CN210778770U

CN210778770U - Fixing device applied to lithium battery pack

Info

Publication number: CN210778770U
Application number: CN201922444654.4U
Authority: CN
Inventors: 周杰
Original assignee: Guangzhou Huazhi Energy Technology Co ltd
Current assignee: Guangzhou Huazhi Energy Technology Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-06-16
Anticipated expiration: 2029-12-28

Abstract

The utility model relates to a lithium cell technical field specifically is a be applied to fixing device of lithium cell group, including protection machanism, supporting mechanism and fixed establishment, protection machanism's inside is pegged graft and is had supporting mechanism, supporting mechanism's top fixed mounting has fixed establishment, protection machanism includes protecting crust, first fixed plate, first through-hole, bracing piece and first screw rod, the first fixed plate of top fixedly connected with of protecting crust, first through-hole has been seted up at the top of first fixed plate, the inside fixedly connected with bracing piece of protecting crust. This be applied to fixing device of lithium cell group, supporting mechanism and fixed establishment are in unsettled state, and the protecting crust receives the collision and takes place to warp and can not touch supporting mechanism, more can not cause the destruction to the lithium cell in the fixed establishment, has improved the security, through setting up spacing frame, has made things convenient for fixed battery jar, through setting up the handle, conveniently mentions the battery jar, and the transport of being convenient for has improved the practicality.

Description

Fixing device applied to lithium battery pack

Technical Field

The utility model relates to a lithium cell technical field specifically is a be applied to fixing device of lithium cell group.

Background

Lithium batteries refer to batteries that contain lithium (including metallic lithium, lithium alloys and lithium ions, lithium polymers) in an electrochemical system. Lithium batteries can be broadly classified into two types: lithium metal batteries and lithium ion batteries. Lithium ion batteries do not contain lithium in the metallic state and are rechargeable. The fifth generation of rechargeable batteries, lithium metal batteries, was born in 1996, and the safety, specific capacity, self-discharge rate and cost performance of rechargeable batteries were all superior to those of lithium ion batteries. Due to its own high technical requirement limits, only a few companies in several countries are currently producing such lithium metal batteries. Since the appearance of smart phones and the subsequent release of tablet computers in 2007, the world has entered the intelligent era, and the strong demand for smart phones and tablet computers has rapidly pushed the sales of digital lithium batteries, wherein the sales of lithium batteries for mobile phones is the largest. According to data statistics, the market scale of finished lithium battery packs in the fields of new energy automobiles, power grid energy storage, special vehicles, communication base stations and the like in China in 2012 is 35 hundred million yuan, which is 34.6 percent higher than 26 hundred million yuan in 2011. Wherein the application proportion of the new energy automobile is 57%. The automobile can often generate serious vibration in the running process of the automobile, and if the lithium battery pack is not installed in the automobile stably enough, the lithium battery pack is easy to loosen or damage due to vibration, so that the normal use of the automobile is affected. The fixing device applied to the lithium battery pack is a device for fixing the lithium battery pack by the electric automobile. However, the conventional fixing device applied to the lithium ion battery pack has the following disadvantages:

the fixing device who has been applied to lithium cell group bumps, can produce deformation, directly causes the destruction to inside lithium cell.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a be applied to fixing device of lithium cell group, through setting up the bracing piece, make supporting mechanism and fixed establishment be in unsettled state, solved the problem of proposing among the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a fixing device applied to a lithium ion battery pack comprises a protection mechanism, a supporting mechanism and a fixing mechanism, wherein the supporting mechanism is inserted into the protection mechanism, and the fixing mechanism is fixedly installed at the top of the supporting mechanism;

the protection mechanism comprises a protection shell, a first fixing plate, a first through hole, a supporting rod and a first screw rod, wherein the first fixing plate is fixedly connected to the top of the protection shell, the first through hole is formed in the top of the first fixing plate, the supporting rod is fixedly connected to the inside of the protection shell, and the first screw rod is fixedly connected to the top of the supporting rod;

the supporting mechanism comprises a supporting plate, limiting holes, limiting frames and threaded holes, the limiting holes are formed in the four corners of the supporting plate, the limiting frames are fixedly connected to the top of the supporting plate, and the threaded holes are formed in the top of the limiting frames;

the fixing mechanism comprises a battery jar, a second fixing plate, a second through hole, a second screw rod, a connecting plate, a fastening frame, a pulling plate, a pulling rod, a stop block and a lifting handle, the second fixing plate is fixedly connected to the top of the battery jar, the second through hole is formed in the top of the second fixing plate, the second screw rod is fixedly connected to the top of the second fixing plate, the second fixing plate is connected with the connecting plate in an inserting mode through the second screw rod arranged at the top of the second fixing plate, the fastening frame is fixedly connected to the top of the connecting plate, the pulling plate is fixedly connected to the two sides of the second fixing plate, the pulling rod is connected to the pulling plate in an inserting mode, the stop block is fixedly connected to one end of the pulling rod, and the lifting handle is.

Optionally, the support rod is inserted into the limit holes arranged at the four corners of the support plate through the first screw rod arranged at the top of the support rod.

Optionally, the outer surface of the first screw is in threaded connection with a first fastening nut.

Optionally, the supporting plate is sleeved with the battery jar through a limiting frame arranged at the top of the supporting plate.

Optionally, the position of the threaded hole on the limiting frame corresponds to the position of the second through hole on the second fixing plate.

Optionally, the outer surface of the second screw is in threaded connection with a second fastening nut.

(III) advantageous effects

The utility model provides a be applied to fixing device of lithium-ion battery group possesses following beneficial effect:

1. this be applied to fixing device of lithium cell group through setting up the bracing piece, supports the layer board because of the bracing piece for supporting mechanism and fixed establishment are in unsettled state, so when the protecting crust received the collision, the slight deformation of protecting crust can not touch supporting mechanism, more can not lead to the fact the destruction to the lithium cell in the fixed establishment, thereby has improved the security.

2. This be applied to fixing device of lithium cell group through setting up spacing frame, only needs insert the inside of spacing frame with the battery jar, alright make the second through-hole on the second fixed plate align with the position of screw hole, made things convenient for fixed battery jar, through setting up the handle, when dismouting battery, conveniently mentions the battery jar through the handle, reaches the purpose of the transport of being convenient for, has improved the practicality.

Drawings

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

FIG. 2 is a schematic sectional view of the present invention;

FIG. 3 is a schematic structural view of the protection mechanism of the present invention;

fig. 4 is a schematic structural view of the supporting mechanism of the present invention;

fig. 5 is a schematic structural diagram of the fixing mechanism of the present invention.

In the figure: 1-protection mechanism, 101-protection shell, 102-first fixing plate, 103-first through hole, 104-supporting rod, 105-first screw rod, 2-supporting mechanism, 201-supporting plate, 202-limiting hole, 203-limiting frame, 204-threaded hole, 3-fixing mechanism, 301-battery jar, 302-second fixing plate, 303-second through hole, 304-second screw rod, 305-connecting plate, 306-fastening frame, 307-pulling plate, 308-pulling rod, 309-stop block, 310-handle, 4-first fastening nut and 5-second fastening nut.

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.

Referring to fig. 1 to 5, the present invention provides a technical solution: a fixing device applied to a lithium ion battery pack comprises a protection mechanism 1, a supporting mechanism 2 and a fixing mechanism 3, wherein the supporting mechanism 2 is inserted into the protection mechanism 1, and the fixing mechanism 3 is fixedly installed at the top of the supporting mechanism 2;

the protection mechanism 1 comprises a protection shell 101, a first fixing plate 102, a first through hole 103, a supporting rod 104 and a first screw 105, wherein the first fixing plate 102 is fixedly connected to the top of the protection shell 101, the first through hole 103 is formed in the top of the first fixing plate 102, and a bolt penetrates through the first through hole 103 to be in threaded connection with an automobile, so that the purpose of fixing the protection mechanism 1 is achieved, the supporting rod 104 is fixedly connected to the inside of the protection shell 101, the top of the supporting rod 104 is in lap joint with the bottom of a supporting plate 201, and the first screw 105 is fixedly connected to the top of the supporting rod 104;

the supporting mechanism 2 comprises a supporting plate 201, a limiting hole 202, a limiting frame 203 and a threaded hole 204, the limiting hole 202 is formed in each of four corners of the supporting plate 201, the limiting frame 203 is fixedly connected to the top of the supporting plate 201, and the battery jar 301 is inserted into the limiting frame 203 through the limiting frame 203, so that the second through hole 303 in the second fixing plate 302 can be aligned with the threaded hole 204, the battery jar 301 is conveniently fixed, and the threaded hole 204 is formed in the top of the limiting frame 203;

the fixing mechanism 3 comprises a battery jar 301, a second fixing plate 302, a second through hole 303, a second screw 304, a connecting plate 305, a fastening frame 306, a pulling plate 307, a pull rod 308, a stop block 309 and a handle 310, the top of the battery jar 301 is fixedly connected with the second fixing plate 302, the top of the second fixing plate 302 is provided with the second through hole 303, the top of the second fixing plate 302 is fixedly connected with the second screw 304, the second fixing plate 302 is inserted with the connecting plate 305 through the second screw 304 arranged on the top of the second fixing plate, the top of the connecting plate 305 is fixedly connected with the fastening frame 306, a lithium battery is arranged inside the battery jar 301, the fastening frame 306 fixes the lithium battery to prevent the lithium battery from separating from the battery jar 301, the two sides of the second fixing plate 302 are both fixedly connected with the pulling plate 307, the inside of the pulling plate 307 is inserted with the pull rod 308, one end of the pull rod 308 is fixedly connected with the stop block 309, through setting up handle 310, when the dismouting battery, conveniently lift battery jar 301 through handle 301, reach the purpose of being convenient for carry.

The bracing piece 104 is pegged graft through the spacing hole 202 that sets up first screw 105 and the layer board 201 four corners department at its top, the surface threaded connection of first screw 105 has first fastening nut 4, fix supporting mechanism 2, layer board 201 cup joints with battery jar 301 through the spacing frame 203 that sets up at its top, the position of screw hole 204 on the spacing frame 203 is corresponding with the position of second through-hole 302 on the second fixed plate 302, use the bolt to run through second through-hole 302 and screw hole 204 threaded connection, thereby install fixed establishment 3 at the top of supporting mechanism 2, the surface threaded connection of second screw 304 has second fastening nut 5, fixed fastening frame 306.

When the protective shell is used, the limiting hole 202 on the supporting plate 201 is sleeved on the first screw 105 in the protective shell 101, the first screw penetrates through the first through hole 103 and is in threaded connection with an automobile, the protective mechanism 1 is fixed on the automobile, the lithium battery is regularly placed in the battery groove 301, then the lithium battery is fixed through the fastening frame 306, the fixing mechanism 3 and the lithium battery are lifted through the handle 310 and then placed in the limiting frame 203 on the supporting plate 201, the bolt penetrates through the second through hole 302 and is in threaded connection with the threaded hole 204, so that the fixing mechanism 3 is installed at the top of the supporting mechanism 2, the supporting rod 104 supports the supporting plate 201, the supporting mechanism 2 and the fixing mechanism 3 are in a suspended state, when the protective shell 101 is collided, the protective shell 101 is slightly deformed and cannot touch the supporting mechanism 2, and the lithium battery in the fixing mechanism 3 cannot be damaged, thereby improving safety.

In summary, in the fixing device applied to the lithium ion battery pack, when in use, the supporting rod 104 is arranged, and the supporting plate 201 is supported by the supporting rod 104, so that the supporting mechanism 2 and the fixing mechanism 3 are in a suspended state, when the protective shell 101 is collided, the protective shell 101 is slightly deformed and cannot touch the supporting mechanism 2, and the lithium battery in the fixing mechanism 3 is further not damaged, so that the safety is improved, by arranging the limiting frame 203, the battery jar 301 is only required to be inserted into the limiting frame 203, so that the second through hole 303 on the second fixing plate 302 can be aligned with the position of the threaded hole 204, the battery jar 301 is conveniently fixed, by arranging the handle 310, when the battery is dismounted, the battery jar 301 is conveniently lifted by the handle 301, the purpose of convenient transportation is achieved, and the practicability is improved.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a be applied to fixing device of lithium cell group, includes protection machanism (1), supporting mechanism (2) and fixed establishment (3), its characterized in that: a supporting mechanism (2) is inserted into the protection mechanism (1), and a fixing mechanism (3) is fixedly installed at the top of the supporting mechanism (2);

the protection mechanism (1) comprises a protection shell (101), a first fixing plate (102), a first through hole (103), a supporting rod (104) and a first screw (105), wherein the first fixing plate (102) is fixedly connected to the top of the protection shell (101), the first through hole (103) is formed in the top of the first fixing plate (102), the supporting rod (104) is fixedly connected to the inside of the protection shell (101), and the first screw (105) is fixedly connected to the top of the supporting rod (104);

the supporting mechanism (2) comprises a supporting plate (201), limiting holes (202), a limiting frame (203) and threaded holes (204), the limiting holes (202) are formed in the four corners of the supporting plate (201), the limiting frame (203) is fixedly connected to the top of the supporting plate (201), and the threaded holes (204) are formed in the top of the limiting frame (203);

the fixing mechanism (3) comprises a battery jar (301), a second fixing plate (302), a second through hole (303), a second screw rod (304), a connecting plate (305), a fastening frame (306), a pulling plate (307), a pulling rod (308), a stop block (309) and a lifting handle (310), the top of the battery jar (301) is fixedly connected with the second fixing plate (302), the top of the second fixing plate (302) is provided with the second through hole (303), the top of the second fixing plate (302) is fixedly connected with the second screw rod (304), the second fixing plate (302) is inserted into the connecting plate (305) through the second screw rod (304) arranged at the top of the second fixing plate, the top of the connecting plate (305) is fixedly connected with the fastening frame (306), the two sides of the second fixing plate (302) are both fixedly connected with the pulling plate (307), the pulling rod (308) is inserted into the pulling plate (307), one end of the pull rod (308) is fixedly connected with a stop block (309), and one end of the pull rod (308) far away from the stop block (309) is fixedly connected with a handle (310).

2. A fixing device for a lithium battery pack according to claim 1, characterized in that: the supporting rod (104) is inserted into limiting holes (202) formed in four corners of the supporting plate (201) through a first screw (105) arranged on the top of the supporting rod.

3. A fixing device for a lithium battery pack according to claim 1, characterized in that: the outer surface of the first screw rod (105) is in threaded connection with a first fastening nut (4).

4. A fixing device for a lithium battery pack according to claim 1, characterized in that: the supporting plate (201) is sleeved with the battery jar (301) through a limiting frame (203) arranged at the top of the supporting plate.

5. A fixing device for a lithium battery pack according to claim 1, characterized in that: the position of the threaded hole (204) on the limiting frame (203) corresponds to the position of the second through hole (303) on the second fixing plate (302).

6. A fixing device for a lithium battery pack according to claim 1, characterized in that: and the outer surface of the second screw rod (304) is in threaded connection with a second fastening nut (5).