CN217056744U - Battery end water quick change device and battery package - Google Patents

Abstract

The utility model relates to a battery technology field specifically provides a battery end water quick change device and battery package, aims at solving the problem that current battery end water quick change device is bulky, the flow resistance is high. Therefore, the utility model discloses a battery end water quick change device includes unable adjustment base, the connecting element, quick change plug and unsteady subassembly, the first portion of connecting element passes the fixed orifices on the unable adjustment base and links to each other with unsteady subassembly, unsteady subassembly is including fixed outer tube and unsteady inner tube, fixed outer tube and unable adjustment base fixed connection, the cover is all established in fixed outer tube to at least partly of unsteady inner tube and the first portion of connecting element, the quick change plug links to each other with unsteady inner tube, the stop member that floats that sets up on the lateral wall of unsteady inner tube can remove in the unsteady groove of the common formation of first portion by fixed outer tube and connecting element, so that the utility model discloses a battery end water quick change device just can realize absorbing water flow direction tolerance's effect through shorter pipeline.

Description

Battery end water quick change device and battery package

Technical Field

The utility model relates to a battery technology field specifically provides a battery end water quick change device and battery package.

Background

The waterway part of the battery replacement system has strict stability requirements, and the structures of connecting the vehicle body end and the battery end or connecting the water outlet pipeline of the battery end to the water cooling plate in the battery pack need to have enough tolerance to absorb the deviation of the position or the assembly tolerance. However, because the Z-direction accumulated tolerance of the upper cover plate of the battery pack, the water quick-change device, the water pipe, the water gap and other parts is large, the existing battery end water quick-change device is difficult to absorb the tolerance only by the short water pipe, therefore, the existing battery end water quick-change device usually comprises a water pipe which is provided with a plurality of bends and at least two right angles, the total length of the water pipe is far greater than the total thickness of the battery pack, the structure setting mode not only can lead to the high cost of the battery pack, but also can lead to the overlarge volume of the battery pack, and the long endurance performance can not be provided for the electric automobile.

Accordingly, there is a need in the art for a new battery end water quick change device and battery pack that addresses or alleviates to some extent the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving or alleviate above-mentioned technical problem to a certain extent, promptly, current battery end water quick change device is bulky, the high problem of flow resistance.

In a first aspect, the present invention provides a quick-change device for battery water, the quick-change device for battery water comprises a fixed base, a connecting member, a quick-change plug and a floating assembly, the fixed base is provided with a fixed hole, a first portion of the connecting member passes through the fixed hole and is connected with the floating assembly, the floating assembly comprises a fixed outer tube and a floating inner tube, the fixed outer tube is fixedly connected with the fixed base, at least a portion of the floating inner tube and a first portion of the connecting member are both sleeved in the fixed outer tube, the quick-change plug is connected with the floating inner tube, a floating limiting member is arranged on the outer side wall of the floating inner tube, the fixed outer tube and the first portion of the connecting member form a floating groove together, the floating limiting member can move in the floating groove, so that the floating inner tube can axially float relative to the fixed outer tube, a first channel is formed in the connecting component, a second channel communicated with the first channel is formed in the floating inner tube, and a third channel communicated with the second channel is formed in the quick-change plug.

In an alternative embodiment of the quick-change device for battery end water, an end of the outer fixing tube away from the fixing base extends radially inward to form an inverted structure, and the inverted structure, a part of an inner side wall of the outer fixing tube, and an end surface of the first portion of the connecting member away from the fixing base together form the floating groove.

In an optional technical solution of the above battery end water quick-change device, the floating assembly further includes an elastic corrugated tube, two ends of the elastic corrugated tube are respectively connected to the floating inner tube and the quick-change plug, the elastic corrugated tube is configured to enable the quick-change plug to move radially relative to the fixed outer tube, a fourth channel is formed inside the elastic corrugated tube, and the third channel is communicated with the second channel through the fourth channel.

In an optional technical solution of the above battery end water quick-change device, one end of the floating inner tube extends to a side close to the fixed base to form an extension section sleeved in the first part of the connecting member.

In an optional technical scheme of the quick-change device for battery end water, an annular sealing groove is formed in the outer side wall of the extension section of the floating inner tube, and a sealing ring is arranged in the annular sealing groove and can abut against the position between the floating inner tube and the first part of the connecting member.

In an optional technical scheme of the quick water changing device for the battery end, the number of the annular sealing grooves is multiple, and the annular sealing grooves are arranged in parallel.

