Floor drawing curtain height tensioning mechanism

Abstract

The utility model discloses a floor drawing curtain height tensioning mechanism, relates to the field of curtain tensioning equipment, and provides the following scheme aiming at the problems that the surface of a curtain of an existing floor drawing curtain is uneven, wrinkles occur, and the display effect is poor during projection, the floor drawing curtain height tensioning mechanism comprises a rolling shell, a rolling cover is installed on one side of the rolling shell, and the rolling cover is installed on the other side of the rolling shell. Fixing covers are arranged at the two ends of the winding shell, a winding shaft is connected between the fixing covers, a curtain is connected to the outer side of the winding shaft in a winding mode, a stretching rod is arranged at the other end of the curtain, a stretching mechanism is arranged between the stretching rod and the winding shaft, a tensioning gear is installed at one end of the winding shaft, and a fixing corner connector is installed on one side in the winding shell. A connecting shaft is connected to the top of the fixing corner connector in a penetrating mode, a locking piece is arranged at one end of the connecting shaft, a shifting rod is connected to one side of the locking piece, and the locking piece rotates to be clamped to a tooth groove of the tensioning gear. According to the utility model, the locking sheet is shifted to be clamped with the tensioning gear to tension the curtain, so that the surface wrinkles of the curtain are eliminated, and the projection quality is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to curtain tensioning equipment technical field especially relates to a ground pull curtain height tensioning mechanism. BACKGROUND

[0002] The projection curtain is one of the most commonly used products of the projection machine peripheral equipment, is a tool for displaying images, video files, and cooperates with the projection machine to carry out various video demonstrations, and plays a great role for information dissemination. Compared with the commonly used motorized curtain, the ground pull curtain has the characteristics of mobility, convenient carrying and low price, and is widely used. The traditional ground pull curtain has the problems of uneven surface of the curtain and difficult to smooth the wrinkles during use, which makes the display effect poor during projection. Therefore, the ground pull curtain height tensioning mechanism is provided, which can tension the curtain by engaging the locking piece and the tensioning gear, eliminate the wrinkles on the surface of the curtain, and improve the projection quality. UTILITY MODEL CONTENTS

[0003] The ground pull curtain height tensioning mechanism solves the existing problems.

[0004] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0005] A ground pull curtain height tensioning mechanism, comprising a winding shell, a rotating shaft is arranged at one end of the winding shell, a winding cover is installed on one side of the rotating shaft, fixed covers are arranged at both ends of the winding shell, winding shafts are connected between the fixed covers, a curtain is wound around the outer side of the winding shaft, a stretching rod is arranged at the other end of the curtain, a stretching mechanism is arranged between the stretching rod and the winding shaft, and a locking mechanism is arranged at the end of the winding shaft for locking and fixing the winding shaft.

[0006] Preferably, the locking mechanism comprises a tensioning gear, the tensioning gear is installed at one end of the winding shaft, a fixed angle code is installed on one side of the inside of the winding shell, a connecting shaft is connected through the top of the fixed angle code, a locking piece is arranged at one end of the connecting shaft, a lever is connected on one side of the locking piece, and the locking piece is rotatably connected with the tooth groove of the tensioning gear.

[0007] Preferably, the stretching mechanism comprises a lifting motor, a base is arranged at the central position of the inside of the winding shell, the lifting motor is installed in an integral structure inside the base, a lifting rod is arranged at the top of the lifting motor, a fixed block is installed at the top end of the lifting rod, a plurality of fixed clamping grooves are formed in the top of the fixed block, and a fixed clasp is fixedly installed on one side of the stretching rod.

[0008] Preferably, the winding cover rotates around the rotating shaft, and the winding cover covers the winding shell.

[0009] Preferably, the fixed buckle is fixedly installed at the center of one side of the stretching rod, and the fixed buckle is linearly arranged on the top of the fixed block.

[0010] Preferably, clamping blocks are arranged on both sides of the inside of the winding shell, the clamping blocks are matched with the two ends of the lifting rod in size, and the clamping blocks are clamped with the lifting rod during disassembly.

[0011] Preferably, a winding buckle is arranged on the top of the fixed cover, the winding buckle is matched with the end of the stretching rod in size, a rotating groove is arranged in the inside of the fixed cover, a gear rotating shaft is arranged on one side of the tension gear, the gear rotating shaft is matched with the rotating groove in size, and the winding shaft rotates in the rotating groove.

[0012] Preferably, the locking piece rotates around the connecting shaft, and the locking piece is clamped with the tension gear.

[0013] Preferably, a fixed clamping block is arranged on the inside of the tension gear, and the fixed clamping block is matched with the winding shaft in size.

[0014] The beneficial effects of the present application are as follows:

[0015] 1. The fixed buckle is clamped with the fixed slot to fix the position of the stretching rod, so that the stretching rod moves with the lifting rod, the height of the lifting rod is controlled to adjust the stretching length of the curtain.

[0016] 2. The lifting motor and the base form an integrated lifting rod base, when the curtain is not used, the lifting rod can be disassembled, the lifting rod is clamped with the clamping block, and the lifting rod is stored for convenient carrying.

[0017] 3. The tension gear is clamped with the winding shaft through the fixed clamping block, the winding shaft rotates with the tension gear, the locking piece rotates through the dialing of the dialing rod, the locking piece is clamped with the tension gear, the curtain is tensioned, the wrinkles on the surface of the curtain are eliminated, and the projection quality is improved.

[0018] Therefore, the present application can better solve the problem that the traditional curtain is not flat and the wrinkles are difficult to smooth, and the display effect is poor during projection. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a structure schematic view of the curtain of the present application.

[0020] Figure 2 It is another angle structure schematic view of the curtain of the present application.

[0021] Figure 3 It is the inside structure schematic view of the curtain of the utility model;

[0022] Figure 4 It is the tension gear structure schematic view of the utility model;

[0023] Figure 5 It is the fixed cover structure schematic view of the utility model;

[0024] Figure 6 It is the Figure 1 The enlarged view of A in the middle.

[0025] Marked number in the drawing: 1, winding shell;2, winding cover;3, rotating shaft;4, fixed cover;5, winding shaft;6, curtain;7, stretching rod;8, base;9, lifting motor;10, lifting rod;11, fixed block;12, fixed clamping groove;13, fixed clasp;14, clamping block;15, tension gear;16, fixed clamping block;17, fixed angle code;18, locking piece;19, lever;20, connecting shaft;21, winding clasp;22, gear rotating shaft;23, rotating groove. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments.

[0027] Refer to Figures 1-5 , a curtain height tensioning mechanism, comprising a winding shell 1, the winding shell 1 is provided with a rotating shaft 3 at one end, and the rotating shaft 3 is installed with a winding cover 2 on one side, the winding cover 2 is used to cover the winding shell 1 when winding, which is convenient for carrying, the winding shell 1 is provided with a fixed cover 4 at both ends, the fixed cover 4 protects the end of the winding shell 1, and the winding shaft 5 is connected between the fixed covers 4, the curtain 6 is wound around the outer side of the winding shaft 5, the curtain 6 is used to reflect the projected light, so as to achieve the purpose of displaying images, and the curtain 6 is provided with a stretching rod 7 at the other end, the stretching rod 7 is used to stretch the curtain 6, adjust the length of the stretching of the curtain 6, the stretching mechanism is arranged between the stretching rod 7 and the winding shaft 5, the end of the winding shaft 5 is provided with a locking mechanism for locking and fixing the winding shaft 5;The locking mechanism comprises a tension gear 15, the winding shaft 5 is installed with the tension gear 15 at one end, the winding shell 1 is installed with a fixed angle code 17 on one side inside, and the connecting shaft 20 is connected through the top of the fixed angle code 17, the locking piece 18 is arranged at one end of the connecting shaft 20, and the lever 19 is connected on one side of the locking piece 18, the locking piece 18 rotates and is clamped with the gear slot of the tension gear 15, the winding cover 2 rotates around the rotating shaft 3, and the winding cover 2 covers the winding shell 1.

[0028] With reference to Figure 2 and Figure 3 , the stretching mechanism comprises a lifting motor 9, and a base 8 is arranged at the center of the inside of the winding shell 1, the lifting motor 9 is arranged in an integral structure inside the base 8, and a lifting rod 10 is arranged at the top of the lifting motor 9, the length of the lifting rod 10 is controlled by the lifting motor 9, so as to adjust the stretching length of the curtain 6, a fixed block 11 is arranged at the top end of the lifting rod 10, a plurality of fixed clamping grooves 12 are arranged at the top of the fixed block 11, a fixed clasp 13 is fixedly arranged on one side of the stretching rod 7, the fixed clasp 13 is arranged at the center of the one side of the stretching rod 7, the fixed clamping grooves 12 are linearly arranged at the top of the fixed block 11, the fixed clasp 13 is matched with the fixed clamping grooves 12 in shape and size, the fixed clasp 13 and the fixed clamping grooves 12 are clamped with each other to fix the position of the stretching rod 7, so that the stretching rod 7 moves with the lifting rod 10, clamping blocks 14 are arranged at the two sides of the inside of the winding shell 1, the clamping blocks 14 are matched with the two ends of the lifting rod 10 in shape and size, and the clamping blocks 14 and the lifting rod 10 are clamped with each other when disassembled, when the curtain is not used, the lifting rod 10 can be disassembled, the lifting rod 10 is clamped with the clamping blocks 14, and the lifting rod 10 is stored for convenient carrying.

[0029] With reference to Figure 4 , Figure 5 and Figure 6 , the winding clasp 21 is arranged at the top of the fixed cover 4, and the winding clasp 21 is matched with the end of the stretching rod 7 in shape and size, the end of the stretching rod 7 is clamped with the winding clasp 21 during winding, so as to be conveniently stored, the rotating groove 23 is arranged at the inner side of the fixed cover 4, the gear rotating shaft 22 is arranged on one side of the tension gear 15, the gear rotating shaft 22 is matched with the rotating groove 23 in shape and size, the winding shaft 5 rotates in the rotating groove 23, the locking piece 18 rotates around the connecting shaft 20, and the locking piece 18 is clamped with the tension gear 15, the push rod 19 is an L-shaped structure, the locking piece 18 is rotated by pushing the push rod 19, the locking piece 18 is clamped with the tension gear 15, the curtain 6 is tensioned, the fixed clamping block 16 is arranged at the inner side of the tension gear 15, and the fixed clamping block 16 is matched with the winding shaft 5 in shape and size, the tension gear 15 is clamped with the winding shaft 5 through the fixed clamping block 16, so that the winding shaft 5 rotates with the tension gear 15.

[0030] Working principle: first, in use, the winding cover 2 around the rotating shaft 3 is opened, the stretching rod 7 is drawn out, then the lifting rod 10 is taken off from the clamping block 14, the lifting motor 9 is installed corresponding to the position of the base 8, the height of the lifting rod 10 is adjusted according to the use scene, the fixed buckle 13 on one side of the stretching rod 7 is clamped with the fixed clamping groove 12 opened in the top fixed block 11 of the lifting rod 10, so that the stretching rod 7 is fixed, then the tension gear 15 is rotated, the push rod 19 is pushed, the locking piece 18 is clamped with the tension gear 15, the curtain 6 is stretched, the curtain 6 is tensioned, and the purpose of eliminating the wrinkles on the surface of the curtain 6 is achieved; when winding, the fixed buckle 13 is pushed, the fixed buckle 13 is disconnected with the fixed block 11, the tension gear 15 is rotated to wind the curtain 6, the both ends of the stretching rod 7 are clamped with the winding buckle 21, then the lifting motor 9 is removed, the lifting rod 10 is retracted, the lifting rod 10 is clamped with the clamping block 14, then the winding cover 2 is rotated, the winding cover 2 is wrapped with the winding shell 1, and the carrying is facilitated.

[0031] The above is only the preferred specific implementation of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A ground curtain height tensioning mechanism comprising a winding housing (1), characterized in that, The winding shell (1) is provided with a rotating shaft (2) at one end, and a winding cover (3) is installed on one side of the rotating shaft (2); the winding shell (1) is provided with a fixed cover (4) at both ends, and a winding shaft (5) is connected between the fixed covers (4); a curtain (6) is wound around the outside of the winding shaft (5), and a stretching rod (7) is arranged at the other end of the curtain (6); a stretching mechanism is arranged between the stretching rod (7) and the winding shaft (5); and a locking mechanism is arranged at the end of the winding shaft (5) to lock and fix the winding shaft (5).

2. A ground curtain height tensioning mechanism as claimed in claim 1, wherein, The locking mechanism comprises a tensioning gear (15), one end of the winding shaft (5) is provided with the tensioning gear (15), one side of the inside of the winding shell (1) is provided with a fixed angle code (17), the top of the fixed angle code (17) is penetrated and connected with a connecting shaft (20), one end of the connecting shaft (20) is provided with a locking piece (18), one side of the locking piece (18) is connected with a push rod (19), and the locking piece (18) is rotatably clamped with the tooth groove of the tensioning gear (15).

3. A ground screen height tensioning mechanism as claimed in claim 1, wherein, The stretching mechanism comprises a lifting motor (9), and a base (8) is arranged at the center position in the inside of the winding shell (1); the lifting motor (9) is in an integrated structure in the inside of the base (8); the lifting motor (9) is provided with a lifting rod (10) at the top; the lifting rod (10) is provided with a fixed block (11) at the top end; a plurality of fixed clamping grooves (12) are formed in the top of the fixed block (11); and a fixed clasp (13) is fixedly installed on one side of the stretching rod (7).

4. A ground line height tensioning mechanism according to claim 1, wherein, The winding cover (3) rotates around the rotating shaft (2), and the winding cover (3) covers the winding shell (1).

5. A ground screen height tensioning mechanism as claimed in claim 3, wherein, The fixed clasp (13) is fixedly installed at the center position on one side of the stretching rod (7), and the fixed clamping grooves (12) are linearly arranged on the top of the fixed block (11); the shape and size of the fixed clasp (13) are matched with the fixed clamping grooves (12).

6. A ground screen height tensioning mechanism as claimed in claim 3, wherein, The clamping blocks (14) are installed on both sides in the inside of the winding shell (1); the shape and size of the clamping blocks (14) are matched with the two ends of the lifting rod (10); and the clamping blocks (14) are clamped and fixed with the lifting rod (10) when disassembled.

7. A ground screen height tensioning mechanism as claimed in claim 2, wherein, The fixed cover (4) is provided with a winding buckle (21) at the top, and the shape and size of the winding buckle (21) are matched with the end of the stretching rod (7); a rotating groove (23) is formed in the inside of the fixed cover (4); a gear rotating shaft (22) is installed on one side of the tensioning gear (15); the shape and size of the gear rotating shaft (22) are matched with the rotating groove (23); and the winding shaft (5) rotates in the rotating groove (23).

8. A ground screen height tensioning mechanism as claimed in claim 2, wherein, The locking piece (18) rotates around the connecting shaft (20), and the locking piece (18) is clamped with the tensioning gear (15); the push rod (19) is an L-shaped structure.

9. A ground screen height tensioning mechanism as claimed in claim 2, wherein, The inside of the tensioning gear (15) is provided with a fixed clamping block (16), and the shape and size of the fixed clamping block (16) are matched with the winding shaft (5).

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