CN210087995U - Graphite sealing mechanism for shaft end of engine - Google Patents
Graphite sealing mechanism for shaft end of engine Download PDFInfo
- Publication number
- CN210087995U CN210087995U CN201920952742.2U CN201920952742U CN210087995U CN 210087995 U CN210087995 U CN 210087995U CN 201920952742 U CN201920952742 U CN 201920952742U CN 210087995 U CN210087995 U CN 210087995U
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- spiral
- ring
- graphite
- shaft end
- sealing mechanism
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Abstract
The utility model relates to a graphite sealing technique field, more specifically the engine shaft end graphite sealing mechanism that says so, including the adapter sleeve, seal ring I and end cover, the adapter sleeve is through four bolt fixed connection on engine shaft end casing, seal ring I sets up between adapter sleeve and casing, the end cover is through four bolt and nut group and adapter sleeve fixed connection, this engine shaft end graphite sealing mechanism still includes the spacing lantern ring of accepting, seal ring II and graphite seal structure, graphite seal structure sets up at the spacing lantern ring of accepting between and the end cover, spacing lantern ring sliding connection of accepting is in the adapter sleeve, seal ring II sets up in the spacing connection space of accepting lantern ring and end cover, the spacing lantern ring of accepting, seal ring II and graphite seal structure all are located the adapter sleeve. A multi-stage sealing structure is adopted, and the core sealing structure is connected with the groove in a matched mode through the spiral protrusions, so that the sealing effect is greatly enhanced.
Description
Technical Field
The utility model relates to a graphite sealing technical field, more specifically the engine axle head graphite sealing mechanism that says so.
Background
The graphite self-sealing ring is formed by die pressing low-sulfur expanded graphite, has accurate size and definite density, and does not have any additional filler or adhesive. The purity of the graphite is more than 98 percent, and no anticorrosive treatment is needed. In general, the section of the packing ring is square, and can also be wedge-shaped or V-shaped, and the latter two are suitable for high-pressure parts. Graphite sealing is applied to engine shaft end sealing at present, but the existing sealing structure generally adopts single-stage sealing and has poor sealing effect.
Disclosure of Invention
The utility model aims at providing an engine axle head graphite sealing mechanism adopts multistage seal structure, and core seal structure adopts the cooperation of spiral protrusion and recess to be connected, strengthens sealed effect greatly.
The purpose of the utility model is realized through the following technical scheme:
the utility model provides an engine shaft end graphite sealing mechanism, including the adapter sleeve, seal ring I and end cover, the adapter sleeve is through four bolt fixed connection on engine shaft end casing, seal ring I sets up between adapter sleeve and casing, the end cover is through four bolt and nut group and adapter sleeve fixed connection, this engine shaft end graphite sealing mechanism still includes the spacing lantern ring of accepting, seal ring II and graphite seal structure, graphite seal structure sets up at the spacing between accepting lantern ring and end cover, spacing lantern ring sliding connection is in the adapter sleeve accepted, seal ring II sets up in the spacing space of being connected of accepting lantern ring and end cover, the spacing lantern ring of accepting, seal ring II and graphite seal structure all are located the adapter sleeve.
As this technical scheme's further optimization, the utility model relates to an engine axle head graphite sealing mechanism, graphite sealing structure includes spiral protruding packing ring I, joint washer II and spiral protruding packing ring II, and the both sides cooperation sliding connection of joint washer II has spiral protruding packing ring I and spiral protruding packing ring II, and I sliding connection of spiral protruding packing ring is in spacing bearing cover intra-annular, and II sliding connection of spiral protruding packing ring are in the end cover.
As this technical scheme's further optimization, the utility model relates to an engine shaft end graphite sealing mechanism, one side of spiral protruding packing ring I evenly is provided with a plurality of spiral protrusion I, and one side of spiral protruding packing ring II is provided with a plurality of spiral protrusion II equally, and the both sides of connecting packing ring II correspond spiral protrusion respectively and spiral protrusion II are provided with a plurality of recesses I and a plurality of recess II, and a plurality of recesses I are connected with I cooperation of a plurality of spiral protrusions respectively, and a plurality of recesses II are connected with II cooperations of a plurality of spiral protrusions respectively.
As this technical scheme's further optimization, the utility model relates to an engine shaft end graphite sealing mechanism, the front end of adapter sleeve is provided with the casing and connects the face, and the adapter sleeve is provided with the packing ring standing groove with connecting the face junction, and packing ring I is placed in the packing ring standing groove and closely laminates with engine shaft end casing surface, is provided with circumference on the connection face and evenly is provided with four bolt holes I, and four bolt bolts are connected in four bolt holes I through screw-thread fit respectively with casing fixed connection, and the rear end of adapter sleeve is provided with end cover connection face, and circumference evenly is provided with four bolt holes II on the end cover connection face.
As this technical scheme's further optimization, the utility model relates to an engine shaft end graphite sealing mechanism, fixedly connected with spacing ring and bolt hole III on the end cover, II sliding connection of spiral protruding packing ring are in the spacing ring, and four bolt holes III are organized through four bolt and nut and are connected with II cooperations of four bolt holes respectively.
As this technical scheme's further optimization, the utility model relates to an engine axle head graphite sealing mechanism, the spacing lantern ring of accepting is provided with the annular and accepts the end, and I sliding connection of spiral protruding packing ring is in the spacing lantern ring of accepting, and the laminating is accepted at the end with the annular to the plane end of spiral protruding packing ring I.
As the further optimization of this technical scheme, the utility model relates to an engine axle head graphite sealing mechanism, seal ring II sets up in the spacing connection space of accepting lantern ring and spacing ring.
As the further optimization of this technical scheme, the utility model relates to an engine axle head graphite sealing mechanism, seal ring I, seal ring II, spiral protruding packing ring I, joint washer II and spiral protruding packing ring II are the graphite material.
The utility model relates to an engine axle head graphite sealing mechanism's beneficial effect does:
this device has set up many places seal structure, including seal ring I, seal ring II, spiral protruding packing ring I, joint washer II and spiral protruding packing ring II, adopt multistage seal structure promptly, core seal structure is spiral protruding packing ring I, joint washer II and spiral protruding packing ring II constitute graphite seal structure, graphite seal structure adopts the protruding connected mode of cooperation with the recess of spiral, can strengthen sealed effect greatly, and the convenient dismantlement of device, each part of being convenient for change.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Fig. 1 is a schematic view of the overall structure of a graphite sealing mechanism at the end of an engine shaft according to the present invention;
fig. 2 is a schematic overall structural diagram of the present invention;
fig. 3 is an overall explosion diagram one of the present invention;
fig. 4 is an overall explosion diagram ii of the present invention;
fig. 5 is a partial structural diagram of the present invention;
FIG. 6 is a second overall partial structural view of the present invention;
FIG. 7 is a schematic structural view of the limiting receiving sleeve ring, the spiral convex washer I, the connecting washer II and the spiral convex washer II of the present invention;
fig. 8 is a schematic structural diagram of the connecting sleeve of the present invention;
fig. 9 is a schematic structural view of the connecting sleeve of the present invention;
fig. 10 is a schematic structural view of the end cap of the present invention;
FIG. 11 is a schematic view of the structure of the spacing receiving collar of the present invention;
fig. 12 is a schematic structural diagram of the connection washer ii, the spiral convex washer ii and the bolt and nut set of the present invention.
In the figure: a connecting sleeve 1; the shell is connected with the plate surface 1-1; a gasket placing groove 1-2; bolt holes I1-3; the end cover is connected with the plate surfaces 1-4; bolt holes II 1-5; a sealing washer I2; an end cap 3; 3-1 of a limiting ring; a bolt hole III 3-2; a spacing bearing lantern ring 4; an annular receiving base 4-1; a sealing washer II 5; a spiral convex gasket I6; a connecting gasket II 7; a spiral convex gasket II 8; a bolt and nut set 9; a bolt 10.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The first embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 12, and an engine shaft end graphite sealing mechanism includes a connecting sleeve 1, a sealing washer i 2 and an end cover 3, the connecting sleeve 1 is fixedly connected to an engine shaft end housing through four bolts 10, the sealing washer i is arranged between the connecting sleeve 1 and the housing, the end cover 3 is fixedly connected to the connecting sleeve 1 through four bolt-nut sets 9, the engine shaft end graphite sealing mechanism further includes a spacing bearing lantern ring 4, a sealing washer ii 5 and a graphite sealing structure, the graphite sealing structure is arranged between the spacing bearing lantern ring 4 and the end cover 3, the spacing bearing lantern ring 4 is slidably connected in the connecting sleeve 1, the sealing washer ii 5 is arranged in a connecting gap between the spacing bearing lantern ring 4 and the end cover 3, and the spacing bearing lantern ring 4, the sealing washer ii 5 and the graphite sealing structure.
This device has set up many places seal structure, including seal ring I2, seal ring II 5, spiral protruding packing ring I6, joint washer II 7 and spiral protruding packing ring II 8, adopt multistage seal structure promptly, the core seal structure is spiral protruding packing ring I6, joint washer II 7 and spiral protruding packing ring II 8 constitute graphite seal structure, graphite seal structure adopts the connected mode that the cooperation of spiral arch and recess is connected, can strengthen sealed effect greatly, and the device is convenient to dismantle, be convenient for change each part, the device is convenient for change all parts
The second embodiment is as follows:
the embodiment is described below with reference to fig. 1 to 12, and the embodiment further describes the first embodiment, the graphite sealing structure includes a spiral protrusion gasket i 6, a connecting gasket ii 7 and a spiral protrusion gasket ii 8, the spiral protrusion gasket i 6 and the spiral protrusion gasket ii 8 are slidably connected to both sides of the connecting gasket ii 7 in a matching manner, the spiral protrusion gasket i 6 is slidably connected in the position-limiting receiving lantern ring 4, and the spiral protrusion gasket ii 8 is slidably connected in the end cover 3.
The third concrete implementation mode:
the embodiment is described below with reference to fig. 1 to 12, and the embodiment will be further described, wherein one side of the spiral protrusion gasket i 6 is uniformly provided with a plurality of spiral protrusions i 6-1, one side of the spiral protrusion gasket ii 8 is also provided with a plurality of spiral protrusions ii 8-1, two sides of the connection gasket ii 7 are respectively provided with a plurality of grooves i 7-1 and a plurality of grooves ii 7-2 corresponding to the spiral protrusions 6-1 and the spiral protrusions ii 8-1, the plurality of grooves i 7-1 are respectively connected with the plurality of spiral protrusions i 6-1 in a matching manner, the plurality of grooves ii 7-2 are respectively connected with the plurality of spiral protrusions ii 8-1 in a matching manner, and the outward flow of the liquid at the shaft end of the engine can be effectively inhibited because the matching gap is a curved spiral shape, the sealing effect is enhanced.
The fourth concrete implementation mode:
this embodiment will be described with reference to fig. 1 to 12, which further illustrate the first embodiment, the front end of the connecting sleeve 1 is provided with a shell connecting plate surface 1-1, a gasket placing groove 1-2 is arranged at the joint of the connecting sleeve 1 and the connecting plate surface 1-1, a gasket I2 is placed in the gasket placing groove 1-2 and tightly attached to the surface of a shell at the shaft end of an engine to seal the connecting plate surface 1-1 and the surface of the shell, four bolt holes I1-3 are uniformly arranged on the connecting plate surface 1-1 in the circumferential direction, four bolt bolts 10 are respectively connected in the four bolt holes I1-3 in a threaded fit manner to be fixedly connected with the shell, disassembly is convenient, an end cover connecting plate surface 1-4 is arranged at the rear end of the connecting sleeve 1, and four bolt holes II 1-5 are uniformly arranged on the end cover connecting plate surface 1-4 in.
The fifth concrete implementation mode:
the following describes the present embodiment with reference to fig. 1 to 12, and the present embodiment further describes the first embodiment, a limiting ring 3-1 and bolt holes iii 3-2 are fixedly connected to the end cover 3, a spiral protrusion washer ii 8 is slidably connected in the limiting ring 3-1, and four bolt holes iii 3-2 are respectively connected with four bolt holes ii 1-5 through four bolt and nut sets 9 in a matching manner, so as to fixedly connect the end cover 3 and the connecting sleeve 1, and simultaneously compress the internal components to make them sufficiently fit.
The sixth specific implementation mode:
the embodiment is described below with reference to fig. 1 to 12, and the embodiment is further described, wherein the spacing bearing collar 4 is provided with an annular bearing bottom 4-1, a spiral protrusion gasket i 6 is slidably connected in the spacing bearing collar 4, and a planar end of the spiral protrusion gasket i 6 is attached to the annular bearing bottom 4-1.
The seventh embodiment:
the embodiment is described below with reference to fig. 1 to 12, and the embodiment further describes the first embodiment, the sealing washer ii 5 is disposed in the connection gap between the limit receiving lantern ring 4 and the limit ring 3-1, and the sealing washer ii 5 performs resealing on the sealing mechanism, so that the sealing reliability of the whole mechanism is ensured.
The specific implementation mode is eight:
the embodiment is described below with reference to fig. 1 to 12, and the embodiment is further described, wherein the sealing gasket i 2, the sealing gasket ii 5, the spiral protrusion gasket i 6, the connecting gasket ii 7 and the spiral protrusion gasket ii 8 are all made of graphite materials.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and the changes, modifications, additions or replacements made by those skilled in the art within the scope of the present invention also belong to the protection scope of the present invention.
Claims (8)
1. The utility model provides an engine shaft end graphite sealing mechanism, includes adapter sleeve (1), seal ring I (2) and end cover (3), and adapter sleeve (1) is through four bolt (10) fixed connection on engine shaft end casing, and seal ring I sets up between adapter sleeve (1) and casing, and end cover (3) are organized (9) and adapter sleeve (1) fixed connection, its characterized in that through four bolt and nut: this engine axle head graphite sealing mechanism still includes spacing lantern ring (4), seal ring II (5) and graphite seal structure of accepting, graphite seal structure sets up spacing between accepting lantern ring (4) and end cover (3), spacing lantern ring (4) sliding connection of accepting is in adapter sleeve (1), seal ring II (5) set up spacing in accepting the joint space of lantern ring (4) and end cover (3), spacing lantern ring (4), seal ring II (5) and graphite seal structure of accepting all are located adapter sleeve (1).
2. The engine shaft end graphite sealing mechanism of claim 1, wherein: graphite seal structure includes spiral protruding packing ring I (6), joint washer II (7) and spiral protruding packing ring II (8), and the both sides cooperation sliding connection of joint washer II (7) has spiral protruding packing ring I (6) and spiral protruding packing ring II (8), and spiral protruding packing ring I (6) sliding connection is in spacing accepting lantern ring (4), and spiral protruding packing ring II (8) sliding connection is in end cover (3).
3. The engine shaft end graphite sealing mechanism of claim 2, wherein: one side of spiral protrusion packing ring I (6) evenly is provided with a plurality of spiral protrusions I (6-1), one side of spiral protrusion packing ring II (8) is provided with a plurality of spiral protrusions II (8-1) equally, the both sides of connecting packing ring II (7) are provided with a plurality of recesses I (7-1) and a plurality of recesses II (7-2) corresponding spiral protrusion (6-1) and spiral protrusion II (8-1) respectively, a plurality of recesses I (7-1) are connected with a plurality of spiral protrusions I (6-1) respectively in a matching mode, and a plurality of recesses II (7-2) are connected with a plurality of spiral protrusions II (8-1) respectively in a matching mode.
4. The engine shaft end graphite sealing mechanism of claim 1, wherein: the front end of the connecting sleeve (1) is provided with a shell connecting plate surface (1-1), a gasket placing groove (1-2) is arranged at the joint of the connecting sleeve (1) and the connecting plate surface (1-1), a gasket I (2) is placed in the gasket placing groove (1-2) and is tightly attached to the surface of a shell at the shaft end of an engine, four bolt holes I (1-3) are uniformly arranged on the connecting plate surface (1-1) in the circumferential direction, four bolts (10) are respectively connected in the four bolt holes I (1-3) through thread matching and are fixedly connected with the shell, the rear end of the connecting sleeve (1) is provided with an end cover connecting plate surface (1-4), and four bolt holes II (1-5) are uniformly arranged on the end cover connecting plate surface (1-4) in.
5. The engine shaft end graphite sealing mechanism of claim 1, wherein: the end cover (3) is fixedly connected with a limiting ring (3-1) and is provided with bolt holes III (3-2), a spiral convex gasket II (8) is connected in the limiting ring (3-1) in a sliding mode, and the four bolt holes III (3-2) are respectively connected with the four bolt holes II (1-5) in a matched mode through four bolt and nut groups (9).
6. The engine shaft end graphite sealing mechanism of claim 1, wherein: the limiting bearing lantern ring (4) is provided with an annular bearing bottom (4-1), the spiral convex gasket I (6) is connected in the limiting bearing lantern ring (4) in a sliding mode, and the plane end of the spiral convex gasket I (6) is attached to the annular bearing bottom (4-1).
7. The engine shaft end graphite sealing mechanism of claim 1, wherein: and the sealing washer II (5) is arranged in a connecting gap between the limiting bearing lantern ring (4) and the limiting ring (3-1).
8. The engine shaft end graphite sealing mechanism of claim 1, wherein: and the sealing washer I (2), the sealing washer II (5), the spiral convex washer I (6), the connecting washer II (7) and the spiral convex washer II (8) are all made of graphite materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920952742.2U CN210087995U (en) | 2019-06-24 | 2019-06-24 | Graphite sealing mechanism for shaft end of engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920952742.2U CN210087995U (en) | 2019-06-24 | 2019-06-24 | Graphite sealing mechanism for shaft end of engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210087995U true CN210087995U (en) | 2020-02-18 |
Family
ID=69483891
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920952742.2U Expired - Fee Related CN210087995U (en) | 2019-06-24 | 2019-06-24 | Graphite sealing mechanism for shaft end of engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210087995U (en) |
-
2019
- 2019-06-24 CN CN201920952742.2U patent/CN210087995U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200218 Termination date: 20200624 |
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| CF01 | Termination of patent right due to non-payment of annual fee |