CN109630689A - A kind of novel power-assisted cut-off device valve - Google Patents
A kind of novel power-assisted cut-off device valve Download PDFInfo
- Publication number
- CN109630689A CN109630689A CN201910006102.7A CN201910006102A CN109630689A CN 109630689 A CN109630689 A CN 109630689A CN 201910006102 A CN201910006102 A CN 201910006102A CN 109630689 A CN109630689 A CN 109630689A
- Authority
- CN
- China
- Prior art keywords
- fixedly installed
- hole
- valve body
- novel power
- kelly
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 claims abstract description 29
- 238000005192 partition Methods 0.000 claims abstract description 16
- 230000000452 restraining effect Effects 0.000 claims abstract description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000007787 solid 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
-
- 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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
-
- 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
- F16L25/06—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means comprising radial locking means
- F16L25/065—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means comprising radial locking means the locking means being actuated by radial screws
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Earth Drilling (AREA)
- Mechanically-Actuated Valves (AREA)
Abstract
The invention discloses a kind of novel power-assisted cut-off device valves, including valve body, the inside of the valve body is fixedly installed with partition, the surface of the partition is equipped with apopore, the inner wall of the valve body is equipped with escape groove, the bottom end of the escape groove is equipped with through-hole, the inside of the through-hole is fixedly installed with the first sealing ring, the bottom end of the through-hole is equipped with open slot, restraining position ring block is fixedly mounted in the inside of the open slot, the internal slide of the stop collar is equipped with support rod, it is slidably connected between the support rod and the first sealing ring, the lower end of the support rod is fixedly installed with sealing block.The novel power-assisted cut-off device valve, when the first kelly is detached from card hole, under the action of the first spring, second spring restore deformation, it can quickly push support rod that sealing block is driven to be detached from partition, so that apopore is opened, and when threaded rod rotation, connecting rod can be driven to move up, so that the second kelly is detached from card slot, convenient for the replacement of conduit.
Description
Technical field
The present invention relates to shut-off valve technical field, specially a kind of novel power-assisted cut-off device valve.
Background technique
Shut-off valve is also pipe valve, is one of most popular valve, and why very popular it is, is due to opening and closing process
Frictional force is small between middle sealing surface, relatively durable, and Lift is little, manufacture be easy, it is easy to maintenance, be applicable not only in it is low
Pressure, and it is suitable for high pressure.
In most novel power-assisted cut-off device valves, after card hole cannot being detached from simply by the first kelly, so that squeezing
Bar no longer by position-limiting action, thus the first spring, second spring no longer forced compression and restore deformation so that push rod drives support
Bar is moved upward, so that sealing block is detached from apopore, and most to be fixedly connected between conduit and shut-off valve, is used for a long time
After breaking-up, it has not been convenient to replace.
Summary of the invention
It is mentioned above in the background art to solve the purpose of the present invention is to provide a kind of novel power-assisted cut-off device valve
Problem.
To achieve the above object, the invention provides the following technical scheme: a kind of novel power-assisted cut-off device valve, including valve
Body, the inside of the valve body are fixedly installed with partition, and the surface of the partition is equipped with apopore, and the inner wall of the valve body, which is equipped with, to be kept away
Allow slot, the bottom end of the escape groove is equipped with through-hole, and the inside of the through-hole is fixedly installed with the first sealing ring, the bottom of the through-hole
End is equipped with open slot, and restraining position ring block is fixedly mounted in the inside of the open slot, and the internal slide of the stop collar is equipped with support
Bar is slidably connected between the support rod and the first sealing ring, and the lower end of the support rod is fixedly installed with sealing block, described close
Be slidably connected between envelope block and partition, the surface of the support rod is fixedly installed with baffle, the baffle and open slot bottom end it
Between be fixedly connected with the first spring, the upper end of the support rod is fixedly installed with push rod；
The surface of the valve body is symmetrically arranged with mounting groove, and the inner wall of the mounting groove is equipped with sliding slot, and the inner wall of the mounting groove is set
There is card hole；
The internal slide of the mounting groove is equipped with support plate, and second spring is fixedly installed on the inside of the support plate, described
It is fixedly installed with pressure ram on the outside of support plate, is fixedly connected between the pressure ram and push rod.
Preferably, the surface of the pressure ram is equipped with the first circular hole, and the internal symmetry of first circular hole is fixedly installed with
The internal symmetry of fixed block, first circular hole is fixedly installed with limited block.
Preferably, the internal slide of first circular hole is equipped with the first kelly, sliding between first kelly and card hole
Dynamic connection, the surface of first kelly are symmetrically fixedly installed with supporting block, are slidably connected between the supporting block and limited block,
Third spring is fixedly installed between the supporting block and fixed block.
Preferably, the internal symmetry of the valve body is fixedly installed with the second sealing ring, the internal slide peace of second sealing ring
Equipped with conduit, the surface of the conduit is symmetrically arranged with card slot.
Preferably, the surface of the valve body is symmetrically arranged with limit hole, and the internal slide of the limit hole is equipped with the second card
Bar, sliding is between second kelly and card slot to connect.
Preferably, the end of second kelly is fixedly installed with connecting rod, and the surface of the connecting rod is equipped with the second circle
The inside in hole, second circular hole is fixedly installed with bearing.
Preferably, the surface of the valve body is symmetrically arranged with threaded hole, and the internal whorl of the threaded hole is connected with threaded rod.
Preferably, it is fixedly connected between the threaded rod and bearing.
Compared with prior art, the beneficial effects of the present invention are: the novel power-assisted cut-off device valve, when the first kelly is detached from card hole
When, under the action of the first spring, second spring restore deformation, it can quickly push support rod that sealing block is driven to be detached from partition, make
It obtains apopore to open, and when threaded rod rotation, connecting rod can be driven to move up, so that the second kelly is detached from card slot, convenient for leading
The replacement of pipe.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention；
Fig. 2 is the enlarged drawing of A at Fig. 1 of the present invention.
In figure: 1 valve body, 2 partitions, 3 apopores, 4 escape groove, 5 through-holes, 6 first sealing rings, 7 open slots, 8 stop collars, 9
Support rod, 10 sealing blocks, 11 baffles, 12 first springs, 13 push rods, 14 mounting grooves, 15 sliding slots, 16 card holes, 17 support plates, 18
Two springs, 19 pressure rams, 20 first circular holes, 21 fixed blocks, 22 limited blocks, 23 first kellies, 24 supporting blocks, 25 third springs,
26 second sealing rings, 27 conduits, 28 card slots, 29 limit holes, 30 second kellies, 31 connecting rods, 32 second circular holes, 33 bearings, 34
Threaded hole, 35 threaded rods.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The present invention provides a kind of technical solution referring to FIG. 1-2: a kind of novel power-assisted cut-off device valve, including valve body 1,
The inside of valve body 1 is fixedly installed with partition 2, and the surface of partition 2 is equipped with apopore 3, and the inner wall of valve body 1 is equipped with escape groove 4, evacuation
The bottom end of slot 4 is equipped with through-hole 5, and the inside of through-hole 5 is fixedly installed with the first sealing ring 6, and the bottom end of through-hole 5 is equipped with open slot 7, opens
Restraining position ring block 8 is fixedly mounted in the inside of mouth slot 7, and the internal slide of stop collar 8 is equipped with support rod 9, support rod 9 and the first sealing
It being slidably connected between ring 6, the lower end of support rod 9 is fixedly installed with sealing block 10, it is slidably connected between sealing block 10 and partition 2,
The surface of support rod 9 is fixedly installed with baffle 11, and the first spring 12 is fixedly connected between 7 bottom end of baffle 11 and open slot, branch
The upper end of strut 9 is fixedly installed with push rod 13；
The surface of valve body 1 is symmetrically arranged with mounting groove 14, and the inner wall of mounting groove 14 is equipped with sliding slot 15, and the inner wall of mounting groove 14 is equipped with card
Hole 16, sliding slot 14 is convenient for the entrance of the first kelly 23, and card hole 16 is convenient for limiting 23 clamping of the first kelly, so that pressure ram 19
It keeps stablizing；
The internal slide of mounting groove 14 is equipped with support plate 17, and the inside of support plate 17 is fixedly installed with second spring 18, support
The outside of plate 17 is fixedly installed with pressure ram 19, is fixedly connected between pressure ram 19 and push rod 13, when pressure ram 19 is no longer by
When one 23 position-limiting action of kelly, push rod 13 can be pushed to move up.
