CN209671176U - Can instant-free pressure Peristaltic pump head - Google Patents
Can instant-free pressure Peristaltic pump head Download PDFInfo
- Publication number
- CN209671176U CN209671176U CN201920339288.3U CN201920339288U CN209671176U CN 209671176 U CN209671176 U CN 209671176U CN 201920339288 U CN201920339288 U CN 201920339288U CN 209671176 U CN209671176 U CN 209671176U
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- main shaft
- lower tray
- hose
- instant
- pump chamber
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- 230000002572 peristaltic effect Effects 0.000 title claims abstract description 37
- 239000011324 bead Substances 0.000 claims description 11
- 230000014759 maintenance of location Effects 0.000 claims description 11
- 210000001320 hippocampus Anatomy 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- 230000006835 compression Effects 0.000 abstract description 4
- 238000007906 compression Methods 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 description 16
- 238000010586 diagram Methods 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000002459 sustained effect Effects 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Reciprocating Pumps (AREA)
Abstract
The utility model provide it is a kind of can instant-free pressure Peristaltic pump head, belong to wriggling pump technical field.It solves the problems, such as that hose easily deviates in existing peristaltic pump, cannot instant pressure release.Originally can instant-free pressure Peristaltic pump head, including the internal pump housing with pump chamber, a folder hole is equipped at left and right sides of the pump housing, one hose is pierced by after one of folder hole penetrates pump chamber by another folder hole, the main shaft extended along pump housing front-rear direction is equipped in pump chamber, main shaft is equipped with several circular equally distributed rollers of main shaft, the top of pump chamber has the cylindrical surface being coaxially disposed with main shaft, with circumferentially extending for limiting the limiting groove of hose on cylindrical surface, the roller compression above main shaft is turned to when work on the hose being located in limiting groove, it is equipped between main shaft and the pump housing for making pressure relief of the main shaft far from cylindrical surface.The utility model have many advantages, such as to hose good positioning effect, can instant pressure release.
Description
Technical field
The utility model belongs to wriggling pump technical field, be related to it is a kind of can instant-free pressure Peristaltic pump head.
Background technique
Peristaltic pump is a kind of novel fluid delivery pump after impeller pump, centrifugal pump, diaphragm pump etc., it is in medical treatment, doctor
The every profession and trades such as medicine, food, beverage, chemical industry, smelting are just widely popularized and are applied.Existing peristaltic pump liquid in motor rotation stop
Body cannot stop flowing out immediately, but will appear the problem of liquid drips, and be particularly applied to meeting when medical operating when in use
Great discomfort is brought to doctor, wastes operating time.
For this purpose, Chinese patent discloses a kind of multi-purpose combined type peristaltic pump [Authorization Notice No. CN207634276U],
Including lower support base, motor, idler wheel, wheel carrier, hose and positioning sliding block and displacement regulating mechanism；The front end of lower support base is fixed
2 connector fixing seats are installed with, two sides are removably installed with connector fixing seat, and motor is installed in below lower support base, wheel carrier
It is set to lower support base upper end and passes through motor driven, idler wheel is installed on wheel carrier, and Hose Jacket is set to idler wheel periphery, positioning sliding block
Set on lower support base rear end, it is displaced regulating mechanism and is set on positioning sliding block.
Although above-mentioned peristaltic pump can adjust position of the positioning sliding block relative to hose by displacement regulating mechanism, can solve
Peristaltic pump stops rear hose and the problem of liquid drippage occurs, but its there are still following problems: since positioning sliding block is located at hose
Top, and the face that positioning sliding block is contacted with hose is shiny surface, the position limiting structure of not set hose, when regulating mechanism slides positioning
When block is integrally detached from hose, easily there is position when moving radially and deviating working condition in hose, when causing lower task not
Effectively liquid can be conveyed.
Utility model content
The purpose of this utility model is the presence of the above problem in view of the prior art, proposes a kind of pair of hose locating effect
It is good can instant-free pressure Peristaltic pump head.
