CN114014201B - Mechanical lifting mechanism based on intelligent home concept - Google Patents
Mechanical lifting mechanism based on intelligent home concept Download PDFInfo
- Publication number
- CN114014201B CN114014201B CN202111344156.8A CN202111344156A CN114014201B CN 114014201 B CN114014201 B CN 114014201B CN 202111344156 A CN202111344156 A CN 202111344156A CN 114014201 B CN114014201 B CN 114014201B
- Authority
- CN
- China
- Prior art keywords
- fixedly connected
- rod
- plate
- lifting
- lifting mechanism
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/28—Constructional details, e.g. end stops, pivoting supporting members, sliding runners adjustable to load dimensions
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/067—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only wound springs
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a mechanical lifting mechanism based on an intelligent home concept, which comprises a base and two side plates, wherein a lifting mechanism is arranged between the two side plates and comprises a driven gear, a cam, a supporting rod and a lifting rod, a fixed rod is fixedly connected to the center of the lower surface of the driven gear, a connecting rod is fixedly connected to the lower surface of the fixed rod, the cam is fixedly sleeved on the lower side of the surface of the connecting rod, the lifting rod is arranged on one transverse side of the connecting rod, the supporting rod is arranged between the lifting rod and the connecting rod, and a pulley is rotatably connected to one transverse side of the longitudinal side of the supporting rod. According to the intelligent lifting device, the intelligent lifting of furniture can be realized by controlling the motor, the intelligent lifting is improved, the cost is low, when the lifting rod suddenly descends due to the problem of parts in the lifting mechanism, the descending speed of the lifting rod is slowed down through a plurality of groups of springs in the protection mechanism, the life safety of a user is protected, and the occurrence of unexpected situations is avoided.
Description
Technical Field
The invention relates to the technical field of intelligent home furnishing, in particular to a mechanical lifting mechanism based on an intelligent home furnishing concept.
Background
The intelligent home uses the house as a platform, integrates facilities related to home life by utilizing a comprehensive wiring technology, a network communication technology, a security protection technology, an automatic control technology and an audio and video technology, builds an efficient management system of the house facilities and family schedule matters, improves the safety, convenience, comfort and artistry of the house, realizes environment-friendly and energy-saving living environment, and continuously improves the intelligent home network along with the realization of the integration technology, the communication technology, the interoperability and the wiring standard. It relates to the operation, management and application of integration technology to all intelligent furniture, devices and systems within a home network.
The intelligent household concept comprises lifting furniture, most of the existing lifting furniture needs to be specially customized, the internal lifting mechanism is complex, the cost is too high, the intelligent household concept is not easy to realize, and meanwhile, the lifting furniture is not provided with a protection mechanism, so that dangers can occur in the using process.
Disclosure of Invention
The invention aims at: in order to solve the problems, a mechanical lifting mechanism based on an intelligent household concept is provided.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
the utility model provides a mechanical elevating system based on intelligent house theory, includes base and two curb plates, two be provided with elevating system between the curb plate, elevating system is including driven gear, cam, branch and lifter, driven gear lower surface center fixedly connected with dead lever, dead lever lower surface fixedly connected with connecting rod, the cam is fixed cup joints in connecting rod surface downside, the lifter sets up in connecting rod horizontal one side, branch sets up between lifter and connecting rod, the horizontal one side swivelling joint of the vertical one side of branch has the pulley, pulley lower surface and the vertical one side movable contact of cam upper surface, the through-hole has transversely been seted up at lifter surface center, the horizontal pulley one end of keeping away from of branch articulates in the through-hole inside.
Preferably, a first connecting plate and a second connecting plate are fixedly connected to one lateral side between the two side plates respectively, the fixing rod is rotatably sleeved inside the first connecting plate, and the lower end of the connecting rod is rotatably connected to the upper surface of the second connecting plate.
Preferably, a first fixing plate and a second fixing plate are fixedly connected to the other transverse side between the two side plates respectively, and the upper side and the lower side of the lifting rod are movably sleeved at the centers of the first fixing plate and the second fixing plate respectively.
Preferably, the inner surface of the side plate on one side is fixedly connected with a connecting block, and one longitudinal surface of the support rod is hinged with one longitudinal surface of the connecting block.
Preferably, a top plate is fixedly connected to the top between the two side plates, a motor is fixedly connected to the upper surface of the top plate, a transmission shaft of the motor extends to the lower portion of the top plate and is fixedly connected with a driving gear, and the driving gear is meshed with the driven gear.
Preferably, a protection mechanism is arranged between the lifting rod and the base, the protection mechanism is composed of a sliding plate, a connecting box and a plurality of groups of springs, a sliding groove is formed in the center of the upper surface of the connecting box, a plurality of groups of springs are fixedly connected to the bottom surface of the sliding groove, the sliding plate is slidably connected inside the sliding groove, and a plurality of groups of springs are fixedly connected to the lower surface of the sliding plate.
Preferably, the lower end of the lifting rod extends into the sliding groove and is fixedly connected to the center of the upper surface of the sliding plate.
Preferably, the upper end of the lifting rod is fixedly connected with a mounting plate.
In summary, due to the adoption of the technical scheme, the beneficial effects of the invention are as follows:
1. this application makes the driving gear start rotating through opening the motor, driving gear and driven gear meshing are connected, so driven gear starts rotating, when driven gear rotates, driven gear lower surface center fixedly connected with dead lever, so dead lever follow-up driven gear starts rotating, dead lever lower surface fixedly connected with connecting rod, so the connecting rod starts rotating, the cam is fixed cup joint in connecting rod surface downside, so the cam starts rotating, the horizontal one side swivelling joint of branch vertical one side has the pulley, pulley lower surface and the vertical one side movable contact of cam upper surface, when the cam rotates, the pulley drives the horizontal one end of branch and reciprocates, the opposite movement of branch other end, the through-hole has transversely been seted up at lifter surface center, pulley one end is transversely kept away from to branch articulates in the through-hole inside, so the lifter starts to reciprocate along with a branch end, lifter upper end fixedly connected with mounting panel, place this elevating system in the inside of elevating furniture, with mounting panel fixedly connected with elevating furniture's inside top surface, intelligent lift that can be realized through the control motor, whole device structure is comparatively simple, the cost is lower when improving intelligence, easy realization.
2. In this application, be provided with protection machanism between lifter and the base, protection machanism comprises the slide, the spread box is constituteed with multiunit spring, the spout has been seted up at spread box upper surface center, multiunit spring lower extreme fixed connection is in the spout bottom surface, slide sliding connection is inside the spout, multiunit spring upper end fixed connection is in slide lower surface, the lower extreme of lifter extends to the spout inside and fixed connection is in slide upper surface center, when the lifter moves down, the lower extreme of lifter extends to spout inside and fixed connection is in slide upper surface center, so the slide slides down in the spout inside under the effect of lifter, multiunit spring lower extreme fixed connection is in the spout bottom surface, multiunit spring upper end fixed connection is in slide lower surface, thereby the multiunit spring compression buffering decurrent pressure when the slide moves down, when the part in the lifter goes wrong and leads to the lifter to suddenly down, through the multiunit spring in the protection machanism speed that descends, the life safety of protection user, the unexpected condition takes place is avoided.
Drawings
Fig. 1 is a schematic diagram showing the overall structure of a mechanical lifting mechanism according to an embodiment of the present invention;
fig. 2 is a schematic view showing an internal structure between two side plates according to an embodiment of the present invention;
FIG. 3 shows a schematic diagram of an explosive structure of a lifting mechanism according to an embodiment of the invention;
FIG. 4 illustrates a schematic diagram of a cam motion explosion configuration provided in accordance with an embodiment of the present invention;
FIG. 5 shows a schematic diagram of an explosion structure of a protection mechanism according to an embodiment of the present invention;
fig. 6 shows a schematic diagram of a motor transmission structure according to an embodiment of the present invention.
Legend description:
1. a base; 2. a side plate; 3. a top plate; 4. a driven gear; 5. a fixed rod; 6. a connecting rod; 7. a cam; 8. a first connecting plate; 9. a second connecting plate; 10. a support rod; 1001. a pulley; 11. a lifting rod; 12. a through hole; 13. a mounting plate; 14. a slide plate; 15. a connection box; 1501. a chute; 16. a spring; 17. a motor; 18. a drive gear; 19. a first fixing plate; 20. a second fixing plate; 21. and (5) connecting a block.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-6, the present invention provides a technical solution:
the utility model provides a mechanical elevating system based on intelligent house theory, including base 1 and two curb plates 2, be provided with elevating system between two curb plates 2, elevating system is including driven gear 4, cam 7, branch 10 and lifter 11, driven gear 4 lower surface center fixedly connected with dead lever 5, fixedly connected with connecting rod 6 under the dead lever 5, cam 7 is fixed cup joint in connecting rod 6 surperficial downside, lifter 11 sets up in connecting rod 6 horizontal one side, branch 10 sets up between lifter 11 and connecting rod 6, the horizontal one side swivelling joint of the vertical one side of branch 10 has pulley 1001, pulley 1001 lower surface and the vertical one side movable contact of cam 7 upper surface, through-hole 12 has transversely been seted up at lifter 11 surperficial center, pulley 1001 one end articulates in inside through-hole 12 is transversely kept away from to branch 10.
When the driven gear 4 rotates, the center of the lower surface of the driven gear 4 is fixedly connected with a fixed rod 5, so that the fixed rod 6 starts to rotate along with the driven gear 4, the lower surface of the fixed rod 5 is fixedly connected with a connecting rod 6, so that the connecting rod 6 starts to rotate, a cam 7 is fixedly sleeved on the lower side of the surface of the connecting rod 6, so that the cam 7 starts to rotate, a pulley 1001 is rotatably connected to one side of the longitudinal direction of a support rod 10, the lower surface of the pulley 1001 is movably contacted with one side of the longitudinal direction of the upper surface of the cam 7, when the cam 7 rotates, the pulley 1001 drives one end of the support rod 10 to move up and down, the other end of the support rod 10 moves reversely, a through hole 12 is transversely formed in the center of the surface of a lifting rod 11, one end of the support rod 10 transversely far away from the pulley 1001 is hinged inside the through hole 12, and therefore the lifting rod 11 starts to move up and down along with one end of the support rod 10.
Specifically, as shown in fig. 4, a first connecting plate 8 and a second connecting plate 9 are fixedly connected to one lateral side between the two side plates 2, the fixing rod 5 is rotatably sleeved inside the first connecting plate 8, and the lower end of the connecting rod 6 is rotatably connected to the upper surface of the second connecting plate 9.
The first connecting plate 8 and the second connecting plate 9 enable the fixed rod 5 to rotate more stably, and deviation is not easy to occur.
Specifically, as shown in fig. 2, a first fixing plate 19 and a second fixing plate 20 are fixedly connected to the other lateral side between the two side plates 2, and the upper and lower sides of the lifting rod 11 are movably sleeved at the centers of the first fixing plate 19 and the second fixing plate 20 respectively.
The lifting rod 11 slides up and down through the first fixing plate 19 and the second fixing plate 20, so that the lifting rod 11 moves up and down more stably, and shaking is avoided.
Specifically, as shown in fig. 2, the inner surface of one side plate 2 is fixedly connected with a connecting block 21, and one longitudinal surface of the supporting rod 10 is hinged with one longitudinal surface of the connecting block 21.
The strut 10 is hinged to the connection block 21 such that the strut 10 moves circumferentially at the hinge point.
Specifically, as shown in fig. 6, a top plate 3 is fixedly connected to the top between the two side plates 2, a motor 17 is fixedly connected to the upper surface of the top plate 3, a transmission shaft of the motor 17 extends to the lower portion of the top plate 3 and is fixedly connected with a driving gear 18, and the driving gear 18 is in meshed connection with the driven gear 4.
The motor 17 is started to start the driving gear 18 to rotate, the driving gear 18 is meshed with the driven gear 4, so that the driven gear 4 starts to rotate, and the lifting mechanism starts to work.
Specifically, as shown in fig. 5, a protection mechanism is disposed between the lifting rod 11 and the base 1, the protection mechanism is composed of a sliding plate 14, a connecting box 15 and a plurality of groups of springs 16, a sliding groove 1501 is formed in the center of the upper surface of the connecting box 15, the lower ends of the plurality of groups of springs 16 are fixedly connected to the bottom surface of the sliding groove 1501, the sliding plate 14 is slidably connected inside the sliding groove 1501, and the upper ends of the plurality of groups of springs 16 are fixedly connected to the lower surface of the sliding plate 14.
Specifically, as shown in fig. 5, the lower end of the lifting rod 11 extends into the chute 1501 and is fixedly connected to the center of the upper surface of the slide plate 14.
When the lifting rod 11 moves downwards, the lower end of the lifting rod 11 extends into the sliding groove 1501 and is fixedly connected to the center of the upper surface of the sliding plate 14, so that the sliding plate 14 slides downwards in the sliding groove 1501 under the action of the lifting rod 11, the lower ends of the plurality of groups of springs 16 are fixedly connected to the bottom surface of the sliding groove 1501, the upper ends of the plurality of groups of springs 16 are fixedly connected to the lower surface of the sliding plate 14, and when the sliding plate 14 moves downwards, the plurality of groups of springs 16 are compressed so as to buffer downward pressure.
Specifically, as shown in fig. 1, the upper end of the lifting rod 11 is fixedly connected with a mounting plate 13.
The mounting plate 13 is used for being fixed on the lower surface of the furniture to be lifted, thereby playing a lifting role.
The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. The utility model provides a mechanical lifting mechanism based on intelligent house theory, includes base (1) and two curb plates (2), its characterized in that, two be provided with elevating system between curb plate (2), elevating system is including driven gear (4), cam (7), branch (10) and lifter (11), driven gear (4) lower surface center fixedly connected with dead lever (5), dead lever (5) lower surface fixedly connected with connecting rod (6), cam (7) are fixed cup joint in connecting rod (6) surface downside, lifter (11) set up in connecting rod (6) horizontal one side, branch (10) set up between lifter (11) and connecting rod (6), branch (10) horizontal one side rotation connection of vertical one side has pulley (1001), pulley (1001) lower surface and the vertical one side movable contact of cam (7) upper surface, through-hole (12) have transversely been seted up at lifter (11) surface center, branch (10) are kept away from pulley (1001) one end transversely and are articulated in through-hole (12) inside;
a first connecting plate (8) and a second connecting plate (9) are fixedly connected to one lateral side between the two side plates (2), the fixed rod (5) is rotatably sleeved inside the first connecting plate (8), and the lower end of the connecting rod (6) is rotatably connected to the upper surface of the second connecting plate (9);
a protection mechanism is arranged between the lifting rod (11) and the base (1), the protection mechanism consists of a sliding plate (14), a connecting box (15) and a plurality of groups of springs (16), sliding grooves (1501) are formed in the center of the upper surface of the connecting box (15), the plurality of groups of springs (16) are fixedly connected to the bottom surface of the sliding grooves (1501), the sliding plate (14) is slidably connected to the inside of the sliding grooves (1501), and the plurality of groups of springs (16) are fixedly connected to the lower surface of the sliding plate (14).
2. The mechanical lifting mechanism based on the intelligent home concept as claimed in claim 1, wherein a first fixing plate (19) and a second fixing plate (20) are fixedly connected to the other lateral side between the two side plates (2), and the upper side and the lower side of the lifting rod (11) are movably sleeved at the centers of the first fixing plate (19) and the second fixing plate (20) respectively.
3. The mechanical lifting mechanism based on the intelligent home concept as claimed in claim 2, wherein a connecting block (21) is fixedly connected to the inner surface of the side plate (2) on one side, and one longitudinal surface of the supporting rod (10) is hinged to one longitudinal surface of the connecting block (21).
4. A mechanical lifting mechanism based on an intelligent home concept as claimed in claim 3, wherein a top plate (3) is fixedly connected between two side plates (2), a motor (17) is fixedly connected to the upper surface of the top plate (3), a transmission shaft of the motor (17) extends to the lower part of the top plate (3) and is fixedly connected with a driving gear (18), and the driving gear (18) is meshed with the driven gear (4).
5. The mechanical lifting mechanism based on the intelligent home concept as claimed in claim 4, wherein the lower end of the lifting rod (11) extends into the chute (1501) and is fixedly connected to the center of the upper surface of the sliding plate (14).
6. The mechanical lifting mechanism based on the intelligent home concept as claimed in claim 5, wherein the upper end of the lifting rod (11) is fixedly connected with a mounting plate (13).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111344156.8A CN114014201B (en) | 2021-11-15 | 2021-11-15 | Mechanical lifting mechanism based on intelligent home concept |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202111344156.8A CN114014201B (en) | 2021-11-15 | 2021-11-15 | Mechanical lifting mechanism based on intelligent home concept |
Publications (2)
Publication Number | Publication Date |
---|---|
CN114014201A CN114014201A (en) | 2022-02-08 |
CN114014201B true CN114014201B (en) | 2023-06-23 |
Family
ID=80064222
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202111344156.8A Active CN114014201B (en) | 2021-11-15 | 2021-11-15 | Mechanical lifting mechanism based on intelligent home concept |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN114014201B (en) |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105489911B (en) * | 2016-02-17 | 2017-12-15 | 刘丽华 | A kind of scrap dry battery disassembles processing unit |
CN206910265U (en) * | 2016-12-19 | 2018-01-23 | 姚建清 | Automatic apparatus for scrubbing and washing |
CN207127131U (en) * | 2017-05-13 | 2018-03-23 | 陈红勇 | A kind of simple effort-saving metal stamping die material jacking mechanism |
CN108002018A (en) * | 2018-01-02 | 2018-05-08 | 天津工业大学 | A kind of oblique lifting bag pulling mechanism |
CN207876890U (en) * | 2018-01-17 | 2018-09-18 | 惠州市长城彩印包装有限公司 | The lateral paper distributing mechanism of paper guide on a kind of offset print |
CN208737790U (en) * | 2018-07-18 | 2019-04-12 | 唐山职业技术学院 | A kind of publicity equipment |
-
2021
- 2021-11-15 CN CN202111344156.8A patent/CN114014201B/en active Active
Also Published As
Publication number | Publication date |
---|---|
CN114014201A (en) | 2022-02-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN105240662B (en) | A kind of display screen lifting all-in-one with motorized elevation mechanism | |
CN102313123B (en) | A kind of automatic lifting device for liquid crystal display, LCD TVs | |
CN110567011A (en) | Device with smoke collecting hood | |
CN114014201B (en) | Mechanical lifting mechanism based on intelligent home concept | |
CN216569781U (en) | Cleaning assembly and cleaning robot | |
CN109088280B (en) | Socket that factor of safety is high | |
CN202188284U (en) | Automatic lifting device for liquid crystal display and liquid crystal television | |
CN110292259B (en) | Translation elevating system and drop-down kitchen accomodate wall cupboard based on dead point location | |
CN210441289U (en) | Device with smoke collecting hood | |
CN109750927B (en) | Automatic push-out upturning reset mechanism and working method thereof | |
CN108741894A (en) | A kind of anti-sideslip intelligent bed | |
CN200946260Y (en) | Push type screw bolt headstock gear | |
CN210446088U (en) | Sliding lifting device and expansion desktop | |
CN211254911U (en) | Reversing control mechanism for manpower elevator | |
CN210179250U (en) | Computer lifting device | |
CN208909231U (en) | A kind of electric elevatable table serves | |
CN221075959U (en) | Display screen lifter | |
CN221279395U (en) | WIFI intelligent LED lamp of family's thing networking | |
CN218114726U (en) | Construction elevator interlocking structure and construction elevator | |
CN216785658U (en) | Single mechanical elevator for interior decoration | |
KR102701527B1 (en) | Cleaning assembly and cleaning robot | |
CN219734155U (en) | Gear box and double lifting system | |
CN214960027U (en) | Microphone lifter with lower flip fixing sleeve ring | |
CN112938570B (en) | Energy-saving security rolling net power machine | |
CN221096259U (en) | Folding arm type window opener capable of adjusting stability |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |