltage switch gear mainly acquires the pressure in pipeline using the linkage of diaphragm and microswitch, to carry out electricity Road switching, limitation pressure.
The structure of existing high-voltage switch gear is generally as depicted in figs. 1 and 2, the mounting base 902 including being fixedly connected and installation lid 901, wherein pushed down in mounting base 902 equipped with fluid cavity 9021 and the installation cavity 9022 being connected with fluid cavity, pressing plate 906 904 periphery of diaphragm, is fixed on its periphery in installation cavity 9022, and diaphragm is usually silica gel material, and diaphragm periphery is played sealing and made With high-pressure fluid cannot be by diaphragm, and middle part can deformation occurs according to Fluid pressure for diaphragm;It is then equipped with and film in installation lid 901 The microswitch 903 that piece is linked, microswitch have a linkage portion 9031 and a contact.High-voltage switch gear further includes one A pressure spring 905 in compressive state, spring one end are resisted against between linkage portion 9031 and installation lid 901.
High-pressure fluid enters the fluid cavity 9021 of mounting base, by 9023 inlet membrane of channel lower section, when high-pressure fluid Pressure is greater than trigger value, and diaphragm pushes linkage portion to overcome the spring force of pressure spring mobile towards installation lid direction.Work as microswitch Linkage portion touch the contact of microswitch, switch disconnects.
In the prior art, the differential movement of high-voltage switch gear is determined by the differential movement of microswitch, the differential row of microswitch Journey differs greatly, the requirement of pressure difference needed for not being able to satisfy high-voltage switch gear, and cannot be guaranteed the consistency of product;Also, due to Microswitch and pressure spring are sealingly disposed between mounting base and installation lid, the pressure needed for needing to adjust high-voltage switch gear When poor, microswitch or pressure spring could be replaced after the fixing screws between mounting base and installation lid need to be unclamped, is not only replaced Process is fairly time consuming, laborious;And after plastic spiral nail hole assembles tapping repeatedly, it is also easy sliding teeth.
Summary of the invention
The present invention provides a kind of high-voltage switch gear, solve the problems, such as that existing high-voltage switch gear differential movement differs greatly.
A kind of high-voltage switch gear, including shell are equipped with installation cavity in shell, are equipped with diaphragm in the installation cavity, in the shell It is slidably fitted with STATEMENT OF FEDERALLY SPONSORED, pressure spring has been abutted between the STATEMENT OF FEDERALLY SPONSORED and shell, the diaphragm passes through STATEMENT OF FEDERALLY SPONSORED and pressure regulation bullet Spring linkage, and be additionally provided in the installation cavity and driven and connection or the switch for cutting off circuit by the STATEMENT OF FEDERALLY SPONSORED, the switch includes:
The first inserted sheet of installation on the shell, first inserted sheet have in the intermediate reed between diaphragm and STATEMENT OF FEDERALLY SPONSORED, Springs in middle on piece has the linkage hole passed through for the STATEMENT OF FEDERALLY SPONSORED;
The second inserted sheet of installation on the shell, second inserted sheet have the circuit communication portion in shell;
The third inserted sheet of installation on the shell, the third inserted sheet have the circuitry cuts portion in shell;
The free end of the intermediate reed have by STATEMENT OF FEDERALLY SPONSORED drive and respectively with circuitry cuts portion or circuit communication portion phase The circuit switching part of contact.
In the present invention, under the driving of STATEMENT OF FEDERALLY SPONSORED, the circuit switching part of intermediate reed is in circuitry cuts portion and circuit communication It swings back and forth between portion, to realize the connection or cutting of high voltage switch circuit.The differential movement of switch by the second inserted sheet electricity The distance between circuitry cuts portion of road interconnecting part and third inserted sheet determines;On the shell due to the second inserted sheet and third inserted sheet Installation site is fixed, therefore the distance between circuit communication portion and circuitry cuts portion are also difference that is determining, therefore switching Dynamic stroke is also determination, can not only be ensured product consistency, and can be obtained high-voltage switch gear by adjusting pressure spring Required pressure difference, the pressure difference requirement needed for meeting high-voltage switch gear significantly under different use occasions, further increases height The scope of application to compress switch.
