CN105135049A - Soft-seal valve element of valve - Google Patents
Soft-seal valve element of valve Download PDFInfo
- Publication number
- CN105135049A CN105135049A CN201510503388.1A CN201510503388A CN105135049A CN 105135049 A CN105135049 A CN 105135049A CN 201510503388 A CN201510503388 A CN 201510503388A CN 105135049 A CN105135049 A CN 105135049A
- Authority
- CN
- China
- Prior art keywords
- connecting tube
- spool
- air bag
- guide rod
- flexible rod
- 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
Classifications
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- 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
- F16K31/44—Mechanical actuating means
- F16K31/50—Mechanical actuating means with screw-spindle or internally threaded actuating means
- F16K31/508—Mechanical actuating means with screw-spindle or internally threaded actuating means the actuating element being rotatable, non-rising, and driving a non-rotatable axially-sliding element
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- 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
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
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- 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
- F16K51/00—Other details not peculiar to particular types of valves or cut-off apparatus
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Check Valves (AREA)
Abstract
The invention relates to a soft-seal valve element of a valve. The soft-seal valve element comprises a connecting tube. The top of the connecting tube is sleeved with a threaded column. A handle is integrally formed at the top of the threaded column. Supports are arranged on the two sides of the connecting tube respectively. A bolt is arranged at one end of each support. The interior of the connecting tube is of a hollow structure. Sliding grooves and threaded grooves are formed in the inner wall of the connecting tube. The threaded grooves are formed above the sliding grooves. A stretchable rod is sleeved with the bottom of the connecting tube. The connecting tube is movably connected with a valve element body through the stretchable rod. According to the soft-seal valve element, as the threaded grooves and the sliding grooves are formed in the inner wall of the connecting tube, the effect of converting rotating pressing into sliding pressing is achieved; as a buffering air bag is arranged, the effect of protecting the stretchable rod and the valve element body is achieved; as an air bag layer is arranged, the effect that the valve element body is pressed to achieve better sealing is achieved; and as an air pressure guide rod and a piston are arranged, the effect of pressing the air bag layer is achieved.
Description
Technical field
The present invention relates to valve control device technical field, relate to a kind of valve soft sealing valve core in particular.
Background technique
Spool is to realize the valve part of fundamental function of direction controlling, Stress control or flow control by its movement.Rotary, horizontal moving type (radial, towards) is divided into by move mode.Generally can be divided into spherical (ball valve) by shape, conical (cock), patty (butterfly valve and gate valve), dome type (stop valve and safety check), and spool in the market, in the process of lock water, lock water imprecision, there is water leakage phenomenon, particularly use the spool after a period of time, especially easily there is this situation, and spool is easy to produce damage in the process used, too fast when mainly making to press down, or pressure is excessive when pressing down, spool in the market, most employing rubber layer increases the sealing of spool, this method not only consumptive material, and especially easily damage, when spool damages, also be difficult to keep in repair, need to return factory just can keep in repair.
Summary of the invention
Problem to be solved by this invention is to provide a kind of valve soft sealing valve core, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the invention provides following technological scheme: a kind of valve soft sealing valve core, comprise connecting tube, the top of described connecting tube is socketed with screw column, the top of described screw column is one-body molded handle, the both sides of described connecting tube are provided with support, one end of described support is provided with bolt, the inside of described connecting tube is hollow structure, described connecting tube inwall is provided with chute and thread groove, described thread groove is positioned at the top of chute, the bottom of described connecting tube is socketed with flexible rod, described connecting tube is flexibly connected with spool by flexible rod, the lower end of described flexible rod is run through and is extended to the inside of spool, the lower end of described flexible rod is one-body molded fixed block, the bottom of described fixed block is installed with buffer air bag, described fixed block is fixedly connected with bottom the inwall of spool by buffer air bag, the middle part of described flexible rod is socketed with pressing plate, the two ends of described pressing plate are provided with air pressure guide rod, the surface coverage of described spool has air bag layer, the inside of described air bag layer is provided with piston, described air pressure guide rod runs through and extends to the inside of air bag layer, and described air pressure guide rod is fixedly connected with piston.
Preferably, the surface of described spool is provided with small lugs.
Preferably, the inwall of described connecting tube is installed with limiting stopper, described limiting stopper is between flexible rod and screw column.
Preferably, described flexible rod is divided into guide rod and depression bar, and the bottom of described guide rod is fixedly connected with depression bar top, and described leader casing is connected in connecting tube, and described depression bar is socketed in the inside of spool.
The present invention is by design screw column, reach spool and press down more stable effect, screw column is threaded connection not only stable not easily slippage, and processing technology is simple and practical, cheap, be applicable to extensive use, by arranging thread groove and chute on connecting tube inwall, reach rotating down pressing and convert the effect of sliding and pressing down to, so not only make to press down mode more diversified, and it is safer in the process used, when running into fault, be more prone to maintenance, by arranging guide rod and depression bar, reach the effect of depressed fast, make to press down rapider, directly by flexible rod to pressing down, save the time pressed down, by arranging buffer air bag, reach the effect of protection flexible rod and spool, cushion in the process pressed down, make to press down and can not produce injury to flexible rod and spool, ensure that the steady safety of spool presses down, by arranging air bag layer, reach spool and press down the effect more sealed, it is tighter that gas in air bag layer makes spool lock water, increase the sealing of spool, by arranging air pressure guide rod and piston, reach the effect that air bag layer is extruded, after having pressed down, air pressure guide rod and piston can carry out a small amount of pressing down, spool is made to lock water tighter.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of valve soft sealing valve core that the present invention proposes;
Fig. 2 is the valve core structure schematic diagram of a kind of valve soft sealing valve core that the present invention proposes.
In figure: in figure: 1 connecting tube, 2 screw column, 3 handles, 4 supports, 5 bolts, 6 chutes, 7 thread grooves, 8 flexible rods, 81 guide rods, 82 depression bars, 9 spools, 10 fixed blocks, 11 buffer air bags, 12 pressing plates, 13 air pressure guide rods, 14 air bag layers, 15 pistons, 16 limiting stoppers.
Embodiment
Refer to Fig. 1-2, a kind of technological scheme that the present invention proposes: a kind of valve soft sealing valve core, comprise connecting tube 1, the inwall of connecting tube 1 is installed with limiting stopper 16, limiting stopper 16 is between flexible rod 8 and screw column 2, the top of connecting tube 1 is socketed with screw column 2, by arranging screw column 2, reach spool 9 and press down more stable effect, screw column 2 is threaded connection not only stable not easily slippage, and processing technology is simple and practical, cheap, be applicable to extensive use, the top of screw column 2 is one-body molded handle 3, the both sides of connecting tube 1 are provided with support 4, one end of support 4 is provided with bolt 5, the inside of connecting tube 1 is hollow structure, connecting tube 1 inwall is provided with chute 6 and thread groove 7, by arranging thread groove 7 and chute 6 on connecting tube 1 inwall, reach rotating down pressing and convert the effect of sliding and pressing down to, so not only make to press down mode more diversified, and it is safer in the process used, when running into fault, be more prone to maintenance, thread groove 7 is positioned at the top of chute 6, the bottom of connecting tube 1 is socketed with flexible rod 8, flexible rod 8 is divided into guide rod 81 and depression bar 82, by arranging guide rod 81 and depression bar 82, reach the effect of depressed fast, make to press down rapider, directly by flexible rod 8 to pressing down, save the time pressed down, the bottom of guide rod 81 is fixedly connected with depression bar 82 top, guide rod 81 is socketed in connecting tube 1, depression bar 82 is socketed in the inside of spool 9, connecting tube 1 is flexibly connected with spool 9 by flexible rod 8, the surface of spool 9 is provided with small lugs, the lower end of flexible rod 8 is run through and is extended to the inside of spool 9, the lower end of flexible rod 8 is one-body molded fixed block 10, the bottom of fixed block 10 is installed with buffer air bag 11, by arranging buffer air bag 11, reach the effect of protection flexible rod 8 and spool 9, cushion in the process pressed down, make to press down and can not produce injury to flexible rod 8 and spool 9, ensure that the steady safety of spool 9 presses down, fixed block 10 is fixedly connected with bottom the inwall of spool 9 by buffer air bag 11, the middle part of flexible rod 8 is socketed with pressing plate 12, the two ends of pressing plate 12 are provided with air pressure guide rod 13, the surface coverage of spool 9 has air bag layer 14, by arranging air bag layer 14, reach spool 9 and press down the effect more sealed, it is tighter that gas in air bag layer 14 makes spool 9 lock water, increase the sealing of spool 9, the inside of air bag layer 14 is provided with piston 15, air pressure guide rod 13 runs through and extends to the inside of air bag layer 14, and air pressure guide rod 13 is fixedly connected with piston 15, by arranging air pressure guide rod 13 and piston 15, reach the effect that air bag layer 14 is extruded, after having pressed down, air pressure guide rod 13 and piston 15 can carry out a small amount of pressing down, spool 9 is made to lock water tighter.
