CN208629337U - The provision for disengagement of transmission input shaft rear end oil sealing - Google Patents
The provision for disengagement of transmission input shaft rear end oil sealing Download PDFInfo
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- CN208629337U CN208629337U CN201821446248.0U CN201821446248U CN208629337U CN 208629337 U CN208629337 U CN 208629337U CN 201821446248 U CN201821446248 U CN 201821446248U CN 208629337 U CN208629337 U CN 208629337U
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- oil sealing
- screw rod
- cylinder
- input shaft
- bracket
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Abstract
The utility model relates to a kind of provisions for disengagement of transmission input shaft rear end oil sealing, belong to speed changer field.Including pressing section and extract part.The upper bracket for extracting part is connected by the vacuum cylinder of two pins and pressing section.Pressing section includes vacuum cylinder, screw rod, O-ring seal, nut.The utility model is supported by the lower bracket that n font is arranged, and by the rotation of bolt, makes upper bracket that following pressing section be driven to pump.The setting of pressing section, when rotary nut, screw rod is moved up, and vacuum is formed between screw rod, O-ring seal, vacuum cylinder, oil sealing, and pressing section and oil sealing are forced together well, protects Oil Guide disk and rear shell injury-free in this way.
Description
Technical field
The utility model relates to speed changer field, in particular to a kind of provision for disengagement of transmission input shaft rear end oil sealing.
Background technique
Transmission input shaft rear end oil sealing is one kind of oil sealing, is generally formed, is used for by skeleton and fluorubber are co-vulcanized
The sealing of speed changer rear end.In speed changer maintenance process, before speed changer front housing and rear shell E separation, it is necessary to first remove input shaft
Rear end cover.Rear end cover: there is snap ring A in upper end, is oil sealing B below snap ring A, is the Oil Guide disk C of plastics below oil sealing B,
It is rear bearing, input shaft D further below, as shown in Figure 2.Currently, a hole is first bored on oil sealing, screwdriver when dismantling oil sealing
Head protrudes into, and then oil sealing is pulled out.It is low that this method not only dismantles difficulty, working efficiency, and is easy to hurt Oil Guide disk, it would be highly desirable to
It improves.
Summary of the invention
The purpose of this utility model is to provide a kind of provisions for disengagement of transmission input shaft rear end oil sealing, solve existing
Transmission input shaft rear end oil sealing existing for technology is difficult to the problem of dismantling so that oil seal demounting process it is convenient, it is practical, do not damage
Other parts.Including pressing section and extract part.The upper bracket for extracting part passes through the vacuum cylinder of two pins and pressing section
Connection.Pressing section includes vacuum cylinder, screw rod, O-ring seal, nut.The lower bracket that the utility model is arranged by n font
Support, by the rotation of bolt, makes upper bracket that following pressing section be driven to pump.The setting of pressing section, when
When rotary nut, screw rod is moved up, and vacuum, pressing section and oil are formed between screw rod, O-ring seal, vacuum cylinder, oil sealing
Envelope is forced together well, protects Oil Guide disk and rear shell injury-free in this way.
The above-mentioned purpose of the utility model is achieved through the following technical solutions:
The provision for disengagement of transmission input shaft rear end oil sealing, including pressing section and extraction part, the compressed part subpackage
It has included vacuum cylinder 1, screw rod 3, O-ring seal 8, nut 7, screw rod 3 is installed in the vacuum cylinder 1, in the annular groove of 3 lower end of screw rod
O-ring seal 8 is installed, one end that screw rod 3 stretches out outside vacuum cylinder 1 is equipped with nut 7;Extraction part include upper bracket 4,
Lower bracket 6, bolt 5, pin 2, the upper bracket 4 are in n shape, and a threaded hole is equipped at upper end center, is respectively provided at the bipod of lower end
One pin hole, lower bracket 6 are also in n shape;Bolt 5 is threadedly coupled with upper bracket 4, and passes through the screw thread at 4 upper end center of upper bracket
Hole is withstood on lower bracket 6, and upper bracket 4 is connect by pin hole at the bipod of lower end and pin 2 with vacuum cylinder 1.
The O-ring seal 8 is rubber material, is used for air seal.
3 lower end of screw rod is a cylinder, has annular groove among cylinder, cylinder above section is with full thread
Bar, there are two symmetrical facets for the top milling of bar.
The vacuum cylinder 1 is a thin-wall tube-shaped structure, there is a hole at upper end center, 3 upper end of screw rod pass through the hole with
Nut 7 connects;There are two the mounting hole about diameter symmetry, the mounting hole and the cooperations of pin 2 to connect in 1 upper end outer circle of vacuum cylinder
It connects.
The utility model has the beneficial effects that: novel, structure is simple, easy to use.Overcome speed changer input
Shaft rear end oil sealing is difficult to the problem of dismantling, and not only can be convenient, quickly dismantles to oil sealing, but also will not destroy Oil Guide again
Disk and rear shell itself improve production efficiency, reduce costs, practical, are worthy to be popularized.
Detailed description of the invention
Attached drawing described herein is used to provide a further understanding of the present invention, and is constituted part of this application,
The illustrative example and its explanation of the utility model do not constitute the improper limit to the utility model for explaining the utility model
It is fixed.
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the structural schematic diagram of input shaft rear end part.
In Fig. 1: 1, vacuum cylinder;2, pin;3, screw rod;4, upper bracket;5, bolt;6, lower bracket;7, nut;8, O-shaped close
Seal.
Specific embodiment
The detailed content and its specific embodiment of the utility model are further illustrated with reference to the accompanying drawing.
It is shown in Figure 1, the provision for disengagement of the transmission input shaft rear end oil sealing of the utility model, including pressing section and
Part is extracted, the pressing section includes vacuum cylinder 1, screw rod 3, O-ring seal 8, nut 7, installs spiral shell in the vacuum cylinder 1
Bar 3, O-ring seal 8 is equipped in the annular groove of 3 lower end of screw rod, and one end that screw rod 3 stretches out outside vacuum cylinder 1 is equipped with nut 7;
The extraction part includes upper bracket 4, lower bracket 6, bolt 5, pin 2, and the upper bracket 4 is in n shape, is equipped with one at upper end center
Threaded hole is respectively provided with a pin hole at the bipod of lower end, and lower bracket 6 is also in n shape, mainly plays a supportive role;Bolt 5 and upper bracket 4
It is threadedly coupled, and the threaded hole passed through at 4 upper end center of upper bracket is withstood on lower bracket 6, upper bracket 4 passes through at the bipod of lower end
Pin hole and pin 2 are connect with vacuum cylinder 1.
The O-ring seal 8 is rubber material, is used for air seal.
3 lower end of screw rod is a cylinder, has annular groove among cylinder, cylinder above section is with full thread
Bar, there are two symmetrical facets for the top milling of bar.
The vacuum cylinder 1 is a thin-wall tube-shaped structure, there is a hole at upper end center, 3 upper end of screw rod pass through the hole with
Nut 7 connects;There are two the mounting hole about diameter symmetry, the mounting hole and the cooperations of pin 2 to connect in 1 upper end outer circle of vacuum cylinder
It connects.
The utility model in actual use, is first installed to O-ring seal 8 groove of screw rod 3, then screw rod 3 is filled
Enter into vacuum cylinder 1, and 3 upper end of screw rod is stretched out from the hole at 1 center of vacuum cylinder, then screws on nut 7.Vacuum cylinder 1 is put into
On oil sealing B, at two facets of 3 upper end of adjustable wrench standing screw, rotary nut 7, can extract out screw rod 3 and oil sealing B it
Between air, formed vacuum, vacuum cylinder 1 and oil sealing B are pressed to together.Lower bracket 6 is put, then puts upper bracket 4, two stands
In 90 degree of angles.In the corresponding position of upper bracket 4 and vacuum cylinder 1, connected with pin 2.Bolt 5 is attached to the center of upper bracket 4
Upper and lower bracket 6 is pushed up in place, 5 lower end of bolt, and rotation bolt 5 can extract oil sealing.It is steel skeleton, skeleton outside among the oil sealing
It is rubber material.
The transmission input shaft rear end oil seal demounting device of the utility model overcomes oil sealing and is difficult to the problem of dismantling, not only
It can be convenient and quickly oil sealing is dismantled, and Oil Guide disk and rear shell itself will not be destroyed again, production effect greatly improved
Rate reduces cost, is worthy to be popularized.
The foregoing is merely the preferred embodiments of the utility model, are not intended to limit the utility model, for ability
For the technical staff in domain, various modifications and changes may be made to the present invention.It is all to made by the utility model it is any modification,
Equivalent replacement, improvement etc., should be included within the scope of protection of this utility model.
Claims (4)
1. a kind of provision for disengagement of transmission input shaft rear end oil sealing, it is characterised in that: including pressing section and extract part, institute
Stating pressing section includes vacuum cylinder (1), screw rod (3), O-ring seal (8), nut (7), installs spiral shell in the vacuum cylinder (1)
Bar (3) is equipped with O-ring seal (8) in the annular groove of screw rod (3) lower end, and screw rod (3) stretches out one end peace of vacuum cylinder (1) outside
Equipped with nut (7);The extraction part includes upper bracket (4), lower bracket (6), bolt (5), pin (2), the upper bracket (4)
In n shape, it is equipped with a threaded hole at upper end center, a pin hole is respectively provided at the bipod of lower end, lower bracket (6) is also in n shape;Bolt
(5) it is threadedly coupled with upper bracket (4), and passes through the threaded hole top whetstone at upper bracket (4) upper end center on lower bracket (6), on
Bracket (4) is connect by pin hole at the bipod of lower end and pin (2) with vacuum cylinder (1).
2. the provision for disengagement of transmission input shaft rear end according to claim 1 oil sealing, it is characterised in that: described is O-shaped
Sealing ring (8) is rubber material.
3. the provision for disengagement of transmission input shaft rear end according to claim 1 oil sealing, it is characterised in that: the screw rod
(3) lower end is a cylinder, has annular groove among cylinder, cylinder above section is the bar with full thread, and the top of bar is milled with
Two symmetrical facets.
4. the provision for disengagement of transmission input shaft rear end according to claim 1 oil sealing, it is characterised in that: the vacuum
Cylinder (1) is a thin-wall tube-shaped structure, there is a hole at upper end center, and screw rod (3) upper end passes through the hole and connect with nut (7);Very
There are two the mounting hole about diameter symmetry in the outer circle of empty cylinder (1) upper end, the mounting hole and pin (2) are cooperatively connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821446248.0U CN208629337U (en) | 2018-09-05 | 2018-09-05 | The provision for disengagement of transmission input shaft rear end oil sealing |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821446248.0U CN208629337U (en) | 2018-09-05 | 2018-09-05 | The provision for disengagement of transmission input shaft rear end oil sealing |
Publications (1)
Publication Number | Publication Date |
---|---|
CN208629337U true CN208629337U (en) | 2019-03-22 |
Family
ID=65743602
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201821446248.0U Active CN208629337U (en) | 2018-09-05 | 2018-09-05 | The provision for disengagement of transmission input shaft rear end oil sealing |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN208629337U (en) |
-
2018
- 2018-09-05 CN CN201821446248.0U patent/CN208629337U/en active Active
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