CN216307135U

CN216307135U - Multimedia supporting device

Info

Publication number: CN216307135U
Application number: CN202121776697.3U
Authority: CN
Inventors: 林韬
Original assignee: Guangzhou Institute of Technology
Current assignee: Guangzhou Institute of Technology
Priority date: 2021-07-30
Filing date: 2021-07-30
Publication date: 2022-04-15
Anticipated expiration: 2031-07-30

Abstract

The utility model provides a multimedia supporting device which comprises a base, a sliding block, a screw rod, a translation plate, a telescopic assembly, a connecting plate and a fixed platform, wherein a groove is formed in the base, the screw rod penetrates through the side wall of the groove and is rotatably connected with the side wall of the groove, the sliding block is in threaded connection with the screw rod, the translation plate is fixedly connected with one end of the sliding block and is positioned above the base, the connecting plate is fixedly arranged on one end of the translation plate, one end of the telescopic assembly is hinged with one end of the translation plate, the fixed platform is fixedly arranged on the other end of the telescopic assembly, and a limiting assembly for fixing the position of the telescopic assembly is arranged between one end of the telescopic assembly and the connecting plate. The utility model can not only adjust the height of the projector, but also adjust the front and back positions of the projector, has simple integral structure and good practicability.

Description

Multimedia supporting device

Technical Field

The utility model relates to the technical field of multimedia equipment, in particular to a multimedia supporting device.

Background

Multimedia refers to a combination of various media, generally including various media forms such as text, sound, and image. With the development of computers and projection technologies, multimedia teaching has been widely popularized. Projectors are a relatively common tool in multimedia teaching or home theatres.

When using a projector, a support device is needed. The existing projector supporting device can only be adjusted in height generally, cannot adjust the front position and the rear position, is easy to cause inconvenience to use, and needs to be improved in structure.

SUMMERY OF THE UTILITY MODEL

Based on this, in order to solve the problem that the existing projector supporting device cannot adjust the front and back positions of the projector, the utility model provides a multimedia supporting device, and the specific technical scheme is as follows:

the utility model provides a multimedia supporting device, includes base, slider, lead screw, translation board, flexible subassembly, connecting plate and fixed station, set up flutedly on the base, the lead screw passes the lateral wall of recess and with the lateral wall of recess rotates to be connected, the slider with lead screw threaded connection, the translation board with the one end fixed connection of slider just the translation board is located the top of base, the connecting plate fixed mounting be in one of translation board is served, the one end of flexible subassembly with the one end of translation board is articulated, the fixed station fixed mounting be in on the other end of flexible subassembly, the one end of flexible subassembly with install between the connecting plate and be used for fixing the spacing subassembly of flexible subassembly position.

Because the one end of flexible subassembly is articulated with the one end of translation board and installs spacing subassembly between the one end of flexible subassembly and the connecting plate, so through rotating flexible subassembly, can be with flexible subassembly by horizontal position adjustment to vertical position.

By rotating the screw rod, the translation plate can be driven to move back and forth along the axis direction of the screw rod. The lead screw, the sliding block, the translation plate and the telescopic assembly are combined together, so that the height and the front and back positions of the projector arranged on the fixed table can be adjusted, and a user can adjust the position of the projector better.

That is to say, multimedia support device not only can adjust the height of projecting apparatus, can also adjust the front and back position of projecting apparatus, and overall structure is simple, has fine practicality.

Further, the limiting assembly comprises a first limiting seat, a first steel ball, a first elastic component and a first limiting plate, a first groove is formed in the first limiting seat, a second groove is formed in the side wall of the first groove, one end of the first elastic component is fixedly connected with the bottom of the side wall of the second groove, the other end of the first elastic component is fixedly connected with the first steel ball, the first limiting plate is slidably connected with the first groove, a first clamping groove matched with the first steel ball is formed in the first limiting plate, and the first limiting plate penetrates through one end of the telescopic assembly and is slidably connected with one end of the telescopic assembly.

Further, the limiting assembly comprises a second limiting seat, a second steel ball, a second elastic component, a second limiting plate and an adjusting bolt, a third groove is formed in the second limiting seat, a threaded through hole is formed in the side wall of the third groove, the adjusting bolt is in threaded connection with the threaded through hole, one end of the second elastic component is fixedly connected with one end of the adjusting bolt, the other end of the second elastic component is fixedly connected with the second steel ball, the second limiting plate is in sliding connection with the third groove, a second clamping groove matched with the second steel ball is formed in the second limiting plate, and the second limiting plate penetrates through one end of the telescopic assembly and is in sliding connection with one end of the telescopic assembly.

