CN207527067U - A kind of thermostatic valve - Google Patents
A kind of thermostatic valve Download PDFInfo
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- CN207527067U CN207527067U CN201721488917.6U CN201721488917U CN207527067U CN 207527067 U CN207527067 U CN 207527067U CN 201721488917 U CN201721488917 U CN 201721488917U CN 207527067 U CN207527067 U CN 207527067U
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Abstract
The utility model provides a kind of thermostatic valve, belongs to field of mechanical technique.It solves the problems such as existing thermostatic valve debugging process is cumbersome and inconvenient.This thermostatic valve, including valve body, bonnet, valve rod and spool, spool includes temperature-sensing element, temperature-sensing element one end connection activity fuse, the other end is connected with water knockout drum, sealing ring is equipped between movable fuse and valve body, big spring is provided between valve rod and telescopic end, little spring is provided between water knockout drum and valve body, the upper end of valve rod is provided with cross section trigonocephalia triangular in shape, the valve deck being made of plastics is socketed on bonnet, shoulder block in a ring is provided on the lateral surface of bonnet, card slot is provided on the lateral surface of shoulder block, there is the bulge loop being correspondingly arranged with card slot on the medial surface of valve deck, bulge loop is snapped onto in card slot, the perforation of bulge loop medial surface is provided through on the lateral surface of valve deck, there is gap between the upper side of perforation and the upper surface of shoulder block.This thermostatic valve has many advantages, such as that debugging is easy to assembly.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of thermostatic valve.
Background technology
Thermostatic valve is also known as constant-temperature water mixing valve.Water mixing valve refers to influence by changing the position of opening and closing element two or more
The ratio of inlet flow rate is to form the valve of a conjoint outlet flow.Water mixing valve is frequently used to mix hot water or cold water
It closes, the water mixing valve commonly used in mixing hot water or cold water is triple valve, and the valve body of triple valve includes two water inlets, a mixed water
Chamber and a water outlet, hot water or cold water flow into valve body from two water inlets respectively and are mixed in mixed water cavity, the temperature mixed
Water is flowed out from water outlet directly to be used for user.Common water mixing valve adjusts the water outlet of warm water manually often through user
Temperature, this regulative mode cannot react in time when the flow of cold water or hot water changes, and the water temperature of warm water is caused to be neglected
It is cold to neglect heat, make user inconvenient for use.Constant-temperature water mixing valve is exactly that one kind can make the metastable water mixing valve of output water temperature.
Chinese patent literature data, which discloses, proposes a kind of constant-temperature water mixing valve [application number：201220549773.1；Bulletin
Number：202901376 U], including valve body, valve body both ends are respectively hot water inlet and cold water inlet, and valve body lower end is water outlet, valve
Body upper end is connected with bonnet, and thermometer bulb is equipped in valve body, and one end of thermometer bulb is connected with piston, piston inside and the cold water inlet of valve body
It communicates, the other end of thermometer bulb is socketed with the guide sleeve with being communicated on the inside of piston, and guide sleeve is communicated with the hot water inlet of valve body, piston
Between outside and valve body madial wall be equipped with sealing ring, the lower face of piston with it is arc-shaped at valve body contact, be arranged on guide sleeve
Spring, both ends of the spring are respectively acting on guide sleeve and valve inner lower end, and valve rod is connected on the inside of bonnet, is equipped in valve rod to temperature
The position limiting structure that packet axial elongation is limited, piston can change under the action of position limiting structure and spring force valve body two into
The aperture at the mouth of a river.Valve deck is also associated on valve body, valve deck is connected with valve rod by screw, and dial is provided on valve deck.
Valve deck is connected with valve rod by screw, and rotation valve deck can change the length that valve rod is extend into valve body, change temperature
The limited length of packet axial elongation adjusts the leaving water temperature of constant-temperature water mixing valve water outlet.Valve rod loosens in order to prevent, in valve
Locking nut is set to be locked on bar.Water mixing valve needs the debugging to water mixing valve into trip temperature when dispatching from the factory, by leaving water temperature tune
Save the temperature of setting.First valve deck is opened, then locking nut is unscrewed when adjusting water temperature, valve deck is then fixed on valve rod
On, according to the numerical value that dial is shown into the adjusting of trip temperature, then valve deck from valve rod removed, locking nut is tightened on valve
On bar and valve deck lid is closed outside valve rod and passes through screw and fixed.During adjusting, at least need to turn to lock twice
Tight nut is at least opened and is fixed valve deck four times, that is, turn screw four times, adjusts cumbersome.And in the mistake of adjusting
Cheng Zhong, rotation valve deck regulate to need after temperature to back out screw and open valve deck, and at this moment locking nut not yet fixes valve rod,
Screw may rotate that temperature is made to adjust inaccuracy with ovable valve stem during rotating, and thus need to readjust, can
It can cause repeatedly to adjust repeatedly, make constant-temperature water mixing valve debugging process cumbersome and inconvenient.
Invention content
The purpose of this utility model is in view of the above-mentioned problems existing in the prior art, it is proposed that a kind of thermostatic valve, solution
Technical problem is how to make thermostatic valve debugging easy to assembly.
The purpose of this utility model can be realized by following technical proposal：
A kind of thermostatic valve, including valve body, the valve body-side is provided with hot water inlet and cooling water inlet, the valve body lower end
Water outlet is provided with, the valve body upper end is fixedly connected with bonnet, and valve rod is threaded on the bonnet, is set in the valve body
There is spool, the spool includes movable fuse and in rod-shaped temperature-sensing element, and the upper end of the temperature-sensing element is telescopic end, described
The lower end of temperature-sensing element is temperature-sensitive end, and the activity fuse is fixed on telescopic end, and the upper port of the activity fuse can be with
Cooling water inlet communicates, and the water knockout drum communicated with movable fuse lower port, the upper end of the water knockout drum are connected on the temperature-sensitive end
Mouth can be communicated with hot water inlet, and the lower port of the water knockout drum is communicated with water outlet, the activity fuse lateral surface and valve body
Sealing ring is equipped between madial wall, big spring is provided between the valve rod and telescopic end, is set between the water knockout drum and valve body
It is equipped with little spring, which is characterized in that the upper end of the valve rod is provided with cross section trigonocephalia triangular in shape, is covered on the bonnet
The valve deck being made of plastics is connected to, the trigonocephalia is located in valve deck, and gear in a ring is provided on the lateral surface of the bonnet
Shoulder is provided with card slot on the lateral surface of the shoulder block, has the bulge loop being correspondingly arranged with card slot, institute on the medial surface of the valve deck
It states bulge loop to snap onto in card slot, the perforation of bulge loop medial surface is provided through on the lateral surface of the valve deck, the perforation
There is gap between upper side and the upper surface of shoulder block.
During thermostatic valve water flowing, hot water is passed through from hot water inlet, and cold water is passed through from cooling water inlet, and hot water or cold water is in slide core
The upper area of the lower section water knockout drum of son is mixed into warm water, and is flowed out from water outlet.Thermostatic valve is there are no during water flowing, temperature-sensitive element
The temperature at place is generally temperature of the room temperature less than setting, and temperature-sensitive element is in initial contraction state, during thermostatic valve water flowing, thermal element
Part is resisted against by thermal stretching, the telescopic end of temperature-sensitive element on big spring.Big spring compression generates temperature-sensitive element downward elastic force
And the elastic force generated with little spring is cancelled out each other, and movable fuse is made to be in moveable position in valve body.When the water temperature of mixing
During higher than setting value, temperature-sensitive element continues to extend, so as to move down movable fuse so that under hot water inlet and movable fuse
Channel between end becomes smaller, and the channel between cooling water inlet and movable fuse upper end becomes larger, and hot water flows into the stream of water knockout drum inner cavity
Amount reduces, and the flow that cold water flows into water knockout drum inner cavity becomes larger, and the temperature of mixing water reduces.When the water temperature of mixing is less than setting value
When, temperature-sensitive element shortens, so as to move up movable fuse so that the channel between hot water inlet and movable fuse lower end becomes
Greatly so that the channel between cooling water inlet and movable fuse upper end becomes smaller, and hot water flows into the flow increase of water knockout drum inner cavity, cold water
The flow for flowing into water knockout drum inner cavity reduces, the temperature raising of mixing water.Pass through the automatic adjustment of spool so that from warm water water outlet
The water temperature of the water of outflow keeps setting value, convenient for users to directly using.
