阅读说明：本技术 一体化双通道阀以及电池盖板 (integrated double-channel valve and battery cover plate ) 是由 曹启飞 李根雨 朴镇奎 周滢杰 孙威 郭恒志 金虎权 于 2019-11-20 设计创作，主要内容包括：本申请提供一种一体化双通道阀和电池盖板。所述一体化双通道阀包括第一单向阀和第二单向阀。所述第一单向阀包括第一通道,允许第一流体沿第一方向通过；所述第二单向阀包括第二通道允许第二流体沿第二方向通过。其中,所述第一单向阀同所述第二单向阀为一体化设计,所述第一单向阀和所述第二单向阀套在一起。所述一体化双通道阀安装在所述电池盖板上,在化成工序中,使用所述第一通道来抽真空,使用所述第二通道来注液,抽气和注液两条通道互不干扰,并且该一体化双通道阀具有自动密封的功能,在进行预化成、二次注液等工序时无需类似化成钉的反复插拔过程,节省了时间,也保证了化成过程中的密封问题。(The application provides integrated dual-channel valve and a battery cover plate, wherein the 0 integrated dual-channel valve comprises a 1 one-way valve and a second one-way valve, the 2 one-way valve comprises a 3 channel which allows fluid 4 to pass along the direction, and the second one-way valve comprises a second channel which allows the second fluid to pass along the second direction, wherein the one-way valve and the second one-way valve are designed for integration, the one-way valve and the second one-way valve are sleeved on , the integrated dual-channel valve is installed on the battery cover plate, in the formation process, the channel is used for vacuumizing, the second channel is used for injecting liquid, the two channels of air suction and liquid do not interfere with each other, and the integrated dual-channel valve has an automatic sealing function, and when procedures such as pre-formation and secondary-injection are carried out, repeated insertion and extraction processes similar to nail insertion and extraction processes are not needed, so that time is saved, and the sealing problem in the formation process is also guaranteed.)

1, kinds of ization binary channels valve, characterized by, include:

an check valve including a th passage, the th passage configured to allow a th fluid to pass in a th direction;

a second one-way valve comprising a second passage configured to allow a second fluid to pass in a second direction,

wherein, the check valve is integration with the second check valve, and the check valve and the second check valve are nested at .

2. The -split dual channel valve of claim 1, wherein the second check valve and the check valve are coaxially disposed.

3. The -pronged, two-way valve of claim 1, wherein the one-way valve includes:

an th spool, the th spool including a th coupling face and a second coupling face;

th base plate, th base plate includes third coupling face and fourth coupling face;

the elastic member of the th order,

wherein, the th coupling surface is coupled with the third coupling surface, the th end of the th elastic element abuts against the second coupling surface, and the second end of the th elastic element abuts against the fourth coupling surface, so as to generate th elastic force.

4. The -in-two passage valve of claim 3, wherein the spool is at least of a conical frustum and a cylindrical step.

5. The dual channel integrated valve as claimed in claim 3, wherein 1 external force is applied to said 0 th valve core in direction, said 4 th valve core moves in 5 direction when said 2 th external force is greater than said 3 th elastic force, said th coupling surface and said third coupling surface are decoupled, said th channel is opened, when said th external force is less than or equal to said th elastic force, said th valve core presses said th substrate, said th coupling surface and said third coupling surface are coupled, and said th channel is closed.

6. The -integrated dual channel valve of claim 1, wherein the second one-way valve comprises:

a second spool including fifth and sixth coupling surfaces;

a second substrate including a seventh coupling surface and an eighth coupling surface;

the second elastic piece is provided with a second elastic piece,

the fifth coupling surface is coupled with the seventh coupling surface, the th end of the second elastic element abuts against the sixth coupling surface, the second end of the second elastic element abuts against the eighth coupling surface, and the second elastic element generates a second elastic force.

7. The -bodied dual channel valve of claim 6, wherein the second spool is at least of a conical frustum and a cylindrical step.

8. The two-way valve of claim, wherein a second external force is applied to the second spool in a second direction, when the second external force is greater than the second elastic force and the second external force is less than or equal to the elastic force, the second spool moves in the second direction, the fifth coupling surface and the seventh coupling surface are decoupled, the second channel is opened, when the second external force is less than or equal to the second elastic force, the second spool presses the second base plate, the fifth coupling surface and the seventh coupling surface are coupled, and the second channel is closed.

9. The integrated dual channel valve of any one of claims 1-8 of claim , wherein the th elastomeric member has a stiffness greater than a stiffness of the second elastomeric member.

10. The integrated dual channel valve of any one of claims 1-8 of , wherein the th check valve further comprises a th seal, and the second check valve further comprises a second seal.

11. The two-way valve of claim 1, further comprising a bottom cover plate configured to connect the one-way valve and the second one-way valve.

12. The -integrated dual channel valve of claim 11, wherein the bottom cover plate includes at least through-holes through which the second fluid passes as it passes through the second channel.

13. The two-way valve of claim 11, wherein the bottom cover plate further comprises a groove into which an assembly tool is inserted to rotationally drive the one-way valve and the second one-way valve together at .

14, a battery cover plate comprising a -integrated dual channel valve of of any one of claims 1-8 and 11-13, said -integrated dual channel valve being secured to said battery cover plate.

15. The battery cover of claim 14, wherein the battery cover and the th base plate are coupled at .

Technical Field

The application relates to the field of lithium ion battery equipment, in particular to integrated double-channel valves and a battery cover plate provided with the integrated double-channel valve.

Background

At present, under the promotion of the existing policies and markets, the demand on the lithium ion power battery is increasing day by day, and meanwhile, higher requirements are provided for the mass production efficiency of the lithium ion power battery, in the current formation process, a liquid injection hole is formed in a cover plate of the lithium ion power battery, liquid injection is carried out from the liquid injection hole when the lithium ion power battery needs to be injected with liquid, the liquid injection hole needs to be plugged with a formation nail after th liquid injection, if secondary liquid injection is needed, the formation nail needs to be pulled out and then liquid is supplemented, the formation nail is inserted again after liquid supplementation, charge and discharge are carried out for times, the formation nail is pulled out after completion to pump out the interior of the battery core, and finally, a sealing nail and a PIN nail are inserted to completely seal the liquid injection hole.

Need plug many times in this process and become the nail, production efficiency can not obtain promoting, becomes sealed reliability and also can not obtain good assurance in the nail use, and becomes to change into sealed nail after the nail uses and need equipment to assemble again, has increased equipment cost.

Therefore, it is necessary to design devices for replacing the formed nails and a battery cover plate with the devices to solve the technical problem of inserting and pulling the formed nails for multiple times in the forming process.

Disclosure of Invention

What this application will solve is that it leads to production efficiency low to become the nail to plug many times in becoming the technology, influences the technical problem of sealing reliability.

To solve the above technical problem, the present application discloses an integrated dual channel valve, which includes a 0 th check valve including a th channel, wherein the th channel is configured to allow a th fluid to pass through in a th direction, and a second check valve including a second channel, wherein the second channel is configured to allow a second fluid to pass through in a second direction, wherein the th check valve and the second check valve are designed to be integrated, and the th check valve and the second check valve are sleeved on the .

In , the second check valve and the th check valve are coaxially disposed.

In embodiments, the check valve includes a valve core, the valve core includes coupling surface and a second coupling surface, a base plate, the base plate includes a third coupling surface and a fourth coupling surface, and an resilient member, wherein the 6 coupling surface and the third coupling surface are coupled, an end of the 7 resilient member abuts against the second coupling surface, a second end of the 9 resilient member abuts against the fourth coupling surface, the resilient member is in a compressed state, a 0 resilient force is generated, a 3 external force is applied to the 2 valve core in a 1 direction, when the external force is greater than the 5 resilient force, the 6 valve core moves in the direction, the surface and the third coupling surface are decoupled, the third resilient member opens, the third resilient member compresses the , or compresses the resilient member, and when the external force is less than the third coupling surface, the resilient member compresses the , and the resilient coupling surface is equal to the third resilient coupling surface, and the resilient member compresses the , when the third external force is greater than the third coupling surface, the resilient member presses the , the third resilient member, and the resilient member presses the coupling surface.

In embodiments, the spool is at least of a conical frustum and a cylindrical step.

In , the second check valve includes a second valve core including a fifth coupling surface and a sixth coupling surface, a second base plate including a seventh coupling surface and an eighth coupling surface, and a second elastic member, wherein the fifth coupling surface is coupled with the seventh coupling surface, a second end of the second elastic member abuts against the sixth coupling surface, a second end of the second elastic member abuts against the eighth coupling surface, the second elastic member is in a compressed state to generate a second elastic force, a second external force is applied to the second valve core in a second direction, when the second external force is greater than the second elastic force and the second external force is less than or equal to the elastic force, the second valve core moves in the second direction, the fifth coupling surface is decoupled from the seventh coupling surface, the second channel is opened, and when the second external force is less than or equal to the second elastic force, the second valve core presses the second base plate, the fifth coupling surface and the seventh coupling surface are closed.

In embodiments, the second spool is at least of a conical frustum and a cylindrical step.

In embodiments, the th resilient member has a stiffness greater than a stiffness of the second resilient member.

In embodiments, the check valve further includes a seal and the second check valve further includes a second seal.

In embodiments, the integrated dual channel valve may further include a bottom cover plate configured to connect the th check valve and the second check valve.

In embodiments, the bottom cover plate includes at least through-holes through which the second fluid passes when passing through the second channel.

In , the bottom cover plate may further include a groove into which an assembly tool is inserted to rotationally drive the th check valve and the second check valve into connection.

The application also discloses kinds of battery apron, this application ization binary channels valve is fixed on the battery apron.

In embodiments, the battery cover plate and the base plate are coupled.

ization binary channels valve through mechanical structure's special design, forms into evacuation and notes the binary channels of liquid mutual noninterference in the process, and every independent passageway all can be under spring action self-closing, and the sealing performance after the passageway is closed has been guaranteed in the design of sealing member, need not the repeated plug process that the likeization becomes the nail when going on to become in advance, processes such as secondary notes liquid, has saved the time, has also guaranteed to become the sealing function of in-process.

, the integrated dual channel valve of the present application can be manufactured in a modular fashion to accommodate different caps.

step, this application ization binary channels valve with the battery apron only needs times assembly, can save plug in the production process and become the station of nail, has saved equipment cost.

Drawings

FIG. 1 is an assembly view of a integrated dual channel valve and a battery cover plate of the embodiments of the present application;

FIG. 2 is a block diagram of a integrated dual channel valve of the present application ;

FIG. 3 is a block diagram of a check valve of some embodiments of the present application ;

FIG. 4 is a block diagram of a second one-way valve according to some embodiments of the present application ;

FIG. 5 is a cross-sectional view of the integrated dual channel valve of embodiments of the present application;

FIG. 6 is a diagram of the construction of the bottom cover plate according to some embodiments of the present application ;

FIG. 7 is a block diagram of a integrated dual channel valve of some embodiments of the present application .

Detailed Description

Various modifications to the disclosed embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments and applications without departing from the spirit and scope of the present disclosure.

For example, as used herein, the terms "including," "comprising," and/or "containing" when used in this specification mean that the associated integers, steps, operations, elements, and/or components are present, but do not preclude the presence or addition of or more other features, integers, steps, operations, elements, components, and/or groups thereto, and the terms "A on B" when used in this specification means that A is directly adjacent to (above or below) B, and may also mean that A is indirectly adjacent to B (i.e., the term A within B may also separate from B by the term substance), and "A" may be within B may mean that A is within B, or may be within B.

These and other features of the present disclosure, as well as the operation and function of the related elements of structure and the combination of parts and economies of manufacture, will become more apparent upon consideration of the following description with reference to the accompanying drawings, all of which form a part of the portion of this disclosure.

The following description may significantly improve these and other features of the disclosure, as well as the operation and function of the related elements of structure, and the economic efficiency of combination and manufacture of components, all of which form part of the disclosure with reference to the accompanying drawings.

FIG. 1 is an assembly view of a integrated dual-way valve 100 and a battery cover plate 200 in the embodiments of , FIG. 2 is a diagram of a integrated dual-way valve 100 in the embodiments of , and the integrated dual-way valve 100 can be applied to different occasions, for example, the integrated dual-way valve 100 can be installed on a lithium battery cover plate and configured as a liquid filling hole of a lithium battery, and particularly, the integrated dual-way valve 100 can comprise a one-way valve 300 and a second one-way valve 400.

The check valve 300 is designed to be integrated with the second check valve 400, the check valve 300 and the second check valve 400 are sleeved on the , the check valve 300 can be sleeved outside the second check valve 400, and the check valve 300 can be sleeved inside the second check valve 400. for convenience of explanation, the check valve 300 is sleeved outside the second check valve 400 to describe the invention, in embodiments, the second check valve 400 and the check valve 300 are coaxially arranged, and of course, the second check valve 400 can be arranged non-coaxially with the check valve 300 without departing from the core spirit of the invention.

The integrated binary passage valve 100 may further include a bottom cover plate 500, the bottom cover plate 500 configured to connect the th check valve 300 and the second check valve 400, the bottom cover plate 500 may also be integrated with the th check valve 300 or the second check valve 400 or any or pieces of the battery cover plate 200, etc. in completing the integrated binary passage function, the structure and function of the bottom cover plate 500 will be described in more detail elsewhere herein.

FIG. 3 is a block diagram of check valve 300 in some embodiments of according to the invention. 0 check valve 300 may include 1 channel 310. 2 channel 310 is configured to allow 3 fluid to pass in 4. 5 fluid may be liquid, fluid may be gas, such as air, etc. may be in any direction along channel 310. for example, when two-way valve 100 is the fill port of a battery and fluid is air, vacuum pumps may be used to pump outside of battery cover 200, fluid is moved in the inside of the battery → outside of the battery direction, and channel 310 is the bleed channel.

In embodiments, the check valve 300 may include a th spool 320, a th base plate 330, and a th resilient member 340.

th base plate 330 may include a through hole 333, th valve element passing through the through hole 333, th base plate 330 may be a separate component, for example, in fig. 3, th base plate 330 is a valve element retaining ring, th base plate 330 may also feature other components, for example, in fig. 7, th base plate 330 is a location and/or support step on battery cover 200.

The th spool 320 may include a th coupling surface 321 and a second coupling surface 322, the 0 th base plate 330 may include a third coupling surface 331 and a fourth coupling surface 332, the 1 th coupling surface 321 and the third coupling surface 331 are coupled, in 2 embodiments, the 3 th spool 320 is at least 4 of a conical table and a cylindrical step table, for example, in fig. 3, the 5 th spool 320 is a conical table, the 6 th coupling surface 321 is a conical surface of the conical table, the third coupling surface 331 of the th base plate 330 coupled with the coupling surface 321 is also a conical surface, for example, in fig. 7, the th spool 320 is a cylindrical step table, in which case, the th coupling surface 321 is planes of the cylindrical step table, the third coupling surface of the th base plate 330 coupled with the th coupling surface 321 is also a planar surface, and the third coupling surface 331 may be a planar surface , of course, similar structures.

The end of the th elastic element 340 abuts against the second coupling surface 322, the second end of the 0 th elastic element 340 abuts against the fourth coupling surface 332, the th elastic element 340 is clamped between the second coupling surface 322 and the fourth coupling surface 332 in a compressed state, so that elastic force of the th elastic force is generated, the direction of the th elastic force is the direction of pushing the second coupling surface 322 away from the fourth coupling surface 332, namely the direction opposite to the th direction F in FIG. 3, namely the th direction F is the direction of increasing the elastic force of the th elastic force, therefore, when no other external force is applied, the th coupling surface 321 and the third coupling surface 331 are in a pressed state due to the elastic force of the th elastic force.