The purpose of this utility model can be realized by the following technical scheme:
Can instant-free pressure Peristaltic pump head, including the internal pump housing with pump chamber, the left and right sides of the pump housing
It is equipped with a folder hole, a hose is pierced by by another folder hole after one of folder hole penetrates pump chamber, is worn in the pump chamber
There is the main shaft extended along pump housing front-rear direction, the main shaft is equipped with several circular equally distributed rollers of main shaft, feature
It is, the top of the pump chamber has the cylindrical surface being coaxially disposed with main shaft, has circumferentially extending use on the cylindrical surface
The roller compression above the main shaft is turned to when the limiting groove of limit hose, work in the hose being located in limiting groove
On, it is equipped between the main shaft and the pump housing for making pressure relief of the main shaft far from cylindrical surface.
Specifically, the left side of pump chamber has the folder hole one being connected to pump chamber, right side has the folder hole two being connected to pump chamber,
Hose is pierced by after folder hole one penetrates pump chamber by folder hole two, and folder hole one and folder hole two are located on sustained height, and folder hole one and folder
The opening size in hole two is less than the diameter of hose, and hose is clamped in folder hole one and folder hole two, and pressure relief is set to master
Between axis and the pump housing, when pressure relief work, the hose in groove is not easy to loosen.One end of limiting groove extends to folder
At hole one, the other end is extended at folder hole two, hose after folder hole one penetrates by roller limit in limiting groove, then by
Folder hole two is pierced by, and is the outlet end of hose by one end that folder hole two is pierced by.As long as energy under the premise of guaranteeing hose conveying effect
Limitation hose is moved along pump housing front-rear direction, and the depth of limiting groove is answered as small as possible.As the depth of limiting groove should be less than it is soft
The radius of pipe.
The part that the rear end of main shaft is pierced by by the trailing flank of the pump housing is connect with a motor drive, and motor drives main shaft when working
Rotation drives roller to rotate to squeeze hose around main shaft when main axis, is fed forward the liquid in hose,
Its mode for conveying liquid is identical as the mode of movement of the peristaltic pump of ordinary construction.
Hose is limited by the limiting groove that is arranged on cylindrical surface to move along pump housing front-rear direction, prevent hose mobile and
Position when working condition is deviated, to the good positioning effect of hose, guarantees effectively convey liquid when lower task.When
After the motor of driving spindle movement stops, by pressure relief can timely pressure release, prevent soft liquid in pipe from dripping.
Bearing one and bearing can be arranged on the main shaft in the Peristaltic pump head of instant-free pressure above-mentioned
Two, the leading flank of the pump chamber is equipped with the lower tray one that can be moved up and down, and the outer ring of the bearing one is fixed on lower tray one
On, the trailing flank of the pump chamber is equipped with the lower tray two that can be moved up and down, and the outer ring of the bearing two is fixed on lower tray two
On, the lower tray one moves synchronously under the action of pressure relief with lower tray two, has on the trailing flank of the pump chamber
The relief hole being pierced by for main shaft.
At work, main shaft is maintained at operating position to peristaltic pump, and main shaft and cylindrical surface are coaxially disposed at this time, is located on main shaft
The roller compression of side drives roller to rotate around main shaft when main axis on hose, passes through roller compression hose and realizes liquid
Conveying.When main shaft stalling, pressure relief work, pressure relief drive lower tray one and lower tray two synchronize move downward,
Main shaft is driven to move downward, main shaft increases at a distance from cylindrical surface, and the power that roller acts on hose becomes smaller, and makes hose pressure release.
In order to provide the bit space that allows of main shaft up and down motion, the aperture of relief hole should be greater than the diameter of main shaft, and the aperture of relief hole is less than
The outer diameter of bearing two.
It is above-mentioned can be in the Peristaltic pump head of instant-free pressure, positioned at subiculum block one on the leading flank of the pump chamber
It is equipped with retention bead one at side, retention bead two is equipped at the other side of lower tray one, in the retention bead one
With the limiting slot one extended up and down, there is the limiting slot two being oppositely arranged with limiting slot one, institute in the retention bead two
There is the sliding block one protruded into limiting slot one on the lower tray one stated and protrude into the sliding block two in limiting slot two.Limiting slot one,
Lower tray one is limited under the action of sliding block one and limiting slot two and sliding block two to move up and down.
It is above-mentioned can be in the Peristaltic pump head of instant-free pressure, the pressure relief includes being set to pump chamber trailing flank
On guide groove and the guide rod by being set to the power unit driving outside the pump housing on lower tray two, it is downward on the guide groove
It stretches, the guide rod is parallel with main shaft and connect after guide groove with power unit.
Power unit is the cylinder outside the pump housing, and the piston rod of cylinder is vertical with guide rod to be connected.When main shaft stops turning
When dynamic, the piston rod of cylinder stretches out, and guide rod is driven to move downward, so that lower tray two, lower tray one and main shaft be driven to transport downwards
Dynamic, main shaft increases at a distance from cylindrical surface, and the power that roller acts on hose becomes smaller, and makes hose pressure release.In order to guarantee power list
It is first can the downward translational motion of driving spindle, the second guide groove can be also provided on the leading flank of pump chamber, on lower tray one setting with
The second guide rod that guide groove is slidably matched.
It is above-mentioned can be in the Peristaltic pump head of instant-free pressure, the guide groove is two and is located at lower tray
At two two sides, the guide rod is two and is respectively protruding into the guide groove for setting of being corresponding to it.Lower about two tray can be improved
Stationarity when movement.
Can have on the leading flank of the pump chamber and lower tray one in the Peristaltic pump head of instant-free pressure above-mentioned
The limited block one being oppositely arranged has thereafter the limited block two with the opposite setting of lower tray two, the lower tray one on side
It is resisted against on limited block one and lower tray two is resisted against main shaft and cylindrical surface when on limited block two and is coaxially disposed.Limited block one and limit
Position block two limits the extreme higher position of main shaft.
Can have on the leading flank of the pump chamber above-mentioned and be located at lower tray in the Peristaltic pump head of instant-free pressure
The support portion one of one lower section, is equipped with spring one between the support portion one and lower tray one；Have on the trailing flank of the pump chamber
There is the support portion two for being located at lower two lower section of tray, spring two is equipped between the support portion two and lower tray two.
When power unit, which acts on the lower pressure on guide rod, to disappear, spring one drives lower tray one to reset, and spring two drives
Dynamic lower tray two resets, and main shaft is made to reset to operating position.Spring one and spring two act on the elastic force on main shaft greater than roller
To the extruding force of hose.
It is above-mentioned can be in the Peristaltic pump head of instant-free pressure, the roller is 3.According to the actual situation, one
As setting roller be 3-6, preferred embodiment is 3.
Compared with prior art, originally can instant-free pressure Peristaltic pump head have the advantage that by be arranged in circle
Limiting groove limitation hose on cylinder is moved along pump housing front-rear direction, position when preventing hose mobile and deviating working condition
It sets, to the good positioning effect of hose, guarantees effectively convey liquid when lower task；Pressure relief can realize hose
Instant pressure release prevents soft liquid in pipe from dripping.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of Peristaltic pump head provided by the utility model.
Fig. 2 is the schematic diagram of internal structure of Peristaltic pump head provided by the utility model.
Fig. 3 is the another schematic diagram of internal structure of Peristaltic pump head provided by the utility model.
Fig. 4 is the structural schematic diagram at pump chamber leading flank provided by the utility model.
Fig. 5 is the structural schematic diagram at pump chamber trailing flank provided by the utility model.
In figure, 1, the pump housing；11, folder hole one；12, folder hole two；13, cylindrical surface；14, limiting groove；15, relief hole；16, it limits
Position protrusion one；17, retention bead two；18, limiting slot one；19, limiting slot two；10, guide groove；111, limited block one；112, it limits
Block two；113, support portion one；114, support portion two；2, hose；3, main shaft；4, roller；51, bearing one；52, bearing two；61, under
Tray one；611, sliding block one；62, lower tray two；621, guide rod；71, spring one；72, spring two.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
It is as shown in Figure 1 can instant-free pressure Peristaltic pump head, including the internal pump housing 1 with pump chamber, such as Fig. 3 institute
Show, the left side of the pump housing 1 has the folder hole 1 being connected to pump chamber, and right side has the folder hole 2 12 being connected to pump chamber, such as Fig. 2 institute
The hose 2 shown is pierced by after folder hole 1 penetrates pump chamber by folder hole 2 12.As shown in Figures 2 and 3, it is equipped in pump chamber along the pump housing
The main shaft 3 that 1 front-rear direction extends, main shaft 3 are equipped with 3 around the equally distributed rollers 4 of main shaft 3, the top of pump chamber have with
The cylindrical surface 13 that main shaft 3 is coaxially disposed, as shown in figure 3, with circumferentially extending for limiting the limit of hose 2 on cylindrical surface 13
Groove 14, as shown in Fig. 2, turning to 3 top of main shaft when work (as long as the height that the height of roller is higher than main shaft thinks roller
Positioned at the top of main shaft) roller 4 be extruded on the hose 2 in limiting groove 14, between main shaft 3 and the pump housing 1 be equipped with let out
Laminated structure.
Folder hole 1 and folder hole 2 12 are located on sustained height, and folder hole 1 and the opening size of folder hole 2 12 are less than
The diameter of hose 2, hose 2 are clamped in folder hole 1 and folder hole 2 12, limit the axial movement of hose 2.Limiting groove 14
One end extend at folder hole 1, the other end extends at folder hole 2 12, and hose 2 is after folder hole 1 penetrates by roller 4
Limit is then pierced by by folder hole 2 12 in limiting groove 14, is the outlet end of hose 2 by one end that folder hole 2 12 is pierced by.In
It is moved as long as hose 2 can be limited under the premise of 2 conveying effect of hose by guaranteeing along 1 front-rear direction of the pump housing, the depth of limiting groove 14
It answers as small as possible.As the depth of limiting groove 14 should be less than the radius of hose 2.The section of limiting groove 14 is arc-shaped and and hose
2 are equipped with.
The part that the rear end of main shaft 3 is pierced by by the trailing flank of the pump housing 1 is connect with a motor drive, and master is driven when motor works
Axis 3 rotates, and drives roller 4 to rotate to squeeze hose 2 around main shaft 3 when main shaft 3 rotates, makes the liquid in hose 2
It is fed forward, the mode for conveying liquid is identical as the mode of movement of the peristaltic pump of ordinary construction.
Hose 2 is limited by the limiting groove 14 being arranged on cylindrical surface 13 to move along pump housing front-rear direction, prevents hose 2
Position when moving and deviating working condition guarantees effectively carry out liquid when lower task to the good positioning effect of hose 2
Conveying.After the motor that driving spindle 3 moves stops, by pressure relief can timely pressure release, prevent in hose 2 liquid to drip.
As shown in Figures 2 and 3, be arranged with bearing 1 and bearing 2 52 on main shaft 3, the leading flank of pump chamber be equipped with can on
The lower tray 1 of lower movement, the outer ring of bearing 1 are fixed on lower tray 1, and the trailing flank of pump chamber is equipped with can be upper and lower
The lower tray 2 62 of movement, the outer ring of bearing 2 52 are fixed on lower tray 2 62, and lower tray 1 is being let out with lower tray 2 62
It is moved synchronously under the action of laminated structure, there is the relief hole 15 being pierced by for main shaft 3 on the trailing flank of pump chamber.
At work, main shaft 3 is maintained at operating position to peristaltic pump, and main shaft 3 and cylindrical surface 13 are coaxially disposed at this time, is located at master
The roller 4 of 3 top of axis is extruded on hose 2, is driven roller 4 to rotate around main shaft 3 when main shaft 3 rotates, is squeezed by roller 4 soft
The conveying of the realization liquid of pipe 2.When main shaft 3 stalls, pressure relief work, pressure relief drives lower tray 1 and lower tray two
62 synchronize and move downward, and drive main shaft 3 to move downward, main shaft 3 increases at a distance from cylindrical surface 13, and roller 4 acts on hose 2
Power become smaller, make 2 pressure release of hose.In order to provide the bit space that allows of the up and down motion of main shaft 3, the aperture of relief hole 15 should be greater than main shaft
3 diameter, the aperture of relief hole 15 are less than the outer diameter of bearing 2 52.
