CN213871036U - Sealing device for output shaft of gear transmission - Google Patents
Sealing device for output shaft of gear transmission Download PDFInfo
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- CN213871036U CN213871036U CN202021576951.0U CN202021576951U CN213871036U CN 213871036 U CN213871036 U CN 213871036U CN 202021576951 U CN202021576951 U CN 202021576951U CN 213871036 U CN213871036 U CN 213871036U
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- gearbox
- main shaft
- pair
- output shaft
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Abstract
The utility model discloses a gear change case output shaft sealing device, a serial communication port, include: gearbox main part and main shaft, its left side wall equidistance of gearbox main part sets up two pairs of mounting screw holes that the structure is the same, its one end activity of main shaft is inlayed and is installed in gearbox main part lateral wall, and be located between gearbox main part left side wall mounting screw hole, can make main shaft one end protection through packaging structure, prevent to be obstructed and the inside lubricating oil of gearbox main part spills in the transmission, can bear convenient rotation to the main shaft through bearing the switching structure, just can be directed against spilling of lubricating oil simultaneously, use through packaging structure and the cooperation that bears the switching structure, not only can protect the main shaft output, still can prevent that lubricated fluid from spilling, do not influence the rotation of main shaft simultaneously, still can carry out the switching protection according to main shaft length.
Description
Technical Field
The invention relates to the technical field of gearboxes, in particular to a sealing device for an output shaft of a gearbox.
Background
The manual gearbox mainly comprises gears and shafts, and the speed change and torque change are generated by combining different gears; the automatic gearbox AT consists of a hydraulic torque converter, a planetary gear, a hydraulic pitch-changing system and a hydraulic control system; the speed change and torque change are achieved in a mode of combining hydraulic transmission and gears;
the output shaft of the gear reducer on the market is usually covered between the shell of the gear reducer, so that internal lubricating oil can seep out from the joint of the cover and the gearbox, most of the lubricating oil is output shaft parts, and the seepage is increased, so that not only is the waste of oil products caused, but also the workshop environment is polluted and the lubricating oil is used for a long time, and more impurity dust can be attached to the leaked part of the output shaft to influence the transmission use of the output shaft.
Disclosure of Invention
The invention aims to provide a sealing device for an output shaft of a gear transmission, which aims to solve the problems of oil leakage and dust adhesion in the rotation of the output shaft.
In order to achieve the purpose, the invention provides the following technical scheme: a gear box output shaft seal arrangement comprising: the left side wall of the gearbox main body is provided with two pairs of mounting threaded holes with the same structure at equal circumferential intervals, one end of the main shaft is movably embedded in the side wall of the gearbox main body and positioned between the mounting threaded holes on the left side wall of the gearbox main body, and the gearbox main body is detachably provided with a protection mechanism and is sleeved on the main shaft;
the guard mechanism includes: the transmission device comprises a packaging structure and a bearing switching structure, wherein the packaging structure is detachably arranged on the left side wall of a transmission main body and movably sleeved on a main shaft, and the bearing switching structure is detachably arranged on the packaging structure.
Preferably, the package structure includes: the clamping device comprises a pair of clamping pieces with the same structure, a pair of fastening bolts with the same structure, a pair of fastening nuts with the same structure, two pairs of butt-joint pieces with the same structure and two pairs of mounting bolts with the same structure;
the rear ends of the pair of the clamping pieces are movably connected through a pin shaft, the front side walls of the left end and the right end of the pair of the clamping pieces are provided with butt-joint blocks with the same structure, the center parts of the two butt-joint blocks are provided with first through holes with the same structure, the left ends of the pair of the clamping pieces after butt-joint are equidistantly provided with two pairs of switching threaded holes with the same structure, the inner side walls of the left end and the right end of the pair of the clamping pieces are circumferentially provided with first inclined threads, one end of each pair of the fastening bolts respectively and movably penetrates through the first through holes of the left end and the right end of the pair of the clamping pieces and are symmetrically parallel to each other, one fastening nut is respectively and movably sleeved on one end of each pair of the fastening bolts and is respectively and rotatably connected with the fastening bolt, one end of each pair of the butt-joint pieces is respectively and movably rotatably connected in the switching threaded holes of the left ends of the pair of the clamping pieces and is respectively and symmetrically provided with second through holes with the same structure at the center parts of the other ends of the pair of the clamping pieces, one end of each of the two pairs of mounting bolts respectively and movably penetrates through the second through hole at the other end of the butt joint piece and is respectively and movably screwed in the mounting threaded hole on the left side wall of the gearbox main body.
Preferably, the load-bearing adapter structure includes: the first bearing, the sealing ring, the second bearing and the adapter tube;
the utility model discloses a quick-witted gear box, including fastener, sealing washer, first bearing, second bearing, switching pipe, first bearing can be dismantled to inlay and adorn in the fastener left end, the sealing washer activity is inlayed and is adorned in the fastener left end, and is located between first bearing and the gear box main part, the second bearing can be dismantled to inlay and adorns in the fastener right-hand member, the switching pipe is hollow tubular structure, and its one end lateral wall circumference has seted up the oblique screw thread of second, its one end activity cartridge of switching pipe is in the fastener right-hand member, and connects mutually with the fastener soon respectively.
Preferably, the diameter of the outer wall of the adapter tube is the same as the diameter of the inner wall of the adapter tube after the pair of clamping pieces are butted.
Preferably, the first bearing is identical in structure to the second bearing.
Preferably, one end of the butt joint piece is of a threaded rod structure, and the other end of the butt joint piece is of a rectangular block structure.
Preferably, the clamping piece is of an arc-shaped structure, the diameters of the left end and the right end of the clamping piece are the same, and the diameters of the left end and the right end are larger than the diameter of the central part.
Preferably, the main shaft movably penetrates between the clamping pieces and movably penetrates through the first bearing and the second bearing respectively.
The invention provides a sealing device for an output shaft of a gear box, which has the beneficial effects that:
1. according to the invention, one end of the main shaft can be protected through the packaging structure, so that the blockage in transmission and the leakage of lubricating oil in the transmission main body are prevented;
2. according to the invention, the main shaft can be conveniently supported and rotated through the supporting and switching structure, and meanwhile, the leakage of lubricating oil can be avoided.
3. According to the invention, through the matching use of the packaging structure and the bearing switching structure, not only can the output end of the main shaft be protected, but also lubricating oil can be prevented from leaking, meanwhile, the rotation of the main shaft is not influenced, and switching protection can be carried out according to the length of the main shaft.
Drawings
FIG. 1 is a schematic view of the split structure of the present invention;
FIG. 2 is a schematic view of the mounting structure of the present invention;
fig. 3 is a schematic view of the assembly structure of the present invention.
In the figure: 1. the gearbox body 2, main shaft, 3, packaging structure, 31, fastener, 32, fastening bolt, 33, fastening nut, 34, butt joint piece, 35, mounting bolt, 4, bearing adapter structure, 41, first bearing, 42, sealing ring, 43, second bearing, 44 and adapter tube.
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. 1-3, the present invention provides a technical solution: a gear box output shaft seal arrangement comprising: the protective mechanism comprises a gearbox main body and a main shaft, wherein two pairs of mounting threaded holes with the same structure are formed in the left side wall of the gearbox main body at equal circumferential intervals; a protection mechanism comprising: packaging structure and bear the weight of the switching structure, packaging structure can dismantle to settle on the gearbox main part left side wall, and the activity suit is on the main shaft, bears the weight of the switching structure and can dismantle to settle on packaging structure.
Preferably, the package structure 3 further includes: a pair of clamps 31 with the same structure, a pair of fastening bolts 32 with the same structure, a pair of fastening nuts 33 with the same structure, two pairs of butt pieces 34 with the same structure and two pairs of mounting bolts 35 with the same structure;
the rear ends of a pair of fasteners 31 are movably connected through a pin shaft, the front side walls of the left and right ends of the pair of fasteners 31 are respectively provided with a butt joint block with the same structure, the center part of the pair of fasteners 31 is respectively provided with a first through hole with the same structure, the left ends of the pair of fasteners 31 after butt joint are equidistantly provided with two pairs of switching threaded holes with the same structure, the inner side walls of the left and right ends of the pair of fasteners 31 are respectively provided with a first inclined thread, one end of a pair of fastening bolts 32 is respectively and movably penetrated in the first through holes of the left and right ends of the pair of fasteners 31 and are symmetrically parallel to each other, one fastening nut 33 is respectively and movably sleeved on one end of the pair of fastening bolts 32 and is respectively and rotatably connected with the fastening bolts 32, one end of each pair of butt joint pieces 34 is respectively and movably penetrated in the switching threaded holes of the left ends of the pair of fasteners 31 and is respectively and symmetrically arranged at the center part of the other ends of the pair of the fastening bolts 35 are respectively and movably penetrated in the second through holes of the other ends of the butt joint pieces 34, and are respectively movably screwed in mounting threaded holes on the left side wall of the gearbox main body 1.
Preferably, the load-bearing adapter structure 4 further includes: a first bearing 41, a seal ring 42, a second bearing 43, and an adapter tube 44;
the first bearing 41 is detachably embedded in the left end of the clamping piece 31, the sealing ring 42 is movably embedded in the left end of the clamping piece 31 and is positioned between the first bearing 41 and the transmission main body 1, the second bearing 43 is detachably embedded in the right end of the clamping piece 31, the adapter tube 44 is of a hollow tubular structure, a second inclined thread is arranged on the circumference of the outer side wall of one end of the adapter tube 44, one end of the adapter tube 44 is movably inserted in the right end of the clamping piece 31 and is respectively and rotatably connected with the clamping piece 31.
As a preferred scheme, furthermore, the diameter of the outer wall of the adapter tube 44 is the same as that of the inner wall of the butt joint pair of the clamping pieces 31, so that the installation requirement is met, and the butt joint is convenient.
Preferably, the first bearing 41 and the second bearing 43 have the same structure, so that the installation is convenient.
Preferably, one end of the butt-joint part 34 is of a threaded rod structure, and the other end of the butt-joint part is of a rectangular block structure, so that the butt-joint part is convenient to switch and mount according to design requirements.
As an optimal scheme, furthermore, the clamping piece 31 is of an arc-shaped structure, the diameters of the left end and the right end of the clamping piece are the same, and are larger than the diameter of the central part, so that the clamping piece is used for meeting design requirements and is convenient to mount.
Preferably, the spindle 2 movably penetrates between the pair of clamping pieces 31 and respectively movably penetrates through the first bearing 41 and the second bearing 43 for meeting design requirements and facilitating rotation of the spindle 2.
The detailed connection means is a technique known in the art, and the following mainly describes the working principle and process, and the specific operation is as follows.
Example (b): as can be seen from the attached figures 1-3 of the specification, firstly, because the main body 1 of the transmission is heavy and the connection distance (i.e. the length of the output shaft) between the main body and the transmission equipment is limited, which is inconvenient for installing a complicated structure, the butt-joint part 34 of the packaging structure 3 can be installed on the clamping pieces 31, the first bearing 41 and the second bearing 43 of the bearing adapter structure 4 are respectively arranged in the two ends of the pair of clamping pieces 31, the two clamping pieces 31 are closed, after the clamping pieces are fixed by the fastening bolt 32 and the fastening nut 33, the main shaft 2 on the main body 1 of the transmission penetrates through the first bearing 41 and the second bearing 43, the sealing ring 42 is embedded in the two clamping pieces 31 at the same time, the sealing ring is attached to the side wall of the main body 1 of the transmission for sealing to prevent the leakage of the internal lubricating oil, the butt-joint part 34 is aligned with the installation threaded hole, the main shaft 2 is integrally fixed on the side wall of the main body 1 of the transmission by the installation bolt 35, meanwhile, the main shaft 2 can be supported and rotated by the aid of the first bearing 41 and the second bearing 43, abrasion is avoided, and if the main shaft 2 is long, the protective structure can be lengthened by installing the adapter tube 44, so that internal oil is prevented from leaking, and the outer wall of the main shaft 2 is prevented from being stained and accumulating dust.
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 invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A gear box output shaft seal arrangement comprising: the protective mechanism comprises a gearbox main body (1) and a main shaft (2), wherein two pairs of mounting threaded holes with the same structure are formed in the left side wall of the gearbox main body (1) at equal circumferential intervals, one end of the main shaft (2) is movably embedded in the side wall of the gearbox main body (1) and is positioned between the mounting threaded holes in the left side wall of the gearbox main body (1), and a protective mechanism is detachably mounted on the gearbox main body (1) and is sleeved on the main shaft (2);
the guard mechanism includes: the transmission case comprises a packaging structure (3) and a bearing switching structure (4), wherein the packaging structure (3) is detachably arranged on the left side wall of the transmission case body (1) and movably sleeved on a main shaft (2), and the bearing switching structure (4) is detachably arranged on the packaging structure (3).
2. A gearbox output shaft seal arrangement according to claim 1, characterised in that: the encapsulation structure (3) comprises: the clamping device comprises a pair of clamping pieces (31) with the same structure, a pair of fastening bolts (32) with the same structure, a pair of fastening nuts (33) with the same structure, two pairs of butt pieces (34) with the same structure and two pairs of mounting bolts (35) with the same structure;
the rear ends of the pair of clamping pieces (31) are movably connected through a pin shaft, the front side walls of the left end and the right end of each clamping piece are respectively provided with a butt joint block with the same structure, the center part of each clamping piece is respectively provided with a first through hole with the same structure, the left end and the left end of each clamping piece (31) after butt joint are equidistantly provided with two pairs of switching threaded holes with the same structure, the inner side walls of the left end and the right end of each clamping piece are respectively provided with a first inclined thread, one end of each fastening bolt (32) is movably penetrated in the first through hole of the butt joint block of the left end and the right end of each clamping piece (31) and is symmetrically parallel to each other, one fastening nut (33) is movably sleeved on one end of each fastening bolt (32) and is respectively rotatably connected with the fastening bolt (32), one end of each pair of the butt joint pieces (34) is movably connected in the switching threaded holes of the left end of each clamping piece (31) and is respectively symmetrical to each clamping piece, and the center part of the other end of the mounting bolt is provided with second through holes with the same structure, and one end of each of the two pairs of mounting bolts (35) respectively and movably penetrates through the second through holes at the other end of the butt joint piece (34) and is respectively and movably screwed in the mounting threaded hole on the left side wall of the gearbox main body (1).
3. A gearbox output shaft seal arrangement according to claim 2, characterised in that: the load-bearing adapter structure (4) comprises: a first bearing (41), a seal ring (42), a second bearing (43) and a transfer pipe (44);
first bearing (41) can be dismantled and inlay and adorn in a pair of fastener (31) left end, sealing washer (42) activity is inlayed and is adorned in fastener (31) left end, and is located between first bearing (41) and gearbox main part (1), second bearing (43) can be dismantled and inlay and adorn in fastener (31) right-hand member, switching pipe (44) are hollow tubular structure, and its one end lateral wall circumference has seted up the second oblique screw thread, switching pipe (44) its one end activity cartridge is in fastener (31) right-hand member, and connects soon mutually with fastener (31) respectively.
4. A gearbox output shaft seal arrangement according to claim 3, characterised in that: the diameter of the outer wall of the adapter tube (44) is the same as that of the inner wall of the butt joint pair of the clamping pieces (31).
5. A gearbox output shaft seal arrangement according to claim 3, characterised in that: the first bearing (41) and the second bearing (43) are identical in structure.
6. A gearbox output shaft seal arrangement according to claim 2, characterised in that: one end of the butt joint piece (34) is of a threaded rod structure, and the other end of the butt joint piece is of a rectangular block structure.
7. A gearbox output shaft seal arrangement according to claim 2, characterised in that: the clamping piece (31) is of an arc-shaped structure, the diameters of the left end and the right end of the clamping piece are the same, and the diameters of the left end and the right end of the clamping piece are larger than the diameters of the central parts of the clamping piece.
8. A gearbox output shaft seal arrangement according to claim 1, characterised in that: the main shaft (2) movably penetrates between the clamping pieces (31) and respectively movably penetrates in the first bearing (41) and the second bearing (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021576951.0U CN213871036U (en) | 2020-08-03 | 2020-08-03 | Sealing device for output shaft of gear transmission |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021576951.0U CN213871036U (en) | 2020-08-03 | 2020-08-03 | Sealing device for output shaft of gear transmission |
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| Publication Number | Publication Date |
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| CN213871036U true CN213871036U (en) | 2021-08-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021576951.0U Active CN213871036U (en) | 2020-08-03 | 2020-08-03 | Sealing device for output shaft of gear transmission |
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| CN (1) | CN213871036U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081825A (en) * | 2020-10-19 | 2020-12-15 | 常熟市天博金属制品有限公司 | Sealed rotating shaft |
-
2020
- 2020-08-03 CN CN202021576951.0U patent/CN213871036U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112081825A (en) * | 2020-10-19 | 2020-12-15 | 常熟市天博金属制品有限公司 | Sealed rotating shaft |
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