CN209607331U - Protective device - Google Patents

Abstract

The utility model belongs to display screen technology field; more particularly to a kind of protective device; including installation part, shielding angle, elastic component, resetting-mechanism and button; the side of installation part is equipped with the display location installed for display screen; the intercommunicating pore for being additionally provided with installation cavity on installation part and being communicated with installation cavity; shielding angle is equipped with connecting shaft; connecting shaft passes through intercommunicating pore and protrudes into installation cavity and in mobile to drive shielding angle to protrude into or exit display location in intercommunicating pore; one end of elastic component is fixedly connected with connecting shaft, and the other end of elastic component is fixedly installed in installation cavity；Resetting-mechanism is installed in installation cavity; resetting-mechanism is used to abut when shielding angle protrudes into display location with connecting shaft mobile to limit connecting shaft; button connect with resetting-mechanism and is used to control resetting-mechanism movement to release the limitation to connecting shaft, and button extends outside installation part.The protective device of the utility model, button press can be realized as the reset operation of shielding angle, easy to operate, time saving and energy saving.

Description

Protective device

Technical field

The utility model belongs to display screen technology field more particularly to a kind of protective device.

Background technique

With popularizing for small space distance LED display screen, the spacing between lamp bead on small space distance LED display screen is smaller and smaller, Bonding area is also corresponding between lamp bead and carrier pcb board is reduced, and the weld strength of lamp bead also generally reduces, the lamp bead of four side of installation part The probability for being knocked failure also substantially increases, and the shock failure of lamp bead will have a direct impact on the display effect of display screen.Therefore, It is equipped with shielding angle on the installation part of current LED display, during the carrying and placement of LED display, is needed When releasing outside installation part by shielding angle and be moved to the outside of lamp bead, shielding angle stops external component directly mutually to hit with lamp bead, Play the role of protecting lamp bead；When shielding angle needs to be retracted into installation part, the method generally used is that personnel push directly on Installation part outer portion is protruded out on shielding angle, so that shielding angle is pushed into inside installation part；But personnel pushed actual Cheng Zhong is easy to touch the lamp bead on display screen, falling off and damage so as to cause lamp bead, meanwhile, it is time-consuming using manual operation Arduously.

Utility model content

The purpose of this utility model is to provide a kind of protective devices, it is intended to solve the guarantor of protective device in the prior art Corner protector is due to the technical issues of easily leading to lamp bead damage using artificial push.

A kind of protective device that in order to achieve the above purposes, the technical solution adopted by the utility model is:, including installation part, guarantor Corner protector, elastic component, resetting-mechanism and button, the side of the installation part are equipped with the display location installed for display screen, the peace The intercommunicating pore for being additionally provided with installation cavity in piece installing and communicating with the installation cavity, the shielding angle are equipped with connecting shaft, the connection Axis pass through the intercommunicating pore and protrude into the installation cavity and in moved in the intercommunicating pore with drive the shielding angle protrude into or The display location is exited, one end of the elastic component is fixedly connected with the connecting shaft, and the other end of the elastic component is fixed It is installed in the installation cavity；The resetting-mechanism is installed in the installation cavity, and the resetting-mechanism is used to work as the protection , the button and the reset machine mobile to limit the connecting shaft are abutted when the display location is protruded at angle with the connecting shaft Structure connects and is used to control resetting-mechanism movement to release the limitation to the connecting shaft, and the button extend it is described Outside installation part.

Further, the resetting-mechanism includes bracket, the first spring, lever, mandril and second spring, the bracket peace Loaded in the installation cavity, the bracket is equipped with ladder hole, and the lever passes through the ladder hole, and the of the mandril One end is equipped with cone, and the second end of the mandril is connected with the button, and first spring pocket is set on the mandril, The both ends of first spring are connected to the cascaded surface and the button of the ladder hole respectively；The lever rotation is installed on On the bracket, and the side of the first end of the lever is connected on the circular conical surface of the cone, and the second of the lever The side at end abuts against when the shielding angle protrudes into the display location with the end face of the connecting shaft, the second spring Both ends are connect with the second end of the lever and the bracket respectively.

Further, the resetting-mechanism further includes fixing screws, and the bracket includes fixed block and mounting post, described solid Determine block to be installed in the installation cavity, the ladder hole is set on the fixed block, and the mounting post is installed on the fixation On block, and the mounting post is arranged perpendicular to the fixed block and is located at the side of the ladder hole, the mounting post it is outer Peripheral wall is equipped with mounting groove, and the end face of the mounting post is equipped with threaded hole, and the threaded hole passes through the mounting groove；The thick stick Perforating is offered on bar, the fixing screws are fixed in the threaded hole and pass through the perforating.

Further, the second end of the lever is equipped with the first fixation hole, the installation backwards to the side of the connecting shaft The periphery wall of column is equipped with the second fixation hole, and first fixation hole and second fixation hole are located at the same of the lever The both ends difference hook of side, the second spring is set in first fixation hole and in second fixation hole.

Further, the intercommunicating pore is in long strip, and the intercommunicating pore in long strip prolongs towards the display location It stretches.

Further, the periphery wall of the connecting shaft is equipped with the first cascaded surface, and the intercommunicating pore in long strip includes The first end and second end being oppositely arranged, the first end are arranged far from the display location, the intercommunicating pore in long strip First end inner wall be equipped with the second cascaded surface, first cascaded surface be used for and be located at the first end in the company Second cascaded surface of spindle abuts, and the inner wall of the second end is equipped with third cascaded surface, and first cascaded surface is used It is abutted in the third cascaded surface for the connecting shaft being located in the second end.

Further, the first guiding surface, the first guiding surface direction are additionally provided on the periphery wall of the connecting shaft The second end of the intercommunicating pore in long strip is arranged, and first guiding surface is backwards to the end face of the connecting shaft and far from institute The axis for stating connecting shaft extends, and opposite two wall surfaces of the intercommunicating pore in long strip, which are equipped with, is oriented to cascaded surface, and described first Guiding surface is connected on the guiding cascaded surface and slides along the guiding cascaded surface.

Further, the corner of the installation part is equipped with installation gap, and the shielding angle is placed in the installation gap Interior, the intercommunicating pore is connected to the installation gap and the installation cavity.

Further, the shielding angle includes two protection boards connected vertically, and the connecting shaft is fixed on described in two The junction of protection board, and the axis of the connecting shaft is overlapped setting with the bisecting line that two protection boards form angle, The protection board is equipped with evacuation inclined-plane close to the inside of the end of the display location, and the evacuation inclined-plane is towards the shielding angle Outside and close to the protection board lateral surface extend.

Further, the gripping groove for holding for personnel is offered on two adjacent lateral surfaces of the shielding angle.

The utility model has the beneficial effects that the protective device of the utility model pushes directly on shielding angle when in use, protect Corner protector draw springs are simultaneously until the connecting shaft on shielding angle is connected on resetting-mechanism, and resetting-mechanism limits the shifting of shielding angle It is dynamic, meanwhile, the part that shielding angle protrudes out display location is disposed around the side of display screen, can be effectively prevented display screen in this way It is touched by the external world, plays the role of protecting display screen；When shielding angle needs to exit display location, presses and extend installation part Except button, button drives resetting-mechanism movement, and resetting-mechanism pushes connecting shaft mobile, thus the connection of contact and shielding angle The limitation of axis, since connecting shaft hauls elastic component always, when the power of resetting-mechanism limitation connecting shaft removes, elastic component, which pulls, to be connected Spindle is restored to original state, and elastic component pulls may make shielding angle to reset while connecting shaft, and shielding angle automatically exits from display screen In position, this completes the reset of shielding angle operations；The protective device of the utility model only needs button press to can be realized as protecting The reset of corner protector operates, easy to operate and time saving and energy saving, while personnel push shielding angle without from the front of display screen, Also the damage of display screen is avoided.

Detailed description of the invention

It, below will be to embodiment or the prior art in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing needed in description is briefly described, it should be apparent that, the accompanying drawings in the following description is only that this is practical new Some embodiments of type for those of ordinary skill in the art without any creative labor, can be with It obtains other drawings based on these drawings.

Fig. 1 is the structural schematic diagram of protective device provided by the embodiment of the utility model.

Fig. 2 is the structural schematic diagram that protection cap is removed to intercommunicating pore of protective device provided by the embodiment of the utility model.

Fig. 3 is the structural representation at a visual angle of the hiding installation part of protective device provided by the embodiment of the utility model Figure.

Fig. 4 is the Section View of the line A-A along Fig. 3.

Fig. 5 is protection cap A-A along Fig. 3 when protruding into display location of protective device provided by the embodiment of the utility model The Section View of line.

Fig. 6 is the structural representation at another visual angle of the hiding installation part of protective device provided by the embodiment of the utility model Figure.

Fig. 7 be protective device provided by the embodiment of the utility model hiding installation part after lever pushing connecting shaft structure Schematic diagram.

Fig. 8 is the structural schematic diagram of the protection cap of protective device provided by the embodiment of the utility model.

Fig. 9 is the structural schematic diagram of the resetting-mechanism of protective device provided by the embodiment of the utility model.

