CN211344661U

CN211344661U - Hand-cranking computer projector supporting device for English teaching

Info

Publication number: CN211344661U
Application number: CN201922478460.6U
Authority: CN
Inventors: 冉力
Original assignee: Hunan University of Arts and Science
Current assignee: Hunan University of Arts and Science
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-08-25
Anticipated expiration: 2029-12-31

Abstract

The utility model relates to the technical field of English teaching equipment, in particular to a hand-operated computer projector supporting device for English teaching, which comprises a base, a rotating shaft seat and a positioning device, wherein a supporting cylinder is arranged on the base, a sliding supporting plate is matched in the supporting cylinder in a sliding way, an installation cavity is arranged in the sliding supporting plate, a rotating shaft is connected in the supporting cylinder in a rotating way, the rotating shaft seat is arranged at the top end of the sliding supporting plate, a supporting seat is connected on the rotating shaft seat in a rotating way, a rotary damper is arranged in the rotating shaft seat, the positioning device comprises a pawl, a telescopic rod, a spring and a slider, the pawl is connected in the installation cavity in a rotating way through the rotating shaft, one end of the telescopic rod is welded on the wall surface of the installation cavity, the other end of the telescopic rod is welded with the slider, the spring is sleeved on, height adjustment of the projector is achieved.

Description

Hand-cranking computer projector supporting device for English teaching

Technical Field

The utility model relates to an english teaching equipment technical field especially relates to a hand-cranking type computer projector strutting arrangement for english teaching.

Background

At present, English is an officinal language specified internationally, is the most extensive first language in the world, is also the officinal language of European Union, many international organizations and the state of the English and the Federal, has the number of third-place native language users in the world, and can play videos for students by using a computer and a projector in English lessons of schools so that the students can learn English more intuitively. However, when the existing projector is used for projection, it is inconvenient to adjust the height and angle of the projector, so that the user is very inconvenient to use the projector.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the hand-cranking computer projector strutting arrangement is used in english teaching that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a hand-operated computer projecting apparatus strutting arrangement for english teaching, includes base, pivot seat and positioner, be equipped with a support section of thick bamboo on the base, and sliding fit has the slip backup pad in the support section of thick bamboo, be equipped with the installation cavity in the slip backup pad, and rotate in the support section of thick bamboo and be connected with the axis of rotation, the pivot seat sets up on the top of slip backup pad, and rotates through the pivot on the pivot seat and be connected with the supporting seat, be equipped with rotary damper in the pivot seat, positioner includes pawl, telescopic link, spring and slider, and the pawl rotates through the pivot and connects in the installation cavity, the one end welding of telescopic link is on the wall of installation cavity, and the other end and the slider welding of telescopic link.

Preferably, the spring is sleeved on the telescopic rod, and two ends of the spring are respectively bonded with the sliding block and the wall surface of the installation cavity.

Preferably, the sliding block is in sliding fit with the side wall of the pawl, and a plurality of ratchets matched with the pawl are arranged on one side wall surface, close to the pawl, in the supporting cylinder.

Preferably, a gear is arranged on the rotating shaft, and gear teeth meshed with the gear are arranged on the wall surface of one side, close to the rotating shaft, of the sliding support plate.

Preferably, the rotating shaft extends to the outside of the support cylinder and is welded with a hand-cranking plate.

Preferably, the rotating shaft in the pawl extends to the outer side of the supporting cylinder and is welded with a knob.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses an adjust hand cranking dish and positioner and can drive the projecting apparatus and reciprocate, realized the altitude mixture control of projecting apparatus.

2. The utility model provides a supporting seat can free rotation and fixed for the angle of rotation also can be at will to the projecting apparatus, has made things convenient for the regulation of projecting apparatus.

Drawings

Fig. 1 is a schematic view of a front view cross-sectional structure of a rocking computer projector supporting device for english teaching according to the present invention;

fig. 2 is an enlarged schematic structural view of a position a of the hand-operated computer projector supporting device for english teaching according to the present invention;

fig. 3 is the utility model provides a rocking type computer projector strutting arrangement's main structure schematic diagram is used in english teaching.

In the figure: the device comprises a base 1, a support barrel 2, a sliding support rod 3, a mounting cavity 31, a support seat 4, a rotating shaft seat 5, a rotating shaft 6, a gear tooth 7, a positioning device 8, a pawl 81, a telescopic rod 82, a spring 83, a sliding block 84, a ratchet 9, a hand-operated disc 10 and a rotary damper 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a hand-operated computer projector strutting arrangement for english teaching, including base 1, pivot seat 5 and positioner 8, be equipped with a support section of thick bamboo 2 on the base 1, and sliding fit has a slip backup pad 3 in the support section of thick bamboo 2, be equipped with installation cavity 31 in the slip backup pad 3, and it has axis of rotation 6 to rotate in the support section of thick bamboo 2, pivot seat 5 sets up the top at slip backup pad 3, and rotate through the pivot on the pivot seat 5 and be connected with supporting seat 4, be equipped with rotary damper 11 in the pivot seat 5, positioner 8 includes pawl 81, telescopic link 82, spring 83 and slider 84, and pawl 81 rotates through the pivot and connects in installation cavity 31, the one end welding of telescopic link 82 is on the wall of installation cavity 31, and the other end and the slider 84 welding of telescopic link 82.

Wherein, the spring 83 cover is established on the telescopic link 82, and the both ends of spring 83 bond with slider 84 and installation cavity 31 wall respectively, slider 84 and the lateral wall sliding fit of pawl 81, and be close to one side wall of pawl 81 in the support section of thick bamboo 2 and be equipped with a plurality ofly and pawl 81 assorted ratchet 9, the pivot in the pawl 81 extends to the outside of supporting section of thick bamboo 2 and has welded the knob, the knob is rotated, pawl 81 rotates and pawl 81 breaks away from the top of ratchet 9, compress telescopic link 82 and spring 83 simultaneously, the backup pad 3 that slides downwards this moment.

Wherein, be equipped with the gear on the axis of rotation 6, and be equipped with on the lateral wall face that the backup pad 3 of sliding is close to axis of rotation 6 with the teeth of a cogwheel 7 of gear engaged with, axis of rotation 6 extends to the outside of a support section of thick bamboo 2 and has welded hand dish 10, rotates hand dish 10, and axis of rotation 6 rotates and drives backup pad 3 rebound of sliding, and pawl 81 can support the top at ratchet 9, therefore can make backup pad 3 fix, and can make its unidirectional sliding.

Example (b): rotating hand dish 10, axis of rotation 6 rotates and drives sliding support plate 3 upward movement, pawl 81 can support the top at ratchet 9, therefore can make sliding support plate 3 fix, and can make its one-way slip, the rotating knob, pawl 81 rotates and pawl 81 breaks away from the top of ratchet 9, compress telescopic link 82 and spring 83 simultaneously, hand dish 10 makes sliding support plate 3 lapse is adjusted in the cooperation this moment, supporting seat 4 can free rotation, rotary damper 11 can make its rotation back automatic positioning.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a hand-cranking computer projector strutting arrangement for english teaching which characterized in that includes:

the device comprises a base (1), wherein a supporting cylinder (2) is arranged on the base (1), a sliding supporting plate (3) is matched in the supporting cylinder (2) in a sliding manner, an installation cavity (31) is arranged in the sliding supporting plate (3), and a rotating shaft (6) is rotatably connected in the supporting cylinder (2);

the rotating shaft seat (5) is arranged at the top end of the sliding support plate (3), the rotating shaft seat (5) is rotatably connected with a support seat (4) through a rotating shaft, and a rotating damper (11) is arranged in the rotating shaft seat (5); and

positioner (8), positioner (8) include pawl (81), telescopic link (82), spring (83) and slider (84), and pawl (81) rotate through the pivot and connect in installation cavity (31), the one end welding of telescopic link (82) is on the wall of installation cavity (31), and the other end and the slider (84) welding of telescopic link (82).

2. The hand-operated computer projector supporting device for English teaching of claim 1, wherein the spring (83) is sleeved on the telescopic rod (82), and two ends of the spring (83) are respectively bonded with the sliding block (84) and the wall surface of the mounting cavity (31).

3. The hand-operated computer projector supporting device for English teaching of claim 1, wherein the sliding block (84) is in sliding fit with the side wall of the pawl (81), and a plurality of ratchets (9) matched with the pawl (81) are arranged on one side wall surface of the supporting barrel (2) close to the pawl (81).

4. The hand-cranking computer projector supporting device for English teaching of claim 1, wherein the rotating shaft (6) is provided with a gear, and one side wall surface of the sliding supporting plate (3) close to the rotating shaft (6) is provided with gear teeth (7) meshed with the gear.

5. The hand-rocking type computer projector support device for English teaching of claim 1, wherein the rotation shaft (6) extends to the outside of the support cylinder (2) and is welded with a hand-rocking plate (10).

6. The hand-rocking type computer projector supporting device for English teaching of claim 1, wherein the rotating shaft of the pawl (81) extends to the outer side of the supporting cylinder (2) and is welded with a knob.