CN210806061U

CN210806061U - Double-contact spring plate

Info

Publication number: CN210806061U
Application number: CN201922134639.XU
Authority: CN
Inventors: 梁师旭; 李星桥; 程武
Original assignee: Meizu Technology Co Ltd
Current assignee: Meizu Technology Co Ltd
Priority date: 2019-12-02
Filing date: 2019-12-02
Publication date: 2020-06-19
Anticipated expiration: 2029-12-02

Abstract

The utility model relates to a communication equipment technical field provides a two contact shell fragments. The double-contact elastic sheet comprises a base, an elastic sheet body is arranged on the base, a first elastic foot and a second elastic foot are arranged on the elastic sheet body, a guide plate is arranged on the base in an extending mode towards the direction of the first elastic foot, a limiting hole is formed in the guide plate, and a guide rod inserted in the limiting hole is arranged on the first elastic foot. This application, set up the base on the circuit board, and play foot and metal center and antenna connection through first bullet foot and second respectively, make only can realize the circuit board through a shell fragment, the connection of antenna and metal center, moreover, the steam generator is simple in structure, reduce occuping of space, and play the foot through the second between shell fragment and the antenna and be connected, the area of contact of shell fragment with the antenna has been reduced, satisfy the design demand of antenna, through spacing hole with the range of motion restriction of first bullet foot in its self elastic range, increase the life of shell fragment.

Description

Double-contact spring plate

Technical Field

The utility model relates to a communication equipment technical field, concretely relates to double contact shell fragment.

Background

With the development of science and technology, the functions of the mobile phone are more and the application is more and more extensive. Nowadays, mobile phones have become a necessity in people's daily life. Meanwhile, due to the development of wireless communication technology, the electronic product has more and more important requirements on the signal receiving quality. The electronic product on the market adopts the structure that the circuit board and the antenna are wrapped by the metal middle frame body, the metal middle frame body has the advantages of high strength, difficult damage and metal texture, and in order to play the role of the antenna, the antenna needs to be connected with the metal middle frame and the circuit board. The traditional connection mode is that two elastic sheets are arranged on the antenna, wherein one elastic sheet is used for being connected with the metal middle frame, and the other elastic sheet is used for being connected with the circuit board. However, this design also has the following disadvantages:

(1) with the application of the full-face screen of the mobile phone, the clearance area inside the mobile phone is smaller, and the arrangement mode of arranging two elastic sheets on the antenna increases the contact area between the elastic sheets and the antenna, so that the space occupied by the antenna is increased, and the design requirement of the antenna cannot be met;

(2) the design mode that the two elastic sheets are respectively connected with the metal middle frame and the circuit board is complex, and the internal structural space of the mobile phone is increased;

(3) in the shell fragment installation, the deformation volume is too big easily appears, leads to the cracked phenomenon of shell fragment to take place, reduces the life of shell fragment.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem or at least partially solve the technical problem, the utility model provides a double contact shell fragment.

The double-contact elastic sheet comprises a base used for being connected with a circuit board, an elastic sheet body is arranged on one side, away from the circuit board, of the base, a first elastic foot used for being connected with a metal middle frame is arranged at the first end of the elastic sheet body, a second elastic foot used for being connected with an antenna is arranged at the second end of the elastic sheet body, a guide plate is arranged on the base in an extending mode towards the first elastic foot, a limiting hole is formed in the guide plate, and a guide rod inserted in the limiting hole is arranged on the first elastic foot.

Optionally, the first elastic leg includes a first contact portion for connecting with the metal middle frame, the first contact portion is connected with the first end of the elastic sheet body through a first bending portion, and the first bending portion extends toward the base.

Optionally, the first bending portion includes a first straight plate, a second straight plate and a curved plate, the first straight plate is formed by bending and extending the elastic sheet body towards the direction of the base, one end of the curved plate is connected with the first straight plate, the other end of the curved plate is connected with the second straight plate, the first straight plate is parallel to the second straight plate, the opening of the curved plate faces the direction of the antenna, and the free end of the second straight plate is connected with the first contact portion.

Optionally, first contact site orientation the protruding first bellying that forms of direction of metal center, be used for with the metal center is connected, first bellying with the straight board arcuation of second is connected, two that the deflector set up for the symmetry, the guide bar sets up the tip of first contact site, the both ends of guide bar all stretch out first contact site, two of guide bar stretch out the end and insert two respectively spacing downthehole.

Optionally, in a natural state, the guide rod is in contact with one side, close to the metal middle frame, of the limiting hole, the first protruding portion protrudes out of one side, facing the metal middle frame, of the guide plate, and the protruding length of the first protruding portion is smaller than the length of the guide plate in the direction of the metal middle frame.

Optionally, one side of the first protruding portion facing the metal middle frame is provided with a first arc-shaped protrusion for connecting with the metal middle frame.

Optionally, the second elastic leg includes a second contact portion for connecting with the antenna, the second contact portion is connected with the second end of the elastic piece body through a second bent portion, and the second bent portion is disposed toward the second end of the elastic piece body.

Optionally, the second contact portion protrudes toward the antenna to form a second protruding portion for connecting with the antenna.

Optionally, a second arc-shaped protrusion used for being connected with the antenna is arranged on one side, facing the antenna, of the second protrusion.

Optionally, a plug board is arranged on one side of the base, which is connected with the circuit board, and a slot matched with the plug board is arranged on the circuit board.

Compared with the prior art, the technical scheme provided by the embodiment of the application has the following advantages:

this application, set up the base on the circuit board, and play foot and metal center and antenna connection through first bullet foot and second respectively, make only can realize the circuit board through a shell fragment, the connection of antenna and metal center, moreover, the steam generator is simple in structure, reduce occuping of space, and play the foot through the second between shell fragment and the antenna and be connected, the area of contact of shell fragment with the antenna has been reduced, the usage space of antenna has been increased, satisfy the design demand of antenna, the home range restriction of first bullet foot is in its self elastic range through spacing hole, the life of shell fragment is increased.

Drawings

Fig. 1 is a schematic view of a dual-contact spring plate according to an embodiment of the present invention;

fig. 2 is a schematic view of a side of a dual-contact spring plate provided with a plug board according to an embodiment of the present invention;

fig. 3 is a cross-sectional view of a dual-contact spring in an operating state according to an embodiment of the present invention.

Reference numerals:

1. a base; 11. a guide plate; 12. a limiting hole; 13. inserting plates; 2. a spring plate body; 3. a first spring leg; 31. a first contact portion; 32. a first bent portion; 33. a guide bar; 34. a first arc-shaped protrusion; 4. a second spring leg; 41. a second contact portion; 42. a second bent portion; 43. a second arc-shaped protrusion; 5. a circuit board; 6. a metal middle frame; 7. an antenna.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described in detail with reference to the accompanying drawings and examples. It is to be understood that the embodiments described are some, but not all embodiments of the invention. The specific embodiments described herein are merely illustrative of the invention and are not intended to be limiting. All other embodiments, which can be derived from the description of the embodiments of the present invention by a person skilled in the art, are within the scope of the present invention.

Referring to fig. 1 to 3, the dual-contact spring plate provided in the embodiment of the present application includes a base 1 for connecting with a circuit board 5, a spring plate body 2 is disposed on one side of the base 1 away from the circuit board 5, a first end of the spring plate body 2 is provided with a first spring leg 3 for connecting with a metal middle frame 6, and a second end of the spring plate body 2 is provided with a second spring leg 4 for connecting with an antenna 7. The base 1 is preferably a hollow rectangular frame, and the weight of the whole elastic sheet is reduced. The base 1 extends towards the direction of first bullet foot 3 and is equipped with deflector 11, is equipped with spacing hole 12 on the deflector 11, is equipped with the guide bar 33 of inserting in spacing hole 12 on the first bullet foot 3. The size of the limiting hole 12 should be larger than the size of the guide rod 33, so that the guide rod 33 can move in the limiting hole 12, and the movement range of the first spring leg 3 is limited by the limiting hole 12.

The first end of the elastic sheet body 2 refers to one end, facing the metal middle frame 6, of the double-contact elastic sheet in the installation state, and the second end of the elastic sheet body 2 refers to one end, far away from the metal middle frame 6, of the double-contact elastic sheet in the installation state.

As shown in fig. 3, this application sets up base 1 on circuit board 5, and be connected with metal center 6 and antenna 7 through first bullet foot 3 and second bullet foot 4 respectively, make only can realize circuit board 5 through a shell fragment, antenna 7 and metal center 6's connection, moreover, the steam generator is simple in structure, reduce occuping of space, and be connected through second bullet foot 4 between shell fragment body 2 and the antenna 7, the area of contact of shell fragment body 2 with antenna 7 has been reduced, the usage space of antenna 7 has been increased, satisfy antenna 7's design demand. And the positions of the first spring leg 3 and the second spring leg 4 in fig. 3 refer to the positions of the spring body 2 in the natural state, and after contacting with the metal middle frame 6 and the antenna 7, the first spring leg 3 and the second spring leg 4 will move towards the direction of the arrow respectively. As shown in fig. 1 and 2, the range of motion of the first spring leg 3 is limited within its own elastic range by the limiting hole 12, so that the phenomenon that the first spring leg 3 is broken due to an excessive contact force is avoided, and the service life of the spring body 2 is prolonged. The double-contact elastic sheet can also be used on electronic equipment such as computers.

As shown in fig. 1, the first spring leg 3 includes a first contact portion 31 for connecting with the metal middle frame 6, the first contact portion 31 is connected with the first end of the spring body 2 through a first bending portion 32, the first bending portion 32 extends toward the base 1, and a space is provided for the movement of the first spring leg 3 through the first bending portion 32.

In some embodiments, the first bent portion 32 includes a first straight plate, a second straight plate and a curved plate, the first straight plate is formed by bending and extending the elastic sheet body 2 toward the base 1, one end of the curved plate is connected to the first straight plate, the other end of the curved plate is connected to the second straight plate, the first straight plate and the second straight plate are arranged in parallel, the opening of the curved plate is arranged toward the antenna 7, and the free end of the second straight plate is connected to the first contact portion 31. The distance between two ends of the curved plate is the movable range of the first contact part 31, and in the movable range, in order to reduce the volume of the elastic sheet body 2, the first straight plate and the second straight plate are arranged in parallel, so that the utilization rate of the space is increased.

The first contact portion 31 protrudes toward the metal middle frame 6 to form a first protruding portion for connecting with the metal middle frame 6, and the first protruding portion is arc-shaped connected with the second straight plate to increase the elastic effect. The guide plates 11 are symmetrically arranged, preferably, the two guide plates 11 are formed by extending two side edges of the base 1, the structure is firmer, the guide rod 33 is arranged at the end part of the first contact part 31, the two ends of the guide rod 33 extend out of the first contact part 31, and the two extending ends of the guide rod 33 are respectively inserted into the two limiting holes 12. Structural design is reasonable, reduces the space and occupies, adopts the stability of two deflector 11's the multiplicable structure of mode of setting, avoids appearing the phenomenon of unilateral slope.

Further optimally, in a natural state, the guide rod 33 is in contact with one side of the limiting hole 12 close to the metal middle frame 6, and the first protruding part protrudes out towards one side of the metal middle frame 6 relative to the guide plate 11, so that the first protruding part can be in contact with the metal middle frame 6. During the use, receive external force when metal center 6, first bellying moves towards the direction of keeping away from metal center 6 under the effect of external force, in order to avoid guide bar 33 direct contact to spacing hole 12 to keep away from the one end of metal center 6, the length that first bellying stretches out is less than the length of the directional metal center 6 direction of deflector 11, play the effect of protection gag lever post, and when the stroke of first contact site 31 is great, will enter into between two deflector 11, be connected with metal center 6 through first bellying, the terminal surface of deflector 11 supports metal center 6 simultaneously, the phenomenon of the too big and damage of stroke of avoiding appearing first contact site 31.

Preferably, the side of the first protruding part facing the metal middle frame 6 is provided with a first arc-shaped protrusion 34 for connecting with the metal middle frame 6. So that the first contact part 31 is in electric contact with the metal middle frame 6, and the accuracy and the stability of the contact are increased.

