CN217899295U - Liquid crystal display screen for mine - Google Patents

Abstract

The utility model discloses a liquid crystal display for mine, include: a display screen body; the stone blocking plate is arranged on the upper side of the display screen body and partially protrudes out of the front surface of the display screen body; dust removal mechanism, including dust removal brush and the driving piece that the transmission is connected, the display screen body front side is located in the vertical activity of dust removal brush, and the driving piece is used for driving the vertical activity of dust removal brush to clean this front surface of display screen. The utility model discloses a set up the fender stone board for block the rubble that probably drops, thereby prevent that it from scraping bad screen, through setting up driving piece and dust removal brush, thereby can clean the dust of this front surface of display screen, not only be convenient for observe, can also avoid the dust to influence display screen body life simultaneously.

Description

Liquid crystal display screen for mine

Technical Field

The utility model relates to a display device technical field, in particular to liquid crystal display for mine.

Background

With advances in technology and increasing emphasis on safe mining, more and more safety-related equipment is being applied to the mining industry. Wherein, people adopt positioning device and display device to confirm the position of staff in the mine hole to can carry out the rescue means fast when guaranteeing the occurence of failure. The staff carries the positioning device, and the display device displays the position of the staff in real time. Display device generally uses liquid crystal display, places in the mine hole entrance, and the mine hole entrance is being filled with a large amount of dusts, and it has some tiny rubbles to drop still to fall in the field, uses for a long time, and a large amount of dusts can be built up on the display screen surface, influences observation and display screen life-span, still exists the possibility of being scraped the screen by the rubble that drops.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model provides a liquid crystal display for mine can self-cleaning surface dust, and is not fragile.

According to the utility model discloses liquid crystal display for mine, include: a display screen body; the stone blocking plate is arranged on the upper side of the display screen body and partially protrudes out of the front surface of the display screen body; the dust removal mechanism comprises a dust removal brush and a driving piece which are connected in a transmission mode, the dust removal brush is vertically movably arranged on the front side of the display screen body, and the driving piece is used for driving the dust removal brush to vertically move so as to clean the front surface of the display screen body.

According to the utility model discloses liquid crystal display for mine has following beneficial effect at least:

through setting up the fender slabstone for block the rubble that probably drops, thereby prevent that it from scraping bad screen, through setting up driving piece and dust removal brush, thereby can clean the dust of this front surface of display screen, the observation of not only being convenient for can also avoid the dust to influence display screen body life simultaneously.

According to the utility model discloses a some embodiments, the display screen body left and right sides all is equipped with the mounting bracket, keep off slabstone can dismantle connect in two the mounting bracket top, be equipped with the butt groove on the mounting bracket, keep off slabstone in the front side of display screen body articulates there is the bracing piece, bracing piece free end embedding and butt in the butt groove.

According to some embodiments of the utility model, mounting bracket one side is equipped with the U template, in order to form the butt groove, the butt groove is upwards inclined.

According to the utility model discloses a some embodiments, the display screen body left and right sides all is equipped with the connecting seat, one of them the connecting seat with the driving piece is connected, another the vertical slidable mounting of connecting seat in the display screen body, the dust removal brush can connect with dismantling two between the connecting seat.

According to the utility model discloses a some embodiments, the driving piece includes lead screw, motor, driving sleeve, the lead screw around vertical central axis rotate install in display screen body one side, the motor with the lead screw is connected, is used for the drive the lead screw rotates, driving sleeve threaded connection in the lead screw and with one of them the connection can be dismantled to the connecting seat.

According to the utility model discloses a some embodiments, display screen body one side is equipped with the guide pillar of vertical extension, keeps away from the driving piece the connecting seat can be dismantled and be connected with the uide bushing, the uide bushing slip cap is located the guide pillar.

According to the utility model discloses a some embodiments, two the opposite side of connecting seat all is equipped with the mounting groove, two mounting groove front end opening, both ends all partially imbed corresponding side about the dust removal brush the mounting groove, both ends all are equipped with the step face about the dust removal brush, be used for with two the opposite side of connecting seat offsets, be equipped with the spacing subassembly of ability elastic activity on the connecting seat, be used for the restriction the dust removal brush deviates from the outside displacement of mounting groove.

According to the utility model discloses a some embodiments, spacing subassembly includes stopper, spring, stopper horizontal sliding installation in the mounting groove, spring mounting in mounting groove and both ends respectively with the mounting groove cell wall and the stopper offsets, be used for applying the elastic force for the stopper is so that it keeps being located the state of dust removal brush front side.

According to the utility model discloses a some embodiments, be equipped with the erection column on the stopper, the erection column horizontal slip is worn to locate the connecting seat, and wears out the one end threaded connection of connecting seat has stop nut, the spring housing is located the erection column.

According to the utility model discloses a some embodiments, two the opposite side of mounting groove all is equipped with about extends and both ends confined spacing groove around, stopper slip embedding the spacing groove.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The invention is further described with reference to the following figures and examples, in which:

fig. 1 is a schematic view of an installation structure of a liquid crystal display screen for a mine according to an embodiment of the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

fig. 3 is an exploded view of the installation state of the dust brush and the connecting seat according to the embodiment of the present invention.

Reference numbers:

the display screen comprises a display screen body 100, a connecting plate 101, a mounting frame 110, a U-shaped plate 111, a sliding chute 112, an abutting groove 120, a connecting seat 130, a mounting groove 131, a limiting groove 132, a guide pillar 140, a guide sleeve 150, a limiting component 160, a limiting block 161, a spring 162, a mounting column 163, a limiting nut 164, a supporting frame 170 and a mounting hole 171;

a stone blocking plate 200 and a support rod 210;

the dust removing device comprises a dust removing mechanism 300, a dust removing brush 310, a step surface 311, a connecting part 312, a cleaning part 313, a driving part 320, a screw rod 321, a motor 322 and a transmission sleeve 323.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are exemplary only for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship referred to in the description of the orientation, such as the upper and lower directions, is the orientation or positional relationship shown on the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore should not be construed as limiting the present invention.

In the description of the present invention, a plurality means two or more. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the terms such as setting, installing, connecting, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meaning of the terms in the present invention by combining the specific contents of the technical solution.

Referring to fig. 1, the utility model relates to a liquid crystal display for mine of embodiment includes: display screen body 100, keep off slabstone 200, dust removal mechanism 300.

The display screen body 100 comprises a screen and a shell, the rear side of the shell is connected with a supporting frame 170 for supporting and fixing the display screen body 100, and specifically, the bottom end of the supporting frame 170 is provided with a plurality of mounting holes 171 which can be matched with foundation bolts for mounting and fixing.

The stone blocking plate 200 is arranged on the upper side of the display screen body 100 and partially protrudes out of the front surface of the display screen body 100, and is used for blocking falling objects on the upper side of the display screen body 100 and preventing gravel from falling and scratching the screen. Specifically, the left side and the right side of the stone baffle plate 200 extend out of the edge of the display screen body 100, so as to ensure the protection effect.

The dust removing mechanism 300 comprises a dust removing brush 310 and a driving member 320 which are in transmission connection, the dust removing brush 310 is vertically movably arranged on the front side of the display screen body 100, and the driving member 320 is used for driving the dust removing brush 310 to vertically move so as to clean the surface of the display screen body 100, so that dust is scraped off, and accumulation is prevented, particularly, the surface of a screen is cleaned. Through the arrangement of the stone blocking plate 200, broken stones or other fine solid objects which may fall off can be blocked, and the phenomenon that the service life is shortened due to the fact that the screen is scratched by the broken stones or other fine solid objects is prevented; through setting up driving piece 320 and dust removal brush 310, utilize driving piece 320 drive dust removal brush 310 vertical activity to clean display screen body 100 surface, thereby can prevent the dust and build up, when being convenient for observe, life is longer.

Referring to fig. 1 and 2, it can be understood that the left and right sides of the display screen body 100 are provided with the mounting brackets 110, the baffle plate 200 is detachably connected to the top ends of the two mounting brackets 110, specifically, the left and right sides of the display screen body 100 are provided with the connecting plates 101, the mounting brackets 110 are mounted on the connecting plates 101, the baffle plate 200 is connected with the mounting brackets 110 through fasteners, the mounting brackets 110 are provided with the abutting grooves 120, the baffle plate 200 is hinged to the front side of the display screen body 100 with the supporting rods 210, the free ends of the supporting rods 210 are embedded and abutted to the abutting grooves 120, it can be understood that the part of the baffle plate 200 extending out of the front side of the display screen body 100 is easy to deform if not supported, and the structure of the baffle plate 200 can be more stable by the supporting rods 210, in addition, the abutting grooves 120 are provided on the mounting brackets 110 for the free ends of the supporting rods 210 to be embedded, thereby providing non-connected support for the supporting rods 210, reducing the use of connecting members, and being more convenient to disassemble and assemble. Specifically, in this embodiment, the supporting rods 210 are disposed on the left and right sides of the stone blocking plate 200, and respectively abut against the two mounting frames 110.

Referring to fig. 1 and 2, it can be understood that one side of the mounting frame 110 is provided with a U-shaped plate 111 to form the abutting groove 120, and the mounting frame is convenient to process and manufacture, and further, the abutting groove 120 inclines upward forward, so as to provide a stable support for the supporting rod 210, the supporting rod 210 is not easy to separate from the abutting groove 120, specifically, one end of the supporting rod 210 embedded in the abutting groove 120 is L-shaped, so as to increase the abutting range with the abutting groove 120, and the support is more stable and reliable.

Referring to fig. 1 and 3, it can be understood that the left and right sides of the display screen body 100 are provided with the connecting seats 130, one of the connecting seats 130 is connected with the driving member 320, another connecting seat 130 is vertically slidably mounted on the display screen body 100, guide is provided for the vertical movement of the dust removing brush 310, the dust removing brush 310 can be detachably connected between the two connecting seats 130, the driving member 320 vertically moves through the driving connecting seats 130, so as to drive the dust removing brush 310 to vertically move, the dust removing brush 310 can be detachably connected between the two connecting seats 130, so that the dust removing brush 310 can be conveniently replaced, and the connecting member between the connecting seats 130 and the driving member 320 does not need to be detached.

Referring to fig. 1, it can be understood that the driving member 320 includes a screw rod 321, a motor 322, and a transmission sleeve 323, the screw rod 321 is rotatably mounted on one side of the display screen body 100 around a vertical central axis, the motor 322 is connected to the screw rod 321 for driving the screw rod 321 to rotate, and the transmission sleeve 323 is in threaded connection with the screw rod 321 and is detachably connected with one of the connection seats 130; specifically, in this embodiment, the lead screw 321 is rotatably installed on the left mounting bracket 110, the motor 322 is installed at the bottom end of the left mounting bracket 110, the vertical chute 112 is arranged on the mounting bracket 110, the transmission sleeve 323 is slidably arranged in the chute 112 and attached to the left side wall and the right side wall of the chute 112, the transmission sleeve 323 is connected with the left connecting seat 130 through a fastener, the lead screw 321 is driven to rotate through the motor 322, so as to drive the transmission sleeve 323 to vertically move, thereby realizing the vertical movement of the dust removing brush 310, and automatically cleaning dust on the surface of the display screen body 100.

Referring to fig. 1, it can be understood that a vertically extending guide post 140 is disposed on one side of the display screen body 100, a guide sleeve 150 is detachably connected to the connecting base 130 far away from the driving member 320, the guide sleeve 150 is slidably sleeved on the guide post 140, specifically, the guide post 140 is vertically disposed on the right mounting frame 110, the guide sleeve 150 is connected to the right connecting base 130 through a fastener, so as to facilitate assembly and disassembly, and the guide sleeve 150 and the guide post 140 are disposed to realize the sliding installation of the right connecting base 130, so that the structure is simple; it can be understood that the right side of the mounting frame 110 is also provided with the sliding slot 112, and the left and right side walls of the guide sleeve 150 are attached to the left and right side walls of the sliding slot 112, so that the structure is more stable.

Referring to fig. 1 and 3, it can be understood that the opposite sides of the two connecting seats 130 are respectively provided with a mounting groove 131, the front ends of the two mounting grooves 131 are open, the left and right ends of the dust removing brush 310 are partially embedded into the mounting grooves 131 of the corresponding sides and are adhered to the upper and lower walls of the mounting grooves, the left and right ends of the dust removing brush 310 are respectively provided with a step surface 311 for abutting against the opposite sides of the two connecting seats 130 to limit the left and right displacement of the dust removing brush 310, the connecting seats 130 are provided with a limiting component 160 capable of elastically moving for limiting the outward displacement of the dust removing brush 310 away from the mounting grooves 131, so that the end portions of the dust removing brush 310 are kept in the connecting seats 130, it can be understood that the limiting component 160 can elastically move to a moving path avoiding the dust removing brush 310 from the mounting grooves 131, so as to facilitate the detachment and replacement of the dust removing brush 310, and the rapid detachment and installation of the dust removing brush 310 can be realized through the above arrangement. Specifically, in this embodiment, the dust removing brush 310 includes a connecting portion 312 and a cleaning portion 313, the connecting portion 312 is used for connecting with the connecting seat 130, and the cleaning portion 313 is made of soft material such as sponge and is used for cleaning the display screen body 100.

Referring to fig. 1 and 3, it can be understood that the limiting assembly 160 includes a limiting block 161 and a spring 162, the limiting block 161 is slidably installed in the installation groove 131 from left to right, the spring 162 is installed in the installation groove 131, and two ends of the spring 162 respectively abut against the groove wall of the installation groove 131 and the limiting block 161, and is used for applying an elastic force to the limiting block 161 to keep the limiting block 161 in a state of being located at the front side of the dust removing brush 310, so as to limit the end of the dust removing brush 310 in the installation groove 131.

Referring to fig. 1 and 3, it can be understood that a mounting post 163 is arranged on the limiting block 161, the mounting post 163 slides left and right to penetrate through the connecting seat 130, a limiting nut 164 is connected to one end of the mounting post which penetrates through the connecting seat 130 in a threaded manner, the mounting post 163 is sleeved with the spring 162, a mounting position and a guide are provided for the spring 162 by arranging the mounting post 163, the structure is more stable, and the limiting block 161 is prevented from being separated from the mounting groove 131 by arranging the limiting nut 164.

Referring to fig. 1 and 3, it can be understood that the opposite sides of the two mounting grooves 131 are respectively provided with a limiting groove 132 extending left and right and having two closed ends, and the limiting block 161 is slidably embedded into the limiting groove 132, so that the front and rear limiting blocks 161 are prevented from being damaged by bending of the mounting post 163 due to forward force applied to the limiting block 161, and the left and right sliding of the limiting block 161 is smooth.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (10)

1. A liquid crystal display screen for a mine, comprising:

a display screen body (100);

the stone blocking plate (200) is arranged on the upper side of the display screen body (100) and partially protrudes out of the front surface of the display screen body (100);

dust removal mechanism (300), including dust removal brush (310) and driving piece (320) that the transmission is connected, the vertical activity of dust removal brush (310) is located display screen body (100) front side, driving piece (320) are used for the drive the vertical activity of dust removal brush (310), in order to clean display screen body (100) front surface.

2. The liquid crystal display screen for mine use according to claim 1, wherein: display screen body (100) left and right sides all is equipped with mounting bracket (110), keep off slabstone (200) can dismantle connect in two mounting bracket (110) top, be equipped with butt joint groove (120) on mounting bracket (110), keep off slabstone (200) in the front side of display screen body (100) articulates there is bracing piece (210), bracing piece (210) free end embedding and butt in butt joint groove (120).

3. The liquid crystal display screen for mine use of claim 2, wherein: and a U-shaped plate (111) is arranged on one side of the mounting frame (110) to form the butting groove (120), and the butting groove (120) is inclined forwards and upwards.

4. The liquid crystal display for mine use of claim 1, wherein: the left side and the right side of the display screen body (100) are respectively provided with a connecting seat (130), one of the connecting seats (130) is connected with the driving piece (320), the other connecting seat (130) is vertically slidably mounted on the display screen body (100), and the dust removing brush (310) can be detachably connected between the two connecting seats (130).

5. The liquid crystal display screen for mine use according to claim 4, characterized in that: the driving piece (320) comprises a screw rod (321), a motor (322) and a transmission sleeve (323), the screw rod (321) is rotatably installed on one side of the display screen body (100) around a vertical central axis, the motor (322) is connected with the screw rod (321) and used for driving the screw rod (321) to rotate, and the transmission sleeve (323) is in threaded connection with the screw rod (321) and one of the screw rod and the connecting seat (130) in a detachable mode.

6. The liquid crystal display screen for mine use according to claim 4, characterized in that: the display screen comprises a display screen body (100), wherein a guide post (140) which extends vertically is arranged on one side of the display screen body (100), a guide sleeve (150) is detachably connected to a connecting seat (130) which is far away from a driving piece (320), and the guide sleeve (150) is slidably sleeved on the guide post (140).

7. The liquid crystal display screen for mine use according to claim 4, characterized in that: the dust removing device is characterized in that mounting grooves (131) are formed in the opposite sides of the two connecting seats (130), the front ends of the two mounting grooves (131) are open, the left end and the right end of the dust removing brush (310) are partially embedded into the mounting grooves (131) of the corresponding sides, step surfaces (311) are arranged at the left end and the right end of the dust removing brush (310) and used for abutting against the opposite sides of the two connecting seats (130), and a limiting component (160) capable of moving elastically is arranged on the connecting seats (130) and used for limiting outward displacement of the dust removing brush (310) away from the mounting grooves (131).

8. The liquid crystal display for mine use of claim 7, wherein: the limiting assembly (160) comprises a limiting block (161) and a spring (162), the limiting block (161) is installed in the installation groove (131) in a left-right sliding mode, the spring (162) is installed in the installation groove (131), two ends of the spring are respectively abutted against the groove wall of the installation groove (131) and the limiting block (161), and elastic force is applied to the limiting block (161) to enable the limiting block (161) to be kept in a state of being located on the front side of the dust removing brush (310).

9. The liquid crystal display for mine use of claim 8, wherein: the limiting block (161) is provided with a mounting column (163), the mounting column (163) slides left and right to penetrate through the connecting seat (130), one end of the connecting seat (130) is in threaded connection with a limiting nut (164), and the mounting column (163) is sleeved with the spring (162).

10. The liquid crystal display for mine use of claim 9, wherein: two the opposite side of mounting groove (131) all is equipped with about extending and both ends confined spacing groove (132) around, stopper (161) slip embedding spacing groove (132).

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