In an optional technical solution of the above battery end water quick-change device, the floating assembly further includes a connecting pipe, two ends of the connecting pipe are respectively connected to the elastic corrugated pipe and the quick-change plug, a fifth channel is formed inside the connecting pipe, and the third channel is communicated with the fourth channel through the fifth channel.

In an optional technical scheme of the battery end water quick-change device, the elastic corrugated pipe comprises a first straight section, an elastic wavy section and a second straight section which are sequentially arranged, the first straight section is connected with the floating inner pipe, and the second straight section is connected with the connecting pipe.

In an optional technical solution of the above battery terminal water quick-change device, a first annular connecting groove is provided on the floating inner tube, and the first straight section is inserted into the first annular connecting groove; and/or a second annular connecting groove is arranged on the connecting pipe, and the second straight section is inserted into the second annular connecting groove.

On the other hand, the utility model also provides a battery package, the battery package include in the optional technical scheme of above-mentioned arbitrary battery end water quick change device.

Under the condition that adopts above-mentioned technical scheme, the utility model discloses a battery end water quick change device reaches the purpose that just can absorb rivers direction tolerance only using shorter water pipe through the setting of subassembly that floats, and then when guaranteeing low flow resistance, has effectively reduced the cost of battery package, can also provide the solution for the straight-inserting water pipe way setting in the battery package.

Furthermore, the utility model discloses an among the optional technical scheme, the back-off structure can effectively prevent that the inner tube that floats from droing when the floating inner tube of equipment to improve battery end water quick change device's assembly efficiency.

Furthermore, the utility model discloses an among the optional technical scheme, the common setting of a plurality of ring seal grooves and sealing washer can prevent effectively that the water in the pipeline from spilling over, guarantees its leakproofness better.

Furthermore, the utility model discloses an among the optional technical scheme, the setting of elasticity bellows can effectively guarantee that battery end water quick change device can absorb the tolerance of the all directions of perpendicular to rivers direction.

Drawings

The disclosure of the present invention will become more readily understood with reference to the accompanying drawings. As is readily understood by those skilled in the art: these drawings are for illustrative purposes only and are not intended to constitute a limitation on the scope of the present invention. Moreover, in the drawings, like numerals are used to indicate like parts, and in which:

fig. 1 shows a schematic overall structure diagram of a battery terminal water quick-change device of the present invention;

fig. 2 shows a partial cross-sectional view of the battery terminal water quick-change device of the present invention;

fig. 3 shows a partial cross-sectional view of the battery terminal water quick change device of the present invention;

reference numerals:

1. a fixed base; 11. a sealing gasket;

2. a connecting member; 21. a first portion; 22. a second portion; 23. a first channel;

3. quickly replacing the plug; 31. a third channel; 32. quickly replacing the socket; 33. quickly replacing the sleeve;

4. a floating assembly; 41. fixing the outer tube; 411. a float bath; 412. a back-off structure; 42. a floating inner tube; 421. a floating stop member; 422. a second channel; 423. an extension section; 424. an annular seal groove; 425. a seal ring; 426. an arc-shaped slot; 43. an elastic bellows; 431. a fourth channel; 432. a first straight section; 433. an elastic wave section; 434. a second straight section; 44. a connecting pipe; 441. and a fifth channel.

Detailed Description

Preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood by those skilled in the art that these embodiments are only for explaining the technical principle of the present invention, and are not intended to limit the scope of the present invention. And can be adjusted as needed by those skilled in the art to suit particular applications. For example, the utility model discloses do not make any restriction to the concrete application object and the type of battery end water quick change device, it can be used for the ternary battery package, can be used for lithium manganate battery package, can also be used to lithium titanate battery package, and this is not restrictive yet, and the technical staff in the art can set for by oneself according to actual in service behavior. Such changes in the specific objects and types of applications do not depart from the basic principles of the present invention and therefore fall within the scope of the invention.

It should be noted that in the description of the present invention, the terms "X direction", "Y direction", "Z direction", "inner", "outer" and the like refer to directions or positional relationships based on the directions or positional relationships shown in the drawings, specifically, "X direction" refers to a direction perpendicular to the plane shown in fig. 2, i.e., a direction of flow of water in the quick-change plug, "Z direction" refers to a direction perpendicular to the plane shown in fig. 2, i.e., a direction of flow of water in the floating assembly, "Y direction" refers to a direction perpendicular to the plane in which the "X direction" and the "Z direction" are located, which is, of course, merely for convenience of description, and does not indicate or imply that the structural features must have a particular orientation, be configured and operated in a particular orientation, and thus, should not be understood as limiting the present invention.

