CN220191193U - Signal input/output controller - Google Patents
Signal input/output controller Download PDFInfo
- Publication number
- CN220191193U CN220191193U CN202321467551.XU CN202321467551U CN220191193U CN 220191193 U CN220191193 U CN 220191193U CN 202321467551 U CN202321467551 U CN 202321467551U CN 220191193 U CN220191193 U CN 220191193U
- Authority
- CN
- China
- Prior art keywords
- block
- controller
- signal input
- groove
- hole
- 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 description 41
- 239000002184 metal Substances 0.000 claims description 23
- 230000007704 transition Effects 0.000 claims description 7
- 239000011148 porous material Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Landscapes
- Casings For Electric Apparatus (AREA)
Abstract
The utility model relates to the field of controllers, in particular to a signal input/output controller. The controller includes the controller casing, the tip of controller casing is provided with the apron, be provided with the signal input connector that is used for connecting the signal input line on the apron and the signal output connector that is used for connecting the signal output line, spread groove and constant head tank have been seted up to the lateral wall of controller casing, the one end that the spread groove is close to the apron runs through the terminal surface of controller casing, the constant head tank is perpendicular and be linked together with the spread groove, the controller still includes the connecting block, locating piece and connecting piece, the connecting block is located the spread groove, and the lateral wall of connecting block is leaned on with the inner wall of spread groove mutually, the locating piece is located the constant head tank, and the lateral wall of locating piece is leaned on with the inner wall of constant head tank mutually, the one end and the connecting block of locating piece are perpendicular and link as an organic whole, the connecting hole has been seted up to the connecting block, the through-hole has been seted up to the apron, the connecting piece passes the through-hole and peg graft in the connecting hole, make apron and controller casing relatively fixed. The utility model has the advantages of long service life and the like.
Description
Technical Field
The utility model relates to the field of controllers, in particular to a signal input/output controller.
Background
The signal input/output controller is used as basic hardware for remote environment monitoring and sensor data acquisition, the front end of the signal input/output controller is connected with a sensor in a physical environment, the rear end of the signal input/output controller is connected with the cloud computing server through the Internet of things, and a user monitors the specific conditions of remote environment change or equipment operation in real time through the mobile terminal.
The patent CN217936226U discloses an intelligent cloud data acquisition controller for remote monitoring, including the controller shell, the back of controller shell is provided with back apron, the front of controller shell is provided with the front apron, the installation slot has all been seted up to the inside at four corners on controller shell front and back, the inside grafting of installation slot has the connection hornblock, four positive corners of front apron and four corners at back apron back all are provided with the supporting hornblock, the back fixedly connected with protective sleeve who is located positive supporting hornblock, protective sleeve activity cup joints in the outside of connecting screw, protective sleeve swing joint is in the inside of front apron, the inside of supporting hornblock is provided with connecting screw, connecting screw's one end threaded connection is in the inside of connecting hornblock, through utilizing connecting hornblock and connecting screw to be connected front apron and back apron and controller shell, the connecting screw who conveniently carries out the smooth silk changes.
However, the connection angle block in the controller is only partially contacted with the controller shell, most of the connection angle block is in a suspended state, and the suspended part is just the part through which the connection screw passes, when the connection screw is screwed, the stress at the contact position of the connection angle block and the controller shell is concentrated, the connection angle block and the controller shell are easy to damage, and the service life of the controller is influenced.
Disclosure of Invention
In order to improve the service life of the controller, the utility model provides a signal input/output controller.
The utility model provides a signal input/output controller which adopts the following technical scheme:
the utility model provides a signal input/output controller, includes the controller casing of having seted up the inner chamber, the tip of controller casing is provided with the apron that can seal the inner chamber, be provided with the signal input connector that is used for connecting the signal input line on the apron and be used for connecting the signal output connector of signal output line, spread groove and constant head tank have been seted up to the lateral wall of controller casing, the one end that the spread groove is close to the apron runs through the terminal surface of controller casing, the constant head tank is perpendicular and be linked together with the spread groove, the controller still includes connecting block, locating piece and connecting piece, the connecting block is located the spread groove, and the lateral wall of connecting block is leaned on with the inner wall of spread groove, the locating piece is located the constant head tank, and the lateral wall of locating piece is leaned on with the inner wall of constant head tank mutually, and the one end of locating piece is perpendicular and even as an organic whole with the connecting block, the connecting hole has been seted up to the one end that the connecting piece is close to the apron, the through-hole with the connecting hole is aligned is seted up to the apron, the connecting piece passes the through-hole and peg graft in the connecting hole, makes apron and controller casing relatively fixed.
Through adopting above-mentioned technical scheme, when connecting piece or connecting block appear damaging when needing to change, can take out the connecting piece from the connecting hole earlier, then take out connecting block and locating piece, change corresponding part, place the connecting block in the spread groove again, place the locating piece in the constant head tank, pass the through-hole with the connecting piece and peg graft in the connecting hole at last, make apron and controller casing relatively fixed. Because the lateral wall of connecting block is leaned on mutually with the inner wall of spread groove, the lateral wall of locating piece is leaned on mutually with the inner wall of constant head tank, therefore when the connecting block arrives the external force of connecting piece, the atress area of connecting block and locating piece is great, the phenomenon that difficult emergence atress is concentrated reduces the risk of local atress excessive wear, and the inner wall of spread groove can also play spacing effect to the connecting block, avoid the connecting block atress to take place the beat, can reduce the risk that appears the atress is concentrated equally, improve the life of connecting block, and then improve the life of controller.
Preferably, one side of the positioning block, which is close to the cover plate, is abutted against the inner wall of the positioning groove, one side of the positioning block, which is far away from the cover plate, is provided with a metal elastic sheet, one end of the metal elastic sheet is fixed on the positioning block, the other end of the metal elastic sheet is suspended, and the metal elastic sheet can directly or indirectly apply elastic force to the inner wall of the positioning groove.
Through adopting above-mentioned technical scheme, after the design has the metal shrapnel, when the locating piece is located the constant head tank, the metal shrapnel can apply elasticity to the inner wall of constant head tank for the locating piece can be in the optional position of constant head tank realize preliminary fixed, makes the connecting block also can be preliminarily fixed in the spread groove, makes things convenient for the connecting piece to be connected with the connecting block, avoids connecting block and locating piece to drop in the inner chamber of controller casing when the tank bottom fretwork setting of spread groove and constant head tank.
Preferably, the metal elastic sheet comprises a sheet-shaped body, one end of the sheet-shaped body is bent towards the direction of the positioning block to form a fixing part, the fixing part is connected with the positioning block, an arc-shaped transition section is arranged between the fixing part and the sheet-shaped body, the sheet-shaped body and the positioning block are arranged at intervals, and the sheet-shaped body can directly or indirectly apply elastic force to the inner wall of the positioning groove.
Through adopting above-mentioned technical scheme, the other end of slice body can be through exerting elasticity to the constant head tank, makes the locating piece preliminarily fixed in the constant head tank, and the design has the changeover portion can reduce because of the cracked risk of slice body multiple bending messenger metal shrapnel.
Preferably, the controller further comprises a sealing block located in the positioning groove, one side of the sealing block is abutted against the inner wall of the positioning groove, the other side of the sealing block is abutted against the sheet-shaped body, and the sealing block is further provided with an arc-shaped surface abutted against the transition section of the metal elastic sheet.
Through adopting above-mentioned technical scheme, the design has the sealing block, can reduce the risk that dust impurity got into the constant head tank.
Preferably, one end of the positioning groove away from the connecting groove penetrates through the side wall of the controller shell.
Through adopting above-mentioned technical scheme, when the locating piece is taken out to needs, can follow the side of constant head tank and go into the back, pry the locating piece from between the bottom of locating piece and the tank bottom of constant head tank, the operation is more convenient.
Preferably, the controller further comprises a sealing piece capable of covering the opening of the connecting groove and the opening of the positioning groove, the sealing piece is fixed on the sealing block, and a sealing groove corresponding to the sealing piece is formed in the controller shell.
Through adopting above-mentioned technical scheme, the design has the sealing washer, can further reduce dust, impurity and get into the risk of spread groove and constant head tank.
Preferably, the connecting hole on the connecting block is a threaded hole, the connecting piece comprises a connecting bolt, the head of the connecting bolt is abutted on the cover plate, and the rod part of the connecting bolt penetrates through the through hole to be in threaded connection with the threaded hole.
By adopting the technical scheme, the connecting bolt is screwed, so that the cover plate is relatively close to the connecting block, the controller shell is clamped, and the cover plate, the connecting block and the controller shell are relatively fixed.
Preferably, a shaft sleeve is arranged in the through hole of the cover plate, and the connecting bolt penetrates through the shaft sleeve to be in threaded connection with the threaded hole.
Through adopting above-mentioned technical scheme, the design has the axle sleeve, can play the guard action to the apron, reduces connecting bolt's screw thread fish tail apron's probability.
Drawings
Fig. 1 is a schematic structural view of an embodiment of the present utility model.
Fig. 2 is an exploded view of an embodiment of the present utility model.
Fig. 3 is an enlarged view of a portion a of fig. 2.
Fig. 4 is a top view of an embodiment of the present utility model.
Fig. 5 is a cross-sectional view taken along line A-A in fig. 4.
Fig. 6 is an enlarged view of a portion B of fig. 5.
Fig. 7 is a schematic structural diagram of a metal spring according to an embodiment of the utility model.
Fig. 8 is a schematic structural view of a sealing block and a sealing sheet according to an embodiment of the present utility model.
Reference numerals illustrate: 1. a controller housing; 2. an inner cavity; 3. a cover plate; 4. a signal input connector; 5. a signal output connector; 6. a connecting groove; 7. a positioning groove; 8. sealing grooves; 9. a connecting block; 10. a positioning block; 11. a connecting piece; 12. a connection hole; 13. a through hole; 14. a first pore canal; 15. a second pore canal; 16. a third pore canal; 17. a first step surface; 18. step surface II; 19. a shaft sleeve; 20. a metal spring plate; 21. a sheet-like body; 22. a fixing part; 23. a transition section; 24. a sealing block; 25. and a sealing sheet.
Detailed Description
The utility model is described in further detail below with reference to fig. 1-8.
As shown in fig. 1 and 2, the controller comprises a controller housing 1, wherein an inner cavity 2 is formed in the controller housing 1, a cover plate 3 capable of closing the inner cavity 2 is arranged at the end part of the controller housing 1, and a signal input connector 4 for connecting a signal input line and a signal output connector 5 for connecting a signal output line are arranged on the cover plate 3.
In this embodiment, the controller housing 1 is an integral square, the inner cavity 2 penetrates through two ends of the controller housing 1, and two cover plates 3 are correspondingly designed.
Alternatively, the controller housing 1 may be designed as a plurality of housings, which are joined together to form the controller housing 1. The inner cavity 2 may extend through only one end of the controller housing 1, and only one cover plate 3 is required to be designed correspondingly.
As shown in fig. 2 and 3, a connecting groove 6 and a positioning groove 7 are formed in the side wall of the controller housing 1, one end, close to the cover plate 3, of the connecting groove 6 penetrates through the end face of the controller housing 1, and the positioning groove 7 is perpendicular to and communicated with the connecting groove 6.
In this embodiment, the number of the connecting slots 6 and the number of the positioning slots 7 are 8, wherein 4 connecting slots 6 and 4 positioning slots 7 are located at 4 corners of one end of the controller housing 1, corresponding to one of the cover plates 3, and the remaining 4 connecting slots 6 and 4 positioning slots 7 are located at 4 corners of the other end of the controller housing 1, corresponding to the other cover plate 3.
Alternatively, the number of the connecting grooves 6 and the positioning grooves 7 may be 4, and the connecting grooves 6 and the positioning grooves 7 may be provided at intermediate positions of the end portions of the controller housing 1.
As a preference, in this embodiment, one end of the positioning groove 7 away from the connecting groove 6 penetrates through the side wall of the controller housing 1, the side wall of the controller housing 1 is further provided with a sealing groove 8 located at the edges of the positioning groove 7 and the connecting groove 6, the bottoms of the positioning groove 7 and the connecting groove 6 are of solid structures, and objects in the positioning groove 7 and the connecting groove 6 are prevented from falling into the inner cavity 2 of the controller housing 1.
As other schemes, one end of the positioning groove 7 far away from the connecting groove 6 can also be designed to be not penetrated through the structure of the controller housing 1, and the bottoms of the positioning groove 7 and the connecting groove 6 can also be designed to be penetrated through the controller housing 1, so that the positioning groove 7 and the connecting groove 6 are communicated with the inner cavity 2 of the controller housing 1, and the thickness requirement of the controller housing 1 can be correspondingly reduced.
As shown in fig. 2 and 3, the controller further includes a connection block 9 and a positioning block 10, the connection block 9 is located in the connection groove 6, the side wall of the connection block 9 is abutted against the inner wall of the connection groove 6, the positioning block 10 is located in the positioning groove 7, the side wall of the positioning block 10 is abutted against the inner wall of the positioning groove 7, and one end of the positioning block 10 is perpendicular to the connection block 9 and connected into a whole.
As shown in fig. 4 and 5, the controller further includes a connecting piece 11, a connecting hole 12 is formed at one end of the connecting block 9 near the cover plate 3, a through hole 13 aligned with the connecting hole 12 is formed in the cover plate 3, and the connecting piece 11 passes through the through hole 13 and is inserted into the connecting hole 12, so that the cover plate 3 and the controller housing 1 are relatively fixed.
As shown in fig. 5 and 6, the connecting hole 12 on the connecting block 9 is a threaded hole, the connecting piece 11 includes a connecting bolt, the head of the connecting bolt abuts against the cover plate 3, and the rod of the connecting bolt passes through the through hole 13 and is in threaded connection with the threaded hole.
Preferably, the through hole 13 comprises a first channel 14, a second channel 15 and a third channel 16 which are coaxially communicated, the first channel 14 is far away from the controller shell 1, the third channel 16 is close to the controller shell 1, the second channel 15 is positioned between the first channel 14 and the third channel 16, the diameter of the first channel 14 is larger than that of the second channel 15, a step surface 17 is formed between the first channel 14 and the third channel 16, the diameter of the third channel 16 is larger than that of the second channel 15, a step surface 18 is formed between the third channel 16 and the second channel 15, the head of the connecting bolt is abutted against the step surface 17, a shaft sleeve 19 is arranged in the third channel 16, one end of the shaft sleeve 19 is abutted against the step surface 18, the other end of the shaft sleeve 19 is abutted against the connecting block 9, and the connecting bolt sequentially passes through the first channel 14, the second channel 15 and the shaft sleeve 19.
Alternatively, the connecting element 11 can also be designed as a connecting screw, a clamping strip or the like.
As shown in fig. 6 and 7, one side of the positioning block 10, which is close to the cover plate 3, is abutted against the inner wall of the positioning groove 7, one side of the positioning block 10, which is far away from the cover plate 3, is provided with a metal spring piece 20, the metal spring piece 20 comprises a sheet-shaped body 21, one end of the sheet-shaped body 21 is bent towards the direction of the positioning block 10 to form a fixing part 22, the fixing part 22 is connected with the positioning block 10, an arc-shaped transition section 23 is arranged between the fixing part 22 and the sheet-shaped body 21, the other end of the sheet-shaped body 21 is suspended, the sheet-shaped body 21 and the positioning block 10 are distributed at intervals, and the sheet-shaped body 21 can directly or indirectly apply elastic force to the inner wall of the positioning groove 7, so that the positioning block 10 can be primarily fixed at any position of the positioning groove 7, the connecting block 9 can also be primarily positioned in the connecting groove 6, and the connecting piece 11 and the connecting block 9 are convenient to connect.
In this embodiment, the fixing portion 22 is located near the notch of the positioning groove 7, and alternatively, the fixing portion 22 may be designed near the bottom of the positioning groove 7, and only the sheet-shaped body 21 can directly or indirectly apply elastic force to the inner wall of the positioning groove 7.
The metal spring plate 20 and the positioning block 10 can be connected by adopting a welding mode or other mechanical connection modes such as screw fastening and the like.
As shown in fig. 6 and 8, in this embodiment, the controller further includes a sealing block 24 located in the positioning slot 7, one side of the sealing block 24 is abutted against the inner wall of the positioning slot 7, the other side of the sealing block 24 is abutted against the sheet-shaped body 21, the sealing block 24 further has an arc-shaped surface abutted against the transition section 23 of the metal elastic sheet 20, and when the two are abutted against each other, the sealing block 24 can apply pressure to the sheet-shaped body 21, so that the sheet-shaped body 21 deflects towards the direction of the positioning block 10, the metal elastic sheet 20 applies elastic force to the sealing block 24, and indirectly applies elastic force to the inner wall of the positioning slot 7.
Alternatively, the metal spring plate 20 may directly abut against the inner wall of the positioning groove 7, and directly apply an elastic force to the inner wall of the positioning groove 7.
As shown in fig. 6 and 8, the controller further includes a sealing piece 25 capable of covering the opening of the connecting groove 6 and the opening of the positioning groove 7, the sealing piece 25 is fixed on the sealing block 24 by a screw, and the sealing piece 25 is made of rubber, is matched with the sealing groove 8 of the controller housing 1, and is clamped in the sealing groove 8.
The working principle of the utility model is as follows: when the connecting bolt or the connecting block 9 is damaged and needs to be replaced, the sealing piece 25 and the sealing block 24 can be firstly taken out from the positioning groove 7, then the connecting bolt is unscrewed, finally the connecting block 9 and the positioning block 10 are taken out, corresponding parts are replaced, then the connecting block 9 is placed in the connecting groove 6, the positioning block 10 is placed in the positioning groove 7, finally the connecting bolt passes through the through hole 13 to be in threaded connection with the connecting hole 12, and the sealing block 24 is inserted between the positioning block 10 and the inner wall of the positioning groove 7.
The above embodiments are not intended to limit the scope of the present utility model, so: all equivalent changes in structure, shape and principle of the utility model should be covered in the scope of protection of the utility model.
Claims (8)
1. The utility model provides a signal input/output controller, its characterized in that, including setting up controller casing (1) of inner chamber (2), the tip of controller casing (1) is provided with apron (3) that can seal inner chamber (2), be provided with on apron (3) and be used for connecting signal input line's signal input joint (4) and be used for connecting signal output line's signal output joint (5), connecting groove (6) and constant head tank (7) have been seted up to the lateral wall of controller casing (1), the terminal surface of controller casing (1) is run through to the one end that connecting groove (6) is close to apron (3), constant head tank (7) and connecting groove (6) are perpendicular and are linked together, the controller still includes connecting block (9), locating piece (10) and connecting piece (11), connecting block (9) are located connecting groove (6), and the lateral wall of connecting block (9) is close to the inner wall of connecting groove (6), locating piece (10) are located constant head tank (7), and the lateral wall of locating piece (10) is close to the inner wall of constant head tank (7) and one end (9) is closed, and is opened for perpendicular connecting block (9) and connecting hole (12) are close to one end, the cover plate (3) is provided with a through hole (13) aligned with the connecting hole (12), and the connecting piece (11) penetrates through the through hole (13) and is inserted into the connecting hole (12) in a plugging manner, so that the cover plate (3) and the controller shell (1) are relatively fixed.
2. The signal input/output controller according to claim 1, wherein one side of the positioning block (10) close to the cover plate (3) is abutted against the inner wall of the positioning groove (7), one side of the positioning block (10) far away from the cover plate (3) is provided with a metal spring piece (20), one end of the metal spring piece (20) is fixed on the positioning block (10), the other end of the metal spring piece (20) is suspended, and the metal spring piece (20) can directly or indirectly apply elastic force to the inner wall of the positioning groove (7).
3. The signal input/output controller according to claim 2, wherein the metal spring plate (20) comprises a sheet-shaped body (21), one end of the sheet-shaped body (21) is bent towards the direction of the positioning block (10) to form a fixing portion (22), the fixing portion (22) is connected with the positioning block (10), an arc-shaped transition section (23) is arranged between the fixing portion (22) and the sheet-shaped body (21), the sheet-shaped body (21) and the positioning block (10) are arranged at intervals, and the sheet-shaped body (21) can directly or indirectly apply elastic force to the inner wall of the positioning groove (7).
4. A signal input/output controller according to claim 3, characterized in that the controller further comprises a sealing block (24) located in the positioning groove (7), one side of the sealing block (24) is abutted against the inner wall of the positioning groove (7), the other side of the sealing block (24) is abutted against the sheet-shaped body (21), and the sealing block (24) further has an arc-shaped surface abutted against the transition section (23) of the metal spring sheet (20).
5. A signal input/output controller according to claim 1 or 2 or 3 or 4, characterized in that the end of the positioning slot (7) remote from the connecting slot (6) extends through the side wall of the controller housing (1).
6. The signal input/output controller according to claim 4, further comprising a sealing sheet (25) capable of covering the opening of the connecting groove (6) and the opening of the positioning groove (7), wherein the sealing sheet (25) is fixed on the sealing block (24), and the controller housing (1) is provided with a sealing groove (8) corresponding to the sealing sheet (25).
7. A signal input/output controller according to claim 1, 2, 3 or 4, wherein the connecting hole (12) of the connecting block (9) is a threaded hole, the connecting piece (11) comprises a connecting bolt, the head of the connecting bolt is abutted against the cover plate (3), and the rod of the connecting bolt passes through the through hole (13) to be in threaded connection with the threaded hole.
8. A signal input/output controller according to claim 7, characterized in that a shaft sleeve (19) is arranged in the through hole (13) of the cover plate (3), and the connecting bolt passes through the shaft sleeve (19) to be in threaded connection with the threaded hole.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321467551.XU CN220191193U (en) | 2023-06-09 | 2023-06-09 | Signal input/output controller |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202321467551.XU CN220191193U (en) | 2023-06-09 | 2023-06-09 | Signal input/output controller |
Publications (1)
Publication Number | Publication Date |
---|---|
CN220191193U true CN220191193U (en) | 2023-12-15 |
Family
ID=89110064
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202321467551.XU Active CN220191193U (en) | 2023-06-09 | 2023-06-09 | Signal input/output controller |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN220191193U (en) |
-
2023
- 2023-06-09 CN CN202321467551.XU patent/CN220191193U/en active Active
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2008082532A3 (en) | Connector assembly for end mounting panel members | |
CN204515191U (en) | The joints of optical fibre | |
CN220191193U (en) | Signal input/output controller | |
CN205303832U (en) | Elastic clamping connecting terminal | |
CN212578601U (en) | Articulated arm for machine-building convenient to dismantle and install | |
CN108019909B (en) | Air deflector and air conditioner | |
CN221006493U (en) | Anti-interference capacitive liquid level sensor | |
CN215896835U (en) | Protection contact pin type connector | |
CN218564511U (en) | Speed-limiting valve for enhancing connection and installation performance of valve port | |
CN214754346U (en) | Enhanced cluster radio frequency connector port | |
MXPA01012218A (en) | Angled optical connector mounting assembly. | |
CN219319501U (en) | Hydrologic flow monitor | |
CN214313382U (en) | PACK case | |
CN215180027U (en) | Carbon emission gridding monitor | |
CN220937393U (en) | Coupler knuckle connecting piece for mounting fixing piece | |
CN219677607U (en) | Just, tear open formula bar copper | |
CN219585602U (en) | Elevator thing networking collection system convenient to installation | |
CN218273332U (en) | Keyboard frame convenient to installation | |
CN215168817U (en) | Door and window handle mounting structure | |
CN213745984U (en) | Wall-mounted infrared curtain detector | |
CN216207565U (en) | Installation fixing equipment of pressure sensor for engine | |
CN201314188Y (en) | Improved structure of hanging gauze window | |
CN215433438U (en) | Six-purpose screwdriver | |
CN219329405U (en) | AC socket structure and defibrillator charger | |
CN219265556U (en) | Wireless indicator diagram sensor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant |