CN210455213U - Inflatable type locking-unlocking mechanism with compact structure and capable of imitating dandelion seeds - Google Patents

Inflatable type locking-unlocking mechanism with compact structure and capable of imitating dandelion seeds Download PDF

Info

Publication number
CN210455213U
CN210455213U CN201921013555.4U CN201921013555U CN210455213U CN 210455213 U CN210455213 U CN 210455213U CN 201921013555 U CN201921013555 U CN 201921013555U CN 210455213 U CN210455213 U CN 210455213U
Authority
CN
China
Prior art keywords
firing pin
locking
base
carbon dioxide
dandelion
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.)
Expired - Fee Related
Application number
CN201921013555.4U
Other languages
Chinese (zh)
Inventor
王立新
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hebei University of Science and Technology
Original Assignee
Hebei University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hebei University of Science and Technology filed Critical Hebei University of Science and Technology
Priority to CN201921013555.4U priority Critical patent/CN210455213U/en
Application granted granted Critical
Publication of CN210455213U publication Critical patent/CN210455213U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Landscapes

  • Filling Or Discharging Of Gas Storage Vessels (AREA)

Abstract

The utility model discloses a compact structure's imitative dandelion seed inflatable closure-locking mechanism that takes off, this mechanism draws the design inspiration in the aspect of the morphological structure characteristic of dandelion seed, specifically include put in the device base and put in the cylindrical device casing of putting in of placing on the device base, put in device casing upper end and seal through the rubber pad of indent, the interior concave surface distribution of rubber pad has the information collector who locks with it and bears the device, put in the inside compressed carbon dioxide air supply that sets up of device casing, compressed carbon dioxide air supply below, put in device base center and place the firing pin subassembly, the firing pin subassembly is connected with the motor that sets up in put in device base lower surface. The mechanism can realize long-term and lasting firm locking and light and easy unlocking and locking according to requirements, and has the characteristics of basically not consuming energy when unlocking, lasting locking, light and easy unlocking and locking, compact structure, small overall volume and the like.

Description

Inflatable type locking-unlocking mechanism with compact structure and capable of imitating dandelion seeds
Technical Field
The utility model belongs to the technical field of mechanical locking device, especially, relate to a compact structure, closure-take off locking consume little, be fit for bearing and carrying information acquisition device's mechanical closure-take off locking device.
Background
The mechanical locking device is widely applied in the technical field of mechanical engineering, can simply and conveniently realize firm combination and separation between mechanical parts, and has longer service life and lasting efficacy. At present, the locking function of the mechanical locking device is realized by the mutual matching of similar keys and key slot mechanical structures, or by the mutual hooking of mechanical parts, or by the pressing of an elastic element on the matched mechanical structure. Bionics can bring many design thoughts, and the matrix (the inflorescence head) forms the appearance structure that evades outward after the dandelion seed is ripe so that dandelion seed lean fruit bottom can break away from rather than guaranteeing the diffusion easily, relies on through windage resistance and can form typical lever effect and impel its and the inflorescence head to break away from easily. The design inspiration is drawn from the aspect of the morphological structure characteristics of dandelion seeds, and the dandelion seed is used in combination with an unmanned aerial vehicle to finish the information and information acquisition of the nuclear radiation area, the fire scene, the earthquake scene, the war scene, and the natural zones which are difficult to be involved by human beings such as the original forest, the unmanned sea island, the mountain and mountain ridge, the desert abdominal land and the like.
The invention patent CN109353523A discloses an unmanned aerial vehicle locking-unlocking-locking releasing device, wherein a winch is arranged at the bottom of an unmanned aerial vehicle body, a steel wire rope is wound on the winch, the winch is connected with a winch driving mechanism, a wireless charging coil and a wireless receiving coil are arranged below the winch, a limit switch is arranged between the wireless charging coil and the wireless receiving coil, the bottom of the steel wire rope is connected with the wireless charging coil, and a cargo throwing mechanism capable of being opened and closed is arranged below the wireless receiving coil; the invention patent CN207956066U discloses an external hanging type locking dispenser and an unmanned aerial vehicle, wherein the external hanging type unmanned dispenser comprises a dispenser body and a control device, the dispenser body comprises an installation frame and a steering engine, a wire-off hook and a pull rod are arranged on the installation frame, and the pull rod penetrates through a U-shaped groove of the wire-off hook and is connected with a mechanical arm of the steering engine; the control device is fixedly connected with the mounting rack and comprises a lamplight induction sensor, a controller and a power supply, the lamplight induction sensor and the power supply are connected with the controller, and the output end of the controller is connected with the steering engine.
The fixing of the mechanical device for controllable locking and unlocking of the bearing and transmission information acquisition device is mostly realized by the combination of a conveyor belt and a convex part, the matching of a four-bar mechanism or a spiral rod and a U-shaped part, and the matching of a revolute pair and a bearing plate. Although the information acquisition device can be effectively fixed and put in, the putting in process not only needs a large amount of energy to provide external force to unlock, but also needs a complex control structure and a system to operate, and the structure is complicated, and the volume and the mass are large. Can not be suitable for the application requirement of some unmanned aerial vehicle input device technical field. Therefore, there is a need to develop a novel locking-unlocking device, which can be used for long-term and durable firm locking and can be easily unlocked, and has the characteristics of compact structure, small mass and volume, low energy consumption for locking-unlocking, suitability for bearing multiple structure types of information collectors and simple control structure and system of a releasing device, and the like.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to provide an imitative dandelion seed inflatable closure-off lock mechanism of compact structure, can realize the firm closure of permanent persistent effect and easily take off the closure as required, have basically not need energy consumption when taking off the closure, the closure is lasting and can easily take off characteristics such as closure and the whole small of compact structure.
In order to solve the technical problem, the utility model discloses the technical scheme who takes is: the utility model provides a compact structure's imitative dandelion seed inflatable closure-takes off locking mechanism which characterized in that includes puts in device base and puts in the cylindrical device casing of putting in on the device base, put in device casing upper end and seal through the rubber pad of indent, the concave surface distribution of rubber pad has the information collector bearing device of locking with it, puts in and sets up the compressed carbon dioxide air supply in the device casing, and the firing pin subassembly is placed to compressed carbon dioxide air supply below, putting in device base center, and the firing pin subassembly is connected with the motor that sets up in putting in device base lower surface.
According to the scheme, the information collector bearing device is locked with the rubber pad which contracts in the uninflated inwards concave state, the striker assembly is controlled by the motor, the compressed carbon dioxide gas source can be punctured under the action of a trigger signal, the whole throwing device shell is rapidly filled with the compressed carbon dioxide gas in the gas source, the rubber pad reaches the outwards convex state after being filled with the carbon dioxide gas, at the moment, the mounting hole in the rubber pad is expanded and amplified under the action of rubber ductility, the information collector bearing device and the rubber pad can be easily unlocked, the information collector bearing device is released, and quick unlocking is achieved.
The technical scheme is further limited or supplemented, the information collector bearing device is of a fusiform structure with two small ends and a large middle part, information collector mounting grooves are distributed in the information collector bearing device, a positioning magnet is fixed at one end of the information collector bearing device, a conical positioning circular truncated cone base is arranged at the other end of the information collector bearing device, and the positioning circular truncated cone base is hooked and matched with a conical hole in the rubber pad to form stable locking connection.
The technical scheme is further limited or supplemented, the firing pin assembly comprises a firing pin head and a firing pin rod, wherein the firing pin head is fixed at the upper end of the firing pin rod, a sealing rubber gasket is arranged at the middle part of the firing pin rod, a rectangular clamping block at the lower end of the firing pin rod is clamped with a clamping groove, a compressed spring is arranged between the sealing rubber gasket and the clamping groove, the clamping groove is fixed in a central hole of a base of the throwing device, and the motor drives the firing pin rod to rotate. The function of the firing pin assembly 6 is to realize that the firing pin head breaks through the film of the compressed carbon dioxide gas source under a given trigger signal through the elastic force of the spring, so that the gas in the compressed carbon dioxide gas source enters the shell of the throwing device.
The scheme is further limited or supplemented, the top of the firing pin head is provided with four grooves, and a larger tearing opening can be easily formed at the top film of the compressed carbon dioxide gas source when the firing pin is released under the action of the spring, so that the compressed carbon dioxide gas is conveniently released.
The technical scheme is further limited or supplemented, the compressed carbon dioxide gas source is fixed on the vent valve body, the bottom of the compressed carbon dioxide gas source is provided with a film which is easy to puncture, the interior of the vent valve body contains the striker head and the striker rod, and the inner wall of the vent valve body is contacted with the sealing rubber gasket.
The device is characterized in that the scheme is further limited or supplemented, four stepped grooves are formed in the base of the releasing device at intervals of 90 degrees, mounting threads matched with the shell of the releasing device are arranged at the top of the base of the releasing device, and a layer of sealing rubber is arranged on the contact surface of the base of the releasing device and the clamping groove.
Adopt the produced beneficial effect of above-mentioned technical scheme to lie in:
(1) in the utility model, the inflatable locking-unlocking mechanism imitating dandelion seeds can be fixed on the unmanned aerial vehicle for long time and persistently, and has the characteristics of no energy consumption, lasting locking, compact structure, small overall volume and the like when unlocking;
(2) the utility model provides a closure-take off locking mechanism, closure-take off the required energy of closure and do not have the consumption of energy basically at a short time, only need the motor to rotate 90 can accomplish to aerify and make information acquisition device take off the closure, be particularly suitable for all kinds of unmanned aerial vehicle to carry on the transportation, put in scene of fire, earthquake scene, war scene, nuclear radiation area to and original forest, high mountain and steep mountain, the desert abdominal land etc. mankind are difficult to involve in the nature area, accomplish the information collection to the target area.
(3) The locking-unlocking mechanism of the utility model has the advantages that the mounting hole of the spherical rubber base of the information collector bearing device is in a shrinkage state under the concave state and can firmly lock the information collector under the action of the positioning magnet; after the information acquisition device reaches a target area, the spherical rubber base is inflated by applying a trigger signal, the spherical rubber base is changed into a convex state, so that the mounting hole is expanded, the positioning magnets are separated from each other, the information acquisition device is easily unlocked, and the long-term and lasting firm locking and the easy unlocking can be realized according to the requirement.
Drawings
Fig. 1 is a schematic view of the overall structure of the utility model in an unfired state;
fig. 2 is a schematic structural view of a bearing device of the information collector of the present invention;
FIG. 3 is a schematic view of the striker assembly and air supply of the present invention;
FIG. 4 is a schematic view of the overall structure of the utility model in a triggered inflation state;
fig. 5 is a schematic structural view of a base of the dropping device of the present invention;
wherein: 1-1, an information collector bearing device; 1-1-1, an information collector mounting groove; 1-1-2, positioning a circular truncated cone base; 1-2, positioning a magnet; 2-1, a rubber pad; 2-2, putting in a device shell; 3-1, compressing a carbon dioxide gas source; 3-2, a vent valve body; 4-1, putting in a device base; 4-1-1, mounting threads; 4-1-2, through holes; 4-1-3, step groove; 4-2, a clamping groove; 5. a motor; 6-1, knocking the needle head; 6-2, sealing a rubber gasket; 6-3, a plunger; 6-4 and a spring.
Detailed Description
Before the dandelion seeds are mature, the dandelion seeds can be firmly combined with an inwards concave parent body (inflorescence head) to ensure normal growth, but after the dandelion seeds are mature, the parent body (inflorescence head) forms an outwards convex shape structure, so that the dandelion seed lean fruit bottom can be easily separated from the dandelion seed lean fruit bottom to ensure diffusion, and the dandelion seeds can obtain wind resistance by means of a thin rod structure and can form a typical lever effect to facilitate the dandelion seeds to be easily separated from the inflorescence head. Based on bear with carry the problem that the mechanical device prior art of the controllable closure-locking of taking off of information collection station exists, draw the design inspiration in the aspect of the appearance structural feature of dandelion seed, the utility model discloses a compact structure's inflatable closure-locking mechanism of taking off of imitative dandelion seed has been developed.
The following describes in detail the working process of the compact inflatable dandelion seed-imitated locking-unlocking mechanism of the present invention with reference to the accompanying drawings.
As can be seen from the attached figure 1, the inflatable dandelion seed imitating locking-unlocking mechanism with compact structure comprises an information collector bearing device 1-1, a throwing device shell 2-2, a compressed carbon dioxide gas source 3-1, a throwing device base 4-1, a motor 5, a firing pin component and the like; the information collector bearing device 1-1 is locked with the rubber pad 2-1 through the positioning magnet 1-2 and the mounting hole which contracts in the uninflated inwards concave state; and the controllable firing pin component can puncture a film at the top of the air source 3-1 under the action of a trigger signal, so that compressed carbon dioxide gas in the air source can quickly fill the whole throwing device shell 2-2, the rubber pad 2-1 reaches a convex state after being filled with the carbon dioxide gas, at the moment, the mounting hole on the rubber pad is expanded and amplified under the action of rubber ductility, the information collector bearing device 1-1 and the rubber pad 2-1 are stably locked or easily unlocked, and the information collector bearing device is released. Make the utility model discloses the closure that can last effect is fixed on unmanned aerial vehicle, and still can take off the closure easily and put in, do not need the energy consumption basically when having the off-lock, the closure is lasting and can easily take off the closure and the whole characteristics such as small of compact structure, be particularly suitable for all kinds of unmanned aerial vehicles to carry on the transportation, put in the scene of a fire, the earthquake scene, the scene of war, nuclear radiation area, and original forest, high mountain and steep mountain, the desert abdominal land etc. mankind is difficult to involve in the natural zone, accomplish the information collection to the target area.
As shown in attached figures 1 and 2, the structural design inspiration of the information collector bearing device 1-1 is derived from the shape structure of dandelion seeds (thinned fruits), the shapes of the dandelion seeds (thinned fruits) are similar to two circular truncated cones which are spliced, and the lower parts of the dandelion seeds (thinned fruits) are fixedly connected with the inflorescence heads; the information collector carrier 1 is thus arranged as shown in fig. 1.
The information collector bearing device 1-1 is made of aluminum alloy with the height of 50.0mm, the positioning magnets are arranged at the top of the information collector bearing device and can be mutually attracted and locked, and the whole bearing device can be seen as formed by splicing inverted round tables with the upper part of 8.0mm in diameter and the lower part of 25.0mm in diameter, and the lower part of 25.0mm in diameter. 3 information acquisition device mounting grooves 1-1-1 are arranged in the middle of the information acquisition device bearing device 1-1 at intervals of 120 degrees and used for carrying information acquisition devices; the bottom of the information collector bearing device 1-1 is provided with a positioning circular truncated cone base 1-1-2 with the diameter of the lower bottom of 23.0mm, so that the information collector bearing device 1-1 is stably locked with a mounting hole of a rubber pad 2-1 with the thickness of 6.0mm, and the information collector carrying device is stably locked during transportation of the unmanned aerial vehicle.
As shown in fig. 1 and fig. 3, the function of the striker assembly is to realize that the striker head 6-1 breaks through the membrane of the compressed carbon dioxide gas source 3-1 under a given trigger signal through the action of the spring force, so that the gas in the compressed carbon dioxide gas source enters the housing 2-2 of the dispensing device through the gas passage on the vent valve body 3-2. The air source is a compressed carbon dioxide air source, the internal pressure is 2.0MPa, the top of the compressed carbon dioxide air source 3-1 is provided with a film which is easy to puncture, a screw thread is arranged at the bottle opening of the top air source, so that the installation and the matching of the top air source and the vent valve body 3-2 are convenient, and the sealing performance when the compressed carbon dioxide is released is ensured; the four grooves are formed in the top of the striker head 6-1 with the length of 20.0mm, so that a larger tearing opening can be easily formed in the top film of the compressed carbon dioxide gas source 3-1 when the striker is released under the action of the spring, and the release of the compressed carbon dioxide gas is facilitated; the tail part of the striker head is provided with an internal thread hole for installing and matching with the external thread at the top of the striker rod 6-3, thereby greatly facilitating the processing, installation and adjustment of the striker assembly. A rectangular fixture block is arranged at the tail of the impact rod 6-3 and can be hooked with the clamping groove 4-2 to achieve locking, and the spring 6-4 is arranged between the rectangular fixture block and the boss and is in a pre-tightening compression state under the action of the clamping groove 4-2; the tail part of the motor 5 is provided with a rectangular bulge which can be matched with a rectangular groove at the tail part of the impact rod so as to prevent the motor 5 from generating relative offset with the impact rod when rotating, when the motor 5 rotates by 90 degrees, the rectangular fixture block is popped out from the clamping groove 4-2 under the elastic force action of the spring 6-4, and the impact needle breaks through a compressed carbon dioxide gas source so that the carbon dioxide gas enters and fills the shell 2-2 of the throwing device through a circular channel arranged on the side wall of the air valve body 3-2; and a 10.0mm sealing rubber gasket 6-2 arranged on the striker can be tightly matched with a circular step groove at the vent valve body 3-2, so that the tightness of the valve body 3-2 after the striker assembly punctures a compressed carbon dioxide gas source is ensured.
As shown in the attached figures 1 and 4, after the motor 5 rotates by 90 degrees, the impact assembly breaks through a compressed carbon dioxide gas source under the action of the spring 6-4, so that the rubber pad 2-1 is changed from a concave state to a convex state. The top of the information collector bearing device 1-1 is provided with a positioning magnet 1-2 which is used for positioning the information collector bearing device 1-1 and plays a certain role in fixing; 4 circular truncated cone-shaped grooves with the diameter of 23.0mm are arranged on the rubber pad 2-1 at intervals of 90 degrees, and the upper part of the rubber pad is a circular opening with the diameter of 20.0mm in an uninflated inwards concave state, so that the rubber pad can be easily and firmly combined with the positioning circular truncated cone base 1-1-2 of the information collector bearing device 1-1; after the unmanned aerial vehicle is inflated, the rubber pad 2-1 becomes in an outward convex state, at the moment, 4 tightened circular truncated cone-shaped grooves are changed into an expanded state under the action of rubber ductility, the upper part of each circular opening is 24.0mm, the positioning magnets 1-2 at the top of the information collector bearing device 1-1 are separated from each other, the information collector bearing device 1-1 can be easily separated from the rubber pad 2-1 under the action of wind power, and the unmanned aerial vehicle can throw in the information collector.
As shown in the attached drawings 1 and 5, four 20.0mm stepped grooves 4-1-3 are formed in a throwing device base 4-1 at intervals of 90 degrees and used for assembling bolts so as to be firmly installed on an unmanned aerial vehicle; the top is provided with a mounting thread 4-1-1 which can be firmly matched with the shell 2-2 of the feeding device and ensure the air tightness of the feeding device, thereby preventing the leakage of the compressed carbon dioxide gas after entering; the middle of the bracket is provided with a circular through hole 4-1-2 with the length of 55.0mm and the diameter of 40.0mm, so that the assembly and disassembly of each component can be facilitated; a layer of sealing rubber is arranged on the periphery of the clamping groove 4-2, and the sealing rubber can be tightly and firmly arranged in the through hole to ensure air tightness and firm combination of components.

Claims (5)

1. An inflatable closure-release closure mechanism of dandelion-like seeds with a compact structure is characterized by comprising a base (4-1) of a release device and a cylindrical shell (2-2) of the release device, wherein the cylindrical shell (2-2) of the release device is arranged on the base (4-1) of the release device, the upper end of the shell (2-2) of the release device is sealed by an inwards concave rubber pad (2-1), an information collector bearing device (1-1) which is locked with the rubber pad (2-1) is distributed on the inwards concave surface of the rubber pad (2-1), the information collector bearing device (1-1) is of a spindle-shaped structure with two small ends and a large middle part, an information collector mounting groove (1-1-1) is distributed in the middle of the information collector bearing device (1-1), and a positioning magnet (1-2) is, the other end of the positioning circular truncated cone is provided with a conical positioning circular truncated cone base (1-1-2), and the positioning circular truncated cone base (1-1-2) is matched with a conical hole in the rubber pad (2-1) in a hooking manner to form stable locking connection; a compressed carbon dioxide gas source (3-1) is arranged in the throwing device shell (2-2), a firing pin assembly is arranged below the compressed carbon dioxide gas source (3-1) and in the center of the throwing device base (4-1), and the firing pin assembly is connected with a motor (5) arranged on the lower surface of the throwing device base (4-1).
2. The compact inflatable dandelion seed-like locking-unlocking mechanism according to claim 1, wherein the firing pin assembly comprises a firing pin head (6-1) and a firing pin rod (6-3), wherein the firing pin head (6-1) is fixed at the upper end of the firing pin rod (6-3), a sealing rubber gasket (6-2) is arranged in the middle of the firing pin rod (6-3), a rectangular clamping block at the lower end of the firing pin rod (6-3) is clamped with a clamping groove (4-2), a compressed spring (6-4) is arranged between the sealing rubber gasket (6-2) and the clamping groove (4-2), the clamping groove (4-2) is fixed in the central hole of the base (4-1) of the releasing device, and the motor (5) drives the firing pin rod (6-3) to rotate.
3. The compact structure of the dandelion-like seed inflatable locking-unlocking mechanism according to claim 2, wherein four grooves are opened on the top of the needle (6-1).
4. The compact inflatable dandelion seed-like locking-unlocking mechanism according to claim 2, wherein said compressed carbon dioxide source (3-1) is fixed on the vent valve body (3-2), the bottom of the compressed carbon dioxide source (3-1) is provided with a pierceable membrane, the vent valve body (3-2) accommodates said striker head (6-1) and striker rod (6-3), and the inner wall of the vent valve body is in contact with said sealing rubber gasket (6-2).
5. The compact-structure dandelion seed-imitated inflatable locking-unlocking mechanism according to claim 2, characterized in that four stepped grooves (4-1-3) are arranged on the base (4-1) of the throwing device at intervals of 90 degrees, the top is provided with mounting threads (4-1-1) matched with the shell (2-2) of the throwing device, and the contact surface of the base (4-1) of the throwing device and the clamping groove (4-2) is provided with a layer of sealing rubber.
CN201921013555.4U 2019-07-02 2019-07-02 Inflatable type locking-unlocking mechanism with compact structure and capable of imitating dandelion seeds Expired - Fee Related CN210455213U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201921013555.4U CN210455213U (en) 2019-07-02 2019-07-02 Inflatable type locking-unlocking mechanism with compact structure and capable of imitating dandelion seeds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201921013555.4U CN210455213U (en) 2019-07-02 2019-07-02 Inflatable type locking-unlocking mechanism with compact structure and capable of imitating dandelion seeds

Publications (1)

Publication Number Publication Date
CN210455213U true CN210455213U (en) 2020-05-05

Family

ID=70443146

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201921013555.4U Expired - Fee Related CN210455213U (en) 2019-07-02 2019-07-02 Inflatable type locking-unlocking mechanism with compact structure and capable of imitating dandelion seeds

Country Status (1)

Country Link
CN (1) CN210455213U (en)

Similar Documents

Publication Publication Date Title
US7513481B2 (en) One way valve
CN210455213U (en) Inflatable type locking-unlocking mechanism with compact structure and capable of imitating dandelion seeds
CN110155333B (en) Inflatable locking-unlocking mechanism imitating dandelion seeds
KR102323619B1 (en) Throwing Safety Tripod Structure
GB2029941A (en) Payload cover element
CN202935309U (en) Elastic window breaker
CN208065778U (en) The timing ejection parachute device and this kind of water rocket of water rocket
CN106347605A (en) Automatic fast gas releasing device for miniature gas cylinder
CN2641584Y (en) Compressed air powered rocket device
CN204514183U (en) Filling lacrimation ejector can be repeated
CN216783904U (en) Satellite derailment release device
CN212861305U (en) Decorative strip assembly under B column of automobile
CN208505128U (en) A kind of firecracker simulator
CN215164934U (en) Safety road cone with remote warning function
CN201636522U (en) Pinhole-free sealed gas storage cylinder and fireworks thereof
CN206147343U (en) Watch beat shines unmanned aerial vehicle and control system thereof
CN214112193U (en) Locking protection device for tire burst emergency device
CN109139648B (en) Controllable locking-unlocking mechanical device for imitation dandelion seeds
CN2359686Y (en) Alarm sensor for tyre underpressure
CN209585893U (en) A kind of bicycle lock and bicycle
CN216649796U (en) High-sensitivity camera anti-theft shell
CN218728113U (en) Hydrogen balloon protection device
CN2263210Y (en) Miniature inflator
CN221035185U (en) Rotary balloon gas storage device and balloon
US12011625B2 (en) Fire extinguishing capsule

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200505

Termination date: 20210702

CF01 Termination of patent right due to non-payment of annual fee