Furthermore, the terms "first," "second," "third," "fourth," and "fifth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; they may be directly connected or indirectly connected through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

As shown in fig. 1 to 3, the utility model discloses a battery end water quick change device includes unable adjustment base 1, connecting element 2, quick change plug 3 and unsteady subassembly 4, is provided with the fixed orifices on the unable adjustment base 1, and the first portion 21 of connecting element 2 passes the fixed orifices links to each other with unsteady subassembly 4, and the second portion 22 of connecting element 2 is located one side of keeping away from unsteady subassembly 4 of unable adjustment base 1, is located the top of unable adjustment base 1 promptly, and unsteady subassembly 4 includes fixed outer tube 41 and unsteady inner tube 42, fixed outer tube 41 and unable adjustment base 1 fixed connection, and at least partly of unsteady inner tube 42 and the first portion 21 of connecting element 2 are all established in fixed outer tube 41, and quick change plug 3 links to each other with unsteady inner tube 42. It should be noted that, the present invention does not limit the specific structure, number and connection mode of the fixing base 1, the connecting member 2 and the quick-change plug 3, and the connection mode of the quick-change plug 3 and the floating inner tube 42; in this embodiment, the main body of the fixing base 1 is a rectangular plate-shaped structure, and the number of the connecting member 2, the quick-change plug 3 and the floating assembly 4 is two, which is not restrictive, and can be set by those skilled in the art according to the actual situation.

Further, a floating limiting member 421 is disposed on an outer side wall of the floating inner tube 42, the fixed outer tube 41 and the first portion 21 of the connecting member 2 together form a floating slot 411, and the floating limiting member 421 can move in the floating slot 411 in the Z direction (see the up-down direction in fig. 2 and 3) so that the floating inner tube 42 can axially float relative to the fixed outer tube 41; furthermore, the interior of the coupling member 2 is formed with a first channel 23, the interior of the floating inner tube 42 is formed with a second channel 422 communicating with the first channel 23, and the interior of the quick-change plug 3 is formed with a third channel 31 communicating with the second channel 422.

Further optionally, the battery end water quick-change device further comprises a sealing washer 11, the fixing hole formed in the fixing base 1 is a three-stage stepped hole (as shown in fig. 2) with the diameter decreasing from top to bottom, the external shape of the connecting member 2 is matched with the shape of the fixing hole so as to better improve the fixing strength and the sealing effect of the fixing hole, the sealing washer 11 is arranged at the step where the top layer hole and the middle layer hole of the fixing hole intersect, the outer ring of the sealing washer 11 abuts against the hole wall of the fixing hole, and the connecting member 2 penetrates through the inner ring of the sealing washer 11 and abuts against the inner ring of the sealing washer 11 so as to achieve the sealing effect; the sealing washer 11 can effectively improve the sealability between the connection member 2 and the fixing base 1, thereby effectively preventing water leakage.

It should be noted that the present invention does not limit the specific structure and shape of the fixed outer tube 41 and the floating inner tube 42, nor the specific structure of the floating limiting member 421 and the specific shape of the floating slot 411.

As a preferable arrangement, one end of the fixing outer tube 41 far away from the fixing base 1 extends radially inward to form an inverted structure 412, and the inverted structure 412, a part of the inner side wall of the fixing outer tube 41 and the end face of the first part 21 of the connecting member 2 far away from the fixing base 1 together form a floating groove 411. The inverted buckle structure 412 can effectively prevent the floating inner tube 42 from falling off when the battery end water quick-change device is assembled, so that the assembly efficiency of the battery end water quick-change device is improved. Of course, the present invention does not limit the specific structure of the reverse-buckling structure 412, as long as the floating inner tube 42 can be prevented from falling off, and the person skilled in the art can set it by himself.

Alternatively, the floating stopper member 421 is an annular convex structure provided on the outer sidewall of the floating inner tube 42, the cross-sectional shapes of the floating stopper member 421 and the floating groove 411 are both rectangular, and the Z-dimension of the floating groove 411 is larger than the Z-dimension of the floating stopper member 421, so that the floating stopper member 421 can float in the Z-direction in the floating groove 411. Of course, the present invention is not limited to the specific shape and size of the float groove 411, and those skilled in the art can set the shape and size according to actual situations.

