CN212273528U

CN212273528U - Projection equipment for primary school Chinese writing teaching

Info

Publication number: CN212273528U
Application number: CN202020019015.3U
Authority: CN
Inventors: 张园园
Original assignee: Puyang Vocational and Technical College
Current assignee: Puyang Vocational and Technical College
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2021-01-01
Anticipated expiration: 2030-01-06

Abstract

The utility model discloses a projection equipment that is used for primary school's chinese writing teaching relates to primary school's education field. This a projection equipment for teaching is write to primary school's chinese is including removing the base, the support ring, the projecting apparatus assembly, curtain frame and curtain accomodate the pole, the last fixed surface who removes the base is connected with the slide bar, the lower surface that removes the base is provided with two gyro wheels, it cup joints with the activity of projecting apparatus assembly through the slide bar to remove the base, the restriction spout has been seted up at the top of slide bar, it cup joints with the support ring slip through the restriction spout to remove the base, one side of projecting apparatus assembly just is close to the position fixedly connected with curtain frame at top, the equal fixedly connected with curb plate in both ends of curtain frame, the rotation hole has all been seted up on the curb plate, the curtain frame is accomodate the pole rotation through rotating the hole. This a projection equipment for teaching is write to primary school's chinese has the function that can not shelter from the blackboard and can adjust the angle that the pole was accomodate to the curtain.

Description

Projection equipment for primary school Chinese writing teaching

Technical Field

The utility model relates to a primary school's education technical field specifically is a projection equipment that is used for primary school's chinese writing teaching.

Background

The Chinese writing is to teach students how to write, and nowadays, projection equipment is also used for writing teaching of students, so that a projection equipment for primary school Chinese writing teaching is needed.

The present projection equipment for teaching is write to primary school's chinese exists following not enough, general projection equipment for teaching is write to primary school's chinese all fixes projecting apparatus and curtain respectively, and can shelter from the blackboard after the curtain spirit expandes, influence mr and write on the blackboard, and the projection equipment that is used for teaching is write to primary school's chinese is fixed the back, the angle that the student looked at to the curtain also can not change, cause the discomfort to pupil's glasses and neck like this, can influence pupil's healthy, so need one kind can not shelter from the blackboard and can adjust the projection equipment that is used for teaching is write to primary school's chinese of angle, to prior art's not enough, the utility model discloses a projection equipment for teaching is write to primary school's chinese, in order to solve the problem that proposes in the above-mentioned background art.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model discloses a not enough to prior art, the utility model discloses a projection equipment that is used for primary school's chinese writing teaching to solve the problem that proposes in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a projection equipment for teaching is drawn to primary school's chinese, accomodates the pole including removing base, support ring, projecting apparatus assembly, curtain frame and curtain, the last fixed surface who removes the base is connected with the slide bar, the lower surface that removes the base is provided with two gyro wheels, it cup joints with the activity of projecting apparatus assembly through the slide bar to remove the base, the restriction spout has been seted up at the top of slide bar, it cup joints with the support ring slip through the restriction spout to remove the base, one side of projecting apparatus assembly just is close to the position fixedly connected with curtain frame at top, the equal fixedly connected with curb plate in both ends of curtain frame, all seted up on the curb plate and rotated the hole, the curtain frame is accomodate the pole rotation through rotating the hole and curtain and is connected.

Preferably, two brake levers are fixedly connected to the lower surface of the movable base and at positions far away from the two rollers, and a control handle is fixedly connected to the upper surface of the movable base.

Preferably, the bottom of the projector assembly is provided with a mounting hole which is in contact with the sliding rod, the outer surface of the projector assembly and the position close to the bottom of the projector assembly are fixedly connected with a rotating handle, and the top of the support ring is in contact with the bottom of the projector assembly.

Preferably, the number of the limiting chutes is two, and the two limiting chutes are uniformly distributed about the axis of the sliding rod.

