Portable electronic information teaching test box

Abstract

The utility model discloses a portable electronic information teaching test box, which comprises a test box shell, a protective layer and electronic equipment, and is characterized in that a telescopic mechanism is arranged at the top of the test box shell, a folding mechanism is arranged at the back of the protective layer, and a handle is lifted to drive a third sliding rod to ascend; the interiors of a second sliding rod and a third sliding rod are driven by gears to slide downwards, a telescopic rod operates more stably, then a rotating block is rotated to enable a limiting column to be clamped into a clamping hole, the length of the telescopic rod is locked, universal wheels at the bottom of the test box are matched, electronic equipment is safer during transportation, a rotating handle is rotated to drive a worm to rotate, and the rotating handle is rotated to drive the worm to rotate. The worm drives the worm wheel to rotate, the worm wheel drives the rotating column to rotate, the rotating column drives the sliding block to slide on the rotating column track, the sliding block drives the connecting column to ascend, the universal wheels are hidden in the test box, and the effect of saving space is achieved when the test box is placed.

Description

Technical Field

[0001] The utility model relates to the relevant field of portable electronic information teaching test box, in particular to a portable electronic information teaching test box. Background Art

[0002] Electronic information engineering is an engineering field that combines electronic science and technology with information technology to build a modern information society. It uses the basic theories of electronic science and technology and information technology to solve technical problems in electronic components, integrated circuits, electronic control, instrumentation, computer design and manufacturing, and other fields related to electronic and communication engineering. In the existing technology, during the electronic information teaching process, students are taught the internal structure of the test box and how to use it.

[0003] Application No. CN202320407272.8 discloses a portable electronic information teaching test box. It includes a test box, which is a teaching device for circuit testing, and an upper cover, which is arranged above the test box and is rotatably connected to the test box. The beneficial effects are: through the closed structure of the upper cover and the test box, under the action of the handle, it is convenient to carry the test box, so that the learning efficiency of students in the course is higher, and through the clamping structure of the plug rod and the lock buckle.

[0004] The above-mentioned teaching test box is different from most existing teaching test boxes on the market. When it is necessary to carry heavy electronic equipment, the portable teaching test box is not convenient to carry. The bumps during transportation may cause damage to the electronic equipment in the box, affecting the subsequent teaching work. In addition, the mechanism on the outside of the teaching test box may occupy space resources during storage, causing inconvenience to storage. Utility Model Content

[0005] Therefore, in order to solve the above-mentioned shortcomings, the utility model provides a portable electronic information teaching test box.

[0006] The utility model is implemented in this way, constructing a portable electronic information teaching test box, the device includes a test box shell, a protective layer fixedly embedded in the test box shell, an electronic device installed inside the protective layer, and a cover rotatably connected to the right end of the test box shell, characterized in that it also includes:

[0007] A telescopic mechanism, wherein the telescopic mechanism is installed on the top of the test box shell;

[0008] A folding mechanism is provided on the back of the protective layer.

[0009] Preferably, the telescopic mechanism comprises:

[0010] A first sliding rod, wherein the first sliding rod is fixedly connected to the top of the test box housing;

[0011] A connecting plate, the connecting plate being fixedly connected to the top of the first sliding rod;

[0012] A first rack, wherein the first rack is fixedly connected to the outer side of the connecting plate;

[0013] a gear meshing with the first rack;

[0014] A connecting block, the connecting block is rotatably embedded in the inner side of the gear;

[0015] a second sliding rod, the second sliding rod being fixedly connected to the outer side of the connecting block;

[0016] a second rack meshing with the first rack;

[0017] a third sliding rod, the third sliding rod being fixedly connected to the outer side of the second rack;

[0018] A locking hole, the locking hole being formed on the outer wall of the front end of the first sliding rod;

[0019] A sleeve tube, the sleeve tube is fixedly sleeved on the outer wall of the bottom of the second sliding rod;

[0020] A fixing block, the fixing block being fixedly connected to the front end of the sleeve;

[0021] A rotating block, the rotating block being rotatably connected to the inner side of the fixed block;

[0022] A limiting column, the limiting column is fixedly connected to the rear end of the rotating block;

[0023] A handle, the handle being fixedly connected to the top of the limiting column;

[0024] An anti-skid pad is fixedly sleeved on the outer wall of the middle section of the handle.

[0025] Preferably, the stowage mechanism comprises:

[0026] A socket block, the socket block is fixedly socketed on the left side of the test box shell;

[0027] A rotating handle, wherein the rotating handle is rotatably sleeved on the inner side of the sleeve block;

[0028] A connecting shaft, the connecting shaft is fixedly connected to the right end of the rotating handle, and the connecting shaft is rotatably sleeved on the inner side of the sleeve block;

[0029] A worm, the worm being fixedly connected to the middle of the connecting shaft;

[0030] a worm wheel meshing with the worm;

[0031] A rotating column, the rotating column is rotatably connected to the bottom of the worm gear;

[0032] A sliding block, wherein the sliding block is slidably embedded in the rotating column track;

[0033] A connecting column, the connecting column is fixedly connected to the bottom of the sliding block, and the connecting column is slidably sleeved on the outer diameter of the rotating column;

[0034] A limit block, the limit block is fixedly connected to the outside of the connecting column, and the limit block is slidably connected to the left and right inner walls of the test box shell;

[0035] A universal wheel is fixedly connected to the bottom of the connecting column.

[0036] The utility model has the following advantages: The utility model provides a portable electronic information teaching test box through improvement, which has the following improvements compared with the same type of equipment:

[0037] The utility model discloses a portable electronic information teaching test box, which is provided with a telescopic mechanism located on the top of the test box shell. By pulling the handle, the handle drives the third sliding rod to rise, and the second sliding rod is driven by the gear to slide downward inside the third sliding rod, and the first sliding rod is driven by the gear to slide downward from the second sliding rod, and then the rotating block is rotated to make the limit column fit into the positioning hole, which plays a role in positioning the telescopic rod, so that the telescopic rod can run more smoothly, and cooperates with the universal wheels at the bottom of the test box to make the electronic equipment safer during transportation.

[0038] The portable electronic information teaching test box described in the utility model is provided with a folding mechanism located at the back of the protective layer. By rotating the rotating handle, the rotating handle drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the rotating column to rotate, the rotating column drives the sliding block to slide on the rotating column track, the sliding block drives the connecting column to rise, and the connecting column drives the universal wheel to rise and enter the interior of the test box, which saves space when the test box is placed. BRIEF DESCRIPTION OF THE DRAWINGS

[0039] Figure 1 It is a schematic diagram of the structure of the utility model;

[0040] Figure 2 It is a cross-sectional view of the telescopic mechanism of the utility model;

[0041] Figure 3 The utility model Figure 2 Enlarged view of middle B;

[0042] Figure 4 The utility model Figure 1 A magnified view of middle;

[0043] Figure 5 It is a rear cross-sectional view of the utility model.

[0044] Among them: test box shell-1, protection layer-2, electronic equipment-3, cover-4, telescopic mechanism-5, folding mechanism-6, first sliding rod-51, connecting plate-52, first rack-53, gear-54, connecting block-55, second sliding rod-56, second rack-57, third sliding rod-58, positioning hole-59, socket tube-510, fixed block-511, rotating block-512, limiting column-513, socket block-61, rotating handle-62, connecting shaft-63, worm-64, worm wheel-65, rotating column-66, sliding block-67, connecting column-68, limiting block-69, universal wheel-610. DETAILED DESCRIPTION

[0045] The following is combined with Figures 1 to 5 The principles and features of the present invention are described, and the examples given are only used to explain the present invention, and are not used to limit the scope of the present invention. The present invention is described in more detail in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of the present invention will become clearer according to the following description and claims. It should be noted that the drawings are all in a very simplified form and are not in precise proportions, and are only used to conveniently and clearly assist in explaining the purpose of the embodiments of the present invention.

[0046] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0047] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art in the technical field of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0048] Embodiment 1:

[0049] See also Figure 1 to Figure 5The utility model is a portable electronic information teaching test box, including a test box shell 1, a protective layer 2 fixedly embedded in the test box shell 1, an electronic device 3 installed inside the protective layer 2, a cover 4 rotatably connected to the right end of the test box shell 1, a telescopic mechanism 5 installed on the top of the test box shell 1, and a folding mechanism 6 arranged on the back of the protective layer 2.

[0050] The telescopic mechanism 5 includes a first sliding rod 51, a connecting plate 52, a first rack 53, a gear 54, a connecting block 55, a second sliding rod 56, a second rack 57, a third sliding rod 58, a positioning hole 59, a sleeve 510, a fixed block 511, a rotating block 512, a limiting column 513, a handle and an anti-slip pad. The first sliding rod 51 is fixedly connected to the top of the test box housing 1, the connecting plate 52 is fixedly connected to the top of the first sliding rod 51, the first rack 53 is fixedly connected to the outside of the connecting plate 52, the gear 54 is meshed with the first rack 53, and the connecting block 55 is rotatably embedded in the inner side of the gear 54 The second sliding rod 56 is fixedly connected to the outside of the connecting block 55, the second rack 57 is meshed with the first rack 53, the third sliding rod 58 is fixedly connected to the outside of the second rack 57, the locking hole 59 is opened on the front end outer wall of the first sliding rod 51, the sleeve 510 is fixedly sleeved on the bottom outer wall of the second sliding rod 56, the fixed block 511 is fixedly connected to the front end of the sleeve 510, the rotating block 512 is rotatably connected to the inner side of the fixed block 511, the limiting column 513 is fixedly connected to the rear end of the rotating block 512, the handle is fixedly connected to the top of the limiting column 513, and the anti-slip pad is fixedly sleeved on the outer wall of the middle section of the handle.

[0051] The telescopic mechanism 5 pulls the handle, which drives the third sliding rod 58 to rise, and the second sliding rod 56 is driven by the gear 54 to slide downward inside the third sliding rod 58. The first sliding rod 51 is driven by the gear 54 to slide downward from the second sliding rod 56, and then the rotating block 512 is rotated to make the limiting column 513 fit into the locking hole 59, which plays a role in locking the telescopic rod and makes the telescopic rod run more smoothly. In conjunction with the universal wheel 610 at the bottom of the test box, the electronic device 3 is safer during transportation.

[0052] The first sliding rod 51 , the second sliding rod 56 and the third sliding rod 58 are made of polyphenylene sulfide material, which is resistant to high temperature, chemicals and flame retardant, thereby increasing safety.

[0053] The working principle of a portable electronic information teaching test box based on Example 1 is: the teacher puts the electronic device 3 into the protective layer 2, closes the cover 4, and then pulls the handle, the handle drives the third sliding rod 58 to rise, and then the second rack 57 meshes and descends along the gear 54, the gear 54 drives the second sliding rod 56 to slide downward, and at the same time the first rack 53 meshes and descends along the gear 54, the gear 54 drives the first sliding rod 51 to slide downward, which plays the role of extending and retracting the handle, and then the rotating block 512 is rotated to make the limiting column 513 snap into the locking hole 59, and at the same time different locking holes 59 can be fine-tuned to play the role of locking the telescopic rod. Similarly, when the telescopic rod needs to be retracted, the telescopic rod is released, and then the handle is pressed down to retract the telescopic rod, and then the rotating block 512 is rotated to make the limiting column 513 snap into the last locking hole 59 to complete the retraction.

[0054] Embodiment 2:

[0055] See also Figure 1 to Figure 5 , a portable electronic information teaching test box of the utility model, compared with the first embodiment, this embodiment also includes: the folding mechanism 6 includes a socket block 61, a rotating handle 62, a connecting shaft 63, a worm 64, a worm wheel 65, a rotating column 66, a sliding block 67, a connecting column 68, a limit block 69 and a universal wheel 610, the socket block 61 is fixedly sleeved on the left side of the test box shell 1, the rotating handle 62 is rotatably sleeved on the inner side of the socket block 61, the connecting shaft 63 is fixedly connected to the right end of the rotating handle 62, and the connecting shaft 63 is rotated It is sleeved on the inner side of the sleeve block 61, the worm 64 is fixedly connected to the middle of the connecting shaft 63, the worm wheel 65 is meshed with the worm 64, the rotating column 66 is rotatably connected to the bottom of the worm wheel 65, the sliding block 67 is slidably embedded in the track of the rotating column 66, the connecting column 68 is fixedly connected to the bottom of the sliding block 67, the connecting column 68 is slidably sleeved on the outer diameter of the rotating column 66, the limit block 69 is fixedly connected to the outside of the connecting column 68, and the limit block 69 is slidably connected to the left and right inner walls of the test box shell 1, and the universal wheel 610 is fixedly connected to the bottom of the connecting column 68.

[0056] The folding mechanism 6 rotates the rotating handle 62, and the rotating handle 62 drives the worm 64 to rotate, the worm 64 drives the worm wheel 65 to rotate, the worm wheel 65 drives the rotating column 66 to rotate, the rotating column 66 drives the sliding block 67 to slide on the track of the rotating column 66, the sliding block 67 drives the connecting column 68 to rise, and the connecting column 68 drives the universal wheel 610 to rise and enter the interior of the test box, which saves space when placing the test box.

[0057] The connecting shaft 63 is made of aluminum alloy material, which has good hardness and good wear resistance, thereby increasing the service life.

[0058] In this embodiment: the teacher transports the electronic device 3 to the designated place, and then turns the rotating handle 62, the rotating handle 62 drives the worm 64 to rotate, the worm 64 drives the worm wheel 65 to rotate, the worm wheel 65 drives the rotating column 66 to rotate, when the rotating column 66 rotates, the sliding block 67 slides on the track on the rotating column 66, the sliding block 67 drives the connecting column 68 to rise, the limit block 69 on the connecting column 68 limits the connecting column 68, so that the connecting column 68 can only perform lifting and lowering movements, the connecting column 68 drives the universal wheel 610 to rise, the universal wheel 610 enters the test box to play a hiding role, and plays a role in saving space when the test box is placed.

[0059] The utility model provides a portable electronic information teaching test box through improvement, wherein a telescopic mechanism 5 is arranged at the top of the test box shell 1, and a folding mechanism 6 is arranged at the back of the protective layer 2. By pulling the handle, the handle drives the third sliding rod 58 to rise, and the second sliding rod 56 is driven by the gear 54 to slide downward inside the third sliding rod 58, and the first sliding rod 51 is driven by the gear 54 to slide downward from the second sliding rod 56, and then the rotating block 512 is rotated to make the limiting column 513 snap into the snapping hole 59, which plays a role in snapping the telescopic rod, so that the telescopic rod can run more smoothly, and cooperates with the universal wheel 610 at the bottom of the test box, so that the electronic device 3 is safer during transportation, and by rotating the rotating handle 62, the rotating handle 62 drives the worm 64 to rotate, the worm 64 drives the worm wheel 65 to rotate, the worm wheel 65 drives the rotating column 66 to rotate, and the rotating column 66 drives the sliding block 67 to slide on the rotating column 66 track, the sliding block 67 drives the connecting column 68 to rise, and the connecting column 68 drives the universal wheel 610 to rise and enter the inside of the test box, which plays a role in saving space when the test box is placed.

[0060] The above shows and describes the basic principle, main features and advantages of the utility model, and the standard parts used in the utility model can be purchased from the market, and special-shaped parts can be customized according to the description and the drawings. The specific connection methods of each part adopt mature conventional means such as bolts, rivets, welding, etc. in the prior art. Machinery, parts and equipment all adopt conventional models in the prior art, and the circuit connection adopts the conventional connection method in the prior art, which will not be described in detail here.

[0061] The above description of the disclosed embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A portable electronic information teaching test box, comprising a test box shell (1), a protective layer (2) fixedly embedded in the test box shell (1), an electronic device (3) installed inside the protective layer (2), and a cover (4) rotatably connected to the right end of the test box shell (1), characterized in that: Also includes: A telescopic mechanism (5), wherein the telescopic mechanism (5) is installed on the top of the test box housing (1); A folding mechanism (6) is arranged on the back of the protective layer (2).

2. A portable electronic information teaching test box according to claim 1, characterized in that: The telescopic mechanism (5) comprises: A first sliding rod (51), the first sliding rod (51) is fixedly connected to the top of the test box housing (1); A connecting plate (52), wherein the connecting plate (52) is fixedly connected to the top of the first sliding rod (51); A first rack (53), the first rack (53) being fixedly connected to the outer side of the connecting plate (52); a gear (54), the gear (54) being meshed with the first rack (53); A connecting block (55), wherein the connecting block (55) is rotatably embedded in the inner side of the gear (54); A second sliding rod (56), the second sliding rod (56) is fixedly connected to the outer side of the connecting block (55); a second rack (57), the second rack (57) meshing with the first rack (53); A third sliding rod (58), wherein the third sliding rod (58) is fixedly connected to the outer side of the second rack (57); A locking hole (59), wherein the locking hole (59) is formed on the outer wall of the front end of the first sliding rod (51).

3. A portable electronic information teaching test box according to claim 2, characterized in that: The telescopic mechanism (5) further comprises: A sleeve tube (510), wherein the sleeve tube (510) is fixedly sleeved on the outer wall of the bottom of the second sliding rod (56); A fixing block (511), wherein the fixing block (511) is fixedly connected to the front end of the sleeve (510).

4. A portable electronic information teaching test box according to claim 3, characterized in that: The telescopic mechanism (5) further comprises: A rotating block (512), wherein the rotating block (512) is rotatably connected to the inner side of the fixed block (511); A limiting column (513), wherein the limiting column (513) is fixedly connected to the rear end of the rotating block (512).

5. A portable electronic information teaching test box according to claim 4, characterized in that: The telescopic mechanism (5) further comprises: A handle, the handle being fixedly connected to the top of the limiting column (513); An anti-skid pad is fixedly sleeved on the outer wall of the middle section of the handle.

6. A portable electronic information teaching test box according to claim 5, characterized in that: The stowing mechanism (6) comprises: A socket block (61), wherein the socket block (61) is fixedly socketed on the left side of the test box housing (1); A rotating handle (62), wherein the rotating handle (62) is rotatably sleeved on the inner side of the sleeve block (61); A connecting shaft (63), wherein the connecting shaft (63) is fixedly connected to the right end of the rotating handle (62), and the connecting shaft (63) is rotatably sleeved on the inner side of the sleeve block (61); A worm (64), wherein the worm (64) is fixedly connected to the middle of the connecting shaft (63).

7. A portable electronic information teaching test box according to claim 6, characterized in that: The stowage mechanism (6) further comprises: A worm wheel (65) meshing with the worm (64); A rotating column (66) is rotatably connected to the bottom of the worm gear (65).

8. A portable electronic information teaching test box according to claim 7, characterized in that: The stowage mechanism (6) further comprises: A sliding block (67), wherein the sliding block (67) is slidably embedded in the track of the rotating column (66); A connecting column (68) is fixedly connected to the bottom of the sliding block (67) and is slidably sleeved on the outer diameter of the rotating column (66).

9. A portable electronic information teaching test box according to claim 8, characterized in that: The stowage mechanism (6) further comprises: A limit block (69), wherein the limit block (69) is fixedly connected to the outside of the connecting column (68), and the limit block (69) is slidably connected to the left and right inner walls of the test box housing (1); A universal wheel (610), wherein the universal wheel (610) is fixedly connected to the bottom of the connecting column (68).

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