CN218037387U - Waterproof light curtain - Google Patents
Waterproof light curtain Download PDFInfo
- Publication number
- CN218037387U CN218037387U CN202221998892.5U CN202221998892U CN218037387U CN 218037387 U CN218037387 U CN 218037387U CN 202221998892 U CN202221998892 U CN 202221998892U CN 218037387 U CN218037387 U CN 218037387U
- Authority
- CN
- China
- Prior art keywords
- light curtain
- end cover
- printing opacity
- waterproof
- ring
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 89
- 238000007639 printing Methods 0.000 claims abstract description 45
- 238000009434 installation Methods 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 17
- 230000006978 adaptation Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 238000010276 construction Methods 0.000 description 22
- 230000005540 biological transmission Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 238000001125 extrusion Methods 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
Images
Landscapes
- Curtains And Furnishings For Windows Or Doors (AREA)
Abstract
The utility model relates to a light curtain field discloses a waterproof light curtain, including the light curtain shell, the equal demountable installation in both ends of light curtain shell has the end cover, and light curtain shell upper shield is equipped with the printing opacity pipe, and the both ends of printing opacity pipe are connected with two end covers respectively, and the end cover is located and is provided with waterproof sealing structure with the printing opacity union coupling. This application has through adopting printing opacity pipe and waterproof sealing structure, and the printing opacity pipe can effectively reduce the water droplet and get into the intraductal condition of printing opacity with the waterproof sealing structure of end cover junction to make the water droplet be difficult for causing the damage to the circuit board in the light curtain shell, reach and improve the effect that the light curtain received the damage that leads to easily intaking in the light curtain shell.
Description
Technical Field
The application relates to the field of light curtains, in particular to a waterproof light curtain.
Background
The light curtain is a safety protection device manufactured by utilizing a photoelectric sensing principle and is mainly applied to industrial automation. In industrial automation, people and machines work cooperatively, and a light curtain is installed on some mechanical equipment with potential danger, so that safety accidents can be effectively avoided.
At present, the light curtain comprises a plurality of mated launching lamps and receiving lamp, and a plurality of launching lamp welded mounting are on the circuit board in a light curtain shell, and a plurality of receiving lamp welded mounting are on the circuit board in another light curtain shell, and the equal opening setting of lateral wall that two light curtain shells are close to each other. The both ends opening setting of self length direction is followed to the light curtain shell, and the circuit board passes through opening part slidable mounting and gets into the light curtain shell, and the both ends of light curtain shell all can be dismantled and install the end cover, and two end cover butt at the both ends of circuit board. The light curtain shell is arranged on mechanical equipment, the transmitting lamp emits infrared light, the corresponding receiving lamp receives the infrared light at the same time, and a target object between the transmitting lamp and the receiving lamp can block a part of the infrared light, so that the infrared light cannot reach the corresponding receiving lamp, and the light curtain is triggered.
In view of the above-mentioned related technologies, some specific mechanical devices need to be used outdoors, and therefore the light curtain also needs to be used outdoors, when rainfall occurs outdoors or the light curtain encounters water, water drops easily enter the light curtain housing from the connection between the end cover and the light curtain housing, so that the circuit board is in short circuit when encountering water, and the light curtain is damaged.
SUMMERY OF THE UTILITY MODEL
In order to improve the problem that easy intaking leads to the light curtain to receive the damage in the light curtain shell, this application provides a waterproof light curtain.
The application provides a waterproof light curtain adopts following technical scheme:
the utility model provides a waterproof light curtain, includes the light curtain shell, the equal demountable installation in both ends of light curtain shell has the end cover, light curtain shell upper shield is equipped with the printing opacity pipe, the both ends of printing opacity pipe are connected with two end covers respectively, just the end cover is located and is provided with waterproof sealing structure with the printing opacity union coupling.
Through adopting above-mentioned technical scheme, when the light curtain is used outdoors, the printing opacity pipe cover of installation is established on the light curtain shell on two end covers to protect the light curtain shell, the infrared light can pass the printing opacity pipe and make the light curtain normal use, and the waterproof sealing structure of printing opacity pipe and end cover junction can effectively reduce the water droplet and get into the condition in the printing opacity pipe, thereby make the water droplet be difficult for causing the damage to the circuit board in the light curtain shell, has improved the life of light curtain.