The surface of pressure ram 19 is equipped with the first circular hole 20, and the internal symmetry of the first circular hole 20 is fixedly installed with fixed block 21,
The internal symmetry of first circular hole 20 is fixedly installed with limited block 22, the setting of limited block 22.Convenient for being limited to supporting block 24,
It is prevented to be detached from the first circular hole 20.
The internal slide of first circular hole 20 is equipped with the first kelly 23, is slidably connected between the first kelly 23 and card hole 16,
The surface of first kelly 23 is symmetrically fixedly installed with supporting block 24, is slidably connected between supporting block 24 and limited block 22, supporting block
It is fixedly installed with third spring 25 between 24 and fixed block 21, under the action of third spring 25, pushes supporting block 24 and limit
Block 22 contacts, and drives the first kelly 23 to 16 clamping of card hole.
The internal symmetry of valve body 1 is fixedly installed with the second sealing ring 26, and the internal slide of the second sealing ring 26, which is equipped with, leads
Pipe 27, the surface of conduit 27 are symmetrically arranged with card slot 28, and card slot 28 is convenient for 30 clamping of the second kelly limit, so that conduit 27 keeps steady
It is fixed.
The surface of valve body 1 is symmetrically arranged with limit hole 29, and the internal slide of limit hole 29 is equipped with the second kelly 30, the second card
To connect, limit hole 29 is convenient for the entrance of the second kelly 30 for sliding between bar 30 and card slot 28, when preventing threaded rod 35 from rotating, makes
Connecting rod 31 is obtained to rotate with it.
The end of second kelly 30 is fixedly installed with connecting rod 31, and the surface of connecting rod 31 is equipped with the second circular hole 32, and second
The inside of circular hole 32 is fixedly installed with bearing 33, and bearing 33 is convenient for the installation of threaded rod 35, so that threaded rod 35 can be rotated
And connecting rod 31 is driven to move up.
The surface of valve body 1 is symmetrically arranged with threaded hole 34, and the internal whorl of threaded hole 34 is connected with threaded rod 35, threaded rod 35
It is fixedly connected between bearing 33, threaded rod 35 keeps tightening state under the action of 34 inner thread of threaded hole, so that connection
Bar 31 drives the second kelly 30 to 28 clamping of card slot.
The present invention is in the specific implementation: when needing to open novel power-assisted cut-off device valve, can pin the first kelly 23 use
Power pushes inwardly, so that the first kelly 23 drives supporting block 24 to be detached from limited block 22 to moving on the outside of the first circular hole 20, solid
Under the action of determining block 21, so that 25 forced compression of third spring, when the first kelly 23 enters sliding slot 15, the first kelly 23 has taken off
From card hole 16, thus the first spring 12, the no longer forced compression of second spring 18 and restore deformation, the first spring 12 pushes baffle 11
And driving support rod 9 to moving on the outside of open slot 7, second spring 18 pushes support plate 17 simultaneously to drive pressure ram 19 to mounting groove 14
Outside is mobile, and 23 end face of the first kelly is moved along 14 inner wall of mounting groove, and push rod 13 is in the effect of support rod 9, pressure ram 19
Under, it is moved upward, support rod 9 drives sealing block 10 to be detached from partition 2, when baffle 11 and limit to when moving on the outside of open slot 7
When ring 8 contacts, sealing block 10 is detached from partition 2 and enters in escape groove 4, and apopore 3 is in the open state, and the first spring 12,
The no longer deformation of second spring 18 can pin threaded rod 35 and be rotated when needing replacing conduit 27, so that threaded rod 35 is in spiral shell
Under the action of 34 inner thread of pit, slowly it is detached from threaded hole 34 and is moved upward, and threaded rod 35 turns inside bearing 33
It is dynamic, and connecting rod 31 is driven to be moved upward, under the action of limit hole 29, prevent connecting rod 31 from being rotated, and the second card
Bar 30 eventually disengages from card slot 28 under the action of connecting rod 31, removes conduit 27 and is replaced.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (8)
1. a kind of novel power-assisted cut-off device valve, including valve body (1), it is characterised in that: the inside of the valve body (1) is fixedly mounted
Have partition (2), the surface of the partition (2) is equipped with apopore (3), and the inner wall of the valve body (1) is equipped with escape groove (4), described
The bottom end of escape groove (4) is equipped with through-hole (5), and the inside of the through-hole (5) is fixedly installed with the first sealing ring (6), the through-hole
(5) bottom end is equipped with open slot (7), and restraining position ring block (8) are fixedly mounted in the inside of the open slot (7), the stop collar (8)
Internal slide is equipped with support rod (9), is slidably connected between the support rod (9) and the first sealing ring (6), the support rod
(9) lower end is fixedly installed with sealing block (10), is slidably connected between the sealing block (10) and partition (2), the support rod
(9) surface is fixedly installed with baffle (11), is fixedly connected with the first spring between the baffle (11) and open slot (7) bottom end
(12), the upper end of the support rod (9) is fixedly installed with push rod (13)；
The surface of the valve body (1) is symmetrically arranged with mounting groove (14), and the inner wall of the mounting groove (14) is equipped with sliding slot (15), described
The inner wall of mounting groove (14) is equipped with card hole (16)；
The internal slide of the mounting groove (14) is equipped with support plate (17), and is fixedly installed on the inside of the support plate (17)
Two springs (18) are fixedly installed with pressure ram (19) on the outside of the support plate (17), the pressure ram (19) and push rod (13)
Between be fixedly connected.
2. a kind of novel power-assisted cut-off device valve according to claim 1, it is characterised in that: the table of the pressure ram (19)
Face is equipped with the first circular hole (20), and the internal symmetry of first circular hole (20) is fixedly installed with fixed block (21), first circle
The internal symmetry in hole (20) is fixedly installed with limited block (22).
3. a kind of novel power-assisted cut-off device valve according to claim 2, it is characterised in that: first circular hole (20)
Internal slide is equipped with the first kelly (23), is slidably connected between first kelly (23) and card hole (16), first card
The surface of bar (23) is symmetrically fixedly installed with supporting block (24), is slidably connected between the supporting block (24) and limited block (22),
Third spring (25) are fixedly installed between the supporting block (24) and fixed block (21).
4. a kind of novel power-assisted cut-off device valve according to claim 1, it is characterised in that: the inside of the valve body (1)
It is symmetrically fixedly installed with the second sealing ring (26), the internal slide of second sealing ring (26) is equipped with conduit (27), described
The surface of conduit (27) is symmetrically arranged with card slot (28).
5. a kind of novel power-assisted cut-off device valve according to claim 1, it is characterised in that: the surface of the valve body (1)
It is symmetrically arranged with limit hole (29), the internal slide of the limit hole (29) is equipped with the second kelly (30), second kelly
(30) it slides between card slot (28) to connect.
6. a kind of novel power-assisted cut-off device valve according to claim 5, it is characterised in that: second kelly (30)
End is fixedly installed with connecting rod (31), and the surface of the connecting rod (31) is equipped with the second circular hole (32), second circular hole
(32) inside is fixedly installed with bearing (33).
7. a kind of novel power-assisted cut-off device valve according to claim 1, it is characterised in that: the surface of the valve body (1)
It is symmetrically arranged with threaded hole (34), the internal whorl of the threaded hole (34) is connected with threaded rod (35).
8. a kind of novel power-assisted cut-off device valve according to claim 7, it is characterised in that: the threaded rod (35) and axis
It holds and is fixedly connected between (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910006102.7A CN109630689B (en) | 2019-01-04 | 2019-01-04 | Power-assisted stop device valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910006102.7A CN109630689B (en) | 2019-01-04 | 2019-01-04 | Power-assisted stop device valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109630689A true CN109630689A (en) | 2019-04-16 |
| CN109630689B CN109630689B (en) | 2024-04-26 |
Family
ID=66056549
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910006102.7A Active CN109630689B (en) | 2019-01-04 | 2019-01-04 | Power-assisted stop device valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109630689B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594429A (en) * | 2019-10-15 | 2019-12-20 | 晟福（天津）流体自动控制设备有限公司 | Valve convenient to install case |
| CN111075974A (en) * | 2020-03-02 | 2020-04-28 | 浙江光跃环保科技股份有限公司 | Ejector rod type double-cavity synchronous water stopping mechanism of drinking equipment |
| CN111637051A (en) * | 2020-07-15 | 2020-09-08 | 佘峰 | Water pump connector convenient for replacing pipeline |
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| US4397485A (en) * | 1979-08-08 | 1983-08-09 | Aeroquip Corporation | Threadless pipe fitting |
| US5048791A (en) * | 1990-11-29 | 1991-09-17 | Parker Hannifin Corporation | Shut off valve |
| DE102015121549A1 (en) * | 2014-12-12 | 2016-06-16 | Buchholz Hydraulik Gmbh | Shut-off |
| CN206206612U (en) * | 2016-11-20 | 2017-05-31 | 江苏庆海石油机械有限公司 | A kind of Labor-saving cut-off valve |
| CN206875006U (en) * | 2017-03-20 | 2018-01-12 | 东莞市通兴液压科技有限公司 | A kind of hydraulic cylinder fluid pipeline connector |
| CN206958268U (en) * | 2017-06-22 | 2018-02-02 | 刘传云 | A kind of valve harnessed the river with good airproof performance that feeds water |
| RU2644606C1 (en) * | 2016-09-19 | 2018-02-13 | Акционерное общество "Научно-производственная фирма "Центральное конструкторское бюро арматуростроения" | Safety valve |
| CN207814469U (en) * | 2018-01-25 | 2018-09-04 | 替科斯科技集团天津流体设备有限公司 | A kind of anticlogging shut-off valve |
| CN208107298U (en) * | 2018-03-29 | 2018-11-16 | 河南省铭澳特种设备检测有限公司 | Easy-to-dismount safety valve |
| CN209511128U (en) * | 2019-01-04 | 2019-10-18 | 浙江美德机械有限公司 | A kind of novel power-assisted cut-off device valve |
-
2019
- 2019-01-04 CN CN201910006102.7A patent/CN109630689B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4397485A (en) * | 1979-08-08 | 1983-08-09 | Aeroquip Corporation | Threadless pipe fitting |
| US5048791A (en) * | 1990-11-29 | 1991-09-17 | Parker Hannifin Corporation | Shut off valve |
| DE102015121549A1 (en) * | 2014-12-12 | 2016-06-16 | Buchholz Hydraulik Gmbh | Shut-off |
| RU2644606C1 (en) * | 2016-09-19 | 2018-02-13 | Акционерное общество "Научно-производственная фирма "Центральное конструкторское бюро арматуростроения" | Safety valve |
| CN206206612U (en) * | 2016-11-20 | 2017-05-31 | 江苏庆海石油机械有限公司 | A kind of Labor-saving cut-off valve |
| CN206875006U (en) * | 2017-03-20 | 2018-01-12 | 东莞市通兴液压科技有限公司 | A kind of hydraulic cylinder fluid pipeline connector |
| CN206958268U (en) * | 2017-06-22 | 2018-02-02 | 刘传云 | A kind of valve harnessed the river with good airproof performance that feeds water |
| CN207814469U (en) * | 2018-01-25 | 2018-09-04 | 替科斯科技集团天津流体设备有限公司 | A kind of anticlogging shut-off valve |
| CN208107298U (en) * | 2018-03-29 | 2018-11-16 | 河南省铭澳特种设备检测有限公司 | Easy-to-dismount safety valve |
| CN209511128U (en) * | 2019-01-04 | 2019-10-18 | 浙江美德机械有限公司 | A kind of novel power-assisted cut-off device valve |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110594429A (en) * | 2019-10-15 | 2019-12-20 | 晟福（天津）流体自动控制设备有限公司 | Valve convenient to install case |
| CN111075974A (en) * | 2020-03-02 | 2020-04-28 | 浙江光跃环保科技股份有限公司 | Ejector rod type double-cavity synchronous water stopping mechanism of drinking equipment |
| CN111075974B (en) * | 2020-03-02 | 2024-05-28 | 浙江光跃环保科技股份有限公司 | Ejector rod type double-cavity synchronous water stopping mechanism of drinking water equipment |
| CN111637051A (en) * | 2020-07-15 | 2020-09-08 | 佘峰 | Water pump connector convenient for replacing pipeline |
| CN111637051B (en) * | 2020-07-15 | 2022-04-08 | 张素平 | Water pump connector convenient for replacing pipeline |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109630689B (en) | 2024-04-26 |
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