CN216772611U - Sectional type distance education device - Google Patents
Sectional type distance education device Download PDFInfo
- Publication number
- CN216772611U CN216772611U CN202220084616.1U CN202220084616U CN216772611U CN 216772611 U CN216772611 U CN 216772611U CN 202220084616 U CN202220084616 U CN 202220084616U CN 216772611 U CN216772611 U CN 216772611U
- Authority
- CN
- China
- Prior art keywords
- section
- support
- thick bamboo
- base
- machine body
- 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.)
- Active
Links
Images
Landscapes
- Electrically Operated Instructional Devices (AREA)
Abstract
The utility model relates to the technical field of remote education, in particular to a sectional type remote education device, which comprises a machine body, wherein a touch screen is arranged on the surface of the machine body, a camera is arranged above the machine body through a support rod, a base is arranged below the machine body, and a support assembly is arranged between the base and the machine body; the surface of the base is provided with a stabilizing mechanism; a segmenting mechanism is arranged on the surface of the supporting component, and a fixing part and a fixing column are arranged inside the segmenting mechanism; the surface of the machine body is provided with a cleaning mechanism. The utility model not only improves the convenience degree and the stability of the remote education device in use, but also avoids the phenomenon of fuzzy observation of the touch screen in use.
Description
Technical Field
The utility model relates to the technical field of remote education, in particular to a sectional type remote education device.
Background
The remote education system aims to realize an efficient teaching mode of individuation and education according to the factors, is a revolution to the traditional teaching mode, breaks through the limitation of the traditional face-to-face teaching, and provides an innovative learning mode with time dispersion, free arrangement of learning, resource sharing, wide region and interaction for learners.
Through search, the patent number is 201711066787.1, the name is a utility model of a remote education device, which comprises universal wheels, a base, a frame, a platform, a support rod, a frame, a touch screen and an audio transmission device, wherein the upper end of the universal wheels is connected with the base through bolts, the upper end of the base is welded with the frame, the upper end of the frame is jointed with the platform, the upper end of the base is welded with the support rod, the upper end of the support rod is connected with the frame through bolts, the touch screen is embedded in the frame, the upper end of the frame is connected with the audio transmission device through bolts, and the research and analysis find that, the remote education apparatus can perform real-time video transmission to make the teaching easier and reduce the teaching pressure, thereby making the remote education simpler, however, firstly, the remote education device is fixed in height when in use and is inconvenient to adjust and carry, so that the convenience degree of the remote education device in use is seriously influenced; secondly, the remote education device is difficult to realize the auxiliary supporting function when in use, thereby reducing the stability of the remote education device when in use; and thirdly, the remote education device is not provided with a cleaning function for the touch screen when in use, thereby easily causing the phenomenon that the touch screen is observed fuzzily when the remote education device is used.
SUMMERY OF THE UTILITY MODEL
The present invention is directed to a sectional type distance education device, which solves the problems of the prior art that the convenience of the distance education device is low, the stability is low, and the like.
In order to achieve the purpose, the utility model provides the following technical scheme: a sectional type remote education device comprises a machine body, wherein a touch screen is arranged on the surface of the machine body, a camera is mounted above the machine body through a supporting rod, a base is arranged below the machine body, and a supporting assembly is arranged between the base and the machine body; the surface of the base is provided with a stabilizing mechanism; a segmenting mechanism is arranged on the surface of the supporting component, and a fixing part and a fixing column are arranged inside the segmenting mechanism; the surface of the machine body is provided with a cleaning mechanism.
Preferably, the supporting component comprises a tail section supporting cylinder, a middle section supporting cylinder and a head section supporting cylinder, the center position department of one side of the machine body is fixed with the head section supporting cylinder, the lower part of the head section supporting cylinder is provided with the tail section supporting cylinder, the bottom of the tail section supporting cylinder is fixedly connected with the surface of the base, and the tail section supporting cylinder and the head section supporting cylinder are provided with a plurality of middle section supporting cylinders.
Preferably, the inside of stabilizing mean is including support frame and absorption portion, the support frame be located the back end support section of thick bamboo with between the base, and the both ends of support frame are respectively through screw and back end support section of thick bamboo with the base is fixed mutually for to the back end support section of thick bamboo with the auxiliary stay of base.
Preferably, the adsorption part comprises accepting groove, sucking disc, spacing post, cover post and spacing groove, the accepting groove is seted up respectively the bottom of base, just the inner wall of accepting groove is fixed with the cover post, the surface of cover post all is fixed with equidistant spacing post, the surface cover of cover post is equipped with the sucking disc, just the spacing groove has been seted up along circumference in the top position department of sucking disc, and the spacing groove with the spacing post is mutually supported.
Preferably, the fixed column is fixed respectively the first section support section of thick bamboo with the bottom of a middle section support section of thick bamboo, the fixed part comprises fastening bolt, elasticity fastener, draw-in groove and screw, the screw has all been seted up on the surface of fixed column both sides, the last section support section of thick bamboo with the both sides of a middle section support section of thick bamboo all threaded connection have fastening bolt, just fastening bolt's one end is run through respectively the last section support section of thick bamboo with a middle section support section of thick bamboo and with the screw is screw-thread fit each other, the draw-in groove has all been seted up on the surface of fixed column both sides, the last section support section of thick bamboo with the inner wall of a middle section support section of thick bamboo all is fixed with the elasticity fastener, just the elasticity fastener with the mutual joint cooperation of draw-in groove.
Preferably, the inside of clean mechanism includes clean portion and sliding frame, the sliding frame is fixed the both sides of organism, clean portion comprises connecting plate, clean cotton and ball, the surface of organism is provided with the connecting plate, just the structure of connecting plate is U type structure, and the both ends of connecting plate all extend to clean portion's inside and with clean portion sliding fit each other, the both ends of connecting plate all imbed and are provided with the ball, just the ball with clean portion is mutually supported, the surface bonding of connecting plate has clean cotton, be used for right the surperficial cleanness of touch-sensitive screen.
Compared with the prior art, the utility model has the beneficial effects that: the sectional type remote education device not only improves the convenience degree of the remote education device in use and improves the stability of the remote education device in use, but also avoids the phenomenon of fuzzy observation of the touch screen when the remote education device is in use;
1. the middle section supporting barrel is placed below the first section supporting barrel through the elastic clamping piece, the clamping groove, the fixing column and the fastening bolt, the middle section supporting barrel is sleeved on the surface of the fixing column, the middle section supporting barrel is fixed under the action of the elastic clamping piece and the clamping groove, then the fastening bolt is rotated, the middle section supporting barrel is fixed under the threaded fit of the fastening bolt and the screw hole, and then the middle section supporting barrels are assembled according to needs in the same way, and finally the tail section supporting barrel is sleeved on the surface of the fixing column to assemble the machine body, so that the functions of facilitating assembly and adjustment of the remote education device are realized, and the convenience degree of the remote education device in use is improved;
2. the sucker is sleeved on the surface of the sleeve column through the sucker, the limiting column, the containing groove and the supporting frame, the sucker is pushed upwards to enable the limiting column to be located at the bottom of the limiting groove, then the sucker is rotated to enable the limiting column to be located at the included angle of the limiting groove, the limiting column is limited, the adsorption part is fixed inside the containing groove, the base is tightly attached to the placing surface under the action of the sucker, then the supporting frame is fixed between the base and the tail section supporting cylinder through screws, the tail section supporting cylinder is supported, the auxiliary supporting function of the remote education device is realized, and the stability of the remote education device in use is improved;
3. through being provided with the connecting plate, smooth frame, clean cotton and ball, the pulling connecting plate makes the connecting plate slide under the effect of smooth frame to reduced the frictional force that the connecting plate received under the effect of ball, made the connecting plate change the removal, at this moment, the connecting plate drives clean cotton and cleans the touch-sensitive screen surface, has realized the clean function of remote education device to the touch-sensitive screen, thereby has avoided taking place the blurred phenomenon of touch-sensitive screen observation when the remote education device uses.
Drawings
FIG. 1 is a schematic diagram of a three-dimensional appearance structure according to the present invention;
FIG. 2 is a schematic front view of a cross-sectional structure of the present invention;
FIG. 3 is an enlarged schematic view of the stabilizing mechanism of the present invention;
fig. 4 is an enlarged schematic view of the cleaning mechanism of the present invention.
In the figure: 1. a body; 101. a base; 102. a support assembly; 1021. a tail section support barrel; 1022. a middle section support cylinder; 1023. a first section of support cylinder; 103. a touch screen; 104. a camera; 2. a stabilizing mechanism; 201. a support frame; 202. an adsorption part; 2021. an accommodating groove; 2022. a suction cup; 2023. a limiting column; 2024. sleeving a column; 2025. a limiting groove; 3. a segmentation mechanism; 301. a fixed part; 3011. fastening a bolt; 3012. an elastic clamping piece; 3013. a card slot; 3014. a screw hole; 302. fixing a column; 4. a cleaning mechanism; 401. a cleaning section; 4011. a connecting plate; 4012. cleaning cotton; 4013. a ball bearing; 402. and (6) sliding the frame.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and furthermore, the terms "first", "second", "third", "upper, lower, left, right", and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Meanwhile, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, for example, as being fixedly connected, detachably connected, or integrally connected; the connection can be mechanical connection or electrical connection; the embodiments of the present invention can be directly connected or indirectly connected through an intermediary, and all other embodiments obtained by those skilled in the art without any creative efforts belong to the protection scope of the present invention.
The structure of a sectional remote education device provided by the utility model is shown in fig. 1 and fig. 2, and comprises a machine body 1, a touch screen 103 is arranged on the surface of the machine body 1, a camera 104 is arranged above the machine body 1 through a bracket, a base 101 is arranged below the machine body 1, a support assembly 102 is arranged between the base 101 and the machine body 1, the support assembly 102 is composed of a tail section support cylinder 1021, a middle section support cylinder 1022 and a first section support cylinder 1023, the first section support cylinder 1023 is fixed at the central position of one side of the machine body 1, the tail section support cylinder 1021 is arranged below the first section support cylinder 1023, the bottom of the tail section support cylinder 1021 is fixedly connected with the surface of the base 101, and a plurality of middle section support cylinders 1022 are arranged between the tail section support cylinder 1021 and the first section support cylinder 1023.
Further, as shown in fig. 2 and fig. 3, a stabilizing mechanism 2 is disposed on the surface of the base 101, and the interior of the stabilizing mechanism 2 includes a supporting frame 201 and an adsorbing portion 202, the supporting frame 201 is located between the tail supporting cylinder 1021 and the base 101, and two ends of the supporting frame 201 are respectively fixed to the tail supporting cylinder 1021 and the base 101 through screws for auxiliary support of the tail supporting cylinder 1021 and the base 101, the adsorbing portion 202 is composed of an accommodating groove 2021, a suction cup 2022, a limiting post 2023, a sleeve post 2024 and a limiting groove 2025, the accommodating groove 2021 is respectively disposed at the bottom of the base 101, the inner wall of the accommodating groove 2021 is fixed with the sleeve post 2024, the surfaces of the sleeve posts 2024 are all fixed with the equally spaced limiting posts 2023, the surface of the sleeve post 2024 is sleeved with the suction cup 2022, the top position of the suction cup 2022 is circumferentially provided with the limiting groove 2025, and the limiting groove 2025 is matched with the limiting post 2023.
When the device is used, the sucker 2022 is sleeved on the surface of the sleeve column 2024, the limiting column 2023 is located inside the limiting groove 2025, the sucker 2022 is pushed upwards, the limiting column 2023 is located at the bottom of the limiting groove 2025, then the sucker 2022 is rotated, the limiting column 2023 is located at the included angle of the limiting groove 2025, the limiting column 2023 is limited, the adsorption part 202 is fixed inside the accommodating groove 2021, the base 101 is tightly attached to the placing surface under the action of the sucker 2022, then the support frame 201 is fixed between the base 101 and the tail section support barrel 1021 through screws, and the tail section support barrel 1021 is supported, so that the auxiliary support function of the remote education device is realized.
Further, as shown in fig. 1 and fig. 2, a segmentation mechanism 3 is disposed on the surface of the support assembly 102, a fixing portion 301 and a fixing column 302 are disposed inside the segmentation mechanism 3, the fixing column 302 is respectively fixed at the bottoms of the first section support cylinder 1023 and the middle section support cylinder 1022, the fixing portion 301 is composed of a fastening bolt 3011, an elastic fastener 3012, a clamping slot 3013 and a screw hole 3014, screw holes 3014 are disposed on the surfaces of both sides of the fixing column 302, fastening bolts 3011 are respectively connected to both sides of the last section support cylinder 1021 and the middle section support cylinder 1022 through threads, one end of the fastening bolt 3011 respectively penetrates through the last section support cylinder 1021 and the middle section support cylinder 1022 and is in threaded fit with the screw holes 3014, clamping slots 3013 are disposed on the surfaces of both sides of the fixing column 302, an elastic fastener 3012 is fixed on the inner walls of the last section support cylinder 1021 and the middle section support cylinder 1022, and the elastic fastener 3012 is in clamped fit with the clamping slot 3013.
During the use, put organism 1 to assigned position department, put middle section support section of thick bamboo 1022 to first section support section of thick bamboo 1023 below afterwards, and overlap middle section support section of thick bamboo 1022 to fixed column 302 surface, and it is fixed with middle section support section of thick bamboo 1022 under the effect of elasticity fastener 3012 and draw-in groove 3013, rotatory fastening bolt 3011 afterwards, it is fixed with middle section support section of thick bamboo 1022 under the screw-thread fit of fastening bolt 3011 and screw 3014, the same reason afterwards, assemble a plurality of middle section support section of thick bamboo 1022 as required, overlap tail section support section of thick bamboo 1021 to fixed column 302 surface finally, and fix through fastening bolt 3011, assemble organism 1, not only portable, and can adjust the height of organism 1 as required, make organism 1 put ground or desktop all can, in order to realize the function that the remote education device is convenient for the equipment and adjusts.
Further, as shown in fig. 1 and 4, the surface of machine body 1 is provided with cleaning mechanism 4, and the inside of cleaning mechanism 4 includes cleaning part 401 and sliding frame 402, sliding frame 402 is fixed in the both sides of machine body 1, cleaning part 401 is by connecting plate 4011, clean cotton 4012 and ball 4013 constitute, the surface of machine body 1 is provided with connecting plate 4011, and connecting plate 4011's structure is U type structure, and the both ends of connecting plate 4011 all extend to the inside of cleaning part 401 and with the mutual sliding fit of cleaning part 401, the both ends of connecting plate 4011 all imbed and are provided with ball 4013, and ball 4013 and cleaning part 401 are mutually supported, the surface bonding of connecting plate 4011 has clean cotton 4012, be used for the cleanness to touch-sensitive screen 103 surface.
During the use, pulling connecting plate 4011 makes connecting plate 4011 slide under the effect of smooth frame 402 to reduced the frictional force that connecting plate 4011 received under the effect of ball 4013, made connecting plate 4011 change easily and remove, at this moment, connecting plate 4011 drives clean cotton 4012 and cleans touch-sensitive screen 103 surface, in order to realize the clean function of distance education device to touch-sensitive screen 103.
The working principle is as follows: when the device is used, the sucker 2022 is sleeved on the surface of the sleeve column 2024 to enable the limiting column 2023 to be located inside the limiting groove 2025, the sucker 2022 is pushed upwards to enable the limiting column 2023 to be located at the bottom of the limiting groove 2025, then the sucker 2022 is rotated to enable the limiting column 2023 to be located at the included angle of the limiting groove 2025 to limit the limiting column 2023, so that the adsorption part 202 is fixed inside the accommodating groove 2021, the base 101 is tightly attached to the placing surface under the action of the sucker 2022, then the support frame 201 is fixed between the base 101 and the tail section support barrel 1021 through screws, and the tail section support barrel 1021 is supported to achieve the auxiliary support function of the remote education device, and therefore the stability of the remote education device in use is improved.
Subsequently, the machine body 1 is placed at a specified position, then the middle section supporting cylinder 1022 is placed below the first section supporting cylinder 1023, the middle section supporting cylinder 1022 is sleeved on the surface of the fixing column 302, the middle section supporting cylinder 1022 is fixed under the action of the elastic clamping piece 3012 and the clamping groove 3013, then the fastening bolt 3011 is rotated, the middle section supporting cylinder 1022 is fixed under the threaded matching of the fastening bolt 3011 and the screw hole 3014, then, similarly, a plurality of middle section supporting cylinders 1022 are assembled as required, finally, the tail section supporting cylinder 1021 is sleeved on the surface of the fixing column 302 and is fixed through the fastening bolt 3011, the machine body 1 is assembled, the carrying is convenient, the height of the machine body 1 can be adjusted as required, the machine body 1 can be placed on the ground or a desktop, the function of facilitating assembly and adjustment of the remote education device is realized, and the convenience degree of the remote education device in use is improved.
Then the power is switched on, a power switch is turned on, the device is operated through the touch screen 103, the device is connected with a network, remote teaching can be started by opening courseware, then the camera 104 is aligned with a teacher, a signal is sent out through a signal module inside the machine body 1 to perform remote education, if the surface of the touch screen 103 needs to be cleaned, the connecting plate 4011 is pulled firstly, the connecting plate 4011 slides under the action of the sliding frame 402, the friction force borne by the connecting plate 4011 is reduced under the action of the balls 4013, the connecting plate 4011 is made to move more easily, at the moment, the connecting plate 4011 drives the cleaning cotton 4012 to clean the surface of the touch screen 103, the cleaning function of the touch screen 103 by the remote education device is realized, the phenomenon that the touch screen 103 is observed fuzziness occurs when the remote education device is used is avoided, and the use work of the remote education device is finally completed.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. A sectional type distance education device, includes organism (1), its characterized in that: the touch screen (103) is arranged on the surface of the machine body (1), the camera (104) is arranged above the machine body (1) through a support rod, the base (101) is arranged below the machine body (1), and the support assembly (102) is arranged between the base (101) and the machine body (1); the surface of the base (101) is provided with a stabilizing mechanism (2); a segmenting mechanism (3) is arranged on the surface of the supporting component (102), and a fixing part (301) and a fixing column (302) are arranged inside the segmenting mechanism (3); the surface of the machine body (1) is provided with a cleaning mechanism (4).
2. A sectional remote education device according to claim 1 wherein: support subassembly (102) support a section of thick bamboo (1021), middle section by the tail section and support a section of thick bamboo (1022) and first section and support a section of thick bamboo (1023) and constitute, the central point department of putting of organism (1) one side is fixed with first section and supports a section of thick bamboo (1023), just the below that first section supported a section of thick bamboo (1023) is provided with tail section and supports a section of thick bamboo (1021), and the bottom that the tail section supported a section of thick bamboo (1021) and the surperficial looks fixed connection of base (101), tail section support a section of thick bamboo (1021) with be provided with a plurality of middle sections between first section support a section of thick bamboo (1023) and support a section of thick bamboo (1022).
3. A sectional remote education device according to claim 1 wherein: the inside of stabilizing mean (2) is including support frame (201) and absorption portion (202), support frame (201) be located the back end support section of thick bamboo (1021) with between base (101), and the both ends of support frame (201) are respectively through screw and back end support section of thick bamboo (1021) and base (101) are fixed mutually for to the back end support section of thick bamboo (1021) with the auxiliary stay of base (101).
4. A sectional remote education device according to claim 3 wherein: the adsorption part (202) is composed of an accommodating groove (2021), a suction disc (2022), a limiting column (2023), a sleeve column (2024) and a limiting groove (2025), the accommodating groove (2021) is respectively arranged at the bottom of the base (101), the sleeve column (2024) is fixed on the inner wall of the accommodating groove (2021), the limiting columns (2023) with equal intervals are fixed on the surfaces of the sleeve column (2024), the suction disc (2022) is sleeved on the surface of the sleeve column (2024), the limiting groove (2025) is arranged at the top of the suction disc (2022) along the circumferential direction, and the limiting groove (2025) is matched with the limiting column (2023).
5. A segmented distance education apparatus according to claim 2 wherein: the fixing columns (302) are respectively fixed at the bottoms of the first section supporting cylinder (1023) and the middle section supporting cylinder (1022), the fixing part (301) is composed of a fastening bolt (3011), an elastic clamping piece (3012), a clamping groove (3013) and a screw hole (3014), screw holes (3014) are formed in the surfaces of two sides of the fixing column (302), fastening bolts (3011) are in threaded connection with two sides of the tail section supporting cylinder (1021) and the middle section supporting cylinder (1022), one end of the fastening bolt (3011) penetrates through the tail section supporting cylinder (1021) and the middle section supporting cylinder (1022) respectively and is in threaded fit with the screw hole (3014) mutually, clamping grooves (3013) are formed in the surfaces of the two sides of the fixing column (302), elastic clamping pieces (3012) are fixed on the inner walls of the tail section supporting barrel (1021) and the middle section supporting barrel (1022), and the elastic clamping piece (3012) and the clamping groove (3013) are mutually clamped and matched.
6. A sectional remote education device according to claim 1 wherein: clean mechanism (4)'s inside includes clean portion (401) and sliding frame (402), sliding frame (402) are fixed the both sides of organism (1), clean portion (401) comprises connecting plate (4011), clean cotton (4012) and ball (4013), the surface of organism (1) is provided with connecting plate (4011), just the structure of connecting plate (4011) is U type structure, and the both ends of connecting plate (4011) all extend to the inside of clean portion (401) and with the mutual sliding fit of clean portion (401), the both ends of connecting plate (4011) all imbed and are provided with ball (4013), just ball (4013) with clean portion (401) is mutually supported, the surface bonding of connecting plate (4011) has clean cotton (4012), it is right to be used for the cleanness on touch-sensitive screen (103) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220084616.1U CN216772611U (en) | 2022-01-13 | 2022-01-13 | Sectional type distance education device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220084616.1U CN216772611U (en) | 2022-01-13 | 2022-01-13 | Sectional type distance education device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216772611U true CN216772611U (en) | 2022-06-17 |
Family
ID=81976339
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220084616.1U Active CN216772611U (en) | 2022-01-13 | 2022-01-13 | Sectional type distance education device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216772611U (en) |
-
2022
- 2022-01-13 CN CN202220084616.1U patent/CN216772611U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107811413B (en) | Drawing board frame is used in fine arts teaching with adjustable | |
| CN216772611U (en) | Sectional type distance education device | |
| CN210266512U (en) | Positioning and supporting device of mechanical equipment | |
| CN207935668U (en) | A kind of household camera detachable apparatus | |
| CN211207520U (en) | Multifunctional teaching aid for education technology | |
| CN212343951U (en) | Intelligent image acquisition device for image processing | |
| CN213189987U (en) | Nib type subarachnoid space puncture guider | |
| CN113566067A (en) | Building construction supervision device based on BIM technology | |
| CN215173771U (en) | Scenic spot equipment management system | |
| CN217738612U (en) | Multi-vision camera research experiment platform | |
| CN212061562U (en) | International Chinese teaching presentation device | |
| CN214093874U (en) | Network education multimedia device | |
| CN218018171U (en) | Stabilizing clamp for assembling automobile parts | |
| CN214767153U (en) | Bearing production surface cleaning device | |
| CN219891831U (en) | Adjustable propaganda indication board | |
| CN219644313U (en) | Interactive all-in-one machine | |
| CN218994814U (en) | Water sample collector | |
| CN111452544B (en) | Blackboard cleaning structure | |
| CN217109013U (en) | Be applied to full-color display screen of good LED of conference center visibility | |
| CN216520428U (en) | Outdoor supervisory equipment is with showing large screen | |
| CN218388300U (en) | Filter and mounting structure | |
| CN216352917U (en) | Dress designing is with teaching display device | |
| CN214486395U (en) | Partition plate of electrically driven membrane separator | |
| CN214207632U (en) | Building engineering cost manages and uses table based on BIM technique | |
| CN211557462U (en) | Microphone support for music teachers |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |