CN215891108U - Transmission shaft sealing device for diesel generating set - Google Patents
Transmission shaft sealing device for diesel generating set Download PDFInfo
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- CN215891108U CN215891108U CN202120198030.3U CN202120198030U CN215891108U CN 215891108 U CN215891108 U CN 215891108U CN 202120198030 U CN202120198030 U CN 202120198030U CN 215891108 U CN215891108 U CN 215891108U
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Abstract
The utility model relates to the technical field of a transmission shaft sealing device of a diesel generating set, in particular to a transmission shaft sealing device for the diesel generating set, wherein one end of a shell is provided with an internal groove, the connection between a transmission shaft and the shell can be tighter through the arrangement of an internal sealing gasket and an external sealing gasket, and meanwhile, the friction between the internal sealing gasket and the transmission shaft can be reduced due to the special relation between the internal sealing gasket and an internal rotary drum 8, so that at least one sealing guarantee is favorably ensured between the transmission shaft and the shell; through the setting to overall structure, can be so that the laminating of outer sealing pad and transmission shaft is inseparabler, can be simultaneously sealed the changing of filling up with the outer sealing pad under the effect of sealed lid, be favorable to in time changing the sealed pad of wearing and tearing like this to bring the facility of working for the staff.
Description
Technical Field
The utility model relates to the technical field of a transmission shaft sealing device of a diesel generating set, in particular to a transmission shaft sealing device for the diesel generating set.
Background
The diesel generator is a small-sized power generation equipment, and is a power machine using diesel oil as fuel, and using diesel engine as prime mover to drive generator to generate power, and its complete set of machine set is formed from diesel engine, generator, control box, fuel tank, starting and controlling accumulator jar, protection device and emergency cabinet, etc. it can be used for daily power generation and emergency power generation of various families, offices and large, medium and small enterprises, and the driving shaft for driving diesel engine is a driving shaft, and the general driving shaft is passed through the shell of engine, so that the tightness of driving shaft can be good or bad, and the service life of diesel engine and its internal components can not be corroded by water.
The sealed general use of transmission shaft under prior art is sealed the pad, and only lean on sealed the pad can let the sealed effect of transmission shaft not reach the optimum state, because sealed pad takes place wearing and tearing easily under long-time use, and sealed pad under the wearing and tearing state produces the clearance easily between with the transmission shaft, and then lead to moisture to get into diesel generator's inside and cause the damage to the inside part of generator, further can let diesel generator can't carry out normal work, consequently can influence the process of generator work, still can improve the cost of maintenance diesel generator simultaneously.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a transmission shaft sealing device for a diesel generating set, which aims to solve the problems in the background technology.
In order to achieve the purpose, the utility model provides the following technical scheme: a transmission shaft sealing device for a diesel generating set, wherein one end of a casing is provided with an internal groove, the outer side of one end of the casing penetrates through the internal groove and is provided with an external through groove, the two sides of one end of the internal groove penetrate through the external through groove and are provided with internal clamping grooves, a transmission shaft is placed in the internal groove, a built-in cylinder is placed in the internal groove, clamping blocks which are integrally formed are symmetrically arranged at the two sides of one end of the built-in cylinder, the inner end of the built-in cylinder is provided with an internal rotating cylinder connected by a rotating shaft, the inner side of the internal rotating cylinder is provided with an internal sealing gasket connected by glue, an operation circular plate is placed in the external through groove, the upper end of the operation circular plate is provided with a supporting groove, the inner end of the operation circular plate penetrates through the supporting groove and is provided with a square sliding groove, an elastic supporting strip is placed in the square sliding groove, one end of the elastic supporting strip is provided with an attaching plate which is welded, one end of the attaching plate is provided with an extruding cylinder which is welded, and an outer sealing gasket is arranged in the extrusion cylinder, and a sealing cover connected with a screw is arranged on the middle side of one end of the machine shell.
Preferably, the depth of the external through groove is greater than the internal depth of the internal groove, and the internal diameter of the external through groove is greater than the maximum distance between the clamping blocks.
Preferably, the shape that screens piece setting is "L" shape, and the surface of the outer end of screens piece and the surface of built-in cylinder are on the same horizontal plane.
Preferably, the inner sealing gasket and the outer sealing gasket are sleeved on the transmission shaft, and the outer end surfaces of the inner sealing gasket and the inner rotary drum are lower than the outer end surface of the built-in cylinder.
Preferably, the groove depth of the supporting groove should not exceed one half of the width of the operating circular plate, and the length of one end of the elastic supporting strip inside the operating circular plate is consistent with the length of the supporting groove.
Compared with the prior art, the utility model has the beneficial effects that:
1. the connection between the transmission shaft and the casing can be tighter by arranging the inner sealing gasket and the outer sealing gasket, and meanwhile, the friction between the inner sealing gasket and the transmission shaft can be reduced due to the special relation between the inner sealing gasket and the inner rotary drum 8, so that at least one sealing guarantee is favorably ensured between the transmission shaft and the casing;
2. through the setting to overall structure, can be so that the laminating of outer sealing pad and transmission shaft is inseparabler, can be simultaneously sealed the changing of filling up with the outer sealing pad under the effect of sealed lid, be favorable to in time changing the sealed pad of wearing and tearing like this to bring the facility of working for the staff.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic half-sectional perspective view of the housing of the present invention;
FIG. 3 is a perspective view of the internal cylinder of the present invention;
FIG. 4 is a schematic perspective view of a half-section of an operating circular plate according to the present invention.
In the figure: the device comprises a machine shell 1, an internal groove 2, an external through groove 3, an internal clamping groove 4, a transmission shaft 5, an internal cylinder 6, a clamping block 7, an internal rotary drum 8, an internal sealing gasket 9, an operation circular plate 10, a supporting groove 11, a square sliding groove 12, an elastic supporting strip 13, a jointing plate 14, an extrusion cylinder 15, an external sealing gasket 16 and a sealing cover 17.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: one end of a machine shell 1 is provided with an internal groove 2, the outer side of one end of the machine shell 1 penetrates through the internal groove 2 and is provided with an external through groove 3, the groove depth of the external through groove 3 is larger than the internal depth of the internal groove 2, the internal diameter of the external through groove 3 is larger than the maximum distance between clamping blocks 7, two sides of one end of the internal groove 2 penetrate through the external through groove 3 and are provided with internal clamping grooves 4, a transmission shaft 5 is placed in the internal groove 2, a built-in cylinder 6 is placed in the internal groove 2, two sides of one end of the built-in cylinder 6 are symmetrically provided with integrally-formed clamping blocks 7, the clamping blocks 7 are arranged in an L shape, the outer end surfaces of the clamping blocks 7 and the surface of the built-in cylinder 6 are on the same horizontal plane, the inner end of the built-in cylinder 6 is provided with an internal rotary drum 8 connected by a rotary shaft, the inner side of the internal rotary drum 8 is provided with an internal sealing gasket 9 connected by glue, the internal sealing gasket 9 and an external sealing gasket 16 are both sleeved on the transmission shaft 5, and the outer end surfaces of the internal rotary drum 8 are lower than the surface of the internal sealing gasket 9 and the internal rotary drum 6, an operation circular plate 10 is placed inside the external through groove 3, the operation circular plate 10 is welded with the built-in cylinder 6, a support groove 11 is formed in the upper end of the operation circular plate 10, the groove depth of the support groove 11 does not exceed one half of the width of the operation circular plate 10, the length of one end of an elastic support strip 13 inside the operation circular plate 10 is consistent with that of the support groove 11, a square sliding groove 12 is formed in the inner end of the operation circular plate 10 penetrating through the support groove 11, an elastic support strip 13 is placed inside the square sliding groove 12, the angular distance between the elastic support strips 13 is set to be ninety degrees, an attaching plate 14 connected in a welding mode is arranged at one end of each elastic support strip 13, the attaching plate 14 is arc-shaped, the radian of the inner end of the attaching plate 14 is consistent with that of the extrusion cylinder 15, an extrusion cylinder 15 connected in a welding mode is arranged at one end of the attaching plate 14, and an external sealing gasket 16 is placed inside the extrusion cylinder 15, the middle side of one end of the machine shell 1 is provided with a sealing cover 17 connected with a screw.
The working principle is as follows: when the transmission shaft 5 works on the machine shell 1, the transmission shaft 5 continuously rotates and abrades the outer sealing gasket 16, at the moment, the extrusion cylinder 15 carries out correction and attachment on the outer sealing gasket 16 under the action of the elastic supporting strips 13, and under the action of the built-in cylinder 6 and the blocking block 7, the inner rotary cylinder 8 rotates in the built-in cylinder 6, at the moment, the inner sealing gasket 9 seals the transmission shaft 5 and rotates along with the transmission shaft 5, when the worn-out sealing gasket needs to be replaced, the sealing cover 17 outside the machine shell 1 is loosened, the operation round plate 10 is further taken out, at the moment, the operation cylinder 10 enables the clamping block 7 to leave the inner part of the inner clamping groove 4, and the built-in cylinder 6 is separated from the inside of the built-in groove 2, the elastic supporting strips 13 and the attaching plate 14 are further taken down by utilizing the square sliding groove 12, and then the inner sealing gasket 9 in the inner rotary cylinder 8 and the outer sealing gasket 16 in the extrusion cylinder 15 can be replaced.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides a transmission shaft sealing device for diesel generating set, includes casing (1), its characterized in that: the improved structure is characterized in that a built-in groove (2) is formed in one end of the machine shell (1), an outer through groove (3) is formed in the outer side of one end of the machine shell (1) in a penetrating mode through the built-in groove (2), an inner clamping groove (4) is formed in two sides of one end of the built-in groove (2) in a penetrating mode through the outer through groove (3), a transmission shaft (5) is placed inside the built-in groove (2), a built-in cylinder (6) is placed inside the built-in groove (2), integrally-formed clamping blocks (7) are symmetrically arranged on two sides of one end of the built-in cylinder (6), an inner rotary cylinder (8) connected through a rotary shaft is arranged at the inner end of the built-in cylinder (6), an inner sealing gasket (9) connected through glue is arranged on the inner side of the inner rotary cylinder (8), an operation circular plate (10) is placed inside the outer through groove (3), a supporting groove (11) is formed in the upper end of the operation circular plate (10), and a square sliding groove (12) is formed in a penetrating mode through the inner end of the supporting groove (11), elastic support bar (13) have been placed to square spout (12) inside, and elastic support bar (13) one end sets up welded connection's rigging board (14), rigging board (14) one end sets up welded connection's extrusion drum (15), and the inside of extrusion drum (15) has placed outer sealing pad (16), casing (1) one end medial side sets up screw connection's sealed lid (17).
2. The sealing device for the transmission shaft of the diesel generator set according to claim 1, characterized in that: the depth of the outer through groove (3) is larger than the inner depth of the inner groove (2), and the inner diameter of the outer through groove (3) is larger than the maximum distance between the clamping blocks (7).
3. The sealing device for the transmission shaft of the diesel generator set according to claim 1, characterized in that: the clamping block (7) is arranged in an L shape, and the outer end surface of the clamping block (7) and the surface of the built-in cylinder (6) are on the same horizontal plane.
4. The sealing device for the transmission shaft of the diesel generator set according to claim 1, characterized in that: the inner sealing gasket (9) and the outer sealing gasket (16) are sleeved on the transmission shaft (5), and the outer end surfaces of the inner sealing gasket (9) and the inner rotary drum (8) are lower than the outer end surface of the built-in drum (6).
5. The sealing device for the transmission shaft of the diesel generator set according to claim 1, characterized in that: the depth of the supporting groove (11) is not more than half of the width of the operating circular plate (10), and the length of one end of the elastic supporting strip (13) in the operating circular plate (10) is consistent with the length of the supporting groove (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120198030.3U CN215891108U (en) | 2021-12-09 | 2021-12-09 | Transmission shaft sealing device for diesel generating set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120198030.3U CN215891108U (en) | 2021-12-09 | 2021-12-09 | Transmission shaft sealing device for diesel generating set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215891108U true CN215891108U (en) | 2022-02-22 |
Family
ID=80338820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120198030.3U Active CN215891108U (en) | 2021-12-09 | 2021-12-09 | Transmission shaft sealing device for diesel generating set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215891108U (en) |
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2021
- 2021-12-09 CN CN202120198030.3U patent/CN215891108U/en active Active
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