CN212907521U

CN212907521U - Rotary key structure and electronic equipment

Info

Publication number: CN212907521U
Application number: CN202021765696.4U
Authority: CN
Inventors: 栾庆蕾
Original assignee: Goertek Techology Co Ltd
Current assignee: Qingdao Suiyun Electronic Technology Co ltd
Priority date: 2020-08-21
Filing date: 2020-08-21
Publication date: 2021-04-06
Anticipated expiration: 2030-08-21

Abstract

The utility model discloses a rotatory button structure and electronic equipment, rotatory button structure includes: the rotary key is provided with a rotary cap and a key column which are integrally arranged; the barrel is sleeved on the outer side of the key column; a circumferential limiting structure for realizing synchronous rotation is arranged between the bracket and the key column; a circuit board provided with a plurality of electrical contacts arranged at intervals in a circumferential direction; the lower end face of the support is provided with a metal elastic sheet, and the metal elastic sheet is provided with an elastic sheet contact protruding downwards. The multifunctional operation of the rotary key structure can be realized, the number of keys is reduced, the manufacturing cost is reduced, and the miniaturization of electronic equipment is facilitated; the synchronous rotation of the bracket and the rotary key is realized, the correspondence between the elastic sheet contact and the electric contacts with different functions on the circuit board can be realized, and the connection of the circuit is realized through the metal elastic sheet; the rotary key is pressed downwards to realize the contact between the elastic sheet contact and the electric contact, so that the circuit is switched on and the corresponding function is realized.

Description

Rotary key structure and electronic equipment

Technical Field

The utility model belongs to the technical field of wearing equipment, concretely relates to rotatory button structure and electronic equipment.

Background

With the rapid development and progress of the electronic industry, various electronic products have been widely used in daily life, and provide users with more diversified functional choices. The functional selection of these electronic products usually requires a peripheral input device of the electronic product, so that a user can input and operate commands through the peripheral input device.

Electronic equipment among the prior art, especially, the intelligence field of wearing, the product is more and more little, the function is more and more powerful, often there are a plurality of buttons to arrange in the outside of product, like emerging outdoor exercises equipment motion wrist-watch recently, for realizing the multi-functional of wrist-watch, be provided with a plurality of buttons, and the overall arrangement of button on the shell, 2-5 buttons usually have, the button is arranged peripherally, the structure is complicated and the button is numerous, operate inconvenient when using, and because the button increases and lead to the product structure grow, the space that occupies is big, the cost is improved, be unfavorable for the light of electronic product, it is thin, short, little development direction.

The above information disclosed in this background section is only for enhancement of understanding of the background of the application and therefore it may comprise prior art that does not constitute known to a person of ordinary skill in the art.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to foretell problem among the prior art, provide a rotatory button structure for realize the multi-functional operation of rotatory button structure, be favorable to reducing the quantity of button, be favorable to reducing manufacturing cost, be favorable to electronic equipment's miniaturization.

In order to realize the purpose of the utility model, the utility model adopts the following technical scheme to realize:

a rotary key structure, comprising:

the rotary key is provided with a rotary cap and a key column which are integrally arranged;

the barrel is sleeved on the outer side of the key column;

a circumferential limiting structure for realizing synchronous rotation is arranged between the bracket and the key column;

the circuit board is positioned below the bracket and is provided with a plurality of electric contacts which are arranged at intervals in the circumferential direction;

the lower end face of the support is provided with a metal elastic sheet, and the metal elastic sheet is provided with an elastic sheet contact which protrudes downwards and can be in matched connection with the electric contact.

Furthermore, the circumferential limiting structure is characterized in that the upper end of the support is provided with a limiting groove with a non-circular inner end surface, the lower end of the key post is provided with a limiting post part matched with the limiting groove, and the limiting post part is positioned in the limiting groove.

Furthermore, the key post is provided with a key body and a limiting post part arranged at the lower end of the key body, a first limiting groove is formed between the lower end of the key body and the limiting post part, and the upper part of the limiting groove is positioned in the first limiting groove.

Furthermore, the outside cover of key post is equipped with and is used for the spring that the rotatory button resets, the spring is located the key post encloses the intracavity that holds that establishes with the pipe.

Further, it establishes still to hold the intracavity the gasket in the button post outside is established, revolve the cap and be located press the top of button post, the spring is located between gasket and the cap of revolving.

Furthermore, a clamp spring groove is formed in the outer circumference of the key column, a clamp spring is assembled in the clamp spring groove, the radial size of the clamp spring is larger than that of the clamp spring groove, and the lower end of the small tube is located on the front side of the clamp spring.

Furthermore, the screw cap is provided with a screw cap body connected with the key column, and a hand screw part bent and extended downwards along the edge of the screw cap body, and the hand screw part is coated on the outer side of the barrel.

Based on foretell rotatory button structure, the utility model also provides an electronic equipment with this rotatory button structure for realize the multi-functional operation of button, be favorable to reducing the quantity of button, be favorable to reduce cost, be favorable to electronic equipment's miniaturization.

An electronic device comprises a shell and the rotary key structure assembled on the shell.

Furthermore, the shell is provided with a mounting hole, the rotary key structure is located in the mounting hole, the upper end of the mounting hole is provided with a first limiting table extending outwards, and the screw cap is located at the first limiting table.

Furthermore, the outer side of the boom pipe is provided with an outer edge which extends outwards, and the outer edge is located at the first limiting table.

Furthermore, a fixed support used for fixing the circuit board is arranged in the shell, two damping columns which are oppositely arranged are arranged on the fixed support, a limiting edge which extends outwards is arranged on the support, and a plurality of gear grooves matched with the damping columns are arranged on the limiting edge at intervals.

Compared with the prior art, the utility model discloses an advantage is with positive effect: the multifunctional operation of the rotary key structure can be realized, the number of keys is reduced, the manufacturing cost is reduced, and the miniaturization of electronic equipment is facilitated; the synchronous rotation of the bracket and the rotary key is realized by arranging the circumferential limiting structure, the correspondence between the elastic sheet contact and the electric contacts with different functions on the circuit board can be realized, and the connection of a circuit is realized through the metal elastic sheet; the rotary key is pressed downwards to realize the contact between the elastic sheet contact and the electric contact, so that the circuit is switched on and the corresponding function is realized.

Other features and advantages of the present invention will become more apparent from the following detailed description of the invention when read in conjunction with the accompanying drawings.

Drawings

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

Fig. 1 is a schematic structural diagram of an embodiment of a rotary key structure provided in the present invention;

FIG. 2 is an enlarged schematic view of a portion of the structure of FIG. 1

FIG. 3 is a schematic cross-sectional view of the assembled rotary key structure of FIG. 1;

FIG. 4 is an enlarged schematic view of the rotary button of FIG. 1;

FIG. 5 is an enlarged schematic view of the stent of FIG. 1;

FIG. 6 is a schematic view of the structure of FIG. 5 at another angle;

FIG. 7 is an enlarged schematic view of the circuit board of FIG. 1;

FIG. 8 is a schematic view of the circuit board after being mounted to the mounting bracket;

fig. 9 is a schematic view of the structure of the bracket and the damping column.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

In the description of the present invention, it should be noted that the directions or position relationships indicated by the terms "upper", "lower", "left", "right", etc. are based on the position relationship shown in the drawings, and the direction close to the axis of the rotary key is "inner", otherwise "outer"; the direction of the pressing of the rotary key is taken as 'down', and the direction of the pressing of the rotary key is taken as 'up' on the contrary. The terminology is for the purpose of describing the invention only and is not intended to be limiting of the invention since it is not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation. Moreover, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Referring to fig. 1-9, the present invention provides an embodiment of a rotary key structure, the electronic device in this embodiment is a smart watch, the smart watch has a housing 100 and a battery 200 located in the housing 100, and in other embodiments, the electronic device may be other electronic devices.

A rotary key structure comprising: the rotary key 10 is provided with a rotary cap 11 and a key column 12 which are integrally arranged, so that the rotary key 10 can rotate and move in the up-down direction; the barrel 20 is sleeved outside the key post 12 to realize the installation and the limit of the rotary key 10; a circumferential limiting structure for realizing synchronous rotation is arranged between the bracket 30 and the key post 12, and the bracket 30 can be driven to synchronously rotate together when the rotary key 10 rotates; the circuit board 40 is positioned below the bracket 30, and the circuit board 40 is provided with a plurality of electric contacts 41 which are arranged at intervals in the circumferential direction; the lower end face of the support 30 is provided with a metal elastic sheet 35, the metal elastic sheet 35 is provided with an elastic sheet contact 351 protruding downwards, and the elastic sheet contact 351 can be connected with the electric contact 41 in a matching mode. The multifunctional operation of the rotary key structure can be realized, the number of keys is reduced, the manufacturing cost is reduced, and the miniaturization of electronic equipment is facilitated; by arranging the circumferential limiting structure, the synchronous rotation of the bracket 30 and the rotary key 10 is realized, the correspondence between the elastic sheet contact 351 and the electric contacts 41 with different functions on the circuit board 40 can be realized, and the connection of the circuit is realized through the metal elastic sheet 35; by pressing the rotary key 10 downwards, the contact between the dome contact 351 and the electrical contact 41 is realized, the circuit is conducted, and the corresponding function is realized.

In this embodiment, the circuit board 40 is preferably configured as an FPC board, the plurality of electrical contacts 42 are circumferentially spaced, two electrical contacts 42 that are radially opposite are disposed in the same circuit, a connection line of two elastic sheet contacts 351 in the same circuit on the metal elastic sheet 35 passes through an axis of the rotary key 10, and the rotary key 10 is rotated to further drive the bracket 30 to rotate synchronously, so that the two elastic sheet contacts 351 correspond to the two electrical contacts 42, and after the rotary key 10 is pressed, the circuit is connected.

Referring to fig. 5 and 6, the bracket 30 has a bracket body 31, a limiting groove 32 with a non-circular inner end surface is provided at the upper end of the bracket 30, a limiting edge 312 extending outwards is provided on the bracket body 31, and a plurality of shift grooves 313 are provided at intervals on the limiting edge 312.

Referring to fig. 3 and 4, the rotary key 10 has a key post 12 and a screw cap 11 disposed at the upper end of the key post 12, the key post 12 has a key body 121 and a position-limiting post 122 disposed at the lower end of the key body 121; the screw cap 11 has a screw cap body 111 connected to the key post 12, and a hand screw portion 112 bent downward and extending along an edge of the screw cap body 111. A first limiting groove 123 is formed between the lower end of the key body 121 and the limiting column 122, and the upper portion of the limiting groove 32 is located in the first limiting groove 123. The hand rotator portion 112 is wrapped around the outside of the barrel 20.

In order to realize the synchronous rotation of the rotary key 10 and the bracket 30, the circumferential limiting structure between the rotary key 10 and the bracket 30 may have various structural forms, in this embodiment, the circumferential limiting structure is a limiting groove 32 with a non-circular inner end surface at the upper end of the bracket 30, a limiting column 122 matched with the limiting groove 32 is arranged at the lower end of the key column 12, and the limiting column 122 is located in the limiting groove 32. The inner end face of the limiting groove 32 is of a non-circular structure, and the outer end face of the limiting column 122 is of a matched non-circular structure, so that when the rotary key 10 rotates, the support 30 can be driven to rotate synchronously.

In order to realize that the support 30 moves upward after the rotary key 10 is reset upward, so that the two elastic sheet contacts 351 are separated from the two electrical contacts 42, the metal elastic sheet 35 may be configured to have a function of pushing the support 30 to move upward for resetting, or the key post 12 and the support 30 may be configured to be fixed, for example, the limiting post portion 122 is configured to be in interference fit with the limiting groove 32, so that when the rotary key 10 is reset upward, the support 30 may be driven to move upward.

The outside cover of button post 12 is equipped with the spring 15 that is used for rotatory button 10 to reset, and spring 15 is located the button post 12 and encloses the chamber 29 that holds that establishes with barre pipe 20, holds that chamber 29 is for having the annular chamber of opening on. The accommodating cavity 29 is also internally provided with a gasket 16 sleeved outside the key post 12, and the spring 16 is positioned between the gasket 60 and the screw cap 11 in the up-down direction. The lower end of the spring 50 is in contact with the gasket 16, the elastic force of the spring is applied to the gasket 16, and then the elastic force is transmitted to the barrel 20 through the gasket 16, so that the energy storage of the spring 15 is realized when the rotary key 10 is pressed downwards, and the automatic reset of the rotary key 10 is realized.

A clamp spring groove 123 is formed in the outer circumference of the key post 12, a clamp spring 17 is assembled in the clamp spring groove 123, and the radial dimension of the clamp spring 17 is larger than that of the clamp spring groove 123, namely, a part of the clamp spring 17 is positioned in the clamp spring groove 123, and a part of the clamp spring extends out of the clamp spring groove 123; the lower end of the barrel 20 is positioned at the front side of the clamp spring 17, so that the upward movement of the rotary key 10 is limited.

A mounting hole 101 is formed in a shell 100 of the intelligent watch, a rotary key structure is mounted in the mounting hole 101, and a circuit board 40 is fixed on a battery support 200; a first limiting table 102 extending outwards is arranged at the upper end of the mounting hole 101, and the screw cap 11 is positioned at the first limiting table 102. The outer side of the bartube 20 is provided with an outer edge 21 extending outwards, the outer edge 21 is positioned at the first limiting table 102 and limits the movement of the bartube 20 in the downward direction, and the bartube 20 is fixedly arranged in the mounting hole 101.

A fixing bracket 201 used for fixing the circuit board 40 on the battery bracket 200, wherein two damping columns 202 which are oppositely arranged and extend upwards are arranged on the fixing bracket 201; the bracket 30 is provided with a limiting edge 312 extending outwards, a plurality of gear grooves 313 are arranged on the limiting edge 312 at intervals, and the gear grooves 313 are matched with the damping columns 202; by rotating the rotary key 10, the damping cylinder 202 can be sequentially engaged with different gear slots 313, that is, the rotary key 10 can have a corresponding rotation stop position, so as to realize different functions of the key. By rotating the rotary key 10, the rotary action can be realized, and the bracket 30 is driven to realize the switching of different functional circuits of the intelligent watch; pressing the rotary key 10 can move up and down, so that the spring contact 351 is in contact with the electrical contact 41, and the circuit is connected, and the corresponding function is realized.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or that equivalents may be substituted for elements thereof; such modifications and substitutions do not depart from the spirit and scope of the present invention, which is claimed.

Claims

1. A rotary key structure, comprising:

the barrel is sleeved on the outer side of the key column;

2. The rotary key structure according to claim 1, wherein the circumferential limiting structure is a limiting groove with a non-circular inner end surface at the upper end of the support, and a limiting post part matched with the limiting groove at the lower end of the key post, and the limiting post part is located in the limiting groove.

3. The rotary key structure according to claim 2, wherein a spring for returning the rotary key is sleeved on an outer side of the key post, and the spring is located in an accommodating cavity surrounded by the key post and the barrel.

4. The rotary key structure of claim 3, wherein a gasket is disposed in the accommodating cavity and sleeved outside the key post, the screw cap is disposed on the top of the key post, and the spring is disposed between the gasket and the screw cap.

5. The rotary key structure according to any one of claims 1 to 4, wherein a snap spring groove is formed in an outer circumference of the key post, a snap spring is assembled in the snap spring groove, a radial dimension of the snap spring is larger than a radial dimension of the snap spring groove, and a lower end of the barrel is located at a front side of the snap spring.

6. The rotary key structure according to any one of claims 1 to 4, wherein the screw cap has a screw cap body connected to the key post, and a hand screw portion extending downward along an edge of the screw cap body, and the hand screw portion is covered on an outer side of the barrel.

7. An electronic device having a housing, the rotary key structure of any one of claims 1 to 6 mounted on the housing.

8. The electronic device of claim 7, wherein a mounting hole is formed in the housing, the rotary key structure is located in the mounting hole, a first limiting platform extending outward is disposed at an upper end of the mounting hole, and the screw cap is located at the first limiting platform.

9. The electronic device of claim 8, wherein an outer edge extending outwards is arranged on the outer side of the barrel, and the outer edge is located at the first limiting platform.

10. The electronic device according to any one of claims 7 to 9, wherein a fixing bracket for fixing the circuit board is arranged in the housing, two damping columns are arranged opposite to each other on the fixing bracket, a limiting edge extending outwards is arranged on the bracket, and a plurality of gear grooves matched with the damping columns are arranged on the limiting edge at intervals.