CN218183610U - Mainboard prepositioning structure and mobile terminal - Google Patents

Abstract

The present disclosure relates to a main board pre-positioning structure and a mobile terminal, wherein a pre-positioning hole is formed on a main board, the main board pre-positioning structure comprises a pre-positioning column arranged on a shell of the mobile terminal, and the pre-positioning column can penetrate out of the pre-positioning hole; the utility model discloses a mobile terminal, including mainboard, reference column, casing, the one end of casing is equipped with elasticity limit structure, elasticity limit structure can the mainboard is internal contraction under the extrusion force effect, so that the mainboard by keeping away from of reference column in advance the pot head of casing is established on the reference column in advance, perhaps outwards expand when the extrusion force of mainboard disappears, in order to prevent the mainboard is followed break away from on the reference column in advance to realized good prepositioning to the mainboard, and avoid raising in the mainboard assembling process to a certain extent, improved the fixed effect of installation of mainboard, be favorable to mobile terminal's production line to go on smoothly.

Description

Mainboard prepositioning structure and mobile terminal

Technical Field

The disclosure relates to the technical field of mobile terminals, in particular to a mainboard pre-positioning structure and a mobile terminal.

Background

The main board is one of important components of mobile terminal electronic products such as mobile phones, and plays a very important role in the electronic products.

When the prior art carries out the mainboard assembly, the mainboard rises to stick up easily, so brought inconvenience for producing line production, the installation fixed effect of mainboard is relatively poor.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem or at least partially solve the technical problem, the present disclosure provides a main board pre-positioning structure and a mobile terminal.

In a first aspect, the present disclosure provides a main board pre-positioning structure, where a pre-positioning hole is formed in a main board, the main board pre-positioning structure includes a pre-positioning column disposed on a housing of a mobile terminal, and the pre-positioning column can penetrate through the pre-positioning hole;

the end of the prepositioning column far away from the shell is provided with an elastic limiting structure, and the elastic limiting structure can inwards contract under the action of extrusion force of the main board, so that the main board is sleeved on the prepositioning column by an end of the prepositioning column far away from the shell, or outwards expand when the extrusion force of the main board disappears, and the main board is prevented from separating from the prepositioning column.

Optionally, the elastic limiting structure includes at least two limiting claws, the at least two limiting claws are arranged at intervals along the circumferential direction of the pre-positioning column, the end of the pre-positioning column is far away from the casing, and the at least two limiting claws surround a cavity.

Optionally, one end of the limiting claw, which is far away from the housing, is provided with a guide part for guiding the main board.

Optionally, the outer wall of spacing claw has the direction inclined plane, the direction inclined plane is following the mainboard cover is established extend to lean out on the moving direction of prepositioning post, the direction inclined plane forms into the guide part.

Optionally, the number of the limiting claws is four, and the four limiting claws are arranged oppositely in pairs.

Optionally, the elastic limiting structure comprises a limiting convex part arranged at one end of the limiting claw close to the housing, and the limiting convex part is used for preventing the main board from being separated.

Optionally, the limiting convex part is formed by bending and protruding a part of the limiting claw outwards.

Optionally, a first inclined surface is formed at the top of the outer side wall of the limit convex part, and the first inclined surface extends downwards towards a direction away from the cavity;

and a second inclined plane is formed at the bottom of the outer side wall of the limiting convex part, and the second inclined plane extends downwards towards the direction close to the cavity.

Optionally, the pre-positioning column is a hollow column.

In a second aspect, the present disclosure provides a mobile terminal including a housing and the main board pre-positioning structure as described above disposed on the housing.

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

the utility model provides a mainboard prepositioning structure and mobile terminal, through set up prepositioning post on mobile terminal's casing, and make prepositioning post wear out by the prepositioning hole on the mainboard in advance, one end through keeping away from the casing at prepositioning post sets up elasticity limit structure, and make elasticity limit structure can inwards shrink under the extrusion power of mainboard, so that the mainboard is established on prepositioning post by the pot head of keeping away from the casing of prepositioning post, or outwards expand when the extrusion force of mainboard disappears, in order to prevent that the mainboard from breaking away from the prepositioning post, thereby realized the good prepositioning to the mainboard. Before the assembly mainboard, at first carry out prepositioning to the mainboard through this mainboard prepositioning structure, and then can avoid raising up in the mainboard assembling process to a certain extent, improved the fixed effect of installation of mainboard, be favorable to mobile terminal's the line of producing to go on smoothly.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure.

In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present disclosure, the drawings used in the embodiments or technical solutions in the prior art description will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a motherboard pre-positioning structure according to an embodiment of the present disclosure;

fig. 2 is a schematic structural diagram of a motherboard fixing structure according to an embodiment of the present disclosure;

fig. 3 is a schematic sectional view taken along a vertical direction of the fixing body in fig. 2.

Wherein, 1, a mainboard; 11. pre-positioning holes; 2. pre-positioning columns; 3. an elastic limiting structure; 31. a limiting claw; 311. a guide portion; 312. a guide slope; 32. a limiting convex part; 321. a first inclined plane; 322. a second inclined plane; 33. a cavity.

Detailed Description

In order that the above objects, features and advantages of the present disclosure may be more clearly understood, aspects of the present disclosure will be further described below. It should be noted that the embodiments and features of the embodiments of the present disclosure may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present disclosure, but the present disclosure may be practiced otherwise than as described herein; it is to be understood that the embodiments disclosed in the specification are only a few embodiments of the present disclosure, and not all embodiments.

Example one

Referring to fig. 1 to 3, the present embodiment provides a motherboard pre-positioning structure. Wherein, the mainboard 1 is provided with a pre-positioning hole 11. The main board pre-positioning structure specifically comprises a pre-positioning column 2 arranged on a shell of the mobile terminal, and the pre-positioning column 2 can penetrate out of a pre-positioning hole 11.

During the concrete implementation, make the one end of keeping away from the casing of prepositioning post 2 have elasticity limit structure 3, and elasticity limit structure 3 can inwards shrink under mainboard 1's extrusion force effect to make mainboard 1 establish on prepositioning post 2 by the pot head of keeping away from the casing of prepositioning post 2, perhaps outwards expand when mainboard 1's extrusion force disappears, in order to prevent that mainboard 1 breaks away from on prepositioning post 2.

Through setting up mainboard prepositioning structure to carry out good, accurate prepositioning to mainboard 1 before mainboard 1 assembles. Before assembling mainboard 1, can carry out prepositioning to mainboard 1 through this mainboard prepositioning structure earlier to can avoid mainboard 1 to a certain extent in follow-up screw or carry out the phenomenon that rises to stick up in other assembling process appearing, and then improved mainboard 1's installation fixed effect, be favorable to mobile terminal's the production of producing the line to go on smoothly, guarantee the packaging efficiency who produces the line, and easily realize automated production.

Meanwhile, the elastic limiting structure 3 can contract inwards under the action of the extrusion force of the mainboard 1 or expand outwards when the extrusion force disappears, so that the mainboard 1 is convenient to pre-fix on the shell, and the mainboard 1 is convenient to disassemble from the shell.

For example, when mainboard 1 is dismantled to needs, exert the vertical effort of keeping away from the casing direction towards mainboard 1, can make mainboard 1 extrude elasticity limit structure 3, make mainboard 1 remove towards the direction of keeping away from the casing gradually to dismantle mainboard 1 from prepositioning post 2 when the extrusion force disappears. Meanwhile, after the main board 1 is removed, the elastic limiting structure 3 is restored to a natural state, so that an operator can replace the main board 1 with a new one and install the main board on the shell according to the method.

Set up like this, mainboard prepositioning structure's simple structure, convenient operation, it is effectual to the prepositioning and the fixed of mainboard 1. Meanwhile, the whole main board pre-positioning structure occupies a small space, so that the main board pre-positioning structure is particularly suitable for a scene of a complex pre-positioning structure of a product without space design.

Illustratively, when the main board 1 is pre-positioned, the pre-positioning hole 11 is firstly aligned with the pre-positioning column 2; then, a vertical acting force towards the direction close to the shell is applied to the main board 1, so that the main board 1 extrudes the elastic limiting structures 3, and at the moment, the elastic limiting structures 3 can contract inwards under the action of the extruding force, so that the pre-positioning holes 11 can smoothly pass through the elastic limiting structures 3 and are sleeved on the pre-positioning columns 2; then mainboard 1 disappears to elasticity limit structure 3's extrusion effort, and elasticity limit structure 3 resumes natural state and outwards expands to spacing has been carried out mainboard 1, in order to prevent that mainboard 1 breaks away from prepositioning post 2.

The mainboard prepositioning structure that this embodiment provided, through set up prepositioning post 2 on mobile terminal's casing, and make prepositioning post 2 wear out by the prepositioning hole 11 on the mainboard 1, one end through keeping away from the casing at prepositioning post 2 sets up elasticity limit structure 3, and make elasticity limit structure 3 can contract inwards under mainboard 1's extrusion force, so that mainboard 1 overlaps by the pot head of keeping away from the casing of prepositioning post 2 on prepositioning post 2, or outwards expand when mainboard 1's extrusion force disappears, in order to prevent that mainboard 1 from breaking away from prepositioning post 2, thereby realized the good prepositioning to mainboard 1. Before assembly mainboard 1, at first carry out prepositioning to mainboard 1 through this mainboard prepositioning structure, and then can avoid 1 assembling process of mainboard to a certain extent in rise to stick up, improved the fixed effect of installation of mainboard 1, be favorable to mobile terminal's the line of producing to go on smoothly.

The mobile terminal in this embodiment may be, for example, a mobile phone, or may also be other terminal devices such as a tablet that need to perform pre-positioning on the main board 1.

In some embodiments, the elastic limiting structure 3 includes at least two limiting claws 31, the at least two limiting claws 31 are arranged at intervals along the circumference of one end of the pre-positioning column 2, which is far away from the housing, and the at least two limiting claws 31 enclose a cavity 33.

Through setting up two at least spacing claws 31 to enclose between two at least spacing claws 31 and close formation cavity 33, with under mainboard 1's extrusion, make two at least spacing claws 31 towards the direction that is close to each other, promptly, the orientation is close to the direction shrink of cavity 33, and the mainboard 1 of being convenient for is established smoothly on reference column 2 in advance. Wherein the formation of the cavity 33 provides a deformation gap for the spacing pawl 31.

Meanwhile, when the extrusion force of the main board 1 disappears, the limiting claws 31 can be restored to a natural state, namely, are expanded outwards towards the direction away from each other, so as to limit the main board 1. Set up like this, elasticity limit structure 3's simple structure, and convenient operation.

In other embodiments, the elastic limiting structure 3 may also be an elastic hook, so that when the motherboard 1 extrudes the elastic hook, the elastic hook contracts inward to sleeve the motherboard 1 on the pre-positioning post 2, and when the extrusion force disappears, the elastic hook expands outward to pre-fix and position the motherboard 1 on the pre-positioning post 2.

Referring to fig. 1, one end of the restricting claw 31 away from the housing further includes a guide portion 311, and the guide portion 311 guides the motherboard 1. Set up like this, it provides convenience to the installation matching of mainboard 1 and prepositioning post 2, be convenient for make mainboard 1 remove along guide part 311 gradually to can improve mainboard 1's prepositioning efficiency to a certain extent.

Specifically, the outer wall of the limiting claw 31 has a guiding inclined surface 312, and the guiding inclined surface 312 extends obliquely outward along the moving direction of the main board 1 sleeved on the pre-positioning post 2. Wherein the guide slope 312 is formed as a guide portion 311.

The moving direction of the main board 1 sleeved on the pre-positioning column 2 specifically refers to a direction close to the housing, that is, a direction in which a one-way arrow shown in fig. 1 is vertically downward. So, when prepositioning mainboard 1 on this mainboard prepositioning structure, make prepositioning hole 11 remove along the direction that direction inclined plane 312 orientation is close to the casing, good guide effect has been played to the removal of prepositioning hole 11 to direction inclined plane 312, and the simple structure of direction inclined plane 312, convenient setting and shaping.

Of course, the guide portion 311 may be configured to guide the predetermined position of the motherboard 1, such as a guide round.

In some embodiments, four limiting claws 31 are provided, and the four limiting claws 31 are arranged opposite to each other two by two.

Through setting up spacing claw 31 into four, can increase elasticity limit structure 3 elasticity deformation volume that takes place under the extrusion force effect to a certain extent to further improved and established the convenience on reference column 2 in advance with mainboard 1 cover, improved mainboard 1's prepositioning efficiency.

Simultaneously, through making two liang of relative settings of four spacing claws 31 to when carrying out the prepositioning of mainboard 1, make the extrusion force that each spacing claw 31 received more even, thereby further improved mainboard 1's prepositioning efficiency, and carried out good protection to each spacing claw 31's structure.

In some embodiments, the elastic limiting structure 3 further includes a limiting protrusion 32 disposed at one end of the limiting claw 31 close to the housing, and the limiting protrusion 32 is used for preventing the main board 1 from being detached.

Specifically, the main board 1 applies a pressing force to the elastic limiting structure 3 mainly to the limiting convex portion 32, and the limiting claw 31 forms the cavity 33 therebetween, so that the limiting convex portion 32 can contract inward toward a square close to the cavity 33 under the pressing force, thereby facilitating the pre-positioning hole 11 to pass through the limiting convex portion 32, and smoothly sleeving the main board 1 on the pre-positioning column 2. When the extrusion force disappears, the limiting convex part 32 expands outwards, and at the moment, the limiting convex part 32 can limit and fix the mainboard 1 sleeved on the pre-positioning column 2.

Of course, the convex position-limiting part 32 may be an elastic convex part, so that the convex position-limiting part 32 can be more easily contracted or expanded inward or outward under the change of the pressing force.

The limit protrusion 32 is formed by bending and protruding a part of the limit claw 31 outward. That is, the convex stopper portion 32 is formed by the stopper claw 31 itself, so that the integrity of the stopper claw 31 and the convex stopper portion 32 is good, and the connection strength is high.

Of course, the limit projection 32 may be a limit projection ring separately provided on the outer wall of the limit pawl 31.

Referring to fig. 1, the top of the outer side wall of the convex stopper 32 is formed with a first slope 321, and the first slope 321 extends downward in a direction away from the cavity 33. Meanwhile, the bottom of the outer side wall of the convex stopper 32 is formed with a second slope 322, and the second slope 322 extends downward toward the cavity 33.

That is to say, the outer side wall of the limiting convex part 32 is integrally formed into a bracket-like shape, so that when the pre-positioning hole 11 passes through the limiting convex part 32, the first inclined surface 321 and the second inclined surface 322 play a good guiding role for the pre-positioning hole 11 and the main board 1, the convenience of pre-positioning the main board 1 on the pre-positioning column 2 is further improved, the main board 1 can more easily apply extrusion force to the limiting convex part 32, and the pre-positioning hole 11 can conveniently and smoothly pass through the limiting convex part 32. By the arrangement, the structure is simple, the operation is convenient, and the guiding function of the main board 1 is good.

In specific implementation, the pre-positioning column 2 is a hollow column. Set up like this for the hollow part of reference column 2 can provide convenience for elasticity limit structure 3's deformation in advance. Especially when elasticity limit structure 3 is two at least spacing claws 31, when each spacing claw 31 receives the extrusion force of mainboard 1, hollow prepositioning post 2 can take place to deform for the one end that is close to prepositioning post 2 of spacing claw 31 and provides the deformation clearance, and the further prepositioning hole 11 of being convenient for passes through elasticity limit structure 3 to with mainboard 1 prepositioning on prepositioning post 2.

Example two

The embodiment provides a mobile terminal, which comprises a shell and a main board prepositioning structure arranged on the shell.

The specific structure and implementation principle of the main board pre-positioning structure in this embodiment are the same as those of the main board pre-positioning structure provided in the first embodiment, and the same or similar technical effects can be brought.

It is noted that, in this document, relational terms such as "first" and "second," and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.

The foregoing are merely exemplary embodiments of the present disclosure, which enable those skilled in the art to understand or practice the present disclosure. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the disclosure. Thus, the present disclosure is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. A mainboard pre-positioning structure is characterized in that a pre-positioning hole (11) is formed in a mainboard (1), the mainboard pre-positioning structure comprises a pre-positioning column (2) arranged on a shell of a mobile terminal, and the pre-positioning column (2) can penetrate out of the pre-positioning hole (11);

keep away from of reference column (2) in advance the one end of casing has elasticity limit structure (3), elasticity limit structure (3) can be in the extrusion force effect of mainboard (1) is down to the internal contraction, so that mainboard (1) by keep away from of reference column (2) in advance a pot head of casing is established on reference column (2) in advance, or is in the extrusion force of mainboard (1) outwards expands when disappearing, in order to prevent mainboard (1) follow break away from on reference column (2) in advance.

2. The main board pre-positioning structure according to claim 1, wherein the elastic limiting structure (3) comprises at least two limiting claws (31), the at least two limiting claws (31) are arranged at intervals along the circumferential direction of one end, away from the housing, of the pre-positioning column (2), and the at least two limiting claws (31) enclose a cavity (33).

3. The main board prepositioning structure according to claim 2, wherein an end of the holding claw (31) remote from the housing has a guide portion (311) for guiding the main board (1).

4. The main board pre-positioning structure according to claim 3, wherein the outer wall of the position-limiting claw (31) has a guide slope (312), the guide slope (312) extends obliquely outward in the moving direction of the pre-positioning column (2) sleeved on the main board (1), and the guide slope (312) is formed as the guide portion (311).

5. The main board prepositioning structure according to claim 2, wherein the number of the position-limiting claws (31) is four, and the four position-limiting claws (31) are arranged opposite to each other two by two.

6. The main board prepositioning structure according to any one of claims 2 to 5, wherein the elastic stopper structure (3) includes a stopper protrusion (32) provided at an end of the stopper claw (31) close to the housing, the stopper protrusion (32) being for preventing the main board (1) from being detached.

7. The main plate prepositioning structure according to claim 6, wherein the position-restricting convex portion (32) is formed by bending and protruding a part of the position-restricting claw (31) outward.

8. The primary plate prepositioning structure according to claim 6, wherein the top of the outer side wall of the position-restricting protrusion (32) is formed with a first slope (321), and the first slope (321) extends obliquely downward in a direction away from the cavity (33);

the bottom of the outer side wall of the limiting convex part (32) is provided with a second inclined surface (322), and the second inclined surface (322) extends downwards towards the direction close to the cavity (33).

9. Main board prepositioning structure according to any of claims 1 to 5, wherein the prepositioning columns (2) are hollow columns.

10. A mobile terminal comprising a housing and a motherboard pre-positioning structure as recited in any of claims 1 to 9 disposed on the housing.

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