Lifting billboard

Abstract

The utility model discloses a lifting billboard, and relates to the technical field of conference system auxiliary equipment, the lifting billboard comprises a rack, a billboard and a lifting mechanism, the billboard is movably connected with the rack, so that the billboard can move along the vertical direction relative to the rack; the lifting mechanism comprises a counterweight assembly and a connecting rope, and the counterweight assembly can provide upward force for the billboard through the connecting rope. According to the technical scheme, the balance weight assembly and the connecting rope are arranged to drive the billboard to ascend or descend in the vertical direction relative to the rack, the height is adjusted through the mass difference between the billboard and the balance weight assembly, no tool needs to be used, and no electrical mechanism needs to be used for consuming energy; the height of the billboard can be adjusted only by lifting or pressing the billboard or the counterweight assembly upwards with hands by a user, the structure is simple, operation is convenient and fast, the height of the billboard can be adjusted at will and is not limited, daily wiping and cleaning use of the user can be met, and the use experience of the user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of conference system auxiliary equipment, in particular to a lifting signboard. Background Art

[0002] At present, most management billboards on the market are about 2 meters above the ground, and when the billboards are fixed in height, they cannot be adjusted. During daily use, wiping or cleaning of the billboards, they cannot meet all user needs and have a poor usability. When the height of the billboards can be adjusted, tools are required for each adjustment, which is cumbersome to operate and inconvenient for daily use. In addition, the height cannot be adjusted according to actual needs.

[0003] Therefore, how to adjust the height of the billboard quickly and conveniently is a problem that needs to be solved urgently. Utility Model Content

[0004] The main purpose of the utility model is to provide a lifting signboard, aiming to solve the problem of how to adjust the height of the signboard conveniently and quickly.

[0005] In order to achieve the above-mentioned purpose, the utility model proposes a lifting billboard, which comprises:

[0006] frame;

[0007] A visor, the visor being movably connected to the frame so that the visor can move in a vertical direction relative to the frame;

[0008] A lifting mechanism, the lifting mechanism includes a counterweight assembly and a connecting rope, the counterweight assembly is movably connected to the frame so that the lifting mechanism can move in a vertical direction relative to the frame; one end of the connecting rope is connected to the counterweight assembly, and the other end of the connecting rope is connected to the billboard, the mass of the counterweight assembly is not less than the mass of the billboard, the connecting rope also abuts against the frame, and the position where the connecting rope abuts against the frame is higher than the position where the connecting rope is connected to the counterweight assembly and the position where the connecting rope is connected to the billboard, so that the counterweight assembly can provide an upward force to the billboard through the connecting rope.

[0009] In one embodiment, the counterweight assembly includes a counterweight block, a lifting ring, a first pulley and a second pulley, the lifting ring is connected to the counterweight block, the lifting ring is connected to the connecting rope, the first pulley and the second pulley are respectively arranged on both sides of the counterweight block, the frame is provided with a first slide groove and a second slide groove, the first slide groove and the second slide groove both extend in the vertical direction, the first pulley is rollingly matched with the first slide groove, and the second pulley is rollingly matched with the second slide groove.

[0010] In one embodiment, there are a plurality of first pulleys, and the plurality of first pulleys are arranged at intervals in the vertical direction; and / or there are a plurality of second pulleys, and the plurality of second pulleys are arranged at intervals in the vertical direction.

[0011] In one embodiment, the frame also includes a third pulley and a frame body, the third pulley is arranged on the top of the frame body, one end of the connecting rope is connected to the hanging ring, and the other end of the connecting rope is connected to the billboard after being wrapped around the slide groove of the third pulley, and the position of the third pulley is higher than the position where the connecting rope is connected to the counterweight assembly and the position where the connecting rope is connected to the billboard.

[0012] In one embodiment, the billboard includes a main body and a mounting seat, the mounting seat is connected to the main body, a fourth pulley is arranged on the mounting seat, the frame also includes a frame body and a pole assembly, the pole assembly includes a first pole and a second pole, the first pole and the second pole are both connected to the frame body, the fourth pulley is arranged between the first pole and the second pole, the fourth pulley is in rolling cooperation with the first pole, or the fourth pulley is in rolling cooperation with the second pole.

