CN219066662U

CN219066662U - Button fixed knot constructs and electronic equipment

Info

Publication number: CN219066662U
Application number: CN202223033707.1U
Authority: CN
Inventors: 傅明强
Original assignee: Xiamen Yealink Network Technology Co Ltd
Current assignee: Xiamen Yealink Network Technology Co Ltd
Priority date: 2022-11-15
Filing date: 2022-11-15
Publication date: 2023-05-23
Anticipated expiration: 2032-11-15

Abstract

The utility model relates to the technical field of electronic equipment and discloses a key fixing structure and electronic equipment, wherein the key fixing structure comprises a shell, a rotating shaft and keys; the shell is provided with a mounting opening; the rotating shaft is fixed in the shell and comprises an introduction part and a limiting part; the inner side of the key is connected with an elastic mounting piece, the elastic mounting piece is provided with a mounting groove, and the mounting groove comprises an inner groove and an opening; the maximum width of the opening is a, the maximum width of the inner groove is b, the maximum width of the leading-in part is c, the maximum width of the limiting part is d, and the maximum diameter of the rotating shaft is f, wherein b is more than or equal to f > d > a > c; the key fixing structure provided by the utility model can fix the key and the rotating shaft in the shell in the installation process so as to prevent the key from falling in the installation direction.

Description

Button fixed knot constructs and electronic equipment

Technical Field

The present utility model relates to the field of electronic devices, and in particular, to a key fixing structure and an electronic device.

Background

Because the keys of the electronic device are usually smaller, when the electronic device is assembled or replaced, the keys and the internal structure of the housing are difficult to accurately align, and the keys and the internal structure of the housing need to be fixed in the installation process so as to avoid falling of the keys in the installation direction.

Because the electronic device in the prior art does not have a key fixing structure, the key cannot be fixed with the internal structure of the shell in the installation process, and therefore the key is easy to fall in the installation direction.

Disclosure of Invention

The purpose of the utility model is that: the key fixing structure comprises a shell, a key fixing structure, a key fixing structure and an electronic device.

In order to achieve the above objective, an embodiment of the present utility model provides a key fixing structure, including a housing, a rotating shaft, and a key;

the shell is provided with a mounting opening; the rotating shaft is fixed in the shell and comprises an introduction part and a limiting part; the key can enter the shell from the mounting opening and is mounted on the rotating shaft, an elastic mounting piece is connected to the inner side of the key, the elastic mounting piece is provided with a mounting groove, and the mounting groove comprises an inner groove for accommodating the rotating shaft and an opening communicated with the inner groove;

the rotary shaft can be embedded into the inner groove through the guide-in part, the maximum width of the opening is a, the maximum width of the inner groove is b, the maximum width of the guide-in part is c, the maximum width of the limit part is d, and if the maximum diameter of the rotary shaft is f, b is more than or equal to f > d > a > c.

Preferably, the introduction portion is formed with an introduction surface that is arranged in parallel with a central axis of the rotation shaft and is arranged obliquely to an inlet end surface of the mounting port.

Further, an included angle k formed by the guide-in surface and the inlet end face of the mounting opening is smaller than 45 degrees.

Preferably, two of the guiding surfaces are provided, and the two guiding surfaces are symmetrical with respect to a central axis of the rotating shaft.

Preferably, a pressing portion for pressing the switch in the housing is formed on the inner side of the key.

Further, two pushing parts are arranged, and the two pushing parts are respectively positioned at two sides of the elastic mounting piece.

Preferably, the key is provided with a first outer side wall and a second outer side wall which are sequentially connected from top to bottom, and the first outer side wall extends obliquely from top to bottom and back to the elastic mounting piece; the mounting opening is provided with a first inner side wall and a second inner side wall which are sequentially connected from top to bottom, and the second inner side wall extends obliquely from top to bottom and back to the rotating shaft.

Preferably, the key fixing structure further comprises a limiting rib, and the limiting rib is fixedly connected to one side, away from the mounting port, of the rotating shaft;

the inside wall of mounting groove has been seted up and has been dodged the groove, works as the button is installed when the pivot, spacing rib embedding dodge the inslot.

Further, the elastic mounting piece comprises a first elastic part and a second elastic part which forms the mounting groove with the first elastic part, the second elastic part is separated by the avoidance groove to form two semi-elastic parts, the number of the limiting parts is two, and the two limiting parts are in one-to-one correspondence with the two semi-elastic parts; the length of the semi-elastic part is L, and the length of the limiting part is M, wherein L is more than 2M.

The utility model also provides electronic equipment, which comprises the key fixing structure.

Compared with the prior art, the key fixing structure provided by the utility model has the beneficial effects that: adopting a & gtc, in the process of installing the key to the rotating shaft, a gap is formed between the opening and the guide-in part, so that the rotating shaft can smoothly enter the opening through the guide-in part, and accurate alignment of the key and the rotating shaft is facilitated; adopting d & gta, in the process of installing the key to the rotating shaft, the opening can be in extrusion contact with the limiting part, and resistance for preventing the key from sliding out of the rotating shaft along the opening is provided, so that the key and the rotating shaft in the shell can be fixed in the installation process, and the key is prevented from falling in the installation direction; when the key is installed on the rotating shaft, the key can rotate around the central axis of the rotating shaft through the inner groove, so that the key can be adjusted after being installed on the rotating shaft.

Drawings

Fig. 1 is a schematic diagram of a key fixing structure according to an embodiment of the present utility model;

FIG. 2 is an enlarged schematic view of FIG. 1 at A;

FIG. 3 is a cross-sectional view of a key fixing structure according to an embodiment of the present utility model in a mounted state of a key;

FIG. 4 is a cross-sectional view of a key fixing structure according to an embodiment of the present utility model when the key is mounted;

FIG. 5 is a cross-sectional view of a housing provided by an embodiment of the present utility model;

FIG. 6 is a cross-sectional view of a key provided by an embodiment of the present utility model;

fig. 7 is a bottom view of a key fixing structure according to an embodiment of the present utility model.

In the figure, 1, a shell; 11. a mounting port; 101. a first inner sidewall; 102. a second inner sidewall;

2. a rotating shaft; 21. an introduction surface; 22. a limit part;

3. a key; 31. a pressing part; 32. a pressing part; 33. an inner concave portion; 301. a first outer sidewall; 302. a second outer sidewall;

4. an elastic mounting member; 40. a mounting groove; 41. an opening; 42. an inner tank; 43. a first elastic portion; 44. a second elastic part; 401. an avoidance groove;

a. maximum width of the opening; b. the maximum width of the inner trough; c. the maximum width of the leading-in part; d. the maximum width of the limit part; f. maximum diameter of the rotating shaft; k. an included angle formed by the leading-in surface and the horizontal plane; h. interference magnitude; l, the length of the half mounting groove; m, the length of the limiting part.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

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

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

As shown in fig. 1 to 6, the embodiment of the utility model provides a key fixing structure, which comprises a shell 1, a rotating shaft 2 and keys 3;

the shell 1 is provided with a mounting port 11; the rotating shaft 2 is fixed in the shell 1, and the rotating shaft 2 comprises an introduction part 21 and a limiting part 22; the key 3 can enter the shell 1 from the mounting opening 11 and is mounted on the rotating shaft 2, the inner side of the key 3 is connected with an elastic mounting piece 4, the elastic mounting piece 4 is provided with a mounting groove 40, and the mounting groove 40 comprises an inner groove 42 for accommodating the rotating shaft 2 and an opening 41 communicated with the inner groove 42;

the rotary shaft 2 can be inserted into the inner groove 42 through the introducing portion 21, the maximum width of the opening 41 is a, the maximum width of the inner groove 42 is b, the maximum width of the introducing portion 21 is c, the maximum width of the limiting portion 22 is d, and the maximum diameter of the rotary shaft 2 is f, where b is greater than or equal to f > d > a > c.

Based on the technical scheme, a is larger than c, in the process of installing the key 3 on the rotating shaft 2, the opening 41 can have a gap with the leading-in part 21, so that the rotating shaft 2 can smoothly enter the opening 41 through the leading-in part 21, and the accurate alignment of the key 3 and the rotating shaft 2 is facilitated; with d > a, in the process of mounting the key 3 to the rotary shaft 2, the opening 41 can be in pressing contact with the limiting part 22, and provides resistance for preventing the key 3 from sliding out of the rotary shaft 2 along the opening 41, so that the key 3 and the rotary shaft 2 in the housing 1 can be fixed in the mounting process, and the key 3 is prevented from falling in the mounting direction; when the key 3 is installed on the rotating shaft 2, the key 3 can rotate around the central axis of the rotating shaft 2 through the inner groove 42, so that the key 3 can be adjusted after being installed on the rotating shaft 2.

In this embodiment, the elastic mounting member 4 is made of plastic.

In this embodiment, the key 3 is made of plastic.

In the present embodiment, the elastic mount 4 is integrally formed on the inner side of the key 3.

The introduction portion 21 is formed with an introduction surface 211, and the introduction surface 211 is arranged parallel to the central axis of the rotary shaft 2 and is arranged obliquely to the inlet end surface of the mounting port 11. When the key 3 is introduced through the mounting opening 11 by using the inclined extending introduction surface 211, the elastic mounting member 4 is in contact with the introduction surface 211, the rotation shaft can be embedded into the mounting groove 40 along the direction inclined to the inlet end surface of the mounting opening 11 by using the introduction surface 211, the rotation shaft is embedded into the mounting groove 40, and the key 3 can be prevented from falling off in the mounting process by the resistance provided by the limiting part 22.

When the rotary shaft is embedded into the inner groove and the key needs to be pulled out from the direction perpendicular to the inlet end face of the mounting port, the width a of the opening 41 is smaller than the maximum diameter f of the rotary shaft, so that the key cannot be pulled out easily due to interference of the rotary shaft, and an included angle k formed by the leading-in surface 211 and the horizontal plane is smaller than 45 degrees.

In the present embodiment, two introduction surfaces 211 are provided, and the two introduction surfaces 211 are symmetrical about the central axis of the rotary shaft 2.

The push button 3 has a pressing portion 31 formed on the inner side thereof, and the pressing portion 31 presses a switch (not shown) in the housing 1.

In the present embodiment, two pressing portions 31 are provided, and the two pressing portions 31 are located on both sides of the elastic mount 4, respectively. The use of the shaft 2 and the elastic mount 4 can prevent the key 3 from pushing two switches at the same time. The two pushing parts 31 correspond to two switches with different functions respectively, the end of the key 3 away from the rotating shaft 2 is provided with a pressing part 32 and an inner concave part 33, the pressing parts 32 are in one-to-one correspondence with the pushing parts 31 and are respectively positioned at two sides of the inner concave part 33, and a user can push the switches by touching the pressing parts 32 so as to enable the pushing parts 31 to push the switches. The use of the concave portion 33 facilitates the user to distinguish between the two pressing portions 32 having different functions.

Referring to fig. 4, 5 and 6, the key 3 provided by the present utility model has a first outer sidewall 301 and a second outer sidewall 302 sequentially connected from top to bottom, the first outer sidewall 301 extends obliquely from top to bottom and faces away from the elastic mounting member 4; the mounting opening 11 has a first inner sidewall 101 and a second inner sidewall 102 connected in sequence from top to bottom, and the second inner sidewall 102 extends obliquely from top to bottom and away from the rotating shaft 2.

When the key 3 is mounted on the rotating shaft 2, the second outer sidewall 302 has a second interval from the first inner sidewall 101. The use of the first outer side wall 301 and the second inner side wall 102 extending obliquely reduces the risk of rotational interference of the key 3.

Referring to fig. 1, 2 and 7, in one embodiment, the key fixing structure further includes a limiting rib 5, where the limiting rib 5 is fixedly connected to a side of the rotating shaft 2 away from the mounting opening 11; the inside wall of the mounting groove 40 is provided with an avoidance groove 401, and when the key 3 is mounted on the rotating shaft 2, the limit rib 5 is embedded into the avoidance groove 401.

The avoidance groove 401 and the limiting ribs 5 are adopted to limit the key 3 to rotate 360 degrees around the rotating shaft 2 and prevent foolproof. Fool-proofing means "foolproof" of the process that "is performed by a person with inattention or a layperson without error, i.e., without special experience or special attention".

In this embodiment, the elastic mounting member 4 includes a first elastic portion 43 and a second elastic portion 44 forming a mounting groove 40 with the first elastic portion 43, the second elastic portion 44 is separated by an avoidance groove 401 to form two semi-elastic portions, the number of the limiting portions 22 is two, and the two limiting portions 22 are in one-to-one correspondence with the two semi-elastic portions; the semi-elastic portion has a length L, and the limit portion 22 has a length M, L > 2M. Even if the semi-elastic portion is worn by the limiting portion 22 during installation, at least half of the semi-elastic portion can be kept intact without affecting other functions.

The utility model also provides electronic equipment, which comprises the key fixing structure of any one of the above.

In summary, the key fixing structure provided by the embodiment of the utility model has the following beneficial effects:

1. by adopting a > c, in the process of installing the key 3 on the rotating shaft 2, the opening 41 can have a gap with the guiding part 21, so that the rotating shaft 2 can smoothly enter the opening 41 through the guiding part 21, and the accurate alignment of the key 3 and the rotating shaft 2 is facilitated.

2. With d > a, in the process of mounting the key 3 to the rotary shaft 2, the opening 41 can be in press contact with the limiting portion 22, and resistance is provided to prevent the key 3 from sliding out of the rotary shaft 2 along the opening 41, so that the key 3 can be fixed to the rotary shaft 2 in the housing 1 in the mounting process, and falling of the key 3 in the mounting direction can be avoided.

3. When the key 3 is installed on the rotating shaft 2, the key 3 can rotate around the central axis of the rotating shaft 2 through the inner groove 42, so that the key 3 can be adjusted after being installed on the rotating shaft 2.

4. The key 3 can be obliquely mounted on the rotating shaft 2 through the mounting opening 11 by using the obliquely extending guide-in surface 211, and the key 3 can be prevented from falling off in the mounting process by the resistance provided by the limiting part 22.

5. By adopting the design that the included angle k formed by the leading-in surface 211 and the horizontal plane is smaller than 45 degrees, the interference h between the opening 41 and the rotating shaft 2 can be not influenced by the leading-in surface 211.

6. The two pushing portions 31 are adopted and the two pushing portions 31 are respectively arranged at two sides of the elastic mounting member 4, so that the rotating shaft 2 and the elastic mounting member 4 can prevent the key 3 from pushing two switches at the same time.

7. The use of the first outer side wall 301 and the second inner side wall 102 extending obliquely reduces the risk of rotational interference of the key 3.

8. The adoption of the second interval and the limiting ribs 5 can play a role in limiting the key 3 to rotate 360 degrees around the rotating shaft 2 and prevent foolproof.

9. By adopting L & gt2M, even if the semi-elastic part is worn by the limiting part 22 during installation, at least more than half of the semi-elastic part can be kept intact without affecting other functions.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims

1. A key fixing structure, characterized by comprising:

the shell is provided with a mounting opening;

the rotating shaft is fixed in the shell and comprises an introduction part and a limiting part;

the key can enter the shell from the mounting opening and is mounted on the rotating shaft, an elastic mounting piece is connected to the inner side of the key, the elastic mounting piece is provided with a mounting groove, and the mounting groove comprises an inner groove for accommodating the rotating shaft and an opening communicated with the inner groove;

2. The key fixing structure according to claim 1, wherein the lead-in portion is formed with a lead-in surface arranged in parallel with a central axis of the rotation shaft and obliquely with an inlet end face of the mounting port.

3. The key fixing structure according to claim 2, wherein an angle k formed by the introduction surface and an inlet end surface of the mounting port is less than 45 °.

4. A key fixing structure according to any one of claims 2 to 3, wherein two of said lead-in surfaces are provided, and the two lead-in surfaces are symmetrical with respect to a central axis of said rotation shaft.

5. The key fixing structure according to claim 1, wherein a pressing portion for pressing the switch in the housing is formed on an inner side of the key.

6. The key fixing structure according to claim 5, wherein two pushing portions are provided, and the two pushing portions are located on both sides of the elastic mounting member, respectively.

7. The key fixing structure according to claim 1, wherein the key has a first outer sidewall and a second outer sidewall connected in sequence from top to bottom, the first outer sidewall extending obliquely from top to bottom and facing away from the elastic mounting member; the mounting opening is provided with a first inner side wall and a second inner side wall which are sequentially connected from top to bottom, and the second inner side wall extends obliquely from top to bottom and back to the rotating shaft.

8. The key fixing structure according to claim 2, further comprising a limit rib fixedly connected to a side of the rotating shaft away from the mounting port;

9. The key fixing structure according to claim 8, wherein the elastic mounting member includes a first elastic portion and a second elastic portion forming the mounting groove with the first elastic portion, the second elastic portion is separated by the avoiding groove to form two semi-elastic portions, the number of the limiting portions is two, and the two limiting portions are in one-to-one correspondence with the two semi-elastic portions; the length of the semi-elastic part is L, and the length of the limiting part is M, wherein L is more than 2M.

10. An electronic device comprising a key fixation structure as claimed in any one of claims 1-9.