Diaphragm anti-skid mounting structure and alkaline electrolytic cell

Abstract

The utility model relates to the technical field of electrolytic baths, and discloses a diaphragm anti-skid mounting structure and an alkaline electrolytic bath. The second polar plate is arranged below the first polar plate, a mounting groove is formed in the upper surface of the second polar plate, a convex column is arranged in the mounting groove, and the convex column is connected with the second polar plate; the diaphragm is arranged between the first polar plate and the second polar plate, and one end of the diaphragm is arranged on the mounting groove; the sealing gasket is arranged between the first polar plate and the second polar plate, the sealing gasket is located on the diaphragm, the sealing gasket comprises a main body part and an expansion part arranged at one end of the main body, the expansion part is correspondingly arranged above the mounting groove, and the surface of the expansion part extends outwards to form a plurality of bulges; and when the first polar plate and the second polar plate are close to each other, the sealing gasket is extruded, so that the bulge of the expansion part extrudes the diaphragm in the mounting groove, and the diaphragm is propped against the convex column. The diaphragm anti-skid mounting structure and the alkaline electrolytic cell can prevent the diaphragm from sliding, so that the mounting is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of electrolytic cells, in particular to a diaphragm anti-slip installation structure and an alkaline electrolytic cell. Background Art

[0002] Alkaline electrolyzers have various structural forms for producing hydrogen and oxygen, specifically including an installation structure that uses two electrode plates and a sealing gasket to clamp the diaphragm, wherein the diaphragm is directly overlapped on the sealing gasket to achieve the positioning of the diaphragm and the sealing effect of the sealing gasket. Since the surfaces of the diaphragm and the sealing gasket are both flat, the diaphragm is prone to slipping, making the diaphragm installation inconvenient. Therefore, the technical solution of the present application is urgently needed to solve the above problems. Utility Model Content

[0003] The utility model aims to provide a diaphragm anti-slip installation structure and an alkaline electrolytic cell, which can prevent the diaphragm from sliding and facilitate installation.

[0004] In order to achieve the above-mentioned object, the first aspect of the present invention provides a diaphragm anti-slip installation structure, comprising:

[0005] a first electrode plate;

[0006] a second electrode plate disposed below the first electrode plate, wherein the upper surface of the second electrode plate has a mounting groove, the mounting groove has a protrusion, and the protrusion is connected to the second electrode plate;

[0007] a diaphragm, disposed between the first electrode plate and the second electrode plate, one end of the diaphragm being disposed on the mounting groove; and

[0008] a sealing gasket, disposed between the first electrode plate and the second electrode plate, and located on the diaphragm, the sealing gasket comprising a main body and an expansion portion disposed at one end of the main body, the expansion portion being disposed correspondingly above the mounting groove, and a surface of the expansion portion extending outward to form a plurality of protrusions;

[0009] When the first electrode plate and the second electrode plate are brought closer to each other, the sealing gasket is squeezed, so that the protrusion of the expansion portion presses the diaphragm into the installation groove, so that the diaphragm abuts against the boss.

[0010] In some embodiments, the protrusions include a first protrusion, a second protrusion, a third protrusion, and a fourth protrusion, the first protrusion and the second protrusion are provided on an upper portion of the expansion portion, and the third protrusion and the fourth protrusion are provided on a lower portion of the expansion portion.

[0011] In some embodiments, a first groove is formed on an upper surface of the expansion portion between the first protrusion and the second protrusion.

[0012] In some embodiments, a second groove is formed on the lower surface of the expansion portion between the third protrusion and the fourth protrusion, and the second groove is correspondingly provided on the boss.

[0013] In some embodiments, the depth of the second groove is no greater than the height of the protrusion.

[0014] In some embodiments, a third groove is formed on a side surface of the expansion portion between the first protrusion and the third protrusion.

[0015] In some embodiments, the lower surface of the first electrode plate further has a plurality of first sealing grooves, and the first sealing grooves are correspondingly arranged above the main body.

[0016] In some embodiments, the upper surface of the second electrode plate further has a plurality of second sealing grooves, and the second sealing grooves are correspondingly arranged below the main body.

[0017] In some embodiments, the thickness of the expansion portion is not less than the thickness of the main body.

[0018] A second aspect of the present invention provides an alkaline electrolytic cell, comprising the anti-slip mounting structure for the diaphragm according to the embodiment of the first aspect.

