CN210240957U

CN210240957U - Pop-up device and display screen

Info

Publication number: CN210240957U
Application number: CN201920272206.8U
Authority: CN
Inventors: Jinfeng He; 贺金锋; Yongchun Zhao; 赵永春
Original assignee: Unilumin Group Co Ltd
Current assignee: Unilumin Group Co Ltd
Priority date: 2019-03-04
Filing date: 2019-03-04
Publication date: 2020-04-03
Anticipated expiration: 2029-03-04
Also published as: WO2020177469A1

Abstract

The utility model relates to a pop-up device and display screen, which comprises a housin, the locating part, the buckle, the liftout, the elastic component, the cavity has been seted up in the casing, the one end of cavity has the opening, the lateral wall of cavity is provided with first guide structure, first guide structure is the heliciform setting along the lateral wall of cavity, the outside of locating part sets up second guide structure, first guide structure matches with second guide structure's shape, and second guide structure slides along first guide structure, the through-hole has been seted up along the axial to the locating part, the through-hole is worn to establish by the at least part of liftout, and the locating part rotates with the liftout to be connected, the casing passes through the elastic component and is connected with the liftout, and the activity protrusion of liftout sets up in the opening, be provided with the stop wall on the locating part, the one end and the casing of buckle are connected, the other. Through the size that changes the box with the pop-up device of adaptation different sizes, and need not change the size of module to can enrich the size of popping up the device.

Description

Pop-up device and display screen

Technical Field

The utility model relates to a pop out technical field, especially relate to and pop out device and display screen.

Background

The application of the present LED display screen is more and more extensive, when the LED display screen needs to be maintained, the LED display screen module needs to be detached from the box body, and the module is difficult to detach without tools or special structures, mainly because the module is tightly matched with the box body after installation, under such a situation, a force application part is difficult to be provided, and it is inconvenient to detach the module from the box body of the LED display screen, aiming at this problem, the patent with application number cn201562102329.x provides a magnetic adsorption mechanism, also called as an ejection device, for forming a gap between the module and the box body when the ejection device is ejected, so as to facilitate the maintenance personnel to detach the module, the ejection device is arranged on the module, because the thickness of the module is generally thinner and generally unable to thicken, therefore, under the limitation of the thickness of the module, when the ejection device is arranged on the module, the thickness of the module limits the size of the ejector.

SUMMERY OF THE UTILITY MODEL

Based on this, it is necessary to provide an ejection device and a display screen.

An ejection device comprises a shell, a limiting part, a buckle, an ejection part and an elastic part, wherein a cavity is formed in the shell, one end of the cavity is provided with an opening, the side wall of the cavity is provided with a first guide structure, the first guide structure is spirally arranged along the side wall of the cavity, the outer side of the limiting part is provided with a second guide structure, the first guide structure is matched with the second guide structure in shape, the second guide structure slides along the first guide structure, the limiting part is axially provided with a through hole, at least part of the ejection part penetrates through the through hole, the limiting part is rotatably connected with the ejection part, one end of the elastic part is connected with the shell, the other end of the elastic part is connected with the ejection part, the ejection part movably protrudes out of the opening, and the limiting part is provided with a stop wall, one end of the buckle is connected with the shell, the other end of the buckle is movably abutted against the stop wall, and the buckle is used for limiting the second guide structure to slide along the first guide structure when abutted against the stop wall.

According to the popping device, the movement of the limiting part is limited through the buckle, the limiting part can not slide along the guide structure, and the movement of the ejecting part is stopped through the limiting part, so that the elastic part can not push out the ejecting part. When the ejection device needs to be ejected, the buckle is separated from the stop wall, the elastic piece pushes the ejection piece, the ejection piece further pushes the limiting piece to rotate along the guide structure, and the limiting piece moves towards the direction close to the opening. Through the size that changes the box with the pop-up device of adaptation different sizes, and need not change the size of module to can enrich the size of popping up the device.

In one embodiment, the cavity is cylindrical, and the first guide structure extends along the axial direction of the cavity.

In one embodiment, the position-limiting member is configured as a cylinder structure.

In one embodiment, the first guide structure is a slide rail protruding from the side wall of the cavity, the slide rail is spirally disposed along the side wall of the cavity, the second guide structure is a sliding groove disposed on the outer surface of the position-limiting member, the sliding groove is spirally disposed along the outer surface of the position-limiting member, and the outer side of the position-limiting member is slidably sleeved on the slide rail through the sliding groove.

In one embodiment, a groove is formed in one end of the limiting member away from the opening, the side wall of the groove is provided as the stop wall, and one end of the buckle away from the housing is movably disposed in the groove.

In one embodiment, an abutting part is convexly arranged on the outer side of the ejecting part and movably abutted against the side wall of the through hole.

In one embodiment, the ejecting member is provided with a channel from one end protruding out of the opening to the other end, and the channel is arranged towards one end of the buckle abutting against the stop wall.

In one embodiment, the buckle includes an elastic frame and a hook, one end of the elastic frame is connected with the housing, the other end of the elastic frame is connected with the hook, and the hook is movably abutted against the stop wall.

In one embodiment, a limit block is arranged on the shell in a protruding manner, a protruding block is arranged on the limit member in a protruding manner, and the limit block is used for abutting against the protruding block when the ejecting member protrudes from the opening.

A display screen comprising a pop-up device as described in any one of the embodiments above.

Drawings

Fig. 1 is a schematic perspective view of an ejection device according to an embodiment;

FIG. 2 is a schematic perspective view of an ejection device according to an embodiment;

fig. 3 is a schematic perspective view of an ejection device according to an embodiment;

fig. 4 is a schematic perspective view of an ejection device according to an embodiment;

FIG. 5 is a schematic perspective view of an ejection device according to an embodiment;

FIG. 6 is a cross-sectional structural view of one direction of an ejection device according to one embodiment;

FIG. 7 is a cross-sectional structural diagram of one direction of a display screen according to an embodiment.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1, 2 and 3, in one embodiment, an ejection apparatus 10 includes a housing 100, a limiting member 200, a buckle 300, an ejector 400 and an elastic member 500, wherein a cavity 101 is formed in the housing 100, an opening 102 is formed at one end of the cavity 101, a first guide structure 600 is disposed on a sidewall of the cavity 101, the first guide structure 600 is spirally disposed along the sidewall of the cavity 101, a second guide structure 700 is disposed on an outer side of the limiting member 200, the first guide structure 600 and the second guide structure 700 are matched in shape, the second guide structure 700 slides along the first guide structure 600, the limiting member 200 is axially formed with a through hole 201, at least a portion of the ejector 400 is inserted through the through hole 201, the limiting member 200 is rotatably connected to the ejector 400, and one end of the elastic member 500 is connected to the housing 100, the other end of the elastic member 500 is connected to the ejecting member 400, and the ejecting member 400 movably protrudes from the opening 102, the limiting member 200 is provided with a stop wall 210, one end of the buckle 300 is connected to the housing 100, the other end of the buckle 300 movably abuts against the stop wall 210, and the buckle 300 is used for limiting the second guiding structure 700 from sliding along the first guiding structure 600 when abutting against the stop wall 210.

In this embodiment, the limiting member 200 is provided with the through hole 201 along the axial direction of the spiral first guiding structure, the through hole penetrates through two ends of the limiting member 200, and the through hole is provided on an end surface of the limiting member. One end of the ejector 400 is inserted into one end of the through hole 201 far away from the opening 102 and abuts against one surface of the limiting member 200 facing away from the opening, so that the elastic force of the elastic member can act on the limiting member through the ejector by abutting the ejector and the limiting member.

Referring to fig. 1, fig. 2 and fig. 3, in the ejection device 10, the movement of the limiting member 200 is limited by the buckle 300, so that the limiting member 200 cannot slide along the guiding structure, and the movement of the ejector 400 is further limited by the limiting member 200, so that the elastic member 500 cannot push out the ejector 400, as shown in fig. 1, and thus the ejection device is in a "locked" state. When ejection is required, the buckle 300 is separated from the retaining wall 210, the elastic member 500 uses the housing as a support to apply force to the ejector 400, so as to push the ejector 400 to move, the ejector 400 further pushes the second guide structure of the limiting member 200 to rotate along the first guide structure, and the limiting member 200 moves toward the direction close to the opening 102, because the ejector 400 is rotatably connected with the limiting member 200, the ejector 400 does not rotate, but moves toward the direction protruding out of the opening 102, so as to realize an ejection function, as shown in fig. 2, so that the ejection device is in an "ejection" state. Through will pop out device 10 and set up on the box of display screen, make casing 100 be connected with the box of display screen, and make the one end that goes out piece 400 and keep away from elastic component 500 be connected with the module, can be through the size that changes the box in order to adapt to not unidimensional pop-up device 10, and need not change the size of module to can enrich the size of a dimension of popping out device 10.

It is worth mentioning that the cross-sectional shape of the cavity can be circular, square or any polygon.

In one embodiment, the cross-sectional shape of the cavity is circular, and the first guide structure is spirally arranged along the circumferential side wall of the cavity.

In one embodiment, the cross-sectional shape of the cavity is square, and the first guide structure is spirally arranged along the side wall of the cavity. In one embodiment, the first guide structure is a first guide rail, the first guide rail protrudes from the side wall of the cavity and is spirally disposed, and a transverse cross section of an outer side surface of the first guide rail is circular, that is, the outer side surface of the first guide rail is circular along the transverse cross section of the cavity. In another embodiment, the first guide structure is a first guide groove, the first guide groove is spirally arranged along the side wall of the cavity, and the cross section of the bottom of the first guide groove along the transverse direction of the cavity is circular. Specifically, the distance from the bottom of the first guide groove at any position to the middle of the cavity is equal, so that the first guide groove arranged in a spiral shape is formed.

In one embodiment, the cross-sectional shape of the cavity is polygonal.

It should be noted that the cross-sectional shape of the limiting member may be circular, square, or any polygon.

In one embodiment, the cross-sectional shape of the limiting member is circular, and the second guiding structure is spirally disposed along the outer circumferential surface of the limiting member.

In one embodiment, the cross-sectional shape of the limiting member is square, and the second guiding structure is spirally disposed along the sidewall of the limiting member. In an embodiment, the second guiding structure is a second guiding rail, the second guiding rail protrudes from the sidewall of the limiting member and is spirally disposed, and a transverse cross-section of an outer side surface of the second guiding rail is circular, that is, a transverse cross-section of the outer side surface of the second guiding rail along the cavity is circular. In another embodiment, the second guiding structure is a second guiding groove, the second guiding groove is spirally disposed along the sidewall of the limiting member, and a cross section of a bottom of the second guiding groove along a transverse direction of the cavity is circular. Specifically, the distance from the bottom of the second guide groove at any position to the middle of the limiting member is equal, so as to form a second guide groove arranged in a spiral shape.

In one embodiment, the first guide rail and the second guide groove are matched, that is, the limiting member is sleeved on the first guide rail through the second guide groove, so that the second guide structure slides along the first guide structure.

In one embodiment, the first guide groove and the second guide rail are matched, that is, the limiting member is inserted into the first guide groove through the second guide rail, so that the second guide structure slides along the first guide structure.

In order to open the cavity in the housing, in this embodiment, the housing is cylindrical, and the cavity is formed in the hollow interior of the housing, so that the cavity is opened in the housing.

As shown in fig. 3, in order to make the limiting member 200 rotate more smoothly in the cavity 101, in one embodiment, the cavity 101 is cylindrical, and the first guiding structure 600 extends along the axial direction of the cavity 101. In this embodiment, the housing 100 is cylindrical, the cross-sectional shape of the outer side surface of the limiting member 200 is circular, that is, the limiting member 200 is set to be a cylinder structure, and the cross-sectional shape of the limiting member 200 is matched with the cross-sectional shape of the cavity 101, so that the outer side surface of the limiting member 200 is movably abutted to the sidewall of the cavity 101, and the limiting member 200 rotates more smoothly in the cavity 101. In this embodiment, when the buckle 300 is abutted against the stop wall 210, the second guiding structure 700 is limited to slide along the first guiding structure 600, so as to limit the rotation of the limiting member 200 in the cavity 101.

In order to make the rotation of the limiting member 200 smoother and to make the second guiding structure 700 more conveniently disposed on the second guiding structure 700, as shown in fig. 3, in one embodiment, the limiting member 200 is disposed as a cylinder structure, and the second guiding structure 700 is spirally disposed along the outer side surface of the limiting member 200.

In order to realize that the second guiding structure 700 slides along the first conducting wire structure, as shown in fig. 3, in one embodiment, the first guiding structure 600 is a sliding rail 610 protruding from the sidewall of the cavity 101, the sliding rail 610 is spirally disposed along the sidewall of the cavity 101, the second guiding structure 700 is a sliding groove 710 disposed on the outer side surface of the position-limiting member 200, the sliding groove 710 is spirally disposed along the outer side surface of the position-limiting member 200, and the outer side of the position-limiting member 200 is slidably sleeved on the sliding rail 610 through the sliding groove 710.

In order to better enable the second guiding structure 700 to slide along the first guiding structure 600, as shown in fig. 1 and fig. 2, in one embodiment, the number of the first guiding structures 600 and the second guiding structures 700 is multiple, and the first guiding structures 600 and the second guiding structures 700 are arranged in a one-to-one correspondence, that is, each second guiding structure 700 slides along one guiding structure, so that the guiding effect on the limiting member 200 is better. In this embodiment, the number of the sliding rails 610 and the sliding grooves 710 is plural, and the sliding rails 610 and the sliding grooves 710 are arranged in a one-to-one correspondence manner.

To implement the arrangement of the stop wall 210, as shown in fig. 3 and fig. 4, in one embodiment, a groove 211 is formed at an end of the position-limiting element 200 away from the opening 102, a sidewall of the groove 211 is configured as the stop wall 210, and an end of the buckle 300 away from the housing 100 is movably arranged in the groove 211. So that the bayonet is disposed in the groove 211 and the buckle 300 is movably abutted against the stop wall 210. In this embodiment, the clip 300 is limited by two sidewalls of the groove 211, so that the movement of the limiting member 200 is more stably limited when the clip 300 is disposed in the groove 211.

In this embodiment, the groove 211 is disposed on an end surface of the limiting member, and the groove is disposed along a radial direction of the limiting member, in one embodiment, a central axis of the groove 211 coincides with a diameter of a radial cross section of the limiting member, and in one embodiment, a length direction of the groove 211 is parallel to a diameter of a radial cross section of the limiting member, so that the buckle 300 is inserted into the groove 211, and can sufficiently limit the rotation of the limiting member. In this embodiment, the clip moves away from the groove, and specifically, when the clip is separated from the stop wall, the movement direction of the clip is parallel to the stop wall.

In this embodiment, a plane where the stop wall is located is parallel to a central axis of the position limiting member, so that when the buckle abuts against the stop wall, the position limiting member is limited from rotating around the middle of the position limiting member.

In another embodiment, a stop block is convexly arranged at one end of the limiting part far away from the opening, and the stop wall is an outer side surface of the stop block, so that the stop wall is arranged.

In order to realize that the ejector 400 pushes the limiting member 200 to move, and avoid the ejector 400 from rotating, and simultaneously prevent the ejector 400 from coming out of the through hole 201, as shown in fig. 3 and 6, in one embodiment, an abutting portion 410 is convexly disposed on an outer side of the ejector 400, and the abutting portion 410 is movably abutted on a sidewall of the through hole 201. When the abutting portion 410 is movably abutted, the ejector 400 is prevented from being pulled out from the through hole 201, and when the buckle 300 is not abutted on the stop wall 210, the ejector 400 pushes the limiting member 200 through the abutting portion 410 to move in a direction away from the cavity 101, and simultaneously the limiting member 200 rotates relative to the ejector 400, and because the stop portion is movably abutted against the side wall of the through hole 201, the ejector 400 pushes the limiting member 200 to move, the ejector 400 is prevented from rotating, and the ejector 400 is prevented from being pulled out from the through hole 201. In this embodiment, a blocking surface 202 is disposed on a sidewall of the through hole 201, the blocking surface 202 is used to limit the movement of the ejection member 400 in a direction away from the through hole 201 when the blocking surface 202 abuts against the abutting portion 410, that is, when the blocking surface 202 abuts against the abutting portion 410, the ejection member 400 drives the limiting member 200 to move in a direction protruding out of the opening 102, and the abutting portion 410 movably abuts against the blocking surface 202. Specifically, a shell cavity 203 is formed inside the housing, the through hole 201 is formed in the side wall of the shell cavity 203, the cross-sectional width of the shell cavity 203 is greater than the cross-sectional width of the through hole 201, and the blocking surface 202 is formed on the side wall of the shell cavity 203 around the through hole 201, that is, the blocking surface 202 is arranged on the side wall of the shell cavity 203 around the through hole 201.

In order to realize that the ejector member pushes the limiting member to move, and realize avoiding the ejector member to rotate, and simultaneously prevent the ejector member from deviating from the through hole, in another embodiment, the ejector member is connected with the side wall of the through hole through a bearing, that is, the ejection device further comprises a bearing, the outer side surface of the bearing is connected with the side wall of the through hole, and the inner side surface of the bearing is connected with the outer side surface of the ejector member. Like this, the liftout piece can push under the effect of elastic component the locating part towards protrusion in open-ended direction motion can also avoid the liftout piece to rotate when the locating part rotates. Thereby realize the liftout promotes the locating part and removes, and realizes avoiding the liftout to rotate, prevents simultaneously the liftout is deviate from in the through-hole.

To facilitate the clip 300 to disengage from the stop wall 210, as shown in fig. 3 and 6, in one embodiment, the ejector 400 has a channel 401 extending from one end protruding out of the opening 102 to the other end, and the channel 401 is disposed toward one end of the clip 300 abutting against the stop wall 210. A tool is inserted into the channel 401, and a force is applied to one end of the clip 300 abutting against the stop wall 210 by the tool, so that the clip 300 is separated from the stop wall 210, and the elastic member 500 releases the elastic force, thereby ejecting the ejector 400. In one embodiment, a needle is inserted into the channel 401, and a force is applied to an end of the clip 300 abutting against the stopper wall 210 by the needle, so that the clip 300 is separated from the stopper wall 210, and the elastic member 500 releases the elastic force, thereby ejecting the ejector 400.

To facilitate the insertion of a tool through the channel 401, as shown in fig. 6, in one embodiment, the channel 401 has a cross-sectional width that gradually decreases from one end near the opening 102 to the other end. Therefore, the tool can enter from the larger end of the opening 102 and extend into the channel 401, the channel 401 is gradually reduced, so as to avoid the channel 401 with the larger width from reducing the strength of the ejector 400, therefore, the sectional width of the channel 401 is gradually reduced from the end close to the opening 102 to the other end, which facilitates the tool to penetrate through the channel 401, and simultaneously ensures the strength of the ejector 400.

To achieve the functions of the buckle 300, as shown in fig. 3, 4 and 5, in one embodiment, the buckle 300 includes an elastic frame 310 and a hook 320, one end of the elastic frame 310 is connected to the housing 100, the other end of the elastic frame 310 is connected to the hook 320, the hook 320 movably abuts against the stop wall 210, and the hook 320 is configured to limit the second guiding structure 700 from sliding along the first guiding structure 600 when abutting against the stop wall 210. The elastic frame is elastic and provided with a fixed end and a free end, the fixed end of the elastic frame is connected with the shell, the free end of the elastic frame is connected with the clamping hook, the free end of the elastic frame can move relative to the stop wall, and meanwhile, the clamping hook can move relative to the stop wall. In order to enable the buckle 300 to move relative to the groove 211, as shown in fig. 3, 4 and 5, in one embodiment, the sidewall of the cavity 101 is provided with the mounting post 110 in a protruding manner, in this embodiment, the sidewall of one end of the cavity 101, which is far away from the opening, is provided with the mounting post 110 in a protruding manner, that is, the bottom of the cavity is provided with the mounting post 110 in a protruding manner, the mounting post 110 is provided with a mounting groove 113, the groove 211 is provided corresponding to the mounting groove 113, the mounting post 110 is connected with the ejector 400 through the elastic member 500, and the hook 320 is movably disposed in the mounting groove 113. When the hook 320 is disposed in the groove 211, the hook 320 abuts against the stop wall 210 and limits the second guiding structure 700 from sliding along the first guiding structure 600. The hook 320 is disengaged from the groove 211 and enters the mounting groove 113, so that the second guide structure 700 can slide along the first guide structure 600. In this embodiment, the elastic member 500 is installed through the installation post 110, and the hook 320 is accommodated through the installation groove 113, so that the buckle 300 can move relative to the groove 211.

As shown in fig. 3, 4 and 5, specifically, the elastic frame 310 includes a first elastic rod 311, a second elastic rod 312 and a hook 320, a first end of the first elastic rod 311 is connected with a first end of the second elastic rod 312, the first end of the first elastic rod 311 and the first end of the second elastic rod 312 are both connected with the casing 100, in this embodiment, a flange 150 is disposed on an outer surface of the casing 100, the casing 100 is further provided with a mounting hole 104, the mounting hole 104 is disposed corresponding to the flange 150, the mounting hole 104 is communicated with the cavity 101, the first end of the first elastic rod 311 and the first end of the second elastic rod 312 are both connected with the mounting hole 104 and connected with the flange 150, and in this embodiment, the mounting hole 104 is disposed on the rear cover 140. Specifically, the first end of the first elastic rod 311 and the first end of the second elastic rod 312 are connected to penetrate through the mounting hole 104 and are connected to the flange 150 in a threaded manner, the second end of the first elastic rod 311 is connected to the second end of the second elastic rod 312 through the hook 320, the mounting post 110 includes a first mounting post 111 and a second mounting post 112, the mounting groove 113 is formed between the first mounting post 111 and the second mounting post 112, the elastic member 500 is respectively connected to the first mounting post 111 and the second mounting post 112, one end of the mounting groove 113 is arranged corresponding to the second end of the first elastic rod 311, the other end of the mounting groove 113 is arranged corresponding to the second end of the second elastic rod 312, the hook 320 is movably arranged in the mounting groove 113, in this embodiment, the hook 320 is movably arranged to penetrate through the mounting groove 113 and is movably arranged in the mounting groove 113, therefore, the buckle 300 is connected with the housing 100, so that the buckle 300 can move relative to the groove 211, and the mounting post 110 provides a supporting force for the elastic member 500. In this embodiment, the groove 211 has a notch, and the notch is disposed toward the mounting groove 113, so that the hook 320 is movably disposed in the mounting groove 113 or the groove 211. In this embodiment, the channel 401, the groove 211 and the mounting groove 113 are aligned, so that a tool can extend into the groove from the channel, and the tool pushes the hook located in the groove to move the hook toward the mounting groove, so as to control the hook to move away from the groove, i.e., to control the hook to move away from the stop wall.

In order to limit the ejection distance of the ejector 400, as shown in fig. 6, in one embodiment, a stop block 120 is protrudingly disposed on the housing 100, a protrusion 220 is protrudingly disposed on the limiting member 200, and the stop block 120 is configured to abut against the protrusion 220 when the ejector 400 is protrudingly disposed on the opening 102. Thus, when the ejecting member 400 is ejected, the stopper 120 limits the ejection distance of the stopper 200, thereby limiting the ejection distance of the ejecting member 400, and preventing the ejecting member 400 from being ejected as a whole. In this embodiment, the protrusion 220 is disposed at an end of the limiting member 200 away from the opening 102, so as to maximize the ejection distance of the ejector 400 and prevent the ejector 400 and the limiting member 200 from being ejected.

To install the ejection device 10, as shown in fig. 3, 5 and 6, in one embodiment, the housing 100 includes a housing 130 and a rear cover 140, a hollow structure is disposed in the housing 130, and the hollow structure penetrates through two ends of the housing, the rear cover is connected with the housing to close one end of the housing, and the mounting cavity is formed inside the rear cover connected with the housing, and an opening is formed at one end of the mounting cavity far away from the rear cover. In one embodiment, the housing is snap-fit to the rear cover.

The housing 130 is provided with the cavity 101, one end of the cavity is the opening 102, the other end of the cavity is provided with a mounting port 103, the housing 130 is connected with the rear cover 140, the mounting post 110 is arranged on the rear cover 140, the first guide structure 600 is arranged on the housing 130, and the buckle 300 is connected with the housing 130. In this embodiment, the rear cover 140 movably closes the mounting opening 103, and the ejecting member 400 movably protrudes from the opening 102. In this way, the limiting member 200, the buckle 300, the ejecting member 400 and the elastic member 500 are installed in the cavity 101 through the installation opening 103, and then the installation opening 103 is closed through the rear cover 140, so that the installation of the ejection device 10 is realized. Specifically, the housing 130 is snap-fit connected to the rear cover 140.

In another embodiment, the housing is integrally formed.

In one embodiment, a display screen includes the pop-up device 10 as described in any of the above embodiments.

In one embodiment, a display screen is further provided, as shown in fig. 7, including a module 20, a box body 30 and the pop-up device 10 in any of the above embodiments, where the module 20 is disposed on the box body 30, the housing 100 is connected to the box body 30, and the ejector 400 is connected to the module 20. In this embodiment, the installation groove has been seted up to box 30, the installation groove has through hole 31, pop-up device 10 set up in the installation groove, just pop-up device 10's ejecting 400 activity with through hole 31 parallel and level sets up, in this embodiment, work as when pop-up device 10 is in "locking" state, module 20 laminate in on the box 30 to make module 20 stable under the supporting role of box 30, when maintaining module 20, pop-up through pop-up 400 of pop-up device 10, make ejecting 400 bulge in opening 102, thereby make and form the clearance between module 20 and the box 30, this clearance is favorable to stretching into the clearance with hand or instrument, and then conveniently will module 20 is dismantled from box 30.

As shown in fig. 7, in the present embodiment, the ejector 400 is connected to the module 20 through a magnetic member. Specifically, the magnetic member includes a first magnetic member 810 and a second magnetic member 820, the first magnetic member 810 is connected to the ejection member 400, the module 20 is provided with a fixing groove, the second magnetic member 820 is disposed in the fixing groove, the second magnetic member 820 is connected to a sidewall of the fixing groove, and the first magnetic member 810 is magnetically connected to the second magnetic member 820, so that the ejection member 400 is connected to the module 20. In this embodiment, the first magnetic member is provided with a first poking hole, the second magnetic member is provided with a second poking hole, the module is provided with a third poking hole, the second poking hole, the first poking hole and the channel are sequentially communicated, so that a tool sequentially penetrates through the third poking hole, the second poking hole, the first poking hole and the channel and pushes the hook to be separated from the stop wall, and the ejection of the ejection device is realized.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. A pop-up device is characterized by comprising a shell, a limiting part, a buckle, a push-out part and an elastic part, wherein a cavity is formed in the shell, one end of the cavity is provided with an opening, the side wall of the cavity is provided with a first guide structure, the first guide structure is spirally arranged along the side wall of the cavity, the outer side of the limiting part is provided with a second guide structure, the first guide structure is matched with the second guide structure in shape, the second guide structure slides along the first guide structure, the limiting part is axially provided with a through hole, at least part of the push-out part penetrates through the through hole, the limiting part is rotatably connected with the push-out part, one end of the elastic part is connected with the shell, the other end of the elastic part is connected with the push-out part, and the push-out part movably protrudes out of the opening, the limiting piece is provided with a stop wall, one end of the buckle is connected with the shell, the other end of the buckle is movably abutted against the stop wall, and the buckle is used for limiting the second guide structure to slide along the first guide structure when abutted against the stop wall.

2. An ejector device according to claim 1, wherein the cavity is cylindrical and the first guide formation extends axially of the cavity.

3. The ejector device of claim 2, wherein said stop is configured as a cylindrical structure.

4. The pop-up device as claimed in claim 1, wherein the first guiding structure is a sliding rail protruding from the side wall of the cavity, the sliding rail is spirally disposed along the side wall of the cavity, the second guiding structure is a sliding groove disposed on the outer surface of the position-limiting member, the sliding groove is spirally disposed along the outer surface of the position-limiting member, and the outer side of the position-limiting member is slidably sleeved on the sliding rail through the sliding groove.

5. The ejection device according to claim 1, wherein a groove is formed at an end of the position-limiting member away from the opening, the sidewall of the groove is provided as the stopper wall, and an end of the buckle away from the housing is movably disposed in the groove.

6. The ejector device according to claim 1, wherein the outer protrusion of the ejector member is provided with an abutting portion which is movably abutted against the sidewall of the through hole.

7. The ejector device as claimed in claim 1, wherein the ejector member has a channel extending from one end protruding from the opening to the other end, and the channel is disposed toward an end of the retainer wall abutted by the buckle.

8. The pop-up device as claimed in any one of claims 1 to 7, wherein the latch comprises an elastic frame and a hook, one end of the elastic frame is connected to the housing, the other end of the elastic frame is connected to the hook, and the hook is movably abutted against the stop wall.

9. The ejection device according to any one of claims 1 to 7, wherein a stopper is provided on the housing in a protruding manner, and a protrusion is provided on the stopper, and the stopper is configured to abut against the protrusion when the ejection member protrudes from the opening.

10. A display screen, characterized in that it comprises a pop-up device according to any one of claims 1 to 9.