CN211182034U

CN211182034U - Key assembly and mobile power supply

Info

Publication number: CN211182034U
Application number: CN201922021456.7U
Authority: CN
Inventors: 雷桂斌
Original assignee: Shenzhen Romoss Technology Co Ltd
Current assignee: Shenzhen Romoss Technology Co Ltd
Priority date: 2019-11-21
Filing date: 2019-11-21
Publication date: 2020-08-04
Anticipated expiration: 2029-11-21

Abstract

The utility model relates to a button subassembly and portable power source, button subassembly include shell and button, and the mounting hole has been seted up to the shell lateral wall, still is equipped with the reference column, and the mounting hole is worn to locate by the depth direction of mounting hole can be followed to the main part of button, and appears in the shell, and the locating hole has been seted up to the support arm, and the support arm can take place to deform so that the reference column holding is in the locating hole, and makes the button can dismantle with the shell and be connected. When the key assembly is installed, a user penetrates the main body into the installation hole along the depth direction of the installation hole, the support arm deforms and abuts against the positioning column, the user continues to press the main body, and the support arm slides relative to the positioning column to enable the positioning column to be contained in the positioning hole, so that the installation of the key is realized. When the key needs to be separated from the mounting hole, a user pushes the support arm to separate the positioning column from the positioning hole and drive the main body to be separated from the shell. The key assembly is simple in structure, can be mounted on or separated from the shell, and is efficient in operation process.

Description

Key assembly and mobile power supply

Technical Field

The utility model relates to a portable power source's technical field especially relates to a button subassembly and portable power source.

Background

The installation of power supply keys in the general mobile power supply industry can be realized by melting plastic, pressing and assembling and other modes, when the keys are melted, the keys in the charger cannot be detached, and other parts can be damaged; when the key is assembled through press fitting, the installation direction of the key and other parts is inconsistent, and the key is easy to loosen or misplace.

SUMMERY OF THE UTILITY MODEL

Therefore, it is necessary to provide a key assembly and a portable power source for solving the problems of the portable power source that a power key is detachable and has a simple structure.

A key assembly, comprising:

the shell comprises a bottom wall and a side wall extending from the edge of the bottom wall, the bottom wall and the side wall form an accommodating cavity, the side wall is provided with a mounting hole, and the shell is also provided with a positioning column which is accommodated in the accommodating cavity; and

the key comprises a main body and a support arm connected to the main body, wherein the support arm is provided with a positioning hole; the main body can penetrate into the mounting hole from the inner side of the side wall along the depth direction of the mounting hole and is exposed out of the shell, so that the support arm is positioned on one side of the main body facing the accommodating cavity, and the positioning column is clamped in the positioning hole; the support arm can also deform to enable the positioning column to be separated from the positioning hole, and the key can be detached from the shell.

In the installation process of the key assembly, a user holds the edge of the main body, the main body penetrates into the installation hole along the depth direction of the installation hole, the support arm deforms and abuts against the positioning column, the user continues to press the main body, the support arm slides relative to the positioning column to enable the positioning column to be contained in the positioning hole, and then the installation of the key is achieved. When the key needs to be separated from the mounting hole, a user pushes the support arm, the support arm deforms and enables the positioning column to be separated from the positioning hole, and at the moment, the support arm is restored to be in a natural state and drives the main body to be separated from the shell. The key assembly is simple in structure, can be mounted on or separated from the shell, and is efficient in operation process.

In one embodiment, a guide groove is formed in one side, facing the bottom wall, of the support arm, the guide groove extends to the edge, facing away from the main body, of the support arm, and the positioning hole is formed in the bottom of the guide groove; in the process that the main body penetrates into the mounting hole, the positioning column can be abutted against the bottom of the guide groove and slides into the positioning hole relative to the bottom of the guide groove.

In one embodiment, the bottom of the guide groove has a guide surface extending from the end of the arm away from the main body to the main body, and the positioning column can slide into the guide groove along the guide surface.

In one embodiment, the positioning column includes a first inclined surface, the first inclined surface is disposed opposite to the side wall, and the positioning column can slide along the guide groove to abut against the hole wall of the positioning hole, so that the hole wall of the positioning hole slides along the first inclined surface until the positioning column is accommodated in the positioning hole.

In one embodiment, one side of the positioning hole close to the bottom wall is provided with a second inclined surface, and the support arm can deform so that the second inclined surface slides out of the positioning hole along the outer side of the positioning column.

