CN208503529U - A kind of petroleum transportation high-pressure throttle - Google Patents
A kind of petroleum transportation high-pressure throttle Download PDFInfo
- Publication number
- CN208503529U CN208503529U CN201820704966.7U CN201820704966U CN208503529U CN 208503529 U CN208503529 U CN 208503529U CN 201820704966 U CN201820704966 U CN 201820704966U CN 208503529 U CN208503529 U CN 208503529U
- Authority
- CN
- China
- Prior art keywords
- throttle body
- valve
- petroleum transportation
- positioning lasso
- support block
- 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
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Abstract
The utility model discloses a kind of petroleum transportation high-pressure throttles, including upper throttle body, lower throttle body and positioning lasso, the upper throttle body upper end is equipped with runner, the runner lower end is equipped with threaded rod, positioning lasso is equipped on the outside of the threaded rod, rubber washer is equipped on the inside of the positioning lasso, the rubber washer side is equipped with connecting rod, described connecting rod one end is equipped with support block, the support block side is equipped with bull stick, the positioning lasso side is equipped with spring, nut is equipped with inside the upper throttle body, the nut lower end is equipped with valve rod, the stem surface is equipped with sealing ring, the sealing ring lower end is equipped with airtight and watertight padding layer, by being provided with positioning lasso, threaded rod can be fixed, it prevents since pressure is excessive, causing valve plug to withstand threaded rod by valve rod makes threaded rod slowly circle round, to lead It causes restriction effect to reduce, influences the quality that throttles.
Description
Technical field
The utility model relates to a kind of petroleum transportation high-pressure throttles.
Background technique
Throttle valve is by changing throttling section or chock length to control the valve of fluid flow.By throttle valve and unidirectionally
Valve parallel connection is then combined into one-way throttle valve.Throttle valve and one-way throttle valve are easy flow control valves, in quantitative pump hydraulic pressure
In system, throttle valve and overflow valve cooperation constitute three kinds of Metering Flow Control Circuits, i.e. in-line Metering Flow Control Circuits, oil return line
Metering Flow Control Circuits and bypass throttling speed governing system.Throttle valve does not have flow negative-feedback function, cannot compensate and change institute by load
Caused by speed it is unstable, be typically only used for load variation less or the occasion of less demanding to speed stability.Traditional section
Valve rod under pressure may squeeze flow control device stream valve in long-term use, so as to cause the tune of flow
Section changes, and substantially reduces throttling precision.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect, provides a kind of petroleum transportation and is throttled with high pressure
Valve, to solve the above problems.
To achieve the above object, the utility model provides the following technical solutions: a kind of petroleum transportation high-pressure throttle, packet
Throttle body, lower throttle body and positioning lasso are included, the upper throttle body upper end is equipped with runner, under the runner
End is equipped with threaded rod, and positioning lasso is equipped on the outside of the threaded rod, is equipped with rubber washer, the rubber on the inside of the positioning lasso
Washer side is equipped with connecting rod, and described connecting rod one end is equipped with support block, and the support block side is equipped with bull stick, the positioning lasso one
Side is equipped with spring, and nut is equipped with inside the upper throttle body, and the nut lower end is equipped with valve rod, and the stem surface is equipped with
Sealing ring, the sealing ring lower end are equipped with airtight and watertight padding layer, are equipped with valve plug, the upper throttle valve master inside the airtight and watertight padding layer
Body two sides are equipped with bolt, and the bolt lower end is equipped with lower throttle body.
As a kind of optimal technical scheme of the utility model, the runner, threaded rod, valve rod and valve plug are successively fixed to be connected
It connects.
As a kind of optimal technical scheme of the utility model, the valve plug is frusto-conical shape, and valve plug is filled out with sealing
The bed of material inlays connection.
As a kind of optimal technical scheme of the utility model, the upper throttle body and lower throttle body pass through spiral shell
It tethers and connects.
As a kind of optimal technical scheme of the utility model, the valve rod and the dynamic connection of sealing ring axis, and sealing ring is logical
Bolt is crossed to be fixedly connected with airtight and watertight padding layer.
As a kind of optimal technical scheme of the utility model, the lower throttle body side is equipped with throttling valve inlet.
The other side is equipped with throttling valve outlet.
As a kind of optimal technical scheme of the utility model, the positioning lasso is the corresponding two half rings in left and right, and two
Half-turn is connected to upper throttle body surface by connecting shaft.
As a kind of optimal technical scheme of the utility model, the positioning lasso side surface is equipped with groove, and groove
It is adapted with support block one end.
As a kind of optimal technical scheme of the utility model, the connecting rod is through positioning lasso and the dynamic company of support block axis
It connects, and support block is fixedly connected with bull stick.
Compared with prior art, the utility model has the beneficial effects that this kind of petroleum transportation high-pressure throttle, by setting
Positioning lasso has been set, threaded rod can be fixed, has prevented from causing valve plug to withstand threaded rod by valve rod since pressure is excessive
So that threaded rod is slowly circled round, so as to cause restriction effect reduction, influences the quality that throttles, by being provided with valve plug, valve can be passed through
The frusto-conical shape of plug is arranged, so that the size of amount of restriction can be adjusted only by the height of adjustment valve plug, it is easy to operate, subtract
The labor intensity of worker is lacked, structure is simple, easy to operate to play very big help.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:
Fig. 1 is a kind of petroleum transportation high-pressure throttle structural schematic diagram described in the utility model；
Fig. 2 is that ferrule arrangement schematic diagram is positioned in the utility model；
In figure: 1, runner；2, threaded rod；3, upper throttle body；4, valve rod；5, sealing ring；6, airtight and watertight padding layer；7, spiral shell
Bolt；8, lower throttle body；9, valve plug；10, nut；11, lasso is positioned；12, rubber washer；13, connecting rod；14, spring；
15, support block；16, bull stick.
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 petroleum transportation high-pressure throttle, including
Upper throttle body 3, lower throttle body 8 and positioning lasso 11, upper 3 upper end of throttle body are equipped with runner 1,1 lower end of runner
Equipped with threaded rod 2, it is equipped with positioning lasso 11 on the outside of threaded rod 2, positions and is equipped with rubber washer 12, rubber washer 12 on the inside of lasso 11
Side is equipped with connecting rod 13, and 13 one end of connecting rod is equipped with support block 15, and 15 side of support block is equipped with bull stick 16, and positioning 11 side of lasso is set
There is spring 14, nut 10 is equipped with inside upper throttle body 3,10 lower end of nut is equipped with valve rod 4, and 4 surface of valve rod is equipped with sealing ring
5,5 lower end of sealing ring is equipped with airtight and watertight padding layer 6, and valve plug 9 is equipped with inside airtight and watertight padding layer 6, and upper 3 two sides of throttle body are equipped with spiral shell
Bolt 7,7 lower end of bolt are equipped with lower throttle body 8.
Runner 1, threaded rod 2, valve rod 4 and valve plug 9 are fixedly connected sequentially.
Valve plug 9 is frusto-conical shape, and valve plug 9 is inlayed with airtight and watertight padding layer 6 and connect.
Upper throttle body 3 and lower throttle body 8 are connected by bolt 7.
Valve rod 4 and the dynamic connection of 5 axis of sealing ring, and sealing ring 5 is fixedly connected by bolt with airtight and watertight padding layer 6.
Lower 8 side of throttle body is equipped with throttling valve inlet.The other side is equipped with throttling valve outlet.
Positioning lasso 11 is the corresponding two half rings in left and right, and two half rings are connected to upper 3 table of throttle body by connecting shaft
Face.
It positions 11 1 side surface of lasso and is equipped with groove, and groove is adapted with 15 one end of support block.
Connecting rod 13 is through positioning lasso 11 and the dynamic connection of 15 axis of support block, and support block 15 is fixedly connected with bull stick 16.
Concrete principle: in use, making threaded rod 2 in 10 internal rotating of nut by rotating wheel 1, thus with ovable valve stem 4
Decline, declines valve plug 9 in airtight and watertight padding layer 6, and airtight and watertight padding layer 6 can go up throttle body 3 and lower throttle body 8 carries out
Sealing, the frusto-conical shape setting of valve plug 9, the size of amount of restriction can be adjusted by adjusting the height of valve plug 9, when being adjusted to close
Right position is set, and stop operating runner 1, rotates bull stick 16, makes bull stick 16 that support block 15 be driven to rotate, and is squeezed positioning lasso 11,
Under the effect of connecting rod 13, positioning lasso 11 is set to clamp threaded rod 2 by internal rubber washer 12, when support block 15 screws positioning
Groove in lasso 11, stops rotating, and when needing to adjust amount of restriction, support block 15 is screwed out groove by bull stick 16, at this time bullet
Spring 14 can strut positioning lasso 11.
