CN208638149U - A kind of Oil pump electrical machinery aluminium end cap pressure oil seal structure - Google Patents
A kind of Oil pump electrical machinery aluminium end cap pressure oil seal structure Download PDFInfo
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- CN208638149U CN208638149U CN201820820874.5U CN201820820874U CN208638149U CN 208638149 U CN208638149 U CN 208638149U CN 201820820874 U CN201820820874 U CN 201820820874U CN 208638149 U CN208638149 U CN 208638149U
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- oil seal
- end cap
- oil
- outside framework
- sealing room
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Abstract
The utility model relates to aluminium end cap pressure oils to seal field, in particular to a kind of Oil pump electrical machinery aluminium end cap pressure oil seal structure, including outside framework oil seal and aluminium end cap, the medial surface of aluminium end cap axially successively offers the seam allowance being connected, the oil sealing room for being packed into outside framework oil seal and the bearing chamber for installing bearing along it；The opening of seam allowance, oil sealing room and bearing chamber is rounded, and three is coaxially disposed；The internal diameter of seam allowance, oil sealing room and bearing chamber is gradually reduced setting by seam allowance to bearing chamber direction；Outside framework oil seal is in a ring；The depth of oil sealing room is slightly larger than the width of outside framework oil seal；The depth of bearing chamber and the bearing width of prepackage are equal, the utility model directly goes out seam allowance, oil sealing room and bearing chamber by the interior capping to aluminium end cap, keep three coaxial, and outside framework oil seal is easily pressed to oil sealing room due to the structure, reduce the abrasion of oil sealing epipharynx, it does not need to beat screw hole simultaneously, reduces manufacturing procedure, improve air-tightness yet.
Description
Technical field
The utility model relates to aluminium end cap pressure oils to seal field, in particular to a kind of Oil pump electrical machinery aluminium end cap pressure oil seal structure.
Background technique
Oil pump electrical machinery is a kind of particular motor of improved driving oil pump, and oil pump divides high pressure and low pressure, i.e. high-pressure plunger oil
Pump is the camshaft in pump, and plunger is driven to pump in plunger bushing, generates high pressure oil supply fuel injector；Oil pump electricity
Machine considers later period Oil pump electrical machinery in use, preventing driving member from touching oil in production assembly, so needing in Oil pump electrical machinery
Aluminium lid end is provided with outside framework oil seal；General outside framework oil seal effect is exactly the component and external environment that will need to lubricate in transmission parts
Isolation, is unlikely to allow oil seepage；The technique that traditional outside framework oil seal is packed into aluminium end cap is by the front and back two of aluminium end cap
Side requires aperture, opens up seam allowance and bearing chamber on the inside of aluminium end cap, thus the two be it is interconnected, aluminium end cap needs at this time
It overturns, so that its front side is able to open up oil sealing room, such oil sealing room is to be connected to by bearing chamber with seam allowance；Simultaneously also
It is that the front and rear sides of aluminium end cap are all opening, i.e., caused by seam allowance and oil sealing room；But in this case, it is punched in aluminium end cap
In, secondary overturning is needed, after overturning, and due to the vibration force of perforating device, seam allowance, bearing chamber and oil sealing room three can be made
It is not coaxial between person, easily cause the abrasion of oil sealing epipharynx uneven, while also increasing the difficulty in process operation；And the dress of which
It is outside framework oil seal to be enclosed in oil sealing room in posture is inverted, such easy damaged oil sealing surface with process；It then will also be in front cover
Two screw holes are being made a call in position, and outside framework oil seal is pressed in oil sealing room by pressing plate, then also offers screw hole on pressing plate,
The screw hole of pressing plate is matched by screw with the screw hole on front cover, due to opening up screw hole, leads to hermetic seal not
By force.
Utility model content
The purpose of this utility model is that in view of the deficiencies of the prior art, providing a kind of Oil pump electrical machinery aluminium end cap pressure oil sealed knot
Structure.
To solve the above problems, the utility model the following technical schemes are provided:
A kind of Oil pump electrical machinery aluminium end cap pressure oil seal structure, including outside framework oil seal and aluminium end cap, the medial surface of aluminium end cap is along it
It is axial successively to offer the seam allowance being connected, the oil sealing room for being packed into outside framework oil seal and the bearing chamber for installing bearing；Only
The opening of mouth, oil sealing room and bearing chamber is rounded, and three is coaxially disposed；The internal diameter of seam allowance, oil sealing room and bearing chamber by
Seam allowance to bearing chamber direction is gradually reduced setting；Outside framework oil seal is in a ring；The depth of oil sealing room is slightly larger than the width of outside framework oil seal；
The depth of bearing chamber and the bearing width of prepackage are equal.
Further, the internal diameter of the oil sealing room is equal with the outer diameter of outside framework oil seal.
Further, the edge of oil sealing room open end is equipped with arc transition.
Further, the edge of one end that the outside framework oil seal is contacted with oil sealing room bottom wall is equipped with chamfered transition.
Further, silica gel is coated between the outer wall of the outside framework oil seal and the inner wall of oil sealing room.
Further, the internal diameter of the bearing chamber is the 2/3 of outside framework oil seal outer diameter.
The utility model has the advantages that a kind of Oil pump electrical machinery aluminium end cap pressure oil seal structure of the utility model, traditional aluminium end cap work in-process,
Front and rear sides require aperture, and inside opens up seam allowance and bearing chamber, thus the two be it is interconnected, at this time aluminium end cap need
It overturns, so that its front side is able to open up oil sealing room, such oil sealing room is to be connected to by bearing chamber with seam allowance；Simultaneously also
It is that the front and rear sides of aluminium end cap are all opening, i.e., caused by seam allowance and oil sealing room；And the assembling process of which is
It is inverted posture outside framework oil seal is enclosed in oil sealing room, then also to make a call to two screw holes in front cover position, it will by pressing plate
Outside framework oil seal is pressed in oil sealing room, and screw hole is then also offered on pressing plate, and the screw hole of pressing plate passes through on screw and front cover
Screw hole match；This practical structure be can directly the back side of aluminium end cap successively offer seam allowance, oil sealing room with
And bearing chamber, width is then charged into the identical bearing of the indoor depth of bearing, is then being packed into outside framework oil seal, and skeleton oil
Bearing outer ring end is close in the end of envelope, constitutes a protection between the sealing lip of outside framework oil seal and bearing outer ring end at this time
Chamber, so that oil seepage flow, the utility model will not pass through the interior capping to aluminium end cap between bearing outer wall and the inner wall of bearing chamber
Seam allowance, oil sealing room and bearing chamber directly are gone out, keeps three coaxial, and outside framework oil seal is easily pressed to oil sealing room due to the structure
It is interior, reduce the abrasion of oil sealing epipharynx, while not needing to beat screw hole, reduces manufacturing procedure, also improve air-tightness.
Detailed description of the invention
Fig. 1 is the cross-sectional view of the aluminium end cap pressure oil seal structure of previous mode；
Fig. 2 is the section plan of the utility model；
Fig. 3 is the enlarged drawing in Fig. 2 at A；
Description of symbols: outside framework oil seal 1, chamfered transition 1a, aluminium end cap 2, seam allowance 2a, oil sealing room 2b, arc transition
2b1, bearing chamber 2c, bearing 2d protect chamber 2e, pressing plate 2f, screw 2g, front cover 2k.
Specific embodiment
With reference to the accompanying drawings of the specification and embodiment, specific embodiment of the utility model is described in further detail:
Referring to figs. 1 to a kind of Oil pump electrical machinery aluminium end cap pressure oil seal structure shown in Fig. 3, including outside framework oil seal 1 and aluminium end cap
2, the medial surface of aluminium end cap 2 axially successively offers the seam allowance 2a being connected along it, the oil sealing room 2b for being packed into outside framework oil seal 1
With the bearing chamber 2c for installing bearing 2d；The opening of seam allowance 2a, oil sealing room 2b and bearing chamber 2c are rounded, and three is same
Axis setting；The internal diameter of seam allowance 2a, oil sealing room 2b and bearing chamber 2c are gradually reduced setting by seam allowance 2a to the direction bearing chamber 2c；Bone
Frame oil sealing 1 is in a ring；The depth of oil sealing room 2b is slightly larger than the width of outside framework oil seal 1；The depth of bearing chamber 2c and the bearing of prepackage
2d width is equal.
The internal diameter of the oil sealing room 2b is equal with the outer diameter of outside framework oil seal 1, and the internal-and external diameter of the two is equal, so that outside framework oil seal
After 1 is enclosed in the 2b of oil sealing room, the stabilization that compares.
The edge of the oil sealing room open end 2b be arc transition 2b1, arc transition 2b1 make by outside framework oil seal 1 from
2 medial surface of aluminium end cap, i.e. it is more convenient during being packed into the 2b of oil sealing room at seam allowance 2a.
The edge of one end that the outside framework oil seal 1 is contacted with oil sealing room 2b bottom wall is equipped with chamfered transition 1a, chamfered transition
1a makes outside framework oil seal 1 after being packed into the 2b of oil sealing room, and outside framework oil seal 1 can be with oil sealing with the one end of chamfered transition 1a
Bottom wall in the 2b of room is fitted close, and will not generate loosening.
It is coated with silica gel between the outer wall of the outside framework oil seal 1 and the inner wall of oil sealing room 2b, silica gel is such that skeleton is oily
Envelope 1 and oil sealing room 2b inner wall between cooperation more closely with it is firm.
The internal diameter of the bearing chamber 2c is the 2/3 of 1 outer diameter of outside framework oil seal, after outside framework oil seal 1 is packed into the 2b of oil sealing room, axis
Bearing 2d can be installed in advance by holding in the 2c of room, the sealing lip of outside framework oil seal 1 can touch the outer ring end of bearing 2d at this time, also
The just sealing lip position of face outside framework oil seal 1 when being the outer ring end bearing 2d installed in the internal diameter of bearing chamber 2c；The two is tight
Patch so that oil will not between bearing 2d outer wall and the inner wall of bearing chamber 2c seepage flow.
Working principle: traditional 2 work in-process of aluminium end cap, front and rear sides require aperture, seam allowance 2a are opened up on the inside of aluminium end cap 2
And bearing chamber 2c, so the two be it is interconnected, aluminium end cap 2 needs to overturn at this time so that its front side be able to open up oil
Room 2b is sealed, such oil sealing room 2b is to be connected to by bearing chamber 2c with seam allowance 2a；Simultaneously it is, the front and rear sides of aluminium end cap 2
It is all opening, i.e. caused by seam allowance 2a and oil sealing room 2b；And the assembling process of which is, in posture is inverted that skeleton is oily
Envelope 1 is enclosed in the 2b of oil sealing room, then also to make a call to two holes screw 2g in the position front cover 2k, by pressing plate 2f that skeleton is oily
Envelope 1 is pressed in the 2b of oil sealing room, and the hole screw 2g is then also offered on pressing plate 2f, and the hole screw 2g of pressing plate 2f passes through screw 2g
It is matched with the hole screw 2g on front cover 2k；This practical structure is directly successively offering in the back side of aluminium end cap 2
In the identical bearing 2d of depth in bearing chamber 2c, then seam allowance 2a, oil sealing room 2b and bearing chamber 2c are then charged into width
It is being packed into outside framework oil seal 1, and the outer ring bearing 2d end is close in the end of outside framework oil seal 1, at this time the sealing lip of outside framework oil seal 1
A protection chamber 2e is constituted between the end of the outer ring bearing 2d so that oil will not from the inner wall of bearing 2d outer wall and bearing chamber 2c it
Between seepage flow.
The above descriptions are merely preferred embodiments of the present invention, not makees to the technical scope of the utility model
Any restrictions out, thus it is any trickle amendment made by the above technical examples according to the technical essence of the present invention, equivalent
Variation and modification, in the range of still falling within the technical solution of the utility model.
Claims (6)
1. a kind of Oil pump electrical machinery aluminium end cap pressure oil seal structure, including outside framework oil seal (1) and aluminium end cap (2), it is characterised in that: aluminium end
The medial surface for covering (2) axially successively offers the seam allowance (2a) being connected, the oil sealing room for being packed into outside framework oil seal (1) along it
(2b) and bearing chamber (2c) for installing bearing (2d)；The opening of seam allowance (2a), oil sealing room (2b) and bearing chamber (2c) is in
Circle, and three is coaxially disposed；The internal diameter of seam allowance (2a), oil sealing room (2b) and bearing chamber (2c) is by seam allowance (2a) to bearing chamber
The direction (2c) is gradually reduced setting；Outside framework oil seal (1) is in a ring；The depth of oil sealing room (2b) is slightly larger than the width of outside framework oil seal (1)
Degree；The depth of bearing chamber (2c) and bearing (2d) width of prepackage are equal.
2. a kind of Oil pump electrical machinery aluminium end cap pressure oil seal structure according to claim 1, it is characterised in that: the oil sealing room
The internal diameter of (2b) is equal with the outer diameter of outside framework oil seal (1).
3. a kind of Oil pump electrical machinery aluminium end cap pressure oil seal structure according to claim 2, it is characterised in that: the oil sealing room
The edge of the open end (2b) is equipped with arc transition (2b1).
4. a kind of Oil pump electrical machinery aluminium end cap pressure oil seal structure according to claim 3, it is characterised in that: the outside framework oil seal
(1) edge of the one end contacted with oil sealing room (2b) bottom wall is equipped with chamfered transition (1a).
5. a kind of Oil pump electrical machinery aluminium end cap pressure oil seal structure according to claim 4, it is characterised in that: the outside framework oil seal
(1) silica gel is coated between the inner wall of outer wall and oil sealing room (2b).
6. a kind of Oil pump electrical machinery aluminium end cap pressure oil seal structure according to claim 5, it is characterised in that: the bearing chamber
The internal diameter of (2c) is the 2/3 of outside framework oil seal (1) outer diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820820874.5U CN208638149U (en) | 2018-05-30 | 2018-05-30 | A kind of Oil pump electrical machinery aluminium end cap pressure oil seal structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820820874.5U CN208638149U (en) | 2018-05-30 | 2018-05-30 | A kind of Oil pump electrical machinery aluminium end cap pressure oil seal structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208638149U true CN208638149U (en) | 2019-03-22 |
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ID=65732570
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820820874.5U Active CN208638149U (en) | 2018-05-30 | 2018-05-30 | A kind of Oil pump electrical machinery aluminium end cap pressure oil seal structure |
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| CN (1) | CN208638149U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165794A (en) * | 2019-05-27 | 2019-08-23 | 浙江万安科技股份有限公司 | For the sealing element and hub motor between motor stator and rotor |
-
2018
- 2018-05-30 CN CN201820820874.5U patent/CN208638149U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110165794A (en) * | 2019-05-27 | 2019-08-23 | 浙江万安科技股份有限公司 | For the sealing element and hub motor between motor stator and rotor |
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