CN212748265U

CN212748265U - Light leakage prevention backlight testing device of curved surface display screen panel

Info

Publication number: CN212748265U
Application number: CN202022180701.1U
Authority: CN
Inventors: 杨群辉; 陈财武
Original assignee: Huizhou Pinge Precision Industry Co ltd
Current assignee: Huizhou Character Electric Technology Co ltd
Priority date: 2020-09-28
Filing date: 2020-09-28
Publication date: 2021-03-19
Anticipated expiration: 2030-09-28

Abstract

The utility model discloses a backlight leak protection testing device of a curved display screen panel, which belongs to the field of display screen panel production and comprises a box body, a driving part, a clamping part, a vertical plugging part and a translation plugging part, wherein a supporting plate is arranged inside the box body, a rectangular fixing frame is arranged at the bottom of the supporting plate, a placing table is arranged at the top end of the supporting plate, one end of the clamping part is arranged in the rectangular fixing frame, the driving part is arranged at the bottom of the box body, one side of the box body is provided with a lifting plate, the bottom of the box body is provided with a bearing bracket, the vertical plugging part is arranged at the bottom of the box body, the translation plugging part is arranged at the top end of the clamping part, and the top of the box body is provided with a transparent mirror, therefore, the purpose of being suitable for display screens of different models is achieved, and the practicability of the equipment is further improved.

Description

Light leakage prevention backlight testing device of curved surface display screen panel

Technical Field

The utility model belongs to the technical field of the display screen panel production and specifically relates to a curved surface display screen panel's leak protection light testing arrangement in a poor light is related to.

Background

The curved surface display screen is that the panel has the display screen equipment of radian, has promoted the broadness in user's visual experience, and the field of vision that the curved surface display screen gave people is wider, because the edge that slightly is crooked to the user can more press close to the user, realizes the same angle of vwatching basically with screen central point, and the curved surface screen can let the people experience better sight shadow effect simultaneously.

In the production and processing process of the curved-surface display screen, light leakage detection is usually required to be carried out on the display screen, so that the quality of factory sale of the curved-surface display screen is ensured. The problem of light leakage on the curved display screen refers to adjusting the brightness and contrast of the curved display screen to the minimum values. In a dark environment, the upper, lower, left and right edge portions of the display screen are observed with black as a background. However, the existing curved surface display screen light leakage detection device cannot be adjusted and fixed according to the size of the display screen in the detection process, and cannot adjust the positions of a power supply and a VGA plug, so that the device cannot be suitable for display screens of different models, and the production requirements of the existing enterprises cannot be met.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a curved surface display screen panel's leak protection light testing arrangement in a poor light to it can not adjust fixedly according to the size of display screen to solve among the prior art, and can not carry out the technical problem who adjusts to the position of power and VGA plug.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a leak protection light testing arrangement in a poor light of curved surface display screen panel, includes box, driver part, clamping part, perpendicular plug part and translation plug part, the box internally mounted is the backup pad that is the level setting, the bottom of backup pad is equipped with rather than the fixed frame of fixed connection's rectangle, the top of backup pad is equipped with rather than fixed connection's placing table, and the top of this placing table is personally submitted the arc form, clamping part is provided with four, and four clamping part are the rectangle and distribute in the box, and the one end of each clamping part sets up in the fixed frame of rectangle and all with driver part normal running fit, and the other end of each clamping part is connected with the inside wall of box normal running, driver part installs in the bottom of box to driver part's top is located the fixed frame of rectangle, one side of box is equipped with rather than articulated lifting plate, the bottom of box is equipped with rather than fixed, the vertical plugging component is arranged at the bottom of the box body, the top end of the vertical plugging component extends into the box body, the translation plugging component is arranged on the top end of the clamping component, and the top of the box body is provided with a transparent mirror for observing a test result.

Further, drive unit includes driving motor and first bevel gear, driving motor is vertical installation in the bottom of box to driving motor's output extends to the inside of box, first bevel gear fixed mounting is on driving motor output.

Further, every clamping unit includes second bevel gear, screw rod and presss from both sides tight piece, second bevel gear and first bevel gear mesh mutually, fixed frame and second bevel gear fixed connection are run through to screw rod one end, the other end and the box of screw rod rotate to be connected, it is vertical setting on the screw rod to press from both sides tight piece bottom and screw rod transmission to be connected, and the screw thread opposite direction on two relative screws that set up.

Furthermore, the vertical plugging component comprises an air cylinder, a concave plate, a first adjusting plate, a first VGA plug, a first power plug and two first limiting strips, wherein the air cylinder is vertically arranged at the bottom of the box body, the output end of the air cylinder extends to the inside of the box body, the concave plate is positioned inside the box body, the bottom end of the concave plate is fixedly connected with the output end of the air cylinder, the top end of the concave plate penetrates through the supporting plate, the first adjusting plate is transversely arranged at the top of the concave plate, the first adjusting plate is connected with the concave plate through a bolt, the two first limiting strips are fixed at the top of the first adjusting plate, a second waist-shaped hole arranged along the length direction of the first adjusting plate is arranged on the first adjusting plate, the second waist-shaped hole is positioned between the two first limiting strips, the two sides of the top of the concave plate are respectively provided with a first waist-shaped hole, and each first waist-shaped hole extends along the width direction of the, first VGA plug and first power plug all are located first regulating plate top to the equal fixedly connected with first through-hole axle in first VGA plug and first power plug's bottom is equipped with the external screw thread on this first through-hole off-axial wall, the epaxial first fastening nut rather than locking complex that is equipped with of first through-hole.

Furthermore, the translation plug-pull component comprises a second adjusting plate, a second VGA plug, a second power supply plug and two second limiting strips, the second adjusting plate is transversely arranged on one side of the clamping block and is connected with the clamping block through a bolt, the two second limiting strips are fixed on one side of the second adjusting plate, the second adjusting plate is provided with a fourth waist-shaped hole arranged along the length direction of the second adjusting plate, the fourth waist-shaped hole is positioned between the two second limiting strips which are arranged at the two sides of the fourth waist-shaped hole, the clamping block is provided with a third waist-shaped hole arranged along the length direction of the clamping block, the second VGA plug and the second power plug are positioned at one side of the second adjusting plate, and the bottom ends of the second VGA plug and the second power plug are fixedly connected with a second through hole shaft, the outer wall of the second through hole shaft is provided with external threads, and the second through hole shaft is provided with a second fastening nut in locking fit with the second through hole shaft.

Furthermore, four sliding grooves are formed in the supporting plate and are in one-to-one corresponding sliding fit with the four clamping blocks, and rectangular holes matched with the concave plates to move up and down are formed in the supporting plate.

Compared with the prior art, the beneficial effects of the utility model reside in that:

firstly, the lifting plate is opened, the curved surface screen panel to be detected is placed on a placing table fixed at the top end of the supporting plate, the driving motor works to drive a first bevel gear fixedly connected with the output end of the driving motor to rotate, the second bevel gear is driven to synchronously rotate by meshing a second bevel gear with the first bevel gear, one end of a screw penetrates through a rectangular fixing frame and is fixedly connected with the second bevel gear, the other end of the screw is rotatably connected with a box body to drive the screw to rotate, so that the clamping blocks in transmission connection with the screw are driven to rotate, the directions of threads on the two oppositely arranged screws are opposite, the movement tracks of the two adjacent second bevel gears are not overlapped, the four clamping blocks slide towards the middle along sliding chutes in one-to-one corresponding sliding fit with the four clamping blocks, the curved surface display screen panel on the placing table is clamped, and the movement stroke of the clamping blocks is controlled by adjusting the number of turns of the, therefore, the purpose that the device is adjusted according to the size of the curved surface display screen panel in the detection process can be achieved, and the practicability of the device is improved;

secondly, if the VGA socket and the power socket of the curved-surface display screen panel are positioned at the bottom, the two first through hole shafts which are fixedly connected with the bottom ends of the first VGA plug and the first power plug and provided with external threads on the outer walls are in locking fit with the two first fastening nuts, so that the positions of the first VGA plug and the first power plug are adjusted and are aligned with the VGA socket and the power socket of the curved-surface display screen, after the four clamping blocks complete clamping action, the cylinder is started to drive the concave plate fixedly connected with the output end of the cylinder to ascend, the first adjusting plate connected with the concave plate through the bolt is driven to ascend synchronously, and the support plate is arranged by penetrating through the top end of the concave plate, so that the first VGA plug and the first power plug complete inserting action, and the detection efficiency is improved;

thirdly, if VGA socket and power socket of curved surface display screen panel are located the side, be equipped with two second through-hole axles and two second fastening nut lock coordination of external screw thread on second VGA plug and second power plug bottom fixed connection and the outer wall, thereby adjust the position of second VGA plug and second power plug, aim at VGA socket and power socket of curved surface display screen panel, make it also can accomplish the grafting action in step when pressing from both sides tight piece and accomplish the clamping action second VGA plug and second power plug, through adjusting the position of first VGA plug and first power plug and second VGA plug and second power plug, make equipment can be applicable to the curved surface display screen panel of different models, the practicality of equipment has further been improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic sectional view of the three-dimensional structure of the present invention;

FIG. 3 is a front view of the present invention;

fig. 4 is a cross-sectional view taken along line a-a of fig. 3 in accordance with the present invention;

fig. 5 is a schematic perspective view of the driving member, the clamping member and the translational inserting and pulling member of the present invention;

fig. 6 is a schematic perspective view of the vertical plug-in component of the present invention.

Reference numerals:

the device comprises a box body 1, a driving part 2, a driving motor 21, a first bevel gear 22, a clamping part 3, a second bevel gear 31, a screw rod 32, a clamping block 33, a vertical plugging part 4, an air cylinder 41, a concave plate 42, a first adjusting plate 43, a first VGA plug 44, a first power plug 45, a first limiting strip 46, a first through hole shaft 47, a first fastening nut 48, a first waist-shaped hole 49, a second waist-shaped hole 50, a translational plugging part 5, a second adjusting plate 51, a second VGA plug 52, a second power plug 53, a second limiting strip 54, a second through hole shaft 55, a second fastening nut 56, a third waist-shaped hole 57, a fourth waist-shaped hole 58, a supporting plate 6, a placing table 7, a lifting plate 8, a bearing support 9, a transparent mirror 10, a rectangular fixing frame 11, a sliding groove 12 and a rectangular hole 13.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention.

The components of the embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention.

Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The following description shows, with reference to fig. 1 to 6, a backlight leak protection testing device for a curved display screen panel, which includes a box 1, a driving component 2, a clamping component 3, a vertical plugging component 4 and a horizontal plugging component 5, wherein a horizontally disposed supporting plate 6 is installed inside the box 1, a rectangular fixing frame 11 fixedly connected to the supporting plate 6 is installed at the bottom of the supporting plate 6, a placing table 7 fixedly connected to the supporting plate 6 is installed at the top end of the supporting plate 6, the top end of the placing table 7 is arc-shaped, the four clamping components 3 are arranged, the four clamping components 3 are distributed in the box 1 in a rectangular shape, one end of each clamping component 3 is arranged in the rectangular fixing frame 11 and is rotatably matched with the driving component 2, the other end of each clamping component 3 is rotatably connected to the inner side wall of the box 1, the driving component 2 is installed at the bottom of the box 1, and the top of the driving part 2 is located in the rectangular fixing frame 11, one side of the box 1 is provided with a lifting plate 8 hinged with the box, the bottom of the box 1 is provided with a bearing support 9 fixedly connected with the box, the vertical plugging part 4 is installed at the bottom of the box 1, the top of the vertical plugging part 4 extends to the inside of the box 1, the translation plugging part 5 is installed on the top of one clamping part 3, and the top of the box 1 is provided with a transparent mirror 10 for observing a test result.

Specifically, the driving part 2 includes a driving motor 21 and a first bevel gear 22, the driving motor 21 is vertically installed at the bottom of the box body 1, an output end of the driving motor 21 extends to the inside of the box body 1, and the first bevel gear 22 is fixedly installed at the output end of the driving motor 21. Every clamping part 3 includes second bevel gear 31, screw rod 32 and presss from both sides tight piece 33, second bevel gear 31 and first bevel gear 22 mesh mutually, fixed frame 11 and second bevel gear 31 fixed connection are run through to screw rod 32 one end, the other end and the box 1 of screw rod 32 rotate to be connected, it is vertical setting on screw rod 32 to press from both sides tight piece 33 bottom and screw rod 32 transmission connection, and the screw thread opposite direction on two relative screws 32 that set up, the motion orbit of two adjacent second bevel gears 31 that set up does not coincide, during the operation: the driving motor 21 works to drive the first bevel gear 22 fixedly connected with the output end of the driving motor to rotate, the second bevel gear 31 is driven to synchronously rotate by the engagement of the second bevel gear 31 and the first bevel gear 22, one end of the screw 32 penetrates through the rectangular fixing frame 11 to be fixedly connected with the second bevel gear 31, the other end of the screw 32 is rotatably connected with the box body 1 to drive the screw 32 to rotate, and therefore the clamping blocks 33 in transmission connection with the screw 32 are driven to rotate, the directions of the threads on the two oppositely arranged screw 32 are opposite, and the motion trails of the two adjacent second bevel gears 31 are not overlapped, so that the four clamping blocks 33 slide towards the middle along the sliding chutes 12 in one-to-one corresponding sliding fit with the clamping blocks, the curved surface display screen panel on the placing table 7 is clamped, the motion stroke of the clamping blocks 33 is controlled by adjusting the number of turns of the rotation of the driving motor 21, and the purpose of adjusting the device according to the size of the curved surface display screen, the practicability of the equipment is improved.

Specifically, the vertical plug component 4 includes a cylinder 41, a concave plate 42, a first adjusting plate 43, a first VGA plug 44, a first power plug 45 and two first limiting strips 46, the cylinder 41 is vertically installed at the bottom of the box 1, and the output end of the cylinder 41 extends to the inside of the box 1, the concave plate 42 is located inside the box 1, the bottom end of the concave plate 42 is fixedly connected with the output end of the cylinder 41, and the top end of the concave plate 42 penetrates through the supporting plate 6, the first adjusting plate 43 is transversely arranged at the top of the concave plate 42, the first adjusting plate 43 is connected with the concave plate 42 through a bolt, two first limiting strips 46 are fixed at the top of the first adjusting plate 43, a second waist-shaped hole 50 is arranged on the first adjusting plate 43 along the length direction of the first adjusting plate, the second waist-shaped hole 50 is located between the two first limiting strips 46, the two sides of the top of the concave plate 42 are both provided with a first waist-shaped hole 49, every first waist type hole 49 extends the setting along the width direction of notch plate 42, first VGA plug 44 and first power plug 45 all are located first regulating plate 43 top to the equal fixedly connected with first through-hole axle 47 in bottom of first VGA plug 44 and first power plug 45 is equipped with the external screw thread on this first through-hole axle 47 outer wall, be equipped with on the first through-hole axle 47 rather than the first fastening nut 48 of locking complex, during the operation: when the VGA socket and the power socket of curved surface display screen panel are located the bottom, be equipped with two first through-hole axles 47 and two first fastening nut 48 locking coordination of external screw thread on

first VGA plug

44 and 45 bottom fixed connection of first power plug and the outer wall, thereby adjust

first VGA plug

44 and 45 position of first power plug, aim at VGA socket and the power socket of curved surface display screen panel, accomplish the clamping action back at four clamp splice 33, start cylinder 41, drive and cylinder 41 output fixed connection's notch plate 42 and rise, both drive and the synchronous rising of notch plate 42 through bolted connection's first regulating plate 43, again run through backup pad 6 settings through notch plate 42's top, thereby make first VGA plug 44 and first power plug 45 accomplish the grafting action, the efficiency of detection has been improved.

Specifically, the translational plug-pull component 5 includes a second adjusting plate 51, a second VGA plug 52, a second power plug 53 and two second limiting strips 54, the second adjusting plate 51 is transversely arranged on one side of the clamping block 33, the second adjusting plate 51 is connected with the clamping block 33 through a bolt, the two second limiting strips 54 are fixed on one side of the second adjusting plate 51, a fourth kidney-shaped hole 58 arranged along the length direction of the second adjusting plate 51 is arranged on the second adjusting plate 51, the fourth kidney-shaped hole 58 is positioned between the two second limiting strips 54, the two second limiting strips 54 are arranged on two sides of the fourth kidney-shaped hole 58, a third kidney-shaped hole 57 arranged along the length direction of the clamping block 33 is arranged on the clamping block 33, the second VGA plug 52 and the second power plug 53 are positioned on one side of the second adjusting plate 51, and the bottom ends of the second VGA plug 52 and the second power plug 53 are both fixedly connected with a second through hole shaft 55, be equipped with the external screw thread on this second through-hole axle 55 outer wall, be equipped with on the second through-hole axle 55 rather than locking complex second fastening nut 56, during the operation: when the VGA socket and the power socket of the curved surface display screen panel are positioned on the side edges, the two second through hole shafts 55 and the two second fastening nuts 56 which are fixedly connected at the bottom ends of the second VGA plug 52 and the second power plug 53 and are provided with external threads on the outer wall are in locking fit, so that the positions of the second VGA plug 52 and the second power plug 53 are adjusted, the VGA socket and the power socket of the curved surface display screen panel are aligned, the second VGA plug 52 and the second power plug 53 can synchronously complete the plugging action when the clamping block 33 completes the clamping action, and the device can be suitable for curved surface display screen panels of different models by adjusting the positions of the first VGA plug 44, the first power plug 45, the second VGA plug 52 and the second power plug 53, and further improves the practicability of the device.

Specifically, be equipped with in the backup pad 6 with four slide groove 12 that press from both sides tight piece 33 one-to-one sliding fit, be equipped with the rectangular hole 13 that cooperation concave plate 42 was elevating movement in the backup pad 6, during the operation: when the clamping block 33 performs the clamping action, the sliding groove 12 limits the clamping block 33 to prevent the clamping block 33 from rotating along with the rotation of the screw rod 32.

The utility model discloses a theory of operation: firstly, the lifting plate 8 is opened, the curved-surface screen panel to be detected is placed on the placing table 7 fixed at the top end of the supporting plate 6, the positions of the first VGA plug 44, the first power plug 45, the second VGA plug 52 and the second power plug 53 are judged and adjusted according to the model of the curved-surface display screen panel, so that the curved-surface display screen panel is aligned with the VGA socket and the power socket of the curved-surface display screen panel, then the driving motor 21 works to drive the first bevel gear 22 fixedly connected with the output end of the driving motor to rotate, the second bevel gear 31 is driven to synchronously rotate by the meshing of the second bevel gear 31 and the first bevel gear 22, one end of the screw 32 penetrates through the rectangular fixing frame 11 and is fixedly connected with the second bevel gear 31, the other end of the screw 32 is rotatably connected with the box body 1 to drive the screw 32 to rotate, the clamping block 33 in transmission connection with the screw 32 is driven to rotate, the, and the movement tracks of the two adjacent second bevel gears 31 are not coincident, so that the four clamping blocks 33 slide towards the middle along the sliding grooves 12 in one-to-one corresponding sliding fit with the four clamping blocks, thereby clamping the curved surface display screen panel on the placing table 7, controlling the action stroke of the clamping blocks 33 by adjusting the rotating circles of the driving motor 21, and further achieving the purpose that the equipment can be adjusted according to the size of the curved surface display screen panel in the detection process, and improving the practicability of the equipment, when the VGA socket and the power socket of the curved surface display screen panel are positioned at the side edges, two second through hole shafts 55 which are fixedly connected through the bottom ends of the second VGA plug 52 and the second power plug 53 and are provided with external threads on the outer walls are in locking fit with two second fastening nuts 56, so that the positions of the second VGA plug 52 and the second power plug 53 are adjusted, and the VGA socket and the power socket of the curved surface display, when the VGA socket and the power socket of the curved-surface display screen panel are positioned at the bottom, two first through hole shafts 47 which are fixedly connected at the bottom ends of the first VGA plug 44 and the first power plug 45 and are provided with external threads on the outer walls are in locking fit with two first fastening nuts 48, so that the positions of the first VGA plug 44 and the first power plug 45 are adjusted to be aligned with the VGA socket and the power socket of the curved-surface display screen, after the four clamping blocks 33 complete the clamping action, the air cylinder 41 is started to drive the concave plate 42 fixedly connected with the output end of the air cylinder 41 to ascend, thereby driving the first adjusting plate 43 connected with the concave plate 42 through a bolt to ascend synchronously, and penetrating the supporting plate 6 through the top end of the concave plate 42, so that the first VGA plug 44 and the first power plug 45 complete the plugging action, through the position of adjusting first VGA plug 44 and first power plug 45 and second VGA plug 52 and second power plug 53, make equipment can be applicable to the curved surface display screen panel of different models, the practicality of equipment has further been improved, after curved surface display screen panel is pressed from both sides tightly and VGA socket and power socket plug-in are good, the testing personnel observe under the dark environment in box 1 through establishing the transparent mirror 10 at box 1 top, use the black as the background, whether there is the phenomenon that the light leak is shaded in the marginal portion about curved surface display screen panel, the accuracy of detection has been improved.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The utility model provides a curved surface display screen panel's leak protection light testing arrangement in a poor light which characterized in that: comprises a box body (1), a driving part (2), clamping parts (3), a vertical plugging part (4) and a translational plugging part (5), wherein a supporting plate (6) which is horizontally arranged is arranged inside the box body (1), a rectangular fixing frame (11) which is fixedly connected with the supporting plate is arranged at the bottom of the supporting plate (6), a placing table (7) which is fixedly connected with the supporting plate is arranged at the top end of the supporting plate (6), the top end of the placing table (7) is arc-shaped, four clamping parts (3) are arranged, the four clamping parts (3) are distributed in the box body (1) in a rectangular manner, one end of each clamping part (3) is arranged in the rectangular fixing frame (11) and is in rotational fit with the driving part (2), the other end of each clamping part (3) is rotationally connected with the inner side wall of the box body (1), and the driving part (2) is arranged at the bottom of the box body (, and the top of driver part (2) is located the fixed frame of rectangle (11), one side of box (1) is equipped with rather than articulated opening board (8), the bottom of box (1) is equipped with rather than fixed connection's bearing support (9), the bottom at box (1) is installed in perpendicular plug part (4) to the top of perpendicular plug part (4) extends to the inside of box (1), translation plug part (5) are installed on the top of a clamping part (3), the top of box (1) is equipped with transparent mirror (10) that are used for observing the test result.

2. The apparatus of claim 1, wherein the apparatus comprises: drive unit (2) include driving motor (21) and first bevel gear (22), driving motor (21) are vertical the bottom of installing in box (1) to the output of driving motor (21) extends to the inside of box (1), first bevel gear (22) fixed mounting is on driving motor (21) output.

3. The apparatus of claim 2, wherein the apparatus comprises: every clamping part (3) includes second bevel gear (31), screw rod (32) and presss from both sides tight piece (33), second bevel gear (31) and first bevel gear (22) mesh mutually, fixed frame (11) and second bevel gear (31) fixed connection are run through to screw rod (32) one end, the other end and box (1) of screw rod (32) rotate to be connected, it is vertical setting on screw rod (32) to press from both sides tight piece (33) bottom and screw rod (32) transmission connection, and the screw thread direction on two screw rods (32) that set up relatively is opposite.

4. A light leakage prevention backlight testing device of a curved display screen panel according to claim 3, wherein: the vertical plugging component (4) comprises a cylinder (41), a concave plate (42), a first adjusting plate (43), a first VGA plug (44), a first power plug (45) and two first limiting strips (46), wherein the cylinder (41) is vertically installed at the bottom of the box body (1), the output end of the cylinder (41) extends into the box body (1), the concave plate (42) is located inside the box body (1), the bottom end of the concave plate (42) is fixedly connected with the output end of the cylinder (41), the top end of the concave plate (42) penetrates through the supporting plate (6) to be arranged, the first adjusting plate (43) is transversely arranged at the top of the concave plate (42), the first adjusting plate (43) is connected with the concave plate (42) through bolts, the two first limiting strips (46) are fixed at the top of the first adjusting plate (43), and a second waist-shaped hole (50) is formed in the first adjusting plate (43) along the length direction of the first adjusting plate, this second waist type hole (50) are located between two first spacing (46), the top both sides of notch plate (42) all are equipped with first waist type hole (49), and the width direction extension setting of notch plate (42) is followed in every first waist type hole (49), first VGA plug (44) and first power plug (45) all are located first regulating plate (43) top to the equal fixedly connected with first through-hole axle (47) in bottom of first VGA plug (44) and first power plug (45) is equipped with the external screw thread on this first through-hole axle (47) outer wall, be equipped with on first through-hole axle (47) rather than first fastening nut (48) of locking complex.

5. A light leakage prevention backlight testing device of a curved display screen panel according to claim 3, wherein: translation plug part (5) includes second regulating plate (51), second VGA plug (52), second power plug (53) and two spacing strips of second (54), second regulating plate (51) is and transversely establishes in pressing from both sides tight piece (33) one side, second regulating plate (51) and press from both sides tight piece (33) and pass through bolted connection, two spacing strip of second (54) are fixed in second regulating plate (51) one side, be equipped with fourth waist type hole (58) that set up along its length direction on second regulating plate (51), this fourth waist type hole (58) are located between two spacing strips of second (54), two spacing strip of second (54) set up in fourth waist type hole (58) both sides, be equipped with third waist type hole (57) that set up along its length direction on pressing from both sides tight piece (33), second VGA plug (52) and second power plug (53) are located second VGA (51) one side, and the bottom ends of the second VGA plug (52) and the second power plug (53) are fixedly connected with a second through hole shaft (55), the outer wall of the second through hole shaft (55) is provided with external threads, and the second through hole shaft (55) is provided with a second fastening nut (56) which is in locking fit with the second through hole shaft.

6. The apparatus of claim 4, wherein the apparatus comprises: be equipped with four spout (12) on backup pad (6), and four spout (12) press from both sides tight piece (33) one-to-one sliding fit with four, be equipped with on backup pad (6) and cooperate notch plate (42) to do elevating movement's rectangular hole (13).