CN211705901U

CN211705901U - Christmas music box with protective structure

Info

Publication number: CN211705901U
Application number: CN201921752833.8U
Authority: CN
Inventors: 周正
Original assignee: Shuyang Mingqi Crafts Co ltd
Current assignee: Shuyang Mingqi Crafts Co ltd
Priority date: 2019-10-18
Filing date: 2019-10-18
Publication date: 2020-10-20
Anticipated expiration: 2029-10-18

Abstract

The utility model discloses a music box on christmas with protective structure, including music box main part, music box main part outer end all is fixed with the fixed plate, and the fixed plate all articulates with the one end of hinge bar through the articulated shaft, the other end of hinge bar all is articulated with first slider through another articulated shaft, the all sliding connection of first slider is in first spout, first spout is all seted up on the guard plate, the right-hand member of push rod constitutes sliding connection through another third slider and third spout, the third spout is seted up on music box main part inner wall. This music box on christmas is provided with fixed plate, articulated shaft, hinge bar, first slider, first spout, guard plate, first spring, dead lever, second spout, second slider, second spring and movable bin, can utilize the restoring force of the elasticity production of first spring and second spring self to offset external force through this setting to guarantee that the inside circuit element of music box main part can not receive the damage.

Description

Christmas music box with protective structure

Technical Field

The utility model relates to a protection technology field specifically is a music box on christmas with protective structure.

Background

The dual meanings of Christmas are more and more obvious, one is as traditional Christian religion festival, one is as the public holiday of modern society, people often will select the music box on Christmas this day again and regard as the gift, and the current music box on Christmas basically satisfies people's demand, but in use still has some drawbacks.

1. Present music box on christmas is simple woodwork, and its protective structure is comparatively simple, if music box body on christmas drops to ground from placing, and the impact that produces with ground collision very probably harms the inside electronic component of music box, influences the life of music box on christmas.

2. The prior Christmas music box needs to take out the whole circuit board before maintaining the internal electronic elements, because the traditional Christmas music box leaves a smaller operable space and the maintenance personnel can take out the circuit board more difficultly, therefore, the Christmas music box with a protective structure is needed to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a music box on christmas with protective structure to current music box on christmas that proposes among the solution above-mentioned background art protectiveness is relatively poor, and music box on christmas inside circuit board takes out comparatively trouble problem.

In order to achieve the above object, the utility model provides a following technical scheme: a Christmas music box with a protective structure comprises a music box main body, wherein fixed plates are fixed at the outer ends of the music box main body, the fixed plates are hinged with one ends of hinged rods through hinged shafts, the other ends of the hinged rods are hinged with a first sliding block through another hinged shaft, the first sliding blocks are connected in first sliding grooves in a sliding mode, the first sliding grooves are formed in protective plates, a first spring is connected between the two hinged rods, movable cabins are fixed at the two sides of the inner ends of the protective plates, second sliding grooves are formed in the movable cabins, second sliding blocks are connected in the second sliding grooves in a sliding mode, the inner ends of the second sliding blocks are fixed to the top ends of fixed rods, the top ends of the fixed rods are connected with the inside of the movable cabins through second springs, rocker rods are arranged at the right end of the music box main body, and a rotary table is fixed at the output ends of the rocker rods, all be fixed with the fixed block on the carousel, and the all sliding connection of fixed block is in the movable groove, the movable groove is seted up on the bull stick, the downside of bull stick is articulated through round pin axle and music box main part inner wall, the bottom mounting of bull stick has the gear, and the below meshing of gear has the tooth, the tooth sets up on the push rod, the push rod left end is fixed through push rod and circuit element board, the right-hand member of push rod constitutes sliding connection through another third slider and third spout, the third spout is seted up on music box main part inner wall.

Preferably, the hinge rods are provided with two groups, and the included angle formed by the two groups of hinge rods is a second spring.

Preferably, the second sliding groove is arranged at the left end and the right end of the inner wall of the movable bin, and the length of the second sliding groove is equal to that of the fixed rod.

Preferably, the top ends of the second springs are fixed with the inner wall of the movable bin, and the bottom ends of the second springs are fixed with the top end of the fixing rod.

Preferably, the length of the movable groove is larger than the diameter of the rotary disc, and the movable groove is in a long column shape.

Preferably, the length of the rodent is equal to the length of the circuit element plate moving out of the interior of the music box main body.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the Christmas music box is provided with a fixed plate, hinged shafts, hinged rods, first sliding blocks, first sliding grooves, a protective plate, a first spring, a fixed rod, second sliding grooves, second sliding blocks, second springs and a movable bin, when a music box main body falls from a placing position or is impacted by external force, the external force extrudes the protective plate to enable the external force to be transmitted to the two hinged rods, the two first sliding blocks are driven to expand outwards, the first spring is enabled to generate deformation, the restoring force generated by the elasticity of the first spring per se offsets the external force transmitted from the hinged rods, meanwhile, the protective plate is extruded to descend to drive the movable bin to move downwards, the top end of the fixed rod slides in the second sliding groove through the second sliding blocks, the top end of the fixed rod extrudes the second spring to generate deformation, the restoring force generated by the elasticity of the second spring per se offsets the external force transmitted from the protective plate, the external force can be offset by the restoring force generated by the elasticity of the first spring and the second spring per se, thereby ensuring that the circuit elements inside the music box main body are not damaged.

2. The Christmas music box is provided with a rocker, a rotary table, a fixed block, a movable groove, a rotating rod, a pin shaft, a gear, a tooth, a push rod, a third sliding block, a third sliding groove and a circuit element plate, when maintenance personnel needs to take out the circuit element plate for maintenance, the rocker is only required to be rotated to drive the rotary table to rotate, the rotary table drives the fixed block to rotate on the rotary table, the fixed block slides in the movable groove to drive the rotating rod to swing through the pin shaft, the rotating rod drives the gear at the bottom end to rotate, the gear drives the tooth meshed with each other to rotate, the tooth drives the push rod to move in the third sliding groove, the third sliding block at the left end drives the circuit element plate to move out, the maintenance personnel can maintain the circuit element on the moved-out circuit element plate at the moment, the reverse rotation rocker is used for accommodating the circuit element plate back into the music box main body after maintenance is finished, the, time and labor are saved.

Drawings

Fig. 1 is a schematic structural three-dimensional state diagram of the present invention;

FIG. 2 is a schematic sectional view of the front view of the structure of the present invention;

FIG. 3 is a schematic sectional view of the connection structure of the music box main body and the protection plate of the present invention;

fig. 4 is an enlarged schematic view of the structure at a in fig. 3 according to the present invention;

fig. 5 is a schematic side view of the local structure of the present invention.

In the figure: 1. a music box main body; 2. a fixing plate; 3. hinging a shaft; 4. a hinged lever; 5. a first slider; 6. a first chute; 7. a protection plate; 8. a first spring; 9. fixing the rod; 10. A second slider; 11. a second chute; 12. a second spring; 13. a movable bin; 14. a rocker; 15. a turntable; 16. a fixed block; 17. a movable groove; 18. a rotating rod; 19. a pin shaft; 20. A gear; 21. a rodent; 22. a push rod; 23. a third slider; 24. a third chute; 25. A circuit element board.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides an embodiment: a Christmas music box with a protective structure comprises a music box main body 1, wherein fixed plates 2 are fixed at the outer ends of the music box main body 1, the fixed plates 2 are hinged to one ends of hinged rods 4 through hinged shafts 3, the hinged rods 4 are provided with two groups, an included angle formed by the two groups of hinged rods 4 is 120 degrees, the two groups of fixed plates 2 are arranged to be transmitted to the two hinged rods 4 through external force, the hinged rods 4 are extruded to expand and stretch first springs 8, so that the first springs 8 counteract the external force through restoring force generated by elasticity of the first springs 8, the other ends of the hinged rods 4 are hinged to first sliding blocks 5 through other hinged shafts 3, the first sliding blocks 5 are all slidably connected in first sliding grooves 6, the first sliding grooves 6 are all arranged on protective plates 7, the first springs 8 are connected between the two hinged rods 4, movable bins 13 are fixed on two sides of the inner ends of the protective plates 7, and the movable bin 13 is internally provided with a second chute 11, the second chutes 11 are arranged at the left end and the right end of the inner wall of the movable bin 13, the length of the second chute 11 is equal to the length of the fixed rod 9, the arrangement aims to limit the movable range of the fixed rod 9 and ensure that the fixed rod 9 extrudes the second spring 12 to deform within a controllable range, the second chute 11 is internally connected with a second sliding block 10 in a sliding way, the inner ends of the second sliding blocks 10 are fixed with the top end of the fixed rod 9, the top end of the fixed rod 9 is connected with the inside of the movable bin 13 through a second spring 12, the top end of the second spring 12 is fixed with the inner wall of the movable bin 13, the bottom end of the second spring 12 is fixed with the top end of the fixed rod 9, the second spring 12 is arranged to ensure that the protection plate 7 descends when external force is applied, the top end of the fixed rod 9 slides in the second chute 11 through the second sliding block 10, the external force that comes from transmission on guard plate 7 is offset to the restoring force that the elasticity of second spring 12 self produced, can utilize the restoring force of the elasticity production of first spring 8 and second spring 12 self to offset external force through this setting to guarantee that the inside circuit component of music box main part 1 can not receive the damage.

The right end of the music box main body 1 is provided with a rocker 14, the output end of the rocker 14 is fixed with a turntable 15, the turntable 15 is fixed with fixed blocks 16, the fixed blocks 16 are all connected in a movable groove 17 in a sliding way, the length of the movable groove 17 is larger than the diameter of the turntable 15, the movable groove 17 is in a long column shape, the arrangement is aimed at ensuring that the amplitude of the swinging of the rotating rod 18 driven by the rotating rocker 14 is not too large, which leads to the unstable moving-out process of the circuit element board 25, the movable groove 17 is arranged on the rotating rod 18, the lower side of the rotating rod 18 is hinged with the inner wall of the music box main body 1 through a pin shaft 19, the bottom end of the rotating rod 18 is fixed with a gear 20, the meshing teeth 21 are meshed below the gear 20, the length of the meshing teeth 21 is equal to the length of the circuit element board 25 moving out of the music box main body 1, and ensuring that the, the rodent 21 is arranged on the push rod 22, the left end of the push rod 22 is fixed with the circuit element board 25 through the push rod 22, the right end of the push rod 22 forms a sliding connection with a third sliding groove 24 through another third sliding block 23, and the third sliding groove 24 is arranged on the inner wall of the music box main body 1.

The working principle is as follows: when the music box main body 1 falls from the placing position or is impacted by external force, the external force extrudes the protection plate 7 to transfer the external force to the two hinge rods 4 to drive the two first sliding blocks 5 to expand outwards, so that the first spring 8 is deformed, the restoring force generated by the elasticity of the first spring 8 counteracts the external force transmitted from the hinge rod 4, meanwhile, the protection plate 7 is extruded to descend to drive the movable bin 13 to move downwards, at the moment, the top end of the fixed rod 9 slides in the second sliding groove 11 through the second sliding block 10, the top end of the fixed rod 9 extrudes the second spring 12 to generate deformation, the restoring force generated by the elasticity of the second spring 12 counteracts the external force transmitted from the protection plate 7, with this arrangement, the external force can be offset by the restoring force generated by the elasticity of the first spring 8 and the second spring 12, thereby ensuring that the circuit elements inside the music box main body 1 are not damaged.

When a maintenance person needs to take out the circuit element board 25 for maintenance, the maintenance person only needs to rotate the rocker 14 to drive the turntable 15 to rotate, the turntable 15 drives the fixed block 16 to rotate on the turntable 15, the fixed block 16 rotates to slide in the movable groove 17, the rotating rod 18 is driven to swing through the pin shaft 19, the rotating rod 18 drives the gear 20 at the bottom end to rotate, the gear 20 drives the meshed gear 21 to rotate, the gear 21 drives the push rod 22 to move in the third sliding groove 24, the third slider 23 at the left end drives the circuit element board 25 to move out, at this time, the maintenance personnel can maintain the circuit elements on the moved circuit element board 25, after the maintenance is finished, the rocker 14 is rotated reversely to store the circuit element board 25 into the music box main body 1, the device can make maintenance personnel conveniently and quickly move the circuit element board 25 out for maintenance, saves time and labor, and finally finishes the operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a music box on christmas with protective structure, includes music box main part (1), its characterized in that: the music box is characterized in that the outer end of the music box main body (1) is fixedly provided with a fixed plate (2), the fixed plate (2) is hinged with one end of a hinged rod (4) through a hinged shaft (3), the other end of the hinged rod (4) is hinged with a first sliding block (5) through another hinged shaft (3), the first sliding block (5) is connected in a first sliding groove (6) in a sliding manner, the first sliding groove (6) is arranged on a protection plate (7), a first spring (8) is connected between the two hinged rods (4), two sides of the inner end of the protection plate (7) are fixedly provided with movable bins (13), the movable bins (13) are internally provided with second sliding grooves (11), the second sliding grooves (11) are internally and slidably connected with second sliding blocks (10), the inner ends of the second sliding blocks (10) are fixedly arranged on the top ends of fixed rods (9), and the top ends of the fixed rods (9) are internally connected with the movable bins (13) through second springs (12), a rocker (14) is arranged at the right end of the music box main body (1), a turntable (15) is fixed at the output end of the rocker (14), fixed blocks (16) are fixed on the turntable (15), the fixed blocks (16) are all connected in a movable groove (17) in a sliding way, the movable groove (17) is arranged on the rotating rod (18), the lower side of the rotating rod (18) is hinged with the inner wall of the music box main body (1) through a pin shaft (19), a gear (20) is fixed at the bottom end of the rotating rod (18), and a tooth wheel (21) is meshed below the gear (20), the tooth wheel (21) is arranged on the push rod (22), the left end of the push rod (22) is fixed with a circuit element plate (25) through the push rod (22), the right end of the push rod (22) is in sliding connection with a third sliding groove (24) through another third sliding block (23), the third sliding groove (24) is formed in the inner wall of the music box main body (1).

2. A christmas music box with protective structure as claimed in claim 1, wherein: the hinged rods (4) are provided with two groups, and the included angle formed by the hinged rods (4) is 120 degrees.

3. A christmas music box with protective structure as claimed in claim 1, wherein: the second sliding groove (11) is arranged at the left end and the right end of the inner wall of the movable bin (13), and the length of the second sliding groove (11) is equal to that of the fixed rod (9).

4. A christmas music box with protective structure as claimed in claim 1, wherein: the top end of the second spring (12) is fixed with the inner wall of the movable bin (13), and the bottom end of the second spring (12) is fixed with the top end of the fixed rod (9).

5. The christmas music box with protective structure of claim 4, wherein: the length of the movable groove (17) is larger than the diameter of the rotary table (15), and the movable groove (17) is in a long column shape.

6. A christmas music box with protective structure as claimed in claim 1, wherein: the length of the rodent (21) is equal to the length of the circuit element plate (25) moving out of the music box main body (1).