During debugging manufacture water temperature setting value, thermostatic valve water flowing is given, valve rod is made to move up and down by trigonocephalia rotation valve rod.Valve
When bar rises, movable fuse moves up, leaving water temperature raising；When valve rod moves down, movable fuse moves down, and leaving water temperature reduces.Debugging
Valve deck made of plastics is covered on trigonocephalia, and snapping onto bulge loop makes valve deck be fixed on bonnet in card slot after good, valve deck
It is easy to assembly.Due to being provided with perforation on valve deck, by perforation it is observed that whether bulge loop snaps into.Perseverance after debugging is good
Warm valve does not need to generally debug again, but if necessary to again debugging manufacture water temperature setting value when, worn using a crow bar
Hole and gap and being resisted against on the upper surface of shoulder block can just pry open valve deck, and the trigonocephalia for being rotated further by valve rod is adjusted.This
The valve deck of thermostatic valve and the connection structure of bonnet make thermostatic valve debugging easy to assembly.
In above-mentioned thermostatic valve, mounting hole is provided on the lower face of the valve rod, the mounting hole is blind hole, described
The fixing groove of annular is provided on the wall surface of the hole of mounting hole lower end, snap ring is fixed in the fixing groove, is set in the mounting hole
Baffle is equipped with, the baffle is located at the top of snap ring, and the edge of the baffle lower face is provided with inclined surface in a ring, described
Inclined surface is resisted against on snap ring, and the big spring is located in mounting hole, and the upper end of the big spring is resisted against the bottom surface of mounting hole
On, the lower end of the big spring is resisted against on the upper surface of baffle.
When assembling valve rod, big spring is placed in mounting hole, baffle is then placed into the lower end of big spring and upward
Big spring is compressed, then snap ring is snapped onto in fixing groove and is fixed, valve rod is easy to assembly.Inclined surface and snap ring are against realizing
Face face is against wedge angle that can be on anti-baffle plate is resisted against on snap ring, makes snap ring uniform force.
In above-mentioned thermostatic valve, the convex block of protrusion is provided on the upper surface of the baffle, the convex block is inserted into greatly
In spring.Convex block has the function of positioning big spring, facilitates the assembling of big spring and baffle.
In above-mentioned thermostatic valve, the edge of the activity fuse lower face has retaining section in a ring, the valve
The butting section being oppositely arranged with retaining section is provided on the madial wall of body, the retaining section can be abutted against in portion, described
The center of movable fuse lower face has the mixed water portion of protrusion, and the lateral surface in the mixed water portion is obliquely installed, the mixed water portion
Lower end protrusion retaining section.
When hot water inlet has hot water and cooling water inlet does not have cold water, movable fuse moves downward, retaining section be resisted against to
Relying part makes hot water not enter water knockout drum, can prevent water outlet from flowing out hot water.When hot water and cold water regular supply, hot water from
Pass through between retaining section and butting section, hot water is impinged upon in mixed water portion, and cold water is flowed into from movable fuse upper port from movable fuse
Lower port outflow, cold water also impinged in mixed water portion, and cold water can be sufficiently mixed with hot water at mixed water portion.The mixed water portion of setting
Hot water or cold water can be made quickly to mix, make thermostatic valve control accuracy high, be conducive to the use of thermostatic valve.
In above-mentioned thermostatic valve, there is annular space between the lateral surface of the water knockout drum and the madial wall of valve body.It sets in this way
Putting can be such that water knockout drum is not blocked in valve body activity, be conducive to the use of thermostatic valve.
In above-mentioned thermostatic valve, check-valves is both provided in the hot water inlet and cooling water inlet.It can prevent in this way
Cold water is entered in hot-water line, while can prevent hot water from entering in cold water pipe, prevents water system from getting muddled.
In above-mentioned thermostatic valve, the arrow of instruction flow direction is provided on the lateral surface of the valve body.It can prevent
Thermostatic valve connecting line malfunctions.
Compared with prior art, the utility model has the following advantages：
Valve deck is made of plastics, and bulge loop and perforation are set on valve deck, shoulder block and card slot are set on bonnet, three are set on valve rod
Angle head makes thermostatic valve assembly and adjustment convenient.Big spring is installed by baffle and snap ring, makes big spring easy to assembly.Pass through setting
Mixed water portion makes hot water or cold water quickly mix, and is conducive to the use of thermostatic valve.
Description of the drawings
Fig. 1 is the sectional view of this thermostatic valve；
Fig. 2 is the partial enlarged view at A in Fig. 1；
Fig. 3 is the partial enlarged view at B in Fig. 1；
Fig. 4 is the partial enlarged view at C in Fig. 1；
Fig. 5 is the partial enlarged view at D in Fig. 1；
Fig. 6 is the front view of this thermostatic valve；
Fig. 7 is the vertical view of this thermostatic valve.
In figure, 1, valve body；1a, hot water inlet；1b, cooling water inlet；1c, water outlet；1d, butting section；2nd, bonnet；2a, gear
Shoulder；2b, card slot；3rd, valve rod；3a, trigonocephalia；3b, mounting hole；3c, fixing groove；4th, movable fuse；4a, retaining section；4b, mixed water
Portion；5th, temperature-sensing element；5a, telescopic end；5b, temperature-sensitive end；6th, water knockout drum；6a, annular space；7th, sealing ring；8th, big spring；9th, small bullet
Spring；10th, valve deck；10a, bulge loop；10b, perforation；10c, gap；11st, snap ring；12nd, baffle；12a, inclined surface；12b, convex block；13、
Check-valves；14th, arrow.
Specific embodiment
It is specific embodiment of the utility model and with reference to attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these embodiments.
Embodiment one
As shown in Fig. 1-Fig. 7, a kind of thermostatic valve, including valve body 1,1 side of valve body be provided with hot water inlet 1a and cold water into
Mouth 1b, 1 lower end of valve body are provided with water outlet 1c, and 1 upper end of valve body is fixedly connected with bonnet 2, valve rod 3 is threaded on bonnet 2,
Spool is equipped in valve body 1.Be provided with the arrow 14 of instruction flow direction on the lateral surface of valve body 1, hot water inlet 1a and cold water into
Check-valves 13 is both provided in mouth 1b.Spool includes movable fuse 4 and in rod-shaped temperature-sensing element 5, and the upper end of temperature-sensing element 5 is
Telescopic end 5a, the lower end of temperature-sensing element 5 is temperature-sensitive end 5b.Movable fuse 4 is fixed on telescopic end 5a, the upper end of movable fuse 4
Mouth can be communicated with cooling water inlet 1b, and the lower port of movable fuse 4 can be communicated with hot water inlet 1a.It is connected on the 5b of temperature-sensitive end
The water knockout drum 6 communicated with movable 4 lower port of fuse, the upper port of water knockout drum 6 and the lower port of movable fuse 4 are oppositely arranged, point
The upper port of hydrophone 6 can be communicated with hot water inlet 1a, and the lower port of water knockout drum 6 is communicated with water outlet 1c, and temperature-sensitive end 5b is inserted into
Into the water passage of water knockout drum 6, there is annular space 6a between the lateral surface of water knockout drum 6 and the madial wall of valve body 1.Movable fuse 4
The edge of lower face has retaining section 4a in a ring, is provided with what is be oppositely arranged with retaining section 4a on the madial wall of valve body 1
Butting section 1d, retaining section 4a can be abutted against on portion 1d.The center of movable 4 lower face of fuse has the mixed water portion of protrusion
4b, the lateral surface of mixed water portion 4b are obliquely installed, and mix the lower end protrusion retaining section 4a of water portion 4b.
Sealing ring 7 is equipped between movable 4 lateral surface of fuse and 1 madial wall of valve body, is provided between valve rod 3 and telescopic end 5a
Big spring 8.Mounting hole 3b is provided on the lower face of valve rod 3, mounting hole 3b is blind hole, is set on the wall surface of the hole of mounting hole 3b lower ends
The fixing groove 3c of annular is equipped with, snap ring 11 is fixed in fixing groove 3c.Be provided in mounting hole 3b can be in mounting hole 3b on
The baffle 12 of lower slider, baffle 12 are located at the top of snap ring 11, and the edge of 12 lower face of baffle is provided with inclined surface in a ring
12a, inclined surface 12a are resisted against on snap ring 11.Big spring 8 is located in mounting hole 3b, and the upper end of big spring 8 is resisted against mounting hole 3b
Bottom surface on, the lower end of big spring 8 is resisted against on the upper surface of baffle 12.The convex block of protrusion is provided on the upper surface of baffle 12
12b, convex block 12b are inserted into big spring 8.Little spring 9 is provided between water knockout drum 6 and valve body 1, little spring 9 is sleeved on a point water
Outside device 6, the upper end of little spring 9 is resisted against the lateral surface of water knockout drum 6, and the lower end of little spring 9 is resisted against on the madial wall of valve body 1.
The upper end of valve rod 3 is provided with cross section trigonocephalia 3a triangular in shape, and the valve being made of plastics is socketed on bonnet 2
Lid 10, trigonocephalia 3a are located in valve deck 10.Shoulder block 2a in a ring, the lateral surface of shoulder block 2a are provided on the lateral surface of bonnet 2
On be provided with card slot 2b, there is the bulge loop 10a being correspondingly arranged with card slot 2b, bulge loop 10a to snap onto card on the medial surface of valve deck 10
In slot 2b, the perforation 10b of bulge loop 10a medial surfaces, the upper side and gear of the 10b that perforates are provided through on the lateral surface of valve deck 10
There is gap 10c between the upper surface of shoulder 2a.There are two perforation 10b and is symmetricly set on valve deck 10.
During debugging manufacture water temperature setting value, valve rod 3 is made to move up and down by trigonocephalia 3a rotation valve rods 3.Valve rod 3 rises
When, movable fuse 4 moves up, leaving water temperature raising；When valve rod 3 moves down, movable fuse 4 moves down, and leaving water temperature reduces.Debugging is completed
Valve deck made of plastics 10 is covered on trigonocephalia 3a afterwards, and snapping onto bulge loop 10a makes valve deck 10 be fixed on valve in card slot 2b
On cap 2, valve deck 10 is easy to assembly.Thermostatic valve after debugging is good does not need to generally debug again, but if necessary to debug out again
During factory's water temperature setting value, pass through perforation 10b and gap 10c using a crow bar and be resisted against on the upper surface of shoulder block 2a and just can
Valve deck 10 is pried open, the trigonocephalia 3a for being rotated further by valve rod 3 is adjusted, and thermostatic valve debugging is easy to assembly.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Described specific embodiment can be done various modifications or additions or using similar by belonging to those skilled in the art
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (7)
1. a kind of thermostatic valve, including valve body (1), valve body (1) side is provided with hot water inlet (1a) and cooling water inlet (1b),
Valve body (1) lower end is provided with water outlet (1c), and valve body (1) upper end is fixedly connected with bonnet (2), the bonnet (2)
On be threaded with valve rod (3), spool is equipped in the valve body (1), the spool includes movable fuse (4) and in rod-shaped sense
Warm element (5), the upper end of the temperature-sensing element (5) is telescopic end (5a), and the lower end of the temperature-sensing element (5) is temperature-sensitive end
(5b), the activity fuse (4) are fixed on telescopic end (5a), and the upper port of the activity fuse (4) can be with cooling water inlet
(1b) is communicated, and the water knockout drum (6) communicated with movable fuse (4) lower port, the water knockout drum are connected on the temperature-sensitive end (5b)
(6) upper port can be communicated with hot water inlet (1a), and the lower port of the water knockout drum (6) is communicated with water outlet (1c), described
Sealing ring (7) is equipped between movable fuse (4) lateral surface and valve body (1) madial wall, between the valve rod (3) and telescopic end (5a)
Big spring (8) is provided with, is provided with little spring (9) between the water knockout drum (6) and valve body (1), which is characterized in that the valve rod
(3) upper end is provided with cross section trigonocephalia triangular in shape (3a), and the valve deck being made of plastics is socketed on the bonnet (2)
(10), the trigonocephalia (3a) is provided with shoulder block in a ring in valve deck (10) on the lateral surface of the bonnet (2)
(2a) is provided with card slot (2b) on the lateral surface of the shoulder block (2a), has on the medial surface of the valve deck (10) and card slot
The bulge loop (10a) that (2b) is correspondingly arranged, the bulge loop (10a) is snapped onto in card slot (2b), on the lateral surface of the valve deck (10)
It is provided through the perforation (10b) of bulge loop (10a) medial surface, the upper end of the upper side and shoulder block (2a) of the perforation (10b)
There is gap (10c) between face.
2. thermostatic valve according to claim 1, which is characterized in that be provided with mounting hole on the lower face of the valve rod (3)
(3b), the mounting hole (3b) are blind hole, and the fixing groove (3c) of annular is provided on the wall surface of the hole of mounting hole (3b) lower end,
Snap ring (11) is fixed in the fixing groove (3c), baffle (12), baffle (12) position are provided in the mounting hole (3b)
In the top of snap ring (11), the edge of baffle (12) lower face is provided with inclined surface (12a) in a ring, the inclined surface
(12a) is resisted against on snap ring (11), and in mounting hole (3b), the upper end of the big spring (8) is resisted against the big spring (8)
On the bottom surface of mounting hole (3b), the lower end of the big spring (8) is resisted against on the upper surface of baffle (12).
3. thermostatic valve according to claim 2, which is characterized in that be provided with protrusion on the upper surface of the baffle (12)
Convex block (12b), the convex block (12b) are inserted into big spring (8).
4. according to the thermostatic valve described in claims 1 or 2 or 3, which is characterized in that the edge of described activity fuse (4) lower face
Place has retaining section (4a) in a ring, is provided on the madial wall of the valve body (1) and is supported with what retaining section (4a) was oppositely arranged
Relying part (1d), the retaining section (4a) can be abutted against in portion (1d), the center tool of described activity fuse (4) lower face
There is the mixed water portion (4b) of protrusion, the lateral surface of the mixed water portion (4b) is obliquely installed, the lower end protrusion gear of the mixed water portion (4b)
Water portion (4a).
5. according to the thermostatic valve described in claims 1 or 2 or 3, which is characterized in that the lateral surface and valve body of the water knockout drum (6)
(1) there is annular space (6a) between madial wall.
6. according to the thermostatic valve described in claims 1 or 2 or 3, which is characterized in that the hot water inlet (1a) and cooling water inlet
Check-valves (13) is both provided in (1b).
7. according to the thermostatic valve described in claims 1 or 2 or 3, which is characterized in that be provided on the lateral surface of the valve body (1)
Indicate the arrow (14) of flow direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721488917.6U CN207527067U (en) | 2017-11-09 | 2017-11-09 | A kind of thermostatic valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721488917.6U CN207527067U (en) | 2017-11-09 | 2017-11-09 | A kind of thermostatic valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207527067U true CN207527067U (en) | 2018-06-22 |
Family
ID=62581521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721488917.6U Expired - Fee Related CN207527067U (en) | 2017-11-09 | 2017-11-09 | A kind of thermostatic valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207527067U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506010A (en) * | 2018-11-06 | 2019-03-22 | 江苏新火特核阀业有限公司 | A kind of high temperature and pressure four-way adjustable check valve |
-
2017
- 2017-11-09 CN CN201721488917.6U patent/CN207527067U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109506010A (en) * | 2018-11-06 | 2019-03-22 | 江苏新火特核阀业有限公司 | A kind of high temperature and pressure four-way adjustable check valve |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180622 Termination date: 20201109 |