CN207937120U - Battery case air charging system and air-tightness detection device - Google Patents
Battery case air charging system and air-tightness detection device Download PDFInfo
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- CN207937120U CN207937120U CN201820340437.3U CN201820340437U CN207937120U CN 207937120 U CN207937120 U CN 207937120U CN 201820340437 U CN201820340437 U CN 201820340437U CN 207937120 U CN207937120 U CN 207937120U
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- battery case
- valve body
- charging system
- air
- ring flange
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Abstract
The utility model embodiment discloses a kind of Battery case air charging system and air-tightness detection device, wherein Battery case air charging system includes：Valve body and ring flange for being connect with Battery case air inlet have through-hole on the ring flange, and the inlet end of the valve body with supply air line for connecting, and the outlet side of the valve body is connect with the through-hole, to be inflated into the Battery case.It can increase air inflow using the utility model embodiment, solve the problems, such as that Battery case is inflated slow, realizes the fast aeration of Battery case, improves the air-leakage test efficiency of Battery case, and simple in structure, it is small, it is easy to produce and use.
Description
Technical field
The utility model is related to automobile technical fields, and in particular to a kind of Battery case air charging system and air-leakage test dress
It sets.
Background technology
Critical component of the power battery pack as electric vehicle, the requirement to its structure and performance is all very high, wherein electricity
The design and leakproofness of pond babinet are also vital.Existing Battery case must satisfy IP67 (Ingress
Protection Rating, protection safety rank) sealing test requirement.Mainly have with lower section about box body tightness detection
Formula：Battery case is sealed tightly, blocks all plug connector holes by first method, submerging test, and entire Battery case is complete
It is immersed in the water, sees whether that effervescent, submergence are taken out after a certain period of time, open upper cover, check in Battery case whether soak；The
Two kinds of methods, air-tight test cover tightly Battery case upper cover, using one of plug connector hole as air admission hole, by remaining grafting
Part hole is blocked, and using air gauge control pressure, is inflated into Battery case, and the place of gas leakage is checked whether there is with suds.The
A kind of method is complicated for operation, need to spend a large amount of manpowers, material resources, so typically now using second method.But use second
Kind method, since the volume of many Battery cases is larger, and the Air permenbility in plug connector hole is very small, causes to inflate to Battery case
The plenty of time is needed, detection efficiency is low.
Utility model content
In view of this, a kind of Battery case air charging system of the utility model embodiment proposition and air-tightness detection device, with
Solve above-mentioned technical problem.
The utility model embodiment proposes a kind of Battery case air charging system comprising：It valve body and is used for and Battery case
The ring flange of air inlet connection has through-hole on the ring flange, and the inlet end of the valve body with supply air line for connecting, institute
The outlet side for stating valve body is connect with the through-hole, to be inflated into the Battery case.By the way that valve body and ring flange, flange is arranged
Disk is mounted on Battery case air inlet, is inflated into Battery case by valve body, it is possible to increase air inflow solves Battery case
Slow problem is inflated, fast aeration is realized, improves air-leakage test efficiency, and the Battery case air charging system structure letter
It is single, small, easy to produce and use.
Optionally, further include sealing ring for gap between sealing flange and Battery case, the ring flange direction
Annular groove is provided in the plate face of the valve body, the sealing ring is embedded in the annular groove.By the way that sealing ring is arranged, can incite somebody to action
Clearance seal between ring flange and Battery case improves the injection efficiency of Battery case, realizes the quick gas injection of Battery case.
Optionally, the plate face of the ring flange towards the valve body is additionally provided with multiple peaces for being connect with Battery case
The efficiency of loading and unloading of ring flange is improved in dress hole to facilitate the handling between ring flange and Battery case, to further improve electricity
The air-leakage test efficiency of pond babinet.
Optionally, the multiple mounting hole is uniformly distributed along the circumferential direction of the ring flange, so that the surrounding of ring flange
Stress balance ensures the connective stability of ring flange and Battery case.
Optionally, the multiple mounting hole is located inside the sealing ring, to ensure between Battery case and ring flange
Leakproofness.
Optionally, further include dustproof cover, the dustproof cover the cover is on the inlet end of the valve body.It is inflated in Battery case
Device work after the completion of, the inlet end of valve body is covered using dustproof cover, the inlet end that dust enters valve body can be reduced, block into
Gas end extends the service life of Battery case air charging system.
Optionally, the outlet side of the valve body is welded on the through-hole.Through-hole on the outlet side and ring flange of valve body
Welding, can not only reduce manufacturing cost, also may make Battery case air charging system that can bear larger pressure, avoid battery
Babinet air charging system is damaged because admission pressure is excessive.
Optionally, the outlet side of the valve body is spirally connected with the through-hole, can facilitate the handling between valve body and ring flange, carry
Joint efficiency between high valve body and ring flange.
Optionally, the valve body is that air-conditioning fills valve body or valve valve body, without in addition reprocessing special work
Dress reduces production cost, and maturation is applied in the prior art for air-conditioning filling valve body or valve valve body, in performance
It is very secure.
The utility model embodiment also provides a kind of air-tightness detection device comprising Battery case and above-mentioned battery case
Body air charging system offers air inlet on the Battery case, and the ring flange is mounted on inside Battery case, the valve body
Inlet end is pierced by by the air inlet, it is possible to increase air inflow solves the problems, such as that Battery case is inflated slow, realizes and quickly fills
Gas improves air-leakage test efficiency, and simple in structure, small, easy to produce and use.
The utility model embodiment provide Battery case air charging system and air-tightness detection device by be arranged valve body and
Ring flange, ring flange are mounted on Battery case air inlet, are inflated into Battery case by valve body, it is possible to increase air inflow, solution
Battery case of having determined inflates slow problem, realizes the fast aeration of Battery case, improves air-leakage test efficiency, and should
Battery case air charging system is simple in structure, small, easy to produce and use.
Description of the drawings
Fig. 1 is the front view of the Battery case air charging system of the utility model embodiment.
Fig. 2 is the vertical view of Fig. 1.
Specific implementation mode
Below in conjunction with attached drawing and specific embodiment, the technical solution of the utility model is described in detail.Wherein phase
Same parts are presented with like reference characters.It should be noted that word "front", "rear" used in the following description,
"left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" are referred respectively to towards or away from specific
The direction at component geometry center.
Embodiment one
Fig. 1 shows the front view for the Battery case air charging system that the utility model embodiment provides,
Fig. 2 shows the vertical views of Fig. 1.
As illustrated in fig. 1 and 2, the Battery case air charging system that the utility model embodiment provides comprising：Valve body 1 and use
In having through-hole on the ring flange 2 being connect with Battery case air inlet, ring flange 2, the inlet end of valve body 1 is used for and supply air line
Connection, the outlet side of valve body 1 is connect with through-hole, to be inflated into Battery case.
When Battery case air charging system works, an air inlet is opened up on Battery case, and ring flange 2 is mounted on battery case
On the air inlet of body, inflated into Battery case by valve body 1.
The Battery case air charging system that the utility model embodiment provides is by being arranged valve body and ring flange, ring flange installation
It on Battery case air inlet, is inflated into Battery case by valve body, it is possible to increase it is slow to solve Battery case inflation for air inflow
The problem of, the fast aeration of Battery case is realized, air-leakage test efficiency, and the Battery case air charging system knot are improved
Structure is simple, small, easy to produce and use.
Embodiment two
On the basis of the above embodiment 1, optionally, Battery case air charging system further includes sealing flange 2 and battery
The sealing ring 3 in gap between babinet, towards annular groove is provided in the plate face of valve body 1, sealing ring 3 is embedded in annular groove ring flange
It is interior.By the way that sealing ring 3 is arranged, the gas injection effect of Battery case by the clearance seal between ring flange 2 and Battery case, can be improved
Rate realizes the quick gas injection of Battery case.
Further, as shown in Fig. 2, the plate face of ring flange 2 towards valve body 1 is additionally provided with for connecting with Battery case
Multiple mounting holes 21.
Accordingly, multiple pilot holes are provided on Battery case, ring flange 2 passes through pilot hole and battery case by fastener
Body connects.Ring flange 2 is connect with Battery case by fastener, and the handling between ring flange 2 and Battery case can be facilitated, and is improved
The efficiency of loading and unloading of ring flange 2, to further improve the air-leakage test efficiency of Battery case.In the present embodiment, it installs
Hole 21 is threaded hole, and fastener can be bolt, screw etc..
Preferably, mounting hole 21 is blind hole, can prevent 2 gas leakage of ring flange, ensure the leakproofness of Battery case.
Optionally, multiple mounting holes 21 are uniformly distributed along the circumferential direction of ring flange 2, so that the surrounding stress balance of ring flange 2,
Ensure the connective stability of ring flange 2 and Battery case.In the present embodiment, the quantity of mounting hole 21 is four.
In a preferred embodiment of the utility model embodiment, ring flange 2 is cuboid, and ring flange 2 is perpendicular to it
The section of thickness direction is square, and is all provided on square four corners and is set to chamfering, to work when preventing ring flange 2 from installing
It is damaged as personnel, improves the safety coefficient of operation.As shown in Fig. 2, valve body 1, perpendicular to ring flange 2, four mounting holes 21 divide
On four corners that Wei Yu be not square.
Further, as shown in Fig. 2, multiple mounting holes 21 are respectively positioned on the inside of sealing ring 3, to ensure Battery case and method
Leakproofness between blue disk 2.
Preferably, Battery case air charging system further includes dustproof cover 4,4 the cover of dustproof cover is on the inlet end of valve body 1.
After the completion of the work of Battery case air charging system, the inlet end of valve body 1 is covered using dustproof cover 4, dust can be reduced and enter valve body 1
Inlet end, block inlet end, extend Battery case air charging system service life.
