CN208587135U - It is a kind of to constant pressure turn on fixed valve - Google Patents
It is a kind of to constant pressure turn on fixed valve Download PDFInfo
- Publication number
- CN208587135U CN208587135U CN201820941892.9U CN201820941892U CN208587135U CN 208587135 U CN208587135 U CN 208587135U CN 201820941892 U CN201820941892 U CN 201820941892U CN 208587135 U CN208587135 U CN 208587135U
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- pressure
- fixed valve
- oil inlet
- valve body
- supporting block
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Abstract
The utility model discloses a kind of to constant pressure turn on fixed valve, including fixed valve body, circular oil inlet is provided with below fixed valve body, fixed valve body lower right-hand side is provided with pressure relief opening, fixed valve body upper left side is provided with oil outlet, the hole being provided with above adjusting rod and fixed valve body is connected through a screw thread, fixed valve body is equipped with pressure releasing valve core, pressure release supporting block is equipped among fixed valve inner body wall, it is fixedly connected between pressure release supporting block and the upper surface of pressure releasing valve core by pressure release spring, through-hole is provided among pressure releasing valve core, and oil inlet spool is equipped with inside pressure releasing valve core, oil inlet supporting block is equipped with above oil inlet spool, oil inlet supporting block is fixedly connected by oil inlet spring with the upper surface of oil inlet spool, the groove that the bottom end and oil inlet supporting block upper surface of adjusting rod are provided with is cooperatively connected.It is the fixed valve with the controllable fixation pressure of orientation that this is practical, and is equipped with pressure relief device, increases the pressure stability of fixed valve.
Description
Technical field
It is specially a kind of to constant pressure turn on fixed valve the utility model relates to regular valve device technical field.
Background technique
At present in oilfield development process, the rod-pumped well market of oil field machinery oil needs fixed valve, for be truncated or
The oil in oil pipe is limited, buffer function is played to protect oil pipe, prevents oil pressure excessive and make oil pipe burst.Nowadays most of pumpings
Fixed valve used in oil well is all that can not adjust oil pressure, is unable to satisfy the needs of some oil field productions, the channel of fixed valve is only
Can play a buffer role in, and some special circumstances cannot anti-backflow, and the stress resistant of fixed valve is limited, is not provided with
The protective devices such as pressure release can not play preferably protection buffer function.
Utility model content
The purpose of this utility model is to provide to constant pressure turn on fixed valve, to solve mentioned above in the background art ask
Topic.
To achieve the above object, the utility model provides the following technical solutions: a kind of to constant pressure turn on fixed valve including solid
Determine valve body, the fixed valve body is hollow cylinder, and circular oil inlet, fixed valve body are provided with below fixed valve body
Lower right-hand side is provided with pressure relief opening, and fixed valve body upper left side is provided with oil outlet, is provided with internal thread hole right above fixed valve body, interior
Adjusting rod is equipped in threaded hole, the middle part of adjusting rod is equipped with adjusting block, and the outer wall of adjusting block is equipped with external screw thread, adjusting block outer wall
It opens porose internal screw thread mutual cooperation above external screw thread and fixed valve body to connect, the upper end of adjusting rod is perforated through fixed valve body
Upper surface, and upper end is equipped with rotation hand wheel, is close to be equipped with pressure releasing valve core above fixed valve body bottom surface, in fixed valve body
It is equipped with pressure release supporting block among wall, is fixedly connected between pressure release supporting block and the upper surface of pressure releasing valve core by pressure release spring, institute
State the through-hole that pressure releasing valve core middle is provided with back taper, and the inside of back taper through-hole that pressure releasing valve core is provided with is equipped with inlet valve
Core, oil inlet spool surface are equipped with oil inlet supporting block, and oil inlet supporting block is fixed by oil inlet spring and the upper surface of oil inlet spool
Connection, oil inlet supporting block upper surface are provided with the groove of back taper, and the adjusting rod bottom end is back taper, and the bottom end of adjusting rod with
The groove that oil inlet supporting block upper surface is provided with is cooperatively connected.
Preferably, the depth for the internal thread hole being provided with right above the fixed valve body is greater than adjusting block outer wall and is equipped with outer spiral shell
The junction of the length of line, adjusting rod and fixed valve ontology end face is equipped with seal washer.
