CN109519593A - A kind of valve with quick blocking effect - Google Patents
A kind of valve with quick blocking effect Download PDFInfo
- Publication number
- CN109519593A CN109519593A CN201811647486.2A CN201811647486A CN109519593A CN 109519593 A CN109519593 A CN 109519593A CN 201811647486 A CN201811647486 A CN 201811647486A CN 109519593 A CN109519593 A CN 109519593A
- Authority
- CN
- China
- Prior art keywords
- movable block
- matrix
- support rod
- valve
- blocking effect
- 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
- 230000000903 blocking effect Effects 0.000 title claims abstract description 25
- 239000011159 matrix material Substances 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 238000007789 sealing Methods 0.000 claims abstract description 19
- 239000007787 solid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 241000222712 Kinetoplastida Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/44—Mechanical actuating means
- F16K31/60—Handles
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- 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
- F16K31/53—Mechanical actuating means with toothed gearing
- F16K31/54—Mechanical actuating means with toothed gearing with pinion and rack
-
- 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses a kind of valves with quick blocking effect, including matrix, sealing ring and water inlet, the upper end of described matrix is provided with handle, and the lower end of handle is fixedly connected with support rod, the sealing ring is arranged in base inner surface upper end, and sealing ring is connected with support rod, the lower end of the support rod is provided with movable block, and the outer surface of movable block is provided with rubber ring, the upper surface of the movable block opens up fluted, the middle-end inner surface of described matrix offers sliding slot, the water inlet is arranged on the left of the lower end of matrix, and water outlet is provided on the right side of the lower end of matrix.The valve with quick blocking effect, user can pass through handle rotary supporting rod, to make support rod that 2 groups of movable blocks be driven to move toward one another along transmission gear, until 2 groups of movable blocks conform to guide pad outer surface, and after closing to the lower end of matrix by rubber ring, blocking work easily can be carried out to the water flow.
Description
Technical field
The present invention relates to valve technology field, specially a kind of valve with quick blocking effect.
Background technique
Valve is the control unit in fluid delivery system, have the function of cut-off, prevent adverse current or overflow pressure relief etc., it is wide
It is general to be applied to every field, and there is also certain defects for existing valve, just such as；
Traditional valve is all the setting of single-pass water channel, quickly due to the water velocity in valve, when user needs to pass through biography
The valve of system can be very laborious when carrying out blocking work to water flow, brings inconvenience, and traditional valve to the operation of user
Seal degree of the door when carrying out folding work is high not enough, the phenomenon that infiltration leak easily occurs, there are certain use defects.
In view of the above-mentioned problems, being badly in need of carrying out innovative design on the basis of original valve mechanism.
Summary of the invention
The purpose of the present invention is to provide a kind of valves with quick blocking effect, to solve to mention in above-mentioned background technique
Traditional valve out is all the setting of single-pass water channel, quickly due to the water velocity in valve, when user carries out water flow
It is very laborious when blocking work, and the problem that seal degree is high not enough.
To achieve the above object, the invention provides the following technical scheme: a kind of valve with quick blocking effect, including
Matrix, sealing ring and water inlet, the upper end of described matrix is provided with handle, and the lower end of handle is fixedly connected with support rod, institute
It states sealing ring to be arranged in base inner surface upper end, and sealing ring is connected with support rod, the lower end of the support rod is provided with work
Motion block, and the outer surface of movable block is provided with rubber ring, the upper surface of the movable block open up fluted, and the outside of movable block
It is fixedly connected with convex block, the middle-end inner surface of described matrix offers sliding slot, and sliding slot is connected with convex block, and the water inlet is set
It sets on the left of the lower end of matrix, and is provided with water outlet on the right side of the lower end of matrix, the lower end inner surface of described matrix is fixedly connected
There is guide pad, and be fixedly connected with connect cover on the outside of guide pad, shaft is provided on the outside of the guide pad, and shaft is outer
Surface is provided with transmission gear, fixed link is fixedly connected on the outside of the movable block, and fixed link is connected with transmission gear,
The lower end of the movable block is provided with spring, and spring is connected with the inner surface of matrix.
Preferably, the support rod is and is threadedly coupled with matrix upper surface and sealing ring, and support rod is with movable block
Rotation connection.
Preferably, the movable block is hemispherical structure, and movable block is symmetrically arranged with 2 about the central point of water inlet
It is a, and movable block constitutes slidable structure by convex block and matrix.
Preferably, the outside of the guide pad is " V " type structure, and guide pad can be turned by shaft and transmission gear composition
Dynamic structure.
