Multimedia computer teaching instrument
By designing multimedia computer teaching instruments, using structures such as clamping columns, clamping holes, limiting pins and fixed seats, the problem of unfixed projection screen is solved and the difficulty of maintenance is difficult, stable and efficient multimedia teaching imaging effect is achieved, and the disassembly and maintenance process of the screen is simplified.
Patent Information
- Application Number
- CN202420288685.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-07
- Publication Date
- 2025-03-14
- Estimated Expiration
- 2034-02-07
AI Technical Summary
When used in the existing multimedia teaching projection screen, the bottom of the screen lacks effective fixation, which is easily affected by indoor airflow disturbances, and is difficult to maintain and long maintenance time.
A multimedia computer teaching instrument was designed, including a multimedia curtain, a top rack, a fixed seat and a moving piece. Through the design of the clamp column and the clamp hole, the effective fixation of the curtain is achieved; through the design of the limit pin, the disassembly and maintenance process of the curtain is simplified; through the coordination of the fixing seat and the movable parts, the stability of the bottom of the imaging cloth is ensured and airflow disturbance is prevented.
The projection screen is effectively fixed to prevent airflow disturbance from affecting the imaging effect; the screen is disassembled and repaired, and can be restored to normal teaching and use in a short time.
Smart Images
Figure CN222618948U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of teaching instruments, in particular to a multimedia computer teaching instrument. Background Art
[0002] Multimedia teaching means that in the teaching process, according to the teaching objectives and the characteristics of the teaching objects, through teaching design, the modern teaching media are reasonably selected and used, and they are organically combined with traditional teaching methods to jointly participate in the whole teaching process, so as to act on students with a variety of media information, form a reasonable teaching process structure, and achieve the optimal teaching effect; projection screens are needed in the multimedia teaching process.
[0003] When existing multimedia teaching projection screens are in use, the bottom of the screen lacks effective fixation, which is easily affected by indoor air flow disturbances and affects the teaching imaging effect. In addition, the top of the projection screen is mostly connected to the suspension frame with bolts. When the internal driving structure of the projection screen fails, it takes a long time to disassemble it for repair, and it is difficult to resume normal teaching use in a short time. Utility Model Content
[0004] The disclosed embodiment relates to a multimedia computer teaching instrument, which solves the problem that the bottom of the existing multimedia teaching projection screen lacks effective fixation when in use, and is easily affected by indoor air flow disturbance and affects teaching imaging.
[0005] In a first aspect of the present disclosure, a multimedia computer teaching instrument is provided, specifically comprising: a multimedia screen; the multimedia screen is composed of a retractable body, an imaging cloth and a bottom rod, the top of the imaging cloth is connected to the retractable body, and the bottom of the imaging cloth is connected to the bottom rod; a top frame, the top frame is fixedly connected to the wall by bolts, the top of the retractable body is connected to the top frame, and one end of the top frame is connected to a limit pin; a fixing seat, the fixing seats are provided with two, the two fixing seats are fixedly connected to the wall by bolts, and the fixing seats are connected to the bottom rod; a movable part is connected to the outside of the fixing seat, and the two ends of the bottom rod are respectively in contact with the two movable parts.
[0006] In at least some embodiments, three mushroom-shaped clamping posts are provided on the top of the retracting body, and three clamping holes are provided inside the top frame. The diameter of one end of the clamping hole is equal to the diameter of the bottom of the clamping post, and the diameter of the other end of the clamping hole is equal to the diameter of the top of the clamping post. The clamping post is movably connected in the clamping hole, and the top of the clamping post is in contact with the top side of the top frame.
[0007] In at least some embodiments, a limiting groove is provided at one end of the top of the retracting body, a limiting hole is provided at one end of the top frame, and the limiting hole is communicated with the limiting groove.
[0008] In at least some embodiments, the limit pin is inserted into the limit hole, and the bottom end of the limit pin is inserted into the limit groove. When the card column is inserted into the end of the card hole with a larger diameter, the multimedia screen is pushed to move the card column to the end of the card hole with a smaller diameter, and the multimedia screen is supported by the top frame. At this time, the limit hole and the limit groove are in a connected state, and the limit pin is inserted into the limit hole and the limit groove in the connected state, thereby fixing the multimedia screen.
[0009] In at least some embodiments, a fixed groove is provided inside the fixed seat, a movable groove is provided inside the movable member, the movable groove is connected to the fixed groove, and the end of the bottom rod is located in the connected fixed groove and the movable groove.
[0010] In at least some embodiments, the bottom rod is provided with two positioning grooves near both ends, and the fixing seat is connected to the positioning grooves.
[0011] In at least some embodiments, the movable member is rotatably connected to the fixed seat, and a handle is provided on the outside of the movable member, and the handle is oriented at 90 degrees to the movable groove.
[0012] The utility model provides a multimedia computer teaching instrument, which has the following beneficial effects:
[0013] When the utility model is in use, when the clamping column is inserted into the end of the clamping hole with a larger diameter, the multimedia screen is pushed, so that the clamping column moves to the end of the clamping hole with a smaller diameter, and the multimedia screen is supported by the top frame. At this time, the limiting hole and the limiting groove are in a connected state, and the limiting pin is inserted into the limiting hole and the limiting groove in the connected state, so as to fix the multimedia screen. When the multimedia screen fails, the limiting pin is pulled out, and the multimedia screen is pushed in the reverse direction, so that the multimedia screen can be disassembled from the bottom of the top frame, making the disassembly and assembly of the multimedia screen easier, and the disassembled multimedia screen can be repaired, so that normal multimedia teaching can be restored in a short time.
[0014] In addition, when the bottom rod falls to the bottom, the end of the bottom rod is located in the fixed seat and the movable part, the fixed seat is located in the positioning groove, and the movable part rotates under the influence of the gravity of the handle, so that the movable part contacts the top of the bottom rod. Through the cooperation of the fixed seat and the movable part, the bottom rod is limited and fixed front and back, up and down, and left and right, ensuring the stability of the bottom state of the imaging cloth, protecting the imaging cloth from airflow disturbances, and thereby ensuring the multimedia imaging teaching effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] In order to more clearly illustrate the technical solution of the embodiment of the utility model, the drawings of the embodiment will be briefly introduced below.
[0016] The drawings described below only relate to some embodiments of the present invention, but are not intended to limit the present invention.
[0017] In the attached picture:
[0018] Figure 1 The overall axial side structure schematic diagram of the present application is shown;
[0019] Figure 2 A schematic diagram of the axial side structure of the multimedia screen of the present application is shown;
[0020] Figure 3 A schematic diagram of the split structure of the top frame and the limit pin of the present application is shown;
[0021] Figure 4 A schematic diagram of the connection structure between the fixed seat and the movable member of the present application is shown;
[0022] Figure 5 A schematic diagram of the shaft side structure of the movable part of the present application in a rotating state is shown.