Furthermore, the limiting assembly comprises a first magnet and a second magnet, the first magnet is fixedly mounted on the connecting plate, the second magnet is fixedly mounted at one end of the telescopic assembly, and the opposite surfaces of the first magnet and the second magnet are opposite in polarity.

Furthermore, multimedia support device still includes camera and projecting apparatus, camera and projecting apparatus detachably install on the fixed station.

Furthermore, the first clamping groove and the second clamping groove are hemispherical.

Further, the telescopic component is a multi-stage telescopic rod.

Further, the fixed station is a rotating holder.

Furthermore, one end of the screw rod is located on the outer side of the base, and a hand wheel is fixedly mounted at one end of the screw rod.

Drawings

The utility model will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.

FIG. 1 is a schematic view of an overall structure of a multimedia supporting apparatus according to an embodiment of the present invention;

FIG. 2 is a first schematic structural diagram of a positioning assembly of the multimedia supporting apparatus according to an embodiment of the present invention;

fig. 3 is a second schematic structural diagram of a limiting component of a multimedia supporting apparatus according to an embodiment of the utility model.

Description of reference numerals:

1. a base; 2. a slider; 3. a screw rod; 4. a translation plate; 5. a telescoping assembly; 6. a connecting plate; 7. a fixed table; 8. a groove; 9. a limiting component; 10. a hand wheel; 90. a first limiting seat; 91. a first steel ball; 92. a first elastic member; 93. a first limit plate; 94. a first slot; 95. a second slot; 96. a first card slot; 97. a second limiting seat; 98. a second steel ball; 99. a second elastic member; 910. a second limiting plate; 911. adjusting the bolt; 912. a third slot is formed; 913. a threaded through hole; 914. and a second card slot.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to embodiments thereof. It should be understood that the detailed description and specific examples, while indicating the scope of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The terms "first" and "second" used herein do not denote any particular order or quantity, but rather are used to distinguish one element from another.

As shown in fig. 1, a multimedia supporting apparatus in an embodiment of the present invention includes a base 1, a sliding block 2, a lead screw 3, a translation plate 4, a telescopic assembly 5, a connecting plate 6 and a fixing table 7, a groove 8 is formed on the base 1, the screw rod 3 penetrates through the side wall of the groove 8 and is rotatably connected with the side wall of the groove 8, the sliding block 2 is in threaded connection with the screw rod 3, the translation plate 4 is fixedly connected with one end of the sliding block 2, the translation plate 4 is positioned above the base 1, the connecting plate 6 is fixedly arranged on one end of the translation plate 4, one end of the telescopic component 5 is hinged with one end of the translation plate 4, the fixed station 7 is fixedly arranged at the other end of the telescopic assembly 5, and a limiting assembly 9 used for fixing the position of the telescopic assembly 5 is arranged between one end of the telescopic assembly 5 and the connecting plate 6.

Specifically, the slide block 2 is at least provided with two blocks and is positioned in the groove 8, and the base 1 is fixed on a desktop or an office desk. The telescopic assembly 5 is used for adjusting the height of the fixed table 7. Two opposite side walls of the groove 8 are provided with openings, bearings are fixedly mounted in the openings, and the wire 3 rod is rotatably connected with the side walls of the groove 8 through the bearings. Because the one end of flexible subassembly 5 is articulated with the one end of translation board 4 and installs spacing subassembly 9 between the one end of flexible subassembly 5 and the connecting plate 6, so through rotating flexible subassembly 5, can be with flexible subassembly 5 by horizontal position adjustment to vertical position.

By rotating the screw rod 3, the translation plate 4 can be driven to move back and forth along the axial lead direction of the screw rod 3. Due to the fact that the screw rod 3 is in threaded connection with the sliding block 2, the front and back positions of the translation plate 4, the telescopic assembly 5 and the fixing table 7 can be finely adjusted through the screw rod 3. The screw rod 3, the sliding block 2, the translation plate 4 and the telescopic assembly 5 are combined together, so that the height and the front and back positions of the projector arranged on the fixed table 7 can be adjusted, and a user can adjust the position of the projector better.

That is to say, multimedia support device not only can adjust the height of projecting apparatus, can also adjust the front and back position of projecting apparatus, and then adjusts the relative position between projecting apparatus and projection screen or the projection wall, and its overall structure is simple, has fine practicality.

In one embodiment, as shown in fig. 1 and 2, the limiting assembly 9 includes a first limiting seat 90, a first steel ball 91, a first elastic member 92 and a first limiting plate 93, the first limiting seat 90 is provided with a first open slot 94, a side wall of the first open slot 94 is provided with a second open slot 95, one end of the first elastic member 92 is fixedly connected to a bottom of a side wall of the second open slot 95, the other end of the first elastic member 92 is fixedly connected to the first steel ball 91, the first limiting plate 93 is slidably connected to the first open slot 94, the first limiting plate 93 is provided with a first engaging slot 96 matched to the first steel ball 91, the first limiting plate 93 passes through one end of the telescopic assembly 5, and the first limiting plate 93 is slidably connected to one end of the telescopic assembly 5.

The first limit plate 93 is perpendicular to one end of the telescopic assembly 5, and when the first engaging groove 96 is staggered from the first steel ball 91, at least a part of the first steel ball 91 is located in the first open groove 94 under the elastic force of the first elastic member 92 of the first steel ball 91.

Preferably, the diameter of the first steel ball 91 is equal to the diameter of the second slot 95, and when the first limit plate 93 is staggered from the first steel ball 91 or the first limit plate 93 is not inserted into the first slot 94, half of the first steel ball 91 is located in the first slot 94 and the other half of the first steel ball 91 is located in the second slot 95 under the elastic force of the first elastic member 92 of the first steel ball 91. So, can ensure when the subassembly 5 that stretches out and draws back is in vertical position, first steel ball 91 can be blocked into first draw-in groove 96 under the effect of first elastic component 92 elasticity to prescribe a limit to the position of subassembly 5 that stretches out and draws back, prevent that subassembly 5 that stretches out and draws back from falling under its action of gravity.

When the telescopic assembly 5 is in the horizontal position, the first limit plate 93 is disengaged from the first slot 94. When the telescopic assembly 5 is in the vertical position, one end of the first limit plate 93 faces the entrance of the second slot 95. Because the first limiting plate 93 is slidably connected with one end of the telescopic assembly 5, when the telescopic assembly 5 is in the vertical position, the first limiting plate 93 can be slid into the second groove 95 and the first steel ball 91 is clamped in the first clamping groove 96 by sliding the first limiting plate 93.

The position of the telescopic assembly 5 in the vertical direction can be limited by the first limiting seat 90, the first steel ball 91, the first elastic component 92 and the first limiting plate 93, and the overall structure of the multimedia supporting device is simplified.

In one embodiment, as shown in fig. 1 and 3, the position-limiting assembly 9 includes a second position-limiting seat 97, a second steel ball 98, a second elastic member 99, a second position-limiting plate 910 and an adjusting bolt 911, a third open groove 912 is arranged on the second limiting seat 97, a thread through hole 913 is arranged on the side wall of the third open groove 912, the adjusting bolt 911 is threadedly coupled to the threaded through hole 913, one end of the second elastic member 99 is fixedly coupled to one end of the adjusting bolt 911, the other end of the second elastic component 99 is fixedly connected with the second steel ball 98, the second limit plate 910 is slidably connected with the third slot 912, a second locking groove 914 matched with the second steel ball 98 is arranged on the second limit plate 910, the second limiting plate 910 penetrates through one end of the telescopic assembly 5, and the second limiting plate 910 is slidably connected with one end of the telescopic assembly 5.

The second limiting plate 910 is perpendicular to one end of the telescopic assembly 5, and when the second engaging groove 914 is staggered from the second steel ball 98, at least a portion of the second steel ball 91 is located in the third opening 912 under the elastic force of the second elastic member 99 of the second steel ball 98.

The diameter of the second steel ball 98 is equal to the diameter of the threaded through hole 913, and when the second limiting plate 910 is staggered from the second steel ball 98 or the second limiting plate 910 is not inserted into the second locking groove 914, half of the second steel ball 98 is located in the third opening 912 and the other half of the second steel ball 98 is located in the threaded through hole 913 under the elastic force of the second elastic member 99 of the second steel ball 98. In this way, when the telescopic assembly 5 is in the vertical position, the second steel ball 98 can be clamped into the second clamping groove 914 under the elastic force of the second elastic component 99, so as to limit the position of the telescopic assembly 5 in the vertical direction, and prevent the telescopic assembly 5 from falling under the action of gravity.

When the telescopic assembly 5 is in the horizontal position, the second limit plate 910 is disengaged from the third slot 912. When the telescopic assembly 5 is in the vertical position, one end of the second restriction plate 910 faces the entrance of the third slot 912. Since the second limit plate 910 is slidably connected to one end of the telescopic assembly 5, when the telescopic assembly 5 is in the vertical position, the second limit plate 910 can be slid into the third groove 912 and the second steel ball 98 can be clamped in the second clamping groove 914 by sliding the second limit plate 910.

By adjusting the relative position between the adjusting bolt 911 and the threaded through hole 913, the magnitude of the elastic force of the second elastic member 99 when the second steel ball 98 is snapped into the second snap groove 914 can be adjusted. In this way, by adjusting the elastic force of the second elastic member 99, the position of the telescopic assembly 5 in the vertical direction can be better defined.

The position of the telescopic assembly 5 in the vertical direction can be limited by the second limit seat 97, the second steel ball 98, the second elastic component 99, the second limit plate 910 and the adjusting bolt 911, and the overall structure of the multimedia supporting device is simplified.

In one embodiment, the limiting component 9 includes a first magnet and a second magnet, the first magnet is fixedly mounted on the connecting plate 6, the second magnet is fixedly mounted on one end of the telescopic component 5, and the surfaces of the first magnet and the second magnet opposite to each other are opposite in polarity.

The first magnet and the second magnet can further simplify the structure of the multimedia supporting device.

In one embodiment, the multimedia supporting apparatus further includes a camera and a projector, the camera and the projector are detachably mounted on the fixing table 7, the first locking groove 96 and the second locking groove 914 are both hemispherical, and the first elastic member 92 and the second elastic member 99 are both coil springs.

In one embodiment, the telescopic assembly 5 is a multi-stage telescopic rod, and the fixed platform 7 is a rotary holder. Through the multi-stage telescopic rod, the height of the fixed platform 7 can be better adjusted. And through the rotary holder, the multimedia supporting device not only can adjust the height and the front and back positions of the camera and the projector, but also can adjust the angle between the camera and the projector.

In one embodiment, one end of the screw rod 3 is located outside the base 1, and a hand wheel 10 is fixedly mounted at one end of the screw rod 3, so that a user can conveniently rotate the screw rod 3 to adjust the front and back positions of the translation plate 4.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a multimedia supporting device, includes the base, its characterized in that, multimedia supporting device still includes slider, lead screw, translation board, flexible subassembly, connecting plate and fixed station, set up flutedly on the base, the lead screw passes the lateral wall of recess and with the lateral wall of recess rotates to be connected, the slider with lead screw threaded connection, the translation board with the one end fixed connection of slider just the translation board is located the top of base, the connecting plate fixed mounting be in one of translation board is served, the one end of flexible subassembly with the one end of translation board is articulated, the fixed station fixed mounting be in on the other end of flexible subassembly, the one end of flexible subassembly with install between the connecting plate and be used for fixing the spacing subassembly of flexible subassembly position.

2. The multimedia supporting device as claimed in claim 1, wherein the limiting component includes a first limiting seat, a first steel ball, a first elastic member and a first limiting plate, the first limiting seat is provided with a first slot, a sidewall of the first slot is provided with a second slot, one end of the first elastic member is fixedly connected with a bottom of a sidewall of the second slot, the other end of the first elastic member is fixedly connected with the first steel ball, the first limiting plate is slidably connected with the first slot, the first limiting plate is provided with a first slot matched with the first steel ball, the first limiting plate passes through one end of the telescopic component, and the first limiting plate is slidably connected with one end of the telescopic component.

3. The multimedia supporting device as claimed in claim 1, wherein the limiting component includes a second limiting seat, a second steel ball, a second elastic member, a second limiting plate and an adjusting bolt, the second limiting seat is provided with a third slot, a side wall of the third slot is provided with a threaded through hole, the adjusting bolt is in threaded connection with the threaded through hole, one end of the second elastic member is fixedly connected with one end of the adjusting bolt, the other end of the second elastic member is fixedly connected with the second steel ball, the second limiting plate is in sliding connection with the third slot, the second limiting plate is provided with a second slot matched with the second steel ball, the second limiting plate passes through one end of the telescopic component and is in sliding connection with one end of the telescopic component.

4. The multimedia supporting device as claimed in claim 1, wherein the position limiting member comprises a first magnet and a second magnet, the first magnet is fixedly mounted on the connecting plate, the second magnet is fixedly mounted on one end of the telescopic member, and the surfaces of the first magnet and the second magnet opposite to each other are opposite in polarity.

5. The multimedia supporting apparatus of claim 1, further comprising a camera and a projector, wherein the camera and the projector are detachably mounted on the stationary table.

6. The multimedia supporting apparatus as claimed in claim 2, wherein the first locking groove has a hemispherical shape.

7. The multimedia supporting apparatus as claimed in claim 3, wherein the second locking groove has a hemispherical shape.

8. The multimedia support apparatus of claim 1, wherein the telescoping assembly is a multi-stage telescoping rod.

9. The multimedia supporting apparatus of claim 1, wherein the fixed stage is a rotating pan/tilt head.

10. The multimedia supporting device as claimed in claim 1, wherein one end of the screw rod is located at an outer side of the base and a hand wheel is fixedly installed at one end of the screw rod.