CN206757904U - A kind of display device - Google Patents

Abstract

It the utility model is related to display device technical field, provide a kind of display device, the bottom plate lower face of base is seated on any horizontal plane, the connecting column of base and the transfer hole of flap are rotatably assorted, realize that flap rotates relative to bottom plate, and display screen is located at the upper surface of flap, as flap together rotates.Therefore, when teacher is given lessons using multimedia equipment, display screen can be rotated according to the location of teacher to proper angle, it is easy to teacher's display screen directly perceived and vivo gives lessons, moreover, when is explained before teacher is located at blackboard, display screen is rotated to corresponding angle, it is easy to teacher to watch, such teacher may not necessarily continually travel to and fro between and carry out explanation highlight of the course between display screen and blackboard, make course explanation linking more smooth.

Description

a display device

technical field

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

Background technique

With the continuous development of multimedia technology, more and more multimedia devices are used in the teaching classrooms of schools. Due to the introduction of multimedia equipment, on the one hand, it brings convenience to the teaching work of teachers, and improves the quality of teaching, and teachers do not have to carry heavy materials to class; on the other hand, it also plays a positive role in improving students' academic performance. Teachers can use multimedia equipment to play courseware and select extended content, making course explanations more vivid and students understanding and accepting knowledge points more easily.

In multimedia teaching, the frequency of use of the display screen is very high. However, most of the currently used display screens are fixed on the desk, which will cause inconvenience in adjusting the angle of the display screen and affect the use of teachers.

Utility model content

The purpose of the utility model is to provide a display device, aiming to solve the problem of inconvenient adjustment of the angle of the display screen in the prior art.

In order to solve the above technical problems, the technical solution of the utility model is to provide a display device, including a display screen, a base and a turntable for connecting the display screen and the base, the base includes a bottom plate and the The base plate is connected to and protrudes upward from the upper surface of the base plate to form a transfer column. The turntable includes a rotating plate. , the display screen is arranged on the upper surface of the rotating plate.

Further, the turntable also includes a positioning structure component for limiting the rotation of the turntable.

Further, the positioning structure assembly includes a positioning member passing through the rotating plate, and an elastic member connecting the rotating plate and the positioning member and having elastic recovery, and the positioning member elastically recovers when the elastic member elastically recovers Under the action of force, it abuts against the upper surface of the bottom plate.

Further, the bottom of the positioning member is provided with a first positioning tooth, and the upper surface of the rotating plate is provided with a ring rack, and the ring path of the ring rack and the positioning member rotate with the rotating plate. Corresponding to the movement path during the time, the ring rack has a second positioning tooth meshed with the first positioning tooth.

Further, the display device also includes rolling bodies arranged on the lower surface of the rotating plate and rolling with the rotation of the rotating plate, there are multiple rolling bodies, and all of them surround the connecting joint with the same radius. Columns are arranged evenly.

Further, the display device further includes a lifting structure component arranged between the display screen and the rotating plate and used to control the display screen to rise and fall.

Further, the lifting structure assembly includes an installation platform, and the installation platform includes a main platform body fixed on the upper surface of the rotating plate and a support column protruding upward from the upper surface of the main platform body;

The display screen includes a main screen body and a stud body protruding downward from the lower surface of the main screen body;

The lifting structure assembly also includes a rotating sleeve used to connect the support column and the stud body, one end of the rotating sleeve is sleeved on the stud body, and is threadedly connected with the stud body , and the other end is sleeved on the top of the support column, and is rotatably matched with the support column.

Further, the lifting structure assembly further includes a limit structure assembly for fixing the display relative to the rotating plate when the rotating sleeve rotates.

Further, the limiting structure assembly includes a limiting rod protruding downward from the lower surface of the main screen body and a limiting sleeve protruding upward from the upper surface of the rotating plate, the limiting rod Inserted in the limit sleeve.

Further, the display device further includes a top cover structure component hinged on the top of the display screen and used to cover the front of the display screen.