[0023] Reference numerals list
[0024] 1. Multimedia screen; 11. Retractable main body; 1101. Clamping column; 1102. Limiting groove; 12. Imaging cloth; 13. Bottom rod; 1301. Positioning groove;
[0025] 2. Top frame; 201. Clamp hole; 202. Limit hole;
[0026] 3. Limit pin;
[0027] 4. Fixed seat; 401. Fixed slot;
[0028] 5. movable part; 501. movable slot; 502. handle. DETAILED DESCRIPTION
[0029] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution of the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings of the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the described embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0030] Example 1: Please refer to Figures 1 to 5 :
[0031] The utility model proposes a multimedia computer teaching instrument, comprising: a multimedia screen 1, a top frame 2 and a fixing seat 4; the multimedia screen 1 is composed of a retractable body 11, an imaging cloth 12 and a bottom rod 13, the top of the imaging cloth 12 is connected to the retractable body 11, and the bottom of the imaging cloth 12 is connected to the bottom rod 13; the top frame 2 is fixedly connected to the wall by bolts, the top of the retractable body 11 is connected to the top frame 2, and one end of the top frame 2 is connected to a limit pin 3; two fixing seats 4 are provided, and the two fixing seats 4 are fixedly connected to the wall by bolts. The fixing seat 4 is connected to the bottom rod 13; the fixing seat 4 is connected to the outside of the fixing seat 4, and the two ends of the bottom rod 13 are respectively in contact with the two movable parts 5; three clamping columns 1101 are provided on the top of the retracting body 11, and the clamping columns 1101 are mushroom-shaped. Three clamping holes 201 are provided inside the top frame 2, and the diameter of one end of the clamping hole 201 is equal to the diameter of the bottom of the clamping column 1101, and the diameter of the other end of the clamping hole 201 is equal to the diameter of the top of the clamping column 1101. The clamping column 1101 is movably connected in the clamping hole 201, and the top of the clamping column 1101 The top side of the top frame 2 is in contact with a limit groove 1102 at one end of the top of the retracting body 11, and a limit hole 202 is provided at one end of the top frame 2, and the limit hole 202 is connected with the limit groove 1102; the limit pin 3 is inserted into the limit hole 202, and the bottom end of the limit pin 3 is inserted into the limit groove 1102. When the clamping column 1101 is inserted into the end with a larger diameter of the clamping hole 201, the multimedia screen 1 is pushed to move the clamping column 1101 to the end with a smaller diameter of the clamping hole 201, and the multimedia screen 1 is supported by the top frame 2. At this time, the limiting hole 202 and the limiting groove 1102 are in a connected state, and the limiting pin 3 is inserted into the limiting hole 202 and the limiting groove 1102 in the connected state, so as to fix the multimedia screen 1. When the multimedia screen 1 fails, the limiting pin 3 is pulled out and the multimedia screen 1 is pushed in the reverse direction, so that the multimedia screen 1 can be removed from the bottom of the top frame 2, making it easier to disassemble and assemble the multimedia screen 1. The detachable multimedia screen 1 can be repaired so that normal multimedia teaching can be restored in a short time.
[0032] Embodiment 2, on the basis of embodiment 1, a fixed groove 401 is provided inside the fixed seat 4, a movable groove 501 is provided inside the movable member 5, the movable groove 501 is connected with the fixed groove 401, the end of the bottom rod 13 is located in the fixed groove 401 and the movable groove 501 in the connected state, the bottom rod 13 is provided with two positioning grooves 1301 near both ends, the fixed seat 4 is connected in the positioning groove 1301, the movable member 5 is rotatably connected with the fixed seat 4, and a handle 502 is provided outside the movable member 5, and the handle 502 is oriented at 90 degrees with the movable groove 501 ; By adopting the above technical solution, when the bottom rod 13 falls to the bottom, the end of the bottom rod 13 is located in the fixed seat 4 and the movable part 5, the fixed seat 4 is located in the positioning groove 1301, and the movable part 5 rotates under the influence of the gravity of the handle 502, so that the movable part 5 contacts the top of the bottom rod 13. Through the cooperation between the fixed seat 4 and the movable part 5, the bottom rod 13 is limited and fixed front and back, up and down, and left and right, thereby ensuring the stability of the bottom state of the imaging cloth 12, protecting the imaging cloth 12 from the influence of airflow disturbance, and thus ensuring the multimedia imaging teaching effect.
