CN219960555U

CN219960555U - Waterproof type display rotation signal control module

Info

Publication number: CN219960555U
Application number: CN202321394965.4U
Authority: CN
Inventors: 陈庆喜; 李联聪; 彭立溪
Original assignee: Dongguan Linjiwei Technology Co ltd
Current assignee: Dongguan Linjiwei Technology Co ltd
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2023-11-03
Anticipated expiration: 2033-06-02

Abstract

The utility model discloses a waterproof display rotary signal control module, which comprises a display screen assembly, a rotary assembly and a fixed seat, wherein the display screen assembly is fixedly arranged at the fixed seat, the rotary assembly is rotatably arranged at the fixed seat, the display screen assembly comprises a face cover shell, a screen piece, a PCB (printed Circuit Board), waterproof glue and a bracket piece, the screen piece and the PCB are both arranged in an inner cavity of the face cover shell, the waterproof glue is poured and covered on the PCB, and then the PCB is sealed in the inner cavity of the face cover shell; the rotating assembly comprises a rotator and an elastic sheet, the rotator is rotatably arranged at the fixed seat, the elastic sheet is arranged between the rotator and the fixed seat, a magnet is arranged at the rotator, and the rotator rotates to drive the magnet to respectively generate signals with the magnetic field induction of the two Hall chips at the PCB. The waterproof device has the advantages of compact and simple integral structure, simplicity in assembly, capability of generating rotary gear hand feeling during use and high-grade IP67 waterproof function.

Description

Waterproof type display rotation signal control module

Technical Field

The utility model relates to the technical field of rotary switches, in particular to a waterproof display rotary signal control module.

Background

The signal control module is commonly used in various electronic products, can generate signals by rotating to different positions and sensing magnetic fields of the Hall chip, and can enable people to intuitively observe the state of signal change so as to be widely used. The existing signal control module is complex in structure and high in production cost, and most of the existing signal control module does not have an IP67 waterproof function and cannot meet waterproof application requirements. Therefore, the inventor develops a waterproof display rotation signal control module.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provides a waterproof display rotation signal control module.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the waterproof display rotary signal control module comprises a display screen assembly, a rotary assembly and a fixed seat, wherein the display screen assembly is fixedly arranged at the fixed seat, the rotary assembly is rotatably arranged at the fixed seat, the display screen assembly comprises a surface cover shell, a screen piece, a PCB (printed Circuit Board) board, waterproof glue and a bracket piece, the screen piece and the PCB board are all arranged in an inner cavity of the surface cover shell, the waterproof glue is poured and covered on the PCB board, and then the PCB board is sealed in the inner cavity of the surface cover shell;

the rotating assembly comprises a rotating body piece and an elastic piece, the rotating body piece is arranged at the fixing seat in a rotating mode, the elastic piece is arranged between the rotating body piece and the fixing seat, a magnet piece is arranged at the rotating body piece, and the rotating body piece is rotated to drive the magnet piece to respectively induce signals with two Hall chip magnetic fields at the PCB.

Further stated, the display screen assembly comprises a diaphragm and an inner bracket, the screen is fixedly mounted at a concave cavity of the inner bracket, and the diaphragm is clamped between the inner bracket and the bottom surface of the inner cavity of the face cover shell.

Further stated, the fixing seat is provided with a first installation limit groove and a second installation limit groove which are respectively used for being connected with the fixing panel, and the first installation limit groove and the second installation limit groove are symmetrically arranged.

Further stated, the annular edge of the face cover shell is provided with a buckling lug, and the bracket piece is provided with buckling teeth matched with the buckling lug of the face cover shell.

Further, the elastic sheet is provided with an upper convex part and a lower convex part which are positioned at different height positions, the upper convex parts are symmetrically arranged, the lower convex parts are symmetrically arranged, and the fixing seat is provided with a convex part matched with the elastic sheet.

The utility model has the beneficial effects that: the utility model has compact and simple integral structure, simple assembly, can generate rotary gear hand feeling when in use, has high-grade IP67 waterproof function, and can realize optimization of product cost and minimization of size.

Drawings

Fig. 1 is a cross-sectional view of the structure of the present utility model.

Fig. 2 is a schematic structural diagram of the present utility model.

FIG. 3 is an exploded view of the display assembly.

Fig. 4 is an exploded view of the rotary assembly.

Fig. 5 is a bottom view of the present utility model.

Fig. 6 is a cross-sectional view of the structure of the present utility model when fixed at a fixed panel.

Reference numerals:

10. a display screen assembly; 11. a face cover housing; 111. buckling lugs; 12. a screen member; 13. a PCB board; 131. a wire harness; 14. waterproof glue; 15. a bracket member; 151. buckling teeth; 16. a membrane; 17. an inner bracket; 171. a cavity;

20. a rotating assembly; 21. a swivel member; 22. a spring plate; 221. an upper convex part; 222. a lower protruding part; 23. a magnet member;

30. a fixing seat; 31. the first installation limit groove; 32. the second installation limit groove; 33. a boss;

40. fixing the panel; 41. and fixing the buckle.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings, for the purpose of making the objects, technical solutions and advantages of the present utility model more apparent.

Referring to fig. 1 and 2, a waterproof display rotation signal control module includes a display screen assembly 10, a rotation assembly 20, a fixing base 30, wherein the display screen assembly 10 is fixedly installed at the fixing base 30, and the rotation assembly 20 is rotatably installed at the fixing base 30.

Referring to fig. 1 to 4, the display screen assembly 10 includes a cover shell 11, a screen member 12, a PCB board 13, a waterproof glue 14, a support member 15, a membrane 16, and an inner support 17, wherein the screen member 12 and the PCB board 13 are disposed in an inner cavity of the cover shell 11, a fastening lug 111 is disposed at an annular edge of the cover shell 11, fastening teeth 151 matched with the fastening lug 111 of the cover shell 11 are disposed at the support member 15, the screen member 12 is fixedly mounted at a cavity 171 of the inner support 17, the membrane 16 is sandwiched between the inner support 17 and an inner cavity bottom of the cover shell 11, the waterproof glue 14 is poured and covered on the PCB board 13, and the PCB board 13 is sealed in the inner cavity of the cover shell 11. Under the action of the waterproof glue 14, the membrane 16, the screen piece 12, the bracket 17 and the PCB 13 are packaged in the inner cavity of the face cover shell 11, and only the wire harness 131 of the PCB 13 is exposed out of the waterproof glue 14, so that the high-grade IP67 waterproof performance is effectively realized.

Referring to fig. 1 to 4, the rotary assembly 20 includes a rotor 21 and a spring 22, the rotor 21 is rotatably disposed at a fixing seat 30, the spring 22 is disposed between the rotor 21 and the fixing seat 30, a magnet 23 is disposed at the rotor 21, the magnet 23 is specifically a magnet, and is disposed at the bottom of the inner side of the rotor 21, and the rotor 21 rotates to drive the magnet 23 to generate signals with magnetic field induction of two hall chips at the PCB 13, so as to realize encoding. The fixing base 30 is fastened with the bracket 15 and limits the rotator 21 between the two, and the rotator 21 can freely rotate at the fixing base 30. The whole structure is compact and simple, the assembly is simple, and the optimization of the product cost and the minimization of the size can be realized.

Referring to fig. 1 and fig. 4, the spring 22 is provided with an upper protrusion 221 and a lower protrusion 222 at different height positions, the two upper protrusions 221 are symmetrically arranged, the two lower protrusions 222 are symmetrically arranged, and the fixing base 30 is provided with a protrusion 33 matched with the spring 22. When the rotator 21 rotates to drive the magnet 23 to respectively generate signals with the magnetic fields of the two Hall chips at the PCB 13, the elastic piece 22 and the convex part 33 of the fixed seat 30 generate a rotary gear hand feeling.

Referring to fig. 2, fig. 4 and fig. 5, a first installation limiting groove 31 and a second installation limiting groove 32 which are respectively connected with a fixed panel 40 are formed at the fixing seat 30, the first installation limiting groove 31 and the second installation limiting groove 32 are symmetrically arranged, and a fixed buckle 41 which is respectively matched with the first installation limiting groove 31 and the second installation limiting groove 32 is specifically formed at the panel as shown in fig. 5. In use, the utility model is fixed on the fixed panel 40 and connected with the host connector by the wire harness 131 to realize signal interaction.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

The above description should not be taken as limiting the scope of the utility model, and any modifications, equivalent variations and modifications made to the above embodiments according to the technical spirit of the utility model still fall within the scope of the technical solutions of the utility model.

Claims

1. A waterproof type display rotation signal control module is characterized in that: the display screen assembly (10) is fixedly installed at the fixing seat (30), the rotating assembly (20) is rotatably arranged at the fixing seat (30), the display screen assembly (10) comprises a surface cover shell (11), a screen piece (12), a PCB (printed circuit board) 13, waterproof glue (14) and a support piece (15), the screen piece (12) and the PCB (13) are all arranged in an inner cavity of the surface cover shell (11), and the waterproof glue (14) is poured and covered on the PCB (13) so as to seal the PCB (13) in the inner cavity of the surface cover shell (11);

the rotating assembly (20) comprises a rotating body (21) and an elastic sheet (22), the rotating body (21) is rotatably arranged at the position of the fixed seat (30), the elastic sheet (22) is arranged between the rotating body (21) and the fixed seat (30), a magnet piece (23) is arranged at the position of the rotating body (21), and the rotating body (21) rotates to drive the magnet piece (23) to respectively generate signals with the magnetic field induction of two Hall chips at the position of the PCB (13).

2. The waterproof type display rotation signal control module according to claim 1, wherein: the display screen assembly (10) comprises a diaphragm (16) and an inner support (17), the screen piece (12) is fixedly arranged at a concave cavity (171) of the inner support (17), and the diaphragm (16) is clamped between the inner support (17) and the bottom surface of an inner cavity of the face cover shell (11).

3. The waterproof type display rotation signal control module according to claim 1, wherein: the fixing seat (30) is provided with a first installation limit groove (31) and a second installation limit groove (32) which are respectively connected with the fixing panel (40), and the first installation limit groove (31) and the second installation limit groove (32) are symmetrically arranged.

4. The waterproof type display rotation signal control module according to claim 1, wherein: the annular edge of the surface cover shell (11) is provided with a buckling lug (111), and the support piece (15) is provided with buckling teeth (151) matched with the buckling lug (111) of the surface cover shell (11).

5. The waterproof type display rotation signal control module according to claim 1, wherein: the spring plate (22) is provided with an upper convex part (221) and a lower convex part (222) which are positioned at different height positions, the upper convex parts (221) and the lower convex parts (222) are symmetrically arranged, and the fixing seat (30) is provided with a convex part (33) matched with the spring plate (22).