CN215299428U - Sealing structure of aluminum cylinder sealing ring - Google Patents

Abstract

The utility model discloses an aluminum cylinder sealing ring sealing structure, which comprises an aluminum cylinder and end covers arranged at the two sides of the aluminum cylinder; a sealing ring is arranged between the end cover and the aluminum cylinder, and the sealing ring comprises a sealing part matched with the end part of the aluminum cylinder and a pre-tightening part matched with the end cover; the end cover comprises a pressing rib which is formed on the periphery and matched with the end part of the aluminum cylinder; a spacing rib is formed between the inner side of the end cover and the pressing rib at a certain distance; the pre-tightening part is clamped between the pressing rib and the limiting rib; the pressing rib extends outwards relative to the periphery of the end part of the aluminum cylinder to form a compression spigot; the height of the compression seam allowance is smaller than the thickness of the sealing part. The utility model utilizes the interference fit of the sealing ring pre-tightening part to lead the sealing ring and the end cover to form a pre-machined part, thereby ensuring that the sealing ring can not fall off after the assembly is finished; the sealing ring compression spigot is designed on the periphery of the end cover and the screw locking hole position, so that the sealing compression amount of the sealing ring is limited, and the sealing ring is prevented from being excessively damaged due to compression.

Description

Sealing structure of aluminum cylinder sealing ring

Technical Field

The utility model relates to a lithium cell technical field especially involves an aluminium section of thick bamboo sealing washer seal structure.

Background

With the long-term development of the new energy field, the butt joint communication mode between the power battery product and the outside is more and more, and the aluminum tube sealing ring waterproof scheme for the battery pack is more and more applied. The design problem of the sealing ring becomes a concern in the design process of the product.

According to the existing scheme, the shell and the aluminum cylinder are locked and paid after the flat gasket is assembled, the flat gasket is easy to drop in the assembling process, the aluminum cylinder is locked and paid with screws, the flat gasket is made of soft rubber, local protrusion is easy to generate, the appearance of a product is poor, meanwhile, the sealing ring is partially damaged due to the fact that the locking screw is excessively large in torsion, and the sealing effect is lost.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the weak point among the above-mentioned prior art and provide an aluminium section of thick bamboo sealing washer seal structure that sealed effectual, pretightning force is controllable.

The utility model discloses a realize through following mode:

an aluminum cylinder sealing ring sealing structure comprises an aluminum cylinder and end covers arranged on two sides of the aluminum cylinder; be provided with the sealing washer between end cover and the aluminium section of thick bamboo, its characterized in that: the sealing ring comprises a sealing part matched with the end part of the aluminum cylinder and a pre-tightening part matched with the end cover; the end cover comprises a pressing rib which is formed on the periphery and matched with the end part of the aluminum cylinder; a spacing rib is formed between the inner side of the end cover and the pressing rib at a certain distance; the pre-tightening part is clamped between the pressing rib and the limiting rib; the pressing rib extends outwards relative to the periphery of the end part of the aluminum cylinder to form a compression spigot; the height of the compression seam allowance is smaller than the thickness of the sealing part.

Further, the end cover is fixed with the aluminum cylinder through a screw; the sealing part is provided with a through hole through which a screw passes.

Furthermore, the cross section of the sealing ring is L-shaped.

Furthermore, the limiting ribs are annular ribs arranged in parallel with the pressing ribs or a plurality of limiting ribs arranged in parallel with the pressing ribs at intervals.

Furthermore, the distance between the limiting rib and the pressing rib is smaller than the thickness of the pre-tightening part.

The beneficial effects of the utility model reside in that: 1. the interference fit of the pre-tightening part of the sealing ring is utilized to enable the sealing ring and the end cover to form a pre-machined part, so that the sealing ring is prevented from falling off after being assembled, and the problem that the flat gasket is easy to fall off during assembly is solved;

2. sealing ring compression rabbets are designed on the periphery of the end cover and screw locking hole positions, so that deformation of the sealing ring in the screw locking process of the aluminum cylinder is prevented from going towards the surface of the appearance;

3. meanwhile, the sealing compression amount of the sealing ring is limited, and the sealing ring is prevented from being excessively damaged due to compression.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is an exploded view of the structure of the present invention;

FIG. 2 is an enlarged view of the part A of the structure of the present invention;

FIG. 3 is a sectional view of the structure of the present invention;

FIG. 4 is an enlarged view of the B part of the structure of the present invention;

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are 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. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. 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.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "provided," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in fig. 1-4, an aluminum cylinder sealing ring sealing structure includes an aluminum cylinder 100 and end caps 101 disposed at two sides of the aluminum cylinder; a sealing ring 102 is arranged between the end cover 101 and the aluminum cylinder 100, and the sealing ring 102 comprises a sealing part 103 matched with the end part of the aluminum cylinder 100 and a pre-tightening part 104 matched with the end cover 101; the end cover 101 comprises a pressing rib 105 which is formed on the periphery and matched with the end part of the aluminum cylinder 100; a limiting rib 106 is formed on the inner side of the end cover 101 and the pressing rib 105 at a certain distance; the pre-tightening part 104 is clamped between the pressing rib 105 and the limiting rib 106; the pressing rib 105 extends outwards relative to the periphery of the end part direction of the aluminum cylinder 100 to form a compression spigot 107; the height of the compression seam allowance 107 is smaller than the thickness of the sealing part 103.

In an embodiment of the present invention, the end cap 101 is fixed to the aluminum tube 100 by screws 108; the sealing portion 103 is provided with a through hole 109 through which a screw 108 passes.

In an embodiment of the present invention, the cross-section of the sealing ring 102 is L-shaped.

In an embodiment of the present invention, the limiting rib 106 is an annular rib parallel to the pressing rib 105 or a plurality of limiting ribs 106 parallel to the pressing rib 105 at intervals.

In an embodiment of the present invention, the distance between the limiting rib 106 and the pressing rib 105 is smaller than the thickness of the pre-tightening portion 104.

When the utility model is used, firstly, the pre-tightening part 104 is in interference clamping at the clearance between the pressing rib 105 and the limiting rib 106, thereby realizing the pre-tightening of the sealing ring, preventing the sealing ring from falling off and improving the problem that the flat gasket is easy to fall off during the assembly; meanwhile, when the sealing ring is installed, the thickness of the sealing part 103 is slightly larger than the height of the compression spigot 107, so that the compression amount of the sealing ring is certain after locking, only the height difference between the sealing part 103 and the compression spigot 107 needs to be ensured, the standard operation can be conveniently carried out, and the sealing ring is prevented from being damaged due to overpressure. Meanwhile, a certain interval exists between the inner side of the compression seam allowance 107 and the end part of the sealing part 103, and the compression seam allowance 107 is matched with the end part of the aluminum cylinder 100 after being locked, so that the deformation of the sealing part 103 is prevented from exceeding the outside and being exposed, and the attractiveness of a product is not affected.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (5)

1. An aluminum cylinder sealing ring sealing structure comprises an aluminum cylinder (100) and end covers (101) arranged on two sides of the aluminum cylinder; be provided with between end cover (101) and aluminium section of thick bamboo (100) sealing washer (102), its characterized in that: the sealing ring (102) comprises a sealing part (103) matched with the end part of the aluminum cylinder (100) and a pre-tightening part (104) matched with the end cover (101); the end cover (101) comprises a pressing rib (105) which is formed on the periphery and matched with the end part of the aluminum cylinder (100); a limiting rib (106) is formed at a certain distance between the inner side of the end cover (101) and the pressing rib (105); the pre-tightening part (104) is clamped between the pressing rib (105) and the limiting rib (106); the pressing rib (105) extends outwards relative to the periphery of the end part direction of the aluminum cylinder (100) to form a compression spigot (107); the height of the compression seam allowance (107) is smaller than the thickness of the sealing part (103).

2. The sealing structure of an aluminum cylinder sealing ring according to claim 1, characterized in that: the end cover (101) is fixed with the aluminum cylinder (100) through a screw (108); and a through hole (109) through which a screw (108) passes is arranged on the sealing part (103).

3. The sealing structure of an aluminum cylinder sealing ring according to claim 1, characterized in that: the cross section of the sealing ring (102) is L-shaped.

4. The sealing structure of an aluminum cylinder sealing ring according to claim 1, characterized in that: the limiting ribs (106) are annular ribs arranged in parallel with the pressing ribs (105) or a plurality of limiting ribs (106) arranged in parallel with the pressing ribs (105) at intervals.

5. The sealing structure of an aluminum cylinder sealing ring according to claim 1, characterized in that: the distance between the limiting rib (106) and the pressing rib (105) is smaller than the thickness of the pre-tightening part (104).

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