Optionally, the outlet side of valve body 1 is welded on through-hole.The outlet side of valve body 1 is welded with the through-hole on ring flange 2,
Manufacturing cost can not only be reduced, also may make Battery case air charging system that can bear larger pressure, avoid Battery case
Air charging system is damaged because admission pressure is excessive.
In another preferred embodiment of the utility model, outlet side and the through-hole of valve body 1 are spirally connected, to facilitate valve body 1
With the handling between ring flange 2, the joint efficiency between valve body 1 and ring flange 2 is improved.
In a preferred embodiment of the utility model, valve body 1 is that air-conditioning fills valve body or valve valve body,
In, air-conditioning filling valve body itself is widely used in coolant injection in automotive air-conditioning system.Use sky in the prior art
Filling valve body or valve valve body are adjusted, without in addition reprocessing special tooling, reduces production cost, and air-conditioning fills
Maturation is applied in the prior art for valve body or valve valve body, very secure in performance.
Embodiment three
The utility model embodiment also provides a kind of air-tightness detection device comprising Battery case and such as embodiment one or
Battery case air charging system in person's embodiment two.
As illustrated in fig. 1 and 2, air inlet is offered on Battery case, ring flange 2 is mounted on inside Battery case, valve body 1
Inlet end is pierced by by air inlet.The internal diameter of through-hole is about 7mm on ring flange 2, and the internal diameter of air inlet can be 16mm, through-hole and into
The internal diameter of gas port is much larger than the internal diameter for patching fitting hole.Valve body 1 is mounted on the through-hole of ring flange 2.
When air-tightness detection device works, Battery case air charging system can be mounted on Battery case, the air inlet of valve body 1
End is connect with supply air line, is inflated into Battery case by the outlet side of valve body 1, checks whether Battery case leaks with suds
Gas.
The air-tightness detection device that the utility model embodiment provides is mounted on by the way that valve body and ring flange, ring flange is arranged
It on Battery case air inlet, is inflated into Battery case by valve body, it is possible to increase air inflow solves Battery case and inflates slowly
Problem realizes the fast aeration of Battery case, improves the air-leakage test efficiency of Battery case, and simple in structure, body
Product is small, easy to produce and use.
More than, the technical solution of the utility model is described in detail in conjunction with specific embodiments, it is described specific
Embodiment is used to help understand the thought of the utility model.Those skilled in the art are on the basis of the utility model specific embodiment
On the derivation made and modification also belong within scope of protection of the utility model.
Claims (10)
1. a kind of Battery case air charging system, which is characterized in that including：Valve body and method for being connect with Battery case air inlet
Blue disk has through-hole on the ring flange, and the inlet end of the valve body with supply air line for connecting, the outlet side of the valve body
It is connect with the through-hole, to be inflated into the Battery case.
2. Battery case air charging system as described in claim 1, which is characterized in that further include being used for sealing flange and battery
The sealing ring in gap between babinet, for the ring flange towards annular groove is provided in the plate face of the valve body, the sealing ring is embedding
It is located in the annular groove.
3. Battery case air charging system as claimed in claim 2, which is characterized in that plate of the ring flange towards the valve body
Face is additionally provided with multiple mounting holes for being connect with Battery case.
4. Battery case air charging system as claimed in claim 3, which is characterized in that the multiple mounting hole is along the method
The circumferential direction of blue disk is uniformly distributed.
5. Battery case air charging system as claimed in claim 4, which is characterized in that the multiple mounting hole is located at the sealing
Circle inside.
6. Battery case air charging system according to any one of claims 1 to 5, which is characterized in that further include dustproof cover, it is described anti-
Dirt housing covers on the inlet end of the valve body.
7. Battery case air charging system according to any one of claims 1 to 5, which is characterized in that weld the outlet side of the valve body
On the through-hole.
8. Battery case air charging system according to any one of claims 1 to 5, which is characterized in that the outlet side of the valve body and institute
Through-hole is stated to be spirally connected.
9. Battery case air charging system according to any one of claims 1 to 5, which is characterized in that the valve body is air-conditioning charging valve
Valve body or valve valve body.
10. a kind of air-tightness detection device, which is characterized in that the electricity including Battery case and as described in claim 1-9 is any
Pond babinet air charging system offers air inlet on the Battery case, and the ring flange is mounted on inside Battery case, the valve
The inlet end of body is pierced by by the air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820340437.3U CN207937120U (en) | 2018-03-13 | 2018-03-13 | Battery case air charging system and air-tightness detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820340437.3U CN207937120U (en) | 2018-03-13 | 2018-03-13 | Battery case air charging system and air-tightness detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207937120U true CN207937120U (en) | 2018-10-02 |
Family
ID=63654521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820340437.3U Active CN207937120U (en) | 2018-03-13 | 2018-03-13 | Battery case air charging system and air-tightness detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207937120U (en) |
-
2018
- 2018-03-13 CN CN201820340437.3U patent/CN207937120U/en active Active
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