CN215445684U - Projecting apparatus is used in teaching with stereo set - Google Patents

Abstract

The utility model discloses a projector with a sound for teaching, which has the technical scheme that: the projector comprises a fixed base and a fixed connecting rod, wherein the fixed connecting rod is fixedly arranged above the fixed base, a sound box is fixedly arranged in the fixed connecting rod, a supporting rod is spirally arranged on the left side of the fixed connecting rod, which is close to the upper part, a baffle is fixedly arranged at the end of the supporting rod, a fixed block is slidably arranged on the outer side surface of the supporting rod, a telescopic rod is fixedly arranged below the fixed block, and the lower end of the telescopic rod is fixedly connected with a projector body; the fixed connecting rod is fixedly arranged on the fixed base, the projector body is arranged on the fixed connecting rod in a sliding mode through the fixed block and the telescopic rod, so that the projector can be arranged in various places, the use and the operation are simple, the fixed block slides on the fixed connecting rod to adjust the distance, and the telescopic rod can stretch and can be adjusted up and down, so that the device can better provide convenience for teaching use and is convenient to popularize and use.

Description

Projecting apparatus is used in teaching with stereo set

Technical Field

The utility model relates to the technical field of projector equipment for teaching, in particular to a projector with a sound box for teaching.

Background

A projector, also called a projector, is a device capable of projecting images or videos onto a curtain, and is arranged in many schools and training institutions at present for strengthening informatization teaching, and is used for putting courseware, enriching the content of classroom, and changing the era that the past teaching only can use blackboard and chalk, in the era of electronic informatization, the projector is often used for assisting teaching in the course of middle-school teaching, and can project teaching information, so that a large amount of writing time of teachers is saved, and the teaching information is convenient to observe, the projector is an optical instrument which utilizes an optical element to amplify the outline of a workpiece and projects the workpiece onto a shadow screen, can be used for measuring the outline by transmitted light, can also be used for measuring the surface shape of a through hole and observing the surface of the part by reflected light, and is particularly suitable for measuring complex outlines and small workpieces, such as clock parts, stamping parts, electronic components, templates, dies, threads, gears, forming cutters and the like, has high inspection efficiency and is convenient to use; the method is widely applied to measuring rooms and production workshops, and is particularly suitable for the industries of instruments and meters and clocks.

The prior Chinese patent with the application number of CN201922344019.9 discloses a projector for middle school student teaching, which comprises a projector main body, a clamping device for mounting the projector main body, a mounting plate fixedly mounted on a wall body and an electric telescopic rod fixedly mounted on the outer surface of the lower end of the mounting plate through a bolt, wherein the telescopic end of the electric telescopic rod is fixedly connected with the middle position of the outer surface of the upper end of the projector main body through the clamping device, and a projection lens protection device is arranged on the outer surface of the front end of the projector main body; the projection lens protection device comprises an electromagnet, a spring, a sliding plate, a left front plate and a right front plate. The projector for middle school student teaching can automatically shield the projection lens when the projector is not used, so that external dust is prevented from falling onto the projection lens, people do not need to frequently wipe the projection lens, other personnel are not needed for assisting in the process of mounting and dismounting the projector main body, the projector is convenient to mount and dismount, and better use prospect is brought.

But above-mentioned device can only fixed the setting on the wall or on the ceiling, has very big limitation, and the device is fixed the back, can not adjust projected height and distance, has influenced people's teaching greatly and has used, is unfavorable for using widely.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a teaching projector with a sound to solve the problems that the existing device in the background art only has large fixed use limitation and cannot adjust the height and the distance.

The utility model is realized by the following technical scheme:

the utility model provides a projecting apparatus is used in teaching with stereo set, includes unable adjustment base and fixed connecting rod, and the fixed top that sets up at unable adjustment base of fixed connecting rod, fixed connecting rod internal fixation are provided with the stereo set, and the left side spiral that fixed connecting rod leaned on is provided with the bracing piece, and the end of bracing piece is fixed and is provided with the baffle, and the lateral surface of bracing piece slides and is provided with the fixed block, and the fixed telescopic link that is provided with in below of fixed block, the lower extreme fixedly connected with projecting apparatus body of telescopic link.

Furthermore, a reinforcing block is fixedly arranged on the outer side surface of the joint of the fixed base and the fixed connecting rod.

Through adopting above-mentioned technical scheme, the reinforcing block makes the fastening more that the device junction is connected, has further improved the stability of device.

Furthermore, the left side of fixed block slides and is provided with fixing device, including nested piece, fastening knob, protection pad, the bilateral symmetry of nested piece is provided with the fastening knob, and the lower extreme of fastening knob is fixed and is provided with the protection pad.

Through adopting above-mentioned technical scheme, screw inwards through the fastening knob and exert pressure to the protection pad, act on fixed connecting rod to let the fixed block fixed can not slide.

Furthermore, two sound devices are fixedly arranged and are positioned at the upper part and the lower part in the fixed connecting rod.

Through adopting above-mentioned technical scheme, two stereo sets make the sound that sends that the device can be clear, have guaranteed the good effect that the teaching was used.

Further, the fixed on & off switch and the control key that is provided with in side of projecting apparatus body, the fixed heat dissipation graticule mesh of having seted up in rear.

Through adopting above-mentioned technical scheme, on & off switch controlling means's opening and shutting, the projected angle can be adjusted to the control key, and the projecting apparatus body when heat dissipation graticule mesh makes the operation dispels the heat, forms a good stable temperature environment, increases the result of use and the life of projecting apparatus body.

Furthermore, a damping frame is fixedly arranged below the projector body.

Through adopting above-mentioned technical scheme, the shock attenuation frame can cushion the projecting apparatus body and receive the effect of external force, plays fine guard action to the projecting apparatus body.

Further, the baffle is made of aluminum alloy material

By adopting the technical scheme, the aluminum alloy has low density, high strength which is close to or exceeds that of high-quality steel, good plasticity and corrosion resistance, can be processed into various sectional materials, and reduces the mass of the baffle.

In summary, the utility model mainly has the following beneficial effects:

the utility model provides a projecting apparatus is used in teaching with stereo set, the fixed connecting rod is fixed to be set up on unable adjustment base, the projecting apparatus body passes through fixed block and telescopic link slip setting on fixed connecting rod, the projecting apparatus just can set up in various places like this, need not fix on wall and other objects with the staple, use easy operation, time saving and labor saving, the fixed block slides on fixed connecting rod and carries out far and near regulation, the telescopic link is flexible to be adjusted from top to bottom, make that the device can be better use for teaching provide convenience, the stereo set of setting in fixed connecting rod, do not need to carry alone again, the practicality of device has further been improved, and the convenient for uses widely, effectively solved current device can only fix the problem that the use limitation is big and can not carry out height and distance modulation.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the fixing device.

In the figure: 1. a fixed base; 2. fixing the connecting rod; 3. sounding; 4. a support bar; 5. a baffle plate; 6. a fixed block; 7. a telescopic rod; 8. a projector body; 801. an on-off key; 802. a control key; 803. a heat dissipation grid; 9. a reinforcing block; 10. a fixing device; 1001. sleeving blocks; 1002. fastening a knob; 1003. a protection pad; 11. shock attenuation frame.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clear and fully described, embodiments of the present invention are further described in detail below with reference to the accompanying drawings.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-2, a projector with a sound for teaching comprises a fixed base 1 and a fixed connecting rod 2, wherein the fixed connecting rod 2 is fixedly arranged above the fixed base 1, the sound 3 is fixedly arranged in the fixed connecting rod 2, a supporting rod 4 is spirally arranged at the left side of the fixed connecting rod 2, a baffle 5 is fixedly arranged at the end of the supporting rod 4, a fixed block 6 is slidably arranged on the outer side surface of the supporting rod 4, a telescopic rod 7 is fixedly arranged below the fixed block 6, and the lower end of the telescopic rod 7 is fixedly connected with a projector body 8.

Referring to fig. 1, a reinforcing block 9 is fixedly arranged on the outer side surface of the joint of the fixed base 1 and the fixed connecting rod 2, and the joint of the device is more tightly connected by the reinforcing block 9, so that the stability of the device is further improved.

Referring to fig. 2, the fixing device 10 is slidably disposed on the left side of the fixing block 6 and includes a sleeve 1001, a fastening knob 1002 and a protection pad 1003, the fastening knob 1002 is symmetrically disposed on two sides of the sleeve 1001, the protection pad 1003 is fixedly disposed at the lower end of the fastening knob 1002, and the fastening knob 1002 is screwed inwards to apply pressure to the protection pad 1003 and act on the fixing link 2, so that the fixing block 6 is fixed and cannot slide.

Referring to fig. 1, two sound boxes 3 are fixedly arranged at the upper part and the lower part in a fixed connecting rod 2, and the two sound boxes 3 enable the device to emit sound clearly, so that good teaching effect is guaranteed.

Referring to fig. 1, fixed on & off switch 801 and the control key 802 that is provided with in the side of projector body 8, the fixed heat dissipation graticule mesh 803 of having seted up in rear, on & off switch 801 controlling means's opening and closing, the projected angle can be adjusted to control key 802, heat dissipation graticule mesh 803 makes projector body 8 when moving dispel the heat, forms a good stable temperature environment, increases projector body 8's result of use and life.

Referring to fig. 1, a shock absorption frame 11 is fixedly arranged below the projector body 8, and the shock absorption frame 11 can buffer the effect of external force on the projector body 8 and plays a good role in protecting the projector body 8.

Referring to fig. 1, the baffle 5 is made of aluminum alloy materials, and by adopting the technical scheme, the aluminum alloy has low density, but higher strength which is close to or exceeds that of high-quality steel, has good plasticity and corrosion resistance, can be processed into various profiles, and reduces the mass of the baffle 5.

To sum up, a projecting apparatus is used in teaching with stereo set, fixed connecting rod 2 is fixed to be set up on unable adjustment base 1, projecting apparatus body 8 slides through fixed block 6 and telescopic link 7 and sets up on fixed connecting rod 2, the projecting apparatus just can set up in various places like this, need not fix on wall and other objects with the staple, use easy operation, time saving and labor saving, fixed block 6 slides on fixed connecting rod 2 and carries out far and near regulation, telescopic link 7 is flexible can adjust from top to bottom, make the device can be better use for the teaching and provide convenience, set up stereo set 3 in fixed connecting rod 2, need not carry alone again, the practicality of device has further been improved, and the convenient to popularize and use, effectively solved current device can only fix the problem that the use limitation is big and can not carry out height and distance adjustment.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (7)

1. The utility model provides a projecting apparatus is used in teaching with stereo set, includes unable adjustment base (1) and fixed connecting rod (2), its characterized in that: fixed connecting rod (2) are fixed to be set up the top of unable adjustment base (1), fixed connecting rod (2) internal fixation is provided with stereo set (3), left side spiral that fixed connecting rod (2) leaned on is provided with bracing piece (4), the fixed baffle (5) that are provided with in end of bracing piece (4), the lateral surface of bracing piece (4) slides and is provided with fixed block (6), the fixed telescopic link (7) that are provided with in below of fixed block (6), the lower extreme fixedly connected with projecting apparatus body (8) of telescopic link (7).

2. The projector with audio for teaching according to claim 1, wherein: and a reinforcing block (9) is fixedly arranged on the outer side surface of the joint of the fixed base (1) and the fixed connecting rod (2).

3. The projector with audio for teaching according to claim 1, wherein: the left side of fixed block (6) slides and is provided with fixing device (10), including nested piece (1001), fastening knob (1002), protection pad (1003), the bilateral symmetry of nested piece (1001) is provided with fastening knob (1002), the lower extreme of fastening knob (1002) is fixed and is provided with protection pad (1003).

4. The projector with audio for teaching according to claim 2, wherein: the two sound devices (3) are fixedly arranged and are positioned at the upper part and the lower part in the fixed connecting rod (2).

5. The projector with audio for teaching according to claim 2, wherein: the side of projecting apparatus body (8) is fixed and is provided with on & off key (801) and control key (802), and the fixed heat dissipation graticule mesh (803) of having seted up in rear.

6. The projector with audio for teaching according to claim 1, wherein: and a damping frame (11) is fixedly arranged below the projector body (8).

7. The projector with audio for teaching according to claim 1, wherein: the baffle (5) is made of aluminum alloy material.

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