CN104613223B - Self-operated type manual multifunctional mortar flow control valve - Google Patents
Self-operated type manual multifunctional mortar flow control valve Download PDFInfo
- Publication number
- CN104613223B CN104613223B CN201510056709.8A CN201510056709A CN104613223B CN 104613223 B CN104613223 B CN 104613223B CN 201510056709 A CN201510056709 A CN 201510056709A CN 104613223 B CN104613223 B CN 104613223B
- Authority
- CN
- China
- Prior art keywords
- mortar
- pressure adjusting
- adjusting lever
- elastic telescopic
- level
- 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.)
- Expired - Fee Related
Links
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
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a kind of self-operated type manual multifunctional mortar flow control valves, including the mortar overflow chamber resettling with overflow pipe being connected can be responsible for the mortar, being provided between mortar supervisor and mortar overflow chamber resettling allows over-pressed mortar to be responsible for the spout hole for flowing into mortar overflow chamber resettling through mortar, the pressure adjusting lever for opening and closing spout hole for stretching out mortar overflow chamber resettling upwards is provided in mortar overflow chamber resettling, the mechanism for opening/closing being adapted to the spout hole is provided in the bottom of pressure adjusting lever, top is equipped with the rotating handles that control pressure adjusting rod moves down, it is disposed with controller perturbation mechanism with two guide rods of at least two groups for adjusting pressure adjusting lever pressing force along the length direction of the pressure adjusting lever.There is no mortar retention problems, substantially increase the fluency and stability of work.Using two-stage elastic controller, adjustable range increases, and is suitble to the mortar conveying equipment of various pressure.
Description
Technical field
The present invention relates to valve technology fields, are used for fluid delivery system, and in particular to a kind of self-operated type manual multifunctional
Mortar flow control valve.
Background technology
Direct-operated regulator by flowing through the pressure, temperature of medium itself in valve as driven by energy valve automatic work,
External power supply and secondary meter are not needed.Also known as self force type control valve.Direct-operated regulator all utilizes the feedback letter of valve output end
Number (pressure, pressure difference, temperature) is transmitted to the aperture that executing agency drives flap to change valve by signal pipe, reaches adjusting pressure
The purpose of power, flow, temperature.Self-contained pressure regulator can work, both because it is not necessarily to external energy in place of no electricity without gas
It is convenient to have saved the energy again.Pressure segmentation limit is thin and crosses one another, and degree of regulation is high.Executing agency surveys precision height, action spirit
It is quick.Using pressure balance mechanism, so that regulating valve is quick on the draw, control accurate advantage, and is widely used in mortar conveying, warms up
The fields such as gas and fuel feeding.
102829221 A of CN disclose a kind of self-operated type steady flow control valve, including valve body, valve deck, into bellmouth and go out bellmouth,
Throat bushing is equipped in valve body, throat bushing interior sealing connects pressure-regulating sleeve and flap, is formed in cavity and is set between pressure-regulating sleeve and flap
There is valve rod, disc spring is cased on valve rod, valve deck is stretched out in the upper end of valve rod, and the lower end of valve rod is flexibly connected with flap, is set on valve rod
There are clamp spring, the lower face of clamp spring to be contacted with the upper surface of pressure-regulating sleeve；Be arranged with groove in the excircle of throat bushing, groove it is upper
End is communicated with the cavity above pressure-regulating sleeve jointly, and the lower end of groove is communicated with into bellmouth, and circle is respectively equipped in the lower end of throat bushing
The restriction of Zhou Junbu；It is equipped with hollow valve seat in the bottom of valve body, the hollow portion of valve seat is communicated with bellmouth is gone out, valve seat and flap
It fastens.The pressure-regulating valve has from pressure adjusting function, i.e., when upstream pressure has fluctuation, can automatically adjust restriction and open
Degree, to ensure stability of flow to a certain extent.
Although above-mentioned patent has from pressure adjusting function, the problem is that pressure can not be adjusted on a large scale
Size, and the structure of especially valve body uses curved shape, liquid are needed from the bottommost of curved shape import open-top flap upwards
Then another export pipeline is reached, the field such as oils, heating supply etc. that this structure is used in neat liquid can be realized, if
Used in mortar transportation art, due to curved valve body, mortar is worked as by the import of bottom into fashionable because of the gravity of itself in bottom
By retentate portion mortar, subsequent mortar is caused to can not be successfully into valve body, often mortar is trapped in the bottom of valve body, and mixes
Water will wash open flap reach export pipeline, lead to the adjusting defective valve.
CN201434091 discloses direct-operated regulator, including spool and valve seat；It is characterized in that：The spool is ball
Type structure, matching between spool and valve seat are combined into line and contact.
Although above-mentioned patent solves the problems, such as mortar delay, but the adjustable range of the regulating valve is smaller, therefore applies
Field is restricted, and pressure adjusts inconvenience.
Invention content
In view of the deficienciess of the prior art, the technical problem to be solved by the invention is to provide a kind of reasonable for structure, tune
Section is convenient, and pressure regulation spectrum is big, and application field is extensive, and there is no the self-operated type manual multifunctional mortars of mortar retention problems
Flow control valve.
In order to solve the above technical problems, the technical solution used in the present invention is：A kind of self-operated type manual multifunctional mortar
Flow control valve, including it can be responsible for the mortar overflow chamber resettling with overflow pipe being connected with the mortar, it is responsible in mortar
Being provided between mortar overflow chamber resettling allows over-pressed mortar to be responsible for the overflow for flowing into mortar overflow chamber resettling through mortar
Hole is provided with the pressure for opening and closing spout hole for stretching out mortar overflow chamber resettling upwards in mortar overflow chamber resettling
Adjusting rod, the mechanism for opening/closing being adapted to the spout hole is provided in the bottom of pressure adjusting lever, and top is equipped with control pressure tune
The rotating handles that pole moves down, along the length direction of the pressure adjusting lever be disposed at least two groups for adjust pressure
The controller perturbation mechanism with two guide rods of draft control lever pressing force.
Above-mentioned self-operated type manual multifunctional mortar flow control valve, the controller perturbation mechanism include holding from mortar overflow
Set the level-one elastic controller and two level elastic controller that chamber is sequentially arranged above.
Above-mentioned self-operated type manual multifunctional mortar flow control valve, the level-one elastic controller include when over-pressed sand
Mechanism for opening/closing is opened when slurry is flowed through spout hole to mortar overflow chamber resettling and is worn with what pressure adjusting lever moved upwardly together
The first elastic telescopic plate of two guide rods is crossed, second to be slidably matched with two guide rods is set above the first elastic telescopic plate
Elastic telescopic plate is socketed level-one spring, institute outside the pressure adjusting lever between the first elastic telescopic plate and the second elastic telescopic plate
It states to be provided on two guide rods between the first elastic telescopic plate and the second elastic telescopic plate and act on the first elastic telescopic plate
The level-one of the springing stroke for adjusting level-one spring adjust location nut, the two level elastic controller is included in second
The positioning plate being arranged above elastic telescopic plate, the pressure adjusting lever between the second elastic telescopic plate and positioning plate are socketed two level bullet outside
Spring, be equipped on the guide rod of the upper and lower ends face of the positioning plate act on positioning plate both ends of the surface for adjusting two-level spring
The two level of springing stroke adjusts location nut.
Above-mentioned self-operated type manual multifunctional mortar flow control valve, two guiding between the positioning plate and rotating handles
The guide plate moved up that can be lifted with pressure adjusting lever for allowing pressure adjusting lever to pass through is provided on bar, the pressure is adjusted
Bar is connect with guide plate by helicitic texture.
Above-mentioned self-operated type manual multifunctional mortar flow control valve is provided on the second elastic telescopic plate and second
What elastic telescopic plate was threadedly coupled is used to limit the limit lock pin that the first elastic telescopic plate moves up distance, the limit lock pin
It is fixedly connected with the second elastic telescopic plate by locking nut.
Above-mentioned self-operated type manual multifunctional mortar flow control valve, the first elastic telescopic plate are accommodating with mortar overflow
Being provided on pressure adjusting lever between chamber with pressure adjusting lever while can move up and push the first elastic telescopic plate pressure
The nut body of contracting level-one spring, the nut body are threadedly coupled with pressure adjusting lever, nut body be set to mortar overflow accommodating cavity
Pilot sleeve slide-and-guide connection above room.
Above-mentioned self-operated type manual multifunctional mortar flow control valve, the mechanism for opening/closing include being welded with pressure adjusting lever
Or the ball shape rotary body for the connection that is screwed, the outside of ball shape rotary body are provided with the rotation that can surround the rotation of ball shape rotary body
Block, the bottom of the spill spin block are provided with the keying sphere that spout hole is blocked when pressure adjusting lever moves down.
The advantages of self-operated type manual multifunctional mortar flow control valve of the present invention is：Simple and compact for structure, vulnerable part is cheap
And replacement is efficient and convenient, maintenance costs are low, and the course of work is reliable and stable, small, mobile flexible, by the regulating valve application
Onto pumping equipment, spray gun or Mortar spraying machine can be directly connected with the mortar conveyer on ground, no matter is spray gun
It is turned on or off, does not influence the normal use of remaining spray gun or Mortar spraying machine, using two-stage elastic controller, adjust
Adjusting range increases, and is suitble to the mortar conveying equipment of various pressure.Keying sphere is ball shape structure, opens and closes sphere and is formed with spout hole
Linear sealing solves the problems, such as that flat structure and control characteristic are too fast, overcome plunger piston type structure control characteristic it is excessively slow lack
Point has excellent control characteristic；Spool forms linear sealing with valve seat, and sealing effect is more preferable, more reliable；It is ball because opening and closing sphere
Shape, so it only just can guarantee in the case where spool is concentric with valve seat not as plate and plunger piston type single seat valve core
Sealed reliable at throttling.And spherical structure can guarantee and can be sealed as long as sealing surface contacts, and can be aligned with adjust automatically
The heart, and the mode that mortar supervisor is directly connected to mortar overflow chamber resettling, are not present mortar retention problems, substantially increase
The fluency and stability of work.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the partial structurtes enlarged drawing of part A in Fig. 1；
Fig. 3 is the partial structurtes enlarged drawing of part B in Fig. 1.
Specific implementation mode
Below in conjunction with the accompanying drawings and specific embodiment is described in further details the present invention；
As shown in Figure 1, 2, 3, a kind of self-operated type manual multifunctional mortar flow control valve, including can be responsible for the mortar
The 7 connected mortar overflow chamber resettling 12 with overflow pipe 11 set between mortar supervisor 7 and mortar overflow chamber resettling 12
Being equipped with allows over-pressed mortar to be responsible for 7 spout holes 13 for flowing into mortar overflow chamber resettling 12 through mortar, and the mortar overflow is accommodating
It is provided with the pressure adjusting lever 14 for opening and closing spout hole 13 for stretching out mortar overflow chamber resettling 12 upwards in chamber 12, is pressing
The bottom of draft control lever 14 is provided with the mechanism for opening/closing 15 being adapted to the spout hole 13, and mechanism for opening/closing 15 includes being adjusted with pressure
Bar 14 welds or the ball shape rotary body 16 for the connection that is screwed, and the outside of ball shape rotary body 16, which is provided with, can surround ball shape rotary body
The bottom of the spill spin block 17 of 16 rotations, the spill spin block 17 is provided with the closure spout hole 13 when pressure adjusting lever 14 moves down
Keying sphere 18.It is equipped with the rotation that control pressure adjusting rod 14 is moved down or is lifted up at the top of pressure adjusting lever 14
Handle hand 19 is disposed at least two groups along the length direction of the pressure adjusting lever 14 and is pressed for adjusting pressure adjusting lever 14
The controller perturbation mechanism 21 with two guide rods 20 of clamp force.
In the present embodiment, controller perturbation mechanism 21 be arranged two groups, be respectively from the top of mortar overflow chamber resettling 12 according to
The secondary level-one elastic controller 22 set up and two level elastic controller 23.
Level-one elastic controller 22 includes when over-pressed mortar 24 is flowed through spout hole 13 to mortar overflow chamber resettling 12
The first elastic telescopic plate across two guide rods 20 that Shi Dingqi opens and closes sphere 18 and moved upwardly together with pressure adjusting lever 14
25, the second elastic telescopic plate 26 that the setting of the top of the first elastic telescopic plate 25 is slidably matched with two guide rods 20, the
The external socket level-one spring 27 of pressure adjusting lever 14 between one elastic telescopic plate 25 and the second elastic telescopic plate 26, described the
It is provided on two guide rods 20 between one elastic telescopic plate 25 and the second elastic telescopic plate 26 and acts on the first elastic telescopic plate
The level-one of the springing stroke for adjusting level-one spring 27 on 25 adjusts location nut 28, the two level elastic controller 23
It is included in the positioning plate 29 of the top setting of the second elastic telescopic plate 26, the pressure between the second elastic telescopic plate 26 and positioning plate 29
The external of draft control lever 14 is socketed two-level spring 30, and work is equipped on two guide rods 20 of the upper and lower ends face of the positioning plate 29
The two level for adjusting 30 springing stroke of two-level spring for 29 upper and lower ends face of positioning plate adjusts location nut 31.Second bullet
Property expansion plate 26 on be provided be threadedly coupled with the second elastic telescopic plate 26 for limiting the first elastic telescopic plate 25 to moving up
The limit lock pin 32 of dynamic distance, the limit lock pin 32 are fixed on the second elastic telescopic by locking nut 33 by lock pin 32 is limited
On plate 26.In general, the load of level-one spring 27 be less than two-level spring 30 load, when in order to make pressure adjusting lever 14 by
Stress can be deformed first when the upward pressure of over-pressed mortar 24, second is that prevent excessive pressure from exceeding level-one spring 27
Load, cause level-one spring 27 damage and fail, therefore when pressure beyond level-one spring 27 load when, due to limiting lock
The effective deformation amount of level-one spring 27 set by pin 32, when reaching the setting alternating compression amount of limit lock pin 32, the first bullet
Property expansion plate 25 on the pressure that is born will pass to the second elastic telescopic plate 26 by limiting lock pin 32, the second elasticity at this time
26 stress of expansion plate moves up, and compresses two-level spring 30, and two-level spring 30 will work at this time, at the same time, level-one spring
27 move upwardly together the flexible deformation remained unchanged with the first elastic telescopic plate 25 and the second elastic telescopic plate, compress two level
Spring 30, therefore effective protection level-one spring 27.
When adjusting pressure adjusting lever 14 for the first time, need pressure adjusting lever 14 screwing in mortar overflow chamber resettling 12 downwards
It is interior, and enable and open and close the sealing spout hole 13 tightly of sphere 18, therefore, setting such as lower structure：Positioning plate 29 and rotation
Being provided on two guide rods 20 between handle 19 allows being lifted with pressure adjusting lever 14 upwards of passing through of pressure adjusting lever 14
Mobile guide plate 33, the pressure adjusting lever 14 are connect with guide plate 33 by helicitic texture, in the present embodiment, are being oriented to
The center weld of plate 33 has a nut 34, and pressure adjusting lever 14 is threadedly coupled with the nut 34, when rotating rotating handles 19, pressure
Draft control lever 14 can move down, while be separately provided for what restricted guidance plate 33 moved down on two guide rods 20
Location nut 34.It, can be by pressure to make pressure adjusting lever 14 when the pressure by over-pressed mortar 24 moves up
Level-one elastic controller 22 and two level elastic controller 23 reasonably are passed to, is overflow with mortar in the first elastic telescopic plate 25
Being provided on pressure adjusting lever 14 between stream chamber resettling 12 with pressure adjusting lever 14 while can move up and push first
Elastic telescopic plate 25 compresses the nut body 34 of level-one spring 27, and the nut body 34 is threadedly coupled with pressure adjusting lever 14, nut
Body 34 is connect with 35 slide-and-guide of pilot sleeve set on 12 top of mortar overflow chamber resettling, and pilot sleeve 35 can play standard
Determine the effect of position nut body, meanwhile, axle sleeve 36, Neng Gouqi can be installed between the first elastic telescopic plate 25 and nut body 34
To the direct friction for reducing the first elastic telescopic plate 25 and nut body 34, the service life of the two is extended, is also improved simultaneously
The precision of the concentricity when being moved up by jack-up of pressure adjusting lever 14.
Certainly, above description is not limitation of the present invention, and the present invention is also not limited to the example above, the art
Those of ordinary skill, the present invention essential scope in, the variations, modifications, additions or substitutions made, should all belong to the present invention
Protection domain.
Claims (5)
1. a kind of self-operated type manual multifunctional mortar flow control valve includes being responsible for the mortar with overflow pipe being connected with mortar
Overflow chamber resettling is provided with the over-pressed mortar of permission between mortar supervisor and mortar overflow chamber resettling and is responsible for inflow through mortar
The spout hole of mortar overflow chamber resettling is provided in mortar overflow chamber resettling and stretches out mortar overflow chamber resettling upwards
For opening and closing the pressure adjusting lever of spout hole, the headstock gear being adapted to the spout hole is provided in the bottom of pressure adjusting lever
Structure, top are equipped with the rotating handles that control pressure adjusting rod moves down, and the length direction along the pressure adjusting lever is set successively
It is equipped with controller perturbation mechanism with two guide rods of at least two groups for adjusting pressure adjusting lever pressing force, the controller perturbation
Mechanism includes the level-one elastic controller being sequentially arranged above from mortar overflow chamber resettling and two level elastic controller, institute
It includes opening mechanism for opening/closing when over-pressed mortar is flowed through spout hole to mortar overflow chamber resettling to state level-one elastic controller
And the first elastic telescopic plate across two guide rods moved upwardly together with pressure adjusting lever, on the first elastic telescopic plate
The second elastic telescopic plate that side's setting is slidably matched with two guide rods, between the first elastic telescopic plate and the second elastic telescopic plate
Pressure adjusting lever outside be socketed level-one spring, on two guide rods between the first elastic telescopic plate and the second elastic telescopic plate
The level-one for being provided with the springing stroke for adjusting level-one spring acted on the first elastic telescopic plate adjusts location nut, institute
It states two level elastic controller and is included in the positioning plate being arranged above the second elastic telescopic plate, the second elastic telescopic plate and positioning plate
Between pressure adjusting lever outside be socketed two-level spring, be equipped on the guide rod of the upper and lower ends face of the positioning plate act on it is fixed
The two level for adjusting two-level spring springing stroke of position plate both ends of the surface adjusts location nut, and the valve is by spray gun or mortar spraying
Machine is directly connected with the mortar conveyer on ground.
2. self-operated type manual multifunctional mortar flow control valve according to claim 1, it is characterized in that：The positioning plate with
Being provided on two guide rods between rotating handles allows being lifted with pressure adjusting lever of passing through of pressure adjusting lever to move up
Guide plate, the pressure adjusting lever connect with guide plate by helicitic texture.
3. self-operated type manual multifunctional mortar flow control valve according to claim 1, it is characterized in that：Second elasticity
Be provided on expansion plate be threadedly coupled with the second elastic telescopic plate move up distance for limiting the first elastic telescopic plate
Lock pin is limited, the limit lock pin is fixedly connected by locking nut with the second elastic telescopic plate.
4. self-operated type manual multifunctional mortar flow control valve according to claim 1, it is characterized in that：First elasticity
It is provided with and can simultaneously be moved up simultaneously with pressure adjusting lever on pressure adjusting lever between expansion plate and mortar overflow chamber resettling
The nut body of the first elastic telescopic plate compression level-one spring, the nut body is pushed to be threadedly coupled with pressure adjusting lever, nut body
It is connect with the pilot sleeve slide-and-guide above mortar overflow chamber resettling.