Preferably, the intermediate reed includes elastic joint part, the fixing end of the elastic joint part is fixed on first and inserts On piece, the circuit switching part are located on the free end of the elastic joint part;
Mounting hole is offered on the elastic joint part, is equipped in the mounting hole for driving circuit switching part to connect in circuit The elastic actuating member moved between logical portion and circuitry cuts portion;
The fixing end of the elastic actuating member and the fixing end of elastic joint part are wholely set, the freedom of the elastic actuating member Waist drum spring has been abutted between end and the free end of elastic joint part.
Under the promotion of STATEMENT OF FEDERALLY SPONSORED, elastic actuating member swings back and forth, and affects waist drum spring, to drive elastic joint part free The circuit switching part at end toggles between circuit communication portion and circuitry cuts portion.
In the present invention, the shell includes the mounting base being tightly connected and installation lid, be equipped in the mounting base fluid cavity, And the first installation cavity being connected with the fluid cavity, the interior pressure regulation being equipped with for accommodating the pressure spring of installation lid Chamber and the second installation cavity being connected with the pressure regulating cavity, second installation cavity and the first installation cavity surround the installation cavity, institute Diaphragm is stated to be arranged in first installation cavity.
Preferably, the STATEMENT OF FEDERALLY SPONSORED includes the connecting rod being slidably mounted in the pressure regulating cavity and is slidably mounted on described Reset seat in first installation cavity, the reset seat are equipped with groove towards the end face of connecting rod, and wherein one end of the connecting rod is protruded into Second installation cavity is simultaneously inserted into the groove behind the linkage hole, which is slidably matched with groove;
The middle part of the elastic actuating member is arranged in the linkage hole, deviates from the side of diaphragm, the company in intermediate reed Bar periphery is equipped with the third stop collar for squeezing linkage outer end of hole face.
The setting of groove can guarantee that connecting rod links in the axial direction with reset seat, between the two be not in slipping phenomenon. Connecting rod drives elastic actuating member mobile by the interaction between its third stop collar and linkage outer end of hole face.
As further preferred, the pressing plate of tubular is also equipped in first installation cavity, which is in reset seat Periphery, press the periphery of diaphragm for wherein one end of pressing plate, and is equipped between reset seat and pressing plate for reset seat to be limited in the The first locating part in one installation cavity.
Sealing function is played in the outer peripheral edge of diaphragm, prevents fluid from entering in installation cavity;It the middle part of diaphragm then can be by fluid pressure Power squeezes and elastic deformation occurs, and under diaphragm driving, reset seat is then slided in tubular pressing plate.
Preferably, first locating part includes the first stop collar that reset seat periphery is arranged in, the pressing plate direction At the cylindrical-opening of connecting rod side have the first in-flanges, first in-flanges and the first stop collar phase separation, and reset seat and First in-flanges is slidably matched.
Similarly, the second locating part for being limited in connecting rod in pressure regulating cavity is equipped between the installation lid and connecting rod; Second locating part includes the second stop collar that connecting rod periphery is arranged in, and pressure regulating cavity of the installation lid towards diaphragm side is opened The second in-flanges, second in-flanges and the second stop collar phase separation are had at mouthful, and connecting rod is matched with second in-flanges sliding It closes;
Deviate from the side of the second in-flanges in the second stop collar, the pressure regulating cavity internal screw thread is equipped with regulator bolts, described Pressure spring is connected between the regulator bolts and the second stop collar.
Regulator bolts can be directly threaded onto pressure regulating cavity from installation outer side of lid, be so conveniently replaceable with different bullets The pressure spring of power meets the different pressures difference requirement of high-voltage switch gear.
Elastic actuating member can be mobile to reset seat direction by the extruding of connecting rod, after the pressure from connecting rod disappears, is Elastic actuating member and waist drum spring is helped to reset, preferably, the reset seat is equipped with towards the end face of connecting rod for squeezing State the convex block of elastic actuating member.
Also, as further preferred, it is equipped between the reset seat and pressing plate for making convex block be directed at elastic actuating member Circumferential locating part, which includes the limited block that reset seat periphery is arranged in, and setting in pressing plate inner surface and The bar limit slot matched with the limited block, the bar limit slot are axially arranged along pressing plate.
