CN220647680U - Projection arrangement for education under line - Google Patents

Abstract

The utility model provides a projection device for offline education, which relates to the technical field of projection devices and comprises an adjusting mechanism, wherein the outer surface wall of the adjusting mechanism is movably sleeved with a fixing mechanism, the adjusting mechanism comprises a supporting column, the outer surface wall of the supporting column is provided with threads, the outer surface wall of the threads is rotatably connected with a first nut, the outer surface wall of the supporting column is provided with a group of first holes, the top of the supporting column is provided with a telescopic hole, and the inner surface wall of the telescopic hole is movably inserted with a telescopic rod. According to the utility model, when the device is used, the adjustment of different heights is met through the up-and-down movement of the telescopic rod under the action of the adjusting mechanism, the projectors with different sizes and different specifications can be adapted through the movement of the limiting plate, the limitations in the use of the existing device are solved, the replacement cost of a consumer is reduced, and the protection sponge can also play a role in protecting the projector by extruding the projector.

Description

Projection arrangement for education under line

Technical Field

The utility model relates to the technical field of projection devices, in particular to a projection device for offline education.

Background

The offline education, namely the traditional teaching mode, requires students to enter a classroom, and performs one-to-many or one-to-one teaching with teachers face to face, more offline education is experience sharing and actual interaction, can directly strike results, can directly communicate with the teachers in the classroom, and can also play a role in supervision for the students.

The size and specification of the projector used for current offline education are different, so that no device is suitable for projectors of different sizes in the existing equipment, and the existing equipment can topple under the action of external force, so that the projector is easy to damage.

Disclosure of Invention

The utility model aims to solve the problems that when the equipment is used, the existing equipment cannot meet projectors with different sizes, and the projectors are easy to topple over due to external force, so that the projectors are damaged.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the projection device for the offline education comprises an adjusting mechanism, wherein the outer surface wall of the adjusting mechanism is movably sleeved with a fixing mechanism;

the adjusting mechanism comprises a supporting column, the outer surface walls of the supporting column are provided with threads, the outer surface walls of the threads are rotationally connected with first nuts, the outer surface walls of the supporting column are provided with a group of first holes, the top of the supporting column is provided with a telescopic hole, the inner surface walls of the telescopic hole are movably inserted with telescopic rods, the outer surface walls of the telescopic rods are provided with a group of second holes, the inner surface walls of two of the second holes are movably inserted with screws, the outer surface walls of the two screws are connected with the inner parts of the first holes in a penetrating mode, the outer surface walls of the two screws are rotationally connected with second nuts, and the top of the telescopic rods is fixedly provided with a fixing plate.

Preferably, two groups of sliding grooves are formed in the top of the fixing plate, and sliding rods are movably inserted into the inner surface walls of the two groups of sliding grooves.

Preferably, the tops of the two sliding rods are fixedly provided with limiting plates, and the outer surface walls of the limiting plates are movably inserted into the sliding grooves.

Preferably, the inner surface walls of the two limiting plates are fixedly connected with protection sponge, and the top of the fixing plate is movably connected with a projector.

Preferably, the fixing mechanism comprises a bottom plate, a round hole is formed in the center of the top of the bottom plate, and a group of fixing columns are fixedly arranged at the bottom of the bottom plate.

Preferably, the bottom of one group of the fixed columns is fixedly provided with a fixed sucker.

Preferably, the outer surface wall of the thread is movably connected with the inner surface wall of the round hole, and the top of the first nut is movably connected with the bottom of the bottom plate.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. according to the utility model, when the device is used, the adjustment of different heights is met through the up-and-down movement of the telescopic rod under the action of the adjusting mechanism, the projectors with different sizes and different specifications can be adapted through the movement of the limiting plate, the limitations in the use of the existing device are solved, the replacement cost of a consumer is reduced, and the protection sponge can also play a role in protecting the projector by extruding the projector.

2. According to the utility model, under the action of the fixing mechanism, the fixing sucker is arranged at the bottom, so that negative pressure is generated between the fixing sucker and the ground, and when the fixing sucker at the bottom is subjected to the action of external force, the equipment can be better fixed, and the equipment can be effectively prevented from toppling over.

Drawings

Fig. 1 is a perspective view showing a front view structure of a projection device for offline education according to the present utility model;

FIG. 2 is a perspective exploded view showing an adjusting mechanism in a projection device for offline education according to the present utility model;

FIG. 3 is a perspective exploded view showing the structure of a part of an adjusting mechanism in a projection device for offline education according to the present utility model;

fig. 4 is a perspective view showing a fixing mechanism in the projection device for offline education according to the present utility model.

Legend description:

1. an adjusting mechanism; 101. a support column; 102. a thread; 103. a first nut; 104. a first hole; 105. a telescopic hole; 106. a telescopic rod; 107. a second hole; 108. a screw; 109. a second nut; 110. a fixing plate; 111. a chute; 112. a slide bar; 113. a limiting plate; 114. protecting the sponge; 115. a projector; 2. a fixing mechanism; 201. a bottom plate; 202. a round hole; 203. fixing the column; 204. and fixing the sucker.

Detailed Description

In order that the above objects, features and advantages of the utility model will be more clearly understood, a further description of the utility model will be rendered by reference to the appended drawings and examples. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments may be combined with each other.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, however, the present utility model may be practiced otherwise than as described herein, and therefore the present utility model is not limited to the specific embodiments of the disclosure that follow.

The embodiment 1, as shown in fig. 1-4, provides a projection device for offline education, which comprises an adjusting mechanism 1, wherein the outer surface wall of the adjusting mechanism 1 is movably sleeved with a fixing mechanism 2;

the adjusting mechanism 1 comprises a supporting column 101, threads 102 are arranged on the outer surface walls of the supporting column 101, first nuts 103 are rotatably connected to the outer surface walls of the threads 102, a group of first holes 104 are formed in the outer surface walls of the supporting column 101, telescopic holes 105 are formed in the tops of the supporting column 101, telescopic rods 106 are movably inserted into the inner surface walls of the telescopic holes 105, a group of second holes 107 are formed in the outer surface walls of the telescopic rods 106, screws 108 are movably inserted into the inner surface walls of two of the second holes 107, the outer surface walls of the two screws 108 are connected to the inner parts of the first holes 104 in a penetrating manner, second nuts 109 are rotatably connected to the outer surface walls of the two screws 108, fixing plates 110 are fixedly arranged at the tops of the telescopic rods 106, two groups of sliding grooves 111 are formed in the tops of the fixing plates 110, limiting plates 113 are fixedly arranged at the tops of the two sliding rods 112, the outer surface walls of the limiting plates 113 are movably inserted into the sliding grooves 111, protective sponges 114 are fixedly connected to the inner surface walls of the two limiting plates 113, and a projector 115 is movably connected to the tops of the fixing plates 110.

The effect that its whole embodiment 1 reached is, when using this equipment, make the rotatory cover of first nut 103 establish in the outward appearance wall of screw 102, thereby fix support column 101, because telescopic link 106 can go on the telescopic hole 105 inside and stretch out and draw back from top to bottom, move telescopic link 106 to suitable position, because support column 101 has seted up first hole 104, telescopic link 106 has seted up second hole 107, pass through the inside of first hole 104 and second hole 107 with screw 108, afterwards rotatory second nut 109 is fixed telescopic link 106, place the top of fixed plate 110 with projector 115, lift limiting plate 113 afterwards, make slide bar 112 slide in the inside of spout 111, because the interior surface wall of two limiting plates 113 is all fixedly connected with protection sponge 114, when protection sponge 114 hugs closely the outward appearance wall of projector 115, place limiting plate 113 in the inside of spout 111, can place the projector 115 and remove, the device simple structure can satisfy the regulation of different height, simultaneously through the flexibility of protection sponge 114 self, can avoid the outside friction when the projector 115 is fixed.

In embodiment 2, as shown in fig. 2-4, the fixing mechanism 2 includes a bottom plate 201, a circular hole 202 is formed in the center of the top of the bottom plate 201, a group of fixing columns 203 are fixedly mounted at the bottom of the bottom plate 201, a fixing suction cup 204 is fixedly mounted at the bottom of the group of fixing columns 203, the outer surface wall of the screw thread 102 is movably connected with the inner surface wall of the circular hole 202, and the top of the first nut 103 is movably connected with the bottom of the bottom plate 201.

The effect that its whole embodiment 2 reached is, when using this equipment, with the bottom of bottom plate 201 and the top fixed connection of fixed column 203, the bottom of fixed column 203 and the top fixed connection of fixed sucking disc 204, under the effect of a plurality of fixed sucking discs 204, produces the contact through between bottom fixed sucking disc 204 and the ground, and fixed sucking disc 204 inside produces a negative pressure state, forms the difference with outside atmospheric pressure to can firmly adsorb it subaerial, prevent that equipment from empting and causing the influence to projector 115.

Working principle: when the device is used, the support column 101 is penetrated through the inside of the round hole 202, the outer surface wall of the support column 101 is provided with the screw thread 102, the first nut 103 is rotated, the support column 101 is fixed, the bottom of the bottom plate 201 is fixedly provided with the fixed column 203, the bottom of the fixed column 203 is fixedly provided with the fixed sucker 204, the fixed sucker 204 is contacted with the ground, a negative pressure state is generated in the sucker, the negative pressure state is different from the external atmospheric pressure, the negative pressure state can be firmly absorbed on the ground, the top of the support column 101 is provided with the telescopic hole 105, the inner surface wall of the telescopic hole 105 is movably inserted with the telescopic rod 106, the telescopic rod 106 is adjusted to a proper position, the outer surface wall of the support column 101 is provided with the first hole 104, the outer surface wall of the telescopic rod 106 is provided with a second hole 107, a screw 108 penetrates through the first hole 104 and the inside of the second hole 107, then the second nut 109 is rotated to fix the telescopic rod 106, as the top of the telescopic rod 106 is fixedly provided with the fixed plate 110, the top of the fixed plate 110 is provided with two groups of sliding grooves 111, the inner surface walls of the two groups of sliding grooves 111 are both in sliding connection with the sliding rods 112, the top of the two sliding rods 112 is fixedly provided with the limiting plate 113, the projector 115 is placed on the top of the fixed plate 110, the limiting plate 113 is lifted upwards, the sliding rods 112 slide in the sliding grooves 111, when the outer surface wall of the protective sponge 114 is tightly attached to the projector 115, the limiting plate 113 is put down, the limiting plate 113 is inserted into the inside of the sliding grooves 111, and the projector 115 can be fixed.

The present utility model is not limited to the above-mentioned embodiments, and any equivalent embodiments which can be changed or modified by the technical content disclosed above can be applied to other fields, but any simple modification, equivalent changes and modification made to the above-mentioned embodiments according to the technical substance of the present utility model without departing from the technical content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims (7)

1. The utility model provides a projection arrangement for education under line, includes adjustment mechanism (1), its characterized in that: the outer surface wall of the adjusting mechanism (1) is movably sleeved with a fixing mechanism (2);

the utility model provides an adjusting mechanism (1) including support column (101), the exterior wall of support column (101) is provided with screw thread (102), the exterior wall swivelling joint of screw thread (102) has first nut (103), a set of first hole (104) have been seted up to the exterior wall of support column (101), telescopic hole (105) have been seted up at the top of support column (101), the interior surface wall activity of telescopic hole (105) has inserted telescopic link (106), a set of second hole (107) have been seted up to the exterior wall of telescopic link (106), a set of screw (108) have all been inserted to the interior surface wall activity of two of second hole (107), and the exterior wall through connection of two screws (108) is in the inside of first hole (104), and two the exterior wall of screw (108) all swivelling joint has second nut (109), the top fixed mounting of telescopic link (106) has fixed plate (110).

2. The projection device for offline education according to claim 1, wherein: two groups of sliding grooves (111) are formed in the top of the fixed plate (110), and sliding rods (112) are movably inserted into the inner surface walls of the two groups of sliding grooves (111).

3. The projection device for offline education according to claim 2, wherein: the tops of the two sliding rods (112) are fixedly provided with limiting plates (113), and the outer surface walls of the limiting plates (113) are movably inserted into the sliding grooves (111).

4. A projection device for offline education as claimed in claim 3, wherein: the inner surface walls of the two limiting plates (113) are fixedly connected with protective sponges (114), and the top of the fixed plate (110) is movably connected with a projector (115).

5. The projection device for offline education of claim 4 wherein: the fixing mechanism (2) comprises a bottom plate (201), a round hole (202) is formed in the center of the top of the bottom plate (201), and a group of fixing columns (203) are fixedly arranged at the bottom of the bottom plate (201).

6. The projection device for offline education according to claim 5, wherein: the bottom of a group of fixed columns (203) is fixedly provided with a fixed sucker (204).

7. The projection device for offline education of claim 6 wherein: the outer surface wall of the thread (102) is movably connected with the inner surface wall of the round hole (202), and the top of the first nut (103) is movably connected with the bottom of the bottom plate (201).