This kind of petroleum transportation high-pressure throttle positions lasso 11 by being provided with, threaded rod 2 can be fixed,
It prevents since pressure is excessive, causing valve plug 9 to withstand threaded rod 2 by valve rod 4 makes threaded rod 2 slowly circle round, so as to cause throttling
Effect reduces, and influences the quality that throttles, and by being provided with valve plug 9, can be arranged by the frusto-conical shape of valve plug 9, thus only
The size of amount of restriction can be adjusted by adjusting the height of valve plug 9, it is easy to operate, reduce the labor intensity of worker, structure letter
It is single, it is easy to operate to play very big help.
Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this
Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art
For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic
It is equivalently replaced, within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on,
It should be included within the scope of protection of this utility model.
Claims (9)
1. a kind of petroleum transportation high-pressure throttle, including upper throttle body (3), lower throttle body (8) and positioning lasso
(11), which is characterized in that upper throttle body (3) upper end is equipped with runner (1), and runner (1) lower end is equipped with threaded rod
(2), it is equipped with positioning lasso (11) on the outside of the threaded rod (2), is equipped with rubber washer (12) on the inside of the positioning lasso (11), institute
Rubber washer (12) side is stated equipped with connecting rod (13), described connecting rod (13) one end is equipped with support block (15), the support block (15)
Side is equipped with bull stick (16), and the positioning lasso (11) side is equipped with spring (14), is equipped with inside the upper throttle body (3)
Nut (10), nut (10) lower end are equipped with valve rod (4), and valve rod (4) surface is equipped with sealing ring (5), the sealing ring
(5) lower end is equipped with airtight and watertight padding layer (6), is equipped with valve plug (9) inside the airtight and watertight padding layer (6), the upper throttle body (3)
Two sides are equipped with bolt (7), and bolt (7) lower end is equipped with lower throttle body (8).
2. a kind of petroleum transportation high-pressure throttle according to claim 1, which is characterized in that the runner (1), screw thread
Bar (2), valve rod (4) and valve plug (9) are fixedly connected sequentially.
3. a kind of petroleum transportation high-pressure throttle according to claim 1, which is characterized in that the valve plug (9) is flat
Head cone, and valve plug (9) is inlayed with airtight and watertight padding layer (6) and is connect.
4. a kind of petroleum transportation high-pressure throttle according to claim 1, which is characterized in that the upper throttle body
(3) it is connected with lower throttle body (8) by bolt (7).
5. a kind of petroleum transportation high-pressure throttle according to claim 1, which is characterized in that the valve rod (4) with it is close
The dynamic connection of seal (5) axis, and sealing ring (5) is fixedly connected by bolt with airtight and watertight padding layer (6).
6. a kind of petroleum transportation high-pressure throttle according to claim 1, which is characterized in that the lower throttle body
(8) side is equipped with throttling valve inlet, and the other side is equipped with throttling valve outlet.
7. a kind of petroleum transportation high-pressure throttle according to claim 1, which is characterized in that the positioning lasso (11)
For the corresponding two half rings in left and right, and two half rings are connected to upper throttle body (3) surface by connecting shaft.
8. a kind of petroleum transportation high-pressure throttle according to claim 1, which is characterized in that the positioning lasso (11)
One side surface is equipped with groove, and groove is adapted with support block (15) one end.
9. a kind of petroleum transportation high-pressure throttle according to claim 1, which is characterized in that the connecting rod (13) is passed through
Positioning lasso (11) and the dynamic connection of support block (15) axis are worn, and support block (15) is fixedly connected with bull stick (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820704966.7U CN208503529U (en) | 2018-05-13 | 2018-05-13 | A kind of petroleum transportation high-pressure throttle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820704966.7U CN208503529U (en) | 2018-05-13 | 2018-05-13 | A kind of petroleum transportation high-pressure throttle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208503529U true CN208503529U (en) | 2019-02-15 |
Family
ID=65298852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820704966.7U Expired - Fee Related CN208503529U (en) | 2018-05-13 | 2018-05-13 | A kind of petroleum transportation high-pressure throttle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208503529U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049955A (en) * | 2020-09-07 | 2020-12-08 | 彭小菊 | Stop valve |
-
2018
- 2018-05-13 CN CN201820704966.7U patent/CN208503529U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112049955A (en) * | 2020-09-07 | 2020-12-08 | 彭小菊 | Stop valve |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190215 Termination date: 20210513 |