CN216310518U - Telescopic bracket adjusting mechanism of ground lift curtain and ground lift curtain - Google Patents

Abstract

The utility model discloses a telescopic support adjusting mechanism of a ground lifting curtain and the ground lifting curtain, wherein the telescopic support comprises an upper pipe body, a lower pipe body and a spring, the spring is arranged in the lower pipe body, the upper pipe body is rotationally connected with the lower pipe body, the adjusting mechanism is arranged on the lower pipe body, the adjusting mechanism comprises a fixed block, a sliding block, a connecting rod and an adjusting piece, two opposite sides of the lower pipe body are respectively provided with a sliding groove, the fixed block and the sliding block are both sleeved on the lower pipe body, the sliding block is positioned below the fixed block, the connecting rod is arranged in the sliding block and is connected with the spring, the adjusting piece penetrates through the fixed block and is in contact with the sliding block, the adjusting piece is used for adjusting the distance between the sliding block and the fixed block, and the sliding block drives the connecting rod to linearly move along the sliding grooves. The curtain cloth adjusting device can simply and quickly adjust the flatness of the curtain cloth, avoids wrinkles, is stable to use and avoids falling off.

Description

Telescopic bracket adjusting mechanism of ground lift curtain and ground lift curtain

Technical Field

The utility model relates to the technical field of screens, in particular to a telescopic bracket adjusting mechanism of a floor-rising screen and the floor-rising screen.

Background

The projection curtain is used in the occasions such as films, offices, home theaters, large conferences and the like and is used for displaying images and video files, the common projection curtain is used in a fixed or hanging lifting structure, the installation is complicated, the curtain with the curtain lifting structure is directly placed on the ground, and the projection effect is realized through the lifting of the curtain.

The current ground curtain lifting structure generally adopts a structure of a V-shaped support to be matched with a motor for lifting, and particularly discloses a V-shaped telescopic support structure of a projection curtain, which is disclosed in the patent number CN206819044U and comprises an upper cover, a housing, a projection curtain, a driving device and at least one pair of V-shaped telescopic supports; one end of the projection screen is fixed on the upper cover, the other end of the projection screen is accommodated in the housing, the driving device is arranged in the housing, and the projection screen is driven to stretch by the driving device and the V-shaped telescopic support frame; the V-shaped telescopic support frame comprises an upper square tube and a lower square tube, one end of the upper square tube is rotatably connected with the upper cover, one end of the lower square tube is rotatably connected with the housing, and the other end of the upper square tube is rotatably connected with the other end of the lower square tube through a hinge; the tubular motor is used for controlling the rotation of the screen cloth shaft and the V-shaped telescopic support frame, so that the projection screen cloth is unfolded or accommodated.

However, the V-shaped telescopic support frame cannot be adjusted when the curtain is wrinkled, which affects the practical use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a telescopic bracket adjusting mechanism of a ground lifting curtain, which solves the problems in the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a telescopic bracket adjustment mechanism of ground lift curtain, telescopic bracket includes upper tube body, lower body and spring, the spring setting is internal at low tube, be connected for rotating between upper tube body and the lower body, adjustment mechanism sets up under on the body, adjustment mechanism includes fixed block, sliding block, connecting rod and regulating part, the relative both sides of body respectively are provided with a spout down, the fixed block is all overlapped with the sliding block and is established under on the body, the sliding block is located the fixed block below, the connecting rod sets up in the sliding block and is connected with the spring, the regulating part passes the fixed block and contacts with the sliding block, the regulating part is used for adjusting the interval between sliding block and the fixed block, the sliding block drives the connecting rod along spout linear motion.

Preferably, the fixing block is provided with a first through hole in a penetrating manner, the fixing block is sleeved on the lower pipe body through the first through hole, four corners of the first through hole are respectively provided with a first groove, the first grooves are matched with four edges of the square pipe body, the first grooves are provided with a plurality of first threaded holes in a penetrating manner, locking screws are arranged in the first threaded holes, and the locking screws are in contact with the lower pipe body.

Preferably, two second threaded holes are arranged on the end face of one side of the fixing block in a penetrating mode, the second threaded holes are formed in two sides of the first through hole, and the adjusting piece is matched with the second threaded holes.

