CN105179757A - Flow regulating valve with overvoltage protection - Google Patents
Flow regulating valve with overvoltage protection Download PDFInfo
- Publication number
- CN105179757A CN105179757A CN201510627723.9A CN201510627723A CN105179757A CN 105179757 A CN105179757 A CN 105179757A CN 201510627723 A CN201510627723 A CN 201510627723A CN 105179757 A CN105179757 A CN 105179757A
- Authority
- CN
- China
- Prior art keywords
- cavity
- screw rod
- pressed
- overvoltage protection
- adjusting screw
- 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.)
- Granted
Links
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 50
- 238000007789 sealing Methods 0.000 claims abstract description 25
- 239000012530 fluid Substances 0.000 claims abstract description 17
- 239000011148 porous material Substances 0.000 claims description 21
- 239000012634 fragment Substances 0.000 claims description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000000994 depressogenic effect Effects 0.000 claims description 4
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 230000004907 flux Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000000084 colloidal system Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000243 solution Substances 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
-
- 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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/04—Check valves with guided rigid valve members shaped as balls
- F16K15/044—Check valves with guided rigid valve members shaped as balls spring-loaded
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
- Control Of Fluid Pressure (AREA)
Abstract
The invention discloses a flow regulating valve with overvoltage protection, which comprises a main valve body and a flow regulating device, wherein a first cavity and a second cavity are arranged in the main valve body, the first cavity is communicated with the second cavity through a communicating hole, a fluid inlet is arranged on the first cavity, a fluid outlet is arranged on the second cavity, a spring type one-way valve for communicating the first cavity with the second cavity is arranged in the main valve body, the flow regulating device comprises a shell, a regulating screw rod, a pressure regulating shaft, a push pin and an elastic device, the rotating regulating screw rod can regulate the moving distance of a push pin front end push sealing part, thereby regulating the opening size of the communicating hole to achieve the flow regulating function, when the pressure of the second cavity is overlarge, the push pressure regulating shaft and the push pin move backwards by overcoming the elasticity of the elastic device, recovering the function of the spring type one-way valve to prevent fluid backflow, the overvoltage protection function is achieved.
Description
Technical field
The present invention relates to a kind of flow control valve with overvoltage protection being applied to the feeding system of injection machine.
Background technique
In the feeding system of injection machine, magma transporting system and mill base transporting system are generally included, when product colloid does not need dyeing, direct supply magma, when needs dye, need in feeding system magma, mill base carries out proportioning, export after mixing, therefore the multiple pump housing is included in the feeding system of injection machine, valve body, the hydraulic pressure installation such as pipeline, hydraulic pressure installation in feeding system, the configuration of hydraulic system will determine the stability of whole feeding system, reliability and safety, usually the various flow control valve of proportioning is understood to reach different proportionings in feeding system, but current flow control valve only realizes flow regulating function, do not possess the functions such as overvoltage protection.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention provides a kind of flow control valve with overvoltage protection.
The technical solution adopted for the present invention to solve the technical problems is:
With the flow control valve of overvoltage protection, comprise main valve body and flow regulator, wherein,
The first cavity and the second cavity is provided with in described main valve body, be communicated with by an intercommunicating pore between described first cavity and the second cavity, described first cavity is provided with fluid input, described second cavity is provided with fluid output, a spring one-way valve is configured with in described main valve body, described spring one-way valve comprises spring and Sealing, the second cavity inner wall is pressed on described spring one end top, spring the other end top is pressed on Sealing, and Sealing top can be depressed into intercommunicating pore and seal intercommunicating pore by described spring;
Described flow regulator comprises shell, adjusting screw rod, pressure regulating axis, promote, elastic force apparatus, a thread cavity is provided with in described shell, described adjusting screw rod is arranged in this thread cavity by screw-thread fit, described adjusting screw rod center offers the slide opening be slidably matched with pressure regulating axis end, top, described elastic force apparatus one end is pressed on adjusting screw rod, described elastic force apparatus the other end top is pressed on pressure regulating axis front end, described first cavity side is configured with regulating piston assembly, described distribution is arranged in the first cavity, described pressure regulating axis front end immediate roof is pressed in be promoted end or is pressed in distribution end by regulating piston assembly top, described distribution front end is pressed on Sealing through the first cavity top, the distance promoting the laminate seal movement of top, front end can be regulated by rotating adjusting screw rod, thus regulate the openings of sizes of intercommunicating pore.
Described Sealing is a steel ball, and the external diameter of described steel ball is greater than the aperture of intercommunicating pore.
Described elastic force apparatus is made up of the bowl-type shell fragment organized more, and described bowl-type shell fragment is set on pressure regulating axis.
Described pressure regulating axis leading portion is provided with the top pressure side portion corresponding with bowl-type shell fragment, and described adjusting screw rod is provided with corresponding with bowl-type shell fragment ring-shaped step structure, and described elastic force apparatus pushes up respectively and is pressed between pressure side portion, top and the ring-shaped step structure of adjusting screw rod.
Described adjusting screw rod is also configured with the locking nut of at least one, described locking nut can rotate top and be pressed in shell end face.
Described pressure regulating axis front end is fixed with a connecting screw rod, and described distribution end is provided with the tapped hole with connecting screw rod screw-thread fit.
Be provided with a seal valve circle between described first cavity and the second cavity, described intercommunicating pore is opened on seal valve circle.
The invention has the beneficial effects as follows: with the flow control valve of overvoltage protection, comprise main valve body and flow regulator, the first cavity and the second cavity is provided with in main valve body, be communicated with by an intercommunicating pore between described first cavity and the second cavity, described first cavity is provided with fluid input, described second cavity is provided with fluid output, the spring one-way valve of one first cavity to the second cavity conducting is configured with in described main valve body, described flow regulator comprises shell, adjusting screw rod, pressure regulating axis, promote, elastic force apparatus, rotate adjusting screw rod and can regulate the distance promoting the laminate seal movement of top, front end, thus regulate the openings of sizes of intercommunicating pore, reach flow regulating function, when the second chamber pressure is excessive, top pressure pressure regulating axis and distribution overcome the resilient rear-moving of elastic force apparatus, recover the function of spring one-way valve, prevent reverse flow of fluids, reach over-voltage protecting function.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the present invention is further described.
Fig. 1 is structural representation of the present invention;
Fig. 2 is generalized section of the present invention.
Embodiment
With reference to Fig. 1, Fig. 2, Fig. 1, Fig. 2 are the structural representations of the present invention's specific embodiment, as shown in the figure, with the flow control valve of overvoltage protection, comprise main valve body 1 and flow regulator 2.
As shown in the figure, the first cavity 11 and the second cavity 12 is provided with in described main valve body 1, be communicated with by an intercommunicating pore 13 between described first cavity 11 and the second cavity 12, described first cavity 11 is provided with fluid input 14, described second cavity 12 is provided with fluid output 15, a spring one-way valve is configured with in described main valve body 1, described spring one-way valve comprises spring 16 and Sealing 17, top, described spring 16 one end pressure second cavity 12 inwall, spring 17 the other end top is pressed on Sealing 17, Sealing 17 top can be depressed into intercommunicating pore 13 and seal intercommunicating pore 13 by described spring 17, by this spring one-way valve, when being pressed on Sealing 17 without external force top, the first cavity 11 to the second cavity 12 one-way conduction can be made, as preferably, described Sealing 17 is a steel ball, the external diameter of described steel ball is greater than the aperture of intercommunicating pore 13.
As shown in the figure, described flow regulator 2 comprises shell 21, adjusting screw rod 22, pressure regulating axis 23, promote 24, elastic force apparatus, a thread cavity 211 is provided with in described shell 21, described adjusting screw rod 22 is arranged in this thread cavity 211 by screw-thread fit, described adjusting screw rod 22 center offers the slide opening 221 be slidably matched with pressure regulating axis 23 end, top, described elastic force apparatus one end is pressed on adjusting screw rod 22, described elastic force apparatus the other end top is pressed on pressure regulating axis 23 front end, described first cavity 11 side is hatch frame and is configured with regulating piston assembly 111, described distribution 24 is arranged in the first cavity 11, described pressure regulating axis 23 front end immediate roof is pressed in distribution 24 end or is pressed in distribution 24 end by regulating piston assembly 111 top, described distribution 24 front end is pressed on Sealing 17 through the first cavity 11 top.
During use, distribution 24 front end can be regulated to push up the distance of laminate seal 17 movement by rotating adjusting screw rod 22, thus regulate the openings of sizes of intercommunicating pore 13, thus adjust flux, when the first cavity 11 inner fluid pressure acted on Sealing 17 is less than the elastic force of spring 17, the flow of valve body maintains the uninterrupted regulating distribution 24 to back down Sealing 17 adjustment;
When the first cavity 11 inner fluid pressure acted on Sealing 17 is greater than the elastic force of spring 17, Sealing 17, by top pressure reach, increases the openings of sizes of intercommunicating pore 13 automatically, improves flow;
If fluid output 15 blocks or output unit fault or operate miss, when making the pressure in the second cavity 12 excessive, now owing to regulating distribution 24 to back down Sealing 17, therefore the hydrodynamic pressure in the first cavity 11 increases accordingly, when the fluid matasomatism in the first cavity 11 is greater than the elastic force of elastic force apparatus in the power of regulating piston assembly 111, move after pressure regulating axis 23, move after driving distribution 24 simultaneously, releasing sealed part 17, Sealing 17 recovers non-return valve function under the action of the spring 16, block fluid flows into the first cavity 11 from the second cavity 12, thus prevent high-pressure liquid from flowing backwards, reach over-voltage protecting function.
As preferably, described elastic force apparatus is made up of the bowl-type shell fragment 25 organized more, the bowl-type shell fragment 25 of many groups is arranged symmetrically with, described bowl-type shell fragment 25 is set in described pressure regulating axis 23 leading portion on pressure regulating axis 23 and is provided with the top pressure side portion 231 corresponding with bowl-type shell fragment 25, described adjusting screw rod 22 is provided with corresponding with bowl-type shell fragment 25 ring-shaped step structure, described elastic force apparatus pushes up respectively and is pressed between pressure side portion 231, top and the ring-shaped step structure of adjusting screw rod 22, the present invention regulates the size of elastic force apparatus elastic force by bowl-type shell fragment 25, thus regulate the critical pressure of overvoltage protection, and when pressure regulating axis 23 top is depressed into limit position, namely when Sealing 17 is reached maximum by the displacement of top pressure, continue the critical pressure rotating the renewable increase overvoltage protection of adjusting screw rod 22, in the present invention, adopt bowl-type shell fragment 25 can provide the elastic force pressure higher than conventional springs, and the reliability of bowl-type shell fragment 25, recoverability, stability is all higher.
As preferably, described adjusting screw rod 22 is also configured with the locking nut 222 of at least one, described locking nut 222 can rotate top and be pressed in shell 21 end face, lock adjustment screw rod 22, prevents adjusting screw rod 22 from moving; And the nut of outer-hexagonal shape is set at adjusting screw rod 22 end, facilitate the adjustment of adjusting screw rod 22 to rotate.
As preferably, described pressure regulating axis 23 front end is fixed with a connecting screw rod 232, described distribution 24 end is provided with the tapped hole with connecting screw rod 232 screw-thread fit, by rotating the top pressure degree of depth of the adjustable distribution 24 of pressure regulating axis 23, thus the scope that adjust flux regulates.
As preferably, a seal valve circle 3 is provided with between described first cavity 11 and the second cavity 12, described intercommunicating pore 13 is opened on seal valve circle 3, sealing valve circle 3 is a separate piece, can according to different Flow-rate adjustment requirements, change the seal valve circle 3 of different bore, improve the flexibility of valve body assembling.
Above better enforcement of the present invention is illustrated; certainly; the present invention can also adopt form different from the embodiment described above; the equivalent conversion that those of ordinary skill in the art do under the prerequisite without prejudice to spirit of the present invention or change accordingly, all should belong in protection scope of the present invention.
Claims (7)
1. with the flow control valve of overvoltage protection, it is characterized in that: comprise main valve body (1) and flow regulator (2), wherein,
The first cavity (11) and the second cavity (12) is provided with in described main valve body (1), be communicated with by an intercommunicating pore (13) between described first cavity (11) and the second cavity (12), described first cavity (11) is provided with fluid input (14), described second cavity (12) is provided with fluid output (15), a spring one-way valve is configured with in described main valve body (1), described spring one-way valve comprises spring (16) and Sealing (17), top, described spring (16) one end pressure second cavity (12) inwall, spring (17) the other end top is pressed on Sealing (17), Sealing (17) top can be depressed into intercommunicating pore (13) and seal intercommunicating pore (13) by described spring (17),
Described flow regulator (2) comprises shell (21), adjusting screw rod (22), pressure regulating axis (23), promote (24), elastic force apparatus, a thread cavity (211) is provided with in described shell (21), described adjusting screw rod (22) is arranged in this thread cavity (211) by screw-thread fit, described adjusting screw rod (22) center offers the slide opening (221) be slidably matched with pressure regulating axis (23) end, top, described elastic force apparatus one end is pressed on adjusting screw rod (22), described elastic force apparatus the other end top is pressed on pressure regulating axis (23) front end, described first cavity (11) side is configured with regulating piston assembly (111), described distribution (24) is arranged in the first cavity (11), described pressure regulating axis (23) front end immediate roof is pressed in distribution (24) end or is pressed in distribution (24) end by regulating piston assembly (111) top, described distribution (24) front end is pressed on Sealing (17) through the first cavity (11) top, distribution (24) front end can be regulated to push up the distance of laminate seal (17) movement by rotating adjusting screw rod (22), thus regulate the openings of sizes of intercommunicating pore (13).
2. the flow control valve with overvoltage protection according to claim 1, is characterized in that: described Sealing (17) is a steel ball, and the external diameter of described steel ball is greater than the aperture of intercommunicating pore (13).
3. the flow control valve with overvoltage protection according to claim 1, is characterized in that: described elastic force apparatus is made up of the bowl-type shell fragment (25) organized more, and described bowl-type shell fragment (25) is set on pressure regulating axis (23).
4. the flow control valve with overvoltage protection according to claim 3; it is characterized in that: described pressure regulating axis (23) leading portion is provided with the top pressure side portion (231) corresponding with bowl-type shell fragment (25); described adjusting screw rod (22) is provided with corresponding with bowl-type shell fragment (25) ring-shaped step structure, and described elastic force apparatus pushes up respectively and is pressed between pressure side portion, top (231) and the ring-shaped step structure of adjusting screw rod (22).
5. the flow control valve with overvoltage protection according to claim 1; it is characterized in that: the locking nut (222) described adjusting screw rod (22) being also configured with at least one, described locking nut (222) can rotate top and be pressed in shell (21) end face.
6. the flow control valve with overvoltage protection according to claim 1; it is characterized in that: described pressure regulating axis (23) front end is fixed with a connecting screw rod (232), described distribution (24) end is provided with the tapped hole with connecting screw rod (232) screw-thread fit.
7. the flow control valve with overvoltage protection according to claim 1, is characterized in that: be provided with a seal valve circle (3) between described first cavity (11) and the second cavity (12), described intercommunicating pore (13) is opened on seal valve circle (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510627723.9A CN105179757B (en) | 2015-09-25 | 2015-09-25 | Flow regulating valve with overvoltage protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510627723.9A CN105179757B (en) | 2015-09-25 | 2015-09-25 | Flow regulating valve with overvoltage protection |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105179757A true CN105179757A (en) | 2015-12-23 |
| CN105179757B CN105179757B (en) | 2018-03-06 |
Family
ID=54902053
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510627723.9A Active CN105179757B (en) | 2015-09-25 | 2015-09-25 | Flow regulating valve with overvoltage protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105179757B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077816A (en) * | 2016-05-30 | 2016-11-09 | 合肥航天液压机械有限公司 | Mining band saw |
| CN107883025A (en) * | 2017-12-13 | 2018-04-06 | 玉林市川迪机器制造有限公司 | A kind of check valve that can freely change Way in |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040144938A1 (en) * | 2002-10-17 | 2004-07-29 | Frank Akselberg | Pressure compensated pilot operated check valve |
| CN2818965Y (en) * | 2005-08-29 | 2006-09-20 | 成都鸿翔阀门有限公司 | Self-driven pressure-adjusting valve |
| CN201028076Y (en) * | 2007-03-01 | 2008-02-27 | 谢家洪 | Reducing valve |
| CN203214983U (en) * | 2013-04-08 | 2013-09-25 | 宁波富斯乐机械制造有限公司 | Differential pressure type high pressure retaining overflow valve for high-pressure plunger pump |
| CN104251326A (en) * | 2013-06-28 | 2014-12-31 | 南京福碧源环境技术有限公司 | Liquid pressure regulating valve |
| CN204553961U (en) * | 2015-04-13 | 2015-08-12 | 烟台融窗太阳能热水器有限公司 | A kind of reduction valve |
| CN205064945U (en) * | 2015-09-25 | 2016-03-02 | 中山市亚泰机械实业有限公司 | Flow regulating valve with overvoltage protection |
-
2015
- 2015-09-25 CN CN201510627723.9A patent/CN105179757B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040144938A1 (en) * | 2002-10-17 | 2004-07-29 | Frank Akselberg | Pressure compensated pilot operated check valve |
| CN2818965Y (en) * | 2005-08-29 | 2006-09-20 | 成都鸿翔阀门有限公司 | Self-driven pressure-adjusting valve |
| CN201028076Y (en) * | 2007-03-01 | 2008-02-27 | 谢家洪 | Reducing valve |
| CN203214983U (en) * | 2013-04-08 | 2013-09-25 | 宁波富斯乐机械制造有限公司 | Differential pressure type high pressure retaining overflow valve for high-pressure plunger pump |
| CN104251326A (en) * | 2013-06-28 | 2014-12-31 | 南京福碧源环境技术有限公司 | Liquid pressure regulating valve |
| CN204553961U (en) * | 2015-04-13 | 2015-08-12 | 烟台融窗太阳能热水器有限公司 | A kind of reduction valve |
| CN205064945U (en) * | 2015-09-25 | 2016-03-02 | 中山市亚泰机械实业有限公司 | Flow regulating valve with overvoltage protection |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106077816A (en) * | 2016-05-30 | 2016-11-09 | 合肥航天液压机械有限公司 | Mining band saw |
| CN107883025A (en) * | 2017-12-13 | 2018-04-06 | 玉林市川迪机器制造有限公司 | A kind of check valve that can freely change Way in |
| CN107883025B (en) * | 2017-12-13 | 2024-06-07 | 玉林市川迪机器制造有限公司 | One-way valve capable of freely converting inlet direction |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105179757B (en) | 2018-03-06 |
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