Projector base pressing and fixing device

Abstract

The utility model discloses a projector base pressing and fixing device, which belongs to the field of projectors, and comprises a base and a pressing plate, the pressing plate is arranged on the base, a longitudinal elastic piece is arranged on the base, two ends of the pressing plate are fixed with the upper end of the longitudinal elastic piece, a rotatable auxiliary pressing strip is arranged on the side surface of the pressing plate, and the auxiliary pressing strip is arranged on the base. The lower surface of the pressing plate is connected with a rubber strip, the face, facing the base, of the rubber strip is a rough face, the lower surface of the auxiliary pressing strip is flush with the lower surface of the rubber strip, paper or a photo is placed on the base, then the pressing plate is pulled upwards through the handle, the pressing plate drives the sliding rod to move upwards, the spring is compressed, then the pressing plate transversely moves to the edge of the paper, the handle is loosened, and the paper or the photo is placed on the base. The pressing plate is pressed on the edge of the paper or the photo under the action of the spring, and then the other pressing plate and the auxiliary pressing strip are operated, so that the paper with four upwarped corners and folded middle is flattened, and clear character projection is facilitated.

Description

TECHNICAL FIELD

[0001] The utility model relates to real object projector technical field especially relates to a projector base compression solid device. BACKGROUND

[0002] Real object projector is through the camera mode and turns into computer graphics display system electric signal with real object, manuscript, photo or negative, etc.

[0003] Paper in the taking or collision can lead to paper edge formation irregular folding wrinkle or four corners up, also can appear the situation of artificial middle folding in order to carry, put such paper on the base of real object projector can make paper four corners text and folding text projection fuzzy. UTILITY MODEL CONTENT

[0004] The utility model discloses a projector base compression solid device, which can solve the problem of paper edge formation irregular folding wrinkle or four corners up in the taking or collision, and can prevent the situation of artificial middle folding in order to carry.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A projector base compression solid device, comprising a base and a pressing plate, the pressing plate is arranged on the base, a longitudinal elastic member is arranged on the base, the two ends of the pressing plate are fixed with the upper end of the longitudinal elastic member, a rotatable auxiliary pressing strip is arranged on the side surface of the pressing plate, a rubber strip is connected to the lower surface of the pressing plate, the surface of the rubber strip facing the base is a rough surface, and the lower surface of the auxiliary pressing strip is flush with the lower surface of the rubber strip.

[0007] Preferably, two pressing plates are arranged, and the rotating parts of the two auxiliary pressing strips are located at the diagonal corners of the two pressing plates.

[0008] Preferably, two sliding grooves for the movement of the two pressing plates are arranged on the base, and the lower side of the longitudinal elastic member is provided with a sliding block matched with the sliding grooves.

[0009] Preferably, an adjusting groove for the movement of the auxiliary pressing strip is arranged on the pressing plate along the length direction.

[0010] Preferably, the pressing plate is provided with a recess, and the recess is provided with a handle, the handle is rotationally connected with the pressing plate through a torsion spring, and the pressing plate is provided with a limiting plate, and the limiting plate is in contact with the lower surface of the handle.

[0011] Preferably, the pressing plate is provided with a bolt in threaded connection, and the longitudinal elastic member is provided with a threaded groove in threaded connection with the bolt.

[0012] Preferably, the longitudinal elastic member comprises a bottom plate, the bottom plate is fixed with a support, the support is slidably connected with a slide rod, the slide rod is sleeved with a spring, and the two ends of the spring are connected with the upper end of the support and the lower end of the slide rod respectively.

[0013] Preferably, the bottom plate is fixedly connected with a guide rod inserted into the slide rod.

[0014] Preferably, a gap is arranged between the auxiliary pressing strip and the pressing plate.

[0015] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0016] Firstly, the paper or photo is placed on the base, then the handle is pulled upwards to move the pressing plate upwards with the slide rod, the spring is compressed, then the pressing plate is horizontally moved to the edge of the paper, the handle is released, the pressing plate is pressed on the edge of the paper or photo under the action of the spring, then another pressing plate and auxiliary pressing strip are operated, so that the paper corners are raised and the middle folded paper is flattened, and the text projection is clear.

[0017] The two pressing plates can be close to each other through the sliding groove, the auxiliary pressing strip can slide on the pressing plate through the adjusting groove, and the position of the pressing plate and the auxiliary pressing strip is adjusted to adapt to different sizes of paper or photo.

[0018] When the paper placed on the base is a multi-layer paper after being bound, the paper can be pressed after being turned over through the cooperation of the two pressing plates or the auxiliary pressing strip, so that the quick page turning and shooting are realized.

[0019] The bolt is arranged to prevent the situation that the paper manuscript or photo is too hard and the restoring force of the spring cannot flatten the paper. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the drawings needed to be used in the embodiments will be briefly introduced, and obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor.

[0021] Figure 1 It is a whole structure schematic view of the utility model.

[0022] Figure 2 This is a schematic diagram of the paper pressing by the pressing plate and auxiliary pressing strip of the present invention.

[0023] Figure 3 For the utility model Figure 2 Enlarged schematic diagram of point A in the middle.

[0024] Figure 4 This is a schematic structural diagram of the longitudinal elastic member of the present utility model.

[0025] Figure 5 This is a schematic diagram of the use of the auxiliary pressure strip of the present utility model.

[0026] Figure 6 This is a schematic diagram of the use of the pressing plate of the present utility model.

[0027] Explanation of the figure numbers: 1. Base; 11. Slide groove; 2. Pressure plate; 21. Adjustment groove; 22. Handle; 23. Limit plate; 24. Rubber strip; 3. Adjustment support arm; 4. Camera assembly; 5. Longitudinal elastic member; 51. Slider; 52. Bottom plate; 53. Bracket; 54. Slide rod; 55. Spring; 56. Guide rod; 57. Threaded groove; 6. Auxiliary pressure strip; 61. Adjustment block; 7. Bolt. DETAILED DESCRIPTION

[0028] The present invention is described in further detail below with reference to the accompanying drawings.

[0029] The following description is intended to disclose the present invention so that those skilled in the art can implement the present invention. The preferred embodiments described below are for illustrative purposes only, and those skilled in the art will readily appreciate other obvious variations. The basic principles of the present invention as defined in the following description may be applied to other embodiments, variations, improvements, equivalents, and other technical solutions that do not depart from the spirit and scope of the present invention.

[0030] Those skilled in the art should understand that, in the disclosure of the present invention, the terms "longitudinal", "transverse", "up", "down", "left", "right", "front", "back", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like to indicate directions or positions are based on the directions or positional relationships shown in the accompanying drawings, which are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, the above terms should not be understood as limitations on the present invention.

[0031] It is to be understood that the term "one" should be understood as "at least one" or "one or more", that is, in one embodiment, the number of an element may be one, while in another embodiment, the number of the elements may be multiple, and the term "one" should not be understood as a limitation on the quantity.

[0032] Please refer to Figures 1-6 A projector base pressing device, comprising a base 1 and a pressing plate 2; the base 1 is provided with an adjusting support arm 3, and the end of the adjusting support arm 3 is connected with a camera assembly 4.

[0033] The pressing plate 2 is arranged on the base 1, and two pressing plates 2 are arranged, the longitudinal elastic member 5 is arranged on the base 1, the two ends of the pressing plate 2 are fixed with the upper end of the longitudinal elastic member 5, the side surface of the pressing plate 2 is provided with a rotatable auxiliary pressing strip 6, the lower surface of the auxiliary pressing strip 6 is flush with the lower surface of the pressing plate 2, so as to be pressed on the paper at the same time, the lower surface of the pressing plate 2 is connected with a rubber strip 24, one side of the rubber strip 24 facing the base 1 is a rough surface, the rough surface is convenient for pressing the paper or the photo, a gap is arranged between the auxiliary pressing strip 6 and the pressing plate 2, the auxiliary pressing strip 6 is rotated through the gap, the rotating positions of the two auxiliary pressing strips 6 are located at the diagonal opposite positions of the two pressing plates 2, the pressing plate 2 and the auxiliary pressing strip 6 are respectively pressed on the different edges of the paper, the four edges of the paper are pressed and fixed through the two pressing plates 2 and the two auxiliary pressing strips 6, so that the four corners of the paper are pressed flat, and then the four corners are not blocked by the rolled-up part, and then the text can be stably projected, the four edges are pressed and fixed, and the middle folding of the paper is also pressed flat, which is beneficial to clear text projection.

[0034] The base 1 is provided with two sliding grooves 11 for the mutual movement of the pressing plates 2, the lower side of the longitudinal elastic member 5 is provided with a sliding block 51 matched with the sliding grooves 11, the longitudinal elastic member 5 is fixedly connected with the sliding block 51, the pressing plate 2 can be moved horizontally through the sliding block 51, the pressing plate 2 is pressed on the edge of the paper by pulling upward and then moving horizontally. The pressing plate 2 is provided with an adjusting groove 21 for the movement of the auxiliary pressing strip 6 along the length direction, the adjusting groove 21 of the pressing plate 2 is slidably connected with an adjusting block 61, the auxiliary pressing strip 6 is rotatably connected with the adjusting block 61, and the rotating positions of the auxiliary pressing strip 6 and the adjusting block 61 are provided with dampers. The damper is prior art and will not be described in detail. The damper makes the rotated auxiliary pressing strip 6 stable, the auxiliary pressing strip 6 can slide on the pressing plate 2 through the adjusting groove 21, and different sizes of paper or photos can be used.

[0035] The pressing plate 2 is provided with a recess, the recess is provided with a handle 22, the handle 22 is rotatably connected with the pressing plate 2 through a torsion spring, the torsion spring is not shown in the figure, the pressing plate 2 is provided with a limiting plate 23, the limiting plate 23 is in contact with the lower surface of the handle 22, the handle 22 will not be higher than the pressing plate 2 when it is in a folded state, the pressing plate 2 can be pulled upward by pulling the handle 22, which is convenient to operate, and the torsion spring makes the handle 22 automatically restore.

[0036] The longitudinal elastic member 5 comprises a bottom plate 52 which is integrally formed with the sliding block 51, a support 53 is fixed on the bottom plate 52, a sliding rod 54 is slidably connected to the support 53, a spring 55 is sleeved on the sliding rod 54, and the two ends of the spring 55 are respectively connected to the upper end of the support 53 and the lower end of the sliding rod 54. A guide rod 56 is fixedly connected to the bottom plate 52 and inserted into the sliding rod 54, so that the sliding rod 54 can stably move up and down, and the sliding rod 54 at both ends cooperates with the sliding block 51 to make the pressing plate 2 only move longitudinally and cannot rotate. The screw 7 is threadedly connected to the pressing plate 2, and a threaded groove 57 for threadedly connecting the screw 7 is formed in the longitudinal elastic member 5, and the threaded groove 57 is specifically formed in the support 53. The connection of the screw 7 and the threaded groove 57 makes the pressing plate 2 tightly press on the edge of the paper manuscript or photo, and prevents the situation that the paper manuscript or photo is too hard and the restoring force of the spring 55 cannot flatten it.

[0037] It should be noted that when multiple paper manuscripts are bound, as shown in Figure 5 , the paper can be turned over until the edge is limited by the auxiliary pressing strip 6, and then the text of different papers can be normally projected. When quick page turning and shooting are needed, the auxiliary pressing strip 6 is first turned to turn the page, and then the auxiliary pressing strip 6 is used to press the whole edge, so that quick page turning and shooting are realized. As shown in Figure 6 , two pressing plates 2 can also be used to press the multiple paper manuscripts after turning over. When page turning is needed, the two pressing plates 2 are moved to the right side, then the page is turned, and then the two pressing plates 2 are pressed on the two edges of the bound paper.

[0038] In use, the paper or photo is first placed on the base 1, then the pressing plate 2 is pulled upward by the handle 22, the pressing plate 2 moves upward with the sliding rod 54, the spring 55 is compressed, and then the pressing plate 2 is moved transversely to the edge of the paper, the handle 22 is released, the pressing plate 2 is pressed on the edge of the paper or photo under the action of the spring 55, and then the other pressing plate 2 and the auxiliary pressing strip 6 are operated, so that the four edges of the paper are pressed. When the pressing plate 2 is pulled up, the auxiliary pressing strip 6 can be rotated, and then the auxiliary pressing strip 6 is adjusted by the adjusting block 61 moving the pressing block, so that the two auxiliary pressing strips 6 are pressed on the other two edges of the paper. If the paper or photo is not folded in the middle, the auxiliary pressing strip 6 can not be unfolded, which is determined according to the needs.

[0039] It should be understood by those skilled in the art that the above description and the embodiments of the utility model shown in the drawings are only examples and do not limit the utility model. The purpose of the utility model has been completely and effectively realized. The function and structural principle of the utility model have been shown and explained in the embodiments, and the embodiments of the utility model can be changed or modified without departing from the principle.

Claims

1. A projector base pressing device, characterized by comprising: The utility model relates to a base (1), a pressing plate (2) is arranged on the base (1), the base (1) is provided with longitudinal elastic member (5), both ends of the pressing plate (2) are fixed with the upper end of longitudinal elastic member (5), the side of the pressing plate (2) is provided with rotatable auxiliary pressing strip (6), the lower surface of the pressing plate (2) is connected with rubber strip (24), the one side of rubber strip (24) is rough to the base (1), the lower surface of auxiliary pressing strip (6) is flush with the lower surface of rubber strip (24). The pressing plate (2) is provided with two, and the rotation of the auxiliary pressing strip (6) is located in the diagonal of the two pressing plates (2). The base (1) is provided with two sliding grooves (11) for the mutual movement of the pressing plate (2), and the lower side of the longitudinal elastic member (5) is provided with a sliding block (51) matched with the sliding groove (11).

2. The projector base pressing device according to claim 1, characterized in that: The pressing plate (2) is provided with an adjusting groove (21) for the movement of the auxiliary pressing strip (6) along the length direction.

3. The projector base pressing device according to claim 2, wherein: The pressing plate (2) is provided with a recess, the recess is provided with a handle (22), the handle (22) is rotatably connected with the pressing plate (2) through a torsion spring, the pressing plate (2) is provided with a limiting plate (23), and the lower surface of the handle (22) is in contact with the limiting plate (23).

4. The projector base compression device of claim 1, wherein: The pressing plate (2) is provided with a bolt (7), and the longitudinal elastic member (5) is provided with a threaded groove (57) for the threaded connection of the bolt (7).

5. The projector base compression device of claim 1, wherein: The longitudinal elastic member (5) comprises a bottom plate (52), the bottom plate (52) is fixed with a support (53), the support (53) is slidably connected with a sliding rod (54), the sliding rod (54) is sleeved with a spring (55), and the two ends of the spring (55) are connected with the upper end of the support (53) and the lower end of the sliding rod (54) respectively.

6. The projector base compression device of claim 1, wherein: The bottom plate (52) is fixedly connected with a guide rod (56) inserted into the sliding rod (54).

7. The projector base compression device of claim 1, wherein: The auxiliary pressing strip (6) and the pressing plate (2) are provided with a gap.

8. The projector base compression device of claim 7, wherein: ​ 9. The projector base compression device of claim 1, wherein: ​

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