The second bullet foot 4 of this application is including being used for the second contact site 41 of being connected with antenna 7, second contact site 41 is connected through second kink 42 with the second end of shell fragment body 2, the design principle is the same with first bullet foot 3, provide the space for the activity of second bullet foot 4 through second kink 42, second kink 42 includes two straight boards and the bent plate of connecting two straight boards, the free end of two straight boards is connected with second contact site 41 and shell fragment body 2 respectively, and in order to reduce the occupation volume, two straight board parallel arrangement. The second bending part 42 is arranged towards the second end of the elastic sheet body 2, the structural design is reasonable, and the size of the whole device is reduced.

Further preferably, the second contact portion 41 protrudes in the direction of the antenna 7 to form a second protruding portion for connection with the antenna 7. And a second arc-shaped protrusion 43 for connecting with the antenna 7 is provided on a side of the second protrusion facing the antenna 7. So that the second contact portion 41 makes point contact with the antenna 7, increasing the accuracy and stability of the contact.

As shown in fig. 2, an insertion board 13 is disposed on a side of the base 1 connected to the circuit board 5, and a slot matched with the insertion board 13 is disposed on the circuit board 5. The insertion plate 13 and the insertion groove can be designed in a split mode, and the connection position of the insertion plate 13 and the insertion groove can be fixed by a brazing method in order to increase the connection strength.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a double contact shell fragment, its characterized in that, is including being used for the base of being connected with the circuit board, one side that the circuit board was kept away from to the base is equipped with the shell fragment body, the first end of shell fragment body is equipped with the first bullet foot that is used for being connected with the metal center, the second end of shell fragment body is equipped with the second bullet foot that is used for being connected with the antenna, the base orientation the direction extension of first bullet foot is equipped with the deflector, be equipped with spacing hole on the deflector, be equipped with on the first bullet foot and insert and establish guide bar in the spacing hole.

2. The dual-contact spring piece according to claim 1, wherein the first spring leg includes a first contact portion for connecting with the metal middle frame, the first contact portion is connected with the first end of the spring piece body through a first bending portion, and the first bending portion extends toward the base.

3. The dual-contact spring plate as claimed in claim 2, wherein the first bending portion includes a first straight plate, a second straight plate and a curved plate, the first straight plate is formed by bending and extending the spring plate body towards the base, one end of the curved plate is connected to the first straight plate, the other end of the curved plate is connected to the second straight plate, the first straight plate and the second straight plate are arranged in parallel, an opening of the curved plate is arranged towards the antenna, and a free end of the second straight plate is connected to the first contact portion.

4. The double-contact spring piece according to claim 3, wherein the first contact portion protrudes toward the metal middle frame to form a first protruding portion for being connected with the metal middle frame, the first protruding portion is arc-shaped connected with the second straight plate, the two guide plates are symmetrically arranged, the guide rod is arranged at the end of the first contact portion, the two ends of the guide rod extend out of the first contact portion, and the two extending ends of the guide rod are respectively inserted into the two limiting holes.

5. The double-contact spring piece according to claim 4, wherein in a natural state, the guide rod is in contact with one side of the limiting hole close to the metal middle frame, the first protruding portion protrudes out towards one side of the metal middle frame relative to the guide plate, and the protruding length of the first protruding portion is smaller than the length of the guide plate in the direction towards the metal middle frame.

6. The double-contact spring piece according to claim 4, wherein a first arc-shaped protrusion for connecting with the metal middle frame is arranged on one side, facing the metal middle frame, of the first protrusion.

7. The dual-contact spring piece according to claim 1, wherein the second spring leg includes a second contact portion for connecting to the antenna, the second contact portion is connected to the second end of the spring piece body by a second bent portion, and the second bent portion is disposed toward the second end of the spring piece body.

8. The dual-contact dome of claim 7, wherein the second contact portion protrudes toward the antenna to form a second protrusion for connecting with the antenna.

9. The dual-contact dome according to claim 8, wherein a second arc-shaped protrusion for connecting with the antenna is disposed on a side of the second protrusion facing the antenna.

10. The dual-contact spring plate as claimed in claim 1, wherein an insertion plate is disposed on a side of the base connected to the circuit board, and a slot matching with the insertion plate is disposed on the circuit board.