CN210800643U

CN210800643U - Precise projector

Info

Publication number: CN210800643U
Application number: CN201921883734.3U
Authority: CN
Inventors: 华强
Original assignee: Wuxi Huaqian Technology Co ltd
Current assignee: Wuxi Huaqian Technology Co ltd
Priority date: 2019-11-04
Filing date: 2019-11-04
Publication date: 2020-06-19
Anticipated expiration: 2029-11-04

Abstract

The utility model belongs to the technical field of projectors, in particular to a precision projector, which comprises a mounting plate, wherein a cavity is arranged in the mounting plate, a first bearing is fixedly connected with the inner top part of the cavity, a lead screw is fixedly inserted in the first bearing, a first gear is fixedly sleeved at one end of the lead screw, which is abutted against the first bearing, a second bearing is fixedly connected with the inner top part of the cavity, a rotating rod is fixedly inserted in the second bearing, the rotating rod is fixedly sleeved with a second gear which is meshed with the first gear, one end of the rotating rod runs through the inner wall of the cavity and extends outwards, one end of the rotating rod, which extends, is fixedly connected with a knob, a socket is arranged on the knob, a clamping rod is inserted in the socket, the utility model discloses a height adjusting mechanism and a fixing mechanism are arranged, so that a projector support can conveniently adjust the height, thereby improving the precision and the use effect of the projector in the use process, and the projector is conveniently fixed.

Description

Precise projector

Technical Field

The utility model belongs to the technical field of the projecting apparatus, specifically be an accurate projecting apparatus.

Background

The projector support is various in types and greatly limited by use conditions, a user needs to select a proper hanger specification according to different indoor structures, heights, distances between the projector support and a projection screen and the weight of the projector, the projector support is installed, the site needs to be surveyed firstly, the installation position of the projector is known, and therefore accurate judgment and a correct installation method can be made, the related parameters of the projector and the projector support need to be referred before, then the position where the projection screen is hung is determined, the projection screen is installed firstly, and then the projector support is installed.

But the regulation of current projecting apparatus support inconvenient carrying on the height leads to the precision of projecting apparatus in the use poor, has influenced the result of use of projecting apparatus, and is inconvenient fixes the projecting apparatus.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an accurate projecting apparatus to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a precise projector comprises a mounting plate, wherein a cavity is arranged in the mounting plate, a first bearing is fixedly connected to the inner top of the cavity, a lead screw is fixedly inserted in the first bearing, one end of the lead screw, which is close to the first bearing, is fixedly sleeved with a first gear, a second bearing is fixedly connected to the inner top of the cavity, a rotating rod is fixedly inserted in the second bearing, a second gear meshed with the first gear is fixedly sleeved on the rotating rod, one end of the rotating rod penetrates through the inner wall of the cavity and extends outwards, one end of the rotating rod, which extends, is fixedly connected with a knob, a socket is arranged on the knob, a clamping rod is slidably inserted in the socket, a plurality of clamping grooves corresponding to the clamping rod are arranged on the mounting plate in a surrounding manner, a clamping sleeve is fixedly sleeved at one end of the clamping rod, which is close to the clamping grooves, a first spring is sleeved on the clamping rod, and two ends of the first spring are respectively, the clamping device comprises a clamping rod, a clamping sleeve and a movable block, wherein the clamping rod is fixedly connected with a handle, one end of the clamping rod is far away from the clamping sleeve, one end of a lead screw penetrates through the inner wall of a cavity and extends outwards, a movable block is sleeved at one end of the lead screw in a threaded manner, an installation cavity is arranged in the movable block, one end of the lead screw, which is located in the installation cavity, is fixedly connected with a limiting block, one side of the movable block is fixedly connected with a supporting block, the top of the supporting block is fixedly connected.

Preferably, through holes are formed in two ends of the placing box, fixing rods are inserted into the through holes in a sliding mode, one ends of the fixing rods are fixedly connected with fixing blocks, second springs are sleeved on the fixing rods, two ends of each second spring are fixedly connected with the fixing blocks and the placing box respectively, and handles are fixedly connected to the ends, far away from the fixing blocks, of the fixing rods.

Preferably, the two ends of the mounting plate are fixedly connected with mounting blocks, and mounting holes are formed in the mounting blocks.

Preferably, a plurality of balls are slidably connected in the through opening of the mounting plate, and the edge of each ball is in contact with the screw.

Preferably, a rubber pad is fixedly bonded to the inner bottom of the placing box.

Preferably, the rotating rod is rotatably sleeved with two supporting sleeves, and one opposite sides of the two supporting sleeves are respectively abutted against two sides of the mounting plate.

Compared with the prior art, the beneficial effects of the utility model are that: when the projector is used by a user, the mounting block is firstly utilized to fix the device, then the projector is placed in the placing box, the projector is fixed through the second spring, the fixing rod and the fixing block, the projector can be prevented from falling and being damaged from the placing box, meanwhile, the height of the projector is adjusted according to actual needs, the clamping rod is pulled out from the clamping groove on the mounting plate through the handle, then the rotating rod is rotated by the knob, the rotating rod drives the second gear to rotate in the rotating process, the second gear drives the meshed first gear to rotate in the rotating process, so as to drive the lead screw to rotate, the moving block is driven to lift through the lead screw in the rotating process, the precision of the projector in the using process can be rapidly adjusted through the lead screw, the utility model discloses a height adjusting mechanism and a fixing mechanism are arranged, so that the projector support can conveniently adjust the height, the precision and the use effect of the projector in the use process are improved, and the projector is conveniently fixed.

Drawings

FIG. 1 is a schematic structural view of a precision projector;

FIG. 2 is a schematic view of the structure at A in FIG. 1;

fig. 3 is a schematic structural diagram at B in fig. 1.

In the figure: 1-mounting plate, 2-first bearing, 3-lead screw, 4-first gear, 5-second bearing, 6-rotating rod, 7-second gear, 8-knob, 9-clamping rod, 10-clamping sleeve, 11-first spring, 12-handle, 13-moving block, 14-limiting block, 15-supporting block, 16-telescopic rod, 17-placing box, 18-fixing rod, 19-fixing block, 20-second spring, 21-handle, 22-mounting block, 23-ball, 24-rubber pad and 25-supporting sleeve.

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.

Referring to fig. 1-3, the present invention provides a technical solution: a precise projector comprises a mounting plate 1, a cavity is arranged in the mounting plate 1, a first bearing 2 is fixedly connected to the inner top of the cavity, a lead screw 3 is fixedly inserted in the first bearing 2 and used for supporting a moving block 13, a first gear 4 is fixedly sleeved at one end, close to the first bearing 2, of the lead screw 3 and used for driving the lead screw 3 to rotate, a second bearing 5 is fixedly connected to the inner top of the cavity, a rotating rod 6 is fixedly inserted in the second bearing 5 and used for rotating a second gear 7, the rotating rod 6 is fixedly sleeved with a second gear 7 meshed with the first gear 4 and used for driving the first gear 4 to rotate, one end of the rotating rod 6 penetrates through the inner wall of the cavity and extends outwards, a knob 8 is fixedly connected to one extending end of the rotating rod 6 and used for rotating the rotating rod 6, a socket is arranged on the knob 8, a clamping rod 9 is inserted in the socket and used for fixing the knob 8, a plurality of clamping grooves corresponding to the clamping rod 9 are, a clamping sleeve 10 is fixedly sleeved at one end of the clamping rod 9 close to the clamping groove and used for preventing the clamping rod 9 from falling off from the knob 8, a first spring 11 is sleeved on the clamping rod 9, two ends of the first spring 11 are respectively and fixedly connected with the clamping sleeve 10 and the knob 8 and used for playing a certain elastic supporting role on the clamping rod 9, a handle 12 is fixedly connected at one end of the clamping rod 9 far away from the clamping sleeve 10 and used for conveniently drawing out the clamping rod 9, one end of the lead screw 3 penetrates through the inner wall of the cavity and extends outwards, a movable block 13 is sleeved at one end of the lead screw 3 in a threaded manner and used for conveniently adjusting the height of the projector, an installation cavity is arranged in the movable block 13, a limit block 14 is fixedly connected at one end of the lead screw 3 in the installation cavity and used for preventing the movable block 13 from falling off from the lead screw 3, a supporting block 15 is, in the rotating process of the screw rod 3, the moving block 13 only keeps the track of up-and-down movement, and the bottom of the moving block 13 is fixedly connected with a placing box 17 for placing a projector; furthermore, through holes are formed in two ends of the placing box 17, a fixing rod 18 is slidably inserted into the through holes and used for supporting the fixing block 19, one end of the fixing rod 18 is fixedly connected with the fixing block 19 and used for fixing the projector, a second spring 20 is sleeved on the fixing rod 18, two ends of the second spring 20 are respectively fixedly connected with the fixing block 19 and the placing box 17 and used for elastically drawing the fixing rod 18, and a handle 21 is fixedly connected to one end, far away from the fixing block 19, of the fixing rod 18 and used for conveniently drawing the fixing rod 18; further, the two ends of the mounting plate 1 are fixedly connected with mounting blocks 22, and mounting holes are formed in the mounting blocks 22 and used for conveniently fixing the device; furthermore, a plurality of balls 23 are slidably connected in the through hole of the mounting plate 1, and the edge of each ball 23 is in contact with the screw 3 and is used for reducing the friction force between the screw 3 and the through hole; further, a rubber pad 24 is fixedly bonded at the inner bottom of the placing box 17 and used for protecting the projector; further, the rotating rod 6 is rotatably sleeved with two supporting sleeves 25, and one sides of the two supporting sleeves 25 opposite to each other are respectively abutted against two sides of the mounting plate 1, so that the rotating rod 6 is prevented from shaking in the rotating process.

The working principle is as follows: the user is when using, at first utilize installation piece 1 to fix the device, then put into the projecting apparatus and place case 17, through second spring 20, dead lever 18 and fixed block 19 fix the projecting apparatus, can prevent that the projecting apparatus from placing the damage that drops in case 17, adjust the height of projecting apparatus simultaneously according to actual need, extract card pole 9 from the draw-in groove on the mounting panel 1 through utilizing handle 12, then utilize knob 8 to rotate bull stick 6, drive second gear 7 through bull stick 6 at the pivoted in-process and rotate, drive engaged with first gear 4 through second gear 7 at the pivoted in-process and rotate, thereby drive lead screw 3 and rotate, it goes up and down to drive movable block 13 at the pivoted in-process through lead screw 3, thereby can be quick highly adjusting the projecting apparatus, the precision of projecting apparatus in the use has been improved.

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

1. A precision projector, comprising a mounting plate (1), characterized in that: the improved structure is characterized in that a cavity is arranged in the mounting plate (1), a first bearing (2) is fixedly connected to the inner top of the cavity, a lead screw (3) is inserted into the first bearing (2) in a fixed manner, a first gear (4) is fixedly sleeved at one end, close to the first bearing (2), of the lead screw (3), a second bearing (5) is fixedly connected to the inner top of the cavity, a rotating rod (6) is inserted into the second bearing (5) in a fixed manner, the rotating rod (6) is fixedly sleeved with a second gear (7) meshed with the first gear (4), one end of the rotating rod (6) penetrates through the inner wall of the cavity and extends outwards, a knob (8) is fixedly connected to one end, extending from the rotating rod (6), a socket is arranged on the knob (8), a clamping rod (9) is arranged in the socket in an inserted manner, a plurality of clamping grooves corresponding to the clamping rod (9) are arranged on the mounting plate (, a clamping sleeve (10) is fixedly sleeved at one end of the clamping rod (9) close to the clamping groove, a first spring (11) is sleeved on the clamping rod (9), two ends of the first spring (11) are respectively fixedly connected with the cutting sleeve (10) and the knob (8), a handle (12) is fixedly connected with one end of the clamping rod (9) far away from the clamping sleeve (10), one end of the screw rod (3) penetrates through the inner wall of the cavity and extends outwards, a moving block (13) is sleeved at the extending end of the screw rod (3) in a threaded manner, an installation cavity is arranged in the moving block (13), one end of the lead screw (3) positioned in the installation cavity is fixedly connected with a limiting block (14), one side of the moving block (13) is fixedly connected with a supporting block (15), the top of the supporting block (15) is fixedly connected with the bottom of the mounting plate (1) through a telescopic rod (16), and the bottom of the moving block (13) is fixedly connected with a placing box (17).

2. A precision projector as claimed in claim 1, characterized in that: the improved multifunctional box is characterized in that through holes are formed in two ends of the placing box (17), fixing rods (18) are arranged in the through holes in an sliding insertion mode, one end of each fixing rod (18) is fixedly connected with fixing blocks (19), second springs (20) are sleeved on the fixing rods (18), two ends of each second spring (20) are respectively fixedly connected with the fixing blocks (19) and the placing box (17), and one end of each fixing rod (18) far away from the corresponding fixing block (19) is fixedly connected with a handle (21).

3. A precision projector as claimed in claim 1, characterized in that: the both ends fixedly connected with installation piece (22) of mounting panel (1), be equipped with the mounting hole on installation piece (22).

4. A precision projector as claimed in claim 1, characterized in that: a plurality of balls (23) are slidably connected in the through hole in the mounting plate (1), and the edge of each ball (23) is in contact with the screw (3).

5. A precision projector as claimed in claim 1, characterized in that: a rubber pad (24) is fixedly bonded at the inner bottom of the placing box (17).

6. A precision projector as claimed in claim 1, characterized in that: two supporting sleeves (25) are rotatably sleeved on the rotating rod (6), and one sides, opposite to the supporting sleeves (25), of the two supporting sleeves are respectively abutted to the two sides of the mounting plate (1).