CN114935071A - Self-locking type lifting adjusting device - Google Patents

Self-locking type lifting adjusting device Download PDF

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Publication number
CN114935071A
CN114935071A CN202210544431.9A CN202210544431A CN114935071A CN 114935071 A CN114935071 A CN 114935071A CN 202210544431 A CN202210544431 A CN 202210544431A CN 114935071 A CN114935071 A CN 114935071A
Authority
CN
China
Prior art keywords
locking
adjusting
locking module
self
adjusting 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.)
Pending
Application number
CN202210544431.9A
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Chinese (zh)
Inventor
单永辉
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kunshan Voso Hinge Intelligence Technology Co ltd
Original Assignee
Kunshan Voso Hinge Intelligence Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Kunshan Voso Hinge Intelligence Technology Co ltd filed Critical Kunshan Voso Hinge Intelligence Technology Co ltd
Priority to CN202210544431.9A priority Critical patent/CN114935071A/en
Publication of CN114935071A publication Critical patent/CN114935071A/en
Pending legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
    • F16M11/043—Allowing translations
    • F16M11/046—Allowing translations adapted to upward-downward translation movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
    • F16M11/02—Heads
    • F16M11/16—Details concerning attachment of head-supporting legs, with or without actuation of locking members thereof
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
    • F16M2200/00—Details of stands or supports
    • F16M2200/02—Locking means
    • F16M2200/025—Locking means for translational movement
    • F16M2200/028—Locking means for translational movement by positive interaction, e.g. male-female connections
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

The invention relates to a self-locking lifting adjusting device, which comprises an adjusting bracket, an adjusting seat and a locking component, wherein the locking component comprises a locking module with a plugging end part and an elastic part connected with the locking module, the locking module is movably arranged on one of the adjusting bracket and the adjusting seat, a plugging groove matched with the plugging end part is also formed on the other of the adjusting bracket and the adjusting seat, and the elastic part drives the locking module to keep the trend that the plugging end part is plugged into the plugging groove. According to the invention, through the matching of the locking module and the elastic piece, the unlocking between the adjusting seat and the adjusting bracket can be operated by one hand, so that the adjusting seat can be conveniently lifted and adjusted; meanwhile, the locking between the adjusting seat and the adjusting bracket can be realized only by releasing the locking module by loosening hands, the operation is simple and labor-saving, and the operation safety is effectively improved.

Description

Self-locking type lifting adjusting device
Technical Field
The invention belongs to the technical field of lifting adjustment, and particularly relates to a self-locking lifting adjusting device.
Background
At present, in order to meet the use habits and the use requirements of different users, a plurality of products on the market are provided with an adjusting device which can be adjusted by lifting, such as a computer display placed on a desktop, and when the adjusting device is used, the user can adjust the computer display to a proper height through the adjusting device.
However, in the practical use process, the existing lifting adjusting device for the computer display has the following defects:
1. when a user adjusts the display to a proper height, the display needs to be locked, but the existing locking operation is complex, especially under the condition that the display needs to be held by one hand, the locking is implemented by only the other hand, the operation is very difficult, and time and labor are wasted;
2. when adjusting the display height, if the user hand receives external factor to take off power, the display falls fast easily, can't guarantee the security.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide an improved self-locking lifting adjusting device.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
a self-locking lifting adjusting device comprises an adjusting bracket, an adjusting seat moving up and down along the adjusting bracket, and a locking part, wherein the locking part comprises a locking module with a plugging end part and an elastic part connected with the locking module, the locking module is movably arranged on one of the adjusting bracket and the adjusting seat, a plugging groove matched with the plugging end part is also formed on the other of the adjusting bracket and the adjusting seat, the elastic part drives the locking module to keep the trend that the plugging end part is plugged into the plugging groove, when the locking module is driven, the plugging end part is synchronously separated from the plugging groove, and the adjusting seat freely lifts and adjusts relative to the adjusting bracket; when the locking module is released, the elastic piece resets and drives the inserting end part to be inserted into the inserting groove, and the adjusting seat is self-locked relative to the adjusting support.
Preferably, the adjusting bracket is provided with a movable cavity, wherein two opposite sides of the movable cavity are respectively provided with a vertically extending slide rail, and the adjusting seat is correspondingly connected to each slide rail from two opposite sides. Set up like this, stability when effectively improving the regulation seat elevating movement.
Preferably, the insertion grooves are distributed on the side walls of the movable cavity between the two side sliding rails along the vertical direction, the locking module is rotatably connected to the adjusting seat through a pivot, and the insertion end is synchronously inserted into or separated from the corresponding insertion groove along with the rotation of the locking module around the pivot axis. The device is simple in structure and convenient to install and implement.
Specifically, be equipped with a plurality of bellying along vertical direction interval distribution on the lateral wall in activity chamber, wherein form the inserting groove between every two adjacent bellyings, during the locking, the grafting tip inserts between two adjacent bellyings that correspond and contradicts on the bellyings's that is located the below top surface.
Further, the top surface of each boss extends horizontally outward from the side wall of the movable chamber, and the bottom surface of each boss extends obliquely downward and inward from the outer edge of the top surface. By the arrangement, each protruding part has good support for the locking module, and the locking reliability is effectively improved; simultaneously, through the bottom surface of slope extension on the bellying, the grafting tip of being convenient for breaks away from the inserting groove, avoids interfering, so can reduce the interval between the bellying in order to set up more bellyings to provide more regulation gears.
Preferably, the pivot extends in a horizontal direction, and the locking module is moved upside down about a center line of the pivot. Set up like this, when the locking, the counter force that the locking module bore can offset with the elastic force that the elastic component provided, so, effectively reduce the deformation of locking module, increase of service life.
Furthermore, the pivot penetrates out of the adjusting seat from one end, the locking part further comprises a shifting rod fixedly connected to the end of the pivot penetrating out of the adjusting seat, and when the locking part is unlocked, the shifting rod is shifted, the locking module synchronously rotates, and the inserting end is separated from the corresponding inserting groove.
Specifically, the shift lever is perpendicular to the pivot. Thus, the operation is labor-saving.
In addition, adjust the seat including corresponding two curb plates of sliding connection on two slide rails, and the connecting plate of fixed connection between two curb plates, wherein the pivot rotates respectively and connects on two curb plates, and the locking module is located between two curb plates, and the elastic component is vertical to be extended and from the upper end connect on the locking module, from the lower tip be connected with the connecting plate.
In particular, the distance between the locking module and each side plate is set equally. By the arrangement, the two side plates are stressed uniformly, and deformation is reduced.
Due to the implementation of the technical scheme, compared with the prior art, the invention has the following advantages:
according to the invention, through the matching of the locking module and the elastic piece, the unlocking between the adjusting seat and the adjusting bracket can be operated by one hand, so that the adjusting seat can be conveniently lifted and adjusted; meanwhile, the locking between the adjusting seat and the adjusting bracket can be realized only by releasing the locking module by loosening hands, the operation is simple and labor-saving, and the operation safety is effectively improved.
Drawings
FIG. 1 is a schematic view of the self-locking type lifting adjusting device of the present invention assembled with a computer monitor;
FIG. 2 is a schematic structural diagram of the self-locking type lifting adjusting device of the present invention;
fig. 3 is a schematic structural view of the self-locking type lifting adjustment device of the present invention (from another view angle, the cover panel is not shown);
FIG. 4 is a schematic half-sectional view of the self-locking type lifting adjusting device of the present invention;
wherein: A. a computer monitor;
1. adjusting the bracket; 10. a rack body; q, a movable cavity; g. a slide rail; b. a boss portion; c1, a plug groove; 11. a cover panel; c2, a guide groove;
2. an adjusting seat; 20. a side plate; 21. a connecting plate; 210. an extension portion;
3. a locking member; 30. a locking module; 300. an inserting end part; s, a pivot; 31. an elastic member; 32. a deflector rod.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present application more comprehensible, embodiments accompanying figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. This application is capable of embodiment in many different forms than those described herein and those skilled in the art will be able to make similar modifications without departing from the spirit of the application and therefore the application is not limited to the specific embodiments disclosed below.
