CN108119661A - Fluid switching valve and radiator and vehicle - Google Patents
Fluid switching valve and radiator and vehicle Download PDFInfo
- Publication number
- CN108119661A CN108119661A CN201611077967.5A CN201611077967A CN108119661A CN 108119661 A CN108119661 A CN 108119661A CN 201611077967 A CN201611077967 A CN 201611077967A CN 108119661 A CN108119661 A CN 108119661A
- Authority
- CN
- China
- Prior art keywords
- spool
- liquid outlet
- actuator
- mounting hole
- switching valve
- 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.)
- Withdrawn
Links
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
- F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
- F16K3/22—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution
- F16K3/24—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with sealing faces shaped as surfaces of solids of revolution with cylindrical valve members
-
- 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
- F16K31/44—Mechanical actuating means
Abstract
The present invention relates to switch valve technical fields, provide a kind of fluid switching valve and radiator and vehicle.Fluid switching valve includes valve body, spool and actuator, valve body is formed with the liquid outlet channel including inlet and liquid outlet, spool is arranged in valve body, actuator is assemblied on the mounting hole of valve body and can act so that spool acts to close or connect liquid outlet, and spool seals off liquid outlet channel and mounting hole.So, since actuator is assemblied in mounting hole, and spool seals off liquid outlet channel and mounting hole, namely, during actuator band movable valve plug is closed or connects liquid outlet, spool always seals off liquid outlet channel and mounting hole, and the liquid in liquid outlet channel is avoided to be leaked out after entering mounting hole from mounting hole, operating personnel are scalded during so as to avoid operation fluid switching valve with exhaust fluid, this considerably enhances safety and reliability.
Description
Technical field
The present invention relates to switch valve technical field, more particularly to a kind of fluid switching valve, one kind are provided with this fluid and open
Close the radiator of valve and a kind of vehicle for being provided with this radiator.
Background technology
With the promotion of living standard, vehicle is increasingly entering in daily life.At the same time, consume
Requirement of the person to the security of vehicle is continuously improved.For example, cooling system is the relevant important component of engine of vehicle,
It is that engine is carried out appropriate cooling that it, which is acted on, and heated part is transferred out to the heat come and is scattered away in time, makes engine suitable
Warm status under it is reliable and effectively work, and radiator is parts mostly important in cooling system as heat exchanger.
In order to ensure cooling system is reliablely and stablely run, it is necessary to carry out maintenance to radiator, this just needs to dissipate
Coolant in hot systems is bled off, and radiator is usually equipped with dewatering outlet in its lowest point, is opened when needing tapping and is discharged water
Mouth is required with meeting maintenance and maintenance.
In the prior art, automobile radiators cock of water drain valve is generally using the stud plug in radiator drain
Sealing structure, it is, dewatering outlet is blocked and opened by a stud plug.It is equipped with the heat dissipation of such cock of water drain valve
Device is in repair or replacement, it is necessary to the manual turn stud plug of personnel.But this is there are certain deficiency, for example, due in spiral shell
Column plug needs larger operation by human hand space during screwing out, therefore, this not only adds the difficulty of radiator drainage operation,
Also there is the security risk that coolant splashing scald or periphery member during because of tapping scratch operating personnel simultaneously.
The content of the invention
In view of this, the present invention is directed to propose a kind of fluid switching valve, to avoid operation fluid switching valve with exhaust fluid
During scald operating personnel.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of fluid switching valve, the fluid switching valve include valve body, spool and actuator, the valve body be formed with including into
The liquid outlet channel of liquid mouth and liquid outlet, the spool are arranged in the valve body, and the actuator is assemblied in the peace of the valve body
On dress hole and it can act so that the liquid outlet is closed or connected in spool action, wherein, described in the spool general
Liquid outlet channel and mounting hole seal isolation.
Compared with the prior art, in fluid switching valve of the present invention, since actuator is assemblied in mounting hole, and valve
Core seals off liquid outlet channel and mounting hole, it is, during actuator band movable valve plug is closed or connects liquid outlet,
Spool always seals off liquid outlet channel and mounting hole, and the liquid in liquid outlet channel is avoided to be leaked after entering mounting hole from mounting hole
Go out, so as to avoid operation fluid switching valve with exhaust fluid during scald operating personnel, this considerably enhances security
And reliability.
Further, the valve body includes axial passage, and the spool is slidably disposed in the axial passage, makes
The part for obtaining the axial passage forms the liquid outlet channel；The mounting hole and the liquid outlet are axially spaced to be formed in
On the axial passage.
Further, it is provided with elastic component between the other end of the spool and the axial passage.
In addition, the mounting hole is the radial hole being formed on the wall of the axial passage.
Further, the spool is longitudinal bodies, and one end of longitudinal bodies is formed as seal section, and the seal section is by institute
State liquid outlet channel and mounting hole seal isolation；The actuator can drive the spool in addition to the seal section
Other parts.
Further, it is formed on the part between the seal section and the spool other end of the spool radially
The radial slot being inwardly tapered, an end surfaces of the radial slot are formed as the first inclined surface；The actuator is formed with
Second inclined surface, the actuator can adjust position, and second inclined surface and described first along the radial hole
Inclined surface coordinates.
Further, first inclined surface is the radial slot close to the surface of the spool other end.
In addition, the valve body is formed with mounting base, the mounting base is formed with the peace with central axis with the radial hole
Passage is filled, the actuator includes plunger and traveller, wherein, second inclined surface is formed on the traveller；The installation
The externally ported place of passage is radially-inwardly extended with blocking portion, and is formed with the guiding opposite and axially extending with the blocking portion
Groove is axially spaced what is be formed with locating flange and can be slidably matched with the guide recess on the outer circumferential surface of the plunger
Block；The axial projection with guide recess cooperation is formed on the traveller.
In addition, the present invention provides a kind of radiator, the water outlet of the radiator is provided with the stream described in any of the above
Body switch valve.
In this way, as described above, during closing in actuator band movable valve plug or connecting liquid outlet, spool is always
Liquid outlet channel and mounting hole are sealed off, the liquid in liquid outlet channel is avoided to be leaked out after entering mounting hole from mounting hole, so as to
Operating personnel are scalded during operation fluid switching valve is avoided with exhaust fluid, this considerably enhances security and reliable
Property.
In addition, the present invention provides a kind of vehicle, the cooling system of the vehicle is provided with above-mentioned radiator.As described above
, the security and overall quality of the vehicle are significantly improved.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Description of the drawings
The attached drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Mode and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is that the fluid switching valve described in embodiment of the present invention is in the schematic diagram for closing liquid outlet state；
Fig. 2 is that the fluid switching valve of Fig. 1 is in the schematic diagram for connecting liquid outlet state；
Fig. 3 is the structure diagram of the valve body of the fluid switching valve in Fig. 1；
Fig. 4 is the structure diagram of the spool of the fluid switching valve in Fig. 1；
Fig. 5 is the structure diagram of the plunger of fluid switching valve in Fig. 1；
Fig. 6 is the structure diagram of the traveller of fluid switching valve in Fig. 1.
Reference sign：
1- valve bodies, 2- spools, 3- actuators, 4- inlets, 5- liquid outlets, 6- liquid outlet channels, 7- mounting holes, 8- are axially logical
Road, 9- elastic components, 10- radial holes, 11- seal sections, 12- radial slots, the first inclined surface of 13-, the second inclined surface of 14-, 15- peaces
Dress seat, 16- installation passages, 17- plungers, 18- travellers, 19- blocking portions, 20- guide recess, 21- locating flanges, 22- blocks,
23- axial projections, 24- sealing rings.
Specific embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the present invention can
To be mutually combined.
The present invention will be described in detail below with reference to the accompanying drawings and with reference to embodiment.
With reference to a kind of structure of figure 1 and fluid switching valve shown in Fig. 2, fluid switching valve of the invention includes valve body 1, valve
Core 2 and actuator 3, wherein, valve body 1 is formed with the liquid outlet channel 6 including inlet 4 and liquid outlet 5, and spool 2 is arranged on valve body 1
Interior, actuator 3 is assemblied on the mounting hole 7 of valve body 1 and can act so that liquid outlet 5 is closed or connected in the action of spool 2,
Wherein, spool 2 seals off liquid outlet channel 6 and mounting hole 7.
In the fluid switching valve of the technical solution, since actuator 3 is assemblied in mounting hole 7, and spool 2 will go out liquid and lead to
Road 6 and mounting hole 7 seal off, it is, during liquid outlet 5 is closed or connected to actuator 3 with movable valve plug 2, such as
Closed state shown in FIG. 1 and on-state shown in Fig. 2, spool 2 is always by liquid outlet channel 6 (such as liquid outlet 5) and installation
Hole 7 seals off, this way it is possible to avoid the liquid in liquid outlet channel 6 leaks out after entering mounting hole 7 from mounting hole 7, so as to avoid
Operating personnel are scalded during fluid switching valve is operated with exhaust fluid, this considerably enhances safety and reliability.
Certainly, fluid switching valve of the invention can have multiple structural forms, as long as can be ensured that spool 2 is closed or connect
Liquid outlet channel 6 and mounting hole 7 are sealed off always during logical liquid outlet 5.
For example, in a kind of structure type, spool 2 can rotationally be set in valve body 1, meanwhile, form spool on spool 2
Passage, spool 2 can rotate under the drive of actuator 3, so as to which liquid outlet 5 can be connected or cut with inlet 4 by valve core channel
Disconnected, in the rotation process of spool 2, liquid outlet channel 6 and mounting hole 7 are closed isolation by spool 2 always.
Alternatively, in another structure type, with reference to structure shown in FIG. 1, valve body 1 includes axial passage 8, for example, valve
Body 1 can be a cylindrical tube, and the inner passage of pipe can form axial passage 8, in this way, spool 2 is slidably disposed on axis
Into passage 8 so that a part for axial passage 8 forms liquid outlet channel 6, for example, the one end open of cylindrical tube forms feed liquor
Mouth 4, meanwhile, liquid outlet 5 is formed on tube wall, at this point, mounting hole 7 and liquid outlet 5 are axially spaced to be formed in axial passage 8
On.In this way, since spool 2 can extend 8 axially adjustable position of axial passage, at this point, spool 2 can be formed with axial passage 8
Longer seal section on axial direction, the seal section can further promote the closing isolation effect of liquid outlet channel 6 and mounting hole 7
Fruit.
Certainly, another end opening of cylindrical tube can form mounting hole 7, at this point, actuator 7 can be a stud, and
Another end opening is may be threadably coupled to, while actuator 7 can be connected by ball-joint and spool 2, in this way, rotation driving
Part 7 can be moved axially with movable valve plug 2；
Alternatively, can form radial hole 10 as described below on the tube wall of cylindrical tube, which can be used as peace
Hole 7 is filled, certainly, actuator 3 is how to drive spool 2 by mounting hole 7, and two kinds of forms will be described in detail below.
In addition, in order to further enhance spool 2 adjust position, it is preferable that structure as illustrated in fig. 1 and 2, spool 2 it is another
Elastic component 9 is provided between one end and axial passage 8, for example, in the structure of fig. 1, elastic component 9 is in de-energized state, so as to
So that spool 2 closes liquid outlet 5, and in the structure of Fig. 2, in actuator 3 under the driving effect of spool 2, elastic component 9 is in
Energy storage state, at this point, spool 2 connects liquid outlet 5, to discharge the liquid in container.Certainly, when actuator 3 is cancelled to spool 2
During driving, spool 2 by elastic component 9 release can act under close liquid outlet 5 again.
Certainly, in the case of above-mentioned actuator 7 is a stud, can also be set between spool 2 and valve body 1 flexible
Part 9, such as spring, at this point, spring can be sleeved on stud, so as to 2 return of auxiliary spool.
As described above, in a preferred form, as illustrated in fig. 1 and 2, mounting hole 7 is to be formed on the wall of axial passage 8
Radial hole 10.In this way, the radial space of valve body 1 can be effectively utilized, meanwhile, be formed as screw thread without by mounting hole 7
Hole only need to be formed a through hole, so as to simplify the processing of valve body 1, reduce cost.
Further, as illustrated in fig. 1 and 2, spool 2 is longitudinal bodies, and one end of longitudinal bodies is formed as seal section 11, close
Envelope section 11 seals off liquid outlet channel 6 and mounting hole 7；For example, as shown in figure 4, the (ratio of sealing ring 24 is set on seal section 11
Such as, rubber seal ring can be that one or axially spaced-apart arrange multiple), and actuator 3 can drive spool 2 except close
Seal the other parts outside section 11.At this point, actuator 3 can by multiple structural forms come drive spool 2 except seal section
Other parts outside 11, for example, in a kind of structure type, actuator 3 compared with radial hole 10 rotatably arranged with, at this point,
Gear is provided on the end that actuator 3 is extend into valve body 1, and rack segments are formed in the other parts of longitudinal bodies, in this way,
The engagement of rotating drive part 3, gear and rack segments can just drive longitudinal bodies to move axially, further, in elastic component 9
Under effect, as described above, 2 return of spool of being more convenient for.
Or as shown in Fig. 1,2 and 4, actuator 3 drives spool 2 to move axially by way of pressing, example
Such as, radially-inwardly tapered radial slot 12 is formed on the part between seal section 11 and the spool other end of spool 2,
One end surfaces of radial slot 12 are formed as the first inclined surface 13；And actuator 3 is formed with the second inclined surface 14, actuator 3
Position can be adjusted along radial hole 10, and the second inclined surface 14 and the first inclined surface 13 coordinate.In this way, user is by pressing
Actuator 3 is pressed, it is made radially to adjust position in radial hole 10, you can band movable valve plug 2 adjusts position, in this way, can be significantly
Reduce the space needed for user's operation actuator 3 so that the fluid switching valve can be suitable in more narrow space, together
When can easily operate, reduce task difficulty.
By the cooperation of the first inclined surface 13 and the second inclined surface 14, actuator 3 can be realized at radial direction first position,
Spool 2 can close liquid outlet 5, and when actuator 3 is in the radial direction second position, spool 2 will turn on liquid outlet 5, and certainly, first inclines
The inclined direction on inclined-plane 13 is different, and the first position of actuator 3 is also correspondingly different.
In first inclined surface 13 it is radial slot 12 close to the surface of 2 other end of spool for example, as illustrated in fig. 1 and 2
When, when actuator 3 is in natural extended position, spool 2 closes liquid outlet 5, as shown in Fig. 2, when actuator 3 is in pressing position
When putting, spool 2 connects liquid outlet 5.When the first inclined surface 13 is opposite, actuator 3 will also work on the contrary.
Certainly, during operating personnel press actuator 3, operating personnel can press actuator 3 always, so as to drive
Moving part 3 keeps the state being pressed.
But in order to promote the convenience used, and without operating personnel is caused to press actuator 3 always, therefore, this hair
In bright fluid switching valve, the locking structure to 3 radial direction holding position of actuator is additionally provided with, for example, in a kind of structure type,
As shown in Figure 1,2 and 3, valve body 1 is formed with mounting base 15, and mounting base 15 is formed with leads to radial hole 10 with the installation of central axis
Road 16, and actuator 3 includes plunger 17 and traveller 18, wherein, the second inclined surface 14 is formed on traveller 18；Wherein, such as Fig. 3 institutes
Show, the externally ported place of installation passage 16 is radially-inwardly extended with blocking portion 19, and is formed with opposite and axial with blocking portion 19
The guide recess 20 of extension, meanwhile, as shown in figure 5, being axially spaced to be formed with 21 He of locating flange on the outer circumferential surface of plunger 17
The block 22 that can be slidably matched with guide recess 20；And the axial projection coordinated with guide recess 20 is formed on traveller 18
23。
In this way, in the shown state of Fig. 1, spool 2 under the action of elastic component 9, to second incline by the first inclined surface 13
Inclined-plane 14 applies the thrust of radial direction, at this point, the cooperation of locating flange 21 and blocking portion 19 can prevent the abjection of plunger 17, this
When, spool 2 closes liquid outlet 5.
When needing discharging liquid, simultaneously rotary plunger 17 is radially pressed so that the block 22 on plunger 17 is cooperated to guiding
It slides axially in groove 20 and along guide recess 20, at this point, the second inclined surface 14 will drive the first inclined surface 13 so that spool
2 are axially moved to connect liquid outlet 5, meanwhile, elastic component 9 will be by compression and in energy storage state, and then, rotary plunger 17 makes
Block 22 is abutted on the lower surface of blocking portion 19, at this point, user can release the pressing to plunger 17, so as to by spool
2 are maintained at the position for connecting liquid outlet 5.
In addition, the axial projection 23 (Fig. 6 is shown) on traveller 18 coordinates in axial movement with guide recess 20, with
Traveller 18 is guided, so that the first inclined surface 13 and the second inclined surface 14 form well stable driving cooperation.
In addition, in structure shown in Fig. 2, in a state that spool 2 connects liquid outlet 5, the front end of traveller 18 can be complete
It is complete to coordinate in the bottom of radial slot 12, to promote the stability that traveller 18 and spool 2 coordinate.In addition, radial slot 12 with
The opposite surface in first inclined surface 13 can be formed as the surface being adapted with the outer circumferential surface of traveller 18, for example, traveller 18 is circle
During column, which can be arcwall face, to be lifted in a state that spool 2 connects liquid outlet 5, what traveller 18 and spool 2 coordinated
Stability.
The present invention also provides a kind of radiator, the water outlet of the radiator is provided with any of the above-described fluid switching valve.
Certainly, water outlet is formed at the minimum point of radiator.
In this way, it is as described above, during closing or connecting liquid outlet 5 with movable valve plug 2 in actuator 3, spool 2
Always liquid outlet channel 6 and mounting hole 7 are sealed off, the liquid in liquid outlet channel 6 is avoided to enter after mounting hole 7 from mounting hole 7
Leak out, so as to avoid operation fluid switching valve with exhaust fluid during scald operating personnel, this considerably enhances safety
Property and reliability.
In addition, the present invention provides a kind of vehicle, the cooling system of the vehicle is provided with above-mentioned radiator.As described above
, the security and overall quality of the vehicle are significantly improved.
The foregoing is merely the better embodiments of the present invention, are not intended to limit the invention, all the present invention's
Within spirit and principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention.
Claims (10)
- A kind of 1. fluid switching valve, including valve body (1), spool (2) and actuator (3), which is characterized in that valve body (1) shape Into there is the liquid outlet channel (6) including inlet (4) and liquid outlet (5), the spool (2) is arranged in the valve body (1), described Actuator (3) is assemblied on the mounting hole (7) of the valve body (1) and can act so that the spool (2) acts to close Or the liquid outlet (5) is connected, wherein, the spool (2) seals off the liquid outlet channel (6) and the mounting hole (7).
- 2. fluid switching valve according to claim 1, which is characterized in that the valve body (1) includes axial passage (8), institute It states spool (2) to be slidably disposed in the axial passage (8) so that described in a part for the axial passage (8) is formed Liquid outlet channel (6)；The mounting hole (7) and the liquid outlet (5) are axially spaced to be formed on the axial passage (8).
- 3. fluid switching valve according to claim 2, which is characterized in that the other end of the spool (2) and the axial direction Elastic component (9) is provided between passage (8).
- 4. the fluid switching valve according to Claims 2 or 3, which is characterized in that the mounting hole (7) is to be formed in the axis Radial hole (10) on the wall of passage (8).
- 5. fluid switching valve according to claim 4, which is characterized in that the spool (2) is longitudinal bodies, and longitudinal bodies One end be formed as seal section (11), the seal section (11) by the liquid outlet channel (6) and the mounting hole (7) sealing every From；The actuator (3) can drive the other parts in addition to the seal section (11) of the spool (2).
- 6. fluid switching valve according to claim 5, which is characterized in that the spool (2) is located at the seal section (11) radially-inwardly tapered radial slot (12), the radial slot (12) are formed on the part between the spool other end An end surfaces be formed as the first inclined surface (13)；The actuator (3) is formed with the second inclined surface (14), and the actuator (3) can adjust along the radial hole (10) Position, and second inclined surface (14) and first inclined surface (13) cooperation.
- 7. fluid switching valve according to claim 6, which is characterized in that first inclined surface (13) is the radial cut Mouth (12) is close to the surface of the spool (2) other end.
- 8. fluid switching valve according to claim 7, which is characterized in that the valve body (1) is formed with mounting base (15), institute It states mounting base (15) and is formed with installation passage (16) with the radial hole (10) with central axis, the actuator (3) includes Plunger (17) and traveller (18), wherein,Second inclined surface (14) is formed on the traveller (18)；The externally ported place of the installation passage (16) is radially-inwardly extended with blocking portion (19), and is formed with and the blocking portion (19) opposite and axially extending guide recess (20),It is axially spaced to be formed with locating flange (21) on the outer circumferential surface of the plunger (17) and can be with the guide recess (20) block (22) being slidably matched；The axial projection (23) with the guide recess (20) cooperation is formed on the traveller (18).
- 9. a kind of radiator, which is characterized in that the water outlet of the radiator is provided with according to any one in claim 1-8 Fluid switching valve described in.
- 10. a kind of vehicle, which is characterized in that the cooling system of the vehicle is provided with radiator according to claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611077967.5A CN108119661A (en) | 2016-11-29 | 2016-11-29 | Fluid switching valve and radiator and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611077967.5A CN108119661A (en) | 2016-11-29 | 2016-11-29 | Fluid switching valve and radiator and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108119661A true CN108119661A (en) | 2018-06-05 |
Family
ID=62226882
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611077967.5A Withdrawn CN108119661A (en) | 2016-11-29 | 2016-11-29 | Fluid switching valve and radiator and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108119661A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113813042A (en) * | 2021-10-22 | 2021-12-21 | 杭州维纳安可医疗科技有限责任公司 | Electrode needle and electrode device |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB283697A (en) * | 1926-11-27 | 1928-01-19 | Pennant Mfg Company Ltd | Improvements relating to taps, more particularly applicable to oil drums |
| GB324768A (en) * | 1928-12-14 | 1930-02-06 | John Bliss | Improvements in or relating to taps or cocks |
| CN2386274Y (en) * | 1999-07-12 | 2000-07-05 | 刘建军 | Material discharging valve |
| EP1452192A1 (en) * | 2003-02-27 | 2004-09-01 | Smiths Group PLC | Valves and suction catheter assemblies |
| CN104455662A (en) * | 2014-11-29 | 2015-03-25 | 天津博信汽车零部件有限公司 | Water drainage switching valve, radiator and automobile |
| CN205078789U (en) * | 2015-09-21 | 2016-03-09 | 大唐呼图壁能源开发有限公司水力发电厂 | Novel switch valve |
-
2016
- 2016-11-29 CN CN201611077967.5A patent/CN108119661A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB283697A (en) * | 1926-11-27 | 1928-01-19 | Pennant Mfg Company Ltd | Improvements relating to taps, more particularly applicable to oil drums |
| GB324768A (en) * | 1928-12-14 | 1930-02-06 | John Bliss | Improvements in or relating to taps or cocks |
| CN2386274Y (en) * | 1999-07-12 | 2000-07-05 | 刘建军 | Material discharging valve |
| EP1452192A1 (en) * | 2003-02-27 | 2004-09-01 | Smiths Group PLC | Valves and suction catheter assemblies |
| CN104455662A (en) * | 2014-11-29 | 2015-03-25 | 天津博信汽车零部件有限公司 | Water drainage switching valve, radiator and automobile |
| CN205078789U (en) * | 2015-09-21 | 2016-03-09 | 大唐呼图壁能源开发有限公司水力发电厂 | Novel switch valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113813042A (en) * | 2021-10-22 | 2021-12-21 | 杭州维纳安可医疗科技有限责任公司 | Electrode needle and electrode device |
| CN113813042B (en) * | 2021-10-22 | 2023-12-05 | 杭州维纳安可医疗科技有限责任公司 | Electrode needle and electrode device |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180605 |