CN201991865U - Oil pressure bar device of manual power tool - Google Patents
Oil pressure bar device of manual power tool Download PDFInfo
- Publication number
- CN201991865U CN201991865U CN2011200520402U CN201120052040U CN201991865U CN 201991865 U CN201991865 U CN 201991865U CN 2011200520402 U CN2011200520402 U CN 2011200520402U CN 201120052040 U CN201120052040 U CN 201120052040U CN 201991865 U CN201991865 U CN 201991865U
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- compression rod
- hydraulic pressure
- oil
- output
- input
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Abstract
The utility model provides an oil pressure bar device of a manual power tool, which mainly comprises an oil pressure bar body, an input shaft, an input end cap and an output shaft. The inside of the oil pressure bar body is provided with a through hydraulic oil groove; two ends of the oil pressure bar body are an input end and an output end respectively; the input shaft is arranged at the position of the input end in a penetrating manner and provided with an external thread section; the input end cap is screwed at the position of the input end; the center of the input end cap is provided with a power screw hole in a penetrating manner; the external thread section can be movably screwed in the power screw hole; the output shaft is arranged at the position of the output end in a penetrating manner; the output end and the output shaft are sleeved in a sealed manner by a fixing nut; and a manual tool can be mounted at one end penetrating out of the oil pressure bar body. By the aid of the independently arranged oil pressure bar body and the input end cap, the hydraulic oil groove can be polished and grinded conveniently, the problems of hydraulic leakage and insufficient output power caused by poor tightness are prevented, and assembly production can be facilitated more effectively.
Description
Technical field
The utility model is relevant with the oil compression rod device of manual power instrument, more detailed it, be to refer in particular to a kind of not good problems such as hydraulic leak, ouput force quantity not sufficient that cause of adaptation that prevent, more can be convenient to assemble the oil compression rod device of production.
Background technique
The manual power instrument of commonly using, as dismantle the dismounting that parts such as automobile clamp are used, assembling tool, because part itself needs big strength output, and be subjected to the influence of inner space limitation, utilize the manual drives oil hydraulic cylinder as power resources mostly, a kind of integral type oil compression rod device of commonly using shown in Fig. 1 drawing, it is provided with one in an oil compression rod main body 1 can be for the hydraulic pressure oil groove 2 of oil storage, and this oil compression rod main body 1 has a closed end and an open end, this closed end place is equipped with the power screw 4 that can establish for an input shaft 3 spiral shells along oil compression rod main body 1 axle center, this input shaft 3 is in the hydraulic pressure oil groove and be provided with an input piston spare 5; Wherein, this open end is equipped with an output shaft 6,6 of this open end and output shafts are with a hold-doun nut 7 sealing fits, and output shaft 6 is provided with an output piston spare 8 in hydraulic pressure oil groove 2 places, and are extended through this oil compression rod main body 1 outer end and can supply hand-operated tools spare (as the clamp demolition part) to install; Wherein, on this output shaft 6 and be arranged with one can be for the spring 9 of its elastic reset.
By this, when the user rotates this input shaft 3, spiral shell by input shaft 3 rotates work to drive the hydraulic oil that this input piston spare 5 promotes in the hydraulic pressure oil grooves 2, so that this output piston spare 8 and output shaft 6 generations one are made amount of power, to drive these hand-operated tools spare actions.
Yet, because this oil compression rod main body 1 is an integral type, its hydraulic pressure oil groove 2 is a deep hole in procedure for processing, when deep hole processing, its inner end (closed end) is located to stretch into long because of cutter easily, produce the processing tool marks in hydraulic pressure oil groove 2 wall places because of the machine operation vibrations easily, add hydraulic pressure oil groove 2 when polishing grinding disposing, hydraulic pressure oil groove 2 walls near more closed end place are difficult to grinding disposing more, cause input piston spare 5 when promoting hydraulic oil, not good because of the hydraulic pressure oil groove 2 wall uniformitys easily, and the generation leakage of oil, problems such as ouput force quantity not sufficient, even, also produce irregular edge in hydraulic pressure oil groove 2 and power screw 4 intersections easily because this power screw 4 is holed or screw thread adds man-hour, because of being positioned at the deep hole inboard, it is difficult to finishing, easier generation the problems referred to above.And when input shaft 3 pumpbacks, more can cause extraneous gas to enter hydraulic pressure oil groove 2, cause the back-suction quantity not sufficient, can't depend merely on spring 9 and drive output shafts 6 and reset.
Moreover, its oil compression rod main body 1 is the design of integral type, cause inner body all to need to assemble by evolution end place, can cause input shaft 3 relevant parts to be difficult to assembling comparatively speaking, and when not good as if the assembling quality of fit, must be earlier all parts of output shaft 6 sides be unloaded, could dismantle the part of input shaft 3 sides, cause the degree of difficulty of production, manufacturing and product examine to increase.
Summary of the invention
In view of addressing the above problem, the purpose of this utility model is, a kind of oil compression rod device of manual power instrument is provided, and it not only is convenient to processing, prevents the piston piece leakage of oil, loses heart, and is also simple in structure, easy assembly and disassembly.
For achieving the above object, the utility model discloses a kind of oil compression rod device of manual power instrument, it includes:
One oil compression rod main body, its inside have a hydraulic pressure oil groove that runs through, and the two ends of oil compression rod main body are respectively an input end and an output terminal;
One input shaft, it is arranged in this input end, and input shaft is provided with the input piston spare of a driving fit in this hydraulic pressure oil groove inwall place with respect to an end of hydraulic pressure oil groove, and wherein, this input shaft has an external thread section;
One input end cap, it is one to be screwed together in the lid of this input end, its central authorities are equipped with a power screw that screws togather for this external thread section activity; And
One output shaft, it is arranged in this output, with hold-doun nut sealing fit,, output shaft drives the output piston spare that output shaft and hand-operated tools spare move between this output terminal and output shaft thereby being provided with hydraulic pressure that a driving fit produced in to the hydraulic pressure oil groove by input shaft in this hydraulic pressure oil groove inwall place and when being extended through a end this oil compression rod main body outside for the oil of stores hydraulic pressure in this hydraulic pressure oil groove of on the other hand moving tool piece installing with respect to an end of hydraulic pressure oil groove.
Wherein, the input end outer rim of this oil compression rod main body is equipped with one for be spirally connected with it engage threads section of driving fit of this input end cap.
Wherein, the external diameter of this engage threads section forms a continuous surface less than oil compression rod main body external diameter with this input end exterior surface when this input end cap is bolted on it and oil compression rod main body outer surface.
Wherein, place, the end of this input piston spare is provided with at least one oil seal.
Wherein, place, the end of this output piston spare is provided with at least one oil seal.
Wherein, the side edge of this input piston spare is equipped with at least one and the seal ring driving fit of hydraulic pressure oil groove inwall.
Wherein, the side edge of this output piston spare is equipped with at least one and the seal ring driving fit of hydraulic pressure oil groove inwall.
Wherein, this input shaft is extended through the outer end of this oil compression rod main body and is provided with a tooling hole for force application rod installing.
Wherein, this hydraulic pressure oil groove is provided with an internal thread segment in output, and this hold-doun nut outer rim correspondence is provided with retaining thread, and this hold-doun nut is provided with a register hole that supplies output shaft to wear.
Wherein, be arranged with a spring on this output shaft, the two ends of this spring are resisted against hold-doun nut and output piston spare place respectively.
By said structure, the utility model can be realized following technique effect:
One, oil compression rod main body of the present utility model is adopted with the input end cap and is separated setting, and this hydraulic pressure oil groove runs through poroid for being, no matter when boring processing or polishing grinding, all can produce flat surface really, problem such as can not produce leakage of oil because of the adaptation of hydraulic oil trough wall surface, lose heart.
Two, this power screw is established as for this input end and is covered, and after screw thread machines, very is easy to finishing and removes irregular edge, can not influence the usefulness of oil compression rod.
