CN212745604U

CN212745604U - Projecting apparatus fixing device for education

Info

Publication number: CN212745604U
Application number: CN202020994734.7U
Authority: CN
Inventors: 李娜
Original assignee: Qiannan National Kindergarten Normal College
Current assignee: Qiannan National Kindergarten Normal College
Priority date: 2020-06-03
Filing date: 2020-06-03
Publication date: 2021-03-19
Anticipated expiration: 2030-06-03

Abstract

The utility model discloses a projecting apparatus fixing device for education belongs to the fixed technical field of projecting apparatus equipment, including the ceiling, the lower extreme of ceiling is dug there are two first screw holes, two first screw hole female connection have two mounting screws, two mounting screw through connection piece threaded connection are in two first screw holes, the lower extreme fixedly connected with spliced pole of connecting block, the lower extreme fixedly connected with pivot of spliced pole, the lower extreme rotation of pivot is connected with and holds the case, hold the equal fixedly connected with third fixed block in two parts about the left end of case, fixedly connected with screw rod between two third fixed blocks, finally can realize fixing the projecting apparatus on fixing device through simple buckle structure, and easy operation also can fix it through simple operation when changing other model projecting apparatus, and is suitable for various projecting apparatuses.

Description

Projecting apparatus fixing device for education

Technical Field

The utility model relates to a fixed technical field of projector equipment, more specifically say, relate to a projector fixing device for education.

Background

Education is a social science for studying human educational activities and rules, which is widely used in human life, and discloses a general rule of education through studying educational phenomena and educational problems in order to cultivate students.

The projecting apparatus that uses commonly at present all adopts supporting fixed equipment to fix the projecting apparatus, and this type of fixed equipment function is single, still need to change fixed equipment after changing the projecting apparatus and just can install the projecting apparatus, and is very inconvenient in the teaching.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a projecting apparatus fixing device for education, it can realize fixing the projecting apparatus on fixing device through simple buckle structure, and easy operation also can be fixed it through simple operation when changing other model projecting apparatus, is applicable to various projecting apparatus.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

a projector fixing device for education comprises a ceiling, wherein two first threaded holes are formed in the lower end of the ceiling in a chiseled mode, two mounting screws are connected with the first threaded holes in an inner threaded mode and penetrate through a connecting block in a threaded mode and are connected with the two first threaded holes in the two first threaded holes, a connecting column is fixedly connected to the lower end of the connecting block, a rotating shaft is fixedly connected to the lower end of the connecting column, a containing box is rotatably connected to the lower end of the rotating shaft, third fixed blocks are fixedly connected to the upper portion and the lower portion of the left end of the containing box respectively, a screw rod is fixedly connected between the two third fixed blocks, a first sliding groove is formed in the left end of the containing box, two second connecting rods are slidably connected in the first sliding groove, second sliding grooves are formed in the upper ends of the two second connecting rods respectively, and second limiting blocks are fixedly connected to the right ends of the two, the circumference surfaces of the two second connecting rods are sleeved with springs, the left inner wall of the containing box is fixedly connected with two first limiting blocks, the two second connecting rods penetrate through the two first limiting blocks, the two first limiting blocks are positioned at the left parts of the second limiting blocks, the two springs are fixedly connected with the two first limiting blocks and the two second limiting blocks, the right end of the containing box is fixedly connected with a second fixing block, the right end of the containing box is provided with a first square hole in which a square connecting rod is movably inserted, the right end of the square connecting rod is fixedly connected with a first handle, the left end of the square connecting rod is fixedly connected with a limiting plate, the upper end of the square connecting rod is provided with a first slot in which a second inserting pin is movably inserted, and the second inserting pin penetrates through the second fixing block and is movably inserted in the slot, the lower inner wall fixedly connected with backup pad that holds the case, the projecting apparatus has been placed to the upper end of backup pad, the projecting apparatus is located between two second stoppers and the limiting plate, finally can realize fixing the projecting apparatus on fixing device through simple buckle structure, and easy operation also can be fixed it through simple operation when changing other model projecting apparatus, is applicable to various projecting apparatus.

