CN217875110U

CN217875110U - Foldable projection bracket

Info

Publication number: CN217875110U
Application number: CN202221508938.0U
Authority: CN
Inventors: 温文辉
Original assignee: Zhongshan Baoyi Hardware Plastic Product Co ltd
Current assignee: Zhongshan Baoyi Hardware Plastic Product Co ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2022-11-22
Anticipated expiration: 2032-06-16

Abstract

The utility model discloses a collapsible projection support, include: the support frame is provided with a cloud deck; the at least two support legs are movably arranged on the support frame, can be folded on the side part of the support frame, or can be unfolded relative to the support frame to form a placing plane. The foldable projection support of the structure is movably provided with at least two support legs on the support frame, and the projection support is placed on a desktop by using a placing plane formed after the support legs are unfolded relative to the support frame, so that the projection support can be supported by projection equipment, the size of the projection support is reduced by folding the support legs and accommodating the side parts of the support frame, and the foldable projection support is favorable for packaging, transporting and carrying.

Description

Foldable projection bracket

Technical Field

The utility model relates to a collapsible projection support.

Background

At present, a general projection support placed on a desktop for use includes a support part for placing on the desktop and a tripod head spliced on the support part, and the tripod head is used for connecting projection equipment. Wherein, the volume of a support piece is great, and can not fold, is unfavorable for the packing transportation, and the cloud platform structure of concatenation on a support piece is loose, and the wholeness is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a collapsible projection support, this projection support is folding back volume less, is convenient for transport and carry.

According to the utility model discloses collapsible projection support, include: the support frame is provided with a cloud deck; the support legs are movably arranged on the support frame, can be folded on the side part of the support frame, or can be unfolded relative to the support frame to form a placing plane.

According to the utility model discloses collapsible projection support has following beneficial effect at least:

the foldable projection support of the structure is movably provided with at least two support legs on the support frame, and the projection support is placed on a desktop by using a placing plane formed after the support legs are unfolded relative to the support frame, so that the projection support can be supported by projection equipment, the size of the projection support is reduced by folding the support legs and accommodating the side parts of the support frame, and the foldable projection support is favorable for packaging, transporting and carrying.

In some embodiments of the present invention, the supporting legs are provided with two, the supporting legs are disposed on both sides of the supporting frame.

In some embodiments of the present invention, one end of the supporting leg is rotatably connected to the supporting frame, two the other end of the supporting leg is face to face, the supporting leg is opposite to the supporting frame, two when the supporting frame is unfolded, the supporting leg and the supporting frame form the split ring main body, the lower end face of the split ring main body constitutes the placing plane, and the holder is located directly above the region enclosed by the split ring main body.

In some embodiments of the present invention, the supporting legs are arc-shaped strips, the supporting frame has an arc-shaped inner surface corresponding to the supporting legs, and the supporting legs can be folded to be closely attached to the arc-shaped inner surface.

The utility model discloses an in some embodiments, the both sides difference indent of support frame is provided with and corresponds stabilizer blade assorted accommodation space.

In some embodiments of the present invention, the cradle head is disposed on the upper portion of the supporting frame, the supporting leg is rotatably disposed on the lower portion of the supporting frame, and an angle locking mechanism for stabilizing the supporting leg is disposed between the supporting leg and the supporting frame.

In some embodiments of the present invention, the supporting leg is rotatably connected to the supporting frame through a horizontal pivot, and the angle locking mechanism includes a first positioning hole and a second positioning hole distributed around the circumference of the horizontal pivot and a positioning member capable of elastically passing in and out of the first positioning hole or the second positioning hole.

In some embodiments of the present invention, the lower portion of the supporting frame is provided with a first clamping plate and a second clamping plate which are arranged face to face, the horizontal pivot is arranged through the first clamping plate and the second clamping plate, the first positioning hole and the second positioning hole are arranged on the first clamping plate, the positioning member is movably arranged on the first ball of the supporting leg, the first ball is provided with an elastic member between the supporting legs, and the elastic member orders at least part of the first ball to enter the first positioning hole or the second positioning hole.

The utility model discloses an in some embodiments, the cloud platform including install in the mount pad of support frame, the mount pad internal rotation is provided with the bulb, the bulb is connected with the threaded rod, the plummer is worn to be equipped with by the threaded rod, it can with to be equipped with threaded connection on the mount pad the bulb top tightly in the fastener of mount pad.

In some embodiments of the utility model, the support frame is equipped with the installation perforation that runs through from top to bottom, the mount pad is including wearing to locate the fenestrate lower connecting seat of installation and last connecting seat, lower connecting seat is equipped with second cavity, go up the connecting seat be equipped with the relative first cavity of second cavity, first cavity with the confession is injectd jointly to second cavity the bulb pivoted ball chamber, go up the connecting seat be equipped with first cavity is linked together and supplies the hole of stepping down that the threaded rod passed, fastener threaded connection in lower connecting seat and upwards stretch locate within the second cavity.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural view of a foldable projection stand according to an embodiment of the present invention when legs are unfolded;

FIG. 2 is a schematic view of the folded support legs of the embodiment of FIG. 1;

FIG. 3 is an exploded view of the embodiment of FIG. 1;

fig. 4 is a schematic structural diagram of another embodiment of the foldable projection stand according to the present invention.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the orientation description, such as the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., is the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplicity of description, and does not indicate or imply that the device or element 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.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the terms "mounted," "connected" and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

Referring to fig. 1 and 2, a foldable projection bracket according to an embodiment of the present invention includes: the cradle head 100 is arranged on the cradle 100, and the cradle head 200 is arranged on the cradle 100; the at least two support legs 300 are movably disposed on the support frame 100, and can be folded on the side of the support frame 100 or unfolded relative to the support frame 100 to form a placement plane.

The collapsible projection support of above structure is movable on support frame 100 and is set up two at least stabilizer blades 300, utilizes the stabilizer blade 300 to expand the plane of placing that the back formed relative to support frame 100 formed and lays the projection support on the desktop, and cloud platform 200 connects projection equipment to play the supporting role to projection equipment, utilize stabilizer blade 300 to fold and accomodate the volume that reduces the projection support at the lateral part of support frame 100, be favorable to packing transportation and carry. Moreover, the foldable projection bracket has less material and lower cost. The material of the supporting frame 100 and the supporting legs 300 can be selected from plastic, metal, alloy, and the like.

Referring to fig. 1 or 4, in some embodiments of the present invention, two legs 300 are provided, and the two legs 300 are disposed at both sides of the support frame 100. It can be understood that the two legs 300 are located at two sides of the support frame 100 after being unfolded, which is beneficial to the balance of the support of the projection device, and has a simple structure and low cost.

Referring to fig. 1 or 4, in some embodiments of the present invention, one end of each of the support legs 300 is rotatably connected to the support frame 100, the other ends of the two support legs 300 face to face, when the support legs 300 are unfolded relative to the support frame 100, a split ring main body is formed between the two support legs 300 and the support frame 100, the lower end surface of the split ring main body forms a placement plane, and the holder 200 is located right above the region surrounded by the split ring main body. It should be noted that the vertical projection of the pan/tilt head 200 is located in the middle of the region enclosed by the main bodies of the split rings, and the above structure is beneficial to providing a stable supporting effect for the pan/tilt head 200 and preventing the projection device on the pan/tilt head 200 from tilting.

In some embodiments of the present invention, the supporting legs 300 are arc-shaped, the supporting frame 100 has an arc-shaped inner surface corresponding to the supporting legs 300, and the supporting legs 300 can be folded to be closely attached to the arc-shaped inner surface. Referring to fig. 4, in this embodiment, the supporting legs 300 are folded on the lower side of the supporting frame 100, so as to prevent the supporting legs 300 from protruding from the left and right sides of the supporting frame 100, and the accommodating volume is small and the hands are not hurted.

Referring to fig. 1 or 4, in some embodiments of the present invention, in order to accommodate the supporting legs 300 at the side portions of the supporting frame 100, two sides of the supporting frame 100 are respectively provided with an accommodating space 110 corresponding to the supporting legs 300 in a concave manner. In this embodiment, the supporting frame 100 has a plurality of ribs on the inner surface thereof, and the two accommodating spaces 110 are respectively located at two sides of the ribs.

Referring to fig. 1 and 3, in some embodiments of the present invention, the holder 200 is disposed on the upper portion of the support frame 100, the support leg 300 is rotatably disposed on the lower portion of the support frame 100, and an angle locking mechanism 400 capable of stabilizing the support leg 300 is disposed between the support leg 300 and the support frame 100. The angle locking mechanism 400 can lock the position between the support leg 300 and the support frame 100, so that the support leg 300 is stable after being unfolded relative to the support frame 100, and the support leg 300 is stable after being folded relative to the support frame 100.

Referring to fig. 3, in some embodiments of the present invention, the supporting leg 300 is rotatably connected to the supporting frame 100 by a horizontal pivot 310, and the angle locking mechanism 400 includes a first positioning hole 410 and a second positioning hole 420 distributed around the circumference of the horizontal pivot 310, and a positioning member 430 capable of elastically entering and exiting from the first positioning hole 410 or the second positioning hole 420. Specifically, the first positioning hole 410 corresponds to the state that the supporting leg 300 is unfolded relative to the supporting frame 100, and the second positioning hole 420 corresponds to the state that the supporting leg 300 is folded relative to the supporting frame 100, it can be understood that when the supporting leg 300 is unfolded relative to the supporting frame 100, the positioning element 430 elastically enters the first positioning hole 410, when the supporting leg 300 is switched to the state that the supporting leg is folded relative to the supporting frame 100, the positioning element 430 first leaves the first positioning hole 410 and then elastically enters the second positioning hole 420, and at this time, the supporting leg 300 is located in the accommodating space 110.

Referring to fig. 3, in some embodiments of the present invention, the lower portion of the supporting frame 100 is provided with a first clamping plate 120 and a second clamping plate 130 which are disposed face to face, the horizontal pivot 310 is disposed through the first clamping plate 120 and the second clamping plate 130, the first positioning hole 410 and the second positioning hole 420 are disposed on the first clamping plate 120, the positioning member 430 is a first sphere movably disposed on the supporting leg 300, an elastic member 440 is disposed between the first sphere and the supporting leg 300, and the elastic member 440 drives at least a portion of the first sphere into the first positioning hole 410 or the second positioning hole 420. The first clamping plate 120 is connected to the second clamping plate 130 by a bolt connection, and it should be noted that when the supporting leg 300 rotates around the horizontal pivot 310, the supporting leg 300 drives the first ball head 210 to leave the first positioning hole 410 or the second positioning hole 420, and in this process, the first ball head 210 compresses the elastic member 440 and abuts against the inner wall of the first clamping plate 120.

Referring to fig. 3, in some embodiments of the present invention, the holder 200 includes a mounting seat 500 installed on the support frame 100, a ball head 210 is rotatably installed in the mounting seat 500, the ball head 210 is connected with a threaded rod 220, the threaded rod 220 is provided with a bearing platform 230 in a penetrating manner, and a fastening member 600 capable of tightly supporting the ball head 210 on the mounting seat 500 is installed on the mounting seat 500 through a threaded connection. It will be appreciated that the projection device is coupled to the threaded rod 220 and carried by the platform 230 such that when the fastener 600 is loosened, the ball 210 is free to rotate relative to the mount 500, and when the fastener 600 is tightened, the ball 210 is fixed relative to the mount 500 such that the ball 210 oscillates the threaded rod 220 in a plurality of directions relative to the mount 500, thereby adjusting the projection angle of the projection device mounted on the head 200.

Referring to fig. 3, in some embodiments of the present invention, the supporting frame 100 is provided with a mounting hole 140 penetrating from top to bottom, the mounting seat 500 includes a lower connecting seat 510 and an upper connecting seat 520 penetrating through the mounting hole 140, the lower connecting seat 510 is provided with a lower cavity 511, the upper connecting seat 520 is provided with an upper cavity opposite to the lower cavity 511, the upper cavity and the lower cavity 511 together define a ball cavity for the ball head 210 to rotate, the upper connecting seat 520 is provided with a yielding hole 521 communicating with the upper cavity and allowing the threaded rod 220 to pass through, and the fastener 600 is screwed to the lower connecting seat 510 and extends upward into the lower cavity 511. Through the above structure, the holder 200 is integrated on the support frame 100, so that the structure of the holder 200 is more compact, and the integrity between the holder 200 and the support frame 100 is stronger.

The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A foldable projection stand, comprising:

the device comprises a support frame (100), wherein a cloud deck (200) is arranged on the support frame (100);

the at least two supporting feet (300) are movably arranged on the supporting frame (100), can be folded on the side part of the supporting frame (100) or can be unfolded relative to the supporting frame (100) to form a placing plane.

2. The foldable projection support of claim 1, wherein:

the stand bar (300) is provided with two, and the two stand bars (300) are arranged on two sides of the support frame (100).

3. The foldable projection support of claim 2, wherein:

one end of each supporting leg (300) is rotatably connected to the supporting frame (100), the other ends of the two supporting legs (300) face to face, when the supporting legs (300) are unfolded relative to the supporting frame (100), a split ring main body is formed between the two supporting legs (300) and the supporting frame (100), the lower end face of the split ring main body forms the placing plane, and the holder (200) is located right above a region surrounded by the split ring main bodies.

4. A foldable projection support according to claim 3, wherein:

the supporting legs (300) are arc-shaped strips, the supporting frame (100) is provided with arc-shaped inner surfaces corresponding to the supporting legs (300), and the supporting legs (300) can be folded to be tightly attached to the arc-shaped inner surfaces.

5. The foldable projection support of claim 2, wherein:

the two sides of the support frame (100) are respectively provided with an accommodating space (110) which is matched with the corresponding support leg (300) in an inwards concave manner.

6. The foldable projection stand of claim 1, wherein:

the cloud platform (200) is arranged on the upper portion of the support frame (100), the support leg (300) is rotatably arranged on the lower portion of the support frame (100), and an angle locking mechanism (400) capable of stabilizing the support leg (300) is arranged between the support leg (300) and the support frame (100).

7. The foldable projection stand of claim 6, wherein:

the supporting leg (300) is rotatably connected to the supporting frame (100) through a horizontal pivot (310), and the angle locking mechanism (400) comprises a first positioning hole (410) and a second positioning hole (420) which are distributed around the circumference of the horizontal pivot (310), and a positioning part (430) which can elastically enter and exit the first positioning hole (410) or the second positioning hole (420).

8. The foldable projection stand of claim 7, wherein:

the lower part of support frame (100) is equipped with first splint (120) and second splint (130) that face to face sets up, horizontal pivot (310) wear to locate first splint (120) with second splint (130), first locating hole (410) with second locating hole (420) are seted up in first splint (120), setting element (430) are located for the activity the first spheroid of stabilizer blade (300), first spheroid with be equipped with elastic component (440) between stabilizer blade (300), elastic component (440) order about at least part first spheroid gets into in first locating hole (410) or in second locating hole (420).

9. The foldable projection stand of claim 1, wherein:

cloud platform (200) including install in mount pad (500) of support frame (100), mount pad (500) internal rotation is provided with bulb (210), bulb (210) are connected with threaded rod (220), plummer (230) are worn to be equipped with by threaded rod (220), be equipped with threaded connection on mount pad (500) can with bulb (210) top tightly in fastener (600) of mount pad (500).

10. The foldable projection support of claim 9, wherein:

support frame (100) are equipped with installation perforation (140) that run through from top to bottom, mount pad (500) are including wearing to locate lower connecting seat (510) and last connecting seat (520) of installation perforation (140), lower connecting seat (510) are equipped with lower half cavity (511), go up connecting seat (520) be equipped with lower half cavity (511) relative first cavity, first cavity with lower half cavity (511) inject the confession jointly bulb (210) pivoted ball chamber, go up connecting seat (520) be equipped with first cavity is linked together and supplies screw rod (220) pass give way hole (521), fastener (600) threaded connection in lower connecting seat (510) and upwards stretch locate within lower half cavity (511).