Preferably, the waterproof sealing structure at least comprises a sealing ring, the sealing ring is arranged on the outer side wall of the end cover, and the sealing ring is abutted to the inner side wall of the light transmission tube.
Through adopting above-mentioned technical scheme, after the printing opacity pipe was installed on the end cover, the inside wall butt of printing opacity pipe was on the sealing washer to support the sealing washer tightly on the end cover, thereby carry out waterproof sealing to the junction of end cover and printing opacity pipe, make the water droplet be difficult for getting into in the printing opacity pipe.
Preferably, two mounting steps are all opened to the end of the end cover lateral wall near the printing opacity pipe, the sealing washer sets up on the mounting step of end cover, just the printing opacity pipe box is established on the mounting step of end cover.
Through adopting above-mentioned technical scheme, the printing opacity pipe box is established and is installed on the installation step of end cover, and the printing opacity pipe is located the lateral wall of installation step along self length direction's tip butt at the end cover to fix a position fast the mounted position of printing opacity pipe, the printing opacity pipe of being convenient for is installed on the end cover.
Preferably, the end cover is arranged on the mounting step and at least provided with a limiting ring groove, and the sealing ring is arranged in the limiting ring groove.
By adopting the technical scheme, the limit ring groove limits the sealing ring, so that the position of the sealing ring is not easy to deviate in the installation process of the light transmission pipe, when the light transmission pipe sleeve is arranged on the end cover, the sealing ring is extruded in the limit ring groove by the light transmission pipe, and the sealing ring is extruded to deform and is abutted against the side wall of the limit ring groove, thereby further improving the sealing effect of the sealing ring.
Preferably, the end cover is a circular cover, and the light-transmitting tube is a circular tube.
Through adopting above-mentioned technical scheme, the tubulose printing opacity pipe box of circle is established and is installed on the circular shape end cover for the sealed effect of sealing washer is better.
Preferably, a plurality of mounting grooves are formed in the light curtain shell, a plurality of mounting bolts are arranged on the end cover, and the mounting bolts are arranged in the mounting grooves in a threaded mode correspondingly.
Through adopting above-mentioned technical scheme, when the installation end cover, rotate a plurality of construction bolts on the end cover, construction bolt screw thread is installed in the mounting groove to install the end cover on the light curtain shell, use construction bolt to dismantle the end cover, make the end cover dismantle better convenient and fast.
Preferably, the last cover of construction bolt is equipped with sealing ring and backing ring, sealing ring and backing ring all are located the end cover and keep away from one side of light curtain shell, just the backing ring is located the one side that the end cover was kept away from to the sealing ring, one side and the end cover looks butt of sealing ring, opposite side and backing ring looks butt.
Through adopting above-mentioned technical scheme, at the in-process that the construction bolt rotated the installation, construction bolt's bolt head butt backing ring extrudees the sealing ring through the backing ring, and after construction bolt installation was accomplished, the backing ring supported the sealing ring tightly on the lateral wall of end cover to waterproof sealing between construction bolt and the end cover has been improved, make the water droplet be difficult for getting into in the light curtain shell from end cover and construction bolt junction.
Preferably, the side wall of the end cover far away from the light curtain shell is provided with a limit groove, the mounting bolt penetrates through the limit groove, and the sealing ring is positioned in the limit groove.
Through adopting above-mentioned technical scheme, after the construction bolt installation, the backing ring supports the sealing ring tightly at the spacing inslot of end cover, and the sealing ring receives the extrusion to take place deformation and support tightly on the lateral wall of spacing groove to further improve the sealed effect of sealing ring.
Preferably, the screw rod of the mounting bolt comprises a threaded rod and a polished rod, two ends of the polished rod are respectively and fixedly connected with the threaded rod and the bolt head of the mounting bolt, and the sealing ring and the cushion ring are sleeved on the polished rod.
