CN212455078U - Hoisting structure, display screen and display - Google Patents

Abstract

The utility model discloses a hoisting structure, display screen, display, this display are provided with this display screen, and this display screen is provided with this hoisting structure, and this hoisting structure sets up between first connecting portion and second connecting portion for realize that connection between them is fixed, specifically include: at least one hanging buckle part for realizing hanging buckle of the first connecting part and the second connecting part; and the locking part is used for realizing the detachable fixation of the first connecting part and the second connecting part. The utility model discloses can share the weight that partly treats the fixed subassembly of concatenation or directly bear the whole weight of treating the fixed subassembly of concatenation through the fixed subassembly of installation, alleviate workman's intensity of labour, be favorable to improving and assemble efficiency, the security is high, and the practicality is strong.

Description

Hoisting structure, display screen and display

Technical Field

The utility model relates to a mounting structure, in particular to hoisting structure, adopt this hoisting structure's display screen and adopt the display of this display screen.

Background

The large display screen is generally formed by splicing a plurality of display modules (namely, the display screen with a smaller size), the display modules need to be spliced and fixed before use, and meanwhile, in most application occasions, the display screen needs to be detached after use, so that a detachable connection and fixing mode needs to be adopted between the two display modules. At present, a better detachable splicing structure for realizing the splicing between two display modules is lacking in the market, and particularly, the labor intensity of workers is high under the condition of longitudinally (namely, vertically) splicing.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. On the one hand, the utility model provides a hoisting structure sets up between first connecting portion and second connecting portion for it is fixed to realize connecting between them, specifically includes:

at least one hanging buckle part for realizing hanging buckle of the first connecting part and the second connecting part;

and the locking part is used for realizing the detachable fixation of the first connecting part and the second connecting part.

According to the utility model discloses an embodiment has following technological effect at least:

adopt the hoisting structure that above-mentioned structure set up, only need in advance with first connecting portion and second connecting portion setting on one's body two subassemblies that need the concatenation, the rethread is hung knot portion and is hung knot first connecting portion, second connecting portion to can share the weight of some subassembly that treats the concatenation fixed or directly bear the whole weight of the subassembly that treats the concatenation fixed through the subassembly of installation fixed, alleviate workman's intensity of labour. Afterwards, the first connecting portion and the second connecting portion are fixedly connected through the locking portion, splicing fixation between the two assemblies can be achieved, splicing efficiency is improved, and the practicability is high. At the dismantlement in-process, the connection of removing locking portion earlier is fixed, because this moment hang the knot portion still be in operating condition, consequently the subassembly of demolising can not fall suddenly because of the unblock of locking portion, and the security is high, and the practicality is strong.

According to some embodiments of the utility model, hang knot portion including set up in indent structure on the first connecting portion with set up telescopically in protruding structure on the second connecting portion, protruding structure with indent structure adaptation and can detain in the indent structure.

According to some embodiments of the utility model, protruding structure include in the normal state salient in second connecting portion surface can buckle into peg in the inner concave structure with peg lock when closing peg hang the peg button of peg.

According to some embodiments of the utility model, set up the first mounting hole and the second mounting hole that the pore was alternately on the second connecting portion, be provided with first reset spring in the first mounting hole, be provided with second reset spring in the second mounting hole, hang the round pin install in first mounting hole and butt first reset spring, it is provided with the spout along the axial to hang the round pin, the spout is close to the one end of indent structure is provided with the head that the width enlarges, hang the round pin button install in the second mounting hole and butt second reset spring, just it is provided with the follow to hang on the round pin button the shaft part that passes in the spout, the shaft part is kept away from the one end of the pressing end of hanging the round pin button is provided with the locking head, the size of locking head is greater than the width of spout and be less than or equal to the width of head.

According to the utility model discloses a some embodiments, locking portion including set up in lock seat and movably on the first connecting portion set up in hoist and mount lock on the second connecting portion, be provided with the lockhole on the lock seat, hoist and mount lock can the hasp in the activity in-process in the lockhole.

According to the utility model discloses a some embodiments, the lock seat slides and is provided with the lock seat button, lock seat button part extend in the lockhole to can withdraw from at the slip in-process the lockhole, be provided with the confession on the hoist and mount lock the hasp concave position that the lock seat button was buckled into.

According to the utility model discloses a some embodiments, the hoist and mount lock with be provided with third reset spring between the second connecting portion, third reset spring top is held the hoist and mount lock, in order to be used for keeping the hoist and mount lock under the normality with the lockhole separation.

According to some embodiments of the utility model, locking portion is still including corresponding hoist and mount lock movably set up in locking spanner on the second connecting portion, locking spanner can be in the restriction the locking state of hoist and mount lock activity and confession the unblock state of hoist and mount lock activity switches.

On the other hand, the utility model provides a display screen is provided with a plurality of display element, wherein two at least the display element is connected fixedly through the hoisting structure of aforementioned arbitrary embodiment.

According to the utility model discloses an embodiment has following technological effect at least:

adopt the display screen that above-mentioned structure set up, through the hoisting structure who sets up aforementioned any kind of structure between two adjacent display element, can share or bear the weight of the display element of treating assembling through the fixed display element of installation at the in-process of assembling display element, alleviate workman's intensity of labour, can avoid display module to fall suddenly when demolising, be favorable to improving the security of dismouting efficiency and dismouting in-process, the practicality is strong.

Furthermore, the utility model also provides a display, its display screen that is provided with aforementioned structure. Obviously, this display also helps improving production efficiency or dismouting efficiency through the display screen that sets up aforementioned structure.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic view of an overall construction of a hoisting structure;

FIG. 2 is a schematic view of the operation of the hook portion;

FIG. 3 is an operational view of the locking portion;

FIG. 4 is a schematic view of the hoisting structure in a stacked state;

FIG. 5 is a first cross-sectional schematic view of a hanger pin;

FIG. 6 is a second cross-sectional view of the hanger pin;

FIG. 7 is a schematic view of one construction of a hoist lock.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 7, the utility model relates to a hoisting structure, set up between first connecting portion 100 and second connecting portion 200 for it is fixed to realize connecting between them, specifically includes:

at least one hanging part for realizing hanging and buckling of the first connecting part 100 and the second connecting part 200;

at least one locking part for detachably fixing the first connection part 100 and the second connection part 200.

Adopt the hoisting structure that above-mentioned structure set up, only need set up first connecting portion 100 and second connecting portion 200 on two subassemblies that need the concatenation in advance, the rethread is hung knot portion and is hung knot first connecting portion 100, second connecting portion 200 to can share the weight of some subassembly that treats the concatenation fixed or directly bear the weight of treating the whole of the subassembly that the concatenation is fixed through the subassembly of having installed, alleviate workman's intensity of labour. Then, the first connecting portion 100 and the second connecting portion 200 are fixedly connected through the locking portion, so that splicing between the two assemblies can be realized, splicing efficiency can be improved, and the practicability is high. At the dismantlement in-process, the connection of removing locking portion earlier is fixed, because this moment hang the knot portion still be in operating condition, consequently the subassembly of demolising can not fall suddenly because of the unblock of locking portion, and the security is high, and the practicality is strong. Then the hanging buckle of the hanging buckle part is released to be smoothly detached.

In some embodiments of the present invention, the hanging part includes an inner concave structure disposed on the first connecting portion 100 and a convex structure disposed on the second connecting portion 200 in a retractable manner, and the convex structure and the inner concave structure are adapted to be able to be buckled into the inner concave structure.

The structure that can realize the buckle is comparatively general among the prior art, and does not describe here in detail. Adopt above-mentioned structure to set up the utility model discloses main difference with prior art lies in setting up the protruding structure of telescopic, uses during operation control protruding structure to stretch out and hang the knot with indent structure, and the protruding structure of control is closed and is reduced volume when accomodating, transportation, storage etc. process, and the practicality is strong.

Consider that protruding structure realizes that the effect of assembling is main, realizes that the function of accomodating is inferior, consequently in some embodiments of the utility model, protruding structure includes outstanding in second connecting portion 200 surface under the normality and can buckle the peg 205 in the indent structure and hang the peg button 206 of peg 205 when peg 205 receipts are closed to locking.

So because the hanging pin 205 is in the state of stretching out under the normal state, conveniently carry out the assembly of first connecting portion 100 and second connecting portion 200, simultaneously because it possesses the locking state of closing, consequently possess the effect that reduces the volume when processes such as accomodating, transportation, storage equally. And because the locking can be realized during the folding, the problems that the package is damaged, the hanging pin 205 is damaged, the hanging pin is difficult to take out and the like caused by the fact that the hanging pin 205 props against the outer package can be avoided.

Referring to fig. 5 and 6, in some embodiments of the present invention, a first mounting hole 300 and a second mounting hole 302 are disposed on the second connecting portion 200, a first return spring 301 is disposed in the first mounting hole 300, a second return spring 303 is disposed in the second mounting hole 302, the hanging pin 205 is mounted in the first mounting hole 300 and abuts against the first return spring 301, the hanging pin 205 is axially provided with a sliding groove 304, one end of the sliding groove 304 close to the concave structure is provided with a head with an enlarged width, the hanging pin button 206 is mounted in the second mounting hole 302 and abuts against the second return spring 303, and a shaft section passing through the sliding groove 304 is disposed on the hanging pin button 206, one end of the shaft section, which is far away from the pressing end of the hanging pin button 206, is provided with a locking head, and the size of the locking head is greater than the width of the sliding groove 304 and less than or equal to the width of the head.

By adopting the structure, the hanging pin 205 is normally supported by the first return spring 301 and one end of the hanging pin is kept to extend out of the surface of the second connecting part 200, and meanwhile, due to the fact that the sliding groove 304 and the hanging pin button 206 are matched to realize anti-dropping, other structures such as a limiting step can be arranged in the first mounting hole 300 to limit sliding of the hanging pin 205 in the actual production process. The latch button 206 has a tendency to extend outward under the action of the second return spring 303, and cannot extend because the locking head width is greater than the chute 304 width. When the hanging pin 205 is pressed by external force, the sliding groove 304 slides relative to the hanging pin button 206, when the head of the sliding groove 304 moves to the position of the hanging pin button 206, the locking head enters the head under the action of the second return spring 303, so that the hanging pin 205 can be locked after the external force is removed, the hanging pin 205 cannot extend out, and only after the hanging pin button 206 is pressed to enable the locking head to exit the head, the hanging pin 205 can be reset again. In this process, a sliding limit structure of the latch button 206 may be disposed in the second mounting hole 302, or a sliding limit structure may be disposed in the head, which will not be described herein.

The above-mentioned embodiment is a structural setting of pressing unlocking, and a pulling unlocking mode may also be set in an actual production process, for example, the latch button 206 is normally in an inward folding state by the second return spring 303, a locking concave position is set at a position on the latch 205 corresponding to the folding position, after the latch 205 is pressed down by a certain distance, the latch button 206 moves inward and is clamped into the locking concave position to lock the latch 205, and the latch button 206 moves outward to exit the locking concave position by overcoming the acting force of the second return spring 303 when unlocking.

Referring to fig. 1 and 5, in an embodiment, the first mounting hole 300 and the second mounting hole 302 are two vertically intersecting tunnels, and the hanging pin 205 includes a rod portion 209 installed in the first mounting hole 300 and a transverse pin 208 installed at the end of the rod portion 209. The first connecting portion 100 is recessed in a side surface adjacent to an end surface for splicing the second connecting portion 200 to form a cavity 104, one end of the cavity 104 close to the second connecting portion 200 is provided with a slot 105 for inserting the rod portion 209, and the end of the slot 105 is provided with a groove 106 matched with the transverse pin 208. A concave structure is formed by the cavity 104.

In the working process, the hanging pin 205 is matched into the cavity 104 from the opening end along the slot 105, so that the hanging and buckling of the first connecting part 100 and the second connecting part 200 can be realized, and the pre-positioning can be realized through the matching of the groove 106 and the transverse pin 208, so that the alignment of the locking part is convenient.

Referring to fig. 1 and 4, in an embodiment, the surface of the second connecting portion 200 that is spliced with the first connecting portion 100 is provided with a folding concave portion 207 corresponding to the hanging pin 205, and the depth of the folding concave portion 207 is adapted to the size of the transverse pin 208, so that in a folded state, the transverse pin 208 is flush with the surface of the second connecting portion 200 or close to a position flush with the surface of the second connecting portion 200. The hoisting structure that so sets up, when possessing the functional role of aforementioned hoist and mount, also can receive to close and hang round pin 205 and realize piling up of first connecting portion 100, second connecting portion 200 and assemble the function, simplify and assemble the step, improve and assemble efficiency.

In some embodiments of the present invention, the locking portion includes a lock seat 101 disposed on the first connecting portion 100 and a hoisting lock 202 movably disposed on the second connecting portion 200, the lock seat 101 is provided with a lock hole 102, and the hoisting lock 202 can be locked in the lock hole 102 during the activity. The movable arrangement may be in the form of sliding, rotating, etc., and only the insertion of the hoisting lock 202 into the lock hole 102 is required. The lock base 101 is an unlockable structure to unlock the hoist lock 202.

In an embodiment, the lock base 101 is slidably provided with a lock base button 103, the lock base button 103 partially extends into the lock hole 102 and can exit from the lock hole 102 during the sliding process, and the hoisting lock 202 is provided with a lock catch recess 210 for the lock base button 103 to be buckled into. The sliding of the key holder button 103 may be controlled manually, or may be reset by a torsion spring or a spring. After the hoisting lock 202 is inserted into the lock hole 102 for a certain distance, the lock base button 103 is clamped into the lock catch concave position 210 to realize locking of the hoisting lock 202, and at the moment, the first connecting part 100 and the second connecting part 200 are attached and fixed. When the lock is removed, the lock base button 103 is pushed to be withdrawn from the lock catch concave position 210, so that the unlocking of the hoisting lock 202 can be realized, and then the lock can be removed smoothly.

In an embodiment, a third return spring 203 is disposed between the hoisting lock 202 and the second connecting portion 200, and the third return spring 203 supports the hoisting lock 202 so as to keep the hoisting lock 202 separated from the lock hole 102 in a normal state. Therefore, after the lock base 101 is unlocked, the lifting lock 202 can be automatically reset after exiting the lock hole 102, and the disassembly efficiency is improved. Meanwhile, when the assembly is carried out, the hoisting lock 202 can be prevented from being abutted against the first connecting part 100 to block the assembly, and the hoisting lock 202 is pushed to be inserted into the lock hole 102 after being correctly aligned, so that the assembly efficiency is improved.

Referring to fig. 1 and 7, the second connecting portion 200 is provided with a third mounting hole, and the hoist lock 202 is slidably mounted in the third mounting hole, and similarly has a fixed stroke. A boss is arranged at one end of the hoisting lock 202 far away from the first connecting part 100, the third return spring 203 is sleeved on the hoisting lock 202, and one end of the third return spring abuts against the boss and the other end of the third return spring abuts against the second connecting part 200. The third return spring 203 thus exposed can simplify the structure of the third mounting hole or the second connecting portion 200 compared to the structure of the second connecting portion 200, and facilitate the installation of the lifting lock 202 on the second connecting portion 200.

In an embodiment, the locking portion further comprises a locking wrench 204 movably disposed on the second connecting portion 200 corresponding to the lifting lock 202, and the locking wrench 204 can be switched between a locking state for limiting the movement of the lifting lock 202 and an unlocking state for allowing the lifting lock 202 to move.

Locking hoist and mount lock 202 through lock spanner 204, both can be assembling the in-process cooperation lock seat button 103 and realize the double locking function, avoid causing hoist and mount lock 202 to break away from because of the mistake bumps lock seat button 103, the security is higher, also can avoid hoist and mount lock 202 to rock impaired in the in-process such as accomodating, transporting simultaneously, can increase of service life.

Referring to fig. 2 to 4, in an embodiment, the locking wrench 204 is sleeved on the hoisting lock 202 and rotatably mounted on the second connecting portion 200, and the locking and unlocking of the hoisting lock 202 is controlled by rotating the locking wrench 204. Specifically, a locking member is arranged on the inner side of the locking wrench 204, and the locking member can be close to or far away from the hoisting lock 202 in the rotating process of the locking wrench 204, so that the hoisting lock 202 can be locked. Specifically, the retaining member is a sleeve structure and can establish on hoist and mount lock 202 along hoist and mount lock 202 axial displacement ground cover, be provided with guide structure between retaining member and the hoist and mount lock 202 to the axial displacement that the retaining member only can follow hoist and mount lock 202 is restricted to the retaining member, the one end of retaining member is provided with the clamping section that can receive pressure to tighten up, be provided with intermeshing's screw thread or wedge face structure between the part that the clamping section was kept away from to the retaining member and lock spanner 204, be provided with the inclined plane of mutually supporting between the surface of the clamping section of retaining member and the lock spanner 204 simultaneously.

During locking, the locking wrench 204 is rotated to drive the locking member to move axially along the hoisting lock 202, and the clamping section is pressed by the inclined surface of the locking wrench 204 and is folded inwards, so that the hoisting lock 202 is clamped. During unlocking, the locking wrench 204 is rotated reversely to drive the locking member to move, and the distance between the clamping section and the inclined plane of the locking wrench 204 is increased to automatically recover deformation, so that the clamping section is separated from the hoisting lock 202 to release locking.

The locking wrench 204 with the structure is simple to control, convenient to use and high in practicability.

Of course, other structures capable of locking the axial sliding exist in the prior art, and the locking wrench 204 of the present invention may also adopt the structure in the prior art, which is not described in detail herein.

In some embodiments, a positioning assembly is further disposed between the first connecting portion 100 and the second connecting portion 200, the positioning assembly includes a positioning column 201 and a positioning hole correspondingly disposed on the first connecting portion 100 and the second connecting portion 200, and a distal end of the positioning column 201 protrudes out of a surface of the first connecting portion 100 or the second connecting portion 200 for performing a pre-positioning during assembling the first connecting portion 100 and the second connecting portion 200, so as to ensure alignment of the hoisting lock 202.

Through making up to above-mentioned embodiment, the utility model provides a hoisting structure can realize following operation of assembling:

operation mode I, hoisting

Firstly, the first connecting part 100 is fixedly installed, the hanging pin button 206 is pressed to enable the hanging pin 205 to extend out of the surface of the second connecting part 200, then the second connecting part 200 is lifted, the hanging pin 205 is controlled to be buckled into the concave structure (as shown in fig. 2), then the locking wrench 204 is rotated to release the locking of the hoisting lock 202, after the first connecting part 100 and the second connecting part 200 are aligned, the hoisting lock 202 and the second connecting part 200 are jacked up, the hoisting lock 202 is inserted into the lock hole 102 to be automatically locked, finally the locking wrench 204 is rotated to lock the hoisting lock 202, and the suspended type assembling of the first connecting part 100 and the second connecting part 200 is completed (as shown in fig. 3).

In the process of lifting the lock 202 and the second connecting portion 200, the upper end of the hanging pin 205 can be pressed to be partially folded, and the size of the concave structure can be increased, so that the hanging pin 205 is always accommodated in the concave structure in the process of moving upwards along with the second connecting portion 200.

Second operation mode, disassembly

Firstly, the locking wrench 204 is rotated to unlock the hoisting lock 202, then the lock base button 103 is pressed to unlock the hoisting lock 202 from the lock hole 102, the hoisting lock 202 automatically gets out of the lock hole 102 under the action of the third return spring 203 to unlock the first connecting part 100 and the second connecting part 200, then the second connecting part 200 is lifted, and the hanging pin 205 is controlled to exit from the concave structure, so that the disassembly is completed.

In this process, when the locking of the first connection unit 100 and the second connection unit 200 is released, the hook pin 205 is in an operating state, so that the second connection unit 200 can be prevented from falling, and the safety is high.

Operation mode three, stacking installation

The second connecting portion 200 is fixedly installed, the hanging pin 205 is pressed downwards and locked by the hanging pin button 206, the upper end of the hanging pin is flush with the upper surface of the second connecting portion 200 or concave relative to the upper surface of the second connecting portion 200, the first connecting portion 100 is stacked on the second connecting portion 200 (as shown in fig. 4), the top lifting lock 202 is lifted upwards for locking, and the locking wrench 204 is rotated to lock the lifting lock 202.

The hoisting structure adopting the structure is suitable for various situations such as vertical stacking or splicing, horizontal splicing, vertical hoisting and the like, and has wide application range. The horizontal splicing has the same effect as hoisting, and is high in efficiency and safety. In practical applications, the structures of the hooking portions provided on the first connecting portion 100 and the second connecting portion 200 can be interchanged, and the structures of the locking portions provided on the first connecting portion 100 and the second connecting portion 200 can also be interchanged, which is not described in detail herein. And the first connecting part 100 and the second connecting part 200 can be integrally arranged with the objects to be spliced in practical application occasions, namely, the hanging part and the locking part are directly arranged on the two objects to be spliced.

The utility model discloses further provide a display screen is provided with a plurality of display element, wherein connects fixedly between two at least display elements through the hoisting structure of aforementioned any kind of structure.

Adopt the display screen that above-mentioned structure set up, through the hoisting structure who sets up aforementioned any kind of structure between two adjacent display element, can share or bear the weight of the display element of treating assembling through the fixed display element of installation at the in-process of assembling display element, alleviate workman's intensity of labour, can avoid display module to fall suddenly when demolising, be favorable to improving the security of dismouting efficiency and dismouting in-process, the practicality is strong.

The two connecting portions may be separately provided, that is, the first connecting portion 100 and the second connecting portion 200 are separately provided and then mounted on the corresponding display unit, or integrally provided, that is, the corresponding connecting portions are processed on the display unit.

Furthermore, the utility model also provides a display, its display screen that is provided with aforementioned structure. Obviously, this display also helps improving production efficiency or dismouting efficiency through the display screen that sets up aforementioned structure.

In the above embodiment, only the display unit and the display unit are connected and fixed through the hoisting structure, but in the practical application process, the display unit and the corresponding display screen frame can also be connected and fixed. The application of the hoisting structure is wide, and the detailed description is omitted here.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (9)

1. The utility model provides a hoisting structure, its characterized in that sets up between first connecting portion and second connecting portion for realize that connection between them is fixed, specifically include:

at least one hanging buckle part for realizing hanging buckle of the first connecting part and the second connecting part;

at least one locking part for realizing the detachable fixation of the first connecting part and the second connecting part; the hanging and buckling part comprises an inner concave structure arranged on the first connecting part and a convex structure telescopically arranged on the second connecting part, and the convex structure is matched with the inner concave structure and can be buckled into the inner concave structure.

2. A hoisting structure according to claim 1, characterized in that: the protruding structure comprises a hanging pin which protrudes out of the surface of the second connecting part in a normal state and can be buckled into the concave structure, and a hanging pin button which locks the hanging pin when the hanging pin is folded.

3. A hoisting structure according to claim 2, characterized in that: set up the first mounting hole and the second mounting hole that the pore was criss-cross on the second connecting portion, be provided with first reset spring in the first mounting hole, be provided with second reset spring in the second mounting hole, hang the round pin install in first mounting hole and butt first reset spring, it is provided with the spout along the axial to hang the round pin, the spout is close to the one end of indent structure is provided with the head that the width enlarges, hang the round pin button install in the second mounting hole and butt second reset spring, just be provided with on hanging the round pin button follow the shaft part that passes in the spout, the shaft part is kept away from the one end of the press end of hanging the round pin button is provided with the locking head, the size of locking head is greater than the width of spout and be less than or equal to the width of head.

4. A hoisting structure according to claim 1, characterized in that: the locking portion including set up in lock seat on the first connecting portion with movably set up in hoist and mount lock on the second connecting portion, be provided with the lockhole on the lock seat, the hoist and mount lock can the hasp in the activity in-process in the lockhole.

5. A hoisting structure according to claim 4, characterized in that: the lock seat slides and is provided with a lock seat button, the lock seat button part extends in the lockhole and can withdraw from the lockhole in the sliding process, and the hoisting lock is provided with a lock catch concave position for buckling the lock seat button.

6. A hoisting structure according to claim 4, characterized in that: and a third return spring is arranged between the hoisting lock and the second connecting part and supports the hoisting lock so as to keep the hoisting lock separated from the lock hole under the normal state.

7. A hoisting structure according to claim 4, characterized in that: the locking part further comprises a locking wrench corresponding to the hoisting lock and movably arranged on the second connecting part, and the locking wrench can limit the movable locking state of the hoisting lock and the movable unlocking state of the hoisting lock to be switched.

8. A display screen, its characterized in that: comprises a plurality of display units, wherein at least two display units are connected and fixed through the hoisting structure of any one of claims 1 to 7.

9. A display device characterized in that a display screen according to claim 8 is provided.

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