CN113782954A

CN113782954A - Mobile communication antenna

Info

Publication number: CN113782954A
Application number: CN202110946735.3A
Authority: CN
Inventors: 李炎; 丁鑫玉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-18
Filing date: 2021-08-18
Publication date: 2021-12-10

Abstract

The invention discloses a mobile communication antenna which comprises a mobile phone main shell, wherein the edge position of the bottom end of the inner surface of the mobile phone main shell is fixedly connected with a fixed bottom plate, the front end and the rear end of the outer surface of the upper end of the fixed bottom plate are fixedly connected with a connecting mechanism, the connecting mechanism comprises a plurality of first connecting plates, clamping rods, limiting blocks, first sliding chutes, first springs, second connecting plates, first clamping grooves and inclined grooves, and the first connecting plates are fixedly connected to the front end and the rear end of the outer surface of the upper end of the fixed bottom plate. The connecting mechanism and the dismounting mechanism are arranged, so that the circuit board and the built-in antenna can be conveniently dismounted and mounted, the shielding cover can be conveniently dismounted by arranging the clamping blocks and the through grooves and mutually matching with the dismounting mechanism for use, so that the maintenance by workers is facilitated, the external antenna and the built-in antenna are communicated by utilizing the connecting terminals, the purpose of enhancing signals is achieved, and the use by users is facilitated.

Description

Mobile communication antenna

Technical Field

The invention relates to the technical field of electronic equipment, in particular to a mobile communication antenna.

Background

The mobile terminal antenna is an antenna installed on a mobile terminal device, is used for receiving and transmitting signals in the air, is an indispensable key component of a wireless terminal such as a mobile phone, a notebook computer, a netbook and the like, is an important part of a communication antenna, is gradually eliminated along with the development of science and technology, and various wireless device manufacturers adopt FPC built-in antennas.

Chinese patent discloses an antenna at mobile communication terminal, and patent application number is CN202020377977.6, including built-in antenna, built-in antenna welds in FPC board upper end middle part, the louvre has all been seted up in FPC board upper end four corners, the bonding of FPC board bottom has the double faced adhesive tape, built-in antenna keeps away from FPC board one end and is connected with fixed pipe, fixed pipe cup joints with built-in antenna is fixed, fixed pipe is close to built-in antenna one end and is connected with the spring, spring and fixed pipe fixed connection.

The above-mentioned comparison patent is convenient to install by arranging the double faced adhesive tape, tear off the backing adhesive tape on the FPC board, utilize the double faced adhesive tape to adhere directly on the PCB board of the wireless device, but when the built-in antenna or the internal element of the FPC board is damaged, it needs to be dismantled, maintained and replaced, the way of fixing the FPC board by adhering the double faced adhesive tape is inconvenient to dismantle the FPC and the built-in antenna, thereby bringing inconvenience to the maintenance personnel, in addition, the prior art generally adds a shielding case outside the FPC to prevent electromagnetic interference, play a shielding role to the element and LCM on the PCB board, when the electronic element is damaged and needs to be maintained, it needs to dismantle the shielding case, but because the existing shielding case is generally adhered directly with the circuit board, it is inconvenient to dismantle, thereby causing inconvenient maintenance, the signal that the built-in antenna can receive is limited, when the user uses the mobile phone in the open air with poor signal, the signal received by the mobile phone is poor or even no signal is generated, thereby affecting the normal use of the mobile phone.

Therefore, a mobile communication antenna is provided.

Disclosure of Invention

The present invention is directed to a mobile communication antenna, which solves the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a mobile communication antenna comprises a mobile phone main shell, wherein the edge position of the bottom end of the inner surface of the mobile phone main shell is fixedly connected with a fixed bottom plate, and the front end and the rear end of the outer surface of the upper end of the fixed bottom plate are fixedly connected with a connecting mechanism;

the connecting mechanism comprises a plurality of first connecting plates, clamping rods, limiting blocks, first sliding grooves, first springs, second connecting plates, first clamping grooves and inclined grooves, the first connecting plates are fixedly connected to the front end and the rear end of the outer surface of the upper end of the fixed bottom plate, the clamping rods are movably connected to the inner center of the first connecting plates, the upper ends of the clamping rods penetrate through the first connecting plates and are fixedly connected with the limiting blocks, two limiting plates are fixedly connected to two sides of the annular outer surface of the clamping rods, the first sliding grooves are formed in the positions, close to the limiting plates, of the inner parts of the first connecting plates, the first springs are fixedly connected to the outer surfaces of the upper ends of the two limiting plates, the upper ends of the first springs are fixedly connected with the top ends of the inner surfaces of the first sliding grooves, a circuit board is fixedly connected to the upper end of the fixed bottom plate, and a built-in antenna is welded to the outer surface of the upper end of the circuit board, the outer surfaces of the front end and the rear end of the circuit board are fixedly connected with a plurality of second connecting plates, a first clamping groove is formed in the center of the outer surface of the upper end of each second connecting plate and is clamped with the clamping rod, a chute is formed in the left side of the outer surface of each second connecting plate, and the outer surface of the front end of each first connecting plate is connected with a dismounting mechanism in a sliding mode;

the disassembling mechanism comprises a sliding plate, an L-shaped plate, a pushing block, a push rod, a second spring and a fixed block, the sliding plate is movably connected with the outer surface of the front end of the first connecting plate, an L-shaped plate is fixedly connected with the outer surface of the upper end of the sliding plate at a position close to the clamping rod, one end of the L-shaped plate far away from the sliding plate is fixedly connected with a pushing block, the cross section of the pushing block is designed into a U-shaped structure, the outer surface of the upper end of the sliding plate is designed to be an inclined structure, the right end of the sliding plate is fixedly connected with a push rod, the push rod, the upper end of the fixed bottom plate is fixedly connected with a shielding case at the outer side of the circuit board, the right side of the push rod penetrates through the shielding case and extends to the outside of the shielding case, the left side fixedly connected with second spring of slide, the slide is kept away from to the second spring one side fixedly connected with fixed block, the rear end and the first connecting plate fixed connection of fixed block.

When the built-in antenna or the internal element of the FPC board is damaged, the built-in antenna or the internal element of the FPC board needs to be disassembled, maintained and replaced, the FPC board and the built-in antenna are not convenient to disassemble by fixing the FPC board through double-faced adhesive, so that the maintenance personnel are inconvenient, the invention is used by mutually matching the connecting mechanism and the disassembling mechanism, when the circuit board is installed, the second connecting board is placed in a hollow groove between the first connecting boards, then the circuit board is pushed to the left side, the second connecting board is driven to move leftwards, the clamping rod is mutually contacted with the chute and the clamping rod is upwards moved, the first spring is compressed, when the second connecting board is moved to the position of the first clamping groove and the clamping rod, the clamping rod moves downwards under the action of the elastic force of the second spring and is mutually clamped with the first clamping groove, so that the fixing of the second connecting board is realized, and the fixing of the fixed bottom board and the circuit board is further fixed, when the circuit board is disassembled, the sliding plate is driven to slide leftwards by the push rod, the sliding plate drives the L-shaped plate and the pushing block to move leftwards, the inclined plane of the pushing block is in contact with the limiting block and drives the limiting block and the clamping rod to move upwards, the clamping rod is separated from the first clamping groove, the circuit board is moved rightwards, and then the circuit board is moved upwards to enable the second connecting plate to penetrate through a hollow groove between the first connecting plates.

Preferably, the slide is kept away from one side surface of first connecting plate and is seted up a plurality of and lead to the groove, both ends are close to a plurality of fixture blocks of the position fixedly connected with that lead to the groove lower extreme around the internal surface of shield cover, the fixture block matches with leading to the groove each other, the upper end and the slide of fixture block laminate each other.

In operation, the prior art generally adds a shielding cover outside the FPC to prevent electromagnetic interference, and shields the components on the PCB and the LCM, when the electronic element is damaged and needs to be repaired, the shielding cover needs to be removed, but the existing shielding cover is generally directly adhered to the circuit board and is inconvenient to remove, the invention uses the clamping block and the sliding plate to clamp each other to fix the shielding cover by arranging the clamping block and the through groove and matching with the dismounting mechanism, when the shielding cover needs to be disassembled, the push rod is pushed to drive the sliding plate to slide, the through groove slides leftwards and corresponds to the position of the clamping block, the shielding cover is moved upwards to enable the clamping block to penetrate through the through groove, and then the disassembling of the shielding cover is completed, and the shielding cover is convenient to disassemble by being matched with a disassembling mechanism for use, so that the maintenance is convenient for workers.

Preferably, the outer surface of the lower end of the shielding cover is fixedly connected with a clamping mechanism;

the clamping mechanism comprises a clamping sleeve and a second clamping groove, the clamping sleeve is fixedly connected to the outer surface of the lower end of the shielding cover, the second clamping groove is formed in the position, close to the clamping sleeve, of the outer surface of the upper end of the fixed bottom plate, the clamping sleeve and the second clamping groove are in arc-shaped structures and clamped with each other, and the clamping sleeve is made of rubber materials.

When the shielding case fixing device works, the shielding case is fixed only by mutually laminating the clamping block and the sliding plate, the fixing effect is poor, and the lower end of the shielding case is easy to displace, so that the using effect of the shielding case is influenced.

Preferably, the outer surface of the lower end of the shielding cover is close to a fixedly connected connecting block at the inner side of the clamping sleeve, the connecting block is wrapped inside the clamping sleeve, and the connecting block and the clamping sleeve are mutually bonded through glue.

When the clamping sleeve needs to be replaced, the clamping sleeve is heated to melt the glue, the clamping sleeve is torn off, and a new clamping sleeve and the connecting block are bonded again.

Preferably, one side fixedly connected with connector that the circuit board was kept away from to built-in antenna's surface, the inside fixedly connected with connecting terminal in one side that the cell-phone owner shell is close to the connector, the surface and the connecting terminal fixed connection of connector, the inside one side of keeping away from the connector of connecting terminal is pegged graft and is had external antenna, built-in antenna passes through connecting terminal UNICOM each other with external antenna.

When the mobile phone is used outdoors with poor signals, the external antenna is inserted into the connecting terminal to enhance the signals.

Preferably, a plurality of second spout has been seted up to one side annular surface that the connector is close to connecting terminal, the position fixedly connected with a plurality of slider of the internal surface of connecting terminal is close to the second spout, the slider laminates with the second spout each other, the annular surface threaded connection of connector has fixed cover, one side and the connecting terminal threaded connection of circuit board are kept away from to fixed cover.

When the built-in antenna fixing device works, the built-in antenna or the circuit board is required to be disassembled when damaged, the built-in antenna is easy to damage in the process of disassembling and assembling the built-in antenna and the connecting terminal, so that the maintenance difficulty is further increased, and the maintenance cost is improved.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the connecting mechanism and the dismounting mechanism are arranged, the clamping rod and the first clamping groove are clamped with each other to fix the circuit board, the push rod is pushed to release the fixation, the dismounting operation is completed, the circuit board and the built-in antenna are convenient to dismount and mount, the maintenance time of maintenance personnel is saved, the clamping block and the through groove are arranged and are matched with the dismounting mechanism to facilitate the dismounting of the shielding cover, so that the maintenance is convenient for the working personnel, the external antenna and the built-in antenna are communicated by using the connecting terminal, the purpose of enhancing signals is achieved, the situation that the signals received by the mobile phone are poor or even no signals are generated when the mobile phone is used outdoors with poor signals by a user is avoided, and the use is convenient for the user.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the circuit board, the connecting mechanism and the detaching mechanism according to the present invention;

FIG. 3 is a cross-sectional view of the shield case and circuit board of the present invention;

FIG. 4 is an enlarged view of the structure of FIG. 3A according to the present invention;

FIG. 5 is a schematic view showing the overall structure of the detaching mechanism of the present invention;

FIG. 6 is a schematic view of a disassembled structure of the fixing base plate and the circuit board according to the present invention;

FIG. 7 is a schematic view of the combination of the through groove and the fixture block of the present invention;

FIG. 8 is a combined cross-sectional view of a ferrule and a connecting block according to the present invention;

FIG. 9 is a combined cross-sectional view of an external antenna and an internal antenna according to the present invention;

fig. 10 is an enlarged view of the structure of fig. 9 at B.

In the figure: 1. a mobile phone main shell; 11. fixing the bottom plate; 12. a circuit board; 13. a built-in antenna; 14. a shield case; 15. a connector; 16. a connection terminal; 17. an external antenna; 18. a second chute; 19. a slider; 101. fixing a sleeve;

2. a connecting mechanism; 21. a first connecting plate; 22. a clamping rod; 23. a limiting block; 24. a first chute; 25. a first spring; 26. a second connecting plate; 27. a first card slot; 28. a chute; 29. a limiting plate;

3. a disassembly mechanism; 31. a slide plate; 32. an L-shaped plate; 33. a pushing block; 34. a push rod; 35. a second spring; 36. a fixed block; 37. a through groove; 38. a clamping block;

4. a clamping mechanism; 41. a card sleeve; 42. a second card slot; 43. and (4) connecting the blocks.

Detailed Description

The invention now will be described in connection with a few, but not all, embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1 to 10, the present invention provides a mobile communication antenna, which includes:

a mobile communication antenna, as shown in fig. 1 to 6, comprises a mobile phone main shell 1, wherein a fixed bottom plate 11 is fixedly connected to the edge position of the bottom end of the inner surface of the mobile phone main shell 1, and a connecting mechanism 2 is fixedly connected to the front end and the rear end of the outer surface of the upper end of the fixed bottom plate 11;

the connecting mechanism 2 comprises a plurality of first connecting plates 21, clamping rods 22, limiting blocks 23, first chutes 24, first springs 25, second connecting plates 26, first clamping grooves 27 and chutes 28, wherein the first connecting plates 21 are fixedly connected to the front and rear ends of the outer surface of the upper end of the fixed bottom plate 11, the clamping rods 22 are movably connected to the central position of the inside of the first connecting plates 21, the upper ends of the clamping rods 22 penetrate through the first connecting plates 21 and are fixedly connected with the limiting blocks 23, two limiting plates 29 are fixedly connected to two sides of the annular outer surface of the clamping rods 22, the first chutes 24 are arranged at positions, close to the limiting plates 29, of the inside of the first connecting plates 21, the first springs 25 are fixedly connected to the outer surface of the upper ends of the two limiting plates 29, the upper ends of the first springs 25 are fixedly connected to the inner surface of the top ends of the first chutes 24, and the circuit board 12 is fixedly connected to the upper end of the fixed bottom plate 11, the antenna comprises a circuit board 12, a built-in antenna 13, a plurality of second connecting plates 26, a first clamping groove 27, a clamping rod 22, a chute 28 and a dismounting mechanism 3, wherein the built-in antenna 13 is welded on the outer surface of the upper end of the circuit board 12, the outer surfaces of the front end and the rear end of the circuit board 12 are fixedly connected, the center position of the outer surface of the upper end of each second connecting plate 26 is provided with the first clamping groove 27, the first clamping groove 27 and the clamping rod 22 are clamped with each other, the left side of the outer surface of each second connecting plate 26 is provided with the chute;

the dismounting mechanism 3 comprises a sliding plate 31, an L-shaped plate 32, a pushing block 33, a pushing rod 34, a second spring 35 and a fixing block 36, the sliding plate 31 is movably connected to the front end outer surface of the first connecting plate 21, the upper end outer surface of the sliding plate 31 is close to the L-shaped plate 32 fixedly connected to the position of the clamping rod 22, the L-shaped plate 32 is far away from the pushing block 33 fixedly connected to one end of the sliding plate 31, the cross section of the pushing block 33 is in a U-shaped structural design, the upper end outer surface of the pushing block is in an inclined structural design, the right end of the sliding plate 31 is fixedly connected with the pushing rod 34, the pushing rod 34 is located at the outer side of the circuit board 12 at the upper end of the fixing bottom plate 11, the right side of the pushing rod 34 penetrates through the shielding cover 14 and extends to the outer part of the shielding cover 14, the left side of the sliding plate 31 is fixedly connected with the second spring 35, the second spring 35 is far away from the fixing block 36 fixedly connected to one side of the sliding plate 31, the rear end of the fixing block 36 is fixedly connected with the first connecting plate 21.