As shown in figure 4, retention bead 1 is equipped on the leading flank of pump chamber at the side of subiculum block 1, under being located at
It is equipped with retention bead 2 17 at the other side of tray 1, there is the limiting slot 1 extended up and down, limit in retention bead 1
There is the limiting slot 2 19 being oppositely arranged with limiting slot 1 in position protrusion 2 17, have on lower tray 1 and protrude into limiting slot one
Sliding block 1 in 18 and protrude into the sliding block two in limiting slot 2 19.In limiting slot 1, sliding block 1 and limiting slot 2 19
It can only move up and down with lower tray 1 is limited under the action of sliding block two.
As shown in Figure 1 and Figure 5, pressure relief includes the guide groove 10 on pump chamber trailing flank and is set on lower tray 2 62
By be set to the pump housing 1 outside power unit driving guide rod 621, about 10 guide groove extension, guide rod 621 it is parallel with main shaft 3 and
It is connect after guide groove 10 with power unit.Power unit is the cylinder outside the pump housing 1, the piston rod and guide rod of cylinder
621 is vertical connected.When main shaft 3 stops operating, the piston rod of cylinder stretches out, and guide rod 621 is driven to move downward, thus under driving
Tray 2 62, lower tray 1 and main shaft 3 move downward, and main shaft 3 increases at a distance from cylindrical surface 13, and roller 4 acts on hose 2
On power become smaller, make 2 pressure release of hose.It, can be in the front side of pump chamber in order to guarantee the downward translational motion of power unit energy driving spindle 3
It is also provided with the second guide groove on face, the second guide rod being slidably matched with guide groove 10 is set on lower tray 1.
As shown in Figure 1, guide groove 10 is two and is located at the two sides of lower tray 2 62, guide rod 621 is two and divides
It does not protrude into the guide groove 10 for setting of being corresponding to it, stationarity when lower tray 2 62 moves up and down can be improved.
As shown in figure 4, there is the limited block 1 being oppositely arranged with lower tray 1, such as Fig. 5 institute on the leading flank of pump chamber
Show that there is on side thereafter the limited block 2 112 being oppositely arranged with lower tray 2 62, lower tray 1 is resisted against limited block one
On 111 and lower tray 2 62 is resisted against main shaft 3 and cylindrical surface 13 when on limited block 2 112 and is coaxially disposed, limited block 1 and limit
The extreme higher position of position 2 112 pairs of main shafts 3 of block limits.
As shown in figure 4, having the support portion 1 for being located at lower one 61 lower section of tray, support portion one on the leading flank of pump chamber
Spring 1 is equipped between 113 and lower tray 1.It is located under lower tray 2 62 as shown in figure 5, having on the trailing flank of pump chamber
The support portion 2 114 of side is equipped with spring 2 72 between support portion 2 114 and lower tray 2 62.
When power unit, which acts on the lower pressure on guide rod 621, to disappear, spring 1 drives lower tray 1 to reset, bullet
Spring 2 72 drives lower tray 2 62 to reset, and main shaft 3 is made to reset to operating position.Spring 1 and spring 2 72 act on main shaft 3
On elastic force be greater than roller 4 to the extruding force of hose 2.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (8)
1. one kind can instant-free pressure Peristaltic pump head, including the internal pump housing (1) with pump chamber, the pump housing (1)
The left and right sides is equipped with a folder hole, and a hose is pierced by after one of folder hole penetrates pump chamber by another folder hole, the pump
Intracavitary to be equipped with the main shaft (3) extended along the pump housing (1) front-rear direction, it is equal that the main shaft (3) is equipped with several circular main shafts (3)
The roller (4) of even distribution, which is characterized in that the top of the pump chamber has the cylindrical surface (13) being coaxially disposed with main shaft (3), institute
With circumferentially extending for limiting the limiting groove (14) of hose (2) on the cylindrical surface (13) stated, when work, turns to described
Roller (4) above main shaft (3) is extruded on the hose (2) in limiting groove (14), the main shaft (3) and the pump housing
(1) pressure relief for making main shaft (3) separate cylindrical surface (13) is equipped between.
2. it is according to claim 1 can instant-free pressure Peristaltic pump head, which is characterized in that the main shaft (3)
On be arranged with bearing one (51) and bearing two (52), the leading flank of the pump chamber is equipped with the lower tray one that can be moved up and down
(61), the outer ring of the bearing one (51) is fixed on lower tray one (61), and the trailing flank of the pump chamber is equipped with and can transport up and down
Dynamic lower tray two (62), the outer ring of the bearing two (52) are fixed on lower tray two (62), the lower tray one (61)
It is moved synchronously under the action of pressure relief with lower tray two (62), has on the trailing flank of the pump chamber and be pierced by for main shaft (3)
Relief hole (15).
3. it is according to claim 2 can instant-free pressure Peristaltic pump head, which is characterized in that the front side of the pump chamber
Retention bead one (16) is equipped on face at the side of subiculum block one (61), is located at the other side of lower tray one (61) and is equipped with
Retention bead two (17) has the limiting slot one (18) extended up and down, the limit convex in the retention bead one (16)
Rising has the limiting slot two (19) being oppositely arranged with limiting slot one (18) on two (17), have on the lower tray one (61) and stretch
Enter the sliding block one (611) in limiting slot one (18) and protrudes into the sliding block two in limiting slot two (19).
4. it is according to claim 2 or 3 can instant-free pressure Peristaltic pump head, which is characterized in that the pressure release
Structure include the guide groove (10) on the pump chamber trailing flank and be set on lower tray two (62) by being set to the pump housing (1) external dynamic
The guide rod (621) of power unit driving, the guide groove (10) extend up and down, and the guide rod (621) is parallel with main shaft (3) and wears
Guide groove (10) is crossed to connect with power unit afterwards.
5. it is according to claim 4 can instant-free pressure Peristaltic pump head, which is characterized in that the guide groove (10)
It for two and is located at the two sides of lower tray two (62), the guide rod (621) is two and is respectively protruding into and is corresponding to it
In the guide groove (10) of setting.
6. it is according to claim 2 can instant-free pressure Peristaltic pump head, which is characterized in that the front side of the pump chamber
There is the limited block one (111) being oppositely arranged with lower tray one (61) on face, have and lower tray two (62) phase on side thereafter
To the limited block two (112) of setting, the lower tray one (61) is resisted against on limited block one (111) and lower tray two (62) supports
Main shaft (3) and cylindrical surface (13) when on limited block two (112) are leaned against to be coaxially disposed.
7. according to claim 2 or 6 can instant-free pressure Peristaltic pump head, which is characterized in that the pump chamber
There is the support portion one (113) being located at below lower tray one (61), the support portion one (113) and lower tray one on leading flank
(61) spring one (71) is equipped between；There is the support portion two being located at below lower tray two (62) on the trailing flank of the pump chamber
(114), spring two (72) is equipped between the support portion two (114) and lower tray two (62).
8. it is according to claim 1 can instant-free pressure Peristaltic pump head, which is characterized in that the roller (4)
It is 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920339288.3U CN209671176U (en) | 2019-03-15 | 2019-03-15 | Can instant-free pressure Peristaltic pump head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920339288.3U CN209671176U (en) | 2019-03-15 | 2019-03-15 | Can instant-free pressure Peristaltic pump head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209671176U true CN209671176U (en) | 2019-11-22 |
Family
ID=68571902
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920339288.3U Expired - Fee Related CN209671176U (en) | 2019-03-15 | 2019-03-15 | Can instant-free pressure Peristaltic pump head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209671176U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085405A (en) * | 2020-01-08 | 2020-05-01 | 舜宇光学(中山)有限公司 | Oil supply device |
-
2019
- 2019-03-15 CN CN201920339288.3U patent/CN209671176U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111085405A (en) * | 2020-01-08 | 2020-05-01 | 舜宇光学(中山)有限公司 | Oil supply device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211206 Address after: 401120 1-1, 2-1, 3-1, building 5, No. 18, Cuiping Lane 2, Huixing street, Yubei District, Chongqing Patentee after: Chongqing Jinshan Medical Technology Research Institute Co.,Ltd. Address before: 401120 1 office buildings, Jinshan International Industrial City, 18 of Nei sang Road, Hui Xing street, Yubei District, Chongqing. Patentee before: CHONGQING JINSHAN MEDICAL APPLIANCE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191122 |
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| CF01 | Termination of patent right due to non-payment of annual fee |