In the description of the present application, it is to be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the present application and for simplicity in description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the present application.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present application, "plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In this application, unless expressly stated or limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can include, for example, fixed connections, removable connections, or integral parts; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be interconnected within two elements or in a relationship where two elements interact with each other unless otherwise specifically limited. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In this application, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
As shown in fig. 1, the self-locking lifting adjustment device of the present embodiment is used for lifting adjustment of a computer monitor a, and includes an adjustment bracket 1, an adjustment base 2, and a locking member 3.
Specifically, adjust seat 2 along adjusting 1 elevating movement, graphoscope A sets up on adjusting seat 2 and along with adjusting 2 synchronous lift adjustment, and locking part 3 is used for adjusting 2 and adjusts locking or unblock relatively between support 1.
Referring to fig. 2 and 3, the adjusting bracket 1 includes a bracket body 10 and a cover panel 11, wherein the cross section of the bracket body 10 along the horizontal direction is rectangular, a movable cavity q extending along the vertical direction is formed inside the bracket body 10, the movable cavity q is opened from the front side, and the cover panel 11 covers the front side of the movable cavity q.
Specifically, the inner walls of the left side and the right side of the frame body 10 are respectively provided with a slide rail g which vertically extends, and the adjusting seat 2 is respectively connected to the two slide rails g in a sliding manner from the two opposite sides. Set up like this, stability when effectively improving the regulation seat elevating movement.
Referring to fig. 4, a plurality of protrusions b are further disposed on the inner wall of the rack body 10 between the slide rails g on both sides, the protrusions b are spaced apart from each other in the vertical direction, and an insertion groove c1 is formed between every two adjacent protrusions b, wherein the top surface of each protrusion b extends horizontally outward from the inner wall of the rack body 10, and the bottom surface of each protrusion b extends obliquely downward and inward from the outer edge of the top surface.
In this example, the adjusting base 2 includes two side plates 20 arranged side by side at a distance from each other in the left-right direction, and a connecting plate 21 fixedly connected between the two side plates 20.
Specifically, the left and right side plates 20 are respectively slidably connected to the slide rails g on both sides of the frame body 10.
In this example, the locking member 3 comprises a locking module 30 and an elastic member 31, wherein the locking module 30 is pivotally connected to the adjustment base 2 by a pivot s and is formed with a plugging end 300 matching with the plugging groove c1, and as the locking module 30 rotates around the axis of the pivot s, the plugging end 300 is synchronously inserted into or separated from the corresponding plugging groove c 1; the spring 31 is attached to the locking module 30 and urges the locking module 30 to maintain the tendency of the mating end 300 to be inserted into the mating groove c 1. The device is simple in structure and convenient to install and implement.
Specifically, the pivot s extends horizontally and penetrates through the side plates 20 on the left and right sides from both ends, the locking module 30 is located between the two side plates 20 and performs a vertical turning motion around the center line of the pivot s, and when the locking module is locked, the inserting end 300 is inserted between the two corresponding adjacent protruding portions b and abuts against the top surfaces of the protruding portions b located below. Set up like this, when the locking, the counter force that the locking module bore can offset with the elastic force that the elastic component provided, so, effectively reduce the deformation of locking module, increase of service life.
Meanwhile, the distance between the locking module 30 and each side plate 20 is equally set. By the arrangement, the two side plates are stressed uniformly, and deformation is reduced.
For convenience of implementation, the connecting plate 21 is formed with an extending portion 210 extending outward, the elastic member 31 is a vertically disposed spring, and an upper end of the spring is connected to the locking module 30 and a lower end of the spring is connected to the extending portion 210. Therefore, when the locking module 30 is flipped up, the elastic member 31 is tensilely deformed.
In particular, the locking element 3 further comprises a lever 32 fixedly connected to the end of the side plate 20 on the side from which the pivot s passes, and when unlocking, the lever 32 is moved, the locking module 30 rotates synchronously, and the plugging end 300 is then disengaged from the corresponding plugging slot c 1.
Specifically, the shift lever 32 is disposed perpendicular to the pivot s. Thus, the operation is labor-saving.
In addition, for convenience of implementation, three guide grooves c2 extending vertically and arranged side by side at intervals are further formed on the cover panel 11, and the two side plates 20 and the locking modules 30 respectively pass through the three guide grooves c 2.
To sum up, the implementation process of this embodiment is as follows:
the shift lever 32 is shifted to drive the locking module 30 to turn upwards around the pivot s, the plugging end 300 is synchronously separated from the corresponding plugging groove c1 to unlock, and the adjusting seat 2 can freely lift and adjust relative to the adjusting bracket 1; after the adjusting seat 2 is adjusted to a proper height, the shift lever 32 is released to release the locking module 30, the elastic element 31 is reset and drives the plugging end 300 to be inserted into the corresponding plugging groove c1, and the adjusting seat 2 is self-locked relative to the adjusting bracket 1.
In summary, the present implementation has the following advantages:
1. the locking module is matched with the elastic piece, so that the unlocking between the adjusting seat and the adjusting bracket can be operated by one hand, the adjusting seat can be conveniently lifted and adjusted, meanwhile, the locking between the adjusting seat and the adjusting bracket can be realized by releasing the locking module by loosening the hand, the operation is simple and labor-saving, and the operation safety is effectively improved;
2. when the locking module is locked, the reverse acting force born by the locking module can be counteracted with the elastic force provided by the elastic piece, so that the deformation of the locking module is effectively reduced, and the service life is prolonged;
3. each protruding part has good support for the locking module, the locking reliability is effectively improved, meanwhile, the bottom surface extending obliquely on the protruding part is convenient for the insertion end part to be separated from the insertion groove, and interference is avoided, so that the space between the protruding parts can be reduced to arrange more protruding parts, and more adjustment gears are provided;
4. simple structure, convenient installation and implementation.
The present invention has been described in detail in order to enable those skilled in the art to understand the invention and to practice it, and it is not intended to limit the scope of the invention, and all equivalent changes and modifications made according to the spirit of the present invention should be covered by the present invention.

Claims (10)

1. The utility model provides a from locking-type lifting adjusting device, its is including adjusting the support, and along adjust support elevating movement's regulation seat, its characterized in that: the lifting adjusting device further comprises a locking component, the locking component comprises a locking module with a plugging end part and an elastic part connected with the locking module, the locking module is movably arranged on one of the adjusting bracket and the adjusting seat, a plugging groove matched with the plugging end part is further formed in the other of the adjusting bracket and the adjusting seat, the elastic part drives the locking module to keep the trend that the plugging end part is plugged into the plugging groove, when the locking module is driven, the plugging end part is synchronously separated from the plugging groove, and the adjusting seat freely lifts and adjusts relative to the adjusting bracket; when the locking module is released, the elastic piece resets and drives the inserting end to be inserted into the inserting groove, and the adjusting seat is self-locked relative to the adjusting support.
2. The self-locking lifting adjustment device according to claim 1, characterized in that: the adjustable support is provided with a movable cavity, wherein two opposite sides of the movable cavity are respectively provided with a vertically extending slide rail, and the adjustable base is correspondingly connected on each slide rail in a sliding manner from two opposite sides.
3. The self-locking lifting adjustment device according to claim 2, characterized in that: the inserting grooves are distributed on the side wall of the movable cavity between the slide rails on two sides in the vertical direction, the locking module is rotatably connected to the adjusting seat through a pivot, and the inserting end is synchronously inserted into or separated from the corresponding inserting groove along with the rotation of the locking module around the axis of the pivot.
4. The self-locking lifting adjustment device according to claim 3, characterized in that: the side wall of the movable cavity is provided with a plurality of protruding parts which are distributed at intervals along the vertical direction, the inserting groove is formed between every two adjacent protruding parts, and when the movable cavity is locked, the inserting end part is inserted between the two corresponding adjacent protruding parts and abuts against the top surfaces of the protruding parts below the inserting groove.
5. The self-locking lifting adjustment device according to claim 4, characterized in that: the top surface of each bulge extends outwards and horizontally from the side wall of the movable cavity, and the bottom surface of each bulge extends downwards and inwards obliquely from the outer edge of the top surface.
6. The self-locking lifting adjustment device according to claim 3 or 4 or 5, characterized in that: the pivot shaft extends along the horizontal direction, and the locking module rotates up and down around the center line of the pivot shaft.
7. The self-locking lifting adjusting device according to claim 6, characterized in that: the pivot penetrates out of the adjusting seat from one end part, the locking part further comprises a shifting rod fixedly connected to the end part of the pivot penetrating out of the adjusting seat, when the locking part is unlocked, the shifting rod is shifted, the locking module synchronously rotates, and the inserting end part is separated from the corresponding inserting groove.
8. The self-locking lifting adjustment device according to claim 7, characterized in that: the deflector rod is perpendicular to the pivot.
9. The self-locking lifting adjusting device according to claim 3, characterized in that: the adjusting seat comprises two side plates which are correspondingly connected onto the two sliding rails in a sliding mode and a connecting plate which is fixedly connected between the two side plates, the pivot shafts are respectively connected onto the two side plates in a rotating mode, the locking module is located between the two side plates, and the elastic piece vertically extends and is connected onto the locking module from the upper end portion and connected with the connecting plate from the lower end portion.
10. The self-locking lifting adjustment device according to claim 9, characterized in that: the distance between the locking module and each side plate is equal.
CN202210544431.9A 2022-05-18 2022-05-18 Self-locking type lifting adjusting device Pending CN114935071A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210544431.9A CN114935071A (en) 2022-05-18 2022-05-18 Self-locking type lifting adjusting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210544431.9A CN114935071A (en) 2022-05-18 2022-05-18 Self-locking type lifting adjusting device

Publications (1)

Publication Number Publication Date
CN114935071A true CN114935071A (en) 2022-08-23

Family

ID=82864368

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210544431.9A Pending CN114935071A (en) 2022-05-18 2022-05-18 Self-locking type lifting adjusting device

Country Status (1)

Country Link
CN (1) CN114935071A (en)

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