CN216310525U - Portable folding floor-pulling curtain - Google Patents

Abstract

The present invention provides a portable folding floor screen, comprising: shell body, top cap, curtain and folding bracing piece. Wherein, the shell body is a hollow structure, an opening is arranged on the shell body, and the top cover covers the opening; this internal coiling mechanism that is equipped with of shell, the one end of curtain is connected in the coiling mechanism, and the other end of curtain is connected in the top cap. The folding support rod is movably arranged on the shell body through the sleeve joint component, and the connecting component is arranged at one end of the folding support rod. Preferably, the sleeving component comprises a base and a rotating sleeve, the base is fixedly installed in the middle of the shell body, the rotating sleeve is rotatably arranged on the base, and the folding support rod is slidably arranged in the rotating sleeve. The portable folding ground curtain can adopt a simple and reliable supporting structure to stably support the unfolded curtain, thereby saving hydraulic rods or air pressure rods, reducing the overall weight of the ground curtain, reducing the cost and prolonging the service life.

Description

Portable folding floor-pulling curtain

Technical Field

The utility model relates to the technical field of projection equipment, in particular to a portable folding floor screen.

Background

A projector screen is a tool used to assist a projector to display images, video files. The traditional projection screen is fixedly hung on a wall and generally cannot move, and compared with a suspended projection screen, a floor-pulling type projection screen (hereinafter referred to as a floor-pulling screen) is less limited by a place in use and is widely applied.

The floor-pulling curtain in the prior art can realize the expansion and the rolling of the curtain, namely when the floor-pulling curtain needs to be used, the curtain is pulled up and expanded from the shell of the floor-pulling curtain; after use, the curtain is rolled back into the housing of the floor screen. When in use, the curtain needs to be fixed after being pulled up from the shell of the floor-pulling curtain, and the floor-pulling curtain in the prior art is usually supported by additionally arranging a hydraulic rod or a pneumatic rod, but the support mode has the following defects: on one hand, the added hydraulic rod or air pressure rod, besides the support rod of the ground pulling curtain, further increases the weight of the ground pulling curtain, thereby increasing the load during transportation; on the other hand, the hydraulic rod or the pneumatic rod is easy to wear, leak or lack pressure after being used for many times, and is difficult to maintain, thereby reducing the service life of the floor screen.

Therefore, how to design a portable folding ground curtain to stably support the unfolded curtain by adopting a simple and reliable support structure, so that a hydraulic rod or a pneumatic rod is saved, the overall weight of the ground curtain is reduced, the cost is reduced, and the service life is prolonged, which is a technical problem to be solved by technical personnel in the field.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art and provide a portable folding ground curtain which can adopt a simple and reliable supporting structure to stably support the unfolded curtain, thereby saving a hydraulic rod or an air pressure rod, reducing the overall weight of the ground curtain, reducing the cost and prolonging the service life.

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

a portable, folding ground curtain, comprising: the curtain comprises a shell body, a top cover, a curtain and a folding supporting rod;

the shell body is of a hollow structure, an opening is formed in the shell body, and the top cover covers the opening; a winding device is arranged in the shell body, one end of the curtain is connected to the winding device, and the other end of the curtain is connected to the top cover;

folding bracing piece is movably located through cup jointing the subassembly on the shell body, the one end of folding bracing piece is equipped with coupling assembling.

In one embodiment, the sleeving assembly comprises a base and a rotating sleeve, the base is fixedly installed in the middle of the shell body, the rotating sleeve is rotatably arranged on the base, and the folding support rod is slidably arranged in the rotating sleeve.

In one embodiment, the base is provided with a positioning insertion hole matched with the folding support rod.

In one embodiment, the connecting assembly comprises a hook and a hook seat, the hook seat is sleeved at one end of the folding supporting rod, the hook seat is provided with an accommodating cavity, and the hook is movably arranged in the accommodating cavity.

In one embodiment, the hook is provided with a hook part and a joint part, the joint part is provided with a waist-shaped through hole, a containing cavity of the hook seat is internally provided with a limit pin, and the limit pin penetrates through the waist-shaped through hole; an arc-shaped avoiding surface is arranged on the joint part.

In one embodiment, the folding support rod is a telescopic rod structure; the folding bracing piece includes: the locking piece is arranged at the joint of the loop bar and the movable bar, and controls the connection state of the loop bar and the movable bar; the movable rod slides and is arranged in the loop bar, the loop bar passes through the sleeve joint component and the shell body is connected, and the free end of the movable rod is connected with the connecting component.

In one embodiment, the locking element comprises a locking seat and a fastening piece, the locking seat is sleeved on the sleeve rod and the movable rod, and the fastening piece is rotatably arranged on the locking seat.

In one embodiment, a fixed buckle component is arranged in the middle of the shell body, a follow-up buckle component matched with the fixed buckle component is arranged on the top cover, and the follow-up buckle component is buckled with or separated from the fixed buckle component.

In one embodiment, the fixing clip assembly includes: the unlocking device comprises a first clamping piece, a second clamping piece and an unlocking slide block, wherein the first clamping piece is arranged on one side of the shell body, the second clamping piece is arranged on the other side of the shell body, and the unlocking slide block is arranged in the first clamping piece in a sliding mode through a resetting elastic piece;

the follow-up buckle assembly comprises an outer cover and a lock locking piece, the outer cover is fixedly installed on the top cover, the lock locking piece is contained in the outer cover, and a rotatable handle is arranged on the outer cover.

In one embodiment, a locking hook is arranged on the fastening locking member, barbs which are matched with the locking hook are respectively arranged on the first fastening member and the second fastening member, and the locking hook is rotatably arranged on the fastening locking member through a torsion spring.

In conclusion, the portable folding floor curtain can adopt a simple and reliable supporting structure to stably support the unfolded curtain, thereby saving a hydraulic rod or an air pressure rod, reducing the overall weight of the floor curtain, reducing the cost and prolonging the service life.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic view of the portable folding floor screen of the present invention in an expanded state;

FIG. 2 is a schematic view of the portable folding ground curtain of the present invention in a folded configuration;

FIG. 3 is a partial schematic view of the portable folding ground curtain of FIG. 1;

FIG. 4 is a schematic diagram of a state change of the socket component shown in FIG. 3;

FIG. 5 is a schematic view of the linkage assembly shown in FIG. 3 in an expanded configuration;

FIG. 6 is an enlarged view taken at A of FIG. 2;

FIG. 7 is a schematic view of a change of state of the linkage assembly shown in FIG. 5;

FIG. 8 is an enlarged view at B of FIG. 3;

FIG. 9 is a partial schematic view of the folding support bar;

FIG. 10 is an exploded view of the fixed clip assembly and the follower clip assembly;

FIG. 11 is a partial cross-sectional view of the fixed snap assembly and the follower snap assembly;

fig. 12 is an enlarged view at C shown in fig. 11.

Detailed Description

To facilitate an understanding of the utility model, the utility model will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not represent the only embodiments.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The present invention provides a portable folding ground curtain 10, as shown in fig. 1 and 2, comprising: a housing body 100, a top cover 200, a curtain 300, and a folding support bar 400. Wherein, the housing body 100 is a hollow structure, and is provided with an opening 110 (as shown in fig. 3), and the top cover 200 covers the opening 110; a winding device (not shown) is disposed in the housing body 100, one end of the curtain 300 is connected to the winding device, and the other end of the curtain 300 is connected to the top cover 200. As shown in fig. 3, the foldable support rod 400 is movably disposed on the housing body 100 through the sleeve component 120, and one end of the foldable support rod 400 is provided with a connection component 410.

The portable folding ground curtain 10 of the present invention has two states, a folded state and an unfolded state, respectively. When not in use, the portable folding ground curtain 10 is in a folded state, as shown in fig. 2, the curtain 300 is rolled in the housing body 100, the top cover 200 covers the opening 110, and the folding support rod 400 is folded and attached to the housing body 100; when it is needed to use, the portable folding ground curtain 10 is in an unfolded state, as shown in fig. 1 and 3, the top cover 200 is pulled up, the curtain 300 is pulled out from the housing body 100 and unfolded, and then the folding support rod 400 is rotated by 90 degrees to be vertically erected, so that the folding support rod 400 supports and fixes the top cover 200, and the curtain 300 is stably unfolded.

The main structure of the portable folding ground curtain 10 of the present invention will be explained in detail as follows:

specifically, as shown in fig. 4, in the present embodiment, the socket assembly 120 includes a base 121 and a rotating sleeve 122, the base 121 is fixedly installed in the middle of the casing body 100, the rotating sleeve 122 is rotatably disposed on the base 121, and the folding supporting rod 400 is slidably disposed in the rotating sleeve 122. When the folding supporting rod 400 rotates, the rotating sleeve 122 rotates together, and the rotating sleeve 122 can only rotate 90 degrees on the base 121, so that the rotating sleeve 122 also limits the folding supporting rod 400 to only rotate 90 degrees. Preferably, the base 121 is provided with a positioning insertion hole 123 engaged with the folding support rod 400, and when the floor screen 10 is in the unfolded state, the folding support rod 400 is erected, and the folding support rod 400 can be inserted into the positioning insertion hole 123 to keep standing stably.

In this embodiment, as shown in fig. 5 and fig. 6, the connection assembly 410 includes a hook 411 and a hook holder 412, the hook holder 412 is sleeved on one end of the foldable support rod 400, the hook holder 412 is provided with an accommodating cavity 413, and the hook 411 is movably disposed in the accommodating cavity 413. Further, as shown in fig. 7, the hook 411 is provided with a hook portion 414 and a joint portion 415, the joint portion 415 is provided with a waist-shaped through hole 415a, the accommodating cavity 413 of the hook holder 412 is provided with a limit pin 416, the limit pin 416 is inserted into the waist-shaped through hole 415a, and the joint portion 415 is provided with an arc-shaped avoiding surface 417.

Note that, as shown in fig. 7, the hook 411 may be changed in connection state with the hook base 412 as needed. Specifically, when the floor screen 10 is in the opened state, the connecting assembly 410 needs to be connected to the top cover 200 to keep the curtain 300 stably unfolded, and at this time, as shown in fig. 5 and 7, the hook 411 is perpendicular to the hook seat 412, the engaging portion 415 and the hook seat 412 are mutually clamped to keep the stability of the hook 411, and the hooking portion 414 extends to the outside of the receiving cavity 413 to be connected to the top cover 200; when the floor screen 10 is folded, as shown in fig. 6 and 7, the connecting assembly 410 is folded to fit the housing body 100 along with the folding support rod 400, at this time, the hook 411 rotates 90 degrees (as shown in fig. 7) with the limit pin 416 as a center, the arc avoiding surface 417 provides a guide for the hook 411, and then the limit pin 416 is matched with the waist-shaped through hole 415a, so that the hook 411 can slide along the axial direction of the folding support rod 400, and the hook 411 is accommodated in the accommodating cavity 413, so that the connecting assembly 410 can also fit the housing body 100 after being folded.

In this embodiment, the folding supporting rod 400 is a telescopic rod structure. Specifically, as shown in fig. 8, the folding support bar 400 includes: the locking device comprises a loop bar 401, a movable bar 402 and a locking piece 420, wherein the locking piece 420 is arranged at the joint of the loop bar 401 and the movable bar 402, and the locking piece 420 controls the connection state of the loop bar 401 and the movable bar 402. The movable rod 402 is slidably disposed in the sleeve rod 401, the sleeve rod 401 is connected to the housing body 100 through the sleeve assembly 120, and the free end of the movable rod 402 is connected to the connecting assembly 410. Preferably, as shown in fig. 9, the locking element 420 includes a locking seat 421 and a fastening tab 422, the locking seat 421 is sleeved on the sleeve rod 401 and the movable rod 402, and the fastening tab 422 is rotatably disposed on the locking seat 421. When the fastening piece 422 is opened, the movable rod 402 can slide in the sleeve rod 401; however, when the fastening piece 422 approaches and presses the locking seat 421, the locking seat 421 will increase the clamping force on the loop bar 401, thereby increasing the static friction force between the loop bar 401 and the movable bar 402, and further keeping the loop bar 401 and the movable bar 402 relatively fixed.

So far, the main structure of the portable folding ground curtain 10 of the present invention has been explained.

The operation of the portable foldable floor curtain 10 will be explained with reference to the above structure, please refer to fig. 4, fig. 7 and fig. 9:

when not in use, the portable folding ground curtain 10 is in a folding state, the curtain 300 is rolled in the housing body 100, the top cover 200 covers the opening 110, and the folding support rod 400 is folded and attached to the housing body 100;

when it is desired to use, the portable, collapsible pull screen 10 is changed from the collapsed state to the expanded state. First, the top cover 200 is lifted, and the curtain 300 is pulled out and unfolded from the housing body 100; then, the folding support rod 400 is slid such that the end of the loop bar 401 moves to the rotary sleeve 122; then, the folding support rod 400 is rotated by 90 degrees to enable the folding support rod 400 to stand up, and the tail end of the sleeve rod 401 is inserted into the positioning insertion hole 123 to keep the folding support rod 400 to stand stably; then, the connection state of the hook 411 and the hook seat 412 is changed, so that the hook 411 and the hook seat 412 are perpendicular to each other, the hooking portion 414 extends to the outside of the accommodating cavity 413, and the top cover 200 is connected with the hooking portion 414, thereby stably supporting the curtain 300 by the folding supporting rod 400. During this period, the relative positions of the loop bar 401 and the movable bar 402 can be changed by controlling the locking member 420, so as to extend or shorten the folding support bar 400, and thus adjust the height of the top cover 200 and the curtain 300;

after the portable folding ground curtain 10 is used, the portable folding ground curtain 10 is reversely operated according to the above steps, so that the connecting assembly 410 and the folding supporting rod 400 can be folded again, the portable folding ground curtain 10 is changed from the opening state to the folding state, the curtain 300 is rolled in the housing body 100, and the folding supporting rod 400 is attached to the housing body 100 again.

Further, in order to stably cover the top cover 200 at the opening 110 in the folded state, in this embodiment, as shown in fig. 2, a fixing clip assembly 130 is disposed in the middle of the housing body 100, a follow-up clip assembly 210 engaged with the fixing clip assembly 130 is disposed on the top cover 200, the follow-up clip assembly 210 can be fastened to or separated from the fixing clip assembly 130, after fastening, the follow-up clip assembly 210 facilitates the fixing clip assembly 130 to be stably locked together, and needs a specific mode to be unlocked, so that stable connection between the top cover 200 and the housing body 100 is achieved.

Specifically, as shown in fig. 10 and 11, the fixing clip assembly 130 includes: the locking device comprises a first buckle 131, a second buckle 132 and an unlocking slider 133, wherein the first buckle 131 is arranged on one side of the shell body 100, the second buckle 132 is arranged on the other side of the shell body 100, and the unlocking slider 133 is arranged in the first buckle 131 in a sliding manner through a return elastic piece 134 (shown in fig. 12). The follow-up buckle assembly 210 includes an outer cover 211 and a buckling lock piece 212, the outer cover 211 is fixedly installed on the top cover 200, the buckling lock piece 212 is accommodated in the outer cover 211, and a rotatable handle 213 is disposed on the outer cover 211.

Preferably, as shown in fig. 10 and 11, the locking member 212 is provided with a locking hook 214, the first locking member 131 and the second locking member 132 are respectively provided with a barb 135 engaged with the locking hook 214, and the locking hook 214 is rotatably provided on the locking member 212 through a torsion spring 215.

In use, during the process of the floor screen 10 being folded, the top cover 200 moves toward the housing body 100, so that the follower catch assembly 210 continuously approaches and catches the fixed catch assembly 130. The specific process is as follows: the buckling locking member 212 of the follow-up buckle assembly 210 approaches to the first buckle member 131 and the second buckle member 132, and the hook 214 and the barb 135 touch and abut against each other and then overcome the elastic force of the torsion spring 215 and deflect due to the fixation of the barb 135; until the lock hook 214 is no longer abutted against the barb 135, the lock hook 214 is reset under the action of the torsion spring 215, and after the reset, the lock hook 214 and the barb 135 are mutually hooked together to realize the buckling of the follow-up buckle component 210 and the fixed buckle component 130;

when the top cover 200 is lifted, the unlocking slider 133 is pressed down to slide against the return elastic member 134. During the sliding process, the unlocking slider 133 pushes the locking hook 214 (as shown in fig. 12), so that the locking hook 214 deflects against the elastic force of the torsion spring 215, and the locking hook 214 and the barb 135 are not hooked with each other. Meanwhile, the operator can pull up the top cover 200 through the handle 213, and then pull up the follow-up buckle assembly 210, the top cover 200, and the curtain 300 together.

In addition, after being pulled up, the handle 213 of the follower snap-fit component 210 can be hung on the hooking part 414 of the hook 411, so that the top cover 200 and the folding support rod 400 are connected through the connection component 410, and the folding support rod 400 can keep the curtain 300 stably unfolded.

In summary, the portable foldable floor curtain 10 of the present invention can stably support the unfolded curtain 300 by using a simple and reliable support structure, thereby saving hydraulic or pneumatic rods, and achieving the effects of reducing the overall weight, reducing the cost and prolonging the service life.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. A portable, collapsible pull curtain, comprising: the curtain comprises a shell body, a top cover, a curtain and a folding supporting rod;

the shell body is of a hollow structure, an opening is formed in the shell body, and the top cover covers the opening; a winding device is arranged in the shell body, one end of the curtain is connected to the winding device, and the other end of the curtain is connected to the top cover;

folding bracing piece is movably located through cup jointing the subassembly on the shell body, the one end of folding bracing piece is equipped with coupling assembling.

2. The portable folding floor screen of claim 1, wherein the telescoping assembly comprises a base and a rotating sleeve, the base is fixedly mounted to the middle portion of the housing body, the rotating sleeve is rotatably disposed on the base, and the folding support bar is slidably disposed within the rotating sleeve.

3. The portable folding floor screen of claim 2, wherein the base is provided with a positioning insertion hole matched with the folding support rod.

4. The portable folding floor curtain of claim 2, wherein the connecting assembly comprises a hook and a hook seat, the hook seat is sleeved on one end of the folding support rod, the hook seat is provided with an accommodating cavity, and the hook is movably arranged in the accommodating cavity.

5. The portable folding floor curtain of claim 4, wherein the hook is provided with a hook portion and a joint portion, the joint portion is provided with a waist-shaped through hole, a containing cavity of the hook seat is provided with a limit pin, and the limit pin is arranged in the waist-shaped through hole in a penetrating manner; an arc-shaped avoiding surface is arranged on the joint part.

6. The portable folding ground curtain of claim 1, wherein said folding support rod is a telescoping rod structure; the folding bracing piece includes: the locking piece is arranged at the joint of the loop bar and the movable bar, and controls the connection state of the loop bar and the movable bar; the movable rod slides and is arranged in the loop bar, the loop bar passes through the sleeve joint component and the shell body is connected, and the free end of the movable rod is connected with the connecting component.

7. The portable folding floor screen of claim 6, wherein the locking member comprises a locking seat and a fastening piece, the locking seat is sleeved on the loop bar and the movable bar, and the fastening piece is rotatably arranged on the locking seat.

8. The portable folding ground curtain of claim 1, wherein a fixed buckle component is arranged in the middle of the housing body, a follow-up buckle component matched with the fixed buckle component is arranged on the top cover, and the follow-up buckle component is buckled with or separated from the fixed buckle component.

9. The portable folding ground curtain of claim 8, wherein said stationary snap assembly comprises: the unlocking device comprises a first clamping piece, a second clamping piece and an unlocking slide block, wherein the first clamping piece is arranged on one side of the shell body, the second clamping piece is arranged on the other side of the shell body, and the unlocking slide block is arranged in the first clamping piece in a sliding mode through a resetting elastic piece;

the follow-up buckle assembly comprises an outer cover and a lock locking piece, the outer cover is fixedly installed on the top cover, the lock locking piece is contained in the outer cover, and a rotatable handle is arranged on the outer cover.

10. The portable folding curtain of claim 9, wherein said locking latch is provided with a locking hook, said first and second locking latches are provided with barbs engaging with said locking hook, respectively, and said locking hook is rotatably provided on said locking latch through a torsion spring.

Images