CN211016309U - Frame assembly and display screen assembly with same - Google Patents

Abstract

The utility model provides a frame subassembly and have its display screen subassembly, wherein, the frame subassembly, include: the frame comprises a first frame edge and a second frame edge which are oppositely arranged, wherein the first frame edge is provided with a first lock seat, and the second frame edge is provided with a second lock seat; the lock core assembly penetrates through the first lock seat and comprises a lock rod movably penetrating through the first lock seat and a driving piece for driving the lock rod to rotate, the driving piece is connected with the driving section and drives the lock rod to rotate so that the locking section can be positioned at a locking position or an unlocking position, a first wedge block is arranged on the end face, facing the first lock seat, of the driving piece, and a second wedge block capable of being in butt fit with the first wedge block is arranged on the first lock seat; the stop piece is arranged on the second lock seat, an avoiding space for avoiding the locking section is arranged on the second lock seat, and a lock hole is formed in the stop piece. The technical scheme of the application effectively solves the problem that the connecting lock in the related technology is difficult to unlock.

Description

Frame assembly and display screen assembly with same

Technical Field

The utility model relates to an L ED shows the field, particularly, relates to a frame subassembly and have its display screen subassembly.

Background

L ED display screen is a flat panel display, is the equipment that is used for information such as display text, image, video and video recording signal, because L ED display screen can extend wantonly, realizes seamless concatenation, and operating duration is long, can use interactive technology, and display effect is good, consequently is used widely in places such as airport, market, hotel, high-speed railway, subway, cinema, exhibition, office building.

The L ED lease display screen frame connecting lock in the related art is used for connecting two adjacent frames, wherein the connecting lock comprises a male lock and a female lock, a lock head of the male lock is driven, and the lock head is matched with the female lock to realize the connection of the male lock and the female lock.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a main aim at provides a frame subassembly and have its display screen subassembly to solve the problem that the connection lock among the correlation technique is difficult to realize unblanking.

In order to achieve the above object, according to an aspect of the present invention, there is provided a frame assembly including: the frame comprises a first frame edge and a second frame edge which are oppositely arranged, wherein the first frame edge is provided with a first lock seat, and the second frame edge is provided with a second lock seat; the lock core assembly penetrates through the first lock seat and comprises a lock rod movably penetrating through the first lock seat and a driving piece for driving the lock rod to rotate, the lock rod comprises a driving section and a locking section, the driving piece is connected with the driving section and drives the lock rod to rotate so as to enable the locking section to be located at a locking position or an unlocking position, a first wedge block is arranged on the end face, facing the first lock seat, of the driving piece, and a second wedge block capable of being in butt fit with the first wedge block is arranged on the first lock seat; the stop piece is arranged on the second lock seat, an avoiding space for avoiding the locking section is arranged on the second lock seat, and a lock hole is formed in the stop piece.

Further, first lock base includes the lock base body and sets up the lock sleeve on the lock base body, be provided with the inside and outside first through-hole that runs through the lock base body on the lock base body, the axis of the first frame limit of axis perpendicular to of first through-hole, the lock sleeve is installed in first through-hole, partly protrusion in first through-hole of lock sleeve, be provided with the second through-hole that is linked together with first through-hole on the first frame limit, the second voussoir sets up on the lock sleeve, the locking lever is worn to establish in lock sleeve, first through-hole and second through-hole.

Further, the locking lever is still including connecting the interlude between drive section and locking section, is provided with rectangular hole between interlude and the drive section, and the lock core subassembly is still including wearing to establish the spring plunger on first lock base, and spring plunger's axis perpendicular to or the axis of slope in interlude, spring plunger's bulb can block on rectangular hole.

Further, spring plunger includes two of relative setting, and rectangular hole includes a plurality ofly, and a plurality of rectangular holes are arranged along the circumference interval of interlude, and two spring plunger's bulb blocks respectively in two rectangular downthehole relatively setting.

Furthermore, be provided with the recess between interlude and the locking section, lock core subassembly still includes the locating part of wearing to establish on first lock base, and a part of locating part stretches into in the recess and can with the cooperation of the groove lateral wall backstop of recess.

Furthermore, the recess is the arc wall, and the central angle that the arc wall corresponds is 90 degrees, and the locating part is spacing screw.

Further, be provided with the cavity on the second lock seat, the stopper is installed in the cavity, dodges space and cavity intercommunication, and the locking section includes the spliced pole and sets up the jam plate on the spliced pole, dodges the space and dodges the jam plate.

Furthermore, the driving piece is a handle, the handle comprises a handle body and a handle head connected with the handle body, and the first wedge block is arranged on the end face, facing the first lock seat, of the handle head.

Furthermore, the lock cylinder assembly further comprises a bearing which is sleeved on the lock rod and penetrates through the first lock base.

According to another aspect of the present invention, there is provided a display screen assembly, including a plurality of interconnected frame assemblies, the frame assembly is the above-mentioned frame assembly, one of two adjacent frame assemblies is a first frame assembly, the other frame assembly is a second frame assembly, and when the locking section of the first frame assembly is located at the locking position, the locking section of the first frame assembly cooperates with the stop member of the second frame assembly.

Use the technical scheme of the utility model, frame subassembly includes: a frame, a plug assembly and a stop. The frame comprises a first frame edge and a second frame edge which are oppositely arranged. The first frame edge is provided with a first lock seat. The second frame edge is provided with a second lock seat. The lock core component is arranged on the first lock seat in a penetrating mode. The lock core assembly comprises a lock rod movably arranged in the first lock seat in a penetrating mode and a driving piece for driving the lock rod to rotate. The locking bar includes a driving section and a locking section. The driving piece is connected with the driving section and drives the lock rod to rotate, so that the locking section can be in a locking position or an unlocking position. The end face of the driving piece facing the first lock seat is provided with a first wedge block. The first lock seat is provided with a second wedge block which can be in butt fit with the first wedge block. The stop piece is arranged on the second lock seat, an avoiding space for avoiding the locking section is arranged on the second lock seat, and a lock hole is formed in the stop piece. In the process of connecting the two frame assemblies, the driving piece of one frame assembly is operated so that the locking section can penetrate through the lock hole and the avoiding space of the other frame assembly. When first voussoir and second voussoir butt cooperation, and the locking section passes the lockhole and lie in dodging the space in, the locking section is backstopped by the stop part, and the locking section is in the locking position, and at this moment, two frame assembly can link together. When the locking section is required to be switched from the locking position to the unlocking position, the driving piece needs to be rotated. Because the first wedge block is arranged on the driving piece, the first wedge block rotates along with the driving piece and is separated from the second wedge block, so that the lock rod can be withdrawn from the lock hole. The situation that the spring structure is pressed to be dead in the related art does not exist in the position switching process, the locking section is easily switched to the unlocking position, and the separation of the lock core assembly and the stop piece is facilitated. Therefore, the technical scheme of the application effectively solves the problem that the connecting lock in the related technology is difficult to unlock.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic front view of an embodiment of a frame assembly according to the invention;

FIG. 2 illustrates an exploded view of the first keyway and plug assembly of the frame assembly of FIG. 1;

FIG. 3 shows an exploded view of the second latch bracket and stop of the frame assembly of FIG. 1;

FIG. 4 is an exploded view of the first lock housing and plug assembly of FIG. 1 at another angle;

FIG. 5 shows a partial schematic view of another angled first keyway and plug assembly of the frame assembly of FIG. 4;

FIG. 6 shows a perspective view of a lock sleeve of the frame assembly of FIG. 1;

FIG. 7 illustrates a perspective view of the locking bar of the frame assembly of FIG. 1;

fig. 8 shows a schematic front view of an embodiment of a display screen assembly according to the invention;

FIG. 9 illustrates a partial schematic view of the display screen assembly of FIG. 8;

FIG. 10 shows a cross-sectional schematic view of the display screen assembly of FIG. 8;

FIG. 11 shows an enlarged schematic view at A of the display screen assembly of FIG. 10;

FIG. 12 shows a schematic cross-sectional view of another location of the display screen assembly of FIG. 8;

FIG. 13 shows an enlarged schematic view at B of the display screen assembly of FIG. 12;

FIG. 14 is a cross-sectional schematic view of the locking section of the display screen assembly of FIG. 8 in a locked position;

FIG. 15 shows an enlarged schematic view at C of the display screen assembly of FIG. 14; and

FIG. 16 shows an enlarged schematic view at D of the display screen assembly of FIG. 15.

Wherein the figures include the following reference numerals:

1. a frame assembly; 10. a frame; 11. a first frame side; 12. a second frame side; 20. a first lock base; 21. a second wedge; 22. a lock base body; 221. a first through hole; 23. a lock sleeve; 30. a second lock seat; 31. avoiding a space; 32. a concave cavity; 40. a plug assembly; 41. a lock lever; 411. a drive section; 412. a locking section; 413. a middle section; 4131. a strip hole; 4132. a groove; 4121. connecting columns; 4122. a locking plate; 42. a drive member; 421. a handle body; 422. a handle head; 423. a first wedge; 43. a spring plunger; 44. a limiting member; 45. a bearing; 46. a first fastener; 47. a first pin; 50. a stopper; 51. a lock hole; 61. a second pin; 62. a second fastener.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

Unless specifically stated otherwise, the relative arrangement of the components and steps, the numerical expressions, and numerical values set forth in these embodiments do not limit the scope of the present invention. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

As shown in fig. 1 to 6, 8 and 9, the frame assembly of the present embodiment includes: frame 10, plug assembly 40 and stop 50. The frame 10 includes a first frame edge 11 and a second frame edge 12 disposed opposite to each other. The first frame edge 11 is provided with a first lock seat 20. The second frame edge 12 is provided with a second locking seat 30. The plug assembly 40 is inserted into the first seat 20. The plug assembly 40 includes a locking rod 41 movably inserted into the first lock housing 20 and a driving member 42 for driving the locking rod 41 to rotate. The locking bar 41 includes a driving section 411 and a locking section 412. The driving member 42 is connected to the driving section 411 and drives the locking lever 41 to rotate so that the locking section 412 can be in the locking position or the unlocking position. A first wedge 423 is provided on an end face of the driver 42 facing the first lock holder 20. The first lock holder 20 is provided with a second wedge 21 that can be brought into contact with and engaged with the first wedge 423. The stopper 50 is disposed on the second lock housing 30, the second lock housing 30 is provided with an escape space 31 for escaping the locking section 412, and the stopper 50 is provided with a lock hole 51.

With the technical solution of the present embodiment, the driving element 42 is connected to the driving section 411 and drives the locking bar 41 to rotate, so that the locking section 412 can be in the locking position or the unlocking position. A first wedge 423 is provided on an end face of the driver 42 facing the first lock holder 20. The first lock holder 20 is provided with a second wedge 21 that can be brought into contact with and engaged with the first wedge 423. The stopper 50 is disposed on the second lock housing 30, the second lock housing 30 is provided with an escape space 31 for escaping the locking section 412, and the stopper 50 is provided with a lock hole 51. During the connection of the two frame assemblies, the driving member 42 of one frame assembly is operated to enable the locking section 412 to be inserted into the locking hole 51 and the avoiding space 31 of the other frame assembly. When the first wedge 423 is in abutting engagement with the second wedge 21 and the locking section 412 passes through the lock hole 51 and is located in the escape space 31, the locking section 412 is stopped by the stopper 50, and the locking section 412 is in a locking position, so that the two frame assemblies can be connected together. During the switching of the locking section 412 from the locking position into the unlocking position, the driver needs to be rotated. Since the first wedge 423 is provided on the driver 42, the first wedge 423 rotates together with the driver 42 and disengages from the second wedge 21, so that the lock lever 41 can be withdrawn from the lock hole. In the above position switching process, there is no situation that the spring structure is pressed to be dead in the related art, and the locking section 412 is easily switched to the unlocking position, so that the lock cylinder assembly 40 is conveniently separated from the stopper 50. Therefore, the technical scheme of the embodiment effectively solves the problem that the connecting lock in the related art is difficult to unlock.

Preferably, the first frame 11 is provided with a plurality of third through holes, the first lock holder 20 is provided with a plurality of fourth through holes, the frame assembly further includes a plurality of second pins 61, and a portion of the second pins 61 is inserted into the fourth through holes of the third through holes too hard, so as to fix the first lock holder 20 on the first frame 11.

A plurality of fifth through holes are formed in the second frame edge 12, a plurality of sixth through holes are formed in the second lock holder 30, and a part of the second pins 61 penetrate through the sixth through holes of the fifth through holes too hard, so that the second lock holder 30 is fixed on the second frame edge 12.

As shown in fig. 6, 9 and 11, in the present embodiment, the first lock holder 20 includes a lock holder body 22 and a lock sleeve 23 disposed on the lock holder body 22, and the lock holder body 22 is provided with a first through hole 221 penetrating through the lock holder body 22. The axis of the first through hole 221 is perpendicular to the axis of the first frame edge 11, and the lock sleeve 23 is installed in the first through hole 221. A part of the lock sleeve 23 protrudes from the first through hole 221, a second through hole communicated with the first through hole 221 is formed in the first frame edge 11, and the second wedge 21 is arranged on the lock sleeve 23. The lock rod 41 is inserted into the lock sleeve 23, the first through hole 221 and the second through hole. The first through hole 221 enables the lock holder body 22 to escape from the lock rod 41, and the second through hole enables the first frame edge 11 to escape from the lock rod 41, so that the lock rod 41 can conveniently pass through the lock holder body 22 and the first frame edge 11. The lock sleeve 23 and the lock base body 22 are two separate parts, so that the second wedge 21 on the lock sleeve 23 is simpler and is convenient to form. Specifically, a first mounting hole is formed in the first lock holder 20, a second mounting hole corresponding to the first mounting hole is formed in the lock sleeve 23, and the lock core assembly 40 further includes a plurality of first pins 47, wherein the first pins 47 are arranged in the first mounting hole and the second mounting hole in a penetrating manner so as to fix the lock sleeve 23 in the first through hole 221.

As shown in fig. 4, 9 and 15, in the present embodiment, the locking lever 41 further includes an intermediate section 413 connected between the driving section 411 and the locking section 412. A long hole 4131 is arranged between the middle section 413 and the driving section 411, the plug assembly 40 further includes a spring plunger 43 penetrating the first lock base 20, an axis of the spring plunger 43 is perpendicular to an axis of the middle section 413, and a ball head of the spring plunger 43 can be clamped on the long hole 4131. During the movement of the driving section 411, the ball of the spring plunger 43 can move in the elongated hole 4131 along the length direction of the middle section, and meanwhile, the ball of the spring plunger 43 can limit the rotation of the driving section 411 in the circumferential direction by matching with the elongated hole 4131. When the ball of the spring plunger 43 can be clamped on the elongated hole 4131, the locking section 412 can be kept at the locking position or the unlocking position, and the positioning and limiting purposes are achieved. Preferably, the lock sleeve 23 is provided with an avoiding hole through which the avoiding spring plunger 43 passes. The first lock holder 20 is provided with a threaded hole for engagement with the spring plunger 43.

When hot, in other embodiments not shown in the figures, the axis of the spring plunger is inclined to the axis of the middle section, and the ball of the spring plunger can be clamped in the elongated hole. The inclination angle of the axis of the spring plunger relative to the axis of the middle section can be determined according to actual conditions, and the ball head of the spring plunger can be clamped in the strip hole.

As shown in fig. 4, 7 and 15, in the present embodiment, the spring plunger 43 includes two oppositely disposed. The elongated hole 4131 includes a plurality. A plurality of elongated holes 4131 are arranged at intervals in the circumferential direction of the intermediate section 413, and the ball heads of the two spring plungers 43 are respectively caught in the two elongated holes 4131 provided oppositely. In this way, in the process of the rotation of the intermediate section 413, the locking section 412 can be stably kept at the locking position or the unlocking position, so that the driving member 42 is convenient to operate and high in reliability, and further, the switching speed of the locking section 412 between the locking position and the unlocking position is higher.

As shown in fig. 9 to 16, in the present embodiment, a groove 4132 is provided between the intermediate section 413 and the locking section 412. The plug assembly 40 further includes a retaining member 44 disposed through the first lock base 20. A portion of the retaining member 44 extends into the groove 4132 and is capable of engaging with the groove sidewall stop of the groove 4132. The groove 4132 cooperates with the stopper 44 to limit the rotation of the intermediate segment 413 in the circumferential direction and the movement of the intermediate segment 413 in the axial direction, and prevent the intermediate segment 413 from being separated from the first lock holder 20, so that the intermediate segment 413 has a degree of freedom in which the stopper 44 is located within a range surrounded by the groove side walls of the groove 4132.

As shown in fig. 13, in the present embodiment, the groove 4132 is an arc-shaped groove, a central angle corresponding to the arc-shaped groove is 90 degrees, and the limiting member 44 is a limiting screw. Preferably, the first lock holder 20 is provided with a screw hole for the limiting screw to pass through. The central angle that the arc wall corresponds can carry out effectual spacing to the active region of interlude 413 for 90 degrees, when locking section 412 is in locking position or unlocking position, avoids spacing screw to exceed the active region of injecing for interlude 413 appears becoming flexible easily, and then has avoided locking section 412 to exist not hard up the condition when being in locking position or unlocking position.

As shown in fig. 3, 7 and 11, in the present embodiment, the second lock housing 30 is provided with a cavity 32, and the stopper 50 is installed in the cavity 32, and the cavity 32 is provided to allow the stopper 50 to have a certain installation position, so that the stopper 50 can be installed smoothly. The escape space 31 communicates with the cavity 32. The locking section 412 includes a connection column 4121 and a locking plate 4122 provided on the connection column 4121, and the escape space 31 escapes from the locking plate 4122. When the locking section 412 is in the locking position, the connecting column 4121 is inserted into the locking hole 51, and the locking plate 4122 is located in the avoiding space 31 and is matched with the end face stop of the stop member 50 facing the second lock seat 30.

Preferably, the outer sidewall of the lock plate 4122 includes a first plane section and a first arc section, and when the locking section 412 is in the unlocking position, the hole wall of the lock hole 51 includes a second plane section corresponding to the first plane section and a second arc section corresponding to the first arc section. The cavity wall of the cavity 32 is provided with a screw hole, the stop member 50 is provided with a connecting hole corresponding to the screw hole, and the frame assembly further comprises a second fastener 62 penetrating through the connecting hole and the screw hole so as to fix the stop member 50 in the cavity 32. The second fastener 62 is preferably a screw.

As shown in fig. 2 and 16, in the present embodiment, the driving member 42 is a handle, the handle includes a handle body 421 and a handle head 422 connected to the handle body 421, and the first wedge 423 is disposed on an end surface of the handle head 422 facing the first lock holder 20. The handle 421 is provided to facilitate the grip of the operator. The driving section 411 is provided with a screw hole, the handle body 421 is provided with a first via hole corresponding to the screw hole, the handle head 422 is provided with a second via hole communicated with the first via hole, and the frame assembly further comprises a first fastener 46 penetrating through the first via hole, the second via hole and the screw hole to fix the handle and the driving section 411 together. The first fasteners 46 are preferably screws.

As shown in fig. 2 and 16, in the present embodiment, the plug assembly 40 further includes a bearing 45 disposed on the lock rod 41 and penetrating the first lock seat 20. The bearing 45 can reduce friction between the lock lever 41 and the first lock holder 20, so that the lock lever 41 can rotate in the first lock holder 20. The bearing 45 is riveted in the first through hole 221 and is arranged in a staggered manner with the limiting piece 44.

The present application further provides a display screen assembly, as shown in fig. 8 to 11, in this embodiment, the display screen assembly includes a plurality of frame assemblies 1 connected to each other, the frame assemblies are the above-mentioned frame assemblies, one frame assembly 1 of two adjacent frame assemblies 1 is a first frame assembly, the other frame assembly 1 is a second frame assembly, and when the locking section 412 of the first frame assembly is in the locking position, the locking section 412 of the first frame assembly is in stop fit with the stop member 50 of the second frame assembly. The display screen assembly effectively solves the problem that the connecting lock in the related art is difficult to unlock.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and if not stated otherwise, the terms have no special meaning, and therefore, the scope of the present invention should not be construed as being limited.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A frame assembly, comprising:

the frame (10) comprises a first frame edge (11) and a second frame edge (12) which are oppositely arranged, wherein a first lock seat (20) is arranged on the first frame edge (11), and a second lock seat (30) is arranged on the second frame edge (12);

the locking core assembly (40) is arranged on the first lock seat (20) in a penetrating mode, the locking core assembly (40) comprises a locking rod (41) movably arranged in the first lock seat (20) in a penetrating mode and a driving piece (42) for driving the locking rod (41) to rotate, the locking rod (41) comprises a driving section (411) and a locking section (412), the driving piece (42) is connected with the driving section (411) and drives the locking rod (41) to rotate, so that the locking section (412) can be located at a locking position or an unlocking position, a first wedge block (423) is arranged on the end face, facing the first lock seat (20), of the driving piece (42), a second wedge block (21) capable of being matched with the first wedge block (423) in a propping mode is arranged on the first lock seat (20);

the stop piece (50) is arranged on the second lock seat (30), an avoiding space (31) for avoiding the locking section (412) is arranged on the second lock seat (30), and a lock hole (51) is arranged on the stop piece (50).

2. The frame assembly according to claim 1, characterized in that the first lock housing (20) comprises a lock housing body (22) and a lock sleeve (23) arranged on the lock housing body (22), the lock seat body (22) is provided with a first through hole (221) which penetrates through the inside and the outside of the lock seat body (22), the axis of the first through hole (221) is perpendicular to the axis of the first frame edge (11), the lock sleeve (23) is arranged in the first through hole (221), a part of the lock sleeve (23) protrudes out of the first through hole (221), the first frame edge (11) is provided with a second through hole communicated with the first through hole (221), the second wedge block (21) is arranged on the lock sleeve (23), and the lock rod (41) penetrates through the lock sleeve (23), the first through hole (221) and the second through hole.

3. The frame assembly according to claim 1, wherein the locking rod (41) further comprises an intermediate section (413) connected between the driving section (411) and the locking section (412), a long hole (4131) is arranged between the intermediate section (413) and the driving section (411), the plug assembly (40) further comprises a spring plunger (43) arranged on the first lock base (20) in a penetrating manner, an axis of the spring plunger (43) is perpendicular to or inclined to an axis of the intermediate section (413), and a ball head of the spring plunger (43) can be clamped on the long hole (4131).

4. The frame assembly according to claim 3, wherein the spring plunger (43) comprises two oppositely disposed elongated holes (4131), the elongated holes (4131) comprise a plurality of elongated holes (4131) arranged at intervals along the circumference of the middle section (413), and the ball heads of the two spring plungers (43) are respectively caught in the two oppositely disposed elongated holes (4131).

5. The frame assembly according to claim 3, wherein a groove (4132) is provided between the middle section (413) and the locking section (412), and the plug assembly (40) further comprises a retaining member (44) inserted into the first lock seat (20), and a portion of the retaining member (44) extends into the groove (4132) and is capable of being engaged with a groove sidewall stop of the groove (4132).

6. The frame assembly according to claim 5, wherein the groove (4132) is an arc-shaped slot having a corresponding central angle of 90 degrees, and the retaining member (44) is a retaining screw.

7. The frame assembly according to claim 1, wherein a cavity (32) is provided on the second lock seat (30), the stopper (50) is mounted in the cavity (32), the escape space (31) communicates with the cavity (32), the locking section (412) includes a connection post (4121) and a lock plate (4122) provided on the connection post (4121), and the escape space (31) escapes the lock plate (4122).

8. The frame assembly according to claim 1, characterized in that the driving member (42) is a handle, the handle comprises a handle body (421) and a handle head (422) connected to the handle body (421), and the first wedge (423) is disposed on an end surface of the handle head (422) facing the first lock seat (20).

9. The frame assembly according to claim 1, wherein the lock cylinder assembly (40) further comprises a bearing (45) sleeved on the lock rod (41) and inserted into the first lock seat (20).

10. A display screen assembly comprising a plurality of interconnected frame assemblies (1), wherein the frame assemblies are according to any one of claims 1 to 9, wherein one of the frame assemblies (1) of two adjacent frame assemblies (1) is a first frame assembly and the other frame assembly (1) is a second frame assembly, and wherein the locking section (412) of the first frame assembly is in a locking position in a stop engagement with a stop (50) of the second frame assembly.

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