CN2831330Y - Anti-theft CD cartridge - Google Patents

Abstract

The utility model relates to an anti-theft CD drum, which comprises a lower cover and an upper cover, wherein a positioning column is arranged at the center of the lower cover, a ring flange is formed at the edge of the lower cover, a plurality of clamping parts are arranged at the top of the flange at intervals, a clamping groove is respectively formed below each clamping part, a fixing pin capable of being pulled away is arranged on each clamping part, the lower end of the fixing pin extends into the clamping groove below each clamping part, a containing space is formed inside the upper cover and can be used for containing a CD, a plurality of clamping bodies are arranged at the position near the bottom of the outer wall of the upper cover, and fixing holes corresponding to the fixing pins are arranged on each clamping body; the upper cover can be covered on the lower cover, and the lower cover and the upper cover rotate relatively to each other, so that the clamping body is screwed in and clamped in the corresponding clamping groove, and the lower end of the fixing pin is matched in the corresponding fixing hole, thereby having better anti-theft effect.

Description

Anti-theft CD cartridge

technical field

The utility model relates to an anti-theft optical disc cylinder, in particular to a container for storing optical discs, which can have better anti-theft effect.

Background technique

Press, "CD cartridge" and "CD case" are both containers for storing CDs. There are many styles and types of CD cartridges and CD cases on the market, and CD cartridges can accommodate a large number of CDs. slice, and has a larger capacity.

Please refer to Fig. 1, a kind of common disc cartridge, this disc cartridge 8 includes a lower cover 81 and an upper cover 82, this lower cover 81 is a disc body, can be used to place various discs (such as CD, LD) , VCD, DVD, etc.), the lower cover 81 is integrally formed with a hollow positioning column 811 at the center. The positioning column 811 has an appropriate height and can be inserted into the inside of the upper cover 82, so that the center hole of the optical disc is It can be sleeved on the positioning column 811 and positioned by the positioning column 811 .

The upper cover 82 is hollow and has an open bottom. An accommodating space 821 is formed inside the upper cover 82 for accommodating an optical disc. The bottom of the upper cover 82 is provided with a plurality of horizontally protruding engaging pieces 822, and the edge of the lower cover 81 extends outward to form a ring flange 812, and the outer diameter of the flange 812 of the lower cover 81 is larger than that of the upper cover. The outer diameter of 82 enables the flange 812 to protrude from the outer edge of the upper cover 82 , and the flange 812 is provided with a plurality of engaging grooves 813 corresponding to the engaging pieces 822 .

When the upper cover 82 is placed on the lower cover 81, the relative rotation between the lower cover 81 and the upper cover 82 can be used to engage the engaging piece 822 in the corresponding engaging groove 813, so that The lower cover 81 and the upper cover 82 can be firmly snapped together.

When the above-mentioned common CD cartridge 8 and the CD discs contained in it are placed in the store for sale, because the lower cover 81 and the upper cover 82 are simply combined together by snap-fitting, the thief can easily turn the lower cover. 81 separates with loam cake 82, and then takes out the optical disc in the optical disc cylinder, its anti-theft effect is relatively poor. Even if the industry can coat a layer of film 9 on the outside of the disc cylinder, the film 9 can be easily destroyed, and the anti-theft effect is also very poor.

Therefore, the above-mentioned common optical disc cartridges obviously have inconveniences and defects in actual use, and there is room for improvement.

Therefore, I feel that the above-mentioned deficiencies need to be improved, and I have devoted myself to research and combined with the application of theories, and finally proposed a utility model with a reasonable design and effectively improved the above-mentioned deficiencies.

Contents of the invention

The technical problem to be solved by the utility model is to provide an anti-theft disc cylinder structure, which can achieve the effect of locking, so that the thief cannot turn the lower cover and the upper cover to separate and take out the disc inside the disc cylinder, so as to have better anti-theft Effect.

Another object of the present invention is to provide an anti-theft disc cartridge structure, after the disc cartridge is unpacked and opened, the fixing pins are permanently damaged and cannot be restored, so that people can be notified that the disc cartridge has been unpacked and can It can effectively prevent others from secretly opening the CD cartridge to steal the internal CD without being discovered, and can have a better anti-theft effect.

In order to achieve the above object, the utility model provides an anti-theft disc cylinder structure, which is characterized in that: a lower cover, a positioning column is arranged at the center, a ring flange is formed on the edge of the lower cover, and a plurality of a clamping part, a clamping groove is formed under the clamping part, a detachable fixing pin is provided on the clamping part, and the lower end of the fixing pin extends into the clamping groove below the clamping part; an upper cover, An accommodating space is formed inside, a plurality of clamping bodies are provided at the bottom of the outer wall of the upper cover, and fixing holes corresponding to the fixing pins are opened on the clamping bodies; and the upper cover is placed on the lower cover, The clamping body is screwed into and clamped into the corresponding clamping groove, and the lower end of the fixing pin fits into the corresponding fixing hole.

In order to further understand the features and technical contents of the utility model, please refer to the following detailed description and accompanying drawings of the utility model, but the attached drawings are only for reference and illustration, and are not intended to limit the utility model.

The utility model will be described in detail below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the utility model.

Description of drawings

Figure 1 is a three-dimensional assembly diagram of a common optical disc cartridge.

Fig. 2 is a three-dimensional exploded view of the disc cartridge of the present invention.

Figure 2A is a detailed view of part A.

Figure 2B is a detailed view of Part B.

Fig. 3 is a three-dimensional assembled view of the disc cartridge of the present invention.

Fig. 4 is a partial cross-sectional view of the disc cartridge of the present invention.

Among them, reference signs:

8 disc cartridges

81 lower cover

811 positioning column 812 flange

813 snap-in slot

82 cover

821 accommodation space 822 card connector

9 films

1 lower cover

11 positioning column 12 baffle

13 Flange 14 Clamping part

15 snap-in slots 16 isolators

17 Fixed pin 18 Connecting body

2 cover

21 Accommodating space 22 Card connector

221 front end 23 grooves

24 fixing holes 25 bumps

Detailed ways

Please refer to Fig. 2, Fig. 3 and Fig. 4, the utility model provides an anti-theft CD cylinder structure, especially a kind of container for storing many CDs, the CD cylinder includes a lower cover 1 and an upper cover 2, wherein The lower cover 1 is made of plastic material and is a disc body, the top of which can be used to place various optical discs (such as CD, LD, VCD, DVD, etc.), and the shape of the lower cover 1 can also be adjusted according to actual needs. Various changes are made and are not limited.

The lower cover 1 is integrally formed with a positioning column 11 at the center. The positioning column 11 is vertically erected on the top of the lower cover 1. The positioning column 11 can be a hollow cylinder or be composed of a plurality of ribs. The positioning post 11 has an appropriate height and can be used to extend into the inside of the upper cover 2 . The central hole of the optical disc can be sleeved on the positioning post 11 to be positioned by the positioning post 11 . The height of the positioning column 11 can also be matched with the appropriate increase or decrease of the upper cover 2 according to actual needs, that is, when the height of the upper cover 2 increases, the height of the positioning column 11 also increases; when the height of the upper cover 2 decreases, The height of the positioning column 11 also decreases thereupon.

The lower cover 1 is provided with a circular baffle 12, the baffle 12 surrounds continuously or discontinuously, in this embodiment, the baffle 12 surrounds discontinuously, and the baffle 12 is set Near the top edge of the lower cover 1 , the baffle plate 12 can be used to be nested with the edge of the bottom opening of the upper cover 2 , so that the upper cover 2 can be positioned on the lower cover 1 .

The edge of the lower cover 1 extends outwards to form a ring flange 13, the flange 13 is located on the periphery of the baffle plate 12, the outer diameter of the flange 13 of the lower cover 1 is greater than the outer diameter of the upper cover 2, so that the flange 13 Protrude from the outer edge of the loam cake 2 . The flange 13 is provided with a plurality of clamping parts 14 at intervals, and the clamping part 14 is a plate body arranged at a suitable height on the top of the flange 13, and a clamping groove 15 is respectively formed under the clamping part 14, which can be used for Cooperate with the clamping body 22 of the upper cover 2 , a clamping structure is formed by the clamping body 22 and the clamping groove 15 .

The lower cover 1 is integrally formed with a disc-shaped spacer 16 with a larger diameter than the positioning column 11. The spacer 16 is located on the top of the lower cover 1 and is located at a suitable distance from the periphery of the positioning column 11. It can have a pad The high function is used to support the optical disc placed on the lowermost layer at an appropriate height, and can be used to prevent the data area on the surface of the optical disc placed on the lowermost layer from directly contacting the top of the lower cover 1 to avoid scratches on the optical disc.

The upper cover 2 is made of plastic material, it is hollow and the bottom is an open cylinder, the height of the upper cover 2 can be appropriately increased or decreased according to actual needs, that is, the upper cover 2 needs to accommodate more When the optical disc is used, the height can be increased, otherwise the height can be decreased. An accommodating space 21 is formed inside the upper cover 2 for accommodating a plurality of optical discs. The bottom of the outer wall of the upper cover 2 is provided with a plurality of protruding snap-in bodies 22, the snap-in bodies 22 correspond to the snap-in slots 15, and a bump 25 is respectively arranged on the snap-in bodies 22, and the bumps 25 It protrudes a little higher than the top of the locking body 22 , so as to increase the bonding strength between the locking body 22 and the locking groove 15 . The upper cover 2 is further provided with a groove 23 , the groove 23 is located at the center of the top of the upper cover 2 , and the groove 23 corresponds to the upper end of the positioning post 11 .

When the upper cover 2 is placed on the lower cover 1, the opening at the bottom of the upper cover 2 can just fit in the outside of the baffle plate 12, and the upper end of the positioning column 11 of the lower cover 1 can just be inserted into the upper cover. Cover 2 top groove 23, and by the relative rotation of the lower cover 1 and the upper cover 2, the locking body 22 can be screwed into and locked in the corresponding locking groove 15, by these The clamping body 22 and the clamping groove 15 can form a clamping structure, so that the lower cover 1 and the upper cover 2 can be firmly fastened together (as shown in Figure 3), and the bumps 25 on the clamping body 22 can be Collision against the inner wall of the locking groove 15 can increase the bonding strength between the locking body 22 and the locking groove 15 .

The utility model mainly lies in that a fixing pin 17 is integrally formed on each clamping part 14 of the lower cover 1 (as shown in Fig. 2B and Fig. 4). The fixing pin 17 is a cylinder standing on the clamping part 14. The edge of the fixed pin 17 is connected to the clamping part 14 with two or more connecting parts 18, and the upper end of the fixed pin 17 protrudes to an appropriate height at the top of the clamping part 14, so that the fixed pin 17 can be easily pulled out from the upper end. The lower end extends into the engaging slot 15 below the engaging portion 14, and the lower end of the fixing pin 17 is arc-shaped.

In addition, the utility model provides a fixing hole 24 corresponding to the fixing pin 17 on the clamping body 22 of the upper cover 2 (as shown in Figure 2A and Figure 4 ), and the clamping body 22 is clamped to the clamping groove 15 The front end portion 221 of the front end portion 221 is designed to be relatively thin, so as to have the function of guiding the lower end of the fixing pin 17 to enter the fixing hole 24 . Therefore, when the clamping body 22 is screwed into and clamped into the corresponding clamping groove 15, the lower end of the fixing pin 17 can smoothly slide into the fixing hole 24 along the top of the clamping body 22, thereby achieving locking. The effect of above-mentioned composition, forms the utility model anti-theft disc cylinder structure.

When the lower cover 1 and the upper cover 2 of the utility model are snapped together by the snap-in groove 15 and the snap-in body 22, the fixed pin 17 provided on the snap-in portion 14 of the lower cover 1 can be used to slide and fit on the upper cover. A corresponding fixing hole 24 is provided on the snap-in body 22 of the cover 2, thereby achieving the effect of locking, so that the thief cannot turn the lower cover 1 and the upper cover 2 to separate and take out the disc inside the disc cylinder, thereby having better anti-theft Effect.

