CN211718353U - Multi-step shrinkage probe - Google Patents
Multi-step shrinkage probe Download PDFInfo
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- CN211718353U CN211718353U CN201922370873.2U CN201922370873U CN211718353U CN 211718353 U CN211718353 U CN 211718353U CN 201922370873 U CN201922370873 U CN 201922370873U CN 211718353 U CN211718353 U CN 211718353U
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- sleeve
- probe
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- sleeved
- insulation
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Abstract
The utility model discloses a many steps shrink probe. The utility model relates to a many steps shrink probe, include: the insulation base sleeve is sleeved with the insulation pressing block, the insulation sleeve is sleeved with the detection needle group, and the insulation base sleeve is sleeved on the insulation base sleeve. The utility model has the advantages that: the height can be adjusted, and when the test is not needed, the height can be changed, and the test of batteries of another type is not influenced.
Description
Technical Field
The utility model relates to a lithium cell detection area, concretely relates to many steps shrink probe.
Background
With the development of science and technology and the advancement of humanity, lithium batteries have gradually penetrated into the life and production of people and have occupied an important position in industrial production.
It is well known to those skilled in the art that lithium batteries are formed in order to convert active materials in the lithium batteries into materials having a normal electrochemical function by first charging and to form an effective passivation film or SEI film on electrodes. In the formation of lithium battery, in order to facilitate connection, a test pin is usually connected to a corresponding electrode of the lithium battery to test the change of current or voltage or temperature of the lithium battery.
The traditional technology has the following technical problems:
in order to improve the testing efficiency, a plurality of grooves are usually formed in one mounting plate, probes are clamped in the grooves (the number of the grooves can be more than that of the probes), then a plurality of batteries are placed under the probes, and the mounting plate is moved downwards, so that the batteries can be tested at one time. For example, 32 probes are placed on a mounting board to test 16 batteries (the positive and negative electrodes of a battery need one probe each). When preparing to test another type battery in batches next time, because the difference of battery model leads to can only place 8 batteries below the mounting panel, the mounting panel moves down this moment then, and the probe of test can be touch to unnecessary not participating in the probe of test.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide a many steps shrink probe, highly can adjust, when not needing the test, can be to the high change, do not influence the battery of another model of test.
In order to solve the technical problem, the utility model provides a many steps shrink probe, include: the insulation base sleeve is sleeved with the insulation pressing block, the insulation base sleeve is sleeved on the insulation sleeve, and the insulation sleeve is sleeved on the detection needle group;
a clamping block is arranged on the surface of one end of the insulating sleeve, and a gear groove is formed in the inner wall of the insulating base sleeve; the limiting spring is arranged between the insulating base sleeve and the insulating pressing block; the gear groove comprises a plurality of height change grooves and a change sliding groove which is used for penetrating through the height change grooves, the fixture block moves in the height change grooves through the change sliding groove, and the limiting spring is used for providing limiting force for the fixture block to abut against the bottom of the height change groove;
the insulating base is sleeved with a boss, the boss is matched with a groove in the mounting plate, the limiting spring enables the insulating pressing block to be pressed on the mounting plate, and the insulating base sleeve and the insulating pressing block are matched together to clamp the mounting plate.
In one embodiment, the insulating base sleeve, the insulating sleeve and the insulating press block are all integrally formed by injection molding.
In one embodiment, the detection pin set comprises a voltage detection pin and a current detection pin, the current detection pin is sleeved on the voltage detection pin in an insulating manner, a first return spring is arranged between the voltage detection pin and the current detection pin, and a second return spring is arranged between the current detection pin and the insulating sleeve.
In one embodiment, the current detection pin is uniformly provided with current collection contacts at all positions on the bottom, and the voltage detection pin is uniformly provided with voltage collection contacts at all positions on the bottom.
In one embodiment, the upper end of the current detection needle is provided with an external thread part; the external thread portion threaded connection first nut and second nut, first nut with press from both sides between the second nut and be equipped with the cover and locate the connecting piece of external thread portion.
In one embodiment, the connector comprises a lower terminal sleeved on the external thread part, an upper terminal and a cable connecting the upper terminal and the lower terminal.
In one embodiment, a deformation groove is further formed in one end, away from the fixture block, of the insulating sleeve, a deformation end is formed, a sleeve convex portion is arranged on the outer surface of the deformation end, and a guide surface is arranged on the surface of the sleeve convex portion.
In one embodiment, the limiting spring is sleeved on the insulating sleeve, a clamping ring is further sleeved on the insulating sleeve, one side surface of the clamping ring is abutted to the limiting spring, and the other side surface of the clamping ring is abutted to the sleeve convex part.
In one embodiment, the number of the bosses is two, and the bosses are distributed on two sides of the insulating base sleeve.
In one embodiment, the surface of the middle of the insulating sleeve is provided with a bump.
The utility model has the advantages that:
the height can be adjusted, and when the test is not needed, the height can be changed, and the test of batteries of another type is not influenced.
Drawings
Fig. 1 is an exploded view of the multi-step retractable probe of the present invention.
Fig. 2 is a schematic view of the overall structure of the multi-step shrinkage probe of the present invention.
Fig. 3 is a cross-sectional view of the multi-step shrink probe of the present invention.
Fig. 4 is a schematic structural diagram of the insulating base sleeve in the multi-step shrinkage probe of the present invention.
Fig. 5 is a working schematic diagram of the multi-step shrinkage probe and the mounting plate of the present invention.
Fig. 6 is a schematic structural view of an insulating sleeve in the multi-step shrinkage probe of the present invention.
Detailed Description
The present invention is further described with reference to the following drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1 to 6, a multi-step shrinkage probe includes: the device comprises an insulation base sleeve 100, an insulation sleeve 200, an insulation pressing block 300, a limiting spring 400 and a detection needle group 500, wherein the insulation pressing block is sleeved on the insulation base sleeve, the insulation base sleeve is sleeved on the insulation sleeve, and the insulation sleeve is sleeved on the detection needle group;
a clamping block 210 is arranged on the surface of one end of the insulating sleeve, and a gear groove is formed in the inner wall of the insulating base sleeve; the limiting spring is arranged between the insulating base sleeve and the insulating pressing block; the gear groove comprises a plurality of height change grooves 110 and a change sliding groove 120 for penetrating through the height change grooves, the fixture block moves in the height change grooves through the change sliding groove, and the limit spring is used for providing limit force for abutting the fixture block with the bottoms of the height change grooves;
the insulating base is sheathe in and is equipped with boss 130, the recess cooperation on boss and the mounting panel, spacing spring makes insulating briquetting is pressed on the mounting panel, insulating base cover with insulating briquetting cooperates jointly and carries the mounting panel.
The utility model has the advantages that:
the height can be adjusted, and when the test is not needed, the height can be changed, and the test of batteries of another type is not influenced.
Principle of operation of the height change: the application takes two gears as an example, namely two height change grooves are arranged, named as a first height change groove and a second height change groove, when in use, the clamping block is positioned in the first height change groove, when the height needs to be adjusted, force is applied to the insulating sleeve, as the limiting spring is arranged between the insulating sleeve and the insulating base sleeve, the movement of the insulating sleeve can compress the limiting spring, so that the limiting spring stores energy, the clamping block can be limited after moving to the change sliding groove, the hand part has touch, the insulating sleeve is rotated at the moment, so that the clamping block moves in the change sliding groove, when the clamping block moves to the position opposite to the second height change groove, the hand can be loosened, the limiting spring storing energy after the hand loosening is released, the clamping block is axially jacked to move, namely the clamping block enters the second height change groove to move, and is limited when moving to the groove bottom, and the insulation sleeve is matched with the limit spring, so that the insulation sleeve and the insulation base sleeve are matched and fixed.
In one embodiment, the insulating base sleeve, the insulating sleeve and the insulating press block are all integrally formed by injection molding.
In one embodiment, the detection pin set includes a voltage detection pin 510 and a current detection pin 520, the current detection pin is sleeved on the voltage detection pin in an insulating manner, a first return spring 511 is arranged between the voltage detection pin and the current detection pin, and a second return spring 521 is arranged between the current detection pin and the insulating sleeve.
In one embodiment, the current detection pin is uniformly provided with current collection contacts at all positions on the bottom, and the voltage detection pin is uniformly provided with voltage collection contacts at all positions on the bottom.
When detecting, the voltage detection needle contacts the utmost point ear of battery earlier, because first reset spring's setting, the voltage detection needle can elasticity dodge, keeps contact pressure, and the current detection needle contacts with utmost point ear again in subsequent removal, and second reset spring effect this moment, current detection needle elasticity dodge, also keeps contact pressure, reaches measuring effect. When the movable reset is carried out, the voltage detection pin and the current detection pin are reset along with the movable reset under the action of the first reset spring and the second reset spring.
In one embodiment, the upper end of the current detection pin is provided with an external thread part 521; the external thread part is in threaded connection with a first nut 522 and a second nut 523, and a connecting piece sleeved on the external thread part is clamped between the first nut and the second nut.
In one embodiment, the connector includes a lower terminal 610 fitted over the male threaded portion, an upper terminal 620, and a cable 630 connecting the upper terminal and the lower terminal.
In one embodiment, the surface of the end of the insulating sleeve away from the latch is further formed with a deformation groove 220 and a deformation end, the outer surface of the deformation end is provided with a sleeve convex part 230, and the surface of the sleeve convex part is provided with a guide surface 231.
In one embodiment, the limiting spring is sleeved on the insulating sleeve, a clamping ring 240 is further sleeved on the insulating sleeve, one side surface of the clamping ring abuts against the limiting spring, and the other side surface of the clamping ring abuts against the sleeve convex part.
In one embodiment, the number of the bosses is two, and the bosses are distributed on two sides of the insulating base sleeve. In this case, the probes may be clamped to the left and right mounting plates 1000.
In one embodiment, the surface of the middle of the insulating sleeve is provided with a bump 232. Because the lug blocks the insulating base sleeve, the insulating base sleeve can be conveniently separated from the mounting plate when the probe is pressed downwards, and meanwhile, the insulating sleeve can be prevented from being separated from the insulating base sleeve.
The working principle is briefly described as follows:
the mounting plate is provided with 100 grooves, for example, and 32 probes are placed on the mounting plate to test 16 batteries simultaneously (the positive and negative electrodes of the batteries need one probe respectively). When preparing to test another type battery in batches next time, because the difference of battery model leads to placing 16 batteries below the mounting panel, change the height of the probe that does not need to use through above-mentioned operating method, can change the recess position of probe at the mounting panel simultaneously as required, when so mounting panel moves downwards, the battery of test can not be touched to unnecessary probe that does not participate in the test. Alternatively, when it is desired to test batteries of two different heights in batches, the heights of some of the probes may be changed, so that batteries of multiple heights can be measured simultaneously.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. A multi-step shrink probe, comprising: the insulation base sleeve is sleeved with the insulation pressing block, the insulation base sleeve is sleeved on the insulation sleeve, and the insulation sleeve is sleeved on the detection needle group;
a clamping block is arranged on the surface of one end of the insulating sleeve, and a gear groove is formed in the inner wall of the insulating base sleeve; the limiting spring is arranged between the insulating base sleeve and the insulating pressing block; the gear groove comprises a plurality of height change grooves and a change sliding groove which is used for penetrating through the height change grooves, the fixture block moves in the height change grooves through the change sliding groove, and the limiting spring is used for providing limiting force for the fixture block to abut against the bottom of the height change groove;
the insulating base is sleeved with a boss, the boss is matched with a groove in the mounting plate, the limiting spring enables the insulating pressing block to be pressed on the mounting plate, and the insulating base sleeve and the insulating pressing block are matched together to clamp the mounting plate.
2. The multi-step shrink probe of claim 1, wherein the insulating base sleeve, the insulating sleeve, and the insulating press block are integrally formed by injection molding.
3. The multi-step shrink probe of claim 1, wherein the set of probe pins comprises a voltage probe pin and a current probe pin, the current probe pin is sleeved on the voltage probe pin in an insulating manner, a first return spring is disposed between the voltage probe pin and the current probe pin, and a second return spring is disposed between the current probe pin and the insulating sleeve.
4. The multi-step contraction probe according to claim 3, wherein the current sensing pin has current collecting contacts uniformly provided at all locations on the bottom thereof, and the voltage sensing pin has voltage collecting contacts uniformly provided at all locations on the bottom thereof.
5. The multi-step contraction probe according to claim 3, wherein the current sensing pin is provided at an upper end thereof with an external thread portion; the external thread portion threaded connection first nut and second nut, first nut with press from both sides between the second nut and be equipped with the cover and locate the connecting piece of external thread portion.
6. The multi-step contraction probe of claim 5, wherein the connector comprises a lower terminal fitted over the male threaded portion, an upper terminal, and a cable connecting the upper terminal and the lower terminal.
7. The multi-step shrinkage probe of claim 1, wherein the end of said insulating sleeve remote from said fixture block is further formed with a deformation groove and a deformation end, said deformation end having a sleeve protrusion on an outer surface thereof, said sleeve protrusion having a guide surface on a surface thereof.
8. The multi-step shrinkage probe of claim 7, wherein the limiting spring is sleeved on the insulating sleeve, and a retaining ring is further sleeved on the insulating sleeve, one side surface of the retaining ring abuts against the limiting spring, and the other side surface of the retaining ring abuts against the sleeve convex part.
9. The multi-step shrink probe of claim 1, wherein the number of bosses is two, distributed on both sides of the insulating base sleeve.
10. The multi-step shrink probe of claim 1, wherein a surface of the middle of the insulative sleeve is provided with a bump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922370873.2U CN211718353U (en) | 2019-12-25 | 2019-12-25 | Multi-step shrinkage probe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922370873.2U CN211718353U (en) | 2019-12-25 | 2019-12-25 | Multi-step shrinkage probe |
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| Publication Number | Publication Date |
|---|---|
| CN211718353U true CN211718353U (en) | 2020-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201922370873.2U Active CN211718353U (en) | 2019-12-25 | 2019-12-25 | Multi-step shrinkage probe |
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| CN (1) | CN211718353U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907671A (en) * | 2019-12-25 | 2020-03-24 | 昆山康信达光电有限公司 | Multi-step shrinkage probe |
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2019
- 2019-12-25 CN CN201922370873.2U patent/CN211718353U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110907671A (en) * | 2019-12-25 | 2020-03-24 | 昆山康信达光电有限公司 | Multi-step shrinkage probe |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000 building A3, No. 1601, Yingbin West Road, Baicheng Town, Kunshan City, Suzhou City, Jiangsu Province Patentee after: Kangxinda Technology (Suzhou) Co.,Ltd. Address before: 215000 building A3, No. 1601, Yingbin West Road, Baicheng Town, Kunshan City, Suzhou City, Jiangsu Province Patentee before: KUNSHAN KANG XINDA PHOTOELECTRIC CO.,LTD. |
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| CP01 | Change in the name or title of a patent holder |