Preferably, the top of the support ring is provided with a sleeve hole, the sleeve hole is communicated with the bottom of the support ring, two limiting sliding blocks which are in contact with the limiting sliding grooves are fixedly connected in the sleeve hole, and the limiting sliding blocks are uniformly distributed about the axis of the sleeve hole.

Preferably, the outer surface of the sliding rod is provided with a rotating groove, and the outer surface of the rotating groove is in contact with the limiting sliding block.

Preferably, both sides of the curtain accommodating rod are fixedly connected with rotating shafts in contact with the rotating holes, and one side of each rotating shaft, which is far away from the curtain accommodating rod, is fixedly connected with a retracting handle.

The utility model discloses a projection equipment that is used for primary school's chinese writing teaching, its beneficial effect who possesses as follows:

1. this a projection equipment for primary school's chinese writing teaching is through setting up the removal base, the projecting apparatus assembly, curtain frame and curtain storage rod, can remove the device through the gyro wheel, and the curtain storage rod passes through the curtain frame to be fixed at the top of projecting apparatus assembly, the curtain that can not make curtain storage rod like this shelters from the blackboard, and the projecting apparatus assembly can rotate on the slide bar, can adjust the angle of curtain storage rod, the device has the function that can not shelter from the blackboard and can adjust the angle of curtain storage rod.

2. This a projection equipment for teaching is write to primary school's chinese is through setting up the removal base, support ring and projecting apparatus are always put up, projecting apparatus is always put up and down to slide also can go on the slide bar, the support ring only can slide on the slide bar, after the position that the support ring slided the rotation groove, the support ring can rotate on the slide bar, make the support ring can not slide on the slide bar, thereby make the support ring can support projecting apparatus is always put up, the device has can stretch out and draw back the time can also prevent projecting apparatus from always putting up automatic gliding function down on the slide bar.

Drawings

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

fig. 2 is a schematic structural view of the movable base of the present invention;

FIG. 3 is a schematic structural view of the support ring of the present invention;

fig. 4 is a partial sectional view of the projector assembly of the present invention;

fig. 5 is the structure diagram of the rotating hole and the curtain accommodating rod of the present invention.

In the figure: 1. moving the base; 101. a roller; 102. a brake lever; 103. a control handle; 104. a slide bar; 105. a restricting chute; 106. a rotating groove; 2. a support ring; 201. trepanning; 202. a limiting slide block; 3. a projector main frame; 301. rotating the handle; 302. mounting holes; 4. a screen frame; 401. a side plate; 402. Rotating the hole; 5. a curtain take-in rod; 501. a rotating shaft; 502. and a handle is stored.

Detailed Description

The embodiment of the utility model discloses a projection equipment for primary school's chinese writing teaching, as shown in fig. 1-5, including removing base 1, support ring 2, the total frame 3 of projector, curtain frame 4 and curtain accomodate pole 5, it cup joints with the total frame 3 activity of projector through slide bar 104 and mounting hole 302 to remove base 1, the mounting hole 302 that contacts with slide bar 104 is seted up to the bottom of the total frame 3 of projector, the surface of the total frame 3 of projector just is close to the rotatory handle 301 of position fixedly connected with of bottom, can rotate the total frame 3 of projector through controlling rotatory handle 301, can make the total frame 3 of projector can enough slide on slide bar 104 and also can rotate like this, the total frame 3 fixedly connected with projector of projector, the top of support ring 2 contacts with the bottom of the total frame 3 of projector.

The lower surface of the movable base 1 is provided with two rollers 101, the rollers 101 can move the device, two brake levers 102 are fixedly connected to the positions of the lower surface of the movable base 1 away from the two rollers 101, the brake levers 102 can brake the device, the upper surface of the movable base 1 is fixedly connected with an operating handle 103, and the operating handle 103 can control the brake levers 102 to contact with or separate from the ground so as to realize the functions of moving or braking.

One side of projecting apparatus assembly 3 and the position fixedly connected with curtain frame 4 that is close to the top, curtain frame 4 is accomodate the pole 5 through rotating hole 402 and axis of rotation 501 and curtain and is rotated and be connected, the equal fixedly connected with curb plate 401 in both ends of curtain frame 4, it is connected with curtain storage rod 5 in order to set up rotation hole 402 to set up curb plate 401, rotation hole 402 has all been seted up on curb plate 401, the equal fixedly connected with in both sides of curtain storage rod 5 rotates the axis of rotation 501 that hole 402 contacted with, one side fixedly connected with that pole 5 was accomodate to the curtain was kept away from to an axis of rotation 501 receive and releases handle 502, it can make curtain storage rod 5 rotate on curtain frame 4 through axis of rotation 501 and rotation hole 402 to shake to receive and release handle 502, accomplish receiving and releasing of curtain.

The device is through setting up removal base 1, projecting apparatus assembly 3, curtain frame 4 and curtain storage rod 5, can remove the device through gyro wheel 101, and curtain storage rod 5 passes through curtain frame 4 to be fixed at the top of projecting apparatus assembly 3, can not make the curtain of curtain storage rod 5 shelter from the blackboard like this, and projecting apparatus assembly 3 can rotate on slide bar 104, can adjust the angle of curtain storage rod 5, the device has the function that can not shelter from the blackboard and can adjust the angle of curtain storage rod 5.

The movable base 1 is in sliding sleeve connection with the support ring 2 through the limiting sliding grooves 105 and the limiting sliding blocks 202, the upper surface of the movable base 1 is fixedly connected with the sliding rods 104, the limiting sliding grooves 105 are formed in the tops of the sliding rods 104, the number of the limiting sliding grooves 105 is two, the limiting sliding grooves are uniformly distributed on the axis of the sliding rods 104, the tops of the support ring 2 are provided with sleeve holes 201, the sleeve holes 201 are formed in order to be sleeved on the sliding rods 104, the sleeve holes 201 are communicated with the bottoms of the support ring 2, the limiting sliding blocks 202 in contact with the limiting sliding grooves 105 are fixedly connected in the sleeve holes 201, the number of the limiting sliding blocks 202 is two, and the axis of the sleeve holes 201 is uniformly distributed, and therefore the support.

The outer surface of the slide bar 104 is provided with a rotating groove 106, the outer surface of the rotating groove 106 is in contact with the limiting slider 202, when the support ring 2 slides on the slide bar 104 to the position of the rotating groove 106, the support ring 2 can rotate, and the support ring 2 is rotated to prevent the support ring 2 from sliding on the slide bar 104, so as to support the projector assembly 3.

According to the device, through the arrangement of the movable base 1, the support ring 2 and the projector main frame 3, the projector main frame 3 can also slide up and down on the slide rod 104, the support ring 2 can only slide on the slide rod 104, after the support ring 2 slides to the position of the rotating groove 106, the support ring 2 can rotate on the slide rod 104, the support ring 2 cannot slide on the slide rod 104, the support ring 2 can support the projector main frame 3, and the device has the function of being capable of extending and retracting and simultaneously preventing the projector main frame 3 from automatically sliding downwards on the slide rod 104.

In summary, the following steps: the device can move the device through the roller 101 by arranging the movable base 1, the projector assembly 3, the curtain frame 4 and the curtain storage rod 5, and the curtain storage rod 5 is fixed at the top of the projector assembly 3 through the curtain frame 4, so that a curtain of the curtain storage rod 5 can not shield the blackboard, the projector assembly 3 can rotate on the sliding rod 104, the angle of the curtain storage rod 5 can be adjusted, and the device has the functions of not shielding the blackboard and adjusting the angle of the curtain storage rod 5; according to the device, through the arrangement of the movable base 1, the support ring 2 and the projector main frame 3, the projector main frame 3 can also slide up and down on the slide rod 104, the support ring 2 can only slide on the slide rod 104, after the support ring 2 slides to the position of the rotating groove 106, the support ring 2 can rotate on the slide rod 104, the support ring 2 cannot slide on the slide rod 104, the support ring 2 can support the projector main frame 3, and the device has the function of being capable of extending and retracting and simultaneously preventing the projector main frame 3 from automatically sliding downwards on the slide rod 104.

The working principle is as follows: the device is when using, user control handle 103 makes brake lever 102 break away from with ground, make gyro wheel 101 and ground contact, can make the device remove, because curtain accomodates pole 5 and fixes at the top of projecting apparatus assembly 3 through curtain frame 4, and the device can remove, the curtain that can not make curtain accomodate pole 5 shelters from the blackboard, can not influence mr and write on the blackboard because projecting apparatus assembly 3 cup joints on slide bar 104 through mounting hole 302 activity, the user can rotate projecting apparatus assembly 3 through rotating rotatory handle 301, just so can adjust the angle that curtain accomodates pole 5, be favorable to student's viewing.

Because the projector main frame 3 is movably sleeved on the sliding rod 104 through the mounting hole 302, the projector main frame 3 can also slide up and down at the same time to shrink the device, the support ring 2 can only slide on the sliding rod 104 through the limiting sliding groove 105 and the limiting sliding block 202, after the support ring 2 slides to the position of the rotating groove 106, the support ring 2 can rotate on the sliding rod 104 to limit the sliding of the support ring 2 on the sliding rod 104, so that the projector main frame 3 can be supported through the support ring 2, and the projector main frame 3 is prevented from automatically sliding down from the sliding rod 104.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a projection equipment for teaching is write to primary school's chinese, includes that removal base (1), support ring (2), projecting apparatus are always put up (3), curtain frame (4) and curtain accomodate pole (5), its characterized in that: the upper surface of the moving base (1) is fixedly connected with a sliding rod (104), the lower surface of the moving base (1) is provided with two rollers (101), the moving base (1) is movably sleeved with the projector main frame (3) through the sliding rod (104), the top of the sliding rod (104) is provided with a limiting sliding groove (105), and the moving base (1) is slidably sleeved with the support ring (2) through the limiting sliding groove (105);

one side of projecting apparatus assembly (3) and the position fixedly connected with curtain frame (4) that is close to the top, equal fixedly connected with curb plate (401) in both ends of curtain frame (4), all seted up rotation hole (402) on curb plate (401), curtain frame (4) are accomodate pole (5) through rotating hole (402) and curtain and are rotated and be connected.

2. A projection device for use in primary school chinese writing teaching according to claim 1, wherein: the lower surface of the movable base (1) is fixedly connected with two brake levers (102) at positions far away from the two rollers (101), and the upper surface of the movable base (1) is fixedly connected with a control handle (103).

3. A projection device for use in primary school chinese writing teaching according to claim 1, wherein: the bottom of the projector assembly (3) is provided with a mounting hole (302) which is in contact with the sliding rod (104), the outer surface of the projector assembly (3) is fixedly connected with a rotating handle (301) at a position close to the bottom, and the top of the support ring (2) is in contact with the bottom of the projector assembly (3).

4. A projection device for use in primary school chinese writing teaching according to claim 1, wherein: the number of the limiting chutes (105) is two, and the two limiting chutes (105) are uniformly distributed about the axis of the sliding rod (104).

5. A projection device for use in primary school chinese writing teaching according to claim 1, wherein: trepanning (201) have been seted up at the top of support ring (2), trepanning (201) sets up to communicating with each other with the bottom of support ring (2), restriction slider (202) that fixedly connected with contacted with restriction spout (105) in trepanning (201), the quantity of restriction slider (202) is two and about the axis evenly distributed of trepanning (201).

6. A projection device for use in primary school chinese writing teaching according to claim 1, wherein: the outer surface of the sliding rod (104) is provided with a rotating groove (106), and the outer surface of the rotating groove (106) is in contact with the limiting sliding block (202).

7. A projection device for use in primary school chinese writing teaching according to claim 1, wherein: the equal fixedly connected with in both sides of pole (5) is accomodate to the curtain axis of rotation (501) that contact with rotation hole (402), one side fixedly connected with that pole (5) were accomodate to the curtain is kept away from in axis of rotation (501) receive and releases handle (502).