Preferably, it there are four the pressure release supporting block is set altogether, and is uniformly arranged in the middle part of fixed valve inner body wall, with pressure release
There are four the pressure release spring that supporting block is fixedly connected is set, it is vertically set on the underface of pressure release supporting block, four pressure release springs
The more 10%-20% of pressure of overall pressure ratio oil inlet spring.
Preferably, the back taper inner wall of through-hole is provided among the back taper outer wall shape of the oil inlet spool and pressure releasing valve core
Shape is consistent, and oil inlet spool inlay card is in the inside of pressure releasing valve core, and contact with each other cooperation.
Preferably, the inner wall sliding contact of the outer wall of the pressure releasing valve core and fixed valve body, the height of pressure relief opening setting
Higher than the lower end surface of pressure releasing valve core, the height of pressure relief opening setting is lower than the upper surface of pressure releasing valve core.
Compared with prior art, the utility model has the beneficial effects that
1. being equipped with pressure releasing valve core inside fixed valve, pressure releasing valve core inside middle is equipped with oil inlet spool, works as inlet pressure
When greater than oil inlet spring pressure above oil inlet spool, oil inlet spool is up pushed away, and oil liquid enters inside fixed valve, from oil outlet
Into flowline, when inlet pressure is excessive, pressure releasing valve core is up pushed, until pressure releasing valve core lower end surface is higher than pressure relief opening
When, oil liquid is discharged from pressure relief opening, is kept fixed the stabilization of valve internal pressure, is more advantageous to the stabilization of protection oil pressure；
It is back taper groove among pressure releasing valve core, oil inlet spool inlay card is recessed in pressure releasing valve core 2. oil inlet spool is back taper rotary table
In slot, when there is oil liquid refluence, oil inlet spool only blocks the groove of sealing pressure releasing valve core, and oil liquid is effectively prevent to flow back.
3. fixed valve upper end is equipped with adjusting rod, the adjusting block outer wall in the middle part of adjusting rod is equipped with external screw thread, adjusting block and fixation
The hole opened up above valve is connected through a screw thread, and pulling rotation hand wheel can be such that adjusting rod moves up and down, connected below adjusting rod into
Oily supporting block, the adjusting rod that moves down make oil inlet supporting block compress oil inlet spring, increase the pressure needed when oil inlet, up move
Adjusting rod springs back oil inlet supporting block, reduces the pressure needed when oil inlet, can adjust required pressure according to actual needs.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model structure sectional view；
In figure: fixed valve body 1, pressure releasing valve core 2, oil inlet spool 3, pressure release supporting block 4, pressure release spring 5, oil inlet spring
6, oil inlet supporting block 7, adjusting rod 8, adjusting block 9, rotation hand wheel 10, oil inlet 11, pressure relief opening 12, oil outlet 13.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of to constant pressure turn on fixed valve, including fixation
Valve body 1, fixed valve body 1 are hollow cylinder, and circular oil inlet 11, fixed valve body 1 are provided with below fixed valve body 1
Lower right-hand side is provided with pressure relief opening 12, and fixed 1 upper left side of valve body is provided with oil outlet 13, is provided with interior spiral shell right above fixed valve body 1
Pit, internal thread hole is interior to be equipped with adjusting rod 8, and the middle part of adjusting rod 8 is equipped with adjusting block 9, and the outer wall of adjusting block 9 is equipped with external screw thread,
It opens porose internal screw thread mutual cooperation above the external screw thread of 9 outer wall of adjusting block and fixed valve body 1 to connect, the upper end of adjusting rod 8
It is perforated through fixed 1 upper surface of valve body, and upper end is equipped with rotation hand wheel 10, is close to be equipped with above fixed 1 inner bottom surface of valve body
Pressure releasing valve core 2, is equipped with pressure release supporting block 4 among fixed 1 inner wall of valve body, the upper surface of pressure release supporting block 4 and pressure releasing valve core 2 it
Between be fixedly connected by pressure release spring 5,2 middle of pressure releasing valve core is provided with the through-hole of back taper, and the back taper that pressure releasing valve core 2 is provided with
The inside of shape through-hole is equipped with oil inlet spool 3, is equipped with oil inlet supporting block 7 right above oil inlet spool 3, oil inlet supporting block 7 passes through oil inlet
Spring 6 is fixedly connected with the upper surface of oil inlet spool 3, and 7 upper surface of oil inlet supporting block is provided with the groove of back taper, 8 bottom of adjusting rod
End is back taper, and the groove that the bottom end of adjusting rod 8 and 7 upper surface of oil inlet supporting block are provided with is cooperatively connected.
The depth for the internal thread hole being provided with right above fixed valve body 1 is greater than 9 outer wall of adjusting block and is equipped with externally threaded length,
So that adjusting rod 8 has certain adjusting spacing in the axial direction, adjusting rod 8 and the junction for fixing 1 end face of valve body are equipped with sealing
Washer prevents oil liquid from oozing out from junction, guarantees leakproofness.
There are four pressure release supporting block 4 is set altogether, and it is uniformly arranged in the middle part of fixed 1 inner wall of valve body, it is solid with pressure release supporting block 4
Surely there are four the pressure release spring 5 connected is set, make pressure release supporting block uniform force, be vertically set on the underface of pressure release supporting block 4,
The more 10%-20% of pressure of the overall pressure ratio oil inlet spring 6 of four pressure release springs 5, so that under convenient pressure, oil liquid is only from letting out
Through-hole among pressure valve core 2 passes through, and prevents from flowing out from pressure relief opening 12.
The back taper inner wall shape that through-hole is provided among the back taper outer wall shape and pressure releasing valve core 2 of oil inlet spool 3 is consistent,
3 inlay card of oil inlet spool is in the inside of pressure releasing valve core 2, and contact with each other cooperation, guarantees the leakproofness of junction, produces in reflux from situation
It effectively prevent flowing back when raw.
The inner wall sliding contact of the outer wall of pressure releasing valve core 2 and fixed valve body 1, the height that pressure relief opening 12 is arranged are higher than pressure release
The lower end surface of spool 2, the height that pressure relief opening 12 is arranged are lower than the upper surface of pressure releasing valve core 2, when without pressure release, pressure releasing valve core
2 side wall seals up pressure relief opening 12, prevents oil liquid from flowing out from pressure relief opening 12.
Working principle: when this practical work, oil inlet 11 is equipped with below fixed valve body 1 and connects oil inlet pipe, works as water inlet pipe
When pressure in oil inlet 11 when indentation oil liquid is greater than the pressure of oil inlet spring 6, oil inlet spool 3 is up pushed, oil inlet bullet
Spring 6 is compressed, and the oil liquid poured enters the inner cavity of fixed valve body 1, later from fuel-displaced on fixed 1 upper left side side wall of valve body
Mouth 13 flows out, and flowline is connected at oil outlet 13, the size of this practical adjustable input pressure, rotates rotation hand wheel 10, adjusting
The external screw thread of 9 outer wall of block and the internal screw thread of fixed 1 upper end aperture of valve body are had an effect, so that adjusting rod 8 pushes down on, are adjusted
Bar 8 applies pressure to oil inlet supporting block 7, and the oil inlet spring 6 of 7 lower section of oil inlet supporting block is compressed, so that the pressure needed when oil inlet
Power increases, this is practical equipped with overload protection, and when pressure is excessive at oil inlet 11, pressure releasing valve core 2 is up pushed, pressure releasing valve core
The pressure release spring 5 of 2 tops is compressed, until 2 lower end surface of pressure releasing valve core is higher than the height of pressure relief opening 12, it is hydraulic at oil inlet 11
Oil is discharged into oil spill pipe from pressure relief opening 12.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. it is a kind of to constant pressure turn on fixed valve, including fix valve body (1), it is characterised in that: the fixed valve body (1) is sky
Heart cylindrical body is provided with circular oil inlet (11) below fixed valve body (1), and fixed valve body (1) lower right-hand side is provided with pressure release
Mouth (12), fixed valve body (1) upper left side are provided with oil outlet (13), are provided with internal thread hole, interior spiral shell right above fixed valve body (1)
Adjusting rod (8) are equipped in pit, the middle part of adjusting rod (8) is equipped with adjusting block (9), and the outer wall of adjusting block (9) is equipped with external screw thread, adjusts
Porose internal screw thread mutual cooperation is opened above the external screw thread of locking nub (9) outer wall and fixed valve body (1) to connect, adjusting rod (8)
Upper end is perforated through fixed valve body (1) upper surface, and upper end is equipped with rotation hand wheel (10), is close to fixed valve body (1) inner bottom
Pressure releasing valve core (2) are equipped with above face, are equipped with pressure release supporting block (4) among fixed valve body (1) inner wall, pressure release supporting block (4) with
It is fixedly connected between the upper surface of pressure releasing valve core (2) by pressure release spring (5), pressure releasing valve core (2) middle is provided with back taper
The through-hole of shape, and the inside of back taper through-hole that pressure releasing valve core (2) is provided with is equipped with oil inlet spool (3), right above oil inlet spool (3)
Equipped with oil inlet supporting block (7), oil inlet supporting block (7) is fixedly connected by oil inlet spring (6) with the upper surface of oil inlet spool (3),
Oil inlet supporting block (7) upper surface is provided with the groove of back taper, and adjusting rod (8) bottom end is back taper, and the bottom of adjusting rod (8)
End is cooperatively connected with the groove that oil inlet supporting block (7) upper surface is provided with.
