CN212004897U

CN212004897U - Charged display device using LCD liquid crystal display

Info

Publication number: CN212004897U
Application number: CN202020549921.4U
Authority: CN
Inventors: 万建飞; 汪大杰
Original assignee: Hangzhou Meixi Electronic Technology Co ltd
Current assignee: Hangzhou Meixi Electronic Technology Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2020-11-24
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses an electrified display device using LCD liquid crystal display, which comprises a fixed seat, an electrified display, a locking device and a shell, wherein the locking device comprises a movable groove, a pawl, a groove, a rack, a driving part, a resetting part and a pressure-resisting part; the pawl is meshed with the rack. The utility model discloses a locking device's setting, can realize locking and unblock between shell and the fixing base, make things convenient for the installation of electrified display, the part of pawl can insert on the rack, make pawl and rack toothing, the pawl can be fixed to electrified display with rack toothing, setting through driver part, can make the pawl rotate, make things convenient for the chucking, reset part can make the pawl rotate and reset, it is more convenient to make putting into of electrified display, it can compress tightly the shell to support the pressing part, make the butt more compact between shell and the fixing base, and stability is improved.

Description

Charged display device using LCD liquid crystal display

Technical Field

The utility model belongs to the technical field of the electrified display, especially, relate to an use LCD liquid crystal display's electrified display device.

Background

The live display is a prompting safety device which is directly arranged on indoor electrical equipment and can visually display whether the electrical equipment has operating voltage or not. When equipment has operating voltage, this display window sends the flash of light, warns people that high-tension apparatus is electrified, then does not have when electroless and indicate that this series of device generally installs in inlet wire generating line, circuit breaker, main change, cubical switchboard, GIS combined electrical apparatus and other needs show that whether electrified place prevents electric maloperation, but current electrified display dismouting is comparatively inconvenient, can not pull down after the installation, the easy not hard up scheduling problem after long-time the use.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome prior art not enough, provide a simple to operate's electrified display device who uses LCD liquid crystal display.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a live display device using LCD liquid crystal display comprises a fixed seat preinstalled on electrical equipment, a live display arranged on the fixed seat, a locking device used for fixing the live display and the fixed seat, and a shell arranged on the outer side of the live display, wherein the locking device comprises two movable grooves arranged on the fixed seat, pawls rotatably arranged on the movable grooves, grooves arranged on two sides of the shell, racks arranged in the grooves, a driving part used for pushing the pawls to rotate, a reset part matched with the pawls, and a pressing part used for pressing the live display; the pawl is meshed with the rack.

The utility model discloses a locking device's setting, can realize locking and unblock between shell and the fixing base, make things convenient for the installation of electrified display, the part of pawl can insert on the rack, make pawl and rack toothing, the fixing base is adorned on electrical equipment in advance, the shell is located the outside of electrified display, and is not fragile, easy to assemble, the activity trench is in the fixing base, the pawl can be at the activity inslot internal rotation, the recess is located the shell both sides, the rack is located the inside of recess, the pawl can fix the electrified display with rack toothing, setting through driver part, can make the pawl rotate, make things convenient for the chucking, reset part can make the pawl rotate and reset, it is more convenient to make putting into of electrified display, it can compress tightly the shell to support the splenium, make the butt more compact between shell and the fixing base, improve stability.

Preferably, the pawl comprises a fixed shaft arranged on the movable groove, a rotating rod arranged on the fixed shaft, a convex part arranged at one end of the rotating rod and gear shaping arranged on the convex part; the gear shaping is meshed with the rack; the fixed shaft is positioned in the movable groove, the rotating rod can rotate around the fixed shaft, the pawl can conveniently lock and unlock the charged display, the convex part can enable the gear shaping to be conveniently inserted into the rack, and the gear shaping is meshed with the rack to facilitate locking.

Preferably, the driving part comprises an inserted rod fixed on the driving part, an inserting groove arranged on the rotating rod, a first sliding groove arranged at the other end of the inserted rod, an ejector rod matched with the inserted rod, a push block abutted against the ejector rod, a second sliding groove arranged on the shell, a third sliding groove arranged on the shell and a pushing part used for pushing the push plate; one end of the inserted bar is abutted against the slot, the ejector rod is abutted against the inserted bar, and the push block is abutted against the ejector rod; the one end of inserted bar slides and locates on first spout, and the other end and the slot butt of inserted bar can promote the dwang and rotate, and the one end of ejector pin is located first spout, and the ejector pin can be supported the inserted bar and make the dwang rotate, and the ejector pad slides and locates on the shell, and the ejector pad can slide in second spout inside, and ejecting piece and ejector pad butt only need control ejecting piece can drive the dwang and rotate, make the locking and the unblock of electrified display more convenient.

Preferably, the push block comprises an inclined part matched with the ejector rod, a sliding part arranged on the second sliding groove, a third spring arranged on the sliding part and a connecting part arranged between the inclined part and the sliding part, and the inclined part is abutted to the ejector rod; the inclined portion and the ejector rod butt, the sliding portion is located inside the second chute, the connecting portion are located between the inclined portion and the sliding portion, the sliding portion is pushed to drive the inclined portion and the ejector rod to move, the rotating of the rotating rod is made to be more convenient, the third spring enables the sliding portion to reset, and unlocking is facilitated.

Preferably, the ejecting piece comprises a plate body arranged in the third sliding groove, a protruding part arranged on one side of the plate body and a sliding block arranged on the other side of the plate body; the convex part is abutted against the sliding part, the sliding block part is positioned on the outer side of the shell, and the sliding part is provided with a concave part matched with the convex part; the plate body is located inside the third spout, and the bellying is located one side of plate body, and bellying and sliding part butt can promote the ejector pin motion, and the setting up of concave part enables the bellying and is difficult for deviating from, makes locking stable, and the slider is located the outside of shell, through the lift of the steerable plate body of slip slider promptly, makes electrified display's locking and unblock more convenient.

Preferably, a plurality of clamping teeth are arranged on the rack, and one end of each clamping tooth is arc-shaped; one side of the latch is perpendicular to the moving direction of the charged display, one side of the gear shaping is perpendicular to the moving direction of the charged display, so that the gear shaping and the latch can be attached to each other in parallel, the gear shaping and the latch are not easy to separate, and the arc-shaped end part enables the charged display to be more conveniently placed.

Preferably, the reset component comprises two first guide rods, a first guide groove matched with the first guide rods and a first spring arranged between the convex part and the movable groove; the first guide rod part is positioned in the first guide groove; first guide arm is located the both sides of convex part, and first guide arm slides and locates inside first guide slot, makes the dwang rotate the in-process and receive the direction, and first spring coupling convex part and movable groove can be taut to the dwang, make the dwang can in time reset, make the unblock convenient.

Preferably, the fixed seat is provided with a second guide rod, and the shell is provided with a second guide groove matched with the second guide rod; the second guide rod is inserted into the second guide groove; the second guide rod is located the upper and lower inner wall of fixing base, and the second guide rod can insert inside the second guide slot, can lead to electrified display, prevents that the angle skew from appearing in the installation.

Preferably, the pressing part comprises a fixed plate arranged on the fixed seat, a plurality of second springs arranged on the fixed plate and a pressing plate arranged at the other end of the second springs; the pressing plate is abutted with the shell; the fixed plate sets firmly on the fixing base, and after the installation was accomplished, the second spring can promote to support the clamp plate to exert pressure to electrified display, prevent to become flexible between latch and the gear shaping, make locking more firm.

To sum up, the utility model discloses cross locking device's setting, can realize locking and unblock between shell and the fixing base, make things convenient for the installation of electrified display, the part of pawl can insert on the rack, make pawl and rack toothing, the fixing base is adorned on electrical equipment in advance, the shell is located the outside of electrified display, and is not fragile, easy to assemble, the activity trench is located the fixing base, the pawl can be at the activity inslot internal rotation, the recess is located the shell both sides, the rack is located the inside of recess, the pawl can be fixed to electrified display with rack toothing, setting through driver part, can make the pawl rotate, make things convenient for the chucking, reset part can make the pawl rotate and reset, it is more convenient to make putting into of electrified display, it can compress tightly the shell to support the splenium, make the butt more compact between shell and the fixing base, and stability is improved.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a front view of the present invention.

Fig. 3 is a cross-sectional view taken at a-a in fig. 2.

Fig. 4 is an enlarged view of a portion a in fig. 3.

Fig. 5 is an enlarged view at B in fig. 3.

Fig. 6 is a cross-sectional view taken at B-B in fig. 2.

Fig. 7 is a cross-sectional view at C-C in fig. 2.

Fig. 8 is a cross-sectional view at C in fig. 7.

Fig. 9 is a left side view of the present invention.

Fig. 10 is a cross-sectional view taken at D-D in fig. 9.

Fig. 11 is an enlarged view at D in fig. 10.

Detailed Description

As shown in fig. 1 to 11, an electrified display device using LCD liquid crystal display includes a fixing base 1, a housing 4, a locking device and an electrified display 2, the fixing base 1 is made of metal and is pre-installed on an electrical device, the electrified display 2 is installed in the fixing base 1 through the housing 4, the housing 4 is made of plastic material, a screen of the electrified display 2 is made of black and white liquid crystal for displaying, the black and white liquid crystal can be lighted through an alternating current signal generated by a capacitance sensor, a power supply drive is not required to be additionally installed outside the electrified display 2, and the installation is convenient, the locking device includes a movable slot 31, a pawl 32, a groove 33, a rack 34, a driving part, a reset part and a pressing part; the movable groove 31 is located on the side wall of the fixed seat 1, the pawl 32 is made of plastic materials, the groove 33 is located inside and can be provided with the rack 34, the rack 34 is made of plastic, the end part of the pawl 32 can be inserted into the rack 34, locking and unlocking between the fixed seat 1 and the shell 4 can be convenient, and the installation of the electrified display 2 is more convenient.

Further, the pawl 32 includes a fixed shaft 321, a rotating rod 322, a convex portion 323 and a gear shaping 324; the fixing shaft 321 is made of metal, damage is reduced, one side of the middle of the rotating rod 322 is installed on the fixing shaft 321, the convex part 323 is located at one end of the rotating rod 322, the gear shaping 324 is located on the convex part 323, one end of the convex part 323 is shorter than the fixing shaft 321, the other end of the rotating rod 322 is longer than the fixing shaft 321, the pawl 32 forms a labor-saving lever and is convenient to rotate, and the gear shaping 324 is meshed with the rack 34 and can be convenient to lock the pawl 32 and the rack 34.

Specifically, in order to control the rotation of the rotation rod 322, the driving part includes an insertion rod 351, a slot 352, a first chute 353, a top rod 354, a push block 355, a second chute 356, a third chute 357 and an ejector 358; the insertion rod 351 is made of plastic or metal, the insertion groove 352 is positioned on the rotating rod 322, the first sliding groove 353 is positioned on the fixed seat 1, so that the insertion rod 351 can extend and retract in the insertion groove, the top rod 354 is made of metal or plastic, the part of the top rod 354 is positioned in the first sliding groove 353, one ends of the insertion rod 351 and the top rod 354 positioned in the first sliding groove 353 cannot be separated from the first sliding groove 353, the push block 355 is slidably arranged on the second sliding groove 356, and is made of metal, the third sliding groove 357 is located inside the housing 4, the knock-out member 358 is made of metal, and can slide in the third slide groove 357, the push block 355 abuts against the top rod 354, the ejector 358 can slide the push block 355 in the second slide groove 356, meanwhile, the push rod 354 and the insertion rod 351 can be pushed, the insertion rod 351 can push the insertion groove 352 open and enable the rotating rod 322 to rotate, the gear shaping teeth 324 can be inserted into the rack 34, and locking between the pawl 32 and the electrified display 2 is facilitated.

Furthermore, in order to make the rotating rod 322 rotate more conveniently, the pushing block 355 includes an inclined portion 3551, a sliding portion 3552, a third spring 3553 and a connecting portion 3554, the inclined portion 3551 is located at one side of the housing 4, one side surface of the inclined portion 3551 abuts against the top rod 354, the sliding portion 3552 is located inside the second sliding groove 356, the connecting portion 3554 is used for connecting the inclined portion 3551 and the sliding portion 3552, the sliding portion 3552 can slide inside the second sliding groove 356 to enable the inclined portion 3551 to push the top rod 354 to move, so that the rotating rod 322 can rotate conveniently, and the locking is convenient.

Specifically, in order to facilitate the rotation and fixation of the rotation rod 322, the ejecting member 358 includes a plate body 3581, a protruding portion 3582 and a sliding block 3583; boss 3582 and sliding part 3552 butt, slider 3583 part are located the outside of shell 4, be equipped with concave part 3584 on the sliding part 3552, plate body 3581 is the long slab that the metal was made, can slide in third spout 357 inside, boss 3582 sets firmly on plate body 3581, can push sliding part 3552 to the inside side removal, make things convenient for the rotation of dwang 322, concave part 3584 is located sliding part 3552, can make boss 3582 difficult break away from, make the difficult separation with rack 34 of inserted tooth 324, it is more stable to lock.

Further, in order to facilitate the installation of the charged display 2, the rack 34 is provided with a latch 341, and one end of the latch 341 is arc-shaped; the latch 341 is multiple, and is made of plastic, the arc-shaped end of the latch 341 can facilitate the charged display 2 to be placed into the fixing base 1, and more specifically, one side surface of the latch 341 is parallel to one side surface of the gear shaping 324, and is perpendicular to the moving direction of the charged display 2, the other side surface of the latch 341 is parallel to the other side surface of the gear shaping 324, and is obliquely arranged between the housing 4 and the fixing base 1, in the installation process of the charged display 2, the oblique side surface of the gear shaping 324 contacts with the oblique side surface of the latch 341, so that the charged display 2 can be more conveniently installed inside the fixing base 1, after the installation is completed, the perpendicular side surface of the gear shaping 324 contacts with the perpendicular side surface of the gear shaping 341, so that the gear shaping 324 is not easy to be separated from the gear 341, and the fixation is more stable.

Specifically, for the unblock convenience between messenger's pawl 32 and the rack 34, reset part includes first guide arm 361, first guide slot 362 and first spring 363, and first guide arm 361 is two for locating convex part 323 both sides, is the metal and makes, and first guide slot 362 is located one side of activity groove 31, can lead to dwang 322 rotation process, is difficult for appearing great deflection, inside first guide arm 361 part was located first guide slot 362, third spring 3553 linked to each other with convex part 323, can pull back dwang 322 original place, can in time reset dwang 322, make things convenient for electrified display 2's change.

Further, in order to prevent the angle deflection in the installation process of the charged display 2, a second guide rod 11 is arranged on the fixed seat 1, and a second guide groove 12 is arranged on the shell 4; second guide arm 11 pegs graft inside second guide slot 12, and second guide arm 11 is two, fixes respectively on the roof and the diapire of fixing base 1, and second guide arm 11 pegs graft in second guide slot 12, can make things convenient for electrified display 2's direction, prevents that the angle skew from

Specifically, in order to make the locking process more stable, the pressing member includes a fixing plate 371, a second spring 372 and a pressing plate 373; support

clamp plate

373 and 4 butts of shell, and fixed plate 371 is made for the metal, links firmly on fixing base 1, and second spring 372 is a plurality of, evenly arranges on fixed plate 371, supports clamp plate 373 to be located the other end of second spring 372, can support electrified display 2, makes gear shaping 324 difficult and the separation of rack 34, makes between electrified display 2 and the fixing base 1 more firm.

The specific working principle is as follows: when the charged display 2 needs to be locked, the sliding slider 3583 makes the protruding portion 3582 on the plate 3581 abut against the sliding portion 3552, the inclined portion 3551 pushes the push rod 354 and the insert rod 351, the insert rod 351 abuts against the slot 352 and the rotating rod 322 rotates, the insert tooth 324 on the pawl 32 can be inserted into the rack 34 to complete locking, when the charged display 2 needs to be replaced, the slider 3583 slides upwards to make the protruding portion 3582 on the plate 3581 disengage from the sliding portion 3552, at this time, the third spring 3553 pushes the sliding portion 3552 to reset, the first spring 363 pulls the rotating rod 322 to reset, the insert tooth 324 disengage from the rack 34, and unlocking is completed.

Claims

1. The utility model provides an use LCD liquid crystal display's electrified display device, includes fixing base (1) of preassembleing on electrical equipment, locates electrified display (2) on fixing base (1), is used for fixing the locking device of electrified display (2) and fixing base (1) and locates shell (4) in electrified display (2) outside, its characterized in that: the locking device comprises two movable grooves (31) arranged on the fixed seat (1), a pawl (32) rotatably arranged on the movable grooves (31), grooves (33) arranged on two sides of the shell (4), a rack (34) arranged in the grooves (33), a driving part used for pushing the pawl (32) to rotate, a resetting part matched with the pawl (32) and a pressing part used for pressing the charged display (2); the pawl (32) is engaged with the rack (34).

2. The charged display device using LCD liquid crystal display according to claim 1, wherein: the pawl (32) comprises a fixed shaft (321) arranged on the movable groove (31), a rotating rod (322) arranged on the fixed shaft (321), a convex part (323) arranged at one end of the rotating rod (322) and a gear shaping (324) arranged on the convex part (323); the gear shaping (324) is meshed with the rack (34).

3. The charged display device using LCD liquid crystal display according to claim 1, wherein: the driving part comprises an inserted rod (351) which is fixedly arranged, an inserting groove (352) which is arranged on the rotating rod (322), a first sliding groove (353) which is arranged at the other end of the inserted rod (351), a top rod (354) which is matched with the inserted rod (351), a push block (355) which is abutted to the top rod (354), a second sliding groove (356) which is arranged on the shell (4), a third sliding groove (357) which is arranged on the shell (4) and a pushing piece (358) which is used for pushing the push plate; one end of the inserting rod (351) is abutted with the inserting groove (352), the ejector rod (354) is abutted with the inserting rod (351), and the push block (355) is abutted with the ejector rod (354).

4. The charged display device using LCD liquid crystal display according to claim 3, wherein: the push block (355) comprises an inclined part (3551) matched with the ejector rod (354), a sliding part (3552) arranged on the second sliding groove (356), a third spring (3553) arranged on the sliding part (3552) and a connecting part (3554) arranged between the inclined part (3551) and the sliding part (3552), and the inclined part (3551) is abutted to the ejector rod (354).

5. The charged display device using LCD liquid crystal display according to claim 3, wherein: the jacking piece (358) comprises a plate body (3581) arranged in the third sliding groove (357), a boss (3582) arranged on one side of the plate body (3581) and a sliding block (3583) arranged on the other side of the plate body (3581); the protruding part (3582) abuts against the sliding part (3552), the sliding block (3583) is partially positioned on the outer side of the shell (4), and a concave part (3584) matched with the protruding part (3582) is arranged on the sliding part (3552).

6. The charged display device using LCD liquid crystal display according to claim 1, wherein: the rack (34) is provided with a plurality of clamping teeth (341), and one end of each clamping tooth (341) is arc-shaped.

7. The charged display device using LCD liquid crystal display according to claim 1, wherein: the reset component comprises a first guide rod (361), a first guide groove (362) matched with the first guide rod (361) and a first spring (363) arranged between the convex part (323) and the movable groove (31); the first guide bar (361) is partially located inside the first guide groove (362).

8. The charged display device using LCD liquid crystal display according to claim 1, wherein: a second guide rod (11) is arranged on the fixed seat (1), and a second guide groove (12) matched with the second guide rod (11) is arranged on the shell (4); the second guide rod (11) is inserted into the second guide groove (12).

9. The charged display device using LCD liquid crystal display according to claim 1, wherein: the pressing component comprises a fixed plate (371) arranged on the fixed seat (1), a plurality of second springs (372) arranged on the fixed plate (371) and a pressing plate (373) arranged at the other end of each second spring (372); the pressing plate (373) is abutted with the shell (4).