CN212226111U - Novel explosion-proof balanced valve - Google Patents
Novel explosion-proof balanced valve Download PDFInfo
- Publication number
- CN212226111U CN212226111U CN202021542658.2U CN202021542658U CN212226111U CN 212226111 U CN212226111 U CN 212226111U CN 202021542658 U CN202021542658 U CN 202021542658U CN 212226111 U CN212226111 U CN 212226111U
- Authority
- CN
- China
- Prior art keywords
- moisture
- proof
- piston
- sheet
- hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Casings For Electric Apparatus (AREA)
Abstract
The utility model discloses a novel explosion-proof balanced valve, this novel explosion-proof balanced valve includes: the body, guide arm, spring, piston, this guide arm wear to locate in this body to with piston fixed connection, and guide arm and piston distribute in this body both sides, this spring sets up between guide arm and body, the guide arm is equipped with the through-hole that runs through, and the first bleeder vent intercommunication of this through-hole and piston is in order to form ventilation channel, still is equipped with the waterproof ventilated membrane that is used for covering first bleeder vent on this piston, and this guide arm other end is equipped with the ventilative subassembly of level pressure, and the ventilative subassembly shutoff of this level pressure is in this through-hole. The utility model discloses it is as an organic whole that the explosion-proof pressure release of collection, ventilative balanced seal box internal and external pressure differential and separation moisture etc to simple structure, cost are lower, easily realize mass production and popularization and application.
Description
The technical field is as follows:
the utility model relates to an explosion-proof valve technical field refers in particular to a novel explosion-proof balanced valve.
Background art:
under the trend of automobile electromotion, the quantity of electric vehicles in China is rapidly increased, but meanwhile, the accidents of electric vehicles burning on fire frequently occur, and the safety problem of the electric vehicles becomes the focus of attention of consumers and is the fundamental guarantee of the continuous and healthy development of the new energy automobile industry. For this reason, electric mandatory national standards such as electric automobile safety requirement, electric automobile power storage battery safety requirement and the like are newly issued by related departments and are implemented at 1 month and 1 day of 2021, wherein the electric automobile safety requirement is mainly stipulated, and the electric automobile waterproof, insulation resistance and monitoring requirements are strengthened so as to reduce the safety risk of the automobile under the conditions of normal use, wading and the like; the safety requirements of the power storage battery for the electric automobile are emphasized by the standard, the thermal safety, the electrical safety and the functional safety requirements of a battery system are strengthened, and particularly, the thermal diffusion test and the waterproof requirements of the battery gas system are increased by the new standard. Aiming at the release and implementation of the mandatory national standards, higher requirements are put forward on the waterproof, ventilation, moisture resistance and the like of the new energy automobile power system.
The power system (battery PACK, electric control, motor and the like) of the electric vehicle is used as the core of the new energy electric vehicle, and the safety and the working reliability of the electric vehicle are very important. In order to ensure the safe and stable work, the water-proof and dust-proof are needed, that is, the sealing is theoretically needed, but in a completely sealed state, once the internal short circuit, the battery overcharge or overdischarge and other abnormal thermal runaway occur, a large amount of high temperature and high pressure are generated, a large amount of solid-gas mixture containing solid or colloidal substances is generated, and if the solid-gas mixture cannot be discharged in time, severe fire and explosion occur under the normal condition, so that serious casualties and property loss are caused.
Therefore, at present, the scheme of installing 1 or more waterproof vent valves and explosion-proof vent balance valves on power system components such as a battery pack and the like is adopted to carry out waterproof and explosion-proof on the power battery system, and casualties and property loss caused by explosion are prevented or reduced. However, the waterproof breathable microporous membrane is arranged inside the waterproof breathable valve and the explosion-proof valve in the prior art, although liquid water can be prevented from entering the box body, the waterproof breathable microporous membrane has a good breathable pressure balancing function and provides certain protection for the electric vehicle, when the waterproof breathable microporous membrane is breathable, water vapor in the air can enter a power control system along with the water vapor, a large amount of moisture enters the power control system and can be condensed to reduce the insulation resistance, even the moisture is short-circuited, serious potential safety hazards exist, and the requirements of new national standards on waterproofness and insulation cannot be met. Although the electrolytic water dehumidifying device or the moisture absorption preventing agent is additionally arranged in the box body to prevent condensation to a certain extent, the electrolytic water dehumidifying device consumes power, and particularly, when the electric vehicle is parked for a long time, a large amount of power consumption can cause over-discharge of the battery, so that the service life of the battery is reduced; and the desiccant and the moisture absorption film/paper placed in the box body are easy to absorb moisture to reach saturation, the service life is short, and the desiccant and the moisture absorption film/paper need to be frequently replaced, so that the prior art still has certain problems.
Therefore, the present inventors propose the following technical solutions for further research and improvement of the existing waterproof, breathable and explosion-proof valve.
The utility model has the following contents:
an object of the utility model is to overcome prior art not enough, provide a novel explosion-proof balanced valve.
In order to solve the technical problem, the utility model discloses a following technical scheme: this novel explosion-proof balanced valve includes: the body, guide arm, spring, piston, this guide arm wear to locate in this body to with piston fixed connection, and guide arm and piston distribute in this body both sides, this spring sets up between guide arm and body, the guide arm is equipped with the through-hole that runs through, and the first bleeder vent intercommunication of this through-hole and piston is in order to form ventilation channel, still is equipped with the waterproof ventilated membrane that is used for covering first bleeder vent on this piston, and this guide arm other end is equipped with the ventilative subassembly of level pressure, and the ventilative subassembly shutoff of this level pressure is in this through-hole.
Furthermore, among the above-mentioned technical scheme, the ventilative subassembly of level pressure sets up in the first piece and the second piece that wets that hinders of this mounting panel both sides face including the mounting panel that is fixed in this guide arm other end and laminating, is provided with the second bleeder vent and the third bleeder vent that run through on this mounting panel, and this first piece that wets covers the second bleeder vent, and this second piece that wets covers the third bleeder vent.
Further, in the above technical solution, the first moisture-blocking sheet and the second moisture-blocking sheet are fixed to the mounting plate by fixing members.
Further, in the above technical solution, the first moisture-blocking sheet is further provided with a first pressing sheet, and the first pressing sheet is fixedly connected with the fixing member; and the second moisture-resisting sheet is also provided with a second pressing sheet which is fixedly connected with the fixing piece.
Furthermore, in the above technical solution, the first moisture-blocking sheet and the second moisture-blocking sheet are both circular, and the centers of the first moisture-blocking sheet and the second moisture-blocking sheet are fixed to the mounting plate through the first fixing member and the second fixing member, respectively.
Furthermore, in the above technical solution, a hole is provided in the center of the body for the guide rod to pass through, and a plurality of through exhaust holes are provided in the periphery of the hole of the body, and the piston blocks the exhaust holes under the action of the spring.
Furthermore, in the above technical solution, the front and rear end faces of the body are respectively provided with a first groove and a second groove, the first sealing ring and the second sealing ring are installed in the first groove and the second groove through interference fit, the inner side and the outer side of the first sealing ring are respectively formed with a plurality of first convex hulls and second convex hulls, and the first sealing ring partially protrudes out of the front side face of the body; the piston is pressed against the second sealing ring.
Further, in the above technical solution, the guide rod and the piston are fixedly connected by a thread.
Further, among the above-mentioned technical scheme, the piston is provided with first mounting groove, waterproof ventilated membrane installs in this first mounting groove, and first mounting groove internal fixation has a clamping ring, and this clamping ring is pressed on this waterproof ventilated membrane edge.
Further, among the above-mentioned technical scheme, be fixed with the apron on the piston, this apron lid is equipped with the ventilative groove of intercommunication on this first mounting groove, and is formed with the clearance between this apron and the body.
After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect: the utility model discloses it is as an organic whole that the explosion-proof pressure release of collection, ventilative balanced seal box internal and external pressure differential and separation moisture etc to simple structure, cost are lower, easily realize mass production and popularization and application.
Description of the drawings:
fig. 1 is a perspective view of the present invention;
fig. 2 is a perspective view of another perspective of the present invention;
fig. 3 is an exploded view of the present invention;
fig. 4 is a cross-sectional view of the present invention;
fig. 5 is a perspective view of the present invention with the cover plate removed;
FIG. 6 is a perspective view of a first structure of the middle constant pressure ventilation assembly of the present invention;
FIG. 7 is an exploded perspective view of a first construction of a middle constant pressure vent assembly according to the present invention;
FIG. 8 is a perspective view of a second construction of the middle constant pressure vent assembly of the present invention;
FIG. 9 is a perspective view of another perspective of the second structure of the middle constant pressure vent assembly of the present invention;
FIG. 10 is an exploded perspective view of a second construction of the middle constant pressure vent assembly of the present invention;
fig. 11 is a schematic view of the utility model in a normal state after being installed on the sealed box body;
fig. 12 is a schematic view of the first principle of the ventilation and pressure balance after the present invention is installed on the sealed box body;
FIG. 13 is a schematic view of the second principle of the present invention mounted on the sealed box for air ventilation and pressure balance;
fig. 14 is a schematic diagram of the explosion-proof state after the present invention is mounted on the sealed box.
The specific implementation mode is as follows:
the present invention will be further described with reference to the following specific embodiments and accompanying drawings.
As shown in fig. 1-10, the novel explosion-proof balance valve comprises: body 1, guide arm 2, spring 3, piston 4, waterproof ventilated membrane 5 and level pressure ventilation assembly 6, this guide arm 2 wears to locate in this body 1 to with piston 4 fixed connection, and guide arm 2 and piston 4 distribute in 1 both sides of this body, this spring 3 sets up between guide arm 2 and body 1.
Referring to fig. 3 and 4, a hole 11 is formed in the center of the body 1 for the guide rod 2 to pass through, a plurality of through exhaust holes 12 are formed in the periphery of the hole 11 of the body 1, and the piston 4 blocks the exhaust holes 12 under the action of the spring 3. Wherein, first recess 13 and second recess 14 are installed respectively to the terminal surface around the body 1, and first sealing washer 15 and second sealing washer 16 are installed in first recess 13 and second recess 14 through interference fit, and the inboard and outside shaping respectively of this first sealing washer 15 has a plurality of first convex closure 151 and second convex closure 152, and outside this first sealing washer 15 local protrusion in this body 1 leading flank, this first sealing washer 15 is used for the utility model discloses and sealed between the sealed box 100, guarantee the utility model discloses form sealed goods with sealed box 100. The piston 4 is pressed against the second sealing ring 16, so that the piston 4 is in sealing contact with the body 1, the exhaust hole 12 can be blocked by the piston 4, and the tightness is ensured.
Referring to fig. 4, the guide rod 2 is provided with a through hole 20, the through hole 20 is communicated with the first vent hole 41 of the piston 4 to form a vent passage, the piston 4 is further provided with a waterproof vent film 5 for covering the first vent hole 41, the other end of the guide rod 2 is provided with a constant pressure vent assembly 6, the constant pressure vent assembly 6 is sealed in the through hole 20, and when the pressure is greater than the constant pressure of the constant pressure vent assembly 6, the constant pressure vent assembly 6 is opened, so that the through hole 20 is in a conducting state. This level pressure ventilation assembly 6 can reach good wet effect that hinders, solves the prior art explosion-proof ventilation valve moisture permeability great, the easy dewfall problem in the sealed box under the great environmental condition of humidity and difference in temperature. And simultaneously, because the utility model discloses have good wet effect that hinders, make difficult dewfall in the seal box to need not to place drier, moisture absorption membrane paper in the box, solved drier, moisture absorption membrane paper and easily absorbed moisture and reach the saturation, the life-span is shorter and need often change, troublesome poeration and the higher problem of use cost. Additionally, the utility model discloses when using, need not to install electrolysis dehydrating unit additional in the seal box, can not be power consumptive promptly, solved the explosion-proof breather valve of prior art need install electrolysis dehydrating unit additional in the seal box and lead to the electric motor car battery power consumptive battery to lead to the battery to put the reduction of service life when parking to occupy the seal box inner space, make battery package space utilization reduce, be unfavorable for promoting the problem of power battery system energy density.
The guide rod 2 is fixedly connected with the piston 4 through threads, and the assembly is very convenient.
Referring to fig. 4-5, the piston 4 is provided with a first mounting groove 42, the waterproof breathable film 5 is mounted in the first mounting groove 42, and a press ring 43 is fixed in the first mounting groove 42, and the press ring 43 is pressed on the edge of the waterproof breathable film 5. Wherein, in the first mounting groove 42 of piston 4 was located through interference fit's mode to clamping ring 43, this clamping ring 43 compressed tightly fixed this waterproof ventilated membrane 5, guaranteed that waterproof ventilated membrane 5 steady mounting is in this piston 4. A cover plate 44 is fixed on the piston 4, the cover plate 44 covers the first mounting groove 42, a ventilation groove communicated with the first mounting groove 42 is arranged on the first mounting groove 42, and a gap is formed between the cover plate 44 and the body 1. The cover plate 44 can be fixed on the piston 4 by gluing, interference fit, riveting and the like, and protects the air-permeable membrane in the piston 4 from being damaged.
When the sealing device is used, a corresponding number of through holes are formed in the sealing box body 100, and the body 1 is fixedly arranged on the sealing box body 100 by selecting bolts; or, the body is provided with a plurality of mounting holes on the outer side of the first sealing ring 15, when in use, the sealing box body 100 is provided with a corresponding number of threaded holes, and the body 1 is fixedly mounted on the sealing box body by selecting bolts; or be, be equipped with the screw thread post on the body, directly lock or use supporting nut fixed mounting on sealed box, the utility model discloses can select above-mentioned arbitrary assembly methods to be fixed in on this sealed box 100 according to the demand of difference, and this first sealing washer 15 is extruded between this body 1 and sealed box 100, makes the utility model discloses form sealing contact with sealed box 100.
As shown in fig. 6-10, the constant pressure air-permeable assembly 6 includes a mounting plate 61 fixed at the other end of the guide rod 2, and a first moisture-blocking sheet 62 and a second moisture-blocking sheet 63 attached to two side surfaces of the mounting plate 61, wherein the mounting plate 61 is provided with a second air hole 611 and a third air hole 612, the first moisture-blocking sheet 62 covers the second air hole 611, and the second moisture-blocking sheet 63 covers the third air hole 612. The first moisture-proof sheet 62 and the second moisture-proof sheet 63 are both elastic rubber sheets made of rubber. In a normal state, the first moisture-blocking sheet 62 and the second moisture-blocking sheet 63 are respectively attached to two side surfaces of the mounting plate 61, and respectively seal the second vent hole 611 and the third vent hole 612.
The constant-pressure breathable assembly 6 has the following two assembling structures:
the first method comprises the following steps: as shown in fig. 6 to 7, the first moisture-blocking sheet 62 and the second moisture-blocking sheet 63 are fixed to the mounting plate 61 by two fixing members 64. In addition, in order to fix the first moisture-proof sheet 62 and the second moisture-proof sheet 63 with certain elasticity on the mounting plate more smoothly, the first moisture-proof sheet 62 is further provided with a first pressing sheet 65, and the first pressing sheet 65 is fixedly connected with the fixing member 64; the second moisture-proof sheet 63 is further provided with a second pressing sheet 66, and the second pressing sheet 66 is fixedly connected with the fixing member 64. That is to say, through pressing this first preforming 65 and second preforming 66 respectively on first wet piece 62 and the wet piece 63 of second hinder, make this first wet piece 62 and the wet piece 63 of second hinder laminate with the mounting panel more, assemble more steadily, and the leakproofness is better, hinders wet effect more ideal. Different air permeation pressures can be designed by adjusting the thickness and hardness of the first moisture-resistant sheet 62 and the second moisture-resistant sheet 63, the size of the first pressing sheet 65 and the second pressing sheet 66, and the like.
The mounting plate 61 is provided with two first mounting holes 601; correspondingly, the first moisture-proof sheet 62 is provided with two second mounting holes 602, the second moisture-proof sheet 63 is provided with two third mounting holes 603, the two fixing members 64 are rivets or protruding columns, and the fixing members 64 pass through the second mounting holes 602, the first mounting holes 601 and the second moisture-proof sheet 63, so that the first moisture-proof sheet 62 and the second moisture-proof sheet 63 are fixed on two sides of the mounting plate 61.
And the second method comprises the following steps: as shown in fig. 8 to 10, the first moisture-proof sheet 62 and the second moisture-proof sheet 63 are both designed to be circular, and the centers of the first moisture-proof sheet 62 and the second moisture-proof sheet 63 are fixed to the mounting plate 61 by a first fixing member 67 and a second fixing member 68, respectively. The first fixing member 67 and the second fixing member 68 are respectively fixed with the centers of the first moisture-blocking sheet 62 and the second moisture-blocking sheet 63, so that the assembly is stable, the attaching effect is good, and the attaching is smooth. The first fixing member 67 and the second fixing member 68 are both rivets or bosses. The first moisture-resistant sheet 62 and the second moisture-resistant sheet 63 may be the same in size or different in size, for example, the air holes (i.e., the third air holes 612) of the sealed box body and the second moisture-resistant sheet 63 may be smaller, which is more favorable for moisture resistance.
The utility model discloses under normal condition, piston 4 is under spring 3's elastic force effect, and the piston pastes and compresses tightly the second sealing washer with the second sealing washer, reaches sealed effect, plays dustproof, waterproof function. Additionally, the utility model discloses install on sealed box 100, when there is pressure differential inside and outside sealed box 100, gaseous through-hole 20 on mounting panel 61 and third bleeder vent 612, the guide arm, the first bleeder vent 41 of piston and waterproof ventilated membrane 5 ventilate to balanced sealed box 100 inside and outside pressure differential also can avoid the piston to frequently open. Furthermore, in a normal state, the first moisture-resisting sheet 62 and the second moisture-resisting sheet 63 are respectively attached to two side surfaces of the mounting plate 61, and the second air hole 611 and the third air hole 612 are respectively sealed, so that a moisture-resisting effect is achieved, and the problems that the moisture permeability of the explosion-proof valve in the prior art is high, and dew condensation is easily caused in a sealed box body under the environment conditions of humidity and large temperature difference are solved.
Referring to fig. 11, in a normal operating state, when the internal and external pressures of the sealed box 100 are balanced and the differential pressure is smaller than the opening pressure of the first moisture-blocking sheet 62 or the second moisture-blocking sheet 63, the through hole 20 on the guide rod is completely closed, so that the sealed box is dustproof and waterproof, and moisture-tight, and can prevent moisture from entering the box to form condensation in the sealed box.
Referring to fig. 12-13, which are schematic diagrams of the ventilation equilibrium pressure, when the difference between the internal pressure and the external pressure is greater than the opening pressure of the first moisture-blocking sheet 62 or the second moisture-blocking sheet 63, the first moisture-blocking sheet 62 or the second moisture-blocking sheet 63 is opened to ventilate, and balance the internal pressure and the external pressure of the sealed box 100. Specifically, in the positive pressure state, as shown in fig. 12, the internal pressure of the sealed box 100 is greater than the opening pressure of the first moisture-blocking sheet 62, and the internal pressure of the sealed box 100 is less than the explosion-proof point, the second moisture-blocking sheet 63 is in the state of sealing the third vent 612, and the gas is vented through the second vent 611 opened by the first moisture-blocking sheet 62, the vent passage, and the waterproof vent membrane 5, so that the venting balance pressure can be realized; in the negative pressure state, as shown in fig. 13, only when the internal pressure of the sealed box 100 is greater than the opening pressure of the second moisture-blocking sheet 63, the first moisture-blocking sheet 62 is in the state of sealing the second vent hole 611, and the gas is vented outwards and inwards through the third vent hole 612 opened by the inward opening second moisture-blocking sheet 63, the vent passage, and the waterproof breathable film 5, so that the ventilation balance pressure can be realized.
Combine fig. 14 to show, for explosion-proof state schematic diagram, as gaseous through outwards opening first second bleeder vent 611, ventilation channel, waterproof ventilated membrane 5 that hinder wet piece 62 and open outwards ventilative, when ventilative speed is not enough, the inside and outside pressure differential of sealed box 100 is greater than the utility model discloses a during explosion-proof pressure, gaseous direct exhaust hole 12 from body 1 promotes this piston 4 outwards to remove, makes the second sealing washer separation on piston and the body, forms the clearance of losing air to realize quick pressure release and exhaust, play explosion-proof function.
To sum up, the utility model discloses it is multi-functional as an organic whole such as pressure differential and separation moisture inside and outside collection explosion-proof pressure release, ventilative balanced seal box to simple structure, cost are lower, easily realize mass production and popularization and application.
Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.
Claims (10)
1. A novel explosion proof balanced valve, comprising: body (1), guide arm (2), spring (3), piston (4), this guide arm (2) wear to locate in this body (1) to with piston (4) fixed connection, and guide arm (2) and piston (4) distribute in this body (1) both sides, this spring (3) set up between guide arm (2) and body (1), its characterized in that:
the guide rod (2) is provided with a through hole (20) which penetrates through the guide rod, the through hole (20) is communicated with a first air hole (41) of the piston (4) to form an air permeable channel, the piston (4) is further provided with a waterproof air permeable membrane (5) which is used for covering the first air hole (41), the other end of the guide rod (2) is provided with a constant-pressure air permeable assembly (6), and the constant-pressure air permeable assembly (6) is plugged in the through hole (20).
2. The novel explosion-proof balanced valve of claim 1, characterized in that: the constant-pressure ventilation assembly (6) comprises a mounting plate (61) fixed at the other end of the guide rod (2) and a first moisture-resistant sheet (62) and a second moisture-resistant sheet (63) which are arranged on two side faces of the mounting plate (61) in a fitting manner, wherein the mounting plate (61) is provided with a second ventilation hole (611) and a third ventilation hole (612) which penetrate through the mounting plate, the first moisture-resistant sheet (62) covers the second ventilation hole (611), and the second moisture-resistant sheet (63) covers the third ventilation hole (612).
3. The novel explosion-proof balanced valve of claim 2, characterized in that: the first moisture-proof sheet (62) and the second moisture-proof sheet (63) are fixed on the mounting plate (61) through fixing pieces (64).
4. A novel explosion proof balanced valve as claimed in claim 3 wherein: the first moisture-resisting sheet (62) is also provided with a first pressing sheet (65), and the first pressing sheet (65) is fixedly connected with the fixing piece (64); the second moisture-resisting sheet (63) is also provided with a second pressing sheet (66), and the second pressing sheet (66) is fixedly connected with the fixing piece (64).
5. The novel explosion-proof balanced valve of claim 2, characterized in that: the first moisture-proof sheet (62) and the second moisture-proof sheet (63) are both circular, and the centers of the first moisture-proof sheet (62) and the second moisture-proof sheet (63) are fixed on the mounting plate (61) through a first fixing piece (67) and a second fixing piece (68) respectively.
6. The novel explosion-proof balanced valve according to any one of claims 1 to 5, characterized in that: the center of the body (1) is provided with a hole (11) for the guide rod (2) to pass through, a plurality of through exhaust holes (12) are formed in the periphery of the hole (11) of the body (1), and the piston (4) blocks the exhaust holes (12) under the action of the spring (3).
7. The novel explosion-proof balanced valve according to any one of claims 1 to 5, characterized in that: a first groove (13) and a second groove (14) are respectively installed on the front end face and the rear end face of the body (1), a first sealing ring (15) and a second sealing ring (16) are installed in the first groove (13) and the second groove (14) in an interference fit mode, a plurality of first convex hulls (151) and second convex hulls (152) are respectively formed on the inner side and the outer side of the first sealing ring (15), and the first sealing ring (15) partially protrudes out of the front side face of the body (1); the piston (4) is pressed against the second sealing ring (16).
8. The novel explosion-proof balanced valve according to any one of claims 1 to 5, characterized in that: the guide rod (2) is fixedly connected with the piston (4) through threads.
9. The novel explosion-proof balanced valve according to any one of claims 1 to 5, characterized in that: piston (4) are provided with first mounting groove (42), waterproof ventilated membrane (5) are installed in this first mounting groove (42), and first mounting groove (42) internal fixation has a clamping ring (43), and this clamping ring (43) are pressed on this waterproof ventilated membrane (5) edge.
10. The novel explosion-proof balanced valve of claim 9, characterized in that: be fixed with apron (44) on piston (4), this apron (44) lid is equipped with the ventilative groove of intercommunication on this first mounting groove (42), and is formed with the clearance between this apron (44) and body (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021542658.2U CN212226111U (en) | 2020-07-30 | 2020-07-30 | Novel explosion-proof balanced valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021542658.2U CN212226111U (en) | 2020-07-30 | 2020-07-30 | Novel explosion-proof balanced valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212226111U true CN212226111U (en) | 2020-12-25 |
Family
ID=73912169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021542658.2U Active CN212226111U (en) | 2020-07-30 | 2020-07-30 | Novel explosion-proof balanced valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212226111U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114530668A (en) * | 2022-04-24 | 2022-05-24 | 保定平恩康汽车技术有限公司 | Explosion-proof valve with waterproof, breathable and moisture-blocking functions and implementation method |
| CN114678651A (en) * | 2022-04-14 | 2022-06-28 | 北京科易动力科技有限公司 | Explosion-proof valve and battery pack with same |
| CN114744361A (en) * | 2022-04-14 | 2022-07-12 | 北京科易动力科技有限公司 | Ejector pin type explosion-proof valve and battery pack with same |
| CN115650158A (en) * | 2022-12-22 | 2023-01-31 | 浙江高成绿能科技有限公司 | Portable chemical hydrogen production equipment |
| WO2024066615A1 (en) * | 2022-09-29 | 2024-04-04 | 深圳市长盈精密技术股份有限公司 | Balance explosion-proof valve |
-
2020
- 2020-07-30 CN CN202021542658.2U patent/CN212226111U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114678651A (en) * | 2022-04-14 | 2022-06-28 | 北京科易动力科技有限公司 | Explosion-proof valve and battery pack with same |
| CN114744361A (en) * | 2022-04-14 | 2022-07-12 | 北京科易动力科技有限公司 | Ejector pin type explosion-proof valve and battery pack with same |
| CN114744361B (en) * | 2022-04-14 | 2024-04-19 | 北京科易动力科技有限公司 | Ejector pin type explosion-proof valve and battery pack with same |
| CN114678651B (en) * | 2022-04-14 | 2024-04-19 | 北京科易动力科技有限公司 | Explosion-proof valve and battery pack with same |
| CN114530668A (en) * | 2022-04-24 | 2022-05-24 | 保定平恩康汽车技术有限公司 | Explosion-proof valve with waterproof, breathable and moisture-blocking functions and implementation method |
| CN114530668B (en) * | 2022-04-24 | 2022-07-15 | 保定平恩康汽车技术有限公司 | Explosion-proof valve with waterproof, breathable and moisture-blocking functions and implementation method |
| WO2024066615A1 (en) * | 2022-09-29 | 2024-04-04 | 深圳市长盈精密技术股份有限公司 | Balance explosion-proof valve |
| CN115650158A (en) * | 2022-12-22 | 2023-01-31 | 浙江高成绿能科技有限公司 | Portable chemical hydrogen production equipment |
| CN115650158B (en) * | 2022-12-22 | 2023-04-28 | 浙江高成绿能科技有限公司 | Portable chemical hydrogen production equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212226111U (en) | Novel explosion-proof balanced valve | |
| CN111779866A (en) | Novel explosion-proof balanced valve | |
| JP7329700B2 (en) | Gas adsorption devices, end cap assemblies, single batteries, batteries and power-using devices | |
| CN113594623B (en) | Explosion-proof valve for battery pack | |
| CN214889117U (en) | Wet explosion-proof balanced valve of accuse | |
| CN210838500U (en) | Power distribution cabinet with moisture-proof drying function for electric transformer | |
| CN213660534U (en) | Battery pack shell, battery pack and electric vehicle | |
| CN212690962U (en) | Novel explosion-proof ventilation valve | |
| CN216958247U (en) | Waterproof gasket structure of battery | |
| CN113314775A (en) | Vehicle-mounted moisture-proof explosion-proof lithium ion storage battery box | |
| CN110600646A (en) | Battery box of electric forklift and electric forklift using battery box | |
| CN111341969A (en) | Explosion-proof ventilation valve device | |
| CN212625809U (en) | Battery cover plate and battery | |
| CN210073995U (en) | Protection safety check valve of double-deck safeguard function type | |
| CN209561483U (en) | A kind of lithium ion battery improving coating stability | |
| CN215119017U (en) | Vehicle-mounted moisture-proof explosion-proof lithium ion storage battery box | |
| CN220378964U (en) | Combined valve | |
| CN205752319U (en) | A kind of car emergency starts Battery case | |
| CN220060674U (en) | Novel liquid discharge explosion-proof valve | |
| CN217653307U (en) | Moisture-resistant air-permeable valve | |
| CN218236278U (en) | Be applied to wet, waterproof, dirt-proof ventilative device of laser radar accuse | |
| CN220470730U (en) | Flip type explosion-proof pressure release valve | |
| CN216430627U (en) | Explosion-proof valve with directional pressure relief and anti-blocking function | |
| CN221447253U (en) | Box, battery and power consumption device | |
| CN221379643U (en) | Explosion-proof valve of battery pack |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |