CN217927109U

CN217927109U - Sealing structure suitable for special-shaped device

Info

Publication number: CN217927109U
Application number: CN202222363006.8U
Authority: CN
Inventors: 张晓宁; 刘晨晨; 周仙志; 赵玉伟; 丛华成; 丛晓; 李鸣
Original assignee: Weihai Langkabo Intelligent Equipment Manufacturing Co ltd
Current assignee: Weihai Langkabo Intelligent Equipment Manufacturing Co ltd
Priority date: 2022-09-06
Filing date: 2022-09-06
Publication date: 2022-11-29
Anticipated expiration: 2032-09-06

Abstract

The application discloses a sealing structure suitable for a special-shaped device, which comprises a shell, a cover body and an O-shaped ring, wherein a bulge part is arranged on the shell and matched with a first through hole of the cover body, and a wall body between the first through hole and the edge of the cover body is thick, so that the shell can be effectively prevented from being deformed due to outward expansion; the side wall of the cover body and the second limiting part form an L-shaped structure, and the reinforcing ribs of the cover body are distributed in a radioactive mode, so that the deformation reducing capacity of the cover body can be further improved; the connector quantity of bellying and first through-hole is more, and when external strength strikes, the dispersible external strength of a plurality of connectors reduces deformation and keeps stable connection. This application can improve the ability that the special-shaped structure shape reduced deformation through above setting, and then solves the problem that the inefficacy is revealed easily to special-shaped structure shape side seal, simple structure, and convenient the dismantlement.

Description

Sealing structure suitable for special-shaped device

Technical Field

The application relates to the technical field of sealing structures, in particular to a sealing structure suitable for a special-shaped device.

Background

Most mechanisms are provided with sealing structures at the joints of their components to seal the gaps at the joints against the infiltration of liquids, gases or solid dust. The junction between the part of current mechanism generally adopts circular O type circle seal structure, but in use, because the different application scenes of different mechanisms, non-circular special-shaped shape can appear inevitably to the circular shape side can lead to the profile to warp and then can not use the side seal under the appearance tension, consequently, needs a novel seal structure urgently, can solve the side seal problem of special-shaped structure shape.

Disclosure of Invention

This application aim at provides a be suitable for seal structure of special-shaped device, can prevent the infiltration of liquid, gas or solid dust, at the inside sealed space that forms of device, convenient dismantlement moreover, simple structure.

The embodiment of the application can be realized by the following technical scheme:

a sealing structure suitable for a special-shaped device comprises a shell, a cover body and an O-shaped ring, wherein the shell is connected with the cover body in a sealing and detachable mode;

the shell comprises a convex structure positioned on the upper surface of the shell, the cover comprises a fastening structure matched with the convex structure, and the convex structure is matched with the fastening structure in shape;

the cover body further comprises a third annular clamping groove located in the outer side wall of the cover body, and the third annular clamping groove is matched with the O-shaped ring in shape and in sealing fit.

Further, the convex structure comprises a plurality of convex parts which are uniformly distributed;

the protruding part and the shell are integrally formed.

Further, the lid includes the block, fastening structure includes that a plurality of runs through the first through-hole of evenly distributed of block, first through-hole with the bellying quantity equals, the position corresponds and shape adaptation.

Furthermore, the cover body also comprises a second matching body convexly arranged on the lower surface of the cover cap, and the second matching body is positioned on the inner side of the first through hole;

the nut cap further comprises a plurality of reinforcing ribs positioned on the lower surface of the nut cap and a second through hole penetrating through the nut cap, and the plurality of reinforcing ribs radially extend towards the second matching body by taking the second through hole as a starting point.

Furthermore, the number of the reinforcing ribs is equal to that of the first through holes;

and one end of the reinforcing rib, which is far away from the second through hole, corresponds to the first through hole.

Further, the second cooperation body is including being located the first spacing portion and the spacing portion of second cooperation body lateral surface, first spacing portion with the spacing portion of second be two cyclic annular archs on the second cooperation body and with shells inner wall interference fit.

Further, the second matching body further comprises a third annular clamping groove formed between the first limiting portion and the second limiting portion, and the O-shaped ring is matched with the third annular clamping groove in shape and in interference fit.

Further, the second matching body also comprises a side wall, and the side wall is a connecting part between the first limiting part and the second limiting part;

the side wall and the second limiting part form an L-shaped structure.

Further, the cap further comprises a screw, and the shape of the second through hole is matched with that of the screw;

the shell further comprises a supporting column, the supporting column corresponds to the position of the second through hole, an internal thread matched with the stud of the screw is arranged on the supporting column, and the supporting column is in threaded connection with the screw.

Further, the cap also comprises a groove corresponding to the position of the second through hole and a cover plate matched with the groove in shape.

The sealing structure suitable for the special-shaped device provided by the embodiment of the application at least has the following beneficial effects:

according to the invention, the bulge part is arranged on the shell and matched with the first through hole of the cover body, and the wall body between the first through hole and the edge is thick, so that the shell can be effectively prevented from being deformed due to outward expansion; the L-shaped structure formed by the side wall and the second limiting part and the reinforcing ribs distributed radially on the cover body can further improve the deformation reducing capacity of the cover body; the connector quantity of bellying and first through-hole is more, and when external strength impacted, the dispersible external strength of a plurality of connectors reduces deformation and keeps stable the connection. This application can improve the ability that the special-shaped structure shape reduced deformation through above setting, and then solves the problem that the inefficacy was revealed easily to special-shaped structure shape side seal, simple structure, and convenient the dismantlement.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the preferred embodiment of the present application;

FIG. 2 is an exploded view of the preferred embodiment of the present application;

FIG. 3 is a cross-sectional view of a preferred embodiment of the present application;

FIG. 4 is a schematic view of the overall structure of the cover of the present application;

fig. 5 is a schematic view of another angle of the cover according to the present application.

Reference numerals in the figures

21. A housing 211, a boss 212, a post;

22. the cover body 221, the cap 2211, the first through hole 2212, the reinforcing rib 2213, the second through hole 2214, the screw 2215, the cover plate 2216, the groove 222, the second matching body 2221, the first limiting part 2222, the second limiting part 2223, the third annular clamping groove 2224 and the side wall;

23. an O-shaped ring.

Detailed Description

Hereinafter, the present application will be further described based on preferred embodiments with reference to the drawings.

In addition, various components on the drawings are enlarged (thick) or reduced (thin) for convenience of understanding, but this is not intended to limit the scope of the present application.

Singular references also include plural references and vice versa.

In the description of the embodiments of the present application, it should be noted that if the terms "upper", "lower", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings or the orientation or positional relationship which is usually arranged when the product of the application is used, the description is only for convenience of describing the application and simplifying the description, but the indication or suggestion that the referred device or element must have a specific orientation, be constructed in a specific orientation and be operated, and thus, the limitation of the application is not understood. Moreover, the terms first, second, etc. may be used in the description to distinguish between various elements, but these should not be limited by the order of manufacture or by importance to be understood as indicating or implying any particular importance, such as may be found in various claims.

The terminology used in the description is for the purpose of describing the embodiments of the application and is not intended to be limiting of the application. It is also to be understood that, unless otherwise expressly stated or limited, the terms "disposed," "connected," and "connected" are intended to be open-ended, i.e., may be fixedly connected, detachably connected, or integrally connected; they may be mechanically coupled, directly coupled, indirectly coupled through intervening media, or may be interconnected between two elements. Those skilled in the art will specifically understand what is specifically meant by the term "in the present application.

As shown in fig. 1 and 2, a sealing structure suitable for a profile device includes a housing 21, a cover 22 and an O-ring 23, wherein the cover 22 is detachably connected to the housing 21 in a sealing manner.

The housing 21 includes a protruding structure on the upper surface of the housing 21, and the cover 22 includes a fastening structure matching with the protruding structure, and the protruding structure and the fastening structure are matched in shape. Specifically, in the embodiment of the present application, the protruding structure includes a plurality of protruding portions 211 uniformly distributed, the protruding portions 211 and the housing 21 are integrally formed, the cover 22 includes the cap 221, the fastening structure includes a plurality of first through holes 2211 uniformly distributed through the cap 221, the first through holes 2211 are equal in number to the protruding portions 211, and correspond in position and adapt in shape, and the protruding portions 211 can penetrate through the first through holes 2211 and cooperate with the first through holes 2211. In addition, the wall between the first through hole 2211 and the edge of the cap 221 is thick, the structural strength is high, and the protrusion 211 can be effectively fixed in the first through hole 2211. In addition, the number of the connectors of the protrusion 211 and the first through hole 2211 is large, and when external force impacts, the external force can be dispersed by the connectors, so that deformation is reduced, and stable connection is maintained.

As shown in fig. 5, the cap 221 further includes a plurality of ribs 2212 located on the lower surface of the cap 221 and a second through hole 2213 penetrating through the cap 221, the plurality of ribs 2212 extend radially toward the second fitting body 222 with the second through hole 2213 as a starting point, the number of the ribs 222 is equal to the number of the first through holes 2211, and the end position of the rib 222 far from the second through hole 2213 corresponds to the position of the first through hole 2211, and the rib 222 can provide a supporting force to the second fitting body 222 from the inner side of the second fitting body 222 to resist deformation caused by external force impact. As shown in fig. 4, the cover body 22 further includes a second matching body 222 protruding from the lower surface of the cap 221, the second matching body 222 includes a first position-limiting portion 2221, a second position-limiting portion 2222, and a third annular groove 2223 formed between the first position-limiting portion 2221 and the second position-limiting portion 2222 and located on the outer side surface of the second matching body 222, the first position-limiting portion 2221 and the second position-limiting portion 2222 are two annular protrusions on the second matching body 222 and are in interference fit with the inner wall of the housing 21, the O-ring 23 and the third annular groove 2223 are in shape fit and interference fit, and the sealing connection between the cover body 22 and the housing 21 can be achieved. As shown in fig. 5, the second matching body 222 is located inside the first through hole 2211, after the first through hole 2211 is connected with the boss 211, the second matching body 222 can be located inside the connecting body where the boss 211 is connected with the first through hole 2211, and after the cover 22 is stably connected with the housing 21, the second matching body 222 is matched with the O-ring 23 and the inner wall of the housing 21, so as to form a sealed environment inside the housing 21.

As shown in fig. 3, the second mating body 222 further includes a side wall 2224, the side wall 2224 is a connecting portion between the first position-limiting portion 2221 and the second position-limiting portion 2222, and the side wall 2224 and the second position-limiting portion 2222 form an L-shaped structure, which can further enhance the stability of connection and improve the capability of the cover 2 to reduce deformation and maintain stable connection.

As shown in fig. 2 and 4, the cap 221 further includes a screw 2214, the second through hole 2213 matches the shape of the screw 2214, the housing further includes a support column 212, the support column 212 corresponds to the second through hole 2213 in position, the support column 212 is provided with an internal thread matching with the stud of the screw 2214, and the screw 2214 can penetrate through the second through hole 2213 and be clamped inside the second through hole 2213 and be screwed with the internal thread of the support column 212.

As shown in fig. 2, the cap 221 further includes a groove 2216 corresponding to the position of the second through hole 2213 and a cover 2215 matching the shape of the groove 2216, after the screw 2214 is screwed with the pillar 212, the cover 2215 can be placed in the groove 2216 to form a closed space inside the second through hole 2213.

In summary, the protruding portion of the casing 21 is engaged with the first through hole 2211 of the cover 22, and the wall between the edges of the first through

holes

2211 and 221 is thicker, so as to effectively prevent the casing 21 from being deformed due to outward expansion; the L-shaped structure formed by the side wall 2224 and the second position-limiting portion 2222 and the radially-distributed reinforcing ribs 222 of the cover 22 can further improve the deformation reduction capability of the cover 2; the connector quantity of bellying 211 and first through-hole 2211 is more, and when external strength strikes, the dispersible external strength of a plurality of connectors reduces deformation and keeps stable connection. Through the arrangement, the cover body 22 can still have higher deformation resistance even if made of engineering plastics. The interference fit between the O-ring 23 and the third annular groove 2223, and the interference fit between the first position-limiting portion 2221 and the second position-limiting portion 2222 and the inner wall of the housing 21 can create a good sealing environment inside the housing 21. This makes it possible to achieve reliability of side sealing between the case 21 and the lid 22. Moreover, compared with the traditional end face seal, the side face seal can meet the use requirement only by the screw 2214, fastening screws do not need to be added around the whole O-shaped ring 23, and the side face seal is compact in structure and simple to assemble.

While the present invention has been described in detail and with reference to specific embodiments thereof, it will be apparent to one skilled in the art that various changes and modifications can be made therein without departing from the spirit and scope thereof as defined in the appended claims.

Claims

1. The utility model provides a be suitable for seal structure of dysmorphism device which characterized in that:

the sealing device comprises a shell (21), a cover body (22) and an O-shaped ring (23), wherein the shell (21) is connected with the cover body (22) in a sealing and detachable mode;

the shell (21) comprises a raised structure positioned on the upper surface of the shell (21), the cover body (22) comprises a fastening structure matched with the raised structure, and the raised structure is matched with the fastening structure in shape;

the cover body (22) further comprises a third annular clamping groove (2223) located in the outer side wall of the cover body (22), and the third annular clamping groove (2223) is matched with the O-shaped ring (23) in shape and can be in sealing fit with the O-shaped ring.

2. A sealing structure suitable for a special-shaped device according to claim 1, wherein:

the convex structure comprises a plurality of convex parts (211) which are uniformly distributed;

the protruding part (211) and the shell (21) are integrally formed.

3. A sealing structure suitable for a special-shaped device according to claim 2, wherein:

the cover body (22) comprises a cover cap (221), the fastening structure comprises a plurality of first through holes (2211) which penetrate through the cover cap (221) and are evenly distributed, and the first through holes (2211) are equal in number, corresponding in position and adaptive in shape to the protrusions (211).

4. A sealing structure suitable for a special-shaped device according to claim 3, wherein:

the cover body (22) further comprises a second matching body (222) which is convexly arranged on the lower surface of the cover cap (221), and the second matching body (222) is positioned on the inner side of the first through hole (2211);

the cap (221) includes a plurality of ribs (2212) located on a lower surface of the cap (221) and a second through hole (2213) penetrating the cap (221), and the plurality of ribs (2212) radially extend toward the second fitting body (222) from the second through hole (2213).

5. A sealing structure suitable for a special-shaped device according to claim 4, characterized in that:

the number of the reinforcing ribs (2212) is equal to that of the first through holes (2211);

one end position of the reinforcing rib (2212) far away from the second through hole (2213) corresponds to the position of the first through hole (2211).

6. A sealing structure suitable for a special-shaped device according to claim 4, characterized in that:

the second matching body (222) comprises a first limiting part (2221) and a second limiting part (2222) which are positioned on the outer side face of the second matching body (222), and the first limiting part (2221) and the second limiting part (2222) are two annular protrusions on the second matching body (222) and are in interference fit with the inner wall of the shell (21).

7. A sealing structure suitable for a special-shaped device according to claim 6, characterized in that:

the second matching body (222) further comprises a third annular clamping groove (2223) formed between the first limiting part (2221) and the second limiting part (2222), and the O-shaped ring (23) and the third annular clamping groove (2223) are matched in shape and in interference fit.

8. A sealing structure suitable for a special-shaped device according to claim 7, characterized in that:

the second fitting body (222) further comprises a side wall (2224), and the side wall (2224) is a connecting part between the first limiting part (2221) and the second limiting part (2222);

the side wall (2224) and the second limiting part (2222) form an L-shaped structure.

9. A sealing structure suitable for a special-shaped device according to claim 4, characterized in that:

the cap (221) further comprises a screw (2214), the shape of the second through hole (2213) matches the screw (2214);

the shell (21) further comprises a support column (212), the support column (212) corresponds to the second through hole (2213) in position, an internal thread matched with a stud of the screw (2214) is arranged on the support column (212), and the support column (212) is in threaded connection with the screw (2214).

10. A sealing structure suitable for a special-shaped device according to claim 4, characterized in that:

the cap (221) further comprises a groove (2216) corresponding to the position of the second through hole (2213) and a cover sheet (2215) matched with the shape of the groove (2216).