As a preferred scheme of the utility model, the first fixed block of left end fixedly connected with of pivot, the upper end of first fixed block is excavated there is first round hole, the upper end of holding the case is excavated there is the second slot that a plurality of encircles the pivot, and a plurality of second slot and first round hole phase-match, first round hole internalization is pegged graft and is had first bolt, first bolt activity is pegged graft in the second slot.

As a preferred scheme of the utility model, the lower extreme that holds the case is excavated and is had three first louvre, the fixedly connected with dust screen in the first louvre, the lower extreme of backup pad is excavated and is had the even second louvre of a plurality of distribution.

As a preferred scheme of the utility model, the front end that holds the case is excavated there is the second square hole, the inner wall in second square hole articulates through the hinge has the door, the front end fixedly connected with door handle of door.

As a preferred scheme of the utility model, two the left end fixedly connected with second handle of second connecting rod, two the surface of second handle and door handle has all wrapped up the rubber sleeve, and is three anti-skidding line is all carved with on the surface of rubber sleeve.

As an optimal scheme of the utility model, it is stainless steel to hold case and spliced pole, and the surface that just holds case and spliced pole is all done the galvanizing treatment.

Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) when the projector needs to be fixed, the door handle is held by a hand, the door is opened, the projector is placed at the upper end of the supporting plate, the first handle is held by the hand and is pushed leftwards, the leftward pushing of the first handle causes the square connecting rod to move leftwards, the movement to the second first slot from left to right is stopped, the second bolt is held by the hand, the second bolt penetrates through the second fixing block and is inserted into the second first slot from left to right, the leftward movement of the square connecting rod causes the left end of the limiting plate to be in contact with the right end of the projector, the leftward movement of the square connecting rod causes the projector to move leftwards, the leftward movement of the projector causes the left end of the projector to be in contact with the right ends of the two second limiting blocks, the leftward movement of the projector drives the two second limiting blocks to move leftwards, and the two second limiting blocks move left, two second fixed blocks make two second stoppers promote the projecting apparatus right under elastic deformation's effect, because the limiting plate has been fixed, so two second stoppers and limiting plate mutually support and fix the projecting apparatus in the backup pad, according to the projecting apparatus of different models, can reciprocate two second connecting rods through the adjustment of two nuts, also can stimulate two second connecting rods left through two second handles, make bigger projecting apparatus can put in the backup pad, with projecting apparatus card between limiting plate and two second stoppers under the elastic deformation effect of two springs, can realize fixing the projecting apparatus on fixing device through simple buckle structure, and the operation is thus simple, also can fix it through simple operation when changing other model projecting apparatus, and the utility model is suitable for various projecting apparatuses.

(2) This scheme when angle about the needs adjust the projecting apparatus, the left and right sides rotation holds the case, run through first fixed block with first bolt and insert in the corresponding second slot can, finally realized projecting apparatus turned angle and fixed.

Drawings

Fig. 1 is a sectional view of an educational projector mount of the present invention;

fig. 2 is a partial view of a portion a of fig. 1 of an educational projector mount of the present invention;

fig. 3 is a front view of the projector fixing device for education according to the present invention.

The reference numbers in the figures illustrate:

1 ceiling, 2 connecting blocks, 3 mounting screws, 4 connecting columns, 5 rotating shafts, 6 first fixing blocks, 7 first bolts, 8 containing boxes, 9 second slots, 10 second fixing blocks, 11 second bolts, 12 first handles, 13 square connecting rods, 14 third fixing blocks, 15 screw rods, 16 second connecting rods, 17 nuts, 18 springs, 19 first limiting blocks, 20 second limiting blocks, 21 dustproof nets, 22 supporting plates, 23 second heat dissipation holes, 24 limiting plates, 25 projectors, 26 doors, 27 door handles and 28 second handles.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

referring to fig. 1-3, a projector fixing device for education includes a ceiling 1, two first screw holes are drilled at the lower end of the ceiling 1, two mounting screws 3 are connected to the two first screw holes through the two mounting screws 3, the two mounting screws 3 are connected to the two first screw holes through the connecting block 2, the lower end of the connecting block 2 is fixedly connected to a connecting column 4, the lower end of the connecting column 4 is fixedly connected to a rotating shaft 5, the lower end of the rotating shaft 5 is rotatably connected to a containing box 8, the upper and lower parts of the left end of the containing box 8 are fixedly connected to third fixing blocks 14, a screw 15 is fixedly connected between the two third fixing blocks 14, a first chute is drilled at the left end of the containing box 8, two second connecting rods 16 are slidably connected to the first chute, the upper ends of the two second connecting rods 16 are both drilled with second chutes, the screw 15 is slidably connected to the two, the right ends of the two second connecting rods 16 are fixedly connected with second limiting blocks 20, the circumferential surfaces of the two second connecting rods 16 are sleeved with springs 18, the left inner wall of the accommodating box 8 is fixedly connected with two first limiting blocks 19, the two second connecting rods 16 penetrate through the two first limiting blocks 19, the two first limiting blocks 19 are positioned at the left part of the second limiting blocks 20, the two springs 18 are fixedly connected with the two first limiting blocks 19 and the two second limiting blocks 20, the right end of the accommodating box 8 is fixedly connected with a second fixing block 10, the right end of the accommodating box 8 is provided with a first square hole, a square connecting rod 13 is movably inserted in the first square hole, the right end of the square connecting rod 13 is fixedly connected with a first handle 12, the left end of the square connecting rod 13 is fixedly connected with a limiting plate 24, the upper end of the square connecting rod 13 is provided with a first slot, and a second bolt 11 is movably, second bolt 11 runs through the activity of second fixed block 10 and pegs graft in the slot, holds the lower inner wall fixedly connected with backup pad 22 of case 8, and projecting apparatus 25 has been placed to the upper end of backup pad 22, and projecting apparatus 25 is located between two second stopper 20 and limiting plate 24.

In this embodiment, the connecting block 2 is for connecting the connecting column 4, the mounting screw 3 is for fixing the connecting block 2 to the ceiling 1, and is for drilling a first threaded hole, the first threaded hole is for screwing with the mounting screw 3, the connecting column 4 is for connecting the rotating shaft 5, the rotating shaft 5 is for rotating, the accommodating box 8 is for placing the projector 25, the two third fixing blocks 14 are for connecting the screw rod 15, the first sliding groove is for sliding the two second connecting rods 16, the two second connecting rods 16 are for connecting the second limiting blocks 20 and the second handle 28, the second sliding groove is for sliding the screw rod 15 inside, the two second limiting blocks 20 are for limiting the position of the projector 25, the two springs 18 are for compressing, and the two first limiting blocks 19 are for connecting the two springs 18, the second fixing block 10 is used for facilitating penetration of the second bolt 11, the first square hole is used for facilitating insertion of the square connecting rod 13, the first handle 12 is used for facilitating drawing of the square connecting rod 13, the first slot is used for facilitating insertion of the second bolt 11, the limiting plate 24 is used for facilitating limiting the position of the projector 25, the square connecting rod 13 is used for facilitating connection of the limiting plate 24, the supporting plate 22 is used for facilitating placement of the projector 25, and the projector 25 is used for projection.

Specifically, referring to fig. 1-3, a first fixing block 6 is fixedly connected to the left end of the rotating shaft 5, a first circular hole is formed in the upper end of the first fixing block 6, a plurality of second slots 9 surrounding the rotating shaft 5 are formed in the upper end of the accommodating box 8, the plurality of second slots 9 are matched with the first circular hole, a first plug 7 is movably inserted into the first circular hole, and the first plug 7 is movably inserted into the second slots 9

In this embodiment, the left end fixedly connected with first fixed block 6 of pivot 5, first fixed block 6 is for the convenience of digging first round hole, first round hole has been dug to the upper end of first fixed block 6, first round hole is for the convenience of pegging graft first bolt 7, the upper end that holds case 8 is dug and is had the second slot 9 of a plurality of encircleing pivot 5, a plurality of second slot 9 is for the convenience of pegging graft of first bolt 7, and a plurality of second slot 9 and first round hole phase-match, be for the convenience of first bolt 7 can insert first round hole and second slot 9 simultaneously, first round hole internalization is pegged graft and is had first bolt 7, first bolt 7 activity is pegged graft in second slot 9, first bolt 7 is for the convenience of restricting and holds case 8 pivoted.

Specifically, referring to fig. 1, the lower end of the accommodating box 8 is drilled with three first heat dissipating holes, the first heat dissipating holes are fixedly connected with a dust screen 21, and the lower end of the supporting plate 22 is drilled with a plurality of second heat dissipating holes 23 uniformly distributed.

In this embodiment, the lower end of the accommodating box 8 is provided with three first heat dissipating holes, the first heat dissipating holes are used for dissipating heat, the first heat dissipating holes are fixedly connected with a dust screen 21, the dust screen 21 is used for preventing dust, the lower end of the supporting plate 22 is provided with a plurality of second heat dissipating holes 23 uniformly distributed, and the second heat dissipating holes 23 are also used for dissipating heat.

Specifically, referring to fig. 3, a second square hole is cut at the front end of the accommodating box 8, a door 26 is hinged to the inner wall of the second square hole through a hinge, and a door handle 27 is fixedly connected to the front end of the door 26.

In this embodiment, the front end of the accommodating box 8 is provided with a second square hole, the second square hole is convenient for installing a hinge, the inner wall of the second square hole is hinged with a door 26 through the hinge, the door 26 is convenient for opening and repairing the device, the front end of the door 26 is fixedly connected with a door handle 27, and the door handle 27 is convenient for better opening the door 26.

Specifically, referring to fig. 1-3, the left ends of the two second connecting rods 16 are fixedly connected with second handles 28, the surfaces of the two second handles 28 and the door handle 27 are wrapped with rubber sleeves, and the surfaces of the three rubber sleeves are engraved with anti-slip patterns.

In this embodiment, the equal fixedly connected with second handle 28 of the left end of two second connecting rods 16, two second handles 28 are for the convenience of second connecting rod 16 pull out left, and the surface of two second handles 28 and door handle 27 all wraps up there is the rubber sleeve, and three rubber sleeve is for improving the comfort level of hand, and the surface of three rubber sleeve is all carved with anti-skidding line, and the carving of anti-skidding line is for preventing the hand is skid, has further improved the security of this device.

Specifically, referring to fig. 1-3, the accommodating box 8 and the connecting column 4 are made of stainless steel, and the surfaces of the accommodating box 8 and the connecting column 4 are galvanized.

In this embodiment, hold case 8 and spliced pole 4 and be stainless steel, stainless steel is rusty in order to prevent this device, has improved the life of this device, and holds case 8 and spliced pole 4's surface and all do the galvanizing treatment, and the galvanizing treatment is in order to make this device more pleasing to the eye.

The working principle is as follows: when the projector needs to be fixed, the door handle 27 is held by a hand, the door 26 is opened, the projector 25 is placed at the upper end of the support plate 22, the first handle 12 is held by a hand, the first handle 12 is pushed leftwards, the leftward pushing of the first handle 12 causes the square connecting rod 13 to move leftwards, the movement to the second first slot from left to right is stopped, the second bolt 11 is held by a hand, the second bolt 11 penetrates through the second fixing block 10 and is inserted into the second first slot from left to right, the leftward movement of the square connecting rod 13 causes the left end of the limiting plate 24 to be in contact with the right end of the projector 25, the leftward movement of the square connecting rod 13 causes the leftward movement of the projector 25, the leftward movement of the projector 25 causes the left end of the projector 25 to be in contact with the right ends of the two second limiting blocks 20, the leftward movement of the projector 25 drives the two second limiting blocks 20 to move leftwards, the two second limiting blocks 20 move, the two second fixing blocks 10 enable the two second limiting blocks 20 to push the projector 25 rightwards under the action of elastic deformation, the limiting plate 24 is fixed, so the two second limiting blocks 20 and the limiting plate 24 are mutually matched to fix the projector 25 on the supporting plate 22, the two second connecting rods 16 can move up and down through the adjustment of the two screw caps 17 according to the projectors 25 of different models, the two second connecting rods 16 can also be pulled leftwards through the two second handles 28, so that a larger projector 25 can be placed on the supporting plate 22, the projector 25 is clamped between the limiting plate 24 and the two second limiting blocks 20 under the action of the elastic deformation of the two springs 18, the projector can be fixed on the fixing device through a simple clamping structure, the operation is simple, and the projector can be fixed through simple operation when the projectors of other models are replaced, be applicable to various projecting apparatus, when angle about the needs adjust the projecting apparatus, the horizontal rotation holds case 8, run through first bolt 7 first fixed block 6 insert corresponding second slot 9 in can, finally realized projecting apparatus turned angle and fixed.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. A projector mount device for education, comprising a ceiling (1), characterized in that: the lower extreme of ceiling (1) is excavated and is had two first screw holes, two first screw hole female connection has two mounting screws (3), two mounting screws (3) through connection piece (2) threaded connection is in two first screw holes, the lower extreme fixedly connected with spliced pole (4) of connecting block (2), the lower extreme fixedly connected with pivot (5) of spliced pole (4), the lower extreme rotation of pivot (5) is connected with and holds case (8), the equal fixedly connected with third fixed block (14) in both parts about the left end of holding case (8), two fixedly connected with screw rod (15) between third fixed block (14), the left end of holding case (8) is excavated and is had first spout, sliding connection has two second connecting rod (16) in the first spout, two the second spout has all been excavated to the upper end of second connecting rod (16), the screw (15) is connected with the two second sliding grooves in a sliding manner, the right ends of the two second connecting rods (16) are fixedly connected with second limiting blocks (20), springs (18) are sleeved on the circumferential surfaces of the two second connecting rods (16), the left inner wall of the accommodating box (8) is fixedly connected with two first limiting blocks (19), the two second connecting rods (16) penetrate through the two first limiting blocks (19), the two first limiting blocks (19) are positioned at the left part of the second limiting blocks (20), the two springs (18) are fixedly connected with the two first limiting blocks (19) and the two second limiting blocks (20), the right end of the accommodating box (8) is fixedly connected with a second fixing block (10), a first square hole is formed in the right end of the accommodating box (8), and a square connecting rod (13) is movably inserted in the first square hole, the right-hand member fixedly connected with first in command (12) of square connecting rod (13), the left end fixedly connected with limiting plate (24) of square connecting rod (13), the upper end of square connecting rod (13) is opened and is dug there is first slot, the activity is pegged graft in first slot has second bolt (11), second bolt (11) run through second fixed block (10) activity and are pegged graft in the slot, hold lower inner wall fixedly connected with backup pad (22) of case (8), projecting apparatus (25) have been placed to the upper end of backup pad (22), projecting apparatus (25) are located between two second stopper (20) and limiting plate (24).

2. An educational projector mount according to claim 1, wherein: the left end fixedly connected with of pivot (5) first fixed block (6), the upper end of first fixed block (6) is cut and is dug there is first round hole, the upper end of containing box (8) is cut and is dug second slot (9) that have a plurality of to encircle pivot (5), and a plurality of second slot (9) and first round hole phase-match, first round hole internalization is pegged graft and is had first bolt (7), first bolt (7) activity is pegged graft in second slot (9).

3. A projector fixture for education as claimed in claim 2, wherein: the lower extreme of holding case (8) is opened and is dug there is three first louvre, fixedly connected with dust screen (21) in the first louvre, the lower extreme of backup pad (22) is opened and is dug there are a plurality of second louvre (23) that distribute evenly.

4. A projector fixture for education as claimed in claim 3, wherein: a second square hole is drilled at the front end of the accommodating box (8), a door (26) is hinged to the inner wall of the second square hole through a hinge, and a door handle (27) is fixedly connected to the front end of the door (26).

5. An educational projector mount according to claim 4, wherein: the left ends of the two second connecting rods (16) are fixedly connected with second handles (28), the surfaces of the two second handles (28) and the door handle (27) are wrapped with rubber sleeves, and anti-skid grains are carved on the surfaces of the three rubber sleeves.

6. An educational projector mount according to claim 5, wherein: the containing box (8) and the connecting column (4) are made of stainless steel materials, and the surfaces of the containing box (8) and the connecting column (4) are galvanized.