CN219609932U - Display module - Google Patents

Abstract

The utility model relates to the technical field of display modules, in particular to a display module. The display module assembly includes casing, back locking strip, retaining member and lamp plate. The top of the shell is internally recessed with a mounting groove, and the length of the mounting groove extends along the first direction and forms an opening on the side wall of the shell along the first direction. The back locking strip is in locking connection with the lamp panel through the locking piece, slides into the mounting groove through the opening and is in clamping fit with the mounting groove so as to lock the lamp panel and the shell; or the back locking strip slides out of the mounting groove through the opening and is separated from the mounting groove in a clamping way so as to separate the lamp panel from the shell. Through the mounting groove in the back of body locking strip roll-in or roll-off casing, realized the quick assembly disassembly of lamp plate on the casing, improved the dismouting efficiency of lamp plate. Simultaneously, the back locking strip is fixedly connected with the shell in a clamping manner, the locking piece is not required to be detached, the matching structure of the locking piece and the lamp panel is prevented from being damaged in the disassembling and assembling process, so that the lamp panel can be disassembled and assembled on the shell for multiple times, and the safety of the lamp panel is improved.

Description

Display module

Technical Field

The utility model relates to the technical field of display modules, in particular to a display module.

Background

The housing of the display module and the lamp panel are typically mounted together by fasteners such as bolts. Wherein the shell is a plastic shell or a metal shell formed by die casting so as to support and fix the lamp panel. The upper surface of the lamp panel (generally a PCB) is provided with a plurality of LED lamp beads, and the lower surface of the lamp panel is provided with electronic components such as a driving chip.

The existing display module, such as a novel back-screwed LED display module disclosed in the application No. CN201620493490.8, is provided with a through hole on the shell, and is locked in the fixing hole of the LED lamp panel by a bolt passing through the through hole. The problems are: the LED lamp panel is generally made of resin and glass fiber, and the material strength is low. When the display module assembly needs to be disassembled and maintained, the repeated disassembly and assembly process of the bolts easily causes the fixing holes on the lamp panel to be damaged. When the bolt is screwed again after maintenance is finished, the tooth is easy to slide, so that the shell and the LED lamp panel cannot be locked, and the display module has only one or two maintenance opportunities at most. Meanwhile, a plurality of bolts are arranged between the LED lamp panel and the shell, so that the disassembly and assembly workload of the lamp panel is increased, and the disassembly and assembly efficiency is reduced.

Disclosure of Invention

The utility model aims to provide a display module to realize repeated disassembly and assembly of a lamp panel on a shell and improve the disassembly and assembly efficiency of the lamp panel.

The technical scheme adopted by the utility model is as follows:

a display module, comprising:

the top end of the shell is internally provided with a mounting groove, the length of the mounting groove extends along a first direction, and an opening is formed in the side wall of the shell along the first direction;

the back lock bar is locked and connected with the lamp panel through the locking piece, slides into the mounting groove through the opening and is in clamping fit with the mounting groove so as to lock the lamp panel and the shell; or the back locking strip slides out of the mounting groove through the opening and is separated from the mounting groove in a clamping way so as to separate the lamp panel from the shell.

As a preferable scheme, the mounting groove at least comprises a first groove body and a second groove body which are arranged up and down and are communicated, and the groove width of the first groove body is larger than that of the second groove body so as to form a first step surface between the first groove body and the second groove body;

the back locking strip is matched with the mounting groove and is provided with a second step surface, and the first step surface can be abutted against the second step surface.

As a preferable scheme, the first groove body and the second groove body are enclosed to form a T-shaped groove; the back locking strip is correspondingly a T-shaped strip.

As a preferable scheme, the display module further comprises a limiting piece, wherein the limiting piece is movably arranged at the opening of the mounting groove and is switched between a locking position and an avoiding position; the limiting piece positioned at the avoiding position is withdrawn from the mounting groove, so that the back locking bar can slide into or slide out of the mounting groove; the limiting piece located at the locking position stretches into the mounting groove to tightly prop against the end face, close to the opening, of the back locking strip.

As a preferable scheme, the limiting piece comprises a movable tongue and a top block, wherein one end of the movable tongue is provided with the top block, and the other end of the movable tongue is movably connected with the bottom wall of the mounting groove;

the back locking strip sliding in or out of the mounting groove is propped against the top block and presses the top block into the avoiding position; the top block which is reset to the locking position stretches into the mounting groove and can abut against the end face, close to the opening, of the back locking strip.

As a preferable scheme, a plurality of first holes are formed in the back locking strip along the first direction at intervals, a plurality of second holes are correspondingly formed in the lamp panel, and the locking piece can sequentially penetrate through the first holes and the second holes which are coaxial, so that the back locking strip is locked and connected with the lamp panel.

Preferably, the locking member is a bolt, the second hole is a threaded hole, and the bolt passes through the first hole and is in threaded connection with the second hole coaxially arranged.

As a preferable scheme, the first hole comprises a third hole and a fourth hole which are communicated, the locking piece sequentially penetrates through the third hole, the fourth hole and the second hole, and the end part of the locking piece in the third hole is lower than or flush with the lower end face of the back locking strip.

Preferably, the first holes have a pitch of 30mm to 50mm along the longitudinal direction of the back lock bar.

Preferably, the back locking strip is a plastic strip.

The beneficial effects of the utility model are as follows:

the utility model provides a display module which comprises a shell, a back locking bar, a locking piece and a lamp panel. When the lamp panel needs to be maintained and detached, the back locking strip slides out of the mounting groove through the opening and is separated from the mounting groove in a clamping manner, so that the lamp panel and the shell are separated, and the lamp panel is detached. After the lamp panel is maintained, the back locking strip slides into the mounting groove through the opening again and is matched with the mounting groove in a clamping way, so that the lamp panel and the shell are locked, and the lamp panel is assembled. Through the mounting groove in the back of body locking strip roll-in or roll-off casing, realized the quick assembly disassembly of lamp plate on the casing, improved the dismouting efficiency of lamp plate. Simultaneously, the back locking strip is fixedly connected with the shell in a clamping manner, the locking piece is not required to be detached, the matching structure of the locking piece and the lamp panel is prevented from being damaged in the disassembling and assembling process, so that the lamp panel can be disassembled and assembled on the shell for multiple times, and the safety of the lamp panel is improved.

Drawings

Fig. 1 is a front view of a display module according to an embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic diagram illustrating an assembly structure of a back lock bar and a lamp panel according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a back lock bar according to an embodiment of the present utility model;

fig. 5 is a sectional view taken along the direction B-B in fig. 3.

The parts in the figures are named and numbered as follows:

1. a housing; 11. a mounting groove; 111. a first tank body; 112. a second tank body; 110. a first step surface;

2. a back locking bar; 21. a second step surface; 22. a first hole; 221. a third hole; 222. a fourth hole; 3. a locking member; 4. a lamp panel; 40. and a second hole.

Detailed Description

In order to make the technical problems solved, the technical scheme adopted and the technical effects achieved by the utility model more clear, the technical scheme of the utility model is further described below by a specific embodiment in combination with the attached drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

The existing display module generally comprises a shell and a lamp panel, the lamp panel is generally a PCB, a plurality of LED lamp beads are arranged on the upper surface of the lamp panel, and the shell is fixedly assembled with the lamp panel through bolts. Because the bolts need to be locked with the lamp panel, and the lamp panel is generally made of resin and glass fiber, the material strength is low. When the lamp panel needs to be disassembled and maintained, the repeated disassembling process of the bolt can easily lead the fixing hole of the lamp panel, which is screwed with the bolt, to be damaged, so that the shell and the lamp panel can not be locked, and the maintenance times of the lamp panel are limited. Meanwhile, a plurality of bolts are arranged between the lamp panel and the shell, so that the disassembly and assembly workload of the lamp panel is increased, and the disassembly and assembly efficiency is reduced.

In order to solve the above-mentioned problems, as shown in fig. 1 to 3, the present embodiment provides a display module, which includes a housing 1, a back locking bar 2, a locking member 3, and a lamp panel 4. The top end of the housing 1 is recessed with a mounting groove 11, and the length of the mounting groove 11 extends in a first direction (front-rear direction in the drawing) and forms an opening in a side wall of the housing 1 in the first direction. The back locking strip 2 is in locking connection with the lamp panel 4 through the locking piece 3, and the back locking strip 2 slides into the mounting groove 11 through the opening and is in clamping fit with the mounting groove 11 so as to lock the lamp panel 4 and the shell 1; or, the back locking bar 2 slides out of the mounting groove 11 through the opening and is separated from the mounting groove 11 to be clamped, so that the lamp panel 4 and the shell 1 are separated.

The back locking bar 2 of the embodiment is locked and connected with the lamp panel 4 through the locking piece 3. When the lamp panel 4 needs to be maintained and detached, the back locking strip 2 slides out of the mounting groove 11 through the opening and is separated from the mounting groove 11 to be clamped, so that the lamp panel 4 is detached. After the maintenance of the lamp panel 4 is completed, the back locking strip 2 slides into the mounting groove 11 through the opening again and is matched with the mounting groove 11 in a clamping way so as to lock the lamp panel 4 and the shell 1, thereby completing the assembly of the lamp panel 4. Through the mounting groove 11 in the back locking strip 2 slide in or slide out of the shell 1, the lamp panel 4 can be quickly disassembled and assembled on the shell 1, and the disassembly and assembly efficiency of the lamp panel 4 is improved. Simultaneously, back of body locking bar 2 passes through joint mode and casing 1 fixed connection, need not to dismantle retaining member 3, avoids the dismouting process to destroy the cooperation structure of retaining member 3 and lamp plate 4 to make lamp plate 4 can dismouting many times on casing 1, improved the security of lamp plate 4.

As shown in fig. 1 and 3, a plurality of lamp beads are uniformly distributed on the upper surface of the lamp panel 4, and a plurality of back locking strips 2 are installed at intervals along the length direction of the lower end of the lamp panel 4. Correspondingly, the shell 1 is provided with a plurality of mounting grooves 11, and each back locking strip 2 can be slidably mounted in one of the mounting grooves 11, so that the stability of the lamp panel 4 in the dismounting process is improved. When the back lock bar 2 is slid into the mounting groove 11 through the opening in the first direction (front-rear direction), the lamp panel 4 can be mounted on the upper end face of the housing 1. When the back locking bar 2 slides out of the mounting groove 11 through the opening, the lamp panel 4 can be detached from the shell 1, so that the lamp panel 4 can be maintained conveniently. The lamp plate 4 has realized the quick assembly disassembly with casing 1 through the slip mode of back locking strip 2, and need not to dismantle retaining member 3 and lamp plate 4 separation, has improved the dismouting efficiency of lamp plate 4.

As shown in fig. 3 to 5, a plurality of first holes 22 are spaced apart along a first direction on the back locking strip 2, a plurality of second holes 40 are correspondingly formed on the lamp panel 4, and the locking member 3 can sequentially penetrate through the coaxial first holes 22 and the second holes 40, so that the back locking strip 2 is locked and connected with the lamp panel 4. Every back locking strip 2 is as an organic whole with lamp plate 4 fixed connection through a plurality of retaining members 3, has improved back locking strip 2 and lamp plate 4's joint strength.

Specifically, the locking member 3 is a bolt, the second hole 40 is a threaded hole, and the bolt passes through the first hole 22 and is in threaded connection with the coaxially arranged second hole 40. The back locking strip 2 is connected with the lamp panel 4 through bolts, so that the connection stability of the back locking strip 2 and the lamp panel 4 is improved.

Preferably, the first holes 22 are spaced apart from each other by 30mm to 50mm in the longitudinal direction (front-rear direction in the drawing) of the back lock bar 2 to control the number of locking members 3 locked to each back lock bar 2, and to avoid excessive or insufficient number of locking members 3. The locking of back locking strip 2 and lamp plate 4 is attached with the lock of suitable interval realization to a plurality of retaining members 3, can enough guarantee the connection stability of back locking strip 2 and lamp plate 4, can make the roughness after back locking strip 2 installs lamp plate 4 better simultaneously, avoids too much retaining member 3 to the locking force that back locking strip 2 applyed to lead to back locking strip 2's local position to appear slight deformation. Further, the method comprises the steps of. The locking piece 3 is a flat head self-tapping bolt with a screw thread diameter of 1.0mm, and the second hole 40 on the lamp panel 4 is a screw hole with an inner diameter of 0.85 mm.

As shown in fig. 5, the first hole 22 includes a third hole 221 and a fourth hole 222 that are communicated, the locking member 3 sequentially penetrates through the third hole 221, the fourth hole 222 and the second hole 40, and the end portion of the locking member 3 located in the third hole 221 is lower than or flush with the lower end surface of the back locking bar 2. The heads of the flat head self-tapping bolts of the embodiment are all located in the third holes 221, so as to avoid the contact between the locking piece 3 and the bottom wall of the mounting groove 11, so as to ensure that the back locking bar 2 can keep contact with the bottom wall of the mounting groove 11, and improve the stability of the sliding process of the back locking bar 2 in the mounting groove 11.

It should be noted that, the back locking strip 2 is a plastic strip, and the plastic strip is preferably made of a PC material, so that the processing and batch production of the back locking strip 2 are facilitated, and the production cost of the display module is reduced.

As shown in fig. 1 and 2, the mounting groove 11 includes at least a first groove body 111 and a second groove body 112 which are disposed up and down and are communicated, and the groove width of the first groove body 111 is larger than the groove width of the second groove body 112, so as to form a first step surface 110 between the first groove body 111 and the second groove body 112. It will be appreciated that the mounting groove 11 may be a stepped groove with a gradually increasing groove width from top to bottom. The first slot 111 and the second slot 112 in this embodiment enclose a T-shaped slot, and the back lock bar 2 is a T-shaped bar. The back locking strip 2 is matched with the mounting groove 11 and is provided with a second step surface 21, and the first step surface 110 can be abutted against the second step surface 21. The mounting groove 11 is arranged as a stepped groove, and the outer contour of the back locking strip 2 is matched with the inner contour of the mounting groove 11 so as to limit the back locking strip 2 along the left-right direction. When the back locking bar 2 slides into the mounting groove 11, the first step surface 110 of the mounting groove 11 abuts against the second step surface 21 of the back locking bar 2, so that the limit of the back locking bar 2 in the up-down direction is realized.

Specifically, the mounting groove 11 has a limiting side wall end and an open end along the first direction, the limiting side wall end of the mounting groove 11 is formed in the housing 1, and the opening on the front side wall of the housing 1 is the open end of the mounting groove 11. When the back lock bar 2 slides in place in the mounting groove 11, one end of the back lock bar 2 abuts against the limit side wall end of the mounting groove 11.

Further, the display module further includes a limiting member (not shown in the figure), which is movably disposed at the opening of the mounting groove 11 and is switched between the locking position and the avoiding position. The limiting member in the escape position is withdrawn from the mounting groove 11 so that the back lock bar 2 can slide into or out of the mounting groove 11. The limiting piece positioned at the locking position stretches into the mounting groove 11 to abut against the end face, close to the opening, of the back locking strip 2. The locating part can avoid back locking strip 2 to roll off from the opening part of mounting groove 11, and the locating part locks back locking strip 2 along the position of first direction with the spacing lateral wall end of mounting groove 11 jointly simultaneously to realized back locking strip 2 in the stable installation of mounting groove 11, improved display module assembly's structural stability.

The limiting piece of the embodiment comprises a movable tongue and a top block, wherein the top block is arranged at one end of the movable tongue, and the other end of the movable tongue is movably connected with the bottom wall of the mounting groove 11. The back locking strip 2 sliding into or out of the mounting groove 11 is pressed against the top block and presses the top block into the avoiding position. The top block which is reset to the locking position stretches into the mounting groove 11 and can abut against the end face, close to the opening, of the back locking strip 2. Specifically, the bottom wall of the mounting groove 11 is provided with an avoidance groove near the opening position, one end of the movable tongue is connected with one inner side wall of the avoidance groove along the first direction into a whole, and the other end of the movable tongue extends to an accessory position of the other inner side wall of the avoidance groove along the first direction, so that the movable tongue forms a cantilever structure. It should be noted that, the limiting piece and the housing 1 are integrally formed through injection molding, and the limiting piece is preferably a plastic piece, so that the movable tongue has a certain elasticity.

In the process of dismounting the lamp panel 4, when the ejector block is not subjected to external force, the movable tongue is kept in a flush state with the bottom wall of the mounting groove 11, and at the moment, the ejector block is convexly arranged in the mounting groove 11, namely, is in a locking position. When the back locking bar 2 slides into the mounting groove 11, the ejector block can be extruded, so that the movable tongue bends and the ejector block is pressed into the avoiding position. When the back locking bar 2 slides in place in the mounting groove 11, the back locking bar 2 does not press the top block any more, the movable tongue can reset the top block to the locking position again under the action of the elastic restoring force of the movable tongue, and the top block is propped against the end face, close to the opening, on the back locking bar 2. When the lamp panel 4 needs to be maintained, the back locking strip 2 is forced to slide out of the opening of the mounting groove 11, at the moment, the back locking strip 2 extrudes the top block again, the movable tongue bends and the top block is pressed into the avoiding position again, after the back locking strip 2 slides out of the mounting groove 11 completely, the back locking strip 2 does not press the top block any more, and the movable tongue can reset the top block to the locking position again under the action of the elastic restoring force of the movable tongue.

The above embodiments merely illustrate the basic principle and features of the present utility model, and the present utility model is not limited to the above embodiments, but may be varied and altered without departing from the spirit and scope of the present utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (10)

1. A display module, comprising:

the device comprises a shell (1), wherein a mounting groove (11) is recessed in the top end of the shell (1), the length of the mounting groove (11) extends along a first direction, and an opening is formed in the side wall of the shell (1) along the first direction;

the back lock bar (2), the locking piece (3) and the lamp panel (4), wherein the back lock bar (2) is in locking connection with the lamp panel (4) through the locking piece (3), and the back lock bar (2) slides into the mounting groove (11) through the opening and is in clamping fit with the mounting groove (11) so as to lock the lamp panel (4) and the shell (1); or the back locking strip (2) slides out of the mounting groove (11) through the opening and is separated from the mounting groove (11) in a clamping way so as to separate the lamp panel (4) from the shell (1).

2. The display module according to claim 1, wherein the mounting groove (11) comprises at least a first groove body (111) and a second groove body (112) which are arranged up and down and are communicated, and the groove width of the first groove body (111) is larger than the groove width of the second groove body (112) so as to form a first step surface (110) between the first groove body (111) and the second groove body (112);

the back locking strip (2) is matched with the mounting groove (11) and is provided with a second step surface (21), and the first step surface (110) can be abutted against the second step surface (21).

3. The display module according to claim 2, wherein the first groove body (111) and the second groove body (112) are enclosed into a T-shaped groove; the back locking strip (2) is correspondingly a T-shaped strip.

4. The display module according to claim 1, further comprising a limiting member movably disposed at an opening of the mounting groove (11) and switching between a locking position and an avoidance position; the limiting piece at the avoiding position is withdrawn from the mounting groove (11) so that the back locking bar (2) can slide into or out of the mounting groove (11); the limiting piece positioned at the locking position stretches into the mounting groove (11) so as to tightly prop against the end face, close to the opening, of the back locking strip (2).

5. The display module according to claim 4, wherein the limiting piece comprises a movable tongue and a top block, one end of the movable tongue is provided with the top block, and the other end of the movable tongue is movably connected with the bottom wall of the mounting groove (11);

the back locking strip (2) sliding in or out of the mounting groove (11) is propped against the top block and presses the top block into the avoiding position; the ejector block which is reset to the locking position stretches into the mounting groove (11) and can abut against the end face, close to the opening, of the back locking strip (2).

6. The display module according to any one of claims 1 to 5, wherein a plurality of first holes (22) are formed in the back locking strip (2) at intervals along the first direction, a plurality of second holes (40) are correspondingly formed in the lamp panel (4), and the locking member (3) can sequentially penetrate through the first holes (22) and the second holes (40) which are coaxial, so that the back locking strip (2) is locked and connected with the lamp panel (4).

7. The display module assembly according to claim 6, wherein the locking member (3) is a bolt, the second hole (40) is a threaded hole, and the bolt is threaded with the second hole (40) coaxially arranged after passing through the first hole (22).

8. The display module according to claim 6, wherein the first hole (22) comprises a third hole (221) and a fourth hole (222) which are communicated, the locking member (3) sequentially penetrates through the third hole (221), the fourth hole (222) and the second hole (40), and the end part of the locking member (3) located in the third hole (221) is lower than or flush with the lower end face of the back locking strip (2).

9. The display module according to claim 6, wherein the first holes (22) are spaced apart from each other by 30mm to 50mm in the longitudinal direction of the back lock bar (2).

10. The display module according to any one of claims 1 to 5, wherein the back locking strip (2) is a plastic strip.