CN103257014A - Piston mechanism with breakdown protection device - Google Patents
Piston mechanism with breakdown protection device Download PDFInfo
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- CN103257014A CN103257014A CN2013101179141A CN201310117914A CN103257014A CN 103257014 A CN103257014 A CN 103257014A CN 2013101179141 A CN2013101179141 A CN 2013101179141A CN 201310117914 A CN201310117914 A CN 201310117914A CN 103257014 A CN103257014 A CN 103257014A
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- piston
- piston rod
- breakdown protection
- breakdown
- protection device
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- 230000015556 catabolic process Effects 0.000 title claims abstract description 45
- 230000007246 mechanism Effects 0.000 title claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims description 30
- 230000000694 effects Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 230000001934 delay Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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Abstract
The invention relates to a piston mechanism with a breakdown protection device. The piston mechanism with the breakdown protection device comprises a piston cylinder, a piston rod and a detachable piston rod tray arranged at the top end of the piston rod, one end, provided with the piston rod tray, of the piston rod stretches into the piston cylinder, a breakdown protection sleeve is further arranged on the piston rod, the breakdown protection sleeve is arranged outside the piston rod in a sleeved mode, and the distance between the outer wall of the breakdown protection sleeve and the inner wall of the piston cylinder is less than 3 millimeters. The piston mechanism with the breakdown protection device has the advantages that due to the addition of the breakdown protection device of the piston rod, the clearance between the inner hole of the breakdown protection device of the piston rod and a piston seat is enabled to be reduced to 1.5 millimeters. Therefore, the piston rod is enabled not to be broken under the same situation, and normal operation of a piston-type pressure gauge is ensured.
Description
Technical field
The present invention relates to a kind of pressure vacuum gage, particularly relate to a kind of piston mechanism that has the breakdown protective device of pressure vacuum gage.
Background technology
In the prior art, the piston mechanism of pressure vacuum gage generally stands the frame surface at piston gage, with frame surface perpendicular to horizontal level.Detachable piston rod pallet and piston cylinder are equipped with in the top, and the tolerance clearance of standard is arranged between piston rod and the piston cylinder, piston rod about can doing among the piston cylinder, rotatablely move.When work, put hanging basket, install counterweight according to the mensuration demand additional at hanging basket, when piston rod is subjected to the fluid power effect, promote piston rod and be promoted to necessary requirement, at this moment, in the time of need installing or reduce counterweight quantity additional, as operate the existing improper verticality that occurs than large deviation, piston rod holds can't stand that then breakdown appears in piston rod than the large deviation angle.Why can have than the large deviation angle, because the hanging basket height has 157MM, there is poor 25MM in the gap of the diameter of its endoporus and piston seat.The piston gage of this moment just loses the effect of detection, can only treat to go plunger bar and piston cylinder again, but expensive, and certain cyclic recovery is arranged, and influences normal operation, work delays.
Summary of the invention
The present invention is exactly in order to address the above problem, and overcomes the existing problem of pressure vacuum gage in the prior art, the invention provides a kind of piston mechanism of breakdown protective device that has to satisfy the demands.
To achieve these goals, technical scheme of the present invention is as follows:
A kind of piston mechanism that has the breakdown protective device; comprise piston cylinder, piston rod and be arranged at dismountable piston rod pallet on piston rod top; the end that described piston rod is provided with the piston rod pallet stretches in the piston cylinder; it is characterized in that; also be provided with the breakdown protective sleeve on the described piston rod; described breakdown protective sleeve is set in outside the piston rod, and the distance between the outer wall of described breakdown protective sleeve and the piston cylinder inwall is less than 3mm.
Above-mentioned a kind of piston mechanism that has the breakdown protective device is characterized in that the distance between the outer wall of described breakdown protective sleeve and the piston cylinder inwall is less than 1.5mm.
Above-mentioned a kind of piston mechanism that has the breakdown protective device is characterized in that described breakdown protective sleeve is connected on the outer wall of piston rod by the bearing at two ends.
Above-mentioned a kind of piston mechanism that has the breakdown protective device is characterized in that described breakdown protective sleeve is connected on the outer wall of piston rod by the key at two ends.
The invention has the beneficial effects as follows: install protection piston rod breakdown device additional, make the difference gap between its endoporus and the piston seat narrow down to 1.5MM, if like this under kindred circumstances, guarantee that piston rod can not be subjected to breakdown, thereby guarantee the normal operation of piston gage.
Description of drawings
Fig. 1 is the structural representation of prior art piston mechanism;
Fig. 2 is structural representation of the present invention.
Embodiment
For technological means, creation characteristic that the present invention is realized, reach purpose and effect is easy to understand, below in conjunction with concrete diagram, further set forth the present invention.
Referring to Fig. 1, Fig. 1 is the structural representation of prior art piston mechanism, comprise piston cylinder 100, piston rod 200 and be arranged at dismountable piston rod pallet 210 on piston rod 200 tops, the end that piston rod 200 is provided with piston rod pallet 210 stretches in the piston cylinder 100.In the time of work, in the time of need installing or reduce counterweight quantity additional, as operate the existing improper verticality that occurs than large deviation, piston rod 200 holds can't stand that then breakdown appears in piston rod than the large deviation angle.Why can have than the large deviation angle, because the hanging basket height has 157MM, there is poor 25MM in the gap of the diameter of its endoporus and piston seat.The piston gage of this moment just loses the effect of detection, can only treat to go plunger bar and piston cylinder again, but expensive, and certain cyclic recovery is arranged, and influences normal operation, work delays.
Referring to Fig. 2, Fig. 2 is structural representation of the present invention.
A kind of piston mechanism that has the breakdown protective device; comprise piston cylinder 100; piston rod 200 and the dismountable piston rod pallet 210 that is arranged at piston rod 200 tops; the end that piston rod 200 is provided with piston rod pallet 210 stretches in the piston cylinder 100; also be provided with breakdown protective sleeve 220 on the piston rod 200; breakdown protective sleeve 220 is set in outside the piston rod 200; distance between the outer wall of breakdown protective sleeve 220 and piston cylinder 100 inwalls is less than 3mm; and in one of them optimal way of the present invention, the distance between the outer wall of breakdown protective sleeve 220 and piston cylinder 100 inwalls is less than 1.5mm.
Breakdown protective sleeve 220 is connected on the outer wall of piston rod 200 by the bearing 230 at two ends, and breakdown protective sleeve 220 also can be connected on the outer wall of piston rod 200 by the key at two ends.
The invention has the beneficial effects as follows: install protection piston rod breakdown device additional, make the difference gap between its endoporus and the piston seat narrow down to 1.5MM, if like this under kindred circumstances, guarantee that piston rod can not be subjected to breakdown, thereby guarantee the normal operation of piston gage.
More than show and described ultimate principle of the present invention, principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that describes in above-described embodiment and the instructions 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.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (4)
1. piston mechanism that has the breakdown protective device; comprise piston cylinder, piston rod and be arranged at dismountable piston rod pallet on piston rod top; the end that described piston rod is provided with the piston rod pallet stretches in the piston cylinder; it is characterized in that; also be provided with the breakdown protective sleeve on the described piston rod; described breakdown protective sleeve is set in outside the piston rod, and the distance between the outer wall of described breakdown protective sleeve and the piston cylinder inwall is less than 3mm.
2. according to the described a kind of piston mechanism that has the breakdown protective device of claim 1, it is characterized in that the distance between the outer wall of described breakdown protective sleeve and the piston cylinder inwall is less than 1.5mm.
3. according to claim 1 or 2 described a kind of piston mechanisms that have the breakdown protective device, it is characterized in that described breakdown protective sleeve is connected on the outer wall of piston rod by the bearing at two ends.
4. according to claim 1 or 2 described a kind of piston mechanisms that have the breakdown protective device, it is characterized in that described breakdown protective sleeve is connected on the outer wall of piston rod by the key at two ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101179141A CN103257014A (en) | 2013-04-03 | 2013-04-03 | Piston mechanism with breakdown protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101179141A CN103257014A (en) | 2013-04-03 | 2013-04-03 | Piston mechanism with breakdown protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103257014A true CN103257014A (en) | 2013-08-21 |
Family
ID=48961072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013101179141A Pending CN103257014A (en) | 2013-04-03 | 2013-04-03 | Piston mechanism with breakdown protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103257014A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913872A (en) * | 2015-04-14 | 2015-09-16 | 西安中测计量技术有限公司 | Piston system preventing piston rod from fracture |
| CN108760138A (en) * | 2018-06-05 | 2018-11-06 | 杭州石林自动化工程有限公司 | It is a kind of without wearing anti-breaking bar piston manometer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1221350A (en) * | 1996-05-03 | 1999-06-30 | 诺德韦有限公司 | Safety syringe |
| CN201159284Y (en) * | 2008-02-20 | 2008-12-03 | 宝山钢铁股份有限公司 | Tubular protection sleeve of piston rod |
| CN201476939U (en) * | 2009-02-25 | 2010-05-19 | 马俊杰 | Automatic weight loading-unloading device of piston pressure gage |
| CN102102547A (en) * | 2011-01-28 | 2011-06-22 | 上海电气电站设备有限公司 | Protective device for piston rod of oscillating valve matched actuating mechanism |
| CN201916279U (en) * | 2011-01-04 | 2011-08-03 | 大冶市万和铝业有限责任公司 | Extruder cylinder rod protecting device |
| CN102221438A (en) * | 2011-03-04 | 2011-10-19 | 上海健洲机械设备有限公司 | Double piston type pressure vacuum gauge |
| CN203223548U (en) * | 2013-04-03 | 2013-10-02 | 上海健洲机械设备有限公司 | Piston mechanism with breakdown protective device |
-
2013
- 2013-04-03 CN CN2013101179141A patent/CN103257014A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1221350A (en) * | 1996-05-03 | 1999-06-30 | 诺德韦有限公司 | Safety syringe |
| CN201159284Y (en) * | 2008-02-20 | 2008-12-03 | 宝山钢铁股份有限公司 | Tubular protection sleeve of piston rod |
| CN201476939U (en) * | 2009-02-25 | 2010-05-19 | 马俊杰 | Automatic weight loading-unloading device of piston pressure gage |
| CN201916279U (en) * | 2011-01-04 | 2011-08-03 | 大冶市万和铝业有限责任公司 | Extruder cylinder rod protecting device |
| CN102102547A (en) * | 2011-01-28 | 2011-06-22 | 上海电气电站设备有限公司 | Protective device for piston rod of oscillating valve matched actuating mechanism |
| CN102221438A (en) * | 2011-03-04 | 2011-10-19 | 上海健洲机械设备有限公司 | Double piston type pressure vacuum gauge |
| CN203223548U (en) * | 2013-04-03 | 2013-10-02 | 上海健洲机械设备有限公司 | Piston mechanism with breakdown protective device |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104913872A (en) * | 2015-04-14 | 2015-09-16 | 西安中测计量技术有限公司 | Piston system preventing piston rod from fracture |
| CN104913872B (en) * | 2015-04-14 | 2018-04-24 | 西安中测计量技术有限公司 | A kind of piston system for preventing rod fracture |
| CN108760138A (en) * | 2018-06-05 | 2018-11-06 | 杭州石林自动化工程有限公司 | It is a kind of without wearing anti-breaking bar piston manometer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20130821 |