Through adopting above-mentioned technical scheme, at the in-process that construction bolt rotated the installation, the threaded rod rotated in the mounting groove of light curtain shell, and sealing ring and backing ring all overlap this moment and establish on the polished rod, and the polished rod rotates and is difficult for causing wearing and tearing to the sealing ring to the sealed effect of sealing ring has been ensured.
Preferably, a plurality of constant head tanks, two have all been seted up at the both ends of light curtain shell inside wall the end cover all is provided with a plurality of locating pieces, and is a plurality of on being close to the lateral wall of light curtain shell the locating piece looks adaptation sets up in a plurality of constant head tanks respectively.
Through adopting above-mentioned technical scheme, at the in-process of end cover installation, earlier with the tip of end cover butt at the light curtain shell for a plurality of locating pieces on the end cover are all pegged graft in a plurality of constant head tanks of light curtain shell, thereby fix a position the end cover fast, make construction bolt and mounting groove be difficult for taking place the dislocation, rotate construction bolt again and install the end cover on the light curtain shell, use locating piece and constant head tank cooperation, the end cover of being convenient for carries out quick accurate installation.
In summary, the present application includes at least one of the following beneficial technical effects:
1. by adopting the light transmitting tube and the waterproof sealing structure, the waterproof sealing structure at the joint of the light transmitting tube and the end cover can effectively reduce the situation that water drops enter the light transmitting tube, so that the water drops are not easy to damage a circuit board in the light curtain shell, and the service life of the light curtain is prolonged;
2. the limiting ring groove is used for limiting the sealing ring, so that the position of the sealing ring is not easy to deviate in the installation process of the light transmission pipe, and when the light transmission pipe sleeve is installed on the end cover, the sealing ring is extruded to deform and is abutted against the side wall of the limiting ring groove, so that the sealing effect of the sealing ring is further improved;
3. through adopting sealing ring and backing ring, after the construction bolt installation was accomplished, the backing ring supported the sealing ring tightly on the lateral wall of end cover to improved the waterproof sealing nature between construction bolt and the end cover, made the water droplet be difficult for getting into in the light curtain shell from end cover and construction bolt junction.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a waterproof light curtain of the present application;
FIG. 2 is an exploded schematic view of the waterproof light curtain of the present application;
FIG. 3 is a schematic view of a waterproof light curtain of the present application highlighting a forward explosion of an end cap;
FIG. 4 is a schematic view of the waterproof light curtain of the present application showing the end cap exploded in reverse;
FIG. 5 is an enlarged schematic view of FIG. 2 of the present application at A;
FIG. 6 is a cross-sectional view of a portion of the structure of a water tight light curtain of the present application highlighting an end cap.
Description of reference numerals: 1. a light curtain housing; 2. an end cap; 3. a light-transmitting tube; 4. a waterproof sealing structure; 41. a seal ring; 5. mounting a step; 6. a limiting ring groove; 7. mounting grooves; 8. installing a bolt; 81. a threaded rod; 82. a polish rod; 9. a seal ring; 10. a backing ring; 11. a limiting groove; 12. positioning a groove; 13. positioning blocks; 14. positioning the ring groove; 15. a power supply connector; 16. mounting a nut; 17. a counter bore; 18. a light transmitting sheet.
Detailed Description
The present application is described in further detail below with reference to figures 1-6.
The embodiment of the application discloses waterproof light curtain.
Referring to fig. 1 and 2, a waterproof light curtain includes light curtain shell 1, and light curtain shell 1 sets up along self length direction's both ends opening, and light curtain shell 1 has the circuit board from opening part slidable mounting, and welded mounting has a plurality of transmitting lamps or receives the lamp on the circuit board. All can dismantle at light curtain shell 1 both ends and install end cover 2, and two end covers 2 butt respectively at the both ends of circuit board and fix the circuit board, and fixed mounting has the power supply connector 15 of being connected with the circuit board electricity on the end cover 2. The light curtain shell 1 is arranged at the opening of the side wall of the transmitting lamp or the receiving lamp far away from the circuit board, and the light-transmitting sheet 18 is fixedly arranged at the opening of the side wall of the light curtain shell 1. The circuit board is installed in the light curtain shell 1 in a sliding mode, the end cover 2 is installed, the power supply equipment supplies power to the circuit board through the power supply connector 15, at the moment, the transmitting lamp in one light curtain shell 1 emits infrared light, the infrared light penetrates through the light-transmitting piece 18, and the corresponding receiving lamp in the other light curtain shell 1 receives the infrared light.
Referring to fig. 3 and 4, the waterproof sealing structure 4 includes two sealing rings 41, annular mounting steps 5 are provided on one sides of the arc outer side walls of the two end covers 2 close to the light-transmitting tube 3, two limiting ring grooves 6 are spaced apart from each other on the bottom wall of the mounting step 5 close to the center of the end cover 2, and the two sealing rings 41 are respectively installed in the two limiting ring grooves 6. In this application, the sealing ring 41 can be a rubber ring. The two limiting ring grooves 6 limit the two sealing rings 41, so that the positions of the sealing rings 41 are not easy to deviate.
Referring to fig. 2 and 4, the light-transmitting tube 3 is sleeved on the mounting step 5 of the end cap 2, the inner side wall of the light-transmitting tube 3 abuts against the two sealing rings 41, and the end surface of the light-transmitting tube 3 abuts against the side wall of the end cap 2 at the mounting step 5. When 3 covers of printing opacity pipe are established and are installed on end cover 2, printing opacity pipe 3 extrudees sealing washer 41 in spacing annular 6, and sealing washer 41 is extruded and takes place to be out of shape and support tightly on the lateral wall of spacing annular 6 to carry out waterproof sealing to end cover 2 and 3 junctions of printing opacity pipe, make the water droplet be difficult for causing the damage to the circuit board in the light curtain shell 1, improved the life of light curtain.
Referring to fig. 3 and 5, four counter bores 17 have all been seted up on the lateral wall that the printing opacity pipe 3 was kept away from to two end covers 2, and end cover 2 is located counter bore 17 department and installs mounting bolt 8, all has seted up four mounting grooves 7 on the terminal surface at light curtain shell 1 edge self length direction both ends, and mounting bolt 8 screw thread installation is in mounting groove 7. When assembling the light curtain, install an end cover 2 in the one end of light curtain shell 1 earlier, establish the printing opacity pipe 3 cover on the light curtain shell 1 again and establish a pot head of printing opacity pipe 3 on the installation step 5 of end cover 2, install another end cover 2 at the other end of light curtain shell 1 at last, can accomplish the equipment of light curtain fast, use construction bolt 8 and 7 complex modes of mounting groove for it is more convenient that end cover 2 dismantles.
Referring to fig. 5 and 6, the side walls of the two end covers 2 close to the light transmission tube 3 are both provided with positioning ring grooves 14, and the end portions of the light curtain shell 1 are fittingly installed in the positioning ring grooves 14 of the end covers 2. Two end covers 2 are close to equal fixed mounting have four locating pieces 13 on the lateral wall of printing opacity pipe 3, have seted up two constant head tanks 12 on the light curtain shell 1 tip inside wall, and two locating pieces 13 looks adaptations are slided and are pegged graft in two constant head tanks 12, and two other locating pieces 13 butt are on the diapire of light curtain shell 1 inside wall. In the process of the installation of end cover 2, earlier with end cover 2 butt in the annular positioning groove 14 of light curtain shell 1 for a plurality of locating pieces 13 on the end cover 2 all peg graft in a plurality of constant head tanks 12 of light curtain shell 1, annular positioning groove 14 and constant head tank 12 and the cooperation of locating piece 13 carry out quick location to end cover 2, make the difficult emergence dislocation of construction bolt 8 and mounting groove 7.
Referring to fig. 4 and 6, the mounting bolt 8 is sleeved with a sealing ring 9 and a backing ring 10, the sealing ring 9 and the backing ring 10 are both located on one side of the end cover 2 away from the light-transmitting tube 3, the backing ring 10 is located on one side of the sealing ring 9 away from the end cover 2, and the backing ring 10 abuts against the bolt head of the mounting bolt 8. A limiting groove 11 communicated with the counter bore 17 is formed in the end cover 2 and located at the bottom wall of the counter bore 17, the sealing ring 9 is installed in the limiting groove 11, and the mounting bolt 8 penetrates through the limiting groove 11. In this application, the sealing ring 9 may be a rubber ring. Rotate the in-process that the installation got into mounting groove 7 at construction bolt 8, construction bolt 8's bolt head promotes backing ring 10 and removes, and backing ring 10 promotes sealing ring 9 and removes, and sealing ring 9 is extruded by backing ring 10 in spacing groove 11, and sealing ring 9 receives the extrusion to take place to deform and support tightly on the lateral wall of spacing groove 11 to carry out waterproof sealing to construction bolt 8 and end cover 2 junction, further improved the waterproof sealing effect of light curtain.
The screw rod part of the mounting bolt 8 comprises a threaded rod 81 and a polished rod 82, the polished rod 82 and the bolt head of the mounting bolt 8 are integrally formed, the threaded rod 81 is integrally formed at one end, away from the bolt head, of the polished rod 82, the threaded rod 81 is installed in the mounting groove 7 in a threaded mode, the polished rod 82 penetrates through the end cover 2, and the sealing ring 9 and the backing ring 10 are sleeved on the polished rod 82. At the in-process of 8 rotation installations of construction bolt, threaded rod 81 rotates in the mounting groove 7 of light curtain shell 1, and sealing ring 9 and backing ring 10 all overlap this moment and establish on polished rod 82, and polished rod 82 rotates and is difficult for causing wearing and tearing to sealing ring 9 to the sealed effect of sealing ring 9 has been ensured.
Referring to fig. 3, two mounting nuts 16 are embedded on the side walls of the two end covers far away from the light transmission tube, and after the light curtain is assembled, the light curtain can be quickly and fixedly mounted on the mechanical equipment by using the mounting nuts 16 to match with bolts on the mechanical equipment.
The implementation principle of the embodiment of the application is as follows: when the installation light curtain, establish 3 covers of printing opacity pipe and install on end cover 2, printing opacity pipe 3 extrudees sealing washer 41 in spacing annular 6, and sealing washer 41 is extruded and takes place to deform and support tightly on the lateral wall of spacing annular 6 to carry out waterproof sealing to end cover 2 and 3 junctions of printing opacity pipe, make the water droplet be difficult for causing the damage to the circuit board in the light curtain shell 1, improved the life of light curtain.
The above are preferred embodiments of the present application, and the scope of protection of the present application is not limited thereto, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. A waterproof light curtain, its characterized in that: including light curtain shell (1), all detachable installs end cover (2) at the both ends of light curtain shell (1), light curtain shell (1) upper shield is equipped with printing opacity pipe (3), the both ends of printing opacity pipe (3) are connected with two end covers (2) respectively, just end cover (2) are located and are provided with waterproof sealing structure (4) with printing opacity pipe (3) junction.
2. The waterproof light curtain of claim 1, wherein: waterproof sealing structure (4) include one sealing washer (41) at least, sealing washer (41) set up on the lateral wall of end cover (2), just sealing washer (41) and the inside wall looks butt of printing opacity pipe (3).
3. A water resistant light curtain as claimed in claim 2, wherein: two installation step (5) have all been seted up to the one end that end cover (2) lateral wall is close to printing opacity pipe (3), sealing washer (41) set up on installation step (5) of end cover (2), just printing opacity pipe (3) cover is established on installation step (5) of end cover (2).
4. A water resistant light curtain as claimed in claim 3, wherein: the end cover (2) is positioned on the mounting step (5) and is at least provided with a limiting ring groove (6), and the sealing ring (41) is arranged in the limiting ring groove (6).
5. The waterproof light curtain of claim 1, wherein: the end cover (2) is a circular cover, and the light transmitting tube (3) is a circular tube.
6. The waterproof light curtain of claim 1, wherein: a plurality of mounting grooves (7) are formed in the light curtain shell (1), a plurality of mounting bolts (8) are arranged on the end cover (2), and the mounting bolts (8) are arranged in the mounting grooves (7) in a corresponding threaded mode.
7. The waterproof light curtain of claim 6, wherein: the cover is equipped with sealing ring (9) and backing ring (10) on mounting bolt (8), one side that light curtain shell (1) was kept away from in end cover (2) is all located in sealing ring (9) and backing ring (10), just one side that end cover (2) were kept away from in backing ring (10) is located sealing ring (9), one side and end cover (2) looks butt of sealing ring (9), opposite side and backing ring (10) looks butt.
8. The waterproof light curtain of claim 7, wherein: spacing groove (11) have been seted up on the lateral wall of light curtain shell (1) is kept away from in end cover (2), mounting bolt (8) pass spacing groove (11), just sealing ring (9) are located spacing groove (11).
9. The waterproof light curtain of claim 7, wherein: the screw rod of the mounting bolt (8) comprises a threaded rod (81) and a polished rod (82), two ends of the polished rod (82) are fixedly connected with the threaded rod (81) and the bolt head of the mounting bolt (8) respectively, and the sealing ring (9) and the cushion ring (10) are sleeved on the polished rod (82).
10. The waterproof light curtain of claim 1, wherein: a plurality of constant head tanks (12), two have all been seted up at the both ends of light curtain shell (1) inside wall all be provided with a plurality of locating pieces (13) on end cover (2) are close to the lateral wall of light curtain shell (1), and are a plurality of locating piece (13) looks adaptation sets up respectively in a plurality of constant head tanks (12).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221998892.5U CN218037387U (en) | 2022-07-30 | 2022-07-30 | Waterproof light curtain |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202221998892.5U CN218037387U (en) | 2022-07-30 | 2022-07-30 | Waterproof light curtain |
Publications (1)
Publication Number | Publication Date |
---|---|
CN218037387U true CN218037387U (en) | 2022-12-13 |
Family
ID=84341585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202221998892.5U Active CN218037387U (en) | 2022-07-30 | 2022-07-30 | Waterproof light curtain |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN218037387U (en) |
-
2022
- 2022-07-30 CN CN202221998892.5U patent/CN218037387U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US5207499A (en) | Integral light and liquid circulation fitting | |
US5607224A (en) | Plastic niche and grounding assembly therefor | |
CN210601252U (en) | Solar energy lawn lighting lamp | |
CN114001234A (en) | Natural gas pipeline carries gas leakage detection device | |
CN218037387U (en) | Waterproof light curtain | |
CN114069324B (en) | Irradiation-resistant underwater connector | |
CN215171014U (en) | Air bag sealing assembly for nuclear power circulating water pump | |
CN211148715U (en) | Outdoor waterproof electric power monitor | |
CN214901025U (en) | Wireless visual pipeline mediation video detection equipment | |
CN204593123U (en) | A kind of safety-type LED Ceiling light | |
CN219124288U (en) | Detection camera and pipeline detection equipment | |
CN209800712U (en) | framework type O-shaped sealing ring | |
CN202675031U (en) | Acoustic-optic warning light | |
CN212992770U (en) | Mounting structure of photoelectric sensor | |
CN102809875B (en) | Sealing structure of spherical security monitoring device | |
CN213752038U (en) | Network security anti-theft cable | |
CN213083440U (en) | Boats and ships electrical equipment installation unable adjustment base | |
CN212005338U (en) | Decorate waterproof mounting structure of floor-lamp | |
CN220908222U (en) | Temporary guiding device for transportation | |
CN211083998U (en) | Detachable ground lighting device | |
CN111204429A (en) | Underwater robot limit control device | |
CN209782461U (en) | Solar ground plug lamp convenient to maintain | |
CN222147133U (en) | Submersible pump cable sealing structure | |
CN217111181U (en) | Multistage pump motor bearing temperature alarm device | |
CN217031050U (en) | Solar lawn lamp |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |