Lithium ion electrolyte sampling device

Abstract

The utility model relates to the technical field of lithium ion batteries. The lithium ion electrolyte sampling device comprises a sampling pipe, a movable rod is arranged in the sampling pipe in a sliding mode, the bottom end of the movable rod is sleeved with a sealing ring, a pull head is arranged at the other end of the movable rod, and an auxiliary support is arranged at the bottom of the sampling pipe. A mounting groove for placing the sampling tube is formed in the auxiliary bracket, and a driving assembly for driving the pull head to move along the length direction of the sampling tube is arranged in the mounting groove. The electrolyte sampling device has the advantages that the auxiliary bracket and the driving component are arranged, the holding rod is not contaminated by electrolyte, so that the electrolyte remained on the sampling tube is prevented from hurting the hand of a worker to a certain extent, the movable rod is driven by the driving component, the hand of the worker needing to extract the electrolyte can be liberated, and the labor intensity of the worker is reduced. And a worker is easier in the liquid pumping process.

Description

TECHNICAL FIELD

[0001] The utility model relates to lithium ion battery technical field especially lithium ion electrolyte sampling device. BACKGROUND

[0002] Lithium battery electrolyte is the carrier of ion transmission in the battery. It is generally composed of lithium salt and organic solvent. The electrolyte plays a role in conducting ions between the positive and negative electrodes of the lithium battery, and is the guarantee for the lithium ion battery to obtain high voltage, high specific energy and other advantages. The electrolyte is generally prepared by mixing raw materials such as high-purity organic solvent, electrolyte lithium salt and necessary additives under certain conditions and in a certain proportion.

[0003] Because the electrolyte contains certain harm to the human body, it is prohibited to touch by hand, but in the process of electrolyte sampling, the staff's hand needs to hold the sampling tube, and the other hand needs to pull the movable rod in the sampling tube, so that the electrolyte enters the sampling tube. At this time, the user's hand is easy to directly touch the electrolyte residue at the lower position of the sampling tube, causing harm to the user's hand. UTILITY MODEL CONTENT

[0004] In order to overcome the shortcomings of the prior art, the application provides a lithium ion electrolyte sampling device.

[0005] The lithium ion electrolyte sampling device provided by the application adopts the following technical scheme:

[0006] A lithium ion electrolyte sampling device, comprising a sampling tube, a movable rod is slidably arranged in the sampling tube, a sealing ring is sleeved on the bottom end of the movable rod, a puller is arranged at the other end of the movable rod, an auxiliary support is arranged at the bottom of the sampling tube, an installation groove for placing the sampling tube is formed in the auxiliary support, a drive assembly for driving the puller to move along the length direction of the sampling tube is arranged in the installation groove, the drive assembly comprises a mounting seat, the mounting seat is fixedly arranged in the installation groove, two mounting rods are arranged on the top of the mounting seat along the vertical direction, a support seat is arranged on the top of the two mounting rods, a drive rack is slidably arranged on the support seat along the length direction of the installation groove, a drive gear is rotatably arranged between the two mounting rods, the drive gear is engaged with the drive rack, a drive motor is fixedly arranged on the mounting rod, the output shaft of the drive motor is coaxially connected with the drive gear, a connecting assembly for connecting with the puller is arranged at the end of the drive rack, a holding rod is arranged at one end of the auxiliary support, a sampling seat is communicatively arranged on the sampling tube, a liquid taking tube is communicatively arranged on the sampling seat, and the liquid taking tube is connected with the sampling seat through threads.

[0007] By adopting the technical scheme, the auxiliary support is arranged to support the sampling tube, the holding rod is above the electrolyte, and the electrolyte only contaminates the sampling tube or the front end of the auxiliary support, but not the holding rod, so that the electrolyte remaining on the sampling tube does not hurt the hands of the workers to a certain extent, and the hands of the workers are freed from the liquid drawing by the driving assembly, so that the workers are more relaxed during the liquid drawing.

[0008] Optionally, the connecting assembly comprises a connecting seat, the connecting seat is rotationally arranged on the driving rack, an abutting block is fixedly arranged on the connecting seat, an abutting groove for placing the abutting block is arranged on the puller, a handle is arranged on the connecting seat, a positioning block is arranged on the driving rack, a plug rod is slidably arranged on the positioning block, a positioning hole is arranged on the handle, and the plug rod is threadedly connected with the positioning hole.

[0009] By adopting the technical scheme, the connecting assembly can conveniently connect or separate the driving rack and the puller on the movable rod, so that the driving assembly can conveniently drive the movable rod.

[0010] Optionally, a storage battery is arranged on the auxiliary support, a switch for controlling the rotation of the driving motor is arranged on the holding rod, the storage battery is electrically connected with the switch, and the switch is electrically connected with the driving motor.

[0011] By adopting the technical scheme, the storage battery can accumulate electric energy to provide energy for the driving motor, and the switch can be used by the workers to control the forward and reverse rotation of the driving motor in time.

[0012] Optionally, a sliding groove is arranged on the bottom of the auxiliary support along the length direction of the auxiliary support, a sliding block is slidably arranged in the sliding groove, two supporting rods are arranged on the sliding block, a positioning rod is arranged on the sliding block, the positioning rod is threadedly connected with the sliding block, and a knob is arranged on the end of the positioning rod away from the sliding groove.

[0013] By adopting the technical scheme, the two supporting rods and the holding rod jointly fix and support the auxiliary support, so that the auxiliary support can be stably placed on the horizontal table top.

[0014] Optionally, the auxiliary support is further provided with a sampling assembly, the sampling assembly comprising a liquid outlet pipe and a fixing seat, the fixing seat being arranged at the bottom of the auxiliary support, a plurality of branch pipes being uniformly arranged on the fixing seat, a valve being communicatively arranged at the bottom of each branch pipe, a connecting pipe being communicatively arranged at the bottom of the valve, a liquid collecting bottle being threadedly connected to the bottom of the connecting pipe, one end of the liquid outlet pipe being in communication with a sampling pipe and the other end being in communication with the plurality of branch pipes, a liquid outlet check valve being arranged in the liquid outlet pipe, and a liquid inlet check valve being arranged in the sampling pipe.

[0015] By adopting the above technical scheme, the lithium ion electrolyte sampling device has the functions of convenient sampling and storage by arranging the sampling assembly.

[0016] Optionally, the sampling pipe and the liquid collecting bottle are both provided with transparent observation plates.

[0017] By adopting the above technical scheme, the transparent observation plates are installed, so that the staff can conveniently observe the amount of sampling liquid in the sampling pipe and the amount of collected liquid in each liquid collecting bottle.

[0018] Optionally, a fixing belt is hingedly arranged on one side of the auxiliary support, a plurality of limiting holes are formed in the fixing belt, and a positioning nail is arranged on the other side of the auxiliary support and penetrates the limiting holes.

[0019] By adopting the above technical scheme, the fixing belt plays an auxiliary fixing role on the sampling pipe.

[0020] Optionally, the two support rods are rotatably arranged on the sliding block, and a spring is arranged between the two support rods and connected to the two support rods at two ends.

[0021] By adopting the above technical scheme, when the staff moves the sliding block to a suitable position, the two support rods will move away from each other under the action of the spring after the staff releases the sliding block, so that a certain angle is formed between the two support rods, thereby improving the stability of the auxiliary support placed on a horizontal table top.

[0022] The utility model has the following advantages:

[0023] 1. By arranging the auxiliary support and the driving assembly, the electrolyte does not contaminate the holding rod, so that the electrolyte remaining on the sampling pipe does not hurt the staff's hand to a certain extent, and the staff's hand for drawing liquid is released by driving the movable rod through the driving assembly, so that the staff can draw liquid more easily.

[0024] 2. By arranging the liquid taking assembly, the lithium ion electrolyte sampling device has the functions of convenient sampling and storage.

[0025] 3、 By setting the transparent observation board, so that the staff can conveniently observe the sampling liquid quantity in the sampling tube and the liquid collection quantity in each liquid collection bottle in time. BRIEF DESCRIPTION OF DRAWINGS

[0026] Figure 1 It is the overall structure schematic view of the utility model;

[0027] Figure 2 It is the installation structure schematic view of the sampling assembly of the utility model;

[0028] Figure 3 It is the installation structure schematic view of the driving assembly of the utility model;

[0029] Figure 4 It is Figure 3 It is the enlarged schematic view of A part in the middle;

[0030] Figure 5 It is the installation structure schematic view of the movable rod in the sampling tube;

[0031] In the drawing: 1, sampling tube; 11, movable rod; 12, sealing ring; 13, pull head; 14, auxiliary support; 15, installation groove; 16, holding rod; 17, sampling seat; 18, liquid taking tube; 2, driving assembly; 21, mounting seat; 22, mounting rod; 23, support seat; 24, driving rack; 25, driving gear; 26, driving motor; 3, connecting assembly; 31, connecting seat; 32, abutting block; 33, abutting groove; 34, handle; 35, positioning block; 36, plug rod; 37, positioning hole; 4, storage battery; 41, switch; 42, sliding groove; 43, sliding block; 44, support rod; 45, positioning rod; 46, screw block; 5, sampling assembly; 51, liquid outlet pipe; 52, fixed seat; 53, liquid distribution pipe; 54, valve; 55, connecting pipe; 56, liquid collection bottle; 57, liquid outlet check valve; 58, liquid taking check valve; 6, transparent observation board; 61, fixing band; 62, limiting hole; 63, positioning nail; 64, spring. DETAILED DESCRIPTION

[0032] The utility model will be further described below in combination with the drawings, but the protection scope of the utility model is not limited to the following.

[0033] Example 1

[0034] As Figures 1 to 5As shown, a lithium ion electrolyte sampling device, including a sampling tube, a movable rod is slidably installed in the sampling tube, a sealing ring is sleeved on the bottom end of the movable rod, a puller is installed on the other end of the movable rod, an auxiliary support is installed at the bottom of the sampling tube, an installation slot for placing the sampling tube is formed on the auxiliary support, and a driving assembly for driving the puller to move along the length direction of the sampling tube is installed in the installation slot. The driving assembly includes a mounting seat fixedly installed in the installation slot, two mounting rods are fixedly installed on the top of the mounting seat along the vertical direction, a support seat is installed on the top of the two mounting rods, a driving rack is slidably installed on the support seat along the length direction of the installation slot, a driving gear is rotatably installed between the two mounting rods, the driving gear is engaged with the driving rack, and a driving motor is fixedly installed on the mounting rod. The output shaft of the driving motor is coaxially connected with the driving gear, the end of the driving rack is provided with a connecting assembly connected with the puller, and one end of the auxiliary support is provided with a holding rod.

[0035] A sampling seat is fixedly and communicatively installed on the sampling tube, and a liquid taking tube is communicatively installed on the sampling seat. The liquid taking tube is connected with the sampling seat through threads. The installation and disassembly between the liquid taking tube and the sampling seat are facilitated, so that the staff can replace the liquid taking tube with a suitable length according to actual needs. When the staff needs to take a sample, the staff places the sampling tube on the auxiliary support.

[0036] The puller is connected with the driving rack through the connecting assembly, then the staff holds the holding rod installed on the auxiliary support, then the staff moves the lithium ion electrolyte sampling device to a suitable position, and then starts the driving motor. The driving motor rotates to drive the driving gear to rotate, the driving gear rotates to drive the driving rack to move along the length direction of the sampling tube, and the driving rack moves to drive the puller and the movable rod to move, so that the electrolyte can be extracted. Moreover, the auxiliary support and the holding rod are installed, so as to support the sampling tube. The holding rod is located above the electrolyte and is not placed in the electrolyte, so that the electrolyte only contaminates the sampling tube or the front end of the auxiliary support, and the holding rod is not contaminated, so that the electrolyte remaining on the sampling tube does not harm the hands of the staff to a certain extent. Moreover, the movable rod is driven by the driving assembly, so as to free the hands of the staff from extracting the liquid, so that the staff can extract the liquid more easily. The sampling tube can be directly disassembled on the auxiliary support, so that the use of the sampling tube is more flexible and convenient.

[0037] Example 2

[0038] On the basis of example 1, as Figures 1 to 5As shown, the connecting assembly comprises a connecting seat, the connecting seat is rotatably installed on the driving rack, the connecting seat is fixedly installed with an abutting block, the puller is provided with an abutting slot for placing the abutting block, the connecting seat is fixedly installed with a handle, the driving rack is installed with a positioning block, the positioning block is slidably installed with a plug rod, the handle is provided with a positioning hole, and the plug rod is threadedly connected with the positioning hole. When it is needed to connect the driving rack with the puller, the worker rotates the connecting seat, so that the abutting block on the connecting seat is aligned with the abutting slot, then the worker holds the handle and rotates the connecting seat again, so that the abutting block slides into the abutting slot, and the positioning hole on the handle is aligned with the plug rod on the positioning block, then the plug rod is inserted into the positioning hole and threadedly connected with the positioning hole, so that the driving rack is fixed with the connecting seat, and then the driving assembly drives the movable rod to move along the length direction of the sampling tube.

[0039] The auxiliary support is installed with a storage battery, the holding rod is fixedly installed with a switch for controlling the rotation of the driving motor, the storage battery is convenient for accumulating electric energy to provide energy for the driving motor, the storage battery is electrically connected with the switch, and the switch is electrically connected with the driving motor, so that the worker can control the forward and reverse rotation of the driving motor in time through the switch.

[0040] The bottom of the auxiliary support is provided with a sliding groove along the length direction of the auxiliary support, the sliding groove is slidably installed with a sliding block, the sliding block is installed with two supporting rods, the sliding block is installed with a positioning rod, the positioning rod is threadedly connected with the sliding block, and the end of the positioning rod away from the sliding groove is installed with a knob. After the auxiliary support carries the sampling tube to sample, in order to place the auxiliary support on the horizontal desktop, the worker holds the two supporting rods and moves along the length direction of the sliding groove, when the supporting rods are moved to the appropriate position, the worker rotates the knob, so that the end of the positioning rod abuts against the bottom wall of the sliding groove, thereby fixing the current position of the sliding block, and the two supporting rods and the holding rod jointly fix and support the auxiliary support.

[0041] Embodiment 3

[0042] On the basis of the embodiment 1 or the embodiment 2, a sampling assembly is further installed on the auxiliary support, the sampling assembly comprising a liquid outlet pipe and a fixing seat, the fixing seat being installed on the bottom of the auxiliary support, a plurality of liquid distribution pipes being uniformly installed on the fixing seat, a valve being communicatively installed on each of the liquid distribution pipes, a connecting pipe being communicatively arranged at the bottom of the valve, a liquid collecting bottle being threadedly connected to the bottom of the connecting pipe, one end of the liquid outlet pipe being communicatively connected to the sampling pipe and the other end of the liquid outlet pipe being communicatively connected to the plurality of liquid distribution pipes, a liquid outlet check valve being installed in the liquid outlet pipe, and a liquid inlet check valve being installed in the liquid inlet pipe; since the liquid outlet check valve and the liquid inlet check valve are both prior art, in the present embodiment, the specific components of the liquid outlet check valve and the liquid inlet check valve are not described in detail, the lithium ion electrolyte sampling device is provided with the functions of convenient sampling and storage by virtue of the sampling assembly, the reuse of the sampling pipe is not affected by the storage of the electrolyte in the sampling pipe, the electrolyte can be directly taken out and placed in the liquid collecting bottle after being extracted, the sampling pipe can be repeatedly used, and the practicality is improved; in use, the driving assembly drives the movable rod to move, so that the electrolyte enters the sampling pipe through the liquid inlet pipe, at this time, the liquid inlet check valve is opened and the liquid outlet check valve is closed, when the staff finishes sampling the electrolyte, the movable rod is reversely driven by the driving assembly to move, at this time, the liquid inlet check valve is closed and the liquid outlet check valve is opened, the electrolyte flows into the liquid distribution pipes through the liquid outlet pipe, and the staff can open the valve on the liquid collecting bottle according to the need.

[0043] Transparent observation plates are installed on the sampling pipe and the liquid collecting bottle, so that the staff can timely observe the amount of the sampling liquid in the sampling pipe and the amount of the collected liquid in each liquid collecting bottle by virtue of the transparent observation plates.

[0044] A fixing belt is hingedly installed on one side of the auxiliary support, a plurality of limiting holes are uniformly formed in the fixing belt, a positioning nail is installed on the other side of the auxiliary support, and the positioning nail is arranged in the limiting hole; when the staff places the sampling pipe on the auxiliary support, the fixing belt is brought into contact with the outer wall of the sampling pipe to improve the stability of the sampling pipe, and then the positioning nail is arranged in the limiting hole corresponding to the current position, so as to assist in fixing the sampling pipe.

[0045] The two support rods are rotatably installed on the sliding block, and a spring is installed between the two support rods and connected to the two support rods at two ends; when the staff adjusts the position of the support rod, the staff holds the two support rods to facilitate the staff to push the sliding block to move along the length direction of the sliding groove, when the staff moves the sliding block to the appropriate position, the staff releases the two support rods, and the two support rods move away from each other under the action of the spring, so that a certain angle is formed between the two support rods, and the stability of the auxiliary support placed on the horizontal table top is improved.

[0046] The implementation principle of the embodiment is that when the staff needs to take samples, the staff places the sampling tube on the auxiliary support, then connects the pull head with the driving rack through the connecting assembly, then holds the holding rod installed on the auxiliary support, then moves the lithium ion electrolyte sampling device to a suitable position, and then starts the driving motor; the driving motor rotates to drive the driving gear to rotate, the driving gear rotates to drive the driving rack to move along the length direction of the sampling tube, and the driving rack moves to drive the pull head and the movable rod to move, thereby facilitating the extraction of the electrolyte.

[0047] The above is only a preferred embodiment of the present application, and does not limit the present application in any form. Any person skilled in the art can make many possible changes and modifications to the technical solution of the present application, or modify it into equivalent embodiments with equivalent changes, without departing from the scope of the technical solution of the present application. Therefore, any modification, equivalent change and modification of the above embodiments made according to the technical solution of the present application, without departing from the scope of the technical solution of the present application, all belong to the protection scope of the present application.

Claims

1. A lithium-ion electrolyte sampling device, characterized in that: The device includes a sampling tube, within which a movable rod is slidably mounted. A sealing ring is fitted at the bottom end of the movable rod, and a pull head is located at the other end. An auxiliary support is provided at the bottom of the sampling tube, and the auxiliary support has a mounting groove for placing the sampling tube. A driving assembly for moving the pull head along the length of the sampling tube is provided within the mounting groove. The driving assembly includes a mounting base, which is fixedly mounted inside the mounting groove. Two mounting rods are vertically mounted on the top of the mounting base, and the tops of the two mounting rods are provided with… A support base has a drive rack slidably mounted on it along the length of the mounting groove. A drive gear is rotatably mounted between two mounting rods, meshing with the drive rack. A drive motor is fixedly mounted on the mounting rods, and the output shaft of the drive motor is coaxially connected to the drive gear. A connecting component for connecting to a pull head is provided at the end of the drive rack. A gripping rod is provided at one end of the auxiliary bracket. A sampling seat is connected to the sampling tube, and a liquid sampling tube is connected to the sampling seat. The liquid sampling tube and the sampling seat are connected by threads.

2. The lithium-ion electrolyte sampling device according to claim 1, characterized in that: The connecting assembly includes a connecting seat, which is rotatably mounted on a drive rack. An abutment block is fixedly mounted on the connecting seat. An abutment groove is provided on the pull head to facilitate the placement of the abutment block. A handle is provided on the connecting seat. A positioning block is provided on the drive rack. An insertion rod is slidably mounted on the positioning block. A positioning hole is provided on the handle. The insertion rod is threadedly connected to the positioning hole.

3. The lithium-ion electrolyte sampling device according to claim 1, characterized in that: The auxiliary support is equipped with a storage battery, and the grip rod is equipped with a switch for controlling the rotation of the drive motor. The storage battery is electrically connected to the switch, and the switch is electrically connected to the drive motor.

4. The lithium-ion electrolyte sampling device according to claim 3, characterized in that: The bottom of the auxiliary support has a groove along its length, and a slider is slidably disposed in the groove. Two support rods are disposed on the slider, and a positioning rod is disposed on the slider. The positioning rod is threadedly connected to the slider, and a screw block is disposed at the end of the positioning rod away from the groove.

5. A lithium-ion electrolyte sampling device according to claim 1, characterized in that: The auxiliary support is also equipped with a sampling component, which includes a liquid outlet tube and a fixing base. The fixing base is located at the bottom of the auxiliary support, and multiple dispensing tubes are evenly arranged on the fixing base. A valve is connected to the bottom of each dispensing tube, and a connecting tube is connected to the bottom of each valve. A collection bottle is connected to the bottom of the connecting tube via a threaded connection. One end of the liquid outlet tube is connected to the sampling tube, and the other end is connected to the multiple dispensing tubes. A one-way valve is installed inside the liquid outlet tube, and a one-way valve is installed inside the liquid collection tube.

6. A lithium-ion electrolyte sampling device according to claim 5, characterized in that: Both the sampling tube and the collection bottle are equipped with transparent observation plates.

7. A lithium-ion electrolyte sampling device according to claim 1, characterized in that: A fixing strap is hinged to one side of the auxiliary support, and multiple limiting holes are provided on the fixing strap. A positioning pin is provided on the other side of the auxiliary support, and the positioning pin passes through the limiting holes.

8. A lithium-ion electrolyte sampling device according to claim 4, characterized in that: Both support rods are rotatably mounted on the slider, and a spring is provided between the two support rods, with the two ends of the spring connected to the two support rods respectively.

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