5. self-operated type manual multifunctional mortar flow control valve according to claim 1, it is characterized in that：The mechanism for opening/closing
Include with pressure adjusting lever welding or the ball shape rotary body connecting that is screwed, the outside of ball shape rotary body, which is provided with, can surround ball
The spill spin block of shape rotary body rotation, the bottom of the spill spin block, which is provided with, blocks spout hole when pressure adjusting lever moves down
Open and close sphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510056709.8A CN104613223B (en) | 2015-01-30 | 2015-01-30 | Self-operated type manual multifunctional mortar flow control valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510056709.8A CN104613223B (en) | 2015-01-30 | 2015-01-30 | Self-operated type manual multifunctional mortar flow control valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104613223A CN104613223A (en) | 2015-05-13 |
| CN104613223B true CN104613223B (en) | 2018-08-31 |
Family
ID=53147810
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510056709.8A Expired - Fee Related CN104613223B (en) | 2015-01-30 | 2015-01-30 | Self-operated type manual multifunctional mortar flow control valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104613223B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107461507A (en) * | 2016-12-30 | 2017-12-12 | 郴州万墨环保科技有限公司 | A kind of self compensation vacuum valve |
| CN107570588A (en) * | 2017-09-11 | 2018-01-12 | 安徽盛达前亮铝业有限公司 | A kind of aluminium section bar stepping punching mould |
| CN108096660A (en) * | 2018-01-08 | 2018-06-01 | 美茵（北京）医疗器械研发有限公司 | A kind of flushing aspirator of pressure adjustable |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1941055A1 (en) * | 1969-08-12 | 1971-02-25 | Aerzener Maschf Gmbh | Spring-loaded safety and / or control valve |
| US4357956A (en) * | 1980-08-12 | 1982-11-09 | Bopp & Reuther Gmbh | Safety valve with vibration-damped valve spring |
| CN201326791Y (en) * | 2008-12-30 | 2009-10-14 | 杭州华惠阀门有限公司 | Low-and-medium-pressure safety valve |
| CN202746691U (en) * | 2012-07-04 | 2013-02-20 | 浙江恒华阀门有限公司 | Safety valve for ships |
| CN204611066U (en) * | 2015-01-30 | 2015-09-02 | 胡维毅 | Self-powering type manual multifunctional mortar flow control valve |
-
2015
- 2015-01-30 CN CN201510056709.8A patent/CN104613223B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1941055A1 (en) * | 1969-08-12 | 1971-02-25 | Aerzener Maschf Gmbh | Spring-loaded safety and / or control valve |
| US4357956A (en) * | 1980-08-12 | 1982-11-09 | Bopp & Reuther Gmbh | Safety valve with vibration-damped valve spring |
| CN201326791Y (en) * | 2008-12-30 | 2009-10-14 | 杭州华惠阀门有限公司 | Low-and-medium-pressure safety valve |
| CN202746691U (en) * | 2012-07-04 | 2013-02-20 | 浙江恒华阀门有限公司 | Safety valve for ships |
| CN204611066U (en) * | 2015-01-30 | 2015-09-02 | 胡维毅 | Self-powering type manual multifunctional mortar flow control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104613223A (en) | 2015-05-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101668977B (en) | High-pressure valve | |
| CN104613223B (en) | Self-operated type manual multifunctional mortar flow control valve | |
| CN205859196U (en) | The valve body of regulating flow quantity | |
| CN107061817A (en) | A kind of trequency piston type constant pressure valve | |
| CN102425541B (en) | Constant power valve | |
| CN108915651B (en) | Bridge type concentric constant pressure water distributor | |
| CN201475456U (en) | Liquid constant flow regulating valve | |
| CN204647452U (en) | A kind of nuclear power pressure adjustment type safety check | |
| CN107166066B (en) | A kind of non-return valve and liquid oxygenation transportation system of liquid oxygenation transportation system | |
| CN203743523U (en) | Adjustable one-way valve | |
| CN204201181U (en) | Flow control device | |
| CN204611066U (en) | Self-powering type manual multifunctional mortar flow control valve | |
| CN202441347U (en) | Constant-flow water distributor | |
| CN204756040U (en) | Adjustable check valve | |
| CN201731134U (en) | Pressure reducing valve | |
| CN207715860U (en) | A kind of pressure reduction structure with check-valves | |
| CN108413105B (en) | Improved regulating valve | |
| CN208546572U (en) | A kind of Fluorine-lined operated micropressure adjusting valve | |
| CN108397563B (en) | Automation valve mechanism for eluting water integration apparatus | |
| CN202302164U (en) | Piston type air pressure regulating and reducing valve | |
| CN203335383U (en) | Pressure regulating valve of high-pressure pump | |
| CN2244657Y (en) | Self-pressure stabilizing valve | |
| CN206036327U (en) | Two channel flow control valve | |
| CN207848511U (en) | A kind of adjustable pressure reducing valve | |
| CN206036379U (en) | Flow control valve through dual fail -safe buffering |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180831 Termination date: 20220130 |