CN115581013A

CN115581013A - Waterproof back-inserting structure and LED display screen matched with same

Info

Publication number: CN115581013A
Application number: CN202211444142.8A
Authority: CN
Inventors: 申小玲; 王玲芳
Original assignee: Yancheng Easyquick Technology Co ltd
Current assignee: Yancheng Easyquick Technology Co ltd
Priority date: 2022-11-18
Filing date: 2022-11-18
Publication date: 2023-01-06
Anticipated expiration: 2042-11-18
Also published as: CN115581013B

Abstract

The invention belongs to the technical field of connectors, and particularly relates to a waterproof back-inserting structure and an adaptive LED display screen thereof. According to the invention, through the arranged steering assembly, the wire and the LED can be connected in a narrow space without bending the wire, so that the problems of resistance increase, damage of an insulating layer, a wire core and a shielding layer and the like caused by excessive bending of a transmission lead are avoided, and the applicability of the device is improved.

Description

Waterproof back-inserting structure and LED display screen matched with same

Technical Field

The invention belongs to the technical field of connectors, and particularly relates to a waterproof back-inserting structure and an LED display screen matched with the waterproof back-inserting structure.

Background

An LED display screen is a common display screen in life, mainly displays characters by controlling the display mode of a light emitting diode and depending on the on and off of an LED lamp, can display various information such as characters, animation, images, videos and the like, is novel imaging electronic equipment manufactured by arranging the light emitting diodes in sequence, and has the effects of decoration, propaganda, information browsing, atmosphere backing and the like. Due to the characteristics of high brightness, wide visual angle, long service life and the like, the LED display screen is widely applied to places such as living offices, national celebrations, leisure squares, large entertainment squares, luxury commercial centers, advertising information publishing boards, commercial streets, railway stations, waiting rooms, performance centers, live television broadcasting sites, exhibition venues, concert sites and the like.

The existing LED display screen is used for improving the picture ratio and covering wires, a transmission interface of the LED display screen is mostly arranged on the back, when the LED screen is installed in a tight narrow space, the space is narrow, the wires are often bent, when the bending radius of the wires is smaller than the diameter of the wires by 3 times, the stress concentration of a bending point can be caused, cracks and damages are generated inside an insulating layer, wire cores and a shielding layer are damaged, meanwhile, the bending radius of the wires is smaller than a specified value, the cross section area of the wires can be reduced, and the resistance of the wires is increased.

Disclosure of Invention

The invention aims to provide a waterproof back-inserting structure, which can connect a wire and an LED in a narrow space without bending the wire through an arranged steering assembly, avoids the problems of resistance increase, insulation layer, wire core and shielding layer damage and the like caused by excessive bending of a transmission lead, and improves the applicability of the device.

The technical scheme adopted by the invention is as follows:

the utility model provides a waterproof type back of body inserts structure, includes and connects the shell, the inside assembly that connects the shell has an interface module, its characterized in that: the steering assembly comprises a first shell and a second shell, the joint shell, the steering assembly closest to the joint shell and two adjacent steering assemblies are fixedly connected, the second shell rotates at one end of the first shell, one end, close to the first shell, of the second shell is provided with a joint end, the joint end and the connecting piece are arranged in an axially inclined mode, a first sliding plate is fixed inside the first shell, a plurality of first transmission elements are assembled inside the first sliding plate, the first transmission elements are electrically connected with the interface module through transmission conducting wires, a second sliding plate is fixed inside the second shell, a plurality of second transmission elements are fixed inside the second sliding plate, the second transmission elements correspond to the first transmission elements one by one, and one end of each first transmission element is jointed with the corresponding second transmission element;

and in the initial state, the shaft axes of the connecting pieces are positioned on the same straight line.

As a preferable aspect of the waterproof type back-insert structure of the present invention, wherein: one end of the first sliding plate, which is far away from the second sliding plate, is provided with a plurality of adjusting cavities, the first sliding plate is connected inside the adjusting cavities in a sliding mode, and an elastic element is assembled between the first sliding plate and the adjusting cavities.

As a preferable aspect of the waterproof type back-insert structure of the present invention, wherein: the surface of second slide is provided with a plurality of annular division boards, just the recess of dodging with annular division board looks adaptation is seted up in the inside of first slide, the inside of second slide has a plurality of compartments through annular division board partition, and is a plurality of second transmission element is fixed in the inside of a plurality of compartments respectively, the inside of annular division board has seted up the inner caulking groove, the inside of inner caulking groove is fixed with annular shield.

As a preferable aspect of the waterproof type back-insert structure of the present invention, wherein: one end of the first shell close to the second shell is provided with an annular water blocking plate, the second shell is provided with an annular water blocking groove, a sealing element is fixed inside the annular water blocking groove, the annular water blocking groove is matched with the annular water blocking plate, and when the annular water blocking plate is inserted into the annular water blocking groove, the annular water blocking plate is attached to the sealing element.

As a preferable aspect of the waterproof type back-insert structure of the present invention, wherein: and a damping pad is fixed on the outer side of the annular water-blocking plate, and one end of the damping pad is tightly attached to the second shell.

As a preferable aspect of the waterproof back-insert structure of the present invention, wherein: the frictional force between any one of the dampening shoe and its corresponding second housing is greater than the sum of the gravitational forces between the plurality of steering assemblies and the plurality of links.

As a preferable aspect of the waterproof back-insert structure of the present invention, wherein: the included angle range between the axial direction of the fitting end and the axial direction of the connecting piece is 0-90 degrees.

As a preferable aspect of the waterproof back-insert structure of the present invention, wherein: and the outer side of the first transmission element and the inner wall of the second transmission element are both provided with a plating layer.

The LED display screen is suitable for any one of the waterproof back-inserting structures and comprises a display screen assembly, wherein a second interface is arranged on the display screen assembly, and the second interface is matched with a connector shell.

The invention has the technical effects that:

the steering assembly is arranged in the inclined state, the second shell and the first shell rotate relatively by rotating the second shell, so that the direction of the transmission lead is changed, the second transmission element rotates synchronously along with the second shell in the rotating process of the second shell, and the second transmission element and the first transmission element are always in an electrically connected state, so that the transmission lead is not bent, the problems of resistance increase, insulation layer damage, wire core damage, shielding layer damage and the like caused by excessive bending of the transmission lead are avoided, the device can be suitable for a narrow installation space, and the applicability of the device is improved;

according to the invention, through the friction force between the second shell and the damping pad, after the external force for rotating the second shell is removed, the steering assembly and the connecting piece cannot rotate under the action of gravity, so that the device has a self-locking characteristic and is convenient for adjusting and fixing the orientation of the transmission lead;

when the annular water blocking plate is inserted into the annular water blocking groove and is attached to the sealing element, the sealing performance of the interior of the steering assembly can be improved, liquid and gas containing moisture are prevented from entering the interior of the steering assembly, the first transmission element and the second transmission element are prevented from being oxidized and corroded, the waterproof performance of the device is improved, and the service life of the device is prolonged.

Drawings

FIG. 1 is a schematic structural view of the present invention as a whole;

FIG. 2 is a front view of the overall structure of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a cross-sectional view of the interior of the steering assembly of the present invention;

FIG. 5 is an enlarged view of a portion of the invention at A in FIG. 4;

FIG. 6 is a schematic view of the interior of the first housing of the present invention;

FIG. 7 is a structural cross-sectional view of the interior of the first housing of the present invention;

fig. 8 is an exploded view of the interior of the first housing of the present invention;

FIG. 9 is a schematic view of the interior of the second housing of the present invention;

FIG. 10 is a structural sectional view of the interior of the second casing of the present invention;

fig. 11 is an exploded view of the structure of the inside of the second casing of the present invention;

FIG. 12 is a schematic view of the change of state of the steering of the present invention.

In the drawings, the reference numbers indicate the following list of parts:

10. a connector housing; 11. a connecting member; 20. a first housing; 21. a first slide plate; 22. a first transmission element; 23. a damping pad; 24. an elastic element; 25. an annular water blocking plate; 30. a second housing; 31. a second slide plate; 32. a second transmission element; 33. an annular partition plate; 34. a separation chamber; 35. an annular shield; 36. an annular water blocking groove; 37. a sealing element.

Detailed Description

In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in detail below.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced otherwise than as specifically described herein, and it will be appreciated by those skilled in the art that the present invention may be practiced without departing from the spirit and scope of the present invention and that the present invention is not limited by the specific embodiments disclosed below.

Furthermore, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one implementation of the invention. The appearances of the phrase "in one preferred embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Furthermore, the present invention is described in detail with reference to the drawings, and for convenience of illustration, the cross-sectional views illustrating the device structures of the embodiments of the present invention are not enlarged partially according to the general scale, and the drawings are only examples, which should not limit the scope of the present invention. In addition, the three-dimensional dimensions of length, width and depth should be included in the actual fabrication.

Referring to fig. 1 to 5, a first embodiment of the present invention provides a waterproof back-insert structure, which includes a connector housing 10, a connector module (not shown) mounted inside the connector housing 10, the interface module at least including a processing element, a metal housing, an insulating plate and a contact, the processing element is fixed inside the connector housing 10, the metal housing is fixed at one end of the connector housing 10, the insulating plate is fixed inside the metal housing, the contact is fixed on the insulating plate and connected with the processing element, one end of the connector housing 10 is provided with a plurality of steering assemblies, the connector housing 10 and a steering assembly closest thereto and two adjacent steering assemblies are provided with a connecting element 11 therebetween, the steering assemblies include a first housing 20 and a second housing 30, the first housing 20 and the second housing 30 are hemispherical in shape, the first housing 20 and the second housing 30 are attached to each other to form a complete spherical joint, the connector housing 10 and the connecting element 11, the first housing 20 and the connecting element 11 and the second housing 30 are fixedly connected to each other, the connecting element 11 are fixedly connected to each other, the connector housing 20 is rotated at one end of the first housing 20, the second housing 30 is provided with a transmission element, a plurality of transmission elements are mounted inside the sliding plate 21, the sliding plate 21 is mounted inside the second housing 20, the sliding plate 20 is provided with a plurality of transmission elements 31, the second transmission elements 32 correspond to the first transmission elements 22 one by one, and one end of the first transmission element 22 is attached to the second transmission element 32;

in the initial state, the axial lines of the plurality of connecting members 11 are positioned on the same straight line.

It should be noted that the included angle between the joint end and the axial direction of the connecting member 11 ranges from 0 to 90 degrees, and in this embodiment, the included angle between the joint end and the axial direction of the connecting member 11 is preferably 45 degrees.

The outer side of the first transmission element 22 and the inner wall of the second transmission element 32 are both provided with a plating layer, and the provision of the plating layer can enhance the stability of signal transmission, slow down oxidation, reduce resistance, and improve conductivity.

Note that a pin is fixed to an end of the first slide plate 21 close to the second slide plate 31, the second slide plate 31 is rotatably connected to the pin, and the first housing 20 and the second housing 30 are rotatably connected to each other by the pin.

Here, the interface module is a mature technology in the prior art, and can transmit data, signals and electric energy, and the interface module may be any one of an HDMI interface, a VGA interface, a DP interface, a DVI interface or other connectors for transmitting data or/and signals or/and electric energy, and in this embodiment, the interface module is not particularly limited.

Specifically, a plurality of steering components are sequentially denoted as R1, R2, \ 8230 \ 8230:, rn, the first transmission element 22 and the processing element in R1, the second transmission element 32 in R1 and the first transmission element 22 in R2, the second transmission element 32 in R2 and the first transmission element 22, \ 8230 \ and R3, the \8230 \ and the second transmission element 32 in Rn-1 and the first transmission element 22 in Rn are electrically connected through transmission wires from the direction close to the connector housing 10 to the direction away from the connector 11.

Further, in the present embodiment, the tilt angles and tilt directions of the two steering assemblies are the same, but the present embodiment is only one of many forms, and the tilt angles and tilt directions of the plurality of steering assemblies can be adjusted individually according to actual requirements.

In this embodiment, when the back space of the LED display screen is narrow, the second housing 30 is rotated and located in R1, so that the second housing 30 rotates relative to the first housing 20, because the binding surface at one end of the second housing 30 is disposed to be inclined with respect to the axial direction of the connecting element 11, the axes of the connecting elements 11 are no longer located on the same straight line, meanwhile, because the second housing 30 and the second sliding plate 31 are fixedly connected, the second housing 30 drives the second sliding plate 31 to rotate, through the fixed connection between the second sliding plate 31 and the second transmission element 32, the second sliding plate 31 drives the second transmission element 32 to rotate, during the rotation of the second transmission element 32, the first transmission element 22 and the second transmission element 32 are always bound, and further, when the second housing 30 rotates, the second transmission element 32 and the first transmission element 22 are always in an electrically connected state, so that the transmission wire is not bent, thereby avoiding the transmission wire from increasing resistance, damaging the insulating layer, and the problem that the transmission wire is not easily bent in a narrow space is solved.

Furthermore, a plurality of adjusting cavities are arranged at one end, away from the second sliding plate 31, of the first sliding plate 21, the first sliding plate 21 is connected inside the adjusting cavities in a sliding mode, an elastic element 24 is assembled between the first sliding plate 21 and the adjusting cavities, a threading hole is formed in one end, away from the first transmission element 22, of the adjusting cavities, a shielding element is wrapped on the outer surface of the adjusting cavities, and under initial loading, the elastic element 24 is in a compression state.

In this embodiment, since the elastic element 24 is in a compressed state, the elastic element 24 always releases elastic potential energy, the elastic release released by the elastic element 24 acts on the first transmission element 22, and the elastic element 24 applies a driving force to the first transmission element 22, so that the first transmission element 22 always fits with the second transmission element 32, which is beneficial to improving the stability of signal or/and data or/and power transmission.

Further, as shown in fig. 6 to 8, a damping pad 23 is fixed on an outer side of the annular water blocking plate 25, one end of the damping pad 23 is tightly attached to the second housing 30, a friction force between the damping pad 23 and the second housing 30 is denoted as F1, a sum of gravity forces between the plurality of steering assemblies and the plurality of connecting members 11 is denoted as F2, and F1 is greater than F2.

In this embodiment, when the second housing 30 rotates relative to the first housing 20, because the damping pad 23 is tightly attached to the second housing 30 and the first housing 20 is fixedly connected to the damping pad 23, a large friction force is generated between the second housing 30 and the damping pad 23 during the rotation, the damping pad 23 is disposed, so that the second housing 30 has a self-locking characteristic after the rotation is completed, and because F1 is greater than F2, after the external force for rotating the second housing 30 is withdrawn, the rotation of the plurality of rotating assemblies and the plurality of connecting members 11 cannot occur under the action of gravity.

Further, as shown in fig. 8 to 11, a plurality of annular partition plates 33 are uniformly disposed on the surface of the second sliding plate 31, an avoiding groove adapted to the annular partition plates 33 is formed in the first sliding plate 21, a plurality of independent partition cavities 34 are partitioned in the second sliding plate 31 by the annular partition plates 33, the plurality of second transmission elements 32 are respectively fixed in the plurality of partition cavities 34, an inner insertion groove is formed in the annular partition plates 33, and an annular shielding member 35 is fixed in the inner insertion groove.

In this embodiment, the annular shielding member 35 is configured to separate two adjacent first transmission elements 22 and second transmission elements 32, so as to avoid mutual interference between the two adjacent first transmission elements 22 and second transmission elements 32 during signal or/and data transmission, which is beneficial to further improve stability of signal or/and data transmission.

Further, one end of the first casing 20 close to the second casing 30 is provided with an annular water blocking plate 25, the second casing 30 is provided with an annular water blocking groove 36, a sealing element 37 is fixed inside the annular water blocking groove 36, the annular water blocking groove 36 is matched with the annular water blocking plate 25, when the annular water blocking plate 25 is inserted into the annular water blocking groove 36, the annular water blocking plate 25 is attached to the sealing element 37, the sealing element 37 is made of rubber or other materials with good sealing performance, and in this embodiment, the sealing element 37 is preferably made of rubber.

In this embodiment, the annular water-blocking plate 25 and the sealing element 37 are attached to each other, which is beneficial to improving the sealing performance inside the steering assembly, improving the waterproof performance of the device, and preventing the first transmission element 22 and the second transmission element 32 from being oxidized and corroded due to the fact that liquid or gas with high humidity enters the steering piece.

The LED display screen comprises a display screen assembly, wherein a pairing interface is arranged on the display screen assembly, and the pairing interface is matched with an interface module inside a joint shell 10.

The working principle of the invention is as follows:

referring to fig. 12, when the space at the back of the LED display screen is tight and narrow, the second housing 30 is rotated in R1, so that the second housing 30 rotates relative to the first housing 20, because the joint surface at one end of the second housing 30 is disposed in an inclined manner along the axial direction of the connecting member 11, the axes of the connecting members 11 are no longer located on the same straight line, meanwhile, because the second housing 30 is fixedly connected to the second sliding plate 31, the second housing 30 drives the second sliding plate 31 to rotate, through the fixed connection between the second sliding plate 31 and the second transmission element 32, the second sliding plate 31 drives the second transmission element 32 to rotate, during the rotation of the second transmission element 32, the first transmission element 22 and the second transmission element 32 are always jointed, and thus when the second housing 30 rotates, the second transmission element 32 and the first transmission element 22 are always in an electrically connected state, the transmission wire is not bent, the problems of increased resistance, damage to the insulating layer, and the like caused by the bending of the transmission wire are solved, and at the problems of the sealing performance of the transmission wire, the sealing device 37, and the sealing device for preventing water and moisture from entering the transmission element 22 and the sealing device from corrosion and the water entering the sealing device.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of the present invention, and these improvements and modifications should also be construed as the protection scope of the present invention. Structures, devices, and methods of operation not specifically described or illustrated herein are not specifically illustrated or described, but are instead contemplated to be practiced in the art by those skilled in the art.

Claims

1. A waterproof back-insert structure, comprising a joint housing (10), wherein an interface module is assembled inside the joint housing (10), characterized in that: one end of the joint shell (10) is provided with a plurality of steering components, connecting pieces (11) are arranged between the joint shell (10) and the steering component closest to the joint shell and between two adjacent steering components, the steering assembly comprises a first housing (20) and a second housing (30), the joint shell (10) and the connecting piece (11), the first shell (20) and the connecting piece (11) and the second shell (30) and the connecting piece (11) are fixedly connected, the second housing (30) is rotated at one end of the first housing (20), one end of the second shell (30) close to the first shell (20) is provided with a joint end, the joint end and the connecting piece (11) are axially arranged in an inclined way, a first sliding plate (21) is fixed in the first shell (20), the first slide (21) is internally equipped with a plurality of first transmission elements (22), the first transmission element (22) and the interface module are electrically connected through a transmission wire, a second sliding plate (31) is fixed inside the second shell (30), a plurality of second transmission elements (32) are fixed inside the second sliding plate (31), the second transmission elements (32) and the first transmission elements (22) are in one-to-one correspondence, one end of the first transmission element (22) is attached to the second transmission element (32);

wherein, in the initial state, the shaft axes of the connecting pieces (11) are positioned on the same straight line.

2. The waterproof back-insert structure according to claim 1, wherein: one end of the first sliding plate (21) far away from the second sliding plate (31) is provided with a plurality of adjusting cavities, the first sliding plate (21) is connected inside the adjusting cavities in a sliding mode, and an elastic element (24) is assembled between the first sliding plate (21) and the adjusting cavities.

3. The waterproof type back-insert structure of claim 1, wherein: the surface of second slide (31) is provided with a plurality of annular division boards (33), just the recess of dodging with annular division board (33) looks adaptation is seted up in the inside of first slide (21), the inside of second slide (31) is separated through annular division board (33) has a plurality of compartment (34), and is a plurality of second transmission element (32) are fixed in the inside of a plurality of compartment (34) respectively, the inside of annular division board (33) has seted up interior caulking groove, the inside of interior caulking groove is fixed with annular shield (35).

4. The waterproof back-insert structure according to claim 1, wherein: one end that first casing (20) is close to second casing (30) is provided with annular water-blocking plate (25), be provided with annular water-blocking groove (36) on second casing (30), the inside of annular water-blocking groove (36) is fixed with sealing element (37), just annular water-blocking groove (36) and annular water-blocking plate (25) looks adaptation, annular water-blocking plate (25) are pegged graft when annular water-blocking groove (36) is inside, annular water-blocking plate (25) and sealing element (37) laminate.

5. The waterproof type back-insert structure of claim 4, wherein: and a damping pad (23) is fixed on the outer side of the annular water-blocking plate (25), and one end of the damping pad (23) is tightly attached to the second shell (30).

6. The waterproof type back-insert structure of claim 5, wherein: the friction force between any one of the damping pads (23) and the corresponding second housing (30) is greater than the sum of the gravity forces between the plurality of steering assemblies and the plurality of links (11).

7. The waterproof back-insert structure according to claim 1, wherein: the axial included angle range between the joint end and the connecting piece (11) is 0-90 degrees.

8. The waterproof type back-insert structure of claim 1, wherein: and the outer side of the first transmission element (22) and the inner wall of the second transmission element (32) are both provided with a coating.

9. An LED display screen, which is suitable for the waterproof back-insert structure of any one of claims 1 to 8, and is characterized in that: the connector comprises a display screen assembly, wherein a second interface is arranged on the display screen assembly, and the second interface is matched with a connector shell (10).