CN211505027U

CN211505027U - Pressure detector for cylindrical lithium battery cap

Info

Publication number: CN211505027U
Application number: CN201922350627.0U
Authority: CN
Inventors: 张豹; 王少普; 毕艳风; 张吉醌; 秦安朋
Original assignee: Henan Oriental New Energy Co ltd
Current assignee: Henan Oriental New Energy Co ltd
Priority date: 2019-12-24
Filing date: 2019-12-24
Publication date: 2020-09-15
Anticipated expiration: 2029-12-24

Abstract

The utility model discloses a cylinder lithium cell block pressure measurement machine, the power distribution box comprises a box body, the welding of box top outer wall has two risers, the welding of riser top outer wall has a strutbeam, strutbeam top outer wall is provided with the cylinder, the telescopic link one end of cylinder is provided with the fly leaf, fly leaf bottom outer wall is provided with the pressure head, the welding of riser one side outer wall has the bearing plate, the welding of bearing plate one end is in another riser outer wall one side, the welding of bearing plate top inner wall has the positioning seat, the positioning ring has been cup jointed to positioning seat top outside, the inside elastic washer that is. The utility model discloses a sealing ring, spring washer and the protection device that set up, the sealing ring has improved the sealed effect between baroceptor and the positioning seat, and spring washer has improved the seal between block edge and the check out test set, and protection device prevents that the block departure from hindering the people, and then has realized good sealed effect of equipment and higher security.

Description

Pressure detector for cylindrical lithium battery cap

Technical Field

The utility model relates to a lithium cell detects technical field, especially relates to cylinder lithium cell block pressure measurement machine.

Background

The lithium cell is one kind and uses lithium metal or lithium alloy as cathode material, use non-aqueous electrolyte solution's primary battery, because lithium metal's chemical property is very active, make lithium metal's processing, save, use, it is very high to the environmental requirement, it is this reason to lead to the lithium cell not to obtain the application for a long time, the lithium cell leads to the security performance very poor because of lithium metal's existence again as a power, so the lithium cell is provided with multiple protection device and uses together usually, wherein the block is inside to be provided with the explosion-proof piece just is a common protection device, the block of cylinder lithium cell can realize the guard action of explosion-proof piece only under the condition of suitable interior pressure, consequently, need carry out the interior pressure test to the block of cylinder lithium cell.

Common pressure measurement machine all has the size to specify to detect the style, because the size of cylinder lithium cell block is less, no matter the ordinary pressure measurement machine all lacks to some extent in the precision of equipment or on the range of data, and sealed effect also can not reach satisfaction, and the equipment range is too big also can make the danger coefficient improve when pressure blasting moreover, consequently, the urgent need design cylinder lithium cell block pressure measurement machine and solve above-mentioned problem.

Disclosure of Invention

The utility model aims at solving the problems that the equipment precision and the measured object in the prior art are not matched, the sealing effect is not good and the operation safety can not be guaranteed, and the provided pressure detection machine for the cylindrical lithium battery cap.

In order to achieve the above purpose, the utility model adopts the following technical scheme: cylinder lithium cell cap pressure measurement machine, the power distribution box comprises a box body, box top outer wall welding has two risers, riser top outer wall welding has the strutbeam, strutbeam top outer wall is provided with the cylinder, the telescopic link one end of cylinder is provided with the fly leaf, fly leaf bottom outer wall is provided with the pressure head, riser one side outer wall welding has the bearing plate, the welding of bearing plate one end is in another riser outer wall one side, the welding of bearing plate top inner wall has the positioning seat, the outside holding ring that has cup jointed in positioning seat top, the inside elastic washer that is provided with of holding ring, inside grafting of positioning seat has baroceptor and barotube, box one side outer wall is provided with baro.

The key concept of the technical scheme is as follows: through the sealing ring, the elastic gasket and the protection device that set up, the sealing ring has improved the sealed effect between baroceptor and the positioning seat, prevents to leak gas, and the elastic gasket has improved the seal between block edge and the check out test set, has prevented simultaneously that the internal stress from appearing in the block edge, and protection device prevents that the block departure from hindering the people, and then has realized good sealed effect of equipment and higher security.

Further, the inside fillet of screw that is provided with of bearing plate, fillet of screw top outer wall is provided with the sealing ring, the fillet of screw forms threaded connection with baroceptor, the bracing piece has all been welded at the both ends of bearing plate bottom outer wall, the bracing piece bottom welds in box top outer wall.

Further, the inner wall of the bottom of the box body is connected with an air pump through a bolt, and an air outlet of the air pump is communicated and connected with the air pressure pipe.

Furthermore, the inside activity of fly leaf is pegged graft and is had protection device, and protection device is located the pressure head outside.

Furthermore, the outer wall of the top of the movable plate is spliced with two guide rods, the outer wall of the top of the supporting beam is spliced with two guide rings, and the two guide rings are respectively sleeved outside the two guide rods.

Furthermore, protection device includes two stoppers, two stopper bottom outer wall all is provided with the guide arm, guide arm bottom outer wall is provided with the safety cover, the guide arm activity is pegged graft inside the fly leaf.

Furthermore, the outer wall welding of riser one side has the strengthening rib, two strengthening rib bottom outer wall welds the both sides at box top outer wall respectively.

The utility model has the advantages that:

1. through the sealing ring, the elastic gasket and the protection device that set up, the sealing ring has improved the sealed effect between baroceptor and the positioning seat, prevents to leak gas, and the elastic gasket has improved the seal between block edge and the check out test set, has prevented simultaneously that the internal stress from appearing in the block edge, and protection device prevents that the block departure from hindering the people, and then has realized good sealed effect of equipment and higher security.

2. Through the guide ring and the guide bar that set up, the more smooth inner wall of guide ring has improved the higher direction effect of guide bar, and the guide bar has prevented fly leaf and pressure head from taking place the slope, and then has prevented that the corbel from causing pressure head and block cooperation not good because of precision is low, and then has improved equipment precision and test success rate.

3. Through stopper, guide arm and the safety cover that sets up, the stopper prevents that protection device from droing from the fly leaf, and the guide arm activity is pegged graft inside the fly leaf, prevents to produce stress between safety cover and the holding ring, improves the protective range when the pressure head whereabouts simultaneously, and the safety cover prevents that the piece from splashing and hurts the people, and then has improved the security of equipment.

Drawings

Fig. 1 is a schematic structural view of a cylindrical lithium battery cap pressure detector provided by the present invention;

fig. 2 is a front view of the cylindrical lithium battery cap pressure detector provided by the present invention;

fig. 3 is a schematic structural diagram of a positioning seat of the cylindrical lithium battery cap pressure detector provided by the present invention;

fig. 4 is the utility model provides a protection device's of cylinder lithium cell block pressure measurement machine structural schematic.

In the figure: the device comprises a box body 1, vertical plates 2, supporting beams 3, a bearing plate 4, an air cylinder 5, a movable plate 6, a pressure head 7, a positioning ring 8, a positioning seat 9, an air pump 10, an air pressure pipe 11, an air pressure sensor 12, an air pressure gauge 13, an operation plate 14, a threaded ring 15, a sealing ring 16, an elastic gasket 17, a guide ring 18, a guide rod 19, a protection device 20, a reinforcing rib 21, a support rod 22, a limiting block 23, a guide rod 24 and a protection cover 25.

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.

Referring to fig. 1 to 4, the pressure detector for a cap of a cylindrical lithium battery comprises a box body 1, two vertical plates 2 are welded on the outer wall of the top of the box body 1, a supporting beam 3 is welded on the outer wall of the top of the vertical plates 2, an air cylinder 5 is arranged on the outer wall of the top of the supporting beam 3, a movable plate 6 is arranged at one end of a telescopic rod of the air cylinder 5, a pressure head 7 is arranged on the outer wall of the bottom of the movable plate 6, a bearing plate 4 is welded on the outer wall of one side of each vertical plate 2, one end of the bearing plate 4 is welded on one side of the outer wall of the other vertical plate 2, a positioning seat 9 is welded on the inner wall of the top of the bearing plate 4, a positioning ring 8 is sleeved outside the top end of the positioning seat 9, an elastic washer 17 is arranged inside the positioning seat, thereby improving the success rate and the accuracy of the equipment.

As can be seen from the above description, the present invention has the following advantages: through the sealing ring 16, the elastic gasket 17 and the protection device 20 that set up, the sealing ring 16 has improved the sealed effect between baroceptor 12 and the positioning seat 9, prevents to appear leaking gas, and the elastic gasket 17 has improved the seal between block edge and the check out test set, has prevented simultaneously that the internal stress from appearing in the block edge, and protection device 20 prevents that the block from flying out and hurting people, and then has realized good sealed effect and higher security of equipment.

Further, the inside fillet 15 that is provided with of pressure bearing plate 4, fillet 15 top outer wall is provided with sealing ring 16, fillet 15 and baroceptor 12 form threaded connection, bracing piece 22 has all been welded at the both ends of pressure bearing plate 4 bottom outer wall, bracing piece 22 bottom weld is in 1 top outer wall of box, bracing piece 22 provides the space for pressure bearing plate 4 below, the maintenance and the inspection of the equipment of being convenient for, bracing piece 22 has improved the stability of pressure bearing plate 4 simultaneously, fillet 15 has improved fixed effect with baroceptor 12's threaded connection.

Further, the inner wall of the bottom of the box body 1 is connected with an air pump 10 through a bolt, an air outlet of the air pump 10 is communicated and connected with an air pressure pipe 11, and the air pump 10 conveys air to the inside of the positioning seat 9 through the air pressure pipe 11, so that the air pressure is improved.

Further, the inside activity of fly leaf 6 is pegged graft and is had protection device 20, and protection device 20 is located the pressure head 7 outside, and protection device 20 cup joints in pressure head 7 outside, does not influence the motion of pressure head 7, can also prevent to splash when the block breaks simultaneously and injure the people.

Furthermore, two guide rods 19 are inserted into the outer wall of the top of the movable plate 6, two guide rings 18 are inserted into the outer wall of the top of the supporting beam 3, the two guide rings are respectively sleeved outside the two guide rods 19, and the precision of the inner wall of each guide ring 18 is higher than that of the supporting beam 3, so that the positioning is more accurate.

Further, protection device 20 includes two stoppers 23, two stoppers 23 bottom outer walls all are provided with guide arm 24, guide arm 24 bottom outer wall is provided with safety cover 25, guide arm 24 activity is pegged graft inside fly leaf 6, stopper 23 prevents that protection device 20 from droing from fly leaf 6, guide arm 24 activity is pegged graft inside fly leaf 6, prevent to produce stress between safety cover 25 and the holding ring 8, improve the protection scope when pressure head 7 whereabouts simultaneously, safety cover 25 prevents that the piece from splashing and hurts the people, and then the security of equipment has been improved.

Further, 2 one side outer wall welding of riser has strengthening rib 21, and two strengthening ribs 21 bottom outer walls weld respectively in the both sides of 1 top outer wall of box, and the strengthening rib takes place weak elastic deformation when preventing 2 atress of riser and leads to the experiment error to appear, prevents simultaneously that riser 2 from taking place irreversible deformation and leading to the equipment damage.

Adopt above-mentioned guide ring 18 and guide bar 19, the more smooth inner wall of guide ring 18 has improved the higher direction effect of guide bar 19, and guide bar 19 has prevented that fly leaf 6 and pressure head 7 from taking place the slope, and then has prevented that corbel 3 from causing pressure head 7 and block cooperation not good because of precision is low, and then has improved equipment precision and test success rate

In the following, some preferred embodiments or application examples are listed to help those skilled in the art to better understand the technical content of the present invention and the technical contribution of the present invention to the prior art:

example 1

Cylinder lithium battery cap pressure measurement machine, the power distribution box comprises a box body 1, the welding of 1 top outer wall of box has two risers 2, the welding of 2 top outer walls of riser has a strutbeam 3, the 3 top outer walls of strutbeam are provided with cylinder 5, the telescopic link one end of cylinder 5 is provided with fly leaf 6, fly leaf 6 bottom outer wall is provided with pressure head 7, the welding of 2 one side outer walls of riser has a bearing plate 4, the welding of 4 one end of bearing plate is in 2 outer wall one side of another riser, the welding of 4 top inner walls of bearing plate has positioning seat 9, positioning seat 9 top outside has cup jointed holding ring 8, the inside elastic washer 17 that is provided with of holding ring 8, it has baroceptor 12 and barotube 11 to peg graft inside

positioning seat

9, 1 one side outer wall of box is provided with barometer 13 and operation panel 14, improve sealed effect.

The pressure-bearing plate 4 is internally provided with a threaded ring 15, the outer wall of the top of the threaded ring 15 is provided with a sealing ring 16, the threaded ring 15 is in threaded connection with the air pressure sensor 12, supporting rods 22 are welded at two ends of the outer wall of the bottom of the pressure-bearing plate 4, the bottom ends of the supporting rods 22 are welded on the outer wall of the top of the box body 1, the supporting rods 22 provide space below the pressure-bearing plate 4, equipment maintenance and inspection are facilitated, meanwhile, the supporting rods 22 improve the stability of the pressure-bearing plate 4, and the threaded connection between the threaded ring 15 and the air pressure sensor; the inner wall of the bottom of the box body 1 is connected with an air pump 10 through a bolt, an air outlet of the air pump 10 is communicated and connected with an air pressure pipe 11, and the air pump 10 conveys air to the inside of the positioning seat 9 through the air pressure pipe 11, so that the air pressure is improved; the movable plate 6 is movably inserted with a protection device 20, the protection device 20 is positioned outside the pressure head 7, the protection device 20 covers the pressure head 7, the movement of the pressure head 7 is not influenced, and the cap can be prevented from splashing to hurt people when being broken; two guide rods 19 are inserted into the outer wall of the top of the movable plate 6, two guide rings 18 are inserted into the outer wall of the top of the supporting beam 3, the two guide rings are respectively sleeved outside the two guide rods 19, and the precision of the inner wall of each guide ring 18 is higher than that of the supporting beam 3, so that the positioning is more accurate; the protection device 20 comprises two limiting blocks 23, guide rods 24 are arranged on the outer walls of the bottoms of the two limiting blocks 23, protective covers 25 are arranged on the outer walls of the bottoms of the guide rods 24, the guide rods 24 are movably inserted into the movable plate 6, the limiting blocks 23 prevent the protection device 20 from falling off from the movable plate 6, the guide rods 24 are movably inserted into the movable plate 6, stress between the protective covers 25 and the positioning rings 8 is prevented, meanwhile, the protection range is improved when the pressure head 7 falls, fragments are prevented from being splashed by the protective covers 25 to hurt people, and therefore the safety of equipment is improved; 2 one side outer wall welding of riser has strengthening rib 21, and two strengthening ribs 21 bottom outer walls weld respectively in the both sides of 1 top outer wall of box, and the strengthening rib takes place weak elastic deformation when preventing 2 atress of riser and leads to the experiment error to appear, prevents that 2 takes place irreversible deformation of riser simultaneously and leads to the equipment damage.

The working principle is as follows: when the device is used, the cap is reversely buckled above the elastic gasket 17, the support of the positioning ring 8 is sleeved outside the top end of the positioning seat 9, the central point of the positioning seat 8 can be quickly confirmed, the elastic gasket 17 is placed above the positioning seat 9, the positioning ring 8 is sleeved outside the elastic gasket 17 to prevent the position deviation of the elastic gasket 17, the device is simpler to operate, the telescopic rod of the air cylinder 5 is controlled to move downwards through the operating panel 14, the telescopic rod drives the movable plate 6, the pressure head 7, the guide rod 19 and the protection device 20 to move downwards together, the movable plate 6 and the pressure head 7 vertically move downwards through the high-precision guide rod 19 and the guide ring 18, the movement is stopped when the protection cover 25 contacts the positioning ring 8, after the pressure head 7 extends into the positioning ring 8, the guide rod 24 slides between the movable plate 6 to prevent the protection cover 25 from being extruded, the protection range is improved, and the movement of the, at the moment, the elastic gasket 17 deforms, the positioning seat 9 and the cap are sealed, a power switch of the air pump 10 is started, the air pump 10 slowly inflates air between the positioning seat 9 and the cap through the air pressure tube 11, the pointer of the air pressure gauge 13 gradually rotates along with the time, the air pressure gauge 13 stops continuously inflating when the rated pressure is reached, whether the air pressure gauge 13 changes or not is checked after the air pressure gauge is kept still for a period of time, if the index of the air pressure gauge 13 is rapidly reduced, the cap is proved to be broken and cannot bear the rated pressure, if the air pressure gauge 13 is kept still, the cap is proved to be capable of bearing the rated air pressure, then pressurization is continuously carried out, the pressure gradually increases along with the pressure until the pressure gauge 13 is reduced, the index of the pressure gauge 13 at the moment is.

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 cylindrical lithium battery cap pressure detection machine comprises a box body (1) and is characterized in that two vertical plates (2) are welded on the outer wall of the top of the box body (1), a supporting beam (3) is welded on the outer wall of the top of each vertical plate (2), an air cylinder (5) is arranged on the outer wall of the top of each supporting beam (3), a movable plate (6) is arranged at one end of a telescopic rod of each air cylinder (5), a pressure head (7) is arranged on the outer wall of the bottom of each movable plate (6), a bearing plate (4) is welded on the outer wall of one side of each vertical plate (2), one end of each bearing plate (4) is welded on one side of the outer wall of the other vertical plate (2), a positioning seat (9) is welded on the inner wall of the top of each bearing plate (4), a positioning ring (8) is sleeved outside the top end of each positioning seat (, the outer wall of one side of the box body (1) is provided with a barometer (13) and an operation panel (14).

2. The pressure detector for the cylindrical lithium battery cap is characterized in that a threaded ring (15) is arranged inside the bearing plate (4), a sealing ring (16) is arranged on the outer wall of the top of the threaded ring (15), the threaded ring (15) is in threaded connection with the air pressure sensor (12), supporting rods (22) are welded at two ends of the outer wall of the bottom of the bearing plate (4), and the bottom ends of the supporting rods (22) are welded on the outer wall of the top of the box body (1).

3. The pressure detector for the cylindrical lithium battery cap is characterized in that an air pump (10) is connected to the inner wall of the bottom of the box body (1) through a bolt, and an air outlet of the air pump (10) is communicated with an air pressure pipe (11).

4. The cylindrical lithium battery cap pressure detector as claimed in claim 1, wherein the movable plate (6) is movably inserted with a protection device (20), and the protection device (20) is located outside the pressure head (7).

5. The pressure detector for the cylindrical lithium battery cap is characterized in that two guide rods (19) are inserted into the outer wall of the top of the movable plate (6), two guide rings (18) are inserted into the outer wall of the top of the supporting beam (3), and the two guide rings are respectively sleeved outside the two guide rods (19).

6. The pressure detector for the cylindrical lithium battery cap as claimed in claim 4, wherein the protection device (20) comprises two limiting blocks (23), guide rods (24) are arranged on the outer walls of the bottoms of the two limiting blocks (23), a protection cover (25) is arranged on the outer walls of the bottoms of the guide rods (24), and the guide rods (24) are movably inserted into the movable plate (6).

7. The pressure detector for the cylindrical lithium battery cap is characterized in that reinforcing ribs (21) are welded on the outer wall of one side of the vertical plate (2), and the outer walls of the bottoms of the two reinforcing ribs (21) are respectively welded on two sides of the outer wall of the top of the box body (1).