CN107339464A - A kind of automatic reciprocating fluid pressure valve device of compact type - Google Patents
A kind of automatic reciprocating fluid pressure valve device of compact type Download PDFInfo
- Publication number
- CN107339464A CN107339464A CN201710727682.XA CN201710727682A CN107339464A CN 107339464 A CN107339464 A CN 107339464A CN 201710727682 A CN201710727682 A CN 201710727682A CN 107339464 A CN107339464 A CN 107339464A
- Authority
- CN
- China
- Prior art keywords
- valve core
- reversing valve
- valve body
- oil
- piston
- 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
- 239000012530 fluid Substances 0.000 title claims abstract description 10
- 230000001737 promoting effect Effects 0.000 claims abstract description 3
- 238000007789 sealing Methods 0.000 claims description 4
- 239000003921 oil Substances 0.000 description 47
- 239000010720 hydraulic oil Substances 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
- F16K11/0704—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides comprising locking elements
-
- 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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
- F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
- F16K11/0712—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides comprising particular spool-valve sealing means
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1221—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being spring-loaded
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1223—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston one side of the piston being acted upon by the circulating fluid
-
- 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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1225—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston with a plurality of pistons
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
A kind of automatic reciprocating fluid pressure valve device of compact type, is related to a kind of valve.Including valve body, middle part in valve body is provided with spool chamber, slided in spool chamber and be provided with reversing valve core, reversing valve core is provided with two stations in left and right in spool chamber, detent mechanism is additionally provided between reversing valve core and valve body, the detent mechanism is used to, when reversing valve core is in two stations in left and right, reversing valve core is positioned in cylinder body；The both sides of spool chamber are provided with the plunger shaft being arranged symmetrically, the piston rod for promoting reversing valve core or so the piston of Switch of working position and being connected on piston is separately provided in plunger shaft, it is respectively arranged with step on the inside of plunger shaft, back-moving spring is respectively arranged between the piston and step in plunger shaft.The present invention can be automatic to change reversing valve core position according to the situation of the work progress of oneself in the case of no other external commands control, makes reversing valve core automatic reciprocating.
Description
Technical field
The present invention relates to a kind of valve, specially a kind of automatic reciprocating fluid pressure valve device of compact type.
Background technology
Valve is mainly used to be controlled action object in current market, and this control is relatively simple.
The control instruction of valve needs extraneous input, and the mode of control probably has electromagnetism, hydraulic control, manual etc..When involving the need for by liquid
Pressure valve itself is sent in the field of different control instructions, and existing product category is not complete enough, can not meet the needs of market.And
And its internal structure is often excessively complicated, by electronic component, processing cost is too high, and performance is unstable.
The content of the invention
It is an object of the invention to overcome the shortcomings of above-mentioned prior art, there is provided one kind fully relies on Mechanical course, is not required to
Want that electric elements, simple and compact for structure, echo speed are fast, occupy that space is small, service life is long, assembling and structure easy to maintenance
The automatic reciprocating fluid pressure valve device of compact.
