CN211403110U

CN211403110U - Projection curtain of projector

Info

Publication number: CN211403110U
Application number: CN202020136842.0U
Authority: CN
Inventors: 俞文婷
Original assignee: Guangzhou Hengyue Human Resources Service Co Ltd
Current assignee: Guangzhou Hengyue Human Resources Service Co Ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-09-01
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses a projection curtain of projector, which belongs to the technical field of projection equipment, and comprises a curtain and a tripod, wherein the tripod comprises a support rod, a main support foot and an auxiliary support foot, the main support foot and the auxiliary support foot are hinged with the support rod, the main support foot is provided with a first support rod holding cambered surface, two sides of the first support rod holding cambered surface are provided with auxiliary support holding cambered surfaces, the auxiliary support foot is provided with a second support rod holding cambered surface, the first support rod holding cambered surface and two groups of second support rod holding cambered surfaces form a holding cavity, by gathering the main support foot and two groups of auxiliary support feet, the auxiliary support holding cambered surface and two groups of second support rod holding cambered surfaces gather together to form a holding cavity, the support rod is held in the holding cavity, so that the main support foot, the auxiliary support foot and the support rod can be mutually laminated together in a holding state, the mutual gap is reduced, thereby avoiding clamping foreign matters in the holding state, meanwhile, the size of the projection curtain bracket can be further reduced.

Description

Projection curtain of projector

Technical Field

The utility model relates to a projection equipment technical field, in particular to projection curtain of projecting apparatus.

Background

When a projector projects an image or a video, an imaging carrier such as a curtain or a white flat wall surface is required. The existing projector is gradually miniaturized, the selection of a use place is greatly facilitated, and the use range of the projector is expanded. However, the brackets of the projection screen still have the defects of large volume and inconvenient storage, and foreign matters such as hands are easily clamped in the gaps among the foot brackets in the storage state.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to provide a projection curtain of projecting apparatus, solve the problem that the clearance between the foot support is pressed from both sides the foreign matter easily under the state of accomodating, reduce the volume of projection curtain support.

In order to solve the technical problem, the utility model discloses a technical scheme does:

a projection curtain of a projector comprises a curtain and a tripod, wherein the curtain is detachably fixed on the tripod, the tripod comprises a support rod, a main support foot and two groups of auxiliary support feet, the curtain is detachably fixed on the top of the support rod, and the main support foot and the auxiliary support feet are hinged with the middle lower part of the support rod;

the support comprises a main support foot and two sets of support rods, wherein the main support foot is provided with a first support rod accommodating cambered surface on one side facing the support rods, auxiliary support accommodating cambered surfaces are arranged on two sides of the first support rod accommodating cambered surface, a second support rod accommodating cambered surface is arranged on one side of the auxiliary support foot facing the support rods, and the first support rod accommodating cambered surface and the two sets of second support rod accommodating cambered surfaces form an accommodating cavity for accommodating the support rods.

Preferably, the bottom of the support rod is fixedly provided with a fixed connection clamping ring, the fixed connection clamping ring is connected with the middle parts of the main support legs and the two groups of auxiliary support legs through adjusting connecting rods, the middle lower part of the support rod is provided with a movable connection clamping ring in a sliding mode, the sliding sleeve of the movable connection clamping ring is arranged on the middle lower part of the support rod in a sliding mode, and the tops of the main support legs and the two groups of auxiliary support legs are hinged to the movable connection clamping ring.

Preferably, the movable connection clamping ring is provided with a knurled bolt for locking the movable connection clamping ring, the knurled bolt is radially connected with the movable connection clamping ring in a threaded manner, and the front end of the knurled bolt is movably abutted against the support rod.

Preferably, the projection curtain further comprises a binding belt for binding the fixed support rod, the main support leg and the two sets of auxiliary support legs.

Preferably, the supporting rod is a telescopic rod.

Adopt above-mentioned technical scheme, through gathering together main tributary frame foot and two sets of auxiliary tributary frame foot, make first bracing piece holding cambered surface and two sets of second bracing piece holding cambered surfaces gather together into the holding chamber, the bracing piece holding is in the holding intracavity, two sets of auxiliary tributary frame feet are partial gomphosis respectively in the auxiliary tributary frame holding cambered surface of first bracing piece holding cambered surface both sides, make the main tributary frame foot, gathering together that auxiliary tributary frame foot and bracing piece can laminate each other under the state of accomodating, mutual clearance has been reduced, thereby avoided pressing from both sides the foreign matter under the state of accomodating, the volume that reduces projection curtain support that simultaneously can also further.

Drawings

Fig. 1 is a perspective view of an embodiment of the present invention;

fig. 2 is a schematic diagram of a transverse cross-sectional structure of a main stand leg in an embodiment of the present invention;

FIG. 3 is a schematic diagram of a transverse cross-sectional structure of an auxiliary stand leg according to an embodiment of the present invention;

fig. 4 is a schematic view of a transverse cross-sectional structure of the embodiment of the present invention in a state where the main stand leg and the auxiliary stand leg are accommodated;

fig. 5 is a schematic view of a transverse cross-sectional structure of the embodiment of the present invention in a state where the main stand leg, the auxiliary stand leg and the support rod are accommodated;

fig. 6 is a schematic view of a partial structure of the tripod stand according to the embodiment of the present invention in a storage state.

In the figure, 10, a curtain, 20, support rods, 21, a fixed connection clamping ring, 22, an adjusting connecting rod, 23, a movable connection clamping ring, 24, a knurled bolt, 30, a main support foot, 31, a first support rod accommodating arc surface, 32, an auxiliary support accommodating arc surface, 40, an auxiliary support foot, 41, a second support rod accommodating arc surface, 50, an accommodating cavity, 60 and a binding belt.

Detailed Description

The following describes the present invention with reference to the accompanying drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1-6, the projection curtain 10 of the projector provided by the present invention comprises a curtain 10 and a tripod, wherein the curtain 10 is detachably fixed on the tripod, the tripod comprises a support rod 20, a main support foot 30 and two sets of auxiliary support feet 40, the curtain 10 is detachably fixed on the top of the support rod 20, and the main support foot 30 and the auxiliary support feet 40 are hinged to the middle lower part of the support rod 20;

the first support bar accommodating arc surface 31 is disposed on one side of the main support leg 30 facing the support bar 20, the auxiliary support bar accommodating arc surfaces 32 are disposed on two sides of the first support bar accommodating arc surface 31, the second support bar accommodating arc surfaces 41 are disposed on one side of the auxiliary support leg 40 facing the support bar 20, and the first support bar accommodating arc surface 31 and the two sets of second support bar accommodating arc surfaces 41 form an accommodating cavity 50 for accommodating the support bar 20.

Specifically, when accomodating projection curtain 10, through gathering together main tributary frame foot 30 and two sets of auxiliary tributary frame foot 40, make first bracing piece holding cambered surface 31 and two sets of second bracing piece holding cambered surface 41 gather together into holding chamber 50, bracing piece 20 holding is in holding chamber 50, two sets of auxiliary tributary frame foot 40 part gomphosis respectively in the auxiliary tributary frame holding cambered surface 32 of first bracing piece holding cambered surface 31 both sides, make main tributary frame foot 30, gathering together that auxiliary tributary frame foot 40 and bracing piece 20 can laminate each other under the state of accomodating, mutual clearance has been reduced, thereby avoided pressing from both sides the foreign matter under the state of accomodating, simultaneously can further reduce the volume of projection curtain 10 support.

Further, the bottom of the support rod 20 is fixedly provided with a fixed connection snap ring 21, the fixed connection snap ring 21 is connected with the middle parts of the main support leg 30 and the two sets of auxiliary support legs 40 through an adjusting connecting rod 22, the adjusting connecting rod 22 is hinged with the fixed connection snap ring 21, the other end of the adjusting connecting rod 22 is hinged with the middle parts of the main support leg 30 or the auxiliary support legs 40, the middle lower part of the support rod 20 is slidably provided with a movable connection snap ring 23, the movable connection snap ring 23 is slidably sleeved at the middle lower part of the support rod 20 and is hinged with the movable connection snap ring 23 at the top parts of the main support leg 30 and the two sets of auxiliary support legs 40, and the expansion angle of the main support leg 30 and the two sets.

Further, the movable connection clamping ring 23 is provided with a knurled bolt 24 used for locking the movable connection clamping ring 23, the knurled bolt 24 is radially connected with the movable connection clamping ring 23 in a threaded mode, the front end of the knurled bolt 24 is movably pressed on the supporting rod 20, and the movable connection clamping ring 23 can be locked at a proper height by rotating the knurled bolt 24.

Further, the projection curtain 10 further includes a belt 60 for tightening the fixing support rod 20, the main support leg 30 and the two sets of auxiliary support legs 40, and the fixing support rod 20, the main support leg 30 and the two sets of auxiliary support legs 40 are tightened by the belt 60 in the storage state, so that the main support leg 30 and the two sets of auxiliary support legs 40 are prevented from being separated from the support rods 20 in the carrying process.

Further, the supporting rod 20 is a telescopic rod, and the height of the telescopic rod can be adjusted to adjust the hanging height of the curtain 10.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. A projection curtain (10) for a projector, characterized in that: the curtain comprises a curtain (10) and a tripod, wherein the curtain (10) is detachably fixed on the tripod, the tripod comprises a support rod (20), a main support foot (30) and two groups of auxiliary support feet (40), the curtain (10) is detachably fixed on the top of the support rod (20), and the main support foot (30) and the auxiliary support feet (40) are hinged with the middle lower part of the support rod (20);

the support device is characterized in that a first support rod accommodating arc surface (31) is arranged on one side, facing the support rod (20), of the main support leg (30), auxiliary support rod accommodating arc surfaces (32) are arranged on two sides of the first support rod accommodating arc surface (31), a second support rod accommodating arc surface (41) is arranged on one side, facing the support rod (20), of the auxiliary support leg (40), and the first support rod accommodating arc surface (31) and the two groups of second support rod accommodating arc surfaces (41) form an accommodating cavity (50) for accommodating the support rod (20).

2. A projection curtain (10) for a projector as claimed in claim 1, wherein: the support rod (20) bottom is fixed and is provided with fixed connection snap ring (21), fixed connection snap ring (21) are connected through adjusting connecting rod (22) and main support foot (30) and two sets of assistant support foot (40) middle part, the lower part slides and is provided with swing joint snap ring (23) in bracing piece (20), lower part in bracing piece (20) is established in swing joint snap ring (23) slip cover, it is articulated with swing joint snap ring (23) with the top of main support foot (30) and two sets of assistant support foot (40).

3. A projection curtain (10) for a projector as claimed in claim 2, wherein: the movable connecting clamping ring (23) is provided with a knurled bolt (24) used for locking the movable connecting clamping ring (23), the knurled bolt (24) is radially in threaded connection with the movable connecting clamping ring (23), and the front end of the knurled bolt (24) is movably pressed on the supporting rod (20).

4. A projection curtain (10) for a projector as claimed in claim 1, wherein: also comprises a bridle (60) used for fastening and fixing the support rod (20), the main support foot (30) and two groups of auxiliary support feet (40).

5. A projection curtain (10) for a projector as claimed in claim 1, wherein: the supporting rod (20) is a telescopic rod.