CN210294799U

CN210294799U - Open-air film curtain convenient to rolling

Info

Publication number: CN210294799U
Application number: CN201921633384.5U
Authority: CN
Inventors: 张淑贤
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-04-10
Anticipated expiration: 2029-09-29

Abstract

The utility model discloses an open-air film curtain convenient for rolling, belonging to the field of film curtain, which comprises a curtain body positioned in a frame body, wherein the upper end of the curtain body is fixedly connected with a rolling shaft, the left and right inner walls of the frame body are both rotationally connected with a transmission shaft matched with the rolling shaft, the left and right ends of the rolling shaft are both fixedly connected with mortise holes, one end of the transmission shaft close to the rolling shaft is provided with a tenon matched with the mortise holes, the mortise extends into the tenon, the left end and the right end of the winding shaft are both in threaded connection with threaded sleeves, and the two threaded sleeves are respectively in threaded connection with corresponding transmission shafts, the right end of one of the transmission shafts is fixedly connected with an auxiliary gear positioned on the right side of the frame body, the right lower end of the frame body is rotatably connected with a main gear, can realize making things convenient for the staff to install and dismantle the curtain body, also can make things convenient for the staff to carry out the rolling to the curtain body simultaneously and retrieve.

Description

Open-air film curtain convenient to rolling

Technical Field

The utility model relates to a film curtain field, more specifically say, relate to an open film curtain convenient to rolling.

Background

The film is an indispensable entertainment mode for people's life in modern society, the film projection is performed by projecting the film onto a screen through a projection device, therefore, the screen is one of the indispensable projection devices, along with the improvement of the living standard of the material culture of people, the government highly pays attention to the development of the rural cultural cause, the film and television culture in the rural area is the most popular form of culture propagation for people, at present, movie theaters are arranged in Chinese cities, but the number of the movie theaters in the rural area is very small, the method is not provided for general natural villages, villagers need to go to towns to see the film, governments all over the world begin to implement cultural and people-benefiting projects with the theme of sending the culture to the country in order to meet the requirement of the cultural life of vast farmers, each village needs to regularly play content health civilizations, actively sends the obtained films to people in the future and the like, and some regions also need to show more than 12 films per year in each natural village.

Chinese patent CN 208796004U discloses a novel open-air film screen frame, which comprises a base, wherein a vertical left truss and a vertical right truss are respectively arranged on two sides of the top of the base, inclined support rods are respectively arranged at two ends of one side of the base, the support rods are respectively connected to one sides of the left truss and the right truss, a screen frame is arranged between the left truss and the right truss, hooks are evenly arranged on the inner side of the screen frame, the hooks are connected with a film screen, two crossed inclined rods are arranged on the inner side of the screen frame, a baffle is arranged at the top of the screen frame, three LED lamps are arranged below the bottom of the baffle, an appliance placing frame is arranged at the top of the base, a storage battery is arranged on the right side of the appliance placing frame, a control switch is embedded at the top of the storage battery, the utility model has the advantages of convenient use, stable structure and convenient transportation, and greatly, the potential safety hazard existing in each building process can be eliminated.

However, the film curtain of the novel outdoor film screen frame is connected through the hooks one by one, and workers need to connect one hook when installing and disassembling the film curtain, so that the installation and disassembly processes are extremely complicated, and meanwhile, the film curtain is not convenient to wind and recycle.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an open film curtain convenient to rolling, it can realize making things convenient for the staff to install and dismantle the curtain body, also can make things convenient for the staff to carry out the rolling to the curtain body simultaneously and retrieve.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

An outdoor movie curtain convenient to wind comprises a curtain body positioned in a frame body, wherein the upper end of the curtain body is fixedly connected with a winding shaft, the left inner wall and the right inner wall of the frame body are respectively and rotatably connected with a transmission shaft matched with the winding shaft, the left end and the right end of the winding shaft are respectively and fixedly connected with a mortise, one end of the transmission shaft close to the winding shaft is provided with a tenon matched with the mortise, the mortise extends into the tenon, the left end and the right end of the winding shaft are respectively and threadedly connected with a threaded sleeve, the two threaded sleeves are respectively and correspondingly and threadedly connected with transmission shafts, the right end of one of the transmission shafts is fixedly connected with an auxiliary gear positioned on the right side of the frame body, the right lower end of the frame body is rotatably connected with a main gear, the right side of the frame body is provided with a transmission chain respectively meshed with the auxiliary gear and the main gear, the utility model discloses a curtain, including support body, support body right-hand member fixedly connected with and handle joint, the plastic fixture block of support body right-hand member fixedly connected with and handle joint, curtain body lower extreme fixedly connected with counterweight rod, the internal fixedly connected with of support is located the gag lever post under the counterweight rod, and counterweight rod and gag lever post contact, a plurality of hasp areas of being connected with the gag lever post buckle of counterweight rod front end fixedly connected with, and hasp area evenly distributed in counterweight rod front end can realize making things convenient for the staff to install and dismantle the curtain body, also can make things convenient for the staff to carry out the rolling to the curtain body simultaneously and retrieve.

Further, the equal fixedly connected with in two inner walls is located the guide rail between transmission shaft and the gag lever post about the support body, both ends respectively with corresponding guide rail sliding connection about the weight lever, the guide rail can play the effect of injecing the weight lever and remove the orbit, effectively avoids the weight lever at the arbitrary swing of in-process along with the wind that reciprocates to make things convenient for the staff operation.

Further, there is the baffle guide rail upper end sliding connection, fixedly connected with compression spring between baffle and the support body, outside the staff's interim rolling baffle can effectively avoid the weight bar roll-off guide rail, the baffle can be moved about simultaneously, can not influence staff's installation and dismantlement work.

Further, be equipped with the telescopic link in the compression spring, both ends respectively with baffle and support body fixed connection about the telescopic link, can effectively avoid compression spring to take place non-working displacement deformation, effectively ensure compression spring's life.

Furthermore, the cover body is fixedly connected to the right end of the frame body, the pinion, the main gear and the transmission chain are all located in the cover body, and the cover body can effectively prevent the pinion, the main gear and the transmission chain from contacting with various kinds of garbage, so that normal use of the pinion, the main gear and the transmission chain is effectively guaranteed.

Further, the hasp area is the double-sided knot, curtain body outer end fixedly connected with detain the box that the area buckle is connected with the hasp, and the hasp area can carry out the rolling to the curtain body fixedly with mutually supporting of box, effectively avoids the curtain body of rolling to scatter.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can realize making things convenient for the staff to install and dismantle the curtain body, also can make things convenient for the staff to carry out the rolling to the curtain body simultaneously and retrieve.

(2) The equal fixedly connected with of two inner walls is located the guide rail between transmission shaft and the gag lever post about the support body, both ends respectively with corresponding guide rail sliding connection about the weight lever post, the guide rail can play the effect of injecing the weight lever and remove the orbit, effectively avoids the weight lever to reciprocate the in-process and swing wantonly along with the wind to make things convenient for staff's operation.

(3) Guide rail upper end sliding connection has the baffle, fixedly connected with compression spring between baffle and the support body, outside staff's interim rolling baffle can effectively avoid the weight lever roll-off guide rail, the baffle can be removed about simultaneously, can not influence staff's installation and dismantlement work.

(4) Be equipped with the telescopic link in the compression spring, both ends respectively with baffle and support body fixed connection about the telescopic link, can effectively avoid compression spring to take place non-working displacement deformation, effectively ensure compression spring's life.

(5) The cover body is fixedly connected with the right end of the frame body, the pinion, the main gear and the transmission chain are all located in the cover body, and the cover body can effectively prevent the pinion, the main gear and the transmission chain from contacting various wastes, so that normal use of the pinion, the main gear and the transmission chain is effectively guaranteed.

(6) The hasp area is the double-sided knot, and curtain body outer end fixedly connected with detains the box that the area buckle is connected with the hasp, and the area of hasp and the mutually supporting of box can carry out the rolling to the curtain body fixed, effectively avoids the curtain body of rolling to scatter.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure at A in FIG. 1;

FIG. 3 is a schematic view of the structure at B in FIG. 1;

fig. 4 is a schematic view of the connection structure of the weight lever and the guide rail of the present invention;

fig. 5 is a schematic structural view of the rolling device of the present invention.

The reference numbers in the figures illustrate:

the curtain comprises a curtain body 1, a frame body 2, a winding shaft 3, a transmission shaft 4, a tenon 5, a mortise 6, a thread bushing 7, an auxiliary gear 8, a main gear 9, a transmission chain 10, a rocker 11, a handle 12, a plastic clamping block 13, a counterweight rod 14, a limiting rod 15, a buckling belt 16, a guide rail 17, a baffle 18, a compression spring 19 and a cover body 20.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be 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 in specific cases to those skilled in the art.

Example 1:

referring to fig. 1, an outdoor movie curtain convenient for rolling comprises a curtain body 1 located in a frame 2, a rolling shaft 3 is fixedly connected to the upper end of the curtain body 1, the curtain body 1 is rolled on the rolling shaft 3 when not in use, and the front side of the curtain body 1 is rolled on the inner side, so as to effectively prevent the front side of the curtain body 1 from being scratched, referring to fig. 2, the left and right inner walls of the frame 2 are rotatably connected with a transmission shaft 4 matched with the rolling shaft 3, the left and right ends of the rolling shaft 3 are fixedly connected with mortise 6, one end of the transmission shaft 4 near the rolling shaft 3 is provided with a tenon 5 matched with the mortise 6, the mortise 6 extends into the tenon 5, the rolling shaft 3 can rotate together with the transmission shaft 4 due to the mutual matching between the mortise 6 and the tenon 5, the left and right ends of the rolling shaft 3 are both in threaded connection with threaded sleeves 7, and the two threaded sleeves 7 are in threaded connection with the corresponding transmission shafts 4 respectively, the thread bush 7 can connect the take-up reel 3 and the drive shaft 4 together.

Referring to fig. 1 and 3, a pinion 8 located on the right side of a frame body 2 is fixedly connected to the right end of one of the transmission shafts 4, a main gear 9 is rotatably connected to the right lower end of the frame body 2, a transmission chain 10 engaged with the pinion 8 and the main gear 9 is disposed on the right side of the frame body 2, the main gear 9 can drive the pinion 8 to rotate together through the transmission chain 10 when rotating, a rocker 11 is fixedly connected to the right end of the main gear 9, a handle 12 is rotatably connected to the lower end of the rocker 11, a plastic clamping block 13 clamped with the handle 12 is fixedly connected to the right end of the frame body 2, the plastic clamping block 13 is the prior art, and will not be described herein again, the mutual cooperation between the handle 12 and the plastic clamping block 13 can play a role of fixing the main gear 9, so that the main gear 9 does not rotate any more, referring to fig. 1, a counterweight rod 14 is fixedly connected to, and counterweight rod 14 and gag lever post 15 contact, 14 front end fixedly connected with of counterweight rod 14 a plurality of buckle area 16 of being connected with 15 buckles of gag lever post, and buckle area 16 evenly distributed in the 14 front ends of counterweight rod, buckle area 16 can fix counterweight rod 14 at gag lever post 15 upside to fix curtain body 1, can realize making things convenient for the staff to install and dismantle curtain body 1, also can make things convenient for the staff to carry out the rolling to curtain body 1 simultaneously and retrieve.

Referring to fig. 1, the left and right inner walls of the frame body 2 are fixedly connected with guide rails 17 located between the transmission shaft 4 and the limiting rod 15, the left and right ends of the weight rod 14 are slidably connected with the corresponding guide rails 17, the joint of the weight rod 14 and the guide rails 17 is shown in fig. 4, the guide rails 17 can play a role of limiting the moving track of the weight rod 14, and the weight rod 14 is effectively prevented from swinging randomly along with the wind in the up-and-down moving process, so that the operation of a worker is facilitated, referring to fig. 2, the upper end of the guide rail 17 is slidably connected with a baffle 18, the baffle 18 is located right above a sliding groove of the guide rail 17, a compression spring 19 is fixedly connected between the baffle 18 and the frame body 2, when the baffle 18 is temporarily rolled by the worker, the weight rod 14 can be effectively prevented from sliding out of the guide rail 17, meanwhile, the baffle, both ends respectively with

baffle

18 and 2 fixed connection of support body about the telescopic link, can effectively avoid compression spring 19 to take place the deformation of inoperative displacement, effectively ensure compression spring 19's life.

Referring to fig. 1, a cover body 20 is fixedly connected to the right end of the frame body 2, the pinion 8, the main gear 9 and the transmission chain 10 are all located in the cover body 20, and the cover body 20 can effectively prevent the pinion 8, the main gear 9 and the transmission chain 10 from contacting various wastes, so as to effectively ensure normal use of the pinion 8, the main gear 9 and the transmission chain 10, referring to fig. 5, the fastening belt 16 is a double-sided fastener, the outer end of the curtain body 1 is fixedly connected with a female fastener connected with the fastening belt 16 in a fastening manner, and the fastening belt 16 and the female fastener are matched with each other, so that the curtain body 1 can be rolled and fixed, and the rolled curtain body 1 is effectively prevented from being scattered.

Referring to fig. 1-3, when a worker needs to install the curtain body 1, the mortise 6 can be inserted into the corresponding tenon 5, then the thread bushing 7 is screwed, and the thread bushing 7 is simultaneously in threaded connection with the winding shaft 3 and the corresponding transmission shaft 4, so as to fix the winding shaft 3 and the transmission shaft 4 together, then the worker can separate the handle 12 from the plastic fixture block 13 and rotate the handle 12 counterclockwise 90 °, then hold the handle 12 to rock the rocker 11, the main gear 9 will rotate together with the rocker 11, and drive the auxiliary gear 8 to rotate along with the transmission chain 10, the auxiliary gear 8 drives the winding shaft 3 to rotate through the transmission shaft 4, so as to unwind the curtain body 1 wound on the winding shaft 3, after the curtain body 1 is completely unwound, the worker can connect the counterweight rod 14 and the limiting rod 15 together by the fastening belt 16, after the installation of the curtain body 1 and the projection of the film are finished, the worker can release the buckle connection of the buckle belt 16, then the rocker 11 is rotated in the opposite direction to roll the curtain body 1 onto the rolling shaft 3 again, after the rolling is finished, the handle 12 is clamped with the plastic clamping block 13, so that the rolling shaft 3 can not rotate any more, the curtain body 1 is effectively prevented from being unfolded under the action of gravity, therefore, the curtain body 1 can be temporarily rolled and protected when the curtain body 1 is not used, when a worker needs to go elsewhere to show a film and needs to disassemble the curtain body 1, after the curtain body 1 is rolled up, the thread bush 7 can be screwed to ensure that the thread bush 7 is not connected with the transmission shaft 4 by the thread, then directly take off rolling axle 3 and can retrieve curtain body 1, realize making things convenient for the staff to install and dismantle curtain body 1, also can make things convenient for the staff to retrieve curtain body 1 carries out the rolling simultaneously.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides an open-air film curtain convenient to rolling, is including being located curtain body (1) of support body (2), its characterized in that: the curtain comprises a curtain body (1), wherein a winding shaft (3) is fixedly connected to the upper end of the curtain body (1), a transmission shaft (4) matched with the winding shaft (3) is rotatably connected to the left inner wall and the right inner wall of the frame body (2), mortise holes (6) are fixedly connected to the left end and the right end of the winding shaft (3), a tenon (5) matched with the mortise holes (6) is arranged at one end, close to the winding shaft (3), of the transmission shaft (4), the mortise holes (6) extend into the tenon (5), threaded sleeves (7) are respectively and threadedly connected to the left end and the right end of the winding shaft (3), two threaded sleeves (7) are respectively and correspondingly and threadedly connected to the right end of the transmission shaft (4), one of the transmission shaft (4) is fixedly connected with an auxiliary gear (8) positioned on the right side of the frame body (2), a main gear (9) is rotatably connected to the right lower end of the frame body (2), a transmission chain (10) meshed with the auxiliary gear, master gear (9) right-hand member fixedly connected with rocker (11), rocker (11) lower extreme rotates and is connected with handle (12), support body (2) right-hand member fixedly connected with and the plastics fixture block (13) of handle (12) joint, curtain body (1) lower extreme fixedly connected with counterweight rod (14), the interior fixedly connected with of support body (2) is located gag lever post (15) under counterweight rod (14), and counterweight rod (14) and gag lever post (15) contact, counterweight rod (14) front end fixedly connected with a plurality of take area (16) with gag lever post (15) buckle connection, and take area (16) evenly distributed in counterweight rod (14) front end.

2. The outdoor movie curtain easy to roll as claimed in claim 1, wherein: the equal fixedly connected with in two inner walls is located guide rail (17) between transmission shaft (4) and gag lever post (15) about support body (2), both ends respectively with corresponding guide rail (17) sliding connection about counter weight pole (14).

3. The outdoor movie curtain easy to roll as claimed in claim 2, wherein: the upper end of the guide rail (17) is connected with a baffle (18) in a sliding mode, and a compression spring (19) is fixedly connected between the baffle (18) and the frame body (2).

4. The outdoor movie curtain easy to roll as claimed in claim 3, wherein: the telescopic rod is arranged in the compression spring (19), and the left end and the right end of the telescopic rod are fixedly connected with the baffle (18) and the frame body (2) respectively.

5. The outdoor movie curtain easy to roll as claimed in claim 1, wherein: the right end of the frame body (2) is fixedly connected with a cover body (20), and the pinion (8), the main gear (9) and the transmission chain (10) are all positioned in the cover body (20).

6. The outdoor movie curtain easy to roll as claimed in claim 1, wherein: the hasp belt (16) is a double-sided buckle, and the outer end of the curtain body (1) is fixedly connected with a female buckle connected with the hasp belt (16) in a buckling mode.