CN215511890U - Pressurized loosening and locking mechanism - Google Patents
Pressurized loosening and locking mechanism Download PDFInfo
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- CN215511890U CN215511890U CN202121525900.XU CN202121525900U CN215511890U CN 215511890 U CN215511890 U CN 215511890U CN 202121525900 U CN202121525900 U CN 202121525900U CN 215511890 U CN215511890 U CN 215511890U
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- upper pull
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Abstract
The utility model discloses a pressurized release locking mechanism, which comprises a base and a beam, wherein a mould is arranged between the base and the beam, and the pressurized release locking mechanism also comprises: the device comprises a pressurizing oil cylinder, an upper pull rod assembly, a connecting assembly and a locking and unlocking driving device; the pressurizing oil cylinder is arranged at the bottom of the base and comprises a piston rod, and the piston rod penetrates through the base and extends out of the top surface of the base; the upper pull rod assembly is arranged above the base and comprises an upper pull rod, one end of the upper pull rod is connected with the cross beam, and the other end of the upper pull rod is connected with or separated from the piston rod through the rotation of the connecting assembly; the unlocking and locking driving device is connected with the connecting assembly and used for driving the connecting assembly to rotate in a reciprocating mode along the circumferential direction. According to the utility model, through the matching arrangement of the connecting assembly and the unlocking and locking driving device, the structure composition of the pressurizing mechanism is simplified, the manufacturing cost is reduced, the quick locking or unlocking of the base and the cross beam is convenient to realize, and the later maintenance and replacement are convenient.
Description
Technical Field
The utility model relates to the technical field of vulcanizing equipment, in particular to a pressurizing and releasing locking mechanism.
Background
With the development of society and the increasing abundance of living standards of people, particularly since the 21 st century, the automobile industry is always in a vigorous development stage and drives the lasting prosperity of related industries, and as one of important accessories of automobiles, the development of tires is particularly attractive, because the safety performance of the tires directly determines the safety coefficient of the automobiles, and further influences the performance of the overall performance of the automobiles, and therefore, the innovation and the progress of tire production equipment are always the focus of technicians in the industry, wherein a tire vulcanizing machine is a typical representative of the tire production equipment.
The tire vulcanization generally adopts a hydraulic tire vulcanizer, and in the hydraulic tire vulcanizer, a pressurizing locking mechanism provides a locking force for a tire vulcanization mold in the working process of the tire vulcanizer, so the quality of the pressurization process control directly influences the production quality of the tire, and therefore, the improvement of the pressurizing reliability and the pressurizing stability of the tire vulcanizer is particularly important.
In the prior art, a pressurizing cylinder piston rod of a pressurizing locking mechanism is of a hollow structure, a lower pull rod needs to penetrate through the pressurizing cylinder piston rod, the structure is complex, the cost is high, a cylinder of the locking mechanism of the pressurizing mechanism is installed at the bottom of a pressurizing cylinder and is limited by space, the assembly and disassembly are complex, and the later-period maintenance and replacement are time-consuming and labor-consuming.
Therefore, there is a need in the art for a compression latch mechanism that is simple in structure, easy to assemble and disassemble, and easy to maintain and replace.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problems, the utility model provides the pressurizing release locking mechanism which is simple in structure, convenient and efficient to disassemble and assemble, convenient to maintain and replace and economical in cost.
In order to achieve the purpose, the technical scheme of the utility model is as follows:
the utility model provides a pressurization is loosed blocked mechanical system, pressurization is loosed blocked mechanical system and is included base and crossbeam, be equipped with the mould between base and the crossbeam, pressurization is loosed blocked mechanical system and is still included: the device comprises a pressurizing oil cylinder, an upper pull rod assembly, a connecting assembly and a locking and unlocking driving device; the pressurizing oil cylinder is arranged at the bottom of the base in an axial vertical direction and comprises a cylinder barrel, a piston and a piston rod, and the piston rod penetrates through the base and extends out of the top surface of the base; the upper pull rod assembly is arranged above the base and comprises an upper pull rod, one end of the upper pull rod is connected with the cross beam, and the other end of the upper pull rod is connected with or separated from the piston rod through the circumferential rotation of the connecting assembly; the locking and unlocking driving device is connected with the connecting assembly and used for driving the connecting assembly to rotate in a reciprocating mode along the circumferential direction.
The beneficial effect of adopting above-mentioned technical scheme is: the problems of complex structure, difficult disassembly and maintenance and higher manufacturing cost of the pressurizing locking structure in the prior art are fully considered, and the connecting assembly is arranged to serve as the upper pull rod to be connected with the pressurizing oil cylinder, so that the structural composition of the pressurizing mechanism is simplified, and the manufacturing cost is reduced; in addition, set up the direct and coupling assembling of pine shutting drive arrangement and be connected, realize the locking or the pine lock of coupling assembling and last pull rod through drive coupling assembling along circumference reciprocating motion, and then realize the locking or the unblock of base and crossbeam fast, pine shutting drive arrangement and coupling assembling lie in the upper portion of base jointly, are convenient for maintain the change, are favorable to raising the efficiency, reduce use and later maintenance cost.
As a further improvement of the technical scheme of the utility model, a plurality of pressurizing oil cylinders are uniformly arranged along the circumferential direction by taking the central axis of the base as the center, and the upper pull rod and the connecting assembly correspond to the pressurizing oil cylinders one by one.
The beneficial effect of adopting above-mentioned technical scheme is: a plurality of pressurizing oil cylinders are uniformly arranged along the circumferential direction, so that the pressurizing pressure between the base and the cross beam is more uniform, and the stability of the tire vulcanization quality is favorably kept.
As a further improvement of the technical solution of the present invention, the unlocking and locking driving device includes a telescopic element and a first swing link, the telescopic element includes a fixed section and a telescopic section, the fixed section is fixedly connected with the base, the telescopic section is hinged to the first swing link, and the other end of the first swing link is fixedly connected with the connecting assembly.
The beneficial effect of adopting above-mentioned technical scheme is: the arrangement of the first swing rod is convenient for always keeping the effectiveness of the transmission of the driving force of the telescopic element within the range of the reciprocating rotation angle of the connecting assembly so as to avoid the phenomenon of clamping.
As a further improvement of the technical scheme of the utility model, the number ratio of the telescopic elements to the connecting assemblies is 1:2, the unlocking and locking driving device further comprises a connecting rod and a second oscillating rod, one end of the connecting rod is hinged with the first oscillating rod or the telescopic section of the telescopic element, the other end of the connecting rod is hinged with the second oscillating rod, and the other end of the second oscillating rod is fixedly connected with the other connecting assembly.
The beneficial effect of adopting above-mentioned technical scheme is: the arrangement of the connecting rod is beneficial to realizing the purpose that the driving force of one telescopic element drives two or more connecting components, thereby reducing the configuration of the telescopic element and further reducing the manufacturing cost of the pressure release locking mechanism.
As a further improvement of the technical scheme of the utility model, an annular groove is circumferentially arranged on the side surface of one end of the piston rod, which is far away from the piston, and a non-return convex ring matched with the annular groove is arranged at one end of the connecting component, which is connected with the piston rod.
The beneficial effect of adopting above-mentioned technical scheme is: the setting of annular groove, the rotatable coupling between structure coupling assembling and the pressurization hydro-cylinder piston rod, promptly: the connecting assembly and the piston rod can rotate relatively but cannot be separated, so that the connection relationship between the connecting assembly and the piston rod is not influenced when the connecting assembly and the upper pull rod are locked and unlocked through rotation.
As a further improvement of the technical scheme of the utility model, the connecting component is connected with the upper pull rod through a plum blossom connecting structure; the plum blossom connecting structure comprises a plum blossom head and a plum blossom groove matched with the plum blossom head; the plum blossom head is arranged at the upper end of the connecting component or at the lower end of the upper pull rod, and the plum blossom groove is correspondingly arranged at the lower end of the upper pull rod or at the upper end of the connecting component.