When the built-in antenna 13 or the internal components of the FPC board are damaged, the built-in antenna needs to be disassembled, maintained and replaced, the FPC board is fixed by a double-faced adhesive, the FPC board and the built-in antenna are not convenient to disassemble, and therefore, the maintenance personnel are inconvenient, the invention uses the connection mechanism 2 and the disassembly mechanism 3 in a mutual matching way, when the circuit board 12 is installed, the second connection board 26 is placed in a hollow groove between the first connection boards 21, the circuit board 12 is pushed to the left side, the second connection board 26 is driven to move to the left side, the clamping rod 22 is driven to be contacted with the inclined groove 28 and the clamping rod 22 moves upwards, the first spring 25 is compressed, when the second connection board 26 moves to the position of the first clamping groove 27 and the clamping rod 22, the clamping rod 22 moves downwards under the elastic force of the second spring 35 and is clamped with the first clamping groove 27, so that the second connection board 26 is fixed, further, the fixing bottom plate 11 and the circuit board 12 are fixed, when the fixing bottom plate and the circuit board 12 are disassembled, the push rod 34 is pushed to drive the sliding plate 31 to slide leftwards, the sliding plate 31 drives the L-shaped plate 32 and the push block 33 to move leftwards, the inclined surface of the push block 33 is contacted with the limiting block 23 and drives the limiting block 23 and the clamping rod 22 to move upwards, the clamping rod 22 is separated from the first clamping groove 27, the circuit board 12 is moved rightwards, the circuit board 12 is moved upwards, the second connecting plate 26 penetrates through a hollow groove between the first connecting plates 21, the connecting mechanism 2 and the disassembling mechanism 3 are arranged, the clamping rod 22 is clamped with the first clamping groove 27 to fix the circuit board 12, the fixing can be released by pushing the push rod 34, the disassembling operation is completed, the disassembling and the mounting of the circuit board 12 and the built-in antenna 13 are facilitated, and the maintenance time of maintenance personnel is saved.

As an embodiment of the present invention, as shown in fig. 5 and 7, a plurality of through grooves 37 are formed in an outer surface of one side of the sliding plate 31 away from the first connecting plate 21, a plurality of locking blocks 38 are fixedly connected to front and rear ends of an inner surface of the shielding cover 14 near lower ends of the through grooves 37, the locking blocks 38 are matched with the through grooves 37, and upper ends of the locking blocks 38 are attached to the sliding plate 31.

When the FPC works, the prior art generally adds the shielding cover 14 outside the FPC to prevent electromagnetic interference, and plays a role in shielding elements and LCM on a PCB, when electronic elements are damaged and need to be maintained, the shielding cover 14 needs to be detached, but because the prior shielding cover 14 is generally directly adhered to the circuit board 12 and is inconvenient to detach, the maintenance is inconvenient, the invention uses the clamping blocks 38 and the through grooves 37 in cooperation with the detaching mechanism 3, the clamping blocks 38 and the sliding plate 31 are clamped with each other to fix the shielding cover 14, when the shielding cover 14 needs to be detached, the push rod 34 is pushed to drive the sliding plate 31 to slide, the through grooves 37 slide leftwards and correspond to the positions of the clamping blocks 38, the shielding cover 14 is moved upwards to enable the clamping blocks 38 to pass through the through grooves 37, the invention uses the clamping blocks 38 and the through grooves 37 in cooperation with the detaching mechanism 3 to detach the shielding cover 14 conveniently, thereby being convenient for the staff to maintain.

