Special mobile memory for teaching

Abstract

The utility model discloses a special mobile memory for teaching, which comprises a USB flash disk and a laser pen, the USB flash disk comprises a shell, a connecting end and a storage core, the inner side of the shell is provided with a cavity, the connecting end and the storage core are slidably connected with the inside of the cavity, the bottom of the cavity is provided with a strip-shaped through hole, and the bottom of the storage core is fixedly provided with a limiting sliding rod and a friction plate. A metal plate is arranged above the shell, the metal plate is connected with the top of the shell through a connecting rod, and two anti-displacement limiting balls are further fixedly arranged at the top of the shell; the limiting sliding rods are located on the inner sides of the strip-shaped through holes and slidably connected with the strip-shaped through holes, the friction plate is located at the bottom of the shell, and a plurality of anti-skid stripes are arranged on the outer surface of the friction plate. A limiting sliding rod fixedly connected to the bottom of the storage core extends into the strip-shaped through hole to form sliding guiding, and the sliding stroke of the limiting sliding rod in the strip-shaped through hole corresponds to telescopic movement of the storage core. The connector has the advantages of being convenient to plug and unplug, not easy to fall off and good in stability.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mobile memory technical field especially relates to a special mobile memory of teaching. BACKGROUND

[0002] In multimedia teaching, teachers need to frequently use U disk to store courseware and demonstrate through laser pens, in the prior art, part of laser pens are designed with U disk slot, but usually adopt the mode of directly inserting square hole to fix U disk, this mode has the following problems: 1, inconvenient to plug, U disk needs to be accurately aligned when inserting, single-handed operation is difficult, especially in the classroom scene, the efficiency is low;2, easy to fall off and lose, the traditional slot lacks effective limiting structure, and U disk is easy to be pulled off due to external force collision.

[0003] Therefore, a special mobile memory for teaching is needed, which can realize quick plugging and combination with stability. SUMMARY

[0004] The utility model discloses a special mobile memory for teaching, which solves the problems of inconvenient plugging, easy falling off and poor stability in the prior art.

[0005] The utility model discloses a following technical scheme to realize the above-mentioned purpose: including U disk and laser pen, the U disk includes shell, connecting end and storage core, the inside of shell is equipped with cavity, the connecting end and storage core are connected with the sliding in the cavity, the bottom of cavity is equipped with strip-shaped through -hole, the bottom of storage core is fixedly equipped with limiting slide and friction plate, the top of shell is equipped with metal sheet, the metal sheet and the top of shell are connected through connecting rod, the top of shell is also fixedly equipped with two anti -displacement limit ball bodies;The storage core realizes telescopic through the cavity sliding.

[0006] Further, the limiting slide is located in the inside of strip-shaped through -hole and is connected with sliding, the friction plate is located at the bottom of shell, and a plurality of antiskid stripes are arranged on the outer surface of friction plate;The limiting slide fixedly connected to the bottom of storage core extends into the strip-shaped through -hole to form a sliding guide, and the sliding stroke of the limiting slide in the strip-shaped through -hole corresponds to the telescopic movement of the storage core.

[0007] Further, the bottom of laser pen is provided with a plug-in sliding groove corresponding to the metal sheet and the connecting rod in cross section.

[0008] Further, one end of the plug-in sliding groove is designed to be open to the outside, a circular magnetic plate is embedded in the inside of the plug-in sliding groove, and the position of the magnetic plate corresponds to the metal sheet;The magnetic plate and the metal sheet form a magnetic attraction connection.

[0009] Further, the limiting ball is designed as a convex half ball, the laser pen bottom is further provided with a spherical groove, the spherical groove position corresponds to one of the limiting ball, the limiting ball, the spherical groove is used for limiting cooperation of the U disk and the laser pen, and a click sound is generated when the connection is completed, which can prompt the user.

[0010] Beneficial effects: the utility model discloses reasonable design has following beneficial effects:

[0011] 1, the utility model discloses the scheme, when U disk is pushed in along the plug-in sliding slot, the magnetic plate automatically adsorbs the metal plate, realizes one-second operation of single hand, and through the magnetic attraction force, the mechanical clamping of limiting ball and spherical groove, double protection avoids U disk to fall off.

[0012] 2, the utility model discloses the scheme, limiting ball and spherical groove when the connection is completed can generate a click sound, which can prompt the user. DRAWINGS

[0013] Fig. 1 It is the structure schematic diagram of the utility model;

[0014] Fig. 2 It is the U disk structure schematic diagram of the utility model;

[0015] Fig. 3 It is the U disk structure sectional view of the utility model;

[0016] Fig. 4 It is the laser pen structure schematic diagram of the utility model.

[0017] In the drawing: 1-U disk, 2-laser pen;

[0018] 11-outer shell, 12-connection end, 13-storage core, 14-bar-shaped through hole, 15-limiting sliding rod, 16-friction plate, 17-metal plate, 18-limiting ball, 21-plug-in sliding slot, 22-magnetic plate, 23-spherical groove. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.

[0020] Combined Figs. 1 to 4The utility model discloses a kind of teaching special mobile memories, including U disk 1 and laser pen 2, U disk 1 includes shell 11, connecting end 12 and storage core 13, cavity is equipped in shell 11 inner side, connecting end 12 and storage core 13 are slidably connected in cavity, cavity bottom is equipped with strip-shaped through-hole 14, storage core 13 bottom is fixedly equipped with limit slide rod 15 and friction plate 16, metal plate 17 is equipped on shell 11 top, metal plate 17 is connected with shell 11 top by connecting rod, shell 11 top is also fixedly equipped with two anti-displacement limit spheres 18;Storage core 13 is slidably connected by cavity to realize telescopic.

[0021] Wherein, limit slide rod 15 is located in the inner side of strip-shaped through-hole 14 and is slidably connected, friction plate 16 is located at the bottom of shell 11, and a plurality of anti-skid stripes are provided on the outer surface of friction plate 16;Limit slide rod 15 fixedly connected to the bottom of storage core 13 extends into strip-shaped through-hole 14 to form a sliding guide, and the sliding stroke of limit slide rod 15 in strip-shaped through-hole 14 corresponds to the telescopic movement of storage core 13.

[0022] Laser pen 2 bottom is equipped with cross section and metal plate 17 and connecting rod corresponding plug-in slot 21.

[0023] One end of plug-in slot 21 is designed to open outward, and a circular magnetic plate 22 is embedded in the inner side of plug-in slot 21, and the position of magnetic plate 22 corresponds to metal plate 17;Magnetic plate 22 and metal plate 17 form a magnetic connection.

[0024] Limit sphere 18 is designed as a convex hemisphere, and laser pen 2 bottom is also provided with spherical groove 23, and the position of spherical groove 23 corresponds to one of limit spheres 18;Limit sphere 18 and spherical groove 23 are used for limiting cooperation of U disk 1 and laser pen 2, and there is a "click" sound when the connection is completed, which can prompt the user.

[0025] Working principle: when the utility model is used, the connecting end 12 and the storage core 13 of the U disk 1 are slidably connected by the cavity to realize the telescopic effect, when in use, press the friction plate 16 and push gently to make the limit slide rod 15 slide along the strip-shaped through-hole 14, and the connecting end 12 is inserted into the computer outside the shell 11;When retracting, push the friction plate 16 back to reset, and the connecting end 12 and the storage core 13 are retracted into the cavity.

[0026] Align the top metal plate 17 of U disk 1 with the plug-in slot 21 of laser pen 2 and push it in, the magnetic plate 22 adsorbs the metal plate 17 to complete the preliminary fixation, and at the same time, the limit sphere 18 is embedded in the spherical groove 23 to form mechanical clamping, and when the limit sphere 18 and the spherical groove 23 are connected, a crisp "click" sound is emitted, prompting the user that the clamping has been completed, and when disassembling, the U disk is pushed gently in the opposite direction, the magnetic force and the clamping force are released, and the quick separation is realized.

[0027] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or the essential characteristics of the present application. Therefore, the embodiments should be considered as exemplary and non-limiting, the scope of the present application being defined by the claims appended hereto rather than by the above description, and all the changes which fall within the meaning and the scope of the equivalent elements of the claims are intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the claims to the figures in which the reference signs are used.

[0028] Furthermore, it should be understood that although the present specification describes only a single independent technical solution for each embodiment, the specification is described in this way only for the sake of clarity, and a person skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by a person skilled in the art.

Claims

1. A portable storage device for teaching purposes, comprising a USB flash drive (1) and a laser pointer (2), characterized in that: The USB flash drive (1) includes a shell (11), a connector (12), and a storage core (13). The shell (11) has a cavity inside. The connector (12) and the storage core (13) are slidably connected to the cavity. The bottom of the cavity has a strip-shaped through hole (14). The bottom of the storage core (13) is fixedly provided with a limiting slide rod (15) and a friction plate (16). The shell (11) has a metal plate (17) on top. The metal plate (17) is connected to the top of the shell (11) by a connecting rod. The top of the shell (11) is also fixedly provided with two anti-displacement limiting balls (18).

2. The portable teaching storage device according to claim 1, characterized in that: The limiting slide bar (15) is located inside the strip-shaped through hole (14) and is slidably connected. The friction plate (16) is located at the bottom of the outer shell (11). The outer surface of the friction plate (16) is provided with several anti-slip stripes.

3. The portable teaching storage device according to claim 2, characterized in that: The bottom of the laser pointer (2) is provided with a slot (21) with a cross-section corresponding to the metal plate (17) and the connecting rod.

4. A portable teaching storage device according to claim 3, characterized in that: One end of the insertion groove (21) is designed to be open to the outside. A circular magnetic plate (22) is embedded in the inner side of the insertion groove (21). The position of the magnetic plate (22) corresponds to that of the metal plate (17).

5. A portable teaching storage device according to claim 4, characterized in that: The limiting sphere (18) is a protruding hemispherical design, and the bottom of the laser pointer (2) is also provided with a spherical groove (23), the position of which corresponds to one of the limiting spheres (18).

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