[0033] The working principle of this embodiment is as follows: first, insert the clamping column 1101 into the end with a larger diameter of the clamping hole 201, push the multimedia screen 1, and make the clamping column 1101 move to the end with a smaller diameter of the clamping hole 201, and support the multimedia screen 1 through the top frame 2; at this time, the limiting hole 202 and the limiting groove 1102 are in a connected state, and the limiting pin 3 is inserted into the limiting hole 202 and the limiting groove 1102 in the connected state, so as to fix the multimedia screen 1; the retracting mechanism inside the retracting body 11 drives the imaging cloth 12 to move downward, so that the bottom rod 13 falls to the bottom, and the end of the bottom rod 13 is located in the fixing seat 4 and the movable member 5, and the fixing seat 4 is located in the positioning groove 130 1, the movable part 5 rotates under the influence of the gravity of the handle 502, so that the movable part 5 contacts the top of the bottom rod 13, and the fixed seat 4 cooperates with the movable part 5 to limit and fix the bottom rod 13 front and back, up and down, and left and right, thereby ensuring the stability of the bottom state of the imaging cloth 12, and the teaching picture can be projected on the imaging cloth 12 for teaching; when the multimedia screen 1 fails, the limit pin 3 is pulled out, and the multimedia screen 1 is pushed in the reverse direction, so that the multimedia screen 1 can be disassembled from the bottom of the top frame 2, making it easier to disassemble and assemble the multimedia screen 1, and the disassembled multimedia screen 1 can be repaired, so that it can resume normal multimedia teaching in a short time.
[0034] In this article, there are a few points to note:
[0035] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.
[0036] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.
[0037] The above are only specific embodiments of the present disclosure, but the protection scope of the present disclosure is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed in the present disclosure, which should be included in the protection scope of the present disclosure. Therefore, the protection scope of the present disclosure should be based on the protection scope of the claims.
Claims
1. A multimedia computer teaching instrument, comprising: A multimedia screen (1); the multimedia screen (1) is composed of a retractable body (11), an imaging cloth (12) and a bottom rod (13); the top of the imaging cloth (12) is connected to the inside of the retractable body (11), and the bottom of the imaging cloth (12) is connected to the bottom rod (13); characterized in that the top frame (2) is fixedly connected to the wall by bolts, the top of the retractable body (11) is connected to the top frame (2), and one end of the top frame (2) is connected to a limit pin (3); a fixing seat (4), the fixing seat (4) is provided with two, the two fixing seats (4) are fixedly connected to the wall by bolts, and the fixing seat (4) is connected to the bottom rod ( 13); the fixed seat (4) is externally connected with a movable part (5), and the two ends of the bottom rod (13) are respectively in contact with the two movable parts (5); the top of the retracting body (11) is provided with three clamping columns (1101), the clamping columns (1101) are mushroom-shaped, and the top frame (2) is provided with three clamping holes (201), the diameter of one end of the clamping hole (201) is equal to the diameter of the bottom of the clamping column (1101), and the diameter of the other end of the clamping hole (201) is equal to the diameter of the top of the clamping column (1101), the clamping column (1101) is movably connected in the clamping hole (201), and the top of the clamping column (1101) is in contact with the top side of the top frame (2).
2. A multimedia computer teaching instrument according to claim 1, characterized in that: A limiting groove (1102) is provided at one end of the top of the retracting body (11), and a limiting hole (202) is provided at one end of the top frame (2), wherein the limiting hole (202) is in communication with the limiting groove (1102).
3. A multimedia computer teaching instrument according to claim 2, characterized in that: The limiting pin (3) is inserted into the limiting hole (202), and the bottom end of the limiting pin (3) is inserted into the limiting groove (1102).
4. A multimedia computer teaching instrument according to claim 1, characterized in that: The fixing seat (4) is provided with a fixing groove (401) inside, the movable member (5) is provided with a movable groove (501) inside, the movable groove (501) is connected to the fixing groove (401), and the end of the bottom rod (13) is located in the fixed groove (401) and the movable groove (501) in a connected state.
5. A multimedia computer teaching instrument according to claim 1, characterized in that: The bottom rod (13) is provided with two positioning grooves (1301) near both ends, respectively, and the fixing seat (4) is connected to the positioning grooves (1301).
6. A multimedia computer teaching instrument according to claim 1, characterized in that: The movable member (5) is rotatably connected to the fixed seat (4); a handle (502) is provided outside the movable member (5); the handle (502) and the movable groove (501) are oriented at 90 degrees.