It slide limited block can only along bar limit slot along the bar limit slot that pressing plate is axially arranged, thus reset seat It will not circumferentially rotate, convex block can be directed at elastic actuating member always, guarantee that convex block promotes to make to the reset of elastic actuating member With.
Preferably, the limited block has at least two.
In the present invention, it is respectively provided on the first inserted sheet, the second inserted sheet and third inserted sheet for preventing the first inserted sheet and shell Between, the locking tooth that is loosened between the second inserted sheet and shell, between third inserted sheet and shell.The differential movement so switched It more determines, homogeneity of product is higher.
Compared with prior art, the invention has the benefit that
In the present invention, under the driving of STATEMENT OF FEDERALLY SPONSORED, the circuit switching part of intermediate reed is in circuitry cuts portion and circuit communication It swings back and forth between portion, to realize the connection or cutting of high voltage switch circuit;The differential movement of switch by the second inserted sheet electricity The distance between circuitry cuts portion of road interconnecting part and third inserted sheet determines;On the shell due to the second inserted sheet and third inserted sheet Installation site is fixed, therefore the distance between circuit communication portion and circuitry cuts portion are also difference that is determining, therefore switching Dynamic stroke is also determination, can not only be ensured product consistency, and can be obtained high-voltage switch gear by adjusting pressure spring Required pressure difference, the pressure difference requirement needed for meeting high-voltage switch gear significantly under different use occasions, further increases height The scope of application to compress switch.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of prior art high-voltage switch gear;
Fig. 2 is the diagrammatic cross-section of Fig. 1;
Fig. 3 is a kind of structural schematic diagram of high-voltage switch gear of the present invention;
Fig. 4 is the diagrammatic cross-section of Fig. 3;
Fig. 5 is a kind of explosive view of high-voltage switch gear of the present invention;
Fig. 6 is the structural schematic diagram that lid is installed in Fig. 3;
Fig. 7 is the structural schematic diagram after the installation lid assembly switch in Fig. 3;
Fig. 8 is the structural schematic diagram after the installation lid assembly in Fig. 3 switchs under another visual angle;
1, installation lid;100, pressure regulating cavity;101, the second installation cavity;102, the second in-flanges;103, internal screw thread;104, first Slot;105, the second slot;106, third slot;2, mounting base;200, fluid cavity;201, the first installation cavity;3, O-shaped sealing Circle;4, end cap;5, pipe pawl;6, diaphragm;7, reset seat;701, the first stop collar;702, limited block;703, convex block;704, groove; 8, pressing plate;801, the first in-flanges;802, bar limit slot;9, fixing bolt;10, intermediate reed;1001, elastic joint part; 1002, elastic actuating member;1003, circuit switching part;1004, linkage hole;11, the second inserted sheet;1101, circuit communication portion;12, One inserted sheet;13, waist drum spring;14, connecting rod;1401, the second stop collar;1402, third stop collar;15, pressure spring;16, pressure regulation Bolt;17, third inserted sheet;1701, circuitry cuts portion;18, locking tooth.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawings and detailed description.
As shown in figure 3, a kind of high-voltage switch gear of the present embodiment, including shell, shell includes mounting base 2 and by fixed spiral shell The installation lid 1 that bolt 9 is fixedly connected with mounting base 2.
As shown in Figure 5, in conjunction with Fig. 4 as it can be seen that being equipped with fluid cavity 200, the input end of fluid cavity 200 and outlet in mounting base 2 End is connected with O-ring seal 3, end cap 4 and pipe pawl 5 in turn, and pipeline passes through pipe pawl 5 and is installed in mounting base 2, and and fluid cavity 200 are connected.
From fig. 4, it can be seen that fluid cavity 200 is connected by the fluid channel 202 being provided on its inner wall with the first installation cavity 201 It is logical;It installs and is equipped with pressure regulating cavity 100, and the second installation cavity 101 being connected with pressure regulating cavity 100 in lid 1;Second installation cavity 101 Closed installation cavity is encircled into the first installation cavity 201.
As shown in figure 4, being equipped with diaphragm 6 in the first installation cavity 201, and the periphery for compressing diaphragm 6 keeps diaphragm tight Paste the tubular pressing plate 8 of 201 bottom surface of the first installation cavity.Sealing function is played in the outer peripheral edge of diaphragm 6, prevents fluid from entering the first installation The upper space of chamber 201;Then by fluid pressure squeezes elastic deformation can be occurred for the middle part of diaphragm 6.
Pressure spring 15, pressure spring 15 and diaphragm 6 are installed to link by STATEMENT OF FEDERALLY SPONSORED in pressure regulating cavity 100, the STATEMENT OF FEDERALLY SPONSORED Including reset seat 7 and connecting rod 14.Wherein, reset seat 7 opens up fluted 704 away from the end face of diaphragm 6, wherein one end of connecting rod 14 It is slidably matched with the groove 704;Connecting rod 14 and reset seat 7 are reciprocating inside the shell with change in fluid pressure.
Wherein, reset seat 7 is slidably mounted in tubular pressing plate 8, outwardly convex the first stop collar out of 7 peripheral zone of reset seat 701, pressing plate 8 is towards having the first in-flanges 801, and reset seat 7 and the first in-flanges 801 at the cylindrical-opening of 14 one end of connecting rod It is slidably matched.When reset seat 7 is mobile towards installation lid 1 and the first stop collar 701 resists the first in-flanges 801 of pressing plate, reset 7 stop motions of seat, so that reset seat 7 is limited in tubular pressing plate 8.
And connecting rod 14 is then slidably mounted in pressure regulating cavity 100,14 periphery of connecting rod has the second stop collar 1401, installs lid 1 There is the second in-flanges 102 towards 100 opening of pressure regulating cavity of 6 side of diaphragm, when connecting rod 14 is mobile to 2 direction of mounting base and When second stop collar 1401 resists the second in-flanges 102,14 stop motion of connecting rod, so that connecting rod 14 be prevented to be detached from pressure regulating cavity 100.
As shown in Figure 8, in conjunction with Fig. 4 and Fig. 5 as it can be seen that deviating from the side of the second in-flanges 102, tune in the second stop collar 1401 The inner wall of chamber 100 is pressed to be equipped with the internal screw thread 103 for installing regulator bolts 16, pressure spring 15 is connected to the regulator bolts 16 and second between stop collar 1401.
As shown in Figure 4, in conjunction with Fig. 5 as it can be seen that being additionally provided in installation cavity by STATEMENT OF FEDERALLY SPONSORED driving and connection or cutting circuit Switch.
In the present embodiment, switch includes the first inserted sheet 12, the second inserted sheet 11, third inserted sheet 17, installs and opens up respectively on lid 1 There are the first slot 104 for installing the first inserted sheet 12, the second slot 105 for installing the second inserted sheet 11 and for pacifying Fill the third slot 106 of third inserted sheet 17.
As seen from Figure 5, the first inserted sheet 12, the second inserted sheet 11 and third inserted sheet 17 are L-shaped.Wherein, the first inserted sheet 12 has It is inserted vertically into portion and horizontal connection portion, the second inserted sheet 11 has the portion that is inserted vertically into and horizontal circuit communication portion 1101, third Inserted sheet 17 has the portion that is inserted vertically into and horizontal circuitry cuts portion 1701;First inserted sheet 12, the second inserted sheet 11 and third inserted sheet 17 The portion of being inserted vertically into be respectively and fixedly installed in the first slot 104, the second slot 105 and third slot 106, be respectively inserted vertically into portion Two sides on have pairs of locking tooth 18, the logarithm of locking tooth 18 can according to need specific setting, locking tooth 18 For preventing from loosening between the first inserted sheet 12, the second inserted sheet 11 and third inserted sheet 17 and installation lid 1.
As shown in figs. 4 and 7, in conjunction with Fig. 5 and Fig. 8 as it can be seen that the first slot 104 is located at installation lid side, the second slot 105 It is located at the other side of installation lid with third slot 106, the second slot 105 and third slot 106 are opposite and are arranged in parallel, and first inserts Slot 104 open up direction and the second slot 105 and third slot 106 to open up direction perpendicular;First inserted sheet 12, as a result, After two inserted sheets 11 and third inserted sheet 17 are installed, circuit communication portion 1101 and about 1701 circuitry cuts portion and it is arranged in parallel, the two The distance between be switch differential movement, intermediate reed 10 is fixed in the horizontal connection portion of the first inserted sheet 12, among this The free end of reed 10 extends between circuit communication portion 1101 and circuitry cuts portion 1701.
In the present embodiment, the differential movement of switch is by the circuit communication portion 1101 of the second inserted sheet 11 and the electricity of third inserted sheet 17 The distance between road cutting portion 1701 determines, is controlled the otherness of poor journey, ensure that the consistency of product.
In the present embodiment, intermediate reed 10 includes elastic joint part 1001, and the fixing end of elastic joint part 1001 is fixed on In the horizontal connection portion of first inserted sheet 12, the free end of elastic joint part 1001 then extends to circuit communication portion 1101 and circuit is cut Between disconnected portion 1701, and have circuit switching part 1003 (i.e. contact).When circuit switching part 1003 contacts circuit communication portion 1101 When, switch is in connected state, and when circuit switching part 1003 contacts circuitry cuts portion 1701, switch is in an off state.
According to specific needs, contact also can be set in circuit communication portion 1101 or circuitry cuts portion 1701, to reduce The electric current in resistance, enhancing circuit in circuit, improves switch sensitivity.
As seen from Figure 5, mounting hole is offered on elastic joint part 1001, be equipped in the mounting hole for driving circuit to switch The elastic actuating member 1002 that portion 1003 moves between circuit communication portion 1101 and circuitry cuts portion 1701, the elastic actuating member 1002 fixing end and the fixing end of elastic joint part 1001 are wholely set, and the free end of the elastic actuating member 1002 and elasticity are even Abutting between the free end of socket part 1001 has waist drum spring 13.
As shown in Figure 8, in conjunction with Fig. 4 as it can be seen that the middle part of elastic actuating member 1002 offers the linkage hole passed through for connecting rod 14 1004;Also, deviate from the side of diaphragm 6 in elastic actuating member 1002,14 periphery of connecting rod is equipped with for squeezing outside linkage hole 1004 The third stop collar 1402 of end face.
When connecting rod 14 is mobile to 2 direction of mounting base, third stop collar 1402 can squeeze the outer end face in linkage hole 1004, push away Dynamic elasticity driving portion 1002 is mobile to 2 direction of mounting base.
As shown in Figure 5, in conjunction with Fig. 4 as it can be seen that reset seat 7 is equipped with convex block 703 towards the end face of connecting rod 14, when reset seat 7 When mobile to installation 1 direction of lid, convex block 703 can squeeze elastic actuating member 1002, push elastic actuating member 1002 to installation 1 side of lid To movement.
Meanwhile 7 periphery of reset seat also sets up two limited blocks being oppositely arranged 702,8 inner surface of pressing plate is equipped with and the limit The bar limit slot 802 that block 702 matches, the bar limit slot 802 is along the axial arrangement of pressing plate 8.Limited block 702 and bar shaped limit Slot 802 cooperates, and can prevent reset seat 7 from circumferentially rotating in sliding, guarantees that convex block 703 can be directed at elastic actuating member 1002。
Under the promotion of reset seat 7 or connecting rod 14, elastic actuating member 1002 swings back and forth, and affects waist drum spring 13, thus band The circuit switching part 1003 of 1001 free end of dynamic elasticity interconnecting piece comes between circuit communication portion 1101 and circuitry cuts portion 1701 Switchback is changed.
When work, first by 5 connecting pipe of pipe pawl at mounting base both ends, it is assumed that fluids within pipes are high pressure gas.High pressure Gas enters the fluid cavity 200 of mounting base 2, and pipe pawl compresses sealing ring 3 at this time, prevents 200 gas leakage of fluid cavity.High pressure gas passes through Fluid channel 202 enters the second installation cavity 201, and since the periphery of diaphragm 6 is pushed down in the sealing of pressing plate 8, gas cannot pass through diaphragm 6. Under the flexible drive of pressure spring 15, the third stop collar 1402 of connecting rod 14 resists elastic actuating member 1002, switches circuit Portion 1003 is in contact with circuit communication portion 1101, and high-voltage switch gear is in connected state.
When air pressure reaches trigger value, the thrust that high pressure gas generates is greater than the elastic force of pressure spring 15, and high pressure gas drives Keep diaphragm 6 mobile to installation 1 direction of lid, diaphragm 6 drives reset seat 7 to move synchronously.Convex block 703 in reset seat 7 resists elasticity Driving portion 1002 pushes elastic actuating member 1002 mobile to installation 1 direction of lid close to the surface of mounting base 2.Elastic actuating member 1002 affect waist drum spring 13, and circuit switching part 1003 is driven to separate with circuit communication portion 1101, and with 1701 phase of circuitry cuts portion Contact, at this point, high-voltage switch gear is in an off state.
On the contrary, the thrust that high pressure gas generates is less than pressure regulation bullet when in fluid cavity 200 gas pressure is lower than trigger value The elastic force of spring 15, pressure spring 15 drive connecting rod 14 mobile to the direction of mounting base 2, and connecting rod 14 pushes reset seat 7 to reset.Together When, the third stop collar 1402 of connecting rod 14 resists elastic actuating member 1002 close to the surface of installation lid 1, pushes elastic actuating member 1002 is mobile to 2 direction of mounting base.Elastic actuating member affects waist drum spring 13, drives circuit switching part 1003 and circuitry cuts portion 1701 separation, and be in contact with circuit communication portion 1101, at this point, high-voltage switch gear is in connected state.

Claims (4)

1. a kind of high-voltage switch gear, including shell, shell is interior to be equipped with installation cavity, diaphragm (6) are equipped in the installation cavity, feature exists In being slidably fitted with STATEMENT OF FEDERALLY SPONSORED in the shell, pressure spring (15), the diaphragm abutted between the STATEMENT OF FEDERALLY SPONSORED and shell (6) it is linked by STATEMENT OF FEDERALLY SPONSORED and pressure spring (15), and is additionally provided in the installation cavity by STATEMENT OF FEDERALLY SPONSORED driving and connection or cuts The switch of deenergizing, the switch include:
The first inserted sheet (12) of installation on the shell, first inserted sheet (12) have between diaphragm (6) and STATEMENT OF FEDERALLY SPONSORED Between reed (10), with the linkage hole (1004) passed through for the STATEMENT OF FEDERALLY SPONSORED on intermediate reed (10);
The second inserted sheet (11) of installation on the shell, second inserted sheet (11) have the circuit communication portion in shell (1101);
The third inserted sheet (17) of installation on the shell, the third inserted sheet (17) have the circuitry cuts portion in shell (1701);
The free end of the intermediate reed (10), which has, to be driven and is connected respectively with circuitry cuts portion (1701) or circuit by STATEMENT OF FEDERALLY SPONSORED The circuit switching part (1003) that logical portion (1101) are in contact;
The intermediate reed (10) includes elastic joint part (1001), and the fixing end of the elastic joint part (1001) is fixed on first On inserted sheet (12), the circuit switching part (1003) is located on the free end of the elastic joint part (1001);
Mounting hole is offered on the elastic joint part (1001), is equipped in the mounting hole for driving circuit switching part (1003) The elastic actuating member (1002) moved between circuit communication portion (1101) and circuitry cuts portion (1701);
The fixing end of the elastic actuating member (1002) and the fixing end of elastic joint part (1001) are wholely set, the flexible drive Waist drum spring (13) have been abutted between the free end in portion (1002) and the free end of elastic joint part (1001);
The shell includes the mounting base (2) being tightly connected and installation lid (1), is equipped with fluid cavity in the mounting base (2) (200) and with the fluid cavity (200) the first installation cavity (201) being connected, the installation lid (1) is interior to be equipped with for accommodating The pressure regulating cavity (100) of the pressure spring (15) and the second installation cavity (101) being connected with the pressure regulating cavity (100), this Two installation cavitys (101) and the first installation cavity (201) surround the installation cavity, and the diaphragm (6) is arranged in first installation cavity (201) in;
The STATEMENT OF FEDERALLY SPONSORED includes the connecting rod (14) that is slidably mounted in the pressure regulating cavity (100) and is slidably mounted on described first Reset seat (7) in installation cavity (201), the reset seat (7) are equipped with groove (704) towards the end face of connecting rod (14), the company Wherein one end of bar (14) protrudes into the second installation cavity (101) and passes through the linkage hole (1004) and is inserted into the groove (704) afterwards, The connecting rod (14) is slidably matched with groove (704);
Linkage hole (1004) setting deviates from diaphragm at the middle part of the elastic actuating member (1002), in intermediate reed (10) (6) side, connecting rod (14) periphery are equipped with the third stop collar (1402) for squeezing linkage hole (1004) outer end face;
The pressing plate (8) of tubular is also equipped in first installation cavity (201), which is in the periphery of reset seat (7), Press the periphery of diaphragm (6) for wherein one end of pressing plate (8), and is equipped between reset seat (7) and pressing plate (8) for by reset seat (7) the first locating part being limited in the first installation cavity (201);
First locating part includes first stop collar (701) of the setting in reset seat (7) periphery, and the pressing plate (8) is towards even The first in-flanges (801) are had at the cylindrical-opening of bar (14) side, first in-flanges (801) and the first stop collar (701) Phase separation, and reset seat (7) is slidably matched with first in-flanges (801);
The reset seat (7) is equipped with the convex block for squeezing the elastic actuating member (1002) towards the end face of connecting rod (14) (703)。
2. high-voltage switch gear as described in claim 1, which is characterized in that be equipped with and use between the installation lid (1) and connecting rod (14) In the second locating part being limited in connecting rod (14) in pressure regulating cavity (100);Second locating part includes being arranged in connecting rod (14) The second stop collar (1401) of periphery, the installation lid (1) towards diaphragm (6) side pressure regulating cavity (100) opening with the Two in-flanges (102), second in-flanges (102) and the second stop collar (1401) phase separation, and connecting rod (14) and this in second Flange (102) is slidably matched;
Deviate from the side of the second in-flanges (102) in the second stop collar, pressure regulating cavity (100) internal screw thread is equipped with regulator bolts (16), the pressure spring (15) is connected between the regulator bolts (16) and the second stop collar (1401).
3. high-voltage switch gear as described in claim 1, which is characterized in that be equipped with and be used between the reset seat (7) and pressing plate (8) Make convex block (703) alignment elastic actuating member (1002) circumferential locating part, the circumferential direction locating part include be arranged reset seat (7) outside The limited block (702) in week, and setting is in pressing plate (8) inner surface and the bar limit slot that matches with the limited block (702) (802), which axially arranges along pressing plate (8).
4. high-voltage switch gear as described in claim 1, which is characterized in that the first inserted sheet (12), the second inserted sheet (11) and third are inserted Be respectively provided on piece (17) for preventing between the first inserted sheet (12) and shell, between the second inserted sheet (11) and shell, third inserts The locking tooth (18) loosened between piece (17) and shell.
CN201610506821.1A 2016-06-27 2016-06-27 A kind of high-voltage switch gear Active CN105938779B (en)

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Application Number Priority Date Filing Date Title
CN201610506821.1A CN105938779B (en) 2016-06-27 2016-06-27 A kind of high-voltage switch gear

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Application Number Priority Date Filing Date Title
CN201610506821.1A CN105938779B (en) 2016-06-27 2016-06-27 A kind of high-voltage switch gear

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CN105938779A CN105938779A (en) 2016-09-14
CN105938779B true CN105938779B (en) 2019-05-28

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Publication number Priority date Publication date Assignee Title
CN112652503B (en) * 2019-10-10 2024-08-20 侯耀淞 Differential pressure switch

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187338A (en) * 1991-10-04 1993-02-16 Robertshaw Controls Company Fluid pressure operated switch and contact assembly
CN204204743U (en) * 2014-11-03 2015-03-11 深圳市实真环保科技有限公司 Direct-acting type pressure switch

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201522963U (en) * 2009-09-28 2010-07-07 青岛毕勤机电有限公司 Two-way pressure switch
CN205863088U (en) * 2016-06-27 2017-01-04 金华市宏昌电器有限公司 A kind of high-voltage switch gear

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5187338A (en) * 1991-10-04 1993-02-16 Robertshaw Controls Company Fluid pressure operated switch and contact assembly
CN204204743U (en) * 2014-11-03 2015-03-11 深圳市实真环保科技有限公司 Direct-acting type pressure switch

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