CN211600101U - Clamping and fixing device for music toy - Google Patents

Clamping and fixing device for music toy Download PDF

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Publication number
CN211600101U
CN211600101U CN202020217936.0U CN202020217936U CN211600101U CN 211600101 U CN211600101 U CN 211600101U CN 202020217936 U CN202020217936 U CN 202020217936U CN 211600101 U CN211600101 U CN 211600101U
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CN
China
Prior art keywords
threaded
clamping
hole
driving cylinder
rod
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Expired - Fee Related
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CN202020217936.0U
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Chinese (zh)
Inventor
何旭乐
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Boluo County Goldlok Electronics Co ltd
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Boluo County Goldlok Electronics Co ltd
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Priority to CN202020217936.0U priority Critical patent/CN211600101U/en
Application granted granted Critical
Publication of CN211600101U publication Critical patent/CN211600101U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a music toy centre gripping fixing device, the one end of driving cylinder is inserted and is located the connecting hole, rotates the arris and inserts and locate to rotate in the groove and with accept the board and rotate and be connected. One end of the driving cylinder inserted in the connecting hole is provided with a rotating handle. The threaded rod is matched with the threaded hole, inserted in the threaded hole and rotationally connected with the driving cylinder. One end of the threaded rod, which is far away from the driving cylinder, is connected with a connecting column, and the connecting column is prismatic. The clamping rod is connected with the bearing plate, the accommodating cavity is communicated with the accommodating hole, the driving cylinder and the threaded rod are accommodated in the accommodating cavity, and the connecting column is inserted in the accommodating hole and is in sliding connection with the clamping rod. The end of the clamping rod, which is far away from the bearing plate, is provided with a plurality of clamping claws, and the connecting column is elastically abutted against one clamping claw through each compression spring. The threaded connection barrel is connected with the bearing plate, the clamping rod part is contained in the threaded connection barrel, the threaded connection barrel is matched with the rotary threaded sleeve, and the rotary threaded sleeve is sleeved on the threaded connection barrel and is rotationally connected with the threaded connection barrel.

Description

Clamping and fixing device for music toy
Technical Field
The utility model relates to a toy field of making especially relates to a music toy centre gripping fixing device.
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.
SUMMERY OF THE UTILITY MODEL
Therefore, it is necessary to provide a clamping and fixing device for a music toy, aiming at the technical problem that the traditional music toy falls down from a high place due to improper placement.
A musical toy clamping fixture, comprising: the bearing plate, the adjusting mechanism and the clamping mechanism; the adjusting mechanism and the clamping mechanism are both arranged on the bearing plate;
a connecting hole is formed in the middle area of the bearing plate, and a rotating groove is formed in the hole wall of the connecting hole;
the adjusting mechanism comprises a driving cylinder, a threaded rod and a connecting column; a rotating edge is arranged around one end of the driving cylinder, one end of the driving cylinder is inserted into the connecting hole, and the rotating edge is inserted into the rotating groove and is rotatably connected with the bearing plate; one end of the driving cylinder inserted into the connecting hole is provided with a rotating handle; one end of the driving cylinder, which is far away from the rotating handle, is provided with a threaded hole, the threaded rod is matched with the threaded hole, and the threaded rod is inserted into the threaded hole and is rotationally connected with the driving cylinder; one end of the threaded rod, which is far away from the driving barrel, is connected with the connecting column, and the connecting column is a prism;
the clamping mechanism comprises a clamping rod, a threaded connecting cylinder, a rotary threaded sleeve and a plurality of compression springs; the clamping rod is connected with the bearing plate, the clamping rod is provided with an accommodating cavity and an accommodating hole, the accommodating cavity is communicated with the accommodating hole, the driving cylinder and the threaded rod are accommodated in the accommodating cavity, the accommodating hole is matched with the connecting column, and the connecting column is inserted into the accommodating hole and is in sliding connection with the clamping rod; one end of the clamping rod, which is far away from the bearing plate, is provided with a plurality of clamping claws, and the connecting column is elastically abutted with one clamping claw through each compression spring; the threaded connection barrel is connected with the bearing plate, the clamping rod is partially contained in the threaded connection barrel, the threaded connection barrel is matched with the rotary threaded sleeve, and the rotary threaded sleeve is sleeved on the threaded connection barrel and is rotationally connected with the threaded connection barrel.
In one embodiment, the rotating handle comprises a connecting piece and a handle ring, wherein an annular hole is formed in the connecting piece, and the handle ring is inserted into the annular hole and is rotatably connected with the connecting piece.
In one embodiment, the handle ring is provided with an anti-slip rubber sleeve.
In one embodiment, the anti-slip rubber sleeve is provided with anti-slip lines.
In one embodiment, a non-slip pad is arranged on one surface of the bearing plate far away from the threaded connecting cylinder.
In one embodiment, the non-slip mat is a soft rubber mat.
In one embodiment, the non-slip mat is a soft plastic mat.
In one embodiment, the anti-skid mat is provided with anti-skid lines.
In one embodiment, the outer side wall of the rotary threaded sleeve is provided with anti-slip threads.
In one embodiment, a rotating handle is arranged on the outer side wall of the rotating threaded sleeve.
Above-mentioned music toy centre gripping fixing device makes the relative threaded connection section of thick bamboo upward movement of rotation thread bush through rotatory thread bush rotates, rotates thread bush upward movement and makes each gripper jaw compress compression spring draws close each other to it is fixed to carry out the centre gripping to the music toy of placing on music toy centre gripping fixing device. The tightness that fixture centre gripping music toy can be adjusted to adjustment mechanism rotates the driving barrel through rotating the handle and rotates, utilizes the lead screw principle, and the driving barrel rotates and drives the spliced pole rebound through the threaded rod, and the spliced pole rebound drives a plurality of compression spring rebound, and at rebound's in-process compression spring's compression degree reduces gradually, rotates the arm of force that the screw thread cover upward movement carried out the application of force to each compression spring through each gripper jaw and increases gradually, rotates the resistance increase that the upward movement of rotation screw thread cover met, and the central motion that each compression spring is close to each gripper jaw has reduced the degree of buckling of each gripper jaw simultaneously to the music toy of adaptation different size specification sizes.
Drawings
FIG. 1 is a schematic view of a music toy holding fixture according to one embodiment;
FIG. 2 is a schematic view of the music toy retaining apparatus of the embodiment of FIG. 1 from another perspective;
FIG. 3 is a schematic view of a portion of a music toy retaining fixture in accordance with an embodiment;
FIG. 4 is a partially disassembled schematic view of a music toy retaining fixture according to one embodiment;
FIG. 5 is a partially disassembled, partially exploded, alternate perspective view of the music toy retaining device of the embodiment of FIG. 4;
fig. 6 is an enlarged view of a portion of the music toy retaining device of the embodiment of fig. 5.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention. In the description of the present invention, it is to be understood that the terms "center", "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, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present 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," and "fixed" are to be construed broadly and may, 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 meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. 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 to 5, the present invention provides a music toy clamping and fixing device 10, wherein the music toy clamping and fixing device 10 includes: a receiving plate 100, an adjusting mechanism 200, and a clamping mechanism 300. The adjustment mechanism 200 and the chucking mechanism 300 are both provided on the socket plate 100. 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 mechanism 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 mechanism 300 includes a clamping bar 310, a threaded connector 320, a rotating threaded sleeve 330, and a number of 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 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.
According to the music toy clamping and fixing device 10, 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 compression springs 340 to be close to each other, so that a music toy placed on the music toy clamping and fixing device 10 is clamped and fixed. The tightness of the music toy clamped by the clamping mechanism 300 can be adjusted by the adjusting mechanism 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 compression springs 340 to move upwards, the compression degree of the 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 each compression spring 340 through each clamping claw 311 is gradually increased, the resistance encountered by the upward movement of the rotating threaded sleeve 330 is increased, the support stability of each clamping claw 311 by the central movement of each compression spring 340 close to each clamping claw 311 is increased, and meanwhile, the bending degree of each clamping claw 311 is reduced, so that the music toy with different sizes and specifications is adapted.
The receiving plate 100 is used for receiving the adjusting mechanism 200 and the clamping mechanism 300, and specifically, the adjusting mechanism 200 and the clamping mechanism 300 are both arranged on the receiving plate 100. 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. In this embodiment, a non-slip pad is disposed on a surface of the bearing plate 100 away from the threaded connector 320. 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 bottom plate 100 and the external platform of placing. Further, the anti-slip lines are arranged on the anti-slip pads to further increase the friction force between the receiving bottom plate 100 and the external placing table, so that the stability of the music toy fixing device placed on the external placing table is increased. In another embodiment, the non-slip mat is a soft plastic mat.
The adjusting mechanism 200 is used for adjusting the clamping tightness of the clamping mechanism, and specifically, the adjusting mechanism 200 comprises a driving cylinder 210, a threaded rod 220 and a connecting column 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 driving cylinder 210 is rotated by rotating the handle 212, the driving cylinder 210 is rotated 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 compression springs 340 to move upwards, the compression degree of the 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 each compression spring 340 through each clamping claw 311 is gradually increased, the resistance met by the upward movement of the rotating threaded sleeve 330 is increased, the supporting stability of each clamping claw 311 by the central movement of each compression spring 340 close to each clamping claw 311 is increased, and meanwhile, the bending degree of each clamping claw 311 is reduced, so that the music toys with different sizes and dimensions are adapted.
The clamping mechanism 300 is used for clamping and fixing the music toy, and specifically, the clamping mechanism 300 includes a clamping rod 310, a threaded connection cylinder 320, a rotary threaded sleeve 330 and a plurality of 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 compression spring 340. In this embodiment, the clamping claws 311 are provided with clamping plates 312 on the surfaces that are close to each other, and further, the clamping plates 312 are provided with anti-slip threads on the surfaces that are close to each other. 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. The rotary threaded sleeve 330 is moved upward relative to the threaded connection cylinder 320 by rotating the rotary threaded sleeve 330, and the rotary threaded sleeve 330 is moved upward such that the clamping claws 311 compress the compression springs 340 to be close to each other, thereby clamping and fixing the music toy placed on the music toy clamping and fixing device 10.
In order to increase the working stability of the adjusting mechanism 200, please refer to fig. 2, fig. 5 and fig. 6, 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 mechanism 200 is increased.
In order to increase the working stability of the clamping mechanism 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. Thus, the operational stability of the chucking mechanism 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 represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. A music toy clamping and fixing device, comprising: the bearing plate, the adjusting mechanism and the clamping mechanism; the adjusting mechanism and the clamping mechanism are both arranged on the bearing plate;
a connecting hole is formed in the middle area of the bearing plate, and a rotating groove is formed in the hole wall of the connecting hole;
the adjusting mechanism comprises a driving cylinder, a threaded rod and a connecting column; a rotating edge is arranged around one end of the driving cylinder, one end of the driving cylinder is inserted into the connecting hole, and the rotating edge is inserted into the rotating groove and is rotatably connected with the bearing plate; one end of the driving cylinder inserted into the connecting hole is provided with a rotating handle; one end of the driving cylinder, which is far away from the rotating handle, is provided with a threaded hole, the threaded rod is matched with the threaded hole, and the threaded rod is inserted into the threaded hole and is rotationally connected with the driving cylinder; one end of the threaded rod, which is far away from the driving barrel, is connected with the connecting column, and the connecting column is a prism;
the clamping mechanism comprises a clamping rod, a threaded connecting cylinder, a rotary threaded sleeve and a plurality of compression springs; the clamping rod is connected with the bearing plate, the clamping rod is provided with an accommodating cavity and an accommodating hole, the accommodating cavity is communicated with the accommodating hole, the driving cylinder and the threaded rod are accommodated in the accommodating cavity, the accommodating hole is matched with the connecting column, and the connecting column is inserted into the accommodating hole and is in sliding connection with the clamping rod; one end of the clamping rod, which is far away from the bearing plate, is provided with a plurality of clamping claws, and the connecting column is elastically abutted with one clamping claw through each compression spring; the threaded connection barrel is connected with the bearing plate, the clamping rod is partially contained in the threaded connection barrel, the threaded connection barrel is matched with the rotary threaded sleeve, and the rotary threaded sleeve is sleeved on the threaded connection barrel and is rotationally connected with the threaded connection barrel.
2. The music toy clamping and fixing device of claim 1, wherein the rotating handle comprises a connecting piece and a handle ring, the connecting piece is provided with a ring hole, and the handle ring is inserted into the ring hole and is rotatably connected with the connecting piece.
3. A musical toy holding fixture as claimed in claim 2, wherein the handle ring is provided with a non-slip rubber sleeve.
4. A musical toy holding fixture as claimed in claim 3, wherein the non-slip rubber boot is provided with non-slip lines.
5. The music toy clamping fixture of claim 1, wherein a non-slip mat is disposed on a side of said adaptor plate remote from said threaded connector.
6. The musical toy holding fixture as claimed in claim 5, wherein the non-slip mat is a soft rubber mat.
7. The musical toy holding fixture as claimed in claim 5, wherein the non-slip mat is a soft plastic mat.
8. A musical toy holding fixture as claimed in claim 5, in which the anti-slip pads are provided with anti-slip lines.
9. The music toy clamping fixture of claim 1, wherein the outer sidewall of said rotating threaded sleeve is provided with anti-slip threads.
10. The music toy clamping fixture of claim 1, wherein a rotating knob is provided on an outer sidewall of said rotating threaded sleeve.
CN202020217936.0U 2020-02-27 2020-02-27 Clamping and fixing device for music toy Expired - Fee Related CN211600101U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020217936.0U CN211600101U (en) 2020-02-27 2020-02-27 Clamping and fixing device for music toy

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020217936.0U CN211600101U (en) 2020-02-27 2020-02-27 Clamping and fixing device for music toy

Publications (1)

Publication Number Publication Date
CN211600101U true CN211600101U (en) 2020-09-29

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202020217936.0U Expired - Fee Related CN211600101U (en) 2020-02-27 2020-02-27 Clamping and fixing device for music toy

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113356443A (en) * 2021-05-31 2021-09-07 北京格林贝斯装饰工程有限公司 Indoor suspended ceiling structure and construction method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113356443A (en) * 2021-05-31 2021-09-07 北京格林贝斯装饰工程有限公司 Indoor suspended ceiling structure and construction method thereof
CN113356443B (en) * 2021-05-31 2022-08-12 北京格林贝斯装饰工程有限公司 Indoor suspended ceiling structure and construction method thereof

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Granted publication date: 20200929