CN215070228U

CN215070228U - Polymer lithium cell with anticollision function

Info

Publication number: CN215070228U
Application number: CN202121329394.7U
Authority: CN
Inventors: 吴更生; 黄建福; 郑华
Original assignee: Quanzhou Fengyun New Energy Technology Co ltd
Current assignee: Quanzhou Fengyun New Energy Technology Co ltd
Priority date: 2021-06-16
Filing date: 2021-06-16
Publication date: 2021-12-07
Anticipated expiration: 2031-06-16

Abstract

The utility model provides a polymer lithium cell with anticollision function, including the lithium cell, the connection foot is installed to the equal symmetry in lithium cell both sides top and bottom, the connection foot top that wherein is located the top is provided with first anticollision piece, the connection foot bottom that is located the bottom is provided with the anticollision piece of second, first anticollision piece and two fixed blocks of the equal fixedly connected with in second anticollision piece surface, the spout has been seted up to fixed block one side, connect foot and spout sliding connection, equal fixedly connected with buffer gear between first anticollision piece and the anticollision piece both sides of second anticollision, the impact that receives the lithium cell through the buffer gear that is equipped with cushions, avoid impact direct action on the lithium cell, cause the damage of lithium cell, thereby the safety protection nature of lithium cell has been strengthened, the crashproof ability of lithium cell has been promoted.

Description

Polymer lithium cell with anticollision function

Technical Field

The utility model belongs to the technical field of the lithium cell, concretely relates to polymer lithium cell with anticollision function.

Background

A lithium polymer battery, also called a lithium polymer battery, is a chemical battery. Compared with the prior battery, the polymer lithium battery has the characteristics of high energy, miniaturization and light weight, and the prior polymer lithium battery is short of effective safety protection because the external structure is relatively simple, and when the polymer lithium battery is impacted, the impact force directly acts on the battery, so that the internal elements of the lithium battery are easily damaged, the battery is damaged, and the service life of the polymer lithium battery is greatly reduced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a polymer lithium cell with anticollision function aims at solving among the prior art polymer lithium cell and lacks effectual safety protection, directly leads to the problem that the battery damaged easily when receiving the striking.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a polymer lithium cell with anticollision function, includes the lithium cell, the equal symmetrical connection foot of installing in lithium cell both sides top and bottom, the connection footstock top that wherein is located the top is provided with first anticollision piece, and the connection footstock that is located the bottom is provided with second anticollision piece, two fixed blocks of first anticollision piece and the equal fixedly connected with in second anticollision piece surface, the spout has been seted up to fixed block one side, connect foot and spout sliding connection, equal fixedly connected with buffer gear between first anticollision piece and the second anticollision piece both sides.

In order to make and cushion the impact force, as the utility model relates to an it is preferred, buffer gear includes the first rotation seat of fixed connection in first anticollision piece one side bottom, first rotation seat internal rotation is connected with two first rotation pieces, two the first bracing piece of the equal fixedly connected with in first rotation piece bottom, two first bracing piece all alternates with first sleeve pipe and is connected, two the equal fixedly connected with second rotation piece in first sheathed tube bottom, two second rotation pieces rotate the seat with two seconds respectively and rotate and be connected, and the equal fixed connection in second anticollision piece top one side of seat is rotated to two seconds, the outside cover of first bracing piece is equipped with first spring, the both ends of first spring are connected with first rotation piece bottom and first sleeve pipe top respectively.

In order to make first anticollision piece and second anticollision piece lead when receiving the striking, as the utility model relates to a preferred, the equal fixedly connected with second bracing piece in four edges in first anticollision piece bottom, the equal fixedly connected with second sleeve pipe in four edges in second anticollision piece top, the second bracing piece corresponds the setting with the sheathed tube position of second, the second bracing piece alternates with the second sleeve pipe to be connected.

In order to make this polymer lithium cell be convenient for install, as the utility model relates to an it is preferred, connect the foot and seted up the trompil, the surface of fixed block is located spout top and sets up threaded hole, the trompil corresponds the setting with the screw hole position, connect and fix through bolt and screw hole threaded connection between foot and the fixed block.

In order to make this polymer lithium cell have good heat dissipation function, as the utility model relates to an it is preferred, the lithium cell includes battery body, the battery body outside is provided with the metal protecting crust, be provided with heat conduction silica gel between battery body and the metal protecting crust, the equal fixed mounting in metal protecting crust top and bottom has the fin, the heat dissipation trompil has all been seted up to the both sides lateral wall of metal protecting crust.

In order to make this polymer lithium cell convenient to use, conduct the utility model relates to an it is preferred, connect the foot and adopt to make with elastic metal reed, connect the thickness of foot and the high phase-match of spout, it is fixed through the welding with the metal protecting crust to connect the foot.

In order to make it take out the lithium cell to be convenient for, conduct the utility model relates to an it is preferable, metal protecting crust is located spout open-ended one end fixedly connected with handle.

In order to make this polymer lithium cell be convenient for the installation, as the utility model relates to an it is preferable, the mounting hole has been seted up on first anticollision piece and second anticollision piece surface.

Compared with the prior art, the beneficial effects of the utility model are that:

1) by arranging the buffer mechanism, when the first anti-collision block and the second anti-collision block are impacted, the impact force is buffered under the action of the first support rod, the first sleeve and the first spring, so that the impact force is prevented from directly acting on the lithium battery, the service life of the lithium battery is effectively prolonged, meanwhile, the connecting pins can also provide a good buffer effect, and the anti-collision capability of the polymer lithium battery is further enhanced;

2) through being equipped with metal protecting crust and fin, carry out the heat conduction through the heat that heat conduction silica gel produced to battery body, scatter and disappear to the heat through the fin with the heat dissipation trompil of seting up, avoid battery body heat to pile up and cause the damage, the effectual life who improves this polymer lithium cell.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a buffering mechanism in the present invention;

fig. 3 is a schematic structural view of a fixing plate of the present invention;

fig. 4 is a schematic diagram of a cross-sectional structure of a lithium battery according to the present invention;

fig. 5 is a schematic sectional view of a second support rod and a second sleeve according to embodiment 1 of the present invention;

fig. 6 is a schematic sectional view of a second support rod and a second sleeve according to embodiment 2 of the present invention.

In the figure: 1. a lithium battery; 101. a battery body; 102. a metal protective shell; 103. heat conducting silica gel; 104. a heat sink; 105. opening a heat dissipation hole; 2. a connecting pin; 3. a first anti-collision block; 4. a second anti-collision block; 5. a fixed block; 6. a chute; 7. a buffer mechanism; 71. a first rotating base; 72. a first rotating block; 73. a first support bar; 74. a first sleeve; 75. a second turning block; 76. a second rotating base; 77. a first spring; 8. a second support bar; 9. a second sleeve; 10. a handle; 11. mounting holes; 12. a second spring.

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 1

Referring to fig. 1-5, the present invention provides the following technical solutions: the utility model provides a polymer lithium cell with anticollision function, including

lithium cell

1, 1 both sides top of lithium cell and the equal symmetrical installation in bottom are connected

foot

2, 2 tops of the foot of being connected that wherein lie in the top are provided with

first anticollision piece

3, 2 bottoms of the foot of being connected that lie in the bottom are provided with second anticollision piece 4, first anticollision piece 3 and two fixed blocks 5 of the equal fixedly connected with in second anticollision piece 4 surface, spout 6 has been seted up to fixed block 5 one side, connect

foot

2 and 6 sliding connection of spout, equal fixedly connected with buffer gear 7 between first anticollision piece 3 and the 4 both sides of second anticollision piece.

Preferably, the buffer mechanism 7 includes a first rotating seat 71 fixedly connected to the bottom end of one side of the first anti-collision block 3, two first rotating blocks 72 are rotatably connected in the first rotating seat 71, the bottom ends of the two first rotating blocks 72 are fixedly connected with first supporting rods 73, the two first supporting rods 73 are respectively connected with the first sleeve 74 in an inserting manner, the bottom ends of the two first sleeves 74 are respectively fixedly connected with second rotating blocks 75, the two second rotating blocks 75 are respectively connected with the two second rotating seats 76 in a rotating manner, the two second rotating seats 76 are respectively fixedly connected to one side of the top end of the second anti-collision block 4, a first spring 77 is sleeved outside the first supporting rod 73, two ends of the first spring 77 are respectively connected with the bottom end of the first rotating block 72 and the top end of the first sleeve 74, the first supporting rod 73 drives the first spring 77 to be compressed and deformed, so as to buffer the collision force generated when the first anti-collision block 3 and the second anti-collision block 4 are collided with force, avoid the impact direct action to lithium cell 1's life has been promoted.

Preferably, the equal fixedly connected with second bracing piece 8 in four edges in 3 bottoms of first anticollision pieces, the equal fixedly connected with second sleeve 9 in four edges in 4 tops of second anticollision pieces, second bracing piece 8 corresponds the setting with the position of second sleeve 9, second bracing piece 8 alternates with second sleeve 9 and is connected, make first anticollision pieces 3 and second anticollision pieces 4 atress striking through second bracing piece 8 and second sleeve 9 during, the impact can be along the direction of second bracing piece 8 and second sleeve 9, cooperation buffer gear 7 cushions the impact, lithium cell 1's safety protection nature has been promoted.

Preferably, connect foot 2 and seted up the trompil, the surface of fixed block 5 is located 6 tops of spout and has seted up threaded hole, and the trompil corresponds the setting with the screw hole position, connects and fixes through bolt and screw hole threaded connection between foot 2 and the fixed block 5 for it is fixed to be more convenient for connect foot 2 and fixed block 5.

Preferably, the lithium battery 1 includes a battery body 101, a metal protective shell 102 is arranged outside the battery body 101, a heat-conducting silica gel 103 is arranged between the battery body 101 and the metal protective shell 102, heat radiating fins 104 are fixedly arranged at the top end and the bottom end of the metal protective shell 102, heat radiating holes 105 are formed in the side walls of two sides of the metal protective shell 102, heat generated by the battery body 101 is conducted through the heat-conducting silica gel 103, the heat is radiated through the heat radiating fins 104 and the heat radiating holes 105 formed in the heat radiating holes, the heat radiating capacity of the battery body 101 is improved, damage to the battery body 101 caused by heat accumulation is avoided, and the service life of the battery body 101 is prolonged.

Preferably, connect foot 2 and adopt to make with elastic metal reed, connect the thickness of foot 2 and the high phase-match of spout 6, connect foot 2 and metal protective housing 102 to fix through the welding, connect foot 2 also can provide certain buffer capacity, further promoted lithium cell 1's crashproof ability, connect foot 2 and metal protective housing 102 welding simultaneously for connect foot 2 can carry out the heat conduction to metal protective housing 102 heat, promoted lithium cell 1's heat-sinking capability.

Preferably, the handle 10 is fixedly connected to one end of the metal protective shell 102 located at the opening of the sliding groove 6, so that the worker can take out the lithium battery 1 from the fixing block 5 conveniently.

Preferably, the surfaces of the first anti-collision block 3 and the second anti-collision block 4 are provided with mounting holes 11, so that the lithium battery 1 can be conveniently mounted by a worker.

The working principle is as follows: the staff will connect 6 sliding connection of spout that foot 2 and fixed block 5 seted up, then aim at trompil and screw hole, fix connecting foot 2 through the bolt, avoid lithium cell 1 to take place the skew in the use, when this polymer lithium cell receives the striking, first anticollision piece 3 and the 4 atress of second anticollision piece, lead to the impact force through second bracing piece 8 and second sleeve 9, then first bracing piece 73 is extruded to first rotation piece 72, make first bracing piece 73 retract to first sleeve 74 in, thereby make first spring 77 deformation produce opposite effort, and then cushion the impact force, can extrude connecting foot 2 when first anticollision piece 3 and the 4 atress of second anticollision piece strike simultaneously, connect corresponding cushion effect that foot 2 also can deform and produce, the crashworthiness of this polymer lithium cell has further been promoted, heat that heat conduction silica gel 103 that sets up between cell body 101 and metal protective housing 102 leads to the heat that cell body 101 produced Heat, heat conduction to metal protecting crust 102 surface, the heat is distributed through fin 104 and the heat dissipation trompil 105 of seting up, connects simultaneously foot 2 and metal protecting crust 102 welding to connect foot 2 and can carry out the heat conduction to metal protecting crust 102 surface heat, further strengthened lithium cell 1's heat-sinking capability, avoid the heat to pile up and cause battery body 101 to damage, thereby promoted lithium cell 1's life.

Example 2

Referring to fig. 6, the present embodiment has the following technical features compared with embodiment 1: the bottom end of the interior of the second sleeve 9 is provided with a second spring 12, and the bottom end of the second support rod 8 is connected with the top end of the second spring 12.

Specifically, through the second spring 12 that is equipped with, when second bracing piece 8 leads to the impact force with second sleeve 9, second bracing piece 8 contracts back and extrudees second spring 12 in second sleeve 9 to cushion the impact force through second spring 12, further strengthened lithium cell 1's crashworthiness.

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 may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A polymer lithium battery with anti-collision function comprises a lithium battery (1), and is characterized in that: lithium cell (1) both sides top and the equal symmetrical connection foot (2) of bottom are installed, and wherein the connection foot (2) top that is located the top is provided with first anticollision piece (3), and the connection foot (2) bottom that is located the bottom is provided with second anticollision piece (4), first anticollision piece (3) and second anticollision piece (4) equal fixedly connected with in surface two fixed blocks (5), spout (6) have been seted up to fixed block (5) one side, connect foot (2) and spout (6) sliding connection, equal fixedly connected with buffer gear (7) between first anticollision piece (3) and second anticollision piece (4) both sides.

2. The polymer lithium battery with the anti-collision function as claimed in claim 1, wherein: the buffer mechanism (7) comprises a first rotating seat (71) fixedly connected with the bottom end of one side of the first anti-collision block (3), the two first rotating blocks (72) are rotatably connected in the first rotating seat (71), the bottom ends of the two first rotating blocks (72) are fixedly connected with first supporting rods (73), the two first supporting rods (73) are respectively connected with first sleeves (74) in an inserting manner, the bottom ends of the two first sleeves (74) are respectively fixedly connected with second rotating blocks (75), the two second rotating blocks (75) are respectively rotatably connected with the two second rotating seats (76), the two second rotating seats (76) are respectively fixedly connected with one side of the top end of the second anti-collision block (4), the outside cover of first bracing piece (73) is equipped with first spring (77), the both ends of first spring (77) are connected with first turning block (72) bottom and first sleeve pipe (74) top respectively.

3. The polymer lithium battery with the anti-collision function as claimed in claim 1, wherein: the anti-collision device is characterized in that a second supporting rod (8) is fixedly connected to four corners at the bottom end of the first anti-collision block (3), a second sleeve (9) is fixedly connected to four corners at the top end of the second anti-collision block (4), the second supporting rod (8) is arranged corresponding to the second sleeve (9), and the second supporting rod (8) is connected with the second sleeve (9) in an alternating mode.

4. The polymer lithium battery with the anti-collision function as claimed in claim 1, wherein: the connecting pin (2) is provided with a hole, the surface of the fixing block (5) is positioned at the top of the sliding groove (6) and is provided with a threaded hole, the hole corresponds to the threaded hole, and the connecting pin (2) and the fixing block (5) are fixed through threaded connection of a bolt and the threaded hole.

5. The polymer lithium battery with the anti-collision function as claimed in claim 1, wherein: the lithium battery (1) comprises a battery body (101), a metal protective shell (102) is arranged outside the battery body (101), heat-conducting silica gel (103) is arranged between the battery body (101) and the metal protective shell (102), heat radiating fins (104) are fixedly arranged at the top end and the bottom end of the metal protective shell (102), and heat radiating holes (105) are formed in side walls of two sides of the metal protective shell (102).

6. The lithium polymer battery with the anti-collision function as claimed in claim 5, wherein: the connecting pins (2) are made of elastic metal reeds, the thickness of the connecting pins (2) is matched with the height of the sliding groove (6), and the connecting pins (2) are fixed with the metal protective shell (102) through welding.

7. The lithium polymer battery with the anti-collision function as claimed in claim 5, wherein: the metal protection shell (102) is fixedly connected with a handle (10) at one end of the opening of the sliding chute (6).

8. The polymer lithium battery with the anti-collision function as claimed in claim 1, wherein: the surfaces of the first anti-collision block (3) and the second anti-collision block (4) are provided with mounting holes (11).