CN203717325U - Valve block and check valve - Google Patents
Valve block and check valve Download PDFInfo
- Publication number
- CN203717325U CN203717325U CN201420061858.4U CN201420061858U CN203717325U CN 203717325 U CN203717325 U CN 203717325U CN 201420061858 U CN201420061858 U CN 201420061858U CN 203717325 U CN203717325 U CN 203717325U
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- Prior art keywords
- valve
- hand thread
- flap
- valve block
- valve seat
- 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.)
- Expired - Lifetime
Links
- 239000011148 porous material Substances 0.000 claims description 26
- 238000007789 sealing Methods 0.000 abstract description 29
- 230000000694 effects Effects 0.000 abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 14
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000003754 machining Methods 0.000 abstract description 3
- 230000005489 elastic deformation Effects 0.000 abstract 2
- 230000002411 adverse Effects 0.000 description 7
- 238000011084 recovery Methods 0.000 description 7
- 230000007774 longterm Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000004643 material aging Methods 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 239000002360 explosive Substances 0.000 description 2
- 238000010030 laminating Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002441 reversible effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035882 stress Effects 0.000 description 1
Landscapes
- Lift Valve (AREA)
Abstract
The utility model discloses a valve block used for a check valve. The valve block comprises valve clacks and a mounting column connected to the valve clacks, wherein the surfaces, for matching with a valve seat pressure tank of the check valve, of the valve clacks are inclined planes which are gradually inclined upwards from one side close to the axis of the mounting column to the other side. According to the valve block, the sealing effect can be improved by the inclined planes, when being mounted on a valve seat, the inclined planes of the valve block are stopped by the valve seat pressure tank and generate self elastic deformation, so the inclined planes and the valve seat pressure tank are completely fitted, and a communication hole sealing effect is achieved; meanwhile, by depending on the effect of the self elastic deformation, the problems of incomplete fitting and poor sealing, caused by part manufacturing machining errors can be solved; as the sealing effect of the valve block is improved, water in a low pressure area is prevented from flowing reversely, or is prevented from leaking to a high pressure area. The utility model also discloses the check valve with the valve block.
Description
Technical field
The utility model relates to stabilized pressure pump technical field, more particularly, relates to valve block and one-way valve that a kind of stabilized pressure pump is used.
Background technique
Existing stabilized pressure pump one-way valve be take Chinese patent that the disclosed application number of delta, Foshan City electrical equipment Science and Technology Ltd. is 200520052218.8 typical case the most.This patent discloses a kind of piston valve (also can be regarded as one-way valve).
The valve block of this one-way valve is flower shape, is radially partitioned into three flaps, and each pressurized water district is slightly to lower recess, and flap bottom surface is mild compared with the concave surface of pressurized water district, and each flap covers respectively on each pressurized water district.Valve block employing rubber material is made has good elasticity, after long-term use, and the material aging of valve block, tired elasticity reduces, and causes elasticity recovery power to reduce, and can not guarantee sealing effect, and sealing reliability reduces, thereby make the water adverse current of low pressure area, or the zone of high pressure that leaks.
In addition, the valve block of this piston valve is arranged on by pin on the relevant position of valve seat, and this mounting type is owing to also needing the links such as pin, so mounting process is more complicated, and is fixed by pin, unreliable, in long-term use, has the phenomenon that gets loose.
Therefore, how to improve the sealing effect of valve block, thereby prevent the water adverse current of low pressure area, or the zone of high pressure that leaks, those skilled in the art's technical problem urgently to be resolved hurrily become.
Model utility content
In view of this, the purpose of this utility model is to provide a kind of valve block, to improve the sealing effect of valve block, thereby prevents the water adverse current of low pressure area, or the zone of high pressure that leaks;
Another object of the present utility model is to provide a kind of one-way valve with above-mentioned valve block.
For achieving the above object, the utility model provides following technological scheme:
A kind of valve block, for one-way valve, comprising flap and be connected to the erection column on described flap, serves as reasons near the direction of a side direction opposite side of described erection column axis, gradually acclivitous inclined-plane in the surface that the valve seat pressure tank for described one-way valve of described flap coordinates.
Preferably, in above-mentioned valve block, described flap for being provided with the banded teeth of coaxially arranged a plurality of arcs on the surface coordinating with described valve seat pressure tank, the banded axis of tooth of described arc and the axis conllinear of described erection column.
Preferably, in above-mentioned valve block, in the direction by the axis one side direction opposite side near described erection column, the height of the banded tooth of described arc increases gradually.
Preferably, in above-mentioned valve block, the cross section of the banded tooth of described arc is triangle, and less away from a side thickness of described flap.
From above-mentioned technological scheme, can find out, the valve block that the utility model provides, its inclined-plane can improve sealing effect, when the inclined-plane of flap is installed on valve seat, be subject to stopping of valve seat pressure tank, self resiliently deformable occurs, inclined-plane and valve seat pressure tank are fitted completely, reach the effect of sealing intercommunicating pore.Meanwhile, rely on the effect of this self resiliently deformable, can make up that to manufacture the laminating that machining error causes imperfect due to part, poor sealing problem, owing to having improved the sealing effect of valve block, thereby has prevented the water adverse current of low pressure area, or the zone of high pressure that leaks.
An one-way valve, comprises valve block and valve seat, and described valve block is the as above valve block described in any one.
Preferably, in above-mentioned one-way valve, described erection column comprises:
The positive stop lug boss being connected with described flap;
The pull bar post being connected with described positive stop lug boss, the diameter of described pull bar post is less than the diameter of described positive stop lug boss;
With the left-hand thread boss that described pull bar post is connected, the cross sectional area of described left-hand thread boss is greater than the cross sectional area of described pull bar post;
On described valve seat, offer intercommunicating pore, and the valve seat pressure tank, spacing counterbore, tie rod hole and the left-hand thread groove that are communicated with successively, described intercommunicating pore is opened in described valve seat pressure tank, described valve seat pressure tank coordinates with described flap, described positive stop lug boss coordinates with described spacing counterbore, described pull bar post coordinates with described tie rod hole, and described left-hand thread boss coordinates with described left-hand thread groove;
The length of described pull bar post is less than the length of described tie rod hole.
Preferably, in above-mentioned one-way valve, described left-hand thread boss coordinates with described left-hand thread channel profile.
Preferably, in above-mentioned one-way valve, described left-hand thread boss comprises left-hand thread cylinder and is arranged at a plurality of fins on the cylndrical surface of described left-hand thread cylinder, and described fin is axial arranged along described left-hand thread cylinder.
Preferably, in above-mentioned one-way valve, described fin is three, and is evenly arranged along the cylndrical surface of described left-hand thread cylinder.
Preferably, in above-mentioned one-way valve, described flap is three, and radially distributes, and between adjacent two flaps, has interval trough;
On described valve seat, be provided with at least and coordinate with interval trough described in one of them, for the anti-rotation boss that prevents that described valve block from circumferentially rotating.
From above-mentioned technological scheme, can find out, the one-way valve that the utility model provides, the length of pull bar post is less than the length of tie rod hole, pull bar post one end is positive stop lug boss, the other end is left-hand thread boss, is when reaching valve block and pack valve seat into, and pull bar post produces reverse reverting power after due to resiliently deformable.Make positive stop lug boss be close to the effect of spacing counterbore bottom.Now, flap is close to valve seat pressure tank owing to being subject to the elastic force effect of self-deformation, and then sealing intercommunicating pore.
The utility model has been abandoned the fixedly mode of valve block of available technology adopting pin, but produce elastic force after installing by its pull bar post, thereby increased the elasticity recovery power of valve block, also made flap be close to accurately on intercommunicating pore, reached the effect of better sealing intercommunicating pore.When long-term work, after the material aging of one-way valve, fatigue, contraction, cause elasticity to reduce, and this elastic recovery elastic force can guarantee sealing effect all the time.Flap of the present utility model reliably and has accurately completed sealing function, thereby has guaranteed the one-way sealing function of one-way valve.In addition, this one-way valve has also reduced part manufacturing precision from structure, improves part production and processing efficiency.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The explosive view of the one-way valve that Fig. 1 provides for the utility model embodiment;
The structural representation of the valve block that Fig. 2 provides for the utility model embodiment;
The structural representation that removes the one-way valve after flap that Fig. 3 provides for the utility model embodiment;
Fig. 4 is the partial enlarged drawing of A in Fig. 3;
The plan view of the one-way valve that Fig. 5 provides for the utility model embodiment;
Fig. 6 is that Fig. 5 is along the sectional view of A-A line;
The sectional view of the one-way valve under the closed condition that Fig. 7 provides for the utility model embodiment;
The sectional view of the one-way valve under the open mode that Fig. 8 provides for the utility model embodiment;
The structural representation of the valve block that Fig. 9 provides for another embodiment of the utility model.
Wherein:
100 is valve block, and 101 is flap, and 102 is inclined-plane, and 103 is positive stop lug boss, and 104 is pull bar post, and 105 is left-hand thread boss, and 106 is the banded tooth of arc;
200 is valve seat, and 201 is intercommunicating pore, and 202 is valve seat pressure tank, and 203 is spacing counterbore, and 204 is tie rod hole, and 205 is left-hand thread groove, and 206 is anti-rotation boss.
Embodiment
Core of the present utility model is to provide a kind of valve block, to improve the sealing effect of valve block, thereby prevents the water adverse current of low pressure area, or the zone of high pressure that leaks;
Another core of the present utility model is to provide a kind of one-way valve with above-mentioned valve block.
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 2, the structural representation of the valve block that Fig. 2 provides for the utility model embodiment.
The valve block that the utility model embodiment provides, for one-way valve (being stabilized pressure pump one-way valve), comprise flap 101 and be connected to the erection column on flap 101, serve as reasons near the direction of a side direction opposite side of erection column axis, gradually acclivitous inclined-plane 102 in the surface for coordinating with valve seat pressure tank of flap 101.Further, in the direction by the side direction opposite side near erection column axis of flap 101, thickness reduces gradually.
The valve block that the utility model provides, inclined-plane 102 can improve sealing effect, when the inclined-plane 102 of flap is installed on valve seat, be subject to stopping of valve seat pressure tank, self resiliently deformable occurs, and fits completely with valve seat pressure tank in inclined-plane 102, reaches the effect of sealing intercommunicating pore 201.Meanwhile, rely on the effect of this self resiliently deformable, can make up that to manufacture the laminating that machining error causes imperfect due to part, poor sealing problem, owing to having improved the sealing effect of valve block 100, thereby has prevented the water adverse current of low pressure area, or the zone of high pressure that leaks.
Refer to Fig. 9, the structural representation of the valve block that Fig. 9 provides for another embodiment of the utility model.
In the utility model one specific embodiment, on the surface coordinating with valve seat pressure tank of flap 101 (being inclined-plane 102), be provided with the banded tooth 106 of coaxially arranged a plurality of arcs, the banded axis of tooth 106 of arc and the axis conllinear of erection column, and in the direction by the side direction opposite side near erection column axis, the height of the banded tooth 106 of arc increases gradually, can further avoid like this current adverse current of pressurized water district.
As shown in Figure 9, the banded tooth 106 of arc is the banded toothing extending along circular arc line, and the banded tooth 106 of arc on flap 101 is a plurality of, and the banded tooth 106 of a plurality of arcs is coaxially arranged.Preferably, the distance between the banded tooth 106 of two arcs of arbitrary neighborhood equates, it should be noted that, equates not to refer to absolute equating, allows to exist certain foozle.
In the utility model one specific embodiment, the cross section of the banded tooth 106 of arc is triangle, and less away from a side thickness of flap 101.In addition, the cross section of the banded tooth 106 of arc also can be other shape, is circular arc etc. such as trapezoidal, top.
Refer to Fig. 1, Fig. 3-Fig. 6, the explosive view of the one-way valve that Fig. 1 provides for the utility model embodiment; The structural representation that removes the one-way valve after flap that Fig. 3 provides for the utility model embodiment; Fig. 4 is the partial enlarged drawing of A in Fig. 3; The plan view of the one-way valve that Fig. 5 provides for the utility model embodiment; Fig. 6 is that Fig. 5 is along the sectional view of A-A line.
The one-way valve that the utility model embodiment provides, comprises valve block 100 and valve seat 200.
Valve block 100 comprises flap 101 and erection column, and erection column comprises positive stop lug boss 103, pull bar post 104 and left-hand thread boss 105.
Wherein, flap 101 is the critical piece of valve block 100, and for the intercommunicating pore 201 on seal valve seat 200, during intercommunicating pore 201 on seal valve seat 200, one-way valve is in closed condition, during intercommunicating pore 201 on departing from valve seat 200, and one-way valve opens closed condition.
Positive stop lug boss 103, pull bar post 104 and left-hand thread boss 105 are for realizing the installation of flap 101, and flap 101 is arranged on valve seat 200 by positive stop lug boss 103, pull bar post 104 and left-hand thread boss 105.
Positive stop lug boss 103 is connected with flap 101, and pull bar post 104 is connected with positive stop lug boss 103, and left-hand thread boss 105 is connected with pull bar post 104.Positive stop lug boss 103, pull bar post 104 and left-hand thread boss 105 are connected to other direction successively by flap 101.
The diameter of pull bar post 104 is less than the diameter of positive stop lug boss 103, and the cross sectional area of left-hand thread boss 105 is greater than the cross sectional area of pull bar post 104.
On valve seat 200, offer intercommunicating pore 201, and the valve seat pressure tank 202, spacing counterbore 203, tie rod hole 204 and the left-hand thread groove 205 that are communicated with successively, intercommunicating pore 201 is opened in valve seat pressure tank 202, valve seat pressure tank coordinates with flap 101, because intercommunicating pore 201 is opened in valve seat pressure tank 202, so flap 101 can seal up intercommunicating pore 201.Positive stop lug boss 103 coordinates with spacing counterbore 203, and pull bar post 104 coordinates with tie rod hole 204, and left-hand thread boss 105 coordinates with left-hand thread groove 205.
Because the diameter of pull bar post 104 is less than the diameter of positive stop lug boss 103, the cross sectional area of left-hand thread boss 105 is greater than the cross sectional area of pull bar post 104, and the length of pull bar post 104 is less than the length of tie rod hole 204, so under the positioning action of positive stop lug boss 103 and left-hand thread boss 105, pull bar post 104 is elongated and deformed, produce elastic force, positive stop lug boss 103 and flap 101 are pulled down, thereby make flap 101 seal up intercommunicating pore 201.
The one-way valve that the utility model provides, the length of pull bar post 104 is less than the length of tie rod hole 204, and pull bar post 104 one end are positive stop lug boss 103, and the other end is left-hand thread boss 105, be when reaching valve block 100 and pack valve seat 200 into, pull bar post 104 is owing to producing reverse reverting power after resiliently deformable.Make positive stop lug boss 103 be close to the effect of spacing counterbore 203 bottoms.Now, flap 101 is close to valve seat pressure tank 202 owing to being subject to the elastic force effect of self-deformation, and then sealing intercommunicating pore 201.
The utility model has been abandoned the fixedly mode of valve block of available technology adopting pin, but produce elastic force after installing by its pull bar post 104, thereby increased the elasticity recovery power of valve block 100, also made flap 101 be close to accurately on intercommunicating pore 201, reached the effect of better sealing intercommunicating pore 201.When long-term work, after the material aging of one-way valve, fatigue, contraction, cause elasticity to reduce, and this elastic recovery elastic force can guarantee sealing effect all the time.Flap 101 of the present utility model reliably and has accurately completed sealing function, thereby has guaranteed the one-way sealing function of one-way valve.In addition, this one-way valve has also reduced part manufacturing precision from structure, improves part production and processing efficiency.
As shown in Figure 7, the water pressure F1 extruding when intercommunicating pore 201 is less than when the elasticity recovery power F2 of flap 101, and flap 101 sealing intercommunicating pores 201, form hermetically closing state.
As shown in Figure 8, when the water pressure F1 that intercommunicating pore 201 is extruded is greater than the elasticity recovery power F2 of flap 101, flap 101 is promoted upwards to open by water pressure F1, forms sealing open mode.
As shown in Figure 1, in the utility model one specific embodiment, flap 101 is three, and radially distributes, and between adjacent two flaps 101, has interval trough.Three flaps 101 of the utility model design are to adapt with the structure of one-way valve, and the bound fraction of three flaps 101 is connected with positive stop lug boss 103.
As shown in Figure 5, in the utility model one specific embodiment, on valve seat 200, be provided with at least and coordinate with one of them interval trough, for the anti-rotation boss 206 that prevents that valve block 100 from circumferentially rotating.When valve block 100 is installed, one of them interval trough matches with this anti-rotation boss 206.When can effectively avoid valve block 100 work during long-term use and installing, produce rotary shiftedly, cause flap 101 can not seal corresponding intercommunicating pore 201 and cause seal leakage problem, while installing, there is error-disable function simultaneously.
In the utility model one specific embodiment, left-hand thread boss 105 coordinates with left-hand thread groove 205 profiles, it is to adopt the hole axle of noncircular cross section to coordinate that profile coordinates, thereby left-hand thread boss 105 and left-hand thread groove 205 can not be relatively rotated, when can further avoid valve block 100 work and installing, produce rotary shifted, cause flap 101 can not seal corresponding intercommunicating pore 201 and cause seal leakage problem, while installing, there is error-disable function simultaneously.
In the utility model one specific embodiment, left-hand thread boss 105 comprises left-hand thread cylinder and is arranged at a plurality of fins on the cylndrical surface of left-hand thread cylinder, and fin is axial arranged along left-hand thread cylinder, i.e. the parallel to an axis of fin and left-hand thread cylinder.Fin is preferably three, and is evenly arranged along the cylndrical surface of left-hand thread cylinder.It should be noted that, the quantity of fin also can be one or more, and in addition, the cross section of left-hand thread boss 105 also can be polygonal or ellipse etc.
In this specification, each embodiment adopts the mode of going forward one by one to describe, and each embodiment stresses is the difference with other embodiments, between each embodiment identical similar part mutually referring to.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To these embodiments' multiple modification, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (10)
1. a valve block, for one-way valve, comprise flap and be connected to the erection column on described flap, it is characterized in that, serve as reasons near the direction of a side direction opposite side of described erection column axis, gradually acclivitous inclined-plane in the surface that the valve seat pressure tank (202) for described one-way valve of described flap (101) coordinates.
2. valve block as claimed in claim 1, it is characterized in that, described flap (101) for being provided with the banded teeth (106) of coaxially arranged a plurality of arcs, the axis of the banded tooth of described arc (106) and the axis conllinear of described erection column on the surface coordinating with described valve seat pressure tank (202).
3. valve block as claimed in claim 2, is characterized in that, in the direction by the axis one side direction opposite side near described erection column, the height of the banded tooth of described arc (106) increases gradually.
4. valve block as claimed in claim 2, is characterized in that, the cross section of the banded tooth of described arc (106) is triangle, and less away from a side thickness of described flap (101).
5. an one-way valve, comprises valve block (100) and valve seat (200), it is characterized in that, described valve block (100) is the valve block as described in claim 1-4 any one.
6. one-way valve as claimed in claim 5, is characterized in that, described erection column comprises:
The positive stop lug boss (103) being connected with described flap (101);
The pull bar post (104) being connected with described positive stop lug boss (103), the diameter of described pull bar post (104) is less than the diameter of described positive stop lug boss (103);
The left-hand thread boss (105) being connected with described pull bar post (104), the cross sectional area of described left-hand thread boss (105) is greater than the cross sectional area of described pull bar post (104);
On described valve seat (200), offer intercommunicating pore (201), and the valve seat pressure tank (202), spacing counterbore (203), tie rod hole (204) and the left-hand thread groove (205) that are communicated with successively, described intercommunicating pore (201) is opened in described valve seat pressure tank (202), described valve seat pressure tank coordinates with described flap (101), described positive stop lug boss (103) coordinates with described spacing counterbore (203), described pull bar post (104) coordinates with described tie rod hole (204), and described left-hand thread boss (105) coordinates with described left-hand thread groove (205);
The length of described pull bar post (104) is less than the length of described tie rod hole (204).
7. one-way valve as claimed in claim 6, is characterized in that, described left-hand thread boss (105) coordinates with described left-hand thread groove (205) profile.
8. one-way valve as claimed in claim 7, is characterized in that, described left-hand thread boss (105) comprises left-hand thread cylinder and be arranged at a plurality of fins on the cylndrical surface of described left-hand thread cylinder, and described fin is axial arranged along described left-hand thread cylinder.
9. one-way valve as claimed in claim 8, is characterized in that, described fin is three, and is evenly arranged along the cylndrical surface of described left-hand thread cylinder.
10. one-way valve as claimed in claim 5, is characterized in that, described flap (101) is three, and radially distributes, and between adjacent two flaps (101), has interval trough;
On described valve seat (200), be provided with at least and coordinate with interval trough described in one of them, for the anti-rotation boss (206) that prevents that described valve block (100) from circumferentially rotating.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420061858.4U CN203717325U (en) | 2014-02-11 | 2014-02-11 | Valve block and check valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201420061858.4U CN203717325U (en) | 2014-02-11 | 2014-02-11 | Valve block and check valve |
Publications (1)
Publication Number | Publication Date |
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CN203717325U true CN203717325U (en) | 2014-07-16 |
Family
ID=51156485
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201420061858.4U Expired - Lifetime CN203717325U (en) | 2014-02-11 | 2014-02-11 | Valve block and check valve |
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CN (1) | CN203717325U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104832423A (en) * | 2014-02-11 | 2015-08-12 | 珠海凯邦电机制造有限公司 | Valve piece and one-way valve |
CN110523907A (en) * | 2019-09-19 | 2019-12-03 | 重庆青山工业有限责任公司 | Staking pipette tips |
-
2014
- 2014-02-11 CN CN201420061858.4U patent/CN203717325U/en not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104832423A (en) * | 2014-02-11 | 2015-08-12 | 珠海凯邦电机制造有限公司 | Valve piece and one-way valve |
CN110523907A (en) * | 2019-09-19 | 2019-12-03 | 重庆青山工业有限责任公司 | Staking pipette tips |
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CX01 | Expiry of patent term |
Granted publication date: 20140716 |