CN106438333A - Mechanical sealing device of chemical pump - Google Patents
Mechanical sealing device of chemical pump Download PDFInfo
- Publication number
- CN106438333A CN106438333A CN201611066948.2A CN201611066948A CN106438333A CN 106438333 A CN106438333 A CN 106438333A CN 201611066948 A CN201611066948 A CN 201611066948A CN 106438333 A CN106438333 A CN 106438333A
- Authority
- CN
- China
- Prior art keywords
- piston
- pullover
- internal
- interface
- bush
- 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
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/02—Packing the free space between cylinders and pistons
Abstract
The invention provides a mechanical sealing device of a chemical pump. The mechanical sealing device comprises a bush head connector, wherein connector inner holes are formed in the surface of the bush head connector; a piston bush is arranged above the bush head connector; bush head limiting posts are arranged above the piston bush; an inner piston is arranged inside the piston sleeve; a mechanical sealing device bush head is arranged above the inner piston; piston sleeve inner threads are arranged at a connection position of the bush head connector and the inner piston; and a piston head inner fixing hole is formed in the surface of the piston bush. According to the mechanical sealing device of the chemical pump provided by the invention, the design is scientific, a small hole is formed inside the bush head, and small holes are also designed inside the connector; when the bush head is arranged in the connector in a bushed mode, the bush head only needs to be pressed, and a bolt passes through from the small hole at a joint and then passes through the small hole inside the bush head for fixing the bush head. The mechanical sealing device is simple and convenient.
Description
Technical field
The present invention is a kind of chemical pump mechanically-sealing apparatus, belongs to technical field of chemical.
Background technology
In prior art, chemical industry equipment is a part for chemical machinery, and chemical machinery includes two parts, first chemical industry machine
Device, is primarily referred to as the blower fan of fluid conveying, compressor, the equipment such as various pump, its critical piece is the machinery of motion, typically
Referred to as chemical machine.It two is that to be primarily referred to as part be static machinery to chemical industry equipment, the separation equipment such as tower, container,
Reactor apparatus etc., otherwise referred to as non-standard equipment.Chemical machinery is not very strict with the division of other machineries, such as one
It is used for the pump of chemical process a bit, be also the common apparatus that other industrial departments adopt.Same chemical machine in chemical process
There is no strict differentiation and between chemical industry equipment yet.For example some reactors are also usually equipped with the machine moving.Including chemical industry equipment
Realize, in interior all chemical machinery Dou Shi chemical plants, the instrument that Chemical Manufacture is adopted.Chemical products production process is just
Often operating, the control of product quality and yield and guarantee, be unable to do without adaptation and the normal operation of various chemical industry equipments.Chemical industry equipment
Apolegamy must pass through and the detail of whole chemical process is calculated, design, processing, manufactures and match, chemical industry life will be adapted to
Required for producing.A whole set of chemical production device be by chemical industry equipment, chemical machine and other such as chemical instruments, chemical pipeline with
Valve etc. forms, and the safety and stability for ensureing package unit reliably produces it is desirable to chemical industry equipment will have following performance.
However, traditional chemical pump mechanically-sealing apparatus can only be used for seal, and traditional sealing device be from
Outside is fixing, troublesome poeration, and volume is larger, and not equipped with pressure sensing inside traditional chemical industry pump sealing apparatus
Device.
Content of the invention
In view of the shortcomings of the prior art, it is an object of the present invention to provide a kind of chemical pump mechanically-sealing apparatus, to solve
The traditional chemical pump mechanically-sealing apparatus proposing in above-mentioned background technology can only be used for sealing, and traditional sealing dress
Putting is to fix from the outside, troublesome poeration, and volume is larger, and not equipped with pressure inside traditional chemical industry pump sealing apparatus
Sensor Problem, the present invention is easy to use, is easy to operate, good stability, reliability is high.
To achieve these goals, the present invention is to realize by the following technical solutions:A kind of chemical pump mechanical seal
Device, including pullover interface, the surface of described pullover interface is provided with interface internal hole, and the top of pullover interface is provided with work
Plug sleeve, the top of described piston bush is provided with pullover limited post, and piston bush be internally provided with internal piston, described internal live
The top of plug is provided with mechanically-sealing apparatus pullover, is provided with piston bush at described pullover interface and the link position of internal piston
Internal whorl, the surface of described piston bush is provided with the internal fixing hole of piston head, and the surface of described internal piston is provided with piston
Internal fixing hole, the outside of described internal piston is provided with caulking gum packing ring, institute near the lower section of mechanically-sealing apparatus pullover
State the pressure transducer that is internally provided with of pullover interface, one end of described pressure transducer is provided with sensor chip, the other end
It is provided with pressure transducer and fixes screw thread, described pressure transducer is electrically connected with the power supply.
Further, described pullover limited post is provided with four altogether, and four pullover limited posts are separately mounted to piston bush
Top.
Further, described interface internal hole is provided with eight altogether.
Further, described internal piston fixing hole is provided with four altogether, and four internal piston fixing holes are respectively mounted
The surface of piston internally.
Further, described pressure transducer is screwed by pressure transducer fixation with pullover interface and is connected.
Further, described pullover interface is cylindrical structural.
Beneficial effects of the present invention:A kind of chemical pump mechanically-sealing apparatus of the present invention, design science of the present invention, operation letter
Folk prescription just, has aperture in pullover indoor design, and is also configured with aperture in interface internal, when pullover is enclosed within seam, only
Need to press pullover, then passed through from the aperture of joint with bolt, being then then passed through the aperture within pullover can consolidate
Surely live pullover, simple and convenient, and the pressure transducer in sealing device indoor design, can with liquid in real-time monitoring chemical pump
Pressure, prevent the fortuitous events such as hypertonia.
Brief description
The detailed description with reference to the following drawings, non-limiting example made by reading, the further feature of the present invention,
Objects and advantages will become more apparent upon:
Fig. 1 is a kind of structural representation of present invention chemical pump mechanically-sealing apparatus;
Fig. 2 is a kind of front view of present invention chemical pump mechanically-sealing apparatus;
Fig. 3 faces rearview for a kind of present invention chemical pump mechanically-sealing apparatus;
Fig. 4 is a kind of pressure transducer figure of present invention chemical pump mechanically-sealing apparatus;
In figure:1- mechanically-sealing apparatus pullover, 2- internal piston, 3- pullover limited post, 4- interface internal hole, 5- pullover interface,
The internal fixing hole of 6- piston bush, 7- piston bush internal whorl, 8- piston head, 9- internal piston fixing hole, 10- sealing rubber pad
Circle, 11- pressure transducer, 12- pressure transducer fix screw thread, 13- sensor chip.
Specific embodiment
Technological means, creation characteristic, reached purpose and effect for making the present invention realize are easy to understand, with reference to
Specific embodiment, is expanded on further the present invention.
Refer to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, the present invention provides a kind of technical scheme:A kind of chemical pump mechanically-sealing apparatus,
Including pullover interface 5, the surface of pullover interface 5 is provided with interface internal hole 4, and the top of pullover interface 5 is provided with piston bush
6, the top of piston bush 6 is provided with pullover limited post 3, and piston bush 6 be internally provided with internal piston 2, internal piston 2 upper
Side is provided with mechanically-sealing apparatus pullover 1, is provided with the internal spiral shell of piston bush at pullover interface 5 and the link position of internal piston 2
Stricture of vagina 7, the surface of piston bush 6 is provided with the internal fixing hole 8 of piston head, and the surface of internal piston 2 is provided with internal piston fixing hole
9, the outside of internal piston 2 is provided with caulking gum packing ring 10 near the lower section of mechanically-sealing apparatus pullover 1, pullover interface 5
It is internally provided with pressure transducer 11, one end of pressure transducer 11 is provided with sensor chip 13, and the other end is provided with pressure
Screw thread 12 fixed by sensor, and pressure transducer 11 is electrically connected with the power supply.
In order to preferably limit the position of pullover, it is preferred that pullover limited post 3 is provided with four altogether in the present embodiment,
And four pullover limited posts 3 are separately mounted to the top of piston bush 6.
For more preferable fixed interface, it is preferred that interface internal hole 4 is provided with eight altogether in the present embodiment.
In order to preferably fix pullover, it is preferred that internal piston fixing hole 9 is provided with four altogether in the present embodiment, and
Four internal piston fixing holes 9 are separately mounted to the surface of internal piston 2.
In order that pressure transducer 11 be connected with pullover interface 5 even closer, it is preferred that pressure sensing in the present embodiment
Device 11 is fixedly connected by the fixing screw thread 12 of pressure transducer with pullover interface 5.
Pressure transducer 11 in the present invention forms semiconductor strain pressure in sheet surface, by external force(Pressure)Make thin
Piece deforms and produces Piezoelectric Impedance effect, so that the change of impedance is converted into the signal of telecommunication.
Sensor chip 13 in the present invention is one layer of thin sheet metal, different by the pressure size of liquid, and thin slice produces
Raw deformation degree is then different, be converted into a signal of telecommunication by deformation degree, then it is known that the pressure of surveyed liquid
Size.
Install with chemical pump for convenience, it is preferred that pullover interface 5 is cylindrical structural in this enforcement.
Specific embodiment:When being used, staff checks to the present invention first, checks for lacking
Fall into, if there is just cannot be carried out if defect employing, now need to notify maintainer to be keeped in repair, if there is no asking
Can be carried out if topic using, the internal piston 2 of mechanically-sealing apparatus pullover 1 lower section is arranged on inside piston bush 6, and
By corresponding with the aperture within mechanically-sealing apparatus pullover 1 for pullover limited post 3 firmly, after the completion of be each passed through work with fixing bolt
The internal fixing hole 8 of chock plug is fixed with internal piston fixing hole 9 and by bolt, respectively its excess-three hole is used spiral shell respectively in the same manner
Bolt is fixed, and then fixation completes pullover, and caulking gum packing ring 10 will be sealed with seam to pullover, and pressure transducer 11 is right
The pressure of internal liquid carries out real-time monitoring, prevents hypotony or too high generation unexpected, by sensor chip 13 deformation
The size to judge pressure for the difference of amount.
Ultimate principle and principal character and the advantages of the present invention of the present invention have been shown and described above, for this area skill
It is clear that the invention is not restricted to the details of above-mentioned one exemplary embodiment for art personnel, and in the spirit without departing substantially from the present invention or
In the case of basic feature, the present invention can be realized in other specific forms.Therefore, no matter from the point of view of which point, all should be by
Embodiment regards exemplary as, and is nonrestrictive, the scope of the present invention by claims rather than on state
Bright restriction, it is intended that all changes in the implication and scope of the equivalency of claim that fall are included in the present invention
Interior.Any reference in claim should not be considered as limiting involved claim.
Moreover, it will be appreciated that although this specification is been described by according to embodiment, not each embodiment only wraps
Containing an independent technical scheme, only for clarity, those skilled in the art should for this narrating mode of description
Using description as an entirety, the technical scheme in each embodiment can also form those skilled in the art through appropriately combined
Understandable other embodiment.
Claims (6)
1. a kind of chemical pump mechanically-sealing apparatus, including pullover interface(5)It is characterised in that:Described pullover interface(5)Surface
It is provided with interface internal hole(4), and pullover interface(5)Top be provided with piston bush(6), described piston bush(6)Top set
It is equipped with pullover limited post(3), and piston bush(6)Be internally provided with internal piston(2), described internal piston(2)Top set
It is equipped with mechanically-sealing apparatus pullover(1), described pullover interface(5)With internal piston(2)Link position at be provided with piston bush
Internal whorl(7), described piston bush(6)Surface be provided with the internal fixing hole of piston head(8), described internal piston(2)Table
Face is provided with internal piston fixing hole(9), described internal piston(2)Outside near mechanically-sealing apparatus pullover(1)Lower section
It is provided with caulking gum packing ring(10), described pullover interface(5)Be internally provided with pressure transducer(11), described pressure sensing
Device(11)One end be provided with sensor chip(13), the other end be provided with pressure transducer fix screw thread(12), described pressure
Sensor(11)It is electrically connected with the power supply.
2. a kind of chemical pump mechanically-sealing apparatus according to claim 1 it is characterised in that:Described pullover limited post(3)
It is provided with four altogether, and four pullover limited posts(3)It is separately mounted to piston bush(6)Top.
3. a kind of chemical pump mechanically-sealing apparatus according to claim 1 it is characterised in that:Described interface internal hole(4)
It is provided with eight altogether.
4. a kind of chemical pump mechanically-sealing apparatus according to claim 1 it is characterised in that:Described internal piston fixing hole
(9)It is provided with four altogether, and four internal piston fixing holes(9)It is separately mounted to internal piston(2)Surface.
5. a kind of chemical pump mechanically-sealing apparatus according to claim 1 it is characterised in that:Described pressure transducer(11)
With pullover interface(5)Screw thread is fixed by pressure transducer(12)It is fixedly connected.
6. a kind of chemical pump mechanically-sealing apparatus according to claim 1 it is characterised in that:Described pullover interface(5)For
Cylindrical structural.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201611066948.2A CN106438333B (en) | 2016-11-29 | 2016-11-29 | A kind of chemical pump mechanically-sealing apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201611066948.2A CN106438333B (en) | 2016-11-29 | 2016-11-29 | A kind of chemical pump mechanically-sealing apparatus |
Publications (2)
Publication Number | Publication Date |
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CN106438333A true CN106438333A (en) | 2017-02-22 |
CN106438333B CN106438333B (en) | 2018-03-30 |
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CN201611066948.2A Active CN106438333B (en) | 2016-11-29 | 2016-11-29 | A kind of chemical pump mechanically-sealing apparatus |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201027691Y (en) * | 2007-04-04 | 2008-02-27 | 胡滨 | Double-end face packaging type mechanical seal member used for chemical pump |
CN103306969A (en) * | 2013-06-20 | 2013-09-18 | 合肥华升泵阀有限责任公司 | Combined sealing device for plunger pump |
CN203730290U (en) * | 2014-02-24 | 2014-07-23 | 浙江杭钻机械制造股份有限公司 | Sealing structure of grouting plunger pump |
CN204610264U (en) * | 2014-12-30 | 2015-09-02 | 宁波锦球机械有限公司 | A kind of emulsion pump cylinder sleeve component |
CN206206141U (en) * | 2016-11-29 | 2017-05-31 | 洛阳毅兴石化电器仪表设备有限公司 | A kind of chemical pump mechanically-sealing apparatus |
-
2016
- 2016-11-29 CN CN201611066948.2A patent/CN106438333B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN201027691Y (en) * | 2007-04-04 | 2008-02-27 | 胡滨 | Double-end face packaging type mechanical seal member used for chemical pump |
CN103306969A (en) * | 2013-06-20 | 2013-09-18 | 合肥华升泵阀有限责任公司 | Combined sealing device for plunger pump |
CN203730290U (en) * | 2014-02-24 | 2014-07-23 | 浙江杭钻机械制造股份有限公司 | Sealing structure of grouting plunger pump |
CN204610264U (en) * | 2014-12-30 | 2015-09-02 | 宁波锦球机械有限公司 | A kind of emulsion pump cylinder sleeve component |
CN206206141U (en) * | 2016-11-29 | 2017-05-31 | 洛阳毅兴石化电器仪表设备有限公司 | A kind of chemical pump mechanically-sealing apparatus |
Also Published As
Publication number | Publication date |
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CN106438333B (en) | 2018-03-30 |
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