CN111946894A - Valve lead screw packing sealing pressure increasing and decreasing device - Google Patents
Valve lead screw packing sealing pressure increasing and decreasing device Download PDFInfo
- Publication number
- CN111946894A CN111946894A CN202010935095.1A CN202010935095A CN111946894A CN 111946894 A CN111946894 A CN 111946894A CN 202010935095 A CN202010935095 A CN 202010935095A CN 111946894 A CN111946894 A CN 111946894A
- Authority
- CN
- China
- Prior art keywords
- box
- ring
- valve
- sealing
- packing
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 50
- 238000012856 packing Methods 0.000 title claims abstract description 35
- 230000003247 decreasing effect Effects 0.000 title abstract description 7
- 239000000945 filler Substances 0.000 claims abstract description 12
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 42
- 210000004907 gland Anatomy 0.000 claims description 9
- 229910052742 iron Inorganic materials 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 5
- 239000003638 chemical reducing agent Substances 0.000 claims 4
- 238000000034 method Methods 0.000 abstract description 4
- 238000005299 abrasion Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract 1
- 230000008602 contraction Effects 0.000 description 3
- 235000011194 food seasoning agent Nutrition 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Images
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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
- F16K31/06—Actuating devices; Operating means; Releasing devices electric; magnetic using a magnet, e.g. diaphragm valves, cutting off by means of a liquid
- F16K31/0675—Electromagnet aspects, e.g. electric supply therefor
-
- 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K41/00—Spindle sealings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Sealing Devices (AREA)
Abstract
The invention belongs to the technical field of pressure increasing and decreasing devices, and particularly relates to a valve lead screw packing sealing pressure increasing and decreasing device. When the valve switch is opened, the sealing filler can be quickly decompressed, when the sealing packing pressing force of the filler is reduced, the abrasion of the screw rod and the sealing ring is reduced, when the valve switch is turned off, the valve switch can be quickly turned off, the spring of the valve switch is popped out to generate elastic force, the elastic force and the packing pressing force act on the sealing screw rod together to increase the pressure of the screw rod filler, and the sealing effect is achieved without leakage. The method is used for increasing and decreasing the sealing pressure of the valve screw rod packing.
Description
Technical Field
The invention belongs to the technical field of pressure increasing and decreasing devices, and particularly relates to a valve screw rod packing sealing pressure increasing and decreasing device.
Background
At present, in industrial and civil life, the valves of various types are difficult to open and close in the using process, and when the opening and closing times of the valves are increased, the leakage phenomenon of valve screw rods occurs. The valve is hard to open and close and the lead screw leaks outwards because: the lead screw packing has large packing pressing force and good sealing, so the switch is laborious, and when the times of use are increased, the lead screw abrades the packing, and the leakage phenomenon can occur.
Disclosure of Invention
Aiming at the technical problems that the valve is difficult to open and close and the valve screw rod is easy to leak in the using process, the invention provides the valve screw rod packing sealing pressure increasing and reducing device which is convenient to use, time-saving, labor-saving and high in efficiency.
In order to solve the technical problems, the invention adopts the technical scheme that:
the utility model provides a valve lead screw filler sealing pressure increases subtracts ware, includes flexible lid, iron ring dish, spring, outer O type sealing washer, interior O type sealing washer, iron core, coil, electromagnetism box, outer connector, the top in flexible lid is fixed to the iron ring dish, the iron ring dish passes through the spring and is connected with the electromagnetism box, be provided with the iron core in the electromagnetism box, the winding has the coil on the iron core, flexible lid cover is established on the electromagnetism box, flexible lid can slide along the axial direction of electromagnetism box, flexible lid and electromagnetism box setting are on the sealing filler groove of valve lead screw.
The telescopic cover and the electromagnetic box are of annular structures, the telescopic cover and the electromagnetic box are sleeved on a sealing packing groove of the valve screw rod, the telescopic cover is arranged at the bottom of the packing seal ring, the electromagnetic box is arranged at the top of the packing gland, and the telescopic cover and the electromagnetic box are compressed and fixed through the packing seal ring and the packing gland.
