CN112774215A - Better children's wood system toy car of security performance - Google Patents
Better children's wood system toy car of security performance Download PDFInfo
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- CN112774215A CN112774215A CN202011413102.8A CN202011413102A CN112774215A CN 112774215 A CN112774215 A CN 112774215A CN 202011413102 A CN202011413102 A CN 202011413102A CN 112774215 A CN112774215 A CN 112774215A
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H17/00—Toy vehicles, e.g. with self-drive; ; Cranes, winches or the like; Accessories therefor
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H17/00—Toy vehicles, e.g. with self-drive; ; Cranes, winches or the like; Accessories therefor
- A63H17/26—Details; Accessories
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/42—Devices characterised by the use of electric or magnetic means
- G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
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- General Physics & Mathematics (AREA)
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Abstract
The invention relates to the technical field of toy car wooden parts, and discloses a children wooden toy car with better safety performance, which comprises a car body, wherein the outside of the car body is movably connected with a rotating rod, the outer surface of the rotating rod is fixedly sleeved with a turntable, the inside of the turntable is movably connected with a monitoring assembly, the inside of the turntable is movably connected with a first spring, the inside of the turntable is movably connected with a movable block, the inside of the turntable is provided with a current transformer, and the inside of the turntable is fixedly connected with an electric wire; through the carousel, the monitoring subassembly, spring one, the current variant, the movable block, the electric wire, the limiting plate, the dog, the interact between the spring two, can in time slow down the toy car when the speed that wooden toy car ran is too fast, the running speed of having avoided the toy car makes the relatively poor condition that leads to producing great potential safety hazard to children's health safety of stability of automobile body take place at the too fast speed of running to make wooden toy car's security performance improve greatly, accord with the needs of in-service use more.
Description
Technical Field
The invention relates to the technical field of toy car wooden parts, in particular to a wooden toy car for children with good safety performance.
Background
The wooden toy is a toy made of wooden materials, and the wooden toy has the characteristics of firmness, playing resistance, safety, sanitation, rust resistance, no sharp edges and corners and the like, so that the wooden toy is deeply popular with people.
The wooden toy car is also one of wooden toys, is an unpowered car body, and needs to be driven to move forwards by a child stepping on the ground. Present wood system toy car is a simple wood system toy, run into the downhill path when children play or when initiative makes the moving speed that power leads to the toy car too fast, just make the danger of toy car improve greatly, run into a little stone or sill this moment and will lead to the unable remain stable of toy car, the condition of tipping directly appears even, furthermore, the toy car is at the in-process that uses, when running into the slope that some unexpected circumstances lead to the automobile body to take place great degree, the focus of automobile body can remove, make the toy car have the possibility of taking place to tumble, thereby lead to wood system toy car's security relatively poor, also there is certain limitation in the service function simultaneously.
Therefore, in order to solve these problems, a wooden toy car for children with better safety performance is needed.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the wooden toy car for children with better safety performance, which has the advantages of timely decelerating the wooden toy car when the running speed of the wooden toy car is too high and timely and stably supporting the wooden toy car when the inclination angle of the wooden toy car is too large, and solves the problems that the stability is poor due to the too high running speed of the wooden toy car and the inclination angle is easy to tip over due to the accident in the running process of the wooden toy car.
(II) technical scheme
In order to achieve the purposes of timely decelerating the wooden toy car when the running speed of the wooden toy car is too high and timely and stably supporting the wooden toy car when the inclined angle of the wooden toy car is too large, the invention provides the following technical scheme: a children wooden toy car with better safety performance comprises a car body, wherein a rotating rod is movably connected to the outer portion of the car body, a rotary disc is fixedly sleeved on the outer surface of the rotating rod, a monitoring assembly is movably connected to the inner portion of the rotary disc, a first spring is movably connected to the inner portion of the rotary disc, a movable block is movably connected to the inner portion of the rotary disc, an electrorheological body is arranged inside the rotary disc, an electric wire is fixedly connected to the inner portion of the rotary disc, a limiting plate is fixedly connected to the outer portion of the car body, a stopping block is movably connected to the inner portion of the limiting plate, a second spring is fixedly connected to the outer portion of the stopping block, a rotating rod is fixedly connected to the inner portion of the car body, a supporting plate is movably sleeved on the outer surface of the rotating rod, a supporting rod, the outside swing joint of backup pad has supporting component, and the outside swing joint of backup pad has the promotion subassembly, and the inside swing joint of backup pad has spring three, and the inside swing joint of automobile body has the trigger subassembly.
Preferably, the monitoring subassembly mainly comprises balancing weight, bar copper, the N utmost point, the S utmost point, four springs, and the inside fixedly connected with N utmost point of carousel, the inside fixedly connected with S utmost point of carousel, and the inside swing joint of carousel has the spring four, the outside fixedly connected with balancing weight of spring four, the outside fixedly connected with bar copper of balancing weight, the position of bar copper, specification all match with the N utmost point, the S utmost point, and the balancing weight is made by insulating material, can carry out real-time supervision to the speed of running of wooden toy car.
Preferably, the first spring is movably connected with the electrorheological body, the electric connecting column is fixedly connected with the inner part of the rotary disc, the electric wire is fixedly connected with the electric connecting column, the electric connecting column is movably connected with the electrorheological body, the movable block is movably connected with the first spring, the second spring is fixedly connected with the limiting plate, the protective cover is fixedly connected with the outer part of the vehicle body, and the position and the specification of the protective cover are matched with the limiting plate.
Preferably, the inner surface of the turntable is provided with a containing cavity, the containing cavity is movably connected with a baffle plate, the baffle plate is fixedly connected with a spring five outside, the spring five is fixedly connected with the inner surface of the containing cavity, the main materials of the current variant comprise lime, carbon powder, gypsum and olive oil, the current variant is in a solid state in an electrified state, the current variant is in a liquid state in a power-off state, the supporting rod is movably connected with a base outside, and the right side surface of the base is provided with an anti-slip layer.
Preferably, pivot and backup pad swing joint, spacing subassembly mainly comprises ratchet, kelly, electro-magnet one, spring six, quarter butt, and the outside fixed cover of pivot has connect the ratchet, and the outside swing joint of ratchet has the kelly, and the outside fixed connection spring six of kelly, spring six and backup pad fixed connection, the outside swing joint of kelly has the quarter butt, quarter butt and backup pad fixed connection, and the kelly is made by metal iron material, can make the bracing piece stretch out and keep stable state when supporting the automobile body.
Preferably, the support assembly mainly comprises a long rod, a spring seven, an electromagnet two and balls, the electromagnet two is fixedly connected inside the vehicle body, the spring seven is fixedly connected outside the electromagnet two, the long rod is movably connected outside the spring seven, the balls are movably connected inside the long rod, the balls are movably connected with a support plate, the pushing assembly mainly comprises a spring eight and a push plate, the spring eight is fixedly connected outside the vehicle body, the bottom of the spring eight is fixedly connected with the push plate, the push plate is movably connected with the support plate, the triggering assembly mainly comprises contact pieces, steel balls and a glass tube, the glass tube is fixedly connected inside the vehicle body, the steel balls are movably connected inside the glass tube, the inner side surface of the glass tube is fixedly connected with the contact pieces, the number of the contact pieces is two, the two contact pieces are respectively and fixedly connected at the upper end and the, so that the steel ball can not roll under the normal inclination angle or vibration.
Preferably, the rotating shaft, the first electromagnet, the second electromagnet, the contact piece, the electric wire, the copper bar, the external power supply and the driving power supply are all electrically connected with the control center, the rotating shaft is electrically connected with the driving power supply, the electric wire is electrically connected with the external power supply, the power connection post is electrically connected with the electric wire, and the current transformer is electrically connected with the power connection post.
(III) advantageous effects
Compared with the prior art, the invention provides the wooden toy car for children with better safety performance, which has the following beneficial effects:
1. this better children's wood system toy car of security performance, through the carousel, the monitoring subassembly, spring one, the current variant body, the movable block, the electric wire, the limiting plate, the dog, the interact between the spring two, can in time slow down the toy car when the speed that wood system toy car ran is too fast, the running speed of having avoided the toy car makes the relatively poor condition that leads to producing great potential safety hazard to children's health safety of stability of automobile body take place at the excessive speed, thereby make the security performance of wood system toy car improve greatly, accord with the needs of in-service use more.
2. This better children's wood system toy car of security performance, pass through the backup pad, the bracing piece, the apparatus further comprises a rotating shaft, the gear, the rack, three springs, spacing subassembly, supporting component, trigger the interact between the subassembly, can be when wood system toy car's inclination is too big to the toy car support of meeting an urgent need, the in-process that has avoided wood system toy car to use is unexpected to make itself take place to incline greatly and lead to the automobile body to take place the condition of tumbling to take place, greatly reduced toy car danger when using, make children play with putting one's mind at rest, also make wood system toy car can satisfy in-service use needs simultaneously.
Drawings
FIG. 1 is a schematic view of the present invention in partial cross section;
FIG. 2 is a schematic view of a position relationship between a limiting plate and a turntable according to the present invention;
FIG. 3 is an enlarged view of the structure at A in FIG. 2 according to the present invention;
FIG. 4 is a schematic view of the connection structure of the turntable and the vehicle body according to the present invention;
FIG. 5 is a schematic view of a connection structure of a portion of the structure shown in FIG. 1 according to the present invention;
FIG. 6 is an enlarged view of the invention at B in FIG. 5.
In the figure: 1. a vehicle body; 2. a rotating rod; 3. a turntable; 4. a monitoring component; 5. a first spring; 6. a movable block; 7. an electrorheological fluid; 8. an electric wire; 9. a limiting plate; 10. a stopper; 11. a second spring; 12. rotating the rod; 13. a support plate; 14. a support bar; 15. a rack; 16. a gear; 17. a rotating shaft; 18. a limiting component; 19. a support assembly; 20. a pushing assembly; 21. a third spring; 22. and a triggering component.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, a wooden toy car for children with better safety performance comprises a car body 1, wherein the outside of the car body 1 is movably connected with a rotating rod 2, the outer surface of the rotating rod 2 is fixedly sleeved with a turntable 3, the inside of the turntable 3 is movably connected with a monitoring component 4, the monitoring component 4 mainly comprises a balancing weight, a copper bar, an N pole, an S pole and a spring, the inside of the turntable 3 is fixedly connected with the N pole, the inside of the turntable 3 is fixedly connected with the S pole, the inside of the turntable 3 is movably connected with the spring four, the outside of the spring four is fixedly connected with the balancing weight, the balancing weight is made of an insulating material, the centrifugal force of the balancing weight is larger than that of the spring four within a normal rotating speed range, when the centrifugal force of the balancing weight exceeds the normal rotating speed range, the centrifugal force of the balancing weight is larger than that of the spring four, the S pole is matched, the balancing weight is made of insulating materials and can monitor the running speed of the wooden toy car in real time, the inner part of the rotary disc 3 is movably connected with a first spring 5, the inner part of the rotary disc 3 is movably connected with a movable block 6, the inner part of the rotary disc 3 is provided with a current variant 7, the inner part of the rotary disc 3 is fixedly connected with an electric wire 8, the outer part of the car body 1 is fixedly connected with a limiting plate 9, the inner part of the limiting plate 9 is movably connected with a stop block 10, the outer part of the stop block 10 is fixedly connected with a second spring 11, the elasticity coefficient value of the second spring 11 is far greater than that of the first spring 5, the first spring 5 is movably connected with the current variant 7, the inner part of the rotary disc 3 is fixedly connected with an electric connecting post, the electric wire 8 is fixedly connected with the electric connecting post, the electric connecting post is movably connected with, the position and the specification of the protective cover are matched with the limiting plate 9.
The internal fixedly connected with dwang 12 of automobile body 1, backup pad 13 has been cup jointed to the surface activity of dwang 12, the internal swing joint of backup pad 13 has bracing piece 14, the internal surface of carousel 3 has been seted up and has been held the chamber, the internal swing joint that holds the chamber has the baffle, the outside fixedly connected with spring five of baffle, spring five is connected with the internal surface fixed who holds the chamber, the major material of electrorheological body 7 has lime, powdered carbon, gypsum and olive oil, under the circular telegram state, electrorheological body 7 is solid-state, under the outage state, electrorheological body 7 is liquid-state, the external swing joint of bracing piece 14 has the base, the right flank of base is provided with the skid resistant course, the external fixedly connected with rack 15 of bracing piece 14, the outside meshing of rack 15 has gear 16, the external fixedly connected with pivot 17 of gear 16, pivot 17, electro-magnet one, The copper bar, external power source, drive power source all is connected with the control center electricity, pivot 17 is connected with drive power source electricity, electric wire 8 is connected with the external power source electricity, connect the electric post to be connected with electric wire 8 electricity, current variant 7 is connected with the electricity post electricity, the outside swing joint of pivot 17 has spacing subassembly 18, pivot 17 and backup pad 13 swing joint, spacing subassembly 18 mainly by the ratchet, the kelly, electro-magnet one, spring six, the quarter butt is constituteed, the fixed ratchet that has cup jointed in the outside of pivot 17, the outside swing joint of ratchet has the kelly, the outside fixed connection spring six of kelly, spring six and backup pad 13 fixed connection, the outside swing joint of kelly has the quarter butt, quarter butt and backup pad 13 fixed connection, the kelly is made by metal iron material, can make bracing piece 14 stretch out and keep stable state when supporting automobile body 1.
The external part of the supporting plate 13 is movably connected with a supporting component 19, the external part of the supporting plate 13 is movably connected with a pushing component 20, the internal part of the supporting plate 13 is movably connected with a spring III 21, the lower compression state is the initial state, the internal part of the vehicle body 1 is movably connected with a triggering component 22, the supporting component 19 mainly comprises a long rod, a spring VII, an electromagnet II and a ball, the internal part of the vehicle body 1 is fixedly connected with an electromagnet II, the external part of the electromagnet II is fixedly connected with a spring VII, the external part of the spring VII is movably connected with a long rod, the internal part of the long rod is movably connected with the ball, the ball is movably connected with the supporting plate 13, the long rod is made of metal iron materials, the pushing component 20 mainly comprises a spring VIII and a push plate, the external part of the vehicle body 1 is, trigger component 22 mainly comprises contact, steel ball, glass pipe, and the inside fixedly connected with glass pipe of automobile body 1, the inside swing joint of glass pipe has the steel ball, and the medial surface fixedly connected with contact of glass pipe, the quantity of contact are two, and two contacts are fixed connection respectively at the inside upper and lower both ends of glass pipe, and the internal surface of glass pipe sets up the recess for general inclination or vibration can not make the steel ball take place to roll.
The working principle is as follows: when a child plays the wooden toy car, when the child encounters a slope or actively makes force to enable the running speed of the wooden toy to be too high, the centrifugal force of the balancing weight is larger than the elastic force of the spring IV, the balancing weight moves and drives the copper bar to move, the copper bar can cut a magnetic induction line between an N pole and an S pole in the moving process, so that current can be generated inside the copper bar, a control center controls an external power supply to electrify the electric wire 8, the electric wire 8 is electrified to enable the electric connection column to be electrified, the electric connection column is electrified to enable the current variant 7 to be electrified, the current variant 7 is electrified to be changed from a liquid state to a solid state, the spring I5 cannot be compressed any more after the current variant 7 is changed into the solid state, so that the movable block 6 cannot retract back to the inside of the rotary table 3, when the rotary rod 2 rotates to enable the movable block 6 to be in contact with the stop block 10, because the elastic coefficient of the spring II 11 is larger, the, when the movable block 6 passes through the outside of the stopper 10, the rotation speed of the turntable 3 can be gradually slowed down by the resistance of the stopper 10, so that the speed of the wooden toy car can be reduced.
When the inclination angle of the toy car body 1 is too large due to the ground or stones in the using process, the steel balls roll in the glass tube and contact with the contact pieces, so that the control center controls the external power supply to electrify the electromagnet II, the electromagnet generates magnetism after electrification and attracts the long rod mutually, the long rod moves to be separated from the support plate 13, the support plate 13 which loses support rapidly rotates around the rotating rod 2 under the action of eight resilience forces of the spring, when the base leaves the toy car body 1, the support rod 14 which loses obstruction moves to the outside of the support plate 13 under the action of three 21 resilience forces of the spring, and the support plate 13 can stably support the toy car body 1 after contacting with the ground, so that the situation that the toy car body 1 is overturned due to the overlarge inclination angle can be avoided, at the moment, the support rod 14 can be supported under the interaction of the ratchet wheel and the clamping, the situation that the supporting rod 14 retracts into the supporting plate 13 under the action of the gravity of the vehicle body 1 to cause the vehicle body 1 to be incapable of stably supporting is avoided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a better children's wood system toy car of security performance, includes automobile body (1), its characterized in that: the device is characterized in that a rotating rod (2) is movably connected to the outer part of the trolley body (1), a rotating disc (3) is fixedly sleeved on the outer surface of the rotating rod (2), a monitoring assembly (4) is movably connected to the inner part of the rotating disc (3), a spring I (5) is movably connected to the inner part of the rotating disc (3), a movable block (6) is movably connected to the inner part of the rotating disc (3), an electrorheological body (7) is arranged inside the rotating disc (3), an electric wire (8) is fixedly connected to the inner part of the rotating disc (3), a limiting plate (9) is fixedly connected to the outer part of the trolley body (1), a stop block (10) is movably connected to the inner part of the limiting plate (9), a spring II (11) is fixedly connected to the outer part of the stop block (10), a rotating rod (12) is fixedly connected to the inner part of, the outside fixedly connected with rack (15) of bracing piece (14), the outside meshing of rack (15) has gear (16), the outside fixedly connected with pivot (17) of gear (16), the outside swing joint of pivot (17) has spacing subassembly (18), the outside swing joint of backup pad (13) has supporting component (19), the outside swing joint of backup pad (13) has promotion subassembly (20), the inside swing joint of backup pad (13) has spring three (21), the inside swing joint of automobile body (1) has trigger subassembly (22).
2. A child's wooden toy car with better safety performance as claimed in claim 1, wherein: monitoring subassembly (4) mainly comprise balancing weight, bar copper, the N utmost point, the S utmost point, four springs, and the inside fixedly connected with N utmost point of carousel (3), the inside fixedly connected with S utmost point of carousel (3), and the inside swing joint of carousel (3) has four springs, the outside fixedly connected with balancing weight of four springs, the outside fixedly connected with bar copper of balancing weight, the position of bar copper, specification all match with the N utmost point, the S utmost point, and the balancing weight is made by insulating material.
3. A child's wooden toy car with better safety performance as claimed in claim 1, wherein: spring (5) and electrorheological body (7) swing joint, the inside fixedly connected with of carousel (3) connects the electric pole, electric wire (8) with connect electric pole fixed connection, connect electric pole and electrorheological body (7) swing joint, movable block (6) and spring (5) swing joint, spring two (11) and limiting plate (9) fixed connection, the outside fixedly connected with protection casing of automobile body (1), position, specification and limiting plate (9) phase-match of protection casing.
4. A child's wooden toy car with better safety performance as claimed in claim 1, wherein: the inner surface of carousel (3) has been seted up and has been held the chamber, and the inside swing joint that holds the chamber has the baffle, and the outside fixedly connected with spring five of baffle, spring five and the interior fixed surface who holds the chamber are connected, and the main material of electrorheological body (7) has lime, powdered carbon, gypsum and olive oil, and the outside swing joint of bracing piece (14) has the base, and the right flank of base is provided with the skid resistant course.
5. A child's wooden toy car with better safety performance as claimed in claim 1, wherein: pivot (17) and backup pad (13) swing joint, spacing subassembly (18) mainly comprise ratchet, kelly, electro-magnet one, spring six, quarter butt, and the fixed cover in outside of pivot (17) has connect the ratchet, and the outside swing joint of ratchet has the kelly, and the outside fixed connection spring six of kelly, spring six and backup pad (13) fixed connection, the outside swing joint of kelly has the quarter butt, quarter butt and backup pad (13) fixed connection, and the kelly is made by metal iron material.
6. A child's wooden toy car with better safety performance as claimed in claim 1, wherein: the supporting component (19) mainly comprises a long rod, a spring seven, an electromagnet two and balls, the electromagnet two is fixedly connected inside the vehicle body (1), the spring seven is fixedly connected outside the electromagnet two, the long rod is movably connected outside the spring seven, the balls are movably connected inside the long rod, the balls are movably connected with the supporting plate (13), the pushing component (20) mainly comprises a spring eight and a pushing plate, the spring eight is fixedly connected outside the vehicle body (1), the pushing plate is fixedly connected at the bottom of the spring eight, the pushing plate is movably connected with the supporting plate (13), the triggering component (22) mainly comprises contact pieces, steel balls and a glass tube, the glass tube is fixedly connected inside the vehicle body (1), the steel balls are movably connected inside the glass tube, the contact pieces are fixedly connected to the inner side surface of the glass tube, the number of the contact pieces is two, and the two contact pieces are respectively and fixedly connected to the, the inner surface of the glass tube is provided with a groove.
7. A child's wooden toy car with better safety performance as claimed in claim 1, wherein: the rotating shaft (17), the electromagnet I, the electromagnet II, the contact piece, the electric wire (8), the copper bar, the external power supply and the driving power supply are all electrically connected with the control center, the rotating shaft (17) is electrically connected with the driving power supply, the electric wire (8) is electrically connected with the external power supply, the power connection pole is electrically connected with the electric wire (8), and the current transformer (7) is electrically connected with the power connection pole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011413102.8A CN112774215A (en) | 2020-12-03 | 2020-12-03 | Better children's wood system toy car of security performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011413102.8A CN112774215A (en) | 2020-12-03 | 2020-12-03 | Better children's wood system toy car of security performance |
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| Publication Number | Publication Date |
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| CN112774215A true CN112774215A (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011413102.8A Withdrawn CN112774215A (en) | 2020-12-03 | 2020-12-03 | Better children's wood system toy car of security performance |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203060823U (en) * | 2012-12-27 | 2013-07-17 | 廖华波 | Toy car made of wood |
| CN207928721U (en) * | 2018-02-23 | 2018-10-02 | 江西粤华实业有限公司 | A kind of New children toy vehicle |
| CN210251202U (en) * | 2019-05-14 | 2020-04-07 | 江西昇迪科技股份有限公司 | Toy car with good shock absorption performance |
| CN111692248A (en) * | 2020-06-22 | 2020-09-22 | 浙江火萌互娱信息技术有限公司 | Stall braking device for transmission shaft of electric wheelchair |
| CN111807230A (en) * | 2020-07-27 | 2020-10-23 | 杭州新汉杰科技有限公司 | Computer machine case hoist and mount stall self-locking mechanism |
| CN111839095A (en) * | 2020-07-21 | 2020-10-30 | 浙江砚童家具有限公司 | Child bed anti-falling device based on light sensation control |
| CN111883967A (en) * | 2020-07-31 | 2020-11-03 | 杭州庚复科技有限公司 | Computer USB flash disk plug device based on current variant |
| CN111990804A (en) * | 2020-08-31 | 2020-11-27 | 广州万富电子商务有限公司 | Emergent auxiliary device of express delivery cabinet based on balance principle |
-
2020
- 2020-12-03 CN CN202011413102.8A patent/CN112774215A/en not_active Withdrawn
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203060823U (en) * | 2012-12-27 | 2013-07-17 | 廖华波 | Toy car made of wood |
| CN207928721U (en) * | 2018-02-23 | 2018-10-02 | 江西粤华实业有限公司 | A kind of New children toy vehicle |
| CN210251202U (en) * | 2019-05-14 | 2020-04-07 | 江西昇迪科技股份有限公司 | Toy car with good shock absorption performance |
| CN111692248A (en) * | 2020-06-22 | 2020-09-22 | 浙江火萌互娱信息技术有限公司 | Stall braking device for transmission shaft of electric wheelchair |
| CN111839095A (en) * | 2020-07-21 | 2020-10-30 | 浙江砚童家具有限公司 | Child bed anti-falling device based on light sensation control |
| CN111807230A (en) * | 2020-07-27 | 2020-10-23 | 杭州新汉杰科技有限公司 | Computer machine case hoist and mount stall self-locking mechanism |
| CN111883967A (en) * | 2020-07-31 | 2020-11-03 | 杭州庚复科技有限公司 | Computer USB flash disk plug device based on current variant |
| CN111990804A (en) * | 2020-08-31 | 2020-11-27 | 广州万富电子商务有限公司 | Emergent auxiliary device of express delivery cabinet based on balance principle |
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Application publication date: 20210511 |