CN217086718U - Lithium ion battery cell with prevent extrusion structure - Google Patents

Lithium ion battery cell with prevent extrusion structure Download PDF

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Publication number
CN217086718U
CN217086718U CN202123210209.5U CN202123210209U CN217086718U CN 217086718 U CN217086718 U CN 217086718U CN 202123210209 U CN202123210209 U CN 202123210209U CN 217086718 U CN217086718 U CN 217086718U
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China
Prior art keywords
battery cell
connecting sleeve
lithium ion
ion battery
positive
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CN202123210209.5U
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Chinese (zh)
Inventor
何学祥
朱一虎
吴少华
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Guangdong Cavtop New Energy Technology Co ltd
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Guangdong Cavtop New Energy Technology Co ltd
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Abstract

The utility model discloses a lithium ion battery cell with anti-extrusion structure, which comprises a cell body, wherein a protective pad is fixedly connected on the circumferential outer wall of the cell body, two inner-layer protection plates are symmetrically arranged on the outer wall of the protective pad, two ends of the inner-layer protection plates are positioned at the positive pole of the cell body and are provided with positive pole connecting sleeves, and the negative pole is provided with negative pole connecting sleeves; the utility model discloses a set up protection pad, inlayer guard plate and outer guard plate in the outside of electricity core body to set up the spring between inlayer guard plate and outer guard plate, the spring can play the effect of buffering, and can carry out better protection to the electricity core body under the additional action of outer guard plate, inlayer guard plate and protection pad, prevent that it warp when receiving the extrusion, and then can effectual extension electricity core body's life.

Description

Lithium ion battery cell with prevent extrusion structure
Technical Field
The utility model relates to a lithium ion battery cell technical field specifically is a lithium ion battery cell with prevent extrusion structure.
Background
Lithium ion cell is the main component part of common power supply unit battery among the daily life, and lithium ion cell's outer wall is comparatively soft among the prior art, consequently produces deformation when receiving the extrusion easily, especially easily receives in the production process and collides with, and then increases its secondary rate, and when daily use, it easily receives the extrusion simultaneously and leads to warping also can influence its life-span of using, and lithium ion cell outside among the prior art has not yet prevented the extrusion structure. In view of this, we propose a lithium ion battery cell with an anti-extrusion structure.
SUMMERY OF THE UTILITY MODEL
In order to make up for above not enough, the utility model provides a lithium ion battery cell with prevent extrusion structure.
The technical scheme of the utility model is that:
a lithium ion battery cell with an anti-extrusion structure comprises a cell body, wherein a protective pad is fixedly connected to the outer wall of the circumference of the cell body, two inner-layer protective plates are symmetrically installed on the outer wall of the protective pad, two ends of each inner-layer protective plate are located at the positive pole of the cell body and provided with a positive pole connecting sleeve, and two ends of each inner-layer protective plate are located at the negative pole and provided with a negative pole connecting sleeve; the circumferential outer walls of the positive connecting sleeve and the negative connecting sleeve are in threaded connection with an outer protection plate with the length larger than that of the battery cell body, and a plurality of springs which are arranged at equal intervals are arranged between the inner wall of the outer protection plate and the outer wall of the inner protection plate; the positive electrode connecting sleeve and the negative electrode connecting sleeve are both in threaded connection with the inner protection plate.
According to the preferable technical scheme, the joint of the two inner-layer protection plates is provided with a fixing clamp part, and the fixing clamp part comprises a clamping block and a sliding plate, wherein the clamping block is in sliding connection with the inner-layer protection plates, and the sliding plate is in sliding connection with the clamping block.
As a preferred technical scheme, a sliding groove in sliding connection with the clamping block is formed in the inner-layer protection plate.
As a preferable technical scheme, the fixing clip member is located between the positive electrode connecting sleeve and the negative electrode connecting sleeve, and two ends of the fixing clip member are respectively in close contact with the positive electrode connecting sleeve and the negative electrode connecting sleeve.
As a preferred technical scheme, the positive electrode connecting sleeve is provided with a positive electrode outlet through which the positive electrode of the cell body passes.
As a preferred technical scheme, a negative electrode outlet through which the negative electrode of the battery cell body passes is formed on the negative electrode connecting sleeve.
As a preferred technical scheme, one end of the spring is fixedly connected with the circumferential outer wall of the inner protection plate, and the other end of the spring is in close contact with the inner wall of the outer protection plate.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses a set up protection pad, inlayer guard plate and outer guard plate in the outside of electric core body to set up the spring between inlayer guard plate and outer guard plate, the spring can play the effect of buffering, and can carry out better protection to electric core body under the additional action of outer guard plate, inlayer guard plate and protection pad, prevent that it warp when receiving the extrusion, and then can effectual extension electric core body's life.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the present invention shown in fig. 1 with the outer protective plate removed;
fig. 3 is a schematic structural view of the present invention after the positive electrode connecting sleeve and the negative electrode connecting sleeve are removed from fig. 2;
fig. 4 is a left side view of fig. 2 according to the present invention;
fig. 5 is a schematic partial structure diagram of fig. 4 in the present invention;
fig. 6 is a left side view of the external structure of the cell body of the present invention (excluding the positive connection sleeve);
fig. 7 is a schematic structural view of the cathode connecting sleeve of the present invention;
fig. 8 is a schematic structural view of the middle anode connecting sleeve of the present invention.
The meaning of the individual reference symbols in the figures is:
an outer layer protection plate 1; a positive electrode connecting sleeve 2; a positive electrode outlet 20; a cell body 3; a negative electrode connecting sleeve 4; a negative electrode outlet 40; a fixing clip member 5; a latch 50; a slide plate 51; an inner layer guard plate 6; a chute 60; a protective pad 7; and a spring 8.
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.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Referring to fig. 1-8, the present invention provides a technical solution:
a lithium ion battery cell with an anti-extrusion structure comprises a cell body 3, wherein a protective pad 7 is fixedly connected to the circumferential outer wall of the cell body 3, two inner-layer protective plates 6 are symmetrically arranged on the outer wall of the protective pad 7, two ends of each inner-layer protective plate 6 are positioned at the positive pole of the cell body 3 and are provided with a positive pole connecting sleeve 2, and two ends of each inner-layer protective plate 6 are positioned at the negative pole and are provided with a negative pole connecting sleeve 4; the outer protective plate 1 with the length larger than that of the battery cell body 3 is connected to the circumferential outer walls of the positive electrode connecting sleeve 2 and the negative electrode connecting sleeve 4 in a threaded manner, and a plurality of springs 8 which are arranged at equal intervals are arranged between the inner wall of the outer protective plate 1 and the outer wall of the inner protective plate 6; the positive electrode connecting sleeve 2 and the negative electrode connecting sleeve 4 are both in threaded connection with the inner protection plate 6.
It is supplementary to need, what the protection of 7 in this embodiment was adopted is that flexible material makes, therefore protection 7 can play the cushioning effect, and inlayer guard plate 6 is solid, and solid inlayer guard plate 6 possesses higher intensity and can protect electric core body 3.
It should be noted that, set up protection pad 7, inlayer guard plate 6 and outer guard plate 1 in electric core body 3's outside in this embodiment, and set up spring 8 between inlayer guard plate 6 and outer guard plate 1, spring 8 can play the effect of buffering, and can carry out better protection to electric core body 3 under the additional action of outer guard plate 1, inlayer guard plate 6 and protection pad 7, prevent that it from being out of shape when receiving the extrusion, and then can effectual extension electric core body 3's life.
Preferably, the two inner protective plates 6 are provided with fixing clip members 5 at the joints, and the fixing clip members 5 include clips 50 slidably connected with the inner protective plates 6 and sliding plates 51 slidably connected with the clips 50.
Preferably, the inner protective plate 6 is provided with a sliding slot 60 slidably connected with the latch 50.
It should be noted that, when the inner protection plate 6 is installed outside the protection pad 7, at first, the sliding grooves 60 on the two inner protection plates 6 need to be aligned, then the fixture block 50 is inserted into the sliding grooves 60, that is, the two inner protection plates 6 can be connected, then the sliding plate 51 slides in the fixture block 50, and meanwhile, the positive connection sleeve 2 and the negative connection sleeve 4 are screwed on the two ends of the inner protection plate 6 respectively, so that the inner protection plate 6 can be fixed on the cell body 3, and then the outer protection plate 1 is screwed in from the positive connection sleeve 2 until being screwed on the negative connection sleeve 4, so that the installation of each component in the embodiment can be realized.
As a preference of the present embodiment, the fixing clip member 5 is located between the positive electrode connecting sleeve 2 and the negative electrode connecting sleeve 4, and both ends thereof are respectively in close contact with the positive electrode connecting sleeve 2 and the negative electrode connecting sleeve 4.
Preferably, the positive connecting sleeve 2 is provided with a positive outlet 20 through which the positive electrode of the power core body 3 passes.
Preferably, the negative connection sleeve 4 is provided with a negative outlet 40 through which the negative electrode of the cell body 3 passes.
Preferably, one end of each spring 8 is fixedly connected with the outer circumferential wall of the inner protection plate 6, and the other end of each spring is in close contact with the inner wall of the outer protection plate 1.
The utility model discloses a lithium ion cell with prevent extrusion structure is when using, at first with protection pad 7 fixed on electric core body 3 outer wall, then install inlayer guard plate 6 on protection pad 7, be about to spout 60 on two inlayer guard plates 6 and align, then insert spout 60 with fixture block 50, can connect two inlayer guard plates 6 promptly, then slide 51 is gone up again on fixture block 50, and meanwhile twist up anodal adapter sleeve 2 and negative pole adapter sleeve 4 respectively at the both ends of inlayer guard plate 6 and can fix inlayer guard plate 6 on electric core body 3, then twist outer guard plate 1 from anodal adapter sleeve 2 until screwing up on negative pole adapter sleeve 4 again, can realize the installation of each part in this embodiment.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (7)

1. The utility model provides a lithium ion battery cell with prevent extrusion structure, includes electric core body (3), its characterized in that: the battery cell comprises a battery cell body (3), and is characterized in that a protective pad (7) is fixedly connected to the circumferential outer wall of the battery cell body (3), two inner-layer protective plates (6) are symmetrically arranged on the outer wall of the protective pad (7), two ends of each inner-layer protective plate (6) are positioned at the positive pole of the battery cell body (3) and are provided with positive pole connecting sleeves (2), and negative pole connecting sleeves (4) are arranged at the negative pole; the outer protection plate (1) with the length larger than that of the battery cell body (3) is in threaded connection with the outer circumferential walls of the positive connecting sleeve (2) and the negative connecting sleeve (4), and a plurality of springs (8) arranged at equal intervals are arranged between the inner wall of the outer protection plate (1) and the outer wall of the inner protection plate (6); the positive electrode connecting sleeve (2) and the negative electrode connecting sleeve (4) are in threaded connection with the inner protection plate (6).
2. The lithium ion battery cell having an anti-crush structure of claim 1, wherein: two fixed card parts (5) are arranged at the joint of the inner layer protection plates (6), and each fixed card part (5) comprises a clamping block (50) in sliding connection with the inner layer protection plate (6) and a sliding plate (51) in sliding connection with the clamping block (50).
3. The lithium ion battery cell having an anti-crush structure of claim 2, wherein: the inner layer protection plate (6) is provided with a sliding groove (60) which is in sliding connection with the clamping block (50).
4. The lithium ion battery cell having an anti-crush structure of claim 3, wherein: the fixed clamping component (5) is positioned between the positive connecting sleeve (2) and the negative connecting sleeve (4), and two ends of the fixed clamping component are respectively in close contact with the positive connecting sleeve (2) and the negative connecting sleeve (4).
5. The lithium ion battery cell having an anti-crush structure of claim 1, wherein: and the positive connecting sleeve (2) is provided with a positive outlet (20) for the positive electrode of the battery cell body (3) to pass through.
6. The lithium ion battery cell having an anti-crush structure of claim 1, wherein: and a negative electrode outlet (40) for the negative electrode of the battery cell body (3) to pass through is formed in the negative electrode connecting sleeve (4).
7. The lithium ion battery cell having an anti-crush structure of claim 1, wherein: one end of the spring (8) is fixedly connected with the outer wall of the circumference of the inner protection plate (6) respectively, and the other end of the spring is in close contact with the inner wall of the outer protection plate (1).
CN202123210209.5U 2021-12-20 2021-12-20 Lithium ion battery cell with prevent extrusion structure Active CN217086718U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202123210209.5U CN217086718U (en) 2021-12-20 2021-12-20 Lithium ion battery cell with prevent extrusion structure

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202123210209.5U CN217086718U (en) 2021-12-20 2021-12-20 Lithium ion battery cell with prevent extrusion structure

Publications (1)

Publication Number Publication Date
CN217086718U true CN217086718U (en) 2022-07-29

Family

ID=82540126

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202123210209.5U Active CN217086718U (en) 2021-12-20 2021-12-20 Lithium ion battery cell with prevent extrusion structure

Country Status (1)

Country Link
CN (1) CN217086718U (en)

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