The telescopic cover is connected with the electromagnetic box through an outer O-shaped sealing ring and an inner O-shaped sealing ring, the outer O-shaped sealing ring is arranged at the joint of the telescopic cover and the outer ring of the electromagnetic box, and the inner O-shaped sealing ring is arranged at the joint of the telescopic cover and the inner ring of the electromagnetic box.
The iron ring plate is made of iron or a permanent magnet.
The side of the electromagnetic box is provided with a wire hole, the coil is connected to an external connector through the wire hole, and the external connector is connected to the valve electric actuator.
Compared with the prior art, the invention has the following beneficial effects:
when the valve switch is opened, the sealing filler can be quickly decompressed, the abrasion between the screw rod and the sealing ring is reduced when the sealing pressing force of the filler is reduced, and the valve switch can be quickly closed when the valve switch is closed; the invention is convenient to install and can be installed in a packing groove only by compressing and fixing a packing seal ring and a packing gland.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Wherein: the device comprises a telescopic cover 1, an iron ring disc 2, a spring 3, an outer O-shaped sealing ring 4, an inner O-shaped sealing ring 5, an iron core 6, a coil 7, an electromagnetic box 8, an outer connector 9 and a wire guide 10.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The utility model provides a valve lead screw packing seal pressure increases subtracts ware, as shown in figure 1, including flexible lid 1, iron ring dish 2, spring 3, outer O type sealing washer 4, interior O type sealing washer 5, iron core 6, coil 7, electromagnetism box 8, external connection head 9, iron ring dish 2 fixes the top in flexible lid 1, iron ring dish 2 passes through spring 3 and is connected with electromagnetism box 8, be provided with iron core 6 in the electromagnetism box 8, the winding has coil 7 on the iron core 6, flexible lid 1 cover is established on electromagnetism box 8, flexible lid 1 can slide along electromagnetism box 8's axial direction, flexible lid 1 sets up on the sealed filler groove of valve lead screw with electromagnetism box 8. When the valve switch is opened, the coil 7 in the electromagnetic box 8 is electrified, and the iron core 6 wound with the coil 7 generates electromagnetic force, so that the iron coil disc 2 is adsorbed to generate contraction force, and the pressure of the sealing filler is reduced; when the valve switch is turned off, the iron core 6 of the winding coil 7 has no electromagnetic force, the spring 3 between the iron coil disc 2 and the electromagnetic box 8 generates material elasticity, and the pressing force of the spring 3 and the packing gland generates comprehensive acting force, so that the sealing force of the seasoning sealing ring is increased, and faster and better dynamic sealing is achieved.
Further, flexible lid 1, electromagnetism box 8 all adopt the loop configuration, and flexible lid 1, electromagnetism box 8 all overlap and establish on the sealed packing groove of valve lead screw, and flexible lid 1 sets up in the bottom of packing ring, and electromagnetism box 8 sets up at gland's top, and flexible lid 1, electromagnetism box 8 compress tightly fixedly through packing ring and gland.
Further, the telescopic cover 1 is connected with the electromagnetic box 8 through an outer O-shaped sealing ring 4 and an inner O-shaped sealing ring 5, the outer O-shaped sealing ring 4 is arranged at the joint of the telescopic cover 1 and the outer ring of the electromagnetic box 8, and the inner O-shaped sealing ring 5 is arranged at the joint of the telescopic cover 1 and the inner ring of the electromagnetic box 8.
Further, preferably, the iron ring disc 2 is made of iron or a permanent magnet, when the coil 7 is electrified, the iron core 6 wound around the coil 7 generates electromagnetic force, the iron ring disc 2 is adsorbed to generate contraction force, and the pressure of the sealing filler is reduced.
