CN212775477U

CN212775477U - Asbestos-free gasket leakage-proof structure used in gear box

Info

Publication number: CN212775477U
Application number: CN202021119997.XU
Authority: CN
Inventors: 黄平; 刘琴
Original assignee: Shanghai Heluge Precision Rubber Co ltd
Current assignee: Shanghai Heluge Precision Rubber Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2021-03-23
Anticipated expiration: 2030-06-16

Abstract

The utility model provides a no asbestos gasket prevents revealing structure for in the gear box belongs to no asbestos rubber slab field. The non-asbestos gasket anti-leakage structure for the gear box comprises a non-asbestos gasket, a sealing ring and an elastic bulge. The lower surface of the asbestos-free gasket is provided with a silicon rubber sealing coating; the sealing ring is attached to the upper surface of the asbestos-free gasket; the elastic bulge is arranged on the upper surface of the asbestos-free gasket; silicone rubber sealing coating cooperation sealing washer realizes two-sided and gear box terminal surface laminating, plays the sealing connection effect, and the elasticity arch plays the elasticity conflict, through elasticity conflict gear box terminal surface for no asbestos gasket lower surface closely laminates with the gear box surface, reduces the possibility of revealing, solves the problem that gear box machine oil leaked, can prolong the lubricated life-span of gear oil again, can reduce cost.

Description

Asbestos-free gasket leakage-proof structure used in gear box

Technical Field

The utility model relates to a no asbestos rubber board field particularly, relates to a no asbestos gasket prevents revealing structure for in the gear box.

Background

At present, asbestos-free rubber plates gradually replace asbestos rubber plates, and gaskets made of asbestos-free plates are widely applied in various industries;

the asbestos-free plate is used for a long time, so that the gasket loses the original resilience and toughness, the leakage condition of the joint is caused, the asbestos-free rubber plate needs to be replaced, and meanwhile, the use cost of the engine oil is increased due to the leakage of the engine oil.

SUMMERY OF THE UTILITY MODEL

In order to compensate above not enough, the utility model provides a no asbestos gasket prevents revealing structure for in the gear box aims at improving the poor problem of no asbestos panel sealing effect.

The utility model discloses a realize like this:

the utility model provides a pair of a structure is prevented revealing by no asbestos gasket for in the gear box, including no asbestos gasket, sealing washer and elastic bulge.

The lower surface of the asbestos-free gasket is provided with a silicon rubber sealing coating; the sealing ring is attached to the upper surface of the asbestos-free gasket; the elastic bulge is arranged on the upper surface of the asbestos-free gasket.

The utility model discloses an in the embodiment, the bolt hole has been seted up on no asbestos gasket surface, the bolt hole is provided with a plurality ofly.

In an embodiment of the present invention, the silicone rubber seal coating surface is printed by a screen printing process to form a silicone rubber seal line, and the silicone rubber seal line is a staggered seal line.

In an embodiment of the present invention, the sealing ring is disposed at an inner edge of the asbestos-free gasket, and the elastic protrusion is disposed at an outer edge of the asbestos-free gasket.

The utility model discloses an in an embodiment, the holding tank has been seted up to no asbestos gasket upper surface, the holding tank annular sets up, the sealing washer is fixed in the holding tank.

The utility model discloses an in one embodiment, the sealing washer both sides with leave the holding gap between the holding tank lateral wall, the sealing washer up end stretches out the holding tank upper end.

In an embodiment of the present invention, the elastic protrusion includes an elastic sheet and a sealing pad, the elastic sheet is connected to the surface of the asbestos-free gasket, and the sealing pad covers the surface of the elastic sheet.

In an embodiment of the present invention, the sealing pad is annularly disposed on the surface of the asbestos-free gasket, the elastic sheet is an elastic steel bar, and the sealing pad is an NBR nitrile rubber gasket.

In an embodiment of the present invention, the upper surface of the asbestos-free gasket has a circular groove, one end of the elastic sheet is fixed in the circular groove, and the other end of the elastic sheet is attached to the inner wall of the gasket.

In an embodiment of the utility model, the ring channel bottom is fixed with the steel sheet, the elastic sheet upper end stretches out the ring channel, sealed pad both sides with the ring channel upper end mouth is connected.

The utility model has the advantages that: the utility model discloses a structure is prevented revealing by a no asbestos gasket for in gear box that above-mentioned design obtained, during the use, silicon rubber seal coating cooperation sealing washer realizes two-sided and gear box terminal surface laminating, plays the sealing connection effect, and elastic bulge plays elasticity conflict, through elasticity conflict gear box terminal surface for no asbestos gasket lower surface closely laminates with the gear box surface, reduces the possibility of revealing, solves the problem that gear box machine oil leaked, can prolong the lubricated life-span of gear oil again, can reduce cost.

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 a schematic front structural view of a non-asbestos gasket according to an embodiment of the present invention;

fig. 2 is a schematic view of a back structure of a non-asbestos gasket according to an embodiment of the present invention;

fig. 3 is a schematic side view and a sectional structure according to an embodiment of the present invention;

fig. 4 is a schematic structural diagram of a position a in fig. 3 according to an embodiment of the present invention.

In the figure: 100-asbestos free gaskets; 110-silicone rubber seal coat; 130-accommodating grooves; 150-bolt hole; 170-ring groove; 171-steel sheet; 300-sealing ring; 500-elastic protrusions; 510-an elastic sheet; 530-sealing gasket.

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 utility model provides a. Embodiments, all other embodiments obtained by a person skilled in the art without any inventive step are within the 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.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", 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 to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Examples

Referring to fig. 1, the present invention provides a technical solution: a non-asbestos gasket anti-leakage structure for use in a gearbox includes a non-asbestos gasket 100, a seal ring 300, and an elastic protrusion 500.

Wherein, no asbestos gasket 100 surface adds sealing washer 300 and improves sealed effect, and elastic bulge 500 plays the elasticity and contradicts for no asbestos gasket 100 surface and gear box surface closely laminate, reduce the possibility of revealing.

Referring to fig. 2, the lower surface of the asbestos-free gasket 100 is provided with a silicone rubber sealing coating 110, the surface of the asbestos-free gasket 100 is provided with a plurality of bolt holes 150, and the plurality of bolt holes 150 are used for installing a gearbox and penetrating through bolts;

in the present embodiment, the surface of the silicone rubber seal coating 110 is printed by a screen printing process to form silicone rubber seal lines, which are staggered seal lines; in addition to having the original advantages of the conventional asbestos-free gasket sheet, the higher the roughness grade of the surface of the silicone rubber seal coating 110 is, the better the sealing effect after contact is, due to the addition of the silicone rubber seal line.

Referring to fig. 3, the sealing ring 300 is attached to the upper surface of the asbestos-free gasket 100, the upper surface of the asbestos-free gasket 100 is provided with an accommodating groove 130, the accommodating groove 130 is annularly disposed, and the sealing ring 300 is fixed in the accommodating groove 130;

it should be noted that, an accommodating gap is left between the two sides of the sealing ring 300 and the side wall of the accommodating groove 130, and the upper end surface of the sealing ring 300 extends out of the upper end of the accommodating groove 130.

In this embodiment, the sealing ring 300 is disposed at the inner edge of the asbestos-free gasket 100, and the elastic protrusion 500 is disposed at the outer edge of the asbestos-free gasket 100.

Referring to fig. 4, the elastic protrusions 500 are disposed on the upper surface of the asbestos-free gasket 100; the elastic protrusion 500 includes an elastic sheet 510 and a sealing pad 530, the elastic sheet 510 is connected to the surface of the asbestos-free gasket 100, the sealing pad 530 covers the surface of the elastic sheet 510, the sealing pad 530 is annularly disposed on the surface of the asbestos-free gasket 100, the elastic sheet 510 is an elastic steel strip, and the sealing pad 530 is an NBR nitrile rubber gasket.

It should be noted that the upper surface of the asbestos-free gasket 100 is provided with an annular groove 170, one end of the elastic sheet 510 is fixed in the annular groove 170, and the other end of the elastic sheet 510 is attached to the inner wall of the sealing gasket 530.

In this embodiment, the steel sheet 171 is fixed at the bottom of the annular groove 170, and the steel sheet 171 is added to enhance the strength of the asbestos-free gasket 100, so as to enhance the strength of the gasket; the upper end of the elastic sheet 510 extends out of the annular groove 170, and the two sides of the sealing gasket 530 are connected with the upper port of the annular groove 170.

The working principle of the asbestos-free gasket anti-leakage structure used in the gear box is as follows: during the use, silicon rubber seal coating 110 cooperates sealing washer 300, realizes two-sided and gear box terminal surface laminating, plays the sealing connection effect, and elastic bulge 500 plays the elasticity and contradicts, through elasticity conflict gear box terminal surface for no asbestos gasket 100 lower surface closely laminates with the gear box surface, reduces the possibility of revealing, solves the problem that gear box machine oil leaked, can prolong the lubricated life-span of gear oil again, can reduce cost.

It should be noted that the specific model specification of the asbestos-free gasket 100 needs to be determined by type selection according to the actual specification of the device, and the specific type selection calculation method adopts the prior art in the field, so detailed description is omitted.

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

1. A non-asbestos gasket anti-leakage structure for use in a gearbox, comprising

The asbestos-free gasket (100), wherein the lower surface of the asbestos-free gasket (100) is provided with a silicon rubber sealing coating (110);

a seal ring (300), the seal ring (300) being attached to the upper surface of the asbestos-free gasket (100);

an elastic protrusion (500), the elastic protrusion (500) being disposed on an upper surface of the asbestos-free gasket (100).

2. The asbestos-free gasket anti-leakage structure for use in gearbox according to claim 1, wherein the asbestos-free gasket (100) has a bolt hole (150) opened on its surface, and the bolt hole (150) is provided in plurality.

3. The asbestos-free gasket anti-leakage structure for use in gearbox according to claim 1, wherein the surface of the silicone rubber sealing coating (110) is printed with a screen printing process to form silicone rubber sealing lines, and the silicone rubber sealing lines are staggered sealing lines.

4. The asbestos-free gasket anti-leakage structure for use in gearbox according to claim 1, wherein the sealing ring (300) is arranged at inner edge of the asbestos-free gasket (100), and the elastic protrusion (500) is arranged at outer edge of the asbestos-free gasket (100).

5. The asbestos-free gasket anti-leakage structure for use in the gearbox according to claim 1, wherein the asbestos-free gasket (100) has a receiving groove (130) formed on an upper surface thereof, the receiving groove (130) is annularly disposed, and the sealing ring (300) is fixed in the receiving groove (130).

6. The asbestos-free gasket anti-leakage structure for use in gearbox according to claim 5, wherein there is a receiving gap between the two sides of the sealing ring (300) and the side wall of the receiving groove (130), and the upper end face of the sealing ring (300) is protruded out of the upper end of the receiving groove (130).

7. The asbestos-free gasket anti-leakage structure for use in gearbox according to claim 1, wherein the elastic protrusion (500) comprises an elastic sheet (510) and a sealing gasket (530), the elastic sheet (510) is connected with the surface of the asbestos-free gasket (100), and the sealing gasket (530) covers the surface of the elastic sheet (510).

8. The asbestos-free gasket anti-leakage structure for use in gearbox according to claim 7, wherein the sealing gasket (530) is annularly disposed on the surface of the asbestos-free gasket (100), the elastic sheet (510) is an elastic steel strip, and the sealing gasket (530) is NBR nitrile rubber gasket.

9. The asbestos-free gasket anti-leakage structure for the gearbox as claimed in claim 8, wherein the asbestos-free gasket (100) has an annular groove (170) formed in its upper surface, one end of the elastic sheet (510) is fixed in the annular groove (170), and the other end of the elastic sheet (510) is attached to the inner wall of the sealing gasket (530).

10. The asbestos-free gasket anti-leakage structure for use in gearbox according to claim 9, wherein steel plate (171) is fixed at the bottom of the annular groove (170), the upper end of the elastic plate (510) extends out of the annular groove (170), and both sides of the sealing pad (530) are connected with the upper port of the annular groove (170).