The beneficial effect of adopting above-mentioned technical scheme is: the quincuncial connection structure is arranged, rapid connection and separation between the connection assembly and the upper pull rod can be achieved only by simply rotating a certain angle, the structure is simple, the processing cost is low, the connection is stable and reliable, and automatic control is easy to achieve.
As a further improvement of the technical scheme of the utility model, the connecting component comprises a left half hoop, a right half hoop and a hoop connecting piece, wherein the left half hoop and the right half hoop are connected through the hoop connecting piece to form an integral hoop type connecting component.
The beneficial effect of adopting above-mentioned technical scheme is: coupling assembling sets up to split type structure for half clamp on the left side, half clamp on the right side pass through the clamp connecting piece and connect, connect more in a flexible way, and later stage easy dismounting has reduced coupling assembling's the processing degree of difficulty by a wide margin, is showing when reducing coupling assembling manufacturing cost, shortens greatly and changes the maintenance time.
As a further improvement of the technical scheme of the utility model, the two sides of the left half hoop and the right half hoop are symmetrically provided with threaded through holes along the axial direction perpendicular to the connecting component, the number of the single sides of the threaded through holes is not less than 2, and the hoop connecting pieces are threaded connecting pieces matched with the threaded through holes.
The beneficial effect of adopting above-mentioned technical scheme is: the threaded connecting piece is used as a clamp connecting piece, so that the connection is stable and reliable, the cost is low, and the later-stage disassembly is convenient.
As a further improvement of the technical scheme of the utility model, the upper pull rod assembly further comprises a die adjusting nut, the die adjusting nut is sleeved on the cross beam, and the upper pull rod penetrates through the die adjusting nut and is in threaded connection with the die adjusting nut.
The beneficial effect of adopting above-mentioned technical scheme is: the introduction of the die adjusting nut is convenient for realizing the lifting of the upper pull rod along the axial rotation to adjust the distance between the base and the cross beam, thereby meeting the pressurizing requirements of dies with different specifications and effectively widening the application range of the pressurizing loose locking mechanism.
As a further improvement of the technical scheme of the utility model, the die adjusting nut is rotationally connected with the cross beam.
The beneficial effect of adopting above-mentioned technical scheme is: transfer the mould nut set up to and the crossbeam between rotatable coupling, under the condition that does not rotate the pull rod, the mould nut is transferred in the direct rotation, can realize the lift of pull rod, avoids because of the rotation of pull rod, need carry out the rotation adjustment of corresponding angle to coupling assembling to keep with the relative position relation of pull rod in the circumferencial direction.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic front view of a compression release locking mechanism of the present invention;
FIG. 2 is a top view of a compression release locking mechanism;
FIG. 3 is a schematic cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic view of the locking state of the quincuncial connection structure in the direction B-B in FIG. 3;
FIG. 5 is a schematic diagram of the locking state of the quincuncial connection structure in the direction B-B in FIG. 3;
the corresponding part names indicated by the numbers in the figures are as follows:
a mold (01); a base 1; a cross beam 2; a pressurizing cylinder 3; a cylinder 31; a piston 32; a piston rod 33; an annular recess 331; an upper tie rod assembly 4; an upper pull rod 41; a die adjustment nut 42; a connecting assembly 5; a check convex ring 51; a left half yoke 52; a right half collar clamp 53; a clip connector 54; a threaded connection 541; a release lock drive device 6; a telescopic element 61; a fixed section 611; a telescoping section 612; a first swing link 62; a connecting rod 63; a second swing link 64; a quincuncial connection structure 7; plum blossom 71; a quincuncial recess 72.
Detailed Description
In order to facilitate an understanding of the utility model, the utility model will be described more fully and in detail below with reference to the accompanying drawings and preferred embodiments, but the scope of the utility model is not limited to the specific embodiments below. It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In order to realize the purpose of the utility model, the technical scheme provided by the utility model is as follows:
in some embodiments of the present invention, as shown in fig. 1 and 3, a press-releasing locking mechanism is disclosed, the press-releasing locking mechanism includes a base 1 and a beam 2, a mold 01 is disposed between the base 1 and the beam 2, and the press-releasing locking mechanism further includes: the device comprises a pressurizing oil cylinder 3, an upper pull rod assembly 4, a connecting assembly 5 and a locking and unlocking driving device 6; the pressurizing oil cylinder 3 is arranged at the bottom of the base 1 in an axial vertical direction, the pressurizing oil cylinder 3 comprises a cylinder 31, a piston 32 and a piston rod 33, and the piston rod 33 penetrates through the base 1 and extends out of the top surface of the base 1; the upper pull rod assembly 4 is arranged above the base 1, the upper pull rod assembly 4 comprises an upper pull rod 41, one end of the upper pull rod 41 is connected with the cross beam 2, and the other end of the upper pull rod 41 is connected with or separated from the piston rod 33 through the circumferential rotation of the connecting assembly 5; and the unlocking and locking driving device 6 is connected with the connecting assembly 5 and is used for driving the connecting assembly 5 to rotate in a reciprocating mode along the circumferential direction.
The beneficial effect of adopting above-mentioned technical scheme is: the problems of complex structure, difficult disassembly and maintenance and higher manufacturing cost of the pressurizing locking structure in the prior art are fully considered, and the connecting assembly is arranged to serve as the upper pull rod to be connected with the pressurizing oil cylinder, so that the structural composition of the pressurizing mechanism is simplified, and the manufacturing cost is reduced; in addition, set up the direct and coupling assembling of pine shutting drive arrangement and be connected, realize the locking or the pine lock of coupling assembling and last pull rod through drive coupling assembling along circumference reciprocating motion, and then realize the locking or the unblock of base and crossbeam fast, pine shutting drive arrangement and coupling assembling lie in the upper portion of base jointly, are convenient for maintain the change, are favorable to raising the efficiency, reduce use and later maintenance cost.
In other embodiments of the present invention, as shown in fig. 2, a plurality of pressurizing cylinders 3 are uniformly arranged in the circumferential direction around the central axis of the base 1, and the upper tie rods 41 and the connecting assemblies 5 correspond to the pressurizing cylinders 3 one by one.
The beneficial effect of adopting above-mentioned technical scheme is: a plurality of pressurizing oil cylinders are uniformly arranged along the circumferential direction, so that the pressurizing pressure between the base and the cross beam is more uniform, and the stability of the tire vulcanization quality is favorably kept.
In other embodiments of the present invention, as shown in fig. 2, the unlocking and locking driving device 6 includes a telescopic element 61 and a first swing link 62, the telescopic element 61 includes a fixed section 611 and a telescopic section 612, the fixed section 611 is fixedly connected with the base 1, the telescopic section 612 is hinged to the first swing link 62, and the other end of the first swing link 62 is fixedly connected with the connecting assembly 5.
The beneficial effect of adopting above-mentioned technical scheme is: the arrangement of the first swing rod is convenient for always keeping the effectiveness of the transmission of the driving force of the telescopic element within the range of the reciprocating rotation angle of the connecting assembly so as to avoid the phenomenon of clamping.
In other embodiments of the present invention, as shown in fig. 2, the number ratio of the telescopic element 61 to the connecting assembly 5 is 1:2, the unlocking and locking driving device 6 further includes a connecting rod 63 and a second swing rod 64, one end of the connecting rod 63 is hinged to the first swing rod 62 or the telescopic section 612 of the telescopic element 61, the other end of the connecting rod 63 is hinged to the second swing rod 64, and the other end of the second swing rod 64 is fixedly connected to the other connecting assembly 5.
The beneficial effect of adopting above-mentioned technical scheme is: the arrangement of the connecting rod is beneficial to realizing the purpose that the driving force of one telescopic element drives two or more connecting components, thereby reducing the configuration of the telescopic element and further reducing the manufacturing cost of the pressure release locking mechanism.
In other embodiments of the present invention, as shown in fig. 3, the piston rod 33 is provided with an annular groove 331 along the circumferential direction on the side of the end far from the piston 32, and the connecting assembly 5 is provided with a check protrusion ring 51 fitted into the annular groove 331 at the end connected to the piston rod 33.
The beneficial effect of adopting above-mentioned technical scheme is: the setting of annular groove, the rotatable coupling between structure coupling assembling and the pressurization hydro-cylinder piston rod, promptly: the connecting assembly and the piston rod can rotate relatively but cannot be separated, so that the connection relationship between the connecting assembly and the piston rod is not influenced when the connecting assembly and the upper pull rod are locked and unlocked through rotation.
In other embodiments of the present invention, as shown in fig. 3-5, the connecting assembly 5 is connected to the upper rod 41 by a quincunx connection 7; the plum blossom connecting structure 7 comprises a plum blossom head 71 and a plum blossom groove 72 matched with the plum blossom head 71; the quincuncial head 71 is arranged at the upper end of the connecting component 5 or at the lower end of the upper pull rod 41, and the quincuncial groove 72 is correspondingly arranged at the lower end of the upper pull rod 41 or at the upper end of the connecting component 5.
The beneficial effect of adopting above-mentioned technical scheme is: the quincuncial connection structure is arranged, rapid connection and separation between the connection assembly and the upper pull rod can be achieved only by simply rotating a certain angle, the structure is simple, the processing cost is low, the connection is stable and reliable, and automatic control is easy to achieve.
In other embodiments of the present invention, as shown in fig. 1,4 and 5, the connecting assembly 5 includes a left half band 52, a right half band 53 and a band connector 54, wherein the left half band 52 and the right half band 53 are connected by the band connector 54 to form an integral band-type connecting assembly.
The beneficial effect of adopting above-mentioned technical scheme is: coupling assembling sets up to split type structure for half clamp on the left side, half clamp on the right side pass through the clamp connecting piece and connect, connect more in a flexible way, and later stage easy dismounting has reduced coupling assembling's the processing degree of difficulty by a wide margin, is showing when reducing coupling assembling manufacturing cost, shortens greatly and changes the maintenance time.
In other embodiments of the present invention, as shown in fig. 1, the left and right clamp halves 52 and 53 are symmetrically provided with threaded through holes along an axial direction perpendicular to the connecting assembly 5, the number of the threaded through holes is not less than 2 on one side, and the clamp connector 54 is a threaded connector 541 adapted to the threaded through holes.
The beneficial effect of adopting above-mentioned technical scheme is: the threaded connecting piece is used as a clamp connecting piece, so that the connection is stable and reliable, the cost is low, and the later-stage disassembly is convenient.
In other embodiments of the present invention, as shown in fig. 3, the upper pulling rod assembly 4 further includes a mold adjusting nut 42, the mold adjusting nut 42 is sleeved on the cross beam 2, and the upper pulling rod 41 is inserted into the mold adjusting nut 42 and is in threaded connection with the mold adjusting nut 42.
The beneficial effect of adopting above-mentioned technical scheme is: the introduction of the die adjusting nut is convenient for realizing the lifting of the upper pull rod along the axial rotation to adjust the distance between the base and the cross beam, thereby meeting the pressurizing requirements of dies with different specifications and effectively widening the application range of the pressurizing loose locking mechanism.
In other embodiments of the utility model, as shown in fig. 3, the adjustment nut 42 is rotatably connected to the beam 2.
The beneficial effect of adopting above-mentioned technical scheme is: transfer the mould nut set up to and the crossbeam between rotatable coupling, under the condition that does not rotate the pull rod, the mould nut is transferred in the direct rotation, can realize the lift of pull rod, avoids because of the rotation of pull rod, need carry out the rotation adjustment of corresponding angle to coupling assembling to keep with the relative position relation of pull rod in the circumferencial direction.
The above embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the present invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered in the scope of the present invention.
Claims (10)
1. The utility model provides a blocked mechanical system is loosened in pressurization, the blocked mechanical system is loosened in pressurization includes base and crossbeam, be equipped with the mould between base and the crossbeam, its characterized in that still includes: the device comprises a pressurizing oil cylinder, an upper pull rod assembly, a connecting assembly and a locking and unlocking driving device;
the pressurizing oil cylinder is arranged at the bottom of the base in an axial vertical direction and comprises a cylinder barrel, a piston and a piston rod, and the piston rod penetrates through the base and extends out of the top surface of the base;
the upper pull rod assembly is arranged above the base and comprises an upper pull rod, one end of the upper pull rod is connected with the cross beam, and the other end of the upper pull rod is connected with or separated from the piston rod through the circumferential rotation of the connecting assembly;
the locking and unlocking driving device is connected with the connecting assembly and used for driving the connecting assembly to rotate in a reciprocating mode along the circumferential direction.
2. The compression release locking mechanism as claimed in claim 1, wherein a plurality of compression cylinders are uniformly arranged in a circumferential direction around a central axis of the base, and the upper tie rods and the connecting members are in one-to-one correspondence with the compression cylinders.
3. The compression release locking mechanism as claimed in claim 2, wherein the release locking driving device comprises a telescopic element and a first swing link, the telescopic element comprises a fixed section and a telescopic section, the fixed section is fixedly connected with the base, the telescopic section is hinged with the first swing link, and the other end of the first swing link is fixedly connected with the connecting assembly.
4. The compression release locking mechanism according to claim 3, wherein the number ratio of the telescopic element to the connecting assembly is 1:2, the release locking driving device further comprises a connecting rod and a second swing link, one end of the connecting rod is hinged to the first swing link or the telescopic section of the telescopic element, the other end of the connecting rod is hinged to the second swing link, and the other end of the second swing link is fixedly connected to the other connecting assembly.
5. The compression-release lock mechanism as claimed in claim 1, wherein the piston rod is provided with an annular groove along the circumferential direction on the side of the end far away from the piston, and the connecting assembly is provided with a non-return convex ring matched with the annular groove at the end connected with the piston rod.
6. The compression release latch mechanism as in claim 5, wherein the connecting assembly is connected to the upper pull rod by a quincuncial connecting structure; the plum blossom connecting structure comprises a plum blossom head and a plum blossom groove matched with the plum blossom head; the plum blossom head is arranged at the upper end of the connecting component or at the lower end of the upper pull rod, and the plum blossom groove is correspondingly arranged at the lower end of the upper pull rod or at the upper end of the connecting component.
7. The compression release locking mechanism as in claim 1, wherein the connecting assembly comprises a left half clamp, a right half clamp and a clamp connector, the left half clamp and the right half clamp are connected by the clamp connector to form an integral clamp-type connecting assembly.
8. The compression release locking mechanism as claimed in claim 7, wherein the left and right halves of the clamp have through holes with a number of 2 or more on one side, and the clamp connectors are screw connectors matched with the through holes.
9. The compression release locking mechanism as recited in claim 1, wherein the upper pull rod assembly further comprises a mold adjusting nut, the mold adjusting nut is sleeved on the cross member, and the upper pull rod is inserted into the mold adjusting nut and is in threaded connection with the mold adjusting nut.
10. The compression release latch mechanism of claim 9, wherein the mold nut is rotatably coupled to the cross-member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121525900.XU CN215511890U (en) | 2021-07-06 | 2021-07-06 | Pressurized loosening and locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121525900.XU CN215511890U (en) | 2021-07-06 | 2021-07-06 | Pressurized loosening and locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215511890U true CN215511890U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121525900.XU Active CN215511890U (en) | 2021-07-06 | 2021-07-06 | Pressurized loosening and locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215511890U (en) |
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2021
- 2021-07-06 CN CN202121525900.XU patent/CN215511890U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215000 No.18 Pingsheng Road, Suzhou Industrial Park, Jiangsu Province Patentee after: Sino-arp Tires Equipment Technology (Suzhou) Co.,Ltd. Address before: 215000 No.18 Pingsheng Road, Suzhou Industrial Park, Jiangsu Province Patentee before: SINO-ARP TIRES EQUIPMENT TECHNOLOGY (SUZHOU) Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |