CN106439139A - Precise throttling device - Google Patents
Precise throttling device Download PDFInfo
- Publication number
- CN106439139A CN106439139A CN201611036121.7A CN201611036121A CN106439139A CN 106439139 A CN106439139 A CN 106439139A CN 201611036121 A CN201611036121 A CN 201611036121A CN 106439139 A CN106439139 A CN 106439139A
- Authority
- CN
- China
- Prior art keywords
- fixed body
- filter core
- hole
- throttling
- flow controller
- 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.)
- Pending
Links
- 238000009434 installation Methods 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000007547 defect Effects 0.000 abstract description 4
- 238000003754 machining Methods 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/02—Filters adapted for location in special places, e.g. pipe-lines, pumps, stop-cocks
- B01D35/04—Plug, tap, or cock filters filtering elements mounted in or on a faucet
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Flow Control (AREA)
- Magnetically Actuated Valves (AREA)
Abstract
The invention provides a throttling device which can regulate the flow precisely and accurately. The device comprises a fixed body and a throttling filter element; the fixed body adopts a columnar structure with a step; a through hole is formed in the center of the fixed body; the throttling filter element is arranged in the through hole in the small-diameter end of the fixed body and is cylindrical; a continuous spiral groove is formed in the outer cylindrical surface of the throttling filter element; the throttling filter element is in interference fit with the through hole in the fixed body; and one end of the spiral groove in the throttling filter element is a head end input end, and the tail end communicates with the through hole in the fixed body. With the device, defects of complex machining technology and high manufacturing cost are overcome, and the service life of the device can be prolonged continuously and stably.
Description
Technical field
The invention belongs to throttle valve technology field, especially relate to a kind of throttling being capable of accurate accurately regulation flow
Device.
Background technology
Flow controller is extensively applied in the technical field of constant current hole, particularly high-accuracy in lathe, bearing, space technology etc.
In equipment, the fine degree that it is adjusted and service life are particularly critical, and existing precision flow controller is pin type flow controller at present, its
The defect such as manufacturing cost is high, service life is short, processing technology is difficult governs the development of a lot of machine tool field and space technology.
Content of the invention
In view of this, it is contemplated that proposing a kind of novel precise flow controller, to solve processing technology complexity, manufacturing cost
High defect, its service life of raising that can be continual and steady is short.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that：
A kind of flow controller, including fixed body and throttling filter core, described fixed body is to have the step-like column structure of a section,
Fixed body center is provided with through hole, is provided with throttling filter core in the through hole of fixed body smaller diameter end, and throttling filter core is cylindrical, throttling filter
The cylindrical outer surface of core is provided with continuous helical groove, and throttling filter core and fixed body through hole are interference fit, on throttling filter core
Helical groove one end is head end input, and end is communicated with fixed body through hole.
Further, it is provided with seal at described fixed body step, seal is rubber coil structures, inner seal diameter is less than
Fixed body major diameter.
Further, the through hole at described fixed body center is variable diameters through hole, at the cylinder center in fixed body major diameter portion
Through-hole diameter be less than fixed body minor diameter cylinder center through hole, throttling filter core on notch end straight greatly with fixed body
The cylinder central through hole in footpath portion communicates.
Further, the central through hole of described fixed body minor diameter is bellmouth, the centre bore in fixed body major diameter portion
For clear opening, the smaller diameter end of bellmouth is connected with clear opening, the tapered structure of described filter core, and the groove on filter core is opened in cone
On shape surface, notch end is communicated with clear opening.
Further, the groove of described cartridge surface is uiform section groove.
Further, the groove of described cartridge surface is that variable cross-section is equidistant, and channel section gradually subtracts from head end to end
Little.
Further, the groove of described cartridge surface is variable-section variable spacing, and channel section gradually subtracts from head end to end
Little.
Further, the groove of described cartridge surface is alternating expression double spiral grooves.
Further, the fixed body outer end that is exposed at of described filter core is provided with installation portion, described installation portion be internal thread hole or
Outside bulge.
Further, the minor diameter periphery of described fixed body is provided with screw thread or the fixed body major diameter portion end of cooperation
The outer of through hole is equipped with some fixing holes.
With respect to prior art, precision flow controller of the present invention has the advantage that：
Manufacturing process of the present invention is simple, can solve the problem that the defect that pin type flow controller is not durable and manufacturing cost is high, can be greatly
Improve the service life of accurate flow controller, the flow controller of fine adjustment is provided for space flight, precision machine tool and other equipment.
Brief description
The accompanying drawing constituting the part of the present invention is used for providing a further understanding of the present invention, the schematic reality of the present invention
Apply example and its illustrate, for explaining the present invention, not constituting inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the choke valve generalized section described in the embodiment of the present invention；
Fig. 2,3,4 are three kinds of filter core schematic diagrames described in the embodiment of the present invention.
Description of reference numerals：
1- fixed body；2- dams filter core；3- seal；10- fixed body through hole；11- fixed body threaded portion；20- filter core is recessed
Groove.
Specific embodiment
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Mutually combine.
In describing the invention it is to be understood that term " " center ", " longitudinal ", " horizontal ", " on ", D score,
The orientation of instruction such as "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom ", " interior ", " outward " or position relationship are
Based on orientation shown in the drawings or position relationship, it is for only for ease of the description present invention and simplifies description, rather than instruction or dark
Show the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right
The restriction of the present invention.Additionally, term " first ", " second " etc. are only used for describing purpose, and it is not intended that indicating or hint phase
To importance or the implicit quantity indicating indicated technical characteristic.Thus, the feature defining " first ", " second " etc. can
To express or to implicitly include one or more this feature.In describing the invention, unless otherwise stated, " multiple "
It is meant that two or more.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or is integrally connected；Can
To be to be mechanically connected or electrical connection；Can be to be joined directly together it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, above-mentioned term can be understood by concrete condition
Concrete meaning in the present invention.
To describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
In conjunction with shown in Fig. 1, a kind of flow controller, including fixed body 1 and throttling filter core 2, described fixed body 1 is to have a section platform
The variable cross-section column structure of scalariform, fixed body 1 center is provided with fixed body through hole 10, is provided with the through hole of fixed body 1 smaller diameter end
Throttling filter core 2, throttling filter core 2 is cylindrical, and the cylindrical outer surface of throttling filter core 2 is provided with continuous helical form filter core groove 20,
Throttling filter core 2 is interference fit with fixed body 1 through hole 10, and on throttling filter core 2, spiral filter core groove 20 one end is head end, that is, input
End, the other end is end, and communicates with fixed body through hole 10, is provided with seal 3 at described fixed body 1 step, and seal 3 is rubber
Rubber ring structure, seal 3 internal diameter is less than fixed body 1 major diameter, blocks sealing ring 3, described fixed body at the step of fixed body 1
Through hole 10 is variable diameters through hole, is in interior hexagonal shape, is so easily installed, in the post in fixed body 1 major diameter portion at through hole 10 outer end
The through-hole diameter at body center is less than the through-hole diameter at the cylinder center of fixed body 1 minor diameter, the filter core groove on throttling filter core 2
20 ends are communicated with the cylinder central through hole in fixed body 1 major diameter portion, as shown in Fig. 2 the center of described fixed body 1 minor diameter
Through hole is bellmouth, and the centre bore in fixed body 1 major diameter portion is clear opening, and the smaller diameter end of bellmouth is connected with clear opening, institute
State the throttling tapered structure of filter core 2, the filter core groove 20 on throttling filter core 2 is opened on conical surface, notch end with straight-through
Hole communicates, and described filter core groove 20 is uiform section groove；
Filter core groove 20 as shown in Figure 3 is that variable cross-section is equidistant, and channel section is gradually reduced from head end to end, described
Filter core groove 20 is alternatively variable-section variable spacing, and channel section is gradually reduced from head end to end, is not shown；
Filter core groove 20 is alternating expression double spiral grooves as shown in Figure 4；
Fixed body 1 outer end that is exposed at of described throttling filter core 2 is provided with installation portion, and described installation portion is internal thread hole or evagination
Go out portion, be not shown；
The minor diameter periphery of fixed body 1 shown in Fig. 1 is provided with the screw thread of cooperation, or the through hole at fixed body major diameter portion end
Outer be equipped with some fixing assembling holes, be not shown；
Described fixed body 1 and the throttling preferred material of filter core 2 are copper material.
Operation principle：Described precision flow controller is arranged on pipeline or on equipment, gas or other flowing materials are from section
Groove head end on stream filter core 2 enters, and enters fixed body through hole 10 along filter core groove 20, from the output end of fixed body through hole 10
Output, thus reaching the function of accurate throttling, according to the needs adjusting flow, produces the filter of the filter core groove 20 of different cross section
Core 2, changes the regulation and control that filter core 2 can achieve flow.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Within god and principle, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (10)
1. a kind of flow controller it is characterised in that：Including fixed body (1) and throttling filter core (2), described fixed body (1) is to have one
The variable cross-section column structure of section step, fixed body (1) center is provided with fixed body through hole (10), fixed body (1) smaller diameter end logical
In the hole is provided with throttling filter core (2), and throttling filter core (2) is cylindrical, and the cylindrical outer surface of throttling filter core (2) is provided with continuous spiral
Shape filter core groove (20), throttling filter core (2) and fixed body through hole (10) are interference fit, the upper helical form filter core of throttling filter core (2)
Groove (20) end is communicated with fixed body through hole (10).
2. according to claim 1 flow controller it is characterised in that：Described fixed body through hole (10) is variable diameters through hole, solid
Determine body (1) major diameter portion cylinder center through-hole diameter be less than fixed body (1) minor diameter cylinder center through-hole diameter,
Filter core groove (20) end in throttling filter core (2) is communicated with the cylinder central through hole in fixed body (1) major diameter portion.
3. according to claim 1 flow controller it is characterised in that：The central through hole of described fixed body (1) minor diameter is cone
Shape hole, the centre bore in fixed body (1) major diameter portion is clear opening, and the smaller diameter end of bellmouth is connected with clear opening, described throttling
The tapered structure of filter core (2), throttling filter core (2) is interference fit with the tapered hole part of fixed body (1), in throttling filter core (2)
Filter core groove (20) is opened on conical surface, and filter core groove (20) end is communicated with clear opening.
4. according to claim 1 flow controller it is characterised in that：It is provided with seal (3) at described fixed body (1) step, close
Sealing (3) is rubber coil structures, and seal (3) internal diameter is less than the diameter in fixed body (1) major diameter portion.
5. according to claim 1 flow controller it is characterised in that：Described filter core groove (20) is uiform section groove.
6. according to claim 1 flow controller it is characterised in that：Shown filter core groove (20) is variable cross-section equidistantly or becomes
Section becomes spacing, and channel section is gradually reduced to end from filter core groove (20) head end.
7. according to claim 1 flow controller it is characterised in that：Described filter core groove (20) is alternating expression double spiral grooves.
8. according to claim 1 flow controller it is characterised in that：Described throttling filter core (2) be exposed at fixed body (1) outer end
It is provided with installation portion, described installation portion is internal thread hole or outside bulge.
9. according to claim 1 flow controller it is characterised in that：The minor diameter periphery of described fixed body (1) is provided with cooperation
Screw thread, or the outer of the through hole at fixed body major diameter portion end be equipped with some pilot holes, or described fixed body through hole (10) is outward
It is in interior hexagonal shape hole at end.
10. according to claim 1 flow controller it is characterised in that：Described fixed body (1) and throttling filter core (2) are by copper material
Material is made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611036121.7A CN106439139A (en) | 2016-11-21 | 2016-11-21 | Precise throttling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611036121.7A CN106439139A (en) | 2016-11-21 | 2016-11-21 | Precise throttling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106439139A true CN106439139A (en) | 2017-02-22 |
Family
ID=58221333
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611036121.7A Pending CN106439139A (en) | 2016-11-21 | 2016-11-21 | Precise throttling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106439139A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2753953A (en) * | 1954-04-26 | 1956-07-10 | Stewart Warner Corp | Coalescing fitting |
| US3804334A (en) * | 1973-02-09 | 1974-04-16 | B Curry | Controlled moisture emitter |
| CN101107485A (en) * | 2005-02-28 | 2008-01-16 | 大金工业株式会社 | Expansion valve and refrigeration device |
| CN201982751U (en) * | 2011-04-27 | 2011-09-21 | 黄建斌 | Adjusting valve |
| CN103591351A (en) * | 2012-10-18 | 2014-02-19 | 北京熊川阀门制造有限公司 | Regulating valve |
-
2016
- 2016-11-21 CN CN201611036121.7A patent/CN106439139A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2753953A (en) * | 1954-04-26 | 1956-07-10 | Stewart Warner Corp | Coalescing fitting |
| US3804334A (en) * | 1973-02-09 | 1974-04-16 | B Curry | Controlled moisture emitter |
| CN101107485A (en) * | 2005-02-28 | 2008-01-16 | 大金工业株式会社 | Expansion valve and refrigeration device |
| CN201982751U (en) * | 2011-04-27 | 2011-09-21 | 黄建斌 | Adjusting valve |
| CN103591351A (en) * | 2012-10-18 | 2014-02-19 | 北京熊川阀门制造有限公司 | Regulating valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170222 |