Further, one end of the floating inner tube 42 extends to a side close to the fixed base 1 to form an extension 423 that is sleeved in the first portion 21 of the connecting member 2, with reference to the orientation shown in fig. 2, that is, the upper end of the floating inner tube 42 extends upward to form an extension 423 that is sleeved in the first portion 21 of the connecting member 2, an annular sealing groove 424 is formed on an outer side wall of the extension 423 of the floating inner tube 42, and a sealing ring 425 is disposed in the annular sealing groove 424, and the sealing ring 425 can abut between the floating inner tube 42 and the first portion 21 of the connecting member 2, so as to effectively improve the sealing performance. It should be noted that, the present invention does not limit the specific number and the specific shape of the annular sealing groove 424 and the sealing ring 425, and those skilled in the art can set the number and the specific shape according to actual situations; optionally, the number of the annular sealing grooves 424 is two, and the two annular sealing grooves 424 are arranged in parallel, so as to further improve the connection sealing property between the first channel 23 and the second channel 422, and effectively prevent water leakage. Of course, the provision of annular seal groove 424 and seal ring 425 does not affect the float of floating inner tube 42 in the Z-direction.

Further optionally, an arc-shaped groove 426 is further formed on an outer side wall of the floating inner tube 42, the arc-shaped groove 426 is located below the floating limiting member 421 and above the reversing structure 412 (see the up-down direction in fig. 2 and 3), the arc-shaped groove 426 can further facilitate Z-direction movement of the floating limiting member 421 in the floating groove 411, and can also effectively weaken damage to the reversing structure 412 caused by movement impact of the floating inner tube 42, and effectively ensure reliability of the reversing structure 412.

In addition, it should be noted that the present invention does not limit the specific materials used for the fixed outer tube 41, the floating inner tube 42 and the connecting member 2; preferably, the connecting member 2 is made of metal, and the fixed outer tube 41 and the floating inner tube 42 are made of plastic, which is not restrictive, and can be set by those skilled in the art according to actual use.

In this alternative embodiment, the floating assembly 4 further comprises an elastic bellows 43, both ends of the elastic bellows 43 being connected to the floating inner tube 42 and the quick-change plug 3, respectively, although the floating inner tube 42 may also be directly connected to the quick-change plug 3, the elastic bellows 43 being arranged to enable the quick-change plug 3 to move radially with respect to the fixed outer tube 41, in particular, the elastic bellows 43 enables the quick-change plug 3 to move in the X direction (see the left-right direction in fig. 2) and the Y direction (see the inside-outside direction in fig. 2) with respect to the fixed outer tube 41; the elastic bellows 43 is formed with a fourth passage 431 inside, and the third passage 31 communicates with the second passage 422 through the fourth passage 431. Further optionally, the floating assembly 4 further comprises a connecting tube 44, both ends of the connecting tube 44 are respectively connected with the elastic bellows 43 and the quick-change plug 3, a fifth channel 441 is formed inside the connecting tube 44, and the third channel 31 is communicated with the fourth channel 431 through the fifth channel 441.

It should be noted that the present invention does not limit the specific structure of the elastic corrugated tube 43, and those skilled in the art can set the configuration by themselves as long as the quick-change plug 3 can move in the X direction and the Y direction relative to the fixed outer tube 41. As a preferred embodiment, as shown in fig. 2, in particular, the elastic corrugated tube 43 includes a first straight section 432, an elastic wave section 433, and a second straight section 434, which are sequentially arranged, a first annular connecting groove is provided at a lower end of the floating inner tube 42, a second annular connecting groove is provided at an upper end of the connecting tube 44, the first straight section 432 is inserted into the first annular connecting groove to be connected with the floating inner tube 42, and the second straight section 434 is inserted into the second annular connecting groove to be connected with the connecting tube 44. First straight section 432, second straight section 434, first annular connecting groove and the common setting of second annular connecting groove can prevent effectively that the easy problem that appears leaking in junction, and then effectively guarantees the safe handling of battery package.

Based on the above arrangement, the first channel 23, the second channel 422, the third channel 31, the fourth channel 431 and the fifth channel 441 are communicated with each other in this embodiment, so that water in the five channels can flow through without leaking.

