CN111084993A

CN111084993A - Anti-falling device for music toy

Info

Publication number: CN111084993A
Application number: CN202010123022.2A
Authority: CN
Inventors: 何旭乐
Original assignee: Boluo County Goldlok Electronics Co ltd
Current assignee: Boluo County Goldlok Electronics Co ltd
Priority date: 2020-02-27
Filing date: 2020-02-27
Publication date: 2020-05-01
Anticipated expiration: 2040-02-27
Also published as: CN111084993B

Abstract

The invention provides an anti-falling device for a music toy. Each of the position-retaining posts is connected with a first compression spring. Each clamping column part is accommodated in one clamping hole and is in sliding connection with the sliding column, and one end, exposed out of the clamping hole, of each clamping column is provided with a hemispherical clamping block. The sliding column is inserted in the sliding hole and is connected with the sliding block in a sliding way. Each extension spring is accommodated in a second sliding way and is connected with the sliding block, and each extension spring is connected with a first L-shaped connecting column. One end of each first L-shaped connecting column penetrating through the second taxiway is connected with a first fixing clamp. One end of the connecting rod is connected with the sliding block. The second compression spring is accommodated in the fourth taxiway and is connected with the connecting rod, and the second compression spring is connected with the second L-shaped connecting column. One end of the second L-shaped connecting column penetrating through the fourth sliding way is connected with a second fixing clamp, and the other second fixing clamp is connected with one end, far away from the sliding block, of the connecting rod.

Description

Anti-falling device for music toy

Technical Field

The invention relates to the field of toy manufacturing, in particular to an anti-falling device for a music toy.

Background

A children's toy is a product designed or intended for children under the age of 14 years, manufactured and sold except when explicitly not intended for play by the producer. The types of children's toys are mainly embodied as elephants, technical toys, sectional and assembly toys, construction and construction toys, sports activity toys, music sounding toys, labor activity toys, decorative toys, homemade toys, and the like. The general educational requirements for the toy are: is beneficial to promoting the overall development of children body, moral, intelligence and beauty; the children age characteristics are met, and the curiosity, the motivation and the exploration activities of the children can be met; the modeling is beautiful and reflects the typical characteristics of things; the activity is variable, which is helpful for encouraging learning; the color is nontoxic, and the cleaning and disinfection are easy; meets the safety requirements and the like.

However, music toys are not only intended to attract the attention of children in appearance, but also to be able to emit a rich and pleasing sound and to accommodate music that children listen to. The music toy is easy to be damaged because the music toy comprises electronic equipment such as a loudspeaker and the like. The traditional music toy is often faded and crashed from a high place due to improper placement.

Disclosure of Invention

Therefore, it is necessary to provide a music toy falling-preventing device for solving the technical problem that the traditional music toy falls down from a high place due to improper placement.

A musical toy fall-through prevention device, comprising: the device comprises a support frame, a head fixing mechanism and two arm fixing mechanisms; the head fixing mechanism and the two arm fixing mechanisms are arranged on the support frame;

the support frame comprises a support bottom plate, a sliding column, a plurality of clamping columns and a plurality of first compression springs; the sliding column is connected with the supporting bottom plate, a plurality of clamping holes are uniformly formed in the sliding column, and each first compression spring is inserted into one clamping hole and connected with the sliding column; each clamping column is connected with one first compression spring; each clamping column part is accommodated in one clamping hole and is in sliding connection with the sliding column, and one end, exposed out of the clamping hole, of each clamping column is provided with a hemispherical clamping block;

the head fixing mechanism comprises a sliding block, two first L-shaped connecting columns, two first fixing clamps and two extension springs; the sliding block is provided with a sliding hole, and the sliding column is inserted in the sliding hole and is in sliding connection with the sliding block; one surface of the sliding block, which is back to the supporting bottom plate, is symmetrically provided with two first sliding ways; two second taxiways are symmetrically arranged on the other surface of the sliding block, and each first taxiway is communicated with one second taxiway; one end of each first L-shaped connecting column penetrates through one first taxiway, and the other end of each first L-shaped connecting column penetrates through one second taxiway; each extension spring is accommodated in one second taxiway and is connected with the sliding block, and each extension spring is connected with one first L-shaped connecting column; each first L-shaped connecting column penetrates through one end of the second taxiway to be connected with one first fixing clamp; the two first fixing clamps are symmetrically arranged;

the two arm fixing mechanisms are symmetrically arranged on two sides of the head fixing mechanism and comprise connecting rods, second L-shaped connecting columns, second compression springs and two second fixing clamps; one end of the connecting rod is connected with the sliding block; one side of the connecting rod, which is back to the supporting bottom plate, is provided with a third taxiway, and the other side of the connecting rod is provided with a fourth taxiway; the third taxiway is in communication with the fourth taxiway; one end of the second L-shaped connecting column penetrates through the third taxiway, and the other end of the second L-shaped connecting column penetrates through the fourth taxiway; the second compression spring is accommodated in the fourth taxiway and is connected with the connecting rod, and the second compression spring is connected with the second L-shaped connecting column; one end of the second L-shaped connecting column penetrating through the fourth taxiway is connected with one second fixing clamp, the other second fixing clamp is connected with one end, far away from the sliding block, of the connecting rod, and the two second fixing clamps are symmetrically arranged.

In one embodiment, the support frame further comprises a stop block, one end of the sliding column, which is far away from the support base plate, is connected with the stop block, and the width of the stop block is larger than that of the sliding hole.

In one embodiment, the stop block is detachably connected with the sliding column.

In one embodiment, the blocking block is provided with a slot, and one end of the sliding column, which is far away from the supporting bottom plate, is inserted into the slot and connected with the blocking block.

In one embodiment, the blocking block is provided with a threaded insertion hole, one end of the sliding column, which is far away from the supporting base plate, is provided with a threaded insertion rod, the threaded insertion rod is matched with the threaded insertion hole, and the threaded insertion rod is inserted into the threaded insertion hole and connected with the blocking block.

In one embodiment, the side of the barrier facing said support base is provided with a buffer layer.

In one embodiment, the buffer layer is a soft rubber pad.

In one embodiment, the cushioning layer is a foam pad.

In one embodiment, the cushioning layer is a soft plastic pad.

In one embodiment, the buffer layer is a soft silicone rubber pad.

The anti-falling device for the music toy is characterized in that the head fixing mechanism and the two arm fixing mechanisms are received through the supporting frame, the head fixing mechanism is moved according to the size of the music toy to adjust the height of the head fixing mechanism relative to the supporting base plate, the head of the music toy is fixed through the head fixing mechanism, and the two arms of the music toy are fixed through the two arm fixing mechanisms. The music toy is firmly fixed, and the music toy is prevented from falling from a high place.

Drawings

FIG. 1 is a schematic diagram of the construction of one embodiment of a musical toy fall arrest device;

FIG. 2 is a schematic view of the musical toy fall arrest device of the embodiment of FIG. 1 from another perspective;

FIG. 3 is a schematic view of the musical toy fall arrest device of the embodiment of FIG. 1 from another perspective;

FIG. 4 is a schematic diagram of the construction of one embodiment of the anti-fall device for a musical toy;

FIG. 5 is a schematic diagram of the structure of the base fixing mechanism in one embodiment;

FIG. 6 is a schematic view of the base fixing mechanism of the embodiment of FIG. 5 from another perspective;

FIG. 7 is a schematic view of a portion of a base securing mechanism according to one embodiment;

FIG. 8 is a partially disassembled schematic view of a base securing mechanism according to one embodiment;

FIG. 9 is a partially disassembled view of the base fixing mechanism from another perspective in the embodiment of FIG. 8;

fig. 10 is a partially enlarged structural view of the base fixing mechanism in the embodiment of fig. 9.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

Referring to fig. 1-4 together, the present invention provides a musical toy fall-preventing device 10, the musical toy fall-preventing device 10 comprising: a support frame 400, a head fixing mechanism 500 and two arm fixing mechanisms 600. The head fixing mechanism 500 and the two arm fixing mechanisms 600 are both provided on the support frame 400.

The supporting frame 400 includes a supporting base plate 410, a sliding column 420, a plurality of clamping columns 430 and a plurality of first compression springs 440, the sliding column 420 is connected with the supporting base plate 410, a plurality of clamping holes 401 are uniformly formed on the sliding column 420, and each first compression spring 440 is inserted into one clamping hole 401 and connected with the sliding column 420. Each capture post 430 is connected to a first compression spring 440. Each of the position-locking columns 430 is partially received in a position-locking hole 401 and slidably connected to the sliding column 420, and a hemispherical position-locking block 431 is disposed at one end of each of the position-locking columns 430 exposed out of the position-locking hole 401.

The head fixing mechanism 500 includes a slider 510, two first L-shaped coupling posts 520, two first fixing clips 530, and two extension springs 540. The sliding block 510 is provided with a sliding hole 501, and the sliding column 420 is inserted in the sliding hole 501 and is connected with the sliding block 510 in a sliding manner. Two first taxiways 502 are symmetrically arranged on one side of the sliding block 510, which is back to the support bottom plate 410. Two second taxiways 503 are symmetrically arranged on the other side of the sliding block 510, and each first taxiway 502 is communicated with one second taxiway 503. Each first L-shaped connecting post 520 passes through a first taxiway 502 at one end and a second taxiway 503 at the other end. Each extension spring 540 is accommodated in a second taxiway 503 and connected with the sliding block 510, and each extension spring 540 is connected with a first L-shaped connecting column 520. Each first L-shaped connecting post 520 passes through one end of the second taxiway 503 to connect with a first fixing clip 530. The two first fixing clips 530 are symmetrically disposed.

The two arm fixing mechanisms 600 are symmetrically disposed at two sides of the head fixing mechanism 500, and the arm fixing mechanism 600 includes a connecting rod 610, a second L-shaped connecting column 620, a second compression spring 630 and two second fixing clips 640. One end of the connecting rod 610 is connected to the sliding block 510. One side of the connecting rod 610, which faces away from the support base plate 410, is provided with a third taxiway 601, and the other side of the connecting rod 610 is provided with a fourth taxiway 602. The third taxiway 601 communicates with the fourth taxiway 602. One end of the second L-shaped connecting pole 620 passes through the third taxiway 601, and the other end of the second L-shaped connecting pole 620 passes through the fourth taxiway 602. The second compression spring 630 is accommodated in the fourth taxiway 602 and is connected with the connecting rod 610, and the second compression spring 630 is connected with the second L-shaped connecting column 620. One end of the second L-shaped connecting post 620 penetrating through the fourth taxiway 602 is connected to a second fixing clip 640, the other second fixing clip 640 is connected to one end of the connecting rod 610 far away from the sliding block 510, and the two second fixing clips 640 are symmetrically arranged.

The anti-falling device 10 for a music toy receives the head fixing mechanism 500 and the two arm fixing mechanisms 600 through the support frame 400, adjusts the height of the head fixing mechanism 500 relative to the support base plate 410 by moving the head fixing mechanism 500 according to the size of the music toy, fixes the head of the music toy through the head fixing mechanism 500, and fixes the two arms of the music toy through the two arm fixing mechanisms 600. The music toy is firmly fixed, and the music toy is prevented from falling from a high place. It should be noted that the above-described musical toy fall-preventing device 10 is invented and created for a musical doll toy among musical toys.

The supporting frame 400 is used for receiving the head fixing mechanism 500 and the two arm fixing mechanisms 600. The head fixing mechanism 500 and the two arm fixing mechanisms 600 are both provided on the support frame 400. Specifically, the supporting frame 400 includes a supporting base plate 410, a sliding column 420, a plurality of clamping columns 430 and a plurality of first compression springs 440, the sliding column 420 is connected with the supporting base plate 410, a plurality of clamping holes 401 are uniformly formed in the sliding column 420, and further, the distance between the two clamping holes 401 is the same as the thickness of the sliding block 510. Each first compression spring 440 is inserted into a retaining hole 401 and connected to the sliding post 420. Each capture post 430 is connected to a first compression spring 440. Each of the position-locking columns 430 is partially received in a position-locking hole 401 and slidably connected to the sliding column 420, and a hemispherical position-locking block 431 is disposed at one end of each of the position-locking columns 430 exposed out of the position-locking hole 401. In this embodiment, a non-slip pad is disposed on a side of the support base plate 410 away from the sliding column 420. Further, the non-slip mat is soft rubber pad, and soft rubber pad has certain elasticity, good wearability and toughness, can increase the frictional force between supporting baseplate 410 and the external world and place the platform. Further, be provided with anti-skidding line on the anti-skidding pad to further increase the frictional force between supporting baseplate 410 and the external world and place the platform, thereby increased the music toy and prevented falling the stability that the device placed on the external world and placed the platform.

The head fixing mechanism 500 is used for fixing the music toy, and specifically, the head fixing mechanism 500 includes a sliding block 510, two first L-shaped connecting posts 520, two first fixing clips 530, and two extension springs 540. The sliding block 510 is provided with a sliding hole 501, and the sliding column 420 is inserted in the sliding hole 501 and is connected with the sliding block 510 in a sliding manner. Two first taxiways 502 are symmetrically arranged on one side of the sliding block 510, which is back to the support bottom plate 410. Two second taxiways 503 are symmetrically arranged on the other side of the sliding block 510, and each first taxiway 502 is communicated with one second taxiway 503. Each first L-shaped connecting post 520 passes through a first taxiway 502 at one end and a second taxiway 503 at the other end. Each extension spring 540 is accommodated in a second taxiway 503 and connected with the sliding block 510, and each extension spring 540 is connected with a first L-shaped connecting column 520. Each first L-shaped connecting post 520 passes through one end of the second taxiway 503 to connect with a first fixing clip 530. The two first fixing clips 530 are symmetrically disposed. The height of the head restraint 500 relative to the support base 410 is adjusted by moving the sliding block 510 along the sliding post 420 to accommodate different sized musical toys. The hemispherical capture block 431 may act as a barrier to the sliding block 510 as the sliding block 510 is moved along the sliding post 420. When the sliding block 510 is pushed by force and the sliding block 510 hits the hemispherical stopper 431, the stopper 430 compresses the first compression spring 440, so that the hemispherical stopper 431 is retracted into the stopper hole 401, and the sliding block 510 can move along the sliding column 420. When the head of the music toy is clamped and fixed, the two extension springs 540 are stretched by applying force to the two first L-shaped connecting columns 520, so that a large clamping space is formed between the two first fixing clamps 530, the head of the music toy is placed between the two first fixing clamps 530, and the two extension springs 540 recover elastic deformation to drive the two first fixing clamps 530 to mutually draw close to clamp and fix the head of the music toy through the two first L-shaped connecting columns 520.

The two arm fixing mechanisms 600 are used for fixing two arms of the music toy, specifically, the two arm fixing mechanisms 600 are symmetrically arranged on two sides of the head fixing mechanism 500, and each arm fixing mechanism 600 comprises a connecting rod 610, a second L-shaped connecting column 620, a second compression spring 630 and two second fixing clamps 640. One end of the connecting rod 610 is connected to the sliding block 510. One side of the connecting rod 610, which faces away from the support base plate 410, is provided with a third taxiway 601, and the other side of the connecting rod 610 is provided with a fourth taxiway 602. The third taxiway 601 communicates with the fourth taxiway 602. One end of the second L-shaped connecting pole 620 passes through the third taxiway 601, and the other end of the second L-shaped connecting pole 620 passes through the fourth taxiway 602. The second compression spring 630 is accommodated in the fourth taxiway 602 and is connected with the connecting rod 610, and the second compression spring 630 is connected with the second L-shaped connecting column 620. One end of the second L-shaped connecting post 620 penetrating through the fourth taxiway 602 is connected to a second fixing clip 640, the other second fixing clip 640 is connected to one end of the connecting rod 610 far away from the sliding block 510, and the two second fixing clips 640 are symmetrically arranged. When arm fixed establishment 600 fixes the arm of music toy, compress second compression spring 630 through carrying out the application of force to second L type spliced pole 620 and remove, thereby drive second fixation clamp 640 and remove, make and form a great centre gripping space between two second fixation clamps 640, put into the arm of music toy between two second fixation clamps 640 again, second compression spring 630 resumes elastic deformation and drives second fixation clamp 640 and draw close the arm centre gripping of music toy to another second fixation clamp 640 through second L type spliced pole 620 and fix.

In order to increase the working stability of the anti-falling device for the music toy, in one embodiment, the supporting frame 400 further comprises a stop block 450, the end of the sliding column 420 far away from the supporting base plate 410 is connected with the stop block 450, and the stop block 450 is detachably connected with the sliding column 420, so that the head fixing mechanism 500 and the two arm fixing mechanisms 600 can be detached from the sliding column 420 for transportation. The width of the stopper 450 is greater than that of the slide hole 501 to prevent the slide block 510 from falling off the slide post 420 during the movement along the slide post 420. In this embodiment, the blocking block 450 is provided with a slot, and one end of the sliding column 420 far away from the supporting base plate 410 is inserted into the slot and connected with the blocking block 450. In another embodiment, the stop block 450 is formed with a threaded socket, and a threaded rod is disposed at an end of the sliding column 420 away from the supporting base plate 410, and is matched with the threaded socket, and is inserted into the threaded socket and connected to the stop block 450. The side of the stop block 450 facing the support base plate 410 is provided with a buffer layer to prevent the sliding block 510 from colliding with the stop block 450 to cause damage to each other during the process of the sliding block 510 excessively sliding along the sliding column 420. Further, the buffer layer is soft rubber pad, and soft rubber pad has certain elasticity, good wearability and toughness, and soft rubber pad can cushion the impact that the gliding block 510 struck and formed to stop block 450 effectively. In one embodiment, the cushioning layer is a foam pad. In another embodiment, the cushioning layer is a soft plastic pad. In other embodiments, the buffer layer is a soft silicone pad. In this manner, stop 450 increases the operational stability of the anti-fall device for a musical toy.

Referring to fig. 4 to 10, the anti-falling device for a music toy further includes a base fixing mechanism 20, wherein the base fixing mechanism 20 includes: a receiving plate 100, an adjusting assembly 200, and a clamping assembly 300. The adjustment assembly 200 and the clamping assembly 300 are both disposed on the adaptor plate 100. The supporting base plate 410 is opened with a fixing opening 402, and the bearing plate 100 is inserted into the fixing opening 402 and connected with the supporting base plate 410. The bearing plate 100 has a connection hole 101 formed in a middle region thereof, and a rotation groove 102 formed on a hole wall of the connection hole 101. The adjustment assembly 200 includes a drive barrel 210, a threaded rod 220, and a connection post 230. A rotating rib 211 is arranged around one end of the driving cylinder 210, one end of the driving cylinder 210 is inserted into the connecting hole 101, and the rotating rib 211 is inserted into the rotating groove 102 and is rotatably connected with the bearing plate 100. One end of the driving cylinder 210 inserted into the connection hole 101 is provided with a rotation handle 212. One end of the driving cylinder 210, which is far away from the rotating handle 212, is provided with a threaded hole 201, a threaded rod 220 is matched with the threaded hole 201, and the threaded rod 220 is inserted into the threaded hole 201 and is rotatably connected with the driving cylinder 210. The end of the threaded rod 220 remote from the drive cylinder 210 is connected to a connecting post 230, the connecting post 230 being prismatic. The clamping assembly 300 includes a clamping bar 310, a threaded connector 320, a rotating threaded sleeve 330, and a number of third compression springs 340. The clamping rod 310 is connected with the bearing plate 100, the clamping rod 310 is provided with an accommodating cavity 301 and an accommodating hole 302, the accommodating cavity 301 is communicated with the accommodating hole 302, the driving cylinder 210 and the threaded rod 220 are accommodated in the accommodating cavity 301, the accommodating hole 302 is matched with the connecting column 230, and the connecting column 230 is inserted into the accommodating hole 302 and is slidably connected with the clamping rod 310. The end of the clamping rod 310 away from the receiving plate 100 is provided with a plurality of clamping claws 311, and the connecting column 230 is elastically abutted with one clamping claw 311 through each third compression spring 340. The threaded connection cylinder 320 is connected with the bearing plate 100, the clamping rod 310 is partially accommodated in the threaded connection cylinder 320, the threaded connection cylinder 320 is matched with the rotary threaded sleeve 330, and the rotary threaded sleeve 330 is sleeved on the threaded connection cylinder 320 and is rotatably connected with the threaded connection cylinder 320.

In the base fixing mechanism 20, the rotating threaded sleeve 330 is rotated to enable the rotating threaded sleeve 330 to move upwards relative to the threaded connecting cylinder 320, and the rotating threaded sleeve 330 moves upwards to enable the clamping claws 311 to compress the third compression springs 340 to draw close each other, so as to clamp and fix the music toy placed on the base fixing mechanism 20. The tightness of the music toy clamped by the clamping assembly 300 can be adjusted by the adjusting assembly 200, the driving cylinder 210 is rotated by rotating the handle 212, the driving cylinder 210 rotates to drive the connecting column 230 to move upwards through the threaded rod 220 by utilizing the screw rod principle, the connecting column 230 moves upwards to drive the plurality of third compression springs 340 to move upwards, the compression degree of the third compression springs 340 is gradually reduced in the upward movement process, the force arm of the upward movement of the rotating threaded sleeve 330 for applying force to the third compression springs 340 through the clamping claws 311 is gradually increased, the resistance encountered by the upward movement of the rotating threaded sleeve 330 is increased, the support stability of the clamping claws 311 by the central movement of the third compression springs 340 close to the clamping claws 311 is increased, and meanwhile, the bending degree of the clamping claws 311 is reduced, so that the music toy with different sizes and specifications is adapted.

In order to increase the working stability of the adjusting assembly 200, please refer to fig. 6, 9 and 10, in one embodiment, the rotating handle 212 includes a connecting member 213 and a handle ring 214, the connecting member 213 is opened with a ring hole 202, and the handle ring 214 is inserted into the ring hole 202 and rotatably connected to the connecting member 213. The handle ring 214 is rotated by applying a force to the handle ring 214 to rotate the driving cylinder 210 through the coupling member 213. In this embodiment, the handle ring 214 is provided with an anti-slip rubber sleeve, which has a certain elasticity, good wear resistance and toughness, and can protect the hand from being frayed by the handle ring 214. In addition, the anti-slip rubber sleeve has certain anti-slip performance, and can increase the friction force between the hand and the handle ring 214. Further, the anti-slip rubber sleeve is provided with anti-slip lines to further increase the friction force between the hand and the handle ring 214. In this manner, the operational stability of the adjustment assembly 200 is increased.

In order to increase the working stability of the clamping assembly 300, in one embodiment, the outer side wall of the rotary threaded sleeve 330 is provided with anti-slip threads to increase the friction between the hand and the rotary threaded sleeve 330 when the rotary threaded sleeve 330 is rotated by a user, so as to facilitate the rotation of the rotary threaded sleeve 330. In another embodiment, a rotation handle is disposed on an outer side wall of the rotation threaded sleeve 330, and a user rotates the rotation threaded sleeve 330 by applying a force to the rotation handle, in this embodiment, the rotation handle is provided with anti-slip threads to increase a friction force between a hand and the rotation threaded sleeve 330 when the user rotates the rotation threaded sleeve 330, so as to facilitate the rotation of the rotation threaded sleeve 330. In another embodiment, the rotary handle is provided with a protective layer, and further, the protective layer is a sponge sleeve which protects the hand and prevents the hand from being abraded by the rotary handle. As such, the operational stability of the clamping assembly 300 is increased.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. A musical toy fall-off prevention device, comprising: the device comprises a support frame, a head fixing mechanism and two arm fixing mechanisms; the head fixing mechanism and the two arm fixing mechanisms are arranged on the support frame;

the two arm fixing mechanisms are symmetrically arranged at two sides of the head fixing mechanism; the arm fixing mechanism comprises a connecting rod, a second L-shaped connecting column, a second compression spring and two second fixing clamps; one end of the connecting rod is connected with the sliding block; one side of the connecting rod, which is back to the supporting bottom plate, is provided with a third taxiway, and the other side of the connecting rod is provided with a fourth taxiway; the third taxiway is in communication with the fourth taxiway; one end of the second L-shaped connecting column penetrates through the third taxiway, and the other end of the second L-shaped connecting column penetrates through the fourth taxiway; the second compression spring is accommodated in the fourth taxiway and is connected with the connecting rod, and the second compression spring is connected with the second L-shaped connecting column; one end of the second L-shaped connecting column penetrating through the fourth taxiway is connected with one second fixing clamp, the other second fixing clamp is connected with one end, far away from the sliding block, of the connecting rod, and the two second fixing clamps are symmetrically arranged.

2. The music toy fall-preventing device according to claim 1, wherein the supporting frame further comprises a blocking piece, one end of the sliding column far away from the supporting bottom plate is connected with the blocking piece, and the width of the blocking piece is larger than that of the sliding hole.

3. The musical toy fall arrest device according to claim 2, wherein the stop block is removably connected to the sliding post.

4. The music toy fall-preventing device as claimed in claim 2, wherein the blocking piece is provided with a slot, and one end of the sliding column far away from the supporting bottom plate is inserted into the slot and connected with the blocking piece.

5. The music toy falling-preventing device as claimed in claim 2, wherein the blocking block is provided with a threaded insertion hole, one end of the sliding column away from the supporting bottom plate is provided with a threaded insertion rod, the threaded insertion rod is matched with the threaded insertion hole, and the threaded insertion rod is inserted into the threaded insertion hole and connected with the blocking block.

6. A musical toy fall arrest device according to claim 2, wherein the barrier is provided with a cushioning layer on the side facing the support floor.

7. The musical toy fall arrest device according to claim 6, wherein the cushioning layer is a soft rubber mat.

8. The musical toy fall arrest device according to claim 6, wherein the cushioning layer is a foam pad.

9. The musical toy fall arrest device according to claim 6, wherein the cushioning layer is a soft plastic cushion.

10. The musical toy fall-off prevention device according to claim 6, wherein the buffer layer is a soft silicone pad.