In one embodiment, the main body includes a pressing portion and a supporting portion, the supporting portion is disposed around the pressing portion, the pressing portion penetrates through the mounting hole, the supporting portion is supported on the inner side of the side wall, and the supporting arm is connected to the supporting portion.

In one embodiment, the main body further includes a connecting portion, two ends of the connecting portion are respectively connected to the pressing portion and the abutting portion, and a space is formed between the pressing portion and the abutting portion.

In one embodiment, the housing is further provided with a first limiting rib, the first limiting rib is accommodated in the accommodating cavity, and the positioning column is connected to one side of the first limiting rib, which is back to the bottom wall; when the positioning column is contained in the positioning hole, the supporting arm abuts against the first limiting rib.

In one embodiment, the number of the first limiting ribs is at least two, two of the first limiting ribs are connected to the shell at intervals and are arranged oppositely, and the shell is further provided with a second limiting rib which is connected to the two of the first limiting ribs and is located between the two of the first limiting ribs.

A mobile power supply comprises the key assembly.

Drawings

FIG. 1 is a perspective view of a housing of a key assembly in an embodiment;

fig. 2 is an enlarged view of a key assembly shown in fig. 1 at a;

FIG. 3 is a perspective view of a key of the key assembly according to an embodiment;

FIG. 4 is a cross-sectional view of a key assembly in accordance with an embodiment;

fig. 5 is an enlarged view of the key assembly shown in fig. 4 at B;

fig. 6 is a perspective view of another perspective view of the key assembly shown in fig. 3.

Detailed Description

In order to facilitate understanding of the present invention, the present invention will be described more fully hereinafter with reference to the accompanying drawings. 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.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

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 in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

In one embodiment, a mobile power supply is provided, which can be used to charge an electronic device when the electronic device used by a user is low in power. In one embodiment, the mobile power supply includes a key assembly 10, and the key assembly 10 may be a power key or a key for other functions.

Referring to fig. 1, 3 and 4, in an embodiment, the key assembly 10 includes a housing 100 and a key 200, where the housing 100 is a housing 100 of a mobile power source, and the key 200 is mounted on the housing 100 to touch a component of the mobile power source. Specifically, the bottom wall 110 of the housing 100 and the side wall 120 extending from the edge of the bottom wall 110 form a receiving cavity 130, the mounting hole 121 is opened in the side wall 120 of the housing 100, the key 200 includes a main body 210 and a support arm 220 connected to the main body 210, the support arm 220 may be a member having certain elasticity, so that the support arm 220 may deform and have elastic restoring force, the main body 210 can penetrate into the mounting hole 121 from the inner side of the side wall 120 along the depth direction of the mounting hole 121, that is, the extension line in the depth direction is perpendicular to the side wall 120 of the housing 100, and the main body 210 is exposed on the housing 100. Wherein, the circumference size of main part 210 and the mutual adaptation in aperture of mounting hole 121 to make the main part 210 more firm with the assembly structure of shell 100, when the user pressed main part 210, because the clearance between main part 210 and the mounting hole 121 is less, can reduce the condition emergence that external dust got into in the shell 100, guarantee the sensitivity of shell 100 internals. Referring to fig. 2, in an embodiment, the housing 100 further includes a positioning column 140, the positioning column 140 is received in the receiving cavity 130, the supporting arm 220 is located on a side of the main body 210 facing the receiving cavity 130 and has a positioning hole 221, and the positioning column 140 is engaged with the positioning hole 221. When the main body 210 is mounted in the mounting hole 121, the positioning hole 221 of the supporting arm 220 and the positioning post 140 are engaged with each other, so that the key 200 can be limited on the housing 100 and is not easy to fall off.

In one embodiment, the supporting arm 220 can be elastically deformed to make the positioning post 140 fall out of the positioning hole 221, and the key 200 can be detached from the housing. Specifically, when the user needs to mount the key 200 to the mounting hole 121, the user can pinch a portion of the main body 210, align the main body 210 with the mounting hole 121, and push the main body 210 from the inner side of the sidewall 120 along the depth direction of the mounting hole 121, so that the main body 210 is substantially accommodated in the mounting hole 121, the main body 210 can be penetrated to drive the supporting arm 220 to elastically deform, and the portion of the supporting arm 220 away from the main body 210 abuts against the positioning post 140, when the user continues to push the main body 210, the supporting arm 220 can slide relative to the positioning post 140, so that the positioning post 140 is accommodated in the positioning hole 221, at this time, the user releases the finger, the supporting arm 220 loses the abutting force to recover the elastic deformation, and the main body 210 and the supporting arm 220 are respectively connected to the housing 100 relatively stably, so as to. Or, when the key 200 is damaged or the key 200 needs to be taken out of the housing 100, the user can push the supporting arm 220, the supporting arm 220 is elastically deformed due to the acting force, and the positioning hole 221 is disengaged from the positioning column 140, when the user releases his hand, the supporting arm 220 releases the elastic force to return to the natural state, and further the main body 210 is driven to disengage from the mounting hole 121, so as to separate the key 200.

In the installation process of the key assembly 10, a user pinches the edge of the main body 210, and the main body 210 penetrates into the installation hole 121 along the depth direction of the installation hole 121, at this time, the support arm 220 deforms and abuts against the positioning column 140, the user continues to press the main body 210, and the support arm 220 slides relative to the positioning column 140 so that the positioning column 140 is accommodated in the positioning hole 221, thereby implementing the installation of the key 200. When the key 200 needs to be removed from the mounting hole 121, the user pushes the supporting arm 220, the supporting arm 220 deforms and the positioning post 140 is separated from the positioning hole 221, and at this time, the supporting arm 220 returns to the natural state and drives the main body 210 to be separated from the housing 100. The key assembly 10 has a simple structure, and can be mounted on or separated from the housing 100, and the operation process is efficient.

Referring to fig. 3, 4 and 5, in an embodiment, a guide groove 223 is formed on a side of the support arm 220 facing the bottom wall 110, the guide groove 223 extends to an edge of the support arm 220 facing away from the main body 210, the positioning hole 221 is formed at a bottom of the guide groove 223, and during the process that the main body 210 penetrates into the mounting hole 121, the positioning column 140 can abut against the bottom of the guide groove 223 and slide into the positioning hole 221 relative to the bottom of the guide groove 223. Specifically, in the process that the user mounts the key 200 on the housing 100, the user pushes the main body 210 while the supporting arm 220 abuts against the positioning post 140 and deforms, and at this time, the positioning post 140 can abut against the bottom of the guiding groove 223, and when the supporting arm 220 continues to slide relative to the positioning post 140 due to external force, the positioning post 140 slides into the positioning hole 221 from the bottom of the guiding groove 223. It can be understood that the aperture of the positioning hole 221 is slightly larger than the circumferential diameter of the positioning column 140, so that the positioning column 140 and the positioning hole 221 can be more smoothly installed or separated. For example, when the user needs to mount the button 200 on the housing 100, the user presses the supporting arm 220 to deform the supporting arm 220, the supporting arm 220 slides relative to the positioning post 140, and when the supporting arm 220 slides until the opening of the positioning hole 221 coincides with the positioning post 140, the user does not need to apply a large force to the supporting arm 220, and the positioning post 140 can be easily accommodated in the positioning hole 221, so that the operation is easy. Or, when the user needs to separate the key 200 from the housing 100, since the positioning hole 221 and the positioning column 140 have a certain gap, when the user pushes the supporting arm 220 to separate the positioning column 140 from the positioning hole 221, the acting force does not need to be large, and the gap is set to make the separation of the key 200 easier and the operation is convenient.

It can be understood that the positioning hole 221 may penetrate through the support arm 220, that is, when the positioning pillar 140 penetrates through the positioning hole 221, the positioning pillar 140 may be exposed out of the support arm 220, so that the positioning pillar 140 and the positioning hole 221 are more firmly accommodated and are not easily detached. Alternatively, the positioning hole 221 may not penetrate through the support arm 220, i.e., when the positioning post 140 is received in the positioning hole 221, the positioning post 140 is not exposed from the other side of the support arm 220.

Referring to fig. 5 and 6, in one embodiment, the bottom of the guide groove 223 has a guide surface 225, the guide surface 225 extends from the end of the arm 220 away from the main body 210 toward the main body 210, and the positioning post 140 can slide along the guide surface 225 into the guide groove 223. Specifically, the guiding surface 225 may be an inclined surface, and when the positioning post 140 slides from the edge of the support arm 220 along the guiding surface 225 to the bottom of the guiding groove 223, the guiding surface 225 may guide the positioning post 140 and buffer the positioning post 140 to prevent the positioning post 140 from being damaged.

Referring to fig. 5 and fig. 6, in an embodiment, the positioning pillar 140 includes a first inclined surface 141, the first inclined surface 141 is disposed opposite to the side wall 120, and the positioning pillar 140 can slide along the guiding groove 223 to abut against the wall of the positioning hole 221, so that the wall of the positioning hole 221 slides along the first inclined surface 141 until the positioning pillar 140 is received in the positioning hole 221. Specifically, in the process that the main body 210 penetrates into the mounting hole 121, the user aligns the main body 210 with the mounting hole 121 and presses the main body to cause the supporting arm 220 to be pressed and abut against the positioning column 140, the user continues to apply an acting force, the positioning column 140 slides into the guide groove 223 from the guide surface 225 of the guide groove 223, when the top end of the positioning column 140 slides to abut against the left hole wall of the positioning hole 221 (at this time, the left side or the right side of the positioning hole 221 is based on the orientation shown in fig. 5), the positioning column 140 stops sliding to the left, and the right hole wall of the positioning hole 221 can slide along the first side surface of the positioning column 140 to cause the positioning column 140 to slide into the positioning hole 221, and at this time, the key 200 completely penetrates through the mounting hole 121, thereby achieving.

Referring to fig. 5 and 6, in an embodiment, a side of the positioning hole 221 close to the bottom wall 110 has a second inclined surface 227, and the supporting arm 220 can be deformed to make the second inclined surface 227 slide out of the positioning hole 221 along the outer side of the positioning pillar 140. Specifically, in the process that the main body 210 is separated from the mounting hole 121, a user pushes one side of the supporting arm 220 facing away from the main body 210, one end of the supporting arm 220 facing away from the main body 210 is lifted and deformed, and meanwhile, the supporting arm 220 drives the second inclined surface 227 to slide upwards along the left side of the positioning column 140 (at this time, the upper, lower, left and right directions are based on the direction shown in fig. 5), so that the positioning column 140 is separated from the positioning hole 221, and the separation of the supporting arm 220 further drives the main body 210 to be separated from the mounting hole 121, thereby realizing the separation of the key 200.

It can be understood that the first inclined surface 141 and the second inclined surface 227 not only serve as a guide for the positioning post 140, but also serve as a buffer for reducing the impact force between the positioning post 140 and the supporting arm 220 during the sliding process of the positioning post 140.

In another embodiment, the size of the notch of the guiding groove 223 is larger than the diameter of the positioning hole 221, so that the first inclined surface 141 facilitates the sliding process between the positioning post 140 and the positioning hole 221 to be smoother. The second inclined plane 227, the second inclined plane 227 and the guide surface 225 are arranged in the installation process of the key 200, so that the key 200 can be installed or separated with a guide effect, a user can achieve a technical effect without applying a large acting force to the support arm 220, and the operation process is more efficient.

Referring to fig. 1 and 3, in an embodiment, the main body 210 may be made of plastic and slidably disposed in the mounting hole 121, the main body 210 includes a pressing portion 211 and a supporting portion 213, the supporting portion 213 is disposed around the circumference of the pressing portion 211, the pressing portion 211 is disposed in the mounting hole 121, the supporting portion 213 is supported inside the housing 100, and the supporting arm 220 is connected to the supporting portion 213. In conjunction with fig. 2, specifically, the circumferential direction of the pressing portion 211 and the shape of the mounting hole 121 are adapted to each other, so that the pressing portion 211 is slidably inserted into the mounting hole 121. The abutting portion 213 is substantially annular and connected to the edge of the pressing portion 211, and when the pressing portion 211 is mounted in the mounting hole 121, the abutting portion 213 can abut against the edge of the mounting hole 121, so as to prevent the main body 210 from coming out of the mounting hole 121, and the positioning hole 221 of the supporting arm 220 can accommodate the positioning post 140 therein.

Referring to fig. 1 and 3, in an embodiment, the main body 210 further includes a connecting portion 215, and two ends of the connecting portion 215 are respectively connected to the pressing portion 211 and the abutting portion 213, so that a space 217 exists between the pressing portion 211 and the abutting portion 213. Specifically, the two connecting portions 215 may be substantially strip-shaped, and the two connecting portions 215 may also be disposed at an interval 217 and located on the same side of the pressing portion 211, so that the pressing portion 211, the connecting portions 215 and the abutting portion 213 enclose an empty slot. Referring to fig. 2, the material of the abutting portion 213 may also be an element with a certain elasticity, when the user presses the pressing portion 211, the abutting portion 213 may also deform, and the connection point of the connection portion 215 is used as a supporting point, an included angle is formed between the abutting portion 213 and the pressing portion 211, the supporting arm 220 abuts against the positioning column 140, if the user continues to press the pressing portion 211, the positioning column 140 is accommodated in the positioning hole 221, the abutting portion 213 releases the elastic restoring force, the included angle is reduced, and the abutting portion 213 abuts against the sidewall 120 of the housing 100, so that the assembly of the key 200 is firmer. It can be understood that the number of the connecting portions 215 is not limited to two, the number of the connecting portions 215 can be adjusted as required, and the arrangement of the plurality of connecting portions 215 makes the connection between the pressing portion 211 and the abutting portion 213 more stable, thereby ensuring the stability of the key 200.

Referring to fig. 2 and fig. 3, in an embodiment, the housing 100 is provided with a first limiting rib 150, the first limiting rib 150 is accommodated in the accommodating cavity 130, the positioning column 140 is connected to a side of the first limiting rib 150 opposite to the bottom wall 110, and when the positioning column 140 is accommodated in the positioning hole 221, the supporting arm 220 abuts against the first limiting rib 150. The first limiting rib 150 supports the positioning column 140, so that the positioning column 140 is more stable on the housing 100. In an embodiment, the first limiting ribs 150 include at least two first limiting ribs 150, the two first limiting ribs 150 are connected to the housing 100 at intervals and are oppositely disposed, the housing 100 is further provided with a second limiting rib 160, and the second limiting rib 160 is connected to the two first limiting ribs 150 and is located between the two first limiting ribs 150. Specifically, two relative shells 100 of first spacing muscle 150 are parallel to each other, and the spacing muscle 160 of second is roughly perpendicular setting with first spacing muscle 150, and in the junction of first spacing muscle 150 and the spacing muscle 160 of second, reference column 140 can install in the junction to make reference column 140's installation more firm. The positioning post 140 can also be disposed at other positions of the first limiting rib 150 or the second limiting rib 160, and when the position of the positioning post 140 changes, the position of the positioning hole 221 on the supporting arm 220 also changes accordingly, so that the positioning post 140 and the positioning hole 221 are matched with each other. Wherein, the spacing muscle 160 of second also can set up a plurality ofly, and a plurality of spacing muscle 160 of second are parallel to each other and are connected with first spacing muscle 150 to make the connection of first spacing muscle 150 and the spacing muscle 160 of second more firm.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

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. A key assembly, comprising:

2. The key assembly of claim 1, wherein a side of the supporting arm facing the bottom wall is provided with a guiding groove, the guiding groove extends to an edge of the supporting arm facing away from the main body, and the positioning hole is opened at a bottom of the guiding groove; in the process that the main body penetrates into the mounting hole, the positioning column can be abutted against the bottom of the guide groove and slides into the positioning hole relative to the bottom of the guide groove.

3. The key assembly of claim 2, wherein the bottom of the guide slot has a guide surface extending from the end of the arm away from the main body toward the main body, the positioning post being slidable along the guide surface into the guide slot.

4. The key assembly according to claim 2, wherein the positioning post includes a first inclined surface, the first inclined surface is disposed opposite to the side wall, and the positioning post is capable of sliding along the guiding groove to abut against the wall of the positioning hole, so that the wall of the positioning hole slides along the first inclined surface until the positioning post is received in the positioning hole.

5. The key assembly as recited in claim 2, wherein a side of the positioning hole adjacent to the bottom wall has a second inclined surface, and the arm is deformable to slide the second inclined surface out of the positioning hole along an outer side of the positioning post.

6. The key assembly of claim 1, wherein the main body includes a pressing portion and a supporting portion, the supporting portion is disposed around a circumference of the pressing portion, the pressing portion is disposed through the mounting hole, the supporting portion is supported by an inner side of the sidewall, and the supporting arm is connected to the supporting portion.

7. The key assembly of claim 6, wherein the main body further comprises a connecting portion, two ends of the connecting portion are respectively connected to the pressing portion and the abutting portion, and a space is formed between the pressing portion and the abutting portion.

8. The key assembly of claim 1, wherein the housing further comprises a first limiting rib, the first limiting rib is received in the receiving cavity, and the positioning post is connected to a side of the first limiting rib opposite to the bottom wall; when the positioning column is contained in the positioning hole, the supporting arm abuts against the first limiting rib.

9. The key assembly of claim 8, wherein the number of the first limiting ribs is at least two, two of the first limiting ribs are connected to the housing at intervals and are oppositely disposed, and the housing is further provided with a second limiting rib, and the second limiting rib is connected to two of the first limiting ribs and is located between the two first limiting ribs.

10. A mobile power supply comprising a key assembly as recited in any one of claims 1-9.