2. according to claim 1 a kind of to constant pressure turn on fixed valve, it is characterised in that: the fixed valve body (1) is just
The depth for the internal thread hole that top is provided with is greater than adjusting block (9) outer wall and is equipped with externally threaded length, adjusting rod (8) and fixed valve sheet
The junction of body (1) end face is equipped with seal washer.
3. according to claim 1 a kind of to constant pressure turn on fixed valve, it is characterised in that: the pressure release supporting block (4) is altogether
If there are four, and it is uniformly arranged in the middle part of fixed valve body (1) inner wall, the pressure release spring being fixedly connected with pressure release supporting block (4)
(5) there are four setting, the underface of pressure release supporting block (4), the overall pressure ratio oil inlet spring of four pressure release springs (5) are vertically set on
(6) the more 10%-20% of pressure.
4. according to claim 1 a kind of to constant pressure turn on fixed valve, it is characterised in that: the oil inlet spool (3) is fallen
The back taper inner wall shape that through-hole is provided among conical outer wall shape and pressure releasing valve core (2) is consistent, and oil inlet spool (3) inlay card is being let out
The inside of pressure valve core (2), contact with each other cooperation.
5. according to claim 1 a kind of to constant pressure turn on fixed valve, it is characterised in that: outside the pressure releasing valve core (2)
The height of the inner wall sliding contact of wall and fixed valve body (1), pressure relief opening (12) setting is higher than the lower end surface of pressure releasing valve core (2),
The height of pressure relief opening (12) setting is lower than the upper surface of pressure releasing valve core (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820941892.9U CN208587135U (en) | 2018-06-19 | 2018-06-19 | It is a kind of to constant pressure turn on fixed valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820941892.9U CN208587135U (en) | 2018-06-19 | 2018-06-19 | It is a kind of to constant pressure turn on fixed valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208587135U true CN208587135U (en) | 2019-03-08 |
Family
ID=65536599
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820941892.9U Expired - Fee Related CN208587135U (en) | 2018-06-19 | 2018-06-19 | It is a kind of to constant pressure turn on fixed valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208587135U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827927A (en) * | 2020-07-08 | 2020-10-27 | 成都天晨压缩机制造有限公司 | Liquid impact prevention device of equipment for gathering and transporting liquid-containing oil wellhead gas in desert oil field |
| CN113622867A (en) * | 2021-08-04 | 2021-11-09 | 北京金圣奥能源技术有限公司 | Gas well gas production system based on differential valve and control method thereof |
-
2018
- 2018-06-19 CN CN201820941892.9U patent/CN208587135U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111827927A (en) * | 2020-07-08 | 2020-10-27 | 成都天晨压缩机制造有限公司 | Liquid impact prevention device of equipment for gathering and transporting liquid-containing oil wellhead gas in desert oil field |
| CN113622867A (en) * | 2021-08-04 | 2021-11-09 | 北京金圣奥能源技术有限公司 | Gas well gas production system based on differential valve and control method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190308 Termination date: 20210619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |