CN217766756U

CN217766756U - Novel explosion-proof safe intelligent test device in polymer lithium cell area

Info

Publication number: CN217766756U
Application number: CN202221086514.XU
Authority: CN
Inventors: 何志军; 周聘
Original assignee: Shenzhen Haizhiyuan Technology Co ltd
Current assignee: Shenzhen Haizhiyuan Technology Co ltd
Priority date: 2022-05-09
Filing date: 2022-05-09
Publication date: 2022-11-08
Anticipated expiration: 2032-05-09

Abstract

The utility model discloses a novel explosion-proof safe intelligent test device in polymer lithium cell area relates to lithium cell test technical field, including organism and the test fixture of fixed connection in the inside one side of organism, the inside fixedly connected with mount of organism, the flitch is put to top one side fixedly connected with of mount, the mouth has been seted up to one side of mount, settle one side fixedly connected with support column of mouth, settle the opposite side fixedly connected with limiting plate of mouth, threaded hole is seted up to one side of support column, the screw rod has been cup jointed in the inside rotation of screw hole, the one end fixedly connected with knob of screw rod. The utility model discloses a fix the multiple spot location of battery, guarantee that the battery is in stable state in the test procedure, reduced in the test procedure because of the atress skew leads to the possibility from the roll-off in the test fixture, improved test data's accuracy, also conveniently keep the relevant data simultaneously.

Description

Novel explosion-proof safe intelligent test device in polymer lithium cell area

Technical Field

The utility model relates to a lithium battery test technical field, in particular to novel explosion-proof safe intelligent test device in polymer lithium cell area.

Background

A polymer lithium battery, also called a polymer lithium battery, is a chemical battery using lithium metal or lithium alloy as positive and negative electrode materials and using a non-aqueous electrolyte solution. Compared with general batteries, polymer lithium batteries have the advantages of high energy, miniaturization, light weight and the like, and currently, lithium batteries become the mainstream of the battery market. Lithium is very active in chemical property and easy to combust, and gas expansion can be generated in the activation process of the battery, so that the internal pressure of the battery is increased, the battery is easy to crack, and liquid leakage, fire and even explosion are caused. Therefore, explosion-proof tests are required in the production evaluation of lithium batteries.

The current explosion-proof testing arrangement of lithium cell is through promoting the shell of stripper plate direct extrusion lithium cell, the packing that realizes the lithium cell can bear the pressure test, but not fix in advance to the test article, make the test article when testing easily, lead to sliding with the contact surface of stripper plate because of the atress skew, can lead to the test article to follow the stripper plate roll-off and make the test failure, or lead to the area of contact between test article and the stripper plate to change, make test data inaccurate enough, therefore, this application provides a novel explosion-proof safe intelligent testing arrangement of polymer lithium cell area and satisfies the demand.

SUMMERY OF THE UTILITY MODEL

An object of this application is to provide a novel explosion-proof safe intelligent test device in polymer lithium cell area to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the present application provides the following technical solutions: the testing fixture comprises a machine body and a testing fixture fixedly connected to one side inside the machine body, wherein a fixing frame is fixedly connected to the inside of the machine body, a material placing plate is fixedly connected to one side of the top of the fixing frame, a placing opening is formed in one side of the fixing frame, a supporting column is fixedly connected to one side of the placing opening, a limiting plate is fixedly connected to the other side of the placing opening, a threaded hole is formed in one side of the supporting column, a screw rod is rotatably sleeved inside the threaded hole, a knob is fixedly connected to one end of the screw rod, two sliding grooves are formed in the inner portion of the placing opening, the same sliding block is slidably connected to the inner portions of the two sliding grooves, two connecting frames are fixedly connected to one side of the sliding block, and connecting grooves are formed in the two connecting frames, one the spread groove internal rotation is connected with adjustable shelf one, another the spread groove internal rotation is connected with adjustable shelf two, the connecting axle has all been cup jointed in the inside of adjustable shelf one and adjustable shelf two, the both ends of connecting axle are run through in the top and the bottom of link, the connector has all been seted up on adjustable shelf one and the adjustable shelf two, two it has the extrusion piece all to peg graft in the link, the inside rotation of extrusion piece has cup jointed the pivot, and is a set of the both ends of pivot are run through in the top and the bottom of connector, six slide bars have been cup jointed in the inside slip of limiting plate, the one end of slide bar runs through in the both sides of limiting plate, the one end fixedly connected with contact piece 17 of slide bar 15.

Preferably, the one end fixedly connected with slipmat of slide bar, the slip cap has spring one on the slide bar, the both ends of spring one are inconsistent with contact piece and limiting plate respectively.

Preferably, two the inside equal fixedly connected with spring two of spout, the one end and the sliding block of spring two are inconsistent.

Preferably, six fixing grooves are formed in one side of the material placing plate.

Preferably, one side of the machine body is fixedly connected with an observation window, and the observation window is connected with the machine body through a rivet.

Preferably, one end of the test fixture may extend to at most one side of the fixing frame.

To sum up, the utility model discloses a technological effect and advantage:

1. the utility model discloses rational in infrastructure, it drives the screw rod at the support column internal rotation to rotate the knob, it is close to the limiting plate to promote the sliding block, drive adjustable shelf one and two and relevant part motions of adjustable shelf through connecting axle and link, the extrusion piece drives the slide bar through promoting the contact piece and slides in the limiting plate, the effect through the pivot drives the extrusion piece and rocks in adjustable shelf one and two, guarantee extrusion piece and contact piece stable contact, resilience through spring two makes the sliding block reset, resilience through spring one drives the slide bar and keeps away from and puts the flitch, realize that the slide bar resets. Through the multipoint positioning and fixing of the battery, the battery is ensured to be in a stable state in the testing process, the possibility of slipping out of the testing fixture caused by stress deflection in the testing process is reduced, the accuracy of testing data is improved, and meanwhile, related data are conveniently reserved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic perspective view of a novel explosion-proof safety intelligent test device for a polymer lithium battery;

FIG. 2 is a partial sectional view of the internal structure of a polymer lithium battery with a novel explosion-proof safety intelligent test device;

FIG. 3 is a partial cross-sectional view of a material plate connecting structure in a novel explosion-proof safety intelligent testing device for a polymer lithium battery;

FIG. 4 is a partial sectional view of a spring II connecting structure in a novel explosion-proof safety intelligent testing device for a polymer lithium battery;

fig. 5 is a partial sectional view of a movable frame connecting structure in a novel explosion-proof safety intelligent testing device for a polymer lithium battery.

In the figure: 1. a body; 2. a fixed mount; 3. placing a material plate; 4. a slider; 5. a limiting plate; 6. a support column; 7. a screw; 8. a knob; 9. a connecting frame; 10. a connecting shaft; 11. a first movable frame; 12. a second movable frame; 13. a rotating shaft; 14. extruding the block; 15. a slide bar; 16. a first spring; 17. a contact piece; 18. a non-slip mat; 19. a second spring; 20. an observation window; 21. and (6) testing the clamp.

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.

Example (b): referring to fig. 1-5, a novel explosion-proof safe intelligent testing device for a polymer lithium battery belt comprises a machine body 1 and a testing fixture 21 fixedly connected to one side of the interior of the machine body 1, wherein a fixed frame 2 is fixedly connected to the interior of the machine body 1, a material placing plate 3 is fixedly connected to one side of the top of the fixed frame 2, a placing port is formed in one side of the fixed frame 2, a supporting column 6 is fixedly connected to one side of the placing port, a limiting plate 5 is fixedly connected to the other side of the placing port, a threaded hole is formed in one side of the supporting column 6, a screw 7 is rotatably sleeved in the threaded hole, a knob 8 is fixedly connected to one end of the screw 7, two sliding grooves are formed in the placing port, the same sliding block 4 is slidably connected to the interior of the two sliding grooves, two connecting frames 9 are fixedly connected to one side of the sliding block 4, connecting grooves are formed in the two connecting frames 9, and a movable frame I11 is rotatably connected to one of the connecting grooves, the inside of another connecting groove internal rotation is connected with a movable frame two 12, the inside of a movable frame 11 and a movable frame two 12 all rotates and is cup jointed with a connecting shaft 10, both ends of the connecting shaft 10 run through the top and the bottom of a connecting frame 9, the movable frame 11 and the movable frame two 12 are all provided with connectors, extrusion blocks 14 are all inserted in the two connectors, the inside of the extrusion block 14 rotates and is cup jointed with a rotating shaft 13, both ends of a group of rotating shafts 13 run through the top and the bottom of the connectors, the inside of a limiting plate 5 slides and is cup jointed with six sliding rods 15, one end of each sliding rod 15 runs through both sides of the limiting plate 5, one end of each sliding rod 15 is fixedly connected with a sliding block 17, the rotating knob 8 drives a screw rod 7 to rotate in a supporting column 6, thereby pushing the sliding block 4 to displace until the extrusion blocks 14 contact with the contact piece 17, through the rotation of the extrusion blocks 14 on the rotating shaft 13, the realization is to two contact piece 17 conflict effects, realizes through the effect of connecting axle 10 that the adjustable shelf is 11 and the stable rotation of adjustable shelf two 12 in link 9 to the effect of realizing the stable pushing action to six slide bars 15 through the effect of six contact pieces 17, finally the realization is fixed to the multiple spot of battery.

Referring to fig. 2, 3 and 4, an anti-slip pad 18 is fixedly connected to one end of the sliding rod 15, a first spring 16 is slidably sleeved on the sliding rod 15, two ends of the first spring 16 respectively abut against the contact piece 17 and the limiting plate 5, friction between the sliding rod 15 and the battery is increased under the action of the anti-slip pad 18, connection tightness is ensured, and the sliding rod 15 is driven to be away from the material placing plate 3 under the action of the first spring 16 after the test is completed by determining the position connection relationship between the first spring 16 and the limiting plate 5 and the contact piece 17, so that the battery is released from being fixed.

Referring to fig. 2, 3, 4 and 5, a second spring 19 is fixedly connected inside each of the two sliding grooves, one end of the second spring 19 abuts against the sliding block 4, and after the test is completed, the sliding block 4 is driven to move by resilience of the second spring 19, so that the sliding block 4 is automatically reset, and the difficulty in manual operation of the device is reduced.

As shown in fig. 2, fig. 3 and fig. 4, six fixing grooves are formed in one side of the material placing plate 3, and the material placing plate 3 can fix the square battery and the cylindrical battery through the fixing grooves, so that the application range of the device is widened.

Referring to fig. 1 and 2, an observation window 20 is fixedly connected to one side of the machine body 1, the observation window 20 is connected to the machine body 1 through a rivet, and an operator can observe details of a test situation in detail from the outside through the observation window 20, so that the operator can conveniently store related video data.

Referring to fig. 2, 3 and 4, one end of the testing fixture 21 can extend to one side of the fixing frame 2 at most, so as to define the farthest extending distance of the testing fixture 21, and ensure that the testing fixture 21 can be used to fully test the battery fixed on the fixing frame 2, and the problem of the extending distance does not cause that the corner of the battery cannot be tested.

This practical theory of operation: the installation and use of the device are subject to relevant safety regulations, and misoperation is avoided. When the device is used, firstly, a battery is placed in a gap between the limiting plate 5 and the material placing plate 3, then the rotating knob 8 is rotated to drive the screw 7 to rotate in the supporting column 6, so that the sliding block 4 is pushed to be close to the limiting plate 5, the first movable frame 11 and the second movable frame 12 are stably connected with the connecting frame 9 through the action of the connecting shaft 10 until the extrusion block 14 is contacted with the contact piece 17, at the moment, the extrusion block 14 drives the sliding rod 15 to be close to the battery through the pushing contact piece 17 until the anti-slip mat 18 is attached to the battery, in the process, the extrusion block 14 is driven to rock in the first movable frame 11 and the second movable frame 12 through the action of the rotating shaft 13, finally, multi-point fixation of the battery is realized through the six sliding rods 15, the battery is subjected to pressure test through the test fixture 21, then, the rotating knob 8 is rotated reversely after the test is completed, the sliding block 4 is reset through the rebounding of the second spring 19, the sliding rod 15 is driven to be far away from the material placing plate 3 through the rebounding of the first spring 16, and the fixation of the battery is released.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a novel explosion-proof safe intelligent test device in polymer lithium cell area, includes organism (1) and fixed connection at test fixture (21) of organism (1) inside one side, its characterized in that: a fixed frame (2) is fixedly connected in the machine body (1), a material placing plate (3) is fixedly connected to one side of the top of the fixed frame (2), a placing opening is formed in one side of the fixed frame (2), a supporting column (6) is fixedly connected to one side of the placing opening, a limiting plate (5) is fixedly connected to the other side of the placing opening, a threaded hole is formed in one side of the supporting column (6), a screw rod (7) is sleeved on the inner portion of the threaded hole in a rotating mode, a knob (8) is fixedly connected to one end of the screw rod (7), two sliding grooves are formed in the placing opening, the two sliding grooves are connected in a sliding mode, the same sliding block (4) is connected in a sliding mode, two connecting frames (9) are fixedly connected to one side of the sliding block (4), two connecting grooves are formed in the two connecting frames (9), one connecting groove is connected with a first movable frame (11) in a rotating mode, the other connecting frame (12) is connected in a rotating mode, connecting shafts (10) are sleeved on the first movable frame (11) and the second movable frame (12) in a rotating mode, two connecting ends of the connecting shaft (14) penetrate through the top and the bottom of the connecting frame (9), and two rotating blocks (14) are connected in a rotating mode, a set of the both ends of pivot (13) run through in the top and the bottom of connector, six slide bars (15) have been cup jointed in the inside slip of limiting plate (5), the one end of slide bar (15) runs through in the both sides of limiting plate (5), the one end fixedly connected with contact piece (17) of slide bar (15).

2. The novel intelligent explosion-proof safety test device for polymer lithium batteries according to claim 1, characterized in that: one end fixedly connected with slipmat (18) of slide bar (15), sliding sleeve has connected spring one (16) on slide bar (15), the both ends of spring one (16) respectively with contact piece (17) and limiting plate (5) inconsistent.

3. The novel explosion-proof safe intelligent test device for the polymer lithium battery belt according to claim 1, is characterized in that: two the inside equal fixedly connected with spring two (19) of spout, the one end and the sliding block (4) of spring two (19) are inconsistent.

4. The novel explosion-proof safe intelligent test device for the polymer lithium battery belt according to claim 1, is characterized in that: six fixing grooves are formed in one side of the material placing plate (3).

5. The novel explosion-proof safe intelligent test device for the polymer lithium battery belt according to claim 1, is characterized in that: one side fixedly connected with observation window (20) of organism (1), observation window (20) are connected with organism (1) through the rivet.

6. The novel explosion-proof safe intelligent test device for the polymer lithium battery belt according to claim 1, is characterized in that: one end of the test fixture (21) can extend to one side of the fixing frame (2) at most.