CN108223475A - A kind of compact one way sequence valve - Google Patents
A kind of compact one way sequence valve Download PDFInfo
- Publication number
- CN108223475A CN108223475A CN201810109707.4A CN201810109707A CN108223475A CN 108223475 A CN108223475 A CN 108223475A CN 201810109707 A CN201810109707 A CN 201810109707A CN 108223475 A CN108223475 A CN 108223475A
- Authority
- CN
- China
- Prior art keywords
- valve
- sequence
- swivel nut
- endoporus
- spool
- 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
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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
- F15B13/021—Valves for interconnecting the fluid chambers of an actuator
-
- 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
- F16K13/00—Other constructional types of cut-off apparatus; Arrangements for cutting-off
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Check Valves (AREA)
- Safety Valves (AREA)
Abstract
The invention discloses a kind of compact one way sequence valves, include valve body, and the upper end is equipped with A mouthfuls；Swivel nut is fixedly connected on the lower end of valve body, and the lower part of swivel nut is equipped with B mouthfuls, and the top of swivel nut, which is equipped with, connects its endoporus and the first of B mouthfuls the through-flow slot；Valve seat, is T-type structure, the small diameter portion of valve seat stretch into the endoporus of swivel nut and it is formed have through-flow chamber, the side wall of its underpart small diameter portion is equipped with the second through-flow slot；Nonreturn valve core, slip are located in the endoporus of swivel nut, and upper part is equipped with inner conical surface；Sequence spool, interior to be equipped with the first flow axially penetrated through, lower part passes through the endoporus of valve seat to be matched with the inner conical surface of nonreturn valve core, ring-shaped step is formed between the middle part and lower part of sequence spool；Pressure adjusting part, for the Opening pressure of adjusting sequence spool.It the advantage is that：Integrate check valve and sequence valve, it is rational in infrastructure, compact, it is at low cost.
Description
Technical field
The present invention relates to hydraulic valve manufacturing technology field, a kind of especially compact one way sequence valve.
Background technology
Common one way sequence valve is composed in parallel by check valve and sequence valve in hydraulic drive, check valve therein and suitable
Sequence valve is respectively independent.When fluid forward direction by when, closed check valve, sequence valve work.When fluid back through when, fluid is through list
It is passed freely through to valve, sequence valve does not work.There are following technological deficiencies for existing this compact one way sequence valve：Occupied space
Relatively large, due to the limitation in space, the oil filling capacity of check valve and sequence valve is smaller, it is difficult to meet big oil filling capacity equipment
Demand.
Invention content
The technical problem to be solved by the invention for the present situation of prior art is to provide simple and reasonable for structure, costs
It is low, volume compact, a kind of through-flow big compact one way sequence valve.
Technical solution is used by the present invention solves above-mentioned technical problem：
A kind of compact one way sequence valve, including：
Valve body is internally provided with axially penetrating through hole, and the valve body upper end is equipped with A mouthfuls；
Swivel nut is fixedly connected on the lower end of the valve body, and the lower part of the swivel nut is equipped with B mouthfuls, the top of the swivel nut
Equipped with its endoporus of connection and the first of B mouthfuls the through-flow slot；
Valve seat, fixation are located in the endoporus of the valve body, and the valve seat is T-type structure, the large-diameter portion of the valve seat
Lower end offsets with the swivel nut, and the small diameter portion of the valve seat stretches into the endoporus of swivel nut and formed has through-flow chamber, the valve
The side wall of seat lower part small diameter portion is equipped with the second through-flow slot；
Nonreturn valve core, slip are located in the endoporus of the swivel nut, and the nonreturn valve core top is equipped with inner conical surface；
Sequence spool is slidably arranged in the endoporus of the valve body, and the sequence valve in-core is equipped with the axially penetrated through
One runner, the lower part of the sequence spool passes through the endoporus of the valve seat to be matched with the inner conical surface of the nonreturn valve core, described
Ring-shaped step is formed between the middle part and lower part of sequence spool, when the sequence spool is in lower position, the annular table
Rank offsets with the valve seat upper surface；
Pressure adjusting part, is located at the top of the sequence spool, and the pressure adjusting part is used to adjust sequence valve
The Opening pressure of core.
In one embodiment, the pressure adjusting part includes spring and adjusting rod, the adjusting rod and the valve
Body is threadedly coupled, and connection first flow and A mouthfuls of the first through flow hole are equipped in the adjusting rod, and the spring one end is against described
On adjusting rod, the other end is against on the sequence spool.
In one embodiment, the described first through-flow slot is multiple semicircles along swivel nut top circumference uniform distribution
Slot.
In one embodiment, the described second through-flow slot is multiple U-type grooves, and equal along the circumference of the valve seat small diameter portion
Cloth.
Compared with prior art, the advantage of the invention is that：
The compact one way sequence valve of the present invention, integrates check valve and sequence valve, rational in infrastructure, compact, passes through
Valve seat, swivel nut, nonreturn valve core, sequence spool structure design and arrangement, when A mouthfuls of oil inlets, fluid is made by A mouthfuls through first flow
With on nonreturn valve core, nonreturn valve core is shifted onto at the endoporus step of swivel nut and opens its valve port formed with sequence spool, the
The fluid of one runner flows into B mouthfuls through valve port, the first through-flow slot, realizes the function of check valve, flow resistance is small；When B mouthfuls of oil inlets, if
B mouthfuls of pressure act on the active force that the active force generated on sequence spool ring-shaped step is not enough to overcome pressure adjusting part, then
The inner conical surface of nonreturn valve core and the lower end of sequence spool are mutually closed, B mouthfuls and A mouthfuls of partitions it is obstructed, only B mouthfuls of pressure acts on suitable
When the active force generated on sequence spool ring-shaped step can overcome the active force of pressure adjusting part, sequence spool moves upwards,
Nonreturn valve core upper surface offsets with valve seat upper surface, and the valve port that nonreturn valve core inner conical surface and sequence spool lower end are formed is opened,
Fluid enters A mouthfuls by B mouthfuls through the first through-flow slot, through-flow chamber, the second through-flow slot, first flow, realizes sequence valve function.The present invention
Processing is simple, and part is few, volume compact, can greatly reduce cost.
Description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the structure diagram of valve seat in the present invention；
Fig. 3 is the structure diagram of swivel nut in the present invention.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing embodiment.
Structure diagram for the present invention as shown in Figs. 1-3,
A kind of compact one way sequence valve, includes valve body 2, is internally provided with axially penetrating through hole, 2 upper end of valve body is equipped with A
Mouthful；Swivel nut 1 is fixedly connected on the lower end of valve body 2, and the lower part of swivel nut 1 is equipped with B mouthfuls, and the top of swivel nut 1, which is equipped with, connects its endoporus
With B mouthfuls of the first through-flow slot 1.1；Valve seat 4, fixation be located in the endoporus of valve body 2, valve seat 4 be T-type structure, the major diameter of valve seat 4
The lower end in portion offsets with swivel nut 1, and the small diameter portion of valve seat 4 stretches into the endoporus of swivel nut 1 and formed has through-flow chamber 4a, valve seat 4
The side wall of lower part small diameter portion is equipped with the second through-flow slot 4.1；Nonreturn valve core 3, slip are located in the endoporus of swivel nut 1, check valve
3 top of core is equipped with inner conical surface 3.1；Sequence spool 5 is slidably arranged in the endoporus of valve body 2, is equipped in sequence spool 5 axial
Perforative first flow 5.1, the lower part of sequence spool 5 pass through the endoporus of valve seat 4 to be matched with the inner conical surface 5.1 of nonreturn valve core 3,
Ring-shaped step 5.2 is formed between the middle part and lower part of sequence spool 5, when sequence spool 5 is in lower position, ring-shaped step
5.2 offset with 4 upper surface of valve seat；Pressure adjusting part, is located at the top of sequence spool 5, and pressure adjusting part is used to adjust
The Opening pressure of sequence spool 5.
In one embodiment, pressure adjusting part includes spring 6 and adjusting rod 7, and adjusting rod 7 is threadedly coupled with valve body 2,
Connection first flow 5.1 and A mouthfuls of the first through flow hole 7.1 are equipped in adjusting rod 7,6 one end of spring is against on adjusting rod 7, another
End is against on sequence spool 5.
In one embodiment, as shown in Fig. 2, the first through-flow slot 1.1 is multiple semicircles along 1 top circumference uniform distribution of swivel nut
Shape slot.
In one embodiment, the second through-flow slot 4.1 is multiple U-type grooves, and along the circumference uniform distribution of 4 small diameter portion of valve seat.
The operation principle of the present invention is as follows：
One-way flow state:During A mouthfuls of oil inlets, fluid is acted on unidirectionally by A mouthfuls through the first through flow hole 7.1, first flow 5.1
On spool 3, nonreturn valve core 3 to be shifted onto at the endoporus step of swivel nut 1, the inner conical surface 3.1 and sequence spool 5 of nonreturn valve core 3 are detached from,
The fluid of first flow 5.1 flows into B mouthfuls through valve port, the first through-flow slot 1.1 between nonreturn valve core 3 and sequence spool 5, realizes single
To the function of valve, flow resistance is small.
Sequence blocks state：When B mouthfuls of oil inlets, generated if B mouthfuls of pressure are acted on 5 ring-shaped step 5.2 of sequence spool
Active force be not enough to overcome pressure adjusting part active force, then 3 inner conical surfaces of nonreturn valve core and sequence spool lower end phase
It is closed, B mouthfuls obstructed with A mouthfuls of partitions.
Sequential communication state：When B mouthfuls of pressure act on the active force that is generated on 5 ring-shaped step 5.2 of sequence spool can be with
When overcoming the active force of pressure adjusting part, sequence spool 5 moves upwards, 3 upper surface of nonreturn valve core and 4 upper surface phase of valve seat
It supports, the valve port that 5 ends are formed under the inner conical surface 3.1 of nonreturn valve core 3 and sequence spool is opened, and fluid is by B mouthfuls through the first through-flow slot
1.1st, through-flow chamber 4a, the second through-flow slot 4.1, first flow 5.1 enter A mouthfuls, and fluid flows into A causes for gossip by B mouthfuls and shows sequence valve function.
Highly preferred embodiment of the present invention has illustrated, and the various change or remodeling made by those of ordinary skill in the art are not
It can depart from the scope of the present invention.
Claims (4)
1. a kind of compact one way sequence valve, which is characterized in that including：
Valve body is internally provided with axially penetrating through hole, and the valve body upper end is equipped with A mouthfuls；
Swivel nut is fixedly connected on the lower end of the valve body, and the lower part of the swivel nut is equipped with B mouthfuls, and the top of the swivel nut is equipped with
Connect its endoporus and the first of B mouthfuls the through-flow slot；
Valve seat, fixation be located in the endoporus of the valve body, the valve seat be T-type structure, the lower end of the large-diameter portion of the valve seat
Offset with the swivel nut, the small diameter portion of the valve seat stretch into the endoporus of swivel nut and it is formed have a through-flow chamber, under the valve seat
The side wall of portion's small diameter portion is equipped with the second through-flow slot；
Nonreturn valve core, slip are located in the endoporus of the swivel nut, and the nonreturn valve core top is equipped with inner conical surface；
Sequence spool is slidably arranged in the endoporus of the valve body, and the sequence valve in-core is first-class equipped with axially penetrating through
Road, the lower part of the sequence spool pass through the endoporus of the valve seat to be matched with the inner conical surface of the nonreturn valve core, the sequence
Ring-shaped step is formed between the middle part and lower part of spool, when the sequence spool is in lower position, the ring-shaped step with
The valve seat upper surface offsets；
Pressure adjusting part is located at the top of the sequence spool, and the pressure adjusting part is for adjusting sequence spool
Opening pressure.
2. a kind of compact one way sequence valve according to claim 1, which is characterized in that the pressure adjusting part includes
Spring and adjusting rod, the adjusting rod are connect with the valve body screw thread, and connection first flow and A mouthfuls are equipped in the adjusting rod
First through flow hole, the spring one end are against on the adjusting rod, and the other end is against on the sequence spool.
3. a kind of compact one way sequence valve according to claim 1, which is characterized in that the first through-flow slot is multiple
Along the semi-circular groove of swivel nut top circumference uniform distribution.
4. a kind of compact one way sequence valve according to claim 1, which is characterized in that the second through-flow slot is multiple
U-type groove, and along the circumference uniform distribution of the valve seat small diameter portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810109707.4A CN108223475B (en) | 2018-02-05 | 2018-02-05 | Compact one-way sequence valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810109707.4A CN108223475B (en) | 2018-02-05 | 2018-02-05 | Compact one-way sequence valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108223475A true CN108223475A (en) | 2018-06-29 |
| CN108223475B CN108223475B (en) | 2020-05-08 |
Family
ID=62669469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810109707.4A Active CN108223475B (en) | 2018-02-05 | 2018-02-05 | Compact one-way sequence valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108223475B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758041A (en) * | 2018-08-28 | 2018-11-06 | 东莞海特帕沃液压科技有限公司 | A kind of No leakage one way sequence valve |
| CN109469659A (en) * | 2018-11-24 | 2019-03-15 | 李军 | A kind of one way sequence valve |
| CN114576229A (en) * | 2022-03-01 | 2022-06-03 | 江苏菲尔特液压机械有限公司 | Tubular one-way sequence valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201568065U (en) * | 2009-11-20 | 2010-09-01 | 郑州煤机液压电控有限公司 | Sequence valve for hydraulic support |
| EP2378135B1 (en) * | 2010-04-13 | 2012-12-19 | Walvoil S.p.A. | Differential sequence hydraulic valve |
| CN202768515U (en) * | 2012-08-20 | 2013-03-06 | 宁波市博尔法液压有限公司 | Tube-type sequence valve |
| CN202900825U (en) * | 2012-11-07 | 2013-04-24 | 圣邦集团有限公司 | Serially-assembled high-oil-passing-capability one-way sequence valve |
| CN105952702A (en) * | 2016-06-20 | 2016-09-21 | 宁波市镇海天地液压有限公司 | Balance valve |
-
2018
- 2018-02-05 CN CN201810109707.4A patent/CN108223475B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201568065U (en) * | 2009-11-20 | 2010-09-01 | 郑州煤机液压电控有限公司 | Sequence valve for hydraulic support |
| EP2378135B1 (en) * | 2010-04-13 | 2012-12-19 | Walvoil S.p.A. | Differential sequence hydraulic valve |
| CN202768515U (en) * | 2012-08-20 | 2013-03-06 | 宁波市博尔法液压有限公司 | Tube-type sequence valve |
| CN202900825U (en) * | 2012-11-07 | 2013-04-24 | 圣邦集团有限公司 | Serially-assembled high-oil-passing-capability one-way sequence valve |
| CN105952702A (en) * | 2016-06-20 | 2016-09-21 | 宁波市镇海天地液压有限公司 | Balance valve |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108758041A (en) * | 2018-08-28 | 2018-11-06 | 东莞海特帕沃液压科技有限公司 | A kind of No leakage one way sequence valve |
| CN109469659A (en) * | 2018-11-24 | 2019-03-15 | 李军 | A kind of one way sequence valve |
| CN109469659B (en) * | 2018-11-24 | 2020-05-08 | 玉环鸿创阀门有限公司 | One-way sequence valve |
| CN114576229A (en) * | 2022-03-01 | 2022-06-03 | 江苏菲尔特液压机械有限公司 | Tubular one-way sequence valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108223475B (en) | 2020-05-08 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20200410 Address after: 215000 No. 88 Changwang Road, Dongqiao, Huangdao Town, Xiangcheng District, Suzhou City, Jiangsu Province Applicant after: SUZHOU RUNLUN MACHINERY Co.,Ltd. Address before: Zhenhai District in Zhejiang province 315200 Ningbo Jiaochuan streets Yinfeng Xiaoyue No. 30 building 501 room Applicant before: Chen Yanyan |
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| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221021 Address after: 215000 No. 81, Huyang Road, Hushuguan Town, Suzhou high tech Zone, Suzhou, Jiangsu Patentee after: SUZHOU YIJINRUN MACHINERY Co.,Ltd. Address before: No. 88, Changwang Road, Dongqiao, Huangdai Town, Xiangcheng District, Suzhou City, Jiangsu Province, 215000 Patentee before: SUZHOU RUNLUN MACHINERY Co.,Ltd. |
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| TR01 | Transfer of patent right |