CN210831318U

CN210831318U - Folding projector

Info

Publication number: CN210831318U
Application number: CN201921729807.3U
Authority: CN
Inventors: 刘秀芳
Original assignee: Shenzhen Weitaixin Industry Co ltd
Current assignee: Shenzhen Weitaixin Industry Co ltd
Priority date: 2019-10-16
Filing date: 2019-10-16
Publication date: 2020-06-23
Anticipated expiration: 2029-10-16

Abstract

The utility model discloses a foldable projecting apparatus, including the host computer box, host computer box front end face left side position is provided with the light trap, be provided with projection lens in the light trap, host computer box up end middle part position is provided with the mounting groove, be provided with adjustable dead lever in the mounting groove, the dead lever head is provided with the telescopic link, dead lever afterbody intermediate position is provided with the pivot, mounting groove both sides inner wall corresponds pivot position and is provided with the circular slot, telescopic link head both ends position is provided with the fixed plate, the fixed plate middle part is provided with the installation screw. A foldable projecting apparatus, through set up the mounting groove at host computer box up end, set up adjustable dead lever and telescopic link through the mounting groove, it is fixed with the wall crown to lift up the dead lever and expand the fixed plate that can utilize the telescopic link both sides with the telescopic link to convenient install at public place, need not additionally carry the dead lever again, it is more high-efficient convenient to make the installation.

Description

Folding projector

Technical Field

The utility model relates to a projecting apparatus field, in particular to foldable projecting apparatus.

Background

The projecting apparatus, also known as the projector, can be one kind with image or video projection equipment on the curtain, the present wide application of projecting apparatus in various occasions, in school, the gymnasium, public places such as studio, the projecting apparatus is mostly through connecting a dead lever at the up end and passing through the bolt fastening to the wall crown, thereby make the projection region of projecting apparatus have certain height, promote the bandwagon effect of projection content, but the projecting apparatus commonly used need additionally carry a dead lever when fixing to the wall body, the operation is got up more complicatedly, unable efficient reply different service environment, bring inconvenience for the user.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a foldable projector, which can effectively solve the problems of the background art.

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

the utility model provides a foldable projecting apparatus, includes the host computer box, host computer box front end face left side position is provided with the light trap, be provided with projection lens in the light trap, host computer box up end middle part position is provided with the mounting groove, be provided with adjustable dead lever in the mounting groove, the dead lever head is provided with the telescopic link, dead lever afterbody intermediate position is provided with the pivot, mounting groove both sides inner wall corresponds pivot position and is provided with the circular slot, telescopic link head both ends position is provided with the fixed plate, the fixed plate middle part is provided with the installation screw, mounting groove both sides inner wall corresponds the fixed plate position and is provided with the rectangular channel, host computer box right-hand member face afterb.

Preferably, the terminal surface is provided with the ventilation hole in light-transmitting groove right side position before the host computer box, host computer box right-hand member face front end position is provided with shift knob, the fixed plate is through welding and telescopic link constitution an organic whole.

Preferably, a round hole is formed in the right end face of the main machine box at the rear position of the adjusting knob, a connecting rod is arranged in the round hole, and the head of the connecting rod extends out of the round hole and is connected to the middle position of the rear end face of the adjusting knob.

Preferably, the pivot passes in dead lever and both ends stretch into the circular slot, pivot both ends top position is provided with the fixed block, the circular slot inner wall corresponds the fixed block position and is provided with the arc wall, the contained angle of arc wall is the degree, be provided with main elastic component in the arc wall in fixed block below position, main elastic component afterbody is fixed to the arc wall bottom.

Preferably, the inner wall of one side of the rectangular channel of the right wall of the mounting groove is provided with a limiting groove, the limiting groove is located above the fixed plate, a fixed shaft is arranged between the inner walls of two sides of the limiting groove, a limiting block is arranged in the limiting groove through a fixed shaft, a torsion spring is arranged between the inner wall of two sides of the fixed shaft and the inner wall of two sides of the limiting groove, the head of the limiting block stretches into the rectangular channel, and the tail part of the connecting rod is connected to the middle position of the end face of.

Compared with the prior art, the utility model discloses following beneficial effect has:

the utility model discloses in, through setting up the mounting groove at host computer box up end, utilize the mounting groove to set up adjustable dead lever and telescopic link, the fixed plate middle part at telescopic link head both ends is provided with the installation screw, move the telescopic link head to the wall crown and through the fixed projecting apparatus that the installation screw can be convenient, and need not additionally carry the dead lever again, the spacing inslot of rectangular channel one side inner wall is provided with adjustable stopper, utilize the convenient position of accomodating and fixing the telescopic link of stopper, the adjust knob of host computer box right-hand member face can change the position of stopper, can be convenient take out the telescopic link, it is more convenient to make the use.

Drawings

Fig. 1 is a schematic view of an overall structure of a foldable projector according to the present invention;

fig. 2 is a side sectional view of a mounting groove of a foldable projector according to the present invention;

fig. 3 is an enlarged view of a portion a in fig. 2.

In the figure: 1. a main chassis; 2. a light-transmitting groove; 3. a projection lens; 4. a vent hole; 5. a switch button; 6. mounting grooves; 7. fixing the rod; 8. a telescopic rod; 9. a rotating shaft; 10. a circular groove; 11. a fixing plate; 12. a rectangular groove; 13. mounting a screw hole; 14. a fixed block; 15. an arc-shaped slot; 16. a primary elastic member; 17. a limiting groove; 18. a fixed shaft; 19. a limiting block; 20. a torsion spring; 21. a connecting rod; 22. a circular hole; 23. and adjusting a knob.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 to which the reference is made 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," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or 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.

As shown in fig. 1-3, a foldable projecting apparatus, including host computer box 1, the terminal surface left side position before host computer box 1 is provided with light trap 2, be provided with projection lens 3 in the light trap 2, host computer box 1 up end middle part position is provided with mounting groove 6, be provided with adjustable dead lever 7 in the

mounting groove

6, 7 heads of dead lever are provided with

telescopic link

8, 7 afterbody intermediate positions of dead lever are provided with

pivot

9, 6 both sides inner wall of mounting groove correspond pivot 9 positions and are provided with

circular slot

10, 8 head both ends positions of telescopic link are provided with

fixed plate

11, 11 middle parts of fixed plate are provided with

installation screw

13, 6 both sides inner wall of mounting groove correspond fixed plate 11 positions and are provided with

rectangular channel

12, 1 right-hand member face afterb.

A ventilation hole 4 is formed in the front end face of the main machine box 1 at the right side of the light transmission groove 2, a switch button 5 is arranged at the front end position of the right end face of the main machine box 1, and the fixed plate 11 and the telescopic rod 8 are integrated into a whole through welding; a round hole 22 is formed in the right end face of the main machine box 1 at the rear position of the adjusting knob 23, a connecting rod 21 is arranged in the round hole 22, and the head of the connecting rod 21 extends out of the round hole 22 and is connected to the middle position of the rear end face of the adjusting knob 23; the rotating shaft 9 penetrates through the fixing rod 7, two ends of the rotating shaft extend into the circular groove 10, fixing blocks 14 are arranged at the top parts of two ends of the rotating shaft 9, an arc-shaped groove 15 is arranged on the inner wall of the circular groove 10 corresponding to the fixing blocks 14, the included angle of the arc-shaped groove 15 is 100 degrees, a main elastic part 16 is arranged below the fixing blocks 14 in the arc-shaped groove 15, and the tail part of the main elastic part 16 is fixed to the bottom of the arc-shaped groove 15; a limiting groove 17 is formed in the inner wall of one side of a rectangular groove 12 of the right wall of the mounting groove 6, the limiting groove 17 is located above the fixing plate 11, a fixing shaft 18 is arranged between the inner walls of two sides of the limiting groove 17, a limiting block 19 is arranged in the limiting groove 17 through the fixing shaft 18, a torsion spring 20 is arranged between the inner wall of the fixing shaft 18 and the inner wall of two sides of the limiting groove 17, the head of the limiting block 19 extends into the rectangular groove 12, and the tail of a connecting rod 21 is connected to the middle position of the.

It should be noted that, the utility model relates to a folding projector, through setting up adjustable dead lever 7 and telescopic link 8 in the mounting groove 6, lift up dead lever 7 and expand telescopic link 8 can utilize the fixed plate 11 of the both sides of telescopic link 8 to fix with the wall top, thus the convenient installation; when the device is used, an adjusting knob 23 on the right end face of the host box 1 is found firstly, the adjusting knob 23 is rotated, the adjusting knob 23 drives a connecting rod 21 at the rear to rotate, the connecting rod 21 drives a fixing shaft 18 connected with the tail to rotate together, the fixing shaft 18 drives a limit block 19 connected with the fixing shaft to rotate when rotating, the limit block 19 rotates towards the rear of a limit groove 17 along with the fixing shaft 18, a torsion spring 20 inside the fixing shaft 18 is stressed to generate compression until the head of the limit block 19 leaves a rectangular groove 12, at the moment, a fixing plate 11 below the limit block 19 at the bottom of the rectangular groove 12 loses the blockage, because the fixing rod 7 is positioned in a mounting groove 6 in an initial state, a fixing block 14 at the top of a rotating shaft 9 in a circular groove 10 rotates ninety degrees backwards along an arc-shaped groove 15, the fixing block 14 extrudes a main elastic part 16 of the arc-shaped groove 15, the fixing block 14 rotates upwards along the arc-shaped groove 15 again under the action of the elastic force of the main elastic part 16, the fixing block 14 drives the rotating shaft 9 to rotate, the rotating shaft 9 drives the connected fixing rod 7 to rotate, the fixing rod 7 drives the telescopic rod 8 above to rotate, the telescopic rod 8 drives the fixing plates 11 on two sides of the head position to rotate upwards, so that the fixing plates 11 rotate away from the rectangular groove 12 until the fixing plates reach a vertical state, the fixing rod 7 and the telescopic rod 8 reach a stable state under the elastic force of the main elastic part 16, then the telescopic rod 8 is opened, the head of the telescopic rod 8 is aligned to the wall top, and the fixing plates can be conveniently fixed to the wall top by utilizing the mounting screw holes 13; when the telescopic rod 8 needs to be stored, the telescopic rod 8 and the fixed rod 7 are folded according to the opposite steps and are pressed down to the bottom of the mounting groove 6 for storage, the fixed plates 11 on the two sides of the head of the telescopic rod 8 gradually enter the corresponding rectangular grooves 12 and extend out of the limiting blocks 19 of the rectangular grooves 12 through bottom extrusion, the limiting blocks 19 are extruded to rotate towards the bottoms of the limiting grooves 17, the limiting blocks 19 drive the connected fixed shafts 18 to rotate, the torsion springs 20 in the fixed shafts 18 are extruded and compressed until the limiting blocks 19 enter the limiting grooves 17, after the fixed plates 11 continuously move to the positions below the limiting grooves 17, the limiting blocks 19 which are not extruded at the moment rotate again under the elastic force of the torsion springs 20 and extend into the rectangular grooves 12, the fixed plates 11 under the heads are prevented from moving upwards, the fixed plates 11 are fixed in the rectangular grooves 12, and the fixed rods 7 and the telescopic rod 8 are in a stable state, the storage is very convenient.

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. A folding projector characterized in that: comprises a host box (1), a light-transmitting groove (2) is arranged at the left side position of the front end surface of the host box (1), a projection lens (3) is arranged in the light-transmitting groove (2), an installation groove (6) is arranged in the middle of the upper end face of the host box (1), an adjustable fixed rod (7) is arranged in the mounting groove (6), a telescopic rod (8) is arranged at the head of the fixed rod (7), a rotating shaft (9) is arranged in the middle of the tail part of the fixed rod (7), circular grooves (10) are arranged on the inner walls of the two sides of the mounting groove (6) corresponding to the rotating shaft (9), fixing plates (11) are arranged at two ends of the head of the telescopic rod (8), an installation screw hole (13) is arranged in the middle of each fixing plate (11), the inner walls of the two sides of the mounting groove (6) are provided with rectangular grooves (12) corresponding to the positions of the fixing plates (11), and an adjusting knob (23) is arranged at the tail position of the right end face of the host box (1).

2. The folding projector as claimed in claim 1, wherein: the terminal surface is provided with ventilation hole (4) in light-permeable groove (2) right side position before host computer box (1), host computer box (1) right-hand member face front end position is provided with shift knob (5), fixed plate (11) are constituteed integratively through welding and telescopic link (8).

3. The folding projector as claimed in claim 1, wherein: a round hole (22) is formed in the right end face of the main machine box (1) at the rear position of the adjusting knob (23), a connecting rod (21) is arranged in the round hole (22), and the head of the connecting rod (21) extends out of the round hole (22) and is connected to the middle position of the rear end face of the adjusting knob (23); the tail part of the connecting rod (21) is connected to the middle position of one side end face of the fixed shaft (18).

4. The folding projector as claimed in claim 1, wherein: pivot (9) pass in dead lever (7) and both ends stretch into circular slot (10), pivot (9) both ends top position is provided with fixed block (14), circular slot (10) inner wall corresponds fixed block (14) position and is provided with arc wall (15), the contained angle of arc wall (15) is 100 degrees, inherent fixed block (14) below position in arc wall (15) is provided with main elastic component (16), main elastic component (16) afterbody is fixed arc wall (15) bottom.

5. The folding projector as claimed in claim 1, wherein: rectangular channel (12) one side inner wall of mounting groove (6) right wall is provided with spacing groove (17), spacing groove (17) are located fixed plate (11) top position, be provided with fixed axle (18) between spacing groove (17) both sides inner wall, be provided with stopper (19) through fixed axle (18) installation in spacing groove (17), be provided with torque spring (20) between fixed axle (18) inside and spacing groove (17) both sides inner wall, stopper (19) head stretches into rectangular channel (12).