CN209980543U - Contrast explanation device - Google Patents
Contrast explanation device Download PDFInfo
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- CN209980543U CN209980543U CN201920486448.7U CN201920486448U CN209980543U CN 209980543 U CN209980543 U CN 209980543U CN 201920486448 U CN201920486448 U CN 201920486448U CN 209980543 U CN209980543 U CN 209980543U
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Abstract
The utility model relates to an explanation device field especially relates to a contrast explanation device, including the main board frame, contrast grillage, power device and fixing device, the main board frame include backup pad, bracing piece, fixed plate, chute board, right side board, slide, main board and left side board, the contrast grillage include sliding frame, mounting hole, contrast board, axis of rotation, slider, drive plate and fixed orifices, power device include motor, motor gear, drive gear and screw lead screw, fixing device include dead lever, fender ring, spring, baffle and handle, the main board frame still include semicircle ring, magnet board, slide and contrast groove, the utility model discloses can make main board and contrast board mutually support, be convenient for contrast explanation, convenient to use.
Description
Technical Field
The utility model relates to an explanation device field especially relates to a contrast explanation device.
Background
The most single show board that is only a board of saying of current explanation board, the exposer when explaining through this type show board, can only explain the content on the show board, inconvenient contrast explanation, consequently, need a contrast explanation device to assist the exposer, the exposer of being convenient for compares the explanation.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a contrast explanation device can make main board and contrast board mutually support, is convenient for contrast explanation, convenient to use.
The purpose of the utility model is realized through the following technical scheme:
a contrast explanation device, which comprises a main board frame, a contrast board frame, a power device and a fixing device, the main board frame comprises a supporting plate, a supporting rod, a fixed plate, two slideway plates, a main board and a left side board, wherein the lower end of the supporting rod is fixedly connected on the supporting plate, the fixed plate is fixedly connected at the upper end of the supporting rod, the two slideway plates are respectively and fixedly connected at the upper end and the lower end of the main board, the slideway plate at the lower end is fixedly connected on the fixed plate, the two slideway plates are respectively arranged on the two slideway plates, the right side board and the left side board are respectively and fixedly connected at the right end and the left end of the slideway plate at the lower end, the contrast plate frame is connected in the two slide ways in a sliding way, the power device is rotationally connected with the right side plate and the left side plate, the comparison plate frame is connected with the power device through threads, and the fixing device is connected to the comparison plate frame in a sliding mode.
The comparison grillage include sliding frame, the mounting hole, the comparison board, the axis of rotation, the slider, drive plate and fixed orifices, the mounting hole sets up the right-hand member at sliding frame, the axis of rotation is rotated and is connected the middle-end at sliding frame, the comparison board rotates to be connected in the axis of rotation, the comparison board is located sliding frame, the slider is equipped with two, two sliders are fixed connection respectively at the left upper and lower both ends of sliding frame, drive plate fixed connection is on the slider that is located the lower extreme, the fixed orifices is equipped with two, two fixed orifices set up both ends about the comparison board respectively, two sliders are sliding connection respectively in two slides, sliding frame's upper and lower both ends face respectively with two slide way board sliding connection, the drive plate passes through threaded connection with power device, fixing device and mounting hole and fixed.
The power device comprises a motor, a motor gear, a transmission gear and a threaded lead screw, the motor is fixedly connected to a left side plate, an output shaft of the motor penetrates through the left side plate and is fixedly connected with the motor gear, the left end and the right end of the threaded lead screw are respectively rotatably connected with the left side plate and the right side plate through bearings, the threaded lead screw rotates around the axis of the threaded lead screw and is axially fixed, the transmission gear is fixedly connected to the left end of the threaded lead screw, the transmission gear is in meshing transmission connection with the motor gear, and a driving plate is in threaded connection with.
Fixing device include dead lever, fender ring, spring, baffle and handle, keep off ring fixed connection on the dead lever, baffle fixed connection is in the one end of dead lever, handle fixed connection is on the baffle, the spring housing is established on the dead lever, keep off ring clearance fit sliding connection in the mounting hole, the left end sliding connection of dead lever is in the fixed orifices, the spring is located the mounting hole, the one end and the fender ring contact of spring, the other end and the sliding frame contact of spring, the baffle and the laminating of sliding frame.
The main board frame of talkbacking still include semicircle ring, magnet board, slide and contrast groove, the left end of main board of talkbacking be equipped with the magnetic stripe, the main board from the top down evenly is provided with a plurality of contrast grooves, equal sliding connection has the slide in a plurality of contrast grooves, the equal fixedly connected with magnet board of the left end of a plurality of slides, equal fixedly connected right semicircle ring on a plurality of magnet boards, a plurality of magnet boards all laminate with the left end of main board.
The utility model has the advantages that: the utility model provides a contrast explanation device, through the use of main board frame, contrast grillage, power device and fixing device, can make main board and contrast board mutually support, the contrast explanation of being convenient for, convenient to use.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the overall structure of the present invention;
fig. 3 is a first structural schematic view of the main board frame of the present invention;
fig. 4 is a schematic structural view of a main board rack of the present invention;
fig. 5 is a schematic structural view of a control board frame of the present invention;
fig. 6 is a schematic cross-sectional view of the control plate frame of the present invention;
FIG. 7 is a schematic structural view of the power plant of the present invention;
fig. 8 is a schematic structural view of the fixing device of the present invention.
In the figure: a main floor rack 1; a support plate 1-1; 1-2 of a support rod; fixing plates 1-3; 1-4 of a slideway plate; 1-5 parts of a right side plate; 1-6 of a slideway; 1-7 of a main board; 1-8 parts of a left side plate; 1-9 parts of semicircular ring; 1-10 magnet plates; 1-11 of a sliding plate; 1-12 of a comparison tank; a comparison plate frame 2; a slide frame 2-1; mounting holes 2-2; 2-3 of a comparison plate; 2-4 of a rotating shaft; 2-5 of a slide block; drive plates 2-6; 2-7 of a fixing hole; a power plant 3; a motor 3-1; a motor gear 3-2; a transmission gear 3-3; 3-4 parts of a threaded lead screw; a fixing device 4; fixing a rod 4-1; a baffle ring 4-2; 4-3 of a spring; 4-4 of a baffle plate; and 4-5 of a handle.
Detailed Description
The present invention will be described in further detail with reference to the accompanying fig. 1-8.
The first embodiment is as follows:
as shown in fig. 1-8, a contrast explanation device comprises a main board frame 1, a contrast board frame 2, a power device 3 and a fixing device 4, wherein the main board frame 1 comprises a supporting plate 1-1, a supporting rod 1-2, a fixing plate 1-3, a slideway plate 1-4, a right side plate 1-5, a slideway 1-6, a main board 1-7 and a left side plate 1-8, the lower end of the supporting rod 1-2 is fixedly connected to the supporting plate 1-1, the fixing plate 1-3 is fixedly connected to the upper end of the supporting rod 1-2, the number of the slideway plates 1-4 is two, the two slideway plates 1-4 are respectively and fixedly connected to the upper and lower ends of the main board 1-7, the slideway plate 1-4 at the lower end is fixedly connected to the fixing plate 1-3, the number of the slideway plates 1-6 is two, the two slideways 1-6 are respectively arranged on the two slideway plates 1-4, the right side plate 1-5 and the left side plate 1-8 are respectively and fixedly connected with the right and left ends of the slideway plates 1-4 at the lower end, the comparison plate frame 2 is slidably connected in the two slideways 1-6, the power device 3 is rotatably connected with the right side plate 1-5 and the left side plate 1-8, the comparison plate frame 2 is connected with the power device 3 through threads, and the fixing device 4 is slidably connected on the comparison plate frame 2.
When in use, the whole device is supported and fixed by the supporting plate 1-1, the supporting rod 1-2 and the fixing plate 1-3, the content to be contrasted and explained is written or pasted on the contrast plate 2-3 in advance, when the explanation is carried out on people by an instructor through the main board 1-7, the power device 3 is started when the contrast explanation is needed, the contrast plate 2-3 slides out from the back of the main board 1-7 to the right along the slideway 1-6 through the threaded connection of the power device 3 and the contrast plate frame 2, the content on the contrast plate 2-3 is displayed in front of the people, so that the instructor can mutually match and contrast the main board 1-7 and the contrast plate 2-3 for explanation, the explanation content is easier to understand, the fixing device 4 is opened, the contrast plate 2-3 can rotate, the back end face of the contrast plate 2-3 rotates in front, the use area of the comparison plates 2-3 is increased, and meanwhile, an instructor can be assisted to write some comparison teaching contents temporarily.
The second embodiment is as follows:
as shown in fig. 1-8, the comparison plate frame 2 comprises a sliding frame 2-1, mounting holes 2-2, a comparison plate 2-3, a rotating shaft 2-4, sliders 2-5, a driving plate 2-6 and fixing holes 2-7, wherein the mounting holes 2-2 are arranged at the right end of the sliding frame 2-1, the rotating shaft 2-4 is rotatably connected at the middle end of the sliding frame 2-1, the comparison plate 2-3 is rotatably connected on the rotating shaft 2-4, the comparison plate 2-3 is positioned in the sliding frame 2-1, the sliders 2-5 are provided with two, the two sliders 2-5 are respectively and fixedly connected at the upper end and the lower end of the left side of the sliding frame 2-1, the driving plate 2-6 is fixedly connected on the slider 2-5 positioned at the lower end, the fixing holes 2-7 are provided with, two fixing holes 2-7 are respectively arranged at the left end and the right end of the comparison plate 2-3, two sliding blocks 2-5 are respectively connected in two slideways 1-6 in a sliding manner, the upper end face and the lower end face of the sliding frame 2-1 are respectively connected with the two slideways 1-4 in a sliding manner, the driving plate 2-6 is connected with the power device 3 through threads, and the fixing device 4 is connected with the mounting hole 2-2 and the fixing holes 2-7 in a sliding manner.
When the comparison plate frame 2 is used, the driving plate 2-6 is connected with the power device 3 through threads, after the power device 3 is started, the driving plate 2-6 moves rightwards, the driving plate 2-6 drives the sliding block 2-5 to move rightwards in the sliding way 1-6, the sliding frame 2-1 moves rightwards along with the sliding block 2-5, when the sliding block 2-5 moves to the rightmost end of the sliding way 1-6, the power device 3 is stopped, the driving plate 2-6 is connected with the power device 3 through threads, the sliding frame 2-1 is fixed at the position, the comparison plate 2-3 positioned in the sliding frame 2-1 completely slides out of the rear end of the main talkback plate 1-7 and is displayed, when the comparison plate 2-3 needs to be turned over, the fixing device 4 is opened, so that the fixing device 4 is separated from the fixing hole 2-7, the right end of the comparison plate 2-3 is directly pushed, the comparison plate 2-3 rotates around the rotating shaft 2-4, and after the comparison plate 2-3 is completely turned over, the comparison plate 2-3 is connected with another fixing hole 2-7 through the fixing device 4 to be fixed in the state.
The third concrete implementation mode:
as shown in fig. 1-8, the power device 3 comprises a motor 3-1, a motor gear 3-2, the motor 3-1 is fixedly connected to the left side plate 1-8, an output shaft of the motor 3-1 penetrates through the left side plate 1-8 to be fixedly connected with the motor gear 3-2, the left end and the right end of the threaded lead screw 3-4 are respectively in rotating connection with the left side plate 1-8 and the right side plate 1-5 through bearings, the threaded lead screw 3-4 rotates around the axis of the threaded lead screw and is axially fixed, the transmission gear 3-3 is fixedly connected to the left end of the threaded lead screw 3-4, the transmission gear 3-3 is in meshing transmission connection with the motor gear 3-2, and the driving plate 2-6 is in threaded connection with the threaded lead screw 3-4.
When the power device 3 is used, the motor 3-1 is started, an output shaft of the motor 3-1 drives the motor gear 3-2, the transmission gear 3-3 is in meshing transmission connection with the motor gear 3-2 through the transmission gear 3-3, the transmission gear 3-3 rotates, the transmission gear 3-3 drives the threaded lead screw 3-4 to rotate, and the drive plate 2-6 is in threaded connection with the threaded lead screw 3-4 through the drive plate 2-6, so that the drive plate 2-6 moves on the threaded lead screw 3-4.
The fourth concrete implementation mode:
as shown in fig. 1-8, the fixing device 4 comprises a fixing rod 4-1, a baffle ring 4-2, a spring 4-3, a baffle 4-4 and a handle 4-5, the baffle ring 4-2 is fixedly connected to the fixing rod 4-1, the baffle 4-4 is fixedly connected to one end of the fixing rod 4-1, the handle 4-5 is fixedly connected to the baffle 4-4, the spring 4-3 is sleeved on the fixing rod 4-1, the baffle ring 4-2 is in clearance fit sliding connection with the mounting hole 2-2, the left end of the fixing rod 4-1 is in sliding connection with the fixing hole 2-7, the spring 4-3 is located in the mounting hole 2-2, one end of the spring 4-3 is in contact with the baffle ring 4-2, the other end of the spring 4-3 is in contact with the sliding frame 2-1, the baffle 4-4 is attached to the sliding frame 2-1.
When the fixing device 4 is used, the handle 4-5 is pulled to separate the baffle 4-4 from the sliding frame 2-1, the fixing rod 4-1 moves outwards, the baffle ring 4-2 slides outwards in the mounting hole 2-2 and presses the spring 4-3 until the left end of the fixing rod 4-1 is separated from the fixing hole 2-7, at the moment, the contrast plate 2-3 can be rotated, after the contrast plate 2-3 is completely overturned, the other fixing hole 2-7 on the contrast plate 2-3 corresponds to the left end of the fixing rod 4-1, the handle 4-5 is slowly loosened, the fixing rod 4-1 slides leftwards through the elasticity of the spring 4-3 until the left end of the fixing rod 4-1 slides into the fixing hole 2-7, and the baffle 4-4 is attached to the sliding frame 2-1, at this point the control plate 2-3 is again fixed.
The fifth concrete implementation mode:
as shown in fig. 1-8, the main board frame 1 further includes semicircular rings 1-9, magnet plates 1-10, sliding plates 1-11 and comparison grooves 1-12, the left end of the main board 1-7 is provided with a magnetic stripe, the main board 1-7 is uniformly provided with a plurality of comparison grooves 1-12 from top to bottom, the plurality of comparison grooves 1-12 are internally and slidably connected with the sliding plates 1-11, the left ends of the plurality of sliding plates 1-11 are fixedly connected with the magnet plates 1-10, the plurality of magnet plates 1-10 are fixedly connected with the right semicircular rings 1-9, and the plurality of magnet plates 1-10 are attached to the left end of the main board 1-7.
When a teacher carries out foreign Chinese language, one language can be written on the main speaking plate 1-7 in advance during lessons preparation, the other language corresponding to the language is written in the lower comparison groove 1-12, then the sliding plate 1-11 is slid into the comparison groove 1-12 to shield the comparison groove, the magnetic strip is arranged at the left end of the magnetic plate 1-10 and the main speaking plate 1-7 to prevent the sliding plate 1-11 from easily sliding out of the comparison groove 1-12, when the teacher carries out explanation, the sliding plate 1-11 is pulled out from the comparison groove 1-12 through the semi-circular ring 1-9 to display the mutual comparison of the two languages, so that the up-and-down corresponding explanation and the foreign language can be more easily understood and memorized by students.
The utility model relates to a contrast explanation device, its theory of use is: when in use, the whole device is supported and fixed by the supporting plate 1-1, the supporting rod 1-2 and the fixing plate 1-3, the content to be contrasted and explained is written or pasted on the contrast plate 2-3 in advance, when the explanation is carried out on people by an instructor through the main board 1-7, the power device 3 is started when the contrast explanation is needed, the contrast plate 2-3 slides out from the back of the main board 1-7 to the right along the slideway 1-6 through the threaded connection of the power device 3 and the contrast plate frame 2, the content on the contrast plate 2-3 is displayed in front of the people, so that the instructor can mutually match and contrast the main board 1-7 and the contrast plate 2-3 for explanation, the explanation content is easier to understand, the fixing device 4 is opened, the contrast plate 2-3 can rotate, the back end face of the contrast plate 2-3 rotates in front, the use area of the comparison plates 2-3 is increased, and meanwhile, an instructor can be assisted to write some comparison teaching contents temporarily. When the comparison plate frame 2 is used, the driving plate 2-6 is connected with the power device 3 through threads, after the power device 3 is started, the driving plate 2-6 moves rightwards, the driving plate 2-6 drives the sliding block 2-5 to move rightwards in the sliding way 1-6, the sliding frame 2-1 moves rightwards along with the sliding block 2-5, when the sliding block 2-5 moves to the rightmost end of the sliding way 1-6, the power device 3 is stopped, the driving plate 2-6 is connected with the power device 3 through threads, the sliding frame 2-1 is fixed at the position, the comparison plate 2-3 positioned in the sliding frame 2-1 completely slides out of the rear end of the main talkback plate 1-7 and is displayed, when the comparison plate 2-3 needs to be turned over, the fixing device 4 is opened, so that the fixing device 4 is separated from the fixing hole 2-7, the right end of the comparison plate 2-3 is directly pushed, the comparison plate 2-3 rotates around the rotating shaft 2-4, and after the comparison plate 2-3 is completely turned over, the comparison plate 2-3 is connected with another fixing hole 2-7 through the fixing device 4 to be fixed in the state. When the power device 3 is used, the motor 3-1 is started, an output shaft of the motor 3-1 drives the motor gear 3-2, the transmission gear 3-3 is in meshing transmission connection with the motor gear 3-2 through the transmission gear 3-3, the transmission gear 3-3 rotates, the transmission gear 3-3 drives the threaded lead screw 3-4 to rotate, and the drive plate 2-6 is in threaded connection with the threaded lead screw 3-4 through the drive plate 2-6, so that the drive plate 2-6 moves on the threaded lead screw 3-4. When the fixing device 4 is used, the handle 4-5 is pulled to separate the baffle 4-4 from the sliding frame 2-1, the fixing rod 4-1 moves outwards, the baffle ring 4-2 slides outwards in the mounting hole 2-2 and presses the spring 4-3 until the left end of the fixing rod 4-1 is separated from the fixing hole 2-7, at the moment, the contrast plate 2-3 can be rotated, after the contrast plate 2-3 is completely overturned, the other fixing hole 2-7 on the contrast plate 2-3 corresponds to the left end of the fixing rod 4-1, the handle 4-5 is slowly loosened, the fixing rod 4-1 slides leftwards through the elasticity of the spring 4-3 until the left end of the fixing rod 4-1 slides into the fixing hole 2-7, and the baffle 4-4 is attached to the sliding frame 2-1, at this point the control plate 2-3 is again fixed. When a teacher carries out foreign Chinese language, one language can be written on the main speaking plate 1-7 in advance during lessons preparation, the other language corresponding to the language is written in the lower comparison groove 1-12, then the sliding plate 1-11 is slid into the comparison groove 1-12 to shield the comparison groove, the magnetic strip is arranged at the left end of the magnetic plate 1-10 and the main speaking plate 1-7 to prevent the sliding plate 1-11 from easily sliding out of the comparison groove 1-12, when the teacher carries out explanation, the sliding plate 1-11 is pulled out from the comparison groove 1-12 through the semi-circular ring 1-9 to display the mutual comparison of the two languages, so that the up-and-down corresponding explanation and the foreign language can be more easily understood and memorized by students.
Of course, the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art can make variations within the scope of the present invention; modifying; addition or replacement also belong to the protection scope of the utility model.
Claims (5)
1. The utility model provides a contrast explanation device, includes main board frame (1), contrast board frame (2), power device (3) and fixing device (4), its characterized in that: the main board frame (1) comprises a supporting plate (1-1), supporting rods (1-2), a fixing plate (1-3), slideway plates (1-4), a right side plate (1-5), slideways (1-6), main board (1-7) and a left side plate (1-8), the lower end of the supporting rod (1-2) is fixedly connected to the supporting plate (1-1), the fixing plate (1-3) is fixedly connected to the upper ends of the supporting rods (1-2), two slideway plates (1-4) are arranged, the two slideway plates (1-4) are respectively and fixedly connected to the upper end and the lower end of the main board (1-7), the slideway plate (1-4) at the lower end is fixedly connected to the fixing plate (1-3), two slideways (1-6) are arranged, the two slideways (1-6) are respectively arranged on the two slideway plates (1-4), the right side plate (1-5) and the left side plate (1-8) are respectively and fixedly connected to the right and left ends of the slideway plates (1-4) at the lower end, the comparison plate frame (2) is connected in the two slideways (1-6) in a sliding manner, the power device (3) is rotatably connected with the right side plate (1-5) and the left side plate (1-8), the comparison plate frame (2) is connected with the power device (3) through threads, and the fixing device (4) is connected on the comparison plate frame (2) in a sliding manner.
2. A contrast interpretation apparatus according to claim 1, wherein: the comparison plate frame (2) comprises a sliding frame (2-1), mounting holes (2-2), comparison plates (2-3), rotating shafts (2-4), sliding blocks (2-5), driving plates (2-6) and fixing holes (2-7), wherein the mounting holes (2-2) are formed in the right end of the sliding frame (2-1), the rotating shafts (2-4) are rotatably connected to the middle end of the sliding frame (2-1), the comparison plates (2-3) are rotatably connected to the rotating shafts (2-4), the comparison plates (2-3) are located in the sliding frame (2-1), two sliding blocks (2-5) are arranged, the two sliding blocks (2-5) are respectively and fixedly connected to the upper end and the lower end of the left side of the sliding frame (2-1), the driving plates (2-6) are fixedly connected to the sliding blocks (2-5) located at the lower end, two fixing holes (2-7) are arranged, the two fixing holes (2-7) are respectively arranged at the left end and the right end of the comparison plate (2-3), the two sliding blocks (2-5) are respectively connected in the two sliding ways (1-6) in a sliding manner, the upper end face and the lower end face of the sliding frame (2-1) are respectively connected with the two sliding way plates (1-4) in a sliding manner, the driving plate (2-6) is connected with the power device (3) through threads, and the fixing device (4) is connected with the mounting hole (2-2) and the fixing holes (2-7) in a sliding manner.
3. A contrast interpretation apparatus according to claim 2, wherein: the power device (3) comprises a motor (3-1) and a motor gear (3-2), the motor (3-1) is fixedly connected to the left side plate (1-8), an output shaft of the motor (3-1) penetrates through the left side plate (1-8) to be fixedly connected with the motor gear (3-2), the left end and the right end of the threaded lead screw (3-4) are rotatably connected with the left side plate (1-8) and the right side plate (1-5) respectively, the transmission gear (3-3) is fixedly connected to the left end of the threaded lead screw (3-4), the transmission gear (3-3) is in meshing transmission connection with the motor gear (3-2), and the driving plate (2-6) is in threaded connection with the threaded lead screw (3-4).
4. A contrast interpretation apparatus according to claim 3, wherein: the fixing device (4) comprises a fixing rod (4-1), a baffle ring (4-2), a spring (4-3), a baffle plate (4-4) and a handle (4-5), the baffle ring (4-2) is fixedly connected on the fixing rod (4-1), the baffle plate (4-4) is fixedly connected at one end of the fixing rod (4-1), the handle (4-5) is fixedly connected on the baffle plate (4-4), the spring (4-3) is sleeved on the fixing rod (4-1), the baffle ring (4-2) is in clearance fit sliding connection in the mounting hole (2-2), the left end of the fixing rod (4-1) is in sliding connection in the fixing hole (2-7), the spring (4-3) is positioned in the mounting hole (2-2), one end of the spring (4-3) is in contact with the baffle ring (4-2), the other end of the spring (4-3) is contacted with the sliding frame (2-1), and the baffle (4-4) is jointed with the sliding frame (2-1).
5. A contrast interpretation apparatus according to claim 1, wherein: the novel blackboard is characterized in that the main board frame (1) further comprises semicircular rings (1-9), magnet plates (1-10), sliding plates (1-11) and comparison grooves (1-12), the left end of the main board (1-7) is provided with a magnetic strip, the main board (1-7) is uniformly provided with a plurality of comparison grooves (1-12) from top to bottom, the sliding plates (1-11) are connected in the comparison grooves (1-12) in a sliding mode, the magnet plates (1-10) are fixedly connected at the left ends of the sliding plates (1-11), the right semicircular rings (1-9) are fixedly connected on the magnet plates (1-10), and the magnet plates (1-10) are attached to the left end of the main board (1-7).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201920486448.7U CN209980543U (en) | 2019-04-11 | 2019-04-11 | Contrast explanation device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920486448.7U CN209980543U (en) | 2019-04-11 | 2019-04-11 | Contrast explanation device |
Publications (1)
Publication Number | Publication Date |
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CN209980543U true CN209980543U (en) | 2020-01-21 |
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ID=69257758
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201920486448.7U Expired - Fee Related CN209980543U (en) | 2019-04-11 | 2019-04-11 | Contrast explanation device |
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CN (1) | CN209980543U (en) |
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2019
- 2019-04-11 CN CN201920486448.7U patent/CN209980543U/en not_active Expired - Fee Related
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CF01 | Termination of patent right due to non-payment of annual fee |
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