CN219162943U - Box body connecting mechanism, box body structure and LED display screen - Google Patents

Abstract

The utility model provides a box body connecting mechanism, a box body structure and an LED display screen, wherein the box body connecting mechanism comprises: the lock seat is used for being fixedly connected with the first box body and provided with a connecting hole; the lock rod is connected with the connecting hole in a penetrating way and can rotate around the axis of the lock rod to realize fixed connection with the second box body; the handle is in threaded connection with the lock rod and is used for being abutted with the lock seat; the lock rod is provided with a sliding groove, the hole wall of the connecting hole is provided with a clamping table which is arranged in the sliding groove in a sliding way, and the central angle of the clamping table width corresponding to the arc length is smaller than that of the sliding groove width, so that the lock rod rotates around the shaft within a preset angle range. Through adopting above-mentioned technical scheme, the cooperation of the draw-in groove on the locking lever and the block on the lock seat can avoid the assembler to adorn the locking lever in reverse, and the locking lever can only rotate around the axle in the angle range of predetermineeing, need not to rotate the locking lever of wide angle and can realize the connection between first box and the second box.

Description

Box body connecting mechanism, box body structure and LED display screen

Technical Field

The utility model relates to the technical field of LED display screens, in particular to a box body connecting mechanism, a box body structure and an LED display screen.

Background

At present, along with the rapid development of the LED industry, the application environment of the LED display screen is more and more complex and diversified, so that the LED display screen is not only required to have universality, but also required to be assembled into different shapes according to the needs, spliced into a straight surface or an arc surface, and meanwhile, the rapid, safe and simple-operation splicing mode is required to be met as much as possible.

At present, in order to adapt to arc-shaped installation environments, a box assembly mechanism used on most LED display screen boxes in the market is a radian lock matched with a rotatable lockset, a lock rod of a traditional lockset is a polished rod, reverse rotation cannot be prevented, on one hand, the rotating angle of the lock rod is overlarge, an operator is misled, and the installation speed of the screen body is seriously influenced; on the other hand, the defect that the initial positions of the lock rods are opposite exists, the assembled box body needs to be detached after the assembly is reversed, and then the initial angle of the lock rods is adjusted to be installed again.

Disclosure of Invention

The utility model aims to provide a box body connecting mechanism, a box body structure and an LED display screen, which are used for solving the technical problems that the installation speed of the screen body is influenced due to the fact that the rotating angle of a lock rod is overlarge and the initial position of the lock rod is incorrect in the box body connecting mechanism in the prior art.

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

in a first aspect, there is provided a case connecting mechanism for connecting a first case and a second case, comprising:

the lock seat is used for being fixedly connected with the first box body and provided with a connecting hole;

the lock rod is connected with the connecting hole in a penetrating way and can rotate around the axis of the lock rod to be fixedly connected with the second box body;

the handle is in threaded connection with the lock rod and is used for abutting against the lock seat;

the locking rod is provided with a sliding groove, the hole wall of the connecting hole is provided with a clamping table which is arranged in the sliding groove in a sliding mode, and the central angle of the clamping table corresponding to the arc length in width is smaller than that of the sliding groove corresponding to the arc length in width, so that the locking rod rotates around a shaft within a preset angle range.

By adopting the technical scheme, the sliding groove on the lock rod is matched with the clamping table on the lock seat, so that the lock rod can only rotate around the shaft within a preset angle range, the rotatable angle of the lock rod is reduced, and the condition that an assembler needs to rotate the lock rod in a large angle to realize the connection between the first box body and the second box body is avoided; meanwhile, the clamping table is fixed on the hole wall of the connecting hole, the lock rod can stay at a first preset angle and a second preset angle through limiting the sliding groove, the lock rod is prevented from staying at any angle before assembly, so that an assembler can reversely assemble the lock rod, the lock rods of the plurality of box body connecting mechanisms can be set to be the same as the first preset angle and the second preset angle, the connection state of the lock rod is facilitated for the assembler to distinguish, and the reverse assembly of the lock rod by the assembler is further avoided; in addition, the handle can lock the lock rod after the first box body and the second box body are connected, and the handle rotates along with the rotation of the lock rod, so that the handle has certain directivity, and the possibility of reversely installing the lock rod by an assembler is reduced.

In one embodiment, the central angle of the sliding groove width corresponding to the arc length is in the range of 80 ° to 100 °.

Through adopting above-mentioned technical scheme, the assembler only need rotate the locking lever less angle can realize the connection between first box and the second box, has promoted assembler's packaging efficiency.

In one embodiment, the lock rod can move in a telescopic manner along the axial direction of the lock rod relative to the lock seat, and the sliding groove extends along the axial direction of the lock rod, so that the clamping table can be axially and slidably arranged in the sliding groove.

By adopting the technical scheme, the good matching between the sliding groove on the lock rod and the clamping table on the lock seat is ensured.

In one embodiment, the locking rod comprises a connecting part, a locking rod body, a threaded part and an operating part which are sequentially connected, wherein the connecting part is used for being connected with the second box body, the sliding groove is formed in the locking rod body, the threaded part is in threaded connection with the handle, and the operating part is used for rotating operation of an assembler.

By adopting the technical scheme, the lock rod is simple in structure and beneficial to the operation of assembly personnel.

In one embodiment, the connecting part is arranged on the lock rod body in a protruding mode, and the protruding direction of the connecting part is perpendicular to the axial direction of the lock rod body.

By adopting the technical scheme, the mode of connection between the first box body and the second box body is simple.

In one embodiment, the lock rod further comprises an elastic piece sleeved on the lock rod body, and two ends of the elastic piece are respectively abutted against the lock seat and the threaded portion.

By adopting the technical scheme, the operability of the lock rod is improved.

In one embodiment, the handle comprises a handle body and a handle deflector rod protruding on the handle body, the handle body is in threaded connection with the lock rod body, and the protruding direction of the handle deflector rod is parallel to the plane of the axis of the lock rod body.

By adopting the technical scheme, the operability of the handle is further improved.

In a second aspect, a box structure is provided, including a plurality of boxes and the above-mentioned box coupling mechanism, wherein two adjacent boxes one be first box, and another is the second box, box coupling mechanism connects first box with the second box.

By adopting the technical scheme, on the basis of having the advantages of the box connecting mechanism, the box structure of the embodiment also has the advantage of convenient connection operation.

In one embodiment, the second box is provided with a connecting groove for matching connection with the connecting part of the box connecting mechanism.

Through adopting above-mentioned technical scheme, connection structure between first box and the second box is simple, makes both easily connect.

In a third aspect, an LED display screen is provided, including a display structure and the above-mentioned box structure, the display structure is covered on the box structure.

By adopting the technical scheme, on the basis of having the advantages of the box structure, the LED display screen of the embodiment also has the advantage of convenient assembly.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a perspective view of a box structure provided by an embodiment of the present utility model before assembly;

FIG. 2 is a schematic view of a case connecting mechanism according to an embodiment of the present utility model mounted on a first case;

FIG. 3 is a perspective view of a case connecting mechanism in an unlocked state according to an embodiment of the present utility model;

FIG. 4 is an exploded view of a case connection mechanism provided by an embodiment of the present utility model;

fig. 5 is a perspective view of a connection state of a box body connection mechanism according to an embodiment of the present utility model.

The reference numerals in the drawings are as follows:

10. a box body connecting mechanism; 20. a first case; 30. a second case;

1. a lock base; 2. a lock lever; 3. a handle;

11. a connection hole; 21. a sliding groove; 22. a connection part; 23. a lock lever body; 24. a threaded portion; 25. an operation unit; 26. an elastic member; 31. a handle body; 32. a handle deflector rod;

111. a clamping table; 301. and a connecting groove.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the utility model is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected" to another element, it can be directly connected or indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing the utility model based on the orientation or positional relationship shown in the drawings, and are not to be construed as limiting the utility model, as the indicating device or element must have a particular orientation, be constructed and operated in a particular orientation.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating relative importance or indicating the number of technical features. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise. The following describes in more detail the specific implementation of the present utility model in connection with specific embodiments:

as shown in fig. 1, in the embodiment of the present utility model, a box connecting mechanism 10 is provided for connecting a first box 20 and a second box 30, where in this embodiment, the first box 20 and the second box 30 may have the same box structure, and the positions of the two boxes are distinguished by "first" and "second" respectively; the box body connecting mechanism 10 provided by the embodiment has high box body connecting speed, and can improve the user installation efficiency; the following description is made by way of specific embodiments:

as shown in fig. 2 to 4, the case connecting mechanism 10 includes: a lock seat 1, a lock rod 2 and a handle 3;

the lock seat 1 is used for being fixedly connected with the first box body 20, and the lock seat 1 is provided with a connecting hole 11; here, the lock base 1 is used for fixedly connecting the first casing 20 in a manner including, but not limited to, fastening connection, welding or bonding; the lock seat 1 is provided with a connecting hole 11 for the lock rod 2 to pass through;

the lock rod 2 is connected with the connecting hole 11 in a penetrating way, and the lock rod 2 can rotate around the axis of the lock rod 2 to be fixedly connected with the second box body 30; here, the lock lever 2 is used to connect the lock base 1 and the second casing 30, and when the lock lever 2 rotates around its own axis to a first preset angle, the lock lever 2 is connected with the second casing 30; when the lock lever 2 rotates around the axis thereof to a second preset angle, the lock lever 2 is unlocked from the second box 30;

a handle 3 in threaded connection with the lock rod 2 and for abutting against the lock base 1; referring to fig. 5, when the handle 3 approaches the lock base 1 and abuts against the lock base 1, the handle 3 depends on the acting force generated by the threaded connection between the lock bars 2 and the friction generated by the contact between the handle 3 and the lock base 1 to keep the lock bars 2 and the lock base 1 relatively fixed, so that the resistance of the lock bars 2 during rotation is increased, and the possibility of accidental rotation of the lock bars 2 is reduced;

the lock lever 2 is provided with a sliding groove 21, the hole wall of the connecting hole 11 is provided with a clamping table 111 which is slidably arranged in the sliding groove 21, and the central angle of the clamping table 111 corresponding to the arc length is smaller than that of the sliding groove 21, so that the lock lever 2 rotates around the shaft within a preset angle range.

Here, the lock lever 2 is provided with a sliding groove 21, and the connection hole 11 is provided with a clamping table 111, wherein the clamping table 111 is slidably arranged in the sliding groove 21 to limit the rotation angle of the lock lever 2, so that the lock lever 2 can only rotate around the shaft within a preset angle range;

specifically, the sliding groove 21 is formed along the circumferential direction of the lock rod 2, that is, the width direction of the sliding groove 21 is parallel to the circumferential direction of the lock rod 2, and at the same time, the central angle of the arc length corresponding to the width of the clamping table 111 is smaller than the central angle of the arc length corresponding to the width of the sliding groove 21, that is, the clamping table 111 can slide along the width direction of the sliding groove 21 relative to the sliding groove 21, and the sliding groove 21 is provided with a first limiting groove wall and a second limiting groove wall relative to the width direction, and under the limiting of the groove walls in the width direction, the clamping table 111 can only slide relatively for a limited distance, that is, the lock rod 2 rotates around the shaft within a preset angle range relative to the connecting hole 11; it should be further explained that, when the lock lever 2 drives the sliding groove 21 to rotate around the shaft until the first limiting groove wall abuts against the clamping table 111, the lock lever 2 is limited at the first preset angle; and when the lock rod 2 drives the sliding groove 21 to rotate around the shaft until the second limiting groove wall abuts against the clamping table 111, the lock rod 2 is limited at a second preset angle.

By adopting the technical scheme, the sliding groove 21 on the lock rod 2 is matched with the clamping table 111 on the lock seat 1, so that the lock rod 2 can only rotate around the shaft within a preset angle range, the rotatable angle of the lock rod 2 is reduced, and the condition that an assembler needs to rotate the lock rod 2 in a large angle to realize the connection between the first box body 20 and the second box body 30 is avoided; meanwhile, the clamping table 111 is fixed on the hole wall of the connecting hole 11, the lock rod 2 can stay at a first preset angle and a second preset angle through limiting the sliding groove 21, the lock rod 2 is prevented from staying at any angle before assembly, so that an assembler can reversely assemble the lock rod 2, the lock rods 2 of the plurality of box body connecting mechanisms 10 can be set to be the same first preset angle and the same second preset angle, the connection state of the lock rod 2 is facilitated to be distinguished by the assembler, and the reverse assembly of the lock rod 2 by the assembler is further prevented; in addition, the handle 3 can lock the lock lever 2 after connecting the first case 20 and the second case 30, and the handle 3 rotates along with the rotation of the lock lever 2, so that the handle has certain directivity, and the possibility of reversely installing the lock lever 2 by an assembler is reduced.

Further, the central angle of the width of the slide groove 21 corresponding to the arc length is in the range of 80 ° to 100 °.

It will be appreciated that the central angle of the width of the sliding groove 21 with respect to the arc length is preferably 90.

Through adopting above-mentioned technical scheme, the assembler only need rotate the locking lever 2 less angle can realize the connection between first box 20 and the second box 30, has promoted assembler's packaging efficiency.

Further, the lock lever 2 can move in a telescopic manner relative to the lock base 1 in the axial direction of the lock lever 2, and the slide groove 21 extends in the axial direction of the lock lever 2, so that the locking piece 111 can be slidably provided in the slide groove 21 in the axial direction.

Here, in the present embodiment, the lock lever 2 needs to be protruded with respect to the second casing 30 and inserted into the fixing groove of the second casing 30 to achieve connection with the second casing 30, and in order to achieve the telescopic operation of the lock lever 2 on the lock base 1, the lock lever 2 is disposed to be in clearance fit with the sliding hole; in order to keep the engagement between the clamping base 111 and the sliding groove 21 when the lock rod 2 stretches and contracts in the lock base 1, the sliding groove 21 is extended along the axial direction of the lock rod 2, so that the clamping base 111 and the sliding groove 21 can slide relatively in the width direction and also can slide relatively in the axial direction.

By adopting the above technical scheme, a good fit between the sliding groove 21 on the lock lever 2 and the clamping table 111 on the lock base 1 is ensured.

In one embodiment, the lock rod 2 includes a connecting portion 22, a lock rod body 23, a threaded portion 24 and an operating portion 25, which are sequentially connected, the connecting portion 22 is used for being connected with the second box 30, the lock rod body 23 is provided with a sliding groove 21, the threaded portion 24 is in threaded connection with the handle 3, and the operating portion 25 is used for rotating operation of an assembler.

It can be understood that the connecting portion 22 is configured to be disposed on a side of the lock base 1 near the second box 30, the lock rod body 23 is penetrated in the connecting hole 11, the threaded portion 24 is located at an end of the lock rod body 23 facing away from the connecting portion 22, the operating portion 25 is located at an end of the threaded portion 24 facing away from the lock rod body 23, and the operating portion 25 is provided with a non-slip protrusion for increasing friction force.

By adopting the technical scheme, the lock rod 2 is simple in structure and is beneficial to the operation of assembly personnel.

Further, the connecting portion 22 is protruded on the lock lever body 23, and the protruding direction of the connecting portion 22 is perpendicular to the axial direction of the lock lever body 23.

Here, the connection portion 22 is used to cooperate with the connection groove 301 on the second casing 30 to achieve connection of the first casing 20 and the second casing 30; specifically, the connecting groove 301 penetrates through the wall of the second box 30, the connecting groove 301 is matched with the connecting portion 22 in shape so that the connecting portion 22 can extend into the connecting groove 301 along the axial direction of the lock rod body 23 when rotating around the shaft to a first preset angle, after extending into the connecting groove 301, the lock rod body 23 can drive the connecting portion 22 to rotate around the shaft to a second preset angle, the connecting portion 22 and the connecting groove 301 are misplaced, and the protruding direction of the connecting portion 22 is perpendicular to the axial direction of the lock rod body 23, so that the connecting portion 22 cannot withdraw from the connecting groove 301 along the axial direction, and connection between the first box 20 and the second box 30 is achieved.

By adopting the above technical scheme, the mode of realizing the connection between the first box 20 and the second box 30 is simple.

Further, the lock lever 2 further includes an elastic member 26 sleeved on the lock lever body 23, and two ends of the elastic member 26 respectively abut against the lock seat 1 and the threaded portion 24.

It will be appreciated that the elastic member 26 is used to lock and reset the lock lever body 23; specifically, when the lock lever body 23 drives the connection part 22 to extend into the connection groove 301 and rotate to abut against the wall of the second box 30, the elastic force of the elastic member 26 drives the connection part 22 to abut against the wall of the second box 30, and the friction force generated by the abutting between the connection part and the connection part limits the rotation of the lock lever body 23, so that the possibility that the lock lever body 23 is accidentally rotated is reduced; when the lock lever body 23 drives the connection portion 22 to withdraw from the connection slot 301, the elastic force of the elastic member 26 is used to drive the lock lever body 23 to return.

By adopting the technical scheme, the operability of the lock rod 2 is improved.

In one embodiment, the handle 3 comprises a handle body 31 and a handle deflector 32 protruding from the handle body 31, wherein the handle body 31 is in threaded connection with the lock rod body 23, and the protruding direction of the handle deflector 32 is parallel to the plane of the axis of the lock rod body 23.

Here, in order to facilitate the operation of the assembler, the handle lever 32 is provided on the handle body 31, and the handle lever 32 has directivity, which can represent the rotation angle of the current lock lever 2, so that the assembler can recognize the same conveniently.

By adopting the technical scheme, the operability of the handle 3 is further improved.

In a second aspect, a box structure is provided, including a plurality of boxes and the box connecting mechanism 10 described above, wherein one of two adjacent boxes is a first box 20, the other is a second box 30, and the box connecting mechanism 10 connects the first box 20 and the second box 30.

By adopting the above technical scheme, on the basis of having the advantages of the above-mentioned box coupling mechanism 10, the box structure of this embodiment still has the advantage of connecting the simple operation.

In one embodiment, the second housing 30 is provided with a connection slot 301 for mating connection with the connection portion 22 of the housing connection mechanism 10.

It will be appreciated that the shape and size of the connecting groove 301 matches the shape and size of the connecting portion 22, so that the connecting portion 22 can just extend into the connecting groove 301 and can be locked in the connecting groove 301 after rotating by a predetermined angle.

By adopting the above technical scheme, the connection structure between the first box 20 and the second box 30 is simple, so that the first box 20 and the second box 30 are easy to connect.

In a third aspect, an LED display screen is provided, including a display structure and the above-mentioned box structure, the display structure is covered on the box structure.

By adopting the technical scheme, on the basis of having the advantages of the box structure, the LED display screen of the embodiment also has the advantage of convenient assembly.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A box coupling mechanism for connect first box and second box, its characterized in that includes:

the lock seat is used for being fixedly connected with the first box body and provided with a connecting hole;

the lock rod is connected with the connecting hole in a penetrating way and can rotate around the axis of the lock rod to be fixedly connected with the second box body;

the handle is in threaded connection with the lock rod and is used for abutting against the lock seat;

the locking rod is provided with a sliding groove, the hole wall of the connecting hole is provided with a clamping table which is arranged in the sliding groove in a sliding mode, and the central angle of the clamping table corresponding to the arc length in width is smaller than that of the sliding groove corresponding to the arc length in width, so that the locking rod rotates around a shaft within a preset angle range.

2. The case connecting mechanism according to claim 1, wherein a central angle of the sliding groove width corresponding to the arc length is in a range of 80 ° to 100 °.

3. The cabinet attachment mechanism as defined in claim 1, wherein said lock lever is capable of telescopic movement relative to said lock base in the axial direction thereof, and said slide groove extends in the axial direction of said lock lever, so that said clip is capable of being slidably disposed in said slide groove in the axial direction.

4. The box body connecting mechanism according to claim 3, wherein the lock rod comprises a connecting part, a lock rod body, a threaded part and an operating part which are sequentially connected, the connecting part is used for being connected with the second box body, the sliding groove is formed in the lock rod body, the threaded part is in threaded connection with the handle, and the operating part is used for rotating operation of assembly personnel.

5. The cabinet attachment mechanism as claimed in claim 4, wherein the attachment portion is provided protruding on the lock lever body, and a protruding direction of the attachment portion is perpendicular to an axial direction of the lock lever body.

6. The cabinet attachment mechanism as defined in claim 4, wherein the lock lever further comprises an elastic member fitted over the lock lever body, both ends of the elastic member being respectively abutted against the lock seat and the screw portion.

7. The case connecting mechanism as recited in claim 4, wherein the handle includes a handle body and a handle lever projecting from the handle body, the handle body being threadably coupled to the lock lever body, the direction of projection of the handle lever being parallel to a plane in which the axis of the lock lever body is located.

8. A tank structure comprising a plurality of tanks and the tank connecting mechanism according to any one of claims 1 to 7, wherein one of the two adjacent tanks is a first tank and the other is a second tank, and the tank connecting mechanism connects the first tank and the second tank.

9. The case structure according to claim 8, wherein the second case is provided with a connection groove for mating connection with the connection portion of the case connection mechanism.

10. An LED display screen comprising a display structure and the case structure of claim 8 or 9, wherein the display structure is covered on the case structure.

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