CN211208292U - Wearable monitor and key structure thereof - Google Patents

Abstract

The utility model discloses a wearing formula monitor and button structure thereof, button structure include shell, button and dab the switch, are equipped with the opening on the shell, dab the switch and set up in the shell and expose through the opening, and the button closes portion and passes power portion including the lid, passes power portion and dabs the relative setting of switch, and the lid closes portion and plummer sealing connection with sealed opening, and the lid closes the portion and be soft materials, and it is hard material to pass power portion at least part. Through closing portion and shell sealing connection with the lid, can seal the clearance between button and the shell, avoid external impurity and static etc. to get into in the shell via the clearance between button and the shell, consequently make the button structure have better waterproof, dustproof and prevent the effect of static.

Description

Wearable monitor and key structure thereof

Technical Field

The utility model relates to a medical equipment technical field, concretely relates to wearing formula monitor and button structure thereof.

Background

The wearable monitor is mainly used for continuously monitoring vital signs of a human body, needs to be continuously worn on the body of a patient when in use, and moves along with the movement of the patient.

In the field of wearable monitor devices, buttons are the most common paths for information input, and the buttons can be used for starting up, shutting down or triggering operations defined by other devices. Because the wearable monitor is continuously worn on the human body, on one hand, the static electricity is easy to adsorb various kinds of dust, dander, cuticle and the like on the human body because the equipment is provided with the static electricity, and the impurities are easy to enter the inside of the wearable monitor through a gap between the key and the shell. On the other hand, the wearable monitor can easily contact various medical liquids or body fluids and the like, and the traditional keys cannot realize the waterproof function. On the other hand, the body of the patient can generate more static electricity in the moving process, and the static electricity easily reaches the inside of the wearable monitor through a discharging path between the keys and the shell to damage components inside the wearable monitor.

SUMMERY OF THE UTILITY MODEL

The utility model provides a wearing formula monitor and button structure thereof to make wearing formula monitor have waterproof, dustproof and prevent static function.

In order to solve the technical problem, the utility model discloses a technical scheme be: the utility model provides a key structure, key structure includes shell, button and dabs the switch, be equipped with the opening on the shell, dabs the switch set up in the shell and warp the opening exposes, the button include the portion of closing and protrusion in the portion of closing surface power portion that sets up, power portion with it sets up to dabber the switch relatively, the portion of closing with shell sealing connection is in order to seal the opening, wherein, the portion of closing is soft material, power portion at least part is hard material.

Optionally, the housing includes a bottom wall, a ring wall connected to the bottom wall, and a platform extending from an inner periphery of the ring wall to a center of the ring wall, the opening is formed on the platform, and the cover portion is connected to the platform in a sealing manner to seal the opening.

Optionally, the top surface of the closure portion is recessed in the top of the annular wall.

Optionally, the force transmission part is located in the opening, and a side wall of the force transmission part is spaced from a side wall of the opening.

Optionally, the power transmission part comprises a connecting part and an abutting part, the connecting part is connected to the covering part, the abutting part is arranged on one side, away from the covering part, of the connecting part, the connecting part is made of soft materials, and the abutting part is made of hard materials.

Optionally, a fixing groove is formed in a surface of the connecting portion, which is far away from the covering portion, and the abutting piece is accommodated in the fixing groove.

Optionally, a reduced thickness region is formed on the closure portion around the force transmitting portion, and the thickness of the reduced thickness region is smaller than the thickness of the closure portion adjacent to the reduced thickness region and the force transmitting portion.

Optionally, the key structure includes a sealant, and the sealant is disposed on the plummer to bond the covering portion with the plummer.

Optionally, the plummer deviates from the protruding fender portion that is provided with on the surface of dabbing the switch, enclose fender portion and encircle the open-ended periphery sets up, sealed glue is located enclose the outer wall of fender portion with between the inner wall of rampart.

Optionally, a plurality of openings are formed in the bearing table, and one light-touch switch is arranged in the shell corresponding to each opening; the key comprises one covering part and a plurality of force transmission parts, each force transmission part corresponds to one light touch switch, and the covering part connects the force transmission parts to form an integrated structure.

For solving the technical problem, the utility model discloses a another technical scheme is: the utility model provides a wearing formula monitor, wearing formula monitor includes monitor main part and as aforesaid the button structure, monitor main part with the button structure sharing is the same shell, the button structure with monitor main part is connected.

The utility model has the advantages that: be different from prior art's condition, the embodiment of the utility model provides a button includes that the lid closes the portion and passes power portion, and the lid that soft materials made closes the portion can be better with the outside press down the effort and transmit to pass power portion on, because the at least part that passes power portion is hard material to pass power portion and touch the switch and set up relatively, thereby when the lid portion takes place deformation, pass the interior hard material of power portion can the butt in touching the switch, touch the trigger of switch in order to accomplish. Through closing portion and shell sealing connection with the lid, can seal the clearance between button and the shell, avoid external impurity and static etc. to get into in the shell via the clearance between button and the shell to the damage dabs the switch, consequently, the button structure in this embodiment has better waterproof, dustproof and prevent the effect of static.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:

FIG. 1 is a schematic cross-sectional view of a key structure in the related art;

fig. 2 is a schematic cross-sectional view of a key structure in an embodiment of the present invention;

FIG. 3 is an exploded view of the key of FIG. 2;

fig. 4 is a schematic cross-sectional view of a key structure in another embodiment of the present invention;

FIG. 5 is an exploded view of the key structure of FIG. 2;

fig. 6 is a schematic cross-sectional view of a key structure in another embodiment of the present invention;

fig. 7 is a schematic cross-sectional view of a key structure in another embodiment of the present invention;

fig. 8 is an exploded schematic view of a key structure according to another embodiment of the present invention;

FIG. 9 is a schematic cross-sectional view of the key structure of FIG. 8;

fig. 10 is a schematic plan view of a wearable monitor according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The terms "first", "second" and "third" in the present application are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of indicated technical features. Thus, a feature defined as "first," "second," or "third" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise. All directional indications (such as up, down, left, right, front, and rear … …) in the embodiments of the present application are only used to explain the relative positional relationship between the components, the movement, and the like in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indication is changed accordingly. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase 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. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

The key structure is commonly used for the power-on and power-off of the device or the input of signals, and is common on medical devices. There are three general key structures:

the first method comprises the following steps: referring to fig. 1, fig. 1 is a schematic cross-sectional structure diagram of a key structure in the related art. The key structure includes a housing 101, a tact switch 102, and a hard plastic key 103. The casing 101 is provided with an opening 104, the tact switch 102 is disposed in the casing 101 through the opening 104, and the hard plastic key 103 covers the tact switch 102 and is exposed out of the casing 101 through the opening 104. The pressing acting force acts on the hard plastic key 103, and the hard plastic key 103 transmits the pressing acting force to the inner tact switch 102, so that the key conduction function is realized.

And the second method comprises the following steps: the button adopts silica gel molding structure, and the bottom of silica gel is electrically conductive contact, when electrically conductive contact contacted the PCB of button below, realizes the function that the button switched on.

And the third is that: the thin film key is adopted, the key of the snap dome structure is hidden in the thin film, and when the key is pressed down, the snap dome deforms and touches the contact at the bottom, so that the function of key conduction is realized.

The application of these conventional key structures to wearable monitors has several disadvantages and shortcomings as follows:

1. the wearable monitor is continuously worn on the human body, the equipment is static, the static is easy to absorb various dust, dander, cuticle and the like on the human body, and the sundries can easily enter the wearable monitor through the gap between the key and the shell.

2. The wearable monitor may be exposed to various severe usage scenarios, such as splattering of various medical liquids, contact of human body fluids, etc., and therefore, a certain waterproof level (such as IPX4 or above) is usually required, and the conventional key structure cannot achieve the waterproof function.

3. Wearable monitor is owing to last wearing on one's body at patient, and patient can produce more static on the in-process health that removes, and inside static reaches wearable monitor through the discharge path between button and the shell easily, causes the damage to the inside components and parts of wearable monitor.

To address the above-mentioned shortcomings and shortcomings, the present invention provides a key structure 100. As shown in fig. 2, fig. 2 is a schematic cross-sectional structure diagram of a key structure in an embodiment of the present invention. The key structure 100 includes a housing 10, keys 20, and tact switches 30. The housing 10 is provided with an opening 16, and the tact switch 30 is disposed in the housing 10 and exposed through the opening 16. The key 20 comprises a covering part 21 and a force transmission part 23 protruding out of the surface of the covering part 21, the force transmission part 23 is arranged opposite to the light touch switch 30, the covering part 21 is connected with the shell 10 in a sealing mode to seal the opening 16, the covering part 21 is made of soft materials, and at least part of the force transmission part 23 is made of hard materials.

The embodiment of the utility model provides a button 20 includes the portion of closing 21 and biography power portion 23, and the portion of closing 21 that soft materials made can be better presses the effort transmission to biography power portion 23 with the outside on, because the at least part that passes power portion 23 is hard material to biography power portion 23 sets up with dabbing switch 30 relatively, thereby when the portion of closing 21 takes place deformation, hard material in biography power portion 23 can the butt in dabbing switch 30, in order to accomplish and dabble the triggering of switch 30. Through closing portion 21 and shell 10 sealing connection, can seal the clearance between button 20 and the shell 10, avoid external impurity and static etc. to get into in the shell 10 via the clearance between button 20 and the shell 10 to damage and dabble switch 30, consequently, button structure 100 in this embodiment has better waterproof, dustproof and prevent the effect of static.

In this embodiment, the soft material may be, for example, silica gel, and since silica gel may deform to a certain extent, and the surface of silica gel is skin-friendly and comfortable, the surface material of the key 20 is made of silica gel, which can greatly improve user experience. In other alternative embodiments, the soft material may also be soft PVC (Polyvinyl Chloride), K-gum (styrene-butadiene copolymer), TPE (Thermoplastic Elastomer), TPR (Thermoplastic Rubber), EVA (ethylene-vinyl acetate copolymer), TPU (Thermoplastic polyurethanes, Thermoplastic polyurethane Elastomer Rubber), TPV (Thermoplastic vulcanizer), Rubber, or the like.

Alternatively, the hard material may be ABS (Acrylonitrile Butadiene Styrene plastic), POM (polyoxymethylene), PS (polystyrene), PMMA (polymethyl methacrylate), PC (Polycarbonate), PET (polyethylene terephthalate), PBT (Polybutylene terephthalate), or PBT (polytetramethylene terephthalate), and the like, and the embodiment of the present invention is not particularly limited.

Wherein, the shape of opening 16 can be for shapes such as circular, rectangle, triangle-shaped, trapezoidal or rhombus, specifically can be according to the nimble setting of shape of button 20, the embodiment of the utility model provides a do not specifically restrict.

As shown in fig. 2, in the present embodiment, the housing 10 includes a bottom wall 11, a ring wall 13 connected to the bottom wall 11, and a bearing platform 15 extending from the inner periphery of the ring wall 13 to the center of the ring wall 13. The opening 16 is formed in the carrier table 15. The sealing connection between the covering portion 21 and the housing 10 is actually a sealing connection with the susceptor 15.

Specifically, in the present embodiment, as shown in fig. 2, the annular wall 13 is disposed around one side of the bottom wall 11, and the carrier table 15 is connected to the inner circumference of the annular wall 13 and extends in a direction parallel to the bottom wall 11. An opening 16 is opened in the platform 15, and a tact switch 30 is provided on the bottom wall 11 at a position corresponding to the opening 16. The covering part 21 of the key 20 is arranged on the plummer 15, and the force transmission part 23 of the key 20 is connected to the surface of the covering part 21 close to the bottom wall 11 and is arranged opposite to the tact switch 30. In other alternative embodiments, the structure of the housing 10 may be configured as other types of structures as needed, and the embodiments of the present invention are not limited in particular.

Further, as shown in fig. 2, the key structure 100 further includes a circuit board 32, the circuit board 32 is disposed on the bottom wall 11, and the tact switch 30 is disposed on the circuit board 32. The circuit board 32 is used for receiving the trigger signal of the tact switch 30.

Wherein, in one embodiment, the top surface of the cover portion 21 may be flush with the top of the annular wall 13. Specifically, the outer peripheral surface of the covering portion 21 and the inner peripheral surface of the annular wall 13 may be in contact with each other, and the surface of the covering portion 21 away from the bottom wall 11 is flush with the surface of the annular wall 13 away from the bottom wall 11. Through the arrangement mode, the surface of the key structure 100 can be smoother, and further, the key structure is convenient to clean and maintain.

As shown in fig. 2, in the present embodiment, the top surface 212 of the covering portion 21 is recessed in the top of the annular wall 13. Specifically, the outer peripheral surface of the lid portion 21 and the inner peripheral surface of the annular wall 13 contact each other, and the top surface 212 of the lid portion 21 away from the bottom wall 11 is lower than the surface 132 of the annular wall 13 away from the bottom wall 11, that is, the surface 212 of the lid portion 21 exposed through the housing 10 is recessed in the surface 132 of the housing 10. By adopting the arrangement mode, the phenomenon that the key 20 is triggered by mistake can be avoided.

Further, as shown in fig. 2, the force transmission portion 23 is located in the opening 16, and a side wall of the force transmission portion 23 is spaced apart from a side wall of the opening 16.

Specifically, the outer side wall of the force transmission part 23 and the inner side wall of the opening 16 are arranged at intervals, and when the force transmission part 23 is extruded by the covering part 21 to deform, the intervals can be used for avoiding the force transmission part 23, so that the force transmission part 23 deforms, and then the pressing acting force is transmitted to the tact switch 30.

Wherein, pass power portion 23 can with dab switch 30 relative interval setting, also can slightly with dabbing switch 30 contact, the embodiment of the utility model provides a do not do specifically and restrict.

Further, as shown in fig. 2, the force transmission portion 23 includes a connection portion 231 and an abutting member 233, the connection portion 231 is connected to the covering portion 21, the abutting member 233 is disposed on a side of the connection portion 231 facing away from the covering portion 21, the connection portion 231 is made of a soft material, and the abutting member 233 is made of a hard material.

Specifically, the hard material is disposed on a side of the force transmission portion 23 close to the tact switch 30, and is disposed opposite to the tact switch 30, and the connection portion 231 is connected between the covering portion 21 and the abutting piece 233, and is configured to transmit an acting force of the covering portion 21 to the abutting piece 233, so that when the covering portion 21 receives a pressing acting force, the abutting piece 233 is driven to move in a direction close to the tact switch 30, and further abuts against and triggers the tact switch 30.

In this embodiment, as shown in fig. 2 and fig. 3, fig. 3 is an exploded schematic structural diagram of the key in fig. 2. The surface of the connecting portion 231 away from the covering portion 21 is provided with a fixing groove 232, and the abutting member 233 is accommodated in the fixing groove 232. By providing the contact member 233 in the fixing groove 232 of the connection portion 231, the contact area between the connection portion 231 and the contact member 233 can be increased, and the connection strength between the connection portion 231 and the contact member 233 can be increased.

In an embodiment, the abutting member 233 may be fixedly connected to the connecting portion 231 by adhesion. That is, an adhesive is applied or a double-sided tape is attached on the inner surface of the fixing groove 232, and then the abutment member 233 is adhesively fixed in the fixing groove 232.

Alternatively, in another embodiment, the connecting portion 231 and the abutting member 233 may be integrally injection molded to enhance the combining force between the connecting portion 231 and the abutting member 233, and simplify the fixing structure of the connecting portion 231 and the abutting member 233, thereby improving the production efficiency of the key 20.

Further, in the present embodiment, as shown in fig. 2, a surface of the abutment 233 away from the covering portion 21 is flush with a surface of the connecting portion 231 away from the covering portion 21, so as to enhance the connection strength of the abutment 233 and the connecting portion 231. Optionally, in another embodiment, a surface of the abutting piece 233 far away from the covering portion 21 exceeds a surface of the connecting portion 231 far away from the covering portion 21, so as to reduce the material of the connecting portion 231, thereby reducing the production cost.

Optionally, in another embodiment, as shown in fig. 4, fig. 4 is a schematic cross-sectional structural diagram of a key structure in another embodiment of the present invention. The abutting piece 233 may be provided on a surface of the connecting portion 231 remote from the covering portion 21 so that the abutting piece 233 is provided opposite to the tact switch 30. With this arrangement, the structure of the connection portion 231 can be simplified. Wherein, the cross-sectional dimension of the abutment 233 may be less than or equal to the cross-sectional dimension of the connection portion 231. In the present embodiment, the cross-sectional dimension of the abutting member 233 is equal to the cross-sectional dimension of the connecting portion 231, so that the outer circumferential surface of the abutting member 233 is coplanar with the outer circumferential surface of the connecting portion 231, thereby improving the surface flatness of the key 20.

Alternatively, the connecting portion 231 and the covering portion 21 may be made of the same material, so as to facilitate the formation of the key 20 by integral injection molding, thereby improving the production efficiency of the key 20, and facilitating the transmission of the pressing force to the abutting member 233 by the covering portion 21 and the connecting portion 231. Of course, in other alternative embodiments, the connecting portion 231 and the covering portion 21 may also be made of different materials, and the embodiments of the present invention are not particularly limited.

Further, as shown in fig. 2 and 3, a reduced thickness region 25 is formed on the covering portion 21 around the force transmitting portion 23, and the thickness of the reduced thickness region 25 is smaller than the thickness of the covering portion 21 and the force transmitting portion 23 adjacent to the reduced thickness region 25.

Specifically, a groove is formed in the covering portion 21, the groove is arranged around the circumferential direction of the force transmission portion 23, and then the thickness of the connection portion of the covering portion 21 and the force transmission portion 23 is reduced to form a thickness reduction area 25. The arrangement of the thickness reducing area 25 can enhance the toughness of the covering part 21, so that the covering part 21 is convenient to deform at the position corresponding to the force transmission part 23, and the stroke of the key 20 is favorably transmitted.

Optionally, in this embodiment, as shown in fig. 2 and fig. 5, fig. 5 is an exploded schematic structural diagram of the key structure in fig. 2. The key structure 100 includes a sealant 40, and the sealant 40 is disposed on the carrier platform 15 to bond the covering portion 21 and the carrier platform 15.

Specifically, in the present embodiment, the sealant 40 is disposed on the surface of the bearing platform 15 facing away from the bottom wall 11 and is disposed around the circumference of the opening 16. The cover portion 21 is covered on the platform 15, and the sealant 40 is interposed between the cover portion 21 and the platform 15 to hermetically connect the cover portion 21 and the platform 15. The sealant 40 disposed around the circumference of the opening 16 can form a full-surrounding seal around the circumference of the opening 16, thereby improving the sealing effect between the key 20 and the housing 10.

Wherein, sealed glue 40 can adopt waterproof double faced adhesive tape, also can adopt waterproof hot melt adhesive etc. the embodiment of the utility model provides a do not specifically prescribe a limit to. By adopting the sealant 40 to bond the covering part 21 and the bearing platform 15, the sealing structure can be simplified, and the key 20 and the housing 10 can be assembled and fixed quickly, thereby improving the production efficiency.

In another embodiment, the key structure 100 may further include a sealing ring, and the sealing ring is sandwiched between the contact surfaces of the cover portion 21 and the bearing platform 15. By sealing the gap between the covering portion 21 and the bearing table 15 with the sealing ring, it is possible to facilitate replacement of the sealing ring when the sealing ring fails, so as to facilitate detachment and maintenance of the key structure 100.

Optionally, in another embodiment, as shown in fig. 6, fig. 6 is a schematic cross-sectional structural diagram of a key structure in another embodiment of the present invention. A surrounding part 152 is convexly arranged on the surface of the bearing table 15, which is far away from the tact switch 30, the surrounding part 152 is arranged around the periphery of the opening 16, and the sealant 40 is located between the outer wall of the surrounding part 152 and the inner wall of the annular wall 13. By forming the annular enclosure portion 152 at the periphery of the opening 16, it is possible to avoid the hot melt adhesive from flowing into the opening 16 after melting during the process of adhering the covering portion 21 to the carrier 15.

Optionally, in another embodiment, as shown in fig. 7, fig. 7 is a schematic cross-sectional structural diagram of a key structure in another embodiment of the present invention. The present embodiment has substantially the same structure as the embodiment shown in fig. 6, except that in the present embodiment, the surrounding portion 152 is correspondingly disposed at the position of the thickness reducing area 25, and after the key 20 is assembled and fixed with the housing 10, the surrounding portion 152 is accommodated in the thickness reducing area 25. Through the arrangement mode, the covering part 21 can be limited by the bearing table 15, so that the binding force between the covering part 21 and the bearing table 15 is enhanced, and the phenomenon that the covering part 21 is excessively pressed down to cause the connection failure between the covering part 21 and the bearing table 15 is avoided.

Alternatively, as shown in fig. 8 and 9, fig. 8 is an exploded schematic structural diagram of a key structure in another embodiment of the present invention, and fig. 9 is a schematic cross-sectional structural diagram of the key structure in fig. 8. The platform 15 has a plurality of openings 16, and a tact switch 30 is disposed in the housing 10 corresponding to each opening 16. The key 20 comprises a covering part 21 and a plurality of force transmission parts 23, each force transmission part 23 is arranged corresponding to one tact switch 30, and the covering part 21 connects the force transmission parts 23 to form an integral structure.

Specifically, the number of the force transmission portions 23 is equal to the number of the tact switches 30, and each of the force transmission portions 23 is correspondingly disposed in one of the openings 16 and is disposed opposite to one of the tact switches 30. The covering part 21 is connected to the side of the plummer 15 away from the bottom wall 11, and the covering part 21 connects the force transfer parts 23 to form the key 20 of an integrated structure. The cover parts 21 with an integrated structure are arranged to connect the force transmission parts 23, so that the simultaneous installation and disassembly of the plurality of key structures 100 can be realized, and the production efficiency is improved; moreover, the bearing tables 15 of the plurality of key structures 100 are connected with each other, so that the coating area of the sealant 40 is relatively concentrated, the sealant 40 is conveniently coated, the coating area of the sealant 40 is larger, and the sealing performance of the covering part 21 and the shell 10 can be further improved; meanwhile, the structure of the plurality of keys 20 can be compact, which is beneficial to the miniaturization design of products.

Further, the utility model also provides a wearable monitor 200. As shown in fig. 10, fig. 10 is a schematic plan view of a wearable monitor according to an embodiment of the present invention. The wearable monitor 200 includes a monitor main body 210 and a button structure 220, the monitor main body 210 and the button structure 220 share the same housing 214, and the button structure 220 is connected to the monitor main body 210.

The key structure 220 in this embodiment is substantially the same as the key structure 100 in the above embodiment, please refer to the description in the above embodiment, and the description thereof is omitted here.

In this embodiment, the button 221 and the tact switch can be disposed in the housing 214 of the monitor main body 210, and by such arrangement, not only the wearable monitor 200 can have the housing 214 with an integrated structure to reduce the connection gap and enhance the waterproof, dustproof and antistatic capabilities of the wearable monitor 200, but also the wearable monitor 200 can be more beautiful.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims (10)

1. A key structure is characterized in that the key structure comprises a shell, a key and a tact switch,

an opening is arranged on the outer shell,

the tact switch is arranged in the shell and is exposed out of the opening,

the button comprises a covering part and a force transmission part protruding out of the surface of the covering part, the force transmission part is opposite to the tact switch, the covering part is connected with the shell in a sealing mode to seal the opening, the covering part is made of soft materials, and at least part of the force transmission part is made of hard materials.

2. The key structure of claim 1, wherein the housing includes a bottom wall, a surround wall connected to the bottom wall, and a carrier extending from an inner periphery of the surround wall toward a center of the surround wall,

the opening is formed on the plummer, the portion of closing with plummer sealing connection is in order to seal the opening.

3. The key structure of claim 1, wherein the force transmitting portion is located within the opening, and a sidewall of the force transmitting portion is spaced apart from a sidewall of the opening.

4. The key structure according to claim 1, wherein the force transmission portion includes a connecting portion and an abutting member, the connecting portion is connected to the covering portion, the abutting member is disposed on a side of the connecting portion facing away from the covering portion, the connecting portion is made of a soft material, and the abutting member is made of a hard material.

5. The key structure of claim 4, wherein a fixing groove is formed on a surface of the connecting portion away from the covering portion, and the abutting member is received in the fixing groove.

6. The key structure according to claim 1, wherein a reduced thickness region is formed on the cover portion around the force transmitting portion, the reduced thickness region having a thickness smaller than that of the cover portion and the force transmitting portion adjacent to the reduced thickness region.

7. The key structure of claim 2, wherein the key structure comprises a sealant disposed on the carrier platform to adhere the cover portion to the carrier platform.

8. The key structure of claim 7, wherein a surrounding portion is protruded from a surface of the plummer away from the tact switch, the surrounding portion is disposed around a periphery of the opening, and the sealant is located between an outer wall of the surrounding portion and an inner wall of the annular wall.

9. The key structure of claim 2, wherein the platform has a plurality of openings, and one of the tact switches is disposed in the housing corresponding to each of the openings; the key comprises one covering part and a plurality of force transmission parts, each force transmission part corresponds to one light touch switch, and the covering part connects the force transmission parts to form an integrated structure.

10. A wearable monitor, comprising a monitor main body and the key structure of any of claims 1-9, wherein the monitor main body and the key structure share the same housing, and the key structure is connected to the monitor main body.

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