CN215729242U

CN215729242U - Projector for evidence display

Info

Publication number: CN215729242U
Application number: CN202121284993.1U
Authority: CN
Inventors: 陈晓辉; 吕晓峰; 王俊刚
Original assignee: Heilongjiang Guangchuang Intelligent Technology Co ltd
Current assignee: Heilongjiang Guangchuang Intelligent Technology Co ltd
Priority date: 2021-06-09
Filing date: 2021-06-09
Publication date: 2022-02-01
Anticipated expiration: 2031-06-09

Abstract

The utility model relates to the technical field of projectors, in particular to a projector for evidence display, which comprises a projector, wherein a placing box is fixedly connected to the right end face of the projector, a cabinet door is slidably connected to the front end face of the placing box, a support rod is rotatably connected to the middle of the lower end of the projector, fixed plates are fixedly connected to the left side and the right side of the front end of the middle of the lower end of the projector, a rotating shaft is arranged at the right end of the fixed plate at the left end, a rotating plate is fixedly connected to the middle of the outer side of the rotating shaft, and the rotating plate is slidably connected with the projector. The projection angle of the projector is changed, so that the projector can be moved and the angle of the projector can be adjusted.

Description

Projector for evidence display

Technical Field

The utility model relates to the technical field of projectors, in particular to a projector for evidence display.

Background

The projector is an optical instrument which uses an optical element to amplify the outline of a workpiece and projects the workpiece onto a video screen, can be used for measuring the outline by using transmitted light and measuring the surface shape without a through hole and observing the surface of the part by using reflected light, is particularly suitable for measuring complex outlines and fine workpieces such as clock parts, stamping parts, electronic elements, templates, dies, threads, gears, forming cutters and the like, has high inspection efficiency and convenient use, is widely applied to measuring rooms and production workshops, is particularly suitable for meeting occasions in instrument and meter industries and clock industries, is also called as a projector, is equipment capable of projecting images or videos onto a curtain, can be connected with computers, VCD, DVD, BD, game machines, DV and the like through different interfaces to play corresponding video signals, and is widely applied to families, offices, schools and entertainment occasions at present, especially in courts and shows the required case evidence.

Among the prior art, the projecting apparatus that most court used on the market all has a general illness, will be or not just can not remove, will be or not just can remove the angle of adjusting the input to the court uses the laser pen to fix a position the evidence that shows when showing the evidence, makes things convenient for other personnel to watch, but the laser pen is less, inconvenient accomodating.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a projector for evidence demonstration to solve the above-mentioned problems of the background art.

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

a projector for evidence display comprises a projector, wherein a placement box is fixedly connected to the right end face of the projector, a cabinet door is slidably connected to the front end face of the placement box, a support rod is rotatably connected to the middle of the lower end of the projector, fixed plates are fixedly connected to the left side and the right side of the middle of the lower end of the projector, a rotating shaft is arranged at the right end of the fixed plate at the left end, a rotating plate is fixedly connected to the middle of the outer side of the rotating shaft and slidably connected with the projector, torsion springs are wound on the left side and the right side of the outer side of the rotating shaft, anti-skidding blocks are fixedly connected to the rear end face of the rotating plate, sliding frames are fixedly connected to the left end and the right end of the inner side of the placement box, a placement frame is slidably connected to the inner side of the placement box and penetrates through the placement box, the placement frame is fixedly connected with the cabinet door, and elastic springs are fixedly connected to the left side and the right side of the inner side of the placement frame, the other end fixedly connected with fixture block of elastic spring, and the fixture block runs through the rack, the fixture block all with rack and carriage sliding connection, rack lower extreme middle part fixedly connected with stopper, and the stopper runs through and places the box, the rotor plate up end is seted up flutedly.

Preferably, the left end of the rotating shaft is rotatably connected with the fixing plate positioned at the left end, and the right end of the rotating shaft is rotatably connected with the fixing plate positioned at the right end.

Preferably, one end of the torsion spring is fixedly connected with the fixed plate, and the other end of the torsion spring is fixedly connected with the rotating plate.

Preferably, the anti-slip block is made of a rubber plate and is connected with the projector in a sliding manner.

Preferably, the limiting block is arranged in a T shape and is connected with the placing box in a sliding manner.

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

1. according to the projector, the rotating plate is manually rotated through the supporting rod, the rotating plate, the groove and the torsion spring, when the rotating plate is rotated to a required angle, the supporting rod is clamped in the groove of the rotating plate, the acting force of the torsion spring is opposite to the force of the supporting rod, the rotating plate can be fixed through the supporting rod, so that the front end of the projector is lifted, the projection angle of the projector is changed, and the projector can be moved and adjusted in angle through the arrangement;

2. according to the utility model, the cabinet door is drawn through the placing box, the placing rack, the elastic spring and the sliding frame, the placing rack and the limiting block move forwards together, meanwhile, the clamping block extrudes the elastic spring inside, the elastic spring slides on the sliding frame, the plurality of arcs are arranged on the inner side of the sliding frame, the limiting block limits and positions the placing rack for fixing the placing rack, and after the placing rack is drawn out, a laser pen can be placed inside, so that materials such as the laser pen and the like required by evidence displaying can be conveniently collected in a concentrated mode, and the materials cannot be found.

Drawings

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

FIG. 2 is a schematic view of the present invention in partial structure of FIG. 1;

FIG. 3 is a schematic view of the present invention in partial cross-section in FIG. 1;

FIG. 4 is a schematic view of the installation structure of the torsion spring of the present invention;

FIG. 5 is a schematic view of the installation structure of the elastic spring according to the present invention;

fig. 6 is a schematic view of the overall structure of the sliding rack of the present invention.

In the figure: the projector comprises a projector 1, a placement box 2, a cabinet door 3, a support rod 4, a fixing plate 5, a rotating shaft 6, a rotating plate 7, a torsion spring 8, an anti-skid block 9, a sliding frame 10, a placing frame 11, an elastic spring 12, a clamping block 13, a limiting block 14 and a groove 15.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-6, the present invention provides a technical solution:

a projector for evidence display comprises a projector 1, wherein a placement box 2 is fixedly connected to the right end face of the projector 1, a cabinet door 3 is slidably connected to the front end face of the placement box 2, a support rod 4 is rotatably connected to the middle of the lower end of the projector 1, fixed plates 5 are fixedly connected to the left side and the right side of the middle of the lower end of the projector 1, a rotating shaft 6 is arranged at the right end of the fixed plate 5 at the left end, a rotating plate 7 is fixedly connected to the middle of the outer side of the rotating shaft 6, the rotating plate 7 is slidably connected with the projector 1, torsion springs 8 are wound on the left side and the right side of the outer side of the rotating shaft 6, anti-skidding blocks 9 are fixedly connected to the rear end face of the rotating plate 7, sliding frames 10 are fixedly connected to the left end and the right end of the inner side of the placement box 2, a placement frame 11 is slidably connected to the inner side of the placement box 2, the placement frame 11 penetrates through the placement box 2, the placement frame 11 is fixedly connected with the cabinet door 3, the equal fixedly connected with elastic spring 12 of the inboard left and right sides of rack 11, elastic spring 12's the other end fixedly connected with fixture block 13, and fixture block 13 runs through rack 11, fixture block 13 all with rack 11 and carriage 10 sliding connection, rack 11 lower extreme middle part fixedly connected with stopper 14, and stopper 14 runs through and places

box

2, 7 up end of rotor plate are seted up flutedly 15.

The left end of the rotating shaft 6 is rotatably connected with the fixed plate 5 positioned at the left end, the right end of the rotating shaft 6 is rotatably connected with the fixed plate 5 positioned at the right end, when the angle of the projector 1 needs to be changed, the rotating plate 7 is manually rotated, at the moment, the rotating shaft 6 and the fixed plate 5 rotate, so that the rotating plate 7 can rotate, one end of the torsion spring 8 is fixedly connected with the fixed plate 5, the other end of the torsion spring 8 is fixedly connected with the rotating plate 7, the supporting rod 4 is clamped in the rotating plate 7 under the action of the torsion spring 8 and the supporting rod 4, the acting force of the torsion spring 8 is opposite to the force of the supporting rod 4, the rotating plate 7 can be fixed through the supporting rod 4, so that the front end of the projector 1 is lifted, the projection angle of the projector is changed, the anti-skid blocks 9 are made of a rubber material plate, the anti-skid blocks 9 are slidably connected with the projector 1, and the anti-skid blocks 9 are made of rubber material, when non-slip shoe 9 and desktop contact, fixed rotor plate 7 that can be better, more stable for lift up projecting apparatus 1, stopper 14 is the T shape setting, and stopper 14 with place 2 sliding connection of box, sets stopper 14 to the T shape, like this when manual twitch rack 11 forward, stopper 14 carries on spacingly and the location to it, prevents when twitch rack 11, violently take out whole rack 11 hard and place box 2.

The working process is as follows: in order to prevent the laser pen from being discarded or being unavailable, a placing box 2 is arranged on a projector 1, when people do not use the laser pen any more, a cabinet door 3 is manually drawn forwards, at the moment, a placing frame 11 and a limiting block 14 move forwards together, meanwhile, a clamping block 13 extrudes an internal elastic spring 12, the clamping block 13 slides on a sliding frame 10, a plurality of arcs are arranged on the inner side of the sliding frame 10, the placing frame 11 is fixed and limited by the limiting block 14, the situation that the whole placing frame 11 is forcibly drawn out of the placing box 2 when the placing frame 11 is drawn out is prevented, the laser pen can be placed in the interior after the placing frame 11 is drawn out, the cabinet door 3 is closed, when the projection angle needs to be adjusted, the rotating plate 7 is manually rotated, when the rotating plate is rotated to the angle to be adjusted, the supporting rod 4 is clamped in a groove 15 of the rotating plate 7, and the acting force of a torsion spring 8 is opposite to that of the supporting rod 4, the rotating plate 7 can be fixed through the support rod 4, so that the front end of the projector 1 is lifted, and the projection angle of the projector is changed.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A projector for evidence presentation, comprising a projector (1), characterized in that: the projector is characterized in that a placement box (2) is fixedly connected to the right end face of the projector (1), a cabinet door (3) is slidably connected to the front end face of the placement box (2), a support rod (4) is rotatably connected to the middle of the lower end of the projector (1), a fixed plate (5) is fixedly connected to the left side and the right side of the middle of the lower end of the projector (1), a rotating shaft (6) is arranged at the right end of the fixed plate (5) at the left end, a rotating plate (7) is fixedly connected to the middle of the outer side of the rotating shaft (6), the rotating plate (7) is slidably connected with the projector (1), torsion springs (8) cover the left side and the right side of the outer side of the rotating shaft (6), anti-skid blocks (9) are fixedly connected to the rear end face of the rotating plate (7), sliding frames (10) are fixedly connected to the left end and the right end of the inner side of the placement box (2), and a placement rack (11) is slidably connected to the inner side of the placement box (2), and rack (11) run through and place box (2), rack (11) and cabinet door (3) fixed connection, the equal fixed connection of the inboard left and right sides of rack (11) has elastic spring (12), the other end fixedly connected with fixture block (13) of elastic spring (12), and fixture block (13) run through rack (11), fixture block (13) all with rack (11) and carriage (10) sliding connection, rack (11) lower extreme middle part fixedly connected with stopper (14), and stopper (14) run through and place box (2), rotor plate (7) up end is seted up flutedly (15).

2. A projector for evidence presentation according to claim 1, characterized in that: the left end of the rotating shaft (6) is rotatably connected with the fixing plate (5) positioned at the left end, and the right end of the rotating shaft (6) is rotatably connected with the fixing plate (5) positioned at the right end.

3. A projector for evidence presentation according to claim 1, characterized in that: one end of the torsion spring (8) is fixedly connected with the fixed plate (5), and the other end of the torsion spring (8) is fixedly connected with the rotating plate (7).

4. A projector for evidence presentation according to claim 1, characterized in that: the anti-skid block (9) is made of a rubber plate, and the anti-skid block (9) is connected with the projector (1) in a sliding mode.

5. A projector for evidence presentation according to claim 4, characterised in that: the limiting block (14) is arranged in a T shape, and the limiting block (14) is connected with the placing box (2) in a sliding mode.