In the present invention, when using valve soft sealing valve core, when needing throttle down, rotatable handle 3 makes screw column 2 move down on thread groove 7, screw column 2 promotes the guide rod 81 in flexible rod 8 downwards, guide rod 81 and depression bar 82 are all moved down, depression bar 82 makes spool 9 entirety move down slowly, in the process of spool 9 movement, depression bar 82 extrudes the buffer air bag 11 of spool 9 inside, cushion, when the bottom of spool 9 touches bottom water pipe, air pressure guide rod 13 and piston 15 continue to press down air bag layer 14, gas is all moved downward, air bag layer 14 volume bottom spool 9 is made to become large, make the sealing of spool 9 stronger.
The above; be only the present invention's preferably embodiment; but protection scope of the present invention is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the present invention discloses; be equal to according to technological scheme of the present invention and inventive concept thereof and replace or change, all should be encompassed within protection scope of the present invention.
Claims (4)
1. a valve soft sealing valve core, comprise connecting tube (1), it is characterized in that: the top of described connecting tube (1) is socketed with screw column (2), the top of described screw column (2) is one-body molded handle (3), the both sides of described connecting tube (1) are provided with support (4), one end of described support (4) is provided with bolt (5), the inside of described connecting tube (1) is hollow structure, described connecting tube (1) inwall is provided with chute (6) and thread groove (7), described thread groove (7) is positioned at the top of chute (6), the bottom of described connecting tube (1) is socketed with flexible rod (8), described connecting tube (1) is flexibly connected with spool (9) by flexible rod (8), the lower end of described flexible rod (8) is run through and is extended to the inside of spool (9), the lower end of described flexible rod (8) is one-body molded fixed block (10), the bottom of described fixed block (10) is installed with buffer air bag (11), described fixed block (10) is fixedly connected with bottom the inwall of spool (9) by buffer air bag (11), the middle part of described flexible rod (8) is socketed with pressing plate (12), the two ends of described pressing plate (12) are provided with air pressure guide rod (13), the surface coverage of described spool (9) has air bag layer (14), the inside of described air bag layer (14) is provided with piston (15), described air pressure guide rod (13) is run through and extends to the inside of air bag layer (14), and described air pressure guide rod (13) is fixedly connected with piston (15).
2. a kind of valve soft sealing valve core according to claim 1, is characterized in that: the surface of described spool (9) is provided with small lugs.
3. a kind of valve soft sealing valve core according to claim 1, it is characterized in that: the inwall of described connecting tube (1) is installed with limiting stopper (16), described limiting stopper (16) is positioned between flexible rod (8) and screw column (2).
4. a kind of valve soft sealing valve core according to claim 1, it is characterized in that: described flexible rod (8) is divided into guide rod (81) and depression bar (82), the bottom of described guide rod (81) is fixedly connected with depression bar (82) top, described guide rod (81) is socketed in connecting tube (1), and described depression bar (82) is socketed in the inside of spool (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510503388.1A CN105135049A (en) | 2015-08-17 | 2015-08-17 | Soft-seal valve element of valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510503388.1A CN105135049A (en) | 2015-08-17 | 2015-08-17 | Soft-seal valve element of valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105135049A true CN105135049A (en) | 2015-12-09 |
Family
ID=54720517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510503388.1A Pending CN105135049A (en) | 2015-08-17 | 2015-08-17 | Soft-seal valve element of valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105135049A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439126A (en) * | 2016-11-03 | 2017-02-22 | 郑州郑先医药科技有限公司 | Spring type decompression overflow valve |
| CN112344035A (en) * | 2020-10-22 | 2021-02-09 | 宁波万诺宝通机电制造有限公司 | Built-in motor valve |
-
2015
- 2015-08-17 CN CN201510503388.1A patent/CN105135049A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106439126A (en) * | 2016-11-03 | 2017-02-22 | 郑州郑先医药科技有限公司 | Spring type decompression overflow valve |
| CN112344035A (en) * | 2020-10-22 | 2021-02-09 | 宁波万诺宝通机电制造有限公司 | Built-in motor valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151209 |