CN113148771B - a display scroll - Google Patents

Abstract

A display reel includes a display device and a reel, and the reel is arranged on the display device; it is characterized in that, the display device comprises a display back plate, a first cam assembly, a second cam assembly and a driving assembly, the first cam assembly, the first cam assembly, the first cam assembly, the first cam assembly Two cam assemblies and a drive assembly are located on the top of the display back panel, and the drive assembly is connected to the second cam assembly; the reel includes a pipe assembly, a transmission device and a braking device, and the transmission device and the braking device are located at both ends of the pipe assembly; the The transmission device is adapted to the drive assembly, and the braking device is adapted to the first cam assembly; compared with the prior art, the display items are driven and unfolded or stored through the rotation of the rotating shaft, and the reel also has a reel braking function, and the reel has a reel braking function. The mechanical brake structure is adopted to ensure that the reel runs or is positioned as required. A flexible transmission system is provided in the reel, which can ensure that when the reel is reeled in reversely, the tie rod can be inserted into the inlet groove of the reel and tensioned.

Description

a display scroll

technical field

The invention belongs to the technical field of reels, in particular to a display reel.

Background technique

The scroll is one of the mounting forms of Chinese painting and calligraphy, and the scroll is also the most common way of mounting Chinese paintings. The scroll is divided into straight and banner.

When wallpaper and wall covering display products need to be displayed, scroll tools can also be used to store and display wallpaper and wall covering display products.

The reel is usually used to store and display the articles that can be rolled. In the straight reel, the upper and lower ends of the article that can be rolled are provided with shafts and hanging rods, respectively, and the rolls can be rolled by rotating the shaft. For storage, the curly display of the items that can be rolled can be realized by pulling the hanging rod, and when displayed vertically, the hanging rod can increase the weight of the items that can be stretched and facilitate the retraction and storage of the items that can be stretched.

Chinese Patent No. CN210535063U discloses a display scroll for history teaching, which relates to the technical field of history teaching aids, in particular a display scroll for history teaching. The inside of the housing is fixedly connected with connecting blocks on both sides of the storage chamber, the inside of the connecting blocks is provided with a ball bearing, the connecting block is movably connected with a storage rod through the ball bearings, and one side of the storage rod is fixedly connected with a storage rod. The display main body, the lower surface of the device housing is provided with a connecting rod placement slot, the inner top wall of the connecting rod placement slot is provided with a slideway, the display body is movably connected with the device housing through the slideway, and the display body is movably connected to the device housing. A connecting rod is fixedly connected to one end of the main body away from the receiving rod.

The above-mentioned display reel can retract the exhibits by rotating the storage lever. The above-mentioned display reel has the same problem as the prior art. Since the exhibits stored in the reel need to be displayed in actual operation, it is necessary to ensure that The exhibits have good integrity, and when the reels are transported and displayed, the integrity of the exhibits depends on the stability of the reels during retraction and unwinding.

When the exhibits are offset during the display or collection process on the shaft, the offset of the exhibits will accumulate, which will cause the exhibits to be wrapped around the shaft obliquely, causing wrinkles or ruptures of the exhibits, affecting the exhibits. After the display is stored, the hanging rod will shake to a certain extent during the movement of the reel. When the hanging rod is shaking, the hanging rod will exert a pulling force on the display, affecting the integrity of the display. .

SUMMARY OF THE INVENTION

In order to overcome the above-mentioned defects in the prior art, the present invention provides a display reel with stable braking, safety and reliability, and automatic display and self-storage.

In order to achieve the above purpose, the technical solution adopted in the present invention is: a display reel, which is characterized in that it includes a display machine and a reel, oppositely arranged chains are arranged on both sides of the display machine, and both ends of the reel are connected to the oppositely arranged chains. The display machine includes a first cam assembly, a second cam assembly and a drive assembly, the first cam assembly, the second cam assembly and the drive assembly are located at the top of the display machine, and the drive assembly is connected to the second cam assembly; The reel includes A pipe assembly, a transmission device and a braking device, the transmission device and the braking device are located at both ends of the pipe assembly; the transmission device is adapted to the driving assembly, and the braking device is adapted to the first cam assembly; inside the tube assembly A flexible transmission system is provided; the pipe assembly includes a rotating shaft, an inner aluminum pipe, an outer aluminum pipe and a hanging rod arranged from the inside out, and a display item is connected between the hanging rod and the inner aluminum pipe; the hanging rod and the display item Detachable connection.

As a preferred solution of the present invention, the top of the display machine is provided with a display top plate, the first cam assembly and the second cam assembly are connected to the display top plate, and the first cam assembly includes a connected first motor and a first cam, The first cam is matched with the braking device, the second cam assembly includes a connected second motor and a second cam, the drive assembly is located on the second cam, and the drive assembly is provided with a driving gear matched with the transmission device.

As a preferred solution of the present invention, the flexible transmission system includes a flexible active member and a flexible passive member, and the flexible active member and the flexible passive member are connected by a torsion spring; the rotating shaft and the flexible active member rotate coaxially, and the flexible passive member is connected to the flexible passive member. The inner aluminum tube rotates coaxially.

As a preferred solution of the present invention, the outer aluminum tube has a polygonal structure, the outer aluminum tube is sleeved outside the inner aluminum tube, the inner aluminum tube is rotatably connected to the outer aluminum tube, and the transmission device and the braking device are embedded in the inner aluminum tube. Both ends of the outer aluminum tube, and the transmission device and the braking device are rotatably connected with the inner aluminum tube.

As a preferred solution of the present invention, the rotating shaft is located in the inner aluminum tube, and the two ends of the rotating shaft are connected with the transmission device and the braking device, the hanging rod is located outside the outer aluminum tube, and the outer aluminum tube is formed with a suitable hanging rod. Equipped with a notch, the notch size is smaller than the hanging rod size.

As a preferred solution of the present invention, the braking device is provided with a first connector, the transmission device is provided with a second connector, the first connector and the second connector are connected to both ends of the inner aluminum tube, and The inner aluminum tube, the first connecting piece and the second connecting piece rotate synchronously.

As a preferred solution of the present invention, the braking device includes a braking housing with a cavity structure opened on one side, the first connecting member is located at the opening, and the braking housing is provided with a supporting first connecting member The first cover plate of the brake housing is provided with a rotor, a brake disc and a brake push rod. The rotor rotates coaxially with the rotating shaft. The brake disc is sleeved outside the rotor. The disc is provided with inner teeth meshing with the outer teeth, a gap is formed on the brake disc, the brake push rod is located in the gap, and the brake push rod moves to adjust the opening and closing of the brake disc.

As a preferred solution of the present invention, the brake disc is provided with a ring spring arranged around the brake disc, and the brake device is provided with a pad supporting the brake disc and the ring spring, and the brake push rod extends to Outside the braking device, the braking push rod is disposed toward the first cam assembly.

As a preferred solution of the present invention, the transmission device includes a transmission housing with a cavity structure opened on one side, the second connecting member is located at the opening, and the transmission device is provided with a second cover for supporting the second connecting member A driven gear and an idler gear that mesh with each other are arranged in the transmission device, the driven gear and the rotating shaft rotate coaxially, and the idler gear part extends to the outside.

As a preferred solution of the present invention, the outer side of the end of the braking device is provided with a first fixed block and a second fixed block oppositely arranged, and a locking cavity is formed between the first fixed block and the second fixed block, and the transmission Oppositely arranged protrusions are arranged on the outer side of the end of the device.

The beneficial effect of the present invention is that, compared with the prior art, the display items are driven and unfolded or stored by the rotation of the rotating shaft, and the reel also has a reel braking function, and the reel adopts a mechanical braking structure to ensure that the reel runs or is positioned as required, There is a flexible transmission system in the reel, which can ensure that when the reel is reeled in reversely, the hanging rod can be embedded in the inlet groove of the reel and tensioned, and the reel is locked when the reel is not working, so that the reel has better stability. , At the same time the reel works stably, safely and reliably.

Description of drawings

Fig. 1 is the structural representation of the present invention;

Fig. 2 is the connection schematic diagram of the reel and the display machine;

Fig. 3 is the structural representation of the reel;

Figure 4 is a cross-sectional view of the reel;

Fig. 5 is the structural representation of the braking device;

Figure 6 is a rear view of the braking device;

Fig. 7 is the sectional view of A-A surface in Fig. 6;

Fig. 8 is the sectional view of the B-B plane in Fig. 7;

9 is a schematic structural diagram of a first fixed block and a second fixed block;

Fig. 10 is the braking schematic diagram of the braking chain;

Figure 11 is a schematic structural diagram of a brake chain link;

Figure 12 is a schematic structural diagram of a transmission;

Figure 13 is a side view of the transmission;

Figure 14 is an exploded view of the transmission;

Figure 15 is a perspective view of a transmission;

Figure 16 is a cross-sectional view of the A-A plane in Figure 13;

Figure 17 is a cross-sectional view of the B-B plane in Figure 13;

Figure 18 is a schematic diagram of the connection between the transmission device and the transmission chain link;

Figure 19 is a structural schematic diagram of a hanging rod;

Figure 20 is a schematic diagram of the locking of the hanging rod;

Figure 21 is a schematic diagram of the loosening of the hanging rod;

Figure 22 is a schematic structural diagram of an outer aluminum tube;

Fig. 23 is the structural representation of inner aluminum tube;

Figure 24 is a schematic structural diagram of a flexible transmission system;

Figure 25 is a side view of the flexible transmission system;

Figure 26 is a schematic structural diagram of a torsion spring;

Figure 27 is a schematic structural diagram of a flexible passive component;

Figure 28 is a front view of a flexible passive member;

Figure 29 is a side view of a flexible passive member;

Reference numerals in the figure: display machine 1, first motor 1-2, first cam 1-3, second motor 1-4, second cam 1-5, drive assembly 1-6, driving gear 1-7, Tension spring 1-8, display top plate 1-9, brake chain link 1-10, transmission chain link 1-11, reel 2, brake device 3, first connecting piece 3-1, first cover plate 3-2 , the first guide plate 3-3, the first sliding bearing 3-4, the rotor 3-5, the brake disc 3-6, the brake push rod 3-7, the ring spring 3-8, the pad 3-9, the system Moving housing 3-14, transmission 4, second connecting piece 4-1, support piece 4-2, second guide piece 4-3, driven gear 4-4, idler 4-5, second sliding bearing 4-6, second cover plate 4-7, transmission housing 4-8, protrusion 4-9, hanging rod 5, back rod 5-1, back plate 5-2, bottom plate 5-3, pull plate 5 -4, screw slot 5-5, locking rod 5-6, screw hole 5-7, self-tapping screw 5-8, cover 5-9, flexible transmission system 6, flexible active part 6-1, flexible passive Part 6-2, first pin 6-3, second pin 6-4, torsion spring 6-5, cavity segment 6-6, connecting groove 6-7, notch 6-8, groove 6-9 , with section 6-10, display product 8, pipe assembly 9, outer aluminum tube 9-1, inner aluminum tube 9-2, reinforcing rib 9-3, bending structure 9-4, rotating shaft 9-5, first fixed Block 10 , second fixed block 11 , button 12 , spring sheet 13 .

Detailed ways

The embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in Fig. 1-29, a display reel includes a display machine 1 and a reel 2, the reel 2 is arranged on the display machine 1, oppositely arranged chains are arranged on both sides of the display machine 1, and the two ends of the reel 2 are connected to the oppositely arranged On the chain, the number of reels 2 on the chain can be set according to actual needs, and all reels 2 are set horizontally; the display machine 1 includes a first cam assembly, a second cam assembly and a driving assembly Two cam assemblies and drive assemblies 1-6 are located on the top of the display machine 1, and the drive assemblies 1-6 are connected to the second cam assembly; the reel 2 includes a pipe assembly 9, a transmission device 4 and a braking device 3, and the transmission device 4 and the braking device The device 3 is located at both ends of the pipe assembly 9; the transmission device 4 is adapted to the driving assemblies 1-6, and the braking device 3 is adapted to the first cam assembly; the pipe assembly 9 is provided with a flexible transmission system 6; the pipe assembly 9 includes A rotating shaft 9-5, an inner aluminum tube 9-2, an outer aluminum tube 9-1 and a hanging rod 5 are arranged from the inside to the outside. A display 8 is connected between the hanging rod 5 and the inner aluminum tube 9-2, and the hanging rod 5 Detachable connection to display 8.

The chain includes a braking chain and a transmission chain arranged oppositely, and the braking chain is composed of a plurality of braking links 1-10. Similarly, the transmission chain is composed of a plurality of transmission links 1-11, and the braking chain is composed of 1-10. Connected to the braking device 3 , the transmission links 1-11 are connected to the transmission device 4 .

The top of the display machine 1 is provided with a display top plate 1-9, the first cam assembly and the second cam assembly are connected to the display top plate 1-9, and the first cam assembly includes a connected first motor 1-2 and a first cam 1- 3. The first cam 1-3 is adapted to the braking device 3, the second cam assembly includes the connected second motor 1-4 and the second cam 1-5, and the driving assembly 1-6 is located in the second cam 1- 5, the driving assemblies 1-6 are provided with driving gears 1-7 which are matched with the transmission device 4.

The first cam assembly and the second cam assembly are fixedly connected to the lower surface of the display top plate 1-9 by screws, and the first cam assembly, the second cam assembly and the reel 2 are all located under the display top plate 1-9. The first cam assembly . The second cam assembly is located above the reel 2 .

The display machine 1 is provided with a braking chain and a transmission chain that are adapted to the reel 2, the end of the reel 2 provided with a braking device 3 is clamped with the braking chain links 1-10, and the reel 2 is provided with a transmission device 4. The ends are plugged with the transmission chain links 1-11, and under the action of the transmission device 4 and the braking device 3, both ends of the reel 2 are connected with the braking chain and the transmission chain, so that the reel 2 is stably arranged on the chain, The outer side of the end of the braking device 3 is provided with a first fixed block 10, a second fixed block 11 and a button 12 that are oppositely arranged. A locking cavity is formed between the first fixed block 10 and the second fixed block 11. There are oppositely arranged protrusions 4-9 on the outside of the part.

The first fixed block 10 and the second fixed block 11 are located on the transmission device 4 , the first fixed block 10 and the second fixed block 11 are bent structures, and a gap is formed between the first fixed block 10 and the second fixed block 11 , and a gap is formed between the first fixing block 10 and the surface of the braking device 3 , and similarly, a gap is formed between the second fixing block 11 and the surface of the braking device 3 .

The button 12 is located between the first fixed block 10 and the second fixed block 11, the brake chain links 1-10 are elastically connected to the braking device 3, an elastic rod is arranged between the button 12 and the braking device 3, and the elastic rod is A spring plate 13 is provided, and a groove matching the button 12 is formed on the braking device 3. When the braking device 3 is close to the braking chain link 1-10, the button 12 is pressed to make the braking chain link 1-10 Slide into the locking cavity between the first fixed block 10 and the second fixed block 11, release the button 12, and reset the elastic rod under the action of the spring plate 13, so that the elastic rod blocks the brake chain link 1-10, so that the braking chain link 1-10 is located in the locking cavity between the first fixing block 10 and the second fixing block 11, so as to realize the connection between the chain and the braking device 3.

When it is necessary to disengage the chain from the braking device 3, press the button 12, so that the button 12 is pressed into the groove on the braking device 3, and the braking chain links 1-10 are slid out of the first fixed block 10 and the first fixed block 10 and the first fixed block 10. The locking cavity between the two fixing blocks 11 makes the braking chain links 1-10 disengage from the braking device 3, so that the braking device 3 is disengaged from the chain.

The outer side of the end of the transmission device 4 is provided with a corresponding convex block 4-9, the convex block 4-9 is connected with the transmission chain link 1-11 by means of insertion, and the transmission chain link 1-11 is partially inserted into the convex block. Inside blocks 4-9.

When the reel 2 is placed on the display machine 1, both ends of the reel 2 are connected with the brake chain link 1-10 and the transmission chain link 1-11, and the movement of the brake chain link 1-10 and the transmission chain link 1-11 mobilizes the reel The movement of 2, so that different reels 2 can be moved to the desired display position through the movement of the brake link 1-10 and the drive link 1-11, the brake link 1-10 and the drive link 1-11 Always keep running synchronously, a tension spring 1-8 is connected between the drive assembly 1-6 and the display top plate 1-9, a rotating shaft is provided between the second cam 1-5 and the drive assembly 1-6, and the rotating shaft is inserted into the display top plate 1-9. In the drive assembly 1-6, during the rotation of the second cam 1-5, the rotating shaft rotates synchronously with the second cam 1-5, and the rotation of the rotating shaft drives the movement of the drive assembly 1-6, while the tension spring 1- Under the action of 8, the drive assemblies 1-6 do not rotate.

The flexible transmission system 6 includes a flexible active member 6-1 and a flexible passive member 6-2. The flexible active member 6-1 and the flexible passive member 6-2 are connected by a torsion spring 6-5; the rotating shaft 9-5 is connected to the flexible active member 6-1 rotates coaxially, and the flexible passive member 6-2 rotates coaxially with the inner aluminum tube 9-2.

The flexible driving member 6-1 rotates with the rotation of the rotating shaft 9-5. During the rotation of the flexible driving member 6-1, it drives the rotation of the torsion spring 6-5, so that the torsion spring 6-5 generates elastic force. After the elastic force of the spring 6-5 is transmitted to the flexible passive member 6-2, it drives the rotation of the flexible passive member 6-2, and the rotation of the flexible passive member 6-2 simultaneously drives the rotation of the inner aluminum tube 9-2. The rotation of 9-2 realizes the retraction of the exhibits.

The rotating shaft 9-5 is provided with a first pin 6-3 and a second pin 6-4 arranged along the radial direction of the rotating shaft. The first pin 6-3 is arranged through the flexible active member 6-1, and the flexible passive member 6-2 is located between the first pin 6-3 and the second pin 6-4, the first pin 6-3 and the second pin 6-4 are located at both ends of the flexible driving member 6-1, and the second pin The shaft 6-4 abuts against the end of the flexible passive member 6-2.

A through hole is formed on the rotating shaft 9-5 that is adapted to the first pin shaft 6-3 and the second pin shaft 6-4, and the first pin shaft 6-3 and the second pin shaft 6-4 are inserted into the rotating shaft 9 In -5, the first pin 6-3 and the second pin 6-4 are arranged along the radial direction of the rotating shaft 9-5, and the first pin 6-3 passes through the flexible driving member 6-1, and the flexible One end of the active member 6-1 is positioned under the action of the first pin shaft 6-3, so that the flexible active member 6-1 has better stability during rotation.

The flexible passive member 6-2 includes a connected matching section 6-10 and a cavity section 6-6, the matching section 6-10 is in clearance fit with the rotating shaft 9-5, and the cavity section 6-6 is connected with the flexible active member 6-1. A cavity is formed therebetween, the torsion spring 6-5 is located in the cavity formed by the cavity section 6-6 and the flexible driving element 6-1, and the matching section 6-10 and the cavity section 6-6 are integrally formed.

The cavity segment 6-6 is formed with a connecting groove 6-7 that is adapted to the torsion spring 6-5. The connecting groove 6-7 includes a horizontal groove moving along the axial direction of the cavity segment 6-6 and a horizontal groove along the cavity segment 6-6. 6-6 Vertical grooves arranged in the radial direction, the horizontal grooves communicate with the vertical grooves, and the horizontal grooves are arranged toward the matching section 6-10.

A reinforcing rib 9-3 and a bending structure 9-4 are formed on the inner wall of the inner aluminum tube 9-2, and the flexible passive member 4 is formed with a groove 6-9 that is adapted to the reinforcing rib 9-3, and the flexible passive member 4 is formed with a gap 6-8 adapted to the bending structure 9-4, the outer surface of the bending structure 9-4 is used to paste the end of the display 8, the inner aluminum tube 9-2 and the flexible passive part 4 Synchronized rotation.

When the rotating shaft 9-5 rotates at a certain angle, the flexible driving member 6-1 also rotates synchronously with the rotating shaft 9-5. After the flexible driving member 6-1 rotates at a certain angle, and the rotation of the flexible driving member 6-1 When the amount is within the acceptable range of the elastic force of the torsion spring 6-5, the flexible follower 4 will not rotate at this time. When the rotating shaft 9-5 continues to rotate, wait until the rotation angle of the flexible driving member 6-1 exceeds the torsion spring 6-5. When the limit angle that can be endured, the flexible follower 4 will rotate along with it, thereby driving the rotation of the inner aluminum tube 9-2, so as to realize the retraction and storage of the display product 8.

When the rotating shaft 9-5 stops rotating (braking), the torsion spring 6-5 transmits torsion force to the flexible follower 4, and the direction of the torsion force is opposite to the direction before the rotating shaft 9-5 stops rotating. When retracting the display product 8, when the hanging rod 5 at the bottom of the display product 8 touches the device housing, the rotating shaft 9-5 continues to rotate at a certain angle, and then brakes. At this time, the torsion spring 6-5 will give a -5 The torque in the opposite direction of rotation makes the hanging rod 5 firmly pulled and fixed on the outer aluminum tube 9-1.

The outer aluminum tube 9-1 is a polygonal structure, the outer aluminum tube 9-1 is sleeved outside the inner aluminum tube 9-2, and the inner aluminum tube 9-2 is rotatably connected to the outer aluminum tube 9-1. The transmission device 4 and the brake The device 3 is embedded in the two ends of the outer aluminum tube 9-1, and the transmission device 4 and the braking device 3 are rotatably connected with the inner aluminum tube 9-2.

And the outer aluminum tube 9-1 is formed with a first protrusion, a second protrusion and a third protrusion, the notch and the second protrusion are located between the first protrusion and the third protrusion, and the notch and the third protrusion are formed. The two protrusions are disposed opposite to each other, and the first protrusion, the second protrusion and the third protrusion are all disposed toward the center of the outer aluminum tube 1 .

The outer aluminum tube 9-1 is a regular 15-sided shape, the first protrusion, the second protrusion and the third protrusion are all formed at the center of the side, and the outer aluminum tube 9-1 is an odd-numbered regular polygon, so that the The arrangement of the first protrusion, the second protrusion and the third protrusion is not opposite in the case of equal distance, so that the first protrusion, the second protrusion and the third protrusion will not be subjected to the same direction and opposite force, The deformation of the outer aluminum tube 9-1 is reduced by the force in the same direction.

The rotating shaft 9-5 is located in the inner aluminum tube 9-2, and both ends of the rotating shaft 9-5 are connected with the transmission device 4 and the braking device 3, the hanging rod 5 is located outside the outer aluminum tube 9-1, and the outer aluminum tube 9-1 A notch is formed thereon that is adapted to the hanging rod 5 , and the size of the notch is smaller than the size of the hanging rod 5 .

The braking device 3 is provided with a first connecting piece 3-1, the transmission device 4 is provided with a second connecting piece 4-1, the first connecting piece 3-1 and the second connecting piece 4-1 are connected to the rotating shaft 9-5 Both ends, and the rotating shaft 9-5, the first connecting piece 3-1 and the second connecting piece 4-1 rotate synchronously.

The braking device 3 includes a braking housing 3-14 with a cavity structure opened on one side, the first connecting member 3-1 is located at the opening, and the braking housing 3-14 is provided with a supporting first connecting member 3 The first cover plate 3-2 of -1, the brake device 3 is provided with a rotor 3-5, a brake disc 3-6 and a brake push rod 3-7, and the rotor 3-5 rotates coaxially with the rotating shaft 9-5 , the brake disc 3-6 is sleeved outside the rotor 3-5, the outer ring of the rotor 3-5 is formed with external teeth, and the brake disc 3-6 is provided with internal teeth meshing with the external teeth. -6 is formed with a notch, the notch formed on the outer ring of the brake disc 3-6 is a conical structure, and the size of the notch gradually decreases towards the center of the brake disc 3-6, and the brake push rod 3-7 is always located in the At the notch, the brake push rod 3-7 is also a suitable conical structure, the brake push rod 3-7 is located in the notch, and the brake push rod 3-7 moves to adjust the opening and closing of the brake disc 3-6.

The brake disc 3-6 is provided with an annular spring 3-8 arranged around the brake disc 3-6, and the brake device 3 is provided with a pad 3-8 supporting the brake disc 3-6 and the annular spring 3-8. 9. The brake push rod 3-7 extends to the outside of the braking device 3, and the brake push rod 3-7 is arranged toward the first cam assembly.

The pad 3-9 is located at the bottom of the ring spring 3-8 and the brake disc 3-6. Under the action of the pad 3-9, the ring spring 3-8 and the brake disc 3-6 are supported, and the brake pushes The rod 3-7 is always located at the opening of the brake disc 3-6, and the rotation of the brake disc 3-6 is prevented under the action of the brake push rod 3-7.

A first sliding bearing 3-4 is sleeved on the rotating shaft 9-5, the two ends of the first sliding bearing 3-4 are respectively in contact with the first connecting piece 3-1 and the rotor 3-5, and the first sliding bearing 3-4 is located in the first sliding bearing 3-4. In the through hole in the middle of the cover plate 3-2, under the action of the first sliding bearing 3-4, the rotating shaft 9-5 has better stability during the rotation.

The outer wall of the braking device 3 is provided with a first guide piece 3-3, the first guide piece 3-3 is arranged toward the first connecting piece 3-1, and the first guide piece 3-3 is located on the surface of the first cover plate 3-2 , the first guide piece 3-3 and the braking device 3 are detachably connected by screws, and the first guide piece 3-3 can also limit the displayed items to prevent the displayed items from shifting.

During use, the brake push rod 3-7 is connected to a motor, and the motor pushes the brake push rod 3-7 to move toward the center of the brake disc 3-6, and the triangular structure of the brake push rod 3-7 pushes the brake disc 3-6 is propped open, and the rotor 3-5, which was locked by the brake disc 3-6, can rotate freely. When the motor is far away from the brake push rod 3-7, the brake disc 3-6 is locked by the ring spring 3-7. 8 Under the action of the elastic force, the rotor 3-5 is locked, and the brake push rod 3-7 is also pushed back to the original position, thereby braking the first connecting piece 3-1 and the rotor 3-5.

The transmission device 4 includes a transmission housing 4-8 with a cavity structure opened on one side, the second connecting piece 4-1 is located at the opening, and the transmission device 4 is provided with a second cover for supporting the second connecting piece 4-1 Plate 4-7, the second cover plate 4-7 is fixedly connected to the transmission housing 4-8 by screws, the end of the second connecting piece 4-1 is formed with a support piece 4-2, and the second cover plate 4-7 A sealed cavity structure is formed with the transmission housing 4-8. The transmission housing 4-8 is provided with a meshing driven gear 4-4 and an idler 4-5. The driven gear 4-4 and the rotating shaft 9-5 Coaxial rotation, the idler gear 4-5 partially extends to the outside, the driven gear 4-4 and the idler gear 4-5 are located in the sealed cavity structure formed by the second cover plate 4-7 and the transmission housing 4-8 .

The second cover plate 4-7 is formed with a groove matching with the support piece 4-2, the support piece 4-2 and the second connecting piece 4-1 are integrally formed, and the second connecting piece 4-1 is integrated with the second connecting piece 4-1. The cover plate 4-7 is rotatably connected, the size of the support piece 4-2 is consistent with the size of the groove formed by the second cover plate 4-7, and the second cover plate 4-7 and the transmission housing 4-8 are connected by screws Fixed connection, the transmission housing 4-8 is formed with a screw seat adapted to the screw, the number of screws between the second cover 4-7 and the transmission housing 4-8 is set according to actual needs, at least two There are two oppositely arranged screws, and the screw seat is formed on the inner wall of the transmission housing 4-8. Under the action of the screws, the second cover plate 4-7 and the transmission device 4 form a sealed cavity structure, and the driven gear 4-4 is located in the within the sealed cavity structure.

A second sliding bearing 4-6 is sleeved on the rotating shaft 9-5, and both ends of the second sliding bearing 4-6 are respectively abutted against the support seat and the driven gear 4-4. During the rotation of the driven gear 4-4, The second sliding bearing 4-6 can well support the driven gear 4-4, and the support seat and the driven gear 4-4 can position and support the second sliding bearing 4-6.

The transmission device 4 is provided with a support shaft that is sleeved with the idler gear 4-5, and the support shaft is provided with a deep groove ball bearing that matches the idler gear 4-5. The deep groove ball bearing is used to support the idler gear 4-5 in the Stability during rotation.

The outer wall of the transmission device 4 is provided with a second guide piece 4-3, the second guide piece 4-3 is arranged toward the second connecting piece 4-1, and the second guide piece 4-3 is located on the surface of the support piece 4-2, and the second guide piece 4-3 is located on the surface of the support piece 4-2. The guide piece 4-3 and the transmission device 4 are detachably connected by screws, and the second guide piece 4-3 can also limit the displayed items to prevent the displayed items from shifting.

The hanging rod 5 includes a matching back rod 5-1 and a locking rod 5-6. The middle of the back rod 5-1 and the locking rod 5-6 forms a cavity structure; the back rod 5-1 A plurality of screw grooves 5-5 are formed on the upper part, and the plurality of screw grooves 5-5 are arranged along the length direction of the back rod 5-1, and the screw grooves 5-5 are located in the enclosed cavity structure; the locking rod The member 5-6 is formed with a screw hole 5-7 that matches the screw groove 5-5, and a self-tapping screw 5-8 is connected between the back rod member 5-1 and the locking rod member 5-6; The top of the piece 5-1 and the locking rod piece 5-6 is formed with a matching saw tooth structure.

The locking rod 5-6 is formed with screw holes 5-7 which are adapted to the screw grooves 5-5. The number of the screw grooves 5-5 corresponds to the number of the screw holes 5-7. The screw grooves 5-5 and The number of screw holes 5-7 is set according to actual needs, and the distance between adjacent screw grooves 5-5 is equal. Compression between the back lever 5-1 and the locking lever 5-1.

The back rod 5-1 includes a back plate 5-2, a bottom plate 5-3 and a pull plate 5-4. The pull plate 5-4 is located on the top of the back plate 5-2, the bottom plate 5-3 is located at the bottom of the back plate 5-2, and the screws The groove 5-5 is located in the middle of the back plate 5-2, the sawtooth structure is located at the connection between the pull plate 5-4 and the back plate 5-2, the back plate 5-2, the bottom plate 5-3 and the pull plate 5-4 are connected in sequence, and the back plate The lengths of the plate 5-2, the bottom plate 5-3 and the pull plate 5-4 are the same.

The back plate 5-2, the bottom plate 5-3 and the pull plate 5-4 form a semi-enclosed structure, the bottom plate 5-3 and the back plate 5-2 are bent and arranged, and one side of the bottom plate 5-3 is connected with the back plate 5-2 The other side of the bottom plate 5-3 is bent upward, and the angle between the bottom plate 5-3 and the back plate 5-2 is less than 90°. Under the action of the bottom plate 5-3, the bottom pocket structure of the back rod 5-1 is formed.

The two ends of the back rod 5-1 and the locking rod 5-6 are provided with matching covers, and the cover 5-9 is partially embedded in the cavity structure, and under the action of the cover 5-9, the back The lateral movement of the rod 5-1 and the locking rod 5-6 is used to limit and seal.

During actual use, put the fabric 6 on the back rod 5-1, insert the slot of the locking rod 5-6 into the upward curved section of the back plate 5-2, and then put the 6 Push in the direction of the back lever 5-1, so that the top of the locking lever 5-6 engages with the serrated structure of the back lever 5-1, and at this time the top of the locking lever 5-6 and the back The display product 8 is tightened at the sawtooth structure of the rod member 5-1, and the self-tapping screw 5-8 is screwed through the locking rod member 5-6 into the screw groove 5-5 of the back rod member 5-1. When the self-tapping screws 5-8 are in contact with the display product 8, the display product 8 is fixed.

When the drive assembly 1-6 is not working, it will be driven by the second cam 1-5 driven by the second cam assembly to a position away from the reel 2. When the drive assembly 1-6 is ready to work, the second cam assembly starts to drive the first cam assembly. The second cam 1-5 rotates in the direction close to the reel 2. At this time, the elastic force of the tension spring 1-8 will move the driving assembly 1-6 away from the reel 2, and the second cam assembly will start when it is close to the driving assembly 1-6. Rotate slowly to get ready for engagement.

When the driving assembly 1-6 completes the approaching action, the first cam assembly drives the first cam 1-3 to rotate in the direction close to the reel 2, pushes the brake push rod 3-7 in the braking device 3, and pushes the brake disc 3 -6 is opened, the rotor 3-5 and the flexible transmission system 6 connected with it can be freely driven, and the self-locking of the reel 2 is released.

The drive assembly 1-6 starts to rotate forward, drives the driven gear 3-3 in the transmission device 4, transmits the power to the inner aluminum tube 9-2 through the flexible transmission system 6, and drives the display product 8 to extend.

After the display is completed, the driving components 1-6 start to reverse, drive the driven gear 3-3 in the transmission device 4, and transmit the power to the inner aluminum tube 9-2 through the flexible transmission system 6 to drive the display product 8 to retract.

After the retraction is completed, the first cam assembly drives the first cam 1-3 to rotate away from the reel 2, away from the brake push rod 3-7 in the brake device 3, and the brake disc 3-6 is in the ring spring 3- Under the action of 8, the rotor 3-5 is locked, and the brake push rod 3-7 is also pushed out. At this time, the rotating shaft 9-2 in the flexible transmission system 6 cannot rotate.

Then the second cam assembly rotates, driving the second cams 1-5 to a position away from the reel 2.

The above description of the disclosed embodiments enables any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention; thus , the present invention is not to be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Although the reference numerals in the figures are used more in this paper: the display machine 1, the first motor 1-2, the first cam 1-3, the second motor 1-4, the second cam 1-5, the driving assembly 1-6 , drive gear 1-7, tension spring 1-8, display top plate 1-9, brake chain link 1-10, reel 2, brake device 3, first connecting piece 3-1, first cover plate 3-2 , the first guide plate 3-3, the first sliding bearing 3-4, the rotor 3-5, the brake disc 3-6, the brake push rod 3-7, the ring spring 3-8, the pad 3-9, the system Moving housing 3-14, transmission 4, second connecting piece 4-1, support piece 4-2, second guide piece 4-3, driven gear 4-4, idler 4-5, second sliding bearing 4-6, the second cover plate 4-7, the transmission housing 4-8, the protrusion 4-9, the hanging rod 5, the back rod 5-1, the back plate 5-2, the bottom plate 5-3, the pull plate 5 -4, screw slot 5-5, locking rod 5-6, screw hole 5-7, self-tapping screw 5-8, cover 5-9, flexible transmission system 6, flexible active part 6-1, flexible passive Piece 6-2, first pin 6-3, second pin 6-4, torsion spring 6-5, cavity segment 6-6, connecting groove 6-7, notch 6-8, groove 6-9 , with section 6-10, display product 8, pipe assembly 9, outer aluminum tube 9-1, inner aluminum tube 9-2, reinforcing rib 9-3, bending structure 9-4, rotating shaft 9-5, first fixed Block 10, second fixing block 11, button 12, spring plate 13 and other terms, but do not exclude the possibility of using other terms; these terms are used only to describe and explain the essence of the present invention more conveniently; they are interpreted as Any additional limitations are contrary to the spirit of the invention.

Claims (6)

1. A display reel, characterized in that it comprises a display machine (1) and a reel (2), the two sides of the display machine (1) are provided with oppositely arranged chains, and the two ends of the reel (2) are connected to the oppositely arranged chains ; The display machine (1) comprises a first cam assembly, a second cam assembly and a drive assembly (1-6), and the first cam assembly, the second cam assembly and the drive assembly (1-6) are located in the display machine (1) At the top, the drive assembly (1-6) is connected to the second cam assembly; the reel (2) includes a pipe assembly (9), a transmission device (4) and a braking device (3), the transmission device (4) and the brake device (3). The driving device (3) is located at both ends of the pipe assembly (9); the transmission device (4) is adapted to the driving assembly (1-6), and the braking device (3) is adapted to the first cam assembly; the A flexible transmission system (6) is arranged in the pipe material assembly (9); the pipe material assembly (9) comprises a rotating shaft (9-5), an inner aluminum pipe (9-2), and an outer aluminum pipe (9) arranged from the inside to the outside -1) and the tie rod (5), a display item (8) is connected between the tie rod (5) and the inner aluminum tube (9-2); the tie rod (5) and the display item (8) are detachably connected; The top of the display machine (1) is provided with a display top plate (1-9), a first cam assembly and a second cam assembly are connected to the display top plate (1-9), and the first cam assembly includes a connected first motor (1 -2) and the first cam (1-3), the first cam (1-3) is adapted to the braking device (3), and the second cam assembly includes the connected second motor (1-4) and the first Two cams (1-5), the drive assembly (1-6) is located on the second cam (1-5), and the drive assembly (1-6) is provided with a driving gear (1) that matches the transmission device (4). -7); the flexible transmission system (6) includes a flexible active member (6-1) and a flexible passive member (6-2), and between the flexible active member (6-1) and the flexible passive member (6-2) Connected by a torsion spring (6-5); the shaft (9-5) rotates coaxially with the flexible driving member (6-1), and the flexible passive member (6-2) rotates coaxially with the inner aluminum tube (9-2); The outer aluminum pipe (9-1) has a polygonal structure, the outer aluminum pipe (9-1) is sleeved outside the inner aluminum pipe (9-2), and the inner aluminum pipe (9-2) is rotatably connected to the outer aluminum pipe (9-2). 9-1), the transmission device (4) and the braking device (3) are embedded at both ends of the outer aluminum tube (9-1), and the transmission device (4) and the braking device (3) are connected to the inner aluminum tube (9-1). The pipe (9-2) is rotatably connected; the rotating shaft (9-5) is located in the inner aluminum pipe (9-2), and the two ends of the rotating shaft (9-5) are connected with the transmission device (4) and the braking device (3) connected, the tie rod (5) is located outside the outer aluminum tube (9-1), and the outer aluminum tube (9-1) is formed with a notch matching the tie rod (5), and the size of the notch is smaller than the size of the tie rod (5) . 2. A display reel according to claim 1, characterized in that the braking device (3) is provided with a first connecting piece (3-1), and the transmission device (4) is provided with a second connecting piece (4-1), the first connector (3-1) and the second connector (4-1) are connected to both ends of the inner aluminum tube (9-2), and the inner aluminum tube (9-2), the second A connecting piece (3-1) rotates synchronously with the second connecting piece (4-1). 3. A display reel according to claim 1, characterized in that the braking device (3) comprises a braking housing (3-14) with a cavity structure opened on one side, the first connecting member ( 3-1) is located at the opening, and the brake housing (3-14) is provided with a first cover plate (3-2) supporting the first connecting piece (3-1), and the brake housing (3-14) 14) There is a rotor (3-5), a brake disc (3-6) and a brake push rod (3-7), and the rotor (3-5) rotates coaxially with the rotating shaft (9-5) to brake The disc (3-6) is sleeved on the outside of the rotor (3-5), external teeth are formed on the outer ring of the rotor (3-5), and the brake disc (3-6) is provided with internal teeth meshing with the external teeth , a gap is formed on the brake disc (3-6), the brake push rod (3-7) is located in the gap, and the brake push rod (3-7) moves to adjust the opening and closing of the brake disc (3-6). 4. A display reel according to claim 3, characterized in that the brake disc (3-6) is provided with an annular spring (3-8) surrounding the brake disc (3-6), And the brake device (3) is provided with a pad (3-9) supporting the brake disc (3-6) and the annular spring (3-8), and the brake push rod (3-7) extends to the brake device In addition to (3), the brake push rod (3-7) is disposed toward the first cam assembly. 5. A display reel according to claim 1, characterized in that, the transmission device (4) comprises a transmission housing (4-8) with a cavity structure open on one side, and the second connecting member (4-8) 1) Located at the opening, and the transmission device (4) is provided with a second cover plate (4-7) supporting the second connecting piece (4-1), and the transmission device (4) is provided with an engaging driven The gear (4-4) and the idler gear (4-5), the driven gear (4-4) and the rotating shaft (9-5) rotate coaxially, and the idler gear (4-5) partially extends to the outside. 6. A display reel according to claim 5, characterized in that, a first fixing block (10) and a second fixing block (11) are arranged opposite to the outer side of the end of the braking device (3), A locking cavity is formed between the first fixing block (10) and the second fixing block (11), and oppositely arranged protrusions (4-9) are arranged on the outer side of the end of the transmission device (4).

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