CN112864660A

CN112864660A - Floating connector for display screen assembly and display screen assembly

Info

Publication number: CN112864660A
Application number: CN202110078182.4A
Authority: CN
Inventors: 洪军标
Original assignee: Ningbo Xichuang Nike Electronic Technology Co ltd
Current assignee: Ningbo Xichuang Nike Electronic Technology Co ltd
Priority date: 2021-01-20
Filing date: 2021-01-20
Publication date: 2021-05-28

Abstract

The invention discloses a floating connector for a display screen assembly, which comprises a first connector and a second connector, wherein the first connector and the second connector can be mutually embedded or separated, the first connector or the second connector can float along the width direction of the floating connector and the length direction of the floating connector, the first connector is used for being connected with a base, and the second connector is used for being connected with the back of a screen unit matched with the base. The floating connector also enables quick positioning and electrical connection of the circuit board to the screen unit. The invention also discloses a display screen assembly, by arranging the reinforcing ribs, the circuit board is not easy to be scratched or vibrated, the second connector can be directly inserted in place in the vertical direction when being inserted, the problem that the mutually contacted parts of the first connector and the second connector slide in the vertical direction due to scratching or vibration of the circuit board is solved, the strength of the base can be improved, and the splicing gap is eliminated, so that the display effect is better.

Description

Floating connector for display screen assembly and display screen assembly

Technical Field

The invention relates to the technical field of connectors, in particular to a floating connector for a display screen assembly and the display screen assembly.

Background

The floating connector has a first terminal and a second terminal electrically connectable to each other, and transmits a current or a signal through the connection of the two terminals.

The display screen, for example the LED display screen, generally includes a base, a plurality of screen units disposed on the base and spliced with each other, and the screen units and the circuit board of the base are electrically connected through a connector. If the LED display screen adopts ordinary connector, then, after the screen unit installation, the position relatively fixed between screen unit and the base, when having installation positioning gap and part machining tolerance, persist the concatenation gap easily between the adjacent screen unit, the display surface of display screen can be complete inadequately like this, not pleasing to the eye enough, and the display effect is relatively poor. To this end, the applicant applied the floating connector to the display screen.

For example, chinese utility model patent application No. CN201921638858.5 (publication No. CN210723539U) discloses "a floating connector and LED display screen", the floating connector includes a fixed portion, a floating portion, and a connecting portion, the connecting portion includes a first connecting body extending from a side portion of a floating block, the first connecting body is elastically connected to a base, and a first connector is fixed on the floating block; the LED display screen comprises the floating connector, the LED module is fixed on the box body, the LED module is electrically connected with a second connector clip, and the second connector clip can be connected with the first connector clip in an inserting mode. In the patent, because the first connecting body is elastically connected with the base, the floating block can float relative to the base, the position relation between the LED module and the box body can be flexibly adjusted in the assembling and maintaining processes, and the LED display screen is convenient to install and maintain; and the electric connection of LED module and box in this patent does not need the wire, has reduced the work load that the wire is connected, need not set up the wire winding space in the box, makes LED display screen more frivolous. However, this patent does not disclose a floating connector of other structure, nor does it disclose other mounting structure of the floating connector.

For another example, a chinese utility model patent with application number CN201721308975.6 (publication number CN207602153U) discloses "an LED display screen module and a display device", where the LED display screen module includes a bottom shell and two identical LED lamp panels fixed on one side of the bottom shell in combination; the two LED lamp panels are fixedly connected through a floating connector capable of moving in the three-dimensional direction, the floating connector is used for adjusting and fixing the relative position between the two adjacent LED lamp panels, so that the two display surfaces after being combined are on the same plane, and the edges of the two display surfaces are mutually combined. This patent is through using the relative position between the connector adjustment of floating and the fixed two LED lamp plates (being equivalent to screen unit), makes two respective display surfaces of LED lamp plate after closing at same plane, makes the terminal surface that two LED lamp plates correspond contact and close. However, this patent does not disclose a specific structure of the floating connector; in addition, in this patent, after the male seat of floating connection and the female seat of floating connection are jointed, the corresponding terminal surfaces of two LED lamp panels contact and involute, but do not disclose other mounting structures of floating connector.

Disclosure of Invention

A first technical problem to be solved by the present invention is to provide a floating connector for a display panel assembly, which can also electrically connect a circuit board and a screen unit, in view of the current state of the art.

The second technical problem to be solved by the present invention is to provide a display screen assembly, which can eliminate the splicing gap between adjacent screen units, so that the display effect is good, and the circuit board is not easy to deform.

The technical scheme adopted by the invention for solving the first technical problem is as follows: a floating connector for a display panel assembly, comprising a first connector and a second connector which can be fitted to or separated from each other, the first connector being floatable in a width direction of the floating connector and a length direction of the floating connector, characterized in that:

the first connector is used for being connected with a circuit board arranged on the base, and the second connector is used for being connected with the back of the screen unit.

The first connector and the second connector may have various shapes, and preferably, the first connector includes a first insulating fixed housing, an insulating movable housing movable relative to the first insulating fixed housing, and a first terminal having a first side connected to the first insulating fixed housing and a second side connected to the insulating movable housing, the first terminal having a movable portion and a first contact portion connected thereto, the movable portion being elastically deformable in a width direction of the floating connector and a length direction of the floating connector;

the second connector includes a second insulating fixed housing capable of being fitted to or separated from the insulating movable housing, and a second terminal connected to the second insulating fixed housing and having a second contact portion capable of being electrically connected to or disconnected from the first contact portion.

The second terminal may have various shapes, and preferably, the second terminal includes a first portion extending in a width direction of the floating connector, and a second portion extending downward from the first portion in an up-down direction of the floating connector, the second portion has two portions arranged at intervals in the width direction of the floating connector, each of the second portions includes a first section, a second section, and a third section connected to each other, the first section is connected to the first portion and extends downward, the second section is connected to a bottom end of the first section and is inclined in a direction close to the first contact portion, the third section is connected to the second section and is inclined in a direction away from the first contact portion, and a position where the second section and the third section are connected is the second contact portion.

The second housing may have various shapes, and preferably, the bottom of the second housing has a first receiving groove opened downward for receiving the first contact portion of the first terminal, and the top of the second housing has a second receiving groove opened upward for receiving the second contact portion, the second receiving groove communicating with the first receiving groove in the width direction of the floating connector.

Preferably, the first insulating fixed housing and the insulating movable housing have a first pitch therebetween in the width direction of the floating connector so that the movable portion can be elastically deformed in the width direction of the floating connector;

the first insulating fixed housing and the insulating movable housing have a second pitch therebetween in the longitudinal direction of the floating connector, so that the movable portion can be elastically deformed in the longitudinal direction of the floating connector.

The shape of the movable portion may be various, and preferably, the movable portion includes a first extending portion and a second extending portion connected to each other and extending in an up-down direction of the floating connector, and the movable portion has a substantially inverted V-shape.

The shape of the insulative movable housing may be various, and preferably, the insulative movable housing includes a first insertion groove opened downward for the first contact portion of the first terminal to pass through, and a second insertion groove opened upward for accommodating the second contact portion, the second insertion groove communicating with the first insertion groove in the width direction of the floating connector.

The technical scheme adopted by the invention for solving the second technical problem is as follows: a display screen assembly that uses the above-mentioned floating connector for display screen assembly, its characterized in that: the display screen assembly comprises a base, at least two screen units and a circuit board, wherein the at least two screen units are positioned on the base, the circuit board is arranged on the base, a first connector is arranged on the circuit board, a second connector is arranged on the back of each screen unit, a first magnetic suction piece and a second magnetic suction piece which can attract each other are respectively arranged at the positions, corresponding to the bottom of each screen unit and the base, of the base, and at least one of the first magnetic suction piece and the second magnetic suction piece is a magnet;

the base is provided with reinforcing ribs extending in the transverse direction or/and the longitudinal direction, and the first connector and the second connector which is embedded with the first connector are vertically aligned with the reinforcing ribs in corresponding positions.

In order to reduce the area of the circuit board, the circuit board is disposed at the middle of the base, and the floating connectors are disposed at positions near the bottom edges of the respective screen units. Therefore, the positions of all the first connectors are relatively concentrated, the circuit board can be made to be small, the second connector can be inserted in place immediately when being inserted into the first connector, the circuit board is not easy to deform, and the problem that the parts of the first connector and the second connector which are contacted with each other slide in the height direction is overcome.

In order to position the screen unit during installation, one of the base and the corresponding screen unit is provided with a positioning column, the other one of the base and the corresponding screen unit is provided with a positioning groove for accommodating the positioning column, when the corresponding screen unit is installed in place on the base, the positioning column is positioned in the positioning groove, and the size of the positioning groove is larger than that of the positioning column, so that the positioning column has a certain moving distance relative to the positioning groove, and the moving distance corresponds to the floating distance of the floating connector in the width direction of the floating connector and the length direction of the floating connector. When the installation like this, aim at the reference column with the constant head tank, be favorable to when the installation to screen unit fix a position to install screen unit fast.

In order to position the screen unit when it is installed, the base also has a positioning member having a shape and position corresponding to those of the edge of the screen unit. Therefore, when the screen unit is installed, the screen unit is aligned with the positioning piece, and the screen unit can be quickly placed at a required position.

In order to facilitate quick installation of the screen units, the cross section of each screen unit is rectangular, two second connectors are arranged at the bottom of each screen unit, and the two second connectors are arranged in a central symmetry mode by taking the axis of the screen unit as the center. Therefore, after the screen unit rotates by 180 degrees and before the screen unit does not rotate, the corresponding second connectors can be embedded with the first connectors, so that the times of adjusting the direction of the screen unit can be reduced, and the installation efficiency of the screen unit is improved.

In order to enable the floating connector to respond quickly, the cross section of each screen unit is rectangular, the length direction of the screen unit is parallel to the length direction of the floating connector, and the width direction of the screen unit is parallel to the width direction of the floating connector. When the screen unit is moved, the movable part of the floating connector can be deformed quickly and correspondingly adjusted to a proper position.

Compared with the prior art, the invention has the advantages that: the first connector is used for being connected with a circuit board arranged on the base, the second connector is used for being connected with the back of the screen unit, and when the first connector and the second connector are mutually embedded, the circuit board is electrically connected with the screen unit, so that the floating connector can also realize quick positioning and electrical connection of the circuit board and the screen unit.

A display screen assembly applying the floating connector for the display screen assembly is characterized in that reinforcing ribs are arranged, the positions of the floating connector corresponding to the reinforcing ribs are aligned up and down, the reinforcing ribs can support a circuit board, and the circuit board is not easy to be scratched or vibrated, so that the circuit board can be prevented from being deformed in the plugging and unplugging process of a first connector and a second connector; the abrasion is reduced, and the service life is prolonged;

in addition, the reinforcing ribs can also improve the strength of the base, so that the base is not easy to deform and damage;

through setting up the connector that floats, the piece is inhaled to first magnetism and second magnetism, during the installation, first connector and the second connector that will float the connector link to each other, base and screen unit inhale the piece through first magnetism and second magnetism and link to each other, remove the screen unit that corresponds after that, first connector or second connector float because the width direction that can follow the connector that floats with the length direction of the connector that floats, and make the position of the relative base of screen unit can adjust, guarantee under the circumstances of first connector and second connector stable connection like this, the screen unit that makes the removal is close to adjacent screen unit, in order to eliminate the concatenation gap, the display surface of whole display screen is comparatively complete like this, and is pleasing to the eye, the display effect is better.

Drawings

FIG. 1 is a perspective view of a display screen assembly according to an embodiment of the present invention;

FIG. 2 is an exploded view of a screen unit with the remainder;

FIG. 3 is an enlarged view of portion C of FIG. 2;

FIG. 4 is another exploded view of FIG. 1;

FIG. 5 is a schematic view from another angle of FIG. 4;

FIG. 6 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 7 is an enlarged view of detail D of FIG. 6;

FIG. 8 is a cross-sectional view taken along line B-B of FIG. 1;

FIG. 9 is an enlarged view of portion E of FIG. 8;

fig. 10 is a longitudinal section through the first positioning stud of fig. 1;

FIG. 11 is an enlarged schematic view of detail F of FIG. 10;

FIG. 12 is an exploded view of a floating connector in an embodiment of the present invention;

FIG. 13 is a schematic view from another angle of FIG. 12;

fig. 14 is a schematic perspective view of a second terminal of the floating connector in accordance with an embodiment of the present invention;

fig. 15 is a perspective view of a first terminal of the floating connector in an embodiment of the present invention;

fig. 16 is an assembled view of the second dielectric mounting housing and a portion of the second terminal in accordance with an embodiment of the present invention;

fig. 17 is a schematic view from another angle of fig. 16.

Detailed Description

The invention is described in further detail below with reference to the accompanying examples.

As shown in fig. 1 to 17, a preferred embodiment of a display panel to which the floating connector of the present invention is applied.

The display screen assembly includes a floating connector, a base 100, four screen units 200, a first magnetic member 400, a second magnetic member 300, a circuit board 500, and the like.

Among them, the floating connector includes a first connector provided on the circuit board 500 and a second connector provided on the rear surface of the screen unit 200, the first connector and the second connector being capable of being engaged with or disengaged from each other, the first connector being floatable in a width direction X of the floating connector and a length direction Y of the floating connector.

In this embodiment, the first connector includes a first insulating fixed housing 5, an insulating movable housing 1, and a first terminal 3, the insulating movable housing 1 is movable relative to the first insulating fixed housing 5, a first side of the first terminal 3 is connected to the first insulating fixed housing 5, and a second side thereof is connected to the insulating movable housing 1, the first terminal 3 has a movable portion 31 and a first contact portion 32 connected thereto, and the movable portion 31 is elastically deformable in a width direction X of the floating connector and a length direction Y of the floating connector. Referring to fig. 7, the first insulating fixed housing 5 and the insulating movable housing 1 have a first pitch a therebetween in the width direction X of the floating connector, while the movable portion 31 is allowed to elastically deform in the width direction X of the floating connector; referring to fig. 9, the first insulating fixed housing 5 and the insulating movable housing 1 have a second pitch B in the longitudinal direction Y of the floating connector, so that the movable portion 31 can be elastically deformed in the longitudinal direction Y of the floating connector. Referring to fig. 11, the bottom of the first insulating fixed housing 5 has two first positioning studs 51, the two first positioning studs 51 are respectively disposed in the diagonal direction of the first insulating fixed housing 5, and the circuit board 500 has a receiving hole 501 (fig. 11) at a corresponding position for the first positioning stud 51 to extend into. In addition, the first insulating fixing housing 5 is further sleeved with a first connecting member 600, and both ends of the first connecting member 600 are respectively connected to the circuit board 500, so as to fix the first connector to the circuit board 500.

The insulating movable housing 1 includes a first insertion groove 11 opened downward for the first contact portion 32 of the first terminal 3 to pass through, and a second insertion groove 12 opened upward for accommodating the second contact portion 4a, the second insertion groove 12 communicating with the first insertion groove 11 in the width direction X of the floating connector. The movable portion 31 includes a first extending portion 311 and a second extending portion 312 that are connected to each other and each extend in the up-down direction Z of the floating connector, and the movable portion 31 is substantially inverted V-shaped. The first insulating fixed housing 5 and the insulating movable housing 1 can be made of plastic material.

The second connector includes a second insulating fixed housing 2 and a second terminal 4, the second insulating fixed housing 2 can be fitted to or separated from the insulating movable housing 1, the second terminal 4 is connected to the second insulating fixed housing 2 and has a second contact portion 4a, and the second contact portion 4a can be electrically connected to or disconnected from the first contact portion 32. In this embodiment, the two second contact portions 4a are provided at an interval, and when the second insulating fixed housing 2 and the insulating movable housing 1 are fitted to each other, each second contact portion 4a is electrically connected to the first contact portion 32, so that the first terminal 3 and the second terminal 4 are electrically connected relatively stably and contact failure is less likely to occur. In other embodiments, the number of the second contact portions 4a may be adjusted as needed. The bottom of the second housing 2 has a first receiving groove 21 opened downward for receiving the first contact portion 32 of the first terminal 3, and the top of the second housing 2 has a second receiving groove 22 opened upward for receiving the second contact portion 4a, the second receiving groove 22 communicating with the first receiving groove 21 in the width direction X of the floating connector. The bottom of the second insulating fixed housing 2 has two second positioning studs 23, the two second positioning studs 23 are respectively disposed on the diagonal direction of the second insulating fixed housing 2, and the screen unit 200 has an accommodating groove 202 (fig. 9) for the second positioning stud 23 to extend into at a corresponding position. In addition, the second insulating fixing case 2 is further sleeved with a second connector 700, and both ends of the second connector 700 are respectively connected to the back surface of the screen unit 200, thereby fixing the second connector to the screen unit 200.

The second terminal 4 includes a first portion 41 extending in the width direction X of the floating connector, and two second portions 42 extending downward from the first portion 41 in the up-down direction Z of the floating connector, each of the second portions 42 includes a first section 421, a second section 422, and a third section 423 connected to each other, the first section 421 is connected to the first portion 41 and extends downward, the second section 422 is connected to the bottom end of the first section 421 and is inclined toward the direction close to the first contact portion 32, the third section 423 is connected to the second section 422 and is inclined away from the first contact portion 32, and the position where the second section 422 and the third section 423 are connected is the second contact portion 4a (see fig. 14). The second insulating fixing housing 2 may also be made of plastic.

The base 100 has a receiving cavity opened upward, the cross section of the base 100 is rectangular, and the base 100 has a plurality of ribs 102 extending in a lateral direction (i.e., a left-right direction of fig. 1, that is, a Y direction of fig. 3) and a longitudinal direction (i.e., a front-back direction of fig. 1, that is, an X direction of fig. 3) and a plurality of positioning posts 101. The circuit board 500, the positioning column 101 and the reinforcing ribs 102 are all located in the accommodating cavity.

The circuit board 500 is disposed in the middle of the base 100, and referring to fig. 4, specifically, the circuit board 500 is fixed on the stiffener 102 of the base 100 by 6 screws.

The first magnetic attraction piece 400 and the second magnetic attraction piece 300 are respectively disposed on the bottom of each screen unit 200 and the base 100, and the first magnetic attraction piece 400 and the second magnetic attraction piece 300 may be magnets with different magnetism, or one of the first magnetic attraction piece 400 and the second magnetic attraction piece 300 may be a magnet and the other is iron.

The screen unit 200 has a positioning groove 201 for receiving the positioning post 101 of the base 100. In other embodiments, the positioning column 101 may be disposed on the screen unit 200, and the positioning slot 201 is disposed on the base 100. When the corresponding screen unit 200 is mounted in place on the base 100, the positioning column 101 is located in the positioning groove 201, and the positioning groove 201 is larger than the positioning column 101, so that the positioning column 101 has a certain moving distance relative to the positioning groove 201, and the moving distance corresponds to the floating distance of the floating connector in the width direction X of the floating connector and the length direction Y of the floating connector.

The base 100 further has a positioning member 103, the shape and position of the positioning member 103 correspond to the shape and position of the edge of the screen unit 200, in this embodiment, the top corners of the base 100 are located at the positioning members 103 having 4L shapes, and in addition, the middle of the base 100 is provided with a cross-shaped positioning member 103 passing through a middle through hole of the circuit board 500, so that when the screen unit 200 is installed, the screen unit 200 is placed on the positioning members 103, and the edge positions of the top corners of the screen unit 200 are respectively aligned with the corresponding positioning members 103, so that the screen unit 200 can be quickly installed at the corresponding positions through the positioning members 103.

The cross section of each screen unit 200 is rectangular, two second connectors are arranged at the bottom of each screen unit 200, the two second connectors are arranged in a central symmetry mode by taking the axis of the screen unit 200 as the center, and therefore the corresponding second connectors can be embedded with the first connectors after the screen unit 200 rotates 180 degrees and before the screen unit 200 does not rotate, the number of times of adjusting the direction of the screen unit 200 can be reduced, and the installation efficiency of the screen unit is improved. Preferably, the length direction of the screen unit 200 is parallel to the length direction Y of the floating connector, and the width direction of the screen unit 200 is parallel to the width direction X of the floating connector.

The floating connectors are disposed at positions close to the bottom edges of the respective screen units 200, so that the positions of all the first connectors are relatively concentrated, the circuit board 500 can be made small, the second connector can be inserted into place immediately when the first connector is inserted, the circuit board 500 is not easily deformed, and the slippage of the portions of the first connector and the second connector contacting each other in the up-down direction is overcome. In addition, the floating connectors are aligned up and down with the positions corresponding to the reinforcing ribs 102, and specifically, the first connector and the second connector fitted to the first connector are aligned up and down with the positions corresponding to the reinforcing ribs 102, because each screen unit 200 has two second connectors on the back surface thereof, when the screen unit 200 is mounted in place, the second connector fitted to the first connector is aligned up and down with the positions corresponding to the reinforcing ribs 102, and the first connector is also aligned up and down with the positions corresponding to the reinforcing ribs 102.

The working principle and the using process of the display screen assembly of the embodiment are as follows.

The circuit board 500 is fixed to the reinforcing ribs 102 of the base 100 by 6 screws, so that the circuit board 500 can be stably connected to the reinforcing ribs 102 without deformation.

Referring to fig. 11, when the first connector is mounted, the two first positioning studs 51 at the bottom of the first insulating fixing housing 5 are aligned with the accommodating holes 501 of the circuit board 500 at corresponding positions, then the first connector 600 is sleeved outside the first insulating fixing housing 5, and two ends of the first connector 600 are respectively connected with the circuit board 500, so that the first connector is fixed on the circuit board 500.

Referring to fig. 9, when the second connector is mounted, the two second positioning studs 23 at the bottom of the second insulating fixing housing 2 are aligned with the receiving grooves 202 of the circuit board 500 at corresponding positions, and then the second connector 700 is sleeved outside the second insulating fixing housing 2, and both ends of the second connector 700 are respectively connected with the back surface of the screen unit 200, so that the second connector is fixed to the circuit board 500.

The floating connector is aligned up and down with the corresponding position of the reinforcing rib 102, because the reinforcing rib 102 can support the circuit board 500, the circuit board 500 is not easy to bend or vibrate, thus the circuit board 500 can be prevented from deforming in the plugging and unplugging process of the first connector and the second connector, when the second connector is plugged in, the second connector can be directly plugged in place in the up-down direction, and the slippage of the mutual contact part of the first connector and the second connector in the up-down direction caused by the bending or vibration of the circuit board 500 is overcome.

When the screen unit 200 is installed, the corner of the screen unit 200 is aligned to the positioning member 103, the positioning groove 201 of the screen unit 200 is aligned to the positioning column 101 on the base 100, and at this time, the screen unit 200 and the base 100 are connected through the absorption of the first magnetic absorption member 300 and the second magnetic absorption member 400 and the insertion of the first terminal 3 and the second terminal 4.

Finally, as shown in fig. 1, the movable portion 31 can be adjusted in position due to elastic deformation along the left-right direction or/and the corresponding screen unit 200 moving back and forth, so that the position of the screen unit 200 relative to the base 100 can be adjusted, and the splicing gap between the adjacent screen units 200 can be compensated, so that the movable screen unit 200 is close to the adjacent screen unit 200 to eliminate the splicing gap under the condition that the first terminal 3 and the second terminal 4 are stably connected, and thus, the display surface of the whole display screen is complete and beautiful, and the display effect is good.

Claims

1. A floating connector for a display screen assembly, comprising a first connector and a second connector which can be engaged with or disengaged from each other, the first connector being floatable in a width direction (X) of the floating connector and a length direction (Y) of the floating connector, characterized in that:

the first connector is used for connecting with a circuit board (500) arranged on the base (100), and the second connector is used for connecting with the back of the screen unit (200).

2. The floating connector for a display screen assembly of claim 1, wherein: the first connector comprises a first insulation fixed shell (5), an insulation movable shell (1) and a first terminal (3), wherein the insulation movable shell (1) can move relative to the first insulation fixed shell (5), a first side of the first terminal (3) is connected with the first insulation fixed shell (5), a second side of the first terminal is connected with the insulation movable shell (1), the first terminal (3) is provided with a movable part (31) and a first contact part (32) which are connected, and the movable part (31) can elastically deform in the width direction (X) of the floating connector and the length direction (Y) of the floating connector;

the second connector comprises a second insulation fixed shell (2) and a second terminal (4), wherein the second insulation fixed shell (2) can be embedded in or separated from the insulation movable shell (1), the second terminal (4) is connected with the second insulation fixed shell (2) and is provided with a second contact part (4a), and the second contact part (4a) can be electrically connected with or disconnected from the first contact part (32).

3. The floating connector for a display screen assembly of claim 2, wherein: the second terminal (4) includes a first portion (41) extending in the width direction (X) of the floating connector, and a second portion (42) extending downward from the first portion (41) in the vertical direction (Z) of the floating connector, the second part (42) has two parts arranged at intervals along the width direction (X) of the floating connector, each second part (42) comprises a first section (421), a second section (422) and a third section (423) which are connected with each other, the first section (421) is connected with the first part (41) and extends downwards, the second section (422) is connected with the bottom end of the first section (421) and inclines towards the direction close to the first contact part (32), the third segment (423) is connected to the second segment (422) and is inclined in a direction away from the first contact portion (32), and the position where the second segment (422) and the third segment (423) are connected is the second contact portion (4 a).

4. The floating connector for a display screen assembly of claim 2, wherein: the bottom of the second insulating fixing shell (2) is provided with a first accommodating groove (21) which is opened downwards and is used for accommodating a first contact part (32) of the first terminal (3), the top of the second insulating fixing shell (2) is provided with a second accommodating groove (22) which is opened upwards and is used for accommodating a second contact part (4a), and the second accommodating groove (22) is communicated with the first accommodating groove (21) in the width direction (X) of the floating connector.

5. The floating connector for a display screen assembly of claim 2, wherein: the first insulating fixed housing (5) and the insulating movable housing (1) have a first pitch (A) therebetween in the width direction (X) of the floating connector, so that the movable portion (31) can be elastically deformed in the width direction (X) of the floating connector;

the first insulating fixed housing (5) and the insulating movable housing (1) have a second pitch (B) therebetween in the longitudinal direction (Y) of the floating connector, so that the movable portion (31) can be elastically deformed in the longitudinal direction (Y) of the floating connector.

6. The floating connector for a display screen assembly of claim 2, wherein: the movable part (31) includes a first extending portion (311) and a second extending portion (312) which are connected to each other and both extend in the vertical direction (Z) of the floating connector, and the movable part (31) is substantially in an inverted V shape.

7. The floating connector for a display screen assembly of claim 2, wherein: the movable insulating housing (1) comprises a first slot (11) with a downward opening for the first contact part (32) of the first terminal (3) to pass through and a second slot (12) with an upward opening for accommodating the second contact part (4a), and the second slot (12) is communicated with the first slot (11) in the width direction (X) of the floating connector.

8. A display panel assembly to which the floating connector for a display panel assembly according to any one of claims 1 to 7 is applied, wherein: the display screen assembly comprises a base (100), at least two screen units (200) positioned on the base (100) and a circuit board (500) arranged on the base (100), wherein a first connector is arranged on the circuit board (500), a second connector is arranged on the back of each screen unit (200), a first magnetic attraction piece (400) and a second magnetic attraction piece (300) which can be attracted to each other are respectively arranged at the bottom of each screen unit (200) and the corresponding position of the base (100), and at least one of the first magnetic attraction piece (400) and the second magnetic attraction piece (300) is a magnet;

the base (100) is provided with a reinforcing rib (102) extending in the transverse direction or/and the longitudinal direction, and the first connector and the second connector which is embedded with the first connector are vertically aligned with the reinforcing rib (102) at the corresponding positions.

9. The display screen assembly of claim 8, wherein: the circuit board (500) is disposed at the center of the base (100), and the floating connectors are disposed at positions near the bottom edges of the respective screen units (200).

10. The display screen assembly of claim 8, wherein: one of the base (100) and the corresponding screen unit (200) is provided with a positioning column (101), the other one of the base (100) and the corresponding screen unit (200) is provided with a positioning groove (201) used for accommodating the positioning column (101), when the corresponding screen unit (200) is installed on the base (100) in place, the positioning column (101) is located in the positioning groove (201), and the size of the positioning groove (201) is larger than that of the positioning column (101), so that the positioning column (101) has a certain moving distance relative to the positioning groove (201), and the moving distance corresponds to the floating distance of the floating connector in the width direction (X) and the length direction (Y) of the floating connector.

11. The display screen assembly of claim 8, wherein: the base (100) further has a positioning member (103), and the shape and position of the positioning member (103) correspond to the shape and position of the edge of the screen unit (200).

12. The display screen assembly of claim 8, wherein: the cross section of each screen unit (200) is rectangular, two second connectors are arranged at the bottom of each screen unit (200), and the two second connectors are arranged in a central symmetry mode by taking the axis of each screen unit (200) as the center.

13. A display screen assembly according to any one of claims 8 to 12, wherein: the cross section of each screen unit (200) is rectangular, the length direction of the screen unit (200) is parallel to the length direction (Y) of the floating connector, and the width direction of the screen unit (200) is parallel to the width direction (X) of the floating connector.