CN201780450U

CN201780450U - Telescopic support for screen of mini projector

Info

Publication number: CN201780450U
Application number: CN2010202594622U
Authority: CN
Inventors: 张正和
Original assignee: Individual
Current assignee: Individual
Priority date: 2010-07-15
Filing date: 2010-07-15
Publication date: 2011-03-30
Anticipated expiration: 2020-07-15

Abstract

The utility model discloses a telescopic support for a screen of a mini projector, which aims to solve the problem that the conventional telescopic support for the screen of a mini projector can not to be dismounted. The telescopic support comprises two bases, two vertical rods, a lower cross rod, an upper cross rod and a screen, wherein fixing holes are formed at the upper part and on the inner side of each base; the two vertical rods are arranged on the fixing holes at the upper parts of the bases, an embedding and buckling part is arranged at the upper part of each vertical rod, and fixed columns corresponding to the fixing holes at the upper parts of the bases are arranged at the lower parts of the vertical rods; the lower cross rod is arranged on the fixing holes on the inner sides of the bases, and fixed columns corresponding to the fixing holes on the inner sides of the bases are arranged at the two ends of the lower cross rod; the upper cross rod is arranged at the embedding and buckling parts of the vertical rods, fixed columns corresponding to the embedding and buckling parts of the vertical rods and provided with grooves are arranged at the two ends of the upper cross rod, and ejector blocks are arranged on the inner side of the fixed columns and closely connected with the fixed columns; and the screen is arranged on the two vertical rods and is inverted U-shaped, and an accommodating chamber is arranged inside the screen. With the structure, the telescopic support can be completely dismounted and extended/contracted or folded, and is portable and easy to assemble.

Description

Minitype projection machine cloth curtain expansion bracket

Technical field

The utility model relates to a kind of support body, particularly a kind ofly provides projection screen to use and reaches and stretch or the minitype projection machine cloth curtain expansion bracket of folding for supporting and can do dismounting, assembling.

Background technology

By the cloth curtain supporting frame that generally throws its image as its image of projector, fixed because of being entirely on the structure, therefore, cause its volume quite huge, if will go out, more can't dismantle and decompose or flexible or folding becomes the finding of small size, cause very time-consuming taking a lot of work in carrying and the transportation, carry inconvenience because of this support body.

The utility model content

For addressing the aforementioned drawbacks, the utility model purpose is providing a kind of and can be dismantled, assemble and the minitype projection machine cloth curtain expansion bracket of flexible or folding.

In order to achieve the above object, the utility model provides a kind of minitype projection machine cloth curtain expansion bracket, and it comprises:

Two pedestals, side and inboard are respectively equipped with fixed orifice thereon;

Two vertical rods, be located on the pedestal upper fixed hole, this vertical rod top is provided with a buckle portion in addition, and this buckle portion includes: the collar in the footstock of a tool embedding head, a spring, a tool embedding edge and embedding hole, and the below of this vertical rod then is provided with the fixed leg in its upper fixed hole of corresponding pedestal;

One sheer pole is located on its inboard fixed orifice of pedestal, and the fixed leg of corresponding its inboard fixed orifice of pedestal is arranged respectively in its two ends;

One cross tube is located at its buckle portion of vertical rod, and its two ends are provided with the tool groove and in abutting connection with the fixed leg of jacking block and its buckle portion of corresponding vertical rod;

One cloth curtain is sheathed in two vertical rods, and this cloth curtain is ㄇ type shape and is provided with accommodation space in it.

Design by this except providing the user by the cloth curtain the propped up projection image, more can be done to dismantle and assemble by each assembly, and allows the utility model volume-diminished, is convenient for carrying.

Description of drawings

Fig. 1: be three-dimensional exploded view of the present utility model.

Fig. 2: be three-dimensional combination figure of the present utility model.

Fig. 3: be the utility model combination section.

Fig. 4: be the combination section of the utility model buckle portion and its fixed leg of cross tube.

Fig. 5: be the outboard profile of the utility model with the effect of (miniature) projector.

Fig. 6: another implements illustration (folding) for the utility model.

Embodiment

See also Fig. 1 to shown in Figure 4, be respectively the combination section of three-dimensional exploded view of the present utility model, three-dimensional combination figure of the present utility model, combination section of the present utility model and the utility model buckle portion and its fixed leg of cross tube, minitype projection machine cloth curtain expansion bracket of the present utility model includes two pedestals 1, two vertical rods 2, a sheer pole 4, a cross tube 3, a cloth curtain 5 in a preferred embodiment.

Aforesaid two pedestals 1, be a blocks, this pedestal 1 has constant weight and is difficult for moving to provide, and is respectively equipped with

fixed orifice

11,12 in this pedestal 1 top and inboard,

fixed orifice

11,12 can be the screw of tool thread in present embodiment, and it also can be for the straight hole that is embedded usefulness.

Aforesaid two vertical rods 2, be a rhabodoid, it is located at the upper fixed hole 11 of pedestal 1, these vertical rod 2 tops are provided with a buckle portion 20, this buckle portion 20 further includes: the footstock 201 of a tool embedding 202, one spring 203, the collar 22 in one tool embedding edge 220 and embedding hole 221, wherein, embedding 202 is convexly set in footstock 201 tops of vertical rod 2 ends, footstock 201 belows are arranged with a compression spring 203, then be coated with a collar 22 as for the footstock 201 and spring 203 outsides, this collar 22 is recess and is provided with a monolateral embedding hole 221 of running through in side central authorities, the opening that the collar 22 is recess is provided with the embedding edge 220 that coats spring 203 bottoms, strength by spring 203 is suppressed on footstock 201 collar 22, and footstock 201 positions of this moment are positioned at 221 places, embedding hole of the collar 22 just, again for making the utility model can be more sliding suitable in when operation, can be provided with the round end portion 23 of a tool trepanning 231 in addition in the collar 22 tops of vertical rod 2, again for to make the length of its vertical rod 2 of the utility model reach certain height, in these vertical rod 2 scalable bodies of rod of present embodiment as antenna, but do not limit the utility model with this, this vertical rod 2 also can be regular length and is provided with the pin-jointed structure 7 (of the present utility model another as shown in Figure 6 implemented illustration) that can folding folds in the stage casing.

Aforesaid sheer pole 4, be located on pedestal 1 its inboard fixed orifice 12, the fixed leg 41 that corresponding pedestal 1 its inboard fixed orifice 12 is arranged respectively in its two ends, in this fixed leg 41 of present embodiment is the screw rod with thread, for fixing with pedestal 1 its inboard fixed orifice 12 screw locks that can be screw, but do not limit the utility model with this, the fixed leg 41 of this sheer pole 4 also can be a body of rod for being embedded with relative pedestal 1 its inboard fixed orifice 12 that should be straight hole, again for to make the width of its sheer pole 4 of the utility model reach certain length, in these sheer pole 4 scalable bodies of rod of present embodiment as antenna, but do not limit the utility model with this, this sheer pole 4 also can be regular length and is provided with the pin-jointed structure 7 (as shown in Figure 6) that can folding folds in the stage casing.

Aforesaid cross tube 3, be located on the embedding hole 221 of vertical rod 2 its buckle portions 20 and the collar 22, the two ends of this cross tube 3 are provided with the fixed leg 31 of tool groove 311, fixed leg 31 is inboard in abutting connection with being provided with the jacking block 32 that ends for the top, the fixed leg of groove 311 of wherein having wears in the embedding hole 221 of vertical rod 2, groove 311 is then in the protrusion embedding 202 of embedding vertical rod 2 its end footstock 201 tops, be located at the outside in vertical rod 2 its collar 22 its embedding holes 221, top as for 32 tops of the jacking block that is adjacent to fixed leg 31, the collar 22 up need be drawn during buckle and make its embedding edge 220 upwards spring 203 compressions, 201 of footstocks that originally peak at the collar 22 its embedding holes 221 this moment can down make embedding hole 221 energy without hindrance, the set fixed leg 31 in cross tube 3 two ends this moment can insert in the collar 22, can make the jacking block 32 spacing tops of adjacency terminate in the outside in embedding hole 221 simultaneously, loosen (up not drawing) with the collar 22 this moment again, the collar 22 can be subjected to 203 recovery strength and downwards, this simultaneously, the embedding hole 221 of the collar 22 can be with the fixed leg 31 past bottom offsets of cross tube 3, and the top that set groove 311 on cross tube 3 its fixed legs 31 is embedded at vertical rod 2 its footstocks 201 protruded in the embedding 202 be fixing, make cross tube 3 to extract out, begin to reach up to once more the collar 22 upwards being drawn, be similarly again and make the width of its cross tube 3 of the utility model reach certain length, in these cross tube 3 scalable bodies of rod of present embodiment as antenna, but do not limit the utility model with this, this cross tube 3 also can be regular length and is provided with the pin-jointed structure 7 (as shown in Figure 6) that can folding folds in the stage casing.

Aforesaid cloth curtain 5, be sheathed in two vertical rods 2, this cloth curtain 5 is ㄇ type shape, and in it, be provided with accommodation space 51, during use cloth curtain 5 being located on two poles 2, because its top has cross tube 3 therefore this cloth curtain 5 can be propped up again, is elastical cloth in this cloth curtain 5 of the utility model, its purpose is to make the surface of propping up not produce fold, makes the image that is throwed by (miniature) projector 6 more clear (outboard profile of the utility model as shown in Figure 5 and the effect of (miniature) projector).

Design by this, except providing the user by the cloth curtain projection image of propping up, more can make dismounting, assembling, flexible or folding by each assembly, and allow the utility model volume-diminished, be convenient for carrying, easy-to-use, size of the present utility model again and Aspect Ratio can adjust according to the market demand.

Claims

1. a minitype projection machine cloth curtain expansion bracket is characterized in that, comprising:

Two pedestals are a blocks, and this pedestal top and inboard are respectively equipped with fixed orifice;

Two vertical rods, be a rhabodoid, be located at the upper fixed hole of pedestal, this vertical rod top is provided with a buckle portion, and this buckle portion includes: the collar in the footstock of a tool embedding head, a spring, a tool embedding edge and embedding hole, wherein, footstock is located at pole tip, the embedding head is convexly set in the footstock top that has a compression spring, and footstock and spring outside coating one are the collar of recess and tool one opening, and the collar one side central authorities are provided with a monolateral embedding hole of running through and are provided with the embedding edge of coating spring bottom in the opening of the collar;

Sheer pole is located on its inboard fixed orifice of pedestal, and the fixed leg of corresponding its inboard fixed orifice of pedestal is arranged respectively in its two ends;

Cross tube is located on the embedding hole of its buckle portion of vertical rod and the collar, and these cross tube two ends are provided with the footstock of its buckle portion of corresponding vertical rod and the canaliculate fixed leg that the embedding head is protruded in this footstock top, and fixed leg is inboard in abutting connection with being provided with the jacking block that terminates in its embedding hole of the collar for the top;

One cloth curtain is sheathed in two vertical rods, and this cloth curtain is ㄇ type shape, and is provided with accommodation space in it.

2. minitype projection machine cloth curtain expansion bracket as claimed in claim 1 is characterized in that, the fixed orifice of pedestal is the screw or the straight hole for Gong being embedded of tool thread.

3. as claim 1 a described minitype projection machine cloth curtain expansion bracket, it is characterized in that the round end portion of a tool trepanning is established in the collar top of vertical rod.

4. minitype projection machine cloth curtain expansion bracket as claimed in claim 2 is characterized in that the fixed leg of sheer pole is the screw rod of tool thread.

5. minitype projection machine cloth curtain expansion bracket as claimed in claim 1 is characterized in that the cloth curtain is an elastical cloth.

6. as claim 1,2,3,4 or 5 described minitype projection machine cloth curtain expansion brackets, it is characterized in that sheer pole and/or cross tube are the flexible body of rod

7. as claim 1,2,3,4 or 5 described minitype projection machine cloth curtain expansion brackets, it is characterized in that sheer pole and/or cross tube are that the stage casing is provided with the foldable pin-jointed structure that folds.

8. as claim 1,2,3,4 or 5 described minitype projection machine cloth curtain expansion brackets, it is characterized in that vertical rod is the flexible body of rod.

9. as claim 1,2,3,4 or 5 described minitype projection machine cloth curtain expansion brackets, it is characterized in that vertical rod is that the stage casing is provided with the foldable pin-jointed structure that folds.