As an embodiment of the present invention, as shown in fig. 4 and 8, an engaging mechanism 4 is fixedly connected to an outer surface of a lower end of the shield case 14;

the clamping mechanism 4 comprises a clamping sleeve 41 and a second clamping groove 42, the clamping sleeve 41 is fixedly connected to the outer surface of the lower end of the shielding cover 14, the second clamping groove 42 is formed in the position, close to the clamping sleeve 41, of the outer surface of the upper end of the fixed bottom plate 11, the clamping sleeve 41 and the second clamping groove 42 are clamped in an arc-shaped structure, and the clamping sleeve 41 is made of rubber materials.

When the fixing device works, the shielding cover 14 is fixed only by mutually attaching the clamping block 38 and the sliding plate 31, the fixing effect is poor, and the lower end of the shielding cover 14 is easy to displace so as to influence the using effect of the shielding cover 14.

As an embodiment of the present invention, as shown in fig. 8, a connection block 43 is fixedly connected to a position on an outer surface of a lower end of the shielding cover 14 close to an inner side of the ferrule 41, the connection block 43 is wrapped inside the ferrule 41, and the connection block 43 and the ferrule 41 are adhered to each other by glue.

When the cutting sleeve 41 needs to be replaced, the cutting sleeve 41 is heated to melt the glue, the cutting sleeve 41 is torn off, and a new cutting sleeve 41 and the connecting block 43 are bonded again.

As an embodiment of the present invention, as shown in fig. 9, a connection terminal 15 is fixedly connected to a side of an outer surface of the internal antenna 13 away from the circuit board 12, a connection terminal 16 is fixedly connected to an inside of a side of the main case 1 of the mobile phone close to the connection terminal 15, the outer surface of the connection terminal 15 is fixedly connected to the connection terminal 16, an external antenna 17 is inserted into a side of the inside of the connection terminal 16 away from the connection terminal 15, and the internal antenna 13 and the external antenna 17 are communicated with each other through the connection terminal 16.

When the mobile phone is used outdoors with poor signals, the external antenna 17 is inserted into the connecting terminal 16 to enhance the signals, the connecting terminal 16 is utilized to communicate the external antenna 17 with the internal antenna 13, so that the purpose of enhancing the signals is achieved, the situation that the signals received by the mobile phone are poor or even no signals are generated when the mobile phone is used outdoors with poor signals by a user is avoided, and the mobile phone is convenient to use by the user.

As an embodiment of the present invention, as shown in fig. 10, a plurality of second sliding grooves 18 are formed on an annular outer surface of one side of the connecting head 15 close to the connecting terminal 16, a plurality of sliding blocks 19 are fixedly connected to positions of an inner surface of the connecting terminal 16 close to the second sliding grooves 18, the sliding blocks 19 and the second sliding grooves 18 are attached to each other, a fixing sleeve 101 is screwed on the annular outer surface of the connecting head 15, and one side of the fixing sleeve 101 away from the circuit board 12 is screwed on the connecting terminal 16.

When the antenna fixing device works, because the built-in antenna 13 needs to be disassembled when the built-in antenna 13 or the circuit board 12 is damaged, the built-in antenna 13 is easily damaged in the process of disassembling and assembling the built-in antenna 13 and the connecting terminal 16, so that the maintenance difficulty is further increased, and the maintenance cost is improved, the fixing sleeve 101 is arranged, the connecting head 15 is inserted into the connecting terminal 16 during the assembling, the sliding block 19 is mutually attached to the second sliding groove 18, the fixing sleeve 101 is rotated to ensure that the fixing sleeve 101 is in threaded connection with the connecting terminal 16, the connecting terminal 16 is mutually connected with the connecting head 15 through the fixing sleeve 101, so that the aim of fixing the built-in antenna 13 is achieved, the connecting head 15 is limited by arranging the sliding block 19 to be mutually attached to the second sliding groove 18, the situation that the connecting head 15 rotates when the fixing sleeve 101 is rotated to cause the damage of the built-in antenna 13 is prevented, thereby protecting the built-in antenna 13 and reducing the operation difficulty.

The working principle is as follows: the invention uses the connecting mechanism 2 and the detaching mechanism 3 to cooperate with each other, when the circuit board 12 is mounted, the second connecting plate 26 is put into the empty slot between the first connecting plates 21, then the circuit board 12 is pushed to the left side, the second connecting plate 26 is driven to move to the left, the clamping rod 22 is contacted with the inclined slot 28 and the clamping rod 22 moves upwards, the first spring 25 is compressed, when the second connecting plate 26 moves to the position where the first clamping slot 27 corresponds to the clamping rod 22, the clamping rod 22 moves downwards under the action of the elastic force of the second spring 35 and is clamped with the first clamping slot 27, thereby fixing the second connecting plate 26, further fixing the fixed bottom plate 11 and the circuit board 12, when the circuit board is detached, the push rod 34 drives the sliding plate 31 to slide leftwards, the sliding plate 31 drives the L-shaped plate 32 and the pushing block 33 to move leftwards, the inclined surface of the pushing block 33 is contacted with the limiting block 23 and drives the limiting block 23 and the clamping rod 22 to move upwards, the clamping rod 22 and the first clamping groove 27 are separated from each other, the circuit board 12 is moved to the right, then the circuit board 12 is moved upwards, the second connecting plate 26 penetrates through the empty groove between the first connecting plates 21, in addition, by arranging the fixture blocks 38 and the through slots 37 and using the fixture blocks 38 and the detaching mechanism 3 in cooperation, the shield cover 14 is fixed by the mutual clamping of the fixture blocks 38 and the sliding plates 31, when the shielding cover 14 needs to be disassembled, the push rod 34 is pushed to drive the sliding plate 31 to slide, so that the through groove 37 slides leftwards and corresponds to the position of the clamping block 38, the shielding cover 14 is moved upwards, so that the clamping block 38 passes through the through groove 37, the disassembling of the shielding cover 14 is completed, through arranging the connecting terminal 16 and the external antenna 17, when a user receives signals in the open air poorly, the external antenna 17 is inserted into the connecting terminal 16, and the external antenna 17 and the internal antenna 13 are communicated through the connecting terminal 16, so that the purpose of enhancing the signals is achieved.

The electric elements in the document are electrically connected with an external main controller and 220V mains supply through a transformer, the main controller can be a conventional known device controlled by a computer and the like, the product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased, so that the product is more matched with and accords with the technical scheme of the invention, the product model is a technical scheme of the optimal application of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is familiar to the technical personnel in the field, so that the technical scheme provided by the invention can clearly obtain the corresponding use effect.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A mobile communication antenna comprises a mobile phone main shell (1), and is characterized in that: the edge position of the bottom end of the inner surface of the mobile phone main shell (1) is fixedly connected with a fixed bottom plate (11), and the front end and the rear end of the outer surface of the upper end of the fixed bottom plate (11) are fixedly connected with connecting mechanisms (2);

the connecting mechanism (2) comprises a plurality of first connecting plates (21), clamping rods (22), limiting blocks (23), first sliding grooves (24), first springs (25), second connecting plates (26), first clamping grooves (27) and inclined grooves (28), the first connecting plates (21) are fixedly connected to the front end and the rear end of the outer surface of the upper end of the fixed bottom plate (11), the clamping rods (22) are movably connected to the central positions of the inner portions of the first connecting plates (21), the upper ends of the clamping rods (22) penetrate through the first connecting plates (21) and are fixedly connected with the limiting blocks (23), two limiting plates (29) are fixedly connected to two sides of the outer surface of the ring of the clamping rods (22), the first sliding grooves (24) are formed in the positions, close to the limiting plates (29), of the inner portions of the first connecting plates (21), the first springs (25) are fixedly connected to the outer surface of the upper ends of the two limiting plates (29), the upper end of the first spring (25) is fixedly connected with the top end of the inner surface of the first sliding groove (24), the upper end of the fixed bottom plate (11) is fixedly connected with a circuit board (12), the outer surface of the upper end of the circuit board (12) is welded with a built-in antenna (13), the outer surfaces of the front end and the rear end of the circuit board (12) are fixedly connected with a plurality of second connecting plates (26), a first clamping groove (27) is formed in the center of the outer surface of the upper end of each second connecting plate (26), the first clamping groove (27) is clamped with the clamping rod (22), a chute (28) is formed in the left side of the outer surface of each second connecting plate (26), and the outer surface of the front end of each first connecting plate (21) is connected with a dismounting mechanism (3) in a sliding mode;

the dismounting mechanism (3) comprises a sliding plate (31), an L-shaped plate (32), a pushing block (33), a pushing rod (34), a second spring (35) and a fixing block (36), the sliding plate (31) is movably connected to the outer surface of the front end of the first connecting plate (21), the outer surface of the upper end of the sliding plate (31) is close to the L-shaped plate (32) fixedly connected with the clamping rod (22), the L-shaped plate (32) is far away from the pushing block (33) fixedly connected with one end of the sliding plate (31), the cross section of the pushing block (33) is in a U-shaped structural design, the outer surface of the upper end of the pushing block is in an inclined structural design, the pushing rod (34) is fixedly connected to the right end of the sliding plate (31), the pushing rod (34) is located on the outer side of the circuit board (12) fixedly connected with the shielding case (14), the right side of the pushing rod (34) penetrates through the shielding case (14) and extends to the outside of the shielding case (14), the left side fixedly connected with second spring (35) of slide (31), one side fixedly connected with fixed block (36) of slide (31) is kept away from in second spring (35), the rear end and first connecting plate (21) fixed connection of fixed block (36).

2. A mobile communications antenna according to claim 1, wherein: a plurality of through groove (37) have been seted up to one side surface that first connecting plate (21) was kept away from in slide (31), both ends are close to a plurality of blocks of fixture block (38) of position fixedly connected with through groove (37) lower extreme around the internal surface of shield cover (14), fixture block (38) and through groove (37) match each other, the upper end and slide (31) of fixture block (38) are laminated each other.

3. A mobile communications antenna according to claim 2, wherein: the outer surface of the lower end of the shielding cover (14) is fixedly connected with a clamping mechanism (4);

clamping mechanism (4) include cutting ferrule (41) and second draw-in groove (42), cutting ferrule (41) fixed connection is in the lower extreme surface of shield cover (14), second draw-in groove (42) have been seted up to the position that the upper end surface of PMKD (11) is close to cutting ferrule (41), cutting ferrule (41) and second draw-in groove (42) are the mutual block of arc structure, cutting ferrule (41) are made by rubber materials.

4. A mobile communications antenna according to claim 3, wherein: the position fixedly connected with connecting block (43) that the lower extreme surface of shield cover (14) is close to cutting ferrule (41) inboard, connecting block (43) parcel is inside cutting ferrule (41), bond each other through glue between connecting block (43) and cutting ferrule (41).

5. A mobile communications antenna according to claim 1, wherein: the mobile phone shell is characterized in that one side fixedly connected with connector (15) of circuit board (12) is kept away from to the surface of built-in antenna (13), one side inside fixedly connected with connecting terminal (16) of one side that main casing (1) of mobile phone is close to connector (15), the surface and connecting terminal (16) fixed connection of connector (15), one side of connector (15) is kept away from to the inside of connecting terminal (16) is pegged graft and is had external antenna (17), built-in antenna (13) and external antenna (17) are through connecting terminal (16) UNICOM each other.

6. The mobile communication antenna of claim 5, wherein: connector (15) are close to one side annular surface of connecting terminal (16) and have seted up a plurality of second spout (18), the internal surface of connecting terminal (16) is close to a plurality of slider (19) of position fixedly connected with of second spout (18), slider (19) and second spout (18) are laminated each other, the annular surface threaded connection of connector (15) has fixed cover (101), one side and connecting terminal (16) threaded connection of circuit board (12) are kept away from to fixed cover (101).