Rotary crown integrated sensor module structure

By setting a damping cavity and piston assembly inside the crown, the damping feel can be dynamically adjusted, solving the problem that the traditional rotary crown module structure cannot adapt to diverse user operating habits, and improving the accuracy and adaptability of human-computer interaction.

CN224034708UActive Publication Date: 2026-03-24SHENZHEN KINGWEAR TECH DEV
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-05-21
Publication Date
2026-03-24

AI Technical Summary

Technical Problem

The damping of traditional rotary crown integrated sensor module structures is provided by a fixed structure, which cannot meet the diverse operating habits of users and the needs of complex scenarios.

Method used

By setting a damping cavity and piston assembly inside the crown, the compression degree of the damping medium is adjusted by using the piston assembly and screw drive, and the air pressure is balanced by the vent hole, so as to achieve dynamic adjustment of the damping feel.

Benefits of technology

It significantly improves the accuracy and scene adaptability of human-computer interaction, and eliminates the lag or adjustment difficulties caused by air pressure issues.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of a watch crown, in particular to a rotary watch crown integrated sensor module structure which comprises a shell, a watch crown assembly is installed on one side of the shell and comprises a watch crown rod part and a watch crown end part, a rotary detection module is installed in the shell, a damping cavity is formed in the shell, and the damping cavity is communicated with the watch crown rod part and the watch crown end part. The surface of the crown rod part is coaxially and fixedly connected with a positioning shaft sleeve, the positioning shaft sleeve is embedded into the damping cavity and is in rotary fit with the shell, the damping cavity is filled with a damping medium, a piston assembly used for extruding the damping medium is installed in the shell, and vent holes are formed in the surface of the piston assembly. The objective of the utility model is to solve the problem that the damping sense of a conventional rotary crown integrated sensor module structure is usually provided by a fixed structure, so that diversified user operation habits and complex scene requirements are difficult to meet.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the crown technical field, concretely is the integrated sensor module structure of rotary crown. BACKGROUND

[0002] The integrated sensor module structure of rotary crown realizes the depth fusion and innovation breakthrough of traditional mechanical crown and modern electronic sensor, and the rotation operation of traditional mechanical crown has unique mechanical texture and accurate adjustment experience, and the electronic sensor has high sensitivity and high precision signal acquisition capability, and the organic combination of the two generates this advanced structure with operation feeling and intelligent interaction, realizes high-precision motion detection and interaction feedback through the integration of various sensors in the crown, and constructs an efficient motion detection and interaction feedback system, when the user rotates the crown, the sensor module can convert the angle, speed and other data of rotation into electronic signals in real time, and transmit to the main control chip of the watch, thereby realizing accurate control of interface scrolling, function switching, parameter adjustment and other operations, and the intelligent watch is endowed with more rich functions and better interaction feeling, and becomes important technical support for realizing accurate operation and intelligent interaction of modern intelligent watch.

[0003] The damping feeling of the traditional integrated sensor module structure of rotary crown is usually provided by fixed structures such as springs or mechanical limiters, and the damping parameters are fixed in the design stage, cannot be dynamically changed according to the scenes such as user's operation with gloves and fine adjustment with bare hands, cannot adapt to the individual preferences of users for damping feeling, and are difficult to meet the diversified user operation habits and complex scene requirements. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing the integrated sensor module structure of rotary crown to solve the problem that the damping feeling of the traditional integrated sensor module structure of rotary crown is usually provided by fixed structures, and it is difficult to meet the diversified user operation habits and complex scene requirements.

[0005] In order to realize the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The integrated sensor module structure of rotary crown includes a shell, a crown assembly is installed on one side of the shell, the crown assembly includes a crown rod part and a crown end part, a rotation detection module is installed in the inside of the shell, a damping cavity is opened in the inside of the shell, a positioning shaft sleeve is coaxially fixedly connected to the surface of the crown rod part, the positioning shaft sleeve is embedded in the damping cavity and rotates with the shell, damping medium is filled in the damping cavity, a piston assembly for extruding the damping medium is installed in the shell, and a vent hole is opened in the surface of the piston assembly.

[0007] Preferably, the surface of the positioning shaft sleeve is fixedly connected with a positioning ring coaxially, and the positioning ring is rotationally connected with the shell.

[0008] Preferably, the piston assembly comprises a piston and a push rod, the diameter of the push rod is smaller than that of the piston, the piston is fixedly connected with the end of the push rod, and the surface of the shell is provided with a sliding channel in communication with the damping cavity, and the inner diameter of the sliding channel matches the piston.

[0009] Preferably, the piston assembly further comprises an adjusting screw sleeve, the adjusting screw sleeve is fixedly connected with the end of the push rod, the inner wall of the sliding channel is provided with an adjusting screw thread, and the adjusting screw thread is in screw pair cooperation with the external screw thread on the outer surface of the adjusting screw sleeve.

[0010] Preferably, the surface of the piston assembly is detachably connected with a sealing piece, and the sealing piece is used for closing the air hole.

[0011] Preferably, the surface of the crown rod is rotationally connected with the shell, and the end of the crown is fixedly connected with the end of the crown rod.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The structure realizes the adjustment of the compression degree of the damping medium by changing the volume of the piston extending into the cavity through the piston assembly and the screw transmission, can dynamically match the damping characteristics according to the operation scene, and significantly improves the precision and scene adaptability of human-computer interaction.

[0014] 2. The structure balances the air pressure when adjusting by opening the air hole, and eliminates the jamming or adjustment difficulty caused by the air pressure problem. DETAILED DESCRIPTION

[0015] Figure 1 It is a structure schematic view of the whole utility model;

[0016] Figure 2 It is a structure schematic view of the connection between the crown assembly and the shell of the utility model;

[0017] Figure 3 It is a structure schematic view of the whole utility model Figure 2 It is an enlarged view of A in the utility model;

[0018] Figure 4 It is a structure schematic view of the shell of the utility model;

[0019] Figure 5 It is an enlarged view of B in the utility model; Figure 4

[0020] Figure 6 It is a structure schematic view of the piston assembly of the utility model. ​

[0021] In the figure: 1, the shell; 2, sliding channel; 3, rotation detection module; 4, crown rod part; 5, positioning shaft sleeve; 6, positioning ring; 7, damping cavity; 8, piston; 9, push rod; 10, adjusting screw sleeve; 11, adjusting screw; 12, knob; 13, sealing element; 14, air hole; 15, crown end. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1 to 6 The utility model provides a technical scheme.

[0024] The rotation type crown integrated sensor module structure comprises a shell 1, a crown assembly is installed on one side of the shell 1, the crown assembly comprises a crown rod part 4 and a crown end 15, a rotation detection module 3 is installed in the shell 1, the rotation detection module 3 is used for collecting the angle, speed and other data of the rotation of the crown rod part 4 and converting into electronic signals, and is transmitted to the main control chip in the shell 1, a damping cavity 7 is formed in the shell 1, a positioning shaft sleeve 5 is coaxially fixedly connected to the surface of the crown rod part 4, the positioning shaft sleeve 5 is embedded in the damping cavity 7 and forms rotary cooperation with the shell 1, damping medium such as damping grease and silica gel elastomer is filled in the damping cavity 7, a piston assembly for extruding the damping medium is installed in the shell 1, the damping medium is compressed by adjusting the volume of the piston assembly in the damping cavity 7, so that the damping feeling when the positioning shaft sleeve 5 rotates is increased, an air hole 14 is formed in the surface of the piston assembly, the air hole 14 is used for air circulation when the piston assembly moves, the surface of the piston assembly is detachably connected with a sealing element 13, the sealing element 13 is used for closing the air hole 14, when the position of the piston assembly is adjusted, the sealing element 13 is removed first, the air pressure in and outside the damping cavity 7 is balanced through the air hole 14, the piston assembly is facilitated to move, and after adjustment, the sealing element 13 is installed to close the air hole 14.

[0025] The surface of the positioning shaft sleeve 5 is coaxially fixedly connected with a positioning ring 6, and the positioning ring 6 is rotatably connected with the shell 1. By arranging the positioning ring 6, the position of the crown rod part 4 is facilitated to be positioned and fixed.

[0026] The piston assembly comprises a piston 8 and a push rod 9, the diameter of the push rod 9 is smaller than that of the piston 8, the piston 8 is fixedly connected to the end of the push rod 9, the surface of the shell 1 is provided with a sliding channel 2 in communication with the damping cavity 7, the inner diameter of the sliding channel 2 matches the piston 8, and the piston 8 slides along the inner wall of the sliding channel 2, when the outer end of the push rod 9 is pushed or pulled, the piston 8 moves axially in the sliding channel 2 along with the push rod 9, because the piston 8 is in interference fit with the sliding channel 2, the movement of the piston 8 will extrude the damping medium in the damping cavity 7, the compression degree of the damping medium is adjusted by changing the effective volume of the cavity, so that the damping feeling when the crown stem 4 rotates is adjusted.

[0027] The piston assembly further comprises an adjusting sleeve 10, the adjusting sleeve 10 is fixedly connected to the end of the push rod 9, the inner wall of the sliding channel 2 is provided with an adjusting thread 11, the adjusting thread 11 is in screw pair cooperation with the external thread on the outer surface of the adjusting sleeve 10, when the adjusting sleeve 10 is rotated, the adjusting sleeve 10 moves axially along the axis of the sliding channel 2 by using the screw transmission principle, the displacement of the adjusting sleeve 10 synchronously drives the push rod 9 and the piston 8 to move, and then the extension depth of the piston 8 in the damping cavity 7 is changed, so that the extrusion degree of the damping medium is adjusted.

[0028] The piston assembly further comprises a knob 12, the knob 12 is coaxially fixedly connected to the adjusting sleeve 10, and a sealing element 13 is threadedly connected to the knob 12, so that the knob 12 and the adjusting sleeve 10 are detachably connected.

[0029] The crown stem 4 is rotationally connected to the shell 1, and a crown end 15 is fixedly connected to the end of the crown stem 4.

[0030] The specific scheme is that, in the damping feeling adjustment link, the sealing element 13 is removed first to balance the air pressure inside and outside the cavity through the air hole 14, the piston 8 is moved, the adjusting sleeve 10 is rotatable, the precise axial displacement of the piston 8 is realized by using the screw transmission, the effective volume of the damping cavity 7 is changed to adjust the rotation damping feeling of the crown assembly, after adjustment, the sealing element 13 is reinstalled to ensure the stability of the damping feeling, when the function is used, the rotation detection module 3 reflects by laser when the crown assembly is rotated, such as an integrated 850nm VCSEL emitter and an infrared receiving array, rotation angle and speed data are acquired and converted into electronic signals, the electronic signals are transmitted to a main control chip and a host device, such as an STM32U5 series, sensor data is processed, and communication is performed with the host device through I2C, SPI and the like, the capacitive sensing element triggers a signal when the crown is pressed, and the composite function such as adjusting the volume and then pressing the confirmation is realized in combination with the rotation data.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rotating crown integrated sensor module structure, comprising a housing (1), wherein a crown assembly is mounted on one side of the housing (1), characterized in that: The crown assembly includes a crown stem (4) and a crown end (15). A rotation detection module (3) is installed inside the housing (1). A damping cavity (7) is opened inside the housing (1). A positioning bushing (5) is coaxially fixedly connected to the surface of the crown stem (4). The positioning bushing (5) is embedded in the damping cavity (7) and forms a rotational fit with the housing (1). The damping cavity (7) is filled with a damping medium. A piston assembly for squeezing the damping medium is installed inside the housing (1). A vent hole (14) is opened on the surface of the piston assembly.

2. The rotary crown integrated sensor module structure according to claim 1, characterized in that, The positioning bushing (5) is coaxially fixedly connected to a positioning ring (6), and the positioning ring (6) is rotatably connected to the housing (1).

3. The rotary crown integrated sensor module structure according to claim 1, characterized in that, The piston assembly includes a piston (8) and a push rod (9). The diameter of the push rod (9) is smaller than the diameter of the piston (8). The piston (8) is fixedly connected to the end of the push rod (9). The surface of the housing (1) is provided with a sliding channel (2) that communicates with the damping cavity (7). The inner diameter of the sliding channel (2) matches that of the piston (8).

4. The rotary crown integrated sensor module structure according to claim 3, characterized in that, The piston assembly also includes an adjusting sleeve (10), which is fixedly connected to the end of the push rod (9). The inner wall of the sliding channel (2) is provided with an adjusting thread (11), which is engaged with the external thread on the outer surface of the adjusting sleeve (10).

5. The rotary crown integrated sensor module structure according to claim 1, characterized in that, The piston assembly is detachably connected to a seal (13) for closing the vent (14).

6. The rotary crown integrated sensor module structure according to claim 1, characterized in that, The crown stem (4) is rotatably connected to the housing (1), and the crown end (15) is fixedly connected to the end of the crown stem (4).