CN218498331U

CN218498331U - Accurate stable alkali-manganese cell annotates electrolyte solution device

Info

Publication number: CN218498331U
Application number: CN202222104085.0U
Authority: CN
Inventors: 韩付军; 史振华; 徐宏磊; 顾微; 沈昱; 冉华明
Original assignee: Zhejiang Camelion Electric Appliance Industrial Co ltd
Current assignee: Zhejiang Camelion Electric Appliance Industrial Co ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2023-02-17
Anticipated expiration: 2032-08-10

Abstract

The utility model discloses an electrolyte solution device is annotated to accurate stable alkali-manganese cell, including the pump body, be provided with the rotary valve subassembly in the pump body, the rotary valve subassembly includes zirconia rotary valve overcoat and zirconia rotary valve case, the zirconia rotary valve case is adorned in zirconia rotary valve overcoat and is connected with zirconia rotary valve overcoat rotation, the utility model discloses the rotary valve case is solid whole rotary valve case, adopts acid and alkali-resistance, stand wear and tear zirconia pottery to increase a plurality of O type circle seal grooves, reduced the maintenance frequency of notes liquid pump.

Description

Accurate stable alkali-manganese cell annotates electrolyte solution device

Technical Field

The utility model belongs to the technical field of alkaline manganese cell production facility, more specifically the utility model relates to an electrolyte solution device is annotated to accurate stable alkaline manganese cell that says so.

Background

The electrolyte solution of the alkaline manganese battery is an alkaline solution with a certain concentration, which is formed by stirring and mixing potassium hydroxide, zinc oxide and deionized water according to a process proportion, and the solution has strong corrosivity. The positive and negative ions in the electrolyte solution not only play a role in conducting electricity, but also OH-and H2O molecules in the electrolyte solution participate in electrode reaction or are products of the electrode reaction. Therefore, injecting an electrolyte solution satisfying process requirements into the separator tube during the assembly of the battery is a very important process.

The stability and the accuracy of the liquid injection equipment are important requirements for ensuring that the injection of the electrolyte meets the process specification and realizing the excellent quality of the battery. If the injection amount is large, the capacity of the battery is large, the large current performance is good, but liquid leakage is easy, the amount is small, although liquid leakage is not easy, the capacity is small, and the large current discharge performance is poor, so that adding a proper amount of electrolyte into the limited space of the battery is one of the key factors for preparing the battery, and smooth implementation of the injection process needs complete combination of two conditions of scientific and reasonable design and stable operation of equipment, so that stable operation of the equipment is a prerequisite condition for realizing stable and accurate injection of the electrolyte solution.

As shown in fig. 1, a rotary valve component, which is a traditional liquid injection core component in the battery industry, is designed to be hollow, and is matched with a rotary valve component formed by bonding a stainless steel coupling component 11, a connecting component 12, a nylon component 13 and the like by anaerobic adhesives, the rotary valve component is corroded by strong alkali for a long time and rotates at a high speed, a stainless steel coupling piece and a ceramic piece are easy to come unstuck, the nylon component is loosened, the rotary valve is not opened or closed in time, the sealing performance is poor, the fault rate is high and other reasons are caused, the liquid injection state is directly influenced, the phenomena of hanging drop of electrolyte, unstable liquid injection amount and the like during liquid injection frequently occur, the pollution to a steel shell barrel body and an opening is serious, even the alkali climbing risk exists, and the production efficiency and the product quality are seriously influenced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a rotary valve core adopts acid and alkali-resistance, stand wear and tear zirconia ceramic for solid whole rotary valve core to increase a plurality of O type circle seal grooves, reduced the maintenance frequency of charge pump.

In order to achieve the above purpose, the utility model provides a following technical scheme: the device comprises a pump body, wherein a rotary valve component is arranged in the pump body, the rotary valve component comprises a zirconia rotary valve jacket and a zirconia rotary valve core, and the zirconia rotary valve core is arranged in the zirconia rotary valve jacket and is rotationally connected with the zirconia rotary valve jacket.

Furthermore, a plurality of sealing grooves are formed in the outer circumferential surface of the zirconia rotary valve element, and O-shaped sealing rings are arranged in the sealing grooves.

Furthermore, a rotating shaft connecting piece is arranged at one axial end of the zirconia rotary valve element, the zirconia rotary valve element is in concave-convex coupling with the rotating shaft connecting piece, and the zirconia rotary valve element is circumferentially fixed with the rotating shaft connecting piece.

Further the bottom of the pump body is connected with a liquid injection one-way valve, and the liquid injection one-way valve is connected with a liquid injection head.

Furthermore, the liquid injection head is provided with a plurality of injection holes which are arranged at an inclined angle scattering outwards with the axial direction of the liquid injection head.

And three injection holes are further formed and are uniformly distributed along the circumference.

Compared with the prior art, the beneficial effects of the utility model are that: the adopted rotary valve core is a solid integral rotary valve core, adopts acid-base-resistant and wear-resistant zirconia ceramics, and is additionally provided with a plurality of O-shaped ring sealing grooves; the use of a plurality of parts and a glue bonding mode are avoided, and the use process is avoided; the problems of degumming, aging, loosening, poor sealing performance and the like of the bonding part reduce the maintenance frequency of the liquid injection pump and greatly improve the production efficiency.

Drawings

FIG. 1 is a schematic illustration of a prior art rotary valve assembly in part;

FIG. 2 is a front view of the present invention;

fig. 3 is a cross-sectional view of the present invention;

FIG. 4 is a cross-sectional view of the transfer valve assembly of the present invention;

FIG. 5 is a three-dimensional structure diagram of the zirconium oxide rotary valve element, the rotary shaft connecting piece, the rotary valve shaft and the rocker arm of the present invention;

FIG. 6 is a cross-sectional view of the liquid injection head of the present invention;

fig. 7 is a perspective view of the liquid filling head of the present invention.

Reference numerals: 21. a pump body; 22. a rotary valve assembly; 221. a zirconia rotary valve core; 222. a zirconia rotary valve outer sleeve; 2211. a sealing groove; 23. a rotary valve stop assembly; 24. a rotary valve switch assembly; 241. a rocker arm; 242. a rotary valve shaft; 243. a rotating shaft connecting piece; 25. a one-way valve; 26. and a liquid injection head; 261. an injection hole; 271. a plunger; 272. a plunger sleeve; 28. and a liquid injection pipe joint.

Detailed Description

The embodiment of the device for injecting electrolyte solution into the precise and stable alkaline manganese cell of the present invention is further described with reference to fig. 1 to 7.

In the description of the present invention, it should be noted that, for the orientation words, such as the terms "center", "lateral (X)", "longitudinal (Y)", "vertical (Z)", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., the orientation and the positional relationship are indicated based on the orientation or the positional relationship shown in the drawings, and the description is only for convenience of describing the present invention and simplifying the description, but not for indicating or implying that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and should not be construed as limiting the specific protection scope of the present invention.

Furthermore, if the terms "first" and "second" are used for descriptive purposes only, they are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features. Thus, the definition of "a first" or "a second" feature may explicitly or implicitly include one or more of the features, and "a plurality" or "a plurality" in the description of the invention means two or more unless a specific definition is explicitly provided.

The device for accurately and stably injecting the electrolyte solution into the alkaline manganese battery comprises a pump body 21, wherein a rotary valve assembly 22 is arranged in the pump body 21, the rotary valve assembly 22 comprises a zirconia rotary valve outer sleeve 222 and a zirconia rotary valve core 221, and the zirconia rotary valve core 221 is arranged in the zirconia rotary valve outer sleeve 222 and is in rotary connection with the zirconia rotary valve outer sleeve 222.

As shown in fig. 2 and 3, the pump body 21 in this embodiment further has a plunger 271 and a plunger sleeve 272 therein, a sealing system is provided between the plunger 271 and the pump body 21, a liquid injection pipe joint 28 is provided at a position of the pump body 21 corresponding to the rotary valve assembly 22, wherein the pump body 21 and the liquid injection pipe joint 28 are made of 304 stainless steel, the liquid injection pipe joint 28 is a quick-screwing joint, and a teflon pipe is locked by a nut and cut into a pipe wall, thereby achieving a sealing effect, and an electrolyte is drained from the liquid storage tank into the liquid injection pump body 21; effectively preventing the electrolyte fluid from being pumped into the air.

The plunger 271 and the plunger sleeve 272 are made of zirconia, and the plunger 271 connecting assembly realizes the up-and-down pumping movement and the adjustment of the liquid injection amount through the cam track of the equipment operation.

The sealing system comprises a lubricating sealing water cup and a sealing assembly, and deionized water is added into the sealing water cup, so that cooling, lubricating and sealing effects can be realized; the pumping and injection friction generated by the high-speed motion of the plunger 271 is ensured to realize the effects of cooling and lubrication; the leak tightness of drawing notes has more effectually been guaranteed to reach the device job stabilization, pour into accurate operation high-efficient, satisfy the reliability of technological requirement electrolyte solution to pouring into.

The pump body 21 is connected with a base of the pump body 21, the base of the pump body 21 is also made of 304 stainless steel, and is alkali-resistant and corrosion-resistant, so that the close fit and the stability of the pump body and the pump body are ensured; the pump body 21 is arranged on the equipment base body in a base mode, and can be installed according to the equipment design hourly speed and the station number.

In the present embodiment, the rotary valve assembly 22 omits the use of multiple parts and the gluing method, as shown in fig. 4 and 5, a plurality of sealing grooves 2211 are provided on the outer circumferential surface of the zirconia rotary valve core 221 in the present embodiment, and O-rings are provided in the sealing grooves 2211;

preferably, a rotating shaft connecting part 243 is arranged at one axial end of the zirconia rotary valve element 221, the zirconia rotary valve element 221 is in concave-convex coupling with the rotating shaft connecting part 243, and the zirconia rotary valve element 221 and the rotating shaft connecting part 243 are circumferentially fixed.

The rotating shaft connecting piece 243 and the zirconia rotary valve core 221 are in concave-convex coupling through a straight, cross, rice and other structures, the rotating shaft connecting piece 243 is tightly matched with the rotary valve shaft 242 through a cross-shaped coupling piece, and the rotary valve shaft 242 is fixed with the rocker arm 241, so that synchronous rotation of the rotary valve switch assembly 24 (including a combination body formed by the rocker arm 241, the rotary valve shaft 242 and the rotating shaft connecting piece 243) and the zirconia rotary valve core 221 is ensured; in the running process of the equipment, the upper cam and the lower cam are in contact with the rotary valve switch component 24, so that the zirconia rotary valve core 221 is driven to be opened or closed by 90 degrees clockwise or anticlockwise, the rotary valve stop component 23 on the pump body 21 plays a key braking limiting role, and the rotary valve core is effectively ensured; the stop position of 90 degrees clockwise or counterclockwise ensures the circulation or the disconnection of the electrolyte fluid in the pump body 21 more effectively.

In this embodiment, a liquid injection check valve 25 is preferably connected to the bottom end of the pump body 21, and a liquid injection head 26 is preferably connected to the liquid injection check valve 25.

The liquid injection one-way valve 25 ensures that the electrolyte solution can only flow along the injection direction, and the reverse backflow is prohibited, so that the entering of bubbles is avoided, and the liquid injection stability is influenced.

As shown in FIGS. 6 and 7, the injection head 26 is provided with a plurality of injection holes 261, and the plurality of injection holes 261 are arranged at an inclined angle that scatters outward in the axial direction of the injection head 26.

Specifically, three injection holes 261 are provided, and the three injection holes 261 are uniformly distributed along the circumference.

The angle of jet orifice 261 and perpendicular line can design according to different model batteries, and every jet orifice 261 all sprays to the diaphragm intraductally to the outside, and the direct paper tube inner wall, the positive polar ring that pour into the diaphragm pipe of electrolyte during notes liquid absorbs very fast, has reduced the electrolyte solution volume of the flow state of paper socle portion, has stopped the recoil phenomenon of splashing better.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides an electrolyte solution device is annotated to accurate stable alkali-manganese cell, includes the pump body, is provided with in the pump body and changes the valve assembly, its characterized in that: the rotary valve component comprises a zirconia rotary valve outer sleeve and a zirconia rotary valve core, and the zirconia rotary valve core is arranged in the zirconia rotary valve outer sleeve and is rotationally connected with the zirconia rotary valve outer sleeve.

2. The apparatus for injecting electrolyte solution into alkaline manganese cell according to claim 1, wherein: and a plurality of sealing grooves are formed in the outer circumferential surface of the zirconia rotary valve core, and O-shaped sealing rings are arranged in the sealing grooves.

3. The apparatus for injecting electrolyte solution into alkaline-manganese dioxide battery according to claim 2, wherein: the axial one end of zirconia rotary valve core is provided with the pivot connecting piece, zirconia rotary valve core and the unsmooth coupling of pivot connecting piece, zirconia rotary valve core and pivot connecting piece circumference are fixed.

4. The apparatus for injecting electrolyte solution into alkaline manganese dioxide battery according to claim 3, wherein: the bottom of the pump body is connected with a liquid injection one-way valve, and the liquid injection one-way valve is connected with a liquid injection head.

5. The apparatus for injecting electrolyte solution into alkaline manganese dioxide battery according to claim 4, wherein: the liquid injection head is provided with a plurality of injection holes, and the plurality of injection holes and the axial direction of the liquid injection head are arranged in an inclined angle of outward scattering.

6. The apparatus for injecting electrolyte solution into alkaline manganese dioxide battery according to claim 5, wherein: the three injection holes are uniformly distributed along the circumference.