[0013] In one embodiment, a fifth pulley is provided on the first vertical pole, and a sixth pulley is provided on the second vertical pole, the fifth pulley and the sixth pulley are provided correspondingly, a third slide groove and a fourth slide groove are provided on both sides of the mounting seat, respectively, the third slide groove and the fourth slide groove both extend in the vertical direction, the fifth pulley is in rolling cooperation with the third slide groove, and the sixth pulley is in rolling cooperation with the fourth slide groove.

[0014] In one embodiment, there are multiple fifth pulleys, which are spaced apart in the vertical direction; and / or there are multiple sixth pulleys, which are spaced apart in the vertical direction.

[0015] In one embodiment, the number of the fourth pulley, the pole assembly and the lifting mechanism is two, the two fourth pulleys, the two pole assemblies and the two lifting mechanisms are respectively arranged on both sides of the billboard, and the two fourth pulleys, the two pole assemblies and the two lifting mechanisms are arranged in a one-to-one correspondence.

[0016] In one embodiment, the lifting awning further comprises casters, and the number of the casters is multiple, and the multiple casters are distributed at intervals along the bottom of the frame.

[0017] In one embodiment, the lifting board further includes a reinforcing rod, and both ends of the reinforcing rod are connected to the frame.

[0018] In an embodiment of the utility model, the kanban is driven to rise or fall in the vertical direction relative to the frame by a lifting mechanism, so as to adjust the height of the kanban to meet the needs of customers. Specifically, the two ends of the connecting rope are respectively connected to the counterweight assembly and the kanban, and the position where the connecting rope abuts the frame is higher than the position where the connecting rope is connected to the counterweight assembly and the position where the connecting rope is connected to the kanban. The mass of the counterweight assembly is about one-third heavier than the mass of the kanban, so that the counterweight assembly can use its own gravity to provide an upward force for the kanban through the connecting rope, and because the connection position of the counterweight assembly and the connecting rope and the abutment position of the connecting rope and the frame are not in the same straight line in the vertical direction, the connecting rope generates an oblique upward pulling force on the counterweight assembly, thereby limiting the movement of the counterweight assembly relative to the frame, so that the counterweight assembly and the frame can It is in a relatively fixed position, so that the signboard can maintain a certain fixed height; compared with the existing structure with adjustable signboard height, the lifting signboard mainly uses the mass difference between the signboard and the counterweight assembly to adjust the height. It does not require the use of any tools, nor does it require the use of electrical mechanisms to consume energy. The user only needs to lift the signboard up or press the signboard down to an appropriate height by hand to adjust the height of the signboard, or the user only needs to lift the counterweight assembly up or press the counterweight assembly down to an appropriate height to adjust the height of the signboard. The structure is simple, the operation is convenient and fast, and the height of the signboard can be adjusted at will without restriction, which can meet the user's daily wiping and cleaning use, improves the user's experience, and is more labor-saving than personnel directly adjusting the height of the signboard without relying on the counterweight assembly. The embodiment of the utility model drives the billboard to rise or fall in the vertical direction relative to the frame by setting a counterweight assembly and a connecting rope, thereby adjusting the height of the billboard, and utilizing the mass difference between the billboard and the counterweight assembly to adjust the height. No tools are required, and no electrical mechanism is required to consume energy. The height of the billboard can be adjusted by the user only needing to lift the billboard upward or press the billboard downward to an appropriate height by hand, or the height of the billboard can be adjusted by the user only needing to lift the counterweight assembly upward or press the counterweight assembly downward to an appropriate height by hand. The structure is simple, the operation is convenient and quick, and the height of the billboard can be adjusted at will without restriction, which can meet the user's daily wiping and cleaning needs and improve the user's sense of experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0020] Figure 1 This is a structural schematic diagram of an embodiment of the utility model lifting billboard;

[0021] Figure 2 It is a structural schematic diagram of an embodiment of the first pulley and the first slide groove of the lifting billboard of the utility model.

[0022] Description of Figure Numbers:

[0023] 100. Lifting signboard; 1. Frame; 11. Frame body; 111. First slide slot; 12. Third pulley; 13. Pole assembly; 131. First pole; 1311. Fifth pulley; 132. Second pole; 1321. Sixth pulley; 2. Signboard; 21. Body; 22. Mounting seat; 221. Fourth pulley; 3. Lifting mechanism; 31. Counterweight assembly; 311. Counterweight block; 312. Lifting ring; 313. First pulley; 314. Second pulley; 32. Connecting rope; 4. Casters; 5. Reinforcing rod.

[0024] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, and back), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indication will also change accordingly.

[0027] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the utility model, the descriptions of "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of the features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel solutions. Taking "A and / or B" as an example, it includes solution A, solution B, or solutions that satisfy both A and B. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0028] The main purpose of the utility model is to provide a lifting signboard 100, aiming to solve the problem of how to adjust the height of the signboard 2 conveniently and quickly.

[0029] The utility model provides a lifting billboard 100.

[0030] See also Figure 1 In one embodiment of the utility model, the lifting kanban 100 includes a frame 1, a kanban 2 and a lifting mechanism 3. The kanban 2 is movably connected to the frame 1 so that the kanban 2 can move in a vertical direction relative to the frame 1; the lifting mechanism 3 includes a counterweight assembly 31 and a connecting rope 32. The counterweight assembly 31 is movably connected to the frame 1 so that the lifting mechanism 3 can move in a vertical direction relative to the frame 1; one end of the connecting rope 32 is connected to the counterweight assembly 31, and the other end of the connecting rope 32 is connected to the kanban 2. The mass of the counterweight assembly 31 is not less than the mass of the kanban 2. The connecting rope 32 also abuts against the frame 1. The position where the connecting rope 32 abuts against the frame 1 is higher than the position where the connecting rope 32 is connected to the counterweight assembly 31 and the position where the connecting rope 32 is connected to the kanban 2, so that the counterweight assembly 31 can provide an upward force for the kanban 2 through the connecting rope 32.

[0031] In the embodiment of the utility model, the lifting mechanism 3 is used to drive the kanban 2 to rise or fall relative to the frame 1 in the vertical direction, so as to adjust the height of the kanban 2 to meet the needs of customers. Specifically, the two ends of the connecting rope 32 are respectively connected to the counterweight assembly 31 and the kanban 2, and the position where the connecting rope 32 abuts against the frame 1 is higher than the position where the connecting rope 32 is connected to the counterweight assembly 31 and the position where the connecting rope 32 is connected to the kanban 2. The mass of the counterweight assembly 31 is about one-third heavier than the mass of the kanban 2, so that the counterweight assembly 31 can use its own gravity to provide an upward force for the kanban 2 through the connecting rope 32, and because the connection position of the counterweight assembly 31 and the connecting rope 32 and the abutment position of the connecting rope 32 and the frame 1 are not in the same straight line in the vertical direction, the connecting rope 32 generates an oblique upward pulling force on the counterweight assembly 31, thereby limiting The counterweight assembly 31 moves relative to the frame 1 so that the counterweight assembly 31 and the frame 1 can be in a relatively fixed position, so that the signboard 2 can maintain a certain fixed height; compared with the existing structure that can adjust the height of the signboard 2, the lifting signboard 100 mainly uses the mass difference between the signboard 2 and the counterweight assembly 31 to adjust the height. It does not require the use of any tools, nor does it require the use of electrical mechanisms to consume energy. The height of the signboard 2 can be adjusted by the user only needing to pull the signboard 2 up or press the signboard 2 down to an appropriate height by hand, or the height of the signboard 2 can be adjusted by the user only needing to pull the counterweight assembly 31 up or press the counterweight assembly 31 down to an appropriate height by hand. The structure is simple and the operation is convenient and quick. The height of the signboard 2 can be adjusted at will without restriction, which can meet the user's daily wiping and cleaning needs and improve the user's usage experience.

[0032] The technical solution of the present invention drives the billboard 2 to rise or fall relative to the frame 1 in the vertical direction by setting a counterweight assembly 31 and a connecting rope 32, thereby adjusting the height of the billboard 2, and utilizing the mass difference between the billboard 2 and the counterweight assembly 31 to adjust the height. No tools are required, and no electrical mechanism is required to consume energy. The height of the billboard 2 can be adjusted by the user only needing to pull the billboard 2 upward or press the billboard 2 downward to a suitable height by hand, or the height of the billboard 2 can be adjusted by the user only needing to pull the counterweight assembly 31 upward or press the counterweight assembly 31 downward to a suitable height by hand. The structure is simple, and the operation is convenient and quick. Moreover, the height of the billboard 2 can be adjusted at will without restriction, which can meet the user's daily wiping and cleaning needs and improve the user's usage experience.

[0033] See also Figure 1 and Figure 2 In one embodiment, the counterweight assembly 31 includes a counterweight block 311, a lifting ring 312, a first pulley 313 and a second pulley 314. The lifting ring 312 is connected to the counterweight block 311, and the lifting ring 312 is connected to the connecting rope 32. The first pulley 313 and the second pulley 314 are respectively arranged on both sides of the counterweight block 311. The frame 1 is provided with a first slide groove 111111 and a second slide groove (not shown in the figure). The first slide groove 111 and the second slide groove both extend in the vertical direction. The first pulley 313 and the first slide groove 111 are rollingly matched, and the second pulley 314 and the second slide groove are rollingly matched. Specifically, the first pulley 313 and the second pulley 314 are respectively arranged on both sides of the counterweight block 311, and the mass of the counterweight block 311 is about one third heavier than the mass of the kanban 2. The mass difference between the kanban 2 and the counterweight assembly 31 is used to adjust the height of the kanban 2. The height of the kanban 2 can be adjusted by the user by directly adjusting the height of the kanban 2 without relying on the counterweight assembly 31. The user can adjust the height of the kanban 2 by pulling the kanban 2 or the counterweight assembly 31 upward or pressing the kanban 2 or the counterweight assembly 31 downward by hand, so that the first pulley 313 rolls relative to the first slide slot 111, and the second pulley 314 rolls relative to the second slide slot, so that the counterweight block 311 and the kanban 2 can both move up and down relative to the frame 1; and the counterweight block 311 is connected to the connecting rope 32 through the lifting ring 312, and the connection position of the counterweight block 311 and the connecting rope 32 and the abutment position of the connecting rope 32 and the frame 1 are not in the same straight line in the vertical direction. The connecting rope 32 generates an oblique upward pulling force on the counterweight block 311, thereby limiting the movement of the counterweight block 311 relative to the frame 1, so that the counterweight block 311 can be in a relatively fixed position with the frame 1, so that the kanban 2 can maintain a certain fixed height.

[0034] In one embodiment, there are multiple first pulleys 313, and the multiple first pulleys 313 are arranged at intervals in the vertical direction; and / or, there are multiple second pulleys 314, and the multiple second pulleys 314 are arranged at intervals in the vertical direction; specifically, to ensure the stability of the counterweight block 311 rolling along the frame 1, in this embodiment, there are multiple first pulleys 313, and there are multiple second pulleys 314, and the multiple first pulleys 313 and the multiple second pulleys 314 are all arranged at intervals in the vertical direction, so that the multiple first pulleys 313 can all roll with the first slide groove 111, and the multiple second pulleys 314 can all roll with the second slide groove, thereby ensuring that the counterweight block 311 can smoothly rise or fall relative to the frame 1. This embodiment does not limit the specific number of the first pulleys 313 and the second pulleys 314.

[0035] According to an embodiment of the utility model, there are multiple first pulleys 313, which are spaced apart in the vertical direction, and there is one second pulley 314; the multiple first pulleys 313 can all roll with the first slide groove 111, and the second pulley 314 can roll with the second slide groove, thereby ensuring that the counterweight block 311 can smoothly rise or fall relative to the frame 1.

[0036] According to another embodiment of the utility model, there are multiple first pulleys 313, and there are multiple second pulleys 314, and the multiple second pulleys 314 are arranged at intervals in the vertical direction; the first pulley 313 rolls with the first slide groove 111, and the multiple second pulleys 314 roll with the second slide groove, thereby ensuring that the counterweight block 311 can rise or fall smoothly relative to the frame 1.

[0037] In one embodiment, the frame 1 further includes a third pulley 12 and a frame body 11, the third pulley 12 is arranged on the top of the frame body 11, one end of the connecting rope 32 is connected to the lifting ring 312, the other end of the connecting rope 32 is connected to the kanban 2 after being wound around the slide groove of the third pulley 12, and the position of the third pulley 12 is higher than the position where the connecting rope 32 is connected to the counterweight assembly 31 and the position where the connecting rope 32 is connected to the kanban 2; specifically, because the connecting rope 32 abuts against the frame 1, only when the position where the connecting rope 32 abuts against the frame 1 is higher than the position where the connecting rope 32 is connected to the counterweight assembly 31 and the position where the connecting rope 32 is connected to the kanban 2, can the counterweight assembly be connected. Component 31 provides an upward force for the kanban 2 through the connecting rope 32. In order to reduce the friction between the connecting rope 32 and the frame 1, a third pulley 12 is arranged on the top of the frame body 11. The position of the third pulley 12 is higher than the position where the connecting rope 32 is connected to the counterweight assembly 31 and the position where the connecting rope 32 is connected to the kanban 2. One end of the connecting rope 32 is connected to the lifting ring 312, and the other end of the connecting rope 32 is connected to the kanban 2 after being wrapped around the slide groove of the third pulley 12. By setting the third pulley 12, the direction of the force can be changed and the friction between the connecting rope 32 and the frame 1 can be reduced, so that the counterweight 311 can provide an upward force for the kanban 2 through the connecting rope 32.

[0038] In one embodiment, the signboard 2 includes a body 21 and a mounting seat 22, the mounting seat 22 is connected to the body 21, a fourth pulley 221 is arranged on the mounting seat 22, the frame 1 also includes a frame body 11 and a pole assembly 13, the pole assembly 13 includes a first pole 131 and a second pole 132, the first pole 131 and the second pole 132 are both connected to the frame body 11, the fourth pulley 221 is arranged between the first pole 131 and the second pole 132, the fourth pulley 221 and the first pole 131 are rollingly matched, or the fourth pulley 221 and the second pole 132 are rollingly matched; specifically, the body 21 is connected to the mounting seat 22, the first pole 131 and the second pole 132 are both connected to the frame body 11 , and the first vertical rod 131 and the second vertical rod 132 are arranged at intervals, the fourth pulley 221 on the mounting seat 22 is arranged between the first vertical rod 131 and the second vertical rod 132, the first vertical rod 131 and the second vertical rod 132 can limit the movement of the fourth pulley 221 in the horizontal direction, and the fourth pulley 221 can roll with the first vertical rod 131 or the second vertical rod 132, so as to realize the up and down movement of the billboard 2 relative to the frame 1; and in this embodiment, in order to ensure the stability of the billboard 2 rolling along the frame 1, the number of the fourth pulley 221 can be multiple, and the multiple fourth pulleys 221 are arranged at intervals in the vertical direction, and the multiple fourth pulleys 221 all roll with the first vertical rod 131 or the second vertical rod 132.

[0039] In one embodiment, a fifth pulley 1311 is provided on the first vertical rod 131, and a sixth pulley 1321 is provided on the second vertical rod 132. The fifth pulley 1311 and the sixth pulley 1321 are provided correspondingly, and a third slide groove (not shown) and a fourth slide groove (not shown) are provided on both sides of the mounting seat 22, respectively. The third slide groove and the fourth slide groove both extend in the vertical direction, and the fifth pulley 1311 and the third slide groove are in rolling cooperation, and the sixth pulley 1321 and the fourth slide groove are in rolling cooperation. Specifically, in order to ensure the stability of the kanban 2 when it rolls up and down relative to the frame 1, the kanban 2 is prevented from rolling. For shaking in the horizontal direction, a fifth pulley 1311 is arranged on the first vertical rod 131, and a sixth pulley 1321 is arranged on the second vertical rod 132, and the fifth pulley 1311 and the sixth pulley 1321 are arranged correspondingly. When the kanban 2 rolls up and down relative to the frame 1, the mounting seat 22 is located between the fifth pulley 1311 and the sixth pulley 1321, and the fifth pulley 1311 rolls with the third slide groove, and the sixth pulley 1321 rolls with the fourth slide groove to limit the movement of the kanban 2 in the horizontal direction, thereby ensuring the stability of the kanban 2 when rolling up and down relative to the frame 1.

[0040] In one embodiment, there is a plurality of fifth pulleys 1311, and the plurality of fifth pulleys 1311 are arranged at intervals in the vertical direction; and / or, there is a plurality of sixth pulleys 1321, and the plurality of sixth pulleys 1321 are arranged at intervals in the vertical direction; specifically, since the height of the kanban 2 is relatively large, in order to ensure the stability of the kanban 2 when it moves up and down relative to the frame 1, there is a plurality of fifth pulleys 1311, and there is a plurality of sixth pulleys 1321, and the plurality of fifth pulleys 1311 and the plurality of sixth pulleys 1321 are arranged at intervals in the vertical direction, so that when the kanban 2 is adjusted to different heights, the third slide groove and the fourth slide groove on the mounting seat 22 can respectively correspond to and roll with the fifth pulley 1311 and the sixth pulley 1321 in a one-to-one manner, thereby limiting the movement of the kanban 2 in the horizontal direction and ensuring the stability of the kanban 2 when it rolls up and down relative to the frame 1.

[0041] According to an embodiment of the utility model, there are multiple fifth pulleys 1311, which are spaced apart in the vertical direction, and there is one sixth pulley 1321; the multiple fifth pulleys 1311 can all roll with the third slide groove, and the sixth pulley 1321 rolls with the fourth slide groove, thereby limiting the horizontal movement of the billboard 2 and ensuring the stability of the billboard 2 when rolling up and down relative to the frame 1.

[0042] According to another embodiment of the utility model, there are multiple sixth pulleys 1321, which are spaced apart in the vertical direction, and there is one fifth pulley 1311; the multiple sixth pulleys 1321 can all roll with the fourth slide groove, and the fifth pulley 1311 rolls with the third slide groove, thereby limiting the horizontal movement of the billboard 2 and ensuring the stability of the billboard 2 when rolling up and down relative to the frame 1.

[0043] In one embodiment, the number of the fourth pulley 221, the pole assembly 13 and the lifting mechanism 3 is two, and the two fourth pulleys 221, the two pole assemblies 13 and the two lifting mechanisms 3 are respectively arranged on both sides of the kanban 2, and the two fourth pulleys 221, the two pole assemblies 13 and the two lifting mechanisms 3 are arranged one by one; specifically, in order to ensure that the kanban 2 is subjected to uniform force when rolling up and down relative to the frame 1, and to prevent the lifting kanban 100 from being damaged or the lifting being unstable due to unilateral force, in this embodiment, the fourth pulley 221, the pole assembly 13 and the lifting mechanism 3 are There are two lowering mechanisms 3 and they are respectively arranged on both sides of the signboard 2. The two upright pole assemblies 13 are respectively rollingly matched with the two sides of the signboard 2. The two fourth pulleys 221 are respectively arranged on both sides of the mounting seat 22 and are rollingly matched with the two upright pole assemblies 13 in a one-to-one correspondence. The two lifting mechanisms 3 are both rollingly matched with the frame 1, and the two lifting mechanisms 3 are respectively connected to the two sides of the signboard 2, thereby providing equal upward force for both sides of the signboard 2, so that the signboard 2 can stably roll up and down relative to the frame 1, thereby ensuring the stability and reliability of the lifting signboard 100.

[0044] In one embodiment, the lifting billboard 100 also includes casters 4, and the number of casters 4 is multiple, and the multiple casters 4 are distributed at intervals along the bottom of the frame 1; specifically, in order to meet user needs and enable the lifting billboard 100 to be moved at will, multiple casters 4 are arranged at intervals at the bottom of the frame 1. By setting the casters 4, the movement of the lifting billboard 100 is facilitated, and the structure is simple, convenient and fast.

[0045] In one embodiment, the lifting billboard 100 also includes a reinforcing rod 5, both ends of which are connected to the frame 1; specifically, by providing the reinforcing rod 5 so that both ends of the reinforcing rod 5 are connected to the frame body 11, the strength and rigidity of the lifting billboard 100 can be enhanced, thereby improving the stability and reliability of the overall structure of the lifting billboard 100.

[0046] The above description is only an exemplary embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the technical concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A lifting sign, characterized in that: The lifting signboard comprises: frame; A visor, the visor being movably connected to the frame so that the visor can move in a vertical direction relative to the frame; A lifting mechanism, the lifting mechanism includes a counterweight assembly and a connecting rope, the counterweight assembly is movably connected to the frame so that the lifting mechanism can move in a vertical direction relative to the frame; one end of the connecting rope is connected to the counterweight assembly, and the other end of the connecting rope is connected to the billboard, the mass of the counterweight assembly is not less than the mass of the billboard, the connecting rope also abuts against the frame, and the position where the connecting rope abuts against the frame is higher than the position where the connecting rope is connected to the counterweight assembly and the position where the connecting rope is connected to the billboard, so that the counterweight assembly can provide an upward force to the billboard through the connecting rope.

2. The lifting signboard according to claim 1, characterized in that: The counterweight assembly includes a counterweight block, a lifting ring, a first pulley and a second pulley, the lifting ring is connected to the counterweight block, the lifting ring is connected to the connecting rope, the first pulley and the second pulley are respectively arranged on both sides of the counterweight block, the frame is provided with a first slide groove and a second slide groove, the first slide groove and the second slide groove both extend in a vertical direction, the first pulley is in rolling cooperation with the first slide groove, and the second pulley is in rolling cooperation with the second slide groove.

3. The lifting signboard according to claim 2, characterized in that: There are multiple first pulleys, and the multiple first pulleys are arranged at intervals in the vertical direction; and / or there are multiple second pulleys, and the multiple second pulleys are arranged at intervals in the vertical direction.

4. The lifting signboard according to claim 2, characterized in that: The frame also includes a third pulley and a frame body, the third pulley is arranged on the top of the frame body, one end of the connecting rope is connected to the lifting ring, and the other end of the connecting rope is connected to the billboard after being wound around the slide groove of the third pulley, and the position of the third pulley is higher than the position where the connecting rope is connected to the counterweight assembly and the position where the connecting rope is connected to the billboard.

5. The lifting signboard according to claim 1, characterized in that: The signboard includes a main body and a mounting seat, the mounting seat is connected to the main body, a fourth pulley is arranged on the mounting seat, the frame also includes a frame body and a pole assembly, the pole assembly includes a first pole and a second pole, the first pole and the second pole are both connected to the frame body, the fourth pulley is arranged between the first pole and the second pole, the fourth pulley is in rolling cooperation with the first pole, or the fourth pulley is in rolling cooperation with the second pole.

6. The lifting signboard according to claim 5, characterized in that: A fifth pulley is provided on the first vertical pole, and a sixth pulley is provided on the second vertical pole. The fifth pulley and the sixth pulley are provided correspondingly. A third slide groove and a fourth slide groove are provided on both sides of the mounting seat respectively. The third slide groove and the fourth slide groove both extend in a vertical direction. The fifth pulley is in rolling cooperation with the third slide groove, and the sixth pulley is in rolling cooperation with the fourth slide groove.

7. The lifting signboard according to claim 6, characterized in that: There are multiple fifth pulleys, and the multiple fifth pulleys are arranged at intervals in the vertical direction; and / or there are multiple sixth pulleys, and the multiple sixth pulleys are arranged at intervals in the vertical direction.

8. The lifting billboard according to any one of claims 5 to 7, characterized in that: The number of the fourth pulley, the pole assembly and the lifting mechanism are two each, and the two fourth pulleys, the two pole assemblies and the two lifting mechanisms are respectively arranged on both sides of the billboard, and the two fourth pulleys, the two pole assemblies and the two lifting mechanisms are arranged in one-to-one correspondence.

9. The lifting billboard according to any one of claims 1 to 7, characterized in that: The lifting sign also includes casters, and the number of the casters is multiple, and the multiple casters are distributed at intervals along the bottom of the frame.

10. The lifting billboard according to any one of claims 1 to 7, characterized in that: The lifting awning further comprises a reinforcing rod, both ends of which are connected to the frame.

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