CN207437816U - Adjustable throttling set - Google Patents
Adjustable throttling set Download PDFInfo
- Publication number
- CN207437816U CN207437816U CN201721526913.2U CN201721526913U CN207437816U CN 207437816 U CN207437816 U CN 207437816U CN 201721526913 U CN201721526913 U CN 201721526913U CN 207437816 U CN207437816 U CN 207437816U
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- CN
- China
- Prior art keywords
- valve body
- adjusting rod
- throttle orifice
- sleeve
- middle chamber
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- 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.)
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Abstract
The utility model is related to a kind of adjustable throttling sets, belong to fluid-transferring pipe piece apparatus field.The utility model is provided with middle chamber, middle chamber connects import cavity, adjusting rod is out of the insertion of valve body side valve body, adjusting rod outer end is rotatably assorted with valve body formation, and sealing structure is provided between valve body, the inner end of adjusting rod is stretched into middle chamber as throttling element, throttle orifice is provided in throttling element, throttle orifice includes the vertical throttle orifice axially set along adjusting rod, the horizontal throttle orifice radially set along adjusting rod, horizontal throttle orifice is spaced multiple along adjusting rod axis direction, horizontal throttle orifice connection middle chamber and vertical throttle orifice, the other end of vertical throttle orifice is connected by sleeve with outlet cavity, it is threadedly coupled between the outer wall of throttling element and sleeve, valve body has the pilot hole being adapted with sleeve outer wall, sleeve outer wall is connected at pilot hole by linking bond with valve body.The utility model can realize flow on-line control.
Description
Technical field
The utility model is related to a kind of adjustable throttling sets, belong to fluid-transferring pipe piece apparatus field.
Background technology
Orifice flowmeter is the flow measurement device of no scale, it is poor with pneumatic, electric differential pressure transmitter or bi-bellow
Pressure transmitter matches, and usually changes the pressure difference signal dress output signal of ratio by transmitter, then by secondary meter or
Adjuster records to being measured flow, indicates or adjust.The principle of orifice flowmeter for loaded onto inside pipeline orifice plate or
The throttling elements such as nozzle, since the aperture of throttling element is less than internal diameter of the pipeline, when fluid flows through throttling element, flow velocity section is received suddenly
Contracting, flow velocity are accelerated.The static pressure of throttling element rear end fluid reduces, and static pressure force difference, the static pressure are then generated before and after throttling element
There is definite numerical relation between difference and fluid flow.The differential pressure before and after throttling element is measured with differential pressure transmitter, is realized to flow
Measurement.
In the prior art since throttle orifice is generally located on the center of throttling element, and it is fixed structure, it is impossible to according to reality
Situation carries out flow on-line control.
Utility model content
Technical problem to be solved in the utility model is：A kind of adjustable throttling set is provided, it can be according to actual feelings
Condition carries out flow on-line control.
Technical solution is used by the utility model to solve above-mentioned technical problem：Adjustable throttling set, including
Valve body, valve body one side is provided with import cavity, opposite side is provided with outlet cavity, is provided between import cavity and outlet cavity
Middle chamber, middle chamber connection import cavity, out of the insertion of valve body side valve body, adjusting rod outer end is formed adjusting rod with valve body
It is rotatably assorted and sealing structure is provided between valve body, the inner end of adjusting rod is stretched into middle chamber as throttling element, throttling
Throttle orifice is provided in part, throttle orifice includes the vertical throttle orifice axially set along adjusting rod, the horizontal stroke radially set along adjusting rod
To throttle orifice, horizontal throttle orifice be it is spaced multiple along adjusting rod axis direction, horizontal throttle orifice connection middle chamber with
Vertical throttle orifice, the other end of vertical throttle orifice are connected by sleeve with outlet cavity, spiral shell between the outer wall and sleeve of throttling element
Line connects, and valve body has the pilot hole being adapted with sleeve outer wall, and sleeve outer wall is connected at pilot hole by linking bond and valve body
It connects.
It is further：Adjusting rod outer end is connected by bearing with valve body.
It is further：Adjusting rod outer end is provided with spanner operation connector.
It is further：Import cavity is provided with positive pressure interface, and outlet cavity is provided with negative port, positive pressure interface and negative
It crimps mouth and is used for flow detection.
The operation principle of the utility model：During rotation process adjusting rod, since sleeve is connected by linking bond with valve body, cover
Cylinder cannot rotate, the thread fitting of adjusting rod and sleeve so that sleeve moves linearly along pilot hole.Pass through the movement of control sleeve
Horizontal throttle orifice is covered or opened, so as to fulfill flow on-line control.
The beneficial effects of the utility model are：By rotation process adjusting rod, adjustable transverse direction throttle orifice is in work shape
The quantity of state, so as to fulfill flow on-line control.In addition, the utility model can also coordinate flow detector to use.Due to stream
Amount can on-line control, so as to can guarantee measurement accuracy.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
It is marked in figure：1- valve bodies, 2- imports cavity, 3- outlets cavity, 4- middle chambers, 5- sleeves, 6- adjusting rods, 7- are led
Xiang Kong, 8- linking bond, 9- bearings, 10- spanners operation connector, 11- positive pressure interfaces, 12- negative ports, 13- sealing rings, 14- sections
Flow part, the vertical throttle orifices of 15-, 16- transverse direction throttle orifices.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
As shown in Figure 1, the utility model includes valve body 1,1 one side of valve body is provided with import cavity 2, opposite side is provided with out
Oral cavity body 3, is provided with middle chamber 4 between import cavity 2 and outlet cavity 3, middle chamber 4 connects import cavity 2, adjusting rod
6 out of the insertion of 1 side of valve body valve body 1, and 6 outer end of adjusting rod and the formation of valve body 1 are rotatably assorted and are provided between valve body 1 close
Seal structure, the inner end of adjusting rod 6 are stretched into and throttling element 14 are used as in middle chamber 4, and throttle orifice, throttle orifice are provided in throttling element 14
Including the vertical throttle orifice 15 axially set along adjusting rod 6, the horizontal throttle orifice 16 radially set along adjusting rod 6, laterally throttle
Hole 16 is spaced multiple along 6 axis direction of adjusting rod, and horizontal throttle orifice 16 connects middle chamber 4 and vertical throttle orifice
15, the other end of vertical throttle orifice 15 is connected by sleeve 5 with outlet cavity 3, screw thread between the outer wall of throttling element 14 and sleeve 5
Connection, valve body 1 have the pilot hole 7 being adapted with 5 outer wall of sleeve, and 5 outer wall of sleeve passes through linking bond 8 and valve at pilot hole 7
Body 1 connects.
The operation principle of the utility model：During rotation process adjusting rod 6, since sleeve 5 is connected by linking bond 8 and valve body 1
It connects, sleeve 5 cannot rotate, the thread fitting of adjusting rod 6 and sleeve 5 so that sleeve 5 moves linearly along pilot hole 7.Pass through control
The movement of sleeve 5 is covered or opened to horizontal throttle orifice 16, so as to fulfill flow on-line control.Pilot hole 7 and adjusting rod 6
Head can be arranged on import cavity 2 the same side, can also be divided into 2 both sides of import cavity.In the present embodiment, pilot hole 7 with
The head of adjusting rod 6 is respectively arranged on 2 both sides of import cavity.
More effortless to operate, 6 outer end of adjusting rod is connected by bearing 9 with valve body 1.
Ring structure usually can be used in sealing structure between 6 outer end of adjusting rod and valve body 1.The utility model is in the two
Between be provided with sealing ring 13, while packing seal is set in 9 installation place of bearing, forms sealing structure at two.
For convenience of operation, 6 outer end of adjusting rod is provided with spanner operation connector 10.Spanner operation connector 10 is usually arranged as six
Angle joint.
Import cavity 2 is provided with positive pressure interface 11, and outlet cavity 3 is provided with negative port 12, positive pressure interface 11 and negative pressure
Interface 12 is used for flow detection.
Claims (4)
1. adjustable throttling set, including valve body (1), valve body (1) one side is provided with import cavity (2), opposite side is provided with
Export cavity (3), it is characterised in that：Middle chamber (4), middle chamber are provided between import cavity (2) and outlet cavity (3)
(4) import cavity (2) is connected, adjusting rod (6) is out of valve body (1) side insertion valve body (1), adjusting rod (6) outer end and valve body (1)
Formation is rotatably assorted and sealing structure is provided between valve body (1), and the inner end of adjusting rod (6), which is stretched into middle chamber (4), to be made
For throttling element (14), throttling element (14) is interior to be provided with throttle orifice, and throttle orifice includes the vertical throttling axially set along adjusting rod (6)
Hole (15), the horizontal throttle orifice (16) radially set along adjusting rod (6), horizontal throttle orifice (16) are along adjusting rod (6) axis side
To spaced multiple, horizontal throttle orifice (16) connection middle chamber (4) and vertical throttle orifice (15), vertical throttle orifice (15)
The other end by sleeve (5) with outlet cavity (3) connect, be threadedly coupled between the outer wall of throttling element (14) and sleeve (5), valve
Body (1) has the pilot hole (7) being adapted with sleeve (5) outer wall, and sleeve (5) outer wall passes through linking bond (8) at pilot hole (7)
It is connected with valve body (1).
2. adjustable throttling set as described in claim 1, it is characterised in that：Adjusting rod (6) outer end by bearing (9) with
Valve body (1) connects.
3. adjustable throttling set as described in claim 1, it is characterised in that：Adjusting rod (6) outer end is provided with spanner behaviour
Make connector (10).
4. the adjustable throttling set as described in any one in claims 1 to 3, it is characterised in that：Import cavity (2) is set
Positive pressure interface (11) is equipped with, outlet cavity (3) is provided with negative port (12), and positive pressure interface (11) and negative port (12) are used for
Flow detection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721526913.2U CN207437816U (en) | 2017-11-15 | 2017-11-15 | Adjustable throttling set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721526913.2U CN207437816U (en) | 2017-11-15 | 2017-11-15 | Adjustable throttling set |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207437816U true CN207437816U (en) | 2018-06-01 |
Family
ID=62289584
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721526913.2U Active CN207437816U (en) | 2017-11-15 | 2017-11-15 | Adjustable throttling set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207437816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631097A (en) * | 2018-12-25 | 2019-04-16 | 广东珠江燃气集团股份有限公司 | A kind of air inlet regulating device for gas-cooker |
-
2017
- 2017-11-15 CN CN201721526913.2U patent/CN207437816U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109631097A (en) * | 2018-12-25 | 2019-04-16 | 广东珠江燃气集团股份有限公司 | A kind of air inlet regulating device for gas-cooker |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |