CN212874780U

CN212874780U - Mobile device antenna shell fragment structure

Info

Publication number: CN212874780U
Application number: CN202022125431.4U
Authority: CN
Inventors: 杨建超; 柯炎华
Original assignee: Jiangsu Dingshiding Precision Technology Co ltd
Current assignee: Jiangsu Dingshiding Precision Technology Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-04-02
Anticipated expiration: 2030-09-25

Abstract

The utility model relates to the technical field of electronic hardware, in particular to a mobile device antenna spring plate structure, which comprises a plate-shaped base part and a pressing plate body, wherein the pressing plate body comprises a fixing part which is integrally formed by bending, an elastic part which extends from the fixing part and an inclined arm which extends from the elastic part towards the oblique upper part, the fixing part is fixed on the plate-shaped base part in a laminating way, a contact which is contacted with an antenna is arranged on the inclined arm, a holding space is formed between the inclined arm and the plate-shaped base part, the inclined arm extends out of a supporting arm towards the direction of the plate-shaped base part, an elastic included angle is formed between the supporting arm and the inclined arm, the bottom of the supporting arm is bent to form a sliding part which is in sliding contact with the surface of the plate-shaped base part, an elastic part which acts on the sliding, the installation space can be effectively saved.

Description

Mobile device antenna shell fragment structure

Technical Field

The utility model relates to an electron hardware technical field, concretely relates to mobile device antenna shell fragment structure.

Background

Along with the improvement of user's demand, the integrated antenna quantity in the terminal equipment is more and more, and then can make terminal equipment possess good signal transceiver function. Current terminal devices typically use a metal area on the housing (e.g., a metal bezel) as an antenna radiator.

The circuit board in the terminal equipment is provided with an antenna elastic sheet, and the antenna elastic sheet is in elastic contact with the metal area of the shell, so that the antenna signal is received and transmitted. With the increase of the functions of the terminal equipment, more and more functional devices are arranged in the terminal equipment, and not only the number of antennas is increased. This leads to an increasingly tight layout space on the circuit board and an increasingly complex installation environment for the antenna dome.

The antenna spring structure in the prior art is provided with a bottom, a bent elastic part and a force arm, the elastic part is bent upwards usually to have elasticity, the bent part forms a cavity, the cavity cannot be effectively utilized, and precious space resources in mobile equipment are wasted.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at overcoming the defect among the prior art, provide a mobile device antenna shell fragment structure, simple structure can effectively save installation space.

The utility model discloses a mobile device antenna shell fragment structure, including plate-shaped basal portion and preforming body, the preforming body includes through bending integrated into one piece's fixed part, follows elasticity portion that the fixed part extends and follows elasticity portion slope arm that extends towards the top to one side, the fixed part is fixed in with laminating on the plate-shaped basal portion, be equipped with the contact with the antenna contact on the slope arm, the slope arm with form the accommodation space between the plate-shaped basal portion, the slope arm orientation the support arm is extended to the direction of plate-shaped basal portion, the support arm with form the elasticity contained angle between the slope arm, the bottom of support arm is through bending type formation and plate-shaped basal portion surface sliding contact's sliding part, be equipped with in the accommodation space and act on the elastic component of sliding part.

Further, the supporting arm is obliquely arranged towards the direction of the pressing sheet body.

Furthermore, the two ends of the sliding part extend outwards to form guide parts, guide grooves are formed in the two sides of the accommodating space of the plate-shaped base part, and the guide parts extend into the guide grooves.

Further, the guide slot comprises a side wall and a top wall, the side wall and the top part are formed by bending the side edge of the plate-shaped base part, a limiting wall is arranged at the front end of the guide slot and formed by bending the side wall, the limiting wall limits the movement of the guide part at the front end of the guide slot, and the limiting wall does not extend into the accommodating space.

Further, a protective wall is arranged at the front end of the plate-shaped base, the protective wall comprises two side protective walls and a front protective wall, and the side protective walls and the front protective wall are arranged around the accommodating space.

