CN212567829U - Lithium cell gas tightness short-term test equipment - Google Patents
Lithium cell gas tightness short-term test equipment Download PDFInfo
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- CN212567829U CN212567829U CN202021359272.8U CN202021359272U CN212567829U CN 212567829 U CN212567829 U CN 212567829U CN 202021359272 U CN202021359272 U CN 202021359272U CN 212567829 U CN212567829 U CN 212567829U
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- kickboard
- lithium battery
- battery cell
- detection device
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Abstract
The utility model discloses a lithium cell gas tightness short-term test equipment, concretely relates to gas tightness detects technical field, including detecting the box, the internal top of detection case is provided with the kickboard, the kickboard downside passes through dead lever and connection frame fixed connection, the inside baffle that is provided with of connection frame, detect the fixed strip piece of the equal fixedly connected with in box left side and right side, side fixedly connected with montant on the fixed strip piece, the lantern ring has been cup jointed on the montant, lantern ring medial surface welded fastening has the measuring stick, the measuring stick is located the side on the kickboard, the side evenly processed has two above air vents on the kickboard. The utility model provides the high stability of placing to the lithium cell has avoided it to drop, confirms the depth of fall of the internal surface of water of measuring box through the upper and lower kickboard of kickboard, has realized carrying out the purpose of short-term test to the gas tightness of lithium cell, easy operation, and the work load is low, and the detection accuracy is high.
Description
Technical Field
The utility model relates to an air tightness detects technical field, more specifically says, the utility model relates to a lithium cell gas tightness short-term test equipment.
Background
A "lithium battery" is a type of battery using a nonaqueous electrolyte solution with lithium metal or a lithium alloy as a positive/negative electrode material. Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable.
Among the prior art, current lithium cell is when using, generally need test the gas tightness of lithium cell to avoid the inside electrolyte of lithium cell to reveal, current gas tightness detects measuring equipment and generally detects through inert gas, has leaded to it to measure complicacy, and the operation is complicated, and personnel's work load is big.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above defects in the prior art, the embodiment of the present invention provides a device for rapidly detecting the air tightness of a lithium battery cell, and the technical problem to be solved by the present invention is: the existing lithium cell air tightness detection equipment has the problems of complex measurement and large workload.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lithium cell gas tightness short-term test equipment, is including detecting the box, the internal top of detection box is provided with the kickboard, dead lever and connection frame fixed connection are passed through to the kickboard downside, the inside baffle that is provided with of connection frame, detect the equal fixedly connected with fixed strip piece in box left side and right side, side fixedly connected with montant on the fixed strip piece, the lantern ring has been cup jointed on the montant, lantern ring medial surface welded fastening has the measuring stick, the measuring stick is located the side on the kickboard, be connected with adjusting bolt through the screw thread on the measuring stick, the side contacts on adjusting bolt downside and the kickboard, the side evenly processed has more than two air vents on the kickboard.
Through placing the lithium cell in linking frame, and come to carry on spacingly to the lithium cell through reciprocating of baffle, avoid it to drop, put into the detection box afterwards, through the kickboard suspension on the surface of water, and contact through the kickboard top surface of measuring stick and this moment, a period of time stews, then through observing the degree of depth that the kickboard descends, rotate adjusting bolt afterwards, slightly contact adjusting bolt and kickboard top surface, use slide caliper to the distance between terminal surface and the measuring stick downside under the adjusting bolt afterwards, and then realized carrying out short-term test to the gas tightness of lithium cell, and is simple in operation, the work load is low, and the degree of accuracy is high.
In a preferred embodiment, the middle part of the upper side surface of the floating plate is fixedly connected with a polished rod, the upper part of the polished rod vertically penetrates through a round hole, the round hole is formed in the supporting frame, the supporting frame is fixed on the outer side surface of the fixed strip block, the supporting frame is located on the upper part of the floating plate and the upper part of the detection box body, the floating plate is convenient to move and guide, the supporting frame is convenient to hold, and the carrying is convenient.
In a preferred embodiment, the top of the polished rod is connected with a nut through threads, and the nut is positioned on the upper side of the support frame and is convenient for limiting the polished rod through the nut.
In a preferred embodiment, the connection frame and the separator are made of stainless steel mesh plates, so that the lithium battery cell is in sufficient contact with water.
In a preferred embodiment, the left side surface and the right side surface of the partition board are integrally connected with sliding blocks, the sliding blocks are connected in sliding grooves, the sliding grooves are formed in the left side surface and the right side surface of the connecting frame respectively, and therefore the partition board can be conveniently and stably moved up and down, and the space in the connecting frame can be adjusted.
In a preferred embodiment, the inside of the sliding block is provided with a threaded hole, the inside of the threaded hole is engaged and connected with a locking bolt through threads, and the locking bolt is positioned on the outer side surface of the connecting frame and is convenient for controlling the moving height of the partition plate.
In a preferred embodiment, the number of the vertical rods, the lantern rings and the measuring rods is four, the four vertical rods are symmetrically fixed on the upper side surfaces of the two fixed bar blocks in the front-back direction, and the four measuring rods are respectively located at four corner positions on the upper side surface of the floating plate, so that the measuring range is expanded, and the measuring accuracy is improved.
In a preferred embodiment, the outer side of the collar is connected to a fastening bolt by a thread, and the inner side of the fastening bolt is in contact with the vertical rod, so that the position of the measuring rod can be controlled.
The utility model discloses a technological effect and advantage:
the utility model discloses a be equipped with connection frame, baffle, kickboard, measuring stick and adjusting bolt, improved the stability of placing to the lithium cell, avoided it to drop, also enlarged the contact range of lithium cell and water simultaneously, the depth of decline of the internal surface of water of measuring box is confirmed through the upper and lower kickboard of kickboard to measure through adjusting bolt, realized carrying out the purpose of short-term test to the gas tightness of lithium cell, easy operation, the work load is low, and the detection accuracy is high.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic view of the partial cross-sectional structure of the present invention.
Fig. 3 is a schematic view of the overall structure of the middle connection frame and the partition board of the present invention.
Fig. 4 is a schematic view of the overall structure of the middle partition plate of the present invention.
Fig. 5 is an enlarged schematic view of a portion a in fig. 1 according to the present invention.
The reference signs are: 1. detecting the box body; 2. fixing the bar block; 3. a support frame; 4. a collar; 5. a vertical rod; 6. a floating plate; 7. a polish rod; 8. a nut; 9. adjusting the bolt; 10. a measuring rod; 11. fastening a bolt; 12. a connecting frame; 13. a partition plate; 14. locking the bolt; 15. a chute; 16. a slider; 61. and (4) a vent hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The utility model provides a lithium cell gas tightness short-term test equipment, including detecting box 1, the top is provided with kickboard 6 in the detection box 1, dead lever and connection frame 12 fixed connection are passed through to kickboard 6 downside, the inside baffle 13 that is provided with of connection frame 12, detect the equal fixedly connected with fixed strip piece 2 in box 1 left side and right side, side fixedly connected with montant 5 on the fixed strip piece 2, the lantern ring 4 has been cup jointed on the montant 5, 4 medial surface welded fastening of the lantern ring has measuring stick 10, measuring stick 10 is located the side on kickboard 6, be connected with adjusting bolt 9 through the screw thread on the measuring stick 10, adjusting bolt 9 downside contacts with 6 sides of kickboard, the side evenly processed has more than two air vents 61 on the kickboard 6.
Side middle part fixedly connected with polished rod 7 on kickboard 6, the vertical round hole that passes in polished rod 7 upper portion, and the round hole is seted up inside support frame 3, and support frame 3 is fixed at 2 lateral surfaces of fixed strip, and support frame 3 is located kickboard 6 and detects 1 upper portion of box.
The top of the polish rod 7 is connected with a nut 8 through threads, and the nut 8 is positioned on the upper side of the support frame 3.
The connection frame 12 and the partition plate 13 are each made of a stainless steel mesh plate.
The left side and the right side of the partition board 13 are both integrally connected with a sliding block 16, the sliding block 16 is slidably connected in a sliding groove 15, and the sliding groove 15 is respectively arranged on the left side and the right side of the connecting frame 12.
The slider 16 is internally provided with a threaded hole, the threaded hole is internally engaged and connected with the locking bolt 14 through threads, and the locking bolt 14 is positioned on the outer side surface of the connecting frame 12.
Four vertical rods 5, four lantern rings 4 and four measuring rods 10 are arranged, the four vertical rods 5 are symmetrically fixed on the upper side surfaces of the two fixed bar blocks 2 from front to back, and the four measuring rods 10 are respectively positioned at four corner positions on the upper side surface of the floating plate 6.
The outer side surface of the lantern ring 4 is connected with a fastening bolt 11 through threads, and the inner side surface of the fastening bolt 11 is in contact with the vertical rod 5.
As shown in fig. 1 to 5, the embodiment specifically is as follows: the user places the lithium battery cell on the connecting frame 12, moves the partition plate 13 downwards along the sliding groove 15, adjusts the position of the partition plate 13 to avoid the lithium battery cell from falling off, and has the advantages of stable placement, convenient detection of the full contact between the water in the box body 1 and the lithium battery cell, then suspends the floating plate 6 on the water surface of the detection box body 1, then moves the lantern ring 4 downwards along the vertical rod 5 to drive the measuring rod 10 to move downwards, so that the measuring rod 10 is in slight contact with the upper side surface of the floating plate 6, then statically places the lithium battery cell for a period of time, if the lithium battery cell leaks, the water enters the lithium battery cell, at the moment, the water surface of the detection box body 1 descends, then the floating plate 6 descends along with the water surface, and causes the floating plate 6 to be separated from the measuring rod 10, then the user rotates the adjusting bolt 9, the adjusting bolt 9 rotates and moves downwards under the action of screw thread, realized that 9 downside of adjusting bolt contacts with the side on the kickboard 6, then the user of service rotates measuring stick 10 level 180 back, and use slide caliper to measure the part that 9 lower parts of adjusting bolt stretch out, can measure the volume of revealing of lithium cell, if the lithium cell gas tightness is intact, then kickboard 6 can't descend, adjusting bolt 9 can't stretch out, realized carrying out the purpose of short-term test to the lithium cell gas tightness, and easy operation, the work load is low, and the detection accuracy is high.
The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;
secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a lithium cell gas tightness short-term test equipment, is including detecting box (1), its characterized in that: the top is provided with kickboard (6) in detection box (1), kickboard (6) downside passes through dead lever and connection frame (12) fixed connection, inside baffle (13) that is provided with of connection frame (12), detect the equal fixedly connected with fixed strip piece (2) in box (1) left side and right side, side fixedly connected with montant (5) on fixed strip piece (2), the lantern ring (4) has been cup jointed on montant (5), lantern ring (4) medial surface welded fastening has measuring stick (10), measuring stick (10) are located kickboard (6) to the side, be connected with adjusting bolt (9) through the screw thread on measuring stick (10), adjusting bolt (9) downside contacts with kickboard (6) to the side, side evenly processing has more than two air vents (61) on kickboard (6).
2. The lithium battery cell air tightness rapid detection device according to claim 1, characterized in that: side middle part fixedly connected with polished rod (7) on kickboard (6), polished rod (7) upper portion is vertical passes the round hole, the round hole is seted up inside support frame (3), support frame (3) are fixed in fixed strip piece (2) lateral surface, and support frame (3) are located kickboard (6) and detect box (1) upper portion.
3. The lithium battery cell air tightness rapid detection device according to claim 2, characterized in that: the top of the polish rod (7) is connected with a nut (8) through threads, and the nut (8) is positioned on the upper side of the support frame (3).
4. The lithium battery cell air tightness rapid detection device according to claim 1, characterized in that: the connecting frame (12) and the partition plate (13) are both made of stainless steel mesh plates.
5. The lithium battery cell air tightness rapid detection device according to claim 4, characterized in that: the baffle (13) left surface and right flank all be connected with slider (16) an organic whole, slider (16) sliding connection is in spout (15), spout (15) are seted up respectively and are being connected frame (12) left surface and right flank.
6. The lithium battery cell air tightness rapid detection device according to claim 5, characterized in that: threaded holes are processed in the sliding blocks (16), the threaded holes are connected with locking bolts (14) in a meshed mode through threads, and the locking bolts (14) are located on the outer side face of the connecting frame (12).
7. The lithium battery cell air tightness rapid detection device according to claim 1, characterized in that: the four vertical rods (5), the lantern rings (4) and the measuring rods (10) are all four, the four vertical rods (5) are symmetrically fixed on the upper side faces of the two fixed strip blocks (2) in the front-back direction, and the four measuring rods (10) are respectively located at four side face corner positions on the floating plate (6).
8. The lithium battery cell air tightness rapid detection device according to claim 7, characterized in that: the outer side face of the lantern ring (4) is connected with a fastening bolt (11) through threads, and the inner side face of the fastening bolt (11) is in contact with the vertical rod (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021359272.8U CN212567829U (en) | 2020-07-10 | 2020-07-10 | Lithium cell gas tightness short-term test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021359272.8U CN212567829U (en) | 2020-07-10 | 2020-07-10 | Lithium cell gas tightness short-term test equipment |
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| Publication Number | Publication Date |
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| CN212567829U true CN212567829U (en) | 2021-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021359272.8U Active CN212567829U (en) | 2020-07-10 | 2020-07-10 | Lithium cell gas tightness short-term test equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611925A (en) * | 2021-08-27 | 2021-11-05 | 广东嘉尚新能源科技有限公司 | Automatic fixed-distance conveying sealing performance detection device for soft-package lithium battery cell |
-
2020
- 2020-07-10 CN CN202021359272.8U patent/CN212567829U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113611925A (en) * | 2021-08-27 | 2021-11-05 | 广东嘉尚新能源科技有限公司 | Automatic fixed-distance conveying sealing performance detection device for soft-package lithium battery cell |
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