CN217372358U - Line-lifting performance robot device - Google Patents
Line-lifting performance robot device Download PDFInfo
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- CN217372358U CN217372358U CN202121456087.5U CN202121456087U CN217372358U CN 217372358 U CN217372358 U CN 217372358U CN 202121456087 U CN202121456087 U CN 202121456087U CN 217372358 U CN217372358 U CN 217372358U
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Abstract
The utility model discloses a carry line performance robot device, include: the motor is arranged at the lower part of the frame; the first connecting rod arm mechanism and the second connecting rod arm mechanism are respectively arranged at two sides of the upper part of the rack, and the driving end of the first connecting rod arm mechanism and the driving end of the second connecting rod arm mechanism are both arranged in the rack; the first connecting rod arm mechanism and the second connecting rod arm mechanism are respectively movably connected with the rack and can perform the action of swinging up and down along the movable connection position on the rack; the front end of a power shaft of the motor is connected with the driving end of the first connecting rod arm mechanism through a first crank connecting rod mechanism, and the first connecting rod arm mechanism can be driven to swing up and down on one side of the rack; the rear end of a power shaft of the motor is connected with the driving end of a second connecting rod arm mechanism through a second crank connecting rod mechanism, and the second connecting rod arm mechanism can be driven to do up-and-down swing arm motion on the other side of the rack. The device realizes the swinging motion of two arms of the robot through one motor, the motion posture is vivid, and the illusion experience that the motion is dragged by the external rope can be brought to tourists.
Description
Technical Field
The utility model relates to a performance device field that theme park was used. In particular to a line-lifting performance robot device.
Background
With the development of theme parks, the appreciation level of tourists is improved, most of touring projects are created based on a story line in the current theme parks, the story line generally consists of a plurality of plots, and the action of a robot is controlled by pulling a rope to perform in some plots.
However, most of the existing thread lifting robots apply force through the head of the rope, and then the force is transmitted to the passive motion of the robot through the rope, and the structure of the thread lifting robot is designed for the force application of the head, but the thread lifting robot with the structure is not only complex in structure, but also inaccurate in motion and poor in reliability.
SUMMERY OF THE UTILITY MODEL
Based on the problem that prior art exists, the utility model aims at providing a wire lifting performance robot device can solve current wire lifting robot and pass through rope head application of force, not only moves inaccurately, the relatively poor and more complicated problem of structure of operational reliability.
The utility model aims at realizing through the following technical scheme:
the utility model discloses embodiment provides a wire-lifting performance robot device, include:
the device comprises a rack, a motor, a first crank link mechanism, a second crank link mechanism, a first connecting rod arm mechanism and a second connecting rod arm mechanism; wherein, the first and the second end of the pipe are connected with each other,
the rack is of a vertical frame structure;
the motor is arranged at the lower part of the frame;
the first connecting rod arm mechanism and the second connecting rod arm mechanism are respectively arranged at two sides of the upper part of the rack, and the driving end of the first connecting rod arm mechanism and the driving end of the second connecting rod arm mechanism are both arranged in the rack; the first connecting rod arm mechanism and the second connecting rod arm mechanism are respectively movably connected with the rack and can perform the action of swinging the arms up and down on the rack along the movable connection position;
the front end of a power shaft of the motor is connected with the driving end of the first connecting rod arm mechanism through the first crank connecting rod mechanism, and the first connecting rod arm mechanism can be driven to perform up-and-down swing arm action on one side of the rack;
the rear end of a power shaft of the motor is connected with the driving end of the second connecting rod arm mechanism through the second crank connecting rod mechanism, and the second connecting rod arm mechanism can be driven to swing up and down on the other side of the rack.
By the foregoing the utility model provides a technical scheme can see out, the embodiment of the utility model provides a carry line performance robot device, its beneficial effect is:
the device has the advantages of simple structure, stable operation and strong reliability, can realize vivid action gestures, can be used for project performance of line-lifting robots in large-scale amusement projects, and brings illusion experience that the actions of the line-lifting robots are dragged by external ropes to tourists.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a thread-lifting performance robot device provided in an embodiment of the present invention;
fig. 2 is a schematic view of a first swing arm state swing arm of the thread-lifting performance robot device provided in the embodiment of the present invention;
fig. 3 is a schematic diagram of a second swing arm state of the wire-lifting performance robot apparatus according to the embodiment of the present invention;
fig. 4 is a schematic diagram of a third swing arm state of the thread-lifting performance robot apparatus provided in the embodiment of the present invention;
fig. 5 is a schematic view of an action state of a proximity switch of the robot device for wire-lifting performance provided by the embodiment of the present invention;
fig. 6 is a schematic back view of the thread-lifting performance robot apparatus provided in the embodiment of the present invention;
the part names corresponding to the marks in the figure are as follows: 1-a frame; 2, a motor; 3-a first crank link mechanism; 31-a crank of a first crank-link mechanism; 32-the main link of the first crank link mechanism; 4-a second crank link mechanism; 41-a crank of a second crank-link mechanism; 42-the main link of the second crank link mechanism; 5-a first link arm mechanism; 51-big arm link of first link arm mechanism; 52-the small arm link of the first link arm mechanism; 53-the fulcrum link of the first link arm mechanism; 54-bearing seats of the first link arm mechanism; 6-a second link arm mechanism; 61-link type big arm of second link arm mechanism; 62-a small arm connecting rod type small arm of the second connecting rod arm mechanism; 63-a support link of a second link arm mechanism; 64-bearing seats of the second link arm mechanism; 7-proximity switch.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiment of the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Details not described in the embodiments of the present invention belong to the prior art known to those skilled in the art.
As shown in fig. 1, an embodiment of the present invention provides a robot device for wire-lifting performance, including:
the device comprises a rack 1, a motor 2, a first crank link mechanism 3, a second crank link mechanism 4, a first connecting rod arm mechanism 5 and a second connecting rod arm mechanism 6; wherein, the first and the second end of the pipe are connected with each other,
the rack 1 is of a vertical frame structure;
the motor 2 is arranged at the lower part of the frame 1; preferably, a power shaft of the motor 2 extends out of the body of the motor 2 from the front end and the rear end, so that one motor can drive the two groups of crank link mechanisms;
the first connecting rod arm mechanism 5 and the second connecting rod arm mechanism 6 are respectively arranged at two sides of the upper part of the rack 1, and the driving end of the first connecting rod arm mechanism 5 and the driving end of the second connecting rod arm mechanism 6 are both arranged in the rack 1; the first connecting rod arm mechanism 5 and the second connecting rod arm mechanism 6 are respectively movably connected with the rack 1 and can perform the action of swinging up and down on the rack 1 along the movable connection;
the front end of a power shaft of the motor 2 is connected with the driving end of the first connecting rod arm mechanism 5 through the first crank connecting rod mechanism 3, and the first connecting rod arm mechanism 5 can be driven to swing up and down on one side of the rack 1;
the rear end of a power shaft of the motor 2 is connected with the driving end of the second connecting rod arm mechanism 6 through the second crank connecting rod mechanism 4, and the second connecting rod arm mechanism 6 can be driven to swing up and down on the other side of the rack 1.
The above-mentioned device still includes: and the two proximity switches 7 are respectively arranged on two sides of the upper part of the rack 1 and respectively correspond to the first connecting rod arm mechanism 5 and the second connecting rod arm mechanism 6 to be close to the limiting positions of the rack 1. Can provide signal feedback for the motion process of the two connecting rod arm mechanisms.
In the above device, the first link arm mechanism 5 and the second link arm mechanism 6 have the same structure;
the first link arm mechanism 5 includes: a link type large arm 51, a link type small arm 52, a branch link 53 and a bearing seat 54; wherein the content of the first and second substances,
the connecting rod type big arm 51 and the connecting rod type small arm 52 are movably hinged to form an arm of a connecting rod structure;
one end of the supporting connecting rod 53 is movably hinged with the connecting rod type small arm 52, the other end of the supporting connecting rod is movably connected with the bearing seat 54, and the bearing seat 54 is fixedly arranged on a bearing mounting seat on the side surface of the machine frame 1.
In the above device, the support link 53 is a parallel link; the link type large arm 51 and the branch link 53 are in a relatively parallel state or a crossed state. With this structure, when the link-type large arm 51 crosses the branch link 53, the link-type large arm 51 moves upward, and the link-type small arm 52 rises at a larger angle with respect to the rise of the link-type large arm 51; when the link-type large arm 51 is just horizontal with respect to the branch link 53, the link-type large arm 51 moves upward, and the link-type small arm 52 descends at a larger angle with respect to the ascent of the link-type large arm 51.
In the device, the first crank connecting rod mechanism 3 and the second crank connecting rod mechanism 4 are the same in structure;
the first crank link mechanism 3 includes: a crank 31 and a main connecting rod which are connected in sequence;
the other end of the crank 31 is connected with the front end of a power shaft of the motor 2, and can rotate along with the power shaft and drive the main connecting rod 32 to move up and down;
the other end of the main link 32 is movably hinged with the driving end of the first link arm mechanism 5.
In the device, the frame 1 adopts a vertical frame structure consisting of an upper layer frame and a lower layer frame, and both sides of the upper layer frame are provided with bearing mounting seats.
The above-mentioned device still includes: controlling means, respectively with motor 2 electrical connection can control motor 2 warp 3 drives of first crank link mechanism 5 is in the action of swing arm about 1 one side of frame carries out, and warp second crank link mechanism 4 drives second link mechanism 6 is in the action of swing arm about 1 opposite side of frame carries out. Furthermore, the control device is electrically connected to the two proximity switches 7, and can control the corresponding motor 2 to start or stop according to a signal triggered by each proximity switch 7.
Referring to fig. 2 to 4, the thread-lifting performance robot device of the present invention can perform different swing arm actions, such as in one embodiment, the large arms of the thread-lifting robot can be in the same direction (two large arms are lifted up simultaneously (see fig. 3) or put down simultaneously (see fig. 2)) or in the opposite direction (see fig. 4) of one large arm lifting one large arm and putting down; in another embodiment, the small arm of the wire-lifting performance robot device can be in the same direction (the small arm is lifted up and lifted up relative to the large arm and swings down relative to the large arm) or in the opposite direction (the small arm is lifted up and swung down relative to the large arm and swings down relative to the large arm); in another embodiment, the two arms of the wire-lifting performance robot device can be combined and matched at will to form a plurality of action postures according to the above motions.
The utility model discloses a carry line performance robot device simple structure, control are nimble, the good reliability and be convenient for maintain, can carry out the performance of carrying line robot project, for the visitor brings lifelike visual experience, is applied to theme park project, and the device integral erection can be convenient for install on various reservation faces such as rockery plastic stone on the platform.
Embodiments of the present invention will be described in further detail below with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of the present invention provides a line-lifting performance robot apparatus, including: the device comprises a rack 1, a motor 2, a first crank link mechanism 3, a second crank link mechanism 4, a first connecting rod arm mechanism 5 and a second connecting rod arm mechanism 6; wherein the content of the first and second substances,
the machine frame 1 is of a three-dimensional frame structure, supports are provided for all parts, the three-dimensional frame structure formed by an upper layer of frame and a lower layer of frame is preferably adopted, all parts can be conveniently installed in a layered mode, and the form of a robot can be conveniently decorated.
The motor 2 provides power to drive the two connecting rod arm mechanisms to swing.
The first crank-link mechanism 3 and the second crank-link mechanism 4 are the same in structure and are composed of a crank and a main link which are connected in sequence, taking the first crank-link mechanism 3 as an example, a crank 31 of the first crank-link mechanism is connected with the front end of a power shaft of the motor 2 and can rotate by taking the power shaft as a circle center, and the main link 32 outputs reciprocating power under the driving of the crank 31; it is understood that the crank 41 constituting the second crank link mechanism 4 is connected to the rear end of the power shaft of the motor 2.
The first connecting rod arm mechanism 5 and the second connecting rod arm mechanism 6 have the same components and the same component connection relationship, and are respectively composed of a connecting rod type large arm and a connecting rod type small arm which are sequentially connected, a support connecting rod connected to the connecting rod type small arm and a bearing seat supporting the support connecting rod on the machine frame. Taking the first connecting rod arm mechanism 5 as an example, the connecting rod type large arm 51 of the first connecting rod arm mechanism is driven by the main connecting rod 32 of the first crank connecting rod mechanism 3 to perform swinging motion by taking the bearing seat 54 as a circle center, the bearing seat 54 provides swinging and center-rotating support for the connecting rod type large arm 51, one end of the branch connecting rod 53 is fixed on the bearing seat 54 of the rack 1, and the other end is connected to the connecting rod type small arm 52 and is in a parallel or crossed state relative to the connecting rod type large arm 51; one end of the link type small arm 52 is movably connected with the link type large arm 51, the upper part of the same end is connected with the branch connecting rod 53, and the link type small arm 52 swings downwards at a larger angle (swings upwards at a larger angle along with the lifting of the link type large arm 51) according to the parallel (crossed) relative relation of the link type large arm 51 and the branch connecting rod 53.
The proximity switch 7 provides feedback information for the motion process of the two connecting rod arm mechanisms.
The utility model discloses a two arms of robot can be realized through a motor to carry out the action of swaing to the line performance robot device, can be used to carry the project performance of line robot in the large-scale project of travelling, and its simple structure, operation are stable, can realize lifelike action gesture, can bring its action for the visitor and experience by the illusion that external rope pulls.
In this embodiment, fig. 2 illustrates an operation state in which arms on both sides of the wire-lifting performance robot device are lifted up at the same time. Taking the first connecting rod arm mechanism 5 as an example to explain the action process in this state, the motor 2 drives the crank 31 of the first crank connecting rod mechanism 3 to rotate, the crank 31 rotates to the highest point, power is transmitted to the connecting rod type large arm 51 of the first connecting rod arm mechanism 5 through the main connecting rod 32, the driving end of the connecting rod type large arm 51 swings to the lowest position, the opposite relation between the connecting rod type large arm 51 and the support connecting rod 53 is a cross state, one end of the support connecting rod 53 is connected to the rack 1 through the bearing seat 54, the other end is connected to the connecting rod type small arm 52, the connecting rod type small arm 52 is determined by the connecting rod type large arm 51 and the support connecting rod 53, and at this time, the connecting rod type small arm 52 is at the lowest position relative to the connecting rod type large arm 51, so as to realize the action of lifting on the first connecting rod arm mechanism 5. The action process of the second link arm mechanism 6 is identical to that of the first link arm mechanism 5, and is not described in detail herein.
In this embodiment, fig. 3 illustrates an operation state in which arms on both sides of the wire-lifting performance robot device simultaneously swing down. Taking the first connecting rod arm mechanism 5 as an example to explain the action process in this state, the motor 2 drives the crank 31 of the first crank connecting rod mechanism 3 to rotate, the crank 31 rotates to the lowest point, power is transmitted to the connecting rod type large arm 51 of the first connecting rod arm mechanism 5 through the main connecting rod 32, the driving end of the connecting rod type large arm 51 swings to the lowest position, the opposite relation between the connecting rod type large arm 51 and the support connecting rod 53 is a cross state, one end of the support connecting rod 53 is connected to the rack 1 through the bearing seat 54, the other end is connected to the connecting rod type small arm 52, the connecting rod type small arm 52 is determined by the positions of the connecting rod type large arm 51 and the support connecting rod 53, and at this time, the connecting rod type small arm 52 is at the lowest position relative to the connecting rod type large arm 51, so as to realize the action of lifting on the first connecting rod arm mechanism 5. The action process of the second link arm mechanism 6 is identical to that of the first link arm mechanism 5, and is not described in detail herein.
In this embodiment, fig. 4 and 5 both show the operation states of the lifting line performance robot device in which one side arm of the two side arms is swung down and the other side arm is lifted up. Fig. 4 specifically illustrates that the first link arm mechanism 5 as the left arm swings down and the second link arm mechanism 6 as the right arm lifts up; fig. 5 specifically illustrates that the first link arm mechanism 5 as the left arm swings down, and the second link arm mechanism 6 as the right arm lifts up; the operation process of the first connecting rod arm mechanism 5 is as follows: the motor 2 drives the crank 31 of the first crank-link mechanism 3 to rotate, the crank 31 rotates to the highest point, the power is transmitted to the link-type large arm 51 through the main link 32, the driving end of the link-type large arm 51 swings to the top, the link-type large arm 51 and the support link 53 are in a parallel state, one end of the support link 5 is connected to the rack 1 through the bearing seat 54, the other end of the support link is connected to the link-type small arm 52, the link-type small arm 52 is determined by the link-type large arm 51 and the support link 53, and at the moment, the link-type small arm 52 is at the lowest position relative to the link-type large arm 51, so that the downward swinging of the first link-arm mechanism 5 is completed.
The operation process of the second link arm mechanism 6 is different from the operation process of the first link arm mechanism 5 in that the crank 41 of the second crank link mechanism 4 rotates to the lowest point, the link type large arm 51 and the branch link 53 are in a parallel state, and finally the link type small arm 52 is at the uppermost position relative to the link type large arm 51, and the action of lifting the second link arm mechanism 6 is completed.
In this embodiment, fig. 4 illustrates an operation state in which one side of the arms at both sides of the wire-lifting performance robot device swings down and the other side lifts up. Fig. 4 specifically illustrates that the first link arm mechanism 5 as the left arm swings down and the second link arm mechanism 6 as the right arm lifts up; fig. 5 specifically shows that the first link arm mechanism 5 as the left arm is raised and the second link arm mechanism 6 as the right arm is swung down.
The operation of the first link arm mechanism 5 swing down in fig. 4 is taken as an example for explanation: the motor 2 drives the crank 31 of the first crank link mechanism 3 to rotate, the crank 31 rotates to the highest point, the power is transmitted to the link type large arm 51 through the main link 32, the driving end of the link type large arm 51 swings to the uppermost side, the link type large arm 51 is in a parallel state with the branch link 53, one end of the branch link 5 is connected to the rack 1 through the bearing seat 54, the other end of the branch link is connected to the link type small arm 52, the link type small arm 52 is determined by the link type large arm 51 and the branch link 53, and at the moment, the link type small arm 52 is at the lowest position relative to the link type large arm 51, and the downward swinging action of the first link arm mechanism 5 is completed.
The operation process of the second link arm mechanism 6 in fig. 4 is different from the operation process of the first link arm mechanism 5 in that the crank 41 of the second crank arm mechanism 4 rotates to the lowest point, the link type large arm 51 and the branch link 53 are in a parallel state in an opposite relationship, and finally the link type small arm 52 is at the uppermost position relative to the link type large arm 51, and the downward lifting motion of the second link arm mechanism 6 is completed.
The operation process of the two arms in fig. 5 is similar to the operation process of the opposite arm in fig. 4, that is, the operation process of the left arm is similar to the operation process of the right arm in fig. 4, and the operation process of the right arm is similar to the operation process of the left arm in fig. 4, which can be referred to the above description and is not repeated herein.
The above description is only for the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are all covered by the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A robot apparatus for wire-lifting performance, comprising:
the device comprises a rack (1), a motor (2), a first crank connecting rod mechanism (3), a second crank connecting rod mechanism (4), a first connecting rod arm mechanism (5) and a second connecting rod arm mechanism (6); wherein the content of the first and second substances,
the rack (1) is of a vertical frame structure;
the motor (2) is arranged at the lower part of the frame (1);
the first connecting rod arm mechanism (5) and the second connecting rod arm mechanism (6) are respectively arranged on two sides of the upper part of the rack (1), and the driving end of the first connecting rod arm mechanism (5) and the driving end of the second connecting rod arm mechanism (6) are both arranged in the rack (1); the first connecting rod arm mechanism (5) and the second connecting rod arm mechanism (6) are respectively movably connected with the rack (1) and can perform the action of swinging up and down on the rack (1) along the movable connection;
the front end of a power shaft of the motor (2) is connected with the driving end of the first connecting rod arm mechanism (5) through the first crank-link mechanism (3), and the first connecting rod arm mechanism (5) can be driven to swing up and down on one side of the rack (1);
the rear end of a power shaft of the motor (2) is connected with the driving end of the second connecting rod arm mechanism (6) through the second crank connecting rod mechanism (4), and the second connecting rod arm mechanism (6) can be driven to move up and down in the swinging mode on the other side of the rack (1).
2. The wire-lifting performance robot apparatus of claim 1, further comprising:
and the two proximity switches (7) are respectively arranged on two sides of the upper part of the rack (1) and respectively correspond to the first connecting rod arm mechanism (5) and the second connecting rod arm mechanism (6) which are close to the limiting positions of the rack (1).
3. A wire-lifting performance robot device according to claim 1 or 2, characterized in that the first and second link arm mechanisms (5, 6) are of the same construction;
the first link arm mechanism (5) includes: a connecting rod type big arm (51), a connecting rod type small arm (52), a support connecting rod (53) and a bearing seat (54); wherein, the first and the second end of the pipe are connected with each other,
the connecting rod type big arm (51) and the connecting rod type small arm (52) are movably hinged to form an arm of a connecting rod structure;
one end of the supporting connecting rod (53) is movably hinged with the connecting rod type small arm (52), the other end of the supporting connecting rod is movably connected with the bearing seat (54), and the bearing seat (54) is fixedly arranged on a bearing mounting seat on the side surface of the rack (1).
4. A wire-lifting performance robot apparatus according to claim 3, characterized in that the fulcrum links (53) are parallel links;
the connecting rod type large arm (51) and the branch connecting rod (53) are in a relatively parallel state or a crossed state.
5. A wire-lifting performance robot device according to claim 1 or 2, characterized in that the first crank-link mechanism (3) and the second crank-link mechanism (4) are identically constructed;
the first crank link mechanism (3) includes: a crank (31) and a main connecting rod which are connected in sequence;
the other end of the crank (31) is connected with the front end of a power shaft of the motor (2) and can rotate along with the power shaft and drive the main connecting rod (32) to move up and down;
the other end of the main connecting rod (32) is movably hinged with the driving end of the first connecting rod arm mechanism (5).
6. The thread-lifting performance robot device according to claim 1 or 2, wherein the power shaft of the motor (2) extends out of the motor (2) body from the front end and the rear end.
7. The wire-lifting performance robot device as claimed in claim 1 or 2, wherein the frame (1) is a vertical frame structure consisting of an upper frame and a lower frame, and bearing mounting seats are arranged on two sides of the upper frame.
8. The wire-lifting performance robot apparatus according to claim 1 or 2, further comprising: the control device is respectively electrically connected with the motor (2) and can control the motor (2) to pass through the first crank link mechanism (3) to drive the first link arm mechanism (5) to move up and down the swing arm on one side of the rack (1), and the second crank link mechanism (4) to drive the second link arm mechanism (6) to move up and down the swing arm on the other side of the rack (1).
9. The robot device for wire-lifting performance according to claim 8, characterized in that the control device is electrically connected with two proximity switches (7) respectively, and can control the starting or stopping of the corresponding motor (2) according to the triggered signal of each proximity switch (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121456087.5U CN217372358U (en) | 2021-06-29 | 2021-06-29 | Line-lifting performance robot device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121456087.5U CN217372358U (en) | 2021-06-29 | 2021-06-29 | Line-lifting performance robot device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217372358U true CN217372358U (en) | 2022-09-06 |
Family
ID=83083329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121456087.5U Active CN217372358U (en) | 2021-06-29 | 2021-06-29 | Line-lifting performance robot device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217372358U (en) |
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2021
- 2021-06-29 CN CN202121456087.5U patent/CN217372358U/en active Active
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