Realizing the technical scheme of above-mentioned purpose is：A kind of automatic reciprocating fluid pressure valve device of compact type, it is characterised in that：
Including valve body, the middle part in valve body is provided with spool chamber, is slided in spool chamber and is provided with reversing valve core, reversing valve core is in spool chamber
Two stations in left and right are inside provided with, detent mechanism is additionally provided between reversing valve core and valve body, the detent mechanism is used to change
When being in two stations in left and right to valve element, reversing valve core is positioned in cylinder body；
The both sides of spool chamber are provided with the plunger shaft being arranged symmetrically, and are separately provided for promoting reversing valve core or so in plunger shaft
The piston of Switch of working position and the piston rod being connected on piston, are respectively arranged with step on the inside of plunger shaft, in plunger shaft
Back-moving spring is respectively arranged between piston and step；
The first annular groove and the second annular groove in left and right arrangement are provided with the reversing valve core, pressure oil is provided with valve body
Mouth, oil return opening, the first actuator port, the second actuator port, be provided with valve body connected with pressure oil port pressure oil inlet passage,
The first drainback passage and the second drainback passage that are connected respectively with oil return opening, the first working oil connected with the first actuator port
Road, the second work oil ducts connected with the second actuator port, connect with the rodless cavity of the first work oil ducts and right hand piston chamber
First oil transportation channel, the second oil transportation channel connected with the rodless cavity of the second work oil ducts and left hand piston chamber；
When reversing valve core is in left position, pressure oil inlet passage by the second annular groove respectively with the second work oil ducts, second defeated
Oily passage connection, the first work oil ducts are connected by first annular groove with the first drainback passage；When reversing valve core is in right position,
Pressure oil inlet passage is connected with the first work oil ducts, the first oil transportation channel respectively by first annular groove, and the second work oil ducts are led to
The second annular groove is crossed to connect with the second drainback passage.
Further, the plunger shaft of the valve body both sides is opening, and the both ends of valve body are connected by bolt seal respectively
There is bonnet.
Further, it is respectively arranged with sealing ring between the plunger shaft of the valve body both sides and respective side bonnet.
Further, the detent mechanism, the detent mechanism are respectively arranged between the both sides of reversing valve core and valve body
Positioning hole including being arranged on reversing valve core upper surface, the section of positioning hole are in hold upward isosceles trapezoid, the inwall of valve body greatly
On be provided with mounting groove, be provided with mounting groove with positioning hole coordinate locating piece, spring is provided between locating piece and bottom land；
When reversing valve core is in left position, the locating piece positioned at the detent mechanism in left side coordinates in corresponding positioning hole；When changing
When being in right position to valve element, the locating piece positioned at the detent mechanism on right side coordinates in corresponding positioning hole.
The beneficial effects of the invention are as follows：The present invention can be in the case of no other external commands control, according to oneself
Work situation about carrying out, it is automatic to change reversing valve core position, make reversing valve core automatic reciprocating.And commutation ability is stable, knot
Structure simple and compact, echo speed are fast, occupy space is small, service life is long, good sealing effect, assembling and easy to maintenance.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the partial enlarged drawing of detent mechanism；
Fig. 3 is that the reversing valve core of the present invention is in the structural representation of right position；
Fig. 4 is that the reversing valve core of the present invention is in the structural representation of left position.
Embodiment
As shown in figure 1, the present invention includes valve body 1, the middle part in valve body 1 is provided with spool chamber 2, and setting is slided in spool chamber
There is reversing valve core 3, the plunger shaft 5 penetrated with reversing valve core 3 being arranged symmetrically, piston are provided with the valve body 1 of the both sides of spool chamber 3
The outer end of chamber 5 is opening, and the both ends of valve body 1 are sealedly connected with bonnet 7, the plunger shaft 5 of the both sides of valve body 1 by bolt 6 respectively
Sealing ring 30 is respectively arranged between respective side bonnet 7.
Reversing valve core 3 is provided with two stations in left and right in spool chamber 2, and being separately provided for promotion in plunger shaft 5 changes
Piston 8 to the Switch of working position of valve element 3 or so and the piston rod 9 being connected on piston 8, the inner side of plunger shaft 5 is respectively arranged with
Step 10, back-moving spring 20 is respectively arranged between the piston 8 and step 10 in plunger shaft 5.
Detent mechanism 4 is respectively arranged between the both sides of reversing valve core 3 and valve body 1, detent mechanism 1 includes being arranged on commutation
The positioning hole 41 of the upper surface of valve element 3, the section of positioning hole 41 are provided with upward isosceles trapezoid is held greatly on the inwall of valve body 1
Mounting groove 42, the locating piece 43 coordinated with positioning hole 41 is provided with mounting groove 42, is provided between locating piece 43 and bottom land 43
Spring 44.
When reversing valve core 3 is in left position, the locating piece 43 positioned at the detent mechanism 4 in left side coordinates in corresponding positioning hole
In 41；When reversing valve core 3 is in right position, coordinate positioned at the locating piece 43 of the detent mechanism 4 on right side in corresponding positioning hole 41
It is interior.
The annular groove 32 of first annular groove 31 and second in left and right arrangement is provided with reversing valve core 3, is provided with valve body 1
Pressure oil port 11, oil return opening 12, the first actuator port 13, the second actuator port 14, it is provided with valve body 1 and connects with pressure oil port 11
Logical pressure oil inlet passage 15, the first drainback passage 16 connected respectively with oil return opening 12 and the second drainback passage 17, with first
First work oil ducts 18 of the connection of actuator port 13, the second work oil ducts 19 connected with the second actuator port 14 and the first work
Make the first oil transportation channel 110 and the second work oil ducts 19 and left hand piston of the rodless cavity connection of oil duct 18 and right hand piston chamber 5
Second oil transportation channel 111 of the rodless cavity connection of chamber 5；
When reversing valve core 3 is in left position, pressure oil inlet passage 15 by the second annular groove 32 respectively with the second work oil ducts 19,
Second oil transportation channel 111 is connected, and the first work oil ducts 18 are connected by first annular groove 31 with the first drainback passage 16；Work as commutation
When valve element 3 is in right position, pressure oil inlet passage 15 is led to the first work oil ducts 18, the first oil transportation respectively by first annular groove 31
Road 110 is connected, and the second work oil ducts 19 are connected by the second annular groove 32 with the second drainback passage 16.
The course of work of the present invention：
When reversing valve core 3 is in the left side station shown in Fig. 4, hydraulic oil is from pressure oil port 11 successively through excess pressure oil inlet passage
15th, the second annular groove 32 enters the second work oil ducts 19, now hydraulic pressure oil two parts, most of to be flowed from the second actuator port 14
Go out, to action object output pressure or flow, and the sub-fraction of hydraulic oil flows into left hand piston by the second oil transportation channel 111
In the rodless cavity of chamber 5, piston 8 in left hand piston chamber 5 and the displacement to the right of piston rod 9 being connected on piston 8, and band is moved
Moved to right to valve element 3, until the locating piece 43 of the detent mechanism 4 on right side coordinates in corresponding positioning hole 41, while make left side fixed
Position mechanism 4 locating piece 43 overcome the pressure of spring 44 to bounce back in positioning hole 41, now the piston 8 in left hand piston chamber 5 with
And piston rod 9 just moves to its extreme right position and do not continue to move right, now the position of valve element 33 is switched to shown in Fig. 3
Right side station.
The right side station of reversing valve core 3 as shown in Figure 3 is to the left side Switch of working position shown in Fig. 4：Hydraulic oil is from pressure oil port
11 successively through excess pressure oil inlet passage 15, first annular groove 31 enter the first work oil ducts 18, now hydraulic pressure oil two parts,
Most of to be flowed out from the first actuator port 13, to action object output pressure or flow, and the sub-fraction of hydraulic oil passes through the
One oil transportation channel 110 is flowed into the rodless cavity of right hand piston chamber 5, piston 8 in right hand piston chamber 5 and is connected on piston 8
Piston rod 9 to left dislocation, and drive reversing valve core 3 to move to left, until the locating piece 43 of left positioner mechanism 4 coordinates corresponding
In positioning hole 41, while the locating piece 43 of right positioner mechanism 4 is set to overcome the pressure of spring 44 to bounce back in positioning hole 41, now
Piston 8 and piston rod 9 in right hand piston chamber 5 just move to its extreme right position and not continued to left movement, now
The position of valve element 33 switches to the right side station shown in Fig. 4.
So the present invention changes its position of reversing valve core 3 automatically in the presence of itself, makes reversing valve core 3 automatic reciprocating,
And then the output order of valve is set to send change automatically without manual operation.
Claims (4)
- A kind of 1. automatic reciprocating fluid pressure valve device of compact type, it is characterised in that：Including valve body, the middle part in valve body is provided with Spool chamber, interior slide of spool chamber are provided with reversing valve core, and reversing valve core is provided with two stations in left and right, reversal valve in spool chamber Detent mechanism is additionally provided between core and valve body, the detent mechanism is used for when reversing valve core is in two stations in left and right, will Reversing valve core is positioned in cylinder body；The both sides of spool chamber are provided with the plunger shaft being arranged symmetrically, and are separately provided for promoting reversing valve core or so in plunger shaft The piston of Switch of working position and the piston rod being connected on piston, are respectively arranged with step on the inside of plunger shaft, in plunger shaft Back-moving spring is respectively arranged between piston and step；The first annular groove and the second annular groove in left and right arrangement are provided with the reversing valve core, pressure oil is provided with valve body Mouth, oil return opening, the first actuator port, the second actuator port, be provided with valve body connected with pressure oil port pressure oil inlet passage, The first drainback passage and the second drainback passage that are connected respectively with oil return opening, the first working oil connected with the first actuator port Road, the second work oil ducts connected with the second actuator port, connect with the rodless cavity of the first work oil ducts and right hand piston chamber First oil transportation channel, the second oil transportation channel connected with the rodless cavity of the second work oil ducts and left hand piston chamber；When reversing valve core is in left position, pressure oil inlet passage by the second annular groove respectively with the second work oil ducts, second defeated Oily passage connection, the first work oil ducts are connected by first annular groove with the first drainback passage；When reversing valve core is in right position, Pressure oil inlet passage is connected with the first work oil ducts, the first oil transportation channel respectively by first annular groove, and the second work oil ducts are led to The second annular groove is crossed to connect with the second drainback passage.
- A kind of 2. automatic reciprocating fluid pressure valve device of compact type according to claim 1, it is characterised in that：The valve body The plunger shaft of both sides is opening, and the both ends of valve body are connected with bonnet by bolt seal respectively.
- A kind of 3. automatic reciprocating fluid pressure valve device of compact type according to claim 2, it is characterised in that：The valve body Sealing ring is respectively arranged between the plunger shaft and respective side bonnet of both sides.
- A kind of 4. automatic reciprocating fluid pressure valve device of compact type according to claim 1, it is characterised in that：Reversing valve core Both sides and valve body between be respectively arranged with the detent mechanism, the detent mechanism includes being arranged on reversing valve core upper surface Positioning hole, the section of positioning hole are provided with mounting groove, set in mounting groove in upward isosceles trapezoid is held greatly on the inwall of valve body There is the locating piece coordinated with positioning hole, spring is provided between locating piece and bottom land；When reversing valve core is in left position, the locating piece positioned at the detent mechanism in left side coordinates in corresponding positioning hole；When changing When being in right position to valve element, the locating piece positioned at the detent mechanism on right side coordinates in corresponding positioning hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710727682.XA CN107339464A (en) | 2017-08-23 | 2017-08-23 | A kind of automatic reciprocating fluid pressure valve device of compact type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710727682.XA CN107339464A (en) | 2017-08-23 | 2017-08-23 | A kind of automatic reciprocating fluid pressure valve device of compact type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107339464A true CN107339464A (en) | 2017-11-10 |
Family
ID=60214735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710727682.XA Pending CN107339464A (en) | 2017-08-23 | 2017-08-23 | A kind of automatic reciprocating fluid pressure valve device of compact type |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107339464A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087584A (en) * | 2018-02-02 | 2018-05-29 | 重庆世中星机电设备有限公司 | A kind of fluid reversing structure and gas-liquid impactor mechanism |
| CN109681484A (en) * | 2019-01-08 | 2019-04-26 | 江苏大学 | A kind of automatic reciprocating valve gear of mechanical adjustable hydraulic |
| CN110513511A (en) * | 2019-08-28 | 2019-11-29 | 奥瑞拓能源科技股份有限公司 | A kind of air distributing device |
| CN111730316A (en) * | 2020-08-17 | 2020-10-02 | 山东天瑞重工有限公司 | Hydraulic rock drill's dismouting axle sleeve frock |
| CN113819106A (en) * | 2021-10-15 | 2021-12-21 | 张辉 | Mechanical automatic reversing valve and using method thereof |
| CN114173897A (en) * | 2020-06-19 | 2022-03-11 | 维泰克株式会社 | Air valve unit for vacuum system |
| EP3992450A1 (en) | 2020-10-27 | 2022-05-04 | Riccio, Anniello | Bistable actuator |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201057181Y (en) * | 2007-10-27 | 2008-05-07 | 常德信诚液压有限公司 | Balancing brake valve |
| CN101560998A (en) * | 2009-05-07 | 2009-10-21 | 刘常芝 | Self-control positioning bidirectional hydraulic change-over valve |
| CN202118026U (en) * | 2011-03-23 | 2012-01-18 | 宝山钢铁股份有限公司 | Hydraulic cylinder capable of realizing self-reversing and continuous reciprocating movement |
| CN102444748A (en) * | 2010-09-30 | 2012-05-09 | 富泰华工业（深圳）有限公司 | Control valve |
| CN202790674U (en) * | 2012-07-19 | 2013-03-13 | 宝山钢铁股份有限公司 | Pneumatic reversing valve |
| CN203114778U (en) * | 2013-03-14 | 2013-08-07 | 宜昌市永庆机械有限责任公司 | Built-in type automatic reversing oil cylinder |
| CN203685737U (en) * | 2014-01-08 | 2014-07-02 | 浙江大学 | Automatic reversing slide valve |
| CN105757030A (en) * | 2016-05-05 | 2016-07-13 | 哈尔滨工程大学 | Autocontrol pneumatic reversing valve |
| CN207111991U (en) * | 2017-08-23 | 2018-03-16 | 南通理工智能制造技术有限公司 | A kind of automatic reciprocating fluid pressure valve device of compact type |
-
2017
- 2017-08-23 CN CN201710727682.XA patent/CN107339464A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201057181Y (en) * | 2007-10-27 | 2008-05-07 | 常德信诚液压有限公司 | Balancing brake valve |
| CN101560998A (en) * | 2009-05-07 | 2009-10-21 | 刘常芝 | Self-control positioning bidirectional hydraulic change-over valve |
| CN102444748A (en) * | 2010-09-30 | 2012-05-09 | 富泰华工业（深圳）有限公司 | Control valve |
| CN202118026U (en) * | 2011-03-23 | 2012-01-18 | 宝山钢铁股份有限公司 | Hydraulic cylinder capable of realizing self-reversing and continuous reciprocating movement |
| CN202790674U (en) * | 2012-07-19 | 2013-03-13 | 宝山钢铁股份有限公司 | Pneumatic reversing valve |
| CN203114778U (en) * | 2013-03-14 | 2013-08-07 | 宜昌市永庆机械有限责任公司 | Built-in type automatic reversing oil cylinder |
| CN203685737U (en) * | 2014-01-08 | 2014-07-02 | 浙江大学 | Automatic reversing slide valve |
| CN105757030A (en) * | 2016-05-05 | 2016-07-13 | 哈尔滨工程大学 | Autocontrol pneumatic reversing valve |
| CN207111991U (en) * | 2017-08-23 | 2018-03-16 | 南通理工智能制造技术有限公司 | A kind of automatic reciprocating fluid pressure valve device of compact type |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108087584A (en) * | 2018-02-02 | 2018-05-29 | 重庆世中星机电设备有限公司 | A kind of fluid reversing structure and gas-liquid impactor mechanism |
| CN108087584B (en) * | 2018-02-02 | 2024-01-23 | 湖南沃飞科技有限公司 | Fluid reversing structure and gas-liquid impact mechanism |
| CN109681484A (en) * | 2019-01-08 | 2019-04-26 | 江苏大学 | A kind of automatic reciprocating valve gear of mechanical adjustable hydraulic |
| CN110513511A (en) * | 2019-08-28 | 2019-11-29 | 奥瑞拓能源科技股份有限公司 | A kind of air distributing device |
| CN110513511B (en) * | 2019-08-28 | 2024-04-30 | 奥瑞拓能源科技股份有限公司 | Air distribution device |
| CN114173897A (en) * | 2020-06-19 | 2022-03-11 | 维泰克株式会社 | Air valve unit for vacuum system |
| EP3957890A4 (en) * | 2020-06-19 | 2022-11-02 | VTEC Co., Ltd. | Air-valve unit for vacuum system |
| CN111730316A (en) * | 2020-08-17 | 2020-10-02 | 山东天瑞重工有限公司 | Hydraulic rock drill's dismouting axle sleeve frock |
| EP3992450A1 (en) | 2020-10-27 | 2022-05-04 | Riccio, Anniello | Bistable actuator |
| CN113819106A (en) * | 2021-10-15 | 2021-12-21 | 张辉 | Mechanical automatic reversing valve and using method thereof |
| CN113819106B (en) * | 2021-10-15 | 2024-04-19 | 洛阳普斯特智能机器人有限公司 | Mechanical automatic reversing valve and use method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107339464A (en) | A kind of automatic reciprocating fluid pressure valve device of compact type | |
| CN203948264U (en) | A kind of membrane pump with pneumatic drive | |
| CN207111991U (en) | A kind of automatic reciprocating fluid pressure valve device of compact type | |
| CN206943121U (en) | A kind of integral type automatic reciprocating air cylinder device | |
| CN107339278A (en) | A kind of automatic reciprocating hydraulic cylinder of stroke controllable type | |
| CN107178536A (en) | A kind of integral type automatic reciprocating air cylinder device | |
| CN207111584U (en) | A kind of automatic reciprocating hydraulic cylinder of stroke controllable type | |
| CN105090559B (en) | Cut-off type two-position-five-way solenoid valve | |
| CN203322374U (en) | Structure of lever type switching valve | |
| CN203627910U (en) | Lever-type switch changeover valve | |
| CN104180019B (en) | Lever switching valve | |
| CN103867747B (en) | A kind of two-way proportional cartridge valve of multilevel flow flow gain | |
| CN105114660A (en) | Conversion valve fast switching power direction and conversion method of conversion valve | |
| CN206112222U (en) | Two tee bend electromagnetism switching -over zero leakage valves | |
| CN204387006U (en) | A kind of electric hydraulic oil cylinder | |
| CN107719772A (en) | A kind of air draught converter switch on bag-opening machine | |
| CN104454725B (en) | A kind of reversing valve core | |
| CN204372295U (en) | The hydraulic type hand pneumatic operating mechanism of modulating valve | |
| CN105782160A (en) | Single-rod inlet and outlet bi-direction equal-load hydraulic cylinder | |
| CN208535540U (en) | Reciprocating air cylinder and the grease pump for using the reciprocating air cylinder | |
| CN205678226U (en) | A kind of diaphragm being applied to magnetic valve and magnetic valve | |
| CN104791594A (en) | Automobile hub bearing automatic grease injection machine | |
| CN201255153Y (en) | Differential pressure type internal inverting automatic cycle oil cylinder | |
| CN107387817B (en) | A kind of hydraulic three-way valve | |
| CN218151283U (en) | Pneumatic electro-hydraulic pump |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171110 |