CN208816714U - A kind of explosion-proof spool, the explosion-proof valve containing the spool and cabinet air tightness detecting clamp - Google Patents

A kind of explosion-proof spool, the explosion-proof valve containing the spool and cabinet air tightness detecting clamp Download PDF

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Publication number
CN208816714U
CN208816714U CN201821571934.0U CN201821571934U CN208816714U CN 208816714 U CN208816714 U CN 208816714U CN 201821571934 U CN201821571934 U CN 201821571934U CN 208816714 U CN208816714 U CN 208816714U
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China
Prior art keywords
explosion
spool
proof
groove
valve
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Application number
CN201821571934.0U
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Chinese (zh)
Inventor
刘向民
曹四峰
余海龙
许广河
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Dongguan Pu Waterproof Breathable Membrane Material Co Ltd
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Dongguan Pu Waterproof Breathable Membrane Material Co Ltd
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Abstract

A kind of explosion-proof spool, the explosion-proof valve containing the spool and cabinet air tightness detecting clamp, including insert body, valve body, chuck body, the explosion-proof spool are set on explosion-proof valve, and the explosion-proof valve is set in cabinet air tightness detecting clamp;The intracorporal high temperature and high pressure gas of case can be discharged in waterproof and breathable explosion-proof valve provided by the utility model in time, it can prevent explosion or reduce the damage that explosion generates, explosion-proof valve inner seal ring is fixed by inner seal ring slot, is solved the problems, such as its easy to fall off, displacement and is caused poor sealing;When the utility model is inflated in cabinet by the ventilated membrane of explosion-proof balanced valve, aeration speed is fast, and detection speed is fast, high-efficient;Waterproof ventilated membrane not cracky when detecting is inflated from ventilated membrane, it is easy to operate.

Description

A kind of explosion-proof spool, the explosion-proof valve containing the spool and cabinet air tightness detecting clamp
Technical field
The utility model relates to seal case explosion-proof valve and sealing propertytest technical field, espespecially a kind of explosion-proof spool contains There are the explosion-proof valve and cabinet air tightness detecting clamp of the spool.
Background technique
The cabinet of sealing, such as outdoor electric control box, energy-storage battery case, battery of electric vehicle packet etc. are relevant devices or new " heart " of energy automobile, as the core component of control and driving, safety and the operation is stable, reliability are directly rung to setting Standby or new energy electric motor vehicle service performance and safety.When in controller case body intake after insulation performance reduction cause short circuit, Control system failure;Intaking such as battery pack will lead to battery short circuit, and then cause battery explosion, in order to prevent battery in battery pack The performance of component is influenced by water, dust etc. in group or electric control box, for cabinets such as outdoor electric appliance control cabinet, battery packs It is required that must be sealed, waterproof and dust-proof protection level requirements are up to state standards GB 4208-2008 " shell protection etc. Grade " (IP code) IP67 or more.But in the case where being fully sealed, electrical component can generate heat when work, lead to cabinet Interior air is expanded because temperature rises, and pressure in cabinet will be caused to be continuously increased if cannot be discharged in time, and then cabinet becomes Shape, rubber seal failure, lead to the reduction of cabinet water proof and dust proof grade, and electric damaging components etc. are abnormal, in addition for peace Seal case equipped with elements such as battery, bulk capacitors, battery therein, capacitor can generate high temperature and pressure when occurring out of control, Huge pressure can be generated in cabinet, there are the risks of heavy explosion, it is therefore desirable to which a kind of explosion-proof valve prevents explosion or subtracts The damage that few explosion generates.
Detection for seal case degree of protection is protected in GB 4208-2008 standard clear stipulaties IP67 or more The test method and requirement of grade: dust-proof test is tested using talcum powder in dustproof test box, it is desirable that in off-test cabinet not There can be dust deposit;Waterproof test requirement 1 meter of depth of water of immersion, the testing time at least 30 minutes.It is detected by the above standard method, behaviour Make complexity, the used time is more, and detection rear box is stained with water and dust, needs to clean, is dry, and detection post-processes trouble, is adapted only to The requirement quickly detected in seal case batch production processing procedure is not achieved in sampling inspection, is in the industry in batch production processing procedure In be all made of inflation or pumping detection box whether gas leakage to verify cabinet whether good seal verifies cabinet protection effect. It generally uses following methods: (1) boring a threaded hole on cabinet, connect gas-charging connection and detected, although the method inflation inspection Degree of testing the speed is fast, but on cabinet need to open a hole more, increases cabinet difficulty of processing, and after inflation detection after qualification again One bolt is installed and carries out secondary plugging sealing, can not prove bolt secondary seal effect, there are aeration aperture secondary seal is bad, The risk of degree of protection is not achieved.(2) it is inflated in cabinet by the ventilated membrane of explosion-proof valve, but waterproof ventilated membrane Air permenbility one As it is smaller, inflation or the speed of evacuation are very slow, the low problem of detection efficiency, and inflate detection in the presence of can make waterproof from vent valve Ventilated membrane is damaged, leads to the risk of explosion-proof defective valve.
Therefore explosion-proof valve and the box body tightness detection of the prior art need to be studied further, be improved.
Utility model content
One of in order to solve the above problem, the utility model provides a kind of explosion-proof spool.Air-flow is provided on this explosion-proof spool Channel, rapidly aerated or discharge high temperature and high pressure gas, greatly reduces a possibility that waterproof and breathable diaphragm is damaged, moreover it is possible to prevent Explosion reduces the damage that explosion generates.
A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: explosion-proof spool, including insert body, Waterproof and breathable diaphragm, diaphragm fixing piece, sheet metal, the insert body end face are equipped with spool ventilating groove, the first groove, opposite the The second groove that one groove sinks;Spool ventilating groove one end is connected to the first groove, and the other end extends to outside insert body Side;The waterproof and breathable diaphragm is set in the second groove, and the diaphragm fixing piece is arranged in the second groove and is pressed together on waterproof The edge on breathable film surface;The sheet metal is set in the first groove.
Specifically, the insert body end face is additionally provided with the third groove to sink relative to the second groove.
Specifically, the sheet metal is equipped with the ventilative slot of sheet metal, the ventilative slot of the sheet metal and spool ventilating groove Corresponding connection.
In order to solve the above problem two, the utility model provides a kind of explosion-proof valve.Quick discharge is installed in this explosion-proof valve The explosion-proof spool of high temperature and high pressure gas, and several ventilation mouths are additionally provided in valve body, the speed of inflation or pumping is accelerated, The intracorporal temperature of mounted case and air pressure can quickly be adjusted;The inner seal ring of explosion-proof valve is consolidated by the way that inner seal ring slot is arranged It is fixed, solve the problems, such as inner seal ring because falling off, shifting and cause poor sealing.
A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: explosion-proof valve, including it is valve body, explosion-proof Valve spring, inner seal ring, guide rod and explosion-proof spool, the valve body surface are equipped with the mounting groove for installing explosion-proof spool, prevent Quick-fried seal spool is arranged in mounting groove, and the bottom of mounting groove is equipped with inner seal ring slot, and the inner seal ring is set to interior sealing In ring recess, the valve body side is equipped with card slot;The valve body center is equipped with spool pilot hole, and valve body inner wall passes through a plurality of Dowel is linked together with spool pilot hole, forms ventilation mouth between every adjacent two dowels;Perforation is equipped in the guide rod First air hole of guide rod extending direction, the insert body bottom surface be equipped with guide rod interconnecting piece, and guide rod interconnecting piece in be equipped with The spool air hole of third groove connection, the guide rod sequentially pass through explosion-proof valve spring, spool pilot hole and insert body bottom surface The connection of guide rod interconnecting piece, and be slidably matched with spool pilot hole.
Specifically, further including exterior seal ring, the valve body bottom surface is equipped with external seal ring recess, and exterior seal ring is set to external seal In ring recess.
Specifically, the valve body is equipped with mounting hole far from explosion-proof spool one end.
Specifically, the valve body extends far from explosion-proof valve one end is equipped with installation screw thread.
In order to solve the above problem three, the utility model provides a kind of cabinet clamp for detecting air tightness.This cabinet air-tightness Detection fixture is connected in the card slot on valve body to carry out air-leakage test to valve body by claw, and detection speed is fast, effect Rate is high, easy to operate.
A kind of in order to achieve the above purposes, the technical solution adopted by the utility model is: cabinet clamp for detecting air tightness, including Chuck body, magnetic receiver, fixture sealing ring, guide post, clamp spring, are hollow structure inside the chuck body, and an end seal Another end opening is closed, is equipped with claw for being fastened in card slot in open at one end, is equipped with first step in closed end, described the The 4th groove is equipped in one step, the 4th groove center is equipped with the guide post pilot hole being connected to chuck body;
The magnetic receiver is set in chuck body, and the magnetic receiver bottom surface second equipped with perforation magnetic receiver extending direction is saturating Stomata and magnet for adsorbing sheet metal in explosion-proof spool, and it is additionally provided with the fixture being tightly connected with valve body end face edge Sealing ring;
The guide post side wall is equipped with guide post boss, and the bottom surface of the guide post boss is fastened on the 4th groove end face, passes through rotation Transduction column is plugged on guide post boss in the 4th groove;Third air hole, the table in guide post one end are equipped with inside the guide post Face is equipped with the ventilating groove that is connected to third air hole, one end of the guide post sequentially pass through guide post pilot hole, clamp spring and with Magnetic receiver connection, and the third air hole of guide post is connected to the second air hole.
Specifically, further including handle, the handle is connected through a screw thread with guide post or the two is integrated.
Specifically, the magnet is cylinder or circular ring shape powerful permanent magnetic iron.
The utility model has the beneficial effects that:
1. being equipped with waterproof ventilated membrane, ventilated membrane fixing piece and sheet metal in the utility model spool, wherein diaphragm fixing piece It is closely pressed together on the outside of waterproof and breathable diaphragm with insert body interference fit, waterproof and breathable diaphragm is made to fit closely insert body On, sealing stationarity is reliable and stable;Sheet metal in spool provides one kind simply, reliably to open spool when cabinet detection Method.
2. the utility model valve body is equipped with inner seal ring slot, for installation inner seal ring to be arranged, inner seal ring slot can With effectively fixed interior sealing, when preventing spool from opening, inner seal ring is mobile or abjection causes valve core reset poor sealing.
3. when cabinet air-leakage test, picking up spool using the magnet on air tightness detecting clamp and opening spool, from pressure release Inflation is compared to intake velocity is fast, the used time is short from the ventilated membrane from explosion-proof valve for channel inflation, detection efficiency height, and not will lead to Ventilated membrane damage, explosion-proof defective valve.After explosion pressure release, when the intracorporal pressure of case is less than spool cracking pressure, spool can answer automatically Position keeps sealing state, therefore can guarantee the quality of explosion-proof valve by the explosion-proof performance of 100% detection explosion-proof valve in processing procedure.This Easy to operate, quick, the achievable installation operation of 3S clock is installed and removed to utility model.
Detailed description of the invention
Fig. 1 is spool assembling explosive view.
Fig. 2 is insert body perspective view.
Fig. 3 is insert body diagrammatic cross-section.
Fig. 4 is explosion-proof valve assembling explosive view.
Fig. 5 is valve body diagrammatic cross-section.
Fig. 6 is two diagrammatic cross-section of valve body embodiment.
Fig. 7 is cabinet clamp for detecting air tightness assembling assumption diagram.
Fig. 8 is cabinet clamp for detecting air tightness assembling explosive view.
Fig. 9 is guide post diagrammatic cross-section.
Figure 10 is magnetic receiver stereoscopic schematic diagram.
Drawing reference numeral explanation: 1. insert bodies;101. guide rod interconnecting piece;102. spool air hole;103. spool ventilating groove; 104. third groove;105. the second groove;106. the first groove;107. insert body end face;2. waterproof and breathable diaphragm;3. diaphragm Fixing piece;4. sheet metal;401. sheet metals are breathed freely slot;5. protective cover;6. guide rod;601. first air holes;602. guide rods are convex Platform;7. valve body;701. spool pilot holes;702. ventilation mouth;703. card slot;704. inner seal ring slots;705. dowel;706. External seal ring recess;707 mounting holes;708. installation screw threads;709. valve body edge lug boss;710. mounting groove;8. inner seal ring;9. Exterior seal ring;10. explosion-proof valve spring;11. chuck body;111. claw;112. first step;113. the 4th groove;114. leading Column pilot hole;12. clamp spring;13. magnetic receiver;131. second step;132. guide post interconnecting piece;133. the second air hole; 134. the 5th groove;135. the 6th groove;136. the 7th groove;137. the 8th groove;14. magnet;15. fixture sealing ring;16. Guide post;161. guide post boss;162. ventilating groove;163. plane;164. third air holes;17. handle;18. gas-tpe fitting.
Specific embodiment
It please refers to shown in Fig. 1-3, the utility model is about a kind of explosion-proof spool, including insert body 1, waterproof and breathable diaphragm 2, diaphragm fixing piece 3, sheet metal 4 and protective cover 5, the insert body end face 107 are equipped with spool ventilating groove 103, the first groove 106, the second groove 105 that opposite first groove 106 sinks;Described 103 one end of spool ventilating groove is connected to the first groove 106, The other end extends to 1 outside of insert body;The waterproof and breathable diaphragm 2 is set in the second groove 105, the diaphragm fixing piece 3 It is arranged in the second groove 105 and is pressed together on the edge on 2 surface of waterproof and breathable diaphragm;The sheet metal 4 is set to the first groove In 106.The protective cover 5 is bonded on insert body end face 107, or interference fit is mounted on insert body 1.
As preference, 3 and sheet metal 4 are fixed equipped with waterproof and breathable diaphragm 2, diaphragm in the utility model spool, Middle diaphragm fixing piece 3 is interference fitted the edge for being closely pressed together on 2 surface of waterproof and breathable diaphragm with insert body 1, keeps waterproof saturating Air film piece 2 fits closely on insert body 1, and sealing stationarity is reliable and stable;Sheet metal 4 in spool is that can be inhaled by magnetic material Attached circular metal plate, can be arranged multiple ventilative slots on sheet metal 4, gold corresponding with spool ventilating groove 103 when assembly Belong to piece 4 and provides a kind of simple, reliable method to open spool when cabinet detection.
Specifically, the insert body end face 107 is additionally provided with the third groove 104 to sink relative to the second groove 105.
In above scheme, the purpose of setting of third groove 104 is that 2 large area of waterproof and breathable diaphragm is tightly attached to valve in order to prevent On core ontology 1, increase effective vapor permeation area of diaphragm.
Specifically, the sheet metal 4 is equipped with the ventilative slot 401 of sheet metal, the ventilative slot 401 of the sheet metal and spool The corresponding connection of ventilating groove 103.
In above scheme, the design of the ventilative slot 401 of sheet metal is conducive to high temperature and high pressure gas when sheet metal 1 is jacked up Rapid dispersion discharge.
Please refer to shown in Fig. 4-6, a kind of explosion-proof valve, including valve body 7, explosion-proof valve spring 10, inner seal ring 8, guide rod 6 and Explosion-proof spool, 7 surface of valve body are equipped with the mounting groove 710 for installing explosion-proof spool, and explosion-proof spool is sealingly disposed in peace In tankage 710, the bottom of mounting groove 710 is equipped with inner seal ring slot 704, and the inner seal ring 8 is set to inner seal ring slot 704 Interior, 7 side of valve body is equipped with card slot 703;7 center of valve body is equipped with spool pilot hole 701, and 7 inner wall of valve body is logical It crosses a plurality of dowel 705 to be linked together with spool pilot hole 701, forms ventilation mouth 702 between every adjacent two dowels 705; The first air hole 601 of perforation guide rod extending direction is equipped in the guide rod 6,1 bottom surface of insert body is connected equipped with guide rod Portion 101, and the spool air hole 102 being connected to third groove 104 is equipped in guide rod interconnecting piece 101, the guide rod 6 sequentially passes through Explosion-proof valve spring 10, spool pilot hole 102 are connect with the guide rod interconnecting piece 101 of 1 bottom surface of insert body, and with spool pilot hole 102 are slidably matched.
As preference, the utility model valve body 7 is equipped with inner seal ring slot 704, for installation inner seal ring to be arranged 8, inner seal ring slot 704 can effectively fix interior sealing, and when preventing spool from opening, inner seal ring 8 is mobile or abjection causes valve Core resets poor sealing;Guide rod boss 602 is provided on guide rod 6, explosion-proof 10 one end of valve spring is pressed on guide rod boss 602, can Prevent explosion-proof valve spring 10 from sliding to send out well.
Explosion-proof valve core cracking pressure is controlled by spring force, and wherein cracking pressure is 5~50kPa, as advanced optimizing Spool cracking pressure, i.e. explosion-proof pressure are 7~20kPa.When the intracorporal pressure of case reaches explosion-proof pressure, spool can be jacked up, There are certain gap between spool and inner seal ring 9, gas quickly can be discharged pressure release from ventilation mouth 702 and gap, have very Good explosion-proof stability, when pressure is less than spool cracking pressure in exhaust pressure relief to cabinet, spool is in explosion-proof valve spring 10 Lower Rapid reset is acted on, spool compresses the sealing under the realization normal condition of inner seal ring 8.
Specifically, further including exterior seal ring 9,7 bottom surface of valve body is equipped with external seal ring recess 706, and exterior seal ring 9 is set to In external seal ring recess 706.
In above scheme, the design of exterior seal ring 9, external seal ring recess 706 is conducive to enhance the leakproofness of valve body 7.
Specifically, the valve body 7 is equipped with mounting hole 707 far from explosion-proof spool one end.
Four mounting holes 707 can be set in above scheme, on explosion-proof valve body, and are installed to four primary screw cooperation nuts On cabinet.
Specifically, the valve body 7 extends far from explosion-proof valve one end is equipped with installation screw thread 708.
In above scheme, valve body 7 is fixedly connected by installation screw thread 708 with cabinet, easy to operate, stable connection;It can be with It is equipped with installation screw rod on explosion-proof valve body 7, is installed in the correspondence screw hole on cabinet.
It please refers to shown in Fig. 7-10, a kind of cabinet clamp for detecting air tightness, including chuck body 11, magnetic receiver 13, fixture Sealing ring 15, guide post 16, clamp spring 12, are hollow structure inside the chuck body 11, and another end opening closed at one end, It is equipped with the claw 111 for being fastened in card slot 703 in open at one end, is equipped with first step 112, the First in closed end The 4th groove 113 is equipped in rank 112,113 center of the 4th groove is equipped with the guide post pilot hole 114 being connected to chuck body 11;
The magnet 13 are set in chuck body 11, and 13 bottom surface of magnetic receiver is equipped with perforation magnetic receiver extending direction Second air hole 133 and magnet 14 for adsorbing sheet metal 4 in explosion-proof spool, and be additionally provided with and 107 side of valve body end face The fixture sealing ring 15 that edge is tightly connected;
16 side wall of guide post is equipped with guide post boss 161, and the bottom surface of the guide post boss 161 is fastened on the 4th groove 113 End face is plugged on guide post boss 161 in the 4th groove 113 by rotary guide 16;Third is equipped with inside the guide post 16 Air hole 164 is equipped with the ventilating groove 162 that is connected to third air hole 164 on the surface of 16 one end of guide post, and the one of the guide post 16 End sequentially pass through guide post pilot hole 114, clamp spring 12 and connect with magnetic receiver 13, and the third air hole 164 of guide post 16 and The connection of second air hole 133.
As preference, when cabinet air-leakage test, spool is picked up using the magnet 14 on air tightness detecting clamp and is opened Spool, from ventilating groove 162, third air hole 164 inflation from the ventilated membrane from explosion-proof valve inflation compared to intake velocity fastly, the used time Short, detection efficiency is high, and not will lead to ventilated membrane damage, explosion-proof defective valve.After explosion pressure release, when the intracorporal pressure of case is less than Spool, which can automatically reset, when spool cracking pressure keeps sealing state, therefore can pass through the anti-of 100% detection explosion-proof valve in processing procedure Quick-fried performance guarantees the quality of explosion-proof valve;The guide post interconnecting piece 132 of corresponding guide post 16, guide post are equipped on the surface of magnetic receiver 13 16 are connect by guide post interconnecting piece 132 with magnetic receiver 13, and chuck body 11 is preferably designed as hollow semi-cylindrical.
In above scheme, 13 bottom surface of magnetic receiver can be equipped with successively toward the 7th groove 136 of external diffusion, the 6th groove 135, 5th groove 134, wherein magnet 14 is placed in the 7th groove 136, and fixture sealing ring 15 is placed in the 5th groove 134, and And the 7th is equipped with the 8th groove 137 that opposite 7th groove 136 sinks in groove 136, is equipped with perforation up and down in the 8th groove 136 The second air hole 133, and the 8th groove 137 is connected to the 6th groove 135;The 6th groove 135 of institute by the 8th groove 137 with Second air hole 133 is connected, and forms the first gas-permeable channels;Is formed between 13 surface of magnetic receiver and guide post interconnecting piece 132 Two steps 131 are conducive to be connected and fixed with guide post 16.
In above scheme, guide post 16 is equipped with a plane 163, and is equipped with a ventilating groove 162, ventilating groove 162 on surface It can be set as thread groove, may be provided with gas-tpe fitting 18 in thread groove, gas-tpe fitting 18 is fixedly connected by thread groove with guide post 16, And it is connected to by thread groove with third air hole 164 and constitutes the second gas-permeable channels;One end of guide post 16 sequentially passes through guide post guiding Hole 114, clamp spring 12 are simultaneously connect with magnetic receiver 13, and the first gas-permeable channels are connected to the second gas-permeable channels
Specifically, further including handle 17, the handle 17 is connect with guide post 16 or the two is integrated.
In above scheme, handle 17 can be connected through a screw thread with guide post 16, easy to disassemble, easy for installation;It can also be by hand Both handle 17 and guide post 16 are integrated, easy to operate.
Specifically, the magnet 14 is cylinder or circular ring shape powerful permanent magnetic iron.
In above scheme, magnet 14 is preferably powerful permanent magnetic iron, then is not required to connect power supply generation magnetism.
Cabinet clamp for detecting air tightness working principle:
Claw 111 is inserted in the card slot 703 on explosion-proof valve valve body 7 first, makes the fixture sealing ring on magnetic receiver 13 15 sealings are tightly attached to 709 on valve body edge lug boss, and the bottom surface of guide post boss 161 is made to be fastened on 113 end face of the 4th groove, are led to Crossing rotary guide 16 is plugged on guide post boss 161 in the 4th groove 113, while magnetic receiver 13 drops to low level, magnet 14 Attracting with the sheet metal 4 in spool, spool is picked up opening, and gas can be by the first gas-permeable channels, the second gas-permeable channels, explosion-proof Gap and ventilation mouth 702 pass in and out between spool and inner seal ring 8, and then realize and inflate or vacuumize into cabinet, and pressure maintaining A period of time detects whether gas leakage to detect the close property of verifying cabinet;Handle 17 is held after detection is lifted up magnetic receiver 13, with The rising of spool, explosion-proof valve spring 10 constantly compressed, elastic force is gradually increased, when magnet 14 and the suction of explosion-proof spool are less than When explosion-proof 10 elastic force of valve spring, magnet 14 and explosion-proof spool are detached from, and explosion-proof spool is resetted and protected under the effect of explosion-proof valve spring 10 Sealing state is held, continuing up knob handle 17 makes guide post boss 161 be more than first step 112, rotates a certain angle, such as 90 Angle is spent, magnetic receiver 13 can be located in a high position.
Embodiment of above is only that preferred embodiments of the present invention are described, not to the utility model Range be defined, under the premise of not departing from the spirit of the design of the utility model, this field ordinary engineering and technical personnel to this The various changes and improvements that the technical solution of utility model is made should all fall into the guarantor that claims of the utility model determine It protects in range.

Claims (10)

1. a kind of explosion-proof spool, it is characterised in that: including insert body, waterproof and breathable diaphragm, diaphragm fixing piece, sheet metal, institute State the second groove that insert body end face sinks equipped with spool ventilating groove, the first groove, opposite first groove;The spool is ventilative Slot one end is connected to the first groove, and the other end extends on the outside of insert body;The waterproof and breathable diaphragm is set in the second groove, The diaphragm fixing piece is arranged in the second groove and is pressed together on the edge on waterproof and breathable diaphragm surface;The sheet metal is set to In first groove.
2. explosion-proof spool according to claim 1, it is characterised in that: the insert body end face is additionally provided with relative to second The third groove that groove sinks.
3. explosion-proof spool according to claim 1, it is characterised in that: the sheet metal is equipped with the ventilative slot of sheet metal, The sheet metal is breathed freely, and slot is corresponding with spool ventilating groove to be connected to.
4. a kind of explosion-proof valve, it is characterised in that: including valve body, explosion-proof valve spring, inner seal ring, guide rod and claim 1-3 Described in any item explosion-proof spools, the valve body surface are equipped with the mounting groove for installing explosion-proof spool, explosion-proof seal spool It is arranged in mounting groove, the bottom of mounting groove is equipped with inner seal ring slot, and the inner seal ring is set in inner seal ring slot, described Valve body side is equipped with card slot;The valve body center is equipped with spool pilot hole, and valve body inner wall passes through a plurality of dowel and valve Core pilot hole is linked together, and forms ventilation mouth between adjacent dowel;The of perforation guide rod extending direction is equipped in the guide rod One air hole, the insert body bottom surface is equipped with guide rod interconnecting piece, and the valve being connected to third groove is equipped in guide rod interconnecting piece Core air hole, the guide rod sequentially passes through explosion-proof valve spring, spool pilot hole is connect with the guide rod interconnecting piece of insert body bottom surface, And it is slidably matched with spool pilot hole.
5. explosion-proof valve according to claim 4, it is characterised in that: further include exterior seal ring, the valve body bottom surface is equipped with External seal ring recess, exterior seal ring are set in external seal ring recess.
6. explosion-proof valve according to claim 4, it is characterised in that: the valve body is equipped with installation far from explosion-proof spool one end Hole.
7. explosion-proof valve according to claim 4, it is characterised in that: the valve body extends far from explosion-proof valve one end is equipped with peace Fill screw thread.
8. a kind of cabinet clamp for detecting air tightness suitable for any one of claim 4-7 explosion-proof valve, it is characterised in that: including folder Have ontology, magnetic receiver, fixture sealing ring, guide post, clamp spring, is hollow structure inside the chuck body, and closed at one end Another end opening is equipped with claw for being fastened in card slot in open at one end, is equipped with first step in closed end, and described first The 4th groove is equipped in step, the 4th groove center is equipped with the guide post pilot hole being connected to chuck body;
The magnetic receiver is set in chuck body, and the magnetic receiver bottom surface is equipped with the second air hole of perforation magnetic receiver extending direction With the magnet for adsorbing sheet metal in explosion-proof spool, and be additionally provided with the end face edge of valve body be tightly connected fixture it is close Seal;
The guide post side wall is equipped with guide post boss, and the bottom surface of the guide post boss is fastened on the 4th groove end face, is led by rotation Column is plugged on guide post boss in the 4th groove;It is equipped with third air hole inside the guide post, is set on the surface of guide post one end There is the ventilating groove being connected to third air hole, one end of the guide post sequentially passes through guide post pilot hole, clamp spring and and magnet Seat connection, and the third air hole of guide post is connected to the second air hole.
9. cabinet clamp for detecting air tightness according to claim 8, it is characterised in that: further include handle, the handle with Guide post connection or the two are integrated.
10. cabinet clamp for detecting air tightness according to claim 8, it is characterised in that: the magnet is cylinder or circle Annular powerful permanent magnetic iron.
CN201821571934.0U 2018-09-26 2018-09-26 A kind of explosion-proof spool, the explosion-proof valve containing the spool and cabinet air tightness detecting clamp Active CN208816714U (en)

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Application Number Priority Date Filing Date Title
CN201821571934.0U CN208816714U (en) 2018-09-26 2018-09-26 A kind of explosion-proof spool, the explosion-proof valve containing the spool and cabinet air tightness detecting clamp

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Application Number Priority Date Filing Date Title
CN201821571934.0U CN208816714U (en) 2018-09-26 2018-09-26 A kind of explosion-proof spool, the explosion-proof valve containing the spool and cabinet air tightness detecting clamp

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CN208816714U true CN208816714U (en) 2019-05-03

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020063043A1 (en) * 2018-09-26 2020-04-02 东莞蒲微防水透气膜材料有限公司 Explosion-proof valve core, explosion-proof valve containing valve core and box body airtight detection fixture
CN112361047A (en) * 2021-01-12 2021-02-12 江苏时代新能源科技有限公司 Bidirectional breather valve, battery and device
US11949122B2 (en) 2021-01-12 2024-04-02 Jiangsu Contemporary Amperex Technology Limited Bidirectional vent valve, battery, and electrical device

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020063043A1 (en) * 2018-09-26 2020-04-02 东莞蒲微防水透气膜材料有限公司 Explosion-proof valve core, explosion-proof valve containing valve core and box body airtight detection fixture
US11817599B2 (en) 2018-09-26 2023-11-14 Dongguan Puwei waterproof and breathable membrane material Co., Ltd Explosion-proof valve core, explosion-proof valve, and box body gas tightness detection clamp
CN112361047A (en) * 2021-01-12 2021-02-12 江苏时代新能源科技有限公司 Bidirectional breather valve, battery and device
CN112361047B (en) * 2021-01-12 2021-06-04 江苏时代新能源科技有限公司 Bidirectional breather valve, battery and device
WO2022151619A1 (en) * 2021-01-12 2022-07-21 江苏时代新能源科技有限公司 Bidirectional ventilation valve, battery and power device
US11949122B2 (en) 2021-01-12 2024-04-02 Jiangsu Contemporary Amperex Technology Limited Bidirectional vent valve, battery, and electrical device

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