Furthermore, the elastic piece comprises two elastic piece clusters which are symmetrically arranged, each elastic piece cluster is formed by overlapping a plurality of elastic piece monomers, one end of each elastic piece monomer of the same elastic piece cluster is fixed on the plate-shaped base, and the other end of each elastic piece monomer faces the sliding part.

The utility model has the advantages that: the utility model discloses a mobile device antenna shell fragment structure, including platelike basal portion and preforming body, the preforming body is by the fixed part, elasticity portion and tilt arm are constituteed, set up the support arm between tilt arm and the platelike basal portion, the support arm bottom is equipped with the sliding part with platelike basal portion sliding contact, the last elastic component that acts on the sliding part that has set up of platelike basal portion, when the preforming body is compressed, elasticity portion, the juncture of support arm and tilt arm and elastic component all take place deformation, produce elasticity, it is bigger than traditional shell fragment structure to reply the dynamics, and eliminated the cavity of traditional shell fragment structure's elasticity portion because of buckling the formation, the volume of shell fragment structure has been reduced, be favorable to the miniaturized design of mobile device.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a front view of the present invention;

fig. 2 is a top view of the present invention;

FIG. 3 is a schematic cross-sectional view taken along the line A-A in FIG. 1;

FIG. 4 is a schematic cross-sectional view taken along line B-B of FIG. 2;

fig. 5 is an axonometric view of the present invention.

Description of reference numerals: the pressing sheet comprises a plate-shaped base 1, a pressing sheet body 2, a fixing part 201, an elastic part 202, an inclined arm 203, a contact 3, a supporting arm 4, a sliding part 401, a guide part 402, an elastic piece 5, an elastic piece cluster 501, a guide groove 6, a side wall 601, a top wall 602, a limiting wall 603, a side protection wall 7 and a front protection wall 8.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-5, an antenna dome structure of a mobile device in this embodiment includes a plate-shaped base 1 and a tablet body 2, the tablet main body 2 comprises a fixing part 201 which is bent and integrally formed, an elastic part 202 extending from the fixing part 201, and an inclined arm 203 extending from the elastic part 202 towards the inclined upper part, the fixing portion 201 is fixed to the plate-like base 1 in a bonded manner, the tilt arm 203 is provided with a contact 3 for contacting an antenna, an accommodating space is formed between the inclined arm 203 and the plate-shaped base 1, a support arm 4 extends out of the inclined arm 203 towards the plate-shaped base 1, an elastic included angle is formed between the support arm 4 and the inclined arm 203, the bottom of the support arm 4 is bent to form a sliding part 401 which is in sliding contact with the surface of the plate-shaped base part 1, and an elastic piece 5 acting on the sliding part 401 is arranged in the accommodating space.

In the actual implementation process, the plate-shaped base 1 is used for fixing with a main board of a mobile device, the contact 3 on the inclined arm 203 is pressed against the antenna under the action of elastic force, specifically, in the assembly process, the pressing sheet body 2 is pressed, and the elastic part 202 on the pressing sheet body 2 is deformed; meanwhile, the sliding part 401 at the bottom of the support arm 4 is forced to slide, so that the elastic piece 5 is forced to deform, and the junction of the inclined arm 203 and the support arm 4 is forced to deform, so that the elastic included angle is changed; the elastic portion 202, the elastic member 5 and the interface between the tilting arm 203 and the supporting arm 4 can provide elastic force. When the pressure, preforming body 2, support arm 4 and platelike basal portion 1 can superpose each other, reduce the height, compare with traditional structure, obviously reduced the vertical volume of shell fragment to make the space of installation littleer, be favorable to the frivolous design of equipment.

In this embodiment, the support arm 4 is disposed to be inclined toward the tablet main body 2. When pressed, the supporting arm 4 can be clamped between the tabletting body 2 and the plate-shaped base 1, which is beneficial to reducing the volume.

In this embodiment, two ends of the sliding portion 401 extend outward to form guide portions 402, guide grooves 6 are formed on two sides of the accommodating space of the plate-shaped base portion 1, and the guide portions 402 extend into the guide grooves 6. The guide groove 6 plays a role in guiding the sliding portion 401 and also plays a role in protection, so that the support arm 4 is prevented from being deviated and deformed by external force.

In this embodiment, for convenience of description, it is defined that one end of the plate-shaped base 1 combined with the fixing portion 201 is a rear end, the opposite end is a front end, the guide groove 6 includes a side wall 601 and a top wall 602, the side wall 601 and the top are formed by bending the side edge of the plate-shaped base 1, the front end of the guide groove 6 is provided with a limiting wall 603, the limiting wall 603 is formed by bending the side wall 601, and the limiting wall 603 limits the movement of the guide part 402 at the front end of the guide groove, so that the guide part 402 is always located in the guide groove 6, the excessive lifting of the tablet pressing body 2 after the guide part 402 is separated from the guide groove 6 is avoided, and the limiting wall 603 does not extend into the accommodating space, thereby avoiding affecting the pressing of the tablet pressing body 2.

In this embodiment, the front end of the plate-shaped base 1 is provided with a protective wall, the protective wall comprises two side protective walls 7 and a front protective wall 8, and the side protective walls 7 and the front protective wall 8 are enclosed on the periphery of the accommodating space.

In this embodiment, the elastic member 5 includes two elastic sheet clusters 501 symmetrically arranged, the elastic sheet cluster 501 is formed by stacking a plurality of elastic sheet units, one end of the elastic sheet unit of the same elastic sheet cluster 501 is fixed on the plate-shaped base 1, and the other end of the elastic sheet unit faces the sliding portion 401.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. The utility model provides a mobile device antenna shell fragment structure, includes platelike base and preforming body, its characterized in that: the pressing sheet body comprises a fixing part, an elastic part and an inclined arm, the fixing part is integrally formed by bending, the elastic part extends out of the fixing part, the inclined arm extends out from the elastic part to the upper oblique direction, the fixing part is fixed on the plate-shaped base in a fitting mode, a contact point in contact with an antenna is arranged on the inclined arm, an accommodating space is formed between the inclined arm and the plate-shaped base, the inclined arm extends out of the supporting arm towards the plate-shaped base, an elastic included angle is formed between the supporting arm and the inclined arm, the bottom of the supporting arm forms a sliding part in sliding contact with the surface of the plate-shaped base through bending, and an elastic piece acting on the sliding part is arranged in.

2. The mobile device antenna dome structure of claim 1, wherein: the supporting arm is obliquely arranged towards the pressing sheet body.

3. The mobile device antenna dome structure of claim 1, wherein: the two ends of the sliding part extend outwards to form guide parts, guide grooves are formed in the two sides of the accommodating space of the plate-shaped base part, and the guide parts extend into the guide grooves.

4. The mobile device antenna dome structure of claim 3, wherein: the guide groove comprises a side wall and a top wall, the side wall and the top part are formed by bending the side edge of the plate-shaped base part, a limiting wall is arranged at the front end of the guide groove and formed by bending the side wall, the limiting wall limits the movement of the guide part at the front end of the guide groove and does not extend into the accommodating space.

5. The mobile device antenna dome structure of claim 1, wherein: the front end of the plate-shaped base is provided with a protective wall, the protective wall comprises two side protective walls and a front protective wall, and the side protective walls and the front protective wall are arranged around the periphery of the accommodating space.

6. The mobile device antenna dome structure of claim 1, wherein: the elastic piece comprises two elastic piece clusters which are symmetrically arranged, each elastic piece cluster is formed by overlapping a plurality of elastic piece monomers, one end of each elastic piece monomer of the same elastic piece cluster is fixed on the plate-shaped base, and the other end of each elastic piece monomer faces the sliding part.