Three, inner body of the present utility model can be respectively from input end and output installing, can simplify the degree of difficulty of assembling, also can be for convenience detach, maintenance or renewal part.
Four, this input piston spare and place, output piston spare end press the start except that respectively being provided with at least one oil seal fuel feeding, the side edge of this input piston spare and output piston spare and be equipped with at least one can with the seal ring of hydraulic pressure oil groove inwall driving fit, to promote the adaptation of input piston spare, output piston spare and hydraulic oil trough wall surface.
Five, the input end outer rim of this oil compression rod main body is equipped with an engage threads section, for the driving fit that is spirally connected with it of this input end cap, and the external diameter of this engage threads section is less than oil compression rod main body external diameter, make when this input end cap is bolted on it, this input end exterior surface and oil compression rod main body outer surface form a continuous surface, and outward appearance of the present utility model by this can keep integrality, avoid dirty fixing or the time collude his object of khaki in operation.
Description of drawings
Fig. 1: the generalized section of conventional oil depression bar.
Fig. 2: three-dimensional appearance schematic representation of the present utility model.
Fig. 3: three-dimensional appearance decomposing schematic representation of the present utility model.
Fig. 4: section action schematic representation () of the present utility model.
Fig. 5: section action schematic representation (two) of the present utility model.
Embodiment
For ease of explanation this case represented central idea in foregoing invention content one hurdle, express with specific embodiment now.Various different objects system is in the ratio that is suitable for exemplifying explanation among the embodiment, but not drawn in the ratio of actual components, close chat earlier bright.
Shown in Fig. 2～Fig. 4 drawing, the oil compression rod device of a kind of manual power instrument of the utility model, it consists predominantly of:
One oil compression rod main body 10, its inside have a hydraulic pressure oil groove 11 that runs through, and can supply stores hydraulic pressure oil in this hydraulic pressure oil groove 11, and the two ends of oil compression rod main body 10 are respectively an input end 12 and an output terminal 13; The outer rim of this input end 12 is equipped with an engage threads section 121;
One input shaft 20, it is arranged in this input end 12 places, input shaft 20 is provided with an input piston spare 21 with respect to an end of hydraulic pressure oil groove 11, the place, end of this input piston spare 21 is provided with at least one oil seal 211, with driving fit in these hydraulic pressure oil groove 11 inwall places, and the side edge of this input piston spare 21 be equipped with at least one can with the seal ring 212 of hydraulic pressure oil groove 11 inwall driving fits; Wherein, this input shaft 20 has an external thread section 201, and this input shaft 20 is extended through this oil compression rod main body 10 outer ends and is provided with a tooling hole 202, and this tooling hole 202 can be for a force application rod 50 installings;
One input end cap 30, it is one to be screwed together in the lid at these input end 12 engage threads sections 121 places, and its central authorities are equipped with a power screw 31, and this power screw 31 can screw togather for these external thread section 201 activities; Wherein, the external diameter of this engage threads section 121 makes when this input end cap 30 is spirally connected thereon that less than oil compression rod main body 10 external diameters its outer surface and oil compression rod main body 10 outer surfaces form a continuous surface; And
One output shaft 40, it is arranged in this output terminal 13 places, 40 of this output terminal 13 and output shafts are with a hold-doun nut 41 sealing fits, output shaft 40 is provided with an output piston spare 42 with respect to an end of hydraulic pressure oil groove 11, place, the end of this output piston spare 42 be provided with at least one oil seal 421 with driving fit in these hydraulic pressure oil groove 11 inwall places, and the side edge of this output piston spare 42 be equipped with at least one can with the seal ring 422 of hydraulic pressure oil groove 11 inwall driving fits; Wherein, output shaft 40 is extended through these oil compression rod main body 10 outer ends and can moves tool piece (figure does not show) installing for proficiency;
Moreover, this hydraulic pressure oil groove 11 is provided with an internal thread segment 131 in output terminal 13 places, these hold-doun nut 41 outer rim correspondences are provided with retaining thread 411, and this hold-doun nut 41 is provided with a register hole 412 that can supply output shaft 40 to wear, and be arranged with a spring 43 on this output shaft 40, the two ends of this spring 43 are resisted against hold-doun nut 41 and output piston spare 42 places respectively.
After understanding above-mentioned this case detailed structure, below describe in detail one by one at the operating principle of this case:
Shown in Fig. 4 and Fig. 5 drawing, when the user rotates this input shaft 20 when being screwed into toward hydraulic pressure oil groove 11 directions, by cooperating of external thread section 201 and power screw 31, along with the spiral shell rotation of input shaft 20 is done, this input piston spare 21 can progressively promote hydraulic oil in the hydraulic pressure oil groove 11, hydraulic pressure in the hydraulic pressure oil groove 11 is risen, and then to this output piston spare 42 and output shaft 40 generations one extrapolation strength, and make output shaft 40 stretch out in oil compression rod main body 10, to drive these hand-operated tools spare actions, and, can increase the arm of force length that the user rotates input shaft 20 by the setting of this force application rod 50, to reach the purpose of laborsaving driving and big strength output.
Otherwise, when the user rotates this input shaft 20 spiral shells goes out in the other direction toward hydraulic pressure oil grooves 11, hydraulic oil in 21 pairs of hydraulic pressure oil grooves of this input piston spare 11 produces a suction strength, and the hydraulic pressure in the hydraulic pressure oil groove 11 is descended, this output piston spare 42 and output shaft 40 being produced the inside strength of pulling, and since output shaft 40 when stretching out, these spring 43 stressed being compressed, can cooperate the elastic return strength of this spring 43 this moment, and make output shaft 40 smooth retractions in oil compression rod main body 10.
Oil compression rod main body 10 of the present utility model is adopted with input end cap 30 and is separated setting, this hydraulic pressure oil groove 11 runs through poroid for being, no matter when boring processing or polishing grinding, all can produce flat surface really, problem such as can not produce leakage of oil because of the adaptation of hydraulic pressure oil groove 11 walls, lose heart, and this power screw 31 establishes as on this input end cap 30, after screw thread machines, very be easy to finishing and remove irregular edge, can not influence the usefulness of oil compression rod.Moreover, inner body of the present utility model can be respectively from input end 12 and the installing of output terminal 13 places, can simplify the degree of difficulty of assembling, more can be for convenience detach, maintenance or renewal part.
Input piston spare 21 of the present utility model and place, output piston spare 42 ends press the start except that respectively being provided with oil seal 211,421 fuel feeding, the side edge of this input piston spare 21 and output piston spare 42 and be equipped with can with the seal ring 212,422 of hydraulic pressure oil groove 11 inwall driving fits, to promote the adaptation of input piston spare 21, output piston spare 42 and hydraulic pressure oil groove 11 walls.
And input end 12 outer rims of this oil compression rod main body 10 are equipped with engage threads section 121, for this input end cap 30 driving fit that is spirally connected with it, and the external diameter of this engage threads section 121 is less than oil compression rod main body 10 external diameters, make when this input end cap 30 is spirally connected thereon, these input end cap 30 outer surfaces and oil compression rod main body 10 outer surfaces form a continuous surface, outward appearance of the present utility model by this can keep integrality, avoids dirty fixing or the time colludes his object of khaki in operation, and can promote its aesthetic property.
Though this case is to do explanation with a most preferred embodiment, is skillful in this skill person and can makes various multi-form changes not breaking away under this case spirit and the category.Above illustrated embodiment is only in order to explanation this case, and is non-in order to limit the scope of this case.Such as do not disobey various modifications or the variation that this case spirit is engaged in, all belong to this case claim.
Claims (10)
1. the oil compression rod device of a manual power instrument is characterized in that including:
One oil compression rod main body, its inside have a hydraulic pressure oil groove that runs through, and the two ends of oil compression rod main body are respectively an input end and an output terminal;
One input shaft, it is arranged in this input end, and input shaft is provided with the input piston spare of a driving fit in this hydraulic pressure oil groove inwall place with respect to an end of hydraulic pressure oil groove, and wherein, this input shaft has an external thread section;
One input end cap, it is one to be screwed together in the lid of this input end, its central authorities are equipped with a power screw that screws togather for this external thread section activity; And
One output shaft, it is arranged in this output, with hold-doun nut sealing fit,, output shaft drives the output piston spare that output shaft and hand-operated tools spare move between this output terminal and output shaft thereby being provided with hydraulic pressure that a driving fit produced in to the hydraulic pressure oil groove by input shaft in this hydraulic pressure oil groove inwall place and when being extended through a end this oil compression rod main body outside for the oil of stores hydraulic pressure in this hydraulic pressure oil groove of on the other hand moving tool piece installing with respect to an end of hydraulic pressure oil groove.
2. the oil compression rod device of manual power instrument as claimed in claim 1 is characterized in that, the input end outer rim of this oil compression rod main body is equipped with one for be spirally connected with it engage threads section of driving fit of this input end cap.
3. the oil compression rod device of manual power instrument as claimed in claim 2, it is characterized in that the external diameter of this engage threads section forms a continuous surface less than oil compression rod main body external diameter with this input end exterior surface when this input end cap is bolted on it and oil compression rod main body outer surface.
4. the oil compression rod device of manual power instrument as claimed in claim 1 is characterized in that, the place, end of this input piston spare is provided with at least one oil seal.
5. the oil compression rod device of manual power instrument as claimed in claim 1 is characterized in that, the place, end of this output piston spare is provided with at least one oil seal.
6. the oil compression rod device of manual power instrument as claimed in claim 1 is characterized in that, the side edge of this input piston spare is equipped with at least one and the seal ring driving fit of hydraulic pressure oil groove inwall.
7. the oil compression rod device of manual power instrument as claimed in claim 1 is characterized in that, the side edge of this output piston spare is equipped with at least one and the seal ring driving fit of hydraulic pressure oil groove inwall.
8. the oil compression rod device of manual power instrument as claimed in claim 1 is characterized in that, this input shaft is extended through the outer end of this oil compression rod main body and is provided with a tooling hole for force application rod installing.
9. the oil compression rod device of manual power instrument as claimed in claim 1, it is characterized in that, this hydraulic pressure oil groove is provided with an internal thread segment in output, and this hold-doun nut outer rim correspondence is provided with retaining thread, and this hold-doun nut is provided with a register hole that supplies output shaft to wear.
10. the oil compression rod device of manual power instrument as claimed in claim 1 is characterized in that, is arranged with a spring on this output shaft, and the two ends of this spring are resisted against hold-doun nut and output piston spare place respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200520402U CN201991865U (en) | 2011-03-02 | 2011-03-02 | Oil pressure bar device of manual power tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200520402U CN201991865U (en) | 2011-03-02 | 2011-03-02 | Oil pressure bar device of manual power tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201991865U true CN201991865U (en) | 2011-09-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200520402U Expired - Fee Related CN201991865U (en) | 2011-03-02 | 2011-03-02 | Oil pressure bar device of manual power tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201991865U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654151A (en) * | 2011-03-02 | 2012-09-05 | 王明郁 | Oil pressure rod device for manual power tool |
| CN102672692A (en) * | 2012-05-25 | 2012-09-19 | 黄石职业技术学院 | Hydraulic device |
-
2011
- 2011-03-02 CN CN2011200520402U patent/CN201991865U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102654151A (en) * | 2011-03-02 | 2012-09-05 | 王明郁 | Oil pressure rod device for manual power tool |
| CN102654151B (en) * | 2011-03-02 | 2014-08-27 | 王明郁 | Oil pressure rod device for manual power tool |
| CN102672692A (en) * | 2012-05-25 | 2012-09-19 | 黄石职业技术学院 | Hydraulic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110928 Termination date: 20130302 |