In addition, it should be noted that the present invention does not limit the specific structure of the connecting pipe 44, as long as the connecting pipe can function as a communication. In this alternative embodiment, the quick-change plug 3 is arranged perpendicularly to the coupling tube 44; in particular, the quick-change plug 3 comprises a quick-change socket 32 and a quick-change sleeve 33, the quick-change socket 32 is directly connected to the connecting pipe 44, the quick-change sleeve 33 is arranged perpendicular to the quick-change socket 32, a third channel 31 is formed in the quick-change sleeve 33, and the quick-change sleeve 33 can be mutually matched with plugs of other devices to realize communication in the using process. Certainly, the utility model discloses do not do any restriction to the concrete using-way of battery end water quick change device, technical personnel in the field can set for by oneself according to actual use condition.

In another aspect, the present invention also claims a battery pack, which includes the battery terminal water quick-change device in the above optional embodiment. It should be noted that, the present invention does not limit the specific structure of the battery pack and the specific setting position and the setting number of the battery end water quick-change device in the battery pack, and those skilled in the art can set the battery end water quick-change device according to the actual use condition.

So far, the technical solution of the present invention has been described with reference to the preferred embodiments shown in the drawings, but it is easily understood by those skilled in the art that the scope of the present invention is obviously not limited to these specific embodiments. Without departing from the principle of the present invention, a person skilled in the art can make equivalent changes or substitutions to the related technical features, and the technical solutions after these changes or substitutions will fall within the protection scope of the present invention.

Claims (10)

1. A quick change device for battery end water is characterized by comprising a fixed base, a connecting member, a quick change plug and a floating assembly, wherein the fixed base is provided with a fixed hole, a first part of the connecting member penetrates through the fixed hole to be connected with the floating assembly,

the floating assembly comprises a fixed outer tube and a floating inner tube, the fixed outer tube is fixedly connected with the fixed base, at least one part of the floating inner tube and the first part of the connecting member are sleeved in the fixed outer tube, the quick-change plug is connected with the floating inner tube,

the outer side wall of the floating inner pipe is provided with a floating limiting member, the fixed outer pipe and the first part of the connecting member together form a floating groove, the floating limiting member can move in the floating groove so that the floating inner pipe can axially float relative to the fixed outer pipe,

a first channel is formed in the connecting component, a second channel communicated with the first channel is formed in the floating inner tube, and a third channel communicated with the second channel is formed in the quick-change plug.

2. The battery-end water quick-change device according to claim 1, wherein an end of the fixing outer tube remote from the fixing base extends radially inward to form an undercut structure, and the undercut structure, a portion of an inner side wall of the fixing outer tube and an end surface of the first portion of the connecting member remote from the fixing base together form the floating groove.

3. The battery end water quick-change device according to claim 2, wherein the floating assembly further comprises an elastic bellows, both ends of the elastic bellows are respectively connected with the floating inner tube and the quick-change plug, the elastic bellows is configured to enable the quick-change plug to move radially relative to the fixed outer tube,

and a fourth channel is formed in the elastic corrugated pipe, and the third channel is communicated with the second channel through the fourth channel.

4. The quick-change device for battery water end as claimed in claim 3, wherein one end of the floating inner tube extends to a side close to the fixing base to form an extension section sleeved in the first part of the connecting member.

5. The quick-change device for battery end water as claimed in claim 4, wherein an annular sealing groove is formed on the outer side wall of the extension section of the floating inner tube, and a sealing ring is arranged in the annular sealing groove and can abut between the floating inner tube and the first part of the connecting member.

6. The quick change device for battery end water according to claim 5, wherein the number of the annular sealing grooves is multiple, and the annular sealing grooves are arranged in parallel.

7. The battery-end water quick-change device according to any one of claims 3 to 6, wherein the floating assembly further comprises a connecting pipe, both ends of the connecting pipe are respectively connected with the elastic corrugated pipe and the quick-change plug,

and a fifth channel is formed in the connecting pipe, and the third channel is communicated with the fourth channel through the fifth channel.

8. The battery end water quick-change device according to claim 7, wherein the elastic corrugated pipe comprises a first straight section, an elastic wave section and a second straight section which are arranged in sequence, the first straight section is connected with the floating inner pipe, and the second straight section is connected with the connecting pipe.

9. The battery end water quick-change device according to claim 8, wherein a first annular connecting groove is formed in the floating inner tube, and the first flat section is inserted into the first annular connecting groove; and/or

The connecting pipe is provided with a second annular connecting groove, and the second straight section is inserted into the second annular connecting groove.

10. A battery pack, comprising the battery-side water quick-change device of any one of claims 1 to 9.

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