CN112826251B

CN112826251B - Fragile article protection device

Info

Publication number: CN112826251B
Application number: CN202110303671.5A
Authority: CN
Inventors: 韩文华
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2022-07-15
Anticipated expiration: 2041-03-22
Also published as: CN112826251A

Abstract

The invention belongs to the technical field of household glass and ceramic product protection devices, and particularly relates to a fragile product protection device which comprises a protection base station, a locking component, a net bag component and an ejection component; the pocket net is cylindrical when unfolded and can be folded and stored in the protection base station, the lower part of the pocket net is connected with the protection base station, and the upper part of the pocket net is connected with the ejection cover and can be ejected together with the ejection cover; the pull rope body comprises a ring sleeve section and a traction section, the ring sleeve section is in a rope sleeve shape and is located on the upper portion of the pocket net and can be bounced together with the ejection cover, and the two ends of the traction section are respectively connected with the ring sleeve section and the protection base station. The problem of prior art can't be unable to carry out the fragile article protection in the stage that the fragile article is about to overturn is solved, adopts the structural design of mechanical linkage, utilizes the fragile article to overturn in-process position and the characteristics that the focus position changes to trigger and utilize the ejection mechanism to launch the pocket net to in the twinkling of an eye that fragile antique or handicraft are about to overturn, utilize the string bag to carry out the cladding protection.

Description

Fragile article protection device

Technical Field

The invention belongs to the technical field of household glass and ceramic product protection devices, and particularly relates to a fragile product protection device.

Background

Along with the improvement of standard of living, people also are more and more high to the living decoration requirement, more and more people often can put goods of furniture such as glass handicraft and ceramic or antique at being, but these collection often are on the simple supporter of putting, all probably take place to rock when the supporter plays or the condition that touches carelessly, and rock the in-process at the supporter and probably rock the glass handicraft of putting on the supporter, ceramic or fragile antique, can cause very big economic loss, the safety of the person also can be endangered to its damaged residue.

Therefore, how to protect the fragile articles in the houses becomes a considerable problem, the scheme adopted in the current market generally adopts a stable article placing rack or a mode of fixing the article placing rack on the ground to carry out indirect fragile article protection, namely, the mode of prevention is adopted to prevent the article placing rack from shaking, and after the article placing rack cannot shake, the fragile articles are protected when being about to overturn.

Disclosure of Invention

In order to solve the problem that prior art can't be about to overturn the stage of fragile article and can't carry out the protection of fragile article, this scheme provides a fragile article protection device, adopts the structural design of mechanical linkage, utilizes the fragile article to overturn the characteristics that in-process position and focus position change and trigger and utilize the ejection mechanism to launch the pocket net to in the twinkling of an eye that fragile antique or handicraft are about to overturn, utilize the string bag to carry out the cladding protection.

The technical scheme adopted by the invention is as follows:

a fragile product protection device comprises a protection base station, a lock catch component, a net bag component and an ejection component; a placing groove position for placing fragile products is arranged in the middle of the upper end surface of the protection base platform, and a plurality of raised supporting ridges are annularly distributed in the placing groove position; a square or annular ejection cover is arranged at the peripheral edge of the protection base station, and the ejection cover is detachably connected with the protection base station and is locked in position by a lock assembly; the ejection assembly is arranged on the protective base station, and can upwards eject the ejection cover when the position of the ejection cover is unlocked by the locking assembly; the locking assembly is arranged on the protection base station and can be pushed and triggered by downward displacement of the bottom edge when the fragile product deflects so as to unlock the ejection cover; the tuck net component comprises a tuck net and a pull rope body, the tuck net is cylindrical when unfolded and can be folded and stored in the protective base station, the lower part of the tuck net is connected with the protective base station, and the upper part of the tuck net is connected with the ejection cover and can be ejected together with the ejection cover; the pull rope body comprises a ring sleeve section and a traction section, the ring sleeve section is in a rope sleeve shape and is positioned at the upper part of the pocket net and can be bounced together with the ejection cover, and the two ends of the traction section are respectively connected with the ring sleeve section and the protective base station; when the ring sleeve section is bounced and the traction section is straightened, the traction section can pull the ring sleeve section to fold inwards and tighten the upper end of the net bag.

Optionally: a net bag groove, a rope pulling groove and an ejection groove are arranged at the edge of the protection base station; the string bag groove is used for accomodating the pocket net, and the stay cord groove is used for accomodating the section of pulling of stay cord body, launches the subassembly and sets up in launching the inslot.

Optionally: the left side edge and the right side edge of the protection base station are provided with ejection grooves, the two ejection grooves are respectively provided with ejection components, and the two ejection components have different elastic potential energy in a compressed state and can enable the ejection cover to eject in an inclined direction.

Optionally: the ejection assembly is of an elastic sheet type structure and comprises an ejection seat, an elastic arm and an adjusting screw rod; the ejection seat is positioned at the bottom of the ejection groove and is connected with the adjusting screw rod, the elastic arm is connected to the ejection seat and used for accumulating elastic potential energy, and the adjusting screw rod is connected to the bottom wall of the ejection groove and used for adjusting the height position of the ejection seat.

Optionally: when the elastic arm releases elastic potential energy, the elastic arm rises vertically to bounce the ejection cover, and the edge of the elastic arm is straight to prevent the elastic arm from being hung on the pocket net.

Optionally: the lock catch assembly comprises a linkage sleeve, a plurality of clamping lock catches and a plurality of trigger rods, the clamping lock catches are all arranged on the protection base station and used for clamping four edges of the ejection cover, all the trigger rods are distributed in star shapes in the placement groove, and one end of each trigger rod is rotatably connected to the protection base station; any one trigger rod can drive the linkage sleeve to move, and the linkage sleeve is linked with all the clamping buckles, so that the clamping buckles on the four edges of the ejection cover can be controlled to simultaneously release position locking when the linkage sleeve moves.

Optionally: the clamping lock catch is V-shaped, an arc-shaped surface is arranged at the inner side of one side arm of the clamping lock catch, and the circle center of the arc-shaped surface is superposed with the rotating fulcrum of the corresponding trigger rod; an unlocking notch is arranged below the arc-shaped surface, and when one end of the trigger rod, which is far away from the rotating fulcrum of the trigger rod, is abutted against the arc-shaped surface and slides downwards along the arc-shaped surface, the clamping lock catch always locks the position of the ejection cover; when one end of the trigger lever, which is far away from the rotating fulcrum of the trigger lever, slides downwards along the arc-shaped surface to the unlocking notch, the clamping lock catch unlocks the ejection cover.

Optionally: and a linkage rope and a linkage spring are correspondingly arranged between the linkage sleeve and each clamping lock catch, and the linkage rope and the linkage spring enable the linkage sleeve to be linked with the corresponding clamping lock catch.

Optionally: the end of the trigger rod far away from the rotating fulcrum is provided with a contact piece, the contact piece is rotatably connected with the trigger rod, and a torsion spring is arranged between the contact piece and the trigger rod.

Optionally: the string bag subassembly still includes grip block and lower grip block, goes up rotatable being connected to of one side of grip block and launches the lid, goes up the rotatable grip block of connecting of opposite side of grip block, and the loop section of stay cord body is by last grip block and grip block centre gripping down, and the pull section of stay cord body passes grip block, last grip block or launches the lid down.

The invention has the beneficial effects that:

1. the problem that the fragile article cannot be protected in the stage that the fragile article is about to overturn in the prior art is solved, the mechanical linkage structural design is adopted, the characteristic that the position and the gravity center position of the fragile article are changed in the overturning process is utilized for triggering, and the pocket net is ejected by an ejection mechanism, so that the pocket net is used for wrapping protection at the moment that the fragile antique or the handicraft is about to overturn;

2. the trigger lever of latch mechanism adopts the mounting means of lever in this scheme, and the linkage cover makes every screens hasp can both be in step by the unblock simultaneously to make launch the lid and can be bounced simultaneously, thereby guarantee this protection device's reliability.

Drawings

In order to clearly illustrate the embodiment of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiment or the prior art will be briefly introduced below, the drawings in the description are only a part of the implementation structure diagram of the design point of the application of the present invention, and other drawings can be obtained by those skilled in the art according to the drawings described below without creative efforts.

FIG. 1 is a perspective structural view of the fragile protection device in this embodiment;

FIG. 2 is a top view of the frangible article protection device of the present solution;

FIG. 3 is a structural view of a net bag assembly;

FIG. 4 is a block diagram of the ejection assembly;

FIG. 5 is a detail view of the locking latch;

FIG. 6 is a diagram of the frangible protection device in the solution after it has sprung;

FIG. 7 is a block diagram of detail A of FIG. 2; .

In the figure: 1-protecting the abutment; 11-a central station; 12-placing the slot position; 13-supporting the supporting edge; 14-a string bag groove; 15-rope pulling groove; 16-an ejection slot; 2-a string bag component; 21-upper clamping plate; 22-a rope body; 23-a ring section; 24-a traction section; 25-tucking net; 26-a lower clamping plate; 3-a stabilizing mechanism; 31-a fixed magnet; 32-track rod; 33-a magnetic stopper; 34-a rod hole; 35-a rod sleeve; 4-a latch assembly; 41-a trigger lever; 42-contact piece; 43-central vertical axis; 44-a linkage sleeve; 45-a first guide wheel; 46-a linkage rope; 47-a second guide wheel; 48-clamping lock catches; 481-arm shaft portion; 482-an arcuate surface; 483-unlocking the notch; 484-clamping teeth; 49-a linkage spring; 5-ejection assembly; 51-an ejection seat; 52-elastic arm; 53-adjusting the screw; 54-ejection of the lid.

Detailed Description

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be briefly described below with reference to the accompanying drawings and the description of the embodiments or the prior art, wherein the following description of the structure of the drawings is only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts.

The technical solution provided by the present invention will be described in detail by way of embodiments with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, and the present invention is not limited thereto.

In some instances, some embodiments are not described or not in detail, as they are conventional or customary in the art.

Furthermore, the technical features described herein, or the steps of all methods or processes disclosed, may be combined in any suitable manner in one or more embodiments, in addition to the mutually exclusive features and/or steps. It will be readily understood by those of skill in the art that the order of the steps or operations of the methods described in connection with the embodiments provided herein may be varied. Any order in the drawings and examples is for illustrative purposes only and does not imply that a certain order is required unless explicitly stated to be required.

The ordinal numbers used herein for the components, such as "first," "second," etc., are used merely to distinguish between the objects described, and do not have any sequential or technical meaning. The terms "connected" and "coupled" when used in this application, encompass both direct and indirect connections, and also include both direct and indirect connections, where appropriate and without making any inconsistency.

Example 1

As shown in fig. 1 to 6, the present embodiment designs a fragile article protection device, which comprises a protection base 1, a latch assembly 4, a string bag assembly 2 and an ejection assembly 5. This embodiment takes a round-bottomed vase as an example.

As shown in fig. 1, the protection base station 1 is in a square table shape, a placing slot 12 for placing a vase is arranged in the middle of the upper end surface of the protection base station 1, and a plurality of raised supporting ridges 13 are annularly distributed in the placing slot 12; a square or ring-shaped ejection cover 54 is provided on the periphery of the protective base 1, and the ejection cover 54 is detachably connected to the protective base 1 and is locked in position by the locking assembly 4. In the structure, the height of the placing groove 12 is lower than that of the upper end face of the protection base station 1 and is used for stabilizing the bottom of a fragile product, the supporting ridges 13 in the placing groove 12 are mainly used for supporting the bottom of a vase, a fan-shaped groove is also arranged between the adjacent supporting ridges 13, the trigger rod 41 of the locking component 4 is arranged at the fan-shaped groove, and when the vase shakes and inclines, the lower edge of the vase can incline and extends into the fan-shaped groove; and the trigger rod 41 is driven to move downwards by the self gravity of the vase, so that the locking and buckling component 4 can be triggered to unlock the ejection cover 54.

A net bag groove 14, a rope pulling groove 15 and an ejection groove 16 are arranged at the edge of the protection base station 1; the tuck net groove 14 is used for accommodating a tuck net 25, the rope pulling groove 15 is used for accommodating a traction section 24 of the rope pulling body 22, and the ejection assembly 5 is arranged in the ejection groove 16.

The left edge and the right edge of the protective base platform 1 are both provided with ejection grooves 16, the two ejection grooves 16 are respectively provided with ejection components 5, and the two ejection components 5 have different elastic potential energy when in a compressed state and can make the ejection cover 54 eject in an inclined direction.

The pocket net 25 and the stay cord body 22 that the string bag subassembly 2 includes, in this pocket net 25 is the tube-shape and can fold when expanding and accomodate the protection base station 1, the protection base station 1 is connected to the lower part of pocket net 25, and the ejection lid 54 is connected and can be followed ejection lid 54 and upspring together in the upper portion of pocket net 25. When the ejection cover 54 is ejected by the ejection assembly 5, the tuck net 25 can be lifted along with the ejection cover 54 and covered outside the vase, as shown in fig. 6.

The pull rope body 22 comprises a ring sleeve section 23 and a traction section 24, the ring sleeve section 23 is in a rope sleeve shape and is positioned at the upper part of the pocket net 25, the ring sleeve section 23 is in a rope sleeve shape and can be bounced together with the ejection cover 54, and two ends of the traction section 24 are respectively connected with the ring sleeve section 23 and the protective base station 1; when the loop section 23 is bounced and the traction section 24 is straightened, the traction section 24 can pull the loop section 23 to fold inwards and tighten the upper end of the net bag. The loop of the pull rope body 22 is connected to the ejection cover 54 at the initial stage of ejection, the loop section 23 can be separated from the ejection cover 54, the loop section 23 is connected with the upper opening of the pocket net 25, and as the pocket net 25 is constant in length, when the pocket net 25 is ejected to reach a certain height and is unfolded, the pocket net 25 can be tightened and pull the loop section 23 of the pull rope body 22 to separate the loop section 23 from the ejection cover 54; the ejection cover 54 continuously ejects under the action of inertia, at this time, if the traction section 24 of the pull rope body 22 can penetrate through the ejection cover 54 and connect the loop section 23, the ejection cover 54 can enable the loop section 23 to be continuously folded inwards like a rope loop, and the pocket net 25 can still be continuously stretched after being unfolded, and in this stage, the loop section 23 is continuously folded by the traction section 24, so that the loop section 23 can tighten up the upper part of the net bag, and the overturned vase is prevented from being separated from the upper opening of the net bag.

Example 2

As shown in fig. 1-6, based on the structure in embodiment 1, the ejection assembly 5 is selected as a leaf spring type structure, and the ejection assembly 5 includes an ejection seat 51, an ejection arm 52 and an adjusting screw 53; the ejection seat 51 is positioned at the bottom of the ejection slot 16 and is connected with an adjusting screw 53, the elastic arm 52 is connected with the ejection seat 51 and is used for accumulating elastic potential energy, and the adjusting screw 53 is connected with the bottom wall of the ejection slot and is used for adjusting the height position of the ejection seat 51. The ejection unit 5 is provided on the protective base 1, and when the latch unit 4 is unlocked from the ejection cover 54, the ejection unit 5 can eject the ejection cover 54 upward.

When the elastic arm 52 releases the elastic potential energy, the elastic arm rises vertically to bounce the ejection cover 54, and the edge of the elastic arm 52 is straight to prevent the elastic arm 52 from hanging the tuck net 25. In the structure, due to the process of ejecting the ejection cover 54 by the elastic arm 52, the elastic arm 52 can vertically rise, and one side of the elastic arm 52 close to the pocket net 25 is straight, so that the knotting or hanging condition is effectively reduced.

Example 3

As shown in fig. 1 to 5, on the basis of the structure of embodiment 1, the locking assembly 4 includes a linkage sleeve 44, a plurality of locking catches 48 and a plurality of trigger rods 41, the locking catches 48 are all disposed on the protective base platform 1 and used for locking four sides of the ejection cover 54, all the trigger rods 41 are distributed in star shape in the placement slot 12, and one end of the trigger rod 41 is rotatably connected to the protective base platform 1; any one of the trigger rods 41 can drive the linkage sleeve 44 to move, and the linkage sleeve 44 is linked with all the clamping latches 48, so that the clamping latches 48 at the four sides of the ejection cover 54 can be controlled to simultaneously release position locking when the linkage sleeve 44 moves.

The middle part of the protection base station 1 is provided with a center platform 11, a rotating fulcrum of the trigger rod 41 is positioned at the center platform 11, a vertical central vertical shaft 43 is arranged below the center platform 11, a linkage sleeve 44 is sleeved on the central vertical shaft 43 and can move up and down along the central vertical shaft 43, a spring for stretching is connected to the lower end of the linkage sleeve 44, a circular table is arranged at the upper part of the linkage sleeve 44 to enable the linkage sleeve 44 to be T-shaped, and the end part of the trigger rod 41 can extend to the lower part of the circular table of the linkage sleeve 44, so that when the trigger rod 41 rotates, the linkage sleeve 44 is jacked up, the linkage sleeve 44 pulls a linkage rope 46, and then a clamping lock catch 48 is driven to unlock.

The clamping lock 48 is in a V shape, an arc surface 482 is arranged at the inner side of one side arm of the clamping lock 48, and the circle center of the arc surface 482 coincides with the rotating fulcrum of the corresponding trigger lever 41; an unlocking notch 483 is arranged below the arc-shaped surface 482, and when one end of the trigger lever 41, which is far away from the rotating fulcrum thereof, is abutted against the arc-shaped surface 482 and slides downwards along the arc-shaped surface 482, the position of the ejection cover 54 is always locked by the clamping lock catch 48; when one end of the trigger lever 41 away from the pivot point slides downwards along the arc surface 482 to the unlocking notch 483, the clamping lock catch 48 unlocks the ejection cover 54. Due to the arrangement of the arc-shaped surface 482, when the trigger rod 41 rotates in the arc-shaped surface 482 region, the clamping lock catch 48 keeps locked, so that the condition that the ejection device is triggered due to the fact that a small-amplitude vase shakes is avoided, and the arc-shaped surface 482 belongs to a structure design for preventing false triggering. When the trigger rod 41 moves to the unlocking notch 483 position, the vase is considered to have a high turnover risk in this state, and at this time, the clamping lock catch 48 can rotate to unlock the ejection cover 54, so that the ejection cover 54 can be ejected by the ejection assembly 5.

The other side arm of the V-shaped clamping lock catch 48 is an arm lever part 481 for connecting the linkage rope; a latching tooth 484 is located on the rear side of the curved surface 482, which latching tooth 484 serves to latch the ejection lid 54.

A linkage rope 46 and a linkage spring 49 are correspondingly arranged between the linkage sleeve 44 and each position-locking latch 48, and the linkage rope 46 and the linkage spring 49 make the linkage sleeve 44 and the corresponding position-locking latch 48 linked. The linkage spring 49 not only enables the lock catches 48 to be unlocked in a delayed manner, but also enables elastic potential energy to be accumulated, so that the lock catches 48 are unlocked more quickly, and the uniformity of unlocking time of the lock catches 48 is guaranteed; furthermore, the purpose of using a spring rather than a bungee cord is that the life of the spring is longer than the life of the bungee cord. The locking latch 48 is rotatably connected to the protection base 1, and a torsion spring is provided therebetween, so that the locking latch 48 can be returned to a position for locking the eject cover 54. A first guide wheel 45 and a second guide wheel 47 are arranged on the protection base platform, the two guide wheels are used for linking the guide of the rope 46, and the displacement range of the linking sleeve and the clamping lock catch 48 is larger when the linking rope 46 is linked.

A contact piece 42 is provided at an end of the trigger lever 41 remote from the pivot thereof, and the contact piece 42 is rotatably connected to the trigger lever 41 with a torsion spring provided therebetween. The rotatable arrangement of the contact plate 42 can avoid the dead locking phenomenon between the trigger rod 41 and the locking latch 48, so that the trigger rod 41 and the locking latch 48 can both return to the original positions normally.

The net bag component 2 further comprises an upper clamping plate 21 and a lower clamping plate 26, one side of the upper clamping plate 21 is rotatably connected to the ejection cover 54, the other side of the upper clamping plate 21 is rotatably connected with the lower clamping plate 26, the ring sleeve section 23 of the pull rope body 22 is clamped by the upper clamping plate 21 and the lower clamping plate 26, and the traction section 24 of the pull rope body 22 penetrates through the lower clamping plate 26, the upper clamping plate 21 or the ejection cover 54; after the ejection cover 54 is ejected and rises to a certain height, the lower clamping plate 26 can be pulled by the pocket net 25, so that the upper clamping plate 21 and the lower clamping plate 26 are unfolded into a straight line or a V-shape, and the loop segment 23 of the pull rope body 22 is separated from the ejection cover 54.

Example 4

As shown in fig. 7, this embodiment adds a stabilizing mechanism 3 to the structure of any one of embodiments 1-3, the stabilizing mechanism includes a fixed magnet 31, a track rod 32, a magnetic blocking member 33 and a rod sleeve 35, a rod hole 34 is provided on the trigger rod 41 of embodiments 1-3 along the length direction thereof, the track rod 32 is provided in the rod hole 34, the rod sleeve 35 is sleeved on the track rod 32 and can slide along the rod sleeve 35, the magnetic blocking member 33 is L-shaped and has magnetism attracting the fixed magnet 31, the lower portion of the magnetic blocking member 33 is connected to the rod sleeve 35 and can slide along the track rod 32, when the vase tilts and pushes the magnetic blocking member 33 to slide downwards and enter the magnetic attraction area of the fixed magnet 31, the magnetic blocking member 33 can be pulled by the fixed magnet 31 to slide, and the magnetic blocking member 33 can drive the lower edge of the vase to approach the fixed magnet 31, therefore, the fulcrum for turning the vase moves towards the turning direction, and when the fulcrum moves to the gravity center turning direction, the gravity center of the vase can be stabilized again.

The above examples are merely for clearly illustrating the examples and are not intended to limit the embodiments; other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications are contemplated as falling within the scope of the present invention.

Claims

1. A fragile article protection device which characterized in that: comprises a protection base station (1), a locking component (4), a net bag component (2) and an ejection component (5); a placing groove position (12) for placing fragile articles is arranged in the middle of the upper end surface of the protection base station (1), and a plurality of raised supporting edges (13) are annularly distributed in the placing groove position (12); a square frame-shaped or annular ejection cover (54) is arranged at the periphery of the protection base station (1), and the ejection cover (54) is detachably connected with the protection base station (1) and is locked in position by a locking component (4); the ejection component (5) is arranged on the protective base platform (1), and when the position of the ejection cover (54) is unlocked by the locking component (4), the ejection component (5) can eject the ejection cover (54) upwards; the locking component (4) is arranged on the protection base station (1), and the locking component (4) can be pushed and triggered by downward displacement of the bottom edge when the fragile product deflects so as to unlock the ejection cover (54); the net bag component (2) comprises a net bag (25), a pull rope body (22), an upper clamping plate (21) and a lower clamping plate (26), the net bag (25) is cylindrical when unfolded and can be folded and stored in the protective base station (1), the lower part of the net bag (25) is connected with the protective base station (1), and the upper part of the net bag (25) is connected with an ejection cover (54) and can be ejected together with the ejection cover (54); the pull rope body (22) comprises a ring sleeve section (23) and a traction section (24), the ring sleeve section (23) is in a cable sleeve shape, is positioned at the upper part of the pocket net (25) and can be bounced together with an ejection cover (54), and two ends of the traction section (24) are respectively connected with the ring sleeve section (23) and the protective base station (1); when the loop sections (23) are bounced and the traction sections (24) are straightened, the traction sections (24) can pull the loop sections (23) to fold inwards and tighten the upper ends of the net bags; one side of the upper clamping plate (21) is rotatably connected to the ejection cover (54), the other side of the upper clamping plate (21) is rotatably connected with the lower clamping plate (26), the ring sleeve section (23) of the pull rope body (22) is clamped by the upper clamping plate (21) and the lower clamping plate (26), and the traction section (24) of the pull rope body (22) penetrates through the lower clamping plate (26), the upper clamping plate (21) or the ejection cover (54);

the ejection assembly (5) is of a spring plate type structure, and the ejection assembly (5) comprises an ejection seat (51), an elastic arm (52) and an adjusting screw (53); the ejection seat (51) is positioned at the bottom of the ejection slot (16) and is connected with the adjusting screw rod (53), the ejection arm (52) is connected to the ejection seat (51) and is used for accumulating elastic potential energy, and the adjusting screw rod (53) is connected to the bottom wall of the ejection slot and is used for adjusting the height position of the ejection seat (51); the left edge and the right edge of the protective base (1) are respectively provided with an ejection assembly (5), the two ejection assemblies (5) have different elastic potential energy in a compressed state and can enable the ejection cover (54) to eject in an inclined direction; when the elastic arm (52) releases elastic potential energy, the elastic arm vertically rises to bounce the ejection cover (54), and the edge of the elastic arm (52) is straight to prevent the elastic arm (52) from being hung on the pocket net (25);

the locking component (4) comprises a linkage sleeve (44), a plurality of clamping locks (48) and a plurality of trigger rods (41), the clamping locks (48) are all arranged on the protective base platform (1) and used for clamping four sides of the ejection cover (54), all the trigger rods (41) are distributed in the placing groove positions (12) in a star shape, and one end of each trigger rod (41) is rotatably connected to the protective base platform (1); any one trigger rod (41) can drive the linkage sleeve (44) to move, the linkage sleeve (44) is linked with all the clamping buckles (48), and the clamping buckles (48) on the four sides of the ejection cover (54) can be controlled to simultaneously release position locking when the linkage sleeve (44) moves; a linkage rope (46) and a linkage spring (49) are correspondingly arranged between the linkage sleeve (44) and each clamping lock catch (48), and the linkage rope (46) and the linkage spring (49) enable the linkage sleeve (44) and the corresponding clamping lock catch (48) to be linked.

2. The fragile item protection device according to claim 1, wherein: a tuck net groove (14), a rope pulling groove (15) and an ejection groove (16) are arranged at the edge of the protection base station (1); the net pocket groove (14) is used for accommodating a net (25), the rope pulling groove (15) is used for accommodating a traction section (24) of the rope pulling body (22), and the ejection assembly (5) is arranged in the ejection groove (16).

3. The fragile item protection device according to claim 2, wherein: the left side edge and the right side edge of the protective base platform (1) are both provided with ejection grooves (16), and the two ejection grooves (16) are respectively provided with an ejection assembly (5).

4. The fragile item protection device according to claim 1, wherein: the clamping lock catch (48) is V-shaped, an arc-shaped surface (482) is arranged at the inner side of one side arm of the clamping lock catch (48), and the circle center of the arc-shaped surface (482) is superposed with the rotating fulcrum of the corresponding trigger rod (41); an unlocking notch (483) is arranged below the arc-shaped surface (482), and when one end of the trigger rod (41), which is far away from the rotating fulcrum of the trigger rod, is abutted against the arc-shaped surface (482) and slides downwards along the arc-shaped surface (482), the position of the ejection cover (54) is always locked by the clamping lock catch (48); when one end of the trigger lever (41) far away from the rotating fulcrum slides downwards to the unlocking notch (483) along the arc-shaped surface (482), the clamping lock catch (48) unlocks the ejection cover (54).

5. The fragile item protection device of claim 1, wherein: a contact piece (42) is arranged at one end of the trigger rod (41) far away from the rotating fulcrum of the trigger rod, the contact piece (42) is rotatably connected with the trigger rod (41), and a torsion spring is arranged between the contact piece (42) and the trigger rod (41).