CN211293976U

CN211293976U - Screw fastening type CF card shell structure

Info

Publication number: CN211293976U
Application number: CN202020374391.4U
Authority: CN
Inventors: 李超凡; 莫金堂; 李垚; 张建明
Original assignee: Shenzhen Chuangyitong Technology Co Ltd
Current assignee: Shenzhen Chuangyitong Technology Co Ltd
Priority date: 2020-03-23
Filing date: 2020-03-23
Publication date: 2020-08-18
Anticipated expiration: 2030-03-23

Abstract

The utility model discloses a screw fastening type CF card shell structure, which comprises a lower cover and an upper cover; the lower cover comprises a lower cover plate and a lower frame; the lower frame and the lower cover plate are embedded, molded and fixed together; this upper cover and lower cover are from top to bottom spliced and enclose and become an opening holding chamber forward, and the upper cover is including upper cover plate and upper frame, and this upper frame is together fixed with the upper cover plate inlay shaping to through concave position and convex part cooperation direction location between this upper frame and the lower frame, simultaneously through the screw lock solid between lower frame and the upper frame. Through the fixed knot who adopts screw and screw hole lock solid structure to through concave position and convex part cooperation direction location between cooperation upper frame and the lower frame, not only make CF card shell's cohesion and prevent that the distortion power performance improves greatly, the phenomenon of dislocation, off normal can not appear in the assembling process yet, in addition, metal covering about screw fastening structure can also be connected, thereby the operating condition that makes CF card shell is more stable.

Description

Screw fastening type CF card shell structure

Technical Field

The utility model relates to a CF card protects fixed field technique, especially indicates a screw fastening type CF card shell structure.

Background

The CF card (Compact Flash) was originally a data storage device for portable electronic devices. As a storage device, it revolutionarily uses flash memory, which was first produced and specified by SanDisk corporation in 1994. Currently, its physical format has been adopted by various devices, and since the storage density of the nor type flash memory used is lower than that of the newer nand type flash memory, the CF card is the largest volume of the three types of memory cards appearing in the early 90 s, and the CF card has also been changed to the nand type flash memory later.

The prior CF card shell adopts the ultrasonic welding of the upper cover and the lower cover to carry out fixed installation in the manufacturing process, the CF card shell adopting the fixed structure has obvious defects in the aspects of binding force and distortion prevention force, has great falling risk when a product falls, has poor structural stability, is easy to have the phenomena of dislocation and deviation in the assembling process, and has no grounding function in the prior CF card shell structure, so that the working state is not stable enough, and therefore, the prior CF card shell structure is necessary to be further improved.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides a screw fastening type CF card housing structure, which can effectively solve the problems of insufficient binding force and anti-twisting force, poor structural stability, inconvenient assembly process and unstable working condition of the conventional CF card housing structure.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a screw fastening type CF card shell structure comprises a lower cover and an upper cover; the lower cover comprises a lower cover plate and a lower frame; the lower frame is embedded, molded and fixed with the left side edge, the right side edge and the rear side edge of the lower cover plate; this upper cover and lower cover are gone up and are assembled and enclose and become an opening holding chamber forward, and the upper cover is including upper cover plate and upper frame, and the side is inlayed the shaping with the back side about this upper frame and upper cover plate and is fixed together to through concave position and convex part cooperation direction location between this upper frame and the lower frame, simultaneously through the screw lock solid between lower frame and the upper frame.

As a preferred scheme, the left side edge, the right side edge and the rear side edge of the lower cover plate are both bent upwards to extend out to form a plurality of lower embedded parts, the lower embedded parts are arranged at intervals, and the lower embedded parts are all embedded into the lower frame to be fixed.

As a preferred scheme, the left side edge, the right side edge and the rear side edge of the upper cover plate are both bent downwards to extend out of a plurality of upper embedded parts, the upper embedded parts are arranged at intervals, and the upper embedded parts are all embedded into the upper frame to be fixed.

Preferably, the convex part is arranged to protrude upwards on the inner side periphery of the lower frame, and the concave part is arranged to be concave upwards on the inner side periphery of the upper frame.

As a preferred scheme, a plurality of through holes penetrating through the upper surface and the lower surface of the upper frame are formed in the upper frame, threaded holes opposite to the through holes in a matched mode are formed in the lower frame, and the screws penetrate through the through holes to be screwed with the threaded holes to be connected and fixed.

As a preferred scheme, the through-holes are 4 that the interval was arranged, and its distribution is in the edge of upper frame, and what correspond, the screw hole is 4 that the interval was arranged also, and its distribution is in the edge of lower frame.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, can know by above-mentioned technical scheme:

through the fixed knot who adopts screw and screw hole lock solid structure to through concave position and convex part cooperation direction location between cooperation upper frame and the lower frame, not only make CF card shell's cohesion and prevent that the distortion power performance improves greatly, the structural stability of CF card shell is also better moreover, the phenomenon of dislocation, off normal can not appear in the assembling process yet, in addition, metal covering about screw fastening structure can also be connected, make CF card shell possess the ground function, thereby make the operating condition of CF card shell more stable.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a schematic perspective view of a preferred embodiment of the present invention;

FIG. 2 is an exploded view of the preferred embodiment of the present invention;

FIG. 3 is an exploded view of another embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of a preferred embodiment of the present invention;

fig. 5 is a schematic cross-sectional view of another preferred embodiment of the present invention.

The attached drawings indicate the following:

10. lower cover 101 and accommodating cavity

102. Concave part 103, convex part

104. Through hole 105, screw hole

11. Lower cover plate 111, lower insertion part

12. Lower frame 20 and upper cover

21. Upper cover plate 211, upper fitting part

22. Upper frame 30, screws.

Detailed Description

Referring to fig. 1 to 5, a specific structure of a preferred embodiment of the present invention is shown, which includes a lower cover 10 and an upper cover 20.

The lower cover 10 comprises a lower cover plate 11 and a lower frame 12; the left side edge, the right side edge and the rear side edge of the lower cover plate 11 are both bent upwards to extend a plurality of lower embedded parts 111, and the plurality of lower embedded parts 111 are arranged at intervals; the lower frame 12 is U-shaped, and the lower frame 12 is fixed to the left and right sides and the rear side of the lower cover plate 11 by insert molding, and in this embodiment, the lower insertion portions 111 are fixed by being inserted into the lower frame 12.

The upper cover 20 and the lower cover 10 are vertically spliced and form an accommodating cavity 101 with a forward opening in a surrounding manner, and the upper cover 20 comprises an upper cover plate 21 and an upper frame 22; the left side edge, the right side edge and the rear side edge of the upper cover plate 21 are both bent downwards to extend a plurality of upper embedded parts 211, and the plurality of upper embedded parts 211 are arranged at intervals; the upper frame 22 is U-shaped, the upper frame 22 is fixed with the left and right sides and the rear side of the upper cover plate 21 by insert molding, and the upper frame 22 and the lower frame 12 are guided and positioned by matching of a concave part 102 and a convex part 103, and meanwhile, the lower frame 12 and the upper frame 22 are fastened by a screw 30; in the present embodiment, the plurality of upper embedding portions 211 are embedded in the upper frame 22 and fixed; the convex part 103 is arranged on the inner side periphery of the lower frame 12 in an upward convex mode, and the concave part 102 is arranged on the inner side periphery of the upper frame 22 in an upward concave mode; the upper frame 22 is provided with a plurality of through holes 104 penetrating through the upper surface and the lower surface of the upper frame 22, the lower frame 12 is provided with a threaded hole 105 which is matched and opposite to the through holes 104, and the screw 30 passes through the through holes 104 and is screwed and connected with the threaded hole 105 for fixation; the through holes 104 are 4 at intervals, and are distributed at the corners of the upper frame 22, and correspondingly, the threaded holes 105 are also 4 at intervals, and are distributed at the corners of the lower frame 12.

Detailed description the utility model discloses an assembly process as follows:

during the equipment, it is together fixed with lower frame 12 embedding shaping earlier to inlay lower cover plate 11, it is fixed in lower frame 12 that a plurality of lower embedding portions 111 imbed, thereby lower cover 10 is accomplished in the preparation, then it is together fixed with upper cover plate 21 and last frame 22 embedding shaping, it is fixed in frame 22 that a plurality of last embedding portions 211 imbed, thereby upper cover 20 is accomplished in the preparation, then put upper cover 20 on lower cover 10, coordinate the location through concave position 102 and convex part 103, and make the position of through-hole 104 correspond with the position of screw hole 105 respectively, then with screw 30 from last to down insert behind through-hole 104 with screw hole 105 spiral shell joint fixed, finally around forming the holding chamber 101 that the opening is preceding between upper cover 20 and the lower cover 10, thereby accomplish the utility model discloses an equipment.

The utility model discloses a design focus lies in: through the fixed knot who adopts screw and screw hole lock solid structure to through concave position and convex part cooperation direction location between cooperation upper frame and the lower frame, not only make CF card shell's cohesion and prevent that the distortion power performance improves greatly, the structural stability of CF card shell is also better moreover, the phenomenon of dislocation, off normal can not appear in the assembling process yet, in addition, metal covering about screw fastening structure can also be connected, make CF card shell possess the ground function, thereby make the operating condition of CF card shell more stable.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modifications, equivalent changes and modifications made by the technical spirit of the present invention to the above embodiments are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a screw fastening type CF card shell structure which characterized in that: comprises a lower cover and an upper cover; the lower cover comprises a lower cover plate and a lower frame; the lower frame is embedded, molded and fixed with the left side edge, the right side edge and the rear side edge of the lower cover plate; this upper cover and lower cover are gone up and are assembled and enclose and become an opening holding chamber forward, and the upper cover is including upper cover plate and upper frame, and the side is inlayed the shaping with the back side about this upper frame and upper cover plate and is fixed together to through concave position and convex part cooperation direction location between this upper frame and the lower frame, simultaneously through the screw lock solid between lower frame and the upper frame.

2. The screw-fastening type CF card case structure of claim 1, wherein: the side and the back side all upwards bend to extend and have a plurality of lower embedding portions about the lower apron, and a plurality of lower embedding portions are arranged at intervals, and a plurality of lower embedding portions are all fixed in the frame down.

3. The screw-fastening type CF card case structure of claim 1, wherein: the side and the back side all bend downwards about the upper cover plate and extend and have a plurality of embedding parts on, a plurality of embedding parts interval are arranged on going up, and it is fixed in the frame all to imbed in a plurality of embedding parts.

4. The screw-fastening type CF card case structure of claim 1, wherein: the convex part is arranged on the inner side periphery of the lower side frame in an upward protruding mode, and the concave part is arranged on the inner side periphery of the upper side frame in an upward concave mode.

5. The screw-fastening type CF card case structure of claim 1, wherein: the upper frame is provided with a plurality of through holes penetrating through the upper surface and the lower surface of the upper frame, the lower frame is provided with threaded holes opposite to the through holes in a matched mode, and the screws penetrate through the through holes to be screwed with the threaded holes to be connected and fixed.

6. The screw-fastening type CF card case structure of claim 5, wherein: the through-hole is 4 that the interval was arranged, and its distribution is in the edge of last frame, and what correspond, the screw hole also is 4 that the interval was arranged, and its distribution is in the edge of lower frame.