[0019] The utility model provides a diaphragm anti-slip installation structure and an alkaline electrolytic cell. Compared with the prior art, the utility model has the following beneficial effects:

[0020] The upper surface of the second electrode plate is provided with a mounting groove, and the mounting groove is provided with a protrusion. The sealing gasket includes a main body and an expansion part provided at one end of the main body. The expansion part is provided correspondingly above the mounting groove, and the surface of the expansion part extends outward to form a plurality of protrusions. When the first electrode plate and the second electrode plate are close to each other, the sealing gasket is squeezed, so that the protrusion of the expansion part squeezes the diaphragm into the mounting groove, so that the diaphragm abuts against the protrusion, thereby preventing the diaphragm from sliding and facilitating installation. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the cross-sectional structure of the anti-slip installation structure of the diaphragm provided in an embodiment of the present utility model.

[0022] Figure 2 A schematic diagram of a partially exploded cross-section of the diaphragm anti-slip mounting structure provided in an embodiment of the present invention.

[0023] Figure 3 This is a partially enlarged structural schematic diagram of the expansion portion of the diaphragm anti-slip installation structure provided by an embodiment of the utility model.

[0024] In the figure: 100, anti-slip mounting structure of the diaphragm; 1, first electrode plate; 11, first sealing groove; 2, second electrode plate; 21, mounting groove; 22, boss; 23, second sealing groove; 3, diaphragm; 4, sealing gasket; 41, main body; 42, expansion portion; 43, first protrusion; 44, second protrusion; 45, third protrusion; 46, fourth protrusion; 47, fourth groove; 48, second groove; 49, third groove. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments.

[0026] It should be understood that in the description of this application, the terms "upper", "lower", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings. They are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must be provided with a specific orientation, constructed and operated in a specific orientation. Therefore, they cannot be understood as limitations on this application. The terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. That is, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In addition, unless otherwise specified, "multiple" means two or more.

[0027] In addition, the technical features involved in the different embodiments of the present application described below can be combined with each other as long as they do not conflict with each other.

[0028] like Figure 1-3 As shown, a diaphragm anti-slip mounting structure 100 according to an embodiment of the present invention includes a first electrode plate 1, a second electrode plate 2, a diaphragm 3, and a sealing gasket 4. When the first electrode plate 1 and the second electrode plate 2 are clamped together, the position of the diaphragm 3 is fixed, and the sealing gasket 4 achieves a sealing effect.

[0029] The second electrode plate 2 is disposed below the first electrode plate 1. The upper surface of the second electrode plate 2 has a mounting groove 21, and the mounting groove 21 has a protrusion 22, which is connected to the second electrode plate 2. The first electrode plate 1 and the second electrode plate 2 mainly serve to conduct electrons and block the cathode alkaline solution and the anode alkaline solution.

[0030] The diaphragm 3 is disposed between the first electrode plate 1 and the second electrode plate 2, and one end of the diaphragm 3 is disposed on the mounting groove 21. The diaphragm 3 is used to separate the generated hydrogen and oxygen, and has high ionic conductivity, facilitating the transfer of hydroxide ions from the cathode to the anode.

[0031] The sealing gasket 4 is arranged between the first electrode plate 1 and the second electrode plate 2, and the sealing gasket 4 is located on the diaphragm 3. The sealing gasket 4 includes a main body 41 and an expansion portion 42 arranged at one end of the main body 41. The expansion portion 42 is correspondingly arranged above the mounting groove 21, and the surface of the expansion portion 42 extends outward to form multiple protrusions.

[0032] In this embodiment, when the first electrode plate 1 and the second electrode plate 2 are brought closer together, the sealing gasket 4 is squeezed, causing the protrusion of the expansion portion 42 to press the diaphragm 3 into the mounting groove 21, so that the diaphragm 3 abuts the protrusion 22. At this time, the diaphragm 3 is pressed tightly against the mounting groove 21 and the protrusion 22 by the protrusion of the expansion portion 42, thereby preventing the diaphragm 3 from sliding and facilitating installation of the diaphragm 3.

[0033] like Figure 3 As shown, in one embodiment, the protrusions include a first protrusion 43, a second protrusion 44, a third protrusion 45, and a fourth protrusion 46. The first protrusion 43 and the second protrusion 44 are provided at the upper portion of the expansion portion 42, and the third protrusion 45 and the fourth protrusion 46 are provided at the lower portion of the expansion portion 42. The first protrusion 43, the second protrusion 44, the third protrusion 45, and the fourth protrusion 46 can be deformed when squeezed.

[0034] In one embodiment, a first groove 47 is formed on the upper surface of the expansion portion 42 between the first protrusion 43 and the second protrusion 44. The first groove 47 forms an accommodation space to accommodate the deformed portion between the first protrusion 43 and the second protrusion 44 caused by compression.

[0035] In one embodiment, a second groove 48 is formed on the lower surface of the expansion portion 42 between the third protrusion 45 and the fourth protrusion 46. The second groove 48 forms a space to accommodate the deformation caused by the compression between the third protrusion 45 and the fourth protrusion 46. The second groove 48 is provided on the corresponding boss 22, and the third protrusion 45 and the fourth protrusion 46 can exert a compressive force to press the diaphragm 3 against the boss 22.

[0036] In one embodiment, the depth of the second groove 48 is no greater than the height of the boss 22 , so that the boss 22 and the diaphragm 3 can be tightly abutted in the second groove 48 .

[0037] In one embodiment, a third groove 49 is formed on the side of the expansion portion 42 between the first protrusion 43 and the third protrusion 45. The third groove 49 forms an accommodation space to accommodate the deformed portion between the first protrusion 43 and the third protrusion 45 caused by compression.

[0038] like Figure 2As shown, in one embodiment, the lower surface of the first electrode plate 1 further has a plurality of first sealing grooves 11, which are correspondingly arranged above the main body 41. The upper surface of the main body 41 is squeezed into the first sealing groove 12, which can improve the sealing effect of the sealing gasket 4.

[0039] like Figure 2 As shown, in one embodiment, the upper surface of the second electrode plate 2 further has a plurality of second sealing grooves 23, which are correspondingly arranged below the main body 41. The lower surface of the main body 41 is squeezed into the second sealing grooves 23, which can improve the sealing effect of the sealing gasket 4.

[0040] In one embodiment, the thickness of the expansion portion 42 is not less than the thickness of the main body 41 , so that the extrusion force on the expansion portion 42 is greater than that on the main body 41 , thereby improving the installation stability of the diaphragm 3 .

[0041] Another embodiment of the alkaline electrolytic cell of the present invention includes the diaphragm anti-slip installation structure 100 of the above embodiment, which can prevent the diaphragm 3 from sliding in the alkaline electrolytic cell, making it easy to install.

[0042] The above is only a preferred embodiment of the present invention. It should be pointed out that for ordinary technicians in this technical field, several improvements and replacements can be made without departing from the technical principles of the present invention. These improvements and replacements should also be regarded as the scope of protection of the present invention.

Claims

1. A diaphragm anti-slip installation structure, characterized in that: include: a first electrode plate; a second electrode plate disposed below the first electrode plate, wherein the upper surface of the second electrode plate has a mounting groove, the mounting groove has a protrusion, and the protrusion is connected to the second electrode plate; a diaphragm, disposed between the first electrode plate and the second electrode plate, one end of the diaphragm being disposed on the mounting groove; as well as a sealing gasket, disposed between the first electrode plate and the second electrode plate, and located on the diaphragm, the sealing gasket comprising a main body and an expansion portion disposed at one end of the main body, the expansion portion being disposed correspondingly above the mounting groove, and a surface of the expansion portion extending outward to form a plurality of protrusions; When the first electrode plate and the second electrode plate are brought closer to each other, the sealing gasket is squeezed, so that the protrusion of the expansion portion presses the diaphragm into the installation groove, so that the diaphragm abuts against the boss.

2. The diaphragm anti-slip installation structure according to claim 1, characterized in that: The protrusions include a first protrusion, a second protrusion, a third protrusion, and a fourth protrusion. The first protrusion and the second protrusion are provided at an upper portion of the expansion portion, and the third protrusion and the fourth protrusion are provided at a lower portion of the expansion portion.

3. The anti-slip installation structure of the diaphragm according to claim 2, characterized in that: A first groove is formed on an upper surface of the expansion portion between the first protrusion and the second protrusion.

4. The anti-slip installation structure of the diaphragm according to claim 2, characterized in that: A second groove is formed on the lower surface of the expansion portion between the third protrusion and the fourth protrusion, and the second groove is correspondingly provided on the convex column.

5. The anti-slip installation structure of the diaphragm according to claim 4, characterized in that: The depth of the second groove is no greater than the height of the protrusion.

6. The anti-slip installation structure of the diaphragm according to claim 2, characterized in that: A third groove is formed on a side surface of the expansion portion between the first protrusion and the third protrusion.

7. The anti-slip installation structure of the diaphragm according to claim 1, characterized in that: The lower surface of the first electrode plate further has a plurality of first sealing grooves, and the first sealing grooves are correspondingly arranged above the main body.

8. The anti-slip installation structure of the diaphragm according to claim 1, characterized in that: The upper surface of the second electrode plate further has a plurality of second sealing grooves, and the second sealing grooves are correspondingly arranged below the main body.

9. The anti-slip installation structure of the diaphragm according to claim 1, characterized in that: The thickness of the expansion portion is not less than the thickness of the main body.

10. An alkaline electrolytic cell, characterized in that: It comprises the diaphragm anti-slip mounting structure according to any one of claims 1 to 9.

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