CN208967069U - Pressure relief valve core and pressure relief valve - Google Patents
Pressure relief valve core and pressure relief valve Download PDFInfo
- Publication number
- CN208967069U CN208967069U CN201821346411.6U CN201821346411U CN208967069U CN 208967069 U CN208967069 U CN 208967069U CN 201821346411 U CN201821346411 U CN 201821346411U CN 208967069 U CN208967069 U CN 208967069U
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- Prior art keywords
- pressure
- bleed
- valve
- insert body
- pressure release
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- 238000007789 sealing Methods 0.000 claims abstract description 74
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 230000000740 bleeding effect Effects 0.000 claims description 33
- 230000037361 pathway Effects 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 49
- 238000002347 injection Methods 0.000 abstract description 28
- 239000007924 injection Substances 0.000 abstract description 28
- 238000000034 method Methods 0.000 abstract description 12
- 230000008569 process Effects 0.000 abstract description 11
- 239000003921 oil Substances 0.000 description 9
- 238000009434 installation Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 244000043261 Hevea brasiliensis Species 0.000 description 2
- 229920000459 Nitrile rubber Polymers 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 229920003052 natural elastomer Polymers 0.000 description 2
- 229920001194 natural rubber Polymers 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000237970 Conus <genus> Species 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- 235000020681 well water Nutrition 0.000 description 1
- 239000002349 well water Substances 0.000 description 1
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- Taps Or Cocks (AREA)
Abstract
The utility model provides a pressure relief valve core and pressure relief valve. Wherein, the pressure release valve core includes: the valve core body and a first sealing ring are sleeved on the outer side surface of the valve core body; the valve core body is provided with a pressure release channel, the side wall of the valve core body is provided with a pressure release hole communicated with the pressure release channel, and the pressure release hole is positioned below the first sealing ring. The utility model discloses the pressure release case and pressure release valve, the pressure release case can be directly installed in the valve body of current water injection well single current valve, the inlet channel intercommunication of pressure release passageway and single current valve body, the liquid outlet channel intercommunication of pressure release hole and single current valve body, first sealing washer is sealed between to case and the valve body, the water in water injection well shaft bottom is in proper order through liquid outlet channel, the pressure release hole, pressure release passageway and inlet channel return oil gas water processing system, make the pipeline when the liquid in water injection well shaft bottom is along the water injection, backward flow flows back oil gas water processing system, need not to install interim pressure release pipeline, operation process is simple, the pressure release is efficient.
Description
Technical field
The utility model relates to valve technology fields more particularly to one kind to bleed off pressure spool and pressure release valve.
Background technique
Water injection well in oilfield development process, is injected water by special water injection well for the well to oil-bearing stratum flooding
Oil reservoir keeps or restores formation pressure, so that oil reservoir is had stronger driving force, to improve the exploitation rate and recovery ratio of oil reservoir.Note
Well need to bleed off pressure reduction strata pressure because of reasons such as periphery stepout well, well workovers.
The well head of water injection well is usually fitted with the ball-and-seat filled the water to shaft bottom.Referring to Fig.1, existing ball-and-seat includes valve
Body 6, valve deck 7 and ball-and-seat core 8, note well water flow to liquid outlet channel 62 from feed pathway 61, reach shaft bottom.In order to avoid single stream
The influence of valve, for existing water injection well when bleeding off pressure, connection temporarily bleeds off pressure pipeline from production valve generally on the outside of well head, makes sewage
Into hydrocarbon production system, sewage disposal system is entered after water-oil separating.
But it is existing bleed off pressure mode need to get angry welding installation temporarily bleed off pressure pipeline, bleed off pressure after the completion of need dismounting face
When bleed off pressure pipeline, operating process is complicated, bleeds off pressure low efficiency.
Utility model content
The utility model provides one kind and bleeds off pressure spool and pressure release valve, and need to get angry weldering in a manner of solving existing water injection well and bleed off pressure
It connects installation and temporarily bleeds off pressure pipeline, need to remove after the completion of bleeding off pressure and temporarily bleed off pressure pipeline, operating process complexity bleeds off pressure the skill of low efficiency
Art problem.
The utility model provides one kind and bleeds off pressure spool comprising: it insert body and is set on the outside of the insert body
First sealing ring in face；The insert body is equipped with and bleeds off pressure channel, and the side wall of the insert body be equipped with it is described bleed off pressure it is logical
Road connection bleeds off pressure hole, the lower section for bleeding off pressure hole and being located at first sealing ring.
Spool is bled off pressure as described above, further includes the fixed group of the first sealing ring for being set in the insert body lateral surface
Part；In the top for bleeding off pressure hole, the insert body lateral surface is equipped with baffle ring, and the top of the baffle ring is successively set from bottom to top
Set first sealing ring and the first sealing ring fixation kit.
Spool is bled off pressure as described above, wherein the first sealing ring fixation kit includes being sequentially sleeved at from bottom to top
The lock ring and circlip of the insert body lateral surface；The insert body lateral surface is equipped with clamping groove；The circlip
It is caught in the clamping groove, first sealing ring is fixed between the lock ring and the baffle ring.
Spool is bled off pressure as described above, wherein the second sealing ring is equipped between the lock ring and the insert body.
Spool is bled off pressure as described above, wherein the first sealing ring fixation kit includes being arranged in the insert body
On external thread part and swivel nut, and the external thread part is located at the top of the baffle ring；The swivel nut and the external thread part
It is threadedly coupled, first sealing ring is fixed between the baffle ring and the external thread part.
Spool is bled off pressure as described above, wherein the hole that bleeds off pressure is round hole.
Bleed off pressure spool as described above, wherein it is described bleed off pressure hole be it is multiple, circumferentially-spaced along the insert body is set
It sets.
Spool is bled off pressure as described above, wherein in the lower section for bleeding off pressure hole, the insert body is additionally provided with equipped with valve
Valve.
Spool is bled off pressure as described above, wherein the upper end of the insert body is equipped with operational instrument connection screw thread hole.
The utility model also provides a kind of pressure release valve comprising valve body, the valve deck being fixedly connected with the valve body and such as
Spool is bled off pressure described in upper；The channel that bleeds off pressure for bleeding off pressure spool is connected to the intracorporal feed pathway of the valve, the pressure release valve
The hole that bleeds off pressure of core is connected to the intracorporal liquid outlet channel of the valve.
The utility model bleeds off pressure spool and pressure release valve, bleeds off pressure the valve that spool can be directly installed on existing water injection well ball-and-seat
In vivo, it bleeds off pressure channel to be connected to the feed pathway of ball-and-seat valve body, bleeds off pressure hole and be connected to the liquid outlet channel of ball-and-seat valve body, first
Sealing ring is sealed between spool and valve body ontology, and the water in water injection well shaft bottom successively passes through liquid outlet channel, bleeds off pressure hole, bleeds off pressure
Channel and feed pathway return to oil-gas-water treating system, so that the pipeline when liquid in water injection well shaft bottom is along water filling, reversely
Oil-gas-water treating system is flowed back to, temporarily bleeds off pressure pipeline without installation, operating process is simple, bleeds off pressure high-efficient.
Detailed description of the invention
By referring to accompanying drawing described in detail below, the above and other purpose of the utility model embodiment, feature and excellent
Point will become more clearly understood from.In the accompanying drawings, by by example and it is unrestricted in a manner of multiple implementations to the utility model
Example is illustrated, in which:
Fig. 1 is the cross-sectional view of existing ball-and-seat；
Fig. 2 is the cross-sectional view that the utility model embodiment bleeds off pressure spool；
Fig. 3 is the cross-sectional view for the insert body that the utility model embodiment bleeds off pressure spool；
Fig. 4 is that the utility model embodiment bleeds off pressure spool and draws the cross-sectional view of valve tool；
Fig. 5 is the cross-sectional view of the utility model embodiment pressure release valve；
Fig. 6 is that the liquid of the utility model embodiment pressure release valve flows to schematic diagram.
Description of symbols:
1: insert body；
11: bleeding off pressure channel；
12: bleeding off pressure hole；
13: baffle ring；
14: flap；
15: operational instrument connection screw thread hole；
2: the first sealing rings；
3: lock ring；
4: circlip；
5: the second sealing rings；
6: valve body；
61: feed pathway；
62: liquid outlet channel；
7: valve deck；
8: ball-and-seat core；
9: drawing valve tool.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
Fig. 2 is the cross-sectional view that the utility model embodiment bleeds off pressure spool；Fig. 3 is that the utility model embodiment bleeds off pressure spool
The cross-sectional view of insert body；Fig. 4 is that the utility model embodiment bleeds off pressure spool and draws the cross-sectional view of valve tool；Fig. 5 is that this is practical
The cross-sectional view of new embodiment pressure release valve；Fig. 6 is that the liquid of the utility model embodiment pressure release valve flows to schematic diagram.
Referring to Fig. 2 to Fig. 6, the utility model embodiment provides one kind and bleeds off pressure spool comprising: insert body 1 and set
It is located at the first sealing ring 2 of 1 lateral surface of insert body；Insert body 1 is equipped with and bleeds off pressure channel 11, and the side wall of insert body 1 is set
Have and bleed off pressure hole 12 with bleed off pressure that channel 11 is connected to, bleeds off pressure the lower section that hole 12 is located at the first sealing ring 2.
Insert body 1 can be cylindrical structure, and the axial direction for bleeding off pressure channel 11 along cylindrical structure is arranged.Bleeding off pressure channel 11 can be with
It is circular channel, oval-shaped passageway, square duct etc., it is preferable that bleed off pressure channel 11 as circular channel, and the valve with cylindrical structure
Core ontology 1 is coaxial.The side wall of insert body 1, which is provided with, bleeds off pressure hole 12, and bleeds off pressure hole 12 and be connected to channel 11 is bled off pressure.Bleed off pressure hole 12
It can be round hole, square hole, slotted eye etc., it is preferable that bleeding off pressure hole 12 is round hole.Optionally, bleeding off pressure hole 12 can set
Set one；Alternatively, bleeding off pressure hole 12 can also be arranged multiple, such as two, three, four etc., multiple holes 12 that bleed off pressure can be along valve
Core ontology 1 is provided at circumferentially spaced.Certainly, multiple holes 12 that bleed off pressure can also be arranged along the axially spaced-apart of insert body 1, alternatively,
It is multiple to bleed off pressure the helical arrangement on 1 side wall of insert body of hole 12.The utility model embodiment is to the quantity and arrangement for bleeding off pressure hole 12
Mode is without limitation.
When water injection well is bled off pressure, it is necessary to which control bleeds off pressure speed, and bleeding off pressure too fast can damage stratum.For this purpose, bleeding off pressure channel 11
Diameter, the diameter for bleeding off pressure hole 12 and quantity can be designed according to the actual conditions of water injection well.For example, can process a series of
The different insert body 1 of the diameter in channel 11 is bled off pressure, to adapt to the water injection well of different pressures.
In order to realize the sealing of spool and valve body, the lateral surface of insert body 1 is equipped with the first sealing ring 2, and the first sealing
Circle 2 is located at the top for bleeding off pressure hole 12.It is close that first sealing ring 2 can be nitrile rubber sealing ring, natural rubber sealing ring, silicon rubber
Seal, Buddhist nun's human relations sealing ring etc..Preferably, the first sealing ring 2 is Buddhist nun's human relations sealing ring.First sealing ring 2 can have with insert body 1
A variety of connection types, for example, insert body 1 is equipped with annular groove, the first sealing ring 2 is mounted in the annular groove；Example again
Such as, two baffle rings of axially spaced setting, the first sealing ring 2 are mounted between two baffle rings on insert body 1；For example, valve
Core ontology 1 is equipped with baffle ring, and the first sealing ring 2 is fixed between locking member and baffle ring by locking member.
Spool provided by the embodiment of the utility model may be mounted at the ball-and-seat valve body of existing water injection well when in use
It is interior.When water injection well needs to bleed off pressure, the valve deck of water injection well ball-and-seat, existing water injection well ball-and-seat under disassembly are opened after well head pressure release
Spool, be packed into spool provided by the embodiment of the utility model, and valve deck is fixedly mounted on valve body.At this point, ball-and-seat valve body
Liquid outlet channel be connected to hole 12 is bled off pressure, the feed pathway of ball-and-seat valve body is connected to channel 11 is bled off pressure, the liquid in water injection well shaft bottom
Body enters via liquid outlet channel to be bled off pressure hole 12, bleeds off pressure channel 11, then returns to oil-gas-water treating system via feed pathway, so that
The pipeline when liquid in water injection well shaft bottom is along water filling, reverse flow return oil-gas-water treating system, are not necessarily to fire operation, without repeatedly
Welding, installation, dismounting temporarily bleed off pressure pipeline, and operating process is simple, bleeds off pressure high-efficient.
Water injection well is bled off pressure using spool provided by the embodiment of the utility model, avoids fire operation, reduces operation
Difficulty.Operator is reduced to a people by more people, and the operating time also substantially shortens, and improves production efficiency.The existing side of bleeding off pressure
Formula, which bleeds off pressure a well, needs about 6000 yuan of engineering cost, about 2000 yuan of fee of material, always spends about 8000 yuan/well.It uses
Spool provided by the embodiment of the utility model is bled off pressure, and a well time need to only process about 500 yuan of insert body expense, for the first time
Using can be saved about 7500 yuan.For by Shanshan oil recovery factory, rice steps on oil recovery work area, an insert body is using four wells, directly
Connect about 31000 yuan of operating cost of saving.The subsequent Reusability of spool provided by the embodiment of the utility model can realize fee of material
Low investment, the annual maintenance processing charges for only needing a small amount of water nozzle spool, final basic zero investment realizing well and bleeding off pressure.It presses
Every well time saves about 8000 yuan, and the annual well in Shanshan oil recovery factory bleeds off pressure 50 wells time and calculates, and can produce direct economic benefit every year
About 400,000 yuan.
It is provided by the utility model to bleed off pressure spool, it can be directly installed in the valve body of existing water injection well ball-and-seat, bleed off pressure
Channel is connected to the feed pathway of ball-and-seat valve body, is bled off pressure hole and is connected to the liquid outlet channel of ball-and-seat valve body, the first sealing ring pair
Be sealed between spool and valve body ontology, the water in water injection well shaft bottom successively pass through liquid outlet channel, bleed off pressure hole, bleed off pressure channel and
Feed pathway returns to oil-gas-water treating system, so that the pipeline when liquid in water injection well shaft bottom is along water filling, reverse flow oil return gas
Water treatment system temporarily bleeds off pressure pipeline without installation, and operating process is simple, bleeds off pressure high-efficient.
Further, it further includes being set in the first sealing ring of 1 lateral surface of insert body to fix that the present embodiment, which bleeds off pressure spool,
Component；In the top for bleeding off pressure hole 12,1 lateral surface of insert body is equipped with baffle ring 13, and the top of baffle ring 13 is set gradually from bottom to top
First sealing ring 2 and the first sealing ring fixation kit.
Specifically, the lateral surface of insert body 1 is equipped with baffle ring 13, also, baffle ring 13 is located at the top for bleeding off pressure hole 12.Baffle ring
13 outer diameter is greater than the diameter of insert body 1.Optionally, the integral piece that baffle ring 13 and insert body 1 are integrally formed.In order to protect
The reliability of sealing is demonstrate,proved, the outer diameter of baffle ring 13 can be identical as the outer diameter of the first sealing ring 2.
It is equipped with the first sealing ring fixation kit in the top of baffle ring 13, the first sealing ring 2 is fixed on baffle ring 13 and the
Between one sealing ring fixation kit.
In some embodiments, the first sealing ring fixation kit includes being sequentially sleeved at 1 outside of insert body from bottom to top
The lock ring 3 and circlip 4 in face；1 lateral surface of insert body is equipped with clamping groove；Circlip 4 is caught in clamping groove, by first
Sealing ring 2 is fixed between lock ring 3 and baffle ring 13.
First sealing ring fixation kit includes the lock ring 3 and elasticity for being sequentially sleeved at 1 lateral surface of insert body from bottom to top
Retaining ring 4.Wherein, lock ring 3 is cyclic structure, and outer diameter is consistent with the outer diameter of the first sealing ring 2.Circlip 4 can be existing
Elastic collar structure, the utility model embodiment do not limit this.
In the top of baffle ring 13, the lateral surface of insert body 1 is equipped with annular clamping groove.The top of baffle ring 13, from bottom to top
It is sequentially installed with the first sealing ring 2, lock ring 3 and circlip 4, and circlip 4 is caught in clamping groove, by the first sealing ring
2 are fixed between lock ring 3 and baffle ring 13.
The second sealing is equipped in order to guarantee the leakproofness between insert body 1 and valve body, between lock ring 3 and insert body 1
Circle 5.For example, on the insert body 1 of 3 mating part of lock ring be equipped with sealing ring mounting groove, the second sealing ring 5 install the sealing
It encloses in mounting groove.It is nitrile rubber sealing ring, natural rubber sealing ring, silicone rubber O-ring, Ni Lun that second sealing ring 5, which can be,
Sealing ring etc., the utility model embodiment does not limit this.Optionally, the second sealing ring 5 can be set one, for example, one
A second sealing ring 5 can be set in the side close to the first sealing ring 2；Alternatively, the second sealing ring 5 also can be set it is multiple,
For example, two, three, four etc., multiple second sealing rings 5 are arranged along the axially spaced-apart of insert body 1.
In other embodiments, the first sealing ring fixation kit includes the external thread part being arranged on insert body 1
And swivel nut, and external thread part is located at the top of baffle ring；Swivel nut is threadedly coupled with external thread part, and the first sealing ring 2 is fixed
Between baffle ring 13 and external thread part.
First seal ring assembly can also include external thread part and swivel nut, wherein external thread part is arranged above baffle ring 13
Insert body 1 on.Swivel nut is tubular construction, and inner wall is equipped with the internal screw thread cooperated with external thread part.Swivel nut and external thread part
It is threadedly coupled, the first sealing ring 2 is fixed between baffle ring 13 and external thread part.
Optionally, the screw thread of external thread part and swivel nut can be sealing pipe screw thread, to improve the close of insert body 1 and valve body
Feng Xing.
Referring to Fig. 3, in the lower section for bleeding off pressure hole 12, insert body 1 is additionally provided with equipped with flap 14, flap 14 and the intracorporal valve of valve
Mouth contact, is divided into feed pathway and liquid outlet channel for the intracorporal valve chamber of valve.Also, the outlet for bleeding off pressure channel 11 is arranged in flap
14 lower end surface, is connected to feed pathway.Flap 14 may include cylindrical portion and setting in cylindrical portion far from bleeding off pressure hole 12
The conus portion of one end.Optionally, the integral piece that flap 14 and insert body 1 are integrally formed.
In order to facilitate the dismounting of spool, the upper end of insert body 1 is equipped with operational instrument connection screw thread hole 15.Operational instrument connects
It connects threaded hole 15 and insert body 1 is coaxial, also, operational instrument connection screw thread hole 15 is not connected to the partition of channel 11 is bled off pressure.
Optionally, operational instrument, which can be, draws valve tool 9.Referring to Fig. 4, valve tool 9 is drawn to may include pull rod, be arranged and drawing
The handle of bar one end and the external thread part that the pull rod other end is set, external thread part and 15 screw thread of operational instrument connection screw thread hole
Connection, facilitates the taking-up and installation of spool.
Referring to figure 5 and figure 6, also a kind of pressure release valve of the utility model embodiment comprising valve body 6 is fixedly connected with valve body 6
Valve deck 7 and bleed off pressure spool；The channel 11 that bleeds off pressure for bleeding off pressure spool is connected to the feed pathway 61 in valve body 6, bleeds off pressure spool
Hole 12 is bled off pressure to be connected to the liquid outlet channel 62 in valve body 6.
Specifically, the first end and second end of valve body 6 is equipped with flange, for being connect with filling pipe, the top of valve body 6
Equipped with flange, the flange being arranged with valve deck 7 is fastenedly connected by screw bolt and nut realization.Valve chamber, pressure release valve are formed in valve body 6
The flap 14 of core is abutted with the valve port in valve body 6, and valve chamber is separated into feed pathway 61 and liquid outlet channel 62.It needs to illustrate
It is that in normal the injecting process, liquid flows into liquid outlet channel from feed pathway, is then injected into shaft bottom.
Bleeding off pressure spool includes: insert body 1 and the first sealing ring 2 for being set in 1 lateral surface of insert body；Insert body
1 is equipped with and bleeds off pressure channel 11, and the side wall of insert body 1 is equipped with and bleeds off pressure hole 12 with bleed off pressure that channel 11 is connected to, bleeds off pressure hole 12 and is located at
The lower section of first sealing ring 2.Also, the channel 11 that bleeds off pressure for bleeding off pressure spool is connected to the feed pathway 61 in valve body 6, bleeds off pressure spool
The hole 12 that bleeds off pressure be connected to the liquid outlet channel 62 in valve body 6.
The structure provided in this embodiment for bleeding off pressure spool, function and effect are same as the previously described embodiments, are specifically referred to
Above-described embodiment is no longer repeated herein.
Pressure release valve provided by the utility model bleeds off pressure the valve body that spool can be directly installed on existing water injection well ball-and-seat
It is interior, it bleeds off pressure channel and is connected to the feed pathway of ball-and-seat valve body, bleed off pressure hole and be connected to the liquid outlet channel of ball-and-seat valve body, first is close
Seal is sealed between spool and valve body ontology, the water in water injection well shaft bottom successively pass through liquid outlet channel, bleed off pressure hole, bleed off pressure it is logical
Road and feed pathway return to oil-gas-water treating system, so that the pipeline when liquid in water injection well shaft bottom is along water filling, reverse flow
Oil-gas-water treating system is returned, temporarily bleeds off pressure pipeline without installation, operating process is simple, bleeds off pressure high-efficient.
Term " first ", " second " are used for description purposes only in the description of the present invention, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " are defined as a result,
Feature can explicitly or implicitly include at least one of the features.In the description of the present invention, the meaning of " plurality " is
At least two, such as two, three etc., unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection is also possible to be electrically connected or can communicate each other；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements be can be, unless otherwise restricted clearly.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the above description, reference term " one embodiment ", " some embodiments ", " example ", " specific example " or
The description of " some examples " etc. means that particular features, structures, materials, or characteristics described in conjunction with this embodiment or example include
In at least one embodiment or example of the utility model.In the present specification, schematic expression of the above terms need not
It must be directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any
It can be combined in any suitable manner in a or multiple embodiment or examples.In addition, without conflicting with each other, the technology of this field
The feature of different embodiments or examples described in this specification and different embodiments or examples can be combined by personnel
And combination.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.
Claims (10)
1. one kind bleeds off pressure spool characterized by comprising insert body and be set in the first of the insert body lateral surface
Sealing ring；
The insert body is equipped with and bleeds off pressure channel, and the side wall of the insert body be equipped with it is described bleed off pressure that channel is connected to bleed off pressure
Hole, the lower section for bleeding off pressure hole and being located at first sealing ring.
2. according to claim 1 bleed off pressure spool, which is characterized in that the spool that bleeds off pressure further includes being set in the spool
The first sealing ring fixation kit in outer body face；
In the top for bleeding off pressure hole, the insert body lateral surface is equipped with baffle ring, and the top of the baffle ring is from bottom to top successively
First sealing ring and the first sealing ring fixation kit are set.
3. according to claim 2 bleed off pressure spool, which is characterized in that the first sealing ring fixation kit include from it is lower to
On be sequentially sleeved at the lock ring and circlip of the insert body lateral surface；
The insert body lateral surface is equipped with clamping groove；The circlip is caught in the clamping groove, close by described first
Seal is fixed between the lock ring and the baffle ring.
4. according to claim 3 bleed off pressure spool, which is characterized in that be equipped with the between the lock ring and the insert body
Two sealing rings.
5. according to claim 2 bleed off pressure spool, which is characterized in that the first sealing ring fixation kit includes that setting exists
External thread part and swivel nut on the insert body, and the external thread part is located at the top of the baffle ring；
The swivel nut is threadedly coupled with the external thread part, and first sealing ring is fixed on the baffle ring and the outer spiral shell
Between line portion.
6. according to claim 1-5 bleed off pressure spool, which is characterized in that the hole that bleeds off pressure is round hole.
7. according to claim 6 bleed off pressure spool, which is characterized in that it is described bleed off pressure hole be it is multiple, along the insert body
Be provided at circumferentially spaced.
8. according to claim 1-5 bleed off pressure spool, which is characterized in that described in the lower section for bleeding off pressure hole
Insert body is additionally provided with equipped with flap.
9. according to claim 1-5 bleed off pressure spool, which is characterized in that the upper end of the insert body is equipped with behaviour
Make tool connection screw thread hole.
10. a kind of pressure release valve, which is characterized in that including valve body, the valve deck being fixedly connected with the valve body and claim 1-9
It is described in any item to bleed off pressure spool；
The channel that bleeds off pressure for bleeding off pressure spool is connected to the intracorporal feed pathway of the valve, it is described bleed off pressure spool bleed off pressure hole and institute
State the intracorporal liquid outlet channel connection of valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821346411.6U CN208967069U (en) | 2018-08-21 | 2018-08-21 | Pressure relief valve core and pressure relief valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821346411.6U CN208967069U (en) | 2018-08-21 | 2018-08-21 | Pressure relief valve core and pressure relief valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208967069U true CN208967069U (en) | 2019-06-11 |
Family
ID=66752351
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821346411.6U Active CN208967069U (en) | 2018-08-21 | 2018-08-21 | Pressure relief valve core and pressure relief valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208967069U (en) |
-
2018
- 2018-08-21 CN CN201821346411.6U patent/CN208967069U/en active Active
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