CN211506157U

CN211506157U - Liftable projection equipment

Info

Publication number: CN211506157U
Application number: CN202020625532.5U
Authority: CN
Inventors: 毛春华; 毛丽丽; 佟书群
Original assignee: Eastern Liaoning University
Current assignee: Eastern Liaoning University
Priority date: 2020-04-23
Filing date: 2020-04-23
Publication date: 2020-09-15
Anticipated expiration: 2030-04-23

Abstract

The utility model relates to a projection equipment technical field, concretely relates to liftable projection equipment, including containing box, supporting seat and curtain, the supporting seat top has linked firmly the rolling sleeve, the top of supporting seat is located one side of rolling sleeve and has seted up and accomodate the groove, the inner wall symmetry of one side of accomodating the groove has linked firmly the third round pin axle, and the inboard symmetry of accomodating the groove is provided with two elevating system. The utility model discloses in, through be provided with the sleeve between containing box and supporting seat, the one-level telescopic link, second grade telescopic link and tertiary telescopic link, can adjust the interval between containing box and the supporting seat, and be provided with the bracing piece at the top of supporting seat, utilize the bracing piece can highly adjust the curtain, can adjust the height of curtain as required like this, thereby can the person of facilitating the use the projecting apparatus in the open air, and can supply power for the projecting apparatus through the battery, it is long when prolonging the duration of a journey of projecting apparatus.

Description

Liftable projection equipment

Technical Field

The utility model relates to a projection equipment technical field, concretely relates to liftable projection equipment.

Background

A projector, also called a projector, is a device that can project images or videos onto a curtain, and can be connected with a computer, a VCD, a DVD, a BD, a game machine, a DV, etc. through different interfaces to play corresponding video signals, and is widely used in homes, offices, schools, and entertainment places. People require constantly to improve to projection equipment's operational environment, and partial school often adopts the mode of outdoor extension to go on when professor english class, is favorable to improving student's acceptance efficiency like this, and current projection equipment need carry out outdoor english teaching and use at people, because receives the influence of environment, if inconvenient circular telegram or inconvenient layout curtain, is not convenient for use it to be not convenient for carry out english teaching.

SUMMERY OF THE UTILITY MODEL

In order to overcome the technical problem, an object of the utility model is to provide a liftable projection equipment, through be provided with the sleeve between containing box and supporting seat, the one-level telescopic link, second grade telescopic link and tertiary telescopic link, can adjust the interval between containing box and the supporting seat, and be provided with the bracing piece at the top of supporting seat, utilize the bracing piece can highly adjust the curtain, can adjust the height of curtain as required like this, thereby can the person of facilitating the use the projecting apparatus in the open air, and can supply power for the projecting apparatus through the battery, it is long when prolonging the continuation of the journey of projecting apparatus.

The purpose of the utility model can be realized by the following technical scheme:

a lifting projection device comprises a containing box, a supporting seat and a curtain, wherein the top end of the supporting seat is fixedly connected with a rolling sleeve, a containing groove is formed in one side, located on the rolling sleeve, of the top end of the supporting seat, two third hinge pins are symmetrically and fixedly connected to the inner wall of one side of the containing groove, and two lifting mechanisms are symmetrically arranged on the inner side of the containing groove;

the lifting mechanism comprises a second pin shaft and two support rods, one ends of the two adjacent support rods are rotatably connected through the second pin shaft, one end of the curtain is fixedly connected with a baffle, one side of the baffle is symmetrically and fixedly connected with two first pin shafts, the other end of the curtain is fixedly connected with a rotating shaft, two ends of the rotating shaft are rotatably connected with two ends of a winding sleeve, four corners of one side wall in the containing box are respectively fixedly connected with a sleeve in a clamping manner, a first-stage telescopic rod is slidably embedded in the inner side of the sleeve, a second-stage telescopic rod is slidably embedded in the inner side of the first-stage telescopic rod, a third-stage telescopic rod is slidably embedded in the inner side of the second-stage telescopic rod, the sleeve is positioned in the containing box, so that the containing box and the support seat are mutually attached, two drawers are slidably connected in the containing box along the vertical direction, the inside battery of having placed of drawer that is located the below utilizes the battery to supply power to the projecting apparatus, the bottom both ends of supporting seat and containing box have all linked firmly universal auto-lock wheel, the containing box has just linked firmly four magnets to one side of supporting seat.

The curtain is further characterized in that the two supporting rods are the same in length, the sum of the lengths of the two supporting rods is smaller than the length of the accommodating groove, and the two lifting mechanisms cannot affect each other when the curtain is accommodated.

The length of the first-stage telescopic rod is smaller than that of the sleeve, and the length of the first-stage telescopic rod, the length of the second-stage telescopic rod and the length of the third-stage telescopic rod are the same, so that the supporting seat is convenient to attach to the containing box.

Further, the width of the accommodating groove is larger than the sum of the widths of the two supporting rods, and the two supporting rods have enough space for accommodating.

Further, the method comprises the following steps: four magnet links firmly respectively in four corners of containing box and the adjacent one side of supporting seat, when supporting seat and containing box laminating, can effectual laminating, the convenient removal.

Further, the method comprises the following steps: the height of containing box is the same with the height of supporting seat, has reduced the required space of whole equipment when idle.

The utility model has the advantages that:

1. through be provided with the sleeve between containing box and supporting seat, the one-level telescopic link, second grade telescopic link and tertiary telescopic link, can adjust the interval between containing box and the supporting seat, and be provided with the bracing piece at the top of supporting seat, utilize the bracing piece can highly adjust the curtain, can highly adjust the curtain as required like this, thereby can the person of facilitating the use uses the projecting apparatus in the open air, the efficiency of teaching is improved, and can supply power for the projecting apparatus through the battery, long duration of endurance of extension projecting apparatus.

Drawings

The present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a perspective view of the present invention;

FIG. 3 is a schematic view of the position relationship between the support base and the support rod of the present invention;

fig. 4 is a schematic structural view of the middle support rod in the storage state.

In the figure: 1. a curtain; 2. a storage box; 3. a magnet; 4. a rotating shaft; 5. a supporting seat; 6. a universal self-locking wheel; 7. winding a sleeve; 8. a baffle plate; 9. a first pin shaft; 10. a support bar; 11. a second pin shaft; 12. a drawer; 13. a sleeve; 131. a first-stage telescopic rod; 132. a secondary telescopic rod; 133. a three-stage telescopic rod; 14. a third pin shaft; 15. a receiving groove; 16. a storage battery; 17. a projector.

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. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, a liftable projection device includes a storage box 2, a support base 5 and a curtain 1, wherein the top end of the support base 5 is fixedly connected with a winding sleeve 7, one side of the top end of the support base 5, which is located on the winding sleeve 7, is provided with a storage groove 15, the inner wall of one side of the storage groove 15 is symmetrically and fixedly connected with two third pin shafts 14, and the inner side of the storage groove 15 is symmetrically provided with two lifting mechanisms;

the lifting mechanism comprises a second pin shaft 11 and two support rods 10, one ends of the two adjacent support rods 10 are rotatably connected through the second pin shaft 11, one end of a curtain 1 is fixedly connected with a baffle piece 8, one side of the baffle piece 8 is symmetrically and fixedly connected with two first pin shafts 9, the other end of the curtain 1 is fixedly connected with a rotating shaft 4, two ends of the rotating shaft 4 are rotatably connected with two ends of a winding sleeve 7, four corners of one side wall in the containing box 2 are respectively clamped and fixed with a sleeve 13, a first-stage telescopic rod 131 is slidably embedded in the inner side of the sleeve 13, a second-stage telescopic rod 132 is slidably embedded in the inner side of the first-stage telescopic rod 131, a third-stage telescopic rod 133 is slidably embedded in the inner side of the second-stage telescopic rod 132, the sleeve 13 is positioned in the containing box 2, so that the containing box 2 and the support seat 5 are mutually, the inside projecting apparatus 17 of having placed of a drawer 12 that is located the top, the inside battery 16 of having placed of drawer 12 that is located the below utilizes battery 16 to supply power to projecting apparatus 17, and the bottom both ends of supporting seat 5 and containing box 2 have all linked firmly universal auto-lock wheel 6, and containing box 2 has just linked firmly four magnet 3 to one side of supporting seat 5.

The two support rods 10 have the same length, and the sum of the lengths of the two support rods 10 is smaller than the length of the accommodating groove 15, so that the two lifting mechanisms cannot influence each other when the curtain 1 is retracted; the length of one-level telescopic link 131 is less than the length of sleeve 13, and the length of one-level telescopic link 131, second grade telescopic link 132 and tertiary telescopic link 133 is the same, is convenient for make supporting seat 5 and containing box 2 laminate.

The width of the accommodating groove 15 is larger than the sum of the widths of the two support rods 10, and the two support rods 10 have enough space for accommodating when being accommodated; the four magnets 3 are fixedly connected to four corners of one surface of the containing box 2 adjacent to the supporting seat 5 respectively, so that the connection strength is improved; the height of the containing box 2 is the same as that of the supporting seat 5, so that the containing box is convenient to move. The containing box 2 is carbon fiber material with the overall structure material of supporting seat 5, and the overall structure quality is light, and convenient and fast removes, has improved work efficiency.

The working principle is as follows: during the use, movable support seat 5 leaves containing box 2, drive second grade telescopic link 132 to suitable distance through tertiary telescopic link 133 of horizontal migration, upwards spur separation blade 8, two elevating system's bracing piece 10 struts, when curtain 1 rises to suitable position, second round pin axle 11 has been fastened through the bolt, guarantee that bracing piece 10 no longer moves, conveniently carry out the projection, when curtain 1 is packed up to needs, loosen the second round pin axle 11 of fastening, rotate axis of rotation 4, roll up curtain 1, avoid curtain 1 to be located the external world and cause the damage, when carrying out the projection, take out projecting apparatus 17 from the inside of upper end drawer 12, arrange containing box 2's top in, be convenient for the regulation of projecting apparatus 17 angle.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is illustrative and explanatory only, and various modifications, additions and substitutions as described for the specific embodiments described herein may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the invention as defined in the claims.

Claims

1. A lifting projection device comprises a containing box (2), a supporting seat (5) and a curtain (1), and is characterized in that the top end of the supporting seat (5) is fixedly connected with a winding sleeve (7), one side, located on the winding sleeve (7), of the top end of the supporting seat (5) is provided with a containing groove (15), the inner wall of one side of the containing groove (15) is symmetrically and fixedly connected with two third pin shafts (14), and two lifting mechanisms are symmetrically arranged on the inner side of the containing groove (15);

the lifting mechanism comprises a second pin shaft (11) and two supporting rods (10), one adjacent ends of the two supporting rods (10) are rotatably connected through the second pin shaft (11), one end of the curtain (1) is fixedly connected with a separation blade (8), one side of the separation blade (8) is symmetrically and fixedly connected with two first pin shafts (9), the other end of the curtain (1) is fixedly connected with a rotating shaft (4), the two ends of the rotating shaft (4) are rotatably connected with the two ends of a winding sleeve (7), four corners of one side wall in the storage box (2) are respectively and fixedly connected with a sleeve (13) in a clamping manner, the inner side of the sleeve (13) is slidably embedded with a first-stage telescopic rod (131), the inner side of the first-stage telescopic rod (131) is slidably embedded with a second-stage telescopic rod (132), the inner side of the second-stage telescopic rod (132) is slidably embedded with a third-stage telescopic rod (133), and the storage box (2, wherein, be located inside the drawer (12) of top and placed projecting apparatus (17), the inside battery (16) of having placed of drawer (12) that is located the below, the bottom both ends of supporting seat (5) and containing box (2) have all linked firmly universal auto-lock wheel (6), containing box (2) just have linked firmly four magnet (3) to one side of supporting seat (5).

2. Liftable projection apparatus according to claim 1, wherein the two support rods (10) have the same length, and the sum of the lengths of the two support rods (10) is smaller than the length of the receiving groove (15).

3. Liftable projection equipment according to claim 1, wherein the length of the first-stage telescopic rod (131) is smaller than the length of the sleeve (13), and the lengths of the first-stage telescopic rod (131), the second-stage telescopic rod (132) and the third-stage telescopic rod (133) are the same.

4. Liftable projection apparatus according to claim 1, wherein the width of the receiving groove (15) is larger than the sum of the widths of the two support bars (10).

5. A liftable projection apparatus according to claim 1, wherein four magnets (3) are respectively fixed at four corners of the adjacent surface of the storage box (2) and the support base (5).

6. Liftable projection apparatus according to claim 1, wherein the height of the storage box (2) is the same as the height of the support base (5).