When the CD cartridge and the CD disc contained in it are sold and want to be unpacked, the fixing pin 17 can be grasped and pulled out from the upper end, because the fixing pin 17 is connected to the clamping part 14 with a breakable connecting part 18 , so force can be applied to pull out the fixing pin 17 and discard, so that the fixing pin 17 is separated from the clamping part 14, and then the fixing pin 17 is separated from the fixing hole 24, so that the clamping body 22 can be unscrewed and disengaged from the clamping groove 15, the lower cover 1 is separated from the upper cover 2, and then the disc inside the disc cartridge can be taken out.

After the disc cartridge of the utility model is unpacked, the fixing pin 17 is permanently damaged and cannot be restored, so people can be informed that the disc cartridge has been unpacked, which can effectively prevent others from secretly opening the disc cartridge and stealing the internal discs. Can not be found, so it has a better anti-theft effect.

To sum up, the utility model can indeed improve the lower cover and the upper cover of the common CD cartridge. The lower cover and the upper cover are simply combined together only by clamping. The thief can easily rotate the lower cover and separate the upper cover, and then take out the disc inside the CD cartridge. , poor anti-theft effect and other issues.

Of course, the utility model can also have other various embodiments, and those skilled in the art can make various corresponding changes and deformations according to the utility model without departing from the spirit and essence of the utility model, but These corresponding changes and deformations should all belong to the protection scope of the appended claims of the present utility model.

Claims (13)

1. An anti-theft disc cartridge, characterized in that it comprises: The center of the lower cover is provided with a positioning column. A ring flange is formed on the edge of the lower cover. A plurality of clamping parts are arranged at intervals on the flange. A clamping groove is formed under each clamping part. The clamping part There is a detachable fixed pin on the top, and the lower end of the fixed pin extends into the clamping groove below the clamping part; An upper cover, which forms an accommodating space inside, a plurality of clamping bodies are provided at the bottom of the outer wall of the upper cover, and fixing holes corresponding to the fixing pins are opened on the clamping bodies; and The upper cover is placed on the lower cover, the clamping body is screwed into and clamped into the corresponding clamping groove, and the lower end of the fixing pin fits into the corresponding fixing hole. 2. The anti-theft optical disc cartridge according to claim 1, wherein the positioning column is vertically erected on the lower cover. 3. The anti-theft optical disc cylinder according to claim 1, wherein the positioning column is a hollow column. 4. The anti-theft optical disc cylinder according to claim 1, wherein the positioning column is composed of a plurality of ribs. 5. The anti-theft optical disc cylinder according to claim 1, characterized in that, the lower cover is provided with a circular baffle, the baffle is arranged near the edge of the top of the lower cover, and the baffle is connected to the bottom opening of the upper cover The edges nest into each other. 6. The anti-theft optical disc cartridge according to claim 1, wherein the clamping parts are plates at a proper height on the top of the flange. 7. The anti-theft disc cylinder according to claim 1, wherein the lower cover is provided with a disk-shaped spacer with a diameter larger than that of the positioning column, and the spacer is arranged on the top of the lower cover and positioned on the positioning column. peripheral. 8. The anti-theft optical disc cartridge according to claim 1, wherein the upper cover is provided with a groove, the groove is located at the center of the top of the upper cover, and the upper end of the lower cover positioning column is inserted and fitted into the top recess of the upper cover. in the slot. 9. The anti-theft optical disc cylinder according to claim 1, wherein the fixing pin is integrally formed on the clamping portion. 10. The anti-theft optical disc cylinder according to claim 1, wherein the fixing pin is a column standing upright on the clamping portion, and the fixing pin is connected to the clamping portion by a connecting portion. 11. The anti-theft optical disc cartridge according to claim 1, wherein the upper end of the fixing pin protrudes from the top of the locking part. 12. The anti-theft optical disc cartridge according to claim 1, wherein the front end of the engaging body is designed to be relatively thin. 13. The anti-theft optical disc cartridge according to claim 1, wherein each engaging body is provided with a bump, and the bump is in contact with the inner wall of the engaging groove.

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