Compared with the prior art, the technical effect of the utility model is that: the lower surface of the bottom plate of the base sits on any horizontal plane, and the connecting column of the base rotates and cooperates with the connecting hole of the rotating plate to realize the rotation of the rotating plate relative to the bottom plate. The display screen is arranged on the upper surface of the rotating plate and rotates together with the rotating plate. Therefore, when the teacher uses multimedia equipment to teach, the display screen can be rotated to an appropriate angle according to the position of the teacher, which is convenient for the teacher to see the display screen and teach vividly. Moreover, when the teacher is in front of the blackboard to explain, the display screen can be rotated To the corresponding angle, it is convenient for the teacher to watch, so that the teacher does not have to frequently go back and forth between the display screen and the blackboard to explain the main points of the course, making the course explanation more smooth.

Description of drawings

Fig. 1 is a partial sectional view of a display device provided by an embodiment of the present invention;

Fig. 2 is a side view in the assembly drawing of the top cover structure assembly and the display screen provided by the embodiment of the present invention;

Fig. 3 is a top view of the base provided by the embodiment of the present invention;

Fig. 4 is a top view of the turntable provided by the embodiment of the present invention;

Fig. 5 is a front view of the positioning member provided by the embodiment of the present invention.

The details of the labels involved in the above drawings are as follows:

detailed description

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it may be directly on the other element or it may be indirectly fixed or disposed on the other element through a third component. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or it can be indirectly connected to the other element through a third element.

It should also be noted that the orientation terms such as left, right, up, and down in this embodiment are only relative concepts or refer to the normal use state of the product, and should not be regarded as limiting.

Please refer to FIG. 1 to FIG. 5 below. The utility model provides a display device, which is mainly used in multimedia equipment used by teachers in teaching. Of course, it is not limited to this, and it can be selected flexibly. The display device includes a display screen 100 , a base 200 and a turntable 300 for connecting the display screen 100 and the base 200 .

The base 200 includes a bottom plate 210 and a connecting post 220 connected to the bottom plate 210 and protruding upward from the upper surface of the bottom plate 210 . The bottom plate 210 is disposed on any horizontal plane.

The rotating frame 300 includes a rotating plate 310 . The rotating plate 310 defines an adapter hole 311 on the lower surface of the rotating plate 310 rotatably matched with the connecting column 220 . The display screen 100 is disposed on the upper surface of the rotating plate 310 .

In this embodiment, the lower surface of the base plate 210 of the base 200 sits on any horizontal plane, and the transfer column 220 of the base 200 is rotatably matched with the transfer hole 311 of the transfer plate 310 to realize the rotation of the transfer plate 310 relative to the base plate 210. The display screen 100 is disposed on the upper surface of the rotating plate 310 and rotates together with the rotating plate 310 . Therefore, when the teacher uses multimedia equipment to give lectures, the display screen 100 can be rotated to an appropriate angle according to the position of the teacher, which is convenient for the teacher to visually view the display screen 100 and give lectures vividly. The display screen 100 is at a corresponding angle, which is convenient for the teacher to watch, so that the teacher does not need to frequently go back and forth between the display screen 100 and the blackboard to explain the main points of the course, so that the course explanation is more smooth.

Specifically, the transfer post 220 is disposed at the center of the upper surface of the base plate 210 .

The display device also includes a bearing 400 which is arranged between the side wall of the transfer plate 310 at the transfer hole 311 and the outer peripheral wall of the transfer post 220 and is used for the transfer plate 310 to freely rotate around the transfer post 220, so as to realize the transfer post 220 is rotationally matched with the transfer hole 311 of the rotating plate 310 . The bearing 400 is interference fit with the transfer post 220 and the rotating plate 310 .

Specifically, the display device also includes an annular rubber pad 500 arranged on the lower surface of the bottom plate 210, which can increase the friction with any horizontal surface on the one hand, so that the display device can be placed stably on any horizontal surface; on the other hand, The bottom plate 210 is protected to prevent the bottom plate 210 from being worn out due to the movement of the bottom plate 210 when the display screen 100 is adjusted.

Specifically, a gap is left between the lower end surface of the bearing 400 and the upper surface of the bottom plate 210 to prevent the outer ring of the bearing 400 from scraping against the upper surface of the bottom plate 210 when the outer ring rotates, resulting in the upper surface of the bottom plate 210 and the upper surface of the bearing 400 The lower face of the outer ring is worn.

Further, the turntable 300 includes a positioning structure assembly 320 for limiting the rotation of the turntable 310 . Make sure that the display screen 100 is fixed when it is rotated to an optimal angle, so as to prevent the display screen 100 from rotating and deviating from the optimal position due to scratching by other objects or misoperation.

Further, the positioning structure assembly 320 includes a positioning piece 321 that passes through the rotating plate 310, and an elastic piece 323 that connects the rotating plate 310 and the positioning piece 321 and has elastic recovery. connected to the upper surface of the base plate 210 . In this way, the display screen 100 rotates with the rotation of the rotating plate 310. When the rotating plate 310 rotates at a certain angle, the positioning member 321 abuts against the upper surface of the bottom plate 210 downwards due to the elastic restoring force of the elastic member 323. Through the action of friction between the bottom end of the positioning member 321 and the upper surface of the bottom plate 210 , the rotating plate 310 is fixed at this position relative to the bottom plate 210 , that is, the display screen 100 is fixed.

Further, the bottom of the positioning member 321 is provided with a first positioning tooth 3211, and the upper surface of the rotating plate 310 is provided with an annular rack 211, and the ring setting path of the annular rack 211 is related to the movement of the positioning member 321 when the rotating plate 310 rotates. Corresponding to the path, the ring rack 211 has a second positioning tooth 2111 meshing with the first positioning tooth 3211 .

In this embodiment, the rotating plate 310 is locked by the first positioning tooth 3211 at the bottom end of the positioning member 321 meshing with the second positioning tooth 2111 of the ring rack 211, that is, the rotating plate 310 is fixed relative to the bottom plate 210, ensuring that the display The screen 100 remains in an optimal position for ease of use by the teacher.

The axis of the ring rack 211 overlaps with the axis of the adapter post 220 .

Further, the positioning member 321 includes a top cap 3213 located above the rotating plate 310 and a positioning rod 3212 with one end connected to the lower surface of the top cap 3213 and the other end extending below the rotating plate 310. The first positioning tooth 3211 is set on the positioning rod 3212 the lower end face.

The elastic member 323 is sleeved on the positioning rod 3212 , and one end is fixed to the top cap 3213 and the other end is fixed to the upper surface of the rotating plate 310 .

When the first positioning tooth 3211 on the positioning rod 3212 is engaged with the ring rack 211, the elastic member 323 is in a stretched state, that is, a downward elastic restoring force is applied to the elastic member 323, on the one hand, the first positioning of the positioning member 321 The teeth 3211 mesh more closely with the second positioning teeth 2111 of the ring rack 211 to improve the positioning reliability of the rotating plate 310; on the other hand, it effectively prevents the positioning member 321 from detaching from the rotating plate 310, which is convenient for handling and transportation.

When it is necessary to rotate the display, grasp the top cap 3213 and pull it up, so that the first positioning tooth 3211 at the lower end of the positioning rod 3212 is separated from the second positioning tooth 2111 of the ring rack 211, and then rotate the rotating plate 310, and the display screen 100 and Rotating plate 310 rotates together, when turning to optimal angle, unclamp top cap 3213, by the effect of elastic recovery force of elastic member 323, positioning member 321 moves downward automatically, and the second positioning tooth of ring rack 211 2111 are engaged to realize the positioning of the rotating plate 310, that is, to realize the positioning of the display screen 100.

In this embodiment, the elastic member 323 is a spring.

In this embodiment, the axis of the ring rack 211 , the axis of the transfer post 220 and the center line of the transfer hole 311 are all overlapped.

In this embodiment, there are two positioning structure components 320, which are arranged symmetrically with the center of the transfer hole 311 to achieve a balanced support. Of course, the number of positioning structure components 320 is not limited to this, and can be selected according to specific conditions. .

Further, the display device further includes rolling bodies 600 disposed on the lower surface of the rotating plate 310 and rolling with the rotating plate 310 . There are multiple rolling bodies 600 , all of which surround the connecting posts 220 with the same radius and are uniformly arranged. This setting, on the one hand, has the effect of supporting the rotating plate 310 and maintaining the balance of the rotating plate 310, avoiding the phenomenon of rollover of the rotating plate 310 due to uneven weighing on the upper plate surface; on the other hand, it can improve the smooth rotation of the rotating plate 310 sex.

In this embodiment, the lower surface of the rotating plate 310 is provided with two rolling structures, and each rolling structure includes a plurality of rolling elements 600, and the two rolling structures are centered on the center of the transfer hole 311, and the radii are sequential Set in an enlarged form. Specifically, the positioning structure assembly 320 is located between two rolling structures.

Of course, the rolling element 600 can also be arranged on the upper surface of the bottom plate 210, and a rolling groove matching the local shape of the rolling element 600 is provided on the upper surface of the bottom plate 210, and a part of the rolling element 600 is arranged in the rolling groove, and a part is exposed to the outside. , to support the lower plate surface of the rotating plate 310, it can be selected flexibly.

Further, the display device further includes a lifting structure assembly 700 arranged between the display screen 100 and the rotating plate 310 and used for controlling the display screen 100 to lift up and down. With such arrangement, the height adjustment of the display screen 100 can be realized. Combined with the above-mentioned rotating structure, the display device can realize the rotation and height adjustment of the display screen 100, making it convenient for teachers to use in teaching.

Further, the lifting structure assembly 700 includes an installation platform 710 , and the installation platform 710 includes a main platform body 711 fixed on the upper surface of the rotating plate 310 and a support column 712 protruding upward from the upper surface of the main platform body 711 . Specifically, the main platform body 711 is disc-shaped, and an escape groove 7111 is provided on the lower surface of the main platform body 711, and the top of the transfer post 220 and the top of the bearing 400 are all facing the avoidance groove 7111. The setting of the avoidance groove 7111, On the one hand, in order to avoid friction between the lower surface of the main table body 711 and the upper end surface of the outer ring of the bearing 400 due to relative movement, causing wear on both; The top of the column 220 maintains the support stability of the main platform body 711 .

The display screen 100 includes a main screen body 110 and a stud body 120 protruding downward from the lower surface of the main screen body 110 .

Specifically, a platform 130 is provided on the lower surface of the main screen body 110 . The stud body 120 is a stud body 120 protruding downward from the lower surface of the platform 130 . The stud body 120 has external threads on its peripheral sidewall.

The lifting structure assembly 700 also includes a rotating sleeve 720 for connecting the support column 712 and the stud body 120, one end of the rotating sleeve 720 is sleeved on the stud body 120, and is threadedly connected with the stud body 120, and the other end rotates It is sheathed on the top of the support column 712 and rotatably matched with the support column 712 .

Specifically, the rotating sleeve 720 is provided with an internal thread on the inner pipe wall at one end of the stud body 120 socketed, and is engaged with the external thread of the stud body 120 , while the rotating sleeve 720 is connected to the support column 712 on the other side. One end realizes the rotational connection between the bearing and the support column 712, that is, when the rotating sleeve 720 is rotated right or left, since the rotating sleeve 720 is limited by the support column 712, it can only rotate and cannot go up, down, or left. , right, front and back, and due to relativity, the stud body 120 can move up and down, that is, the display screen 100 can move up and down.

In this embodiment, the left and right sides of the main screen body 110 are respectively provided with carrying slots 113 for easy grasping.

Further, the lifting structure assembly 700 also includes a limiting structure assembly 730 for fixing the display relative to the rotating plate 310 when the rotating sleeve 720 is rotating. The purpose of such setting is: when the rotating sleeve 720 rotates, it will not drive the main screen body 110 to rotate together, which can improve the lifting efficiency of the main screen body 110 .

Further, the limiting structure assembly 730 includes a limiting rod 111 protruding downward from the lower surface of the main screen body 110 and a limiting sleeve 312 protruding upward from the upper surface of the rotating plate 310, and the limiting rod 111 is inserted into the in the limit sleeve 312. In this way, on the one hand, when the rotating sleeve 720 rotates, it will not drive the main screen body 110 to rotate together, which can improve the lifting efficiency of the main screen body 110; The position-limiting sleeve 312 moves up and down along with the main screen body 110 to improve the height adjustment accuracy of the main screen body 110 .

In this embodiment, the cross-section of the limiting sleeve 312 is square, and of course, the cross-section of the limiting rod 111 that is plugged with the limiting sleeve 312 is also square. Of course, the shapes of the two are not limited to this, and they can be flexibly selected.

Specifically, in this embodiment, there are two limiting structure components 730 , and they are arranged symmetrically around the center of the transfer hole 311 . The platform 130 is arranged at the center of the lower surface of the main screen body 110 , and the two limit rods 111 are arranged symmetrically with respect to the center of the lower surface of the main screen body 110 . The purpose of this is to make the upper surface of the rotating plate 310 evenly loaded and avoid rollover.

Further, the display device further includes a top cover structure assembly 800 hinged on the top of the display screen 100 and used to cover the front of the display screen 100 .

The top cover structure assembly 800 includes sliding frames 112 respectively protruding upward from the left and right ends of the upper surface of the main screen body 110, and any sliding frame 112 is provided with a sliding hole 1121 passing through it along the left and right directions. The sliding hole 1121 is strip-shaped, and Set in the front-to-back direction.

The top cover structure assembly 800 includes a connecting plate 810 arranged between the two sliding frames 112, a sliding shaft 820 arranged at the left and right ends of the connecting plate 810, and a protective cover 830 pivotally connected to the connecting plate 810, and the two sliding shafts 820 are respectively inserted In the two sliding holes 1121. When the display device is not in use, the two sliding shafts 820 are moved to the front ends of the two sliding holes 1121 respectively, the connecting plate 810 is turned forward, and the protective cover 830 is put down, that is, the protective cover 830 is parallel to the front of the main screen body 110 for Protect the main screen body 110; when the display device needs to be used, move the two sliding shafts 820 to the rear ends of the two sliding holes 1121 respectively, flip the connecting plate 810 backwards, and put down the protective cover 830, that is, the protective cover 830 and the main screen body 110 parallel to the back side, the display device can be used.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model should be included in the utility model. within the scope of protection.

Claims (10)

1. a kind of display device, it is characterised in that including display screen, base and for connecting the display screen and the base Pivoted frame, the base include bottom plate and be connected with the bottom plate and protruded out upwards from the upper face of the bottom plate to be formed turn Post is connect, the pivoted frame includes flap, and the flap offers the transfer hole being rotatably assorted with the connecting column in lower face, described Display screen is located at the upper face of the flap.

2. display device as claimed in claim 1, it is characterised in that the pivoted frame also includes being used to limit the flap rotation Location structure component.

3. display device as claimed in claim 2, it is characterised in that the location structure component includes being arranged in the flap Keeper, and the connection flap and the keeper and the elastic component of flexible recovery, the keeper is described The upper face of the bottom plate is abutted in the presence of elastic component elastic restoring force.

4. display device as claimed in claim 3, it is characterised in that the bottom of the keeper is provided with the first positioning tooth, institute The upper face for stating flap is provided with annular rack, when the ring of the annular rack sets path and rotated with the keeper with the flap Motion path it is corresponding, the annular rack has the second positioning tooth for being engaged with first positioning tooth.

5. the display device as any one of Claims 1-4, it is characterised in that the display device also includes being located at The flap lower face and the rolling element for rotating and rolling with the flap, the rolling element be provided with it is multiple, and all with identical Radius is around the connecting column and is evenly arranged.

6. the display device as any one of Claims 1-4, it is characterised in that the display device also includes being located at Between the display screen and the flap and for the lifting structure component of control display screen lifting.

7. display device as claimed in claim 6, it is characterised in that the lifting structure component includes erecting bed, the peace Dress platform includes being fixedly arranged on the main stage body of the flap upper face and from the main convex support for being stretched into type in stage body upper surface Post；

The display screen includes main screen body and protrudes out the spiro column of shaping downwards from the main screen body lower surface；

The lifting structure component also includes being used for the rotating casing for connecting the support column and the spiro column, the turning set Pipe one end is sheathed on the spiro column, and is threadedly coupled with the spiro column, and the other end is sheathed at the top of the support column, And it is rotatably assorted with the support column.

8. display device as claimed in claim 7, it is characterised in that the lifting structure component also includes being used at described turn The position limiting structure component that the display is fixed relative to the flap when dynamic sleeve pipe rotates.

9. display device as claimed in claim 8, it is characterised in that the position limiting structure component is included under the main screen body The gag lever post and the convex limit casing for being stretched into type of upper face from the flap that surface protrudes out downwards, the gag lever post are inserted Located at the limit casing.

10. the display device as any one of Claims 1-4, it is characterised in that the display device also includes be hinged At the top of the display screen and for covering the positive cap structure component of the display screen.