Preferably, the fixed link is integrated with movable block, and fixed link is to be connected together with groove.
Preferably, the transmission gear is symmetrically arranged with 2 about the central point of shaft, and transmission gear is with fixed link
Engagement connection.
Compared with prior art, the beneficial effects of the present invention are: the valve with quick blocking effect,
1. being provided with 2 groups of movable blocks, user can be by handle rotary supporting rod, so that support rod be made to drive 2 groups of movable block edges
Transmission gear move toward one another, until 2 groups of movable blocks conform to after guide pad outer surface closes the lower end of matrix, i.e.,
Blocking work easily can be carried out to the water flow, effectively raise the using effect of single unit system；
2. being provided with the guide pad of " V " type structure, the water outlet being relatively large in diameter is separated into lesser 2 water channels, effectively
The impact force of reduced water flow, to make user more easily laborsaving when carrying out blocking work to water flow；
3. being provided with sealing ring and rubber ring, by the rubber ring on the outside of 2 groups of movable blocks, it adequately ensure that user is passing through
The device carries out seal degree when blocking work, improves the practicability of single unit system.
Detailed description of the invention
Fig. 1 is the positive schematic cross-sectional view of the present invention；
Fig. 2 is enlarged structure schematic diagram at A in Fig. 1 of the present invention；
Fig. 3 is transmission gear overlooking structure diagram of the present invention；
Fig. 4 is enlarged structure schematic diagram at B in Fig. 1 of the present invention；
Fig. 5 is movable block schematic perspective view of the present invention.
In figure: 1, matrix；2, handle；3, support rod；4, sealing ring；5, movable block；6, rubber ring；7, groove；8, convex block；
9, sliding slot；10, water inlet；11, guide pad；12, connect cover；13, fixed link；14, shaft；15, transmission gear；16, spring；
17, water outlet.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-5 is please referred to, the present invention provides a kind of technical solution: a kind of valve with quick blocking effect, including base
Body 1, handle 2, support rod 3, sealing ring 4, movable block 5, rubber ring 6, groove 7, convex block 8, sliding slot 9, water inlet 10, guide pad
11, connect cover 12, fixed link 13, shaft 14, transmission gear 15, spring 16 and water outlet 17, the upper end of matrix 1 are provided with handle
2, and the lower end of handle 2 is fixedly connected with support rod 3, sealing ring 4 is arranged in 1 upper inner of matrix, and sealing ring 4 and support
Bar 3 is connected, and support rod 3 is to be threadedly coupled, and support rod 3 and movable block 5 are rotation with 1 upper surface of matrix and sealing ring 4
Connection, the support rod 3 of the fillet of screw can be provided with by outer surface, adjusts the position of its lower end movable block 5；
The lower end of support rod 3 is provided with movable block 5, and the outer surface of movable block 5 is provided with rubber ring 6, and movable block 5 is dome-type
Structure, and movable block 5 is symmetrically arranged with 2 about the central point of water inlet 10, and movable block 5 is made up of convex block 8 and matrix 1
Slidable structure, the movable block 5 being connected by convex block 8 with matrix 1, makes the upper and lower displacement of movable block 5 more stable；
The upper surface of movable block 5 opens up fluted 7, and the outside of movable block 5 is fixedly connected with convex block 8, table in the middle-end of matrix 1
Face offers sliding slot 9, and sliding slot 9 is connected with convex block 8, and water inlet 10 is arranged on the left of the lower end of matrix 1, and under matrix 1
End right side is provided with water outlet 17, and the lower end inner surface of matrix 1 is fixedly connected with guide pad 11, and the outside of guide pad 11 is fixed
It is connected with connect cover 12, the outside of guide pad 11 is " V " type structure, and guide pad 11 is made up of shaft 14 and transmission gear 15
The water outlet 17 being relatively large in diameter is separated into lesser 2 water channels, effectively by the guide pad 11 of " V " type by turntable
The impact force of reduced water flow, to make user more easily laborsaving when carrying out blocking work to water flow；
The outside of guide pad 11 is provided with shaft 14, and the outer surface of shaft 14 is provided with transmission gear 15, the outside of movable block 5
It being fixedly connected with fixed link 13, and fixed link 13 is connected with transmission gear 15, the lower end of movable block 5 is provided with spring 16, and
Spring 16 is connected with the inner surface of matrix 1, and transmission gear 15 is symmetrically arranged with 2 about the central point of shaft 14, and is driven
Gear 15 is to engage connection with fixed link 13, and fixed link 13 is integrated with movable block 5, and fixed link 13 is with groove 7
It is connected together, by 2 groups of fixed links engaged with transmission gear 15 13, position change adequately can be carried out to 2 movable blocks 5.
Working principle: when using the valve with quick blocking effect, according to Fig. 1-5, the valve is installed first
In the position to work, the handle 2 that then user can hold 1 upper end of matrix is rotated counterclockwise, and handle 2 will at this time
It will drive support rod 3 to move up along sealing ring 4, with moving up for support rod 3,5 edge of movable block of lower end will be will drive
Shifting up for 9 synchronism stability of sliding slot, while the fixed link 13 of its lower end will be with the upward movement of movable block 5, drive
The transmission gear 15 engaged is rotated, and at this moment transmission gear 15 will will drive another biography being connected by shaft 14
Moving gear 15 is rotated in the same direction, another movable block 5 for being now placed in 1 lower end of matrix will be with the biography of the transmission gear 15
The dynamic spring 16 that is pressed down against is toward bottom offset, and just in an ON state, user connects water flow for water inlet 10 and water outlet 17 at this time
Passing in the valve can carry out for flowing work；
When occur emergency case user need blocking work promptly is carried out to the water flow in the valve when, hold 2 up time of handle
Needle rotary supporting rod 3, support rod 3 will be moved down along sealing ring 4 at this time, while it will push along sliding slot 9 and be located at
The movable block 5 of upper end moves down, and while the movable block 5 moves down, the fixed link 13 of lower end surface will will drive driving cog
Wheel 15 rotates again, so that another movable block 5 with 1 lower end of kinetoplast shifts up, the rubber to 25 outer surfaces of movable block
After cushion rubber 6 fits with guide pad 11, the blocking work of water flow can be completed, increase whole practicability.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (6)
1. a kind of valve with quick blocking effect, including matrix (1), sealing ring (4) and water inlet (10), feature exists
In: the upper end of described matrix (1) is provided with handle (2), and the lower end of handle (2) is fixedly connected with support rod (3), the sealing
It encloses (4) to be arranged in matrix (1) upper inner, and sealing ring (4) is connected with support rod (3), the lower end of the support rod (3)
It is provided with movable block (5), and the outer surface of movable block (5) is provided with rubber ring (6), the upper surface of the movable block (5) opens up
Fluted (7), and convex block (8) are fixedly connected on the outside of movable block (5), the middle-end inner surface of described matrix (1) offers cunning
Slot (9), and sliding slot (9) is connected with convex block (8), water inlet (10) setting is on the left of the lower end of matrix (1), and matrix
(1) it being provided with water outlet (17) on the right side of lower end, the lower end inner surface of described matrix (1) is fixedly connected with guide pad (11), and
It is fixedly connected on the outside of guide pad (11) connect cover (12), is provided with shaft (14) on the outside of the guide pad (11), and turn
The outer surface of axis (14) is provided with transmission gear (15), is fixedly connected with fixed link (13) on the outside of the movable block (5), and solid
Fixed pole (13) is connected with transmission gear (15), and the lower end of the movable block (5) is provided with spring (16), and spring (16) and base
The inner surface of body (1) is connected.
2. a kind of valve with quick blocking effect according to claim 1, it is characterised in that: the support rod (3)
It is to be threadedly coupled, and support rod (3) and movable block (5) are rotation connection with matrix (1) upper surface and sealing ring (4).
3. a kind of valve with quick blocking effect according to claim 1, it is characterised in that: the movable block (5)
For hemispherical structure, and movable block (5) is symmetrically arranged with 2 about the central point of water inlet (10), and movable block (5) pass through it is convex
Block (8) and matrix (1) constitute slidable structure.
4. a kind of valve with quick blocking effect according to claim 1, it is characterised in that: the guide pad (11)
Outside be " V " type structure, and guide pad (11) constitutes turntable by shaft (14) and transmission gear (15).
5. a kind of valve with quick blocking effect according to claim 1, it is characterised in that: the fixed link (13)
It is integrated with movable block (5), and fixed link (13) is to be connected together with groove (7).
6. a kind of valve with quick blocking effect according to claim 1, it is characterised in that: the transmission gear
(15) central point about shaft (14) is symmetrically arranged with 2, and transmission gear (15) is to engage connection with fixed link (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811647486.2A CN109519593B (en) | 2018-12-29 | 2018-12-29 | Valve with quick blocking function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811647486.2A CN109519593B (en) | 2018-12-29 | 2018-12-29 | Valve with quick blocking function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109519593A true CN109519593A (en) | 2019-03-26 |
| CN109519593B CN109519593B (en) | 2024-05-14 |
Family
ID=65798636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811647486.2A Active CN109519593B (en) | 2018-12-29 | 2018-12-29 | Valve with quick blocking function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109519593B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155964A (en) * | 2020-03-10 | 2020-05-15 | 何华 | A exempt from to bore stopper cementing ware for oil development |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002168370A (en) * | 2000-11-21 | 2002-06-14 | Koshu Shu | Water flow control device |
| KR20040009849A (en) * | 2002-07-26 | 2004-01-31 | 주식회사 넥스콘 | A fluid control valve |
| CN203627978U (en) * | 2013-12-31 | 2014-06-04 | 慈溪市天硕工贸有限公司 | One-way ball valve |
| CN106224591A (en) * | 2016-08-29 | 2016-12-14 | 约翰斯顿流体科技（无锡）有限公司 | A kind of novel fire-fighting by-pass valve |
| CN206206754U (en) * | 2016-11-20 | 2017-05-31 | 江苏庆海石油机械有限公司 | A kind of fast-open stop valve |
| CN207762282U (en) * | 2017-12-21 | 2018-08-24 | 天津必优机电设备技术有限公司 | A kind of electronic non-return valve |
| CN108644407A (en) * | 2018-07-26 | 2018-10-12 | 苏州谊佳润机电制造有限公司 | A kind of good fixed forging steel ball valve valve seat of elastic effect |
| CN108679287A (en) * | 2018-05-23 | 2018-10-19 | 河南工程学院 | It is a kind of can automatic shutter Fluid valve |
| CN108716569A (en) * | 2018-06-28 | 2018-10-30 | 安徽德锐迈液压机械有限公司 | A kind of durable fluid pressure valve device |
| CN108953630A (en) * | 2018-08-08 | 2018-12-07 | 台州尚代洁具有限公司 | It is a kind of can multi-angle rotation tap |
| CN208204028U (en) * | 2018-05-24 | 2018-12-07 | 陈鉴 | A kind of shut-off valve of preventing water leakage |
| CN209430845U (en) * | 2018-12-29 | 2019-09-24 | 贵州大学 | A kind of valve with quick blocking effect |
-
2018
- 2018-12-29 CN CN201811647486.2A patent/CN109519593B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002168370A (en) * | 2000-11-21 | 2002-06-14 | Koshu Shu | Water flow control device |
| KR20040009849A (en) * | 2002-07-26 | 2004-01-31 | 주식회사 넥스콘 | A fluid control valve |
| CN203627978U (en) * | 2013-12-31 | 2014-06-04 | 慈溪市天硕工贸有限公司 | One-way ball valve |
| CN106224591A (en) * | 2016-08-29 | 2016-12-14 | 约翰斯顿流体科技（无锡）有限公司 | A kind of novel fire-fighting by-pass valve |
| CN206206754U (en) * | 2016-11-20 | 2017-05-31 | 江苏庆海石油机械有限公司 | A kind of fast-open stop valve |
| CN207762282U (en) * | 2017-12-21 | 2018-08-24 | 天津必优机电设备技术有限公司 | A kind of electronic non-return valve |
| CN108679287A (en) * | 2018-05-23 | 2018-10-19 | 河南工程学院 | It is a kind of can automatic shutter Fluid valve |
| CN208204028U (en) * | 2018-05-24 | 2018-12-07 | 陈鉴 | A kind of shut-off valve of preventing water leakage |
| CN108716569A (en) * | 2018-06-28 | 2018-10-30 | 安徽德锐迈液压机械有限公司 | A kind of durable fluid pressure valve device |
| CN108644407A (en) * | 2018-07-26 | 2018-10-12 | 苏州谊佳润机电制造有限公司 | A kind of good fixed forging steel ball valve valve seat of elastic effect |
| CN108953630A (en) * | 2018-08-08 | 2018-12-07 | 台州尚代洁具有限公司 | It is a kind of can multi-angle rotation tap |
| CN209430845U (en) * | 2018-12-29 | 2019-09-24 | 贵州大学 | A kind of valve with quick blocking effect |
Non-Patent Citations (1)
| Title |
|---|
| 王念;闫青;梁健;司彦教;李营;: "截止阀门全阻断密封结构设计", 机械工程师, no. 04, 10 April 2016 (2016-04-10), pages 114 - 116 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111155964A (en) * | 2020-03-10 | 2020-05-15 | 何华 | A exempt from to bore stopper cementing ware for oil development |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109519593B (en) | 2024-05-14 |
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