CN216079027U

CN216079027U - Suspension type projection curtain

Info

Publication number: CN216079027U
Application number: CN202122664281.9U
Authority: CN
Inventors: 容志军; 叶雪敏
Original assignee: Guangdong Aikemei Technology Co ltd
Current assignee: Guangdong Aikemei Technology Co ltd
Priority date: 2021-11-02
Filing date: 2021-11-02
Publication date: 2022-03-18
Anticipated expiration: 2031-11-02

Abstract

The utility model provides a suspended projection screen, comprising: shell, curtain mechanism and hang the mechanism, the shell is hollow structure, curtain mechanism install in the shell, it locates to hang the mechanism on the shell. Wherein the suspension mechanism comprises: the fixing base is connected with the shell, an overhead supporting part and a side supporting part are arranged on the fixing base, the movable clamping block is arranged on the side supporting part in a sliding mode, the elastic limiting assembly is arranged between the movable clamping block and the fixing base, and the elastic limiting assembly provides elastic force for the movable clamping block. The suspension type projection screen can be conveniently and quickly installed, the stability of the projection screen can be improved, and the projection screen is prevented from shaking.

Description

Suspension type projection curtain

Technical Field

The utility model relates to the technical field of projection equipment, in particular to a suspension type projection screen.

Background

The projection screen is widely used in the industries of advertisement, teaching, propaganda, literature and art and the like, is matched with a projector to perform various video demonstration, and plays a great role in information transmission. In order to facilitate the use, the projection screen can be hung and installed on occasions where projection is frequently applied, and when the screen is not used, the screen is contained in the shell; when projection is needed, the curtain is lowered from the opening of the shell.

A conventional suspended type projection screen 10 is installed on a ceiling and is installed adjacent to a wall, as shown in fig. 1, by first installing a screw 11 on the ceiling and then connecting both ends of a housing 12 to the screw 11. Such a conventional suspended type projection screen 10 has the following disadvantages: firstly, the installation steps are complicated, and the installation is not convenient and fast enough; secondly, the stability is not high after the installation, for example receive easy the rocking of wind.

Therefore, how to design a suspension type projection screen can be installed more conveniently and quickly; the stability of the projection screen can be improved, and shaking of the projection screen is avoided, 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 suspension type projection screen which can be conveniently and quickly installed and can also improve the stability of the projection screen.

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

a suspended projection screen comprising: the curtain device comprises a shell, a curtain mechanism and a suspension mechanism, wherein the shell is of a hollow structure, the curtain mechanism is arranged in the shell, and the suspension mechanism is arranged on the shell;

the suspension mechanism includes: the fixing base is connected with the shell, an overhead supporting part and a side supporting part are arranged on the fixing base, the movable clamping block is arranged on the side supporting part in a sliding mode, the elastic limiting assembly is arranged between the movable clamping block and the fixing base, and the elastic limiting assembly provides elastic force for the movable clamping block.

In one embodiment, the top supporting part of the fixed base is provided with a plug end, and the shell is provided with a locking groove matched with the plug end; the movable clamping block is provided with a clamping end, and the shell is provided with a clamping groove matched with the clamping end.

In one embodiment, the housing is provided with a horizontal groove, and the horizontal groove is communicated with the locking groove.

In one embodiment, the holding end has an arc-shaped guide surface, and the groove wall of the engaging groove is provided with an inclined guide surface opposite to the arc-shaped guide surface.

In one embodiment, the elastic limiting assembly comprises a guide screw and a supporting elastic piece, and the guide screw is arranged on the fixed base in a penetrating way and is in threaded connection with the movable clamping block; the supporting elastic piece is sleeved on the guide screw and arranged between the movable clamping block and the fixed base.

In one embodiment, the supporting elastic member is a cylindrical spring structure.

In one embodiment, a waist-shaped through hole is formed in the side supporting portion of the fixing base, and a limiting guide rod is arranged on the movable clamping block and penetrates through the waist-shaped through hole.

In one embodiment, the elastic limiting component comprises a limiting screw, and the limiting screw is arranged on the side supporting part of the fixing base in a penetrating mode.

In one embodiment, the curtain mechanism comprises: curtain, wind-up roll and motor, the wind-up roll rotates to be located inside the shell, motor drive the wind-up roll rotates, the one end of curtain with the wind-up roll is connected, the curtain winding or break away from the wind-up roll.

In one embodiment, the wind-up roll is a hollow structure, and the motor is accommodated in the wind-up roll.

In conclusion, the suspension type projection screen can be conveniently and quickly installed, the stability of the projection screen can be improved, and the suspension type projection screen is prevented from shaking.

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 structural view of a conventional suspended projection screen;

FIG. 2 is a schematic view of a suspended projection screen according to the present invention;

FIG. 3 is an exploded view of the suspended projection screen of FIG. 2;

FIG. 4 is an exploded schematic view of the suspension mechanism shown in FIG. 3;

FIG. 5 is a schematic structural view of the suspension mechanism shown in FIG. 3;

FIG. 6 is a side view of the front housing and suspension mechanism installed;

FIG. 7 is a schematic view of the mating relationship of the housing and the suspension mechanism after installation;

fig. 8 is a schematic view of the mating relationship of the housing and the suspension mechanism during installation.

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 utility model provides a suspended projection screen 20, aiming at overcoming the defects of difficult installation and poor stability of the traditional projection screen. As shown in fig. 2 and 3, the suspended projection screen 20 includes: the curtain mechanism comprises a shell 100, a curtain mechanism 200 and a hanging mechanism 300, wherein the shell 100 is of a hollow structure, the curtain mechanism 200 is installed in the shell 100, and the hanging mechanism 300 is arranged at two ends of the shell 100.

As shown in fig. 3, 4 and 5, the suspension mechanism 300 includes: a fixed base 310, a movable fixture block 320 and an elastic limit component 330. The fixed base 310 is connected with the housing 100, the fixed base 310 is provided with an overhead supporting portion 311 and a side supporting portion 312, the overhead supporting portion 311 and the side supporting portion 312 are perpendicular to each other, the movable fixture block 320 is slidably disposed on the side supporting portion 312, the elastic limiting assembly 330 is disposed between the movable fixture block 320 and the fixed base 310, and the elastic limiting assembly 330 provides elastic force for the movable fixture block 320.

In this embodiment, as shown in fig. 4 and 6, the top supporting portion 311 of the fixing base 310 is provided with a plug end 313, and the housing 100 is provided with a locking groove 101 engaged with the plug end 313. The movable latch 320 is provided with a latching end 321, and the housing 100 is provided with a latching groove 102 engaged with the latching end 321. Preferably, the housing 100 is provided with a horizontal groove 110, and the horizontal groove 110 and the locking groove 101 are communicated with each other. During installation, the insertion end 313 can enter the horizontal groove 110 and then slide into the locking groove 101, so that convenient installation is realized. The specific working principle will be explained below.

Further, as shown in fig. 6, the catching end 321 has an arc-shaped guiding surface 321a, the groove wall of the engaging groove 102 is provided with an inclined guiding surface 102a, the arc-shaped guiding surface 321a and the inclined guiding surface 102a are arranged oppositely, when the two are pressed against each other, the groove wall of the engaging groove 102 will push the movable catch 320 where the catching end 321 is located to slide, so that the movable catch 320 performs an avoiding action.

In this embodiment, as shown in fig. 4 and 5, the elastic limiting assembly 330 includes a guiding screw 331 and a supporting elastic member 332, wherein the guiding screw 331 is disposed through the fixed base 310 and is in threaded connection with the movable clamping block 320. The supporting elastic member 332 is sleeved on the guide screw 331, so that the supporting elastic member 332 can be effectively prevented from deviating. The supporting elastic member 332 is disposed between the movable latch 320 and the fixed base 310, that is, one end of the supporting elastic member 332 abuts against the movable latch 320, and the other end abuts against the fixed base 310. Preferably, the supporting elastic member 332 has a cylindrical spring structure.

Further, as shown in fig. 4, a waist-shaped through hole 314 is formed on the side supporting portion 312 of the fixing base 310, a limit guiding rod 322 is arranged on the movable fixture block 320, and the limit guiding rod 322 is inserted through the waist-shaped through hole 314. Similarly, the position-limiting guiding rod 322 may also be disposed through the movable latch 320, and is used to connect the fixed base 310 and the movable latch 320. When the movable fixture block 320 is used, the movable fixture block 320 slides to drive the limiting guide rod 322 to move together, and the limiting guide rod 322 is limited by the waist-shaped through hole 314, so that the waist-shaped through hole 314 can play a limiting and guiding role on the movable fixture block 320, and meanwhile, the movable fixture block 320 is ensured not to be separated from the fixed base 310.

The operation of the suspended projection screen 20 of the present invention will be explained with reference to the above structure:

when the suspended type projection screen 20 is installed, the suspension mechanism 300 is firstly fixed on a ceiling or a wall, and then the housing 100 containing the curtain mechanism 200 is clamped with the suspension mechanism 300 to complete the installation, wherein during the clamping, the insertion end 313 of the fixed base 310 is matched with the locking groove 101, and the clamping end 321 of the movable clamping block 320 is matched with the clamping groove 102. Specifically, the method comprises the following steps:

the movable latch 320 and the elastic stopper assembly 330 are desirably mounted on the side support 312 of the fixed base 310, and then the housing 100 is brought close to the fixed base 310, as shown in fig. 6. Specifically, first, the housing 100 approaches upward until it abuts against the overhead support 311 of the fixed base 310, as shown in fig. 7, at which time the insertion end 313 of the overhead support 311 sinks into the horizontal groove 110; then, the housing 100 is pushed towards the side supporting portion 312 of the fixed base 310, in this process, the wall of the engaging groove 102 will preferentially touch the engaging end 321 of the movable latch 320, and since the arc-shaped guiding surface 321a of the engaging end 321 is opposite to the inclined guiding surface 102a of the wall of the engaging groove 102, the movable latch 320 will be pushed downwards, so as to overcome the elastic force of the supporting elastic member 332 and make an avoiding action; as the housing 100 moves, the retaining end 321 will pass over the wall of the retaining slot 102 and be retained in the retaining slot 102; at the same time, the insertion end 313 of the overhead support 311 slides along the horizontal slot 110 into the locking slot 101, as shown in fig. 8. Thus, the inserting end 313 is held by the locking groove 101, the holding end 321 is held by the engaging groove 102, and the housing 100 is limited by the fixing base 310 in both the horizontal direction and the vertical direction, so that the housing 100 and the fixing base 310 are firmly connected.

It should be noted that, as shown in fig. 5 and 7, since the movable latch 320 receives the upward elastic force of the supporting elastic member 332, the latching end 321 is not easily separated after being accommodated in the latching groove 102, and the latching end 321 is blocked by the wall of the latching groove 102. In the case that the holding end 321 is not separated from the engaging groove 102, the inserting end 313 cannot be separated from the locking groove 101, so that the stability of the installation of the housing 100 is ensured. When the shell 100 needs to be detached, the following steps are required: first, the limiting guide rod 322 is pressed downward to move the movable latch 320 downward against the elastic force of the supporting elastic member 332, so that the latching end 321 is separated from the latching groove 102; then, the housing 100 is pulled in a direction away from the fixed base 310, at this time, the holding end 321 further separates from the engaging groove 102, and the inserting end 313 also withdraws from the locking groove 101; further, the housing 100 is moved down to disengage the insertion end 313 from the horizontal groove 110, and thus, the housing 100 is disconnected from the fixed base 310.

It should be further noted that, since the hanging mechanism 300 and the housing 100 are connected in an inserting and retaining manner, after the mounting, the inserting end 313 is received in the locking groove 101, the retaining end 321 is received in the engaging groove 102, and the housing 100 is limited by the fixing base 310 in both the horizontal direction and the vertical direction, the housing 100 will not shake after the mounting. Further, the fixing base 310 can be selected to connect the top supporting portion 311 with the ceiling by bolts or to connect the side supporting portion 312 with the wall by bolts, so that the installation of the hanging type projection screen 20 of the present invention is more convenient.

In one embodiment, as shown in fig. 5, the elastic limiting assembly 330 includes a limiting screw 333, the limiting screw 333 is inserted into the side supporting portion 312 of the fixing base 310, the limiting screw 333 is connected to the fixing base 310 by a screw, and an end of the limiting screw 333 is supported below the movable clamping block 320. The limiting screw 333 is used for limiting the lowest height of the movable clamping block 320. When the housing 100 is installed on the fixed base 310, a part of the weight of the housing 100 is transmitted to the supporting elastic member 332 through the movable fixture block 320, and the limit screw 333 assists the supporting elastic member 332 to support the movable fixture block 320. In addition, the limiting screw 333 abuts against the movable clamping block 320, and can also lock the movable clamping block 320, when disassembling, the limiting screw 333 needs to be screwed first to be away from the movable clamping block 320, so that the movable clamping block 320 can move downwards, and the clamping end 321 can be separated from the clamping groove 102.

In the present embodiment, as shown in fig. 2 and 3, the curtain mechanism 200 includes: curtain 210, wind-up roll 220 and motor 230, wind-up roll 220 rotates and locates inside shell 100, and motor 230 drives wind-up roll 220 and rotates, and the one end of curtain 210 is connected with wind-up roll 220, and along with the rotation of wind-up roll 220, curtain 210 can twine or break away from wind-up roll 220 to realize that curtain 210 rises to pack up or descend to expand. Preferably, the wind-up roll 220 is a hollow structure, and the motor 230 is accommodated in the wind-up roll 220, so that the overall size of the curtain mechanism 200 can be reduced.

In summary, the suspension type projection screen 20 of the present invention can be installed conveniently and quickly, and can also improve the stability of the projection screen to prevent the projection screen from shaking.

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

1. A suspended projection screen, comprising: the curtain device comprises a shell, a curtain mechanism and a suspension mechanism, wherein the shell is of a hollow structure, the curtain mechanism is arranged in the shell, and the suspension mechanism is arranged on the shell;

2. The suspended projection screen of claim 1, wherein the top support portion of the fixed base has a plug end, and the housing has a locking slot for engaging the plug end; the movable clamping block is provided with a clamping end, and the shell is provided with a clamping groove matched with the clamping end.

3. The suspended projection screen of claim 2, wherein the housing defines a horizontal slot that communicates with the locking slot.

4. The suspended projection screen of claim 3, wherein the retaining end has an arcuate guide surface, and the walls of the engaging groove have an inclined guide surface opposite the arcuate guide surface.

5. The suspended projection screen of claim 1, wherein the elastic limiting assembly comprises a guide screw and a supporting elastic member, the guide screw is inserted into the fixed base and is in threaded connection with the movable clamping block; the supporting elastic piece is sleeved on the guide screw and arranged between the movable clamping block and the fixed base.

6. The suspended projection screen of claim 5, wherein the supporting spring is a cylindrical spring structure.

7. The suspended projection screen of claim 5, wherein the side supporting portion of the fixed base is provided with a waist-shaped through hole, the movable fixture block is provided with a limiting guide rod, and the limiting guide rod is arranged in the waist-shaped through hole in a penetrating manner.

8. The suspended projection screen of claim 5, wherein the elastic limiting component comprises a limiting screw, and the limiting screw is arranged on the side supporting part of the fixed base in a penetrating way.

9. The suspended projection screen of claim 1, wherein the screen mechanism comprises: curtain, wind-up roll and motor, the wind-up roll rotates to be located inside the shell, motor drive the wind-up roll rotates, the one end of curtain with the wind-up roll is connected, the curtain winding or break away from the wind-up roll.

10. The suspended projection screen of claim 9, wherein the wind-up roll is hollow and the motor is housed within the wind-up roll.