CN104308768A - Piston tightening mechanism - Google Patents
Piston tightening mechanism Download PDFInfo
- Publication number
- CN104308768A CN104308768A CN201410502905.9A CN201410502905A CN104308768A CN 104308768 A CN104308768 A CN 104308768A CN 201410502905 A CN201410502905 A CN 201410502905A CN 104308768 A CN104308768 A CN 104308768A
- Authority
- CN
- China
- Prior art keywords
- piston
- described piston
- locking nut
- adjustment axle
- axle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C11/00—Pivots; Pivotal connections
- F16C11/04—Pivotal connections
- F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
- F16C11/0695—Mounting of ball-joints, e.g. fixing them to a connecting rod
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The invention discloses a piston tightening mechanism. The piston tightening mechanism comprises a lifting plate, a support and a piston; the bottom end of the lifting plate is of a semicircular structure; the support is perpendicular to the piston; the support is positioned at the upper end of the piston; the upper end of the piston is provided with a notch; the shape of the notch is consistent with the shape of the piston; the right end of the piston is provided with a notch, and the piston is connected with a connecting rod through the notch; the front end of the connecting rod is of a spherical structure; the notch at the upper end of the piston is connected with a piston regulating shaft; the lower half section of the piston regulating shaft is positioned in the piston, and the upper half section of the piston is exposed at the upper end of the piston; the piston tightening mechanism also comprises a shaft sleeve arranged at the top end of the piston regulating shaft; two small locking nuts are arranged below the shaft sleeve, and are respectively positioned on two sides of the piston regulating shaft; two adjusting barrels are arranged below the small locking nuts and are respectively positioned on two sides of the piston regulating shaft.
Description
Technical field
The present invention relates to fixture field of mechanical technique, especially technical field of bearings, specifically relate to a kind of piston retention mechanism.
Background technology
In machine-building process, be used for fixing processing object, make it to occupy correct position, to accept the device of constructing or detecting, also known as jig.In a broad sense, any operation in technical process, is used for rapidly, installs easily and safely the device of workpiece, all can be described as fixture.Such as weld jig, inspection jig, assembling jig, jig etc.Wherein jig is the most common, often referred to as fixture.On lathe during processing work, the dimensions reaching drawing for making the surface energy of workpiece and specify, geometry and with the technical requirements such as the relative-position error on other surfaces, workpiece must be installed (location) before processing, clip (clamping).Fixture is usually by compositions such as setting element (determining the tram of workpiece in fixture), clamping device, tool setting induction element (determine the relative position of cutter and workpiece or guide tool orientation), indexing means (make workpiece can complete the processing of several station in once mounting, have circular index device and rectilinear movement indexing means two class), Connection Element and clamp bodies (clamp base).
For technical field of bearings, piston is absolutely necessary one of machinery, the good and bad direct efficiency affecting work that piston is fixed, and the length of general its internal piston of piston is in stationary state, therefore convenient not when needs adjustment piston rod length.
Summary of the invention
The object of this invention is to provide a kind of piston retention mechanism to make up the deficiency of above technology, make when the work of piston, to keep good fixing, and internal piston cavity can extend or shorten, and increases work efficiency.
The technical scheme that the present invention adopts for its technical problem of solution is:
A kind of piston retention mechanism, it comprises lifter plate, bearing and piston, described lifter plate bottom is semicircle shape structure, its middle-end is rectangular structure, its upper end is rectangular structure, and its upper end is vertical with its middle-end arranges, described bearing is vertical with described piston to be arranged, this bearing is positioned at the upper end of described piston, described piston is cube structure or cylindrical structural, its inside is hollow-core construction, its upper end is provided with gap, the shape of this gap is consistent with the shape of described piston, the right-hand member of described piston is provided with gap, connecting rod is connected with by this gap, this connecting rod front end is chondritic, its middle-end and rear end form sector structure, piston adjustment axle is connected with at the opening position of described piston upper end, the shape of this piston adjustment axle is consistent with the shape of this gap described, the lower semisection of this piston adjustment axle is in the inside of described piston, the exposed upper end at described piston of its upper semisection.
Also comprise the axle sleeve being arranged on described piston adjustment axle top, this axle sleeve is wrapped in the top of described piston adjustment axle, the below of described axle sleeve is provided with little locking nut, this little locking nut has two, lay respectively at the both sides of described piston adjustment axle, the below of described little locking nut is provided with adjustment swivel nut, and this adjustment swivel nut is two, lays respectively at the both sides of described piston adjustment axle.
The further technical scheme of the present invention is provided with large locking nut above described bearing, and this large locking nut has two, and it is cylindrical structural, and this large locking nut lays respectively at the both sides that described piston tightly adjusts axle.The right side of described piston adjustment axle is provided with locking nut, and this locking nut is fixed on the upper end of described piston by rotating, and is connected with clamping screw on this locking nut, and this clamping screw and this locking nut are used in combination.The length of described piston adjustment axle lower semisection is height and the described piston upper end thickness sum of described internal piston hollow-core construction.
The invention has the advantages that: this piston retention mechanism adjusts the length of internal piston cavity by piston adjustment axle, thus produce different power when ensureing that connecting rod rotates up and down, increase work efficiency, this piston retention mechanism can adjust the height of piston by lifter plate, handled easily personnel use in a variety of contexts.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of piston retention mechanism that the present invention proposes, wherein: 1, lifter plate, and 2, bearing, 3, piston, 4, connecting rod, 5, piston adjustment axle, 6, axle sleeve, 7, little locking nut, 8, swivel nut is adjusted, 9, large locking nut, 10, locking nut, 11, clamping screw.
Detailed description of the invention
The technological means realized to make the present invention, creation characteristic, reaching object and effect is easy to understand, below in conjunction with diagram and specific embodiment, setting forth the present invention further.
As shown in Figure 1, a kind of piston retention mechanism that the present invention proposes, it comprises lifter plate 1, bearing 2 and piston 3, described lifter plate 1 bottom is semicircle shape structure, its middle-end is rectangular structure, its upper end is rectangular structure, and its upper end is vertical with its middle-end arranges, described bearing 2 is vertical with described piston 3 to be arranged, this bearing 2 is positioned at the upper end of described piston 3, described piston 3 is cube structure or cylindrical structural, its inside is hollow-core construction, its upper end is provided with gap, the shape of this gap is consistent with the shape of described piston 3, the right-hand member of described piston 3 is provided with gap, connecting rod 4 is connected with by this gap, this connecting rod 4 front end is chondritic, its middle-end and rear end form sector structure, piston adjustment axle 5 is connected with at the opening position of described piston 3 upper end, the shape of this piston adjustment axle 5 is consistent with the shape of this gap described, the lower semisection of this piston adjustment axle 5 is in the inside of described piston, the exposed upper end at described piston 3 of its upper semisection.
Also comprise the axle sleeve 6 being arranged on described piston adjustment axle 5 top, this axle sleeve 6 is wrapped in the top of described piston adjustment axle 5, the below of described axle sleeve 6 is provided with little locking nut 7, this little locking nut 7 has two, lay respectively at the both sides of described piston adjustment axle 5, be provided with adjustment swivel nut 8 in the below of described little locking nut 7, this adjustment swivel nut 8 is two, lays respectively at the both sides of described piston adjustment axle 5.
The further technical scheme of the present invention is, above described bearing 2, be provided with large locking nut 9, and this large locking nut 9 has two, and it is cylindrical structural, and this large locking nut 9 lays respectively at the both sides of described piston adjustment axle 5.The right side of described piston adjustment axle 5 is provided with locking nut 10, and this locking nut 10 by rotating the upper end being fixed on described piston 3, and is connected with clamping screw 11 on this locking nut 10, and this clamping screw 11 is used in combination with this locking nut 10.The length of described piston adjustment axle 5 lower semisection is height and the described piston 5 upper end thickness sum of described piston 3 boring structure.
In sum, this piston retention mechanism adjusts the length of piston 3 internal cavity by piston adjustment axle 5, thus produce different power when ensureing that connecting rod about 4 rotates, increase work efficiency, this piston retention mechanism can adjust the height of piston by lifter plate 1, handled easily personnel use in a variety of contexts.
More than show and describe general principle of the present invention, principal character and advantage of the present invention.The technical staff of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and description just illustrates principle of the present invention; the present invention also has various changes and modifications without departing from the spirit and scope of the present invention, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (4)
1. a piston retention mechanism, it is characterized in that: comprise lifter plate, bearing and piston, described lifter plate bottom is semicircle shape structure, its middle-end is rectangular structure, its upper end is rectangular structure, and its upper end is vertical with its middle-end arranges, described bearing is vertical with described piston to be arranged, this bearing is positioned at the upper end of described piston, described piston is cube structure or cylindrical structural, its inside is hollow-core construction, its upper end is provided with gap, the shape of this gap is consistent with the shape of described piston, the right-hand member of described piston is provided with gap, connecting rod is connected with by this gap, this connecting rod front end is chondritic, its middle-end and rear end form sector structure, piston adjustment axle is connected with at the opening position of described piston upper end, the shape of this piston adjustment axle is consistent with the shape of this gap described, the lower semisection of this piston adjustment axle is in the inside of described piston, the exposed upper end at described piston of its upper semisection,
Also comprise the axle sleeve being arranged on described piston adjustment axle top, this axle sleeve is wrapped in the top of described piston adjustment axle, the below of described axle sleeve is provided with little locking nut, this little locking nut has two, lay respectively at the both sides of described piston adjustment axle, the below of described little locking nut is provided with adjustment swivel nut, and this adjustment swivel nut is two, lays respectively at the both sides of described piston adjustment axle.
2. a kind of piston retention mechanism according to claim 1, is characterized in that: above described bearing, be provided with large locking nut, and this large locking nut has two, and it is cylindrical structural, and this large locking nut lays respectively at the both sides of described piston adjustment axle.
3. a kind of piston retention mechanism according to claim 1, it is characterized in that: the right side of described piston adjustment axle is provided with locking nut, this locking nut is fixed on the upper end of described piston by rotating, and clamping screw is connected with on this locking nut, this clamping screw and this locking nut are used in combination.
4. a kind of piston retention mechanism according to claim 1, is characterized in that: the length of described piston adjustment axle lower semisection is height and the described piston upper end thickness sum of described internal piston hollow-core construction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410502905.9A CN104308768B (en) | 2014-09-26 | 2014-09-26 | A kind of piston retention mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410502905.9A CN104308768B (en) | 2014-09-26 | 2014-09-26 | A kind of piston retention mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104308768A true CN104308768A (en) | 2015-01-28 |
| CN104308768B CN104308768B (en) | 2017-06-23 |
Family
ID=52364150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410502905.9A Expired - Fee Related CN104308768B (en) | 2014-09-26 | 2014-09-26 | A kind of piston retention mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104308768B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1180603A2 (en) * | 2000-08-09 | 2002-02-20 | A. Römheld GmbH & Co KG | Support member |
| CN1886231A (en) * | 2004-03-08 | 2006-12-27 | 帕斯卡工程株式会社 | Clamp device and method |
| CN102319785A (en) * | 2011-08-02 | 2012-01-18 | 济南铸造锻压机械研究所有限公司 | Single-action type variable length connecting rod and crank-connecting rod transmission mechanism |
| DE202012003762U1 (en) * | 2012-04-16 | 2012-05-09 | Gabriele Vogel | collet clamping |
| DE102010051573A1 (en) * | 2010-11-18 | 2012-05-24 | De-Sta-Co Europe Gmbh | Clamping device, has guide roll arranged at control mechanism sided end of piston, and guide formed of guide elements arranged in respective head piece and housing, where one guide element is connected with cylinder cover |
| CN204123302U (en) * | 2014-09-26 | 2015-01-28 | 嘉善五洲无油轴承有限公司 | A kind of piston retention mechanism |
-
2014
- 2014-09-26 CN CN201410502905.9A patent/CN104308768B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1180603A2 (en) * | 2000-08-09 | 2002-02-20 | A. Römheld GmbH & Co KG | Support member |
| CN1886231A (en) * | 2004-03-08 | 2006-12-27 | 帕斯卡工程株式会社 | Clamp device and method |
| DE102010051573A1 (en) * | 2010-11-18 | 2012-05-24 | De-Sta-Co Europe Gmbh | Clamping device, has guide roll arranged at control mechanism sided end of piston, and guide formed of guide elements arranged in respective head piece and housing, where one guide element is connected with cylinder cover |
| CN102319785A (en) * | 2011-08-02 | 2012-01-18 | 济南铸造锻压机械研究所有限公司 | Single-action type variable length connecting rod and crank-connecting rod transmission mechanism |
| DE202012003762U1 (en) * | 2012-04-16 | 2012-05-09 | Gabriele Vogel | collet clamping |
| CN204123302U (en) * | 2014-09-26 | 2015-01-28 | 嘉善五洲无油轴承有限公司 | A kind of piston retention mechanism |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104308768B (en) | 2017-06-23 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20170623 Termination date: 20170926 |