CN2519382Y - Improvement of Fastening Structure of CD Case - Google Patents

Abstract

An improved snap-fit structure of a CD case comprises a lower cover and an upper cover, wherein the lower cover is provided with a positioning column and an arc-shaped baffle, wherein the outer wall of the baffle is provided with a plurality of snap-fit grooves, and the inner wall of the upper cover is provided with a plurality of snap-fit bodies, wherein the upper cover can be placed on the lower cover, and the upper cover can be snap-fitted to the outside of the baffle, and the snap-fit bodies can be snap-fitted to the corresponding snap-fit grooves by virtue of the relative rotation of the lower cover and the upper cover; thereby, an improved snap-fit structure of a CD case can be formed which reduces materials, reduces manufacturing costs, and can save space.

Description

Improvement of Fastening Structure of CD Case

technical field

The utility model relates to an improved fastening structure of a CD case, in particular to a fastening structure of the CD case that can reduce materials, reduce production costs, save space, and prevent breakage and damage. improved.

Background technique

A disc case is a device for storing discs. As shown in FIG. 1, a known disc case is composed of a lower cover 10a and an upper cover 20a, wherein the lower cover 10a is a disc body, which can be used to place CDs, LD, VCD, DVD and other various optical discs, the lower cover 10a is integrally formed with a positioning column 11a at the center. The positioning column 11a has an appropriate height and can be inserted into the upper cover 20a. The hole can be sleeved on the positioning post 11a, and the positioning post 11a is used for positioning.

The upper cover 20a is hollow and has an open bottom, and an accommodating space 21a is formed inside the upper cover 20a for accommodating optical discs. In addition, the bottom of the upper cover 20a is provided with a plurality of horizontally protruding clips 22a, and the edge of the lower cover 10a extends outward to form a ring flange 12a. When the upper cover 20a is placed on the lower cover 10a, the relative rotation of the lower cover 10a and the upper cover 20a can be used to make the engaging pieces 22a snap into the corresponding The lower cover 10a and the upper cover 20a can be firmly fastened together in the locking groove 13a.

However, the snap-fit structure of the above-mentioned known optical disc case must extend outward from the edge of the lower cover 10a to form a flange 12a. The setting of the flange 12a will not only consume more materials, but also increase the production cost. The overall outer diameter of the disc case is increased, which takes up a large space, causing inconvenience in use, and during transportation, the protruding locking pieces 22a are easily broken and damaged due to collisions and other factors.

It can be seen from the above that the above-mentioned snap-fit structure of the known optical disc case obviously has inconveniences and shortcomings in practical use, and needs to be improved.

Contents of the invention

The main purpose of the present utility model is to provide an improved fastening structure of the optical disc case. The lower cover does not need to be provided with an outwardly extending flange, which can reduce materials, reduce production costs, and save space. It is more convenient, and will not cause breakage or damage during transportation.

In order to achieve the above purpose, the utility model provides an improved fastening structure of a disc case, which includes a lower cover and an upper cover. The lower cover is provided with a positioning column and a baffle, and the baffle forms a circle around it. The outer wall of the baffle is provided with a plurality of engaging grooves, and an accommodating space is formed inside the upper cover. The inner wall of the upper cover is provided with a plurality of clamping bodies, the upper cover can be placed on the lower cover, the upper cover can be clamped on the outside of the baffle, and by virtue of the relative rotation of the lower cover and the upper cover, the clamping The body is fastened in the corresponding fastening groove, thereby forming an improved fastening structure of the optical disc case.

In order to enable your examiner to further understand the features and technical content of the utility model, please refer to the following detailed description and drawings of the utility model. However, the drawings are only for reference and illustration, and are not used to limit the utility model .

Description of drawings

FIG. 1 is an exploded perspective view of a conventional optical disc case.

Fig. 2 is a three-dimensional exploded view of the utility model.

Fig. 3 is a three-dimensional combined view of the utility model.

Fig. 4 is a sectional view of the utility model.

FIG. 4A is an enlarged detailed view of part A of FIG. 4 . Label description:

10a: Bottom cover 11a: Positioning post

13a: snap-in slot 20a: upper cover

21a: Storage space 10: Lower cover

11: Positioning column 13: Snap-in slot

15: Insulator 12a: Flange

22a: Snap-in piece 22: Snap-in body

23: Groove 24: Isolator

Detailed ways

Please refer to Fig. 2, Fig. 3 and Fig. 4, the utility model provides an improved fastening structure of a disc case, the disc case is a device for storing discs, the disc case includes a lower cover 10 and an upper cover 20, wherein the lower cover 10 is made of plastic material, which is a disc body, and its top surface can be used to place various optical discs such as CD, LD, VCD, DVD, etc., and the lower cover 10 is integrally formed at the center A hollow positioning column 11 is provided, and the positioning column 11 is vertically erected on the top surface of the lower cover 10. The positioning column 11 has an appropriate height and can extend into the inside of the upper cover 20, and the center hole of the optical disc can be sleeved. On the positioning column 11, the positioning column 11 is used for positioning.

In addition, a plurality of arc-shaped baffles 12 are arranged on the lower cover 10, and the baffles 12 are arranged at equidistant intervals, and the baffles 12 are arranged near the edge of the top surface of the lower cover 10. The baffles 12 form a circle around them, and one end of the outer wall of the baffles 12 is respectively provided with a clamping groove 13, and the clamping grooves 13 extend a proper length along the horizontal direction of the baffle 12, and one end of the clamping grooves 13 is each An inlet 14 with a relatively shallow depth is provided to cooperate with the clamping body 22 of the upper cover 20 .

Another integral molding on this lower cover 10 is provided with a diameter than positioning column 11 and is the circular spacer 15 that is big, and this spacer 15 is positioned at the appropriate distance of the periphery of positioning column 11, and can have pad height effect, is placed on the most for supporting. The lower discs are at an appropriate height to prevent the surface of the lowermost discs from directly contacting the lower cover 10 to avoid scratches on the discs.

The upper cover 20 is made of plastic material, which is a hollow cylinder with an open bottom. An accommodating space 21 is formed inside the upper cover 20 for accommodating optical disks. In addition, a plurality of protruding snap-in bodies 22 are provided near the bottom of the inner wall of the upper cover 20 , and the snap-in bodies 22 correspond to the snap-in slots 13 . The upper cover 20 is further provided with a groove 23 , the groove 23 is located at the top of the upper cover 20 , and the groove 23 corresponds to the upper end of the positioning post 11 .

The upper cover 20 is integrally formed with a circular spacer 24 with a larger diameter than the groove 23. The spacer 24 is located at a suitable distance from the periphery of the groove 23. The spacer 24 is located on the top inner wall of the upper cover 20. It is used to prevent the surface of the optical disc placed on the uppermost layer from directly contacting the upper cover 20 to avoid scratches on the optical disc.

Please refer to Fig. 4 and Fig. 4A, when the upper cover 20 is placed on the lower cover 10, the opening at the bottom of the upper cover 20 can just be snapped onto the outside of the baffle 12, and the upper end of the positioning column 11 of the lower cover 10 can just be fit in the groove 23 of the upper cover 20, and by virtue of the relative rotation of the lower cover 10 and the upper cover 20, the locking bodies 22 are screwed into the corresponding locking grooves 13 through the inlet 14, The lower cover 10 and the upper cover 20 can be fastened together stably; through the above-mentioned composition, the improved fastening structure of the disc case of the present invention can be formed.

The fastening structure of the disc case of the present invention does not need to extend outwards to form a flange on the edge of the lower cover 10 as known, so that the material can be reduced, the production cost can be reduced, and the overall outer diameter of the disc case will not be increased, so it can be It saves space and is more convenient to use, and the clamping body 22 of the utility model is located inside the disc box, so it will not be broken or damaged due to collisions and other factors during transportation.

The above descriptions are only preferred feasible embodiments of the present utility model, and are not intended to limit the patent scope of the present utility model. Therefore, all equivalent structural changes made by using the specification and drawings of the present utility model are all the same. Included within the scope of the present utility model, it is stated together.

Claims (7)

1, a kind of fastening structure of optical disk cartridge improvement is characterized in that: include:

One lower cover which is provided with reference column and baffle plate, and this baffle rings is circular around forming, and this baffle plate outer wall is provided with buckling groove;

One loam cake, its inner accommodation space that forms, this loam cake inwall is provided with locking member, and this loam cake can cover to place down and cover, and this loam cake can be connected in the baffle plate outside, and relies on relatively rotating of lower cover and loam cake, and this locking member is connected in the corresponding buckling groove.

2, as the fastening structure improvement of claim 1 a described optical disk cartridge, it is characterized in that: wherein this lower cover is a disc, and this loam cake is a right cylinder.

3, the fastening structure of optical disk cartridge as claimed in claim 1 improvement is characterized in that: wherein the baffle plate of this lower cover is provided with most, and these baffle plates adopt at interval and are provided with, and these baffle plates are located at down hd top face proximal edge place.

4, the fastening structure of optical disk cartridge as claimed in claim 1 improvement, it is characterized in that: wherein buckling groove one end of this lower cover is provided with the more shallow inlet of the degree of depth.

5, the fastening structure of optical disk cartridge as claimed in claim 1 improvement is characterized in that: wherein to cover and be provided with a diameter in addition be big circular isolated body than reference column in this time.

6, the fastening structure of optical disk cartridge as claimed in claim 1 improvement, it is characterized in that: wherein cover on this and be provided with a groove, this groove is positioned at tops, and this groove is corresponding with the reference column upper end of lower cover, and the reference column upper end of this lower cover can be matched with in the groove of loam cake.

7, the fastening structure of optical disk cartridge as claimed in claim 1 improvement is characterized in that: wherein cover on this and be provided with a circular isolated body.

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