CN208236732U - A kind of seepage-proof oil ventilation blower transmission main shaft - Google Patents
A kind of seepage-proof oil ventilation blower transmission main shaft Download PDFInfo
- Publication number
- CN208236732U CN208236732U CN201820714982.4U CN201820714982U CN208236732U CN 208236732 U CN208236732 U CN 208236732U CN 201820714982 U CN201820714982 U CN 201820714982U CN 208236732 U CN208236732 U CN 208236732U
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- Prior art keywords
- main shaft
- transmission main
- seepage
- groove
- oil
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Abstract
The utility model discloses a kind of seepage-proof oil ventilation blower transmission main shafts, including transmission main shaft main body, antiseepage oil groove, sealing ring and keyway, bearing portion is provided on the left of the transmission main shaft main body, and round nut is provided on the right side of bearing portion, the seepage-proof oil slot position is provided with seal groove in the right side of round nut on the right side of antiseepage oil groove, the inside of seal groove is arranged in the sealing ring, and connecting shaft is provided on the right side of seal groove, the keyway is arranged in connecting shaft.The seepage-proof oil ventilation blower transmission main shaft, the antiseepage oil groove opposite with main shaft direction of rotation of 60 ° of angles is processed in transmission main shaft main body, play the role of preventing lubricating oil from overflowing from sealing cover, it can avoid the normal operation of the effect of flood blower because of lubricating oil, be conducive to the normal operation of blower, and it is provided with seal groove and sealing ring on the right side of antiseepage oil groove, play the role of that lubricating oil is further prevented to overflow from sealing cover, is conducive to the leakproofness for improving sealing cover.
Description
Technical field
The utility model relates to ventilation blower transmission main shaft technical field, specially a kind of seepage-proof oil ventilation blower transmission main shaft.
Background technique
Blower transmission main shaft main body is the important component for connecting fan wind and base plate, is that blower operating is indispensable
Major part, play the role of in blower operation process vital.
But often there is permeability phenomenon in the shaft end of existing ventilation blower transmission main shaft main body and sealing cover, affect blower
It runs well, is unfavorable for the normal operation of blower.
Utility model content
The purpose of this utility model is to provide a kind of seepage-proof oil ventilation blower transmission main shafts, to solve in above-mentioned background technique
Often there is permeability phenomenon in the shaft end of the existing ventilation blower transmission main shaft main body proposed and sealing cover, affect the normal of blower
Operating is unfavorable for the problem of blower runs well.
To achieve the above object, the utility model provides the following technical solutions: a kind of seepage-proof oil ventilation blower transmission main shaft, packet
Transmission main shaft main body, antiseepage oil groove, sealing ring and keyway are included, is provided with bearing portion, and axis on the left of the transmission main shaft main body
Round nut is provided on the right side of bearing portion, the seepage-proof oil slot position is provided with close in the right side of round nut, and on the right side of antiseepage oil groove
The inside of seal groove is arranged in seal slot, the sealing ring, and connecting shaft is provided on the right side of seal groove, and the keyway is set
It sets in connecting shaft.
Preferably, the diameter of the bearing portion is less than the diameter of transmission main shaft main body, and the width of bearing portion is greater than circle spiral shell
Female width.
Preferably, the included angle of the antiseepage oil groove is 60 °, and seepage-proof oil slot position in round nut and seal groove it
Between, and the direction of antiseepage oil groove is opposite with the direction of rotation of transmission main shaft main body.
Preferably, the shape and structure of the seal groove is circular, and the center of circle of seal groove and transmission main shaft main body
Center line coincide.
It preferably, is interference fit between the sealing ring and seal groove, and the diameter of sealing ring is greater than antiseepage oil groove
Diameter.
Preferably, the connecting shaft is located at the right end of transmission main shaft main body, and the diameter of connecting shaft is less than seal groove
Diameter.
Compared with prior art, the utility model has the beneficial effects that the seepage-proof oil ventilation blower transmission main shaft, leads in transmission
The antiseepage oil groove opposite with main shaft direction of rotation of 60 ° of angles is processed in shaft body, playing prevents lubricating oil from sealing cover
The effect of spilling can avoid the normal operation of the effect of flood blower because of lubricating oil, be conducive to the normal operation of blower, and anti-
Seal groove and sealing ring are provided on the right side of oil seepage slot, the diameter of sealing ring is greater than the diameter of antiseepage oil groove, plays further
The effect for preventing lubricating oil from overflowing from sealing cover is conducive to the leakproofness for improving sealing cover.
Detailed description of the invention
Fig. 1 is the utility model transmission main shaft agent structure schematic diagram；
Fig. 2 is the utility model antiseepage oil groove broken section structural schematic diagram；
Fig. 3 is the portion a-a schematic cross-sectional view in the utility model Fig. 1.
In figure: 1, transmission main shaft main body；2, bearing portion；3, round nut；4, antiseepage oil groove；5, seal groove；6, sealing ring；
7, connecting shaft；8, keyway.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: a kind of seepage-proof oil ventilation blower transmission main shaft, including
Transmission main shaft main body 1, bearing portion 2, round nut 3, antiseepage oil groove 4, seal groove 5, sealing ring 6, connecting shaft 7 and keyway 8, transmission
The left side of spindle main body 1 is provided with bearing portion 2, and the right side of bearing portion 2 is provided with round nut 3, and the diameter of bearing portion 2, which is less than, to be passed
The diameter of dynamic spindle main body 1, and the width of bearing portion 2 is greater than the width of round nut 3, is provided in this way conducive to bearing in bearing portion
2 installation, antiseepage oil groove 4 is located at the right side of round nut 3, and the right side of antiseepage oil groove 4 is provided with seal groove 5, antiseepage oil groove 4
Included angle be 60 °, and antiseepage oil groove 4 is between round nut 3 and seal groove 5, and the direction of antiseepage oil groove 4 and biography
The direction of rotation of dynamic spindle main body 1 in transmission main shaft main body 1 on the contrary, process the opposite with main shaft direction of rotation of 60 ° of angles
Antiseepage oil groove 4, play the role of preventing lubricating oil from overflowing from sealing cover, can avoid the effect of flood blower because of lubricating oil
Run well, be conducive to the normal operation of blower, the shape and structure of seal groove 5 is annular shape, and the center of circle of seal groove 5 with
The center line of transmission main shaft main body 1 coincides, and is provided with the installation conducive to sealing ring 6 inside seal groove 5, sealing ring in this way
6 are arranged in the inside of seal groove 5, and the right side of seal groove 5 is provided with connecting shaft 7, between sealing ring 6 and seal groove 5
For interference fit, and the diameter of sealing ring 6 be greater than antiseepage oil groove 4 diameter, in this way be arranged play further prevent lubricating oil from
The effect overflowed at sealing cover is conducive to the leakproofness for improving sealing cover, and connecting shaft 7 is located at the right end of transmission main shaft main body 1, and
The diameter of connecting shaft 7 is less than the diameter of seal groove 5, is provided with the adding in transmission main shaft main body 1 conducive to seal groove 5 in this way
Work, keyway 8 are arranged in connecting shaft 7.
Working principle: when using the seepage-proof oil ventilation blower transmission main shaft, first check that each structure of transmission main shaft main body 1 is
It is no intact, after inspection, bearing is mounted on to the position of bearing portion 2, and be fixed with sealing cover, antiseepage oil groove 4 can be prevented
The only spilling of lubricating oil, the sealing ring 6 inside seal groove 5 can further be sealed sealing cover, and above just to complete this anti-
The sequence of operations of permeability ventilation blower transmission main shaft, the content being not described in detail in this specification belong to this field professional technique
The prior art well known to personnel.
Although the utility model is described in detail with reference to the foregoing embodiments, come for those skilled in the art
Say, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic into
Row equivalent replacement, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should all
It is included within the scope of protection of this utility model.
Claims (6)
1. a kind of seepage-proof oil ventilation blower transmission main shaft, including transmission main shaft main body (1), antiseepage oil groove (4), sealing ring (6) and key
Slot (8), it is characterised in that: be provided with bearing portion (2) on the left of the transmission main shaft main body (1), and set on the right side of bearing portion (2)
It is equipped with round nut (3), the antiseepage oil groove (4) is located at the right side of round nut (3), and is provided on the right side of antiseepage oil groove (4) close
Seal slot (5), the sealing ring (6), which is arranged, is provided with connection in the inside of seal groove (5), and on the right side of seal groove (5)
Axis (7), the keyway (8) are arranged on connecting shaft (7).
2. a kind of seepage-proof oil ventilation blower transmission main shaft according to claim 1, it is characterised in that: the bearing portion (2)
Diameter is less than the diameter of transmission main shaft main body (1), and the width of bearing portion (2) is greater than the width of round nut (3).
3. a kind of seepage-proof oil ventilation blower transmission main shaft according to claim 1, it is characterised in that: the antiseepage oil groove (4)
Included angle be 60 °, and antiseepage oil groove (4) is located between round nut (3) and seal groove (5), and antiseepage oil groove (4)
Direction is opposite with the direction of rotation of transmission main shaft main body (1).
4. a kind of seepage-proof oil ventilation blower transmission main shaft according to claim 1, it is characterised in that: the seal groove (5)
Shape and structure be annular shape, and the center of circle of seal groove (5) and the center line of transmission main shaft main body (1) coincide.
5. a kind of seepage-proof oil ventilation blower transmission main shaft according to claim 1, it is characterised in that: the sealing ring (6) with
It is interference fit between seal groove (5), and the diameter of sealing ring (6) is greater than the diameter of antiseepage oil groove (4).
6. a kind of seepage-proof oil ventilation blower transmission main shaft according to claim 1, it is characterised in that: connecting shaft (7) position
Right end in transmission main shaft main body (1), and the diameter of connecting shaft (7) is less than the diameter of seal groove (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820714982.4U CN208236732U (en) | 2018-05-15 | 2018-05-15 | A kind of seepage-proof oil ventilation blower transmission main shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820714982.4U CN208236732U (en) | 2018-05-15 | 2018-05-15 | A kind of seepage-proof oil ventilation blower transmission main shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208236732U true CN208236732U (en) | 2018-12-14 |
Family
ID=64579527
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820714982.4U Active CN208236732U (en) | 2018-05-15 | 2018-05-15 | A kind of seepage-proof oil ventilation blower transmission main shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208236732U (en) |
-
2018
- 2018-05-15 CN CN201820714982.4U patent/CN208236732U/en active Active
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