CN212056507U - Fixing device of projector - Google Patents

Abstract

The utility model discloses a fixing device of projector, which belongs to the technical field of projector, comprising four groups of connecting columns which are arranged in a rectangle, wherein clamping plates are movably sleeved between the upper parts of the four groups of connecting columns, the upper and lower sides of the joints of the clamping plates and the connecting columns are both connected with nuts, and the nuts are connected on the outer walls of the connecting columns through threads, the bottoms of the clamping plates are uniformly connected with first springs, the bottoms of the first springs are connected with clamping plates, the bottoms of the clamping plates are parallel to the bottoms of the clamping plates, a supporting plate is fixedly sleeved between the lower parts of the four groups of connecting columns, the front side of the top of the supporting plate is connected with a clamping block, the bottom of the inner cavity of the connecting column is movably inserted with a supporting column through a connecting groove, the bottom of the supporting column is connected with a supporting seat, the center, and the projector cannot be damaged in the fixing process, and the throwing height of the projector can be adjusted.

Description

Fixing device of projector

Technical Field

The utility model relates to a projecting apparatus technical field specifically is a fixing device of projecting apparatus.

Background

The projector is an optical device which utilizes an optical element to amplify the outline of a workpiece and project the workpiece onto a screen, and at first, because of high cost, common people have no chance to use the projector, and along with the increasing development of science and technology, the advanced device gradually enters the visual field of each common people, has the characteristic of portability while influencing clear putting, so that the projector is popular, but the projector needs to be fixed in a place for clear putting, and cannot shake, otherwise, any slight shaking of a lens can cause large-scale fluctuation of a picture, so that a plurality of fixing devices designed for the projector are generated for fixing the projector to ensure the stability of the picture of the projector.

For example, chinese utility model application number is CN 201820615361.0's a projecting apparatus metal fixing base, including bottom plate, movable plate, projecting apparatus, protection pad and clamp plate, the equal fixedly connected with curb plate in both ends about the bottom plate top, and the equal fixedly connected with supporting leg in the position of leaning on four corners of bottom plate bottom, the top fixedly connected with roof of curb plate.

However, the existing device has the problems that the process of fixing the projector is complicated, and the throwing height of the fixed projector is inconvenient to adjust.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a fixing device of projecting apparatus to the process that is proposed to the projecting apparatus is fixed among the solution above-mentioned background is loaded down with trivial details, and the projecting apparatus after fixing puts in the problem of high inconvenient regulation.

In order to achieve the above object, the utility model provides a following technical scheme: a fixing device of a projector comprises four groups of connecting columns which are arranged in a rectangular shape, clamping plates are movably sleeved between the upper parts of the four groups of connecting columns, the upper side and the lower side of the joint of the clamping plates and the connecting columns are both connected with screw caps, and the screw cap is connected on the outer wall of the connecting column through screw threads, the bottom of the clamping plate is evenly connected with a first spring, the bottom of the first spring is connected with a clamping plate, the bottom of the clamping plate is parallel to the bottom of the clamping plate, supporting plates are fixedly sleeved between the lower parts of the four groups of connecting columns, the front side of the top of the supporting plate is connected with a clamping block, the bottom of the inner cavity of the connecting column is movably inserted with a supporting column through a connecting groove, the bottom of the supporting column is connected with a supporting seat, the center of the top of the supporting seat is connected with an electric telescopic rod, and the electric telescopic rod is positioned in the inner cavity of the supporting column, and the top of the output end of the electric telescopic rod penetrates through the top of the supporting column and is supported at the bottom of the top of the connecting groove.

Preferably, the middle part of the clamping block is provided with a movable groove, the top of the movable groove is movably inserted with an arc plate, and a second spring is connected between the arc plate and the bottom of the movable groove.

Preferably, the body of the clamping plate is uniformly provided with heat dissipation holes.

Preferably, the top of the connecting column is sleeved with an anti-collision pad.

Preferably, a connecting hole is formed in the connecting position of the clamping plate and the connecting column, a linear bearing is nested in an inner cavity of the connecting hole, and the inner diameter value of the linear bearing is the same as the outer diameter value of the connecting column.

Preferably, the top of the supporting seat is uniformly connected with a third spring by taking an electric telescopic rod as a center, and the top of the third spring is connected with a cushion pad.

Compared with the prior art, the beneficial effects of the utility model are that:

1) the projector can be fixed only by rotating the screw cap, so that the operation is simple;

2) the clamping plate is matched with the arc-shaped plate and the springs connected with the clamping plate and the arc-shaped plate respectively, so that certain buffering is provided in the fixing process, and the phenomenon that the projector is damaged due to overlarge pressure can be avoided;

3) can be comparatively simple through electric telescopic handle for certain height of whole device adjustment.

Drawings

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

FIG. 2 is a sectional view of the structure of the present invention;

FIG. 3 is a right side view of the structure of the present invention;

fig. 4 is an enlarged view of the connecting groove structure of the present invention.

In the figure: 1 spliced pole, 2 cardboard, 3 nuts, 4 first springs, 5 splint, 6 backup pads, 7 fixture blocks, 8 supporting seats, 9 support columns, 10 electric telescopic handle, 11 arcs, 12 second springs, 13 third springs, 14 blotters, 15 louvres, 16 crash pads.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", 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 simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example (b):

referring to fig. 1-4, the present invention provides a technical solution: the utility model provides a fixing device of projecting apparatus, includes four spliced poles 1 that are the rectangle setting, spliced pole 1 is the spliced pole of chrome plating iron, and the surface smoothness is high and longe-lived, and the activity has cup jointed cardboard 2 between the upper portion of four spliced poles 1 of group, and cardboard 2 can be on 1 upper portion of spliced pole smooth and easy reciprocating.

The upper side and the lower side of the joint of the clamping plate 2 and the connecting column 1 are both connected with nuts 3, the outer wall of the connecting column 1 is carved with threads, the nuts 3 are connected on the outer wall of the connecting column 1 through threads, the nuts 3 are responsible for clamping the clamping plate 2 at a specified position on the connecting column 1 to prevent relative movement of the clamping plate 2, the bottom of the clamping plate 2 is uniformly connected with first springs 4, the bottoms of the first springs 4 are connected with clamping plates 5, the first springs 4 are adhered between the clamping plate 2 and the clamping plates 5, the first springs 4 provide buffer for the contact process of the clamping plates 5 and the upper surface of the projector, the descending speed of the clamping plates 5 is reduced while pressure is decomposed, the upper surface of the projector is prevented from being damaged by the clamping plates 5 in the contact process of the clamping plates 5 and the projector, the bottoms of the clamping plates 5 are parallel to the bottom of the clamping plates 2, the projector can be stably pressed by the clamping plates 5, like this splint 5 alright with the stable fixing of cooperation backup pad 6 with the projecting apparatus, the backup pad 6 has been cup jointed to the fixed backup pad that has cup jointed between the lower part of four group's spliced pole 1, and 6 connections in the lower part of spliced pole 1 of backup pad pass through the rivet, and backup pad 6 and spliced pole relatively stable are fixed, are responsible for supporting the bottom of projecting apparatus, guarantee the stability of the projecting apparatus that 6 tops of backup pad were placed.

The front side of the top of the supporting plate 6 is connected with a clamping block 7 through a screw, the clamping block 7 is responsible for supporting a lens of a projector, and simultaneously determining the fixed position of the projector, as the position of the lens of the projector is determined, the whole position of the projector is also determined, the bottom of the inner cavity of the connecting column 1 is movably inserted with a supporting column 9 through a connecting groove, the supporting column 9 can longitudinally move in the connecting groove at the bottom of the connecting column 1, the bottom of the supporting column 9 is connected with a supporting seat 8 through a rivet, an electric telescopic rod 10 is bonded at the center of the top of the supporting seat 8, the electric telescopic rod 10 is positioned in the inner cavity of the supporting column 9, the top of the output end of the electric telescopic rod 10 penetrates through the top of the supporting column 9 and is supported at the bottom of the top of the connecting groove, the top of the output end of the electric, thereby adjusting the throw height of the projector.

Wherein, the movable groove has been seted up at the middle part of fixture block 7, and the top activity of movable groove is pegged graft and is had arc 11, is connected with second spring 12 between the bottom of arc 11 and movable groove, and cooperation through second spring 12 and arc 11 provides the buffering for the camera lens of projecting apparatus, when preventing that the camera lens from laying fixture block 7, the bottom of projecting apparatus and the top of backup pad 6 have the distance and make the camera lens by crushing at fixed in-process.

The body of the clamping plate 5 is uniformly provided with heat dissipation holes 15, so that a certain heat dissipation effect is provided for the fixed projector.

The top of spliced pole 1 has cup jointed crashproof pad 16, prevents that the top of spliced pole 1 from being collided with the damage.

The connecting hole has been seted up with the junction of spliced pole 1 to cardboard 2, and the inner chamber nestification of connecting hole has linear bearing, and linear bearing's internal diameter value is the same with the external diameter value of spliced pole 1, promotes cardboard 2 gliding smooth and easy nature on spliced pole 1.

The top of supporting seat 8 uses electric telescopic handle 10 to evenly be connected with third spring 13 as the center, and the top of third spring 13 is connected with blotter 14, for electric telescopic handle 10 drives the process that spliced pole 1 descends and provides certain buffering, avoids electric telescopic handle 10's output impaired.

The working principle is as follows: the whole device is placed at a required position and is connected with an external power supply, the bottom of a lens of a projector is aligned with an arc plate 11 on a clamping block 7, then the projector is placed at the top of a supporting plate 6, three of four screw caps 3 at the bottom of a clamping plate 2 are screwed downwards until the positions of the three screw caps 3 are slightly lower than the horizontal plane of the top of the projector, then the rest screw caps 3 are screwed downwards and slowly, so that the clamping plate 2 descends slowly, a clamping plate 5 is firstly contacted with the top of the projector, then the clamping plate 5 descends continuously and reversely, a first spring 4 is pressed, the deformation degree of the first spring 4 is observed, meanwhile, the projector is pushed lightly by hand, one of the four screw caps 3 above the clamping plate 2 is firstly screwed down to prop against the top of the clamping plate 2 when the projector is not pushed, then all the rest screw caps 3 are adjusted to clamp the clamping plate 2, and thus the projector is stably fixed, when the throwing height of projecting apparatus is finely tuned to needs, start electric telescopic handle 10, the output of synchronous control electric telescopic handle 10 promotes spliced pole 1 and moves up or moves down to backup pad 6 through spliced pole 1 fixed connection shifts up or moves down the projecting apparatus, and third spring 13 and buffer 14 can provide the buffering for between the support column 9 that moves down and the spliced pole 1, avoid electric telescopic handle 10's output to damage.

Having shown and described the basic principles and principal features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a fixing device of projecting apparatus, includes that four groups are spliced pole (1) that the rectangle set up, its characterized in that: clamping plates (2) are movably sleeved between the upper parts of the four groups of connecting columns (1), the upper and lower sides of the joints of the clamping plates (2) and the connecting columns (1) are connected with nuts (3), the nuts (3) are connected on the outer walls of the connecting columns (1) through threads, the bottoms of the clamping plates (2) are uniformly connected with first springs (4), the bottoms of the first springs (4) are connected with clamping plates (5), the bottoms of the clamping plates (5) are parallel to the bottoms of the clamping plates (2), a supporting plate (6) is fixedly sleeved between the lower parts of the four groups of connecting columns (1), the front side of the top of the supporting plate (6) is connected with a clamping block (7), supporting columns (9) are movably inserted in the bottoms of inner cavities of the connecting columns (1), supporting seats (8) are connected with the bottoms of the supporting columns (9), and electric telescopic rods (10) are connected with, and the electric telescopic rod (10) is positioned in the inner cavity of the supporting column (9), and the top of the output end of the electric telescopic rod (10) penetrates through the top of the supporting column (9) and is supported at the bottom of the top of the connecting groove.

2. A projector fixture as claimed in claim 1, wherein: the middle part of the clamping block (7) is provided with a movable groove, the top of the movable groove is movably inserted with an arc-shaped plate (11), and a second spring (12) is connected between the arc-shaped plate (11) and the bottom of the movable groove.

3. A projector fixture as claimed in claim 1, wherein: the body of the splint (5) is uniformly provided with heat dissipation holes (15).

4. A projector fixture as claimed in claim 1, wherein: the top of the connecting column (1) is sleeved with an anti-collision pad (16).

5. A projector fixture as claimed in claim 1, wherein: the connection part of the clamping plate (2) and the connecting column (1) is provided with a connecting hole, an inner cavity of the connecting hole is nested with a linear bearing, and the inner diameter value of the linear bearing is the same as the outer diameter value of the connecting column (1).

6. A projector fixture as claimed in claim 1, wherein: the top of supporting seat (8) uses electric telescopic handle (10) to evenly be connected with third spring (13) as the center, the top of third spring (13) is connected with blotter (14).

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