CN209879372U - Shell connecting structure of all-in-one machine - Google Patents

Shell connecting structure of all-in-one machine Download PDF

Info

Publication number
CN209879372U
CN209879372U CN201920727794.XU CN201920727794U CN209879372U CN 209879372 U CN209879372 U CN 209879372U CN 201920727794 U CN201920727794 U CN 201920727794U CN 209879372 U CN209879372 U CN 209879372U
Authority
CN
China
Prior art keywords
plate
side board
side plate
bottom plate
edge
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
Application number
CN201920727794.XU
Other languages
Chinese (zh)
Inventor
郎悦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sichuan Yijianxia Science And Technology Co Ltd
Original Assignee
Sichuan Yijianxia Science And Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sichuan Yijianxia Science And Technology Co Ltd filed Critical Sichuan Yijianxia Science And Technology Co Ltd
Priority to CN201920727794.XU priority Critical patent/CN209879372U/en
Application granted granted Critical
Publication of CN209879372U publication Critical patent/CN209879372U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Patch Boards (AREA)

Abstract

The utility model relates to a shell connecting structure of an integrated machine, which belongs to the technical field of communication equipment and comprises a machine box, wherein the machine box comprises a left side plate, a right side plate, a rear side plate, a front side plate, a top plate and a bottom plate, the edges of the two sides of the left side plate and the right side plate are respectively provided with a side frame, the side frames are integrated with the left side plate and the right side plate, the cross section of the side frame is in a circular arc shape, the rear side plate can be detachably connected to the left side plate, the right side plate, the top plate and the bottom plate, the front side plate can be detachably connected to the left side plate and the right side plate, the top plate and the bottom plate can be detachably connected to the left side plate and the right side plate, the edges of the left side plate and the right side plate are not required to be installed on the side frames when the machine is installed, the rear side plate, the front side plate, the top plate, therefore, the installation process becomes simpler and more convenient, and the installation efficiency of installation personnel is improved.

Description

Shell connecting structure of all-in-one machine
Technical Field
The utility model belongs to the technical field of the communication equipment technique and specifically relates to a shell connection structure of all-in-one is related to.
Background
The multimedia teaching all-in-one machine integrates infrared touch technology, intelligent office teaching software, multimedia network communication technology, high-definition panel display technology and other technologies, integrates a plurality of devices such as a projector, an electronic whiteboard, a computer (selectable items), a television, a touch function and the like into an integrated multifunctional interactive teaching device, and improves the traditional display terminal into a man-machine interactive device with comprehensive functions. Through the product, a user can realize writing, commenting, drawing, multimedia entertainment and computer operation, and can easily perform a wonderful interactive classroom by directly opening equipment.
The application publication number CN109358726A discloses a modularized teaching-aid all-in-one machine and an identification method and artificial intelligence thereof, which comprises a machine box, wherein the machine box is a rectangular hollow box body with one end open, the hollow box body comprises a left side plate, a right side plate, a front side plate, a top plate and a bottom plate, the open end of the hollow box body is hinged with a rear side plate through a rotating shaft, the hollow box body further comprises a rectangular underframe and side frames vertically connected to the periphery of the rectangular underframe, the left side plate, the right side plate, the front side plate and the rear side plate are all positioned between the adjacent two side frames, sliding grooves are arranged on the side walls of the side frames, and the sliding grooves are matched with the left side plate, the right side plate or the; however, when the side frame, the left side plate, the right side plate, the front side plate and the rear side plate are installed, the left side plate, the right side plate, the front side plate and the rear side plate need to be installed on the side frame respectively, and the installation process is complex.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a shell connection structure of all-in-one convenient to install left side board, right side board, preceding curb plate and posterior lateral plate together.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model provides a shell connection structure of all-in-one, includes the machine box, the machine box includes left side board, right side board, posterior lateral plate, preceding curb plate, roof and bottom plate, the both sides edge of left side board and right side board all is provided with the side frame, be integrative setting between side frame and left side board and side frame and the right side board, the transversal convex setting of personally submitting of side frame, the posterior lateral plate can be dismantled and be connected to on left side board, right side board, roof and the bottom plate, preceding curb plate can be dismantled and be connected to on left side board and the right side board, roof and bottom plate all can be dismantled and be connected to on left side board and the right side board.
By adopting the technical scheme, when the machine box is required to be assembled, the side frame, the left side plate and the right side plate are integrally arranged, so that the two side edges of the left side plate and the right side plate are not required to be installed on the side frame, the rear side plate, the front side plate, the top plate and the bottom plate can be installed during installation, the step of installing the left side plate and the right side plate on the side frame is saved, the installation process is simpler and more convenient, and the installation efficiency of installation personnel is improved; the side frame is arranged to be arc-shaped, so that the side frame is prevented from damaging a human body.
The utility model discloses further set up to: the rear side plate is positioned between the left side plate, the right side plate, the top plate and the bottom plate, and clamping grooves used for clamping the edges of the periphery of the rear side plate are formed in the positions of the rear side plate on the left side plate, the right side plate, the top plate and the bottom plate.
Through adopting above-mentioned technical scheme, when needs are installed the posterior lateral plate, insert the joint inslot to roof, bottom plate, left side board and right side board respectively through the edge all around with the posterior lateral plate to accomplish the installation to the posterior lateral plate, the setting that adopts the joint groove can accomplish the installation to the posterior lateral plate with posterior lateral plate disect insertion to the joint inslot, has further improved the installation effectiveness when assembling the machine box.
The utility model discloses further set up to: the fixed articulated shaft that is provided with in the bottom that just is located the preceding curb plate in both sides edge of preceding curb plate, the edge setting of articulated shaft perpendicular to preceding curb plate, set up on left side board and the right side board and be used for supplying both sides articulated shaft grafting and rotate the rotation groove of connecting.
By adopting the technical scheme, when the front side plate needs to be installed, the front side plate can be installed by driving the hinged shaft on the front side plate to be inserted into the rotating grooves of the left side plate and the right side plate, and the front side plate is convenient to install by adopting the arrangement of the hinged shaft and the rotating grooves, so that the installation efficiency in the process of assembling the machine box is further improved; when operations such as installation or wire plugging are required to be carried out on a certain part in the machine box, the hinging shaft on the front side plate is driven to rotate in the rotating groove, so that the whole machine box is not required to be disassembled, and the integrated machine is convenient to use.
The utility model discloses further set up to: the edge that the preceding curb plate is close to the bottom plate is convex setting, the position that just is located preceding curb plate place on the bottom plate is provided with the butt strip, the butt strip sets up along the length direction at bottom plate edge, the butt strip be with convex preceding curb plate complex arc setting.
By adopting the technical scheme, when the front side plate is abutted against the bottom plate, the edge of the arc-shaped front side plate is moved into the arc-shaped abutting strip, so that the attractiveness of the connection between the front side plate and the bottom plate is improved, and the arc-shaped abutting strip and the front side plate can prevent operators from being injured when the operators take the front side plate; when the front side plate drives the hinged shaft to rotate, the arc-shaped edge of the front side plate can rotate in the abutting strip, and the rotating effect of the front side plate is improved.
The utility model discloses further set up to: the cell body that is used for supplying the marginal joint of roof and bottom plate is all offered at the upper portion edge and the lower part edge of left side board, right side board and side frame, the cell body sets up along the length direction at left side board and right side board edge, be provided with in the cell body and be used for fixing roof and bottom plate to the mounting on the cell body.
By adopting the technical scheme, the arrangement of the groove body can play a role in guiding and positioning the positions of the top plate and the bottom plate on the left side plate and the right side plate, so that the attractiveness of the whole machine box is indirectly improved; the setting of mounting can be with roof and bottom plate installation to left side board and right side board on, roof and bottom plate can play fixed effect to posterior lateral plate and preceding curb plate, prevent that whole machine box from scattering after the installation, when having improved the installation effectiveness, improved the fastness to the installation of machine box.
The utility model discloses further set up as the mounting is including seting up in the cell body and being located the screw hole at cell body both ends, all be provided with in the position at every screw hole place on roof and the bottom plate and wear to establish roof and bottom plate and threaded connection in the downthehole bolt of screw thread.
Through adopting above-mentioned technical scheme, the mode that adopts bolted connection is convenient simple to fixed effect to roof and bottom plate is better.
The utility model discloses further set up to: the machine box further comprises a cover plate arranged on the top plate, the edges of the two sides of the cover plate are clamped in the groove body, the edge, far away from the bottom plate, of the front side plate is provided with a butt joint groove used for allowing one side of the cover plate to move in, and the edge, far away from the front side plate, of the top plate is provided with a fixing strip used for allowing the other side of the cover plate to be in butt joint.
Through adopting above-mentioned technical scheme, the pleasing to the eye degree of whole machine box has been improved on installing the apron to the roof, with the both sides immigration of apron to the cell body in, with one side immigration of apron to the butt inslot, with the another side and the fixed strip butt of apron, make the posterior lateral plate, the preceding lateral plate, left side board and right side board play the effect of location and direction to the apron, prevent that the apron from removing on the roof, and improved when removing the apron to the roof, apron and posterior lateral plate, the preceding lateral plate, the pleasing to the eye degree of being connected between left side board and the right side board.
The utility model discloses further set up to: the cover plate is adhered to the top plate.
Through adopting above-mentioned technical scheme, bond the apron to the roof on, convenient simple to the fixed mode of apron to need not to punch on the apron, further improved the pleasing to the eye degree of whole apron.
To sum up, the utility model discloses a beneficial technological effect does:
insert the rotation inslot to left side board and right side board through the articulated shaft with on the preceding curb plate, peg graft the joint inslot to left side board and right side board respectively with the both sides edge of posterior lateral plate, move into the cell body of left side board and right side board respectively with roof and bottom plate this moment, fix roof and roof to left side board and right side board on through the bolt, paste the apron to the roof on, make whole machine box accomplish the installation, because of the side frame sets up as an organic whole with left side board and right side board, need not to install the side frame, and need not to install posterior lateral plate and preceding curb plate to the side frame on, the installation is convenient simple, installer's installation effectiveness has been improved.
Drawings
Fig. 1 is a schematic structural view of the whole of the present invention;
fig. 2 is a schematic diagram of the explosion structure of the present invention;
fig. 3 is a schematic structural view of the left or right side plate of the present invention;
FIG. 4 is an enlarged view of portion A of FIG. 3;
fig. 5 is a schematic structural view of the top plate of the present invention;
fig. 6 is a schematic structural diagram of the bottom plate of the present invention;
fig. 7 is a schematic structural view of a front side plate of the present invention;
fig. 8 is an enlarged view of a portion B in fig. 7.
In the figure, 1, a left side plate; 11. a trough body; 12. a threaded hole; 2. a right side plate; 3. a rear side plate; 4. a front side plate; 41. hinging a shaft; 43. a butt joint groove; 5. a top plate; 51. a bolt; 52. a cover plate; 53. a fixing strip; 6. a base plate; 61. an abutment bar; 7. a side frame; 8. a clamping groove; 9. the groove is rotated.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Combine fig. 1 and fig. 2, do the utility model discloses a shell connection structure of all-in-one, including the machine box, the machine box includes left side board 1, right side board 2, posterior lateral plate 3, preceding curb plate 4, roof 5 and bottom plate 6.
Referring to fig. 2 and 3, the side frames 7 are disposed on both side edges of the left side plate 1 and the right side plate 2, and in order to avoid the need to mount the side frames 7 on both side edges of the left side plate 1 and the right side plate 2, the side frames 7 and the left side plate 1, and the side frames 7 and the right side plate 2 are integrally disposed; in order to prevent the hands of the operator from being injured when the operator takes the side frame 7, the cross section of the side frame 7 is arranged in a circular arc shape; when assembling the machine box, the side frames 7 do not need to be installed on the two side edges of the left side plate 1 and the right side plate 2, and the whole machine box is conveniently assembled.
With reference to fig. 2 and 5, in order to mount the rear side plate 3 on the left side plate 1, the right side plate 2, the top plate 5 and the bottom plate 6, the rear side plate 3 is located between the left side plate 1, the right side plate 2, the top plate 5 and the bottom plate 6, and clamping grooves 8 (see fig. 6) for clamping the peripheral edges of the rear side plate 3 are formed in the positions of the rear side plate 3 on the left side plate 1, the right side plate 2, the top plate 5 and the bottom plate 6; when needs are installed to posterior lateral plate 3, directly with posterior lateral plate 3 all around along do not the joint to left side board 1, right side board 2, roof 5 and bottom plate 6 in the joint groove 8 can, the installation is convenient simple.
Referring to fig. 3 and 7, in order to mount the front plate 4 on the left and right side plates 1 and 2, hinge shafts 41 (see fig. 8) are disposed at both side edges of the front plate 4 and at the bottom of the front plate 4, the hinge shafts 41 are disposed perpendicular to the edges of the front plate 4, and the left and right side plates 1 and 2 are provided with rotation grooves 9 (see fig. 4) for the hinge shafts 41 at both sides to be inserted; when the front side plate 4 needs to be installed, the front side plate 4 drives the hinge shaft 41 to be inserted into the rotating grooves 9 of the left side plate 1 and the right side plate 2, so that the installation of the front side plate 4 is completed; when the components in the case need to be checked or plugged, the front side plate 4 can be opened by driving the hinge shaft 41 on the front side plate 4 to rotate in the rotating groove 9.
With reference to fig. 3 and 5, in order to fix the top plate 5 and the bottom plate 6 to the left side plate 1 and the right side plate 2, so as to prevent the rear side plate 3 and the front side plate 4 from being separated from the left side plate 1 and the right side plate 2 when the rear side plate 3 and the front side plate 4 are installed, groove bodies 11 for clamping edges of the top plate 5 and the bottom plate 6 are respectively opened at upper edges and lower edges of the left side plate 1, the right side plate 2 and the side frame 7, the groove bodies 11 are arranged along the length direction of the edges of the left side plate 1 and the right side plate 2, threaded holes 12 are opened at two ends of the groove bodies 11 in the groove bodies 11, and bolts 51 (see fig. 6) which penetrate through the top plate 5 and the bottom plate 6 and are in threaded connection with the threaded holes 12 are respectively arranged at positions of each threaded hole; in the present embodiment, the threaded bore 12 is a counterbore arrangement.
After installing posterior lateral plate 3 and preceding curb plate 4 to left curb plate 1 and right curb plate 2, move into to cell body 11 through driving roof 5 and bottom plate 6 in, the upper portion of posterior lateral plate 3 and lower part edge can immigrate to the cell body 11 of roof 5 and bottom plate 6 this moment, fix roof 5 and bottom plate 6 respectively to left side board 1 and right curb plate 2 through bolt 51, thereby it is fixed to the installation of whole machine box to accomplish, the fixed mode is convenient simple, the installation effectiveness of whole machine box has been improved, and the setting of card cell body 11 has improved the pleasing to the eye degree after whole machine box installation.
With reference to fig. 6 and 8, in order to improve the abutting effect between the front side plate 4 and the bottom plate 6, the edge of the front side plate 4 close to the bottom plate 6 is arranged in a circular arc shape, an abutting strip 61 is arranged on the bottom plate 6 at the position where the front side plate 4 is located, the abutting strip 61 is arranged along the length direction of the edge of the bottom plate 6, and the abutting strip 61 is arranged in a circular arc shape matched with the circular arc-shaped front side plate 4.
With reference to fig. 5 and 7, in order to improve the aesthetic appearance of the whole machine box after the top plate 5 is mounted on the left side plate 1 and the right side plate 2, the machine box further comprises a cover plate 52 disposed on the top plate 5, the edges of both sides of the cover plate 52 are clamped into the groove body 11, the edge of the front side plate 4 far away from the bottom plate 6 is provided with an abutting groove 43 for the one side of the cover plate 52 to move in, and the edge of the top plate 5 far away from the front side plate 4 is provided with a fixing strip 53 for the other side of the cover plate 52 to abut; in this embodiment, the cover plate 52 is bonded to the top plate 5 by glue.
When the cover plate 52 needs to be installed, the cover plate 52 is arranged on the top plate 5, the two side edges of the cover plate 52 are moved into the groove body 11, one side of the cover plate 52 is moved into the abutting groove 43, the other side of the cover plate 52 is abutted with the fixing strip 53, the rear side plate 3, the front side plate 4, the left side plate 1 and the right side plate 2 play a role in guiding and positioning the position of the cover plate 52, the cover plate 52 is prevented from moving on the top plate 5, the connecting effect of the cover plate 52 connected onto the top plate 5 is improved, and the attractiveness of the whole machine box is improved.
The implementation principle of the embodiment is as follows: when the whole machine box is required to be assembled, the rear side plate 3 and the front side plate 4 are firstly installed, the left and right side edges of the rear side plate 3 are moved into the clamping grooves 8 of the left side plate 1 and the right side plate 2, the hinge shaft 41 on the front side plate 4 is inserted into the rotating grooves 9 on the left side plate 1 and the right side plate 2, the installation of the rear side plate 3 and the front side plate 4 is completed, the top plate 5 and the bottom plate 6 are driven to move towards the left side plate 1 and the right side plate 2, the top plate 5 and the bottom plate 6 are moved into the groove bodies 11 of the left side plate 1 and the right side plate 2, the upper edge and the lower edge of the rear side plate 3 are driven to be inserted into the clamping grooves 8 of the top plate 5 and the bottom plate 6, the top plate 5 and the bottom plate 6 are fixed into the groove bodies 11 of the left side plate 1 and the right side plate 2 through the bolts 51, the top plate 5 and the bottom plate 6 have a blocking effect on the, Bottom plate 6, break away from between left side board 1 and the right side board 2, bond apron 52 to roof 5 through glue this moment, make the both sides edge immigration of apron 52 to the cell body 11 in, drive one side immigration of apron 52 to the butt groove 43 in, drive the another side and the fixed strip 53 butt of apron 52, make apron 52 guided to roof 5 on, prevent that apron 52 from removing, accomplish the equipment to whole machine box, in the whole process, need not to install side frame 7 to left side board 1 and right side board 2 on, and need not to install back plate 3 and preceding curb plate 4 to side frame 7 on, conveniently assemble whole machine box, the installation effectiveness of machine box when the installation has been improved, and the pleasing to the eye degree of whole machine box after the installation has been improved.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a shell connection structure of all-in-one, includes the machine box, the machine box includes left side board (1), right side board (2), posterior lateral plate (3), preceding curb plate (4), roof (5) and bottom plate (6), its characterized in that: both sides edge of left side board (1) and right side board (2) all is provided with side frame (7), be integrative setting between side frame (7) and left side board (1) and side frame (7) and right side board (2), the transversal arc setting of personally submitting of side frame (7), posterior lateral plate (3) can be dismantled and be connected to on left side board (1), right side board (2), roof (5) and bottom plate (6), preceding curb plate (4) can be dismantled and be connected to on left side board (1) and right side board (2), roof (5) and bottom plate (6) all can be dismantled and be connected to on left side board (1) and right side board (2).
2. The housing connecting structure of an all-in-one machine according to claim 1, wherein: posterior lateral plate (3) are located between left side board (1), right side board (2), roof (5) and bottom plate (6), joint groove (8) that are used for supplying the all edge joints all around of posterior lateral plate (3) are seted up in the position at posterior lateral plate (3) place on left side board (1), right side board (2), roof (5) and bottom plate (6).
3. The housing connecting structure of an all-in-one machine according to claim 1, wherein: preceding curb plate (4) both sides edge and the bottom that is located preceding curb plate (4) are fixed and are provided with articulated shaft (41), the edge setting of curb plate (4) before articulated shaft (41) perpendicular to, offer on left side board (1) and right side board (2) and be used for supplying both sides articulated shaft (41) to peg graft and rotate rotation groove (9) of connecting.
4. The housing connecting structure of an all-in-one machine according to claim 1, wherein: the edge that preceding curb plate (4) are close to bottom plate (6) is convex setting, the position that just is located preceding curb plate (4) place on bottom plate (6) is provided with butt strip (61), butt strip (61) set up along the length direction at bottom plate (6) edge, butt strip (61) are with convex setting of preceding curb plate (4) complex of arc.
5. The housing connecting structure of an all-in-one machine according to claim 1, wherein: the utility model discloses a fixing device for roof, including left side board (1), right side board (2) and side frame (7), the upper portion edge and the lower part edge of left side board (1), right side board (2) and side frame (7) all offer cell body (11) that are used for supplying the edge joint of roof (5) and bottom plate (6), the length direction setting at left side board (1) and right side board (2) edge is followed in cell body (11), be provided with in cell body (11) and be used for fixing roof (5) and bottom plate (6) to the mounting on cell body (11).
6. The housing connecting structure of an all-in-one machine according to claim 5, wherein: the fixing piece comprises threaded holes (12) which are formed in the groove body (11) and located at two ends of the groove body (11), and bolts (51) which penetrate through the top plate (5) and the bottom plate (6) and are connected into the threaded holes (12) in a threaded mode are arranged at the positions, where each threaded hole (12) is located, of the top plate (5) and the bottom plate (6).
7. The housing connecting structure of an all-in-one machine according to claim 5, wherein: the machine box further comprises a cover plate (52) arranged on the top plate (5), edges of two sides of the cover plate (52) are clamped into the groove body (11), a butt joint groove (43) used for allowing one side of the cover plate (52) to move in is formed in the edge, far away from the bottom plate (6), of the front side plate (4), and a fixing strip (53) used for allowing the other side of the cover plate (52) to abut is arranged on the edge, far away from the front side plate (4), of the top plate (5).
8. The housing connecting structure of an all-in-one machine according to claim 7, wherein: the cover plate (52) is adhered to the top plate (5).
CN201920727794.XU 2019-05-17 2019-05-17 Shell connecting structure of all-in-one machine Active CN209879372U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920727794.XU CN209879372U (en) 2019-05-17 2019-05-17 Shell connecting structure of all-in-one machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920727794.XU CN209879372U (en) 2019-05-17 2019-05-17 Shell connecting structure of all-in-one machine

Publications (1)

Publication Number Publication Date
CN209879372U true CN209879372U (en) 2019-12-31

Family

ID=68947481

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920727794.XU Active CN209879372U (en) 2019-05-17 2019-05-17 Shell connecting structure of all-in-one machine

Country Status (1)

Country Link
CN (1) CN209879372U (en)

Similar Documents

Publication Publication Date Title
CN209879372U (en) Shell connecting structure of all-in-one machine
USD975036S1 (en) Equipment for control of electric power
CN112510490B (en) Power distribution cabinet equipment convenient to install
USD975033S1 (en) Equipment for distribution of electric power
CN115912073A (en) Wiring device for distribution box
CN108390197A (en) Daughter board connector, motherboard connector, photoelectric connector component and cabinet
CN214381855U (en) Special rack of block chain server
CN211015298U (en) Rotary open-close type computer case
CN209903144U (en) Assembly training platform frame body structure
CN207637048U (en) A kind of frame corner and interactive intelligent tablet computer
WO2020238096A1 (en) Power box and led display screen
CN215417062U (en) Management platform for art internet teaching
CN215964732U (en) Food additive processing is with removable screen cloth formula sieving mechanism
CN2681527Y (en) A rotary door structure
CN217849447U (en) Sound console for live broadcast
CN213690994U (en) Linkage writing board for electrified education
CN217692044U (en) Riveting device for communication wire connector
CN217875177U (en) Elevator advertisement machine
CN212935252U (en) Power distribution cabinet chassis shell convenient for adjusting distance between heat dissipation openings
CN217904788U (en) Dustproof flip structure applied to multimedia equipment
CN216161335U (en) Punching-free mounting structure of equipment display
CN216086609U (en) Controllable intelligent switch
CN218441623U (en) Floor type touch interactive terminal
CN214705136U (en) Teaching experiment device based on touch-sensitive screen and PLC
CN218163318U (en) Rack for network science and technology convenient to overhaul

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant