CN209472695U

CN209472695U - A kind of multi-media classroom projector apparatus

Info

Publication number: CN209472695U
Application number: CN201920654183.7U
Authority: CN
Inventors: 贺路伟; 张辉
Original assignee: Zhengzhou Electronic Information Career Technical College
Current assignee: Zhengzhou Electronic Information Career Technical College
Priority date: 2019-05-09
Filing date: 2019-05-09
Publication date: 2019-10-08
Anticipated expiration: 2029-05-09

Abstract

The utility model belongs to porjector technology field, in particular a kind of multi-media classroom projector apparatus, including offering several ventilation holes on outer housing and outer housing both side surface, being connected together at the position of the ventilation hole inside the outer housing has engagement plate shell, the inside of the engagement plate shell is connected with screen pack, the utility model is during use, while switch block is stirred to downside with hand, pulling block on outer housing inner wall is rotated under the action of bull stick, engagement plate shell inside outer housing pops up under the elastic force effect of the first spring, the screen pack being connected in engagement plate shell can quickly be removed and replace and clean by staff at this time, to solve the problems, such as that engagement plate shell is not easy to take out in outer enclosure interior in original multi-media classroom projector apparatus, will be to pressing on external hull surface Button is adjusted on time, is quickly checked by the amplification of macrophotograph to prompt word.

Description

A kind of multi-media classroom projector apparatus

Technical field

The utility model belongs to porjector technology field, and in particular to a kind of multi-media classroom projector apparatus.

Background technique

Projector be it is a kind of the profile of workpiece is amplified using optical element, and the optics instrument being projected on shadow screen Device, it can make profile measurement with transmitted light, it is also possible to the surface shape and observation piece surface of reflected light measurement blind hole.Projection The particularly suitable measurement complex outline of instrument and tiny workpiece, as clock and watch part, punching parts, electronic component, template, mold, screw thread, Gear and molding cutter etc., checkability is high, easy to use;It is widely used in measuring room, workshop, to instrument and meter and clock Table trades council occasion is especially suitable, projector, also known as projector, is that one kind can project image or video on curtain Equipment can be connected by the different same computers of interface, VCD, DVD, BD, game machine, DV etc. and play corresponding video letter Number, projector is now widely used for family, office, school and public place of entertainment, according to working method difference, there are CRT, LCD, The different types such as DLP often offer ventilation hole for radiating treatment in the two side portions of projector, and inside projector The screen pack of dust-separation is often installed at the position of ventilation hole, but after the use of certain time, screen pack On can also accumulate a large amount of dust, since screen pack is present in inside projector, the dust on for screen pack It needs to dismantle projector during processing, increase to a certain extent clean to dust processing on screen pack Button is distributed on the lower surface of projector so that cleaning process is relatively complicated in efficiency, restricted due to size itself, Prompt word beside some buttons and button be not easy to be pressed to and it is clear that reducing the quick modulability of projector apparatus.

Utility model content

To solve the problems mentioned above in the background art.The utility model provides a kind of multi-media classroom projector and sets It is standby, have the characteristics that convenient for dust on screen pack being cleaned and be can easily be accommodated projector apparatus button.

To achieve the above object, the utility model provides the following technical solutions: a kind of multi-media classroom projector apparatus, packet It includes and offers several ventilation holes in outer housing and outer housing both side surface, close to the ventilation hole inside the outer housing Being connected together at position has engagement plate shell, and the inside of the engagement plate shell is connected with screen pack, the two sides of the engagement plate shell Integrally formed with hooked scarf at position, the outer housing is rotatably connected to bull stick among the inner wall of the hooked scarf side, institute State and be sheathed with pulling block on bull stick, one end of the pulling block is welded with positive stop hook, the other end of the pulling block integrally formed with switch block, The positive stop hook is not contacted with the surface of the outer housing, has been fixed by screws connection on the lower surface of the outer housing Plate.

Preferably, the internal slide of the connecting plate is connected with slide plate, and being connected together between the two sides inner wall of slide plate has plate Block, the side of plate, which is fixed, macrophotograph, and the inside of the plate, which is worn, is connected to briquetting, briquetting and intraplate bottom surface Between mounting have second spring.

Preferably, limited block, the limited block are welded at the position of the positive stop hook on the outer housing inner wall Mounting has tension spring between the pulling block, and the both ends of the bull stick are sheathed with rotation spring, and the one end for revolving spring is bumped into the pulling block Inside, the other end for revolving spring is bumped into the outer housing.

Preferably, mounting has the first spring, institute between the bottom of the engagement plate shell and the bottom surface inside the outer housing It states to be connected together between the bottom surface at two side positions of screen pack bottom and inside the outer housing and has interlocking lever, interlocking lever is set altogether There are two setting, two interlocking levers are connected together together.

Preferably, button is inlaid at position corresponding with briquetting on the outer housing lower surface.

Preferably, there are four the pulling block is arranged altogether, two pulling blocks of side are one group, two institutes of phase the same side It states between pulling block integrally formed with connecting rod.

Preferably, rubber pad is bonded with by glue at the corner location of the outer housing lower surface.

Compared with prior art, the utility model has the beneficial effects that the utility model is during use, it will with hand While switch block is stirred to downside, the pulling block on outer housing inner wall is rotated under the action of bull stick, the rank inside outer housing Fishplate bar shell pops up under the elastic force effect of the first spring, and staff can will be connected in the filter screen in engagement plate shell at this time Plate, which is quickly removed, to be replaced and is cleaned, to solve in original multi-media classroom projector apparatus engagement plate shell in outer housing Inside is not easy to the problem of taking out, and to be adjusted on time to the button on external hull surface, pass through the amplification of macrophotograph Prompt word is quickly checked, and pressing briquetting makes its one end be in contact with the button on outer housing to complete Quickly adjustment, increases the practicability of multi-media classroom projector.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the structural schematic diagram of screen pack in the utility model；

Fig. 3 is the structural schematic diagram amplified at A in Fig. 1；

Fig. 4 is the structural schematic diagram that spring is revolved in the utility model；

Fig. 5 is the structural schematic diagram of macrophotograph in the utility model；

Fig. 6 is the structural schematic diagram of briquetting in the utility model.

In figure: 1, outer housing；2, ventilation hole；3, switch block；4, pulling block；5, engagement plate shell；6, connecting plate；7, slide plate；8, it presses Briquetting；9, screen pack；10, the first spring；11, interlocking lever；12, limited block；13, positive stop hook；14, hooked scarf；15, spring is revolved；16, Bull stick；17, macrophotograph；18, plate；19, second spring.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Embodiment 1

Please refer to Fig. 1-6, the utility model the following technical schemes are provided: a kind of multi-media classroom projector apparatus, including Several ventilation holes 2 are offered in 1 both side surface of outer housing 1 and outer housing, 1 inside of outer housing is close to the position of ventilation hole 2 Place, which is connected together, engagement plate shell 5, and the inside of engagement plate shell 5 is connected with screen pack 9, equal at two side positions of engagement plate shell 5 Integrally formed with hooked scarf 14, outer housing 1 is rotatably connected to bull stick 16, fitting on bull stick 16 among the inner wall of 14 side of hooked scarf There is pulling block 4, one end of pulling block 4 is welded with positive stop hook 13, and the other end of pulling block 4 is integrally formed with switch block 3, positive stop hook 13 and shell The surface of body 1 does not contact, and connecting plate 6 has been fixed by screws on the lower surface of outer housing 1, utilizes mistake on engagement plate shell 5 The fast changeable property of sieve plate 9, to solve in original multi-media classroom projector apparatus engagement plate shell 5 in outer housing 1 Portion is not easy to the problem of taking out.

Specifically, the internal slide of connecting plate 6 is connected with slide plate 7, being connected together between the two sides inner wall of slide plate 7 has plate 18, the side of plate 18, which is fixed, macrophotograph 17, and the inside of plate 18, which is worn, is connected to briquetting 8, in briquetting 8 and plate 18 Bottom surface between mounting have second spring 19, prompt word is quickly checked by the amplification of macrophotograph 17, and Pressing briquetting 8 makes its one end be in contact with the button on outer housing 1 to complete quickly adjustment, increases multimedia religion The practicability of room projector.

Specifically, being welded with limited block 12, limited block 12 and pulling block at the position of positive stop hook 13 on 1 inner wall of outer housing Mounting has tension spring between 4, and the both ends of bull stick 16 are sheathed with rotation spring 15, and one end of rotation spring 15 is bumped into the inside of pulling block 4, revolves spring 15 other end is bumped into outer housing 1, enables pulling block 4 and positive stop hook 13 when reinstalling engagement plate shell 5 quickly extensive Multiple limit is at original position.

Specifically, mounting has the first spring 10, filter screen between the bottom of engagement plate shell 5 and the bottom surface inside outer housing 1 Being connected together between bottom surface at two side positions of 9 bottom of plate and inside outer housing 1 has interlocking lever 11, and interlocking lever 11 is provided with two altogether A, two interlocking levers 11 are connected together together, under the elastic force effect of first spring of bottom 10 in outer housing 1 of engagement plate shell 5 It will receive upward power, the presence of interlocking lever 11 has certain position-limiting action to engagement plate shell 5, prevents it from swinging.

Specifically, being inlaid with button on 1 lower surface of outer housing at position corresponding with briquetting 8, pressing briquetting 8 makes Its one end is in contact to complete quickly adjustment with the button on outer housing 1, and button is to adjust projector internal work Important component.

Specifically, pulling block 4, altogether there are four settings, two pulling blocks 4 of side are one group, two pulling blocks 4 of phase the same side it Between integrally formed with connecting rod, make staff when pressing switch block 3 by connecting rod, upper and lower two pulling blocks 4 can carry out simultaneously Rotation, convenient for adjusting and operating.

Specifically, being bonded with rubber pad by glue at the corner location of 1 lower surface of outer housing, placed by outer housing 1 When on desktop, since outer housing 1 will not be slided easily when desktop is made to be collided for the presence of rubber pad, and externally There is certain protective effect in the bottom surface of shell 1.

The working principle and process for using of the utility model: the utility model during use, when outer housing 1 use After a period of time, can accumulate on screen pack 9 has a certain amount of dust, and staff can stir downwards switch block 3 with hand at this time, The both ends of 3 side of switch block have been inconjunction with pulling block 4, and the switching of pulling block 4 is on the bull stick 16 between 1 inner wall of outer housing, and pulling block 4 is different from turning One end of block 3 is provided with hooked scarf 14, and hooked scarf 14 can be dug upwards while switch block 3 moves down, in the process engagement plate It can pop up and be exposed in the air of outside under the elastic force effect of first spring of bottom 10 in outer housing 1 of shell 5, work people The screen pack 9 engaged in engagement plate shell 5 can quickly be taken out and be replaced by member, while be carried out clearly to dirty screen pack 9 Clean processing equally presses down on the switch block 3 of side, together after being clamped clean screen pack 9 into engagement plate shell 5 with hand When engagement plate shell 5 is mobile to the inside of outer housing 1, after being moved to certain position, the hand that will press switch block 3 unclamps, rank Fishplate bar shell 5 and screen pack 9 are preferably fixed under two sides hooked scarf 14 and the clamping of positive stop hook 13, wherein in outer housing 1 It is provided with limited block 12 at the position of pulling block 4 on wall, mounting has tension spring, bull stick between limited block 12 and positive stop hook 13 16 end positions are also sheathed with rotation spring 15, and pulling block 4 and positive stop hook 13 is enabled quickly to restore to limit in original position Place is needing to adjust on time the button on 1 surface of outer housing, is passing through macrophotograph to complete the fixing to engagement plate shell 5 17 amplification to prompt word quickly checked, and press briquetting 8 make its one end and outer housing 1 on button It is in contact to complete quickly adjustment, be slidably connected between mesoplate 18 and the inner wall of slide plate 7, ensure that observation is adjusted Section work is normally carried out.

Finally, it should be noted that the above descriptions are merely preferred embodiments of the present invention, it is not limited to this Utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art For, it is still possible to modify the technical solutions described in the foregoing embodiments, or to part of technical characteristic It is equivalently replaced.Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on, It should be included within the scope of protection of this utility model.

Claims

1. being offered on a kind of multi-media classroom projector apparatus, including outer housing (1) and outer housing (1) both side surface several A ventilation hole (2), it is characterised in that: internal be connected together at the position of the ventilation hole (2) of the outer housing (1) has rank The inside of fishplate bar shell (5), the engagement plate shell (5) is connected with screen pack (9), at two side positions of the engagement plate shell (5) Integrally formed with hooked scarf (14), the outer housing (1) is rotatably connected among the inner wall of the hooked scarf (14) side Bar (16) is sheathed with pulling block (4) on the bull stick (16), and one end of the pulling block (4) is welded with positive stop hook (13), the pulling block (4) the other end is not contacted integrally formed with switch block (3), the positive stop hook (13) with the surface of the outer housing (1), described outer Connecting plate (6) have been fixed by screws on the lower surface of shell (1).

2. a kind of multi-media classroom projector apparatus according to claim 1, it is characterised in that: the connecting plate (6) Internal slide is connected with slide plate (7), and being connected together between the two sides inner wall of slide plate (7) has plate (18), the side of plate (18) Being fixed has macrophotograph (17), and the inside of the plate (18), which is worn, to be connected to briquetting (8), in briquetting (8) and plate (18) Bottom surface between mounting have second spring (19).

3. a kind of multi-media classroom projector apparatus according to claim 1, it is characterised in that: in the outer housing (1) Be welded with limited block (12) at the position of the positive stop hook (13) on wall, the limited block (12) and the pulling block (4) it Between mounting have a tension spring, the both ends of the bull stick (16) are sheathed with rotation spring (15), and one end of rotation spring (15) is bumped into the pulling block (4) inside, the other end of rotation spring (15) are bumped into the outer housing (1).

4. a kind of multi-media classroom projector apparatus according to claim 1, it is characterised in that: the engagement plate shell (5) Bottom and the internal bottom surface of the outer housing (1) between splice and have the first spring (10), the two of screen pack (9) bottom Being connected together between the bottom surface of the outer housing (1) inside at side position has interlocking lever (11), and interlocking lever (11) is provided with two altogether A, two interlocking levers (11) are connected together together.

5. a kind of multi-media classroom projector apparatus according to claim 1, it is characterised in that: under the outer housing (1) Button is inlaid at position corresponding with briquetting (8) on surface.

6. a kind of multi-media classroom projector apparatus according to claim 1, it is characterised in that: the pulling block (4) sets altogether There are four setting, the pulling block (4) of two of side is one group, between the pulling block (4) of two of phase the same side integrally formed with Connecting rod.

7. a kind of multi-media classroom projector apparatus according to claim 1, it is characterised in that: under the outer housing (1) Rubber pad is bonded with by glue at the corner location on surface.