The th elastic member 340 is configured to drive the th valve core 320 and the th base plate 330 to form the th passage 310 under an external force, the th elastic member 340 may be a spring, the rd elastic member 340 may be another elastic member, and so on, the th elastic force may be a tensile force or a compressive force, for example, in fig. 3, the th elastic member 340 is a spring, and the th elastic member 340 is a compressive force of the spring, when an external force th is applied to the th valve core 320 in the 7 direction, when the external force th is greater than the th elastic force, the th valve core 320 moves in the th direction, the th coupling surface 321 and the third coupling surface 331 are decoupled, the th passage 310 is opened, when the external force th is less than or equal to the th elastic force, the 82 th valve core 320 presses the th base plate 330, the th coupling surface and the third coupling surface 86331 to close the coupling passage 310.

FIG. 4 is a block diagram of a second check valve 400 in embodiments according to the invention, the second check valve 400 may include a second channel 410, the second channel 410 may be configured to allow a second fluid to pass through in a second direction, the second fluid may be a liquid, the second liquid may also be a gas, the second direction may be arbitrary, the second direction may be the same as the direction, the second direction may also be different from the direction, the second fluid and the fluid may be different fluids, such as the fluid is air, the second fluid is an electrolyte, the fluid and the second fluid may also be the same, such as the fluid and the second fluid are both water.

In embodiments, the second one-way valve 400 may include a second valve core 420, a second base 430, and a second resilient member 440.

The second base plate 430 may be pieces connected by different parts, for example, in FIG. 4, the second base plate 430 is pieces connected by the bottom cover plate 500 and the valve element 320. the second base plate 430 may also be integrated with the one-way valve 300 or or pieces of the battery cover plate 200, for example, in FIG. 7, the second base plate 430 and the valve element 320 are integrated, and the second base plate 430 may also be the valve element 320 itself.

The second valve spool 420 may include a fifth coupling surface 421 and a sixth coupling surface 422, the second base plate 430 may include a seventh coupling surface 431 and an eighth coupling surface 432, the fifth coupling surface 421 and the seventh coupling surface 431 are coupled, in embodiments, the second valve spool 420 is at least of a conical frustum and a cylindrical step, for example, in fig. 4, the second valve spool 420 is a conical frustum, the fifth coupling surface 421 is a conical surface of the conical frustum, and the seventh coupling surface 431 of the second base plate 430 coupled to the fifth coupling surface 421 is a conical surface, for example, in fig. 7, the second valve spool 420 is a cylindrical step, in which case, the fifth coupling surface 421 is planes of the cylindrical step, and the seventh coupling surface 431 of the second base plate 430 coupled to the fifth coupling surface 421 is also a plane.

The second elastic member 440 is compressed between the sixth coupling surface 422 and the eighth coupling surface 432, thereby generating a second elastic force, wherein the second elastic force is in a direction of pushing the sixth coupling surface 422 away from the eighth coupling surface 432, i.e., in a direction opposite to the second direction F in FIG. 4, i.e., in a direction in which the second elastic force is increased, so that the fifth coupling surface and the seventh coupling surface are pressed together by the second elastic force when no other external force is applied.

For example, in fig. 4, the second elastic member 440 is a spring, and the second elastic force is a compression force of the spring, and when the second external force is applied to the second valve spool 420 in the second direction, and the second external force is greater than the second elastic force and is less than or equal to the second elastic force , the second valve spool 420 moves in the second direction, the fifth coupling surface 421 and the seventh coupling surface 431 are decoupled, and the second channel 410 is opened, and when the second external force is less than or equal to the second elastic coupling force, the second valve spool 420 presses the second base plate 430, the fifth coupling surface 421 and the seventh coupling surface 431 are coupled, and the second channel 410 is closed.

In the embodiments, the -th resilient member 340 has a stiffness greater than that of the second resilient member 440, for example, in fig. 5, the -th resilient member 340 and the second resilient member 440 are both springs, the -th base plate 330 is a valve core positioning ring fixedly connected to the battery cover plate 200, the -th valve core 320 and the bottom cover plate 500 are fixedly connected to form the second base plate 430, when a second external force is applied to the second valve core 420, the second external force is greater than the second resilient force, and the external force is less than the -th resilient force, the second resilient member 440 is elastically deformed to increase, the -th resilient member 340 is elastically deformed to not increase, the second channel 410 is opened, and the -th channel 310 is closed, of course, in the embodiments, the stiffness of the -th resilient member 340 may be less than or equal to that of the second resilient member 440, for example, when the 2-th resilient member 340 and the second resilient member 440 are both springs, the -base plate 330 and the second base plate 430 are both springs 200, the second resilient member 340 may be more than the stiffness of the resilient member -fifth resilient member 340, and the resilient member 340 may be equal to the resilient member 6853-second resilient member 440, and the like.

In embodiments, the check valve 300 may further include a seal 360 and the second check valve 400 may further include a second seal 460.

The th seal 360 may be designed to enhance the sealing effect of the th passage 310 after it is closed, the th seal 360 may be an O-ring seal, as shown in fig. 5, the th seal 360 may also be a seal coating applied to the surface of the th spool 320 and/or the th base plate 330, and so on.

The second seal 460 may be designed to enhance the sealing effect after the second channel closure 410 is closed. The second seal 460 may be an O-ring seal; the second sealing member 460 may also be a sealing coating applied to the surface of the second valve core 420 or the second substrate 430; the second sealing element 460 may also be the second valve core 420 or the second substrate 430 itself, for example, in fig. 5, the second valve core 420 is a composite of injection molding and metal, the upper end umbrella structure is made of plastic material, which provides better sealing performance, the lower end is made of metal material, which is not easily worn, and the like, and is matched with the second spring 440.

In , the bottom cover plate 500 may include at least through holes 510, and the through holes 510 are configured to ensure the penetration of the second channel 410. the cross section of the through holes 510 may be any shape, for example, in fig. 6, the cross section of the through holes 510 is a circular arc kidney shape.

In , the bottom cover plate 500 may further include a groove 520. the insertion of an assembly tool into the groove 520 rotationally drives the th check valve 300 and the second check valve 400 to be connected to for ease of operation, the groove 520 may be a -shaped groove, such as shown in fig. 6, the groove 520 may be a cross-shaped groove, and so on.

Fig. 1 also shows a battery cover 200 in embodiments of the present application, the integrated dual channel valve 100 is secured to the battery cover 200, which may be threaded, welded, glued, interference fit, etc.

In , the battery cover 200 and base 330 are coupled at . for example, in FIG. 5, the battery cover 200 includes stepped steps for positioning, the base 330 abuts against the stepped steps and is then welded securely. for example, in FIG. 7, the battery cover 200 and the base 330 are integration design, and so on.

In conclusion, upon reading the present detailed disclosure, those skilled in the art will appreciate that the foregoing detailed disclosure can be presented by way of example only, and not limitation. Those skilled in the art will appreciate that the present application is intended to cover various reasonable variations, adaptations, and modifications of the embodiments described herein, although not explicitly described herein. Such alterations, improvements, and modifications are intended to be suggested by this disclosure, and are within the spirit and scope of the exemplary embodiments of this disclosure.

For example, " embodiments," "embodiments," and/or " embodiments" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least embodiments of the present disclosure.

It should be appreciated that in the foregoing description of embodiments of the disclosure, various features are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure, or they may be grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure.

In embodiments, numbers expressing quantities or properties used to describe and claim certain embodiments of the application are to be understood as modified in some instances by the terms "about", "approximately" or "substantially". The terms such as "about", "approximately" or "substantially" may mean a variation of ± 20% of the value it describes.

For example, if a document is now or later associated with this document, if any term associated with any of the included materials is described, defined, and/or used that is not or conflict with any term associated with this document, the term in this document shall be used to control the operation of the document.

Finally, it should be understood that the embodiments of the application disclosed herein are illustrative of the principles of the embodiments of the present application. Other modified embodiments are also within the scope of the present application. Accordingly, the disclosed embodiments are presented by way of example only, and not limitation. Those skilled in the art may implement the present application in alternative configurations according to the embodiments of the present application. Thus, embodiments of the present application are not limited to those embodiments described with precision in the application.