CN103267136B - A kind of valve - Google Patents
A kind of valve Download PDFInfo
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- CN103267136B CN103267136B CN201310214878.0A CN201310214878A CN103267136B CN 103267136 B CN103267136 B CN 103267136B CN 201310214878 A CN201310214878 A CN 201310214878A CN 103267136 B CN103267136 B CN 103267136B
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- depression bar
- piston assembly
- piston
- buffer spring
- valve body
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Abstract
The present invention relates to a kind of valve, comprise valve body, depression bar, drive unit and piston assembly, described valve body lower portion is provided with water outlet, and the water outlet in described valve body coordinates with piston assembly, described depression bar top connecting drive device, the middle part of described piston assembly arranges center hole, described depression bar lower end is through center hole, and depression bar arranges Clip Reed A and buffer spring, and described buffer spring one end is connected with Clip Reed A, the other end is connected with piston assembly, and described depression bar is flexibly connected with piston assembly.When the present invention adopts the drive unit such as step motor type or thermometer bulb formula to work, downward promotion depression bar, valve closing, stepper motor or thermometer bulb continue to promote depression bar, depression bar can continue to move down by opposing pistons assembly, prevent that powerful reaction force makes its drive unit cause damage, substantially prolongs the working life of drive unit as stepper motor or thermometer bulb, greatly reduce machining assembly precision and cost simultaneously.
Description
Technical field
The invention belongs to flow control valve, be specifically related to a kind of thermostat valve.
Background technique
In recent years along with the process that heat changes, thermostatic valve is widely used.But old thermostatic valve and electric heating valve, its structure is mostly the principle utilizing thermometer bulb to expand with heat and contract with cold.Ambient temperature raises drive unit thermometer bulb and expands, and depression bar piston moves down, cut-off valve.After closedown, if temperature is too high, thermometer bulb continues depression bar force, and depression bar can not move, and impose very large outbreak firmly to thermometer bulb, cause the medium in thermometer bulb to overflow, drive unit lost efficacy, and used inconvenience and high cost.In like manner, electric heating valve is also that depression bar causes diaphragm breakage to the pressure that thermometer bulb interior diaphragm produces because expanding and lost efficacy.
In the application, also have using stepper motor as driving power, easy to use.Because stepper motor follow procedure is drive with electromagnetic pulse, mobile very accurate, but the error after assembling with valve body is too large, once valve closes rear stepper motor also give presser bar pressure downwards, because of reaction force, the problem such as easily cause stepper motor to throw switch, stuck, causes stepper motor to damage and lost efficacy.If improve the precision of machining assembling, cost can improve again greatly.
Summary of the invention
The technical problem to be solved in the present invention is, a kind of flow control valve is provided, the depression bar of this valve body can relative movement through center hole and piston assembly, when piston assembly closes water outlet, it is mobile that depression bar can continue buffering, automatically can regulate the pressure of depression bar, extend the working life of drive unit as stepper motor or thermometer bulb, reduce machining assembly precision and cost simultaneously.
For achieving the above object, the present invention is by the following technical solutions:
A kind of valve, comprise valve body, depression bar, drive unit and piston assembly, described valve body lower portion is provided with water outlet, water outlet in described valve body coordinates with piston assembly, described depression bar top connecting drive device, and the middle part of described piston assembly arranges center hole, described depression bar lower end is flexibly connected with piston assembly through center hole, depression bar arranges location card reed A and buffer spring, and described buffer spring one end coordinates with Clip Reed A, and the other end coordinates with piston assembly.Described depression bar lower end is provided with location card reed C or locator protrusions, and piston assembly and depression bar can have relative displacement.When piston assembly closes water outlet, depression bar can continue descending through piston assembly under the effect of drive unit, namely depression bar has the buffer space continuing movement, thus avoid driving mechanism, such as thermometer bulb or stepper motor etc., continue to drive depression bar to move downward, produce huge reaction force because depression bar withstands driving mechanism without running space to it, occur that thermometer bulb damages, stepper motor throws switch, stuck etc. causes drive unit Problem of Failure.
Preferably, described drive unit comprises step motor type or thermometer bulb formula control mechanism, with control depression bar to down stroke, or drive unit can control the to-and-fro motion of depression bar, and under the drive of depression bar, piston assembly coordinates with water outlet and realizes closing or opening.
Preferably, described buffer spring is arranged on the downside of piston assembly and depression bar links, and stretched by depression bar, the upper end of buffer spring is fixedly connected with piston assembly, and lower end and depression bar (10) lower end are located by connecting.
Preferably, groove/projection that described depression bar is arranged and the Clip Reed A for blocking buffer spring, described Clip Reed A and groove/protrusions match and depression bar link.
The present invention compared with prior art has the following advantages:
1) water outlet in valve body of the present invention coordinates with piston assembly to be opened or throttle down; When step motor type controls or other driving mode work, press depression bar downwards, valve closing, once stepper motor works on or thermometer bulb continuation is given downwards and pressure, depression bar can continue to move down, thoroughly solve traditional drives when depression bar stops moving downward, depression bar to drive unit without buffering, can not automatically regulate depression bar to produce the problem of huge reaction force, drive unit is avoided to damage because of the reaction force of depression bar, greatly extend the working life of drive unit as stepper motor or thermometer bulb, reduce machining accuracy and cost simultaneously.
2) the present invention reduces machining assembly precision and cost, and efficient work is stablized.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1
Fig. 2 is the structural representation of embodiment 2
Embodiment
Below in conjunction with accompanying drawing, the present invention is described further:
Embodiment 1
As shown in Figure 1, the present embodiment comprises valve body 1, depression bar 10, step motor type control mechanism and piston assembly 2, and described depression bar 10 upper end connects stepper motor, and stepper motor implements driving force to it, makes it descending;
Described valve body 1 bottom is provided with water outlet 14, and the water outlet 14 in described valve body coordinates with piston assembly 2;
Described valve body 1 top arranges piston sleeve 11 and piston cap 9, described piston sleeve 11 and piston cap 9 inside arrange the protective cap 8, the compressing tablet 6 that are used for Returnning spring 7 and locate, the corresponding depression bar 10 in medial axis of described piston cap 9, protective cap 8, compressing tablet 6, piston sleeve 11, piston assembly 2 arranges center hole, described depression bar passes piston cap 9, protective cap 8, Returnning spring 7, compressing tablet 6, piston sleeve 11 and piston assembly 2 successively by center hole, and prevents from departing from Clip Reed C15 seized piston assembly 2; Depression bar between described protective cap 8 and compressing tablet 6 is arranged Clip Reed B13 for blocking Returnning spring 7, piston sleeve 11 and piston cap 9 are established to O RunddichtringO B12 and O RunddichtringO A5 respectively with depression bar cooperation place.
Depression bar between described piston sleeve 11 and piston assembly 2 arranges groove, location card reed A3 and buffer spring 4 according to the stroke location of depression bar, is applicable to the control valve compared with Long travel; Described location card reed A3 is arranged in groove and is connected with depression bar for buffer spring 4 one end, and the other end of described buffer spring 4 is connected with piston assembly 2; Described piston assembly 2 can be the single-piece coordinated with water outlet 14, also can be the assembly of suit fitted seal circle.
During installation, first Clip Reed A3 is snapped in the groove of depression bar 10 lower end, again depression bar 10 is inserted piston assembly 2 center hole, be inserted in buffer spring 4, O RunddichtringO A5 is placed on bottom piston sleeve 11, from bottom to top will with Clip Reed A3, piston assembly 2, buffer spring 4 inserts piston sleeve 11 and O RunddichtringO A5 from the center hole of piston sleeve 11, compressing tablet 6 is inserted in successively from top, Returnning spring 7, again Clip Reed B13 is snapped in the groove of depression bar 10 upper end, be inserted in protective cap 8, again O RunddichtringO B12 is inserted in depression bar 10, finally the center hole of depression bar 10 from piston cap 9 is inserted, piston sleeve 11 is arranged on valve body 1, assemble complete.Wherein, described piston sleeve 11 and valve body 1 are with being threaded.When stepper motor works, press depression bar 10 downwards, compressing buffer spring 4 makes piston assembly 2 by valve closing, once stepper motor works on, depression bar 10 opposing pistons assembly 2 continues to move down, solve stepper motor stuck, throw switch and damage the problem such as inefficacy.
Embodiment 2
The present embodiment difference from Example 1 is, adopts thermometer bulb formula control mechanism, namely varies with temperature by liquid in thermometer bulb the control depression bar 10 that expands with heat and contract with cold and advances.As shown in Figure 2, described buffer spring 4 is stretching spring, and being arranged between the lower end of depression bar and piston assembly 2 is water outlet side, and buffer spring 4 one end is fixedly connected with piston assembly 2, and the other end links with depression bar 10 by arranging location card reed A3 location buffer spring 4.The descending stretching buffer spring 4 of depression bar 10 makes piston assembly 2 be closed by water outlet 14, if thermometer bulb continues to apply active force downwards, depression bar 10 can continue to move down by opposing pistons assembly 2, prevents reaction force to the destruction of thermometer bulb.
The above embodiment of the present invention is only the good mode of execution of this patent, the structure that all employing the technical program describes, feature and the change in its spiritual principle, modifies the protection domain all belonging to this patent.
Claims (4)
1. a valve, comprise valve body (1), depression bar (10), drive unit and piston assembly (2), described valve body (1) bottom is provided with water outlet (14), water outlet (14) in described valve body coordinates with piston assembly (2), described depression bar (10) top connecting drive device, it is characterized in that, described valve body (1) top arranges piston sleeve (11) and piston cap (9), described piston sleeve (11) and piston cap (9) inside arrange the protective cap (8) being used for Returnning spring (7) and locating, compressing tablet (6), depression bar between described protective cap (8) and compressing tablet (6) is arranged Clip Reed B (13), described piston cap (9), protective cap (8), compressing tablet (6), piston sleeve (11), the corresponding depression bar (10) in medial axis of piston assembly (2) arranges center hole, described depression bar (10) passes piston cap (9) successively by center hole, protective cap (8), Returnning spring (7), compressing tablet (6), piston sleeve (11) is flexibly connected with piston assembly (2), described depression bar (10) arranges location card reed A (3) and buffer spring (4), described buffer spring (4) one end coordinates with Clip Reed A (3), the other end coordinates with piston assembly (2), depression bar (10) lower end is provided with location card reed C (15) or locator protrusions.
2. valve according to claim 1, is characterized in that, described drive unit is step motor type or thermometer bulb formula control mechanism.
3. valve according to claim 1, it is characterized in that, described buffer spring (4) is arranged on the downside of piston assembly (2) and depression bar links, the upper end of buffer spring (4) is fixedly connected with piston assembly (2), and lower end and depression bar (10) lower end are located by connecting.
4. valve according to claim 1 and 2, it is characterized in that, groove/projection that described depression bar (10) is arranged and the Clip Reed A (3) for locating buffer spring (4), described Clip Reed A (3) and groove/protrusions match.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310214878.0A CN103267136B (en) | 2013-05-31 | 2013-05-31 | A kind of valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310214878.0A CN103267136B (en) | 2013-05-31 | 2013-05-31 | A kind of valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103267136A CN103267136A (en) | 2013-08-28 |
| CN103267136B true CN103267136B (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310214878.0A Active CN103267136B (en) | 2013-05-31 | 2013-05-31 | A kind of valve |
Country Status (1)
| Country | Link |
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| CN (1) | CN103267136B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104034200B (en) * | 2014-04-25 | 2016-02-24 | 武汉工程大学 | Mechanical automatic water saving device |
| CN104879503B (en) * | 2015-05-13 | 2017-09-29 | 华夏阀门有限公司 | A kind of quick-action slurry stop valve |
| CN109100587A (en) * | 2018-06-29 | 2018-12-28 | 安徽和光电气设备有限公司 | A kind of smart grid monitoring device with safeguard function |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3721264A (en) * | 1971-10-20 | 1973-03-20 | D Coughlin | Combination shut-off check and pressure surge relief valve |
| US4634093A (en) * | 1985-10-07 | 1987-01-06 | Vilter Manufacturing Corporation | Mounting means for valve disc |
| CN202171005U (en) * | 2011-05-30 | 2012-03-21 | 杭州三花研究院有限公司 | Thermostatic valve |
| CN202418882U (en) * | 2012-01-04 | 2012-09-05 | 浙江三花股份有限公司 | Spool part of temperature control valve and temperature control valve using spool part |
| CN202719159U (en) * | 2012-08-14 | 2013-02-06 | 宁波杰克龙阀门有限公司 | Power-driven two-way valve |
| CN202790588U (en) * | 2012-09-19 | 2013-03-13 | 浙江工贸职业技术学院 | Buffering type waterproof hammer valve |
| CN202812223U (en) * | 2012-09-24 | 2013-03-20 | 温州艾芬达百意伦智控系统有限公司 | Control valve |
| CN203309150U (en) * | 2013-05-31 | 2013-11-27 | 韩效亮 | Valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102927340B (en) * | 2011-08-12 | 2014-07-02 | 邹燕 | Gas emergency cut-off valve |
-
2013
- 2013-05-31 CN CN201310214878.0A patent/CN103267136B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3721264A (en) * | 1971-10-20 | 1973-03-20 | D Coughlin | Combination shut-off check and pressure surge relief valve |
| US4634093A (en) * | 1985-10-07 | 1987-01-06 | Vilter Manufacturing Corporation | Mounting means for valve disc |
| CN202171005U (en) * | 2011-05-30 | 2012-03-21 | 杭州三花研究院有限公司 | Thermostatic valve |
| CN202418882U (en) * | 2012-01-04 | 2012-09-05 | 浙江三花股份有限公司 | Spool part of temperature control valve and temperature control valve using spool part |
| CN202719159U (en) * | 2012-08-14 | 2013-02-06 | 宁波杰克龙阀门有限公司 | Power-driven two-way valve |
| CN202790588U (en) * | 2012-09-19 | 2013-03-13 | 浙江工贸职业技术学院 | Buffering type waterproof hammer valve |
| CN202812223U (en) * | 2012-09-24 | 2013-03-20 | 温州艾芬达百意伦智控系统有限公司 | Control valve |
| CN203309150U (en) * | 2013-05-31 | 2013-11-27 | 韩效亮 | Valve |
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| CN103267136A (en) | 2013-08-28 |
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Effective date of registration: 20160811 Address after: 450017 Henan city of Zhengzhou Province Ding Road, Zheng Dong New District and Xinyi Road intersection Taiwan building block B room 1301 Patentee after: Henan Vico Anguang Industrial Co., Ltd. Address before: 100025, building 6, building 1, No. ten, Fort 1104, Beijing, Chaoyang District Patentee before: Han Xiaoliang |
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Effective date of registration: 20180719 Granted publication date: 20151202 |