CN220518958U - Electrolyte joint and electrolyte barrel - Google Patents

Abstract

The utility model belongs to the technical field of electrolyte storage, and discloses an electrolyte connector and an electrolyte barrel, wherein the electrolyte connector comprises a joint pipe, and a limit table is arranged at the other end of the joint pipe; the screwing nut is sleeved on the joint pipe, one end of the screwing nut is provided with a blocking ring, and the blocking ring is abutted against the limiting table; a first internal thread is arranged in the screwing nut; one end of the quick connector is provided with a first external thread so as to be in threaded connection with the screwing nut, and the end face of the quick connector, which is close to one end of the screwing nut, is provided with a first groove; the first sealing element is arranged in the first groove, and the end faces of the quick connector and the joint pipe mutually press the first sealing element. The electrolyte barrel comprises a barrel body, at least one electrolyte joint is arranged on the barrel body, and the joint pipe is communicated with the barrel body. The screw cap, the first internal thread, the quick connector and the first external thread are mutually matched and screwed for fixation, and winding of the raw adhesive tape is canceled during connection, so that no leakage of the electrolyte connector in the transportation process of the electrolyte is ensured.

Description

Electrolyte joint and electrolyte barrel

Technical Field

The utility model relates to the technical field of electrolyte storage, in particular to an electrolyte connector and an electrolyte barrel.

Background

The current lithium ion battery industry is still developing forward with great potential, especially the appearance of new energy power automobiles in recent years promotes the rapid development of the lithium ion battery industry, and simultaneously the electrolyte industry serving as an important raw material of the lithium ion battery is also accelerating the development step, so that the requirements of the Chinese market in the last year of 2020 are improved from 30 ten thousand tons to 400 ten thousand tons in 2017, and in the process of electrolyte production and use, the electrolyte joint influences the quality of the electrolyte, and the electrolyte joint has the effect of guiding the electrolyte in a stainless steel barrel into a working area, but ensures that the electrolyte joint does not leak in the transportation process, so that the problems of worry and headache of an electrolyte manufacturing plant are solved.

The traditional electrolyte joint has the advantages that the leakage points mainly appear in the electrolyte joint connection in a taper screw thread mode, polytetrafluoroethylene raw adhesive tapes are wound on outer threads firstly in the operation process of workers, then the quick joint is screwed, the taper screw threads are fastened into English, the quantity of polytetrafluoroethylene raw adhesive tapes used in each factory is greatly different, the number of turns and tightness of the winding raw adhesive tapes are also greatly different in the operation of workers, the size of a taper screw thread gap is also greatly different, particularly, nitrogen is used for pressurizing in a barrel in the transportation process, so that the electrolyte barrel is kept in a positive pressure state, and the electrolyte barrel always generates a severe collision phenomenon in the transportation process, so that leakage from gaps of the taper screw threads is caused, other goods and surrounding environments are polluted once leakage is caused, and meanwhile economic losses are caused.

Disclosure of Invention

The utility model aims to provide an electrolyte joint and an electrolyte barrel, which are connected by omitting winding of a raw adhesive tape and ensuring that the joint of the electrolyte is not leaked in the transportation process of the electrolyte.

To achieve the purpose, the utility model adopts the following technical scheme:

an electrolyte joint comprising:

one end of the joint pipe is used for being connected with an electrolyte barrel, and the other end of the joint pipe is provided with a limiting table protruding along the radial direction of the joint pipe;

the screwing nut is sleeved on the joint pipe, one end of the screwing nut is provided with a blocking ring, and the blocking ring is abutted against the limiting table so as to limit the screwing nut; a first internal thread is arranged in the screwing nut;

the outer wall of one end of the quick connector is provided with a first external thread so as to be in threaded connection with the screwing nut, and the end face of the quick connector, which is close to one end of the screwing nut, is provided with a first groove;

the first sealing piece is arranged in the first groove, and the quick connector and the joint pipe mutually press the first sealing piece.

Preferably, the joint pipe is an elbow pipe or a straight pipe.

Preferably, the first seal is a perfluororubber O-ring.

Preferably, the first groove is a V-groove.

Preferably, the ball valve further comprises a ball valve, wherein the ball valve comprises a valve body, a first connecting part and a second connecting part, the first connecting part and the second connecting part are arranged at opposite ends of the valve body, the first connecting part and the second connecting part are respectively provided with a penetrating inner cavity so as to be communicated with the valve body, and the outer wall of one end, far away from the valve body, of the first connecting part is provided with a second external thread so as to be capable of being in matched threaded connection with the first internal thread of the screwing nut; the inner cavity wall of one end of the second connecting part far away from the valve body is provided with a second internal thread so as to be capable of being matched and screwed with the first external thread of the quick connector.

Preferably, the end face of the first connecting part far away from one end of the valve body is provided with a second groove, and a second sealing element is arranged in the second groove.

Preferably, the second groove is a V-groove.

Preferably, the second sealing member is a perfluororubber O-ring.

Preferably, the ball valve is of 316 stainless steel material.

The electrolyte barrel comprises a barrel body, wherein at least one electrolyte joint is arranged on the barrel body, and the joint pipe is communicated with the barrel body.

The utility model has the beneficial effects that:

the screw cap is screwed, the first internal thread of the screw cap is screwed, the first external thread of the quick connector and the first internal thread of the quick connector are mutually matched and screwed for fixation, and when the screw cap is fixedly connected, the sealing ring arranged in the first groove is attached to the end face of the joint pipe, so that the sealing purpose is achieved. By adopting the structure, the taper screw thread mode and the raw rubber belt winding operation are canceled, so that the electrolyte is prevented from leaking from the gap of the taper screw thread in the conveying process, and the cost is saved by canceling the raw rubber belt.

Drawings

FIG. 1 is a schematic view of an electrolyte joint of the present utility model;

FIG. 2 is a schematic view of a joint and a tightening nut according to the present utility model;

FIG. 3 is a schematic view of a quick connector of the present utility model;

FIG. 4 is a schematic illustration of the joint pipe, ball valve and quick connector connection of the present utility model;

fig. 5 is a schematic view of a ball valve in accordance with the present utility model.

In the figure:

1. a pipe is jointed; 11. a limiting table; 2. screwing a screw cap; 21. a blocking ring; 22. a first internal thread; 3. a quick connector; 31. a first external thread; 32. a first groove; 4. a first seal; 5. a ball valve; 51. a valve body; 52. a first connection portion; 53. a second connecting portion; 54. a second external thread; 55. a second groove; 56. a second internal thread; 6. and a second seal.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

As shown in fig. 1 to 5, the present embodiment provides an electrolyte joint including a joint pipe 1, a screw cap 2, a quick connector 3, and a first seal member 4; one end of the joint pipe 1 is used for being connected with an electrolyte barrel, and the other end of the joint pipe 1 is provided with a limiting table 11 protruding along the radial direction of the joint pipe 1; the screwing nut 2 is sleeved on the joint pipe 1, one end of the screwing nut 2 is provided with a blocking ring 21, and the blocking ring 21 is abutted against the limiting table 11 so as to limit the screwing nut 2; a first internal thread 22 is arranged in the screwing nut 2; one end of the quick connector 3 is provided with a first external thread 31 so as to be capable of being in threaded connection with the screwing nut 2, and the end face of the quick connector 3, which is close to one end of the screwing nut 2, is provided with a first groove 32; the first sealing element 4 is arranged in the first groove 32, and the quick joint 3 and the end surface of the joint pipe 1 mutually press the first sealing element 4.

The screw cap 2 is screwed, the first internal thread 22 of the screw cap 2 and the first external thread 31 of the quick connector 3 are mutually matched and screwed for fixation, and when the fixed connection is carried out, the sealing ring arranged in the first groove 32 is attached to the end face of the joint pipe 1, so that the sealing purpose is achieved. By adopting the structure, the taper screw thread mode and the raw rubber belt winding operation are canceled, so that the electrolyte is prevented from leaking from the gap of the taper screw thread in the conveying process, and the cost is saved by canceling the raw rubber belt.

The present embodiment will be described in detail below, and as shown in fig. 1, an electrolyte joint includes a joint pipe 1, a screw cap 2, a quick connector 3, and a first seal member 4. In particular, the joint pipe 1 may be a straight pipe or a bent pipe, which may be selected according to the position and action of connection to the electrolyte tank, without being particularly limited thereto. As shown in fig. 1 and 2, one end of the outer wall of the joint pipe 1, which is far away from the electrolyte barrel, is provided with a limiting table 11 protruding along the radial direction of the joint pipe 1, and in order to ensure the end face of the joint pipe 1 to be flush, the end face of the port of the joint pipe 1 is flush with the end face of the limiting table 11. One end of the screwing nut 2 is provided with a blocking ring 21, the screwing nut 2 is sleeved on the joint pipe 1, and the blocking ring 21 can be abutted with the limiting table 11, so that the screwing nut 2 is limited to be separated from the joint pipe 1; the inner wall of the screwing nut 2 is provided with a first internal thread 22; as shown in fig. 1 and 3, the outer wall of one end of the quick connector 3 is provided with a first external thread 31, so that when the quick connector 3 is inserted into the screw cap 2, the quick connector 3 is screwed and fastened with the screw cap 2 through the cooperation of the first internal thread 22 and the first external thread 31, and in the screwing process, the end face of the quick connector 3 abuts against the end face of the joint pipe 1. In order to ensure tightness between the two, the end face of the quick connector 3, which is close to one end of the screwing nut 2, is provided with a first groove 32, and a first sealing element 4 is arranged in the first groove 32, so that the first sealing element 4 is mutually pressed by the quick connector 3 and the joint pipe 1, and tightness between the two is ensured. More specifically, the first groove 32 is a v-shaped groove, so that the first sealing element 4 is less likely to loosen and fall off in the first groove 32. Further, the first groove 32 is an inclined V-shaped groove, wherein the groove bottom of the inclined V-shaped groove is inclined towards the side wall direction of the quick connector 3, so that the first sealing element 4 is fixed more firmly. The first seal 4 is illustratively a perfluororubber O-ring.

As shown in fig. 4 and 5, the electrolyte joint further includes a ball valve 5, the flow rate of the electrolyte can be adjusted, the ball valve 5 includes a valve body 51, and a first connecting portion 52 and a second connecting portion 53 disposed at opposite ends of the valve body 51, where the first connecting portion 52 and the second connecting portion 53 are provided with through cavities so as to be capable of communicating with the valve body 51, and the valve body of the ball valve is of the prior art, and not specifically described herein. The outer wall of the end, far away from the valve body 51, of the first connecting portion 52 is provided with a second external thread 54, and the first internal thread 22 of the screwing nut 2 can be in matched threaded connection with the second external thread, so that the joint pipe 1 and the first connecting portion 52 are in butt joint fastening. Further, the end face of the first connecting portion 52 far away from one end of the valve body 51 is provided with a second groove 55, and a second sealing member 6 is arranged in the second groove 55, so that when the ball valve 5 is connected to the joint pipe 1, the end face of the first connecting portion 52 and the end face of the joint pipe 1 can be pressed against the second sealing member 6 together to seal. The second seal 6 is illustratively a perfluororubber O-ring. The second groove 55 is a V-shaped groove, more specifically, the second groove 55 may be an inclined V-shaped groove, wherein the groove bottom of the inclined V-shaped groove is inclined to the side wall direction of the first connecting portion 52, so that the second sealing member 6 is more stable and has better sealing performance. And the inner cavity wall of the end of the second connecting part 53 far away from the valve body 51 is provided with a second inner thread 56 so as to be in matched threaded connection with the first outer thread 31 of the quick connector 3, and the sealing between the second connecting part and the quick connector 3 can directly adopt the first sealing element 4 on the quick connector 3. In order to make the corrosion resistance of the ball valve 5 better, in this embodiment, the ball valve 5 is 316 stainless steel material.

The embodiment also provides an electrolyte barrel, and at least one electrolyte connector is arranged on the electrolyte barrel, and it is understood that the ball valve can be selected according to actual use requirements. The joint pipe 1 in the electrolyte joint is communicated with the barrel body. The electrolyte joint is ensured not to leak in the transportation process of the electrolyte, and the cost can be saved.

The sealability of the above electrolyte joint was verified by a part of experiments as follows:

1. and (3) filling and pressing experiment:

2 barrels of 200KG electrolyte with the electrolyte joints are selected, the numbers are I and II, each barrel is filled with 200KG water (because the specific gravity and viscosity of the water are similar to those of the electrolyte and can be replaced), nitrogen is filled into the I barrel and the II barrel for pressurization, and when the air pressure is 0.1MPa, eyes observe that no bubbling leakage exists at the electrolyte joints of the 2 barrels; when the air pressure is flushed to 0.2MPa, observing that the electrolyte joints of the 2 barrels are free of bubbling leakage; when the air pressure is flushed to 0.3MPa, observing that the electrolyte joints of the 2 barrels are free of bubbling leakage; the electrolyte joints of all the tanks are not bubbling and leaking when pressurized until 0.5MPa, and the sealing performance of the electrolyte joints is good because the factory pressurization is 0.05MPa and the safety coefficient of 0.5MPa is more than 10 times in general.

2. Impact experiment:

200KG electrolyte of a traditional electrolyte joint is selected to form 1 branch of a barrel and is coded as III; selecting 200KG electrolyte of the electrolyte joint to form 1 branch of a barrel, and braiding the barrel as IV number; each barrel is filled with 200KG of water, and 0.1MPa of pressure is filled in the barrel; obliquely placing the III barrel and the IV barrel at 45 degrees, and freely falling from 1 meter high by using 5 pounds of metal blocks, wherein the impact scheme of each barrel is 10 times; when the No. III barrel is impacted for the 6 th time, the electrolyte joint is subjected to instant liquid spraying, and the impact scheme is stopped; in the process of impact of the IV barrel for 10 times, no leakage occurs at the joint of the electrolyte, so that the continuous impact scheme is stopped, and the sealing performance of the joint of the electrolyte is good.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims (10)

1. An electrolyte joint, comprising:

one end of the joint pipe (1) is used for being connected with an electrolyte barrel, and a limiting table (11) protruding along the radial direction of the joint pipe (1) is arranged at the other end of the joint pipe (1);

the screwing nut (2) is sleeved on the joint pipe (1), one end of the screwing nut (2) is provided with a blocking ring (21), and the blocking ring (21) abuts against the limiting table (11) so as to limit the screwing nut (2); a first internal thread (22) is arranged in the screwing nut (2);

the quick connector comprises a quick connector (3), wherein a first external thread (31) is arranged on the outer wall of one end of the quick connector (3) so as to be in threaded connection with the screwing nut (2), and a first groove (32) is formed in the end face, close to one end of the screwing nut (2), of the quick connector (3);

the first sealing piece (4), the first sealing piece (4) set up in first recess (32), quick-operation joint (3) with joint pipe (1) compress tightly each other first sealing piece (4).

2. Electrolyte joint according to claim 1, characterized in that the joint pipe (1) is a bent pipe or a straight pipe.

3. Electrolyte joint according to claim 1, characterized in that the first seal (4) is a perfluororubber O-ring.

4. The electrolyte joint of claim 1, wherein the first groove (32) is a V-groove.

5. The electrolyte joint according to any one of claims 1 to 4, further comprising a ball valve (5), the ball valve (5) comprising a valve body (51) and a first connecting portion (52) and a second connecting portion (53) provided at opposite ends of the valve body (51), the first connecting portion (52) and the second connecting portion (53) each being provided with an inner cavity therethrough to communicate with the valve body (51), an outer wall of the first connecting portion (52) at an end remote from the valve body (51) being provided with a second external thread (54) to be capable of mating threaded engagement with the first internal thread (22) of the screw cap (2); the inner cavity wall of one end of the second connecting part (53) far away from the valve body (51) is provided with a second inner thread (56) so as to be capable of being matched and screwed with the first outer thread (31) of the quick connector (3).

6. The electrolyte joint according to claim 5, wherein an end surface of the first connecting portion (52) remote from an end of the valve body (51) is provided with a second groove (55), and a second sealing member (6) is provided in the second groove (55).

7. The electrolyte joint according to claim 6, wherein the second groove (55) is a V-groove.

8. Electrolyte joint according to claim 6, characterized in that the second seal (6) is a perfluororubber O-ring.

9. The electrolyte joint according to claim 5, characterized in that the ball valve (5) is of 316 stainless steel material.

10. Electrolyte tank comprising a tank body, characterized in that at least one electrolyte joint according to any one of claims 1-9 is arranged on the tank body, and the joint pipe (1) is communicated with the tank body.