Figure 10 is the explosive view of the resetting-mechanism of protective device provided by the embodiment of the utility model.

Wherein, each appended drawing reference in figure:

10-installation part 11-display location, 12-installation cavitys

13-intercommunicating pore 14-installation gap, 20-shieldings angle

21-connecting shaft 22-protection board, 23-gripping grooves

24-evacuation notches 25-wear 30-elastic component of through-hole

40-the 42-the first springs of 41-bracket of resetting-mechanism

43-lever 44-mandril, 45-second springs

50-button 60-display screen, 121-fixed columns

131-the second 132-third of cascaded surface cascaded surface, 133-guiding cascaded surface

141-guide protrusions the 211-the first cascaded surfaces of the 142-the second guiding surface

212-the first guiding surface 221-evacuation, 241-third of inclined-plane guiding surface

411-ladder hole 412-fixed block, 413-mounting posts

431-perforating 441-cones of the 432-the first fixation hole

4131-the 4133-the second fixation holes of 4132-threaded hole of mounting groove.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining the description of attached drawing 1~10 is exemplary, it is intended to for explaining the utility model, and should not be understood as practical to this Novel limitation.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is based on attached Orientation or positional relationship shown in figure, is merely for convenience of describing the present invention and simplifying the description, rather than indication or suggestion Signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as to this The limitation of utility model.

In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or Implicitly include one or more of the features.The meaning of " plurality " is two or two in the description of the present invention, More than, unless otherwise specifically defined.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be Mechanical connection, is also possible to be electrically connected；It can be directly connected, two can also be can be indirectly connected through an intermediary The interaction relationship of connection or two elements inside element.It for the ordinary skill in the art, can basis Concrete condition understands the concrete meaning of above-mentioned term in the present invention.

As shown in Fig. 1~10, the utility model embodiment provides a kind of protective device, including installation part 10, shielding angle 20, elastic component 30, button 50 and resetting-mechanism 40, the side of the installation part 10 are equipped with the display location installed for display screen 60 11, the intercommunicating pore 13 for being additionally provided with installation cavity 12 and being communicated with the installation cavity 12 on the installation part 10, on the shielding angle 20 Equipped with connecting shaft 21, the connecting shaft 21 passes through the intercommunicating pore 13 and protrudes into the installation cavity 12 and in the intercommunicating pore 13 Interior movement is to drive the shielding angle 20 to protrude into or exit the display location 11, one end of the elastic component 30 and the connection Axis 21 is fixedly connected, and the other end of the elastic component 30 is fixedly installed in the installation cavity 12；The resetting-mechanism 40 is used for It abuts when the shielding angle 20 protrudes into the display location 11 with the connecting shaft 21 to limit the movement of connecting shaft 21, institute Button 50 is stated to connect with the resetting-mechanism 40 and for controlling the movement of resetting-mechanism 40 to release to the connecting shaft 21 Limitation, and the button 50 extends outside the installation part 10.

Specifically, the protective device of the utility model embodiment pushes directly on shielding angle 20, shielding angle 20 when in use Draw springs 30 are simultaneously until the connecting shaft 21 on shielding angle 20 is connected on resetting-mechanism 40, and the limitation of resetting-mechanism 40 is protected The movement at angle 20, meanwhile, the part that shielding angle 20 protrudes out display location 11 is disposed around the side of display screen 60, can have in this way It prevents display screen 60 from being touched by the external world to effect, plays the role of protecting display screen 60；When shielding angle 20 needs to exit display screen When position 11, the button 50 extended except installation part 10 is pressed, button 50 drives resetting-mechanism 40 to move, and resetting-mechanism 40 pushes Connecting shaft 21 is mobile, thus the limitation of contact and the connecting shaft of shielding angle 20, since connecting shaft 21 hauls elastic component 30 always, when When the power that resetting-mechanism 40 limits connecting shaft 21 removes, elastic component 30 pulls connecting shaft 21 to restore to original state, and elastic component 30 pulls Shielding angle 20 may make to reset while connecting shaft 21, shielding angle 20 automatically exits from display location 11, and this completes guarantors The reset of corner protector 20 operates；The protective device of the utility model embodiment only needs button press 50 to can be realized as shielding angle 20 Reset operation, it is easy to operate and time saving and energy saving, at the same personnel without from display screen 60 front push shielding angle 20, Also the damage of display screen 60 is avoided.

Further, button 50 exposes outside outside installation part 10, in order to the operation of personnel.

Further, shielding angle 20 is equipped with connecting shaft 21, and connecting shaft 21 passes through intercommunicating pore 13 and protrudes into installation cavity 12 And in mobile to protrude into or exit display location 11, one end of elastic component 30 and connecting shaft for shielding angle 20 in the intercommunicating pore 13 21 are fixedly connected, and the other end of elastic component 30 is fixedly installed in installation cavity 12；Shielding angle 20 passes through connecting shaft 21 and installation cavity Elastic component 30 in 12 connects, and during shielding angle 20 is pushed into display location 11, elastic component 30 is stretched generation change Shape, drawing force of the shielding angle 20 by elastic component 30；After shielding angle 20 is pushed into display location 11 in place, due to by bullet The drawing force of property part 30, the medial surface of shielding angle 20 is connected on the lateral surface of installation part 10, so that shielding angle 20 can The state for maintaining protection display screen 60 always, avoids shielding angle 20 from exiting display location 11, so that shielding angle 20 is in guard mode Can be realized it is self-locking, the vibration of installation part 10, shaking or carry during, shielding angle 20 is not easy to exit display location 11, shielding angle 20 is remained in guard mode, and the protecting effect that this allows for shielding angle 20 is reliable and stable, and always without personnel Shielding angle 20 is pushed, the operation of shielding angle 20 is more simple.After shielding angle 20 exits display location 11, shielding angle 20 due to by To the resilient force of elastic component 30, so that the connecting shaft 21 of shielding angle 20 can not move in intercommunicating pore 13, to keep away Exempt from the generation for the case where 60th area of display screen is accidentally protruded into protection.

Further, when shielding angle 20 is extend into display location 11, the connecting shaft 21 of shielding angle 20 is connected to reset In mechanism 40, then shielding angle 20 is due to by multiple when shielding angle 20 is by positive effect power perpendicular to display screen 60 The restriction effect of position mechanism 40 still is able to remain stationary and in guard mode.I.e. when the protective device is installed to LED display When upper, which still is able to be effectively protected LED display during positive stress, can be realized LED display Front protecting.

Preferably, elastic component 30 is tension spring.

Further, when the protective device of the utility model embodiment is mounted on the cabinet of LED display, cabinet can With the installation part 10 directly as the protective device, i.e. shielding angle 20, elastic component 30, resetting-mechanism 40 and button 50 is respectively mounted On cabinet, so that the structure of entire display screen is more compact, the lamp plate installation position on cabinet is display location 11, this just makes The LED display of the protective device must be installed, the part that the shielding angle 20 of protective device protrudes into lamp plate installation position is located at lamp The side of plate, can be avoided the shock of outer bound pair lamp plate, while the lamp bead that can be also effectively prevented from lamp plate falls off and damages It is bad, and the retraction operation of shielding angle 20 is more simple, time saving and energy saving.

Further, the protective device of the utility model embodiment is installed on four corners of the cabinet of LED display Place damages to avoid the corner of LED display lamp plate.

In another embodiment of the utility model, in conjunction with shown in Fig. 3, Fig. 9 and Figure 10, the resetting-mechanism 40 includes bracket 41, the first spring 42, lever 43, mandril 44 and second spring 45, the bracket 41 are installed in the installation cavity 12, the branch Frame 41 is equipped with ladder hole 411, and the mandril 44 passes through the ladder hole 411, and the first end of the mandril 44 is equipped with Cone 441, the second end of the mandril 44 are connected with the button 50, and first spring 42 is sheathed on the mandril 44 On, the both ends of first spring 42 are connected to the cascaded surface and the button 50 of the ladder hole 411 respectively；The lever 43 rotational installations are on the bracket 41, and the side of the first end of the lever 43 is connected to the circular cone of the cone 441 On face, the side of the second end of the lever 43 when the shielding angle 20 protrudes into the display location 11 with the connecting shaft 21 End face abut, the both ends of the second spring 45 are connect with the second end of the lever 43 and the bracket 41 respectively.Specifically Ground, the protective device of the utility model embodiment, bracket 41 are the first spring 42, lever 43, mandril 44 and second spring 45 Installation base body, and resetting-mechanism 40 is mounted in installation cavity 12 by bracket 41.After by lower button 50, button 50 drives mandril 44 is mobile, and the cone 441 on mandril 44 is moved along the axis of mandril 44, since the side of the first end of lever 43 is connected to circle On the circular conical surface of cone 441, cone 441 drives lever 43 to rotate, and the second end of lever 43 pushes connecting shaft 21 mobile, connection Axis 21 drives shielding angle 20 mobile, to relieve lever 43 to the restriction effect of connecting shaft 21, so that shielding angle 20 exists It under the action of the elastic force of elastic component 30, automatically exits from display location 11, is operated so as to complete the reset of shielding angle 20；The The setting of one spring 42, during push button 50, button 50 compresses the first spring 42, after release button 50, button 50 Under the action of the elastic restoring force of the first spring 42,50 automatic rebounding of button, so that the operation of button 50 is more simple；It is pressing During 50 automatic rebounding of button, mandril 44 automatically resets also with button 50, then spring of the lever 43 in second spring 45 Under the action of restoring force, the also automatic rotary of lever 43, while under the elastic force of second spring 45, the side of the first end of lever 43 On the circular conical surface for being connected to cone 441 stable always of face, so that the reset for the shielding angle 20 of next time is ready.

Further, the side of the second end of lever 43 protrudes into the end of 60 Qu Shiyu connecting shaft 21 of display screen in shielding angle 20 Face abuts against, and after shielding angle 20 protrudes into display screen 60 in place, the end face of connecting shaft 21 is connected to the side of the second end of lever 43 On face, then when the side of shielding angle 20 is by side collision, since the end face of connecting shaft 21 is directly connected to the of lever 43 On two ends, shielding angle 20 can be made to be not susceptible to move in this way, increase the stability and reliability of the protection of shielding angle 20.

In another embodiment of the utility model, in conjunction with shown in Fig. 6, Fig. 7, Fig. 9 and Figure 10, the resetting-mechanism 40 is also wrapped Fixing screws (not shown) is included, the bracket 41 includes fixed block 412 and mounting post 413, and the fixed block 412 is installed on described In installation cavity 12, the ladder hole 411 is set on the fixed block 412, and the mounting post 413 is installed on the fixed block On 412, and the mounting post 413 is arranged and is located at the side of the ladder hole 411 perpendicular to the fixed block 412, described The periphery wall of mounting post 413 is equipped with mounting groove 4131, and the end face of the mounting post 413 is equipped with threaded hole 4132, the spiral shell Pit 4132 passes through the mounting groove 4131；Perforating 431 is offered on the lever 43, the fixing screws are fixed on described In threaded hole 4132 and pass through the perforating 431.

Specifically, bracket 41 includes being vertically arranged fixed block 412 and mounting post 413, and lever 43 is caught in the peace of mounting post 413 In tankage 4131, then by fixing screws from the end face upper screwed hole 4132 of mounting post 413, and fixing screws are passed through on lever 43 Perforating 431 so that lever 43 is rotated around the axis of fixing screws, so that the rotation for realizing lever 43 and bracket 41 connects It connects, wears fixed structure type using fixing screws, structure is simple, and fixing screws have good fixing-stable Property, therefore, the rotational stability of lever 43 is good, this is also beneficial to the accuracy of 20 retraction operation of shielding angle.

Further, bracket 41 includes fixed block 412 and mounting post 413, and mounting blocks are installed on installation part 10, and ladder is logical Hole 411 is set on fixed block 412, and mounting post 413 is installed on fixed block 412 and is arranged perpendicular to fixed block 412 and is located at rank The axis of the side of terraced through-hole 411, ladder hole 411 is parallel with the extending direction of mounting post 413, this allows for lever 43 The axis direction of extending direction and mandril 44 is perpendicular, when mandril 44 is moved along its axis direction, on the circular conical surface of circular cone column Bus is in contact with the side of the first end of lever 43, the axial-movement along mandril 44 of bus, to push the of lever 43 The axial-movement of the separate or close mandril 44 in one end, so that the rotation of lever 43 is realized, by the way of circular conical surface promotion Its structure is simple, and the linear motion of mandril 44 is directly become to the rotation of lever 43 using the gradient of circular conical surface, and circular cone The structure size of body 441 is small, can be effectively reduced the size of entire protective device, so that the structure of entire protective device is more It is compact.

In another embodiment of the utility model, in conjunction with shown in Fig. 3, Fig. 9 and Figure 10, the second end of the lever 43 is backwards The side of the connecting shaft 21 is equipped with the first fixation hole 432, and the periphery wall of the mounting post 413 is equipped with the second fixation hole 4133, first fixation hole 432 and second fixation hole 4133 are located at the same side of the lever 43, and described second The both ends difference hook of spring 45 is set in first fixation hole 432 and in second fixation hole 4133.Specifically, this is practical The protective device of new embodiment, the first fixation hole 432 being directly hooked at the both ends of second spring 45 respectively on lever 43 On the second fixation hole 4133 in interior and mounting post 413, the installation process that this allows for second spring 45 is relatively simple, in order to The assembling of protective device, and second spring 45 is not easily disconnected from out the first fixation hole 432 and the second fixation hole 4133, increases second The stability that spring 45 is connect with lever 43 and mounting post 413 ensures that the stabilization that lever 43 is connected on cone 441 Property, and then ensure that shielding angle 20 exits the accuracy of operation.

Further, fixed column 121 is equipped in installation cavity 12, one end of the first spring 42 is fixedly mounted by fastening screw On the outer circle wall of connecting shaft 21, the other end of second spring 45 is fixed in fixed column 121 also by fastening screw, is used It is also more simple to fix and install operation for the both ends for fixing the first spring 42 of fastening screw.

In another embodiment of the utility model, in conjunction with shown in Fig. 2, Fig. 4 and Fig. 5, the intercommunicating pore 13 is in long strip, is in The intercommunicating pore 13 of strip extends towards the display location 11.Specifically, connecting shaft 21 is arranged in company in long strip In through-hole 13, and connecting shaft 21 is moved along the extending direction of intercommunicating pore 13, and intercommunicating pore 13 plays guiding to the movement of connecting shaft 21 Effect, enables shielding angle 20 accurately to protrude into display location 11, it is ensured that shielding angle 20 will not be touched during protruding into To display screen 60, display screen 60 is avoided to damage.

In another embodiment of the utility model, in conjunction with shown in Fig. 2, Fig. 4 and Fig. 5, on the periphery wall of the connecting shaft 21 Equipped with the first cascaded surface 211, the intercommunicating pore 13 in long strip includes the first end and second end being oppositely arranged, in long strip The first end of the intercommunicating pore 13 be arranged far from the display location 11, the first end of the intercommunicating pore 13 in long strip Inner wall is equipped with the second cascaded surface 131, and second cascaded surface 131 is used for and the connecting shaft in the first end 21 first cascaded surface 211 abuts, and the inner wall of the second end of the intercommunicating pore 13 in long strip is equipped with third rank Tread 132, the third cascaded surface 132 are used for first cascaded surface with the connecting shaft 21 being located in the second end 211 abut.Specifically, when shielding angle 20 does not extend into display location 11, connecting shaft 21 is located in the first end of intercommunicating pore 13, In Under the action of the elastic force of elastic component 30, the first cascaded surface 211 in connecting shaft 21 is connected to the second cascaded surface at first end On 131, so that connecting shaft 21 be avoided to continue to move to, shielding angle 20 is firmly secured in intercommunicating pore 13, and needs Overcome certain resistance that shielding angle 20 can be pushed mobile, to avoid the maloperation of shielding angle 20.When shielding angle 20 protrude into it is aobvious Display screen position 11 in place after, connecting shaft 21 is located in the second end of intercommunicating pore 13, under the action of the elastic force of elastic component 30, connection The first cascaded surface 211 on axis 21 is abutted against with the third cascaded surface 132 at second end, so that shielding angle 20 can be stablized Ground protrudes into display location 11.

In another embodiment of the utility model, in conjunction with shown in Fig. 2, Fig. 4 and Fig. 5, on the periphery wall of the connecting shaft 21 It is additionally provided with the first guiding surface 212, first guiding surface 212 is arranged towards the second end, first guiding surface 212 end faces backwards to the connecting shaft 21 and the axis extension far from the connecting shaft 21, the intercommunicating pore 13 in long strip Opposite two wall surfaces be equipped with guiding cascaded surface and be oriented to cascaded surface 133, first guiding surface 212 is connected to the guiding rank Tread is oriented on cascaded surface 133 and slides along guiding cascaded surface guiding cascaded surface 133.Specifically, shielding angle 20 is being pushed During protruding into display location 11, the first guiding surface 212 and the second guiding surface 142 in connecting shaft 21 are abutted against, and Connecting shaft 21 is moved along the direction of the second guiding surface 142, and the movement of connecting shaft 21 is more time saving and energy saving, and shielding angle 20 pushes away It is dynamic also more time saving and energy saving, and operate more convenient；The movement of connecting shaft 21 simultaneously is also more stable accurate, so that shielding angle 20 Movement it is more stable reliable, also can be avoided the touching of shielding angle 20 Yu display screen 60, to avoid the damage of display screen 60. In the reseting procedure of shielding angle 20, connecting shaft 21 is detached from the restriction effect of third cascaded surface 132, in the elastic force of elastic component 30 Under the action of, the first guiding surface 212 in connecting shaft 21 is moved along the second guiding surface 142 automatically, so that connecting shaft 21 On the first cascaded surface 211 be connected to the second cascaded surface 131 so that shielding angle 20 exits display location 11 completely, in turn Exit guard mode.

In another embodiment of the utility model, in conjunction with shown in Fig. 2, Fig. 4 and Fig. 5, the corner of the installation part 10 is set There is installation gap 14, the shielding angle 20 is placed in the installation gap 14, and the intercommunicating pore 13 is connected to the installation gap 14 and the installation cavity 12.Specifically, after shielding angle 20 retracts display location 11, shielding angle 20 is accommodated in installation gap 14 It is interior, so that shielding angle 20 be avoided to protrude out outside installation part 10, avoid that shielding angle 20 is caused to damage because of extraneous touching；As the guarantor When protection unit is mounted on LED display, installation gap 14 is arranged on cabinet, then when two adjacent cabinets are spliced When, two cabinets can be tightly bonded together, and reduce the gap of two adjacent box body splicings, so that LED is shown Screen has better display effect.

Further, guide protrusions 141, display surface of the guide protrusions 141 far from installation part 10 are equipped in installation gap 14 Side is equipped with the second guiding surface 142, the second guiding surface 142 backwards to installation part 10 display surface and towards installation gap 14 Bottom surface extends, and shielding angle 20 is equipped with the evacuation notch 24 for avoiding guide protrusions 141, is equipped in evacuation notch 24 in second The compatible third guiding surface 241 of guiding surface 142.Specifically, when shielding angle 20 is located in installation gap 14, evacuation is lacked Third guiding surface 241 in mouth 24 is connected on the second guiding surface 142 in guide protrusions 141, is protected when needing to push When angle 20, for the second guiding surface 142 of shielding angle 20 under the guiding role of third guiding surface 241, shielding angle 20 can be more It is easy to release installation gap 14, the release operation that this allows for shielding angle 20 is more time saving and energy saving, and operates also more convenient.

In another embodiment of the utility model, in conjunction with shown in Fig. 1, Fig. 2 and Fig. 8, the shielding angle 20 includes vertically connecting Two protection boards 22 connect, the connecting shaft 21 are fixed on the junction of two protection boards 22, and the connecting shaft 21 Axis is overlapped setting with the bisecting line that two protection boards 22 form angle, and the protection board 22 is close to the display location The inside of 11 end is equipped with evacuation inclined-plane 221, and the evacuation inclined-plane 221 is towards the outside of the shielding angle 20 and close to described The lateral surface of protection board 22 extends.Specifically, shielding angle 20 is generally positioned at the corner of installation part 10, when shielding angle 20 protrudes into When in display location 11, two protection boards 22 are located at outside the adjacent both sides of 10 corner of installation part, thus from installation Protection display screen 60 is protected in the adjacent both sides of part 10, and display screen 60 is avoided to damage；When four angles of LED display When the place of falling is equipped with the protective device, so that the upper and lower sides of LED display, left and right sides can be protected, so that LED is shown The protection of screen is more reliable.Connecting shaft 21 is fixed on the junction of two protection boards 22, and the axis of connecting shaft 21 and two guarantors The bisecting line that backplate 22 forms angle is overlapped setting, then during connecting shaft 21 is mobile, the movement of two protection boards 22 The movement of the two sides adjacent relative to corresponding installation part 10 is identical, then avoiding protection board 22 touches display screen 60, avoid the damage of display screen 60.Protection board 22 is equipped with evacuation inclined-plane 221 close to the inside of the end of display location 11, keeps away Inclined-plane 221 is allowed to extend towards the outside of shielding angle 20 and close to the lateral surface of protection board 22, when the evacuation inclined-plane 221 of protection board 22 When protruding into display location 11, distance is increasing along the direction of motion of protection board 22 between evacuation inclined-plane 221 and display screen 60, So in 22 motion process of protection board, evacuation inclined-plane 221 avoids protection board 22 from touching display screen 60, so as to avoid display The damage of screen 60.

In another embodiment of the utility model, in conjunction with shown in Fig. 1, Fig. 2 and Fig. 8, the shielding angle 20 it is adjacent two outside The gripping groove 23 for holding for personnel is offered on side.Specifically, personnel can also directly hold column gripping groove 23, with Gripping groove 23 is impetus by the pull-out display location 11 of shielding angle 20, so that the operation for exiting display location 11 of shielding angle 20 is more It is simple and convenient.

Further, it is equipped with gripping groove 23 on the lateral surface of two protection boards 22, and is equipped between two protection boards 22 Through-hole 25 is worn for be connected to two gripping grooves 23, the components such as rope, bar can be worn to through-hole 25 in this way, is pulled pair The components such as the rope or bar answered, so that shielding angle 20 be driven to exit display location 11, what this allowed for shielding angle 20 exits operation It is more simple.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model Protection scope within.

Claims (10)

1. a kind of protective device, it is characterised in that: including installation part, shielding angle, elastic component, resetting-mechanism and button, the peace The side of piece installing is equipped with the display location installed for display screen, be additionally provided on the installation part installation cavity and with the installation cavity phase Logical intercommunicating pore, the shielding angle are equipped with connecting shaft, and the connecting shaft passes through the intercommunicating pore and protrudes into the installation cavity And in being moved in the intercommunicating pore to drive the shielding angle to protrude into or exit the display location, one end of the elastic component with The connecting shaft is fixedly connected, and the other end of the elastic component is fixedly installed in the installation cavity；The resetting-mechanism installation In in the installation cavity, the resetting-mechanism when the shielding angle protrudes into the display location with the connecting shaft for abutting Mobile to limit the connecting shaft, the button connect with the resetting-mechanism and is used to control the resetting-mechanism movement to solve Except the limitation to the connecting shaft, and the button extends outside the installation part.

2. protective device according to claim 1, it is characterised in that: the resetting-mechanism includes bracket, the first spring, thick stick Bar, mandril and second spring, the bracket are installed in the installation cavity, and the bracket is equipped with ladder hole, the lever Across the ladder hole, the first end of the mandril is equipped with cone, and the second end of the mandril is connected with the button, First spring pocket is set on the mandril, and the both ends of first spring are connected to the cascaded surface of the ladder hole respectively With the button；The lever rotation is installed on the bracket, and the side of the first end of the lever is connected to the circle On the circular conical surface of cone, the side of the second end of the lever when shielding angle protrudes into the display location with the connection The end face of axis abuts against, and the both ends of the second spring are connect with the second end of the lever and the bracket respectively.

3. protective device according to claim 2, it is characterised in that: the resetting-mechanism further includes fixing screws, described Bracket includes fixed block and mounting post, and the fixed block is installed in the installation cavity, and the ladder hole is set to the fixation On block, the mounting post is installed on the fixed block, and the mounting post is arranged perpendicular to the fixed block and is located at described The side of ladder hole, the periphery wall of the mounting post are equipped with mounting groove, and the end face of the mounting post is equipped with threaded hole, institute Threaded hole is stated across the mounting groove；

Perforating is offered on the lever, the fixing screws are fixed in the threaded hole and pass through the perforating.

4. protective device according to claim 3, it is characterised in that: the second end of the lever is backwards to the connecting shaft Side is equipped with the first fixation hole, and the periphery wall of the mounting post is equipped with the second fixation hole, first fixation hole and described the Two fixation holes are located at the same side of the lever, and the both ends difference hook of the second spring is set in first fixation hole In second fixation hole.

5. protective device according to any one of claims 1 to 4, it is characterised in that: the intercommunicating pore is in long strip, and is in The intercommunicating pore of strip extends towards the display location.

6. protective device according to claim 5, it is characterised in that: the periphery wall of the connecting shaft is equipped with the first ladder Face, the intercommunicating pore in long strip include the first end and second end being oppositely arranged, and the first end is far from the display screen Position setting, the inner wall of the first end of the intercommunicating pore in long strip are equipped with the second cascaded surface, and first cascaded surface is used It is abutted in second cascaded surface for the connecting shaft being located in the first end, the inner wall of the second end is equipped with Third cascaded surface, first cascaded surface are used to support with the third cascaded surface for the connecting shaft being located in the second end It connects.

7. protective device according to claim 5, it is characterised in that: be additionally provided with first on the periphery wall of the connecting shaft and lead To inclined-plane, the second end of first guiding surface towards the intercommunicating pore in long strip is arranged, first guiding surface End face backwards to the connecting shaft and the axis extension far from the connecting shaft, opposite two walls of the intercommunicating pore in long strip Face is equipped with guiding cascaded surface, and first guiding surface is connected on the guiding cascaded surface and slides along the guiding cascaded surface It is dynamic.

8. protective device according to any one of claims 1 to 4, it is characterised in that: the corner of the installation part is equipped with Installation gap, the shielding angle are placed in the installation gap, and the intercommunicating pore is connected to the installation gap and the installation Chamber.

9. protective device according to any one of claims 1 to 4, it is characterised in that: the shielding angle includes vertical connection Two protection boards, the connecting shaft is fixed on the junction of two protection boards, and the axis of the connecting shaft and two The bisecting line that the protection board forms angle is overlapped setting, and the protection board is set on the inside of the end of the display location There is evacuation inclined-plane, the evacuation inclined-plane extends towards the outside of the shielding angle and close to the lateral surface of the protection board.

10. protective device according to any one of claims 1 to 4, it is characterised in that: two adjacent outsides of the shielding angle The gripping groove for holding for personnel is offered on face.