CN206468862U - Big flow relief valve - Google Patents
Big flow relief valve Download PDFInfo
- Publication number
- CN206468862U CN206468862U CN201720055501.9U CN201720055501U CN206468862U CN 206468862 U CN206468862 U CN 206468862U CN 201720055501 U CN201720055501 U CN 201720055501U CN 206468862 U CN206468862 U CN 206468862U
- Authority
- CN
- China
- Prior art keywords
- pressure
- pull bar
- water inlet
- pressure release
- valve body
- 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.)
- Active
Links
Landscapes
- Safety Valves (AREA)
Abstract
A kind of big flow relief valve, including valve body, valve body are provided with water inlet, pressure relief opening and pressure-releasing chamber, and pressure-releasing chamber is respectively communicated with water inlet and pressure relief opening；The pull bar of elastic reset slip is provided with pressure-releasing chamber, pull bar one end is provided with valve element, original state bottom spool elastic packing closing water inlet；The pull bar other end is provided with the pressure release actuating member of tool two or more claw, and valve body has the double wedge of lead-in chamfered provided with two or more, and claw is slided in lead-in chamfered, and when sliding into a high position, pressure release actuating member effect pull bar opens water inlet.The utility model has the advantages that：1. the pressure of safety and stability is accurately kept, once superpressure, water inlet is automatically opened up and pressure release in time；2. manual pressure release can be carried out by pressure release actuating member, it is simple and quick；3. water inlet and pressure release open area are larger, pressure release water-carrying capacity is big, therefore pressure release speed is fast.
Description
Technical field
The utility model is related to a kind of safety relief valve, more particularly to a kind of big flow relief valve, can be applicable to various hold
Pressure vessel, such as：Solar energy, air-source water heater, wall-hung boiler etc..
Background technology
Chinese patent literature CN102283582B disclosed a kind of relief valve on June 12nd, 2013, specifically disclosed：
Including the valve casing with the passage axially penetrated through, the side wall of valve casing is provided with the water inlet communicated with the passage；Passed through with axial direction
The valve seat for the passage worn, be fixed on be provided with the bottom of the passage of valve casing, the side wall of valve seat connection valve seat passage and it is described enter
The interface channel at the mouth of a river；Valve element with the exhalant canal for axially penetrating through and being communicated with the external world, is fixed on the bottom in valve seat；Valve
Set, in the passage of valve seat and can up and down sliding；First spring, is supported between valve element and valve pocket and makes valve pocket keep moving up
Trend, in the state of valve pocket is moved down, liquid-tight envelope coordinates between the perisporium energy of valve element upper end and the inwall of valve pocket, is moved up in valve pocket
In the state of, the gap that water supply stream passes through is formed between the perisporium energy of valve element upper end and the inwall of valve pocket；To promote on valve pocket
The valve rod of lower movement, positioned at the top of the passage of valve casing；Locking structure is driven, to drive the valve rod to move up and down, and energy
Valve rod is maintained to the state for promoting valve pocket to move down.This is complicated, and manufacturing cost is higher, and efficiency of assembling is low, and function list
One, therefore, it is necessary to be further improved.
Utility model content
The purpose of this utility model aims to provide a kind of simple and reasonable, pressure release efficiency high, internal pressure stabilization, reaction spirit
It is quick, applied widely, can manual pressure release big flow relief valve, to overcome weak point of the prior art.
A kind of big flow relief valve designed by this purpose, including valve body, valve body are provided with water inlet, pressure relief opening and pressure release
Chamber, pressure-releasing chamber is respectively communicated with water inlet and pressure relief opening；It is characterized in that：The pull bar of elastic reset slip is provided with pressure-releasing chamber,
Pull bar one end is provided with valve element, original state bottom spool elastic packing closing water inlet；The pull bar other end be provided with tool two with
The pressure release actuating member of upper claw, valve body has the double wedge of lead-in chamfered provided with two or more, and claw is slided in lead-in chamfered, and
When sliding into a high position, pressure release actuating member effect pull bar opens water inlet.
The claw extends radially outwardly in pressure release actuating member, and annular is uniform；The double wedge is raised in valve body end face, and
It is annular uniform；Claw is equal with double wedge quantity；Lead-in chamfered is arranged at the one or both sides of double wedge.
It is arranged with the pull bar in spring, pressure-releasing chamber and is fixed with spring base, spring one end is acted on pull bar, the other end
Acted on by spring base on valve body；Tie rod end exposes to valve body through spring base, and is connected with pressure release actuating member.
The tie rod end is provided with spring housing, and spring one end acts on pull bar by spring housing, and spring housing end face is smooth to be set
Put, for sealing closing water inlet.
The mold insert that the water inlet leads in being embedded with, mold insert end is provided with waterproof ring, and spring housing end face is sealed with waterproof ring
Coordinate.
The tie rod end is provided with annular groove, and pressure release actuating member is provided with oblique clasp, and oblique clasp back-off is in annular groove
On.
Bowl-type foot pad and/or packing ring are provided between the pull bar and pressure release cavity wall.
Rotated on the valve body and be provided with knob, knob linkage connection pressure release actuating member.
The valve body is assembled with safety valve base and safety valve joint, and safety valve base inner chamber connects with safety valve
Head inner chamber collectively constitutes the pressure-releasing chamber, and water inlet and pressure relief opening are respectively arranged on safety valve base, and double wedge is arranged at safety
Valve union end face.
The utility model has the advantages that：
1. the pressure of safety and stability is accurately kept, once superpressure, water inlet is automatically opened up and pressure release in time；
2. manual pressure release can be carried out by pressure release actuating member, it is simple and quick；
3. water inlet and pressure release open area are larger, pressure release water-carrying capacity is big, therefore pressure release speed is fast；
4. each action component is completely isolated with medium in valve body, be prevented effectively from because freeze or foreign matter caused by harmful effect；
5. being provided with the mold insert of special substance in valve body, it not only can effectively prevent water quality from corroding and turbulent flow corrosion, and
Top coordinates with seal spool, improves sealing；
6. valve body is using forging and stamping brass part, structural strength is big, can prevent from secretly splitting under extreme weather and stress is excessive causes
Damage；
7. pull bar slides into peak, then under the reset response of spring, because dynamics is larger, so vibration is produced,
The fouling of valve inner can be removed to a certain extent.
Brief description of the drawings
Fig. 1 is the exploded view of the embodiment of the utility model one；
Fig. 2 is the assembling figure of the embodiment of the utility model one；
Fig. 3 is the sectional view of the embodiment of the utility model one.
Embodiment
Below in conjunction with the accompanying drawings and embodiment is further described to the utility model.
Referring to Fig. 1-Fig. 3, this big flow relief valve, including valve body, valve body is provided with water inlet 1.1, pressure relief opening 1.2 and lets out
Chamber A, pressure-releasing chamber A is pressed to be respectively communicated with water inlet 1.1 and pressure relief opening 1.2；The pull bar 4 of elastic reset slip is provided with pressure-releasing chamber A,
The bottom of pull bar 4 is provided with valve element 4.3, and pressure-releasing chamber A is separated into chamber not connected up and down by valve element 4.3, and pull bar 4 is placed in epicoele
Interior, lower chambers are used to convey aqueous medium, the elastic packing of original state bottom spool 4.3 closing water inlet 1.1；The top of pull bar 4 is set
The pressure release actuating member 10 of three claws 10.1 of tool is equipped with, double wedge 8.1 of the valve body provided with three tool lead-in chamfereds, claw 10.1 is slided
When moving in lead-in chamfered, and sliding into a high position, the effect pull bar 4 of pressure release actuating member 10 opens water inlet 1.1.Drawn if hydraulic pressure is more than
During elastic force on bar 4, water inlet 1.1 is opened, and realizes releasing pressure automatically；It is some to need manual pressure release, made by pressure release actuating member 10
Moved with pull bar 4, open water inlet 1.1, realize manual pressure release.The relief valve of this structure can carry out automatically and manually pressure release,
It is suitable for different service conditions；And relief valve internal pressure is stable, water inlet 1.1 and the area of pressure relief opening 1.2 are larger, water-carrying capacity
Greatly, pressure release speed is fast.
Furtherly, claw 10.1 extends radially outwardly in pressure release actuating member 10, and annular is uniform；The double wedge 8.1 is convex
Valve body end face is arised from, and annular is uniform；Claw 10.1 is equal with the quantity of double wedge 8.1；Lead-in chamfered is arranged at the one of double wedge 8.1
Side.By rotating, three claws 10.1 can be slided in corresponding lead-in chamfered simultaneously, or be fallen simultaneously on valve body end face, and
When claw 10.1 starts to slide in lead-in chamfered, the horizontal level of pressure release actuating member 10 is moved, and pull bar 4 is followed shifting
It is dynamic, so as to open the pressure release of water inlet 1.1, manual pressure release is realized, its simple operation, and dependable performance；When claw 10.1 cross it is whole
Individual lead-in chamfered, due to lacking support, pressure release actuating member 10 elastic can be fallen after rise to valve body end face, resets valve element 4.3, and close
Envelope closing water inlet 1.1, relief valve integrally returns to normal operating conditions.
Furtherly, it is arranged with pull bar 4 in spring 5, pressure-releasing chamber A and is fixed with spring base 6, the one end of spring 5 acts on drawing
On bar 4, the other end is acted on valve body by spring base 6, pull bar 4 is slided with respect to valve body elastic reset；Wear the end of pull bar 4
Cross spring base 6 and expose to valve body, and be connected with pressure release actuating member 10.
Furtherly, the end of pull bar 4 is provided with spring housing 4.2, and the one end of spring 5 acts on pull bar 4, bullet by spring housing 4.2
Spring covers the smooth setting of 4.2 end faces, for sealing closing water inlet 1.1.
Furtherly, the mold insert 2 led to during water inlet 1.1 is embedded with, the end of mold insert 2 is provided with waterproof ring 2.1, waterproof ring 2.1
Top is pointed to be set, and the end face of spring housing 4.2 is sealed with waterproof ring 2.1 and is coordinated.
Furtherly, the end of pull bar 4 is provided with annular groove 4.1, and pressure release actuating member 10 is provided with oblique clasp 10.2, oblique clasp
10.2 back-offs are slided, can rotate, make relative to pull bar 4 again on annular groove 4.1, making pressure release actuating member 10 both to have acted on pull bar 4
Pull bar 4 lifts, and realizes manual pressure release.
Furtherly, bowl-type foot pad 3 and packing ring 7 are provided between pull bar 4 and pressure-releasing chamber A inwalls；The side wall of spring housing 4.2 with
Sealing ring is equipped between the inwall of bowl-type foot pad 3, sealing is improved.
Furtherly, rotated on valve body and be provided with knob 11, knob 11 is connected pressure release actuating member 10, passes through knob 11
The activity of pressure release actuating member 10 can be acted on and realize manual pressure release.
Furtherly, valve body is mutually spirally connected and formed by safety valve base 1 and safety valve joint 8, the inner chamber of safety valve base 1 with
The inner chamber of safety valve joint 8 collectively constitutes the pressure-releasing chamber A, and water inlet 1.1 and pressure relief opening 1.2 are respectively arranged at safety valve base 1
On, double wedge 8.1 is arranged at the end face of safety valve joint 8.
Specific works
Releasing pressure automatically：When hydraulic pressure is more than the elastic force of spring 5, hydraulic drives pull bar 4 overcomes the elastic force of spring 5 to slide up
It is dynamic, water inlet 1.1 is opened, water is discharged from pressure relief opening 1.2, realize releasing pressure automatically function；
Manual pressure release：Turning knob 11, pressure release actuating member 10 follows rotation, and claw 10.1 is slided along lead-in chamfered, makes to let out
Actuating member 10 is pressed to drive the upward sliding of pull bar 4, water inlet 1.1 is opened, and water is discharged from pressure relief opening 1.2, realizes manual decompression function.
Above-mentioned is preferred scheme of the present utility model, and general principle of the present utility model, principal character has been shown and described
With advantage of the present utility model.Those skilled in the art should be recognized that the utility model is not restricted to the described embodiments, on
State and simply illustrate principle of the present utility model described in embodiment and specification, do not departing from the utility model spirit and scope
On the premise of the utility model also have various changes and modifications, it is new that these changes and improvements both fall within this claimed practicality
In the range of type.The utility model is claimed scope and defined by appended claims and its equivalent.
Claims (9)
1. a kind of big flow relief valve, including valve body, valve body are provided with water inlet (1.1), pressure relief opening (1.2) and pressure-releasing chamber (A),
Pressure-releasing chamber (A) is respectively communicated with water inlet (1.1) and pressure relief opening (1.2)；It is characterized in that：Set in pressure-releasing chamber (A) flexible multiple
The pull bar (4) that position is slided, pull bar (4) one end is provided with valve element (4.3), original state bottom spool (4.3) elastic packing close into
The mouth of a river (1.1)；Pull bar (4) other end is provided with the pressure release actuating member (10) of tool two or more claw (10.1), and valve body is provided with
Two or more has the double wedge (8.1) of lead-in chamfered, and claw (10.1) is slided in lead-in chamfered, and when sliding into a high position, pressure release
Actuating member (10) effect pull bar (4) opens water inlet (1.1).
2. big flow relief valve according to claim 1, it is characterised in that：The claw (10.1) extends radially outwardly in letting out
Actuating member (10) is pressed, and annular is uniform；The double wedge (8.1) is raised in valve body end face, and annular is uniform；Claw (10.1) with it is convex
Tooth (8.1) quantity is equal；Lead-in chamfered is arranged at the one or both sides of double wedge (8.1).
3. big flow relief valve according to claim 2, it is characterised in that：Spring (5) is arranged with the pull bar (4), is let out
Spring base (6) is fixed with pressure chamber (A), spring (5) one end is acted on pull bar (4), and the other end is acted on by spring base (6)
On valve body；Pull bar (4) end exposes to valve body through spring base (6), and is connected with pressure release actuating member (10).
4. big flow relief valve according to claim 3, it is characterised in that：Pull bar (4) end is provided with spring housing
(4.2), spring (5) one end acts on pull bar (4) by spring housing (4.2), and spring housing (4.2) end face is smooth to be set, for sealing
Close water inlet (1.1).
5. big flow relief valve according to claim 4, it is characterised in that：The edge that the water inlet (1.1) is led in being embedded with
Part (2), mold insert (2) end is provided with waterproof ring (2.1), and spring housing (4.2) end face is sealed with waterproof ring (2.1) to be coordinated.
6. big flow relief valve according to claim 5, it is characterised in that：Pull bar (4) end is provided with annular groove
(4.1), pressure release actuating member (10) is provided with oblique clasp (10.2), and oblique clasp (10.2) back-off is on annular groove (4.1).
7. big flow relief valve according to claim 6, it is characterised in that：Between the pull bar (4) and pressure-releasing chamber (A) inwall
It is provided with bowl-type foot pad (3) and/or packing ring (7).
8. big flow relief valve according to claim 7, it is characterised in that：Rotated on the valve body and be provided with knob (11),
Knob (11) is connected pressure release actuating member (10).
9. according to any one of the claim 1-8 big flow relief valves, it is characterised in that：The valve body is by safety valve base
(1) it is assembled with safety valve joint (8) cooperation, safety valve base (1) inner chamber collectively constitutes institute with safety valve joint (8) inner chamber
Pressure-releasing chamber (A) is stated, water inlet (1.1) and pressure relief opening (1.2) are respectively arranged on safety valve base (1), and double wedge (8.1) is arranged at
Safety valve joint (8) end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720055501.9U CN206468862U (en) | 2017-01-16 | 2017-01-16 | Big flow relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720055501.9U CN206468862U (en) | 2017-01-16 | 2017-01-16 | Big flow relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206468862U true CN206468862U (en) | 2017-09-05 |
Family
ID=59706257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720055501.9U Active CN206468862U (en) | 2017-01-16 | 2017-01-16 | Big flow relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206468862U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114634147A (en) * | 2022-04-20 | 2022-06-17 | 塔罗斯科技股份有限公司 | Pressure relief structure of cask |
-
2017
- 2017-01-16 CN CN201720055501.9U patent/CN206468862U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114634147A (en) * | 2022-04-20 | 2022-06-17 | 塔罗斯科技股份有限公司 | Pressure relief structure of cask |
| CN114634147B (en) * | 2022-04-20 | 2024-04-23 | 塔罗斯科技股份有限公司 | Decompression structure of wine barrel |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206468862U (en) | Big flow relief valve | |
| CN204664492U (en) | Water filter safety valve | |
| CN208364919U (en) | Water stop mechanism | |
| CN202493757U (en) | Novel piston-type float ball valve | |
| CN211624270U (en) | Bidirectional pressure-bearing hard-sealing eccentric half-ball valve | |
| CN109973699B (en) | High-efficient high-speed discharge valve | |
| CN2289103Y (en) | Plunger type check valve | |
| CN204345017U (en) | The anti-aeration valve water leakage device of a kind of generator's motor shaft | |
| CN206449287U (en) | A kind of self-locking mechanical ball-cock assembly | |
| CN209725234U (en) | A kind of ceramic seal butterfly valve | |
| CN203835774U (en) | Water inlet bottom valve of water pump | |
| CN207599058U (en) | A kind of safety valve | |
| CN201159286Y (en) | Drainage valve | |
| CN201884704U (en) | Novel spherical valve with double block and drain structure | |
| CN205937863U (en) | Stop valve | |
| CN201610964U (en) | Self-closing check valve | |
| CN219102106U (en) | High-sealing tap | |
| CN212536753U (en) | Practical ball valve | |
| CN205592447U (en) | Shut -down self -closing valve | |
| CN204738782U (en) | Piston float collar float shoe | |
| CN209705345U (en) | Check valve | |
| CN218118612U (en) | Valve core structure of stop valve | |
| CN215445190U (en) | Check valve with low pressure loss | |
| CN211474933U (en) | Eccentric rotary ball valve with replaceable ball body | |
| CN210164901U (en) | Stop valve with elastic groove valve clack and valve seat structure |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |