CN212189845U - Automatic sealant beating mechanism for valve threaded connection part - Google Patents
Automatic sealant beating mechanism for valve threaded connection part Download PDFInfo
- Publication number
- CN212189845U CN212189845U CN202020425140.4U CN202020425140U CN212189845U CN 212189845 U CN212189845 U CN 212189845U CN 202020425140 U CN202020425140 U CN 202020425140U CN 212189845 U CN212189845 U CN 212189845U
- Authority
- CN
- China
- Prior art keywords
- workbench
- placing
- valve
- axle
- block
- 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 - Fee Related
Links
- 230000007246 mechanism Effects 0.000 title claims abstract description 27
- 238000010009 beating Methods 0.000 title claims abstract description 24
- 239000000565 sealant Substances 0.000 title claims description 15
- 238000004026 adhesive bonding Methods 0.000 claims description 27
- 238000010438 heat treatment Methods 0.000 claims description 20
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000003292 glue Substances 0.000 abstract description 35
- 238000000034 method Methods 0.000 abstract description 10
- 239000000243 solution Substances 0.000 description 19
- 238000007789 sealing Methods 0.000 description 8
- 238000012856 packing Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 125000003003 spiro group Chemical group 0.000 description 3
- 230000009471 action Effects 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Landscapes
- Lift Valve (AREA)
Abstract
The utility model provides a valve threaded connection department is sealed glues automatic mechanism of beating belongs to the valve field. The novel glue filling machine comprises a workbench, wherein two hollow placing shafts which are opposite to each other are arranged on the workbench, the placing shafts are rotatably connected with the workbench, a transverse moving plate capable of reciprocating along the horizontal direction of the workbench is further arranged on the workbench, the moving direction of the transverse moving plate is parallel to the planes of the central lines of the two placing shafts, a transverse moving block is movably connected onto the transverse moving plate, the transverse moving block can reciprocate along the horizontal direction so as to be close to or far away from the placing shafts, the moving direction of the transverse moving block is perpendicular to that of the transverse moving plate, and a glue filling needle is arranged on the transverse moving block. Its advantage is beating the gluey needle and is beating the gluey in-process, makes the epaxial thread line of screw valve can both be laid the glue solution through placing the axle rotation, and two place the axle and work in turn round and round, not only increase the leakproofness of valve screw axle and still improve work efficiency.
Description
Technical Field
The utility model belongs to the valve field especially relates to a valve thread connection department is sealed glues automatic mechanism of gluing.
Background
When assembling the valve, in order to increase the leakproofness of valve, need carry out sealing work to each part in the valve, on the screw thread axle that is used for the valve, establish the sealing washer cover on this screw thread axle, thereby make and seal through the sealing washer that compresses tightly between this screw thread axle and the valve body, but the sealing washer is ageing easily, and the sealing washer can only seal the thread line of one deck or few layer, lose sealed effect easily, if all be equipped with the glue solution that is used for sealing on every layer of thread line at the screw thread axle, after screw thread axle screw in valve body, the thread line of each layer all has the sealing action, can improve the leakproofness greatly, in current technique of gluing, also have and can set up the mechanism of gluing on the screw thread axle with the glue solution, but often can only glue the operation to single screw thread axle, work efficiency is lower.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, a sealed automatic mechanism of gluing of valve threaded connection department is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a valve threaded connection department is sealed glues automatic mechanism of beating, includes the workstation, the workstation on be equipped with two mutual opposition and the hollow axle of placing, the axle of placing rotate with the workstation and be connected, the workstation on still be equipped with the sideslip board that can be along workstation horizontal direction reciprocating motion, the moving direction and two planes that place the central line place of axle be parallel of sideslip board, the sideslip board on still swing joint have a sideslip piece, thereby the sideslip piece can be close to or keep away from along horizontal direction reciprocating motion and place the axle, just the moving direction of sideslip piece perpendicular with the moving direction of sideslip board, the sideslip piece on be equipped with and beat the needle of gluing.
In the automatic sealant beating mechanism for the threaded connection part of the valve, the transverse moving block is rotatably connected with a beating needle.
In the automatic mechanism of gluing of sealed glue of foretell valve threaded connection department, the needle of gluing be connected with the angle pole, angle pole and sideslip piece rotate to be connected, the sideslip piece in be equipped with the adjustment groove that sets up along vertical direction, adjustment inslot swing joint have the adjustment block, the adjustment block in the spiro union have a locking spindle, the locking spindle extend the adjustment groove along the horizontal direction, the angle pole on run through and to have a movable groove, the locking spindle run through the movable groove, just the locking spindle keep away from the tip of adjustment block and be equipped with the locking block that offsets with the angle pole.
In the automatic mechanism of gluing of sealed glue of foretell valve thread connection department, the workstation on rotate and be connected with two and place the base axle of axle one-to-one, the base axle with correspond place the detachable joint of axle.
In the automatic sealant beating mechanism at the threaded connection part of the valve, the base shaft is in threaded connection with the corresponding placing shaft, and the outer surface of the placing shaft is fixedly provided with a screwing nut.
In the automatic mechanism of beating of sealed glue of foretell valve threaded connection department, the epaxial chamber of placing be equipped with, the chamber of placing be kept away from the end connection that the workstation was kept away from have the round rubber packing ring of placing the chamber port setting.
In the automatic sealant beating mechanism for the threaded connection part of the valve, the inner wall of the rubber gasket is inclined, and the outer end surface to the inner end surface of the rubber gasket extend downwards towards the direction close to the workbench.
In the automatic sealant beating mechanism at the threaded connection part of the valve, the side edge of each placing shaft is also provided with a heating rod arranged on the workbench.
In the automatic mechanism of beating of gluing of sealed glue of foretell valve threaded connection department, the workstation on still be equipped with two frame plates, the top of frame plate be equipped with the frame groove of placing along vertical direction, the heating rod on be equipped with two tight rings, at least one tight ring and heating rod spiro union have, two tight rings are located the both sides in the frame groove that corresponds respectively and offset with the frame plate.
In the automatic sealant beating mechanism for the threaded connection part of the valve, the bottom of the frame plate is also provided with a transverse moving groove which is arranged along the horizontal direction of the workbench, a bolt is movably connected in the transverse moving groove, and the bolt is in threaded connection with the workbench.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses a well have two pivoted and place the axle, still have and to glue the needle and remove to and place the sideslip board that the axle corresponds the position and can be close to or keep away from the sideslip piece of placing the axle, be equipped with on the sideslip piece and glue the needle, glue the in-process at gluing the needle, can both lay the glue solution through placing the epaxial thread line of the rotatory messenger screw valve of axle, and two places the round and repeated work in turn of axle, not only increase the leakproofness of valve screw axle and still improve work efficiency.
2. The utility model discloses a well sideslip piece is connected with gluing the needle rotation, can glue the angle of needle according to the altitude mixture control of the epaxial thread of different valve screw, makes to glue the top to aiming at the thread of valve screw axle, increases the variety.
3. The utility model discloses a frame plate can be along workstation horizontal direction adjustment position, and the heating rod can adjust the position on the frame plate along vertical direction, can adapt to the height and the thickness degree of different valve screw shafts, increases the variety.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic cross-sectional view at the placement of the shaft;
fig. 3 is a schematic cross-sectional view at an angle bar.
In the figure: the device comprises a workbench 10, a placing shaft 11, a transverse moving plate 12, a transverse moving block 13, a gluing needle 14, an angle rod 15, an adjusting groove 16, an adjusting block 17, a locking shaft 18, a movable groove 19, a locking block 20, a base shaft 21, a screwing nut 22, a placing cavity 23, a rubber gasket 24, a heating rod 25, a frame plate 26, a frame groove 27, a fastening ring 28, a transverse moving groove 29 and a bolt 30.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1-3, an automatic sealant-dispensing mechanism for a threaded connection of a valve, 1, includes a table 10, the table 10 is provided with two hollow shafts 11 disposed opposite to each other, the shafts 11 are rotatably connected to the table 10, the table 10 is further provided with a traverse plate 12 capable of reciprocating along the horizontal direction of the table 10, the moving direction of the traverse plate 12 is parallel to the plane where the center lines of the two shafts 11 are disposed, the traverse plate 12 is further movably connected with a traverse block 13, the traverse block 13 can reciprocate along the horizontal direction to be close to or far away from the shafts 11, the moving direction of the traverse block 13 is perpendicular to the moving direction of the traverse plate 12, and the traverse block 13 is provided with a dispensing needle 14.
The utility model discloses in, sideslip piece 13 and sideslip board 12 all are connected with a cylinder or the hydro-cylinder of setting in workstation 10, it is connected with the ware of gluing to beat gluey needle 14, it can jet out the glue solution through gluing needle 14 to beat gluey ware, place a valve screw axle on placing axle 11, sideslip board 12 will beat gluey needle 14 along workstation 10 horizontal direction and remove to the position that corresponds with placing axle 11, because the moving direction of sideslip piece 13 is perpendicular with the moving direction of sideslip board 12, sideslip piece 13 will beat gluey needle 14 along the horizontal direction and be close to placing axle 11 after, place axle 11 and rotate after that, make valve screw axle rotate, in the rotation process, the glue solution is injected on valve screw axle through beating gluey needle 14, along with the rotation of valve screw axle make the glue solution can be even put on valve screw axle's thread line, after injecting the glue solution to this valve screw axle, the staff takes off the valve screw axle that injects with the hand and place new valve screw axle at another and place a valve screw axle And 11, repeating the injection process, and after the injected valve threaded shaft is placed, injecting glue solution into the other valve threaded shaft to alternately work in cycles, so that the sealing performance of the valve threaded shaft is improved, and the working efficiency is also improved.
The traversing block 13 is rotatably connected with a gluing needle 14.
The utility model discloses in, at 14 injection glue solutions in-process of beating the gluey needle, be with the glue solution injection at the top of valve screw thread axle thread, on the glue solution downward flow extended to the thread of downside, placed the valve screw thread axle that can place the different grade type on the axle 11, the thread height length of the valve screw thread axle of different grade type is all different, thereby beat gluey needle 14 and sideslip piece 13 rotate and can make and beat the top of gluing 14 alignment valve screw thread axle thread, increase the variety.
The gluing machine is characterized in that the gluing needle 14 is connected with an angle rod 15, the angle rod 15 is rotatably connected with the transverse moving block 13, an adjusting groove 16 arranged along the vertical direction is formed in the transverse moving block 13, an adjusting block 17 is movably connected in the adjusting groove 16, a locking shaft 18 is screwed in the adjusting block 17, the locking shaft 18 extends out of the adjusting groove 16 along the horizontal direction, a movable groove 19 penetrates through the angle rod 15, the locking shaft 18 penetrates through the movable groove 19, and a locking block 20 abutted against the angle rod 15 is arranged at the end part, far away from the adjusting block 17, of the locking shaft 18.
The utility model discloses in, at the angle in-process of adjustment needle 14 of gluing, withhold and rotate locking piece 20 with the spanner, make locking shaft 18 screw out one section distance of adjusting block 17, make angle pole 15 not blocked by sideslip piece 13 and locking block 20, turned angle pole 15 and lift adjusting block 17, make needle 14 of gluing rotate to the valve thread axle of suitable angle in order to adapt to the different grade type, rotate locking block 20 after that, make 18 screw in adjusting block 17 of locking shaft, thereby make angle pole 15 blocked between locking block 20 and sideslip piece 13.
The utility model discloses in, the thickness degree of the valve screw axle of different grade type is different, when changing the valve screw axle of different thickness, to base axle 21 with place axle 11 and dismantle and will be suitable place axle 11 joint on base axle 21, in addition, every base axle 21 is connected with the rotation motor that sets up in workstation 10, rotates motor work and makes base axle 21 take and place axle 11 and rotate.
The base shaft 21 is in threaded connection with the corresponding placing shaft 11, and a screwing nut 22 is fixedly arranged on the outer surface of the placing shaft 11.
The utility model discloses in, when dismantling base axle 21 and placing axle 11, withhold and rotate with the spanner and twist nut 22, it is stop work to rotate the motor this moment, makes and places axle 11 and unscrew base axle 21 and replace suitable base axle 21.
The placing shaft 11 is internally provided with a placing cavity 23, and the end part of the placing cavity 23 far away from the workbench 10 is connected with a ring of rubber gaskets 24 arranged around the port of the placing cavity 23.
The utility model discloses in, rubber packing ring 24 has two effects, one of which, place at the valve screw axle place on placing axle 11 and place axle 11 and rotate and drive the valve screw axle and rotate the in-process, can increase the valve screw axle through rubber packing ring 24 and place the frictional force of axle 11, prevent that the valve screw axle from skidding, its two, place the valve screw axle when placing axle 11, rubber packing ring 24 provides cushioning effect, prevent to place axle 11 and valve screw axle direct impact damage valve screw axle or place axle 11.
The inner wall of the rubber gasket 24 is inclined, and the outer end surface to the inner end surface of the rubber gasket 24 extend downwards towards the direction close to the workbench 10.
The utility model discloses in, the inner wall of 24 slopes of rubber packing ring all with the contact of valve screw axle, the area of contact of increase rubber packing ring 24 and valve screw axle, and can also prevent through the inner wall of 24 slopes of rubber packing ring that the valve screw axle from rocking.
Each placing shaft 11 also has a heating rod 25 provided on the table 10 at a side thereof.
The utility model discloses in, when beating gluey needle 14 and injecting the glue solution on the valve screw is epaxial, heating rod 25 heating valve screw makes the glue solution can flow downwards smoothly and be covered with the thread, prevents that the glue solution from solidifying in advance.
The workbench 10 is further provided with two frame plates 26, the top of each frame plate 26 is provided with a frame groove 27 arranged along the vertical direction, the heating rod 25 is provided with two fastening rings 28, at least one fastening ring 28 is in threaded connection with the heating rod 25, and the two fastening rings 28 are respectively positioned on two sides of the corresponding frame groove 27 and abut against the frame plates 26.
The utility model discloses in, the high length of the thread line of the valve screw shaft of different grade type is all different, and the heating rod 25 will aim at the moderate position of valve screw shaft and just can better heating glue solution, and when the height of adjustment heating rod 25, rotate and the tight circle 28 of heating rod 25 spiro union, make two tight circles 28 and frame plate 26 break away from the connection, remove suitable position along frame groove 27 with heating rod 25, make two tight circles 28 be close to again and press from both sides tightly on frame plate 26.
The bottom of the frame plate 26 is further provided with a traverse groove 29 arranged along the horizontal direction of the workbench 10, a bolt 30 is movably connected in the traverse groove 29, and the bolt 30 is in threaded connection with the workbench 10.
The utility model discloses in, the thickness degree of the valve screw axle of different grade type is different, screws out the horizontal position that bolt 30 adjusted frame plate 26 with the spanner, prevents the contact of heating rod 25 and valve screw axle.
The utility model discloses a theory of operation does: placing a valve threaded shaft on a placing shaft 11, moving a gluing needle 14 to a position corresponding to the placing shaft 11 along the horizontal direction of a worktable 10 by a traverse block 12, enabling the gluing needle 14 to be close to the placing shaft 11 along the horizontal direction by the traverse block 13 as the moving direction of the traverse block 13 is vertical to the moving direction of the traverse block 12, enabling the valve threaded shaft to rotate as the traverse block 13 moves, injecting glue solution on the valve threaded shaft through the gluing needle 14 in the rotating process, enabling the glue solution to be uniformly placed on a thread line of the valve threaded shaft along with the rotation of the valve threaded shaft, after the glue solution is injected on the valve threaded shaft, taking down the injected valve threaded shaft by a hand and placing a new valve threaded shaft on another placing shaft 11 by the hand of a worker, repeating the injecting process, and after the injected valve threaded shaft is placed, injecting the glue solution on the other valve threaded shaft, the repeated alternate work not only increases the leakproofness of valve screw thread axle but also improves work efficiency.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms of the table 10, the placing shaft 11, the traverse plate 12, the traverse block 13, the gluing needle 14, the angle bar 15, the adjusting groove 16, the adjusting block 17, the locking shaft 18, the movable groove 19, the locking block 20, the base shaft 21, the driving nut 22, the placing cavity 23, the rubber washer 24, the heating rod 25, the shelf plate 26, the shelf groove 27, the fastening ring 28, the traverse groove 29, the bolt 30, etc., are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (10)
1. An automatic sealant beating mechanism for a valve threaded joint comprises a workbench (10), it is characterized in that the workbench (10) is provided with two hollow placing shafts (11) which are opposite to each other, the placing shaft (11) is rotationally connected with the workbench (10), the workbench (10) is also provided with a traverse moving plate (12) which can reciprocate along the horizontal direction of the workbench (10), the moving direction of the traverse moving plate (12) is parallel to the plane where the center lines of the two placing shafts (11) are positioned, the traverse motion plate (12) is also movably connected with a traverse motion block (13), the traverse motion block (13) can reciprocate along the horizontal direction to be close to or far away from the placing shaft (11), and the moving direction of the transverse moving block (13) is vertical to the moving direction of the transverse moving plate (12), and the transverse moving block (13) is provided with a gluing needle (14).
2. The automatic sealant-injecting mechanism for threaded joints of valves according to claim 1, wherein the traverse block (13) is rotatably connected to the injection needle (14).
3. The automatic sealant beating mechanism for the threaded connection part of the valve according to claim 1 or 2, characterized in that the beating needle (14) is connected with an angle rod (15), the angle rod (15) is rotatably connected with a traverse block (13), an adjusting groove (16) arranged along the vertical direction is arranged in the traverse block (13), an adjusting block (17) is movably connected in the adjusting groove (16), a locking shaft (18) is screwed in the adjusting block (17), the locking shaft (18) extends out of the adjusting groove (16) along the horizontal direction, a movable groove (19) penetrates through the angle rod (15), the locking shaft (18) penetrates through the movable groove (19), and a locking block (20) abutted against the angle rod (15) is arranged at the end part of the locking shaft (18) far away from the adjusting block (17).
4. The automatic sealant gluing mechanism for the threaded joints of the valves according to claim 1, wherein the workbench (10) is rotatably connected with two base shafts (21) which correspond to the placing shafts (11) one by one, and the base shafts (21) are detachably clamped with the corresponding placing shafts (11).
5. The automatic sealant beating mechanism for the threaded connection part of the valve according to claim 4, characterized in that the base shaft (21) is screwed with the corresponding placing shaft (11), and a screwing nut (22) is fixedly arranged on the outer surface of the placing shaft (11).
6. The automatic sealant beating mechanism for the threaded connection part of the valve according to claim 1, characterized in that a placing cavity (23) is arranged in the placing shaft (11), and a ring of rubber gasket (24) arranged around the port of the placing cavity (23) is connected to the end part of the placing cavity (23) far away from the workbench (10).
7. The automatic sealant-injecting mechanism for threaded joints of valves according to claim 6, wherein the inner wall of the rubber gasket (24) is inclined, and the outer end surface to the inner end surface of the rubber gasket (24) extend downward toward the working table (10).
8. The automatic sealant beating mechanism for the threaded joints of the valves as claimed in claim 1, characterized in that the side of each placing shaft (11) is further provided with a heating rod (25) arranged on the workbench (10).
9. The automatic sealant beating mechanism for the threaded connection part of the valve according to claim 8, wherein the workbench (10) is further provided with two frame plates (26), the top of each frame plate (26) is provided with a frame groove (27) arranged along the vertical direction, the heating rod (25) is provided with two fastening rings (28), at least one fastening ring (28) is in threaded connection with the heating rod (25), and the two fastening rings (28) are respectively positioned at two sides of the corresponding frame groove (27) and abut against the frame plates (26).
10. The automatic sealant gluing mechanism for the threaded joints of the valves as claimed in claim 9, wherein the bottom of the frame plate (26) is further provided with a traverse slot (29) horizontally disposed along the workbench (10), a bolt (30) is movably connected in the traverse slot (29), and the bolt (30) is in threaded connection with the workbench (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020425140.4U CN212189845U (en) | 2020-03-27 | 2020-03-27 | Automatic sealant beating mechanism for valve threaded connection part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020425140.4U CN212189845U (en) | 2020-03-27 | 2020-03-27 | Automatic sealant beating mechanism for valve threaded connection part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212189845U true CN212189845U (en) | 2020-12-22 |
Family
ID=73826112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020425140.4U Expired - Fee Related CN212189845U (en) | 2020-03-27 | 2020-03-27 | Automatic sealant beating mechanism for valve threaded connection part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212189845U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114405768A (en) * | 2022-03-09 | 2022-04-29 | 江西凯利德科技有限公司 | Automatic glue spraying device |
-
2020
- 2020-03-27 CN CN202020425140.4U patent/CN212189845U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114405768A (en) * | 2022-03-09 | 2022-04-29 | 江西凯利德科技有限公司 | Automatic glue spraying device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212189845U (en) | Automatic sealant beating mechanism for valve threaded connection part | |
| CN109732489A (en) | A kind of sand-blasting machine convenient for adjusting injection flow | |
| CN202290453U (en) | Head mechanism of dispenser | |
| CN208992517U (en) | A kind of adjustable clamping device | |
| CN206476725U (en) | A kind of screw capping device | |
| CN210229711U (en) | Stirring support structure of blending tank | |
| CN2754817Y (en) | Liquid cooled grinding wheel | |
| CN207629825U (en) | Ball seal surface grinding | |
| CN208331578U (en) | A kind of adjustable mechanical equipment shock-absorbing foot pad | |
| CN215789202U (en) | Automatic rotatory sand blasting unit of pan | |
| CN205363318U (en) | Cylinder cap seals up clitellum positioning fixture | |
| CN213766006U (en) | Edge cutting device for furniture filler | |
| CN204935044U (en) | A kind of cut-off spool automatic screwing device | |
| CN209698799U (en) | A kind of glass clamping and positioning device | |
| CN210738030U (en) | Ceramic tile seam beautifying device | |
| CN209078684U (en) | A kind of intelligence sound control formula precision displacement table | |
| CN209810561U (en) | Adjustable dispenser | |
| CN208948827U (en) | Moulding equipment for sealant packaging | |
| CN220531826U (en) | Grinding device for processing white corundum grinding paste | |
| CN205042662U (en) | Spraying equipment assists stack | |
| CN220245513U (en) | Full-automatic cap screwing machine | |
| CN217107798U (en) | Bolt with fastener is anti-loosening | |
| CN218057081U (en) | Cavity material loading machine | |
| CN210875690U (en) | Grinder for ultraprecise machining | |
| CN218967822U (en) | Biopesticide storage device with good sealing performance |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201222 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |