CN204984876U - Oil pump with anti -lock axle sleeve - Google Patents
Oil pump with anti -lock axle sleeve Download PDFInfo
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- CN204984876U CN204984876U CN201520527425.8U CN201520527425U CN204984876U CN 204984876 U CN204984876 U CN 204984876U CN 201520527425 U CN201520527425 U CN 201520527425U CN 204984876 U CN204984876 U CN 204984876U
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- axle sleeve
- pump
- internal tooth
- oil
- cover
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Abstract
The utility model relates to an oil pump especially indicates an oil pump with anti -lock axle sleeve, including the pump body, internal tooth dabber, external tooth cover, fixed axle and anti -lock axle sleeve, anti -lock bushing installation one end in the pump body, the axial region of internal tooth dabber cup joints in the anti -lock axle sleeve, the tooth of internal tooth dabber is deployed in the pump body to and form two oil pockets between the two lateral cavity walls of the pump body, the oil inlet and the oil -out of two above -mentioned oil pockets of intercommunication are left respectively to pump body bottom both sides, the external tooth cover cup joints the setting in the tooth portion of internal tooth dabber to tooth portion meshing with the internal tooth dabber, fixed axle one end is cup jointed and is installed in the external tooth cover, and the other end is pegged graft and is fixed the other end in the pump body, it has a plurality of graphite column evenly to inlay on the anti -lock axle sleeve inner wall. The advantage: simple structure, it is effectual when having prevented long -time use, the phenomenon of locking, the emergence of having stopped dangerous accident can take place between the internal tooth dabber and the pump body.
Description
Technical field
The utility model relates to a kind of oil pump, refers to a kind of oil pump with anti-lock axle sleeve especially.
Background technique
At present, in oil pump, internal tooth mandrel adopts copper bush to coordinate with between the pump housing usually, in long-time using process, because of other factors such as high temperature, the situation of locking can occur between internal tooth mandrel and the pump housing, and the lighter affects the normal work of whole oil pump, severe patient, cause distortion or the damage of internal tooth mandrel or the pump housing, cause the cost of maintain and replace to increase.
Model utility content
Technical problem to be solved in the utility model is to provide a kind of oil pump with anti-lock axle sleeve, effectively solve the oil pump of prior art in use, internal tooth mandrel and the pump housing adopt copper bush to coordinate usually, in long-time using process, can there is the situation of locking in other factors such as Yin Gaowen between internal tooth mandrel and the pump housing, the lighter affects the normal work of whole oil pump, severe patient, causes distortion or the damage of internal tooth mandrel or the pump housing, causes the defect that the cost of maintain and replace increases.
The technological scheme that the utility model solves the problems of the technologies described above is as follows: a kind of oil pump with anti-lock axle sleeve, comprise the pump housing, internal tooth mandrel, external tooth cover, stationary axle and anti-lock axle sleeve, above-mentioned anti-lock axle sleeve is arranged on one end in the pump housing, the axle portion of above-mentioned internal tooth mandrel is socketed in anti-lock axle sleeve, the teeth portion of above-mentioned internal tooth mandrel is placed in the pump housing, and and form two oil pockets between chamber, the both sides wall of the pump housing, above-mentioned pump housing two bottom sides has the filler opening and oil outlet that are communicated with above-mentioned two oil pockets, the socket of aforementioned external teeth cover is arranged in the teeth portion of internal tooth mandrel, and engage with the teeth portion of internal tooth mandrel, the socket of above-mentioned stationary axle one end is arranged in external tooth cover, the other end grafting is fixed on the other end in the pump housing, above-mentioned anti-lock sleeve lining is evenly inlaid with some graphite columns.
The teeth portion of above-mentioned internal tooth mandrel and external tooth cover are that eccentric disalignment is arranged, and form an oil collecting zone between the teeth portion of external tooth cover and internal tooth mandrel.
Be set with axle sleeve in aforementioned external teeth cover, above-mentioned stationary axle one end is socketed in this axle sleeve.
The above-mentioned pump housing comprises connecting base, pump case and pump cover, the interior edge face of above-mentioned connecting base and one end end face of pump case are connected and fixed, above-mentioned pump cover is arranged on the other end end face of pump case, above-mentioned anti-lock axle sleeve is arranged in connecting base, the axle portion of above-mentioned internal tooth mandrel is socketed in anti-lock axle sleeve, the teeth portion of above-mentioned internal tooth mandrel is placed in pump case, and and between pump case, form two oil pockets, above-mentioned filler opening and oil outlet are separately positioned on the bottom of pump case, and being communicated with above-mentioned two oil pockets respectively, one end grafting that above-mentioned stationary axle deviates from external tooth cover is fixed in pump cover.
The beneficial effects of the utility model are:
The oil pump structure with anti-lock axle sleeve of the present utility model is simple, effectively prevents when using for a long time, the phenomenon of locking can occur between internal tooth mandrel and the pump housing, stopped the generation of dangerous accident.
Accompanying drawing explanation
Fig. 1 is the axial direction cross-sectional view with the oil pump of anti-lock axle sleeve of the present utility model;
Fig. 2 is the cross-sectional view along pump case end face direction with the oil pump of anti-lock axle sleeve of the present utility model;
Fig. 3 is the cross-sectional view with the anti-lock axle sleeve of the oil pump of anti-lock axle sleeve of the present utility model.
In accompanying drawing, the list of parts representated by each label is as follows:
1, the pump housing, 2, internal tooth mandrel, 3, external tooth cover, 4, stationary axle, 5, anti-lock axle sleeve, 6, filler opening, 7, oil outlet, 8, graphite column, 11, connecting base, 12, pump case, 13, pump cover.
Embodiment
Be described principle of the present utility model and feature below in conjunction with accompanying drawing, example, only for explaining the utility model, is not intended to limit scope of the present utility model.
Embodiment: as shown in Figures 1 to 3, the oil pump with anti-lock axle sleeve of the present utility model comprises the pump housing 1, internal tooth mandrel 2, external tooth cover 3, stationary axle 4 and anti-lock axle sleeve 5, above-mentioned anti-lock axle sleeve 5 is arranged on one end in the pump housing 1, the axle portion of above-mentioned internal tooth mandrel 2 is socketed in anti-lock axle sleeve 5, the teeth portion of above-mentioned internal tooth mandrel 2 is placed in the pump housing 1, and and form two oil pockets between chamber, the both sides wall of the pump housing 1, the above-mentioned pump housing 1 two bottom sides has the filler opening 6 and oil outlet 7 that are communicated with above-mentioned two oil pockets, aforementioned external teeth cover 3 socket is arranged in the teeth portion of internal tooth mandrel 2, and engage with the teeth portion of internal tooth mandrel 2, the socket of above-mentioned stationary axle 4 one end is arranged in external tooth cover 3, the other end grafting is fixed on the other end in the pump housing 1, above-mentioned anti-lock axle sleeve 5 inwall is evenly inlaid with some graphite columns 8.
The teeth portion of above-mentioned internal tooth mandrel 2 and external tooth cover 3 are that eccentric disalignment is arranged, and form an oil collecting zone between the teeth portion of external tooth cover 3 and internal tooth mandrel 2.
Be set with axle sleeve in aforementioned external teeth cover 3, above-mentioned stationary axle 4 one end is socketed in this axle sleeve.
The above-mentioned pump housing 1 comprises connecting base 11, pump case 12 and pump cover 13, the interior edge face of above-mentioned connecting base 11 and one end end face of pump case 12 are connected and fixed, above-mentioned pump cover 13 is arranged on the other end end face of pump case 12, above-mentioned anti-lock axle sleeve 5 is arranged in connecting base 11, the axle portion of above-mentioned internal tooth mandrel 2 is socketed in anti-lock axle sleeve 5, the teeth portion of above-mentioned internal tooth mandrel 2 is placed in pump case 12, and and between pump case 12, form two oil pockets, above-mentioned filler opening 6 and oil outlet 7 are separately positioned on the bottom of pump case 12, and be communicated with above-mentioned two oil pockets respectively, one end grafting that above-mentioned stationary axle 4 deviates from external tooth cover 3 is fixed in pump cover 13.
The oil pump with anti-lock axle sleeve of the present embodiment in the course of the work, the axle portion of internal tooth mandrel 2 is driven to rotate by drive motor, thus drive the external tooth cover 3 engaged with the teeth portion of internal tooth mandrel 2 to rotate, because the teeth portion of external tooth cover 3 and internal tooth mandrel 2 is that eccentric disalignment arranges installation, an oil collecting zone is formed between external tooth cover 3 and internal tooth mandrel 2, in internal tooth mandrel 2 rotation process, between the teeth portion of external tooth cover 3 and internal tooth mandrel 2, engagement rotation forms suction, fluid medium enters into the side oil pocket of pump case 12 from the filler opening 6 bottom pump case 12, under above-mentioned suction, medium lubricant oil is drawn to oil collecting zone between internal tooth mandrel 2 teeth portion and external tooth cover 2 from the engagement driving gap location between the teeth portion and external tooth cover 2 of internal tooth mandrel 2, rear fluid medium enters in the opposite side oil pocket that pump case 12 and the teeth portion of internal tooth mandrel 2 formed by oil collecting zone by the gap of internal tooth mandrel 2 teeth portion opposite side again, when fluid medium runs up to a certain degree in this oil pocket, exporting through oil outlet 7 imports in application apparatus, complete the flow process of whole fluid medium, in above process, in internal tooth mandrel 2 rotation process, because of the characteristic of graphite column 8 between axle portion and anti-lock axle sleeve 5, sufficient lubrication between the two, the situation of locking can not be there is.
The oil pump structure with anti-lock axle sleeve of the present utility model is simple, effectively prevents when using for a long time, the phenomenon of locking can occur between internal tooth mandrel and the pump housing, stopped the generation of dangerous accident.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (4)
1. one kind has the oil pump of anti-lock axle sleeve, it is characterized in that: comprise the pump housing (1), internal tooth mandrel (2), external tooth cover (3), stationary axle (4) and anti-lock axle sleeve (5), described anti-lock axle sleeve (5) is arranged on the pump housing (1) interior one end, the axle portion of described internal tooth mandrel (2) is socketed in anti-lock axle sleeve (5), the teeth portion of described internal tooth mandrel (2) is placed in the pump housing (1), and and form two oil pockets between chamber, the both sides wall of the pump housing (1), the described pump housing (1) two bottom sides has the filler opening (6) and oil outlet (7) that are communicated with above-mentioned two oil pockets, described external tooth cover (3) socket is arranged in the teeth portion of internal tooth mandrel (2), and engage with the teeth portion of internal tooth mandrel (2), the socket of described stationary axle (4) one end is arranged in external tooth cover (3), the other end grafting is fixed on the pump housing (1) the interior the other end, described anti-lock axle sleeve (5) inwall is evenly inlaid with some graphite columns (8).
2. the oil pump with anti-lock axle sleeve according to claim 1, it is characterized in that: the teeth portion of described internal tooth mandrel (2) and external tooth cover (3) are arranged for eccentric disalignment, and form an oil collecting zone between the teeth portion of external tooth cover (3) and internal tooth mandrel (2).
3. a kind of oil pump with anti-lock axle sleeve according to claim 2, it is characterized in that: described external tooth cover is set with axle sleeve in (3), described stationary axle (4) one end is socketed in this axle sleeve.
4. a kind of oil pump with anti-lock axle sleeve according to any one of claims 1 to 3, it is characterized in that: the described pump housing (1) comprises connecting base (11), pump case (12) and pump cover (13), the interior edge face of described connecting base (11) and one end end face of pump case (12) are connected and fixed, described pump cover (13) is arranged on the other end end face of pump case (12), described anti-lock axle sleeve (5) is arranged in connecting base (11), the axle portion of described internal tooth mandrel (2) is socketed in anti-lock axle sleeve (5), the teeth portion of described internal tooth mandrel (2) is placed in pump case (12), and and form two oil pockets between pump case (12), described filler opening (6) and oil outlet (7) are separately positioned on the bottom of pump case (12), and be communicated with described two oil pockets respectively, one end grafting that described stationary axle (4) deviates from external tooth cover (3) is fixed in pump cover (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520527425.8U CN204984876U (en) | 2015-07-20 | 2015-07-20 | Oil pump with anti -lock axle sleeve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520527425.8U CN204984876U (en) | 2015-07-20 | 2015-07-20 | Oil pump with anti -lock axle sleeve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204984876U true CN204984876U (en) | 2016-01-20 |
Family
ID=55119251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520527425.8U Active CN204984876U (en) | 2015-07-20 | 2015-07-20 | Oil pump with anti -lock axle sleeve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204984876U (en) |
-
2015
- 2015-07-20 CN CN201520527425.8U patent/CN204984876U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |