CN212846331U

CN212846331U - LCD portable projector

Info

Publication number: CN212846331U
Application number: CN202021945268.XU
Authority: CN
Inventors: 陈军
Original assignee: Shenzhen Yunduoduo Information Co ltd
Current assignee: Shenzhen Yunduoduo Information Co ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-03-30
Anticipated expiration: 2030-09-08

Abstract

The utility model discloses a portable projecting apparatus of LCD, including portable projecting apparatus, portable projecting apparatus includes the projecting apparatus organism, portable projecting apparatus is still including receiving tape unit, control main part and braces, the upper end of projecting apparatus organism is rotated and is installed portable handle, it is provided with a pair ofly to receive tape unit, receive tape unit symmetry fixed connection at the side of portable handle, control main part fixed mounting is at the side of receiving tape unit, the lower extreme fixed mounting of braces is in the inner of receiving tape unit, it includes shell frame, spout, shell fragment, clockwork spring and pivot to receive tape unit, the side fixed connection of shell frame is at the outer wall of portable handle, shell frame and portable handle structure as an organic whole, the spout fretwork is seted up in the inner of shell frame, the upper end fixed connection of shell fragment is in the inner of shell frame. The utility model relates to a projecting apparatus equipment technical field can the person of facilitating the use select the mode of carrying, better satisfying the use needs.

Description

LCD portable projector

Technical Field

The utility model relates to a projecting apparatus equipment technical field specifically is the portable projecting apparatus of LCD.

Background

The projector is portable and mainly depends on a conventional handle, the conventional handle can only provide single hand-held carrying, the projector is only suitable for ultra-short distance carrying and moving, and hand ache can be caused by carrying the projector for a long time, so that a scheme for relieving the problems is urgently needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a portable projecting apparatus of LCD 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: the LCD portable projector comprises a portable projector body, a belt winding main body, a control main body and braces, wherein a portable handle is rotatably installed at the upper end of the projector body, a pair of belt winding main bodies are arranged on each belt winding main body, the belt winding main bodies are symmetrically and fixedly connected to the side ends of the portable handles, the control main bodies are fixedly installed at the side ends of the belt winding main bodies, and the lower ends of the braces are fixedly installed at the inner ends of the belt winding main bodies; the belt winding main body comprises a shell frame, a sliding groove, a spring plate, a spring and a rotating shaft, wherein the side end of the shell frame is fixedly connected to the outer wall of the hand-held handle, the shell frame and the hand-held handle are of an integral structure, the sliding groove is hollowed at the inner end of the shell frame, the upper end of the spring plate is fixedly connected to the inner end of the shell frame, the outer wall of the spring plate is in sliding contact with the inner wall of the shell frame, the inner end of the spring is fixedly connected to the outer end of the rotating shaft, the outer end of the spring is fixedly installed with the shell frame, the side wall of the spring is in sliding contact with the shell frame, the rotating shaft is rotatably installed at the inner side end of the lower portion of the shell frame, the rotating shaft penetrates through the shell frame, one end; the control main body comprises a nut and a bolt, the side end of the nut is fixedly connected to the outer end of the shell frame, the bolt penetrates through the nut, the bolt is installed at the inner end of the nut in a threaded mode, the side end of the bolt is extruded on the outer wall of the lower portion of the elastic piece, and the inner wall of the lower end of the elastic piece and the strap are extruded together.

Preferably, the belt winding main body further comprises a shell cover, the shell cover covers the outer sides of the rotating shaft and the clockwork spring, and the shell cover is fixedly connected with the shell frame.

Preferably, the belt retracting main body further comprises a clamping block, the clamping block is fixedly connected to the inner wall of the lower end of the elastic sheet, and the clamping block is matched with the straps in an extruding mode.

Preferably, the control main body further comprises fixing blocks, the fixing blocks are symmetrically arranged on the side portions of the nuts, and the fixing blocks are fixedly connected with the shell frame.

Preferably, the control main body further comprises a knob fixedly connected to the outer end of the bolt.

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

in the using process, when a user needs to carry the device up, the user only needs to directly carry the straps on the shoulders, and the convenience is improved compared with the carrying by carrying the device up; when a user needs to select a portable carrying device, the bolt is unscrewed outwards by means of external force, so that the bolt is not in contact with the elastic sheet, the elastic force of the elastic sheet is recovered outwards, the lower end of the strap is not bound, the rotating shaft is driven to rotate by the elastic force of the spiral spring, the strap is wound through the rotation of the rotating shaft, and the strap is collected into the inner side of the shell frame by the rotating shaft, so that the upper part of the strap is attached to the portable handle, and the portable carrying device is convenient for the user to take up the portable handle to carry the projector; when a user needs to select a strap mode, the strap is pulled out upwards and then the operation is reversed; the shell cover covers the clockwork spring and the rotating shaft inside, so that the aim of protecting the clockwork spring is fulfilled; when the outer wall of the lower end of the elastic sheet is extruded by external force, the elastic sheet drives the clamping block to tightly press the braces at the inner end of the shell frame; the knob facilitates the manual screwing of the bolt to rotate, and the bolt extrudes the outer wall of the lower part of the elastic sheet.

Drawings

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

FIG. 2 is a schematic view of the slitting structure of the belt collecting main body of the present invention;

fig. 3 is a schematic diagram of the structure of the control main body of the present invention.

In the figure: 1. a portable projector; 2. a belt collecting main body; 3. a control body; 4. a harness; 5. a housing; 6. a chute; 7. a spring plate; 8. a clockwork spring; 9. a rotating shaft; 10. a housing; 11. a clamping block; 12. a fixed block; 13. a nut; 14. a bolt; 15. a knob.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below with reference to 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.

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 that are relative to each other, are merely for convenience of description and to simplify the description, and do not indicate or imply that the device or element so 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 an embodiment: the LCD portable projector comprises a portable projector 1, wherein the portable projector 1 comprises a projector body, the portable projector 1 further comprises a belt collecting main body 2, a control main body 3 and a back belt 4, a portable handle is rotatably mounted at the upper end of the projector body, the belt collecting main body 2 is provided with a pair of belt collecting main bodies, the belt collecting main bodies 2 are symmetrically and fixedly connected to the side ends of the portable handle, the control main body 3 is fixedly mounted at the side end of the belt collecting main body 2, and the lower end of the back belt 4 is fixedly mounted at the inner end of the belt collecting main body 2; the belt winding main body 2 comprises a shell frame 5, a sliding groove 6, an elastic sheet 7, a clockwork spring 8 and a rotating shaft 9, the side end of the shell frame 5 is fixedly connected to the outer wall of the hand-held handle, the shell frame 5 and the hand-held handle are of an integral structure, the sliding groove 6 is hollowed at the inner end of the shell frame 5, the upper end of the elastic sheet 7 is fixedly connected to the inner end of the shell frame 5, the outer wall of the elastic sheet 7 is in sliding contact with the inner wall of the shell frame 5, the inner end of the clockwork spring 8 is fixedly connected to the outer end of the rotating shaft 9, the outer end of the clockwork spring 8 is fixedly installed with the shell frame 5, the side wall of the clockwork spring 8 is in sliding contact with the shell frame 5, the rotating shaft 9 is rotatably installed at the inner side end of the lower portion; the control main body 3 comprises a nut 13 and a bolt 14, the side end of the nut 13 is fixedly connected to the outer end of the shell frame 5, the bolt 14 penetrates through the nut 13, the bolt 14 is installed at the inner end of the nut 13 in a threaded mode, the side end of the bolt 14 is extruded on the outer wall of the lower portion of the elastic sheet 7, and the inner wall of the lower end of the elastic sheet 7 is extruded with the strap 4; in the using process, when a user needs to carry the device up, the user only needs to directly carry the shoulder strap 4 on the shoulder, and the convenience is improved compared with the carrying by carrying the device up; when a user needs to select a portable carrying device, the bolt 14 is unscrewed outwards by means of external force, the bolt 14 is not in contact with the elastic sheet 7, the elastic force of the elastic sheet 7 is recovered outwards, the lower end of the strap 4 is not bound, the rotating shaft 9 is driven to rotate by the elastic force of the spiral spring 8, the strap 4 is wound and wound through the rotating shaft 9, the strap 4 is collected into the inner side of the shell frame 5 by the rotating shaft 9, the upper part of the strap 4 is attached to the portable handle, and the portable carrying projector can be conveniently taken up by the user; when the user needs to select the strap mode, the strap 4 is pulled out upwards and then the operation is reversed.

The belt collecting main body 2 further comprises a shell cover 10, the shell cover 10 covers the outer sides of the rotating shaft 9 and the clockwork spring 8, and the shell cover 10 is fixedly connected with the shell frame 5; the clockwork spring 8 and the rotating shaft 9 are covered inside by the shell cover 10, so that the aim of protecting the clockwork spring 8 is fulfilled.

The belt collecting main body 2 further comprises a fixture block 11, the fixture block 11 is fixedly connected to the inner wall of the lower end of the elastic sheet 7, and the fixture block 11 is matched with the braces 4 in an extruding mode; when the outer wall of the lower end of the elastic sheet 7 is squeezed by an external force, the elastic sheet 7 drives the clamping block 11 to tightly press the strap 4 at the inner end of the shell frame 5.

The control main body 3 further comprises fixing blocks 12, the fixing blocks 12 are symmetrically arranged on the side portions of the nuts 13, and the fixing blocks 12 are fixedly connected with the shell frame 5.

The control body 3 further comprises a knob 15, and the knob 15 is fixedly connected to the outer end of the bolt 14; the knob 15 facilitates the rotation of the manual screwing bolt 14, and the bolt 14 presses the lower outer wall of the elastic sheet 7.

The working principle is as follows: in the using process, when a user needs to carry the device up, the user only needs to directly carry the shoulder strap 4 on the shoulder, and the convenience is improved compared with the carrying by carrying the device up; when a user needs to select a portable carrying device, the bolt 14 is unscrewed outwards by means of external force, the bolt 14 is not in contact with the elastic sheet 7, the elastic force of the elastic sheet 7 is recovered outwards, the lower end of the strap 4 is not bound, the rotating shaft 9 is driven to rotate by the elastic force of the spiral spring 8, the strap 4 is wound and wound through the rotating shaft 9, the strap 4 is collected into the inner side of the shell frame 5 by the rotating shaft 9, the upper part of the strap 4 is attached to the portable handle, and the portable carrying projector can be conveniently taken up by the user; when the user needs to select the strap mode, the strap 4 is pulled out upwards and then the reverse operation is carried out; the shell cover 10 is utilized to cover the clockwork spring 8 and the rotating shaft 9 inside, so that the aim of protecting the clockwork spring 8 is fulfilled; when the outer wall of the lower end of the elastic sheet 7 is squeezed by external force, the elastic sheet 7 drives the clamping block 11 to tightly press the braces 4 at the inner end of the shell frame 5; the knob 15 facilitates the rotation of the manual screwing bolt 14, and the bolt 14 presses the lower outer wall of the elastic sheet 7.

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

The portable LCD projector comprises a portable projector body (1), and is characterized in that: the portable projector (1) further comprises a belt retracting main body (2), a control main body (3) and straps (4), wherein a hand-held handle is rotatably mounted at the upper end of the projector body, a pair of belt retracting main bodies (2) are arranged, the belt retracting main bodies (2) are symmetrically and fixedly connected to the side ends of the hand-held handle, the control main body (3) is fixedly mounted at the side end of the belt retracting main body (2), and the lower ends of the straps (4) are fixedly mounted at the inner end of the belt retracting main body (2); the belt winding main body (2) comprises a shell frame (5), a sliding groove (6), an elastic sheet (7), a clockwork spring (8) and a rotating shaft (9), the side end of the shell frame (5) is fixedly connected to the outer wall of the portable handle, the shell frame (5) and the portable handle are of an integrated structure, the sliding groove (6) is hollowed at the inner end of the shell frame (5), the upper end of the elastic sheet (7) is fixedly connected to the inner end of the shell frame (5), the outer wall of the elastic sheet (7) is in sliding contact with the inner wall of the shell frame (5), the inner end of the clockwork spring (8) is fixedly connected to the outer end of the rotating shaft (9), the outer end of the clockwork spring (8) is fixedly installed with the shell frame (5), the side wall of the clockwork spring (8) is in sliding contact with the shell frame (5), the rotating shaft (9) is rotatably installed at the inner side end of the lower portion of the, one end of the rotating shaft (9) positioned at the inner side of the shell frame (5) is fixedly connected with the braces (4), and the braces (4) are wound on the outer side of the rotating shaft (9); the control main body (3) comprises a nut (13) and a bolt (14), the side end of the nut (13) is fixedly connected to the outer end of the shell frame (5), the bolt (14) penetrates through the nut (13), the bolt (14) is installed at the inner end of the nut (13) in a threaded mode, the side end of the bolt (14) is extruded on the outer wall of the lower portion of the elastic piece (7), and the inner wall of the lower end of the elastic piece (7) is extruded with the strap (4).
2. An LCD portable projector as recited in claim 1, wherein: the belt winding main body (2) further comprises a shell cover (10), the shell cover (10) covers the outer sides of the rotating shaft (9) and the clockwork spring (8), and the shell cover (10) is fixedly connected with the shell frame (5).
3. An LCD portable projector as recited in claim 1, wherein: the belt retracting main body (2) further comprises a clamping block (11), the clamping block (11) is fixedly connected to the inner wall of the lower end of the elastic sheet (7), and the clamping block (11) is matched with the strap (4) in an extruding mode.
4. An LCD portable projector as recited in claim 1, wherein: the control main body (3) further comprises fixing blocks (12), the fixing blocks (12) are symmetrically arranged on the side portions of the nuts (13), and the fixing blocks (12) are fixedly connected with the shell frame (5).
5. An LCD portable projector as recited in claim 1, wherein: the control main body (3) further comprises a knob (15), and the knob (15) is fixedly connected to the outer end of the bolt (14).