Further, the side of electromagnetism box 8 is equipped with wire guide 10, and coil 7 passes through wire guide 10 and connects on outer connector 9, and outer connector 9 is connected on valve electric actuator, and when the valve switch opened, valve electric actuator passed through outer connector 9 and supplies power to coil 7 in the electromagnetism box 8, and application scope is wide, reduces the transmission assembly to electronic, pneumatics, surging simultaneously.
The working process of the invention is as follows: when the valve switch is opened, the electric actuator of the valve supplies power to the coil 7 in the electromagnetic box 8 through the external connector 9, and the iron core 6 wound with the coil 7 generates electromagnetic force, so that the iron ring plate 2 is adsorbed to generate contraction force, and the pressure of sealing filler is reduced; when the valve switch is turned off, the iron core 6 of the winding coil 7 has no electromagnetic force, the spring 3 between the iron coil disc 2 and the electromagnetic box 8 generates material elasticity, and the pressing force of the spring 3 and the packing gland generates comprehensive acting force, so that the sealing force of the seasoning sealing ring is increased, and faster and better dynamic sealing is achieved.
Although only the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art, and all changes are encompassed in the scope of the present invention.
Claims (5)
1. The utility model provides a valve lead screw packing sealing pressure increases subtracts ware which characterized in that: including flexible lid (1), iron ring dish (2), spring (3), outer O type sealing washer (4), interior O type sealing washer (5), iron core (6), coil (7), electromagnetism box (8), outer connector (9), top in flexible lid (1) is fixed in iron ring dish (2), iron ring dish (2) are connected with electromagnetism box (8) through spring (3), be provided with iron core (6) in electromagnetism box (8), the winding has coil (7) on iron core (6), flexible lid (1) cover is established on electromagnetism box (8), the axial direction slip of electromagnetism box (8) can be followed in flexible lid (1), flexible lid (1) and electromagnetism box (8) set up on the sealed filler groove of valve lead screw.
2. The valve screw packing seal pressure booster or reducer of claim 1, wherein: the valve screw rod sealing structure is characterized in that the telescopic cover (1) and the electromagnetic box (8) are of annular structures, the telescopic cover (1) and the electromagnetic box (8) are all sleeved on a sealing packing groove of the valve screw rod, the telescopic cover (1) is arranged at the bottom of a packing seal ring, the electromagnetic box (8) is arranged at the top of the packing gland, and the telescopic cover (1) and the electromagnetic box (8) are compressed and fixed through the packing seal ring and the packing gland.
3. The valve screw packing seal pressure booster or reducer of claim 1, wherein: the telescopic cover (1) is connected with the electromagnetic box (8) through an outer O-shaped sealing ring (4) and an inner O-shaped sealing ring (5), the outer O-shaped sealing ring (4) is arranged at the joint of the telescopic cover (1) and the outer ring of the electromagnetic box (8), and the inner O-shaped sealing ring (5) is arranged at the joint of the telescopic cover (1) and the inner ring of the electromagnetic box (8).
4. The valve screw packing seal pressure booster or reducer of claim 1, wherein: the iron ring plate (2) is made of iron or a permanent magnet.
5. The valve screw packing seal pressure booster or reducer of claim 1, wherein: the side of electromagnetism box (8) is equipped with wire guide (10), coil (7) are connected on outer connector (9) through wire guide (10), outer connector (9) are connected on valve electric actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010935095.1A CN111946894A (en) | 2020-09-08 | 2020-09-08 | Valve lead screw packing sealing pressure increasing and decreasing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010935095.1A CN111946894A (en) | 2020-09-08 | 2020-09-08 | Valve lead screw packing sealing pressure increasing and decreasing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111946894A true CN111946894A (en) | 2020-11-17 |
Family
ID=73356470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010935095.1A Pending CN111946894A (en) | 2020-09-08 | 2020-09-08 | Valve lead screw packing sealing pressure increasing and decreasing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111946894A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006011636A1 (en) * | 2006-03-14 | 2007-09-20 | Voith Patent Gmbh | shaft seal |
| CN101126450A (en) * | 2007-08-03 | 2008-02-20 | 钱成 | Electromagnetic sealing device of axis for machine halt |
| CN101131210A (en) * | 2006-09-18 | 2008-02-27 | 丹东克隆集团有限责任公司 | Packaging type magnetic shaft sealing device |
| CN101382196A (en) * | 2007-09-04 | 2009-03-11 | 刘讯岐 | U-shaped surface magnetic force mechanical seal |
| CN104179975A (en) * | 2014-07-22 | 2014-12-03 | 西安电子科技大学 | Controllable mechanical seal based on closing force change |
| WO2017084663A1 (en) * | 2015-11-18 | 2017-05-26 | Schaeffler Technologies AG & Co. KG | Adaptive sealing assembly and bearing assembly having an adaptive sealing assembly |
| CN212377435U (en) * | 2020-09-08 | 2021-01-19 | 太原纳新食品科技有限公司 | Valve lead screw packing sealing pressure increasing and decreasing device |
-
2020
- 2020-09-08 CN CN202010935095.1A patent/CN111946894A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006011636A1 (en) * | 2006-03-14 | 2007-09-20 | Voith Patent Gmbh | shaft seal |
| CN101131210A (en) * | 2006-09-18 | 2008-02-27 | 丹东克隆集团有限责任公司 | Packaging type magnetic shaft sealing device |
| CN101126450A (en) * | 2007-08-03 | 2008-02-20 | 钱成 | Electromagnetic sealing device of axis for machine halt |
| CN101382196A (en) * | 2007-09-04 | 2009-03-11 | 刘讯岐 | U-shaped surface magnetic force mechanical seal |
| CN104179975A (en) * | 2014-07-22 | 2014-12-03 | 西安电子科技大学 | Controllable mechanical seal based on closing force change |
| WO2017084663A1 (en) * | 2015-11-18 | 2017-05-26 | Schaeffler Technologies AG & Co. KG | Adaptive sealing assembly and bearing assembly having an adaptive sealing assembly |
| CN212377435U (en) * | 2020-09-08 | 2021-01-19 | 太原纳新食品科技有限公司 | Valve lead screw packing sealing pressure increasing and decreasing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205025565U (en) | Car turbo charger's relief valve that admits air | |
| CN212377435U (en) | Valve lead screw packing sealing pressure increasing and decreasing device | |
| CN111946894A (en) | Valve lead screw packing sealing pressure increasing and decreasing device | |
| CN201934780U (en) | Modified filler pressing sleeve device | |
| CN2878815Y (en) | electromagnetic valve for fuel urgent cut | |
| CN108711487A (en) | A kind of transformer and its cable interface sealing structure | |
| CN206958306U (en) | A kind of high leakproofness low-voltage solenoid valve | |
| CN214699432U (en) | Ultrahigh pressure piston type electromagnetic valve | |
| CN2620140Y (en) | Non-leakage environmental protection magnetic controlled valve | |
| CN207316095U (en) | High temperature and pressure three eccentric metal sealed butterfly valve | |
| CN214008093U (en) | Low-leakage stop valve sealing structure | |
| CN220706442U (en) | Two-body air compensating valve | |
| CN201386805Y (en) | Polytetrafluoroethylene seal butterfly valve | |
| CN201802888U (en) | Pressure balancing stop valve | |
| CN203614764U (en) | Emergency shut valve with corrugated pipe | |
| CN220155331U (en) | Fully-sealed treatment device for transformer oil | |
| CN2360686Y (en) | Non-leakage stop valve | |
| CN209229102U (en) | Air valve sealing electromagnet | |
| CN211976052U (en) | Non-pressure relief valve | |
| CN212690892U (en) | High-sealing residue-free ball valve | |
| CN219655414U (en) | High-sealing corrugated pipe stop valve | |
| CN216812908U (en) | Electromagnetic valve | |
| CN103671948B (en) | A kind of quick action emergency valve of band bellows | |
| CN108518499A (en) | GUD-150 type motorized adjustment high vacuum ball valves | |
| CN215487717U (en) | High leakproofness butterfly valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |