CN204807590U - Cylindrical lithium ion battery test centre gripping instrument for chemistry experiments - Google Patents
Cylindrical lithium ion battery test centre gripping instrument for chemistry experiments Download PDFInfo
- Publication number
- CN204807590U CN204807590U CN201520527093.3U CN201520527093U CN204807590U CN 204807590 U CN204807590 U CN 204807590U CN 201520527093 U CN201520527093 U CN 201520527093U CN 204807590 U CN204807590 U CN 204807590U
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- China
- Prior art keywords
- lithium ion
- battery case
- catch bar
- ion battery
- bar
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Abstract
The utility model discloses a cylindrical lithium ion battery test centre gripping instrument for chemistry experiments, include that the portion is established to battery case, first electrically conductive clamp, portion, thrust unit, a conductive spring, the 2nd conductive spring, current conducting plate, the 3rd conductive spring are established to electrically conductive clamp of second, thrust unit includes dead lever, catch bar, lead screw, helical gear pair, rocker, and the inner wall of dead lever is provided with the locating piece, and the outer wall of catch bar is provided with the constant head tank, and the inner wall is provided with the internal thread, but the one end of catch bar is inserted in the dead lever and the locating piece is connected with constant head tank sliding fit, the one end of lead screw and helical gear pair's the output shaft from the driving wheel, the other end insert in the catch bar and the interior screw thread fit connection of the screw of lead screw and catch bar, an end of rocker insert in the dead lever and with the output shaft of helical gear pair's action wheel, the current conducting plate is connected with the catch bar. The beneficial effects are that: can be used for the multiple not unidimensional cylindrical lithium ion battery of centre gripping, convenient to use.
Description
Technical field
The utility model relates to a kind of chemical experiment column lithium ion battery test clamping instrument.
Background technology
At present, lithium ion battery has developed button, cylindrical, square and plastic-aluminum soft-package battery several types; Wherein, column lithium ion battery mature preparation process, cell capacity are high, are one of common lithium ion batteries.For ease of storage, the transport of battery, the positive and negative electrode two ends of column lithium ion battery all seal with betal can.For testing instrument many employings crocodile clip of cylindrical lithium ion battery chemical property, crocodile clip is clamped and forms temporary transient connecting circuit, and the jagged jaws of crocodile clip can clamp the part that will press from both sides firmly, guarantee can not allow part get loose.
But because the positive and negative electrode two ends of column lithium ion battery are all with betal can sealing, crocodile clip can not realize the electrical contact good with column lithium ion battery, is unfavorable for the electrochemical property test of battery.In view of this, Chinese patent 201320548004.4 type discloses a kind of column lithium ion battery test fixture, comprises battery case and contact; Described battery case both ends are provided with pilot hole, and described contact is fixed in described pilot hole; Described contact and the battery terminal contact be arranged in described battery case, and the crocodile clip of test battery chemical property is located in described contact.Battery case is set and can places column lithium ion battery to be tested, at battery case two ends, contact is set, respectively can with the positive and negative electrode electrical contact of battery, the crocodile clip of test battery chemical property then can be located in contact, ensure that the excellent electric contact of column lithium ion battery and electro-chemical test instrument on the one hand, crocodile clip sandwiched can be made on the other hand more firm, be conducive to the stable of electro-chemical test and carry out.Meanwhile, column lithium ion battery test fixture structure is simple, battery installation or removal are convenient, be easy to carry.But the distance between two of this fixture contacts is unadjustable, therefore can only be used for the test of the column lithium ion battery of same size, doing experiment to user makes troubles.
Utility model content
Problem to be solved in the utility model is to provide a kind of chemical experiment column lithium ion battery easy to use test clamping instrument, and it may be used for the column lithium ion battery clamping multiple different size.
In order to solve the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of chemical experiment column lithium ion battery test clamping instrument, comprise battery case, the first conduction interposed unit at battery case two ends and the second conduction interposed unit are set respectively, the first power spring and the second power spring is provided with in described battery case, described first power spring and described first conducts electricity interposed unit and is connected, and described second power spring and described second conducts electricity interposed unit and is connected; The utility model also comprises the thrust unit being arranged on battery case outer wall, and sliding in described battery case is provided with current-carrying plate, and described current-carrying plate is connected with described first power spring, and described current-carrying plate is connected with the 3rd power spring; Described thrust unit comprises the fixed bar of hollow, the catch bar of hollow, outer wall arrange threaded screw mandrel, the helical gear pair be arranged in fixed bar, rocking bar, the inwall of described fixed bar is provided with at least one locating piece, the outer wall of described catch bar is provided with locating slot, inwall is provided with internal thread, and one end of described catch bar is inserted in described fixed bar and described locating piece and described locating slot are slidably connected; One end of described screw mandrel is connected with the output shaft of the engaged wheel of described helical gear pair, the other end is inserted in described catch bar and the screw thread of screw mandrel is connected with the screw-internal thread fit of described catch bar, and it is interior and be connected with the output shaft of the driving wheel of described helical gear pair that a termination of described rocking bar is inserted into described fixed bar; One end of described current-carrying plate is passed described battery case and is connected with the termination of described catch bar, described battery case is provided with the elongated slot passed for described current-carrying plate.
Preferably, above-mentioned chemical experiment column lithium ion battery test clamping instrument, the inwall of wherein said battery case is provided with guide rail, described guide rail and described current-carrying plate sliding connection.
Preferably, above-mentioned chemical experiment column lithium ion battery test clamping instrument, the inner chamber of wherein said fixed bar is vertically provided with plate body, and output shaft and the described plate body of the engaged wheel of described helical gear pair are rotatably connected.
Preferably, above-mentioned chemical experiment column lithium ion battery test clamping instrument, the quantity of wherein said locating piece is two.
Preferably, above-mentioned chemical experiment column lithium ion battery test clamping instrument, wherein said battery case is plastic box body.
Preferably, above-mentioned chemical experiment column lithium ion battery test clamping instrument, wherein said fixed bar is fixed on the outer wall of described battery case by the body of rod.
Technique effect of the present utility model is mainly reflected in: can promote current-carrying plate to drive the 3rd power spring by thrust unit, change the distance between the first power spring and the 3rd power spring, thus realize the column lithium ion battery of the multiple different size of clamping; User shakes rocking bar, screw mandrel is driven to rotate by helical gear pair, because locating piece is stuck in locating slot, thus prevent catch bar to rotate together with screw mandrel, can only move horizontally along locating slot, the movement of catch bar can drive current-carrying plate to move, and moves current-carrying plate in this way, easy to use laborsaving.
Accompanying drawing explanation
Fig. 1 is vertical view of the present utility model;
Fig. 2 is the front elevation of battery case in Fig. 1;
Fig. 3 is the structural representation of the thrust unit in the utility model;
Fig. 4 be in Fig. 3 A-A to structural representation;
Fig. 5 is the structural representation of the helical gear pair in the utility model.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Fig. 1,2,3,4,5, a kind of chemical experiment column lithium ion battery test clamping instrument, comprise battery case 1, first conduction interposed unit 11 and the second conduction interposed unit 12 at battery case 1 two ends is set respectively, the first power spring 13 and the second power spring 14 is provided with in battery case 1, first power spring 13 and first conducts electricity interposed unit 11 and is connected, and the second power spring 14 and second conducts electricity interposed unit 12 and is connected; The utility model also comprises the thrust unit 3 being arranged on battery case 1 outer wall, and sliding in battery case 1 is provided with current-carrying plate 4, and current-carrying plate 4 is connected with the first power spring 13, and current-carrying plate 4 is connected with the 3rd power spring 41; Thrust unit 3 comprises the fixed bar 31 of hollow, the catch bar 32 of hollow, outer wall arrange threaded screw mandrel 33, the helical gear pair 34 be arranged in fixed bar 31, rocking bar 35, the inwall of fixed bar 31 is provided with two locating pieces 36, the outer wall of catch bar 32 is provided with locating slot 37, inwall is provided with internal thread, and one end of catch bar 32 is inserted in fixed bar 31 and locating piece 36 and locating slot 37 are slidably connected; One end of screw mandrel 33 is connected with the output shaft of the engaged wheel 90 of helical gear pair 34, the other end is inserted in catch bar 32 and the screw thread of screw mandrel 33 is connected with the screw-internal thread fit of catch bar 32, and it is interior and be connected with the output shaft of the driving wheel 80 of helical gear pair 34 that a termination of rocking bar 35 is inserted into fixed bar 31; One end of current-carrying plate 4 is passed battery case 1 and is connected with the termination of catch bar 32, battery case 1 is provided with the elongated slot 15 passed for current-carrying plate 4.
User can promote current-carrying plate 4 by thrust unit 3 and drive the 3rd power spring 41, change the distance between the first power spring 13 and the 3rd power spring 41, thus realize the column lithium ion battery clamping multiple different size between the first power spring 13 and the 3rd power spring 41; User shakes rocking bar 35, screw mandrel 33 is driven to rotate by helical gear pair 34, because locating piece 36 is stuck in locating slot 37, thus prevent catch bar 32 to rotate together with screw mandrel 33, can only move horizontally along locating slot 37, the movement of catch bar 32 can drive current-carrying plate 4 to move, and moves current-carrying plate 4 in this way, easy to use laborsaving.
The inwall of battery case 1 is provided with the guide rail 5 made with insulating material, guide rail 5 and current-carrying plate 4 sliding connection, and design makes in current-carrying plate 4 sliding process more smooth and easy like this.The inner chamber of fixed bar 31 is vertically provided with plate body 38, and output shaft and the plate body 38 of the engaged wheel 90 of helical gear pair 34 are rotatably connected, and design avoids helical gear pair 34 and rocks in fixed bar 31 like this.Battery case 1 is plastic box body, has the function of insulation.
Wherein fixed bar 31 is fixed on the outer wall of battery case 1 by the body of rod 6, makes structure of the present utility model more firm.
Embodiment recited above is described preferred implementation of the present utility model, not limits design of the present utility model and scope.Under the prerequisite not departing from the utility model design concept; the various modification that this area ordinary person makes the technical solution of the utility model and improvement; protection domain of the present utility model all should be dropped into; the technology contents of the utility model request protection, all records in detail in the claims.
Claims (6)
1. a chemical experiment column lithium ion battery test clamping instrument, comprise battery case, first conduction interposed unit and the second conduction interposed unit at battery case two ends are set respectively, the first power spring and the second power spring is provided with in described battery case, described first power spring and described first conducts electricity interposed unit and is connected, described second power spring and described second conducts electricity interposed unit and is connected, it is characterized in that: it also comprises the thrust unit being arranged on battery case outer wall, slide in described battery case and be provided with current-carrying plate, described current-carrying plate is connected with described first power spring, described current-carrying plate is connected with the 3rd power spring, described thrust unit comprises the fixed bar of hollow, the catch bar of hollow, outer wall arrange threaded screw mandrel, the helical gear pair be arranged in fixed bar, rocking bar, the inwall of described fixed bar is provided with at least one locating piece, the outer wall of described catch bar is provided with locating slot, inwall is provided with internal thread, and one end of described catch bar is inserted in described fixed bar and described locating piece and described locating slot are slidably connected, one end of described screw mandrel is connected with the output shaft of the engaged wheel of described helical gear pair, the other end is inserted in described catch bar and the screw thread of screw mandrel is connected with the screw-internal thread fit of described catch bar, and it is interior and be connected with the output shaft of the driving wheel of described helical gear pair that a termination of described rocking bar is inserted into described fixed bar, one end of described current-carrying plate is passed described battery case and is connected with the termination of described catch bar, described battery case is provided with the elongated slot passed for described current-carrying plate.
2. chemical experiment column lithium ion battery test clamping instrument according to claim 1, is characterized in that: the inwall of described battery case is provided with guide rail, described guide rail and described current-carrying plate sliding connection.
3. chemical experiment column lithium ion battery test clamping instrument according to claim 1, it is characterized in that: the inner chamber of described fixed bar is vertically provided with plate body, output shaft and the described plate body of the engaged wheel of described helical gear pair are rotatably connected.
4. chemical experiment column lithium ion battery test clamping instrument according to claim 1, is characterized in that: the quantity of described locating piece is two.
5. chemical experiment column lithium ion battery test clamping instrument according to claim 1, is characterized in that: described battery case is plastic box body.
6. chemical experiment column lithium ion battery test clamping instrument according to claim 1, is characterized in that: described fixed bar is fixed on the outer wall of described battery case by the body of rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520527093.3U CN204807590U (en) | 2015-07-13 | 2015-07-13 | Cylindrical lithium ion battery test centre gripping instrument for chemistry experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520527093.3U CN204807590U (en) | 2015-07-13 | 2015-07-13 | Cylindrical lithium ion battery test centre gripping instrument for chemistry experiments |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204807590U true CN204807590U (en) | 2015-11-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520527093.3U Expired - Fee Related CN204807590U (en) | 2015-07-13 | 2015-07-13 | Cylindrical lithium ion battery test centre gripping instrument for chemistry experiments |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204807590U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581229A (en) * | 2018-11-14 | 2019-04-05 | 临沂大学 | A kind of wireless communication terminal cell box explosion preventing detection device and detection method |
| CN113899921A (en) * | 2021-09-28 | 2022-01-07 | 上海化工研究院有限公司 | Roller type connecting device for lithium ion battery electrode foil for large-current test |
-
2015
- 2015-07-13 CN CN201520527093.3U patent/CN204807590U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109581229A (en) * | 2018-11-14 | 2019-04-05 | 临沂大学 | A kind of wireless communication terminal cell box explosion preventing detection device and detection method |
| CN109581229B (en) * | 2018-11-14 | 2022-06-10 | 临沂大学 | Explosion-proof detection device and detection method for battery box of wireless communication terminal |
| CN113899921A (en) * | 2021-09-28 | 2022-01-07 | 上海化工研究院有限公司 | Roller type connecting device for lithium ion battery electrode foil for large-current test |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20160713 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |