CN220792015U - Sealing structure and industrial gear box thereof - Google Patents

Abstract

The utility model relates to the technical field of sealing structures, and discloses a sealing structure and an industrial gear box thereof, wherein the sealing structure comprises two shells, a plurality of groups of bolts and a sealing gasket body, the surfaces of the shells are provided with through holes for adapting the bolts, the bolts penetrate through one of the shells to be fixedly connected with the other shell, the bolts also penetrate through the sealing gasket body, the sealing gasket body is positioned between the two shells and is fixedly connected with the shells, the sealing gasket body is rectangular, the two side wall surfaces of the sealing gasket body are symmetrically provided with a plurality of groups of sealing rings, the symmetrical sealing rings are mutually communicated, the inner wall surfaces of the shells are provided with limit openings for adapting the sealing rings, the sealing rings are embedded into the limit openings to be movably connected with the shells, the two side wall surfaces of the sealing gasket body are symmetrically provided with sealing assemblies, and the inner wall surfaces of the sealing gasket body are also provided with blocking guide structures; the sealing assembly comprises sealing clamping parts arranged at two sides of the sealing gasket body; the blocking guide structure includes a blocking guide member provided at an inner wall of the gasket body.

Description

Sealing structure and industrial gear box thereof

Technical Field

The utility model belongs to the technical field of sealing structures, and particularly relates to a sealing structure and an industrial gear box thereof.

Background

The gearbox is not fully sealed, the box body is provided with a port, then the end cover is used for sealing, and the sealing ring is arranged between the end cover and the box body for sealing, but in the use process, the sealing ring is easy to age and poor in elasticity, so that the resilience force is also poor, the sealing ring is difficult to be tightly attached to the box body and the end cover, the gap between the end cover and the box body is gradually increased, lubricating oil in the box body is easy to leak outwards, and the integral tightness of the gearbox is poor;

the sealing structure of the gear box is characterized in that sealing gaskets are only arranged between two gear box shells, the two shells are tightly attached by smearing rubber through the traditional sealing gaskets, in the use process, a gear rotating in the gear box can give pressure to lubricating oil, the pressure in the gear box is increased, the pressurized lubricating oil flows towards a gap of the gear box, the lubricating oil on the wall surface can be extruded due to the pressure, and overflows from the gap generated by the two shells, so that the sealing effect of the gear box is reduced.

The present utility model has been made in view of this.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:

the utility model provides a seal structure and industrial gear box thereof, includes two casings, multiunit bolt and sealed pad body, and the through-hole of adaptation bolt is seted up on the surface of casing, and the bolt passes one of them casing and another casing fixed connection, and the bolt still passes sealed pad body, and sealed pad body is located between two casings and with casing fixed connection, sealed pad body is the cuboid, and the both sides wall of sealed pad body all symmetry is provided with multiunit sealing washer, and symmetrical sealing washer communicates each other, and the spacing mouth of adaptation sealing washer has been seted up to the internal wall of casing, and spacing mouth is concentric with the through-hole, and sealing washer embedding spacing mouth and casing swing joint, and the both sides wall of sealed pad body all symmetry is provided with seal assembly, and the internal wall of sealed pad body still is provided with and blocks guide structure; the sealing assembly comprises sealing clamping parts arranged at two sides of the sealing gasket body; the blocking guide structure comprises a blocking guide part arranged on the inner wall of the sealing gasket body.

As a preferred embodiment of the utility model, the sealing clamping component is characterized in that a plurality of groups of first sealing strips are fixedly connected to two side wall surfaces of the sealing gasket body, the cross sections of the first sealing strips are triangular, the first sealing strips on the same side wall surface of the sealing gasket body are sequentially and fixedly connected end to end and are in a shape of a Chinese character 'kou', the first sealing strips are linearly arranged on the surface of the sealing gasket body, clamping grooves matched with the first sealing strips are formed in the wall surface of the shell, and the first sealing strips are embedded into the clamping grooves and are clamped with the clamping grooves.

As a preferred embodiment of the present utility model, the blocking guide structure is a plurality of groups of guide grooves formed on the inner side wall surface of the gasket body, the guide grooves are arc-shaped, the guide grooves are arranged in an annular array around the inner side wall surface of the gasket body, and the guide grooves are distributed at equal intervals on the inner side wall surface of the gasket body.

As a preferred embodiment of the utility model, the sealing and clamping component is characterized in that the bottom surface and the top surface of the sealing gasket body are fixedly connected with the same second sealing strips, the second sealing strips are corrugated, the second sealing strips are in annular array relative to the sealing gasket body, one ends of two adjacent second sealing strips are fixedly connected with the switching rings, the switching rings are arc-shaped, the switching rings are fixedly connected with the sealing gasket body, the wall surface of the shell is provided with clamping grooves matched with the second sealing strips and the switching rings, and the second sealing strips and the switching rings are embedded into the clamping grooves and are clamped with the clamping grooves.

As a preferred implementation mode of the utility model, the blocking guide structure comprises a plurality of groups of blocking strips and sealing plugs which are arranged on the inner side wall of the sealing gasket body, the blocking strips are fixedly connected with the sealing gasket body, the sealing plugs are positioned on the top surface of the blocking strips and are fixedly connected with the blocking strips, one ends of the sealing plugs are flush with the wall surface of the blocking strips, the other ends of the sealing plugs extend towards the direction of the second sealing strip, the side wall of the shell is provided with a connecting groove which is matched with the sealing plugs, and one ends of the sealing plugs are embedded into the connecting groove and are clamped with the connecting groove.

As a preferred embodiment of the utility model, an industrial gearbox comprises all the sealing structures described above.

Compared with the prior art, the utility model has the following beneficial effects:

1. the top surface and the bottom surface of the sealing gasket body are symmetrically and fixedly connected with first sealing strips, the first sealing strips are arranged at equal intervals towards the outer side of the sealing gasket body, the cross section of each first sealing strip is triangular, the wall surface of the joint of the shell and the sealing gasket body is provided with a clamping groove which is matched with the first sealing strips, the first sealing strips are embedded into the clamping grooves and can be tightly jointed with the clamping grooves, the clamping grooves of a plurality of groups of first sealing strips and the shell are mutually jointed, the shells on two sides of the sealing gasket body are better jointed, the gear rotation of the gear box can be avoided to drive the movement of the lubricating oil, the lubricating oil flows out along the gap of two closed gear boxes, the gear in the gear box is in short of lubricating oil and is worn, the working efficiency of the gear box is affected, multiple groups of guide grooves are formed in the inner wall of the sealing gasket body, the guide grooves are arc-shaped, the wall surfaces of the guide grooves are connected with the lubricating oil in the gear box, when the gear in the gear box rotates, the rotating gear can drive the lubricating oil in the gear box to move, the moving lubricating oil moves towards the guide grooves, the lubricating oil moving towards the guide grooves can be dispersed to the periphery along the arc lines of the guide grooves, the impact of the lubricating oil on the wall surfaces of the sealing gasket body is reduced, the lubricating oil exudation is caused, the sealing effect of the gear box is reduced, and the use cost of enterprises is increased.

2. The top surface and the bottom surface of the sealing gasket body are symmetrically and fixedly connected with the second sealing strips and the switching ring, every two second sealing strips are connected with each other through the switching ring, the second sealing strips are corrugated, the switching ring is arc-shaped, the wall surface of the shell body, which is contacted with the sealing gasket body, is provided with the clamping grooves for the second sealing strips and the switching ring, as the second sealing strips are corrugated, when the second sealing strips are clamped with the clamping grooves, the sealing performance of the two shells is increased, the friction area of the sealing gasket body and the shell body is increased, the friction force of the second sealing strips and the clamping grooves is increased, and therefore the sealing performance of the sealing gasket body and the shell body is increased, because the inner wall surface fixedly connected with of sealed pad body blocks the strip, block the strip and can cover the gap that two shells laminating formed, block the strip inseparable inner wall laminating with the casing, the spread groove of the sealed cock strip of adaptation has still been seted up to the inner wall of casing, sealed cock strip embedding spread groove and with the inseparable joint of spread groove, it is "C" to block strip and sealed cock strip to connect, avoid flowing lubricating oil along the wall infiltration of casing in the gap that two shells formed, lead to lubricating oil exudation, thereby influence the gear normal work in the gear box, also need the regular interpolation lubricating oil in the gear box of operating personnel simultaneously, the use cost of enterprise has been increased.

The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.

Drawings

In the drawings:

FIG. 1 is a schematic perspective view of a seal structure and an industrial gearbox thereof according to the present utility model;

FIG. 2 is an exploded view of the seal structure and the industrial gearbox of the present utility model;

FIG. 3 is a schematic perspective view of a seal structure according to the present utility model;

FIG. 4 is a schematic diagram of an embodiment of the present utility model

FIG. 5 is an enlarged view of a portion A of an embodiment of the present utility model

FIG. 6 is a schematic diagram of a second embodiment of the present utility model

Fig. 7 is an enlarged schematic diagram of a second embodiment of the present utility model.

In the figure: 10. a housing; 11. a bolt; 12. a limit opening; 13. a gasket body; 14. a seal ring; 15. a first closure strip; 16. a guide groove; 17. a second sealing strip; 18. a blocking strip; 19. a sealing plug; 20. an adapter ring.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model.

Embodiment one: 1-5, a sealing structure and an industrial gear box thereof are shown, the sealing structure comprises two shells 10, a plurality of groups of bolts 11 and a sealing gasket body 13, the surface of the shells 10 is provided with through holes for adapting the bolts 11, the bolts 11 penetrate through one of the shells 10 to be fixedly connected with the other shell 10, the bolts 11 also penetrate through the sealing gasket body 13, the sealing gasket body 13 is positioned between the two shells 10 and is fixedly connected with the shells 10, the sealing gasket body 13 is in a rectangular body, the two side wall surfaces of the sealing gasket body 13 are symmetrically provided with a plurality of groups of sealing rings 14, the symmetrical sealing rings 14 are mutually communicated, the inner wall surface of the shell 10 is provided with limit openings 12 for adapting the sealing rings 14, the limit openings 12 are concentric with the through holes, the sealing rings 14 are embedded into the limit openings 12 to be movably connected with the shells 10, the two side wall surfaces of the sealing gasket body 13 are symmetrically provided with sealing assemblies, and the inner wall surface of the sealing gasket body 13 is also provided with a blocking guide structure; the sealing assembly comprises sealing clamping parts arranged at two sides of the sealing gasket body 13; the blocking guide structure comprises blocking guide parts arranged on the inner wall of the sealing gasket body 13, the sealing clamping parts are fixedly connected with a plurality of groups of first sealing strips 15 on two side wall surfaces of the sealing gasket body 13, the cross sections of the first sealing strips 15 are triangular, the first sealing strips 15 on the same side wall surface of the sealing gasket body 13 are sequentially and fixedly connected in a head-to-tail mode and are in a shape of a mouth, the first sealing strips 15 are linearly arranged on the surface of the sealing gasket body 13, the wall surface of the shell 10 is provided with clamping grooves matched with the first sealing strips 15, the first sealing strips 15 are embedded into the clamping grooves and are clamped with the clamping grooves, the blocking guide structures are formed by a plurality of groups of guide grooves 16 arranged on the inner side wall surface of the sealing gasket body 13, the guide grooves 16 are arc-shaped, the guide grooves 16 are annularly arranged around the inner side wall surface of the sealing gasket body 13, and the guide grooves 16 are distributed on the inner side wall surface of the sealing gasket body 13 at equal intervals.

Specifically, the top surface and the bottom surface at the sealed body 13 of filling up are all symmetrical fixed connection first closure strip 15, first closure strip 15 is towards the outside equidistant array of sealed body 13 of filling up, the transversal triangle-shaped that personally submits of first closure strip 15, the draw-in groove of adaptation first closure strip 15 is seted up to the wall of casing 10 and sealed body 13 junction, first closure strip 15 embedding draw-in groove and can closely laminate with the draw-in groove, through setting up the mutual laminating of the draw-in groove of multiunit first closure strip 15 and casing 10, make the better laminating of casing 10 of sealed body 13 both sides, avoid the gear rotation that the gear box can drive the lubricating oil motion, the lubricating oil flows out along the gap of two closed gear boxes, lead to the gear in the gear box to take place the wearing and tearing of gear, influence the work efficiency of gear box, be provided with multiunit guiding groove 16 in the inner wall of sealed body 13, the wall of guiding groove 16 is the arc, when the gear work in the gear box rotates, the lubricating oil motion in the gear box can drive the gear box, the lubricating oil motion, the lubricating oil in the guiding groove 16 orientation, the lubricating oil motion, the lubricating oil along the guiding groove 16 direction motion, the dispersing the lubricating oil along the guiding groove 16 motion, the sealing body is reduced, the cost is reduced, the impact on the sealing body is used, the sealing wall is taken to the side, the impact is reduced, the impact is made to the wall is directly the enterprise along the sealing face, and the wall is used to the lubricating oil.

Embodiment two: the sealing structure comprises two shells 10, a plurality of groups of bolts 11 and a sealing gasket body 13, wherein through holes for adapting to the bolts 11 are formed in the surfaces of the shells 10, the bolts 11 penetrate through one of the shells 10 to be fixedly connected with the other shell 10, the bolts 11 also penetrate through the sealing gasket body 13, the sealing gasket body 13 is positioned between the two shells 10 and is fixedly connected with the shells 10, the sealing gasket body 13 is rectangular, a plurality of groups of sealing rings 14 are symmetrically arranged on the two side wall surfaces of the sealing gasket body 13, the symmetrical sealing rings 14 are mutually communicated, limit openings 12 for adapting to the sealing rings 14 are formed in the inner wall surfaces of the shells 10, the limit openings 12 are concentric with the through holes, the sealing rings 14 are embedded into the limit openings 12 to be movably connected with the shells 10, sealing assemblies are symmetrically arranged on the two side wall surfaces of the sealing gasket body 13, and a blocking guide structure is also arranged on the inner wall surface of the sealing gasket body 13; the sealing assembly comprises sealing clamping parts arranged at two sides of the sealing gasket body 13; the blocking guide structure comprises blocking guide components arranged on the inner wall of the sealing gasket body 13, the sealing clamping components are fixedly connected with the same second sealing strips 17 on the bottom surface and the top surface of the sealing gasket body 13, the second sealing strips 17 are corrugated, the second sealing strips 17 are annularly arrayed relative to the sealing gasket body 13, one ends of two adjacent second sealing strips 17 are fixedly connected with an adapter ring 20, the adapter ring 20 is arc-shaped, the adapter ring 20 is fixedly connected with the sealing gasket body 13, the wall surface of the shell 10 is provided with clamping grooves matched with the second sealing strips 17 and the adapter ring 20, the second sealing strips 17 and the adapter ring 20 are embedded into the clamping grooves and the clamping grooves, the blocking guide structure is formed by a plurality of groups of blocking strips 18 and sealing plug strips 19 on the inner side wall of the sealing gasket body 13, the blocking strips 18 are fixedly connected with the sealing gasket body 13, the sealing plug strips 19 are located on the top surface of the blocking strips 18 and fixedly connected with the blocking strips 18, one ends of the sealing plug strips 19 extend towards the direction of the second sealing gasket body 13, the other ends of the sealing plug strips 19 are flush with the wall surface of the second sealing plug strips 17, the connecting grooves are embedded into the connecting grooves of the sealing plug strips 19, and the connecting grooves are embedded into the connecting grooves of the sealing plug strips 19.

Specifically, the top surface and the bottom surface of the gasket body 13 are symmetrically and fixedly connected with the second sealing strips 17 and the adapter ring 20, every two second sealing strips 17 are connected with each other through the adapter ring 20, the second sealing strips 17 are corrugated, the adapter ring 20 is arc-shaped, the wall surface of the shell 10, which is in contact with the gasket body 13, is provided with the clamping grooves for the second sealing strips 17 and the adapter ring 20, and when the second sealing strips 17 are corrugated, the sealing performance of the two shells 10 is increased, the friction area of the gasket body 13 and the shell 10 is increased, the friction force between the second sealing strips 17 and the clamping grooves is increased, so that the sealing performance of the gasket body 13 and the shell 10 is increased, because the inner wall surface fixedly connected with of sealed pad body 13 blocks strip 18, block strip 18 can cover the gap that two shells 10 laminating formed, block strip 18 inseparable and the inner wall laminating of shell 10, the spread groove of adaptation sealing plug 19 has still been seted up to the inner wall of shell 10, sealing plug 19 imbeds the spread groove and with the inseparable joint of spread groove, block strip 18 and sealing plug 19 are connected and are "C" in the gap that forms of two shells 10 is permeated along the wall surface of shell 10 to the lubricating oil that avoids flowing, lead to lubricating oil exudation, thereby influence the gear normal work in the gear box, also need the regular interpolation lubricating oil to the gear box of operating personnel in the while, the use cost of enterprise has been increased.

An industrial gear box, not shown in the figure, comprising all industrial gear boxes in the above technical solution, which is well known in the prior art and not described herein in detail, wherein the industrial gear box comprises a box body, an input shaft, a first intermediate shaft, a second intermediate shaft and an output shaft; four pairs of bearing holes are formed in the box body, and the input shaft, the first intermediate shaft, the second intermediate shaft and the output shaft are supported in the box body through bearings arranged in the bearing holes; the input shaft is a gear shaft and is provided with a first helical tooth structure; the first intermediate shaft is a gear shaft and is provided with a second helical tooth structure, and a first helical gear meshed with the first helical tooth structure is further arranged; the second intermediate shaft is a gear shaft and is provided with a third helical gear structure, and a second helical gear meshed with the second helical gear structure is further arranged; the output shaft is provided with a third bevel gear meshed with the third bevel gear structure; the tooth widths of the three helical tooth structures and the helical teeth on the three helical gears are gradually reduced from the middle to the two sides,

it will be understood that the utility model has been described in terms of several embodiments, and that various changes and equivalents may be made to these features and embodiments by those skilled in the art without departing from the spirit and scope of the utility model. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the utility model without departing from the essential scope thereof. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. The utility model provides a seal structure, includes two casings (10), multiunit bolt (11) and sealed pad body (13), the through-hole of adaptation bolt (11) is seted up on the surface of casing (10), bolt (11) pass one of them casing (10) and another casing (10) fixed connection, bolt (11) still pass sealed pad body (13), sealed pad body (13) are located between two casings (10) and with casing (10) fixed connection, characterized in that sealed pad body (13) are the cuboid, the both sides wall of sealed pad body (13) all symmetrically are provided with multiunit sealing washer (14), symmetrical sealing washer (14) communicate each other, spacing mouth (12) of adaptation sealing washer (14) are seted up to the internal face of casing (10), spacing mouth (12) are concentric with the through-hole, sealing washer (14) are embedded into spacing mouth (12) and casing (10) swing joint, sealed pad body (13) both sides wall all symmetry is provided with seal assembly, sealed pad body (13)'s internal wall still is provided with and stops guide structure;

the sealing assembly comprises sealing clamping parts arranged at two sides of the sealing gasket body (13);

the blocking guide structure comprises a blocking guide part arranged on the inner wall of the sealing gasket body (13).

2. The sealing structure according to claim 1, wherein the sealing and clamping component is a plurality of groups of first sealing strips (15) fixedly connected to two side wall surfaces of the sealing gasket body (13), the cross sections of the first sealing strips (15) are triangular, the first sealing strips (15) of the same side wall surface of the sealing gasket body (13) are fixedly connected end to end in sequence and are shaped like a Chinese character kou, the surfaces of the first sealing strips (15) relative to the sealing gasket body (13) are linearly arranged in rows, clamping grooves matched with the first sealing strips (15) are formed in the wall surface of the shell (10), and the first sealing strips (15) are embedded into the clamping grooves and are clamped with the clamping grooves.

3. The sealing structure according to claim 1, wherein the blocking guide structure is a plurality of groups of guide grooves (16) formed on the inner side wall surface of the sealing gasket body (13), the guide grooves (16) are arc-shaped, the guide grooves (16) are annularly arranged around the inner side wall surface of the sealing gasket body (13), and the guide grooves (16) are distributed on the inner side wall surface of the sealing gasket body (13) at equal intervals.

4. The sealing structure according to claim 1, wherein the sealing and clamping component is a second sealing strip (17) which is the same and fixedly connected to the bottom surface and the top surface of the sealing gasket body (13), the second sealing strip (17) is corrugated, the second sealing strip (17) is annular with respect to the sealing gasket body (13), one end of each two adjacent second sealing strips (17) is fixedly connected with a transfer ring (20), the transfer rings (20) are arc-shaped, the transfer rings (20) are fixedly connected with the sealing gasket body (13), clamping grooves matched with the second sealing strip (17) and the transfer rings (20) are formed in the wall surface of the shell (10), and the second sealing strip (17) and the transfer rings (20) are embedded into the clamping grooves and clamped with the clamping grooves.

5. The sealing structure according to claim 1, wherein the blocking guide structure is a plurality of groups of blocking strips (18) and sealing plugs (19) which are arranged on the inner side wall of the sealing gasket body (13), the blocking strips (18) are fixedly connected with the sealing gasket body (13), the sealing plugs (19) are positioned on the top surface of the blocking strips (18) and are fixedly connected with the blocking strips (18), one ends of the sealing plugs (19) are flush with the wall surface of the blocking strips (18), the other ends of the sealing plugs (19) extend towards the direction of the second sealing strips (17), connecting grooves which are matched with the sealing plugs (19) are formed in the side wall of the shell (10), and one ends of the sealing plugs (19) are embedded into the connecting grooves and are clamped with the connecting grooves.

6. An industrial gearbox comprising a sealing arrangement according to any one of claims 1-5.