CN106481608B - Floor spring speed governing valve - Google Patents
Floor spring speed governing valve Download PDFInfo
- Publication number
- CN106481608B CN106481608B CN201611034696.5A CN201611034696A CN106481608B CN 106481608 B CN106481608 B CN 106481608B CN 201611034696 A CN201611034696 A CN 201611034696A CN 106481608 B CN106481608 B CN 106481608B
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- CN
- China
- Prior art keywords
- cavity
- spool
- speed governing
- governing valve
- floor spring
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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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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Details Of Valves (AREA)
- Temperature-Responsive Valves (AREA)
Abstract
The invention discloses a kind of floor spring speed governing valves, it includes an earth's crust, it, which runs through, is equipped with an assembly cavity, one end of the earth's crust has a valve body, a cavity is offered in the side of the valve body, the cavity is blind hole, it has a bottom, one spool is assemblied in the cavity, the cavity and the assembly cavity are connected to by a through-hole, wherein spool offers an opening close to a tail end of cavity bottom, the opening is spiral slot, spool offers opening close to the tail end of cavity bottom, the opening is spiral slot, the improved valve core structure stroke that goes rancid is longer, threshold sensitivity is adjusted the speed to improve, above-mentioned floor spring speed governing valve solves oil when passing through speed governing valve, lead to the problem of noise of uttering long and high-pitched sounds.
Description
[technical field]
The present invention relates to a kind of floor spring speed governing valve, espespecially a kind of floor spring speed governing valve for acting on door.
[background technique]
Referring to Figure 1, a kind of existing floor spring adjusts the speed valve arrangement, including a valve body 1, forms cavity in the valve body 1
2, and spool 3 is assembled on valve body 1, oil liquid recirculation hole 5, an end of spool 3 have been opened between cavity 2 and the assembly cavity 4 of spool 3
End 6 offers an opening 61, which is triangular groove shape structure, so that hydraulic circuit circulates, but this structure is in oil pressure
When being easy to produce noise when excessive, and have impurity in oil, oil flow rate stability is poor.In addition, there are also a kind of circles in the market
The spool of pyramidal structure, using the speed governing valve of this structure, in environment temperature sharp fall, reaction speed also can be substantially
It spends slack-off.
Therefore, it is necessary to a kind of good floor spring speed governing valve be designed, to overcome the above problem.
[summary of the invention]
For background technique problem encountered, spiral shape is opened up using spool the purpose of the present invention is to provide a kind of
Slot, so that the stroke that goes rancid is longer, to improve the floor spring speed governing valve that sensitivity reduces noise.
To achieve the above object, the present invention uses following technological means:
A kind of floor spring speed governing valve a comprising earth's crust, through an assembly cavity is equipped with, one end of the earth's crust has a valve
Body offers a cavity in the side of the valve body, which is blind hole, has a bottom, and a spool is assemblied in the cavity,
It is connected to the cavity and the assembly cavity by a through-hole, wherein spool offers an opening close to a tail end of cavity bottom, this is opened
Mouth is spiral slot.
Further, the triangular groove that the section of above-mentioned spiral slot is 60 °.
Further, the depth of above-mentioned spiral slot is along the assembly direction of spool by being gradually reduced again greatly.
Further, above-mentioned spiral slot is along the both ends of the assembly direction of spool, minimum-depth 0.2mm, depth capacity
For 1mm, spiral angle is 180 °, helix length 3.5mm.
Further, the bottom of cavity is more than through-hole along the assembly direction of spool.
Further, the other end of cavity opposing floor portion has an insert port, and the width at insert port is greater than the width of bottom
Degree, spool is equipped with a collar stop and the intracorporal ring-shaped step of chamber is fitted close.
Further, cavity is equipped with an internal screw thread at insert port, and spool is correspondingly provided with one matched with internal screw thread
External screw thread, the internal screw thread close to connection through-hole.
Further, the internal diameter of through-hole is less than the internal diameter of cavity, and the internal diameter of through-hole is greater than the width of spiral slot.
Further, spool has a gap between a tail end of cavity bottom and bottom.
Further, the Head Tops of spool are equipped with a swivelling chute.
Compared with prior art, the invention has the following advantages:
In above-mentioned floor spring speed governing valve, spool offers opening close to the tail end of cavity bottom, which is spiral slot,
Improved valve core structure goes rancid, and stroke is longer, and speed regulation threshold sensitivity improves, such as: temperature locating for floor spring speed governing valve is from 20 °
When being down to -20 °, the conical structure reaction speed in background technique can slow down -50 seconds 40 seconds, improved spiral slot structure
Reaction speed only slows down 15 seconds；Excessively oily breadth on improved spool circumferencial direction is big, has the downward of the case where impurity in oil liquid
Fast stability also improves 3-4 times than former vee gutter structure.Meanwhile above-mentioned floor spring speed governing valve solves oil and is passing through speed governing valve
When, lead to the problem of noise of uttering long and high-pitched sounds, if the structure of speed governing valve is triangular groove, be easy to produce sound, have in oil impurity when
Waiting speed also can be unstable.
[Detailed description of the invention]
Fig. 1 is the schematic diagram of floor spring speed governing valve in the prior art；
Fig. 2 is the partial schematic sectional view of floor spring speed governing valve of the present invention；
Fig. 3 is the partial schematic sectional view at another visual angle of floor spring speed governing valve of the present invention；
Fig. 4 is the schematic diagram of spool in floor spring speed governing valve of the present invention；
Fig. 5 is the schematic diagram at another visual angle of spool in floor spring speed governing valve of the present invention.
The drawing reference numeral of specific embodiment illustrates:
1 assembly cavity of the earth's crust, 11 valve body 2
21 bottom of cavity, 22 insert port 23
24 internal screw thread of ring-shaped step, 25 spool 3
31 collar stop of tail end, 32 spiral slot 33
34 head end of external screw thread, 35 swivelling chute 36
Through-hole 4
[specific embodiment]
Purpose, structure, feature and effect to facilitate the understanding of the present invention etc., now in conjunction with attached drawing and specific implementation
The invention will be further described for mode.
Refer to Fig. 2 to Fig. 4, a kind of floor spring speed governing valve comprising an earth's crust 1, through equipped with an assembly cavity 11, ground
One end of shell 1 has a valve body 2, offers a cavity 21 in the side of the valve body 2, which is blind hole, has a bottom
Portion 22, a spool 3 are assemblied in the cavity 21, are connected to the cavity 21 and the assembly cavity 11 by a through-hole 4, wherein spool 3 leans on
One tail end 31 of nearly 21 bottom 22 of cavity offers an opening, which is spiral slot 33.Refer to Fig. 5, above-mentioned spiral shape
The section of slot 33 is 60 ° of triangular groove, depth along spool 3 assembly direction by being gradually reduced again greatly, and above-mentioned spiral slot
33 along the both ends of the assembly direction of spool 3, minimum-depth 0.2mm, depth capacity 1mm, and spiral angle is 180 °, and spiral is long
Degree is 3.5mm.
Fig. 2 to Fig. 4 is referred to, in addition, the bottom 22 of cavity 21 is more than through-hole 4 along the assembly direction of spool 3, facilitates to be formed
Circuit.The other end of 21 opposing floor portion 22 of cavity has an insert port 23, and the width at insert port 23 is greater than the width of bottom 22,
Spool 3 is facilitated to be packed into cavity 21, spool 3 is equipped with a collar stop 32 and is fitted close with the ring-shaped step 24 in cavity 21, can
To form sealing effect, leakage phenomenon is avoided.Cavity 21 is equipped with an internal screw thread 25 at insert port 23, and spool 3 is correspondingly provided with
The external screw thread 34 matched with internal screw thread 25 can not only be fixedly arranged on spool 3 is stable in cavity 21, and further protect
Sealing effect is demonstrate,proved, leakage phenomenon is avoided, which cooperates good, lower noise close to connection through-hole 4.The internal diameter of through-hole 4 is small
In the internal diameter of cavity 21, and the internal diameter of through-hole 4 is greater than the width of spiral slot 33, can make way for the gentle mistake of oil in cavity 21
It crosses, reduces noise, increase service life.Spool 3 has between one between a tail end 31 and bottom 22 for 21 bottom 22 of cavity
Gap avoids wearing, and plays moist effect.35 top surface of head end of spool 3 is equipped with a swivelling chute 36, facilitates setter smoothly by valve
Core 3 is fixedly arranged in cavity 21.
Refer to Fig. 2 to Fig. 4, in above-mentioned floor spring speed governing valve, tail end 31 of the spool 3 close to 21 bottom 22 of cavity is offered
Opening, the opening are spiral slot 33, and the triangular groove that the section of above-mentioned spiral slot 33 is 60 °, depth is along the assembly side of spool 3
Xiang You great is gradually reduced again, and above-mentioned spiral slot 33 is along the both ends of the assembly direction of spool 3, minimum-depth 0.2mm, most
Big depth is 1mm, and spiral angle is 180 °, helix length 3.5mm, and improved 3 structure of the spool stroke that goes rancid is longer, speed regulation
Threshold sensitivity improves, such as: temperature locating for floor spring speed governing valve is from conical structure when being down to -20 ° for 20 °, in background technique
Reaction speed can slow down -50 seconds 40 seconds, and improved 33 structural response speed of spiral slot only slows down 15 seconds；Improved spool
Excessively oily breadth on 3 circumferencial directions is big, adjusts the speed stability in the case where oil liquid has impurity and also mentions than original vee gutter structure
It is 3-4 times high.Meanwhile above-mentioned floor spring speed governing valve solves the problem of that oil generates noise of uttering long and high-pitched sounds when passing through speed governing valve, if speed regulation
The structure of valve is triangular groove, then is easy to produce sound, speed also can be unstable when having impurity in oil.
Be described in detail above be only the preferred embodiments of the invention explanation, non-therefore limitation the scope of the patents of the invention,
So all equivalence techniques with carried out by this creation specification and diagramatic content change, it is both contained in the scope of the patents of the invention
It is interior.
Claims (9)
1. a kind of floor spring speed governing valve characterized by comprising
One earth's crust, through an assembly cavity is equipped with, one end of the earth's crust has a valve body, offers a chamber in the side of the valve body
Body, the cavity are blind hole, have a bottom, and a spool is assemblied in the cavity, is connected to the cavity and the dress by a through-hole
With chamber, wherein spool offers an opening close to a tail end of cavity bottom, which is spiral slot, cavity opposing floor portion
The other end has an insert port, and the width at insert port is greater than the width of bottom, and spool is equipped with a collar stop and chamber is intracorporal
Ring-shaped step is fitted close.
2. floor spring speed governing valve as described in claim 1, it is characterised in that: the triangle that the section of above-mentioned spiral slot is 60 °
Slot.
3. floor spring speed governing valve as described in claim 1, it is characterised in that: assembly of the depth of above-mentioned spiral slot along spool
Direction by being gradually reduced greatly again.
4. floor spring speed governing valve as claimed in claim 3, it is characterised in that: assembly direction of the above-mentioned spiral slot along spool
Both ends, minimum-depth 0.2mm, depth capacity 1mm, spiral angle are 180 °, helix length 3.5mm.
5. floor spring speed governing valve as described in claim 1, it is characterised in that: the bottom of cavity is more than along the assembly direction of spool
Through-hole.
6. floor spring speed governing valve as described in claim 1, it is characterised in that: cavity is equipped with an internal screw thread at insert port,
Spool is correspondingly provided with the external screw thread matched with internal screw thread, and the internal screw thread is close to connection through-hole.
7. floor spring speed governing valve as described in claim 1, it is characterised in that: the internal diameter of through-hole is less than the internal diameter of cavity, and logical
The internal diameter in hole is greater than the width of spiral slot.
8. floor spring speed governing valve as described in claim 1, it is characterised in that: spool is close to a tail end of cavity bottom and bottom
Between have a gap.
9. floor spring speed governing valve as described in claim 1, it is characterised in that: the Head Tops of spool are equipped with a swivelling chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611034696.5A CN106481608B (en) | 2016-11-22 | 2016-11-22 | Floor spring speed governing valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611034696.5A CN106481608B (en) | 2016-11-22 | 2016-11-22 | Floor spring speed governing valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106481608A CN106481608A (en) | 2017-03-08 |
| CN106481608B true CN106481608B (en) | 2019-03-26 |
Family
ID=58274886
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611034696.5A Active CN106481608B (en) | 2016-11-22 | 2016-11-22 | Floor spring speed governing valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106481608B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111641013A (en) * | 2020-06-12 | 2020-09-08 | 中国电子科技集团公司第二十六研究所 | Spiral high-performance dielectric waveguide filter and communication equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2767599Y (en) * | 2004-11-02 | 2006-03-29 | 朴哲雄 | Floor spring |
| CN101107485A (en) * | 2005-02-28 | 2008-01-16 | 大金工业株式会社 | Expansion valve and refrigeration device |
| CN203640478U (en) * | 2014-01-15 | 2014-06-11 | 瓯宝安防科技股份有限公司 | Electric floor closer |
| CN204627257U (en) * | 2015-02-06 | 2015-09-09 | 刘伟平 | A kind of double-spring type hydraulic floor spring |
| CN206346975U (en) * | 2016-11-22 | 2017-07-21 | 海达门控有限公司 | Floor spring flow speed control valve |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004011293A (en) * | 2002-06-07 | 2004-01-15 | High Worth Co Ltd | Device for separating various types of flooring materials |
| CN103957808B (en) * | 2012-02-22 | 2017-10-27 | 东芝医疗系统株式会社 | X ray CT device |
-
2016
- 2016-11-22 CN CN201611034696.5A patent/CN106481608B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2767599Y (en) * | 2004-11-02 | 2006-03-29 | 朴哲雄 | Floor spring |
| CN101107485A (en) * | 2005-02-28 | 2008-01-16 | 大金工业株式会社 | Expansion valve and refrigeration device |
| CN203640478U (en) * | 2014-01-15 | 2014-06-11 | 瓯宝安防科技股份有限公司 | Electric floor closer |
| CN204627257U (en) * | 2015-02-06 | 2015-09-09 | 刘伟平 | A kind of double-spring type hydraulic floor spring |
| CN206346975U (en) * | 2016-11-22 | 2017-07-21 | 海达门控有限公司 | Floor spring flow speed control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106481608A (en) | 2017-03-08 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Floor spring speed control valve Effective date of registration: 20220816 Granted publication date: 20190326 Pledgee: Nanxun Zhejiang rural commercial bank Limited by Share Ltd. Pledgor: HAIDA DOOR CONTROL CO.,LTD. Registration number: Y2022330001778 |