CN217158012U - Key mounting structure and electronic device - Google Patents
Key mounting structure and electronic device Download PDFInfo
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- CN217158012U CN217158012U CN202220785958.6U CN202220785958U CN217158012U CN 217158012 U CN217158012 U CN 217158012U CN 202220785958 U CN202220785958 U CN 202220785958U CN 217158012 U CN217158012 U CN 217158012U
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- 230000000903 blocking effect Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 claims description 2
- 238000012986 modification Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 230000036772 blood pressure Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
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Abstract
The application provides a mounting structure and electronic equipment of button, this mounting structure is applicable to the electronic equipment who has the casing, includes: a key base supporting the key in a second direction opposite to the first direction in which the key is pressed; the U-shaped elastic arm is formed on one side of the key seat, which is far away from the key, in the first direction, and forms a U shape from the key seat to the first direction; and the key column extends from one end part of the U-shaped elastic arm to the first direction. Through this application embodiment, lengthened the length of bullet arm, can improve button elasticity, reduce the button power and guarantee that the button is felt, can also prevent that the button from rocking through the support to the button according to the key holder simultaneously to user experience has been improved.
Description
Technical Field
The embodiment of the application relates to the technical field of medical health, in particular to a key mounting structure and electronic equipment.
Background
In the existing small medical health electronic products, such as a blood pressure meter, small keys are required to be arranged due to the limitation of space, and the small keys cannot be designed into a clip shape or an S-shaped elastic arm of a large key due to the limitation of space; the current installation mode of the small keys usually adopts a spring arm (straight arm) with a single side extending straight or a structure without the spring arm.
It should be noted that the above background description is provided only for the sake of clarity and complete description of the technical solutions of the present application, and for the understanding of those skilled in the art. Such solutions are not considered to be known to the person skilled in the art merely because they have been set forth in the background section of the present application.
SUMMERY OF THE UTILITY MODEL
The inventor finds that in the conventional structure, if a straight arm mode is adopted, the key pressing force is large, and the elasticity and the hand feeling are poor; if the structure without the elastic arm is adopted, although the hand feeling is good, the key can shake to generate abnormal sound, the fineness of appearance matching is poor, and the user experience is influenced.
In order to solve the above problems or other similar problems, embodiments of the present application provide a key mounting structure and an electronic device.
According to an aspect of the embodiments of the present application, there is provided a mounting structure of a key, which is adapted to an electronic apparatus having a housing, the mounting structure including: a key base supporting the key in a second direction opposite to the first direction in which the key is pressed; the U-shaped elastic arm is formed on one side, far away from the key, of the key seat in the first direction, and forms a U shape from the key seat towards the first direction; and a key post extending from one end of the U-shaped spring arm in the first direction.
In some embodiments, the U-shaped elastic arm includes a first arm portion, a second arm portion, and a first bottom portion, one end of the first arm portion is connected to the key base, and the other end of the first arm portion is connected to the first bottom portion; one end of the second arm is connected with a shell of the electronic equipment, and the other end of the second arm is connected with the first bottom; the first arm portion and the second arm portion extend in the first direction, respectively, and form the U-shape with the first bottom portion.
In some embodiments, the U-shaped elastic arm is U-shaped when viewed from a direction parallel to the pressing surface of the key; when the button seat is observed from the direction vertical to the pressing surface of the button, the button seat is in a U shape.
In some embodiments, the key holder includes a third arm portion, a fourth arm portion, and a second bottom portion connecting the third arm portion and the fourth arm portion, the second bottom portion of the key holder being connected to one end of the first arm portion of the U-shaped elastic arm.
In some embodiments, the bottom of the key has a contact portion; when the key is pressed, the key base abuts against the contact portion.
In some embodiments, the first arm portion of the U-shaped elastic arm extends from a central position of the second bottom portion of the key holder toward the first direction, and the second arm portion of the U-shaped elastic arm extends from a position connected with the housing toward the first direction; the third arm portion of the key base extends from one end of the second bottom portion of the key base toward one end of the second arm portion, and the fourth arm portion of the key base extends from the other end of the second bottom portion of the key base toward one end of the second arm portion.
In some embodiments, the width of the U-shaped spring arm is smaller than the shortest distance between the third arm portion and the fourth arm portion of the key base when viewed from a direction perpendicular to the pressing surface of the key.
In some embodiments, a blocking portion is disposed on the key, the blocking portion blocks the key from moving toward the second direction when the key is assembled to the mounting structure, and the U-shaped elastic arm applies an elastic force to the key base in the second direction to make the key base abut against the key.
In some embodiments, the mounting structure is integrally formed with the housing.
In some embodiments, the mounting structure is formed separately from the housing.
In some embodiments, the key base, the U-shaped elastic arm and the key post are integrally formed.
According to another aspect of the embodiments of the present application, there is provided an electronic device, wherein the electronic device includes a housing, a key mounted on the housing, and a mounting structure of the key according to any one of the embodiments.
In some embodiments, the electronic device further comprises a circuit board; when the key is assembled to the mounting structure and pressed, the key base and the key post move in the first direction, and the key post contacts the electronic key on the circuit board.
One of the beneficial effects of the embodiment of the application lies in: according to this application embodiment, through will playing the arm design and forming the U-shaped in the first direction, lengthened the length of playing the arm, can improve button elasticity, reduce the button power and guarantee that the button feels, can also prevent through the support to the button according to the key holder that the button from rocking simultaneously to user experience has been improved.
Specific embodiments of the present application are disclosed in detail with reference to the following description and drawings, indicating the manner in which the principles of the application may be employed. It should be understood that the embodiments of the present application are not so limited in scope. The embodiments of the application include many variations, modifications and equivalents within the spirit and scope of the appended claims.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the application, are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:
fig. 1 is a schematic view of a mounting structure of a key of an embodiment of the present application;
FIG. 2 is another schematic view of the mounting structure of the key;
FIG. 3 is a sectional view of the mounting structure of the key taken along line A-A' shown in FIG. 1;
FIG. 4 is a schematic view of the key mounted on the base of FIG. 3;
FIG. 5 is a schematic diagram of a key of an embodiment of the present application;
FIG. 6 is a schematic perspective view of a key;
FIG. 7 is a schematic view of an electronic device of an embodiment of the application;
fig. 8 is a cross-sectional view of the electronic device taken along line B-B' shown in fig. 7.
Detailed Description
The foregoing and other features of the present application will become apparent from the following description, taken in conjunction with the accompanying drawings. In the description and drawings, particular embodiments of the application are disclosed in detail as being indicative of some of the embodiments in which the principles of the application may be employed, it being understood that the application is not limited to the described embodiments, but, on the contrary, is intended to cover all modifications, variations, and equivalents falling within the scope of the appended claims.
In the embodiments of the present application, the terms "first", "second", and the like are used for distinguishing different elements by reference, but do not denote a spatial arrangement, a temporal order, or the like of the elements, and the elements should not be limited by the terms. The term "and/or" includes any and all combinations of one or more of the associated listed terms. The terms "comprising," "including," "having," and the like, refer to the presence of stated features, elements, components, and do not preclude the presence or addition of one or more other features, elements, components, and elements.
In the embodiments of the present application, the singular forms "a", "an", and the like include the plural forms and are to be construed broadly as "a" or "an" and not limited to the meaning of "a" or "an"; furthermore, the term "comprising" should be understood to include both the singular and the plural, unless the context clearly dictates otherwise. Further, the term "according to" should be understood as "at least partially according to … …," and the term "based on" should be understood as "based at least partially on … …," unless the context clearly dictates otherwise.
Embodiments of the present application will be described below with reference to the drawings.
Embodiments of the first aspect
Embodiments of the first aspect of the present application provide a mounting structure of a key, which is suitable for an electronic device having a housing, for example, a sphygmomanometer.
FIG. 1 is a schematic view of a mounting structure for a key of an embodiment of the present application, showing a view of the mounting structure from above; FIG. 2 is another schematic view of the mounting structure for the keys, showing a view of the mounting structure from below; fig. 3 is a sectional view of the mounting structure of the key along line a-a' shown in fig. 1, in which a downward direction in fig. 3 is a first direction P in which the key is pressed, and an upward direction is a second direction Q opposite to the first direction; fig. 4 is a schematic diagram of the key mounted on the base of fig. 3.
As shown in fig. 1, 2, 3, and 4, a key mounting structure 1 (shown by a dashed line box in fig. 1) according to an embodiment of the present application includes: a key base 10, a U-shaped elastic arm 20 and a key column 30; here, key base 10 supports key 2 in second direction Q opposite to first direction P in which key 2 is pressed, U-shaped elastic arm 20 is formed on key base 10 on the side away from key 2 in first direction P, and is formed in a U-shape from key base 10 toward first direction P, and key post 30 extends from one end of U-shaped elastic arm 20 in first direction P.
According to the embodiment, the elastic arm is designed to be in the U shape in the first direction, the length of the elastic arm is increased, the elasticity of the keys can be improved, the key force is reduced, the hand feeling of the keys is guaranteed, and meanwhile the keys can be prevented from shaking through the support of the key base on the keys, so that the user experience is improved.
In the present embodiment, the key base 10 may support the key 2 by interference fit with the bottom of the key 2, thereby fixing the key 2.
In the embodiment of the present application, as shown in fig. 3, the key post 30 may extend in the first direction P from one end portion (a free end, that is, an end of the U-shaped elastic arm that is not fixed by a member such as a case) of the U-shaped elastic arm 20, or the key post 30 may extend in the first direction P from a connection position between the U-shaped elastic arm 20 and the key base 10, and is configured to abut against an electronic key on a circuit board of an electronic device when the key 2 is pressed.
In the present embodiment, as shown in fig. 3, U-shaped elastic arm 20 includes first arm 201, second arm 202, and first bottom 203, where one end E1 of first arm 201 is connected to key holder 10, and the other end E2 is connected to first bottom 203; one end E3 of the second arm 202 is connected to the housing 3 of the electronic device, and the other end E4 is connected to the first bottom 203; one end E1 of the first arm 201 extends in the first direction P, one end E3 of the second arm 202 extends in the first direction P, and the first and second arms 201 and 202 form a U-shape with the first bottom 203. That is, the direction of the U-shaped opening of the U-shaped spring arm is toward the second direction Q.
Thus, the U-shaped elastic arm 20 formed in this way uses a lower space in the pressing direction of the key in the case where the planar space of the key is limited, and is designed in a U-shape extending downward to increase the length of the elastic arm as much as possible, thereby supporting and elastically supporting the key 2 when the key 2 is repeatedly operated.
In the above embodiment, the extending direction of the one end E1 of the first arm 201 is not necessarily strictly limited to the first direction P, and may be substantially toward the first direction P as shown in fig. 3, and similarly, the extending direction of the one end E3 of the second arm 202 may be substantially toward the first direction, wherein the direction of the U-shaped opening of the U-shaped elastic arm may be directed toward the second direction Q.
In the present embodiment, as shown in fig. 3, when viewed from a direction parallel to the pressing surface of the key 2, that is, when the key mounting structure 1 is viewed from the front, the U-shaped elastic arm 20 has a U-shape (in this case, the key base 10 has a straight shape); that is, the U-shape of the U-shaped elastic arm 20 is substantially perpendicular to the pressing surface of the key 2. Thus, the U-shaped elastic arm 20 is formed by utilizing a space in the pressing direction of the key.
As shown in fig. 1, the key base 10 is U-shaped (in this case, the U-shaped elastic arm 20 is in a straight line shape) when viewed from a direction perpendicular to the pressing surface of the key 2, that is, when the key mounting structure 1 is viewed from above, that is, the U-shape of the key base 10 is substantially parallel to the pressing surface of the key 2. Thereby facilitating the support of the keys 2 by the key base 10.
In the embodiment of the present application, as shown in fig. 1 and 2, the key base 10 includes a third arm portion 101, a fourth arm portion 102, and a second bottom portion 103 connecting the third arm portion 101 and the fourth arm portion 102, and the second bottom portion 103 of the key base 10 is connected to one end E1 of the first arm portion 201 of the U-shaped elastic arm 20.
In the present embodiment, as shown in fig. 1, 2 and 3, first arm portion 201 of U-shaped elastic arm 20 extends from center position O of second bottom portion 103 of key holder 10 toward first direction P, and second arm portion 202 of U-shaped elastic arm 20 extends from position O' connected to case 3 toward first direction P.
From this, U-shaped bullet arm 20 is located its central point for button seat 10 and puts button 2 in the free end support of U-shaped bullet arm 20 for button seat 10, when pressing the button like this, all around the atress is even, feels good, can further improve user experience.
In the present application, the shape of key holder 10 is not limited to the U-shape, and any shape that supports key 2 and connects U-shaped elastic arms 20 is included in the present application, for example, an H-shape, etc.
FIG. 5 is a schematic diagram of a key of an embodiment of the present application, showing a view of the key looking down (looking in a direction from inside the housing of the electronic device to outside the housing); fig. 6 is a perspective view of the key.
In the present embodiment, the bottom of the key 2 has a contact portion 21, and when the key 2 is pressed, the key base 10 abuts against the contact portion 21.
For example, as shown in fig. 4 and 5, the bottom of the key 2 may have a contact portion 21 having an H-shape, the contact portion 21 including first and second substantially parallel straight arms 211 and 212, and a cross arm 213 connecting the first and second straight arms 211 and 212; when the key 2 is pressed, the third arm 101 and the fourth arm 102 of the key base 10 abut against the first straight arm 211 and the second straight arm 212 of the contact portion 21, respectively.
Therefore, the U-shaped structure of the key base 10 is tightly matched with the H-shaped bottom of the key 2, so that the abutting surface of the key base 10 and the key 2 can be enlarged, and the key 2 is prevented from shaking left and right.
In the present embodiment, the contact portion 21 of the key 2 is not limited to the H shape, and any shape that can be tightly fitted to the structure of the key base 10 to increase the abutting surface between the key base 10 and the key 2 is included in the present application.
In the present embodiment, as shown in fig. 1 and 2, when viewed from a direction perpendicular to the pressing surface of key 2, width W of U-shaped elastic arm 20 is smaller than shortest distance D between third arm portion 101 and fourth arm portion 102 of key holder 10, that is, W < D. That is, at least a part of the in-line shape of the U-shaped elastic arm 20 is accommodated in the key base 10 when viewed from a direction perpendicular to the pressing surface of the key 2.
Therefore, by setting the width of the U-shaped elastic arm 20, the elasticity of the U-shaped elastic arm 20 can be enhanced, the key pressing force can be ensured to be small, and the user can not feel too hard when pressing, so that the user can feel good; and making W < D also ensures the accommodation space in the case of the electronic apparatus, thereby facilitating the mounting of other components.
It should be understood that the width W of U-shaped elastic arm 20 in the present embodiment is not limited to be smaller than the shortest distance D, that is, the width W of U-shaped elastic arm 20 may be greater than or equal to the shortest distance D between third arm 101 and fourth arm 102 of key holder 10, which is not limited in the present embodiment.
In the embodiment of the present application, as shown in fig. 4, 5 and 6, the key 2 is provided with the blocking portion 22, in the condition that the key 2 is assembled to the mounting structure 1, the blocking portion 22 blocks the key 2 from moving in the second direction Q, and the U-shaped elastic arm 20 applies an elastic force to the key base 10 in the second direction Q to make the key base 10 abut against the key 2. That is, the U-shaped elastic arm 20 can apply an upward elastic force to the key base 10 to make the key base 10 and the key 2 tightly abut to support the key, and on the other hand, the U-shaped elastic arm 20 can apply an upward elastic force to the key base 10 by matching the U-shaped elastic arm 20, the key base 10 and the blocking portion 22 so as not to make the key 2 fall off upward; this prevents the key 2 from wobbling in the vertical direction.
In the embodiment of the present application, as shown in fig. 1 to 3, the mounting structure 1 and the housing 3 may be integrally formed; therefore, the mold is convenient to uniformly manufacture. Of course, the mounting structure 1 and the housing 3 may be formed separately, and when the mounting structure 1 and the housing 3 are formed separately, the mounting structure 1 may further include a connecting portion (not shown) located at the one end E3 of the second arm portion 201 of the U-shaped arm portion 20 for connecting with the housing 3, such as a snap connection, an adhesive connection, and the like.
In the embodiment of the present application, as shown in fig. 1 to 3, the key base 10, the U-shaped elastic arm 20 and the key post 30 of the mounting structure 1 are integrally formed. Thereby, the production process of the mounting structure 1 is facilitated.
In the present embodiment, it is found through experiments that the key mounting structure 1 described in the above embodiment has a small key pressing force of less than 5N, high user's handfeel, high reliability, and can satisfy at least 13000 key pressing operations.
In the present application, the key mounting structure 1 described in the above embodiment can be applied not only to electronic devices such as blood pressure meters, but also to all electronic devices requiring small keys.
According to the mounting structure of button of this application embodiment, can improve button elasticity, reduce the button power and guarantee that the button is felt, can also prevent through the support of button to the button that the button seat from rocking simultaneously to user experience has been improved.
Embodiments of the second aspect
Embodiments of a second aspect of the present application provide an electronic device. Such as a blood pressure meter.
Fig. 7 is a schematic view of an electronic device according to an embodiment of the present application, and fig. 8 is a sectional view of the electronic device taken along line B-B' shown in fig. 7. The components used in the embodiments of the second aspect are illustrated in the same manner as in the embodiments of the first aspect.
As shown in fig. 7 and 8, the electronic device 7 includes a housing 3, a key 2 mounted on the housing 3, and a key mounting structure 1 according to the embodiment of the first aspect. The structure of the key mounting structure 1 is described in detail in the embodiment of the first aspect, and the content thereof is included herein and is not described herein again.
In the present embodiment, as shown in fig. 8, electronic device 7 further includes circuit board 4, and in the case where key 2 is fitted to mounting structure 1 and pressed, key holder 10 and key post 30 move in first direction P, and key post 30 comes into contact with electronic key 41 on circuit board 4.
Only the configuration related to the electronic device 7 of the embodiment of the present application has been described above, the present application is not limited to this, and the electronic device 7 may include other conventional configurations, and specifically, the related art may be referred to, and the description is omitted here.
The electronic equipment of the embodiment of this application second aspect, through the bullet arm design in the mounting structure with the button for form the U-shaped on the first direction, lengthened the length of bullet arm, can improve button elasticity, reduce button power and guarantee that the button is felt, can also prevent through the support of key base to the button that the button from rocking simultaneously to user experience has been improved.
The present application has been described in conjunction with specific embodiments, but it should be understood by those skilled in the art that these descriptions are intended to be illustrative, and not limiting. Various modifications and adaptations of the present application may occur to those skilled in the art based on the spirit and principles of the application and are within the scope of the application.
Preferred embodiments of the present application are described above with reference to the accompanying drawings. The many features and advantages of the embodiments are apparent from the detailed specification, and thus, it is intended by the appended claims to cover all such features and advantages of the embodiments that fall within the true spirit and scope thereof. Further, since numerous modifications and changes will readily occur to those skilled in the art, it is not desired to limit the embodiments of the present application to the exact construction and operation illustrated and described, and accordingly, all suitable modifications and equivalents may be resorted to, falling within the scope thereof.
Claims (13)
1. A mounting structure for a key, adapted to an electronic device having a housing, said mounting structure comprising:
a key base supporting the key in a second direction opposite to the first direction in which the key is pressed;
the U-shaped elastic arm is formed on one side, far away from the key, of the key seat in the first direction, and forms a U shape from the key seat towards the first direction; and
a key post extending from an end of the U-shaped spring arm in the first direction.
2. The key mounting structure according to claim 1,
the U-shaped elastic arm comprises a first arm part, a second arm part and a first bottom part, one end of the first arm part is connected with the key base, and the other end of the first arm part is connected with the first bottom part; one end of the second arm is connected with a shell of the electronic equipment, and the other end of the second arm is connected with the first bottom;
the first arm portion and the second arm portion extend in the first direction, respectively, and form the U-shape with the first bottom portion.
3. The key mounting structure according to claim 1,
when the button is observed from the direction parallel to the pressing surface of the button, the U-shaped elastic arm is U-shaped;
the key base is U-shaped when viewed from a direction perpendicular to the pressing surface of the key.
4. The key mounting structure according to claim 2,
the key base comprises a third arm part, a fourth arm part and a second bottom part connecting the third arm part and the fourth arm part, and the second bottom part of the key base is connected with one end of the first arm part of the U-shaped elastic arm.
5. The mounting structure of key according to claim 1 or 4,
the bottom of the key is provided with a contact part;
when the key is pressed, the key base abuts against the contact portion.
6. The key mounting structure according to claim 4,
the first arm portion of the U-shaped elastic arm extends from a central position of the second bottom portion of the key base toward the first direction, and the second arm portion of the U-shaped elastic arm extends from a position connected to the housing toward the first direction;
the third arm portion of the key base extends from one end of the second bottom portion of the key base toward one end of the second arm portion, and the fourth arm portion of the key base extends from the other end of the second bottom portion of the key base toward one end of the second arm portion.
7. The key mounting structure according to claim 4,
the width of the U-shaped resilient arm is smaller than the shortest distance between the third arm portion and the fourth arm portion of the key base when viewed from a direction perpendicular to the pressing surface of the key.
8. The key mounting structure according to claim 1,
a blocking part is arranged on the key-press,
the blocking part blocks the key from moving towards the second direction under the condition that the key is assembled to the installation structure, and the U-shaped elastic arm exerts elastic force on the key base in the second direction to enable the key base to be abutted against the key.
9. The key mounting structure according to claim 1,
the mounting structure and the housing are integrally formed.
10. The key mounting structure according to claim 1,
the mounting structure and the shell are formed in a split mode.
11. The key mounting structure according to claim 1,
the button seat, the U-shaped elastic arm and the button post are integrally formed.
12. An electronic device characterized by comprising a housing, a key mounted on the housing, and a mounting structure of the key according to any one of claims 1 to 11.
13. The electronic device of claim 12, further comprising a circuit board;
when the key is assembled to the mounting structure and pressed, the key base and the key post move in the first direction, and the key post contacts the electronic key on the circuit board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220785958.6U CN217158012U (en) | 2022-03-29 | 2022-03-29 | Key mounting structure and electronic device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220785958.6U CN217158012U (en) | 2022-03-29 | 2022-03-29 | Key mounting structure and electronic device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217158012U true CN217158012U (en) | 2022-08-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220785958.6U Active CN217158012U (en) | 2022-03-29 | 2022-03-29 | Key mounting structure and electronic device |
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| Country | Link |
|---|---|
| CN (1) | CN217158012U (en) |
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- 2022-03-29 CN CN202220785958.6U patent/CN217158012U/en active Active
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