Preferably, what sliding block one end was run through is provided with a second through-hole, the sliding block is established on body down through the second through-hole cover, what the sliding block other end was run through is provided with a third through-hole, the second through-hole communicates with the third through-hole, the connecting rod penetrates to set up in the third through-hole and passes the second through-hole.

Preferably, the four corners of the second through hole are respectively provided with a second groove, and the second grooves are matched with the four edges of the square pipe body.

Preferably, the end face of one side of the sliding block is provided with two positioning pits, and the positioning pits are matched with the adjusting piece.

Preferably, the adjusting member is a bolt.

The utility model also provides a ground lifting curtain which comprises the telescopic bracket adjusting mechanism.

The utility model has the technical effects and advantages that:

the utility model adopts the technical scheme that the heights of the two brackets are consistent by adjusting the tension of the springs in the brackets, so that the wrinkles of the curtain are eliminated; through the matching of the fixed block and the sliding block, the use is more stable, the sliding block cannot fall off in the use process, and the whole body is more attractive; through the structure of fixed block and sliding block, can be more inseparable be connected under on the body, better make the sliding block carry out linear motion along the body down simultaneously, avoid taking place to rock the skew.

Drawings

FIG. 1 is a schematic view of the overall structure of the ground curtain of the present embodiment;

FIG. 2 is a schematic side view of the adjusting mechanism of the telescopic bracket of the present embodiment;

FIG. 3 is a front view of the adjusting mechanism of the telescopic bracket of the present embodiment;

FIG. 4 is a schematic structural view of the sliding block combined with the connecting rod in the present embodiment;

fig. 5 is a schematic structural diagram of the fixing block in the embodiment.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The terminology used herein is for the purpose of describing embodiments only and is not intended to be limiting and/or limiting of the utility model. It is to be understood that the terms "front", "back", "left", "right", "up", "down", and the like, are used in an orientation or positional relationship as shown in the drawings, or as would be conventionally found in use of the products of the present invention, or as would be conventionally understood by one skilled in the art, and are used merely for convenience in describing and simplifying the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, configuration and operation in a particular orientation, and are not to be construed as limiting the present invention.

Example 1

The utility model provides a telescopic bracket adjusting mechanism of a floor-lifting curtain and the floor-lifting curtain comprising the same as shown in fig. 1-5, wherein the telescopic bracket comprises an upper pipe body 10, a lower pipe body 20 and a spring, the spring is arranged in the lower pipe body 20, the upper pipe body 10 and the lower pipe body 20 are in rotating connection, and the rest related structures are described in patent document CN206819044U, and are not further limited herein.

In this embodiment, adjustment mechanism sets up on body 20 down, adjustment mechanism includes fixed block 100, sliding block 200, connecting rod 300 and regulating part 400, and regulating part 400 is the bolt, body 20's the relative both sides respectively are provided with a spout 21 down, fixed block 100 all overlaps with sliding block 200 and establishes on body 20 down, sliding block 200 is located fixed block 100 below, connecting rod 300 sets up in sliding block 200 and is connected with the spring, regulating part 400 passes fixed block 100 and contacts with sliding block 200, regulating part 400 is used for adjusting the interval between sliding block 200 and the fixed block 100, sliding block 200 drives connecting rod 300 along spout 21 linear motion.

Wherein, on fixed block 100, along being provided with a first through-hole 110 of its direction of height's running through, fixed block 100 establishes on body 20 down through first through-hole 110 cover, the four corners department of first through-hole 110 respectively is provided with a first recess 120 along its direction of height, first recess 120 cooperatees with four edges of body down, it is provided with two first screw holes 121 to run through the fixed block in first recess 120, be provided with locking screw 122 in the first screw hole 121, locking screw 122 contacts with body 20 down, and first recess 120 is whole to be the structure that is the semicolumn, just is located four edge positions of body down, through screw in locking screw, withstands body down, then can be with the stable fixed of fixed block on body down.

Meanwhile, two second threaded holes 130 are formed in the end face of one side of the fixed block 100 and penetrate along the height direction, the second threaded holes 130 are formed in two sides of the first through hole 110, the adjusting piece 400 is matched with the second threaded holes 130, the distance between the fixed block and the sliding block can be adjusted through rotating the adjusting piece, and then the elasticity of the spring is adjusted.

Wherein, the sliding block 200 one end is provided with a second through-hole 210 along what direction of height ran through, the sliding block 200 is established on body 20 down through second through-hole 210 cover, the sliding block 200 other end runs through along length direction and is provided with a third through-hole 220, second through-hole 210 is perpendicular and be linked together with third through-hole 220, connecting rod 300 penetrates to set up in third through-hole 220 and passes second through-hole 210, and same second through-hole 210 four corners department respectively is provided with a second recess 211, and second recess 211 is unanimous with the shape of first recess, all cooperatees with four edges of the square pipe body and corresponds.

And, be provided with two location pit 280 on one side terminal surface of sliding block 200, location pit 280 cooperatees with regulating part 400, guarantees that the screw rod end of regulating part is located the location pit, avoids taking place the sideslip and rocks, guarantees the stability of adjusting.

When the curtain is used, the fixing block is assembled on the lower tube body, the sliding block is sleeved, the sliding block is moved to the position of the spring hook part corresponding to the sliding groove, the connecting rod is inserted into the sliding block and penetrates through the spring hook part, the connecting effect is achieved, in order to ensure the stability of the connecting rod, the two ends of the connecting rod can be injected with glue or welded and fixed, the elastic force of the spring can be adjusted by rotating the adjusting piece, and then the flatness of the curtain is adjusted.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims (8)

1. The utility model provides a telescopic bracket adjustment mechanism of ground lift curtain, telescopic bracket includes upper tube body, lower body and spring, the spring sets up at internal down, be connected for rotating between upper tube body and the lower body, a serial communication port, adjustment mechanism sets up under on the body, adjustment mechanism includes fixed block, sliding block, connecting rod and regulating part, the relative both sides of body respectively are provided with a spout down, the fixed block is all overlapped with the sliding block and is established under on the body, the sliding block is located the fixed block below, the connecting rod sets up in the sliding block and is connected with the spring, the regulating part passes the fixed block and contacts with the sliding block, the regulating part is used for adjusting the interval between sliding block and the fixed block, the sliding block drives the connecting rod along spout linear motion.

2. The adjusting mechanism for the telescopic bracket of the floor curtain as claimed in claim 1, wherein a first through hole is formed in the fixing block in a penetrating manner, the fixing block is sleeved on the lower tube body through the first through hole, a first groove is formed in each of four corners of the first through hole, the first grooves are matched with four edges of the square tube body, a plurality of first threaded holes are formed in the first grooves in a penetrating manner, locking screws are arranged in the first threaded holes, and the locking screws are in contact with the lower tube body.

3. The adjusting mechanism for the telescopic bracket of the floor-rising curtain as claimed in claim 2, wherein two second threaded holes are penetratingly arranged on one side end surface of the fixing block, the second threaded holes are arranged on two sides of the first through hole, and the adjusting member is matched with the second threaded holes.

4. The adjusting mechanism for the telescopic bracket of the floor-rising curtain as claimed in claim 3, wherein one end of the sliding block is provided with a second through hole in a penetrating manner, the sliding block is sleeved on the lower tube body through the second through hole, the other end of the sliding block is provided with a third through hole in a penetrating manner, the second through hole is communicated with the third through hole, and the connecting rod penetrates through the third through hole and passes through the second through hole.

5. The telescopic bracket adjusting mechanism of the floor-rising curtain as claimed in claim 4, wherein a second groove is respectively arranged at four corners of the second through hole, and the second grooves are matched with four edges of the square tube body.

6. The adjusting mechanism for the telescopic bracket of the floor-lifting curtain as claimed in claim 5, wherein two positioning recesses are provided on one side end surface of the sliding block, and the positioning recesses are matched with the adjusting member.

7. The telescopic bracket adjusting mechanism of a floor-lifting curtain as claimed in claim 6, wherein the adjusting member is a bolt.

8. A floor screen comprising a telescoping support adjustment mechanism as claimed in any of claims 1 to 7.

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