CN215173409U

CN215173409U - Adjustable projection device for network technology teaching

Info

Publication number: CN215173409U
Application number: CN202120370913.8U
Authority: CN
Inventors: 王佳鑫; 杨尊峰
Original assignee: Tianjin Zhilian Xinnong Technology Co ltd
Current assignee: Tianjin Tuosi Creative Technology Co.,Ltd.
Priority date: 2021-02-14
Filing date: 2021-02-14
Publication date: 2021-12-14
Anticipated expiration: 2031-02-14

Abstract

The utility model discloses an adjustable projection arrangement for network technology teaching belongs to teaching equipment technical field, including the stand, set firmly the solid fixed cylinder on the lateral wall of stand, the solid fixed cylinder is interior to be rotated with the turning handle through bearing a and is connected, the turning handle is located the one end and the worm rigid coupling of solid fixed cylinder inside, the worm meshes with the worm wheel mutually, the worm wheel rigid coupling is in the bottom department of screw rod, the lateral wall that the screw rod is close to the bottom rotates through bearing b and connects in the stand, the top screw drive of screw rod connects in the screw cavity that the lift post was seted up inside, the top rigid coupling of lift post has the fixing base, it is connected with the revolving stage to rotate on the fixing base; both improved teacher's use and experienced, made the application range increase of projector simultaneously, reduced the projection limitation, adjusted the whole length between hinge bar an and the hinge bar b to adjust the projection angle of projector, be convenient for improve projection effect and teaching effect.

Description

Adjustable projection device for network technology teaching

Technical Field

The utility model belongs to the technical field of the teaching equipment, concretely relates to projection arrangement with adjustable be used for network technology teaching.

Background

The network technology is a new technology developed from the middle of 1990 s, integrates dispersed resources on the internet into an organic whole, realizes comprehensive sharing and organic cooperation of resources, enables people to transparently use the whole capability of the resources and acquire information as required, the resources comprise high-performance computers, storage resources, data resources, information resources, knowledge resources, expert resources, large databases, networks, sensors and the like, the current internet is only limited to information sharing, the network is considered as the third stage of internet development, and the network can construct regional networks, enterprise internal networks, local area network networks, even home networks and personal networks.

At present, use projection arrangement to assist teacher's teaching work when carrying out network technology teaching when needs, but current projection arrangement generally fixes the top in the classroom, and the mobility is relatively poor, and is inconvenient to carry, and portable projection arrangement self lacks the regulatory function of height, turned angle and inclination, and the projection limitation is big, influences teacher's use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a projection arrangement with adjustable be used for network technology teaching to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a projection arrangement with adjustable be used for network technology teaching, includes the stand, a fixed cylinder has set firmly on the lateral wall of stand, rotate with the turning handle through bearing an in the fixed cylinder and be connected, the turning handle is located the inside one end and the worm rigid coupling of a fixed cylinder, the worm meshes with the worm wheel mutually, the worm wheel rigid coupling is in the bottom department of screw rod, the lateral wall that the screw rod is close to the bottom passes through bearing b and rotates to be connected in the stand, the top screw drive of screw rod is connected in the inside screw thread intracavity of seting up of lift post, the top rigid coupling of lift post has the fixing base, it is connected with the revolving stage to rotate on the fixing base, the rigid coupling has the backup pad on the revolving stage, the activity articulates in the backup pad has the projector, the activity articulates between the lateral wall of backup pad and the bottom surface of projector has angle adjusting part.

As a preferred embodiment, a base is fixedly connected to the bottom end of the upright column, three supports are fixedly connected to the outer side wall of the upright column close to the bottom end, and anti-skid plates are fixedly connected to the bottom ends of the three supports horizontally.

As a preferred embodiment, two limiting slide blocks are fixedly connected to the outer side wall of the lifting column near the bottom end, and the two limiting slide blocks are respectively connected in two sliding grooves formed in the upright column in a sliding manner.

As a preferred embodiment, the lateral wall that the revolving stage is close to the bottom surface is the inclined plane structure, and the lateral wall of revolving stage is contradicted with a side of the touch multitouch and is laminated, and the touch multitouch rigid coupling is served at one of connecting rod, and the connecting rod cover is established in the fixed ring, and the connecting rod is located and is equipped with the spring on the lateral wall between touch multitouch and the fixed ring, and the rigid coupling has the movable block on the other end of connecting rod, and the rigid coupling has the shifting block on the movable block, and the equal sliding connection of movable block and shifting block is on the fixing base.

As a preferred embodiment, the angle adjusting assembly comprises a hinge rod a, a hinge rod b, a threaded sleeve and a rotating ring, one end, away from the hinge rod a and the hinge rod b, of the hinge rod a is movably hinged to the side wall of the supporting plate and the bottom surface of the projector respectively, the other end of the hinge rod b is connected to the hinge rod a in a pulling mode, external threads are arranged on the outer side wall of the hinge rod a and are in screw transmission connection with the threaded sleeve through the external threads, the rotating ring is fixedly connected to the inside of the threaded sleeve, and the rotating ring is sleeved in an annular groove formed in the outer side wall of the hinge rod b.

As a preferred embodiment, a sliding groove is formed in the fixing seat, two sliding blocks are connected in the sliding groove in a sliding manner, and the two sliding blocks are fixedly connected to the bottom surface of the rotating table.

Compared with the prior art, the utility model provides a projection arrangement with adjustable be used for network technology teaching includes following beneficial effect at least:

(1) the rotating handle is rotated to drive the worm to rotate, the worm drives the worm wheel to rotate and enables the screw to rotate, the screw drives the lifting column to move up and down through the spiral transmission effect with the threaded cavity, the use height of the projector can be adjusted randomly, meanwhile, the shifting block is pulled to drive the moving block to move, the moving block drives the conflict block to move through the connecting rod, and after the conflict block is separated from the rotating table, the rotating table can rotate for 360 degrees, so that the use experience of teachers is improved, the use range of the projector is enlarged, and the projection limitation is reduced;

(2) through angle adjusting assembly's setting, rotate the thread bush and under the effect of external screw thread on hinge bar an, the thread bush removes and drives hinge bar b through the swivel becket and remove, and then adjusts the whole length between hinge bar an and the hinge bar b to adjust the projection angle of projector, be convenient for improve projection effect and teaching effect.

Drawings

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

FIG. 2 is a schematic sectional view of the column and the lifter of the present invention;

FIG. 3 is a schematic structural view of the fixing base of the present invention after being half-cut;

fig. 4 is the structure diagram of the angle adjusting assembly after the section of the thread bushing and the rotating ring.

In the figure: 1. a column; 2. a base; 3. a support; 4. an anti-skid plate; 5. a fixed cylinder; 6. a bearing a; 7. a handle is rotated; 8. a worm; 9. a worm gear; 10. a screw; 11. a bearing b; 12. a threaded cavity; 13. a lifting column; 14. a limiting slide block; 15. a chute; 16. a fixed seat; 17. a sliding groove; 18. a slider; 19. a turntable; 20. a contact block; 21. a connecting rod; 22. a fixing ring; 23. a spring; 24. a moving block; 25. shifting blocks; 26. a support plate; 27. a projector; 28. an angle adjustment assembly; 281. a hinge rod a; 282. a hinge rod b; 283. a threaded sleeve; 284. a rotating ring; 285. an annular groove.

Detailed Description

The present invention will be further described with reference to the following examples.

The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.

Referring to fig. 1-4, the present invention provides an adjustable projection apparatus for network teaching, which includes a vertical column 1, a base 2 is fixedly connected to the bottom end of the vertical column 1, three brackets 3 are fixedly connected to the outer side wall of the vertical column 1 near the bottom end, and anti-skid plates 4 are horizontally and fixedly connected to the bottom ends of the three brackets 3 (see fig. 1); through the setting of base 2, support 3 and antiskid ribbed tile 4 to make whole more stable when placing, the difficult phenomenon of empting that takes place improves the security in the use of projector 27.

The outer side wall of the upright post 1 is fixedly provided with a fixed barrel 5, the fixed barrel 5 is rotatably connected with a rotating handle 7 through a bearing a6, one end of the rotating handle 7, which is positioned inside the fixed barrel 5, is fixedly connected with a worm 8, the worm 8 is meshed with a worm wheel 9, the worm wheel 9 is fixedly connected at the bottom end of a screw rod 10, the outer side wall of the screw rod 10, which is close to the bottom end, is rotatably connected inside the upright post 1 through a bearing b11, the top of the screw rod 10 is in spiral transmission connection with a threaded cavity 12 formed inside a lifting post 13, the outer side wall of the lifting post 13, which is close to the bottom end, is fixedly connected with two limiting slide blocks 14, and the two limiting slide blocks 14 are respectively in two slide grooves 15 formed inside the upright post 1 (see fig. 2); through the setting of spacing slider 14 and spout 15, spacing slider 14 can reciprocate in spout 15 to restriction lift post 13 takes place to rotate, improves lift post 13 and reciprocates the stability of process.

A fixed seat 16 is fixedly connected to the top end of the lifting column 13, a rotary table 19 is rotatably connected to the fixed seat 16, the outer side wall of the rotary table 19 close to the bottom surface is of an inclined surface structure, the outer side wall of the rotary table 19 is abutted and attached to one side surface of an abutting block 20, the abutting block 20 is fixedly connected to one end of a connecting rod 21, the connecting rod 21 is sleeved in a fixed ring 22, a spring 23 is sleeved on the outer side wall of the connecting rod 21 between the abutting block 20 and the fixed ring 22, a moving block 24 is fixedly connected to the other end of the connecting rod 21, a shifting block 25 is fixedly connected to the moving block 24, and the moving block 24 and the shifting block 25 are both slidably connected to the fixed seat 16 (see fig. 3); pulling shifting block 25 and driving moving block 24 to move, moving block 24 drives abutting block 20 through connecting rod 21 and moves, after abutting block 20 breaks away from revolving stage 19, revolving stage 19 can carry out 360 rotations, and after the rotation finishes, unclamp shifting block 25 and push abutting block 20 to contact revolving stage 19 under the spring action of spring 23 to crowd revolving stage 19 tightly, restriction revolving stage 19 rotates.

A sliding groove 17 is formed in the fixed seat 16, two sliding blocks 18 are connected in the sliding groove 17 in a sliding manner, and the two sliding blocks 18 are fixedly connected to the bottom surface of the rotating table 19 (see fig. 3); through the setting of sliding block 18 and sliding tray 17, both improved the stability of revolving stage 19 rotation process, avoided revolving stage 19 to break away from fixing base 16 again.

A support plate 26 is fixedly connected to the turntable 19, a projector 27 is movably hinged to the support plate 26, an angle adjusting assembly 28 is movably hinged between the side wall of the support plate 26 and the bottom surface of the projector 27, the angle adjusting assembly 28 is composed of a hinge rod a281, a hinge rod b282, a threaded sleeve 283 and a rotating ring 284, one end, far away from the hinge rod a281 and the hinge rod b282, of the hinge rod a281 and the bottom surface of the projector 27 are respectively and movably hinged to the side wall of the support plate 26 and the bottom surface of the projector 27, the other end of the hinge rod b282 is connected into the hinge rod a281 in a drawing mode, external threads are arranged on the outer side wall of the hinge rod a281 and are in spiral transmission connection with the threaded sleeve 283 through the external threads, the rotating ring 284 is fixedly connected into the threaded sleeve, and the rotating ring 284 is sleeved in an annular groove 285 (see fig. 1, fig. 3 and fig. 4) formed in the outer side wall of the hinge rod b 282; rotate thread bush 283 and under the effect of external screw thread on articulated pole a281, thread bush 283 removes and drives articulated pole b282 through swivel 284 and removes, and then adjusts the whole length between articulated pole a281 and the articulated pole b282 to adjust the projection angle of projector 27, be convenient for improve projection effect and teaching effect.

When the device is used, the device is transported to a using place, when the using height of the projector 27 needs to be adjusted, the rotating handle 7 can be rotated to drive the worm 8 to rotate, the worm 8 drives the worm wheel 9 to rotate and enables the screw rod 10 to rotate, the screw rod 10 drives the lifting column 13 to move up and down through the spiral transmission effect with the threaded cavity 12, after the using height of the projector 27 is adjusted, the shifting block 25 is pulled to drive the moving block 24 to move, the moving block 24 drives the abutting block 20 to move through the connecting rod 21, after the abutting block 20 is separated from the rotary table 19, the rotary table 19 can rotate for 360 degrees, the projector 27 is rotated until the projector is projected onto a using screen, after the rotation is finished, the shifting block 25 is loosened, the abutting block 20 is pushed under the elastic force of the spring 23 to contact the rotary table 19, the rotary table 19 is limited to rotate, then through the arrangement of the angle adjusting assembly 28, the threaded sleeve 283 is rotated and under the action of the external thread on the hinge rod a281, the screw bushing 283 moves to drive the hinge rod b282 to move through the rotating ring 284, so as to adjust the overall length between the hinge rod a281 and the hinge rod b282, and thus adjust the projection angle of the projector 27.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a projection arrangement with adjustable be used for network technology teaching, includes stand (1), its characterized in that: the outer side wall of the upright post (1) is fixedly provided with a fixed barrel (5), the fixed barrel (5) is rotatably connected with a rotating handle (7) through a bearing a (6), the rotating handle (7) is positioned at one end inside the fixed barrel (5) and fixedly connected with a worm (8), the worm (8) is meshed with a worm wheel (9), the worm wheel (9) is fixedly connected at the bottom end of a screw rod (10), the outer side wall of the screw rod (10) close to the bottom end is rotatably connected in the upright post (1) through a bearing b (11), the top spiral transmission of the screw rod (10) is connected in a thread cavity (12) formed inside the lifting post (13), the top end of the lifting post (13) is fixedly connected with a fixed seat (16), the fixed seat (16) is rotatably connected with a rotary table (19), the rotary table (19) is fixedly connected with a support plate (26), and the support plate (26) is movably hinged with a projector (27), an angle adjusting component (28) is movably hinged between the side wall of the supporting plate (26) and the bottom surface of the projector (27).

2. The adjustable projection device for network technology teaching as claimed in claim 1, wherein: the rigid coupling has base (2) on the bottom of stand (1), the rigid coupling has three support (3) on the lateral wall that stand (1) is close to the bottom, and the equal horizontal rigid coupling in bottom department of three support (3) has antiskid ribbed tile (4).

3. The adjustable projection device for network technology teaching as claimed in claim 1, wherein: two limiting slide blocks (14) are fixedly connected to the outer side wall, close to the bottom end, of the lifting column (13), and the two limiting slide blocks (14) are respectively connected in two sliding grooves (15) formed in the vertical column (1) in a sliding mode.

4. The adjustable projection device for network technology teaching as claimed in claim 1, wherein: the lateral wall that revolving stage (19) is close to the bottom surface is the inclined plane structure, the lateral wall of revolving stage (19) is contradicted with a side of conflict piece (20) and is laminated, conflict piece (20) rigid coupling is served in one of connecting rod (21), connecting rod (21) cover is established in solid fixed ring (22), the cover is equipped with spring (23) on the lateral wall that connecting rod (21) are located between conflict piece (20) and solid fixed ring (22), the rigid coupling has movable block (24) on the other end of connecting rod (21), the rigid coupling has shifting block (25) on movable block (24), movable block (24) and the equal sliding connection of shifting block (25) are on fixing base (16).

5. The adjustable projection device for network technology teaching as claimed in claim 1, wherein: angle adjusting part (28) are by articulated rod a (281), articulated rod b (282), thread bush (283) and swivel becket (284) are constituteed, the one end that articulated rod a (281) and articulated rod b (282) kept away from is the activity respectively articulated on backup pad (26) lateral wall and projector (27) bottom surface, the other end pull of articulated rod b (282) is connected in articulated rod a (281), be equipped with the external screw thread on the lateral wall of articulated rod a (281) and be connected through external screw thread and thread bush (283) screw drive, the rigid coupling has swivel becket (284) in thread bush (283), swivel becket (284) cover is established in ring channel (285) of seting up on articulated rod b (282) lateral wall.

6. The adjustable projection device for network technology teaching as claimed in claim 1, wherein: sliding grooves (17) are formed in the fixing seat (16), two sliding blocks (18) are connected in the sliding grooves (17) in a sliding mode, and the two sliding blocks (18) are fixedly connected to the bottom face of the rotary table (19).