CN211294918U

CN211294918U - Device with key structure

Info

Publication number: CN211294918U
Application number: CN201922169431.1U
Authority: CN
Inventors: 郑小波
Original assignee: Shenzhen Lutuo Technology Co Ltd
Current assignee: Shenzhen Lutuo Technology Co Ltd; Shenzhen Lumi United Technology Co Ltd
Priority date: 2019-12-06
Filing date: 2019-12-06
Publication date: 2020-08-18
Anticipated expiration: 2029-12-06

Abstract

An embodiment of the utility model provides an equipment with button structure, including casing, fixed axle sleeve, circuit board subassembly and button. The shell is provided with a mounting hole; the fixed shaft sleeve is connected to the shell along the edge of the mounting hole and is positioned on one side of the shell, and the fixed shaft sleeve is provided with a first locking part; the circuit board assembly comprises a circuit board and a switch contact, the circuit board is fixed on the shell and is positioned on the same side of the shell as the fixed shaft sleeve, and the switch contact is mounted on the circuit board and faces the mounting hole; the button sliding sleeve is arranged in the fixed shaft sleeve and selectively contacts or separates with the switch contact in the sliding process, and the button is provided with a second locking part which is assembled and connected with the first locking part. The utility model provides an equipment with button structure through set up first locking portion on the fixed axle sleeve, sets up second locking portion on the button, second locking portion and first locking portion be assembled between/be connected between, and the button rotates the virtual risk such as pressing that arouses around the axis of mounting hole when avoiding pressing the button.

Description

Device with key structure

Technical Field

The utility model relates to a button technical field particularly, relates to an equipment with button structure.

Background

The electronic product key structure has wide coverage range and various assembly forms. The existing key assembly mode is single, hot melt assembly is mainly used, however, the hot melt cost and the hot melt defective rate are high, the key is easy to scrap when being disassembled, and the cost is increased. And current button assembly is not stable enough for the user is when pressing, and the button appears rocking easily and arouses phenomena such as key cap dislocation hand or virtual pressing, can't satisfy user's demand.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the utility model is to provide an equipment with button structure to solve above-mentioned problem. The embodiment of the utility model provides an above-mentioned purpose is realized through following technical scheme.

An embodiment of the utility model provides an equipment with button structure, including casing, fixed axle sleeve, circuit board subassembly and button. The shell is provided with a mounting hole; the fixed shaft sleeve is connected to the shell along the edge of the mounting hole and is positioned on one side of the shell, and the fixed shaft sleeve is provided with a first locking part; the circuit board assembly comprises a circuit board and a switch contact, the circuit board is fixed on the shell and is positioned on the same side of the shell as the fixed shaft sleeve, and the switch contact is mounted on the circuit board and faces the mounting hole; the button sliding sleeve is arranged in the fixed shaft sleeve and selectively contacts or separates with the switch contact in the sliding process, and the button is provided with a second locking part which is assembled and connected with the first locking part and used for limiting the button to rotate around the axis of the mounting hole.

In one embodiment, the first locking portion includes a notch disposed on the fixed shaft sleeve, the notch penetrates through an end of the fixed shaft sleeve away from the housing, and the second locking portion includes a protruding portion disposed on the key, the protruding portion being embedded in the notch.

In an embodiment, the fixed shaft sleeve comprises a fixed end and a clamping end which are opposite to each other, the fixed end is fixedly connected with the shell, the notch is formed in the clamping end, the first locking portion further comprises a limiting buckle arranged at the clamping end, the limiting buckle is arranged in the notch, the second locking portion further comprises a limiting groove arranged on the key, and the limiting buckle is embedded into the limiting groove.

In one embodiment, the protruding portion includes a first protruding portion and a second protruding portion, the first protruding portion and the second protruding portion are spaced apart from each other, and the limiting groove is formed between the first protruding portion and the second protruding portion.

In one embodiment, the key comprises a cylinder and an abutting part, wherein the cylinder comprises an inner wall and an outer wall which are opposite to each other, the inner wall encloses an installation space, the abutting part is connected to the cylinder and located in the installation space, and the abutting part is selectively contacted with or separated from the switch contact in the key sliding process.

In one embodiment, the limit groove extends through an end surface of the post near an end of the switch contact.

In one embodiment, the key further includes a pressing portion connected to the pillar and exposed from the mounting hole, and the abutting portion is connected to the pressing portion and the inner wall.

In one embodiment, the fixed bushing is integral with the housing.

In one embodiment, the fixed shaft sleeve is of a light guide structure, and the fixed shaft sleeve is at least partially exposed out of the mounting hole.

In one embodiment, the fixing boss includes a light guide portion and a mounting portion protruding outward from the light guide portion, the mounting portion is fixed to the case, and the light guide portion is exposed from the mounting hole.

Compared with the prior art, the utility model provides an equipment with button structure through set up first locking portion on the fixed axle sleeve, sets up second locking portion on the button, second locking portion and first locking portion be assembled between/be connected, and the button is rotated the virtual risk such as arousing around the axis of mounting hole when avoiding pressing the button.

These and other aspects of the invention will be apparent from and elucidated with reference to the embodiments described hereinafter.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be 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 application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a device having a key structure according to an embodiment of the present invention at a viewing angle.

Fig. 2 is a schematic structural diagram of a housing of an apparatus having a key structure according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a fixing shaft sleeve of an apparatus having a key structure according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a fixing shaft sleeve of a device having a key structure according to an embodiment of the present invention.

Fig. 5 is a schematic structural diagram of an apparatus having a key structure according to an embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a key of an apparatus having a key structure according to an embodiment of the present invention.

Fig. 7 is a schematic structural diagram of a device having a key structure according to an embodiment of the present invention at another viewing angle.

FIG. 8 is a cross-sectional view taken along A-A of FIG. 7

Detailed Description

In order to facilitate understanding of the embodiments of the present invention, the embodiments of the present invention will be described more fully below with reference to the accompanying drawings. The preferred embodiments of the present invention are shown in the drawings. The invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the embodiments of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 and 2 together, an embodiment of the present invention provides an apparatus 1 having a key structure, which includes a housing 10, a fixed shaft sleeve 20, a circuit board assembly 40, and a key 30. The shell 10 is provided with a mounting hole 11; the fixed shaft sleeve 20 is connected to the housing 10 along the edge of the mounting hole 11 and located at one side of the housing 10, and the fixed shaft sleeve 20 is provided with a first locking part 22; the circuit board assembly 40 comprises a circuit board 42 and a switch contact 44, the circuit board 42 is fixed on the housing 10 and is located on the same side of the housing 10 as the fixed shaft sleeve 20, and the switch contact 44 is mounted on the circuit board 42 and faces the mounting hole 11; the push button 30 is slidably sleeved in the fixed shaft sleeve 20 and selectively contacts or separates from the switch contact 44 during sliding, the push button 30 is provided with a second locking part 31, and the second locking part 31 is assembled and connected with the first locking part 22 and used for limiting the push button 30 to rotate around the axis of the mounting hole 11.

Specifically, in the present embodiment, the housing 10 is substantially hemispherical. The housing 10 can be used for mounting the fixed shaft sleeve 20 and the circuit board 42, and one end of the housing 10 is opened with an opening, and the other end is opened with a mounting hole 11. The mounting hole 11 may be located in the middle of the housing 10, and the mounting hole 11 may be a circular hole, and may be used to mount the key 30, such that the key 30 may move along the axis of the mounting hole 11 and control the on/off of the circuit.

In other embodiments, the housing 10 may have other shapes, such as a square shape or a cylindrical shape, and the specific shape may be set as required to fit the fixing sleeve 20 and the circuit board 42.

In some embodiments, the mounting hole 11 may also not be located in the middle of the housing 10. In other embodiments, the mounting hole 11 may be an elliptical hole, a square hole, a hexagonal hole, or the like, which is sufficient for mounting the key 30.

The shell 10 comprises an inner surface 13 and an outer surface 15 which are opposite to each other, the mounting hole 11 penetrates through the inner surface 13 and the outer surface 15, the outer surface 15 can be exposed to the outside as an appearance surface, and the inner surface 13 is located on the inner side of the shell 10 and faces the circuit board 42, and can be used for mounting and fixing structures such as the shaft sleeve 20 and the circuit board 42.

The housing 10 is further provided with mounting posts 17, the mounting posts 17 projecting from the inner surface 13 in a direction away from the outer surface 15, the mounting posts 17 being adapted to mount the circuit board 42. Mounting post 17 may be internally threaded to mate with a fastener. In the present embodiment, the number of the mounting posts 17 may be four, and four mounting posts 17 may be arranged in a rectangular array around the mounting hole 11. In other embodiments, the number of the mounting posts 17 may be two, three, five or more, which is sufficient for mounting the circuit board 42.

Referring to fig. 1 and 3, the fixing shaft sleeve 20 is substantially hollow and cylindrical, and the fixing shaft sleeve 20 is fixedly installed on the housing 10, wherein the fixing manner may be clamping, screwing, bonding, ultrasonic welding, welding or integral forming. In the present embodiment, the fixed boss 20 is provided integrally with the housing 10.

The fixing boss 20 is coupled to the housing 10 along an edge of the mounting hole 11 and is positioned at one side of the housing 10, and the fixing boss 20 is provided with a first locking portion 22. The first locking portion 22 includes a notch 221 and a stop buckle 223, the notch 221 is disposed on the fixed sleeve 20, the notch 221 penetrates through an end of the fixed sleeve 20 far from the housing 10, the stop buckle 223 is disposed in the notch 221 and divides the notch 221 into a first notch 2212 and a second notch 2214, wherein the widths of the first notch 2212 and the second notch 2214 may be the same, that is, the stop buckle 223 may be located in the middle of the notch 221. The stopper 223 may protrude in a direction away from the housing 10.

In the present embodiment, the first locking portion 22 includes two notches 221, and the two notches 221 are disposed along a circumferential direction perpendicular to the axis of the mounting hole 11 and located at both radial ends of the fixed sleeve 20. In other embodiments, the first locking portion 22 may further include one notch 221, three notches 221, or four notches 221, which are matched with the second locking portion 31.

The fixing sleeve 20 includes a fixing end 24 and a locking end 26 opposite to each other, wherein the fixing end 24 is fixedly connected to the housing 10, the stopper 223 and the notch 221 are both disposed at the locking end 26, and the locking end 26 can be used to lock the key 30, so as to prevent the key 30 from rotating around the axis of the mounting hole 11 when the key 30 is pressed.

Referring to fig. 2, 4 and 5, in an embodiment, the fixing shaft sleeve 60 may also be of a light guide structure, and at this time, the fixing shaft sleeve 60 may be at least partially exposed from the mounting hole 11 to guide light out of the mounting hole 11 from the fixing shaft sleeve 60, so that a user may know a state of the device 1 having the key structure. The position of the key 30 can also be indicated in an environment with insufficient light, so that the user can use the keyboard conveniently.

In the present embodiment, the fixing boss 60 includes a light guide portion 62 and a mounting portion 64 protruding outward from the light guide portion 62, such that the longitudinal section of the fixing boss 60 is substantially "T" shaped, the mounting portion 64 is fixed to the housing 10, and the light guide portion 62 is exposed from the mounting hole 11. The mounting portion 64 is generally a circular plate-like structure and may be fixed by screwing or the like. The mounting portion 64 is connected to a side of the middle portion of the light guide portion 62 close to the housing 10, and divides the light guide portion 62 into two portions parallel to an axis of the mounting hole 11, wherein a portion close to the housing 10 may extend out of the mounting hole 11, and a portion away from the housing 10 is used for engaging with the key 30.

Referring to fig. 1, 3 and 6, the push button 30 is substantially hollow and cylindrical, the push button 30 is provided with a second locking portion 31, the second locking portion 31 is located at an end of the push button 30 away from the housing 10, and the second locking portion 31 is assembled with the first locking portion 22 and is used for limiting the push button 30 to rotate around the axis of the mounting hole 11 (as shown in fig. 2). Specifically, the second locking portion 31 includes a protrusion 312 disposed on the key 30, and the protrusion 312 is inserted into the notch 221. As an embodiment, the protruding portion 312 includes a first protruding portion 3122 and a second protruding portion 3124, the first protruding portion 3122 and the second protruding portion 3124 are both disposed at the key 30, the first protruding portion 3122 and the second protruding portion 3124 are disposed at an interval, the first protruding portion 3122 may be embedded in the first gap 2212, and the second protruding portion 3124 may be embedded in the second gap 2214, so as to avoid a false press caused by the rotation of the key 30 around the axis of the mounting hole 11 when the key 30 is pressed, thereby avoiding an influence on the pressing feeling for use.

The second locking portion 31 further includes a limiting groove 314 disposed on the button 30, and the limiting groove 314 is formed between the first protrusion 3122 and the second protrusion 3124. The retaining groove 314 also extends through the end surface of the post 33 near the end of the switch contact 44. The limit button 223 is embedded into the limit groove 314, a gap is formed between the limit button 223 and the key 30, the limit button 223 can move along the axis direction parallel to the mounting hole 11, the key 30 can be pressed, and in addition, the limit groove 314 is matched with the limit button 223, so that the key 30 cannot be separated from the fixed shaft sleeve 20 in the moving process.

The push button 30 includes a column 33 and an abutting portion 35, the second locking portion 31 is disposed on the column 33, the column 33 is a hollow cylinder with upper and lower openings, the protruding portion 312 protrudes from the column 33 in a direction away from the axis of the column 33, the column 33 includes an inner wall 331 and an outer wall 333 that are opposite to each other, wherein the inner wall 331 defines an installation space, and the outer wall 333 is opposite to the hole wall of the installation hole 11. In this embodiment, the abutting portion 35 includes two plates connected vertically, that is, the abutting portion 35 has a cross-section substantially in the shape of a cross, the abutting portion 35 is connected to the column 33 and located in the installation space, the abutting portion 35 is further connected to the inner wall 331, a middle portion of the abutting portion 35 protrudes along the axial direction of the column 33 to form an abutting surface 351, and the abutting surface 351 can selectively contact with or separate from the switch contact 44 during the sliding process of the key 30, so as to achieve the function of controlling the switch.

The abutting portion 35 may also be provided with an elastic member inside to provide a restoring force of the key 30, it being understood that the abutting portion 35 itself may also have elasticity.

In other embodiments, the abutting portion 35 may have a cylindrical shape or another shape, and may be configured to selectively contact or separate the switch contact 44.

The push button 30 further includes a pressing portion 37, in this embodiment, the pressing portion 37 is substantially a circular plate, an edge of the pressing portion 37 is in contact with an outer peripheral wall of the column 33, the pressing portion 37 is connected to the column 33 and exposed from the mounting hole 11, and the pressing portion 37 is further connected to the abutting portion 35. The pressing portion 37 can be pressed by a user to move the key 30 toward the switch contact 44.

Referring to fig. 7 and 8, the circuit board 42 is fixed to the housing 10 and located on the same side of the housing 10 as the fixing shaft sleeve 20, specifically, the circuit board 42 is substantially circular and corresponds to the opening of the housing 10, the circuit board 42 may be provided with a plurality of screw holes 421, and the positions of the screw holes 421 correspond to the positions of the mounting posts 17, so that the fastening members pass through the screw holes 421 and are screwed with the mounting posts 17, thereby implementing the mounting of the circuit board 42 on the mounting posts 17 on the housing 10.

The switch contact 44 is attached to the circuit board 42 and faces the mounting hole 11, and the switch contact 44 corresponds to the contact portion 35, so that the contact portion 35 can be brought into contact with the switch contact 44 when the push button 30 is moved along the axis of the mounting hole 11 (fig. 2). The switch contact 44 may be used to control the circuit on or off.

The circuit board 42 may further be provided with an indicator light, the device 1 with the key structure may be connected to a power supply, the indicator light may be electrically connected to the power supply, the indicator light may be used to display a state of the device 1 with the key structure, for example, when the device 1 with the key structure is in a pressed state, the indicator light may emit light, and when the device 1 with the key structure is in a popped state, the indicator light may be turned off.

To sum up, the utility model provides an equipment 1 with button structure through set up first locking portion 22 on fixed axle sleeve 20, sets up second locking portion 31 on the button 30, and second locking portion 31 and first locking portion 22 be assembled between/be connected, and the button 30 is pressed risk such as the virtual that arouses around the axis rotation of mounting hole 11 when avoiding pressing button 30.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. An apparatus having a key structure, comprising:

the shell is provided with a mounting hole;

the fixing shaft sleeve is connected to the shell along the edge of the mounting hole and positioned on one side of the shell, and the fixing shaft sleeve is provided with a first locking part;

the circuit board assembly comprises a circuit board and a switch contact, the circuit board is fixed on the shell and is positioned on the same side of the shell as the fixed shaft sleeve, and the switch contact is mounted on the circuit board and faces the mounting hole; and

the key is sleeved in the fixed shaft sleeve in a sliding mode and selectively contacted with or separated from the switch contact in the sliding process, and is provided with a second locking part which is assembled and connected with the first locking part and used for limiting the key to rotate around the axis of the mounting hole.

2. The device with key structure as claimed in claim 1, wherein the first locking portion includes a notch provided in the fixed sleeve, the notch penetrating through an end of the fixed sleeve away from the housing, and the second locking portion includes a protrusion provided in the key, the protrusion being embedded in the notch.

3. The device with a key structure according to claim 2, wherein the fixing sleeve includes a fixing end and a fastening end opposite to each other, the fixing end is fixedly connected to the housing, the notch is disposed at the fastening end, the first locking portion further includes a limit buckle disposed at the fastening end, the limit buckle is disposed in the notch, the second locking portion further includes a limit groove disposed at the key, and the limit buckle is embedded in the limit groove.

4. A device having a key arrangement according to claim 3, wherein said protrusion includes a first protrusion and a second protrusion, said first protrusion being spaced apart from said second protrusion, said retention groove being formed between said first protrusion and said second protrusion.

5. The device with a key structure according to claim 1, wherein the key comprises a cylinder and an abutting portion, the cylinder comprises an inner wall and an outer wall which are opposite to each other, the inner wall encloses an installation space, the abutting portion is connected to the cylinder and located in the installation space, and the abutting portion is selectively contacted with or separated from the switch contact during sliding of the key.

6. The device with a key structure according to claim 5, wherein the second locking portion further comprises a limiting groove penetrating through an end surface of the cylinder near one end of the switch contact.

7. The device with a key structure according to claim 6, wherein the key further comprises a pressing portion connected to the post and exposed from the mounting hole, and the abutting portion is connected to the pressing portion and the inner wall.

8. A device having a key structure according to any one of claims 1-7, characterised in that said fixed bushing is integral with said casing.

9. The device with key structure of any one of claims 1-7, wherein the fixing sleeve is a light guide structure and at least partially exposed from the mounting hole.

10. The device with key structure according to claim 9, wherein said fixing boss includes a light guide portion and a mounting portion protruding outward from said light guide portion, said mounting portion being fixed to said case, said light guide portion being exposed from said mounting hole.