CN107610606B - Display screen, power supply back cover plate and locking device - Google Patents
Display screen, power supply back cover plate and locking device Download PDFInfo
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- CN107610606B CN107610606B CN201710937008.4A CN201710937008A CN107610606B CN 107610606 B CN107610606 B CN 107610606B CN 201710937008 A CN201710937008 A CN 201710937008A CN 107610606 B CN107610606 B CN 107610606B
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- 238000003825 pressing Methods 0.000 claims abstract description 69
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- 239000003292 glue Substances 0.000 description 1
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Abstract
The invention relates to a display screen, a power supply rear cover plate and a locking device. The locking device is used for connecting the screen body of the display screen and the cover plate body of the power rear cover plate and comprises a first elastic piece, a limiting support plate, a pressing plate, a sliding block and a button. The limiting support plate comprises a support plate body and a first limiting piece which are connected; the supporting plate body is arranged on the cover plate body; the pressing plate is connected with the supporting plate body; the sliding block comprises a sliding block body, a buckling part and a first inclined wedge part; the sliding block body is positioned between the supporting plate body and the pressing plate and is respectively in sliding connection with the supporting plate body and the pressing plate; the sliding block body is provided with a first limit groove; the first elastic piece is positioned in the first limiting groove; the first limiting piece is positioned in the first limiting groove and is abutted with the first elastic piece; the clamping part and the first inclined wedge part are connected with the sliding block body; the buckle part is used for clamping the screen body. The locking device enables the power supply rear cover plate of the display screen to be quickly and conveniently assembled and disassembled.
Description
Technical Field
The invention relates to the technical field of display screens, in particular to a display screen, a power rear cover plate and a locking device.
Background
As display screen products are updated, display screen unit products begin to be produced and maintained in a modularized manner. The power back cover plate of the traditional LED display screen is assembled and fixed by adopting screws, so that the power back cover plate of the display screen is inconvenient to assemble and disassemble, and the production and maintenance efficiency of the display screen are low.
Disclosure of Invention
Accordingly, it is necessary to provide a display screen, a power rear cover plate and a locking device for solving the problem that the power rear cover plate of the display screen is inconvenient to assemble and disassemble.
A locker for connecting a screen body of a display screen and a cover plate body of a power rear cover plate, the locker comprising:
the first limiting piece is used for being connected to the cover plate body;
a pressing plate;
the sliding block comprises a sliding block body, a buckling part and a first inclined wedge part, wherein the sliding block body is in sliding connection with the pressing plate, the buckling part and the first inclined wedge part are both connected with the sliding block body, and the buckling part is used for being clamped with the screen body;
one end of the first elastic piece is connected with the sliding block body, and the other end of the first elastic piece is abutted against the first limiting piece; and
the button comprises a button body and a second inclined wedge part which are connected, and the second inclined wedge part is in sliding connection with the first inclined wedge part; the button body is used for penetrating through the cover plate body and is in sliding connection with the cover plate body.
In one embodiment, the locking device further comprises a limiting support plate, one side of the limiting support plate is connected with the first limiting piece, and the other side of the limiting support plate is connected with the cover plate body, so that the first limiting piece is used for connecting the cover plate body; the limiting support plate is connected with the pressing plate, the sliding block body is located between the limiting support plate and the pressing plate, and the sliding block body is respectively connected with the limiting support plate and the pressing plate in a sliding mode.
In one embodiment, the slider body is provided with a first limiting groove, the first elastic piece is located in the first limiting groove, and the first limiting piece is located in the first limiting groove. In one embodiment, the slider body is provided with a limiting through hole, the locking device further comprises a second limiting piece, the second limiting piece is connected with the limiting support plate, and the second limiting piece is located in the limiting through hole and moves relative to the slider body; the sliding block body is used for moving relative to the second limiting piece when the button body is pressed, and the moving direction of the sliding block body relative to the second limiting piece is parallel to the extending and contracting direction of the first elastic piece.
In one embodiment, the locker further comprises a fastener; a first connecting hole is formed in the limiting support plate, a mounting hole is formed in the second limiting part, the mounting hole is communicated with the first connecting hole, a second connecting hole corresponding to the mounting hole is formed in the pressing plate, the fastener passes through the second connecting hole, the mounting hole and the first connecting hole in sequence, so that the pressing plate is respectively connected with the second limiting piece and the limiting support plate.
In one embodiment, a first through hole is formed in the limit supporting plate, a second through hole is formed in the sliding block body, the first through hole is communicated with the second through hole, a third through hole is formed in the pressing plate, and the second through hole is communicated with the third through hole; the second inclined wedge part is respectively positioned in the first through hole, the second through hole and the third through hole; the first wedge portion is located in the second through hole.
The utility model provides a power back shroud for connect in the screen body of display screen, power back shroud includes apron body and arbitrary embodiment lock catch device, the button body wear to locate on the apron body and with apron body sliding connection.
The display screen comprises a screen body and the power supply rear cover plate, wherein the clamping part is clamped with the screen body; the sliding block body is used for sliding relative to the pressing plate when the button body is pressed until the clamping part slides away from the screen body.
In one embodiment, the screen body comprises a screen body, a third limiting piece and a second elastic piece, wherein the screen body is provided with a groove, the third limiting piece and the second elastic piece are both arranged in the groove, the third limiting piece is in sliding connection with the screen body, one end of the second elastic piece is connected with the screen body, and the other end of the second elastic piece is connected with the third limiting piece; when the buckling part slides away from the screen body, the third limiting piece is buckled on the sliding block body.
In one embodiment, the slider body is provided with a second limit groove, and the third limit piece is used for being inserted into the second limit groove; the sliding block body is used for sliding relative to the pressing plate when the button body is pressed until the third limiting piece is inserted into the second limiting groove.
The display screen, the power rear cover plate and the locking device are characterized in that the sliding block body is in sliding connection with the pressing plate, the clamping part of the sliding block is clamped on the screen body, the button body is in sliding connection with the cover plate body, and the first limiting piece is connected onto the cover plate body, so that the locking device is respectively connected with the screen body and the cover plate body. When the power rear cover plate is required to be detached from the screen body, the button body is pressed, and the button body is arranged on the cover plate body in a penetrating manner and is in sliding connection with the cover plate body, so that the button body drives the second inclined wedge part to move relative to the cover plate body, and the second inclined wedge part is in sliding connection with the first inclined wedge part, and the first inclined wedge part and the clamping buckle part are both connected with the slide block body, so that the slide block body slides relative to the pressing plate along a first direction, and the slide block body slides out of the screen body; simultaneously, the first elastic piece moves along with the sliding block body, the sliding block body moves relative to the first limiting piece, and as one end of the first elastic piece is connected with the sliding block body, the other end of the first elastic piece is abutted against the first limiting piece, so that the first elastic piece is extruded by the sliding block body and the first limiting piece, and the first elastic piece is in a compressed state; at this time, the operator holds the power rear cover plate and pulls out the power rear cover plate, so that the power rear cover plate and the screen body are separated. After the power rear cover plate is taken out, the sliding block body is not limited, and the pressed first elastic piece pushes the sliding block body to reset along a second direction opposite to the first direction.
When the power rear cover plate is required to be mounted on the screen body, an operator holds the cover plate body to move relative to the screen body, for example, the cover plate body is pressed into the screen body, the sliding block body slides relative to the pressing plate along a first direction, the first elastic piece is extruded by the sliding block body and the first limiting piece, the first elastic piece is in a compressed state, when the cover plate body moves relative to the screen body to correspond to the clamping position of the screen body, the first elastic piece pushes the sliding block body to slide relative to the pressing plate along a second direction until the clamping part is clamped with the screen body, the cover plate body is fixed on the screen body through the locking device, and the mounting of the power rear cover plate is completed. Therefore, the locking device enables the power supply rear cover plate of the display screen to be quickly and conveniently assembled and disassembled.
Drawings
FIG. 1 is a schematic diagram of a display screen according to an embodiment;
FIG. 2 is an exploded view of the display screen of FIG. 1;
FIG. 3 is a schematic view of a power back cover plate of the display screen of FIG. 1;
FIG. 4 is an enlarged view of a portion of the power back cover plate of FIG. 3 at A;
FIG. 5 is a partial schematic view of the cover body of the power rear cover of the display screen of FIG. 1 connected to the screen body by a latch device, wherein the button is not pressed;
FIG. 6 is a partial schematic view of the power rear cover plate of the display screen of FIG. 1 with the latch mechanism mounted to the screen body, wherein the button has been pressed;
FIG. 7 is a partial schematic view of a power back cover panel pull-out screen body of the display screen of FIG. 1;
FIG. 8 is a schematic view of a structure of a display screen of FIG. 1;
fig. 9 is a partial schematic view of a latch mechanism of a power back cover plate of the display screen of fig. 1.
Detailed Description
In order to facilitate an understanding of the present invention, the display, the power back cover and the locker will be more fully described with reference to the accompanying drawings. The preferred embodiments of the display, power back cover and locker are shown in the drawings. However, the display, the power back plate, and the locker may be implemented in many different forms and are not limited to the embodiments described herein. Rather, the purpose of these embodiments is to provide a more thorough and complete disclosure of the display screen, the power back cover plate, and the locker.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the display, the power back plate, and the locker is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
For example, a latch device is used for connecting a screen body of a display screen and a cover plate body of a power rear cover plate; for example, the locking device comprises a first limiting piece, a pressing plate, a sliding block, a first elastic piece and a button. For example, the platen is connected with the support plate body; for example, the slider includes a slider body, a buckle portion, and a first cam portion; for example, the slider body is slidably connected with the pressing plate; for example, the buckle part and the first inclined wedge part are both connected with the sliding block body; for example, the fastening part is used for fastening the screen body; for example, the first limiting piece is used for being connected to the cover plate body; for example, one end of the first elastic piece is connected with the sliding block body, and the other end of the first elastic piece is abutted with the first limiting piece; for example, the button includes a button body and a second cam portion connected; for example, the second cam portion is slidably connected to the first cam portion; for example, the button body is arranged on the cover plate body in a penetrating way and is in sliding connection with the cover plate body. For example, a locking device is used for connecting a screen body of a display screen and a cover plate body of a power rear cover plate, and the locking device comprises a first limiting piece, a pressing plate, a sliding block, a first elastic piece and a button; the sliding block comprises a sliding block body, a buckling part and a first inclined wedge part, wherein the sliding block body is in sliding connection with the pressing plate, the buckling part and the first inclined wedge part are both connected with the sliding block body, and the buckling part is used for being clamped with the screen body; the first limiting piece is used for being connected to the cover plate body; one end of the first elastic piece is connected with the sliding block body, and the other end of the first elastic piece is abutted with the first limiting piece; the button comprises a button body and a second inclined wedge part which are connected, and the second inclined wedge part is in sliding connection with the first inclined wedge part; the button body is used for penetrating through the cover plate body and is in sliding connection with the cover plate body.
As shown in fig. 1 and 2, a latch device 100 of an embodiment is used to connect a screen body 20 of a display screen 10 and a cover body 200 of a power rear cover 19. Referring to fig. 3 and fig. 4, the locking device 100 includes a first elastic member 110, a first limiting member 122, a pressing plate 130, a sliding block 140, and a button 150. The sliding block 140 includes a sliding block body 141, a fastening portion 142, and a first wedge portion 143, where the sliding block body 141 is slidably connected with the pressing plate 130, the fastening portion 142 and the first wedge portion 143 are both connected with the sliding block body 141, and the fastening portion 142 is used to fasten the screen 20; the first limiting member 122 is configured to be connected to the cover body 200; one end of the first elastic member 110 is connected to the slider body 141, and the other end of the first elastic member 110 abuts against the first limiting member 122; the button 150 includes a button body 151 and a second wedge 152 connected to each other, and the second wedge 152 is slidably connected to the first wedge 143; the button body 151 is disposed on the cover body 200 in a penetrating manner and is slidably connected to the cover body 200.
In the latch device 100 described above, the slider body 141 is slidably connected to the pressing plate 130, the fastening portion 142 is fastened to the screen body 20 of the display screen 10, the button body 151 is slidably connected to the cover body 200 of the power rear cover 19, and the first limiting member 122 is connected to the cover body 200, as shown in fig. 5, so that the latch device 100 is connected to the screen body 20 and the cover body 200 respectively. When the power rear cover plate 19 needs to be detached from the screen body 20, the button body 151 is pressed, and since the button body 151 is arranged on the cover plate body 200 in a penetrating way and is in sliding connection with the cover plate body 200, the button body 151 is connected with the second inclined wedge portion 152, so that the button body 151 drives the second inclined wedge portion 152 to move relative to the cover plate body 200, and since the second inclined wedge portion 152 is in sliding connection with the first inclined wedge portion 143, and the first inclined wedge portion 143 and the buckle portion 142 are both connected with the slider body 141, the slider body 141 slides relative to the pressure plate 130 along the first direction, as shown in fig. 6, the slider body 141 slides out of the screen body 20; meanwhile, the first elastic element 110 moves along with the slider body 141, the slider body 141 moves relative to the first limiting element 122, and as one end of the first elastic element 110 is connected with the slider body 141 and the other end of the first elastic element 110 is abutted against the first limiting element 122, the first elastic element 110 is extruded by the slider body 141 and the first limiting element 122, as shown in fig. 6, the first elastic element 110 is in a compressed state; at this time, the operator holds the power rear cover plate 19 and pulls out the power rear cover plate 19 to separate the power rear cover plate 19 from the screen body 20. After the power rear cover 19 is removed, the slider body 141 is not limited, and as shown in fig. 7, the pressed first elastic member 110 pushes the slider body 141 to return in a second direction opposite to the first direction.
When the power rear cover plate 19 is required to be mounted on the screen 20, an operator holds the cover plate body 200 to move relative to the screen 20, the cover plate body 200 drives the limiting support plate 120 to move, for example, the cover plate body 200 is pressed into the screen 20, the slide block body 141 slides relative to the pressing plate 130 along a first direction, the first elastic member 110 is pressed by the slide block body 141 and the first limiting member 122, the first elastic member 110 is in a compressed state, when the cover plate body 200 moves relative to the screen 20 to a position corresponding to the clamping position of the screen 20, the first elastic member 110 pushes the slide block body 141 to slide relative to the pressing plate 130 along a second direction until the clamping part 142 is clamped with the screen 20, the cover plate body 200 is fixed on the screen 20 through the locking device 100, and the mounting of the power rear cover plate 19 is completed. Therefore, the locking device 100 makes the assembly and disassembly of the power rear cover plate 19 of the display screen 10 fast and convenient.
As shown in fig. 3 and 4, in one embodiment, the latch device 100 further includes a limiting support plate 120, one side of the limiting support plate 120 is connected to the first limiting member 122, and the other side of the limiting support plate 120 is connected to the cover body 200, so that the first limiting member 122 is used to connect to the cover body 200; the limiting support plate 120 is connected with the pressing plate 130, the sliding block body 141 is located between the limiting support plate 120 and the pressing plate 130, and the sliding block body 141 is respectively connected with the limiting support plate 120 and the pressing plate 130 in a sliding manner. Because the slider body 141 is located between the limiting support plate 120 and the pressing plate 130, and the slider body 141 is slidably connected with the limiting support plate 120 and the pressing plate 130, the fastening portion 142 of the slider 140 is fastened on the screen body 20 of the display screen 10, the button body 151 is slidably connected on the cover plate body 200 of the power rear cover plate 19, and the limiting support plate 120 is disposed on the cover plate body 200, so that the locking device 100 is connected with the screen body 20 and the cover plate body 200 respectively. When the power rear cover plate 19 needs to be detached from the screen body 20, the button body 151 is pressed, and since the button body 151 is arranged on the limit support plate 120 in a penetrating manner and is in sliding connection with the limit support plate 120, the button body 151 slides relative to the limit support plate 120, the button body 151 is connected with the second wedge portion 152, so that the button body 151 drives the second wedge portion 152 to move relative to the limit support plate 120, and since the second wedge portion 152 is in sliding connection relative to the first wedge portion 143, and both the first wedge portion 143 and the buckle portion 142 are connected with the slider body 141, the slider body 141 slides relative to the limit support plate 120 and the pressure plate 130 along the first direction, and the slider body 141 slides out of the screen body 20; meanwhile, the first elastic piece 110 moves along with the sliding block body 141, the sliding block body 141 moves relative to the first limiting piece 122, and as the limiting support plate 120 is arranged on the cover plate body 200 and the limiting support plate 120 is connected with the first limiting piece 122, the first elastic piece 110 is extruded by the sliding block body 141 and the first limiting piece 122, and the first elastic piece 110 is in a compressed state; at this time, the operator holds the power rear cover plate 10 and pulls out the power rear cover plate 10 to separate the power rear cover plate 10 from the screen body 20. After the power rear cover 19 is taken out, the slider body 141 is not limited, and the pressed first elastic member 110 pushes the slider body 141 to reset in a second direction opposite to the first direction.
When the power rear cover 10 is required to be mounted on the screen 20, an operator holds the cover body 200 to move relative to the screen 20, the cover body 200 drives the limiting support plate 120 to move, for example, the cover body 200 is pressed into the screen 20, the slide block body 141 slides along a first direction relative to the limiting support plate 120 and the pressing plate 130, the first elastic member 110 is pressed by the slide block body 141 and the first limiting member 122, the first elastic member 110 is in a compressed state, when the cover body 200 moves relative to the screen 20 to a position corresponding to a clamping position of the screen 20, the first elastic member 110 pushes the slide block body 141 to slide along a second direction relative to the limiting support plate 120 and the pressing plate 130 until the clamping part 142 is clamped with the screen 20, and then the cover body 200 is fixed on the screen 20 through the locking device 100, and the mounting of the power rear cover 19 is completed. Therefore, the locking device 100 makes the assembly and disassembly of the power rear cover plate 19 of the display screen 10 fast and convenient.
As shown in fig. 4, in one embodiment, the slider body 141 is provided with a first limiting groove 141a, the first elastic member 110 is located in the first limiting groove 141a, and the first limiting member 122 is located in the first limiting groove 141a. The locking device 100 further includes a limiting support plate 120, one side of the limiting support plate 120 is connected to the first limiting member 122, and the other side of the limiting support plate 120 is connected to the cover plate body 200, so that the first limiting member 122 is connected to the cover plate body 200; the limiting support plate 120 is connected with the pressing plate 130, the sliding block body 141 is located between the limiting support plate 120 and the pressing plate 130, and the sliding block body 141 is respectively connected with the limiting support plate 120 and the pressing plate 130 in a sliding manner.
For example, the first elastic member 110 is a spring or an elastic glue. In this embodiment, the first elastic member 110 is a spring. The slider body 141 is provided with a first limiting groove 141a adapted to the first elastic member 110. The first limiting member 122 is located in the first limiting groove 141a and abuts against the first elastic member 110. The end of the first elastic member 110 away from the first limiting member 122 abuts against the inner wall of the first limiting groove 141a. Since the limiting support plate 120 is disposed on the cover plate body 200, and the limiting support plate 120 is connected with the first limiting member 122, the slider body 141 is respectively slidably connected with the limiting support plate 120 and the pressing plate 130; when the slider body 141 slides in the first direction relative to the limit support plate 120, the first elastic member 110 is pressed by the slider body 141 and the first limit member 122, so that the first elastic member 110 is in a compressed state. When the slider body 141 slides in the second direction relative to the limit support plate 120, the first elastic member 110 begins to return to the original position. For another example, the extending and contracting direction of the first elastic member 110 is parallel to the sliding direction of the slider body 141.
For example, the expansion and contraction direction of the first elastic member 110 and the sliding direction of the button body 151 are perpendicular to each other; when the button body 151 is pressed, the button body 151 slides relative to the limiting support plate 120, and since the button body 151 is connected with the second wedge portion 152, the button body 151 drives the second wedge portion 152 to move relative to the limiting support plate 120, and since the second wedge portion 152 is slidably connected relative to the first wedge portion 143, and the first wedge portion 143 and the buckle portion 142 are both connected with the slider body 141, the slider body 141 slides relative to the limiting support plate 120 and the pressure plate 130 along a first direction, the slider body 141 slides out of the screen body 20, and the first elastic member 110 moves along with the slider body 141, and the slider body 141 moves relative to the first limiting member 122; because the limiting support plate 120 is disposed on the cover plate body 200, and the limiting support plate 120 is connected with the first limiting member 122, the first elastic member 110 is pressed by the slider body 141 and the first limiting member 122, and the first elastic member 110 is in a compressed state.
For example, the slider body 141, the fastening portion 142, and the first wedge portion 143 are integrally formed, so that the structure of the slider 140 is compact. In other embodiments, the slider body 141, the fastening portion 142, and the first wedge portion 143 may be formed separately and connected together by welding or gluing. For example, the spacing support plate 120 and the first spacing member 122 are integrally formed, so that the spacing support plate 120 is compact, and in other embodiments, the spacing support plate 120 and the first spacing member 122 may be formed separately and connected together by welding or gluing. For example, the button body 151 and the second wedge 152 are integrally formed, so that the structure of the button 150 is compact, and in other embodiments, the button body 151 and the second wedge 152 may be formed separately and connected together by welding or gluing.
As shown in fig. 5 and 8, for example, the screen body 20 is provided with a mounting groove 24 and a clamping groove 25 which are communicated with each other, the clamping groove 25 is formed on the inner wall of the mounting groove 24, and the cover plate body 200 is located in the mounting groove 24. The fastening portion 142 is fastened into the fastening slot 25, so that the fastening portion 142 is fastened to the screen 20. The limiting support plate 120 is connected with the cover plate body 200, and the limiting support plate 120 is arranged on the cover plate body 200. Referring to fig. 2, in this way, the screen 20 and the cover body 200 of the power rear cover 19 are connected together through the locking device 100, so that the cover body 200 is locked to the screen 20 through the locking device 100, and the power rear cover 19 is quickly assembled and disassembled to the screen 20. For example, the cross section of the engaging portion 142 in a plane parallel to the expansion and contraction direction of the first elastic member 110 is triangular. When the cover plate body 200 of the power rear cover plate 19 is mounted on the screen body 20, i.e. the cover plate body 200 is pressed into the screen body 19, the locking device is locked along with the cover plate body 200 along the direction of locking the cover plate body 20, and the locking part 142 is abutted against the inner wall of the mounting groove 21. At the moment that the fastening portion 142 collides with the inner wall of the mounting groove 24, the inner wall of the mounting groove 24 extrudes the fastening portion 142, the first elastic member 110 is compressed, the slider body 141 slides along the first direction relative to the limit support plate 120 and the pressing plate 130 respectively, and because the cross section in the plane of the fastening portion 142 parallel to the expansion direction of the first elastic member 110 is in a triangular shape, the resistance generated in the collision process between the fastening portion 142 and the inner wall of the mounting groove 24 is smaller, so that the extrusion force required by the fastening of the cover plate body 200 on the screen body 20 is smaller, and the quick fastening of the cover plate body 200 on the screen body 20 is facilitated. In other embodiments, the cross-section of the fastening portion 142 in a plane parallel to the expansion and contraction direction of the first elastic member 110 may also have a trapezoid shape or other shapes.
For another example, the outer wall of the fastening portion 142 is coated with a wear-resistant material, so that the wear resistance of the fastening portion 142 is better, and the wear resistance of the slider 140 is improved, thereby prolonging the service life of the locking device 100. For another example, the end of the fastening portion 142 is provided with a chamfer, so that the fastening portion 142 can be conveniently and rapidly fastened into the clamping groove 25 of the screen body 20, and the cover plate body 200 can be rapidly fastened on the screen body 20.
As shown in fig. 5 and 9, when the slider 140 slides along the first direction, in order to avoid the compressive failure of the first elastic member 110, in one embodiment, the slider body 141 is provided with a limiting through hole 141b, the locking device 100 further includes a second limiting member 123, the second limiting member 123 is connected to the limiting support plate 120, and the second limiting member 123 is located in the limiting through hole 141b and moves relatively to the slider body 141; when the button body 151 is pressed, the slider body 141 moves relative to the second limiting member 123, and the moving direction of the slider body 141 relative to the second limiting member 123 is parallel to the extending direction of the first elastic member 110. When the slider body 141 slides along the first direction relative to the limiting support plate 120 and the pressing plate 130, the slider body 141 moves along the first direction relative to the second limiting member 123, and the first elastic member 110 is compressed until the inner wall of the limiting through hole 141b of the slider body 141 abuts against the second limiting member 123, so as to prevent the first elastic member 110 from being extruded and failing due to excessive movement of the slider body 141 relative to the second limiting member 123, i.e. the elastic force borne by the first elastic member 110 exceeds the elastic safety limit allowed by the first elastic member 110. For example, the second limiting member 123, the first limiting member 122 and the limiting support plate 120 are integrally formed, so that the limiting support plate 120 has a compact structure. In other embodiments, the second stop 123, the first stop 122, and the stop support plate 120 are each formed and joined together by welding or gluing.
For example, the second limiting member 123, the first limiting member 122 and the limiting support plate 120 are integrally formed, so that the limiting support plate 120 has a compact structure. The cross section of the fastening portion 142 in a plane parallel to the expansion and contraction direction of the first elastic member 110 is triangular. When the cover plate body 200 of the power rear cover plate 19 is mounted on the screen body 20, i.e. the cover plate body 200 is pressed into the screen body 20, the locking device 100 is locked along with the cover plate body 200 along the direction of locking the cover plate body 20, and the locking part 142 is abutted against the inner wall of the mounting groove 24. At the moment that the fastening portion 142 collides with the inner wall of the mounting groove 24, the inner wall of the mounting groove 24 extrudes the fastening portion 142, the first elastic member 110 is compressed, the slider body 141 slides along the first direction relative to the limit support plate 120 and the pressing plate 130 respectively, and because the cross section in the plane parallel to the expansion direction of the first elastic member of the fastening portion 142 is in a triangular shape, the resistance generated in the collision process between the fastening portion 142 and the inner wall of the mounting groove 24 is smaller, so that the extrusion force required by the fastening of the cover plate body 200 on the screen body 20 is smaller, and the quick fastening of the cover plate body 200 on the screen body 20 is facilitated.
As shown in fig. 3 and 9, in order to connect the pressing plate 130 with the limit supporting plate 120, in one embodiment, the locking device 100 further includes a fastener 160; the limiting support plate 120 is provided with a first connecting hole 124, the second limiting member 123 is provided with a mounting hole (not shown), the mounting hole is communicated with the first connecting hole 124, the pressing plate 130 is provided with a second connecting hole 131 corresponding to the mounting hole, and the fastening member 160 sequentially passes through the second connecting hole 131, the mounting hole and the first connecting hole 124, so that the pressing plate 130 is respectively connected with the second limiting member 123 and the limiting support plate 120. Since the slider body 141 is located between the limiting support plate 120 and the pressing plate 130, and the second limiting member 123 is located in the limiting through hole 141b, the slider body 141 slides along the first direction by a predetermined distance relative to the limiting support plate 120 and the pressing plate 130, respectively, where the predetermined distance is a distance that the second limiting member 123 moves relative to the slider body in the limiting through hole 141 b. For example, the fastening member 160 is a bolt or a screw, and the first connecting hole, the mounting hole, and the second connecting hole 131 are threaded holes, so that the pressing plate 130 is screwed with the second limiting member 123 and the limiting support plate 120, respectively. It should be understood that in other embodiments, the fastener 160 may be omitted, the first connecting hole 124 does not need to be formed on the limiting support plate 120, the mounting hole does not need to be formed on the second limiting member 123, the second connecting hole 131 does not need to be formed on the pressing plate 130, and the second limiting member 123 and the pressing plate 130 are connected together by welding or gluing, so that the structure of the locking device 100 is compact. For example, the number of the first connecting holes 124, the mounting holes and the second connecting holes 131 is two, the number of the fastening members 160 is two, and the number of the fastening members 160 is two, that is, a first fastening member 161 and a second fastening member 162, where the first fastening member 161 is located in one of the first connecting holes 124, the mounting holes and one of the second connecting holes 131, and the second fastening member 162 is located in the other one of the first connecting holes 124, the other one of the mounting holes and the other one of the second connecting holes 131, so that the limiting support plate 120 and the pressing plate 130 are fastened and connected. For example, the second fastener 162 continues to connect with the cover plate body 200 through the spacing support plate 120. For another example, the limiting support plate 120 is provided with a third connecting hole (not shown), the locking device 100 further includes a third fastening member 170, and the third fastening member 170 penetrates through the limiting support plate 120 and the cover plate body 200, so that the limiting support plate 120 and the cover plate body 200 are fastened and connected, and the connection between the limiting support plate 120 and the cover plate body 200 is firmer, i.e. the locking device 100 and the cover plate body are connected more firmly. .
As shown in fig. 9, in one embodiment, the limit support plate 120 is provided with a first through hole 121, the slider body 141 is provided with a second through hole 141c, the first through hole 121 is communicated with the second through hole 141c, the pressing plate 130 is provided with a third through hole 132, and the second through hole 141c is communicated with the third through hole 132; the second wedge 152 is located in the first through hole 121, the second through hole 141c and the third through hole 132, respectively; the first wedge 143 is located in the second through hole 141 c. The first through hole 121, the second through hole 141c, and the third through hole 132 ensure that the operator can easily press the button body 151.
As shown in fig. 2 and 3, the present invention also provides a power back cover plate 19. The power back cover 19 is adapted to be connected to a screen body 20 of the display screen 10. The power back cover 19 includes a cover body 100 and the latch device 100 according to any of the above embodiments. Referring to fig. 4, the button body 151 is disposed on the cover body 200 in a penetrating manner and is slidably connected to the cover body 200. For example, the power back cover 19 includes a cover body 200 and a locker 100. The latch device 100 includes a first elastic member 110, a first limiting member 122, a pressing plate 130, a slider 140, and a button 150. The sliding block 140 includes a sliding block body 141, a fastening portion 142, and a first wedge portion 143, where the sliding block body 141 is slidably connected with the pressing plate 130, the fastening portion 142 and the first wedge portion 143 are both connected with the sliding block body 141, and the fastening portion 142 is used to fasten the screen 20; the first limiting member 122 is configured to be connected to the cover body 200; one end of the first elastic member 110 is connected to the slider body 141, and the other end of the first elastic member 110 abuts against the first limiting member 122; the button 150 includes a button body 151 and a second wedge 152 connected to each other, and the second wedge 152 is slidably connected to the first wedge 143; the button body 151 is disposed on the cover body 200 in a penetrating manner and is slidably connected to the cover body 200.
As shown in fig. 1, the present invention further provides a display screen 10 including a screen body 20 and the power rear cover plate 19 described above. Referring to fig. 5, the fastening portion 142 is fastened to the screen 20. The slider body 141 is configured to slide relative to the pressing plate 130 when the button body 151 is pressed until the fastening portion 142 slides away from the screen 20. Referring to both fig. 3 and 4, for example, the display screen 10 includes a screen body 20 and a power rear cover plate 19. The power rear cover 19 includes a cover body 200 and a locker 100. The latch device 100 includes a first elastic member 110, a first limiting member 122, a pressing plate 130, a slider 140, and a button 150. The sliding block 140 includes a sliding block body 141, a fastening portion 142, and a first wedge portion 143, where the sliding block body 141 is slidably connected with the pressing plate 130, the fastening portion 142 and the first wedge portion 143 are both connected with the sliding block body 141, and the fastening portion 142 is used to fasten the screen 20; the first limiting member 122 is configured to be connected to the cover body 200; one end of the first elastic member 110 is connected to the slider body 141, and the other end of the first elastic member 110 abuts against the first limiting member 122; the button 150 includes a button body 151 and a second wedge 152 connected to each other, and the second wedge 152 is slidably connected to the first wedge 143; the button body 151 is disposed on the cover body 200 in a penetrating manner and is slidably connected to the cover body 200.
As shown in fig. 5 and 8, for example, the screen body 20 is provided with a mounting groove 24 and a clamping groove 25 which are communicated with each other, and the cover plate body 200 is located in the mounting groove 24. The fastening portion 142 is fastened into the fastening slot 25, so that the fastening portion 142 is fastened to the screen 20. The limiting support plate 120 is connected with the cover plate body 200, so that the limiting support plate 120 is arranged on the cover plate body 200. In this way, the screen body 20 and the cover plate body 200 are connected together through the locking device 100, and the cover plate body 200 is fastened to the screen body 20 through the locking device 100, so that the cover plate body 200 is quickly assembled and disassembled on the screen body 20. For example, the number of the locking devices 100 is two, and the two locking devices 100 are respectively disposed at two ends of the cover body 200. The fastening portion 142 is fastened in the corresponding fastening slot 22, so that the cover body 200 is firmly connected to the screen body 20.
As shown in fig. 5 and 6, in one embodiment, the screen 20 includes a screen body 21, a third limiting member 22 and a second elastic member 23, a groove 21a is formed in the screen body 21, the third limiting member 22 and the second elastic member 23 are disposed in the groove 21a, the third limiting member 22 is slidably connected with the screen body 21, one end of the second elastic member 23 is connected with the screen body 21, and the other end of the second elastic member 23 is connected with the third limiting member 22. When the fastening portion 142 slides away from the screen 20, the third limiting member 22 is fastened to the slider body 141.
For example, two ends of the second elastic member 23 are welded or glued to the screen body 21 and the third limiting member 22, respectively, so that one end of the second elastic member 23 is connected to the screen body 21, and the other end of the second elastic member 23 is connected to the third limiting member 22. For example, the third limiting member 22 is a limiting thimble. For example, the mounting groove 24 and the clamping groove 25 are both disposed on the screen body 21.
As shown in fig. 5, in one embodiment, the slider body 141 is provided with a second limiting groove 141d. The third limiting member 22 is configured to be inserted into the second limiting groove 141d; the slider body 141 is configured to slide relative to the pressing plate 130 when the button body 151 is pressed, as shown in fig. 6, until the third limiting member 22 is inserted into the second limiting groove 141d. When the third limiting member 22 is inserted into the second limiting groove 141d, the sliding block 140 is blocked and cannot be reset, and the power rear cover 19 can be easily removed by holding the cover body 200, as shown in fig. 7, so that the cover body 200 can be conveniently removed from the screen 20.
As shown in fig. 2, for example, the power rear cover 19 further includes a handle 300, where the handle 300 is disposed on the cover body 200, for example, the handle 300 is disposed on two sides of the cover body 200, and an operator can hold the handle to perform the dismounting operation of the cover body 200, so that the use is convenient.
For example, the number of the first elastic member 110, the first limiting member 122, the first limiting groove 141a, the fastening portion 142, the first fastening member 161, the second fastening member 162, the first connecting hole 124, the mounting hole, the second connecting hole 131, the third connecting hole, the third limiting member 22, the second elastic member 23, the groove 21a, the second limiting groove 141d, the fastening groove 25, and the handle 300 are two, and are symmetrically distributed along the central axis of the cover body 200; the number of the second limiting parts 123 and the number of the limiting through holes 141b are two, and the second limiting parts and the limiting through holes 141b are symmetrically distributed along the central axis of the cover plate body 200. So that when the power rear cover plate 19 is disassembled, the locking device 100, the power rear cover plate 19 and the screen body 20 are uniformly stressed, and the structure is stable and not easy to damage; and the structure of the display screen 10, the power rear cover plate 19 and the locking device 100 is symmetrical.
The display screen 10, the power rear cover plate 19 and the locking device 100 described above, the slider body 141 is slidably connected with the pressing plate 130, the fastening portion 142 is fastened on the screen body 20 of the display screen 10, the button body 151 is slidably connected on the cover plate body 200 of the power rear cover plate 19, and the first limiting member 122 is connected on the cover plate body 200, as shown in fig. 5, so that the locking device 100 is respectively connected with the screen body 20 and the cover plate body 200. When the power rear cover plate 19 needs to be detached from the screen body 20, the button body 151 is pressed, and since the button body 151 is arranged on the cover plate body 200 in a penetrating way and is in sliding connection with the cover plate body 200, the button body 151 is connected with the second inclined wedge portion 152, so that the button body 151 drives the second inclined wedge portion 152 to move relative to the cover plate body 200, and since the second inclined wedge portion 152 is in sliding connection with the first inclined wedge portion 143, and the first inclined wedge portion 143 and the buckle portion 142 are both connected with the slider body 141, the slider body 141 slides relative to the pressure plate 130 along the first direction, as shown in fig. 6, the slider body 141 slides out of the screen body 20; meanwhile, the first elastic element 110 moves along with the slider body 141, the slider body 141 moves relative to the first limiting element 122, and as one end of the first elastic element 110 is connected with the slider body 141 and the other end of the first elastic element 110 is abutted against the first limiting element 122, the first elastic element 110 is extruded by the slider body 141 and the first limiting element 122, as shown in fig. 6, the first elastic element 110 is in a compressed state; at this time, the operator holds the power rear cover plate 19 and pulls out the power rear cover plate 19 to separate the power rear cover plate 19 from the screen body 20. After the power rear cover 19 is removed, the slider body 141 is not limited, and as shown in fig. 7, the pressed first elastic member 110 pushes the slider body 141 to return in a second direction opposite to the first direction.
When the power rear cover plate 19 is required to be mounted on the screen 20, an operator holds the cover plate body 200 to move relative to the screen 20, the cover plate body 200 drives the limiting support plate 120 to move, for example, the cover plate body 200 is pressed into the screen 20, the slide block body 141 slides relative to the pressing plate 130 along a first direction, the first elastic member 110 is pressed by the slide block body 141 and the first limiting member 122, the first elastic member 110 is in a compressed state, when the cover plate body 200 moves relative to the screen 20 to a position corresponding to the clamping position of the screen 20, the first elastic member 110 pushes the slide block body 141 to slide relative to the pressing plate 130 along a second direction until the clamping part 142 is clamped with the screen 20, the cover plate body 200 is fixed on the screen 20 through the locking device 100, and the mounting of the power rear cover plate 19 is completed. Therefore, the locking device 100 makes the assembly and disassembly of the power rear cover plate 19 of the display screen 10 fast and convenient.
The technical features of the above-described embodiments may be arbitrarily combined, and all possible combinations of the technical features in the above-described embodiments are not described for brevity of description, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.
The above examples illustrate only a few embodiments of the invention, which are described in detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of protection of the present invention is to be determined by the appended claims.
Claims (10)
1. A locker for connect the screen body of display screen and the apron body of power back shroud, its characterized in that, locker includes:
a first limiting member;
a pressing plate;
one side of the limiting support plate is connected with the first limiting piece, the other side of the limiting support plate is connected with the cover plate body, and the limiting support plate is connected with the pressing plate;
the sliding block comprises a sliding block body, a buckling part and a first inclined wedge part, wherein the sliding block body is positioned between the limiting support plate and the pressing plate and is respectively in sliding connection with the limiting support plate and the pressing plate, a first limiting groove is formed in the sliding block body, the first limiting part is positioned in the first limiting groove, the buckling part and the first inclined wedge part are connected with the sliding block body, and the buckling part is used for being clamped with the screen body;
the first elastic piece is positioned in the first limiting groove, one end of the first elastic piece is connected with the sliding block body, and the other end of the first elastic piece is abutted to the first limiting piece; and
the button comprises a button body and a second inclined wedge part which are connected, and the second inclined wedge part is in sliding connection with the first inclined wedge part; the button body is used for penetrating through the cover plate body and is in sliding connection with the cover plate body.
2. The locker of claim 1, wherein the slider body is provided with a limiting through hole, and the locker further comprises a second limiting member, wherein the second limiting member is connected with the limiting support plate, and the second limiting member is positioned in the limiting through hole and moves relative to the slider body;
the sliding block body is used for moving relative to the second limiting piece when the button body is pressed, and the moving direction of the sliding block body relative to the second limiting piece is parallel to the extending and contracting direction of the first elastic piece.
3. The latch of claim 2 wherein said latch further comprises a fastener; a first connecting hole is formed in the limiting support plate, a mounting hole is formed in the second limiting part, the mounting hole is communicated with the first connecting hole, a second connecting hole corresponding to the mounting hole is formed in the pressing plate, the fastener passes through the second connecting hole, the mounting hole and the first connecting hole in sequence, so that the pressing plate is respectively connected with the second limiting piece and the limiting support plate.
4. The locking device according to claim 1, wherein a first through hole is formed in the limiting support plate, a second through hole is formed in the slider body, the first through hole is communicated with the second through hole, a third through hole is formed in the pressing plate, and the second through hole is communicated with the third through hole; the second inclined wedge part is respectively positioned in the first through hole, the second through hole and the third through hole; the first wedge portion is located in the second through hole.
5. The locking device according to claim 1, wherein the extending and contracting direction of the first elastic member is perpendicular to the sliding direction of the button body.
6. The latch of claim 1 wherein the ends of the catch are chamfered.
7. A power back cover plate for connecting to a screen body of the display screen, wherein the power back cover plate comprises a cover plate body and the locking device of any one of claims 1 to 6, and the button body is arranged on the cover plate body in a penetrating manner and is in sliding connection with the cover plate body.
8. A display screen, which is characterized by comprising a screen body and the power supply rear cover plate of claim 7, wherein the clamping part is clamped with the screen body; the sliding block body is used for sliding relative to the pressing plate when the button body is pressed until the clamping part slides away from the screen body.
9. The display screen according to claim 8, wherein the screen body comprises a screen body, a third limiting piece and a second elastic piece, the screen body is provided with a groove, the third limiting piece and the second elastic piece are all arranged in the groove, the third limiting piece is in sliding connection with the screen body, one end of the second elastic piece is connected with the screen body, and the other end of the second elastic piece is connected with the third limiting piece; when the buckling part slides away from the screen body, the third limiting piece is buckled on the sliding block body.
10. The display screen of claim 9, wherein the slider body is provided with a second limit groove, and the third limit piece is used for being inserted into the second limit groove; the sliding block body is used for sliding relative to the pressing plate when the button body is pressed until the third limiting piece is inserted into the second limiting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710937008.4A CN107610606B (en) | 2017-10-10 | 2017-10-10 | Display screen, power supply back cover plate and locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710937008.4A CN107610606B (en) | 2017-10-10 | 2017-10-10 | Display screen, power supply back cover plate and locking device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107610606A CN107610606A (en) | 2018-01-19 |
| CN107610606B true CN107610606B (en) | 2024-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710937008.4A Active CN107610606B (en) | 2017-10-10 | 2017-10-10 | Display screen, power supply back cover plate and locking device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWI762229B (en) * | 2021-03-05 | 2022-04-21 | 香港商冠捷投資有限公司 | display device |
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| CN107610606A (en) | 2018-01-19 |
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